X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=po-docs%2Fja.po;h=f1f9c3c674c073ed95b8cb80bf2b3a4972633f53;hp=47bad7deb202f280ed56aa62fc5d50d1555e7290;hb=ccea24323b1646badf463aaf0ce9fa46adb890fd;hpb=204d54609b4b3e4ca637f0ce2fe98c33ce9d008b diff --git a/po-docs/ja.po b/po-docs/ja.po index 47bad7d..f1f9c3c 100644 --- a/po-docs/ja.po +++ b/po-docs/ja.po @@ -7,7 +7,7 @@ msgid "" msgstr "" "Project-Id-Version: PACKAGE VERSION\n" "Report-Msgid-Bugs-To: libguestfs@redhat.com\n" -"POT-Creation-Date: 2010-10-22 23:11+0200\n" +"POT-Creation-Date: 2010-11-19 22:30+0000\n" "PO-Revision-Date: 2010-09-02 14:46+0100\n" "Last-Translator: FULL NAME \n" "Language-Team: LANGUAGE \n" @@ -19,22 +19,22 @@ msgstr "" # type: =encoding #: ../src/guestfs.pod:1 ../fish/guestfish.pod:1 #: ../test-tool/libguestfs-test-tool.pod:1 ../fuse/guestmount.pod:1 -#: ../inspector/virt-inspector.pl:36 ../tools/virt-edit.pl:31 -#: ../tools/virt-win-reg.pl:34 ../tools/virt-df.pl:32 ../tools/virt-ls.pl:31 -#: ../tools/virt-resize.pl:38 ../tools/virt-list-filesystems.pl:28 -#: ../tools/virt-cat.pl:30 ../tools/virt-tar.pl:30 ../tools/virt-rescue.pl:29 -#: ../tools/virt-make-fs.pl:33 ../tools/virt-list-partitions.pl:28 +#: ../tools/virt-edit.pl:30 ../tools/virt-win-reg.pl:33 ../tools/virt-df.pl:32 +#: ../tools/virt-ls.pl:30 ../tools/virt-resize.pl:38 +#: ../tools/virt-list-filesystems.pl:28 ../tools/virt-tar.pl:29 +#: ../tools/virt-rescue.pl:29 ../tools/virt-make-fs.pl:33 +#: ../tools/virt-list-partitions.pl:28 msgid "utf8" msgstr "" # type: =head1 #: ../src/guestfs.pod:3 ../fish/guestfish.pod:3 #: ../test-tool/libguestfs-test-tool.pod:3 ../fuse/guestmount.pod:3 -#: ../inspector/virt-inspector.pl:38 ../tools/virt-edit.pl:33 -#: ../tools/virt-win-reg.pl:36 ../tools/virt-df.pl:34 ../tools/virt-ls.pl:33 -#: ../tools/virt-resize.pl:40 ../tools/virt-list-filesystems.pl:30 -#: ../tools/virt-cat.pl:32 ../tools/virt-tar.pl:32 ../tools/virt-rescue.pl:31 -#: ../tools/virt-make-fs.pl:35 ../tools/virt-list-partitions.pl:30 +#: ../tools/virt-edit.pl:32 ../tools/virt-win-reg.pl:35 ../tools/virt-df.pl:34 +#: ../tools/virt-ls.pl:32 ../tools/virt-resize.pl:40 +#: ../tools/virt-list-filesystems.pl:30 ../tools/virt-tar.pl:31 +#: ../tools/virt-rescue.pl:31 ../tools/virt-make-fs.pl:35 +#: ../tools/virt-list-partitions.pl:30 msgid "NAME" msgstr "名前" @@ -46,11 +46,11 @@ msgstr "" # type: =head1 #: ../src/guestfs.pod:7 ../fish/guestfish.pod:7 #: ../test-tool/libguestfs-test-tool.pod:7 ../fuse/guestmount.pod:7 -#: ../inspector/virt-inspector.pl:42 ../tools/virt-edit.pl:37 -#: ../tools/virt-win-reg.pl:40 ../tools/virt-df.pl:38 ../tools/virt-ls.pl:37 -#: ../tools/virt-resize.pl:44 ../tools/virt-list-filesystems.pl:34 -#: ../tools/virt-cat.pl:36 ../tools/virt-tar.pl:36 ../tools/virt-rescue.pl:35 -#: ../tools/virt-make-fs.pl:39 ../tools/virt-list-partitions.pl:34 +#: ../tools/virt-edit.pl:36 ../tools/virt-win-reg.pl:39 ../tools/virt-df.pl:38 +#: ../tools/virt-ls.pl:36 ../tools/virt-resize.pl:44 +#: ../tools/virt-list-filesystems.pl:34 ../tools/virt-tar.pl:35 +#: ../tools/virt-rescue.pl:35 ../tools/virt-make-fs.pl:39 +#: ../tools/virt-list-partitions.pl:34 msgid "SYNOPSIS" msgstr "" @@ -89,12 +89,12 @@ msgstr "" # type: =head1 #: ../src/guestfs.pod:24 ../fish/guestfish.pod:30 -#: ../test-tool/libguestfs-test-tool.pod:11 ../fuse/guestmount.pod:16 -#: ../inspector/virt-inspector.pl:48 ../tools/virt-edit.pl:51 -#: ../tools/virt-win-reg.pl:64 ../tools/virt-df.pl:46 ../tools/virt-ls.pl:43 -#: ../tools/virt-resize.pl:50 ../tools/virt-list-filesystems.pl:40 -#: ../tools/virt-cat.pl:42 ../tools/virt-tar.pl:73 ../tools/virt-rescue.pl:51 -#: ../tools/virt-make-fs.pl:47 ../tools/virt-list-partitions.pl:40 +#: ../test-tool/libguestfs-test-tool.pod:11 ../fuse/guestmount.pod:20 +#: ../tools/virt-edit.pl:50 ../tools/virt-win-reg.pl:63 ../tools/virt-df.pl:46 +#: ../tools/virt-ls.pl:42 ../tools/virt-resize.pl:50 +#: ../tools/virt-list-filesystems.pl:40 ../tools/virt-tar.pl:72 +#: ../tools/virt-rescue.pl:51 ../tools/virt-make-fs.pl:47 +#: ../tools/virt-list-partitions.pl:40 msgid "DESCRIPTION" msgstr "" @@ -778,40 +778,42 @@ msgstr "" # type: =item #: ../src/guestfs.pod:360 ../src/guestfs.pod:365 ../src/guestfs.pod:370 #: ../src/guestfs.pod:374 ../src/guestfs.pod:379 ../src/guestfs.pod:383 -#: ../src/guestfs.pod:388 ../src/guestfs.pod:1140 ../src/guestfs.pod:1145 -#: ../src/guestfs.pod:1149 ../src/guestfs.pod:1365 ../src/guestfs.pod:1370 -#: ../src/guestfs.pod:1374 ../src/guestfs.pod:1476 ../src/guestfs.pod:1480 -#: ../src/guestfs.pod:1484 ../src/guestfs.pod:1489 ../src/guestfs.pod:1497 -#: ../src/guestfs.pod:1516 ../src/guestfs.pod:1524 ../src/guestfs.pod:1754 -#: ../src/guestfs.pod:1760 ../src/guestfs.pod:1765 ../src/guestfs.pod:1771 -#: ../src/guestfs.pod:1878 ../src/guestfs.pod:1882 ../src/guestfs.pod:1886 -#: ../src/guestfs.pod:1890 ../src/guestfs-actions.pod:14 -#: ../src/guestfs-actions.pod:21 ../src/guestfs-actions.pod:438 -#: ../src/guestfs-actions.pod:446 ../src/guestfs-actions.pod:453 -#: ../src/guestfs-actions.pod:460 ../src/guestfs-actions.pod:1351 -#: ../src/guestfs-actions.pod:1355 ../src/guestfs-actions.pod:1359 -#: ../src/guestfs-actions.pod:1363 ../src/guestfs-actions.pod:1371 -#: ../src/guestfs-actions.pod:1375 ../src/guestfs-actions.pod:1379 -#: ../src/guestfs-actions.pod:1389 ../src/guestfs-actions.pod:1393 -#: ../src/guestfs-actions.pod:1397 ../src/guestfs-actions.pod:1520 -#: ../src/guestfs-actions.pod:1524 ../src/guestfs-actions.pod:1529 -#: ../src/guestfs-actions.pod:1534 ../src/guestfs-actions.pod:1586 -#: ../src/guestfs-actions.pod:1590 ../src/guestfs-actions.pod:1595 -#: ../fish/guestfish.pod:364 ../fish/guestfish.pod:368 -#: ../fish/guestfish.pod:372 ../fish/guestfish.pod:376 -#: ../fish/guestfish-actions.pod:13 ../fish/guestfish-actions.pod:20 -#: ../fish/guestfish-actions.pod:339 ../fish/guestfish-actions.pod:347 -#: ../fish/guestfish-actions.pod:354 ../fish/guestfish-actions.pod:361 -#: ../fish/guestfish-actions.pod:1056 ../fish/guestfish-actions.pod:1060 -#: ../fish/guestfish-actions.pod:1064 ../fish/guestfish-actions.pod:1068 -#: ../fish/guestfish-actions.pod:1076 ../fish/guestfish-actions.pod:1080 -#: ../fish/guestfish-actions.pod:1084 ../fish/guestfish-actions.pod:1094 -#: ../fish/guestfish-actions.pod:1098 ../fish/guestfish-actions.pod:1102 -#: ../fish/guestfish-actions.pod:1192 ../fish/guestfish-actions.pod:1196 -#: ../fish/guestfish-actions.pod:1201 ../fish/guestfish-actions.pod:1206 -#: ../fish/guestfish-actions.pod:1248 ../fish/guestfish-actions.pod:1252 -#: ../fish/guestfish-actions.pod:1257 ../tools/virt-df.pl:161 -#: ../tools/virt-df.pl:167 ../tools/virt-resize.pl:348 +#: ../src/guestfs.pod:388 ../src/guestfs.pod:393 ../src/guestfs.pod:957 +#: ../src/guestfs.pod:961 ../src/guestfs.pod:965 ../src/guestfs.pod:970 +#: ../src/guestfs.pod:978 ../src/guestfs.pod:997 ../src/guestfs.pod:1005 +#: ../src/guestfs.pod:1027 ../src/guestfs.pod:1031 ../src/guestfs.pod:1035 +#: ../src/guestfs.pod:1039 ../src/guestfs.pod:1043 ../src/guestfs.pod:1047 +#: ../src/guestfs.pod:1529 ../src/guestfs.pod:1534 ../src/guestfs.pod:1538 +#: ../src/guestfs.pod:1648 ../src/guestfs.pod:1653 ../src/guestfs.pod:1657 +#: ../src/guestfs.pod:2001 ../src/guestfs.pod:2007 ../src/guestfs.pod:2012 +#: ../src/guestfs.pod:2018 ../src/guestfs.pod:2125 ../src/guestfs.pod:2129 +#: ../src/guestfs.pod:2133 ../src/guestfs.pod:2137 +#: ../src/guestfs-actions.pod:15 ../src/guestfs-actions.pod:22 +#: ../src/guestfs-actions.pod:569 ../src/guestfs-actions.pod:577 +#: ../src/guestfs-actions.pod:584 ../src/guestfs-actions.pod:591 +#: ../src/guestfs-actions.pod:1587 ../src/guestfs-actions.pod:1591 +#: ../src/guestfs-actions.pod:1595 ../src/guestfs-actions.pod:1599 +#: ../src/guestfs-actions.pod:1607 ../src/guestfs-actions.pod:1611 +#: ../src/guestfs-actions.pod:1615 ../src/guestfs-actions.pod:1625 +#: ../src/guestfs-actions.pod:1629 ../src/guestfs-actions.pod:1633 +#: ../src/guestfs-actions.pod:1771 ../src/guestfs-actions.pod:1775 +#: ../src/guestfs-actions.pod:1780 ../src/guestfs-actions.pod:1785 +#: ../src/guestfs-actions.pod:1846 ../src/guestfs-actions.pod:1850 +#: ../src/guestfs-actions.pod:1855 ../fish/guestfish.pod:376 +#: ../fish/guestfish.pod:380 ../fish/guestfish.pod:384 +#: ../fish/guestfish.pod:388 ../fish/guestfish-actions.pod:13 +#: ../fish/guestfish-actions.pod:20 ../fish/guestfish-actions.pod:375 +#: ../fish/guestfish-actions.pod:383 ../fish/guestfish-actions.pod:390 +#: ../fish/guestfish-actions.pod:397 ../fish/guestfish-actions.pod:1067 +#: ../fish/guestfish-actions.pod:1071 ../fish/guestfish-actions.pod:1075 +#: ../fish/guestfish-actions.pod:1079 ../fish/guestfish-actions.pod:1087 +#: ../fish/guestfish-actions.pod:1091 ../fish/guestfish-actions.pod:1095 +#: ../fish/guestfish-actions.pod:1105 ../fish/guestfish-actions.pod:1109 +#: ../fish/guestfish-actions.pod:1113 ../fish/guestfish-actions.pod:1203 +#: ../fish/guestfish-actions.pod:1207 ../fish/guestfish-actions.pod:1212 +#: ../fish/guestfish-actions.pod:1217 ../fish/guestfish-actions.pod:1259 +#: ../fish/guestfish-actions.pod:1263 ../fish/guestfish-actions.pod:1268 +#: ../tools/virt-df.pl:161 ../tools/virt-df.pl:167 ../tools/virt-resize.pl:348 #: ../tools/virt-resize.pl:353 ../tools/virt-resize.pl:363 msgid "*" msgstr "" @@ -863,24 +865,46 @@ msgstr "" # type: textblock #: ../src/guestfs.pod:395 msgid "" +"I It is not safe to run commands from untrusted, possibly " +"malicious guests. These commands may attempt to exploit your program by " +"sending unexpected output. They could also try to exploit the Linux kernel " +"or qemu provided by the libguestfs appliance. They could use the network " +"provided by the libguestfs appliance to bypass ordinary network partitions " +"and firewalls. They could use the elevated privileges or different SELinux " +"context of your program to their advantage." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:404 +msgid "" +"A secure alternative is to use libguestfs to install a \"firstboot\" script " +"(a script which runs when the guest next boots normally), and to have this " +"script run the commands you want in the normal context of the running guest, " +"network security and so on. For information about other security issues, " +"see L." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:412 +msgid "" "The two main API calls to run commands are L and L (there are also variations)." msgstr "" # type: textblock -#: ../src/guestfs.pod:398 +#: ../src/guestfs.pod:415 msgid "" "The difference is that L runs commands using the shell, so any " "shell globs, redirections, etc will work." msgstr "" # type: =head2 -#: ../src/guestfs.pod:401 +#: ../src/guestfs.pod:418 msgid "CONFIGURATION FILES" msgstr "" # type: textblock -#: ../src/guestfs.pod:403 +#: ../src/guestfs.pod:420 msgid "" "To read and write configuration files in Linux guest filesystems, we " "strongly recommend using Augeas. For example, Augeas understands how to " @@ -889,7 +913,7 @@ msgid "" msgstr "" # type: textblock -#: ../src/guestfs.pod:408 +#: ../src/guestfs.pod:425 msgid "" "The main Augeas calls are bound through the C APIs. We don't " "document Augeas itself here because there is excellent documentation on the " @@ -897,7 +921,7 @@ msgid "" msgstr "" # type: textblock -#: ../src/guestfs.pod:412 +#: ../src/guestfs.pod:429 msgid "" "If you don't want to use Augeas (you fool!) then try calling L to get the file as a list of lines which you can iterate " @@ -905,29 +929,29 @@ msgid "" msgstr "" # type: =head2 -#: ../src/guestfs.pod:416 +#: ../src/guestfs.pod:433 msgid "SELINUX" msgstr "" # type: textblock -#: ../src/guestfs.pod:418 +#: ../src/guestfs.pod:435 msgid "" "We support SELinux guests. To ensure that labeling happens correctly in " "SELinux guests, you need to enable SELinux and load the guest's policy:" msgstr "" # type: =item -#: ../src/guestfs.pod:424 +#: ../src/guestfs.pod:441 ../src/guestfs.pod:1150 ../src/guestfs.pod:1281 msgid "1." msgstr "" # type: textblock -#: ../src/guestfs.pod:426 +#: ../src/guestfs.pod:443 msgid "Before launching, do:" msgstr "" # type: verbatim -#: ../src/guestfs.pod:428 +#: ../src/guestfs.pod:445 #, no-wrap msgid "" " guestfs_set_selinux (g, 1);\n" @@ -935,19 +959,19 @@ msgid "" msgstr "" # type: =item -#: ../src/guestfs.pod:430 +#: ../src/guestfs.pod:447 ../src/guestfs.pod:1154 ../src/guestfs.pod:1285 msgid "2." msgstr "" # type: textblock -#: ../src/guestfs.pod:432 +#: ../src/guestfs.pod:449 msgid "" "After mounting the guest's filesystem(s), load the policy. This is best " "done by running the L command in the guest itself:" msgstr "" # type: verbatim -#: ../src/guestfs.pod:436 +#: ../src/guestfs.pod:453 #, no-wrap msgid "" " guestfs_sh (g, \"/usr/sbin/load_policy\");\n" @@ -955,26 +979,26 @@ msgid "" msgstr "" # type: textblock -#: ../src/guestfs.pod:438 +#: ../src/guestfs.pod:455 msgid "" "(Older versions of C require you to specify the name of the " "policy file)." msgstr "" # type: =item -#: ../src/guestfs.pod:441 +#: ../src/guestfs.pod:458 ../src/guestfs.pod:1291 msgid "3." msgstr "" # type: textblock -#: ../src/guestfs.pod:443 +#: ../src/guestfs.pod:460 msgid "" "Optionally, set the security context for the API. The correct security " "context to use can only be known by inspecting the guest. As an example:" msgstr "" # type: verbatim -#: ../src/guestfs.pod:447 +#: ../src/guestfs.pod:464 #, no-wrap msgid "" " guestfs_setcon (g, \"unconfined_u:unconfined_r:unconfined_t:s0\");\n" @@ -982,24 +1006,24 @@ msgid "" msgstr "" # type: textblock -#: ../src/guestfs.pod:451 +#: ../src/guestfs.pod:468 msgid "This will work for running commands and editing existing files." msgstr "" # type: textblock -#: ../src/guestfs.pod:453 +#: ../src/guestfs.pod:470 msgid "" "When new files are created, you may need to label them explicitly, for " "example by running the external command C." msgstr "" # type: =head2 -#: ../src/guestfs.pod:457 +#: ../src/guestfs.pod:474 msgid "UMASK" msgstr "" # type: textblock -#: ../src/guestfs.pod:459 +#: ../src/guestfs.pod:476 msgid "" "Certain calls are affected by the current file mode creation mask (the " "\"umask\"). In particular ones which create files or directories, such as " @@ -1009,14 +1033,14 @@ msgid "" msgstr "" # type: textblock -#: ../src/guestfs.pod:465 +#: ../src/guestfs.pod:482 msgid "" "The default umask is C<022>, so files are created with modes such as C<0644> " "and directories with C<0755>." msgstr "" # type: textblock -#: ../src/guestfs.pod:468 +#: ../src/guestfs.pod:485 msgid "" "There are two ways to avoid being affected by umask. Either set umask to 0 " "(call C early after launching). Or call L." msgstr "" # type: =head1 -#: ../src/guestfs.pod:474 ../fish/guestfish.pod:630 +#: ../src/guestfs.pod:491 ../fish/guestfish.pod:669 msgid "ENCRYPTED DISKS" msgstr "" # type: textblock -#: ../src/guestfs.pod:476 +#: ../src/guestfs.pod:493 msgid "" "Libguestfs allows you to access Linux guests which have been encrypted using " "whole disk encryption that conforms to the Linux Unified Key Setup (LUKS) " @@ -1043,21 +1067,21 @@ msgid "" msgstr "" # type: textblock -#: ../src/guestfs.pod:482 +#: ../src/guestfs.pod:499 msgid "" "Use L to identify LUKS-encrypted block devices (it " "returns the string C)." msgstr "" # type: textblock -#: ../src/guestfs.pod:485 +#: ../src/guestfs.pod:502 msgid "" "Then open these devices by calling L. Obviously you " "will require the passphrase!" msgstr "" # type: textblock -#: ../src/guestfs.pod:488 +#: ../src/guestfs.pod:505 msgid "" "Opening a LUKS device creates a new device mapper device called C (where C is the string you supply to L followed by L. The logical volume" @@ -1074,7 +1098,7 @@ msgid "" msgstr "" # type: textblock -#: ../src/guestfs.pod:498 +#: ../src/guestfs.pod:515 msgid "" "Use the reverse process to close a LUKS device. Unmount any logical volumes " "on it, deactivate the volume groups by caling C in the usual way." msgstr "" # type: textblock -#: ../src/guestfs.pod:516 +#: ../src/guestfs.pod:533 msgid "" "Then call L. This function uses other libguestfs calls " "and certain heuristics, and returns a list of operating systems that were " @@ -1119,7 +1143,7 @@ msgid "" msgstr "" # type: textblock -#: ../src/guestfs.pod:525 +#: ../src/guestfs.pod:542 msgid "" "For each root, you can then call various C functions " "to get additional details about that operating system. For example, call L /dev/sda1\n" @@ -1149,21 +1173,21 @@ msgid "" msgstr "" # type: textblock -#: ../src/guestfs.pod:542 +#: ../src/guestfs.pod:559 msgid "" "The caller can then make calls to L to mount the " "filesystems as suggested." msgstr "" # type: textblock -#: ../src/guestfs.pod:545 +#: ../src/guestfs.pod:562 msgid "" "Be careful to mount filesystems in the right order (eg. C before C). Sorting the keys of the hash by length, shortest first, should work." msgstr "" # type: textblock -#: ../src/guestfs.pod:549 +#: ../src/guestfs.pod:566 msgid "" "Inspection currently only works for some common operating systems. " "Contributors are welcome to send patches for other operating systems that we " @@ -1171,7 +1195,7 @@ msgid "" msgstr "" # type: textblock -#: ../src/guestfs.pod:553 +#: ../src/guestfs.pod:570 msgid "" "Encrypted disks must be opened before inspection. See L " "for more details. The L function just ignores any " @@ -1179,29 +1203,32 @@ msgid "" msgstr "" # type: textblock -#: ../src/guestfs.pod:557 +#: ../src/guestfs.pod:574 msgid "" "A note on the implementation: The call L performs " "inspection and caches the results in the guest handle. Subsequent calls to " "C return this cached information, but I re-" "read the disks. If you change the content of the guest disks, you can redo " -"inspection by calling L again." +"inspection by calling L again. (L works a little differently from the other " +"calls and does read the disks. See documentation for that function for " +"details)." msgstr "" # type: =head2 -#: ../src/guestfs.pod:564 +#: ../src/guestfs.pod:583 msgid "SPECIAL CONSIDERATIONS FOR WINDOWS GUESTS" msgstr "" # type: textblock -#: ../src/guestfs.pod:566 +#: ../src/guestfs.pod:585 msgid "" "Libguestfs can mount NTFS partitions. It does this using the L driver." msgstr "" # type: textblock -#: ../src/guestfs.pod:569 +#: ../src/guestfs.pod:588 msgid "" "DOS and Windows still use drive letters, and the filesystems are always " "treated as case insensitive by Windows itself, and therefore you might find " @@ -1211,7 +1238,7 @@ msgid "" msgstr "" # type: textblock -#: ../src/guestfs.pod:575 +#: ../src/guestfs.pod:594 msgid "" "Drive letter mappings are outside the scope of libguestfs. You have to use " "libguestfs to read the appropriate Windows Registry and configuration files, " @@ -1220,21 +1247,21 @@ msgid "" msgstr "" # type: textblock -#: ../src/guestfs.pod:580 +#: ../src/guestfs.pod:599 msgid "" "Replacing backslash characters with forward slash characters is also outside " "the scope of libguestfs, but something that you can easily do." msgstr "" # type: textblock -#: ../src/guestfs.pod:583 +#: ../src/guestfs.pod:602 msgid "" "Where we can help is in resolving the case insensitivity of paths. For " "this, call L." msgstr "" # type: textblock -#: ../src/guestfs.pod:586 +#: ../src/guestfs.pod:605 msgid "" "Libguestfs also provides some help for decoding Windows Registry \"hive\" " "files, through the library C which is part of the libguestfs project " @@ -1245,19 +1272,19 @@ msgid "" msgstr "" # type: =head2 -#: ../src/guestfs.pod:594 +#: ../src/guestfs.pod:613 msgid "USING LIBGUESTFS WITH OTHER PROGRAMMING LANGUAGES" msgstr "" # type: textblock -#: ../src/guestfs.pod:596 +#: ../src/guestfs.pod:615 msgid "" "Although we don't want to discourage you from using the C API, we will " "mention here that the same API is also available in other languages." msgstr "" # type: textblock -#: ../src/guestfs.pod:599 +#: ../src/guestfs.pod:618 msgid "" "The API is broadly identical in all supported languages. This means that " "the C call C is C<$g-Emount($path)> in Perl, C" msgstr "" # type: textblock -#: ../src/guestfs.pod:616 +#: ../src/guestfs.pod:635 msgid "" "You can use the I header file from C++ programs. The C++ API is " "identical to the C API. C++ classes and exceptions are not used." msgstr "" # type: =item -#: ../src/guestfs.pod:620 +#: ../src/guestfs.pod:639 msgid "B" msgstr "" # type: textblock -#: ../src/guestfs.pod:622 +#: ../src/guestfs.pod:641 msgid "" "The C# bindings are highly experimental. Please read the warnings at the " "top of C." msgstr "" # type: =item -#: ../src/guestfs.pod:625 +#: ../src/guestfs.pod:644 msgid "B" msgstr "" # type: textblock -#: ../src/guestfs.pod:627 +#: ../src/guestfs.pod:646 msgid "" "This is the only language binding that is working but incomplete. Only " "calls which return simple integers have been bound in Haskell, and we are " @@ -1318,66 +1345,66 @@ msgid "" msgstr "" # type: =item -#: ../src/guestfs.pod:631 +#: ../src/guestfs.pod:650 msgid "B" msgstr "" # type: textblock -#: ../src/guestfs.pod:633 +#: ../src/guestfs.pod:652 msgid "" "Full documentation is contained in the Javadoc which is distributed with " "libguestfs." msgstr "" # type: =item -#: ../src/guestfs.pod:636 +#: ../src/guestfs.pod:655 msgid "B" msgstr "" # type: textblock -#: ../src/guestfs.pod:638 +#: ../src/guestfs.pod:657 msgid "For documentation see the file C." msgstr "" # type: =item -#: ../src/guestfs.pod:640 +#: ../src/guestfs.pod:659 msgid "B" msgstr "" # type: textblock -#: ../src/guestfs.pod:642 +#: ../src/guestfs.pod:661 msgid "For documentation see L." msgstr "" # type: =item -#: ../src/guestfs.pod:644 +#: ../src/guestfs.pod:663 msgid "B" msgstr "" # type: textblock -#: ../src/guestfs.pod:646 +#: ../src/guestfs.pod:665 msgid "" "For documentation see C supplied with libguestfs sources or in " "the php-libguestfs package for your distribution." msgstr "" # type: textblock -#: ../src/guestfs.pod:649 +#: ../src/guestfs.pod:668 msgid "The PHP binding only works correctly on 64 bit machines." msgstr "" # type: =item -#: ../src/guestfs.pod:651 +#: ../src/guestfs.pod:670 msgid "B" msgstr "" # type: textblock -#: ../src/guestfs.pod:653 +#: ../src/guestfs.pod:672 msgid "For documentation do:" msgstr "" # type: verbatim -#: ../src/guestfs.pod:655 +#: ../src/guestfs.pod:674 #, no-wrap msgid "" " $ python\n" @@ -1387,34 +1414,34 @@ msgid "" msgstr "" # type: =item -#: ../src/guestfs.pod:659 +#: ../src/guestfs.pod:678 msgid "B" msgstr "" # type: textblock -#: ../src/guestfs.pod:661 +#: ../src/guestfs.pod:680 msgid "" "Use the Guestfs module. There is no Ruby-specific documentation, but you " "can find examples written in Ruby in the libguestfs source." msgstr "" # type: =item -#: ../src/guestfs.pod:664 +#: ../src/guestfs.pod:683 msgid "B" msgstr "" # type: textblock -#: ../src/guestfs.pod:666 +#: ../src/guestfs.pod:685 msgid "For documentation see L." msgstr "" # type: =head2 -#: ../src/guestfs.pod:670 +#: ../src/guestfs.pod:689 msgid "LIBGUESTFS GOTCHAS" msgstr "" # type: textblock -#: ../src/guestfs.pod:672 +#: ../src/guestfs.pod:691 msgid "" "L: \"A feature of a " "system [...] that works in the way it is documented but is counterintuitive " @@ -1422,7 +1449,7 @@ msgid "" msgstr "" # type: textblock -#: ../src/guestfs.pod:676 +#: ../src/guestfs.pod:695 msgid "" "Since we developed libguestfs and the associated tools, there are several " "things we would have designed differently, but are now stuck with for " @@ -1431,12 +1458,12 @@ msgid "" msgstr "" # type: =item -#: ../src/guestfs.pod:684 +#: ../src/guestfs.pod:703 msgid "Autosync / forgetting to sync." msgstr "" # type: textblock -#: ../src/guestfs.pod:686 +#: ../src/guestfs.pod:705 msgid "" "When modifying a filesystem from C or another language, you B unmount " "all filesystems and call L explicitly before you close the " @@ -1444,7 +1471,7 @@ msgid "" msgstr "" # type: verbatim -#: ../src/guestfs.pod:690 +#: ../src/guestfs.pod:709 #, no-wrap msgid "" " guestfs_set_autosync (g, 1);\n" @@ -1452,14 +1479,14 @@ msgid "" msgstr "" # type: textblock -#: ../src/guestfs.pod:692 +#: ../src/guestfs.pod:711 msgid "" "to have the unmount/sync done automatically for you when the handle 'g' is " "closed. (This feature is called \"autosync\", L q.v.)" msgstr "" # type: textblock -#: ../src/guestfs.pod:696 +#: ../src/guestfs.pod:715 msgid "" "If you forget to do this, then it is entirely possible that your changes " "won't be written out, or will be partially written, or (very rarely) that " @@ -1467,20 +1494,27 @@ msgid "" msgstr "" # type: textblock -#: ../src/guestfs.pod:700 +#: ../src/guestfs.pod:719 msgid "" "Note that in L autosync is the default. So quick and dirty " "guestfish scripts that forget to sync will work just fine, which can make " "this very puzzling if you are trying to debug a problem." msgstr "" +# type: textblock +#: ../src/guestfs.pod:723 +msgid "" +"Update: Autosync is enabled by default for all