X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=examples%2Fto-xml.c;h=537ae915fbcfa5cd31bf417ad59b8d93d8b35e4e;hp=eba3a7a3d6d8ebb8ee8289ad1a42cb9f62936f13;hb=a554c62b709491401c9d3db744c21f6e543e11ba;hpb=7fe2b338e4102a23ecd2f89b447b7618f0e93312 diff --git a/examples/to-xml.c b/examples/to-xml.c index eba3a7a..537ae91 100644 --- a/examples/to-xml.c +++ b/examples/to-xml.c @@ -7,10 +7,16 @@ * to-xml guest.img [guest.img ...] */ +#if HAVE_CONFIG_H +# include +#endif #include #include #include +#include +#include #include +#include #include @@ -19,10 +25,11 @@ * to stderr already. */ #define CALL(call,errcode) \ - if ((call) == (errcode)) exit (1); + if ((call) == (errcode)) exit (EXIT_FAILURE); static void display_partition (guestfs_h *g, const char *dev); static void display_partitions (guestfs_h *g, const char *dev); +static void display_ext234 (guestfs_h *g, const char *dev, const char *fstype); int main (int argc, char *argv[]) @@ -32,19 +39,18 @@ main (int argc, char *argv[]) if (argc < 2 || access (argv[1], F_OK) != 0) { fprintf (stderr, "Usage: to-xml guest.img [guest.img ...]\n"); - exit (1); + exit (EXIT_FAILURE); } if (!(g = guestfs_create ())) { fprintf (stderr, "Cannot create libguestfs handle.\n"); - exit (1); + exit (EXIT_FAILURE); } for (i = 1; i < argc; ++i) CALL (guestfs_add_drive (g, argv[i]), -1); CALL (guestfs_launch (g), -1); - CALL (guestfs_wait_ready (g), -1); printf ("\n"); @@ -55,8 +61,10 @@ main (int argc, char *argv[]) CALL (devices = guestfs_list_devices (g), NULL); printf ("\n"); for (i = 0; devices[i] != NULL; ++i) { - printf ("\n", devices[i]); - display_partition (g, devices[i]); + int64_t size; + CALL (size = guestfs_blockdev_getsize64 (g, devices[i]), -1); + printf ("\n", devices[i], size); + display_partitions (g, devices[i]); free (devices[i]); printf ("\n"); } @@ -80,12 +88,14 @@ main (int argc, char *argv[]) int j; for (j = 0; lvs[j] != NULL; ++j) { if (strncmp (lvs[j], "/dev/", 5) == 0 && - strncmp (&lvs[j][5], vgs[i], len) == 0 && - lvs[j][len+5] == '/') { - printf ("\n", lvs[j]); - display_partition (g, lvs[j]); - printf ("\n"); - free (lvs[j]); + strncmp (&lvs[j][5], vgs[i], len) == 0 && + lvs[j][len+5] == '/') { + int64_t size; + CALL (size = guestfs_blockdev_getsize64 (g, lvs[j]), -1); + printf ("\n", lvs[j], size); + display_partition (g, lvs[j]); + printf ("\n"); + free (lvs[j]); } } @@ -110,14 +120,21 @@ display_partition (guestfs_h *g, const char *dev) CALL (what = guestfs_file (g, dev), NULL); - if (strstr (what, "boot sector") != NULL) + if (strcmp (what, "x86 boot sector") == 0) + /* This is what 'file' program shows for Windows/NTFS partitions. */ + printf ("\n"); + else if (strstr (what, "boot sector") != NULL) display_partitions (g, dev); else if (strncmp (what, "LVM2", 4) == 0) printf ("\n"); - else if (strstr (what, "ext2 filesystem data") == 0) - printf ("\n"); - else if (strstr (what, "ext3 filesystem data") == 0) - printf ("\n"); + else if (strstr (what, "ext2 filesystem data") != NULL) + display_ext234 (g, dev, "ext2"); + else if (strstr (what, "ext3 filesystem data") != NULL) + display_ext234 (g, dev, "ext3"); + else if (strstr (what, "ext4 filesystem data") != NULL) + display_ext234 (g, dev, "ext4"); + else if (strstr (what, "Linux/i386 swap file") != NULL) + printf ("\n"); else printf ("\n"); @@ -128,11 +145,11 @@ display_partition (guestfs_h *g, const char *dev) static void display_partitions (guestfs_h *g, const char *dev) { - /* We can't look into a boot sector which is an LV. That's - * a limitation of sorts of the Linux kernel. (Actually, we - * could do this if we add the kpartx program to libguestfs). + /* We can't look into a boot sector which is an LV or partition. + * That's a limitation of sorts of the Linux kernel. (Actually, + * we could do this if we add the kpartx program to libguestfs). */ - if (strncmp (dev, "/dev/sd", 7) != 0) { + if (strncmp (dev, "/dev/sd", 7) != 0 || isdigit (dev[strlen(dev)-1])) { printf ("\n", dev); return; } @@ -146,7 +163,9 @@ display_partitions (guestfs_h *g, const char *dev) for (i = 0; parts[i] != NULL; ++i) { /* Only display partition if it's in the device. */ if (strncmp (parts[i], dev, len) == 0) { - printf ("\n", parts[i]); + int64_t size; + CALL (size = guestfs_blockdev_getsize64 (g, parts[i]), -1); + printf ("\n", parts[i], size); display_partition (g, parts[i]); printf ("\n"); } @@ -156,3 +175,30 @@ display_partitions (guestfs_h *g, const char *dev) free (parts); printf ("\n"); } + +/* Display some details on the ext2/3/4 filesystem on dev. */ +static void +display_ext234 (guestfs_h *g, const char *dev, const char *fstype) +{ + char **sbfields; + int i; + + printf ("\n", fstype); + CALL (sbfields = guestfs_tune2fs_l (g, dev), NULL); + + for (i = 0; sbfields[i] != NULL; i += 2) { + /* Just pick out a few important fields to display. There + * is much more that could be displayed here. + */ + if (strcmp (sbfields[i], "Filesystem UUID") == 0) + printf ("%s\n", sbfields[i+1]); + else if (strcmp (sbfields[i], "Block size") == 0) + printf ("%s\n", sbfields[i+1]); + + free (sbfields[i]); + free (sbfields[i+1]); + } + free (sbfields); + + printf ("\n"); +}