API users starting from " +"libguestfs 1.5.24." +msgstr "" + # type: =item -#: ../src/guestfs.pod:704 +#: ../src/guestfs.pod:726 msgid "Mount option C<-o sync> should not be the default." msgstr "" # type: textblock -#: ../src/guestfs.pod:706 +#: ../src/guestfs.pod:728 msgid "" "If you use L, then C<-o sync,noatime> are added implicitly. " "However C<-o sync> does not add any reliability benefit, but does have a " @@ -1488,31 +1522,31 @@ msgid "" msgstr "" # type: textblock -#: ../src/guestfs.pod:710 +#: ../src/guestfs.pod:732 msgid "" "The work around is to use L and set the mount " "options that you actually want to use." msgstr "" # type: =item -#: ../src/guestfs.pod:713 +#: ../src/guestfs.pod:735 msgid "Read-only should be the default." msgstr "" # type: textblock -#: ../src/guestfs.pod:715 +#: ../src/guestfs.pod:737 msgid "" "In L, I<--ro> should be the default, and you should have to " "specify I<--rw> if you want to make changes to the image." msgstr "" # type: textblock -#: ../src/guestfs.pod:718 +#: ../src/guestfs.pod:740 msgid "This would reduce the potential to corrupt live VM images." msgstr "" # type: textblock -#: ../src/guestfs.pod:720 +#: ../src/guestfs.pod:742 msgid "" "Note that many filesystems change the disk when you just mount and unmount, " "even if you didn't perform any writes. You need to use L doesn't do what people expect (open C for " "examination). It tries to run a guestfish command C which doesn't " @@ -1535,12 +1569,12 @@ msgid "" msgstr "" # type: =item -#: ../src/guestfs.pod:733 +#: ../src/guestfs.pod:755 msgid "guestfish megabyte modifiers don't work right on all commands" msgstr "" # type: textblock -#: ../src/guestfs.pod:735 +#: ../src/guestfs.pod:757 msgid "" "In recent guestfish you can use C<1M> to mean 1 megabyte (and similarly for " "other modifiers). What guestfish actually does is to multiply the number " @@ -1550,12 +1584,12 @@ msgid "" msgstr "" # type: textblock -#: ../src/guestfs.pod:742 +#: ../src/guestfs.pod:764 msgid "The most common is L. The guestfish command:" msgstr "" # type: verbatim -#: ../src/guestfs.pod:744 +#: ../src/guestfs.pod:766 #, no-wrap msgid "" " lvcreate LV VG 100M\n" @@ -1563,7 +1597,7 @@ msgid "" msgstr "" # type: textblock -#: ../src/guestfs.pod:746 +#: ../src/guestfs.pod:768 msgid "" "does not do what you might expect. Instead because L is " "already expecting megabytes, this tries to create a 100 I (100 " @@ -1572,40 +1606,19 @@ msgid "" msgstr "" # type: textblock -#: ../src/guestfs.pod:751 +#: ../src/guestfs.pod:773 msgid "" "This could be fixed in the generator by specially marking parameters and " "return values which take bytes or other units." msgstr "" # type: =item -#: ../src/guestfs.pod:754 -msgid "Library should return errno with error messages." -msgstr "" - -# type: textblock -#: ../src/guestfs.pod:756 -msgid "" -"It would be a nice-to-have to be able to get the original value of 'errno' " -"from inside the appliance along error paths (where set). Currently " -"L goes through hoops to try to reverse the error message " -"string into an errno, see the function error() in fuse/guestmount.c." -msgstr "" - -# type: textblock -#: ../src/guestfs.pod:762 -msgid "" -"In libguestfs 1.5.4, the protocol was changed so that the Linux errno is " -"sent back from the daemon." -msgstr "" - -# type: =item -#: ../src/guestfs.pod:765 +#: ../src/guestfs.pod:776 msgid "Ambiguity between devices and paths" msgstr "" # type: textblock -#: ../src/guestfs.pod:767 +#: ../src/guestfs.pod:778 msgid "" "There is a subtle ambiguity in the API between a device name (eg. C) and a similar pathname. A file might just happen to be called " @@ -1613,7 +1626,7 @@ msgid "" msgstr "" # type: textblock -#: ../src/guestfs.pod:772 +#: ../src/guestfs.pod:783 msgid "" "In the current API we usually resolve this ambiguity by having two separate " "calls, for example L and L. " @@ -1622,7 +1635,7 @@ msgid "" msgstr "" # type: textblock -#: ../src/guestfs.pod:778 +#: ../src/guestfs.pod:789 msgid "" "To avoid both the ambiguity and the need to duplicate some calls, we could " "make paths/devices into structured names. One way to do this would be to " @@ -1632,7 +1645,7 @@ msgid "" msgstr "" # type: verbatim -#: ../src/guestfs.pod:784 +#: ../src/guestfs.pod:795 #, no-wrap msgid "" " type path = Path of string | Device of int | Partition of int * int\n" @@ -1640,12 +1653,12 @@ msgid "" msgstr "" # type: textblock -#: ../src/guestfs.pod:786 +#: ../src/guestfs.pod:797 msgid "which would allow you to pass arguments like:" msgstr "" # type: verbatim -#: ../src/guestfs.pod:788 +#: ../src/guestfs.pod:799 #, no-wrap msgid "" " Path \"/foo/bar\"\n" @@ -1656,19 +1669,19 @@ msgid "" msgstr "" # type: textblock -#: ../src/guestfs.pod:793 +#: ../src/guestfs.pod:804 msgid "" "As you can see there are still problems to resolve even with this " "representation. Also consider how it might work in guestfish." msgstr "" # type: =head2 -#: ../src/guestfs.pod:798 +#: ../src/guestfs.pod:809 msgid "PROTOCOL LIMITS" msgstr "" # type: textblock -#: ../src/guestfs.pod:800 +#: ../src/guestfs.pod:811 msgid "" "Internally libguestfs uses a message-based protocol to pass API calls and " "their responses to and from a small \"appliance\" (see L for " @@ -1679,7 +1692,7 @@ msgid "" msgstr "" # type: textblock -#: ../src/guestfs.pod:808 +#: ../src/guestfs.pod:819 msgid "" "A simple call such as L returns its result (the file data) in " "a simple string. Because this string is at some point internally encoded as " @@ -1688,7 +1701,7 @@ msgid "" msgstr "" # type: textblock -#: ../src/guestfs.pod:814 +#: ../src/guestfs.pod:825 msgid "" "In order to transfer large files into and out of the guest filesystem, you " "need to use particular calls that support this. The sections L " @@ -1696,26 +1709,26 @@ msgid "" msgstr "" # type: textblock -#: ../src/guestfs.pod:818 +#: ../src/guestfs.pod:829 msgid "" "You might also consider mounting the disk image using our FUSE filesystem " "support (L)." msgstr "" # type: =head2 -#: ../src/guestfs.pod:821 +#: ../src/guestfs.pod:832 msgid "KEYS AND PASSPHRASES" msgstr "" # type: textblock -#: ../src/guestfs.pod:823 +#: ../src/guestfs.pod:834 msgid "" "Certain libguestfs calls take a parameter that contains sensitive key " "material, passed in as a C string." msgstr "" # type: textblock -#: ../src/guestfs.pod:826 +#: ../src/guestfs.pod:837 msgid "" "In the future we would hope to change the libguestfs implementation so that " "keys are L-ed into physical RAM, and thus can never end up in " @@ -1724,7 +1737,7 @@ msgid "" msgstr "" # type: textblock -#: ../src/guestfs.pod:831 +#: ../src/guestfs.pod:842 msgid "" "Therefore you should be aware that any key parameter you pass to libguestfs " "might end up being written out to the swap partition. If this is a concern, " @@ -1732,6437 +1745,7801 @@ msgid "" msgstr "" # type: =head1 -#: ../src/guestfs.pod:836 -msgid "CONNECTION MANAGEMENT" -msgstr "" - -# type: =head2 -#: ../src/guestfs.pod:838 -msgid "guestfs_h *" -msgstr "" - -# type: textblock -#: ../src/guestfs.pod:840 -msgid "" -"C is the opaque type representing a connection handle. Create a " -"handle by calling L. Call L to free the " -"handle and release all resources used." -msgstr "" - -# type: textblock -#: ../src/guestfs.pod:844 -msgid "" -"For information on using multiple handles and threads, see the section L below." -msgstr "" - -# type: =head2 #: ../src/guestfs.pod:847 -msgid "guestfs_create" +msgid "MULTIPLE HANDLES AND MULTIPLE THREADS" msgstr "" -# type: verbatim +# type: textblock #: ../src/guestfs.pod:849 -#, no-wrap msgid "" -" guestfs_h *guestfs_create (void);\n" -"\n" -msgstr "" - -# type: textblock -#: ../src/guestfs.pod:851 -msgid "Create a connection handle." +"All high-level libguestfs actions are synchronous. If you want to use " +"libguestfs asynchronously then you must create a thread." msgstr "" # type: textblock -#: ../src/guestfs.pod:853 +#: ../src/guestfs.pod:852 msgid "" -"You have to call L (or one of the equivalent calls) " -"on the handle at least once." +"Only use the handle from a single thread. Either use the handle exclusively " +"from one thread, or provide your own mutex so that two threads cannot issue " +"calls on the same handle at the same time." msgstr "" # type: textblock #: ../src/guestfs.pod:856 msgid "" -"This function returns a non-NULL pointer to a handle on success or NULL on " -"error." +"See the graphical program guestfs-browser for one possible architecture for " +"multithreaded programs using libvirt and libguestfs." msgstr "" -# type: textblock +# type: =head1 #: ../src/guestfs.pod:859 -msgid "After configuring the handle, you have to call L." +msgid "PATH" msgstr "" # type: textblock #: ../src/guestfs.pod:861 msgid "" -"You may also want to configure error handling for the handle. See L section below." +"Libguestfs needs a kernel and initrd.img, which it finds by looking along an " +"internal path." msgstr "" -# type: =head2 +# type: textblock #: ../src/guestfs.pod:864 -msgid "guestfs_close" -msgstr "" - -# type: verbatim -#: ../src/guestfs.pod:866 -#, no-wrap msgid "" -" void guestfs_close (guestfs_h *g);\n" -"\n" +"By default it looks for these in the directory C<$libdir/guestfs> (eg. C or C)." msgstr "" # type: textblock -#: ../src/guestfs.pod:868 -msgid "This closes the connection handle and frees up all resources used." +#: ../src/guestfs.pod:867 +msgid "" +"Use L or set the environment variable L " +"to change the directories that libguestfs will search in. The value is a " +"colon-separated list of paths. The current directory is I searched " +"unless the path contains an empty element or C<.>. For example " +"C would search the current directory and " +"then C." msgstr "" # type: =head1 -#: ../src/guestfs.pod:870 -msgid "ERROR HANDLING" +#: ../src/guestfs.pod:874 +msgid "QEMU WRAPPERS" msgstr "" # type: textblock -#: ../src/guestfs.pod:872 +#: ../src/guestfs.pod:876 msgid "" -"The convention in all functions that return C is that they return C<-1> " -"to indicate an error. You can get additional information on errors by " -"calling L and/or by setting up an error handler with L." +"If you want to compile your own qemu, run qemu from a non-standard location, " +"or pass extra arguments to qemu, then you can write a shell-script wrapper " +"around qemu." msgstr "" # type: textblock -#: ../src/guestfs.pod:877 -msgid "The default error handler prints the information string to C." +#: ../src/guestfs.pod:880 +msgid "" +"There is one important rule to remember: you I> as the " +"last command in the shell script (so that qemu replaces the shell and " +"becomes the direct child of the libguestfs-using program). If you don't do " +"this, then the qemu process won't be cleaned up correctly." msgstr "" # type: textblock -#: ../src/guestfs.pod:879 +#: ../src/guestfs.pod:885 msgid "" -"Out of memory errors are handled differently. The default action is to call " -"L. If this is undesirable, then you can set a handler using L." -msgstr "" - -# type: =head2 -#: ../src/guestfs.pod:883 -msgid "guestfs_last_error" +"Here is an example of a wrapper, where I have built my own copy of qemu from " +"source:" msgstr "" # type: verbatim -#: ../src/guestfs.pod:885 +#: ../src/guestfs.pod:888 #, no-wrap msgid "" -" const char *guestfs_last_error (guestfs_h *g);\n" +" #!/bin/sh -\n" +" qemudir=/home/rjones/d/qemu\n" +" exec $qemudir/x86_64-softmmu/qemu-system-x86_64 -L $qemudir/pc-bios \"$@\"\n" "\n" msgstr "" # type: textblock -#: ../src/guestfs.pod:887 +#: ../src/guestfs.pod:892 msgid "" -"This returns the last error message that happened on C. If there has not " -"been an error since the handle was created, then this returns C." +"Save this script as C (or wherever), C, and " +"then use it by setting the LIBGUESTFS_QEMU environment variable. For " +"example:" msgstr "" -# type: textblock -#: ../src/guestfs.pod:891 +# type: verbatim +#: ../src/guestfs.pod:896 +#, no-wrap msgid "" -"The lifetime of the returned string is until the next error occurs, or L is called." +" LIBGUESTFS_QEMU=/tmp/qemu.wrapper guestfish\n" +"\n" msgstr "" # type: textblock -#: ../src/guestfs.pod:894 +#: ../src/guestfs.pod:898 msgid "" -"The error string is not localized (ie. is always in English), because this " -"makes searching for error messages in search engines give the largest number " -"of results." +"Note that libguestfs also calls qemu with the -help and -version options in " +"order to determine features." msgstr "" # type: =head2 -#: ../src/guestfs.pod:898 -msgid "guestfs_set_error_handler" +#: ../src/guestfs.pod:901 +msgid "ABI GUARANTEE" msgstr "" -# type: verbatim -#: ../src/guestfs.pod:900 -#, no-wrap +# type: textblock +#: ../src/guestfs.pod:903 msgid "" -" typedef void (*guestfs_error_handler_cb) (guestfs_h *g,\n" -" void *opaque,\n" -" const char *msg);\n" -" void guestfs_set_error_handler (guestfs_h *g,\n" -" guestfs_error_handler_cb cb,\n" -" void *opaque);\n" -"\n" +"We guarantee the libguestfs ABI (binary interface), for public, high-level " +"actions as outlined in this section. Although we will deprecate some " +"actions, for example if they get replaced by newer calls, we will keep the " +"old actions forever. This allows you the developer to program in confidence " +"against the libguestfs API." msgstr "" -# type: textblock -#: ../src/guestfs.pod:907 -msgid "" -"The callback C will be called if there is an error. The parameters " -"passed to the callback are an opaque data pointer and the error message " -"string." +# type: =head1 +#: ../src/guestfs.pod:909 +msgid "BLOCK DEVICE NAMING" msgstr "" # type: textblock #: ../src/guestfs.pod:911 msgid "" -"Note that the message string C is freed as soon as the callback " -"function returns, so if you want to stash it somewhere you must make your " -"own copy." +"In the kernel there is now quite a profusion of schemata for naming block " +"devices (in this context, by I I mean a physical or virtual " +"hard drive). The original Linux IDE driver used names starting with C. SCSI devices have historically used a different naming scheme, C. When the Linux kernel I driver became a popular replacement " +"for the old IDE driver (particularly for SATA devices) those devices also " +"used the C scheme. Additionally we now have virtual machines with " +"paravirtualized drivers. This has created several different naming systems, " +"such as C for virtio disks and C for Xen PV disks." msgstr "" # type: textblock -#: ../src/guestfs.pod:915 -msgid "The default handler prints messages on C." +#: ../src/guestfs.pod:923 +msgid "" +"As discussed above, libguestfs uses a qemu appliance running an embedded " +"Linux kernel to access block devices. We can run a variety of appliances " +"based on a variety of Linux kernels." msgstr "" # type: textblock -#: ../src/guestfs.pod:917 -msgid "If you set C to C then I handler is called." -msgstr "" - -# type: =head2 -#: ../src/guestfs.pod:919 -msgid "guestfs_get_error_handler" +#: ../src/guestfs.pod:927 +msgid "" +"This causes a problem for libguestfs because many API calls use device or " +"partition names. Working scripts and the recipe (example) scripts that we " +"make available over the internet could fail if the naming scheme changes." msgstr "" -# type: verbatim -#: ../src/guestfs.pod:921 -#, no-wrap +# type: textblock +#: ../src/guestfs.pod:932 msgid "" -" guestfs_error_handler_cb guestfs_get_error_handler (guestfs_h *g,\n" -" void **opaque_rtn);\n" -"\n" +"Therefore libguestfs defines C as the I. " +"Internally C names are translated, if necessary, to other names as " +"required. For example, under RHEL 5 which uses the C scheme, any " +"device parameter C is translated to C transparently." msgstr "" # type: textblock -#: ../src/guestfs.pod:924 -msgid "Returns the current error handler callback." +#: ../src/guestfs.pod:938 +msgid "" +"Note that this I applies to parameters. The L, " +"L and similar calls return the true names of the " +"devices and partitions as known to the appliance." msgstr "" # type: =head2 -#: ../src/guestfs.pod:926 -msgid "guestfs_set_out_of_memory_handler" +#: ../src/guestfs.pod:943 +msgid "ALGORITHM FOR BLOCK DEVICE NAME TRANSLATION" msgstr "" -# type: verbatim -#: ../src/guestfs.pod:928 -#, no-wrap +# type: textblock +#: ../src/guestfs.pod:945 msgid "" -" typedef void (*guestfs_abort_cb) (void);\n" -" int guestfs_set_out_of_memory_handler (guestfs_h *g,\n" -" guestfs_abort_cb);\n" -"\n" +"Usually this translation is transparent. However in some (very rare) cases " +"you may need to know the exact algorithm. Such cases include where you use " +"L to add a mixture of virtio and IDE devices to the qemu-" +"based appliance, so have a mixture of C and C devices." msgstr "" # type: textblock -#: ../src/guestfs.pod:932 +#: ../src/guestfs.pod:951 msgid "" -"The callback C will be called if there is an out of memory situation. " -"I." +"The algorithm is applied only to I which are known to be either " +"device or partition names. Return values from functions such as L are never changed." msgstr "" # type: textblock -#: ../src/guestfs.pod:935 -msgid "The default is to call L." +#: ../src/guestfs.pod:959 +msgid "Is the string a parameter which is a device or partition name?" msgstr "" # type: textblock -#: ../src/guestfs.pod:937 -msgid "" -"You cannot set C to C. You can't ignore out of memory situations." -msgstr "" - -# type: =head2 -#: ../src/guestfs.pod:940 -msgid "guestfs_get_out_of_memory_handler" +#: ../src/guestfs.pod:963 +msgid "Does the string begin with C?" msgstr "" -# type: verbatim -#: ../src/guestfs.pod:942 -#, no-wrap +# type: textblock +#: ../src/guestfs.pod:967 msgid "" -" guestfs_abort_fn guestfs_get_out_of_memory_handler (guestfs_h *g);\n" -"\n" +"Does the named device exist? If so, we use that device. However if I " +"then we continue with this algorithm." msgstr "" # type: textblock -#: ../src/guestfs.pod:944 -msgid "This returns the current out of memory handler." +#: ../src/guestfs.pod:972 +msgid "Replace initial C string with C." msgstr "" -# type: =head1 -#: ../src/guestfs.pod:946 -msgid "PATH" +# type: textblock +#: ../src/guestfs.pod:974 +msgid "For example, change C to C." msgstr "" # type: textblock -#: ../src/guestfs.pod:948 -msgid "" -"Libguestfs needs a kernel and initrd.img, which it finds by looking along an " -"internal path." +#: ../src/guestfs.pod:976 +msgid "If that named device exists, use it. If not, continue." msgstr "" # type: textblock -#: ../src/guestfs.pod:951 -msgid "" -"By default it looks for these in the directory C<$libdir/guestfs> (eg. C or C)." +#: ../src/guestfs.pod:980 +msgid "Replace initial C string with C." msgstr "" # type: textblock -#: ../src/guestfs.pod:954 -msgid "" -"Use L or set the environment variable L " -"to change the directories that libguestfs will search in. The value is a " -"colon-separated list of paths. The current directory is I searched " -"unless the path contains an empty element or C<.>. For example " -"C would search the current directory and " -"then C." +#: ../src/guestfs.pod:982 +msgid "If that named device exists, use it. If not, return an error." msgstr "" -# type: =head1 -#: ../src/guestfs.pod:961 -msgid "HIGH-LEVEL API ACTIONS" +# type: =head3 +#: ../src/guestfs.pod:986 +msgid "PORTABILITY CONCERNS WITH BLOCK DEVICE NAMING" msgstr "" -# type: =head2 -#: ../src/guestfs.pod:963 -msgid "ABI GUARANTEE" +# type: textblock +#: ../src/guestfs.pod:988 +msgid "" +"Although the standard naming scheme and automatic translation is useful for " +"simple programs and guestfish scripts, for larger programs it is best not to " +"rely on this mechanism." msgstr "" # type: textblock -#: ../src/guestfs.pod:965 +#: ../src/guestfs.pod:992 msgid "" -"We guarantee the libguestfs ABI (binary interface), for public, high-level " -"actions as outlined in this section. Although we will deprecate some " -"actions, for example if they get replaced by newer calls, we will keep the " -"old actions forever. This allows you the developer to program in confidence " -"against the libguestfs API." +"Where possible for maximum future portability programs using libguestfs " +"should use these future-proof techniques:" msgstr "" # type: textblock -#: ../src/guestfs.pod:971 ../fish/guestfish.pod:860 -msgid "@ACTIONS@" +#: ../src/guestfs.pod:999 +msgid "" +"Use L or L to list actual " +"device names, and then use those names directly." msgstr "" -# type: =head1 -#: ../src/guestfs.pod:973 -msgid "STRUCTURES" +# type: textblock +#: ../src/guestfs.pod:1002 +msgid "" +"Since those device names exist by definition, they will never be translated." msgstr "" # type: textblock -#: ../src/guestfs.pod:975 -msgid "@STRUCTS@" +#: ../src/guestfs.pod:1007 +msgid "" +"Use higher level ways to identify filesystems, such as LVM names, UUIDs and " +"filesystem labels." msgstr "" # type: =head1 -#: ../src/guestfs.pod:977 -msgid "AVAILABILITY" +#: ../src/guestfs.pod:1012 +msgid "SECURITY" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1014 +msgid "" +"This section discusses security implications of using libguestfs, " +"particularly with untrusted or malicious guests or disk images." msgstr "" # type: =head2 -#: ../src/guestfs.pod:979 -msgid "GROUPS OF FUNCTIONALITY IN THE APPLIANCE" +#: ../src/guestfs.pod:1017 +msgid "GENERAL SECURITY CONSIDERATIONS" msgstr "" # type: textblock -#: ../src/guestfs.pod:981 +#: ../src/guestfs.pod:1019 msgid "" -"Using L you can test availability of the following " -"groups of functions. This test queries the appliance to see if the " -"appliance you are currently using supports the functionality." +"Be careful with any files or data that you download from a guest (by " +"\"download\" we mean not just the L command but any " +"command that reads files, filenames, directories or anything else from a " +"disk image). An attacker could manipulate the data to fool your program " +"into doing the wrong thing. Consider cases such as:" msgstr "" # type: textblock -#: ../src/guestfs.pod:986 -msgid "@AVAILABILITY@" +#: ../src/guestfs.pod:1029 +msgid "the data (file etc) not being present" msgstr "" -# type: =head2 -#: ../src/guestfs.pod:988 -msgid "GUESTFISH supported COMMAND" +# type: textblock +#: ../src/guestfs.pod:1033 +msgid "being present but empty" msgstr "" # type: textblock -#: ../src/guestfs.pod:990 -msgid "" -"In L there is a handy interactive command C which " -"prints out the available groups and whether they are supported by this build " -"of libguestfs. Note however that you have to do C first." +#: ../src/guestfs.pod:1037 +msgid "being much larger than normal" msgstr "" -# type: =head2 -#: ../src/guestfs.pod:995 -msgid "SINGLE CALLS AT COMPILE TIME" +# type: textblock +#: ../src/guestfs.pod:1041 +msgid "containing arbitrary 8 bit data" msgstr "" # type: textblock -#: ../src/guestfs.pod:997 -msgid "" -"Since version 1.5.8, Cguestfs.hE> defines symbols for each C API " -"function, such as:" +#: ../src/guestfs.pod:1045 +msgid "being in an unexpected character encoding" msgstr "" -# type: verbatim -#: ../src/guestfs.pod:1000 -#, no-wrap -msgid "" -" #define LIBGUESTFS_HAVE_DD 1\n" -"\n" +# type: textblock +#: ../src/guestfs.pod:1049 +msgid "containing homoglyphs." msgstr "" -# type: textblock -#: ../src/guestfs.pod:1002 -msgid "if L is available." +# type: =head2 +#: ../src/guestfs.pod:1053 +msgid "SECURITY OF MOUNTING FILESYSTEMS" msgstr "" # type: textblock -#: ../src/guestfs.pod:1004 +#: ../src/guestfs.pod:1055 msgid "" -"Before version 1.5.8, if you needed to test whether a single libguestfs " -"function is available at compile time, we recommended using build tools such " -"as autoconf or cmake. For example in autotools you could use:" +"When you mount a filesystem under Linux, mistakes in the kernel filesystem " +"(VFS) module can sometimes be escalated into exploits by deliberately " +"creating a malicious, malformed filesystem. These exploits are very severe " +"for two reasons. Firstly there are very many filesystem drivers in the " +"kernel, and many of them are infrequently used and not much developer " +"attention has been paid to the code. Linux userspace helps potential " +"crackers by detecting the filesystem type and automatically choosing the " +"right VFS driver, even if that filesystem type is obscure or unexpected for " +"the administrator. Secondly, a kernel-level exploit is like a local root " +"exploit (worse in some ways), giving immediate and total access to the " +"system right down to the hardware level." msgstr "" -# type: verbatim -#: ../src/guestfs.pod:1009 -#, no-wrap +# type: textblock +#: ../src/guestfs.pod:1068 msgid "" -" AC_CHECK_LIB([guestfs],[guestfs_create])\n" -" AC_CHECK_FUNCS([guestfs_dd])\n" -"\n" +"That explains why you should never mount a filesystem from an untrusted " +"guest on your host kernel. How about libguestfs? We run a Linux kernel " +"inside a qemu virtual machine, usually running as a non-root user. The " +"attacker would need to write a filesystem which first exploited the kernel, " +"and then exploited either qemu virtualization (eg. a faulty qemu driver) or " +"the libguestfs protocol, and finally to be as serious as the host kernel " +"exploit it would need to escalate its privileges to root. This multi-step " +"escalation, performed by a static piece of data, is thought to be extremely " +"hard to do, although we never say 'never' about security issues." msgstr "" # type: textblock -#: ../src/guestfs.pod:1012 +#: ../src/guestfs.pod:1079 msgid "" -"which would result in C being either defined or not defined " -"in your program." +"In any case callers can reduce the attack surface by forcing the filesystem " +"type when mounting (use L)." msgstr "" # type: =head2 -#: ../src/guestfs.pod:1015 -msgid "SINGLE CALLS AT RUN TIME" +#: ../src/guestfs.pod:1082 +msgid "PROTOCOL SECURITY" msgstr "" # type: textblock -#: ../src/guestfs.pod:1017 +#: ../src/guestfs.pod:1084 msgid "" -"Testing at compile time doesn't guarantee that a function really exists in " -"the library. The reason is that you might be dynamically linked against a " -"previous I (dynamic library) which doesn't have the call. " -"This situation unfortunately results in a segmentation fault, which is a " -"shortcoming of the C dynamic linking system itself." +"The protocol is designed to be secure, being based on RFC 4506 (XDR) with a " +"defined upper message size. However a program that uses libguestfs must " +"also take care - for example you can write a program that downloads a binary " +"from a disk image and executes it locally, and no amount of protocol " +"security will save you from the consequences." msgstr "" -# type: textblock -#: ../src/guestfs.pod:1024 -msgid "" -"You can use L to test if a function is available at run time, as " -"in this example program (note that you still need the compile time check as " -"well):" +# type: =head2 +#: ../src/guestfs.pod:1090 +msgid "INSPECTION SECURITY" msgstr "" -# type: verbatim -#: ../src/guestfs.pod:1028 -#, no-wrap +# type: textblock +#: ../src/guestfs.pod:1092 msgid "" -" #include \n" -" #include \n" -" #include \n" -" #include \n" -" #include \n" -" \n" +"Parts of the inspection API (see L) return untrusted strings " +"directly from the guest, and these could contain any 8 bit data. Callers " +"should be careful to escape these before printing them to a structured file " +"(for example, use HTML escaping if creating a web page)." msgstr "" -# type: verbatim -#: ../src/guestfs.pod:1034 -#, no-wrap +# type: textblock +#: ../src/guestfs.pod:1098 msgid "" -" main ()\n" -" {\n" -" #ifdef LIBGUESTFS_HAVE_DD\n" -" void *dl;\n" -" int has_function;\n" -" \n" +"Guest configuration may be altered in unusual ways by the administrator of " +"the virtual machine, and may not reflect reality (particularly for untrusted " +"or actively malicious guests). For example we parse the hostname from " +"configuration files like C that we find in the " +"guest, but the guest administrator can easily manipulate these files to " +"provide the wrong hostname." msgstr "" -# type: verbatim -#: ../src/guestfs.pod:1040 -#, no-wrap +# type: textblock +#: ../src/guestfs.pod:1106 msgid "" -" /* Test if the function guestfs_dd is really available. */\n" -" dl = dlopen (NULL, RTLD_LAZY);\n" -" if (!dl) {\n" -" fprintf (stderr, \"dlopen: %s\\n\", dlerror ());\n" -" exit (EXIT_FAILURE);\n" -" }\n" -" has_function = dlsym (dl, \"guestfs_dd\") != NULL;\n" -" dlclose (dl);\n" -" \n" +"The inspection API parses guest configuration using two external libraries: " +"Augeas (Linux configuration) and hivex (Windows Registry). Both are " +"designed to be robust in the face of malicious data, although denial of " +"service attacks are still possible, for example with oversized configuration " +"files." msgstr "" -# type: verbatim -#: ../src/guestfs.pod:1049 -#, no-wrap -msgid "" -" if (!has_function)\n" -" printf (\"this libguestfs.so does NOT have guestfs_dd function\\n\");\n" -" else {\n" -" printf (\"this libguestfs.so has guestfs_dd function\\n\");\n" -" /* Now it's safe to call\n" -" guestfs_dd (g, \"foo\", \"bar\");\n" -" */\n" -" }\n" -" #else\n" -" printf (\"guestfs_dd function was not found at compile time\\n\");\n" -" #endif\n" -" }\n" -"\n" +# type: =head2 +#: ../src/guestfs.pod:1112 +msgid "RUNNING UNTRUSTED GUEST COMMANDS" msgstr "" # type: textblock -#: ../src/guestfs.pod:1062 +#: ../src/guestfs.pod:1114 msgid "" -"You may think the above is an awful lot of hassle, and it is. There are " -"other ways outside of the C linking system to ensure that this kind of " -"incompatibility never arises, such as using package versioning:" +"Be very cautious about running commands from the guest. By running a " +"command in the guest, you are giving CPU time to a binary that you do not " +"control, under the same user account as the library, albeit wrapped in qemu " +"virtualization. More information and alternatives can be found in the " +"section L." msgstr "" -# type: verbatim -#: ../src/guestfs.pod:1067 -#, no-wrap -msgid "" -" Requires: libguestfs >= 1.0.80\n" -"\n" +# type: =head2 +#: ../src/guestfs.pod:1120 +msgid "CVE-2010-3851" msgstr "" -# type: =head1 -#: ../src/guestfs.pod:1069 -msgid "CALLS WITH OPTIONAL ARGUMENTS" +# type: textblock +#: ../src/guestfs.pod:1122 +msgid "https://bugzilla.redhat.com/642934" msgstr "" # type: textblock -#: ../src/guestfs.pod:1071 +#: ../src/guestfs.pod:1124 msgid "" -"A recent feature of the API is the introduction of calls which take optional " -"arguments. In C these are declared 3 ways. The main way is as a call which " -"takes variable arguments (ie. C<...>), as in this example:" +"This security bug concerns the automatic disk format detection that qemu " +"does on disk images." msgstr "" -# type: verbatim -#: ../src/guestfs.pod:1076 -#, no-wrap +# type: textblock +#: ../src/guestfs.pod:1127 msgid "" -" int guestfs_add_drive_opts (guestfs_h *g, const char *filename, ...);\n" -"\n" +"A raw disk image is just the raw bytes, there is no header. Other disk " +"images like qcow2 contain a special header. Qemu deals with this by looking " +"for one of the known headers, and if none is found then assuming the disk " +"image must be raw." msgstr "" # type: textblock -#: ../src/guestfs.pod:1078 +#: ../src/guestfs.pod:1132 msgid "" -"Call this with a list of optional arguments, terminated by C<-1>. So to " -"call with no optional arguments specified:" +"This allows a guest which has been given a raw disk image to write some " +"other header. At next boot (or when the disk image is accessed by " +"libguestfs) qemu would do autodetection and think the disk image format was, " +"say, qcow2 based on the header written by the guest." msgstr "" -# type: verbatim -#: ../src/guestfs.pod:1081 -#, no-wrap +# type: textblock +#: ../src/guestfs.pod:1137 msgid "" -" guestfs_add_drive_opts (g, filename, -1);\n" -"\n" +"This in itself would not be a problem, but qcow2 offers many features, one " +"of which is to allow a disk image to refer to another image (called the " +"\"backing disk\"). It does this by placing the path to the backing disk " +"into the qcow2 header. This path is not validated and could point to any " +"host file (eg. \"/etc/passwd\"). The backing disk is then exposed through " +"\"holes\" in the qcow2 disk image, which of course is completely under the " +"control of the attacker." msgstr "" # type: textblock -#: ../src/guestfs.pod:1083 -msgid "With a single optional argument:" -msgstr "" - -# type: verbatim -#: ../src/guestfs.pod:1085 -#, no-wrap +#: ../src/guestfs.pod:1145 msgid "" -" guestfs_add_drive_opts (g, filename,\n" -" GUESTFS_ADD_DRIVE_OPTS_FORMAT, \"qcow2\",\n" -" -1);\n" -"\n" +"In libguestfs this is rather hard to exploit except under two circumstances:" msgstr "" # type: textblock -#: ../src/guestfs.pod:1089 -msgid "With two:" +#: ../src/guestfs.pod:1152 +msgid "You have enabled the network or have opened the disk in write mode." msgstr "" -# type: verbatim -#: ../src/guestfs.pod:1091 -#, no-wrap +# type: textblock +#: ../src/guestfs.pod:1156 msgid "" -" guestfs_add_drive_opts (g, filename,\n" -" GUESTFS_ADD_DRIVE_OPTS_FORMAT, \"qcow2\",\n" -" GUESTFS_ADD_DRIVE_OPTS_READONLY, 1,\n" -" -1);\n" -"\n" +"You are also running untrusted code from the guest (see L)." msgstr "" # type: textblock -#: ../src/guestfs.pod:1096 +#: ../src/guestfs.pod:1161 msgid "" -"and so forth. Don't forget the terminating C<-1> otherwise Bad Things will " -"happen!" +"The way to avoid this is to specify the expected disk format when adding " +"disks (the optional C option to L). You " +"should always do this if the disk is raw format, and it's a good idea for " +"other cases too." msgstr "" -# type: =head2 -#: ../src/guestfs.pod:1099 -msgid "USING va_list FOR OPTIONAL ARGUMENTS" +# type: textblock +#: ../src/guestfs.pod:1166 +msgid "" +"For disks added from libvirt using calls like L, the " +"format is fetched from libvirt and passed through." msgstr "" # type: textblock -#: ../src/guestfs.pod:1101 +#: ../src/guestfs.pod:1169 msgid "" -"The second variant has the same name with the suffix C<_va>, which works the " -"same way but takes a C. See the C manual for details. For the " -"example function, this is declared:" +"For libguestfs tools, use the I<--format> command line parameter as " +"appropriate." msgstr "" -# type: verbatim -#: ../src/guestfs.pod:1105 -#, no-wrap -msgid "" -" int guestfs_add_drive_opts_va (guestfs_h *g, const char *filename,\n" -" va_list args);\n" -"\n" +# type: =head1 +#: ../src/guestfs.pod:1172 +msgid "CONNECTION MANAGEMENT" msgstr "" # type: =head2 -#: ../src/guestfs.pod:1108 -msgid "CONSTRUCTING OPTIONAL ARGUMENTS" +#: ../src/guestfs.pod:1174 +msgid "guestfs_h *" msgstr "" # type: textblock -#: ../src/guestfs.pod:1110 +#: ../src/guestfs.pod:1176 msgid "" -"The third variant is useful where you need to construct these calls. You " -"pass in a structure where you fill in the optional fields. The structure " -"has a bitmask as the first element which you must set to indicate which " -"fields you have filled in. For our example function the structure and call " -"are declared:" +"C is the opaque type representing a connection handle. Create a " +"handle by calling L. Call L to free the " +"handle and release all resources used." msgstr "" -# type: verbatim -#: ../src/guestfs.pod:1116 -#, no-wrap +# type: textblock +#: ../src/guestfs.pod:1180 msgid "" -" struct guestfs_add_drive_opts_argv {\n" -" uint64_t bitmask;\n" -" int readonly;\n" -" const char *format;\n" -" /* ... */\n" -" };\n" -" int guestfs_add_drive_opts_argv (guestfs_h *g, const char *filename,\n" -" const struct guestfs_add_drive_opts_argv *optargs);\n" -"\n" +"For information on using multiple handles and threads, see the section L below." msgstr "" -# type: textblock -#: ../src/guestfs.pod:1125 -msgid "You could call it like this:" +# type: =head2 +#: ../src/guestfs.pod:1183 +msgid "guestfs_create" msgstr "" # type: verbatim -#: ../src/guestfs.pod:1127 +#: ../src/guestfs.pod:1185 #, no-wrap msgid "" -" struct guestfs_add_drive_opts_argv optargs = {\n" -" .bitmask = GUESTFS_ADD_DRIVE_OPTS_READONLY_BITMASK |\n" -" GUESTFS_ADD_DRIVE_OPTS_FORMAT_BITMASK,\n" -" .readonly = 1,\n" -" .format = \"qcow2\"\n" -" };\n" -" \n" +" guestfs_h *guestfs_create (void);\n" +"\n" msgstr "" -# type: verbatim -#: ../src/guestfs.pod:1134 -#, no-wrap -msgid "" -" guestfs_add_drive_opts_argv (g, filename, &optargs);\n" -"\n" +# type: textblock +#: ../src/guestfs.pod:1187 +msgid "Create a connection handle." msgstr "" # type: textblock -#: ../src/guestfs.pod:1136 ../src/guestfs-actions.pod:10 -#: ../src/guestfs-actions.pod:1582 ../fish/guestfish-actions.pod:9 -#: ../fish/guestfish-actions.pod:1244 -msgid "Notes:" +#: ../src/guestfs.pod:1189 +msgid "" +"You have to call L (or one of the equivalent calls) " +"on the handle at least once." msgstr "" # type: textblock -#: ../src/guestfs.pod:1142 -msgid "The C<_BITMASK> suffix on each option name when specifying the bitmask." +#: ../src/guestfs.pod:1192 +msgid "" +"This function returns a non-NULL pointer to a handle on success or NULL on " +"error." msgstr "" # type: textblock -#: ../src/guestfs.pod:1147 -msgid "You do not need to fill in all fields of the structure." +#: ../src/guestfs.pod:1195 +msgid "After configuring the handle, you have to call L." msgstr "" # type: textblock -#: ../src/guestfs.pod:1151 +#: ../src/guestfs.pod:1197 msgid "" -"There must be a one-to-one correspondence between fields of the structure " -"that are filled in, and bits set in the bitmask." +"You may also want to configure error handling for the handle. See L section below." msgstr "" # type: =head2 -#: ../src/guestfs.pod:1156 -msgid "OPTIONAL ARGUMENTS IN OTHER LANGUAGES" +#: ../src/guestfs.pod:1200 +msgid "guestfs_close" msgstr "" -# type: textblock -#: ../src/guestfs.pod:1158 +# type: verbatim +#: ../src/guestfs.pod:1202 +#, no-wrap msgid "" -"In other languages, optional arguments are expressed in the way that is " -"natural for that language. We refer you to the language-specific " -"documentation for more details on that." +" void guestfs_close (guestfs_h *g);\n" +"\n" msgstr "" # type: textblock -#: ../src/guestfs.pod:1162 -msgid "For guestfish, see L." +#: ../src/guestfs.pod:1204 +msgid "This closes the connection handle and frees up all resources used." msgstr "" -# type: =end -#: ../src/guestfs.pod:1164 ../src/guestfs.pod:1169 -msgid "html" +# type: =head1 +#: ../src/guestfs.pod:1206 +msgid "ERROR HANDLING" msgstr "" # type: textblock -#: ../src/guestfs.pod:1166 +#: ../src/guestfs.pod:1208 msgid "" -" " +"API functions can return errors. For example, almost all functions that " +"return C will return C<-1> to indicate an error." msgstr "" -# type: =head1 -#: ../src/guestfs.pod:1171 -msgid "ARCHITECTURE" +# type: textblock +#: ../src/guestfs.pod:1211 +msgid "" +"Additional information is available for errors: an error message string and " +"optionally an error number (errno) if the thing that failed was a system " +"call." msgstr "" # type: textblock -#: ../src/guestfs.pod:1173 +#: ../src/guestfs.pod:1215 msgid "" -"Internally, libguestfs is implemented by running an appliance (a special " -"type of small virtual machine) using L. Qemu runs as a child " -"process of the main program." +"You can get at the additional information about the last error on the handle " +"by calling L, L, and/or by setting " +"up an error handler with L." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1220 +msgid "" +"When the handle is created, a default error handler is installed which " +"prints the error message string to C. For small short-running " +"command line programs it is sufficient to do:" msgstr "" # type: verbatim -#: ../src/guestfs.pod:1177 +#: ../src/guestfs.pod:1224 #, no-wrap msgid "" -" ___________________\n" -" / \\\n" -" | main program |\n" -" | |\n" -" | | child process / appliance\n" -" | | __________________________\n" -" | | / qemu \\\n" -" +-------------------+ RPC | +-----------------+ |\n" -" | libguestfs <--------------------> guestfsd | |\n" -" | | | +-----------------+ |\n" -" \\___________________/ | | Linux kernel | |\n" -" | +--^--------------+ |\n" -" \\_________|________________/\n" -" |\n" -" _______v______\n" -" / \\\n" -" | Device or |\n" -" | disk image |\n" -" \\______________/\n" +" if (guestfs_launch (g) == -1)\n" +" exit (EXIT_FAILURE);\n" "\n" msgstr "" # type: textblock -#: ../src/guestfs.pod:1197 +#: ../src/guestfs.pod:1227 msgid "" -"The library, linked to the main program, creates the child process and hence " -"the appliance in the L function." +"since the default error handler will ensure that an error message has been " +"printed to C before the program exits." msgstr "" # type: textblock -#: ../src/guestfs.pod:1200 +#: ../src/guestfs.pod:1230 msgid "" -"Inside the appliance is a Linux kernel and a complete stack of userspace " -"tools (such as LVM and ext2 programs) and a small controlling daemon called " -"L. The library talks to L using remote procedure " -"calls (RPC). There is a mostly one-to-one correspondence between libguestfs " -"API calls and RPC calls to the daemon. Lastly the disk image(s) are " -"attached to the qemu process which translates device access by the " -"appliance's Linux kernel into accesses to the image." +"For other programs the caller will almost certainly want to install an " +"alternate error handler or do error handling in-line like this:" msgstr "" -# type: textblock -#: ../src/guestfs.pod:1209 +# type: verbatim +#: ../src/guestfs.pod:1233 +#, no-wrap msgid "" -"A common misunderstanding is that the appliance \"is\" the virtual machine. " -"Although the disk image you are attached to might also be used by some " -"virtual machine, libguestfs doesn't know or care about this. (But you will " -"care if both libguestfs's qemu process and your virtual machine are trying " -"to update the disk image at the same time, since these usually results in " -"massive disk corruption)." -msgstr "" - -# type: =head1 -#: ../src/guestfs.pod:1216 -msgid "STATE MACHINE" -msgstr "" - -# type: textblock -#: ../src/guestfs.pod:1218 -msgid "libguestfs uses a state machine to model the child process:" +" g = guestfs_create ();\n" +" \n" msgstr "" # type: verbatim -#: ../src/guestfs.pod:1220 +#: ../src/guestfs.pod:1235 #, no-wrap msgid "" -" |\n" -" guestfs_create\n" -" |\n" -" |\n" -" ____V_____\n" -" / \\\n" -" | CONFIG |\n" -" \\__________/\n" -" ^ ^ ^ \\\n" -" / | \\ \\ guestfs_launch\n" -" / | _\\__V______\n" -" / | / \\\n" -" / | | LAUNCHING |\n" -" / | \\___________/\n" -" / | /\n" -" / | guestfs_launch\n" -" / | /\n" -" ______ / __|____V\n" -" / \\ ------> / \\\n" -" | BUSY | | READY |\n" -" \\______/ <------ \\________/\n" -"\n" +" /* This disables the default behaviour of printing errors\n" +" on stderr. */\n" +" guestfs_set_error_handler (g, NULL, NULL);\n" +" \n" msgstr "" -# type: textblock -#: ../src/guestfs.pod:1242 +# type: verbatim +#: ../src/guestfs.pod:1239 +#, no-wrap msgid "" -"The normal transitions are (1) CONFIG (when the handle is created, but there " -"is no child process), (2) LAUNCHING (when the child process is booting up), " -"(3) alternating between READY and BUSY as commands are issued to, and " -"carried out by, the child process." +" if (guestfs_launch (g) == -1) {\n" +" /* Examine the error message and print it etc. */\n" +" char *msg = guestfs_last_error (g);\n" +" int errnum = guestfs_last_errno (g);\n" +" fprintf (stderr, \"%s\\n\", msg);\n" +" /* ... */\n" +" }\n" +"\n" msgstr "" # type: textblock #: ../src/guestfs.pod:1247 msgid "" -"The guest may be killed by L, or may die " -"asynchronously at any time (eg. due to some internal error), and that causes " -"the state to transition back to CONFIG." +"Out of memory errors are handled differently. The default action is to call " +"L. If this is undesirable, then you can set a handler using L." msgstr "" # type: textblock #: ../src/guestfs.pod:1251 msgid "" -"Configuration commands for qemu such as L can only be " -"issued when in the CONFIG state." +"L returns C if the handle cannot be created, and " +"because there is no handle if this happens there is no way to get additional " +"error information. However L is supposed to be a " +"lightweight operation which can only fail because of insufficient memory (it " +"returns NULL in this case)." msgstr "" -# type: textblock -#: ../src/guestfs.pod:1254 +# type: =head2 +#: ../src/guestfs.pod:1257 +msgid "guestfs_last_error" +msgstr "" + +# type: verbatim +#: ../src/guestfs.pod:1259 +#, no-wrap msgid "" -"The API offers one call that goes from CONFIG through LAUNCHING to READY. " -"L blocks until the child process is READY to accept " -"commands (or until some failure or timeout). L internally " -"moves the state from CONFIG to LAUNCHING while it is running." +" const char *guestfs_last_error (guestfs_h *g);\n" +"\n" msgstr "" # type: textblock -#: ../src/guestfs.pod:1260 +#: ../src/guestfs.pod:1261 msgid "" -"API actions such as L can only be issued when in the READY " -"state. These API calls block waiting for the command to be carried out (ie. " -"the state to transition to BUSY and then back to READY). There are no non-" -"blocking versions, and no way to issue more than one command per handle at " -"the same time." +"This returns the last error message that happened on C. If there has not " +"been an error since the handle was created, then this returns C." msgstr "" # type: textblock -#: ../src/guestfs.pod:1266 +#: ../src/guestfs.pod:1265 msgid "" -"Finally, the child process sends asynchronous messages back to the main " -"program, such as kernel log messages. You can register a callback to " -"receive these messages." +"The lifetime of the returned string is until the next error occurs, or L is called." msgstr "" # type: =head2 +#: ../src/guestfs.pod:1268 +msgid "guestfs_last_errno" +msgstr "" + +# type: verbatim #: ../src/guestfs.pod:1270 -msgid "SETTING CALLBACKS TO HANDLE EVENTS" +#, no-wrap +msgid "" +" int guestfs_last_errno (guestfs_h *g);\n" +"\n" msgstr "" # type: textblock #: ../src/guestfs.pod:1272 -msgid "" -"The child process generates events in some situations. Current events " -"include: receiving a log message, the child process exits." +msgid "This returns the last error number (errno) that happened on C." msgstr "" # type: textblock -#: ../src/guestfs.pod:1275 -msgid "" -"Use the C functions to set a callback for different " -"types of events." +#: ../src/guestfs.pod:1274 +msgid "If successful, an errno integer not equal to zero is returned." msgstr "" # type: textblock -#: ../src/guestfs.pod:1278 +#: ../src/guestfs.pod:1276 msgid "" -"Only I can be registered for each handle. " -"Calling C again overwrites the previous callback of " -"that type. Cancel all callbacks of this type by calling this function with " -"C set to C." +"If no error, this returns 0. This call can return 0 in three situations:" msgstr "" -# type: =head2 +# type: textblock #: ../src/guestfs.pod:1283 -msgid "guestfs_set_log_message_callback" +msgid "There has not been any error on the handle." msgstr "" -# type: verbatim -#: ../src/guestfs.pod:1285 -#, no-wrap +# type: textblock +#: ../src/guestfs.pod:1287 msgid "" -" typedef void (*guestfs_log_message_cb) (guestfs_h *g, void *opaque,\n" -" char *buf, int len);\n" -" void guestfs_set_log_message_callback (guestfs_h *g,\n" -" guestfs_log_message_cb cb,\n" -" void *opaque);\n" -"\n" +"There has been an error but the errno was meaningless. This corresponds to " +"the case where the error did not come from a failed system call, but for " +"some other reason." msgstr "" # type: textblock -#: ../src/guestfs.pod:1291 +#: ../src/guestfs.pod:1293 msgid "" -"The callback function C will be called whenever qemu or the guest writes " -"anything to the console." -msgstr "" - -# type: textblock -#: ../src/guestfs.pod:1294 -msgid "Use this function to capture kernel messages and similar." +"There was an error from a failed system call, but for some reason the errno " +"was not captured and returned. This usually indicates a bug in libguestfs." msgstr "" # type: textblock -#: ../src/guestfs.pod:1296 +#: ../src/guestfs.pod:1299 msgid "" -"Normally there is no log message handler, and log messages are just " -"discarded." +"Libguestfs tries to convert the errno from inside the applicance into a " +"corresponding errno for the caller (not entirely trivial: the appliance " +"might be running a completely different operating system from the library " +"and error numbers are not standardized across Un*xen). If this could not be " +"done, then the error is translated to C. In practice this should " +"only happen in very rare circumstances." msgstr "" # type: =head2 -#: ../src/guestfs.pod:1299 -msgid "guestfs_set_subprocess_quit_callback" +#: ../src/guestfs.pod:1307 +msgid "guestfs_set_error_handler" msgstr "" # type: verbatim -#: ../src/guestfs.pod:1301 +#: ../src/guestfs.pod:1309 #, no-wrap msgid "" -" typedef void (*guestfs_subprocess_quit_cb) (guestfs_h *g, void *opaque);\n" -" void guestfs_set_subprocess_quit_callback (guestfs_h *g,\n" -" guestfs_subprocess_quit_cb cb,\n" -" void *opaque);\n" +" typedef void (*guestfs_error_handler_cb) (guestfs_h *g,\n" +" void *opaque,\n" +" const char *msg);\n" +" void guestfs_set_error_handler (guestfs_h *g,\n" +" guestfs_error_handler_cb cb,\n" +" void *opaque);\n" "\n" msgstr "" # type: textblock -#: ../src/guestfs.pod:1306 +#: ../src/guestfs.pod:1316 msgid "" -"The callback function C will be called when the child process quits, " -"either asynchronously or if killed by L. (This " -"corresponds to a transition from any state to the CONFIG state)." +"The callback C will be called if there is an error. The parameters " +"passed to the callback are an opaque data pointer and the error message " +"string." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1320 +msgid "" +"C is not passed to the callback. To get that the callback must call " +"L." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1323 +msgid "" +"Note that the message string C is freed as soon as the callback " +"function returns, so if you want to stash it somewhere you must make your " +"own copy." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1327 +msgid "The default handler prints messages on C." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1329 +msgid "If you set C to C then I handler is called." msgstr "" # type: =head2 -#: ../src/guestfs.pod:1311 -msgid "guestfs_set_launch_done_callback" +#: ../src/guestfs.pod:1331 +msgid "guestfs_get_error_handler" msgstr "" # type: verbatim -#: ../src/guestfs.pod:1313 +#: ../src/guestfs.pod:1333 #, no-wrap msgid "" -" typedef void (*guestfs_launch_done_cb) (guestfs_h *g, void *opaque);\n" -" void guestfs_set_launch_done_callback (guestfs_h *g,\n" -" guestfs_launch_done_cb cb,\n" -" void *opaque);\n" +" guestfs_error_handler_cb guestfs_get_error_handler (guestfs_h *g,\n" +" void **opaque_rtn);\n" "\n" msgstr "" # type: textblock -#: ../src/guestfs.pod:1318 -msgid "" -"The callback function C will be called when the child process becomes " -"ready first time after it has been launched. (This corresponds to a " -"transition from LAUNCHING to the READY state)." +#: ../src/guestfs.pod:1336 +msgid "Returns the current error handler callback." msgstr "" # type: =head2 -#: ../src/guestfs.pod:1322 -msgid "guestfs_set_close_callback" +#: ../src/guestfs.pod:1338 +msgid "guestfs_set_out_of_memory_handler" msgstr "" # type: verbatim -#: ../src/guestfs.pod:1324 +#: ../src/guestfs.pod:1340 #, no-wrap msgid "" -" typedef void (*guestfs_close_cb) (guestfs_h *g, void *opaque);\n" -" void guestfs_set_close_callback (guestfs_h *g,\n" -" guestfs_close_cb cb,\n" -" void *opaque);\n" +" typedef void (*guestfs_abort_cb) (void);\n" +" int guestfs_set_out_of_memory_handler (guestfs_h *g,\n" +" guestfs_abort_cb);\n" "\n" msgstr "" # type: textblock -#: ../src/guestfs.pod:1329 +#: ../src/guestfs.pod:1344 msgid "" -"The callback function C will be called while the handle is being closed " -"(synchronously from L)." +"The callback C will be called if there is an out of memory situation. " +"I." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1347 +msgid "The default is to call L." msgstr "" # type: textblock -#: ../src/guestfs.pod:1332 +#: ../src/guestfs.pod:1349 msgid "" -"Note that libguestfs installs an L handler to try to clean up " -"handles that are open when the program exits. This means that this callback " -"might be called indirectly from L, which can cause unexpected " -"problems in higher-level languages (eg. if your HLL interpreter has already " -"been cleaned up by the time this is called, and if your callback then jumps " -"into some HLL function)." +"You cannot set C to C. You can't ignore out of memory situations." msgstr "" # type: =head2 -#: ../src/guestfs.pod:1340 -msgid "guestfs_set_progress_callback" +#: ../src/guestfs.pod:1352 +msgid "guestfs_get_out_of_memory_handler" msgstr "" # type: verbatim -#: ../src/guestfs.pod:1342 +#: ../src/guestfs.pod:1354 #, no-wrap msgid "" -" typedef void (*guestfs_progress_cb) (guestfs_h *g, void *opaque,\n" -" int proc_nr, int serial,\n" -" uint64_t position, uint64_t total);\n" -" void guestfs_set_progress_callback (guestfs_h *g,\n" -" guestfs_progress_cb cb,\n" -" void *opaque);\n" +" guestfs_abort_fn guestfs_get_out_of_memory_handler (guestfs_h *g);\n" "\n" msgstr "" # type: textblock -#: ../src/guestfs.pod:1349 -msgid "" -"Some long-running operations can generate progress messages. If this " -"callback is registered, then it will be called each time a progress message " -"is generated (usually two seconds after the operation started, and three " -"times per second thereafter until it completes, although the frequency may " -"change in future versions)." +#: ../src/guestfs.pod:1356 +msgid "This returns the current out of memory handler." msgstr "" -# type: textblock -#: ../src/guestfs.pod:1355 -msgid "" -"The callback receives two numbers: C and C. The units of " -"C are not defined, although for some operations C may relate " -"in some way to the amount of data to be transferred (eg. in bytes or " -"megabytes), and C may be the portion which has been transferred." +# type: =head1 +#: ../src/guestfs.pod:1358 +msgid "API CALLS" msgstr "" # type: textblock -#: ../src/guestfs.pod:1361 -msgid "The only defined and stable parts of the API are:" +#: ../src/guestfs.pod:1360 ../fish/guestfish.pod:907 +msgid "@ACTIONS@" msgstr "" -# type: textblock -#: ../src/guestfs.pod:1367 -msgid "" -"The callback can display to the user some type of progress bar or indicator " -"which shows the ratio of C:C." +# type: =head1 +#: ../src/guestfs.pod:1362 +msgid "STRUCTURES" msgstr "" # type: textblock -#: ../src/guestfs.pod:1372 -msgid "0 E= C E= C" +#: ../src/guestfs.pod:1364 +msgid "@STRUCTS@" msgstr "" -# type: textblock -#: ../src/guestfs.pod:1376 -msgid "" -"If any progress notification is sent during a call, then a final progress " -"notification is always sent when C = C." +# type: =head1 +#: ../src/guestfs.pod:1366 +msgid "AVAILABILITY" +msgstr "" + +# type: =head2 +#: ../src/guestfs.pod:1368 +msgid "GROUPS OF FUNCTIONALITY IN THE APPLIANCE" msgstr "" # type: textblock -#: ../src/guestfs.pod:1379 +#: ../src/guestfs.pod:1370 msgid "" -"This is to simplify caller code, so callers can easily set the progress " -"indicator to \"100%\" at the end of the operation, without requiring special " -"code to detect this case." +"Using L you can test availability of the following " +"groups of functions. This test queries the appliance to see if the " +"appliance you are currently using supports the functionality." msgstr "" # type: textblock -#: ../src/guestfs.pod:1385 -msgid "" -"The callback also receives the procedure number and serial number of the " -"call. These are only useful for debugging protocol issues, and the callback " -"can normally ignore them. The callback may want to print these numbers in " -"error messages or debugging messages." +#: ../src/guestfs.pod:1375 +msgid "@AVAILABILITY@" msgstr "" -# type: =head1 -#: ../src/guestfs.pod:1390 -msgid "PRIVATE DATA AREA" +# type: =head2 +#: ../src/guestfs.pod:1377 +msgid "GUESTFISH supported COMMAND" msgstr "" # type: textblock -#: ../src/guestfs.pod:1392 +#: ../src/guestfs.pod:1379 msgid "" -"You can attach named pieces of private data to the libguestfs handle, and " -"fetch them by name for the lifetime of the handle. This is called the " -"private data area and is only available from the C API." +"In L there is a handy interactive command C which " +"prints out the available groups and whether they are supported by this build " +"of libguestfs. Note however that you have to do C first." +msgstr "" + +# type: =head2 +#: ../src/guestfs.pod:1384 +msgid "SINGLE CALLS AT COMPILE TIME" msgstr "" # type: textblock -#: ../src/guestfs.pod:1396 -msgid "To attach a named piece of data, use the following call:" +#: ../src/guestfs.pod:1386 +msgid "" +"Since version 1.5.8, Cguestfs.hE> defines symbols for each C API " +"function, such as:" msgstr "" # type: verbatim -#: ../src/guestfs.pod:1398 +#: ../src/guestfs.pod:1389 #, no-wrap msgid "" -" void guestfs_set_private (guestfs_h *g, const char *key, void *data);\n" +" #define LIBGUESTFS_HAVE_DD 1\n" "\n" msgstr "" # type: textblock -#: ../src/guestfs.pod:1400 -msgid "" -"C is the name to associate with this data, and C is an arbitrary " -"pointer (which can be C). Any previous item with the same name is " -"overwritten." +#: ../src/guestfs.pod:1391 +msgid "if L is available." msgstr "" # type: textblock -#: ../src/guestfs.pod:1404 +#: ../src/guestfs.pod:1393 msgid "" -"You can use any C you want, but names beginning with an underscore " -"character are reserved for internal libguestfs purposes (for implementing " -"language bindings). It is recommended to prefix the name with some unique " -"string to avoid collisions with other users." -msgstr "" - -# type: textblock -#: ../src/guestfs.pod:1409 -msgid "To retrieve the pointer, use:" +"Before version 1.5.8, if you needed to test whether a single libguestfs " +"function is available at compile time, we recommended using build tools such " +"as autoconf or cmake. For example in autotools you could use:" msgstr "" # type: verbatim -#: ../src/guestfs.pod:1411 +#: ../src/guestfs.pod:1398 #, no-wrap msgid "" -" void *guestfs_get_private (guestfs_h *g, const char *key);\n" +" AC_CHECK_LIB([guestfs],[guestfs_create])\n" +" AC_CHECK_FUNCS([guestfs_dd])\n" "\n" msgstr "" # type: textblock -#: ../src/guestfs.pod:1413 +#: ../src/guestfs.pod:1401 msgid "" -"This function returns C if either no data is found associated with " -"C, or if the user previously set the C's C pointer to " -"C." +"which would result in C being either defined or not defined " +"in your program." msgstr "" -# type: textblock -#: ../src/guestfs.pod:1417 -msgid "" -"Libguestfs does not try to look at or interpret the C pointer in any " -"way. As far as libguestfs is concerned, it need not be a valid pointer at " -"all. In particular, libguestfs does I try to free the data when the " -"handle is closed. If the data must be freed, then the caller must either " -"free it before calling L or must set up a close callback to " -"do it (see L, and note that only one callback " -"can be registered for a handle)." +# type: =head2 +#: ../src/guestfs.pod:1404 +msgid "SINGLE CALLS AT RUN TIME" msgstr "" # type: textblock -#: ../src/guestfs.pod:1425 +#: ../src/guestfs.pod:1406 msgid "" -"The private data area is implemented using a hash table, and should be " -"reasonably efficient for moderate numbers of keys." -msgstr "" - -# type: =head1 -#: ../src/guestfs.pod:1428 -msgid "BLOCK DEVICE NAMING" +"Testing at compile time doesn't guarantee that a function really exists in " +"the library. The reason is that you might be dynamically linked against a " +"previous I (dynamic library) which doesn't have the call. " +"This situation unfortunately results in a segmentation fault, which is a " +"shortcoming of the C dynamic linking system itself." msgstr "" # type: textblock -#: ../src/guestfs.pod:1430 +#: ../src/guestfs.pod:1413 msgid "" -"In the kernel there is now quite a profusion of schemata for naming block " -"devices (in this context, by I I mean a physical or virtual " -"hard drive). The original Linux IDE driver used names starting with C. SCSI devices have historically used a different naming scheme, C. When the Linux kernel I driver became a popular replacement " -"for the old IDE driver (particularly for SATA devices) those devices also " -"used the C scheme. Additionally we now have virtual machines with " -"paravirtualized drivers. This has created several different naming systems, " -"such as C for virtio disks and C for Xen PV disks." +"You can use L to test if a function is available at run time, as " +"in this example program (note that you still need the compile time check as " +"well):" msgstr "" -# type: textblock -#: ../src/guestfs.pod:1442 +# type: verbatim +#: ../src/guestfs.pod:1417 +#, no-wrap msgid "" -"As discussed above, libguestfs uses a qemu appliance running an embedded " -"Linux kernel to access block devices. We can run a variety of appliances " -"based on a variety of Linux kernels." +" #include \n" +" #include \n" +" #include \n" +" #include \n" +" #include \n" +" \n" msgstr "" -# type: textblock -#: ../src/guestfs.pod:1446 +# type: verbatim +#: ../src/guestfs.pod:1423 +#, no-wrap msgid "" -"This causes a problem for libguestfs because many API calls use device or " -"partition names. Working scripts and the recipe (example) scripts that we " -"make available over the internet could fail if the naming scheme changes." +" main ()\n" +" {\n" +" #ifdef LIBGUESTFS_HAVE_DD\n" +" void *dl;\n" +" int has_function;\n" +" \n" +msgstr "" + +# type: verbatim +#: ../src/guestfs.pod:1429 +#, no-wrap +msgid "" +" /* Test if the function guestfs_dd is really available. */\n" +" dl = dlopen (NULL, RTLD_LAZY);\n" +" if (!dl) {\n" +" fprintf (stderr, \"dlopen: %s\\n\", dlerror ());\n" +" exit (EXIT_FAILURE);\n" +" }\n" +" has_function = dlsym (dl, \"guestfs_dd\") != NULL;\n" +" dlclose (dl);\n" +" \n" +msgstr "" + +# type: verbatim +#: ../src/guestfs.pod:1438 +#, no-wrap +msgid "" +" if (!has_function)\n" +" printf (\"this libguestfs.so does NOT have guestfs_dd function\\n\");\n" +" else {\n" +" printf (\"this libguestfs.so has guestfs_dd function\\n\");\n" +" /* Now it's safe to call\n" +" guestfs_dd (g, \"foo\", \"bar\");\n" +" */\n" +" }\n" +" #else\n" +" printf (\"guestfs_dd function was not found at compile time\\n\");\n" +" #endif\n" +" }\n" +"\n" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1451 +msgid "" +"You may think the above is an awful lot of hassle, and it is. There are " +"other ways outside of the C linking system to ensure that this kind of " +"incompatibility never arises, such as using package versioning:" +msgstr "" + +# type: verbatim +#: ../src/guestfs.pod:1456 +#, no-wrap +msgid "" +" Requires: libguestfs >= 1.0.80\n" +"\n" +msgstr "" + +# type: =head1 +#: ../src/guestfs.pod:1458 +msgid "CALLS WITH OPTIONAL ARGUMENTS" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1460 +msgid "" +"A recent feature of the API is the introduction of calls which take optional " +"arguments. In C these are declared 3 ways. The main way is as a call which " +"takes variable arguments (ie. C<...>), as in this example:" +msgstr "" + +# type: verbatim +#: ../src/guestfs.pod:1465 +#, no-wrap +msgid "" +" int guestfs_add_drive_opts (guestfs_h *g, const char *filename, ...);\n" +"\n" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1467 +msgid "" +"Call this with a list of optional arguments, terminated by C<-1>. So to " +"call with no optional arguments specified:" +msgstr "" + +# type: verbatim +#: ../src/guestfs.pod:1470 +#, no-wrap +msgid "" +" guestfs_add_drive_opts (g, filename, -1);\n" +"\n" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1472 +msgid "With a single optional argument:" +msgstr "" + +# type: verbatim +#: ../src/guestfs.pod:1474 +#, no-wrap +msgid "" +" guestfs_add_drive_opts (g, filename,\n" +" GUESTFS_ADD_DRIVE_OPTS_FORMAT, \"qcow2\",\n" +" -1);\n" +"\n" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1478 +msgid "With two:" +msgstr "" + +# type: verbatim +#: ../src/guestfs.pod:1480 +#, no-wrap +msgid "" +" guestfs_add_drive_opts (g, filename,\n" +" GUESTFS_ADD_DRIVE_OPTS_FORMAT, \"qcow2\",\n" +" GUESTFS_ADD_DRIVE_OPTS_READONLY, 1,\n" +" -1);\n" +"\n" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1485 +msgid "" +"and so forth. Don't forget the terminating C<-1> otherwise Bad Things will " +"happen!" +msgstr "" + +# type: =head2 +#: ../src/guestfs.pod:1488 +msgid "USING va_list FOR OPTIONAL ARGUMENTS" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1490 +msgid "" +"The second variant has the same name with the suffix C<_va>, which works the " +"same way but takes a C. See the C manual for details. For the " +"example function, this is declared:" +msgstr "" + +# type: verbatim +#: ../src/guestfs.pod:1494 +#, no-wrap +msgid "" +" int guestfs_add_drive_opts_va (guestfs_h *g, const char *filename,\n" +" va_list args);\n" +"\n" +msgstr "" + +# type: =head2 +#: ../src/guestfs.pod:1497 +msgid "CONSTRUCTING OPTIONAL ARGUMENTS" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1499 +msgid "" +"The third variant is useful where you need to construct these calls. You " +"pass in a structure where you fill in the optional fields. The structure " +"has a bitmask as the first element which you must set to indicate which " +"fields you have filled in. For our example function the structure and call " +"are declared:" +msgstr "" + +# type: verbatim +#: ../src/guestfs.pod:1505 +#, no-wrap +msgid "" +" struct guestfs_add_drive_opts_argv {\n" +" uint64_t bitmask;\n" +" int readonly;\n" +" const char *format;\n" +" /* ... */\n" +" };\n" +" int guestfs_add_drive_opts_argv (guestfs_h *g, const char *filename,\n" +" const struct guestfs_add_drive_opts_argv *optargs);\n" +"\n" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1514 +msgid "You could call it like this:" +msgstr "" + +# type: verbatim +#: ../src/guestfs.pod:1516 +#, no-wrap +msgid "" +" struct guestfs_add_drive_opts_argv optargs = {\n" +" .bitmask = GUESTFS_ADD_DRIVE_OPTS_READONLY_BITMASK |\n" +" GUESTFS_ADD_DRIVE_OPTS_FORMAT_BITMASK,\n" +" .readonly = 1,\n" +" .format = \"qcow2\"\n" +" };\n" +" \n" +msgstr "" + +# type: verbatim +#: ../src/guestfs.pod:1523 +#, no-wrap +msgid "" +" guestfs_add_drive_opts_argv (g, filename, &optargs);\n" +"\n" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1525 ../src/guestfs-actions.pod:11 +#: ../src/guestfs-actions.pod:1842 ../fish/guestfish-actions.pod:9 +#: ../fish/guestfish-actions.pod:1255 +msgid "Notes:" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1531 +msgid "The C<_BITMASK> suffix on each option name when specifying the bitmask." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1536 +msgid "You do not need to fill in all fields of the structure." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1540 +msgid "" +"There must be a one-to-one correspondence between fields of the structure " +"that are filled in, and bits set in the bitmask." +msgstr "" + +# type: =head2 +#: ../src/guestfs.pod:1545 +msgid "OPTIONAL ARGUMENTS IN OTHER LANGUAGES" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1547 +msgid "" +"In other languages, optional arguments are expressed in the way that is " +"natural for that language. We refer you to the language-specific " +"documentation for more details on that." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1551 +msgid "For guestfish, see L." +msgstr "" + +# type: =head2 +#: ../src/guestfs.pod:1553 +msgid "SETTING CALLBACKS TO HANDLE EVENTS" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1555 +msgid "" +"The child process generates events in some situations. Current events " +"include: receiving a log message, the child process exits." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1558 +msgid "" +"Use the C functions to set a callback for different " +"types of events." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1561 +msgid "" +"Only I can be registered for each handle. " +"Calling C again overwrites the previous callback of " +"that type. Cancel all callbacks of this type by calling this function with " +"C set to C." +msgstr "" + +# type: =head2 +#: ../src/guestfs.pod:1566 +msgid "guestfs_set_log_message_callback" +msgstr "" + +# type: verbatim +#: ../src/guestfs.pod:1568 +#, no-wrap +msgid "" +" typedef void (*guestfs_log_message_cb) (guestfs_h *g, void *opaque,\n" +" char *buf, int len);\n" +" void guestfs_set_log_message_callback (guestfs_h *g,\n" +" guestfs_log_message_cb cb,\n" +" void *opaque);\n" +"\n" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1574 +msgid "" +"The callback function C will be called whenever qemu or the guest writes " +"anything to the console." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1577 +msgid "Use this function to capture kernel messages and similar." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1579 +msgid "" +"Normally there is no log message handler, and log messages are just " +"discarded." +msgstr "" + +# type: =head2 +#: ../src/guestfs.pod:1582 +msgid "guestfs_set_subprocess_quit_callback" +msgstr "" + +# type: verbatim +#: ../src/guestfs.pod:1584 +#, no-wrap +msgid "" +" typedef void (*guestfs_subprocess_quit_cb) (guestfs_h *g, void *opaque);\n" +" void guestfs_set_subprocess_quit_callback (guestfs_h *g,\n" +" guestfs_subprocess_quit_cb cb,\n" +" void *opaque);\n" +"\n" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1589 +msgid "" +"The callback function C will be called when the child process quits, " +"either asynchronously or if killed by L. (This " +"corresponds to a transition from any state to the CONFIG state)." +msgstr "" + +# type: =head2 +#: ../src/guestfs.pod:1594 +msgid "guestfs_set_launch_done_callback" +msgstr "" + +# type: verbatim +#: ../src/guestfs.pod:1596 +#, no-wrap +msgid "" +" typedef void (*guestfs_launch_done_cb) (guestfs_h *g, void *opaque);\n" +" void guestfs_set_launch_done_callback (guestfs_h *g,\n" +" guestfs_launch_done_cb cb,\n" +" void *opaque);\n" +"\n" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1601 +msgid "" +"The callback function C will be called when the child process becomes " +"ready first time after it has been launched. (This corresponds to a " +"transition from LAUNCHING to the READY state)." +msgstr "" + +# type: =head2 +#: ../src/guestfs.pod:1605 +msgid "guestfs_set_close_callback" +msgstr "" + +# type: verbatim +#: ../src/guestfs.pod:1607 +#, no-wrap +msgid "" +" typedef void (*guestfs_close_cb) (guestfs_h *g, void *opaque);\n" +" void guestfs_set_close_callback (guestfs_h *g,\n" +" guestfs_close_cb cb,\n" +" void *opaque);\n" +"\n" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1612 +msgid "" +"The callback function C will be called while the handle is being closed " +"(synchronously from L)." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1615 +msgid "" +"Note that libguestfs installs an L handler to try to clean up " +"handles that are open when the program exits. This means that this callback " +"might be called indirectly from L, which can cause unexpected " +"problems in higher-level languages (eg. if your HLL interpreter has already " +"been cleaned up by the time this is called, and if your callback then jumps " +"into some HLL function)." +msgstr "" + +# type: =head2 +#: ../src/guestfs.pod:1623 +msgid "guestfs_set_progress_callback" +msgstr "" + +# type: verbatim +#: ../src/guestfs.pod:1625 +#, no-wrap +msgid "" +" typedef void (*guestfs_progress_cb) (guestfs_h *g, void *opaque,\n" +" int proc_nr, int serial,\n" +" uint64_t position, uint64_t total);\n" +" void guestfs_set_progress_callback (guestfs_h *g,\n" +" guestfs_progress_cb cb,\n" +" void *opaque);\n" +"\n" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1632 +msgid "" +"Some long-running operations can generate progress messages. If this " +"callback is registered, then it will be called each time a progress message " +"is generated (usually two seconds after the operation started, and three " +"times per second thereafter until it completes, although the frequency may " +"change in future versions)." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1638 +msgid "" +"The callback receives two numbers: C and C. The units of " +"C are not defined, although for some operations C may relate " +"in some way to the amount of data to be transferred (eg. in bytes or " +"megabytes), and C may be the portion which has been transferred." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1644 +msgid "The only defined and stable parts of the API are:" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1650 +msgid "" +"The callback can display to the user some type of progress bar or indicator " +"which shows the ratio of C:C." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1655 +msgid "0 E= C E= C" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1659 +msgid "" +"If any progress notification is sent during a call, then a final progress " +"notification is always sent when C = C." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1662 +msgid "" +"This is to simplify caller code, so callers can easily set the progress " +"indicator to \"100%\" at the end of the operation, without requiring special " +"code to detect this case." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1668 +msgid "" +"The callback also receives the procedure number and serial number of the " +"call. These are only useful for debugging protocol issues, and the callback " +"can normally ignore them. The callback may want to print these numbers in " +"error messages or debugging messages." +msgstr "" + +# type: =head1 +#: ../src/guestfs.pod:1673 +msgid "PRIVATE DATA AREA" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1675 +msgid "" +"You can attach named pieces of private data to the libguestfs handle, and " +"fetch them by name for the lifetime of the handle. This is called the " +"private data area and is only available from the C API." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1679 +msgid "To attach a named piece of data, use the following call:" +msgstr "" + +# type: verbatim +#: ../src/guestfs.pod:1681 +#, no-wrap +msgid "" +" void guestfs_set_private (guestfs_h *g, const char *key, void *data);\n" +"\n" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1683 +msgid "" +"C is the name to associate with this data, and C is an arbitrary " +"pointer (which can be C). Any previous item with the same name is " +"overwritten." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1687 +msgid "" +"You can use any C you want, but names beginning with an underscore " +"character are reserved for internal libguestfs purposes (for implementing " +"language bindings). It is recommended to prefix the name with some unique " +"string to avoid collisions with other users." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1692 +msgid "To retrieve the pointer, use:" +msgstr "" + +# type: verbatim +#: ../src/guestfs.pod:1694 +#, no-wrap +msgid "" +" void *guestfs_get_private (guestfs_h *g, const char *key);\n" +"\n" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1696 +msgid "" +"This function returns C if either no data is found associated with " +"C, or if the user previously set the C's C pointer to " +"C." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1700 +msgid "" +"Libguestfs does not try to look at or interpret the C pointer in any " +"way. As far as libguestfs is concerned, it need not be a valid pointer at " +"all. In particular, libguestfs does I try to free the data when the " +"handle is closed. If the data must be freed, then the caller must either " +"free it before calling L or must set up a close callback to " +"do it (see L, and note that only one callback " +"can be registered for a handle)." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1708 +msgid "" +"The private data area is implemented using a hash table, and should be " +"reasonably efficient for moderate numbers of keys." +msgstr "" + +# type: =end +#: ../src/guestfs.pod:1711 ../src/guestfs.pod:1716 +msgid "html" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1713 +msgid "" +" " +msgstr "" + +# type: =head1 +#: ../src/guestfs.pod:1718 +msgid "ARCHITECTURE" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1720 +msgid "" +"Internally, libguestfs is implemented by running an appliance (a special " +"type of small virtual machine) using L. Qemu runs as a child " +"process of the main program." +msgstr "" + +# type: verbatim +#: ../src/guestfs.pod:1724 +#, no-wrap +msgid "" +" ___________________\n" +" / \\\n" +" | main program |\n" +" | |\n" +" | | child process / appliance\n" +" | | __________________________\n" +" | | / qemu \\\n" +" +-------------------+ RPC | +-----------------+ |\n" +" | libguestfs <--------------------> guestfsd | |\n" +" | | | +-----------------+ |\n" +" \\___________________/ | | Linux kernel | |\n" +" | +--^--------------+ |\n" +" \\_________|________________/\n" +" |\n" +" _______v______\n" +" / \\\n" +" | Device or |\n" +" | disk image |\n" +" \\______________/\n" +"\n" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1744 +msgid "" +"The library, linked to the main program, creates the child process and hence " +"the appliance in the L function." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1747 +msgid "" +"Inside the appliance is a Linux kernel and a complete stack of userspace " +"tools (such as LVM and ext2 programs) and a small controlling daemon called " +"L. The library talks to L using remote procedure " +"calls (RPC). There is a mostly one-to-one correspondence between libguestfs " +"API calls and RPC calls to the daemon. Lastly the disk image(s) are " +"attached to the qemu process which translates device access by the " +"appliance's Linux kernel into accesses to the image." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1756 +msgid "" +"A common misunderstanding is that the appliance \"is\" the virtual machine. " +"Although the disk image you are attached to might also be used by some " +"virtual machine, libguestfs doesn't know or care about this. (But you will " +"care if both libguestfs's qemu process and your virtual machine are trying " +"to update the disk image at the same time, since these usually results in " +"massive disk corruption)." +msgstr "" + +# type: =head1 +#: ../src/guestfs.pod:1763 +msgid "STATE MACHINE" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1765 +msgid "libguestfs uses a state machine to model the child process:" +msgstr "" + +# type: verbatim +#: ../src/guestfs.pod:1767 +#, no-wrap +msgid "" +" |\n" +" guestfs_create\n" +" |\n" +" |\n" +" ____V_____\n" +" / \\\n" +" | CONFIG |\n" +" \\__________/\n" +" ^ ^ ^ \\\n" +" / | \\ \\ guestfs_launch\n" +" / | _\\__V______\n" +" / | / \\\n" +" / | | LAUNCHING |\n" +" / | \\___________/\n" +" / | /\n" +" / | guestfs_launch\n" +" / | /\n" +" ______ / __|____V\n" +" / \\ ------> / \\\n" +" | BUSY | | READY |\n" +" \\______/ <------ \\________/\n" +"\n" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1789 +msgid "" +"The normal transitions are (1) CONFIG (when the handle is created, but there " +"is no child process), (2) LAUNCHING (when the child process is booting up), " +"(3) alternating between READY and BUSY as commands are issued to, and " +"carried out by, the child process." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1794 +msgid "" +"The guest may be killed by L, or may die " +"asynchronously at any time (eg. due to some internal error), and that causes " +"the state to transition back to CONFIG." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1798 +msgid "" +"Configuration commands for qemu such as L can only be " +"issued when in the CONFIG state." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1801 +msgid "" +"The API offers one call that goes from CONFIG through LAUNCHING to READY. " +"L blocks until the child process is READY to accept " +"commands (or until some failure or timeout). L internally " +"moves the state from CONFIG to LAUNCHING while it is running." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1807 +msgid "" +"API actions such as L can only be issued when in the READY " +"state. These API calls block waiting for the command to be carried out (ie. " +"the state to transition to BUSY and then back to READY). There are no non-" +"blocking versions, and no way to issue more than one command per handle at " +"the same time." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1813 +msgid "" +"Finally, the child process sends asynchronous messages back to the main " +"program, such as kernel log messages. You can register a callback to " +"receive these messages." +msgstr "" + +# type: =head1 +#: ../src/guestfs.pod:1817 +msgid "INTERNALS" +msgstr "" + +# type: =head2 +#: ../src/guestfs.pod:1819 +msgid "COMMUNICATION PROTOCOL" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1821 +msgid "" +"Don't rely on using this protocol directly. This section documents how it " +"currently works, but it may change at any time." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1824 +msgid "" +"The protocol used to talk between the library and the daemon running inside " +"the qemu virtual machine is a simple RPC mechanism built on top of XDR (RFC " +"1014, RFC 1832, RFC 4506)." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1828 +msgid "" +"The detailed format of structures is in C (note: " +"this file is automatically generated)." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1831 +msgid "" +"There are two broad cases, ordinary functions that don't have any C " +"and C parameters, which are handled with very simple request/reply " +"messages. Then there are functions that have any C or C " +"parameters, which use the same request and reply messages, but they may also " +"be followed by files sent using a chunked encoding." +msgstr "" + +# type: =head3 +#: ../src/guestfs.pod:1838 +msgid "ORDINARY FUNCTIONS (NO FILEIN/FILEOUT PARAMS)" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1840 +msgid "For ordinary functions, the request message is:" +msgstr "" + +# type: verbatim +#: ../src/guestfs.pod:1842 +#, no-wrap +msgid "" +" total length (header + arguments,\n" +" but not including the length word itself)\n" +" struct guestfs_message_header (encoded as XDR)\n" +" struct guestfs__args (encoded as XDR)\n" +"\n" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1847 +msgid "" +"The total length field allows the daemon to allocate a fixed size buffer " +"into which it slurps the rest of the message. As a result, the total length " +"is limited to C bytes (currently 4MB), which means the " +"effective size of any request is limited to somewhere under this size." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1853 +msgid "" +"Note also that many functions don't take any arguments, in which case the " +"C_args> is completely omitted." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1856 +msgid "" +"The header contains the procedure number (C) which is how the " +"receiver knows what type of args structure to expect, or none at all." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1860 +msgid "The reply message for ordinary functions is:" +msgstr "" + +# type: verbatim +#: ../src/guestfs.pod:1862 +#, no-wrap +msgid "" +" total length (header + ret,\n" +" but not including the length word itself)\n" +" struct guestfs_message_header (encoded as XDR)\n" +" struct guestfs__ret (encoded as XDR)\n" +"\n" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1867 +msgid "" +"As above the C_ret> structure may be completely omitted for " +"functions that return no formal return values." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1870 +msgid "" +"As above the total length of the reply is limited to C." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1873 +msgid "" +"In the case of an error, a flag is set in the header, and the reply message " +"is slightly changed:" +msgstr "" + +# type: verbatim +#: ../src/guestfs.pod:1876 +#, no-wrap +msgid "" +" total length (header + error,\n" +" but not including the length word itself)\n" +" struct guestfs_message_header (encoded as XDR)\n" +" struct guestfs_message_error (encoded as XDR)\n" +"\n" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1881 +msgid "" +"The C structure contains the error message as a " +"string." +msgstr "" + +# type: =head3 +#: ../src/guestfs.pod:1884 +msgid "FUNCTIONS THAT HAVE FILEIN PARAMETERS" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1886 +msgid "" +"A C parameter indicates that we transfer a file I the guest. " +"The normal request message is sent (see above). However this is followed by " +"a sequence of file chunks." +msgstr "" + +# type: verbatim +#: ../src/guestfs.pod:1890 +#, no-wrap +msgid "" +" total length (header + arguments,\n" +" but not including the length word itself,\n" +" and not including the chunks)\n" +" struct guestfs_message_header (encoded as XDR)\n" +" struct guestfs__args (encoded as XDR)\n" +" sequence of chunks for FileIn param #0\n" +" sequence of chunks for FileIn param #1 etc.\n" +"\n" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1898 +msgid "The \"sequence of chunks\" is:" +msgstr "" + +# type: verbatim +#: ../src/guestfs.pod:1900 +#, no-wrap +msgid "" +" length of chunk (not including length word itself)\n" +" struct guestfs_chunk (encoded as XDR)\n" +" length of chunk\n" +" struct guestfs_chunk (encoded as XDR)\n" +" ...\n" +" length of chunk\n" +" struct guestfs_chunk (with data.data_len == 0)\n" +"\n" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1908 +msgid "" +"The final chunk has the C field set to zero. Additionally a flag " +"is set in the final chunk to indicate either successful completion or early " +"cancellation." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1912 +msgid "" +"At time of writing there are no functions that have more than one FileIn " +"parameter. However this is (theoretically) supported, by sending the " +"sequence of chunks for each FileIn parameter one after another (from left to " +"right)." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1917 +msgid "" +"Both the library (sender) I the daemon (receiver) may cancel the " +"transfer. The library does this by sending a chunk with a special flag set " +"to indicate cancellation. When the daemon sees this, it cancels the whole " +"RPC, does I send any reply, and goes back to reading the next request." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1923 +msgid "" +"The daemon may also cancel. It does this by writing a special word " +"C to the socket. The library listens for this during " +"the transfer, and if it gets it, it will cancel the transfer (it sends a " +"cancel chunk). The special word is chosen so that even if cancellation " +"happens right at the end of the transfer (after the library has finished " +"writing and has started listening for the reply), the \"spurious\" cancel " +"flag will not be confused with the reply message." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1932 +msgid "" +"This protocol allows the transfer of arbitrary sized files (no 32 bit " +"limit), and also files where the size is not known in advance (eg. from " +"pipes or sockets). However the chunks are rather small " +"(C), so that neither the library nor the daemon need " +"to keep much in memory." +msgstr "" + +# type: =head3 +#: ../src/guestfs.pod:1938 +msgid "FUNCTIONS THAT HAVE FILEOUT PARAMETERS" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1940 +msgid "" +"The protocol for FileOut parameters is exactly the same as for FileIn " +"parameters, but with the roles of daemon and library reversed." +msgstr "" + +# type: verbatim +#: ../src/guestfs.pod:1943 +#, no-wrap +msgid "" +" total length (header + ret,\n" +" but not including the length word itself,\n" +" and not including the chunks)\n" +" struct guestfs_message_header (encoded as XDR)\n" +" struct guestfs__ret (encoded as XDR)\n" +" sequence of chunks for FileOut param #0\n" +" sequence of chunks for FileOut param #1 etc.\n" +"\n" +msgstr "" + +# type: =head3 +#: ../src/guestfs.pod:1951 +msgid "INITIAL MESSAGE" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1953 +msgid "" +"When the daemon launches it sends an initial word (C) " +"which indicates that the guest and daemon is alive. This is what L waits for." +msgstr "" + +# type: =head3 +#: ../src/guestfs.pod:1957 +msgid "PROGRESS NOTIFICATION MESSAGES" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1959 +msgid "" +"The daemon may send progress notification messages at any time. These are " +"distinguished by the normal length word being replaced by " +"C, followed by a fixed size progress message." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1963 +msgid "" +"The library turns them into progress callbacks (see " +"C) if there is a callback registered, or " +"discards them if not." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1967 +msgid "" +"The daemon self-limits the frequency of progress messages it sends (see " +"C). Not all calls generate progress " +"messages." +msgstr "" + +# type: =head1 +#: ../src/guestfs.pod:1971 +msgid "LIBGUESTFS VERSION NUMBERS" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1973 +msgid "" +"Since April 2010, libguestfs has started to make separate development and " +"stable releases, along with corresponding branches in our git repository. " +"These separate releases can be identified by version number:" +msgstr "" + +# type: verbatim +#: ../src/guestfs.pod:1978 +#, no-wrap +msgid "" +" even numbers for stable: 1.2.x, 1.4.x, ...\n" +" .-------- odd numbers for development: 1.3.x, 1.5.x, ...\n" +" |\n" +" v\n" +" 1 . 3 . 5\n" +" ^ ^\n" +" | |\n" +" | `-------- sub-version\n" +" |\n" +" `------ always '1' because we don't change the ABI\n" +"\n" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1989 +msgid "Thus \"1.3.5\" is the 5th update to the development branch \"1.3\"." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1991 +msgid "" +"As time passes we cherry pick fixes from the development branch and backport " +"those into the stable branch, the effect being that the stable branch should " +"get more stable and less buggy over time. So the stable releases are ideal " +"for people who don't need new features but would just like the software to " +"work." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:1997 +msgid "Our criteria for backporting changes are:" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:2003 +msgid "" +"Documentation changes which don't affect any code are backported unless the " +"documentation refers to a future feature which is not in stable." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:2009 +msgid "" +"Bug fixes which are not controversial, fix obvious problems, and have been " +"well tested are backported." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:2014 +msgid "" +"Simple rearrangements of code which shouldn't affect how it works get " +"backported. This is so that the code in the two branches doesn't get too " +"far out of step, allowing us to backport future fixes more easily." msgstr "" # type: textblock -#: ../src/guestfs.pod:1451 +#: ../src/guestfs.pod:2020 msgid "" -"Therefore libguestfs defines C as the I. " -"Internally C names are translated, if necessary, to other names as " -"required. For example, under RHEL 5 which uses the C scheme, any " -"device parameter C is translated to C transparently." +"We I backport new features, new APIs, new tools etc, except in one " +"exceptional case: the new feature is required in order to implement an " +"important bug fix." msgstr "" # type: textblock -#: ../src/guestfs.pod:1457 +#: ../src/guestfs.pod:2026 msgid "" -"Note that this I applies to parameters. The L, " -"L and similar calls return the true names of the " -"devices and partitions as known to the appliance." +"A new stable branch starts when we think the new features in development are " +"substantial and compelling enough over the current stable branch to warrant " +"it. When that happens we create new stable and development versions 1.N.0 " +"and 1.(N+1).0 [N is even]. The new dot-oh release won't necessarily be so " +"stable at this point, but by backporting fixes from development, that branch " +"will stabilize over time." msgstr "" -# type: =head2 -#: ../src/guestfs.pod:1462 -msgid "ALGORITHM FOR BLOCK DEVICE NAME TRANSLATION" +# type: =head1 +#: ../src/guestfs.pod:2034 ../fish/guestfish.pod:914 +#: ../test-tool/libguestfs-test-tool.pod:104 ../tools/virt-edit.pl:330 +#: ../tools/virt-rescue.pl:255 +msgid "ENVIRONMENT VARIABLES" +msgstr "" + +# type: =item +#: ../src/guestfs.pod:2038 ../fish/guestfish.pod:940 +msgid "LIBGUESTFS_APPEND" msgstr "" # type: textblock -#: ../src/guestfs.pod:1464 -msgid "" -"Usually this translation is transparent. However in some (very rare) cases " -"you may need to know the exact algorithm. Such cases include where you use " -"L to add a mixture of virtio and IDE devices to the qemu-" -"based appliance, so have a mixture of C and C devices." +#: ../src/guestfs.pod:2040 ../fish/guestfish.pod:942 +msgid "Pass additional options to the guest kernel." +msgstr "" + +# type: =item +#: ../src/guestfs.pod:2042 ../fish/guestfish.pod:944 +msgid "LIBGUESTFS_DEBUG" msgstr "" # type: textblock -#: ../src/guestfs.pod:1470 +#: ../src/guestfs.pod:2044 msgid "" -"The algorithm is applied only to I which are known to be either " -"device or partition names. Return values from functions such as L are never changed." +"Set C to enable verbose messages. This has the same " +"effect as calling C." msgstr "" -# type: textblock -#: ../src/guestfs.pod:1478 -msgid "Is the string a parameter which is a device or partition name?" +# type: =item +#: ../src/guestfs.pod:2047 ../fish/guestfish.pod:949 +msgid "LIBGUESTFS_MEMSIZE" msgstr "" # type: textblock -#: ../src/guestfs.pod:1482 -msgid "Does the string begin with C?" +#: ../src/guestfs.pod:2049 ../fish/guestfish.pod:951 +msgid "" +"Set the memory allocated to the qemu process, in megabytes. For example:" msgstr "" -# type: textblock -#: ../src/guestfs.pod:1486 +# type: verbatim +#: ../src/guestfs.pod:2052 ../fish/guestfish.pod:954 +#, no-wrap msgid "" -"Does the named device exist? If so, we use that device. However if I " -"then we continue with this algorithm." +" LIBGUESTFS_MEMSIZE=700\n" +"\n" msgstr "" -# type: textblock -#: ../src/guestfs.pod:1491 -msgid "Replace initial C string with C." +# type: =item +#: ../src/guestfs.pod:2054 ../fish/guestfish.pod:956 +msgid "LIBGUESTFS_PATH" msgstr "" # type: textblock -#: ../src/guestfs.pod:1493 -msgid "For example, change C to C." +#: ../src/guestfs.pod:2056 +msgid "" +"Set the path that libguestfs uses to search for kernel and initrd.img. See " +"the discussion of paths in section PATH above." msgstr "" -# type: textblock -#: ../src/guestfs.pod:1495 -msgid "If that named device exists, use it. If not, continue." +# type: =item +#: ../src/guestfs.pod:2059 ../fish/guestfish.pod:961 +msgid "LIBGUESTFS_QEMU" msgstr "" # type: textblock -#: ../src/guestfs.pod:1499 -msgid "Replace initial C string with C." +#: ../src/guestfs.pod:2061 ../fish/guestfish.pod:963 +msgid "" +"Set the default qemu binary that libguestfs uses. If not set, then the qemu " +"which was found at compile time by the configure script is used." msgstr "" # type: textblock -#: ../src/guestfs.pod:1501 -msgid "If that named device exists, use it. If not, return an error." +#: ../src/guestfs.pod:2065 +msgid "See also L above." msgstr "" -# type: =head2 -#: ../src/guestfs.pod:1505 -msgid "PORTABILITY CONCERNS" +# type: =item +#: ../src/guestfs.pod:2067 ../fish/guestfish.pod:967 +msgid "LIBGUESTFS_TRACE" msgstr "" # type: textblock -#: ../src/guestfs.pod:1507 +#: ../src/guestfs.pod:2069 msgid "" -"Although the standard naming scheme and automatic translation is useful for " -"simple programs and guestfish scripts, for larger programs it is best not to " -"rely on this mechanism." +"Set C to enable command traces. This has the same " +"effect as calling C." +msgstr "" + +# type: =item +#: ../src/guestfs.pod:2072 ../fish/guestfish.pod:976 +msgid "TMPDIR" msgstr "" # type: textblock -#: ../src/guestfs.pod:1511 -msgid "" -"Where possible for maximum future portability programs using libguestfs " -"should use these future-proof techniques:" +#: ../src/guestfs.pod:2074 ../fish/guestfish.pod:978 +msgid "Location of temporary directory, defaults to C." msgstr "" # type: textblock -#: ../src/guestfs.pod:1518 +#: ../src/guestfs.pod:2076 ../fish/guestfish.pod:980 msgid "" -"Use L or L to list actual " -"device names, and then use those names directly." +"If libguestfs was compiled to use the supermin appliance then the real " +"appliance is cached in this directory, shared between all handles belonging " +"to the same EUID. You can use C<$TMPDIR> to configure another directory to " +"use in case C is not large enough." +msgstr "" + +# type: =head1 +#: ../src/guestfs.pod:2084 ../fish/guestfish.pod:1038 +#: ../test-tool/libguestfs-test-tool.pod:109 ../fuse/guestmount.pod:233 +#: ../tools/virt-edit.pl:350 ../tools/virt-win-reg.pl:484 +#: ../tools/virt-df.pl:640 ../tools/virt-ls.pl:232 +#: ../tools/virt-resize.pl:1486 ../tools/virt-list-filesystems.pl:186 +#: ../tools/virt-tar.pl:281 ../tools/virt-rescue.pl:267 +#: ../tools/virt-make-fs.pl:534 ../tools/virt-list-partitions.pl:254 +msgid "SEE ALSO" msgstr "" # type: textblock -#: ../src/guestfs.pod:1521 +#: ../src/guestfs.pod:2086 msgid "" -"Since those device names exist by definition, they will never be translated." +"L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, " +"L." msgstr "" # type: textblock -#: ../src/guestfs.pod:1526 +#: ../src/guestfs.pod:2104 msgid "" -"Use higher level ways to identify filesystems, such as LVM names, UUIDs and " -"filesystem labels." +"Tools with a similar purpose: L, L, L, L, L." msgstr "" # type: =head1 -#: ../src/guestfs.pod:1531 -msgid "INTERNALS" +#: ../src/guestfs.pod:2111 ../tools/virt-win-reg.pl:499 +#: ../tools/virt-make-fs.pl:548 +msgid "BUGS" msgstr "" -# type: =head2 -#: ../src/guestfs.pod:1533 -msgid "COMMUNICATION PROTOCOL" +# type: textblock +#: ../src/guestfs.pod:2113 +msgid "To get a list of bugs against libguestfs use this link:" msgstr "" # type: textblock -#: ../src/guestfs.pod:1535 +#: ../src/guestfs.pod:2115 msgid "" -"Don't rely on using this protocol directly. This section documents how it " -"currently works, but it may change at any time." +"L" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:2117 +msgid "To report a new bug against libguestfs use this link:" msgstr "" # type: textblock -#: ../src/guestfs.pod:1538 +#: ../src/guestfs.pod:2119 msgid "" -"The protocol used to talk between the library and the daemon running inside " -"the qemu virtual machine is a simple RPC mechanism built on top of XDR (RFC " -"1014, RFC 1832, RFC 4506)." +"L" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:2121 +msgid "When reporting a bug, please check:" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:2127 +msgid "That the bug hasn't been reported already." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:2131 +msgid "That you are testing a recent version." +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:2135 +msgid "Describe the bug accurately, and give a way to reproduce it." msgstr "" # type: textblock -#: ../src/guestfs.pod:1542 +#: ../src/guestfs.pod:2139 msgid "" -"The detailed format of structures is in C (note: " -"this file is automatically generated)." +"Run libguestfs-test-tool and paste the B output into the " +"bug report." +msgstr "" + +# type: =head1 +#: ../src/guestfs.pod:2144 ../fish/guestfish.pod:1055 +#: ../test-tool/libguestfs-test-tool.pod:115 ../fuse/guestmount.pod:244 +msgid "AUTHORS" msgstr "" # type: textblock -#: ../src/guestfs.pod:1545 +#: ../src/guestfs.pod:2146 ../fish/guestfish.pod:1057 +#: ../test-tool/libguestfs-test-tool.pod:117 ../fuse/guestmount.pod:246 +msgid "Richard W.M. Jones (C)" +msgstr "" + +# type: =head1 +#: ../src/guestfs.pod:2148 ../fish/guestfish.pod:1059 +#: ../test-tool/libguestfs-test-tool.pod:119 ../fuse/guestmount.pod:248 +#: ../tools/virt-edit.pl:366 ../tools/virt-win-reg.pl:514 +#: ../tools/virt-df.pl:653 ../tools/virt-ls.pl:247 +#: ../tools/virt-resize.pl:1512 ../tools/virt-list-filesystems.pl:202 +#: ../tools/virt-tar.pl:296 ../tools/virt-rescue.pl:281 +#: ../tools/virt-make-fs.pl:563 ../tools/virt-list-partitions.pl:269 +msgid "COPYRIGHT" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:2150 ../fish/guestfish.pod:1061 +#: ../fuse/guestmount.pod:250 +msgid "Copyright (C) 2009-2010 Red Hat Inc. L" +msgstr "" + +# type: textblock +#: ../src/guestfs.pod:2153 msgid "" -"There are two broad cases, ordinary functions that don't have any C " -"and C parameters, which are handled with very simple request/reply " -"messages. Then there are functions that have any C or C " -"parameters, which use the same request and reply messages, but they may also " -"be followed by files sent using a chunked encoding." +"This library is free software; you can redistribute it and/or modify it " +"under the terms of the GNU Lesser General Public License as published by the " +"Free Software Foundation; either version 2 of the License, or (at your " +"option) any later version." msgstr "" -# type: =head3 -#: ../src/guestfs.pod:1552 -msgid "ORDINARY FUNCTIONS (NO FILEIN/FILEOUT PARAMS)" +# type: textblock +#: ../src/guestfs.pod:2158 +msgid "" +"This library is distributed in the hope that it will be useful, but WITHOUT " +"ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or " +"FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License " +"for more details." msgstr "" # type: textblock -#: ../src/guestfs.pod:1554 -msgid "For ordinary functions, the request message is:" +#: ../src/guestfs.pod:2163 +msgid "" +"You should have received a copy of the GNU Lesser General Public License " +"along with this library; if not, write to the Free Software Foundation, " +"Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA" +msgstr "" + +# type: =head2 +#: ../src/guestfs-actions.pod:1 +msgid "guestfs_add_cdrom" msgstr "" # type: verbatim -#: ../src/guestfs.pod:1556 +#: ../src/guestfs-actions.pod:3 #, no-wrap msgid "" -" total length (header + arguments,\n" -" but not including the length word itself)\n" -" struct guestfs_message_header (encoded as XDR)\n" -" struct guestfs__args (encoded as XDR)\n" +" int\n" +" guestfs_add_cdrom (guestfs_h *g,\n" +" const char *filename);\n" "\n" msgstr "" # type: textblock -#: ../src/guestfs.pod:1561 +#: ../src/guestfs-actions.pod:7 ../fish/guestfish-actions.pod:5 +msgid "This function adds a virtual CD-ROM disk image to the guest." +msgstr "" + +# type: textblock +#: ../src/guestfs-actions.pod:9 ../fish/guestfish-actions.pod:7 +msgid "This is equivalent to the qemu parameter C<-cdrom filename>." +msgstr "" + +# type: textblock +#: ../src/guestfs-actions.pod:17 msgid "" -"The total length field allows the daemon to allocate a fixed size buffer " -"into which it slurps the rest of the message. As a result, the total length " -"is limited to C bytes (currently 4MB), which means the " -"effective size of any request is limited to somewhere under this size." +"This call checks for the existence of C. This stops you from " +"specifying other types of drive which are supported by qemu such as C " +"and C URLs. To specify those, use the general C call " +"instead." msgstr "" # type: textblock -#: ../src/guestfs.pod:1567 +#: ../src/guestfs-actions.pod:24 msgid "" -"Note also that many functions don't take any arguments, in which case the " -"C_args> is completely omitted." +"If you just want to add an ISO file (often you use this as an efficient way " +"to transfer large files into the guest), then you should probably use " +"C instead." +msgstr "" + +# type: textblock +#: ../src/guestfs-actions.pod:30 ../src/guestfs-actions.pod:126 +#: ../src/guestfs-actions.pod:187 ../src/guestfs-actions.pod:224 +#: ../src/guestfs-actions.pod:238 ../src/guestfs-actions.pod:259 +#: ../src/guestfs-actions.pod:279 ../src/guestfs-actions.pod:293 +#: ../src/guestfs-actions.pod:408 ../src/guestfs-actions.pod:428 +#: ../src/guestfs-actions.pod:442 ../src/guestfs-actions.pod:487 +#: ../src/guestfs-actions.pod:515 ../src/guestfs-actions.pod:533 +#: ../src/guestfs-actions.pod:600 ../src/guestfs-actions.pod:633 +#: ../src/guestfs-actions.pod:647 ../src/guestfs-actions.pod:662 +#: ../src/guestfs-actions.pod:761 ../src/guestfs-actions.pod:779 +#: ../src/guestfs-actions.pod:793 ../src/guestfs-actions.pod:807 +#: ../src/guestfs-actions.pod:968 ../src/guestfs-actions.pod:988 +#: ../src/guestfs-actions.pod:1006 ../src/guestfs-actions.pod:1090 +#: ../src/guestfs-actions.pod:1108 ../src/guestfs-actions.pod:1127 +#: ../src/guestfs-actions.pod:1141 ../src/guestfs-actions.pod:1161 +#: ../src/guestfs-actions.pod:1231 ../src/guestfs-actions.pod:1262 +#: ../src/guestfs-actions.pod:1287 ../src/guestfs-actions.pod:1324 +#: ../src/guestfs-actions.pod:1430 ../src/guestfs-actions.pod:1464 +#: ../src/guestfs-actions.pod:1682 ../src/guestfs-actions.pod:1704 +#: ../src/guestfs-actions.pod:1791 ../src/guestfs-actions.pod:2213 +#: ../src/guestfs-actions.pod:2357 ../src/guestfs-actions.pod:2418 +#: ../src/guestfs-actions.pod:2453 ../src/guestfs-actions.pod:3182 +#: ../src/guestfs-actions.pod:3197 ../src/guestfs-actions.pod:3217 +#: ../src/guestfs-actions.pod:3342 ../src/guestfs-actions.pod:3356 +#: ../src/guestfs-actions.pod:3369 ../src/guestfs-actions.pod:3383 +#: ../src/guestfs-actions.pod:3398 ../src/guestfs-actions.pod:3434 +#: ../src/guestfs-actions.pod:3506 ../src/guestfs-actions.pod:3526 +#: ../src/guestfs-actions.pod:3543 ../src/guestfs-actions.pod:3566 +#: ../src/guestfs-actions.pod:3589 ../src/guestfs-actions.pod:3621 +#: ../src/guestfs-actions.pod:3640 ../src/guestfs-actions.pod:3659 +#: ../src/guestfs-actions.pod:3694 ../src/guestfs-actions.pod:3706 +#: ../src/guestfs-actions.pod:3742 ../src/guestfs-actions.pod:3758 +#: ../src/guestfs-actions.pod:3771 ../src/guestfs-actions.pod:3786 +#: ../src/guestfs-actions.pod:3803 ../src/guestfs-actions.pod:3896 +#: ../src/guestfs-actions.pod:3916 ../src/guestfs-actions.pod:3929 +#: ../src/guestfs-actions.pod:3980 ../src/guestfs-actions.pod:3998 +#: ../src/guestfs-actions.pod:4016 ../src/guestfs-actions.pod:4032 +#: ../src/guestfs-actions.pod:4046 ../src/guestfs-actions.pod:4060 +#: ../src/guestfs-actions.pod:4077 ../src/guestfs-actions.pod:4092 +#: ../src/guestfs-actions.pod:4112 ../src/guestfs-actions.pod:4161 +#: ../src/guestfs-actions.pod:4192 ../src/guestfs-actions.pod:4211 +#: ../src/guestfs-actions.pod:4230 ../src/guestfs-actions.pod:4242 +#: ../src/guestfs-actions.pod:4259 ../src/guestfs-actions.pod:4272 +#: ../src/guestfs-actions.pod:4287 ../src/guestfs-actions.pod:4302 +#: ../src/guestfs-actions.pod:4337 ../src/guestfs-actions.pod:4352 +#: ../src/guestfs-actions.pod:4372 ../src/guestfs-actions.pod:4386 +#: ../src/guestfs-actions.pod:4403 ../src/guestfs-actions.pod:4452 +#: ../src/guestfs-actions.pod:4489 ../src/guestfs-actions.pod:4503 +#: ../src/guestfs-actions.pod:4531 ../src/guestfs-actions.pod:4548 +#: ../src/guestfs-actions.pod:4566 ../src/guestfs-actions.pod:4700 +#: ../src/guestfs-actions.pod:4757 ../src/guestfs-actions.pod:4779 +#: ../src/guestfs-actions.pod:4797 ../src/guestfs-actions.pod:4829 +#: ../src/guestfs-actions.pod:4895 ../src/guestfs-actions.pod:4912 +#: ../src/guestfs-actions.pod:4925 ../src/guestfs-actions.pod:4939 +#: ../src/guestfs-actions.pod:5228 ../src/guestfs-actions.pod:5247 +#: ../src/guestfs-actions.pod:5261 ../src/guestfs-actions.pod:5273 +#: ../src/guestfs-actions.pod:5287 ../src/guestfs-actions.pod:5299 +#: ../src/guestfs-actions.pod:5313 ../src/guestfs-actions.pod:5329 +#: ../src/guestfs-actions.pod:5350 ../src/guestfs-actions.pod:5369 +#: ../src/guestfs-actions.pod:5388 ../src/guestfs-actions.pod:5406 +#: ../src/guestfs-actions.pod:5429 ../src/guestfs-actions.pod:5447 +#: ../src/guestfs-actions.pod:5466 ../src/guestfs-actions.pod:5487 +#: ../src/guestfs-actions.pod:5506 ../src/guestfs-actions.pod:5523 +#: ../src/guestfs-actions.pod:5551 ../src/guestfs-actions.pod:5575 +#: ../src/guestfs-actions.pod:5594 ../src/guestfs-actions.pod:5618 +#: ../src/guestfs-actions.pod:5633 ../src/guestfs-actions.pod:5648 +#: ../src/guestfs-actions.pod:5667 ../src/guestfs-actions.pod:5704 +#: ../src/guestfs-actions.pod:5727 ../src/guestfs-actions.pod:5753 +#: ../src/guestfs-actions.pod:5861 ../src/guestfs-actions.pod:5982 +#: ../src/guestfs-actions.pod:5994 ../src/guestfs-actions.pod:6007 +#: ../src/guestfs-actions.pod:6020 ../src/guestfs-actions.pod:6042 +#: ../src/guestfs-actions.pod:6055 ../src/guestfs-actions.pod:6068 +#: ../src/guestfs-actions.pod:6081 ../src/guestfs-actions.pod:6096 +#: ../src/guestfs-actions.pod:6155 ../src/guestfs-actions.pod:6172 +#: ../src/guestfs-actions.pod:6188 ../src/guestfs-actions.pod:6204 +#: ../src/guestfs-actions.pod:6221 ../src/guestfs-actions.pod:6234 +#: ../src/guestfs-actions.pod:6254 ../src/guestfs-actions.pod:6290 +#: ../src/guestfs-actions.pod:6304 ../src/guestfs-actions.pod:6345 +#: ../src/guestfs-actions.pod:6358 ../src/guestfs-actions.pod:6376 +#: ../src/guestfs-actions.pod:6405 ../src/guestfs-actions.pod:6436 +#: ../src/guestfs-actions.pod:6555 ../src/guestfs-actions.pod:6573 +#: ../src/guestfs-actions.pod:6587 ../src/guestfs-actions.pod:6642 +#: ../src/guestfs-actions.pod:6655 ../src/guestfs-actions.pod:6700 +#: ../src/guestfs-actions.pod:6733 ../src/guestfs-actions.pod:6787 +#: ../src/guestfs-actions.pod:6813 ../src/guestfs-actions.pod:6879 +#: ../src/guestfs-actions.pod:6898 ../src/guestfs-actions.pod:6927 +msgid "This function returns 0 on success or -1 on error." msgstr "" # type: textblock -#: ../src/guestfs.pod:1570 +#: ../src/guestfs-actions.pod:32 ../src/guestfs-actions.pod:240 +#: ../src/guestfs-actions.pod:261 ../fish/guestfish-actions.pod:28 +#: ../fish/guestfish-actions.pod:153 ../fish/guestfish-actions.pod:167 msgid "" -"The header contains the procedure number (C) which is how the " -"receiver knows what type of args structure to expect, or none at all." +"This function is deprecated. In new code, use the C call " +"instead." msgstr "" # type: textblock -#: ../src/guestfs.pod:1574 -msgid "The reply message for ordinary functions is:" +#: ../src/guestfs-actions.pod:35 ../src/guestfs-actions.pod:243 +#: ../src/guestfs-actions.pod:264 ../src/guestfs-actions.pod:1435 +#: ../src/guestfs-actions.pod:1921 ../src/guestfs-actions.pod:1942 +#: ../src/guestfs-actions.pod:6821 ../src/guestfs-actions.pod:6990 +#: ../fish/guestfish-actions.pod:31 ../fish/guestfish-actions.pod:156 +#: ../fish/guestfish-actions.pod:170 ../fish/guestfish-actions.pod:951 +#: ../fish/guestfish-actions.pod:1308 ../fish/guestfish-actions.pod:1322 +#: ../fish/guestfish-actions.pod:4549 ../fish/guestfish-actions.pod:4646 +msgid "" +"Deprecated functions will not be removed from the API, but the fact that " +"they are deprecated indicates that there are problems with correct use of " +"these functions." +msgstr "" + +# type: textblock +#: ../src/guestfs-actions.pod:39 ../src/guestfs-actions.pod:128 +#: ../src/guestfs-actions.pod:1092 ../src/guestfs-actions.pod:1893 +#: ../src/guestfs-actions.pod:1991 ../src/guestfs-actions.pod:2094 +#: ../src/guestfs-actions.pod:3184 ../src/guestfs-actions.pod:3199 +#: ../src/guestfs-actions.pod:4339 ../src/guestfs-actions.pod:5408 +#: ../src/guestfs-actions.pod:5525 ../src/guestfs-actions.pod:5635 +#: ../src/guestfs-actions.pod:6098 ../src/guestfs-actions.pod:6223 +#: ../src/guestfs-actions.pod:6735 +msgid "(Added in 0.3)" +msgstr "" + +# type: =head2 +#: ../src/guestfs-actions.pod:41 +msgid "guestfs_add_domain" +msgstr "" + +# type: verbatim +#: ../src/guestfs-actions.pod:43 +#, no-wrap +msgid "" +" int\n" +" guestfs_add_domain (guestfs_h *g,\n" +" const char *dom,\n" +" ...);\n" +"\n" +msgstr "" + +# type: textblock +#: ../src/guestfs-actions.pod:48 ../src/guestfs-actions.pod:137 +msgid "" +"You may supply a list of optional arguments to this call. Use zero or more " +"of the following pairs of parameters, and terminate the list with C<-1> on " +"its own. See L." msgstr "" # type: verbatim -#: ../src/guestfs.pod:1576 +#: ../src/guestfs-actions.pod:53 #, no-wrap msgid "" -" total length (header + ret,\n" -" but not including the length word itself)\n" -" struct guestfs_message_header (encoded as XDR)\n" -" struct guestfs__ret (encoded as XDR)\n" +" GUESTFS_ADD_DOMAIN_LIBVIRTURI, const char *libvirturi,\n" +" GUESTFS_ADD_DOMAIN_READONLY, int readonly,\n" +" GUESTFS_ADD_DOMAIN_IFACE, const char *iface,\n" "\n" msgstr "" # type: textblock -#: ../src/guestfs.pod:1581 +#: ../src/guestfs-actions.pod:57 msgid "" -"As above the C_ret> structure may be completely omitted for " -"functions that return no formal return values." +"This function adds the disk(s) attached to the named libvirt domain C. " +"It works by connecting to libvirt, requesting the domain and domain XML from " +"libvirt, parsing it for disks, and calling C on each " +"one." msgstr "" # type: textblock -#: ../src/guestfs.pod:1584 +#: ../src/guestfs-actions.pod:62 ../fish/guestfish-actions.pod:46 msgid "" -"As above the total length of the reply is limited to C." +"The number of disks added is returned. This operation is atomic: if an " +"error is returned, then no disks are added." msgstr "" # type: textblock -#: ../src/guestfs.pod:1587 +#: ../src/guestfs-actions.pod:65 ../fish/guestfish-actions.pod:49 msgid "" -"In the case of an error, a flag is set in the header, and the reply message " -"is slightly changed:" +"This function does some minimal checks to make sure the libvirt domain is " +"not running (unless C is true). In a future version we will try " +"to acquire the libvirt lock on each disk." msgstr "" -# type: verbatim -#: ../src/guestfs.pod:1590 -#, no-wrap +# type: textblock +#: ../src/guestfs-actions.pod:69 ../fish/guestfish-actions.pod:53 msgid "" -" total length (header + error,\n" -" but not including the length word itself)\n" -" struct guestfs_message_header (encoded as XDR)\n" -" struct guestfs_message_error (encoded as XDR)\n" -"\n" +"Disks must be accessible locally. This often means that adding disks from a " +"remote libvirt connection (see L) will fail " +"unless those disks are accessible via the same device path locally too." msgstr "" # type: textblock -#: ../src/guestfs.pod:1595 +#: ../src/guestfs-actions.pod:74 msgid "" -"The C structure contains the error message as a " -"string." +"The optional C parameter sets the libvirt URI (see L). If this is not set then we connect to the default " +"libvirt URI (or one set through an environment variable, see the libvirt " +"documentation for full details). If you are using the C API directly then " +"it is more flexible to create the libvirt connection object yourself, get " +"the domain object, and call C." msgstr "" -# type: =head3 -#: ../src/guestfs.pod:1598 -msgid "FUNCTIONS THAT HAVE FILEIN PARAMETERS" +# type: textblock +#: ../src/guestfs-actions.pod:82 +msgid "" +"The other optional parameters are passed directly through to " +"C." msgstr "" # type: textblock -#: ../src/guestfs.pod:1600 -msgid "" -"A C parameter indicates that we transfer a file I the guest. " -"The normal request message is sent (see above). However this is followed by " -"a sequence of file chunks." +#: ../src/guestfs-actions.pod:85 ../src/guestfs-actions.pod:336 +#: ../src/guestfs-actions.pod:501 ../src/guestfs-actions.pod:679 +#: ../src/guestfs-actions.pod:710 ../src/guestfs-actions.pod:728 +#: ../src/guestfs-actions.pod:747 ../src/guestfs-actions.pod:1307 +#: ../src/guestfs-actions.pod:1661 ../src/guestfs-actions.pod:1864 +#: ../src/guestfs-actions.pod:1963 ../src/guestfs-actions.pod:2003 +#: ../src/guestfs-actions.pod:2058 ../src/guestfs-actions.pod:2081 +#: ../src/guestfs-actions.pod:2344 ../src/guestfs-actions.pod:2630 +#: ../src/guestfs-actions.pod:2651 ../src/guestfs-actions.pod:4475 +#: ../src/guestfs-actions.pod:4603 ../src/guestfs-actions.pod:5009 +#: ../src/guestfs-actions.pod:5035 ../src/guestfs-actions.pod:6331 +#: ../src/guestfs-actions.pod:6746 ../src/guestfs-actions.pod:6759 +#: ../src/guestfs-actions.pod:6772 +msgid "On error this function returns -1." +msgstr "" + +# type: =head2 +#: ../src/guestfs-actions.pod:87 +msgid "guestfs_add_domain_va" msgstr "" # type: verbatim -#: ../src/guestfs.pod:1604 +#: ../src/guestfs-actions.pod:89 #, no-wrap msgid "" -" total length (header + arguments,\n" -" but not including the length word itself,\n" -" and not including the chunks)\n" -" struct guestfs_message_header (encoded as XDR)\n" -" struct guestfs__args (encoded as XDR)\n" -" sequence of chunks for FileIn param #0\n" -" sequence of chunks for FileIn param #1 etc.\n" +" int\n" +" guestfs_add_domain_va (guestfs_h *g,\n" +" const char *dom,\n" +" va_list args);\n" "\n" msgstr "" # type: textblock -#: ../src/guestfs.pod:1612 -msgid "The \"sequence of chunks\" is:" +#: ../src/guestfs-actions.pod:94 +msgid "This is the \"va_list variant\" of L." +msgstr "" + +# type: textblock +#: ../src/guestfs-actions.pod:96 ../src/guestfs-actions.pod:107 +#: ../src/guestfs-actions.pod:200 ../src/guestfs-actions.pod:211 +msgid "See L." +msgstr "" + +# type: =head2 +#: ../src/guestfs-actions.pod:98 +msgid "guestfs_add_domain_argv" msgstr "" # type: verbatim -#: ../src/guestfs.pod:1614 +#: ../src/guestfs-actions.pod:100 #, no-wrap msgid "" -" length of chunk (not including length word itself)\n" -" struct guestfs_chunk (encoded as XDR)\n" -" length of chunk\n" -" struct guestfs_chunk (encoded as XDR)\n" -" ...\n" -" length of chunk\n" -" struct guestfs_chunk (with data.data_len == 0)\n" +" int\n" +" guestfs_add_domain_argv (guestfs_h *g,\n" +" const char *dom,\n" +" const struct guestfs_add_domain_argv *optargs);\n" "\n" msgstr "" # type: textblock -#: ../src/guestfs.pod:1622 -msgid "" -"The final chunk has the C field set to zero. Additionally a flag " -"is set in the final chunk to indicate either successful completion or early " -"cancellation." +#: ../src/guestfs-actions.pod:105 +msgid "This is the \"argv variant\" of L." msgstr "" -# type: textblock -#: ../src/guestfs.pod:1626 -msgid "" -"At time of writing there are no functions that have more than one FileIn " -"parameter. However this is (theoretically) supported, by sending the " -"sequence of chunks for each FileIn parameter one after another (from left to " -"right)." +# type: =head2 +#: ../src/guestfs-actions.pod:109 +msgid "guestfs_add_drive" msgstr "" -# type: textblock -#: ../src/guestfs.pod:1631 +# type: verbatim +#: ../src/guestfs-actions.pod:111 +#, no-wrap msgid "" -"Both the library (sender) I the daemon (receiver) may cancel the " -"transfer. The library does this by sending a chunk with a special flag set " -"to indicate cancellation. When the daemon sees this, it cancels the whole " -"RPC, does I send any reply, and goes back to reading the next request." +" int\n" +" guestfs_add_drive (guestfs_h *g,\n" +" const char *filename);\n" +"\n" msgstr "" # type: textblock -#: ../src/guestfs.pod:1637 +#: ../src/guestfs-actions.pod:115 msgid "" -"The daemon may also cancel. It does this by writing a special word " -"C to the socket. The library listens for this during " -"the transfer, and if it gets it, it will cancel the transfer (it sends a " -"cancel chunk). The special word is chosen so that even if cancellation " -"happens right at the end of the transfer (after the library has finished " -"writing and has started listening for the reply), the \"spurious\" cancel " -"flag will not be confused with the reply message." +"This function is the equivalent of calling C with no " +"optional parameters, so the disk is added writable, with the format being " +"detected automatically." msgstr "" # type: textblock -#: ../src/guestfs.pod:1646 +#: ../src/guestfs-actions.pod:119 msgid "" -"This protocol allows the transfer of arbitrary sized files (no 32 bit " -"limit), and also files where the size is not known in advance (eg. from " -"pipes or sockets). However the chunks are rather small " -"(C), so that neither the library nor the daemon need " -"to keep much in memory." +"Automatic detection of the format opens you up to a potential security hole " +"when dealing with untrusted raw-format images. See CVE-2010-3851 and " +"RHBZ#642934. Specifying the format closes this security hole. Therefore " +"you should think about replacing calls to this function with calls to " +"C, and specifying the format." msgstr "" -# type: =head3 -#: ../src/guestfs.pod:1652 -msgid "FUNCTIONS THAT HAVE FILEOUT PARAMETERS" +# type: =head2 +#: ../src/guestfs-actions.pod:130 +msgid "guestfs_add_drive_opts" msgstr "" -# type: textblock -#: ../src/guestfs.pod:1654 +# type: verbatim +#: ../src/guestfs-actions.pod:132 +#, no-wrap msgid "" -"The protocol for FileOut parameters is exactly the same as for FileIn " -"parameters, but with the roles of daemon and library reversed." +" int\n" +" guestfs_add_drive_opts (guestfs_h *g,\n" +" const char *filename,\n" +" ...);\n" +"\n" msgstr "" # type: verbatim -#: ../src/guestfs.pod:1657 +#: ../src/guestfs-actions.pod:142 #, no-wrap msgid "" -" total length (header + ret,\n" -" but not including the length word itself,\n" -" and not including the chunks)\n" -" struct guestfs_message_header (encoded as XDR)\n" -" struct guestfs__ret (encoded as XDR)\n" -" sequence of chunks for FileOut param #0\n" -" sequence of chunks for FileOut param #1 etc.\n" +" GUESTFS_ADD_DRIVE_OPTS_READONLY, int readonly,\n" +" GUESTFS_ADD_DRIVE_OPTS_FORMAT, const char *format,\n" +" GUESTFS_ADD_DRIVE_OPTS_IFACE, const char *iface,\n" "\n" msgstr "" -# type: =head3 -#: ../src/guestfs.pod:1665 -msgid "INITIAL MESSAGE" -msgstr "" - # type: textblock -#: ../src/guestfs.pod:1667 +#: ../src/guestfs-actions.pod:146 ../fish/guestfish-actions.pod:92 msgid "" -"When the daemon launches it sends an initial word (C) " -"which indicates that the guest and daemon is alive. This is what L waits for." -msgstr "" - -# type: =head3 -#: ../src/guestfs.pod:1671 -msgid "PROGRESS NOTIFICATION MESSAGES" +"This function adds a virtual machine disk image C to libguestfs. " +"The first time you call this function, the disk appears as C, the " +"second time as C, and so on." msgstr "" # type: textblock -#: ../src/guestfs.pod:1673 +#: ../src/guestfs-actions.pod:151 ../fish/guestfish-actions.pod:97 msgid "" -"The daemon may send progress notification messages at any time. These are " -"distinguished by the normal length word being replaced by " -"C, followed by a fixed size progress message." +"You don't necessarily need to be root when using libguestfs. However you " +"obviously do need sufficient permissions to access the filename for whatever " +"operations you want to perform (ie. read access if you just want to read the " +"image or write access if you want to modify the image)." msgstr "" # type: textblock -#: ../src/guestfs.pod:1677 -msgid "" -"The library turns them into progress callbacks (see " -"C) if there is a callback registered, or " -"discards them if not." +#: ../src/guestfs-actions.pod:157 ../fish/guestfish-actions.pod:103 +msgid "This call checks that C exists." msgstr "" # type: textblock -#: ../src/guestfs.pod:1681 -msgid "" -"The daemon self-limits the frequency of progress messages it sends (see " -"C). Not all calls generate progress " -"messages." +#: ../src/guestfs-actions.pod:159 ../fish/guestfish-actions.pod:105 +msgid "The optional arguments are:" msgstr "" -# type: =head1 -#: ../src/guestfs.pod:1685 -msgid "MULTIPLE HANDLES AND MULTIPLE THREADS" +# type: =item +#: ../src/guestfs-actions.pod:163 ../fish/guestfish-actions.pod:109 +msgid "C" msgstr "" # type: textblock -#: ../src/guestfs.pod:1687 +#: ../src/guestfs-actions.pod:165 ../fish/guestfish-actions.pod:111 msgid "" -"All high-level libguestfs actions are synchronous. If you want to use " -"libguestfs asynchronously then you must create a thread." +"If true then the image is treated as read-only. Writes are still allowed, " +"but they are stored in a temporary snapshot overlay which is discarded at " +"the end. The disk that you add is not modified." +msgstr "" + +# type: =item +#: ../src/guestfs-actions.pod:169 ../fish/guestfish-actions.pod:115 +msgid "C" msgstr "" # type: textblock -#: ../src/guestfs.pod:1690 +#: ../src/guestfs-actions.pod:171 msgid "" -"Only use the handle from a single thread. Either use the handle exclusively " -"from one thread, or provide your own mutex so that two threads cannot issue " -"calls on the same handle at the same time." +"This forces the image format. If you omit this (or use C " +"or C) then the format is automatically detected. " +"Possible formats include C and C." msgstr "" # type: textblock -#: ../src/guestfs.pod:1694 +#: ../src/guestfs-actions.pod:175 ../fish/guestfish-actions.pod:121 msgid "" -"See the graphical program guestfs-browser for one possible architecture for " -"multithreaded programs using libvirt and libguestfs." +"Automatic detection of the format opens you up to a potential security hole " +"when dealing with untrusted raw-format images. See CVE-2010-3851 and " +"RHBZ#642934. Specifying the format closes this security hole." msgstr "" -# type: =head1 -#: ../src/guestfs.pod:1697 -msgid "QEMU WRAPPERS" +# type: =item +#: ../src/guestfs-actions.pod:180 ../fish/guestfish-actions.pod:126 +msgid "C" msgstr "" # type: textblock -#: ../src/guestfs.pod:1699 +#: ../src/guestfs-actions.pod:182 msgid "" -"If you want to compile your own qemu, run qemu from a non-standard location, " -"or pass extra arguments to qemu, then you can write a shell-script wrapper " -"around qemu." +"This rarely-used option lets you emulate the behaviour of the deprecated " +"C call (q.v.)" msgstr "" # type: textblock -#: ../src/guestfs.pod:1703 -msgid "" -"There is one important rule to remember: you I> as the " -"last command in the shell script (so that qemu replaces the shell and " -"becomes the direct child of the libguestfs-using program). If you don't do " -"this, then the qemu process won't be cleaned up correctly." +#: ../src/guestfs-actions.pod:189 +msgid "(Added in 1.5.23)" msgstr "" -# type: textblock -#: ../src/guestfs.pod:1708 -msgid "" -"Here is an example of a wrapper, where I have built my own copy of qemu from " -"source:" +# type: =head2 +#: ../src/guestfs-actions.pod:191 +msgid "guestfs_add_drive_opts_va" msgstr "" # type: verbatim -#: ../src/guestfs.pod:1711 +#: ../src/guestfs-actions.pod:193 #, no-wrap msgid "" -" #!/bin/sh -\n" -" qemudir=/home/rjones/d/qemu\n" -" exec $qemudir/x86_64-softmmu/qemu-system-x86_64 -L $qemudir/pc-bios \"$@\"\n" +" int\n" +" guestfs_add_drive_opts_va (guestfs_h *g,\n" +" const char *filename,\n" +" va_list args);\n" "\n" msgstr "" # type: textblock -#: ../src/guestfs.pod:1715 -msgid "" -"Save this script as C (or wherever), C, and " -"then use it by setting the LIBGUESTFS_QEMU environment variable. For " -"example:" +#: ../src/guestfs-actions.pod:198 +msgid "This is the \"va_list variant\" of L." +msgstr "" + +# type: =head2 +#: ../src/guestfs-actions.pod:202 +msgid "guestfs_add_drive_opts_argv" msgstr "" # type: verbatim -#: ../src/guestfs.pod:1719 +#: ../src/guestfs-actions.pod:204 #, no-wrap msgid "" -" LIBGUESTFS_QEMU=/tmp/qemu.wrapper guestfish\n" +" int\n" +" guestfs_add_drive_opts_argv (guestfs_h *g,\n" +" const char *filename,\n" +" const struct guestfs_add_drive_opts_argv *optargs);\n" "\n" msgstr "" # type: textblock -#: ../src/guestfs.pod:1721 -msgid "" -"Note that libguestfs also calls qemu with the -help and -version options in " -"order to determine features." -msgstr "" - -# type: =head1 -#: ../src/guestfs.pod:1724 -msgid "LIBGUESTFS VERSION NUMBERS" +#: ../src/guestfs-actions.pod:209 +msgid "This is the \"argv variant\" of L." msgstr "" -# type: textblock -#: ../src/guestfs.pod:1726 -msgid "" -"Since April 2010, libguestfs has started to make separate development and " -"stable releases, along with corresponding branches in our git repository. " -"These separate releases can be identified by version number:" +# type: =head2 +#: ../src/guestfs-actions.pod:213 +msgid "guestfs_add_drive_ro" msgstr "" # type: verbatim -#: ../src/guestfs.pod:1731 +#: ../src/guestfs-actions.pod:215 #, no-wrap msgid "" -" even numbers for stable: 1.2.x, 1.4.x, ...\n" -" .-------- odd numbers for development: 1.3.x, 1.5.x, ...\n" -" |\n" -" v\n" -" 1 . 3 . 5\n" -" ^ ^\n" -" | |\n" -" | `-------- sub-version\n" -" |\n" -" `------ always '1' because we don't change the ABI\n" +" int\n" +" guestfs_add_drive_ro (guestfs_h *g,\n" +" const char *filename);\n" "\n" msgstr "" # type: textblock -#: ../src/guestfs.pod:1742 -msgid "Thus \"1.3.5\" is the 5th update to the development branch \"1.3\"." -msgstr "" - -# type: textblock -#: ../src/guestfs.pod:1744 -msgid "" -"As time passes we cherry pick fixes from the development branch and backport " -"those into the stable branch, the effect being that the stable branch should " -"get more stable and less buggy over time. So the stable releases are ideal " -"for people who don't need new features but would just like the software to " -"work." -msgstr "" - -# type: textblock -#: ../src/guestfs.pod:1750 -msgid "Our criteria for backporting changes are:" +#: ../src/guestfs-actions.pod:219 +msgid "" +"This function is the equivalent of calling C with " +"the optional parameter C set to 1, so the " +"disk is added read-only, with the format being detected automatically." msgstr "" # type: textblock -#: ../src/guestfs.pod:1756 -msgid "" -"Documentation changes which don't affect any code are backported unless the " -"documentation refers to a future feature which is not in stable." +#: ../src/guestfs-actions.pod:226 +msgid "(Added in 1.0.38)" msgstr "" -# type: textblock -#: ../src/guestfs.pod:1762 -msgid "" -"Bug fixes which are not controversial, fix obvious problems, and have been " -"well tested are backported." +# type: =head2 +#: ../src/guestfs-actions.pod:228 +msgid "guestfs_add_drive_ro_with_if" msgstr "" -# type: textblock -#: ../src/guestfs.pod:1767 +# type: verbatim +#: ../src/guestfs-actions.pod:230 +#, no-wrap msgid "" -"Simple rearrangements of code which shouldn't affect how it works get " -"backported. This is so that the code in the two branches doesn't get too " -"far out of step, allowing us to backport future fixes more easily." +" int\n" +" guestfs_add_drive_ro_with_if (guestfs_h *g,\n" +" const char *filename,\n" +" const char *iface);\n" +"\n" msgstr "" # type: textblock -#: ../src/guestfs.pod:1773 +#: ../src/guestfs-actions.pod:235 msgid "" -"We I backport new features, new APIs, new tools etc, except in one " -"exceptional case: the new feature is required in order to implement an " -"important bug fix." +"This is the same as C but it allows you to specify the " +"QEMU interface emulation to use at run time." msgstr "" # type: textblock -#: ../src/guestfs.pod:1779 -msgid "" -"A new stable branch starts when we think the new features in development are " -"substantial and compelling enough over the current stable branch to warrant " -"it. When that happens we create new stable and development versions 1.N.0 " -"and 1.(N+1).0 [N is even]. The new dot-oh release won't necessarily be so " -"stable at this point, but by backporting fixes from development, that branch " -"will stabilize over time." +#: ../src/guestfs-actions.pod:247 ../src/guestfs-actions.pod:268 +#: ../src/guestfs-actions.pod:2303 +msgid "(Added in 1.0.84)" msgstr "" -# type: =head1 -#: ../src/guestfs.pod:1787 ../fish/guestfish.pod:867 -#: ../test-tool/libguestfs-test-tool.pod:104 ../tools/virt-edit.pl:330 -#: ../tools/virt-rescue.pl:245 -msgid "ENVIRONMENT VARIABLES" +# type: =head2 +#: ../src/guestfs-actions.pod:249 +msgid "guestfs_add_drive_with_if" msgstr "" -# type: =item -#: ../src/guestfs.pod:1791 ../fish/guestfish.pod:893 -msgid "LIBGUESTFS_APPEND" +# type: verbatim +#: ../src/guestfs-actions.pod:251 +#, no-wrap +msgid "" +" int\n" +" guestfs_add_drive_with_if (guestfs_h *g,\n" +" const char *filename,\n" +" const char *iface);\n" +"\n" msgstr "" # type: textblock -#: ../src/guestfs.pod:1793 ../fish/guestfish.pod:895 -msgid "Pass additional options to the guest kernel." +#: ../src/guestfs-actions.pod:256 +msgid "" +"This is the same as C but it allows you to specify the " +"QEMU interface emulation to use at run time." msgstr "" -# type: =item -#: ../src/guestfs.pod:1795 ../fish/guestfish.pod:897 -msgid "LIBGUESTFS_DEBUG" +# type: =head2 +#: ../src/guestfs-actions.pod:270 +msgid "guestfs_aug_clear" msgstr "" -# type: textblock -#: ../src/guestfs.pod:1797 +# type: verbatim +#: ../src/guestfs-actions.pod:272 +#, no-wrap msgid "" -"Set C to enable verbose messages. This has the same " -"effect as calling C." +" int\n" +" guestfs_aug_clear (guestfs_h *g,\n" +" const char *augpath);\n" +"\n" msgstr "" -# type: =item -#: ../src/guestfs.pod:1800 ../fish/guestfish.pod:902 -msgid "LIBGUESTFS_MEMSIZE" +# type: textblock +#: ../src/guestfs-actions.pod:276 ../fish/guestfish-actions.pod:178 +msgid "" +"Set the value associated with C to C. This is the same as the " +"L C command." msgstr "" # type: textblock -#: ../src/guestfs.pod:1802 ../fish/guestfish.pod:904 -msgid "" -"Set the memory allocated to the qemu process, in megabytes. For example:" +#: ../src/guestfs-actions.pod:281 ../src/guestfs-actions.pod:2083 +msgid "(Added in 1.3.4)" +msgstr "" + +# type: =head2 +#: ../src/guestfs-actions.pod:283 +msgid "guestfs_aug_close" msgstr "" # type: verbatim -#: ../src/guestfs.pod:1805 ../fish/guestfish.pod:907 +#: ../src/guestfs-actions.pod:285 #, no-wrap msgid "" -" LIBGUESTFS_MEMSIZE=700\n" +" int\n" +" guestfs_aug_close (guestfs_h *g);\n" "\n" msgstr "" -# type: =item -#: ../src/guestfs.pod:1807 ../fish/guestfish.pod:909 -msgid "LIBGUESTFS_PATH" -msgstr "" - # type: textblock -#: ../src/guestfs.pod:1809 +#: ../src/guestfs-actions.pod:288 msgid "" -"Set the path that libguestfs uses to search for kernel and initrd.img. See " -"the discussion of paths in section PATH above." -msgstr "" - -# type: =item -#: ../src/guestfs.pod:1812 ../fish/guestfish.pod:914 -msgid "LIBGUESTFS_QEMU" +"Close the current Augeas handle and free up any resources used by it. After " +"calling this, you have to call C again before you can use " +"any other Augeas functions." msgstr "" # type: textblock -#: ../src/guestfs.pod:1814 ../fish/guestfish.pod:916 -msgid "" -"Set the default qemu binary that libguestfs uses. If not set, then the qemu " -"which was found at compile time by the configure script is used." +#: ../src/guestfs-actions.pod:295 ../src/guestfs-actions.pod:320 +#: ../src/guestfs-actions.pod:338 ../src/guestfs-actions.pod:352 +#: ../src/guestfs-actions.pod:410 ../src/guestfs-actions.pod:430 +#: ../src/guestfs-actions.pod:444 ../src/guestfs-actions.pod:475 +#: ../src/guestfs-actions.pod:489 ../src/guestfs-actions.pod:503 +#: ../src/guestfs-actions.pod:517 ../src/guestfs-actions.pod:535 +#: ../src/guestfs-actions.pod:5086 +msgid "(Added in 0.7)" msgstr "" -# type: textblock -#: ../src/guestfs.pod:1818 -msgid "See also L above." +# type: =head2 +#: ../src/guestfs-actions.pod:297 +msgid "guestfs_aug_defnode" msgstr "" -# type: =item -#: ../src/guestfs.pod:1820 ../fish/guestfish.pod:920 -msgid "LIBGUESTFS_TRACE" +# type: verbatim +#: ../src/guestfs-actions.pod:299 +#, no-wrap +msgid "" +" struct guestfs_int_bool *\n" +" guestfs_aug_defnode (guestfs_h *g,\n" +" const char *name,\n" +" const char *expr,\n" +" const char *val);\n" +"\n" msgstr "" # type: textblock -#: ../src/guestfs.pod:1822 +#: ../src/guestfs-actions.pod:305 ../fish/guestfish-actions.pod:194 msgid "" -"Set C to enable command traces. This has the same " -"effect as calling C." +"Defines a variable C whose value is the result of evaluating C." msgstr "" -# type: =item -#: ../src/guestfs.pod:1825 ../fish/guestfish.pod:929 -msgid "TMPDIR" +# type: textblock +#: ../src/guestfs-actions.pod:308 +msgid "" +"If C evaluates to an empty nodeset, a node is created, equivalent to " +"calling C C, C. C will be the nodeset " +"containing that single node." msgstr "" # type: textblock -#: ../src/guestfs.pod:1827 ../fish/guestfish.pod:931 -msgid "Location of temporary directory, defaults to C." +#: ../src/guestfs-actions.pod:312 ../fish/guestfish-actions.pod:201 +msgid "" +"On success this returns a pair containing the number of nodes in the " +"nodeset, and a boolean flag if a node was created." msgstr "" # type: textblock -#: ../src/guestfs.pod:1829 ../fish/guestfish.pod:933 +#: ../src/guestfs-actions.pod:316 msgid "" -"If libguestfs was compiled to use the supermin appliance then the real " -"appliance is cached in this directory, shared between all handles belonging " -"to the same EUID. You can use C<$TMPDIR> to configure another directory to " -"use in case C is not large enough." +"This function returns a C, or NULL if there was " +"an error. I after use>." msgstr "" -# type: =head1 -#: ../src/guestfs.pod:1837 ../fish/guestfish.pod:991 -#: ../test-tool/libguestfs-test-tool.pod:109 ../fuse/guestmount.pod:178 -#: ../inspector/virt-inspector.pl:884 ../tools/virt-edit.pl:350 -#: ../tools/virt-win-reg.pl:487 ../tools/virt-df.pl:614 -#: ../tools/virt-ls.pl:235 ../tools/virt-resize.pl:1486 -#: ../tools/virt-list-filesystems.pl:216 ../tools/virt-cat.pl:188 -#: ../tools/virt-tar.pl:283 ../tools/virt-rescue.pl:257 -#: ../tools/virt-make-fs.pl:534 ../tools/virt-list-partitions.pl:254 -msgid "SEE ALSO" +# type: =head2 +#: ../src/guestfs-actions.pod:322 +msgid "guestfs_aug_defvar" msgstr "" -# type: textblock -#: ../src/guestfs.pod:1839 +# type: verbatim +#: ../src/guestfs-actions.pod:324 +#, no-wrap msgid "" -"L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L, " -"L." +" int\n" +" guestfs_aug_defvar (guestfs_h *g,\n" +" const char *name,\n" +" const char *expr);\n" +"\n" msgstr "" # type: textblock -#: ../src/guestfs.pod:1857 +#: ../src/guestfs-actions.pod:329 ../fish/guestfish-actions.pod:209 msgid "" -"Tools with a similar purpose: L, L, L, L, L." +"Defines an Augeas variable C whose value is the result of evaluating " +"C. If C is NULL, then C is undefined." msgstr "" -# type: =head1 -#: ../src/guestfs.pod:1864 ../tools/virt-win-reg.pl:502 -#: ../tools/virt-make-fs.pl:548 -msgid "BUGS" +# type: textblock +#: ../src/guestfs-actions.pod:333 ../fish/guestfish-actions.pod:213 +msgid "" +"On success this returns the number of nodes in C, or C<0> if C " +"evaluates to something which is not a nodeset." msgstr "" -# type: textblock -#: ../src/guestfs.pod:1866 -msgid "To get a list of bugs against libguestfs use this link:" +# type: =head2 +#: ../src/guestfs-actions.pod:340 +msgid "guestfs_aug_get" msgstr "" -# type: textblock -#: ../src/guestfs.pod:1868 +# type: verbatim +#: ../src/guestfs-actions.pod:342 +#, no-wrap msgid "" -"L" +" char *\n" +" guestfs_aug_get (guestfs_h *g,\n" +" const char *augpath);\n" +"\n" msgstr "" # type: textblock -#: ../src/guestfs.pod:1870 -msgid "To report a new bug against libguestfs use this link:" +#: ../src/guestfs-actions.pod:346 ../fish/guestfish-actions.pod:220 +msgid "" +"Look up the value associated with C. If C matches exactly one " +"node, the C is returned." msgstr "" # type: textblock -#: ../src/guestfs.pod:1872 +#: ../src/guestfs-actions.pod:349 ../src/guestfs-actions.pod:849 +#: ../src/guestfs-actions.pod:867 ../src/guestfs-actions.pod:927 +#: ../src/guestfs-actions.pod:943 ../src/guestfs-actions.pod:1046 +#: ../src/guestfs-actions.pod:1176 ../src/guestfs-actions.pod:1193 +#: ../src/guestfs-actions.pod:1212 ../src/guestfs-actions.pod:1341 +#: ../src/guestfs-actions.pod:1532 ../src/guestfs-actions.pod:1644 +#: ../src/guestfs-actions.pod:1807 ../src/guestfs-actions.pod:1824 +#: ../src/guestfs-actions.pod:1915 ../src/guestfs-actions.pod:1936 +#: ../src/guestfs-actions.pod:2106 ../src/guestfs-actions.pod:2268 +#: ../src/guestfs-actions.pod:2475 ../src/guestfs-actions.pod:2556 +#: ../src/guestfs-actions.pod:2604 ../src/guestfs-actions.pod:2712 +#: ../src/guestfs-actions.pod:2741 ../src/guestfs-actions.pod:2763 +#: ../src/guestfs-actions.pod:2823 ../src/guestfs-actions.pod:2846 +#: ../src/guestfs-actions.pod:3328 ../src/guestfs-actions.pod:3678 +#: ../src/guestfs-actions.pod:3848 ../src/guestfs-actions.pod:3958 +#: ../src/guestfs-actions.pod:4621 ../src/guestfs-actions.pod:4814 +#: ../src/guestfs-actions.pod:4984 ../src/guestfs-actions.pod:5162 +#: ../src/guestfs-actions.pod:5211 ../src/guestfs-actions.pod:5774 +#: ../src/guestfs-actions.pod:5790 ../src/guestfs-actions.pod:5807 +#: ../src/guestfs-actions.pod:5831 ../src/guestfs-actions.pod:6495 +#: ../src/guestfs-actions.pod:6514 ../src/guestfs-actions.pod:6532 +#: ../src/guestfs-actions.pod:6712 ../src/guestfs-actions.pod:6984 msgid "" -"L" +"This function returns a string, or NULL on error. I." msgstr "" -# type: textblock -#: ../src/guestfs.pod:1874 -msgid "When reporting a bug, please check:" +# type: =head2 +#: ../src/guestfs-actions.pod:354 +msgid "guestfs_aug_init" msgstr "" -# type: textblock -#: ../src/guestfs.pod:1880 -msgid "That the bug hasn't been reported already." +# type: verbatim +#: ../src/guestfs-actions.pod:356 +#, no-wrap +msgid "" +" int\n" +" guestfs_aug_init (guestfs_h *g,\n" +" const char *root,\n" +" int flags);\n" +"\n" msgstr "" # type: textblock -#: ../src/guestfs.pod:1884 -msgid "That you are testing a recent version." +#: ../src/guestfs-actions.pod:361 ../fish/guestfish-actions.pod:227 +msgid "" +"Create a new Augeas handle for editing configuration files. If there was " +"any previous Augeas handle associated with this guestfs session, then it is " +"closed." msgstr "" # type: textblock -#: ../src/guestfs.pod:1888 -msgid "Describe the bug accurately, and give a way to reproduce it." +#: ../src/guestfs-actions.pod:365 +msgid "You must call this before using any other C commands." msgstr "" # type: textblock -#: ../src/guestfs.pod:1892 +#: ../src/guestfs-actions.pod:368 ../fish/guestfish-actions.pod:234 msgid "" -"Run libguestfs-test-tool and paste the B output into the " -"bug report." -msgstr "" - -# type: =head1 -#: ../src/guestfs.pod:1897 ../fish/guestfish.pod:1008 -#: ../test-tool/libguestfs-test-tool.pod:115 ../fuse/guestmount.pod:189 -#: ../inspector/virt-inspector.pl:893 -msgid "AUTHORS" +"C is the filesystem root. C must not be NULL, use C instead." msgstr "" # type: textblock -#: ../src/guestfs.pod:1899 ../fish/guestfish.pod:1010 -#: ../test-tool/libguestfs-test-tool.pod:117 ../fuse/guestmount.pod:191 -msgid "Richard W.M. Jones (C)" +#: ../src/guestfs-actions.pod:371 ../fish/guestfish-actions.pod:237 +msgid "" +"The flags are the same as the flags defined in Eaugeas.hE, the " +"logical I of the following integers:" msgstr "" -# type: =head1 -#: ../src/guestfs.pod:1901 ../fish/guestfish.pod:1012 -#: ../test-tool/libguestfs-test-tool.pod:119 ../fuse/guestmount.pod:193 -#: ../inspector/virt-inspector.pl:899 ../tools/virt-edit.pl:366 -#: ../tools/virt-win-reg.pl:517 ../tools/virt-df.pl:627 -#: ../tools/virt-ls.pl:250 ../tools/virt-resize.pl:1512 -#: ../tools/virt-list-filesystems.pl:232 ../tools/virt-cat.pl:202 -#: ../tools/virt-tar.pl:298 ../tools/virt-rescue.pl:271 -#: ../tools/virt-make-fs.pl:563 ../tools/virt-list-partitions.pl:269 -msgid "COPYRIGHT" +# type: =item +#: ../src/guestfs-actions.pod:377 ../fish/guestfish-actions.pod:243 +msgid "C = 1" msgstr "" # type: textblock -#: ../src/guestfs.pod:1903 ../fish/guestfish.pod:1014 -msgid "Copyright (C) 2009-2010 Red Hat Inc. L" +#: ../src/guestfs-actions.pod:379 ../fish/guestfish-actions.pod:245 +msgid "Keep the original file with a C<.augsave> extension." msgstr "" -# type: textblock -#: ../src/guestfs.pod:1906 -msgid "" -"This library is free software; you can redistribute it and/or modify it " -"under the terms of the GNU Lesser General Public License as published by the " -"Free Software Foundation; either version 2 of the License, or (at your " -"option) any later version." +# type: =item +#: ../src/guestfs-actions.pod:381 ../fish/guestfish-actions.pod:247 +msgid "C = 2" msgstr "" # type: textblock -#: ../src/guestfs.pod:1911 +#: ../src/guestfs-actions.pod:383 ../fish/guestfish-actions.pod:249 msgid "" -"This library is distributed in the hope that it will be useful, but WITHOUT " -"ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or " -"FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License " -"for more details." +"Save changes into a file with extension C<.augnew>, and do not overwrite " +"original. Overrides C." msgstr "" -# type: textblock -#: ../src/guestfs.pod:1916 -msgid "" -"You should have received a copy of the GNU Lesser General Public License " -"along with this library; if not, write to the Free Software Foundation, " -"Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA" +# type: =item +#: ../src/guestfs-actions.pod:386 ../fish/guestfish-actions.pod:252 +msgid "C = 4" msgstr "" -# type: =head2 -#: ../src/guestfs-actions.pod:1 -msgid "guestfs_add_cdrom" +# type: textblock +#: ../src/guestfs-actions.pod:388 ../fish/guestfish-actions.pod:254 +msgid "Typecheck lenses (can be expensive)." msgstr "" -# type: verbatim -#: ../src/guestfs-actions.pod:3 -#, no-wrap -msgid "" -" int guestfs_add_cdrom (guestfs_h *g,\n" -"\t\tconst char *filename);\n" -"\n" +# type: =item +#: ../src/guestfs-actions.pod:390 ../fish/guestfish-actions.pod:256 +msgid "C = 8" msgstr "" # type: textblock -#: ../src/guestfs-actions.pod:6 ../fish/guestfish-actions.pod:5 -msgid "This function adds a virtual CD-ROM disk image to the guest." +#: ../src/guestfs-actions.pod:392 ../fish/guestfish-actions.pod:258 +msgid "Do not use standard load path for modules." msgstr "" -# type: textblock -#: ../src/guestfs-actions.pod:8 ../fish/guestfish-actions.pod:7 -msgid "This is equivalent to the qemu parameter C<-cdrom filename>." +# type: =item +#: ../src/guestfs-actions.pod:394 ../fish/guestfish-actions.pod:260 +msgid "C = 16" msgstr "" # type: textblock -#: ../src/guestfs-actions.pod:16 -msgid "" -"This call checks for the existence of C. This stops you from " -"specifying other types of drive which are supported by qemu such as C " -"and C URLs. To specify those, use the general C call " -"instead." +#: ../src/guestfs-actions.pod:396 ../fish/guestfish-actions.pod:262 +msgid "Make save a no-op, just record what would have been changed." msgstr "" -# type: textblock -#: ../src/guestfs-actions.pod:23 -msgid "" -"If you just want to add an ISO file (often you use this as an efficient way " -"to transfer large files into the guest), then you should probably use " -"C instead." +# type: =item +#: ../src/guestfs-actions.pod:398 ../fish/guestfish-actions.pod:264 +msgid "C = 32" msgstr "" # type: textblock -#: ../src/guestfs-actions.pod:29 ../src/guestfs-actions.pod:54 -#: ../src/guestfs-actions.pod:112 ../src/guestfs-actions.pod:144 -#: ../src/guestfs-actions.pod:155 ../src/guestfs-actions.pod:173 -#: ../src/guestfs-actions.pod:190 ../src/guestfs-actions.pod:201 -#: ../src/guestfs-actions.pod:304 ../src/guestfs-actions.pod:321 -#: ../src/guestfs-actions.pod:332 ../src/guestfs-actions.pod:368 -#: ../src/guestfs-actions.pod:390 ../src/guestfs-actions.pod:405 -#: ../src/guestfs-actions.pod:469 ../src/guestfs-actions.pod:496 -#: ../src/guestfs-actions.pod:507 ../src/guestfs-actions.pod:519 -#: ../src/guestfs-actions.pod:600 ../src/guestfs-actions.pod:615 -#: ../src/guestfs-actions.pod:626 ../src/guestfs-actions.pod:637 -#: ../src/guestfs-actions.pod:783 ../src/guestfs-actions.pod:800 -#: ../src/guestfs-actions.pod:815 ../src/guestfs-actions.pod:890 -#: ../src/guestfs-actions.pod:905 ../src/guestfs-actions.pod:921 -#: ../src/guestfs-actions.pod:932 ../src/guestfs-actions.pod:949 -#: ../src/guestfs-actions.pod:982 ../src/guestfs-actions.pod:1040 -#: ../src/guestfs-actions.pod:1068 ../src/guestfs-actions.pod:1090 -#: ../src/guestfs-actions.pod:1121 ../src/guestfs-actions.pod:1209 -#: ../src/guestfs-actions.pod:1240 ../src/guestfs-actions.pod:1440 -#: ../src/guestfs-actions.pod:1459 ../src/guestfs-actions.pod:1540 -#: ../src/guestfs-actions.pod:1888 ../src/guestfs-actions.pod:2011 -#: ../src/guestfs-actions.pod:2066 ../src/guestfs-actions.pod:2096 -#: ../src/guestfs-actions.pod:2505 ../src/guestfs-actions.pod:2517 -#: ../src/guestfs-actions.pod:2534 ../src/guestfs-actions.pod:2642 -#: ../src/guestfs-actions.pod:2653 ../src/guestfs-actions.pod:2663 -#: ../src/guestfs-actions.pod:2674 ../src/guestfs-actions.pod:2686 -#: ../src/guestfs-actions.pod:2716 ../src/guestfs-actions.pod:2780 -#: ../src/guestfs-actions.pod:2797 ../src/guestfs-actions.pod:2811 -#: ../src/guestfs-actions.pod:2831 ../src/guestfs-actions.pod:2851 -#: ../src/guestfs-actions.pod:2880 ../src/guestfs-actions.pod:2896 -#: ../src/guestfs-actions.pod:2912 ../src/guestfs-actions.pod:2924 -#: ../src/guestfs-actions.pod:2933 ../src/guestfs-actions.pod:2966 -#: ../src/guestfs-actions.pod:2979 ../src/guestfs-actions.pod:2989 -#: ../src/guestfs-actions.pod:3001 ../src/guestfs-actions.pod:3015 -#: ../src/guestfs-actions.pod:3095 ../src/guestfs-actions.pod:3112 -#: ../src/guestfs-actions.pod:3122 ../src/guestfs-actions.pod:3167 -#: ../src/guestfs-actions.pod:3182 ../src/guestfs-actions.pod:3197 -#: ../src/guestfs-actions.pod:3210 ../src/guestfs-actions.pod:3221 -#: ../src/guestfs-actions.pod:3232 ../src/guestfs-actions.pod:3246 -#: ../src/guestfs-actions.pod:3258 ../src/guestfs-actions.pod:3275 -#: ../src/guestfs-actions.pod:3306 ../src/guestfs-actions.pod:3334 -#: ../src/guestfs-actions.pod:3350 ../src/guestfs-actions.pod:3366 -#: ../src/guestfs-actions.pod:3375 ../src/guestfs-actions.pod:3389 -#: ../src/guestfs-actions.pod:3399 ../src/guestfs-actions.pod:3411 -#: ../src/guestfs-actions.pod:3423 ../src/guestfs-actions.pod:3455 -#: ../src/guestfs-actions.pod:3467 ../src/guestfs-actions.pod:3484 -#: ../src/guestfs-actions.pod:3495 ../src/guestfs-actions.pod:3509 -#: ../src/guestfs-actions.pod:3549 ../src/guestfs-actions.pod:3580 -#: ../src/guestfs-actions.pod:3591 ../src/guestfs-actions.pod:3616 -#: ../src/guestfs-actions.pod:3630 ../src/guestfs-actions.pod:3645 -#: ../src/guestfs-actions.pod:3767 ../src/guestfs-actions.pod:3819 -#: ../src/guestfs-actions.pod:3838 ../src/guestfs-actions.pod:3853 -#: ../src/guestfs-actions.pod:3879 ../src/guestfs-actions.pod:3936 -#: ../src/guestfs-actions.pod:3950 ../src/guestfs-actions.pod:3960 -#: ../src/guestfs-actions.pod:3971 ../src/guestfs-actions.pod:4226 -#: ../src/guestfs-actions.pod:4242 ../src/guestfs-actions.pod:4253 -#: ../src/guestfs-actions.pod:4262 ../src/guestfs-actions.pod:4273 -#: ../src/guestfs-actions.pod:4282 ../src/guestfs-actions.pod:4293 -#: ../src/guestfs-actions.pod:4306 ../src/guestfs-actions.pod:4324 -#: ../src/guestfs-actions.pod:4340 ../src/guestfs-actions.pod:4356 -#: ../src/guestfs-actions.pod:4371 ../src/guestfs-actions.pod:4391 -#: ../src/guestfs-actions.pod:4406 ../src/guestfs-actions.pod:4422 -#: ../src/guestfs-actions.pod:4440 ../src/guestfs-actions.pod:4456 -#: ../src/guestfs-actions.pod:4470 ../src/guestfs-actions.pod:4495 -#: ../src/guestfs-actions.pod:4516 ../src/guestfs-actions.pod:4532 -#: ../src/guestfs-actions.pod:4553 ../src/guestfs-actions.pod:4565 -#: ../src/guestfs-actions.pod:4577 ../src/guestfs-actions.pod:4593 -#: ../src/guestfs-actions.pod:4627 ../src/guestfs-actions.pod:4647 -#: ../src/guestfs-actions.pod:4670 ../src/guestfs-actions.pod:4760 -#: ../src/guestfs-actions.pod:4866 ../src/guestfs-actions.pod:4875 -#: ../src/guestfs-actions.pod:4885 ../src/guestfs-actions.pod:4895 -#: ../src/guestfs-actions.pod:4914 ../src/guestfs-actions.pod:4924 -#: ../src/guestfs-actions.pod:4934 ../src/guestfs-actions.pod:4944 -#: ../src/guestfs-actions.pod:4956 ../src/guestfs-actions.pod:5006 -#: ../src/guestfs-actions.pod:5020 ../src/guestfs-actions.pod:5033 -#: ../src/guestfs-actions.pod:5046 ../src/guestfs-actions.pod:5060 -#: ../src/guestfs-actions.pod:5070 ../src/guestfs-actions.pod:5087 -#: ../src/guestfs-actions.pod:5117 ../src/guestfs-actions.pod:5128 -#: ../src/guestfs-actions.pod:5163 ../src/guestfs-actions.pod:5173 -#: ../src/guestfs-actions.pod:5188 ../src/guestfs-actions.pod:5214 -#: ../src/guestfs-actions.pod:5242 ../src/guestfs-actions.pod:5346 -#: ../src/guestfs-actions.pod:5361 ../src/guestfs-actions.pod:5372 -#: ../src/guestfs-actions.pod:5418 ../src/guestfs-actions.pod:5428 -#: ../src/guestfs-actions.pod:5465 ../src/guestfs-actions.pod:5492 -#: ../src/guestfs-actions.pod:5534 ../src/guestfs-actions.pod:5557 -#: ../src/guestfs-actions.pod:5614 ../src/guestfs-actions.pod:5630 -#: ../src/guestfs-actions.pod:5656 -msgid "This function returns 0 on success or -1 on error." +#: ../src/guestfs-actions.pod:400 +msgid "Do not load the tree in C." msgstr "" # type: textblock -#: ../src/guestfs-actions.pod:31 ../src/guestfs-actions.pod:157 -#: ../src/guestfs-actions.pod:175 ../fish/guestfish-actions.pod:28 -#: ../fish/guestfish-actions.pod:117 ../fish/guestfish-actions.pod:131 -msgid "" -"This function is deprecated. In new code, use the C call " -"instead." +#: ../src/guestfs-actions.pod:404 +msgid "To close the handle, you can call C." msgstr "" # type: textblock -#: ../src/guestfs-actions.pod:34 ../src/guestfs-actions.pod:160 -#: ../src/guestfs-actions.pod:178 ../src/guestfs-actions.pod:1214 -#: ../src/guestfs-actions.pod:1649 ../src/guestfs-actions.pod:1667 -#: ../src/guestfs-actions.pod:5565 ../src/guestfs-actions.pod:5710 -#: ../fish/guestfish-actions.pod:31 ../fish/guestfish-actions.pod:120 -#: ../fish/guestfish-actions.pod:134 ../fish/guestfish-actions.pod:940 -#: ../fish/guestfish-actions.pod:1297 ../fish/guestfish-actions.pod:1311 -#: ../fish/guestfish-actions.pod:4289 ../fish/guestfish-actions.pod:4386 -msgid "" -"Deprecated functions will not be removed from the API, but the fact that " -"they are deprecated indicates that there are problems with correct use of " -"these functions." +#: ../src/guestfs-actions.pod:406 ../fish/guestfish-actions.pod:272 +msgid "To find out more about Augeas, see L." msgstr "" # type: =head2 -#: ../src/guestfs-actions.pod:38 -msgid "guestfs_add_drive" +#: ../src/guestfs-actions.pod:412 +msgid "guestfs_aug_insert" msgstr "" # type: verbatim -#: ../src/guestfs-actions.pod:40 +#: ../src/guestfs-actions.pod:414 #, no-wrap msgid "" -" int guestfs_add_drive (guestfs_h *g,\n" -"\t\tconst char *filename);\n" +" int\n" +" guestfs_aug_insert (guestfs_h *g,\n" +" const char *augpath,\n" +" const char *label,\n" +" int before);\n" "\n" msgstr "" # type: textblock -#: ../src/guestfs-actions.pod:43 +#: ../src/guestfs-actions.pod:420 ../fish/guestfish-actions.pod:278 msgid "" -"This function is the equivalent of calling C with no " -"optional parameters, so the disk is added writable, with the format being " -"detected automatically." +"Create a new sibling C." -msgstr "" - -# type: =head2 -#: ../src/guestfs-actions.pod:134 -msgid "guestfs_add_drive_ro" -msgstr "" - -# type: verbatim -#: ../src/guestfs-actions.pod:136 -#, no-wrap -msgid "" -" int guestfs_add_drive_ro (guestfs_h *g,\n" -"\t\tconst char *filename);\n" -"\n" +#: ../src/guestfs-actions.pod:510 ../fish/guestfish-actions.pod:329 +msgid "This writes all pending changes to disk." msgstr "" # type: textblock -#: ../src/guestfs-actions.pod:139 +#: ../src/guestfs-actions.pod:512 msgid "" -"This function is the equivalent of calling C with " -"the optional parameter C set to 1, so the " -"disk is added read-only, with the format being detected automatically." +"The flags which were passed to C affect exactly how files " +"are saved." msgstr "" # type: =head2 -#: ../src/guestfs-actions.pod:146 -msgid "guestfs_add_drive_ro_with_if" +#: ../src/guestfs-actions.pod:519 +msgid "guestfs_aug_set" msgstr "" # type: verbatim -#: ../src/guestfs-actions.pod:148 +#: ../src/guestfs-actions.pod:521 #, no-wrap msgid "" -" int guestfs_add_drive_ro_with_if (guestfs_h *g,\n" -"\t\tconst char *filename,\n" -"\t\tconst char *iface);\n" +" int\n" +" guestfs_aug_set (guestfs_h *g,\n" +" const char *augpath,\n" +" const char *val);\n" "\n" msgstr "" # type: textblock -#: ../src/guestfs-actions.pod:152 +#: ../src/guestfs-actions.pod:526 ../fish/guestfish-actions.pod:338 +msgid "Set the value associated with C to C." +msgstr "" + +# type: textblock +#: ../src/guestfs-actions.pod:528 msgid "" -"This is the same as C but it allows you to specify the " -"QEMU interface emulation to use at run time." +"In the Augeas API, it is possible to clear a node by setting the value to " +"NULL. Due to an oversight in the libguestfs API you cannot do that with " +"this call. Instead you must use the C call." msgstr "" # type: =head2 -#: ../src/guestfs-actions.pod:164 -msgid "guestfs_add_drive_with_if" +#: ../src/guestfs-actions.pod:537 +msgid "guestfs_available" msgstr "" # type: verbatim -#: ../src/guestfs-actions.pod:166 +#: ../src/guestfs-actions.pod:539 #, no-wrap msgid "" -" int guestfs_add_drive_with_if (guestfs_h *g,\n" -"\t\tconst char *filename,\n" -"\t\tconst char *iface);\n" +" int\n" +" guestfs_available (guestfs_h *g,\n" +" char *const *groups);\n" "\n" msgstr "" # type: textblock -#: ../src/guestfs-actions.pod:170 +#: ../src/guestfs-actions.pod:543 ../fish/guestfish-actions.pod:349 msgid "" -"This is the same as C but it allows you to specify the " -"QEMU interface emulation to use at run time." -msgstr "" - -# type: =head2 -#: ../src/guestfs-actions.pod:182 -msgid "guestfs_aug_clear" +"This command is used to check the availability of some groups of " +"functionality in the appliance, which not all builds of the libguestfs " +"appliance will be able to provide." msgstr "" -# type: verbatim -#: ../src/guestfs-actions.pod:184 -#, no-wrap +# type: textblock +#: ../src/guestfs-actions.pod:547 msgid "" -" int guestfs_aug_clear (guestfs_h *g,\n" -"\t\tconst char *augpath);\n" -"\n" +"The libguestfs groups, and the functions that those groups correspond to, " +"are listed in L. You can also fetch this list at " +"runtime by calling C." msgstr "" # type: textblock -#: ../src/guestfs-actions.pod:187 ../fish/guestfish-actions.pod:142 +#: ../src/guestfs-actions.pod:552 ../fish/guestfish-actions.pod:358 msgid "" -"Set the value associated with C to C. This is the same as the " -"L C command." +"The argument C is a list of group names, eg: C<[\"inotify\", \"augeas" +"\"]> would check for the availability of the Linux inotify functions and " +"Augeas (configuration file editing) functions." msgstr "" -# type: =head2 -#: ../src/guestfs-actions.pod:192 -msgid "guestfs_aug_close" +# type: textblock +#: ../src/guestfs-actions.pod:557 ../fish/guestfish-actions.pod:363 +msgid "The command returns no error if I requested groups are available." msgstr "" -# type: verbatim -#: ../src/guestfs-actions.pod:194 -#, no-wrap +# type: textblock +#: ../src/guestfs-actions.pod:559 ../fish/guestfish-actions.pod:365 msgid "" -" int guestfs_aug_close (guestfs_h *g);\n" -"\n" +"It fails with an error if one or more of the requested groups is unavailable " +"in the appliance." msgstr "" # type: textblock -#: ../src/guestfs-actions.pod:196 +#: ../src/guestfs-actions.pod:562 ../fish/guestfish-actions.pod:368 msgid "" -"Close the current Augeas handle and free up any resources used by it. After " -"calling this, you have to call C again before you can use " -"any other Augeas functions." +"If an unknown group name is included in the list of groups then an error is " +"always returned." msgstr "" -# type: =head2 -#: ../src/guestfs-actions.pod:203 -msgid "guestfs_aug_defnode" +# type: textblock +#: ../src/guestfs-actions.pod:565 ../fish/guestfish-actions.pod:371 +msgid "I" msgstr "" -# type: verbatim -#: ../src/guestfs-actions.pod:205 -#, no-wrap -msgid "" -" struct guestfs_int_bool *guestfs_aug_defnode (guestfs_h *g,\n" -"\t\tconst char *name,\n" -"\t\tconst char *expr,\n" -"\t\tconst char *val);\n" -"\n" +# type: textblock +#: ../src/guestfs-actions.pod:571 +msgid "You must call C before calling this function." msgstr "" # type: textblock -#: ../src/guestfs-actions.pod:210 ../fish/guestfish-actions.pod:158 +#: ../src/guestfs-actions.pod:573 ../fish/guestfish-actions.pod:379 msgid "" -"Defines a variable C whose value is the result of evaluating C." +"The reason is because we don't know what groups are supported by the " +"appliance/daemon until it is running and can be queried." msgstr "" # type: textblock -#: ../src/guestfs-actions.pod:213 +#: ../src/guestfs-actions.pod:579 ../fish/guestfish-actions.pod:385 msgid "" -"If C evaluates to an empty nodeset, a node is created, equivalent to " -"calling C C, C. C will be the nodeset " -"containing that single node." +"If a group of functions is available, this does not necessarily mean that " +"they will work. You still have to check for errors when calling individual " +"API functions even if they are available." msgstr "" # type: textblock -#: ../src/guestfs-actions.pod:217 ../fish/guestfish-actions.pod:165 +#: ../src/guestfs-actions.pod:586 ../fish/guestfish-actions.pod:392 msgid "" -"On success this returns a pair containing the number of nodes in the " -"nodeset, and a boolean flag if a node was created." +"It is usually the job of distro packagers to build complete functionality " +"into the libguestfs appliance. Upstream libguestfs, if built from source " +"with all requirements satisfied, will support everything." msgstr "" # type: textblock -#: ../src/guestfs-actions.pod:221 +#: ../src/guestfs-actions.pod:593 msgid "" -"This function returns a C, or NULL if there was " -"an error. I after use>." +"This call was added in version C<1.0.80>. In previous versions of " +"libguestfs all you could do would be to speculatively execute a command to " +"find out if the daemon implemented it. See also C." +msgstr "" + +# type: textblock +#: ../src/guestfs-actions.pod:602 ../src/guestfs-actions.pod:1163 +msgid "(Added in 1.0.80)" msgstr "" # type: =head2 -#: ../src/guestfs-actions.pod:225 -msgid "guestfs_aug_defvar" +#: ../src/guestfs-actions.pod:604 +msgid "guestfs_available_all_groups" msgstr "" # type: verbatim -#: ../src/guestfs-actions.pod:227 +#: ../src/guestfs-actions.pod:606 #, no-wrap msgid "" -" int guestfs_aug_defvar (guestfs_h *g,\n" -"\t\tconst char *name,\n" -"\t\tconst char *expr);\n" +" char **\n" +" guestfs_available_all_groups (guestfs_h *g);\n" "\n" msgstr "" # type: textblock -#: ../src/guestfs-actions.pod:231 ../fish/guestfish-actions.pod:173 +#: ../src/guestfs-actions.pod:609 msgid "" -"Defines an Augeas variable C whose value is the result of evaluating " -"C. If C is NULL, then C is undefined." +"This command returns a list of all optional groups that this daemon knows " +"about. Note this returns both supported and unsupported groups. To find " +"out which ones the daemon can actually support you have to call " +"C on each member of the returned list." msgstr "" # type: textblock -#: ../src/guestfs-actions.pod:235 ../fish/guestfish-actions.pod:177 -msgid "" -"On success this returns the number of nodes in C, or C<0> if C " -"evaluates to something which is not a nodeset." +#: ../src/guestfs-actions.pod:615 +msgid "See also C and L." msgstr "" # type: textblock -#: ../src/guestfs-actions.pod:238 ../src/guestfs-actions.pod:379 -#: ../src/guestfs-actions.pod:533 ../src/guestfs-actions.pod:558 -#: ../src/guestfs-actions.pod:573 ../src/guestfs-actions.pod:589 -#: ../src/guestfs-actions.pod:1107 ../src/guestfs-actions.pod:1422 -#: ../src/guestfs-actions.pod:1604 ../src/guestfs-actions.pod:1685 -#: ../src/guestfs-actions.pod:1716 ../src/guestfs-actions.pod:1759 -#: ../src/guestfs-actions.pod:1776 ../src/guestfs-actions.pod:2001 -#: ../src/guestfs-actions.pod:2213 ../src/guestfs-actions.pod:2231 -#: ../src/guestfs-actions.pod:3569 ../src/guestfs-actions.pod:3676 -#: ../src/guestfs-actions.pod:4030 ../src/guestfs-actions.pod:4053 -#: ../src/guestfs-actions.pod:5152 ../src/guestfs-actions.pod:5502 -#: ../src/guestfs-actions.pod:5512 ../src/guestfs-actions.pod:5522 -msgid "On error this function returns -1." +#: ../src/guestfs-actions.pod:621 +msgid "(Added in 1.3.15)" msgstr "" # type: =head2 -#: ../src/guestfs-actions.pod:240 -msgid "guestfs_aug_get" +#: ../src/guestfs-actions.pod:623 +msgid "guestfs_base64_in" msgstr "" # type: verbatim -#: ../src/guestfs-actions.pod:242 +#: ../src/guestfs-actions.pod:625 #, no-wrap msgid "" -" char *guestfs_aug_get (guestfs_h *g,\n" -"\t\tconst char *augpath);\n" +" int\n" +" guestfs_base64_in (guestfs_h *g,\n" +" const char *base64file,\n" +" const char *filename);\n" "\n" msgstr "" # type: textblock -#: ../src/guestfs-actions.pod:245 ../fish/guestfish-actions.pod:184 +#: ../src/guestfs-actions.pod:630 ../fish/guestfish-actions.pod:422 msgid "" -"Look up the value associated with C. If C matches exactly one " -"node, the C is returned." +"This command uploads base64-encoded data from C to C." msgstr "" # type: textblock -#: ../src/guestfs-actions.pod:248 ../src/guestfs-actions.pod:676 -#: ../src/guestfs-actions.pod:691 ../src/guestfs-actions.pod:748 -#: ../src/guestfs-actions.pod:761 ../src/guestfs-actions.pod:852 -#: ../src/guestfs-actions.pod:965 ../src/guestfs-actions.pod:994 -#: ../src/guestfs-actions.pod:1008 ../src/guestfs-actions.pod:1024 -#: ../src/guestfs-actions.pod:1135 ../src/guestfs-actions.pod:1299 -#: ../src/guestfs-actions.pod:1408 ../src/guestfs-actions.pod:1553 -#: ../src/guestfs-actions.pod:1567 ../src/guestfs-actions.pod:1643 -#: ../src/guestfs-actions.pod:1661 ../src/guestfs-actions.pod:1795 -#: ../src/guestfs-actions.pod:1934 ../src/guestfs-actions.pod:2115 -#: ../src/guestfs-actions.pod:2165 ../src/guestfs-actions.pod:2281 -#: ../src/guestfs-actions.pod:2316 ../src/guestfs-actions.pod:2631 -#: ../src/guestfs-actions.pod:3052 ../src/guestfs-actions.pod:3148 -#: ../src/guestfs-actions.pod:3691 ../src/guestfs-actions.pod:3867 -#: ../src/guestfs-actions.pod:4008 ../src/guestfs-actions.pod:4169 -#: ../src/guestfs-actions.pod:4212 ../src/guestfs-actions.pod:4688 -#: ../src/guestfs-actions.pod:4701 ../src/guestfs-actions.pod:4715 -#: ../src/guestfs-actions.pod:4736 ../src/guestfs-actions.pod:5295 -#: ../src/guestfs-actions.pod:5311 ../src/guestfs-actions.pod:5326 -#: ../src/guestfs-actions.pod:5474 ../src/guestfs-actions.pod:5704 -msgid "" -"This function returns a string, or NULL on error. I." +#: ../src/guestfs-actions.pod:635 ../src/guestfs-actions.pod:649 +msgid "(Added in 1.3.5)" msgstr "" # type: =head2 -#: ../src/guestfs-actions.pod:251 -msgid "guestfs_aug_init" +#: ../src/guestfs-actions.pod:637 +msgid "guestfs_base64_out" msgstr "" # type: verbatim -#: ../src/guestfs-actions.pod:253 +#: ../src/guestfs-actions.pod:639 #, no-wrap msgid "" -" int guestfs_aug_init (guestfs_h *g,\n" -"\t\tconst char *root,\n" -"\t\tint flags);\n" +" int\n" +" guestfs_base64_out (guestfs_h *g,\n" +" const char *filename,\n" +" const char *base64file);\n" "\n" msgstr "" # type: textblock -#: ../src/guestfs-actions.pod:257 ../fish/guestfish-actions.pod:191 +#: ../src/guestfs-actions.pod:644 ../fish/guestfish-actions.pod:431 msgid "" -"Create a new Augeas handle for editing configuration files. If there was " -"any previous Augeas handle associated with this guestfs session, then it is " -"closed." +"This command downloads the contents of C, writing it out to local " +"file C encoded as base64." msgstr "" -# type: textblock -#: ../src/guestfs-actions.pod:261 -msgid "You must call this before using any other C commands." +# type: =head2 +#: ../src/guestfs-actions.pod:651 +msgid "guestfs_blockdev_flushbufs" msgstr "" -# type: textblock -#: ../src/guestfs-actions.pod:264 ../fish/guestfish-actions.pod:198 +# type: verbatim +#: ../src/guestfs-actions.pod:653 +#, no-wrap msgid "" -"C is the filesystem root. C must not be NULL, use C instead." +" int\n" +" guestfs_blockdev_flushbufs (guestfs_h *g,\n" +" const char *device);\n" +"\n" msgstr "" # type: textblock -#: ../src/guestfs-actions.pod:267 ../fish/guestfish-actions.pod:201 +#: ../src/guestfs-actions.pod:657 ../fish/guestfish-actions.pod:440 msgid "" -"The flags are the same as the flags defined in Eaugeas.hE, the " -"logical I of the following integers:" +"This tells the kernel to flush internal buffers associated with C." msgstr "" -# type: =item -#: ../src/guestfs-actions.pod:273 ../fish/guestfish-actions.pod:207 -msgid "C = 1" +# type: textblock +#: ../src/guestfs-actions.pod:660 ../src/guestfs-actions.pod:677 +#: ../src/guestfs-actions.pod:692 ../src/guestfs-actions.pod:708 +#: ../src/guestfs-actions.pod:726 ../src/guestfs-actions.pod:745 +#: ../src/guestfs-actions.pod:759 ../src/guestfs-actions.pod:777 +#: ../src/guestfs-actions.pod:791 ../src/guestfs-actions.pod:805 +#: ../fish/guestfish-actions.pod:443 ../fish/guestfish-actions.pod:454 +#: ../fish/guestfish-actions.pod:463 ../fish/guestfish-actions.pod:473 +#: ../fish/guestfish-actions.pod:485 ../fish/guestfish-actions.pod:498 +#: ../fish/guestfish-actions.pod:506 ../fish/guestfish-actions.pod:517 +#: ../fish/guestfish-actions.pod:525 ../fish/guestfish-actions.pod:533 +msgid "This uses the L command." msgstr "" # type: textblock -#: ../src/guestfs-actions.pod:275 ../fish/guestfish-actions.pod:209 -msgid "Keep the original file with a C<.augsave> extension." +#: ../src/guestfs-actions.pod:664 ../src/guestfs-actions.pod:681 +#: ../src/guestfs-actions.pod:696 ../src/guestfs-actions.pod:712 +#: ../src/guestfs-actions.pod:730 ../src/guestfs-actions.pod:749 +#: ../src/guestfs-actions.pod:763 ../src/guestfs-actions.pod:781 +#: ../src/guestfs-actions.pod:795 ../src/guestfs-actions.pod:809 +msgid "(Added in 0.9.3)" msgstr "" -# type: =item -#: ../src/guestfs-actions.pod:277 ../fish/guestfish-actions.pod:211 -msgid "C = 2" +# type: =head2 +#: ../src/guestfs-actions.pod:666 +msgid "guestfs_blockdev_getbsz" msgstr "" -# type: textblock -#: ../src/guestfs-actions.pod:279 ../fish/guestfish-actions.pod:213 +# type: verbatim +#: ../src/guestfs-actions.pod:668 +#, no-wrap msgid "" -"Save changes into a file with extension C<.augnew>, and do not overwrite " -"original. Overrides C." +" int\n" +" guestfs_blockdev_getbsz (guestfs_h *g,\n" +" const char *device);\n" +"\n" msgstr "" -# type: =item -#: ../src/guestfs-actions.pod:282 ../fish/guestfish-actions.pod:216 -msgid "C = 4" +# type: textblock +#: ../src/guestfs-actions.pod:672 ../fish/guestfish-actions.pod:449 +msgid "This returns the block size of a device." msgstr "" # type: textblock -#: ../src/guestfs-actions.pod:284 ../fish/guestfish-actions.pod:218 -msgid "Typecheck lenses (can be expensive)." +#: ../src/guestfs-actions.pod:674 ../src/guestfs-actions.pod:774 +#: ../fish/guestfish-actions.pod:451 ../fish/guestfish-actions.pod:514 +msgid "" +"(Note this is different from both I and I)." msgstr "" -# type: =item -#: ../src/guestfs-actions.pod:286 ../fish/guestfish-actions.pod:220 -msgid "C = 8" +# type: =head2 +#: ../src/guestfs-actions.pod:683 +msgid "guestfs_blockdev_getro" msgstr "" -# type: textblock -#: ../src/guestfs-actions.pod:288 ../fish/guestfish-actions.pod:222 -msgid "Do not use standard load path for modules." +# type: verbatim +#: ../src/guestfs-actions.pod:685 +#, no-wrap +msgid "" +" int\n" +" guestfs_blockdev_getro (guestfs_h *g,\n" +" const char *device);\n" +"\n" msgstr "" -# type: =item -#: ../src/guestfs-actions.pod:290 ../fish/guestfish-actions.pod:224 -msgid "C = 16" +# type: textblock +#: ../src/guestfs-actions.pod:689 ../fish/guestfish-actions.pod:460 +msgid "" +"Returns a boolean indicating if the block device is read-only (true if read-" +"only, false if not)." msgstr "" # type: textblock -#: ../src/guestfs-actions.pod:292 ../fish/guestfish-actions.pod:226 -msgid "Make save a no-op, just record what would have been changed." +#: ../src/guestfs-actions.pod:694 ../src/guestfs-actions.pod:1396 +#: ../src/guestfs-actions.pod:1411 ../src/guestfs-actions.pod:1891 +#: ../src/guestfs-actions.pod:1902 ../src/guestfs-actions.pod:1974 +#: ../src/guestfs-actions.pod:2029 ../src/guestfs-actions.pod:2044 +#: ../src/guestfs-actions.pod:2069 ../src/guestfs-actions.pod:2092 +#: ../src/guestfs-actions.pod:3010 ../src/guestfs-actions.pod:3024 +#: ../src/guestfs-actions.pod:3039 ../src/guestfs-actions.pod:3053 +#: ../src/guestfs-actions.pod:3069 ../src/guestfs-actions.pod:3084 +#: ../src/guestfs-actions.pod:3100 ../src/guestfs-actions.pod:3114 +#: ../src/guestfs-actions.pod:3127 ../src/guestfs-actions.pod:3141 +#: ../src/guestfs-actions.pod:3156 ../src/guestfs-actions.pod:3171 +#: ../src/guestfs-actions.pod:4585 +msgid "This function returns a C truth value on success or -1 on error." msgstr "" -# type: =item -#: ../src/guestfs-actions.pod:294 ../fish/guestfish-actions.pod:228 -msgid "C = 32" +# type: =head2 +#: ../src/guestfs-actions.pod:698 +msgid "guestfs_blockdev_getsize64" msgstr "" -# type: textblock -#: ../src/guestfs-actions.pod:296 -msgid "Do not load the tree in C." +# type: verbatim +#: ../src/guestfs-actions.pod:700 +#, no-wrap +msgid "" +" int64_t\n" +" guestfs_blockdev_getsize64 (guestfs_h *g,\n" +" const char *device);\n" +"\n" msgstr "" # type: textblock -#: ../src/guestfs-actions.pod:300 -msgid "To close the handle, you can call C." +#: ../src/guestfs-actions.pod:704 ../fish/guestfish-actions.pod:469 +msgid "This returns the size of the device in bytes." msgstr "" # type: textblock -#: ../src/guestfs-actions.pod:302 ../fish/guestfish-actions.pod:236 -msgid "To find out more about Augeas, see L." +#: ../src/guestfs-actions.pod:706 +msgid "See also C." msgstr "" # type: =head2 -#: ../src/guestfs-actions.pod:306 -msgid "guestfs_aug_insert" +#: ../src/guestfs-actions.pod:714 +msgid "guestfs_blockdev_getss" msgstr "" # type: verbatim -#: ../src/guestfs-actions.pod:308 +#: ../src/guestfs-actions.pod:716 #, no-wrap msgid "" -" int guestfs_aug_insert (guestfs_h *g,\n" -"\t\tconst char *augpath,\n" -"\t\tconst char *label,\n" -"\t\tint before);\n" +" int\n" +" guestfs_blockdev_getss (guestfs_h *g,\n" +" const char *device);\n" "\n" msgstr "" # type: textblock -#: ../src/guestfs-actions.pod:313 ../fish/guestfish-actions.pod:242 +#: ../src/guestfs-actions.pod:720 ../fish/guestfish-actions.pod:479 msgid "" -"Create a new sibling C