X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=src%2Fguestfs-internal.h;h=d9e1264d0e5dc16ac0d02fd1f04e06837a3136c5;hp=f8b3e94dac2a9b3e877e2fcce99a90a0e7e34303;hb=f5172902bc9d92451c83dc3c1a85b5aeb975b43a;hpb=1c29849e0bdc731c023cff00d2c2354a41fd2a92 diff --git a/src/guestfs-internal.h b/src/guestfs-internal.h index f8b3e94..d9e1264 100644 --- a/src/guestfs-internal.h +++ b/src/guestfs-internal.h @@ -1,5 +1,5 @@ /* libguestfs - * Copyright (C) 2009-2010 Red Hat Inc. + * Copyright (C) 2009-2011 Red Hat Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public @@ -19,9 +19,10 @@ #ifndef GUESTFS_INTERNAL_H_ #define GUESTFS_INTERNAL_H_ -#ifdef HAVE_PCRE +#include +#include + #include -#endif #define STREQ(a,b) (strcmp((a),(b)) == 0) #define STRCASEEQ(a,b) (strcasecmp((a),(b)) == 0) @@ -42,6 +43,26 @@ #define N_(str) str #endif +#ifdef HAVE_SYS_SDT_H +#include +/* NB: The 'name' parameter is a literal identifier, NOT a string! */ +#define TRACE0(name) DTRACE_PROBE(guestfs, name) +#define TRACE1(name, arg1) \ + DTRACE_PROBE(guestfs, name, (arg1)) +#define TRACE2(name, arg1, arg2) \ + DTRACE_PROBE(guestfs, name, (arg1), (arg2)) +#define TRACE3(name, arg1, arg2, arg3) \ + DTRACE_PROBE(guestfs, name, (arg1), (arg2), (arg3)) +#define TRACE4(name, arg1, arg2, arg3, arg4) \ + DTRACE_PROBE(guestfs, name, (arg1), (arg2), (arg3), (arg4)) +#else +#define TRACE0(name) +#define TRACE1(name, arg1) +#define TRACE2(name, arg1, arg2) +#define TRACE3(name, arg1, arg2, arg3) +#define TRACE4(name, arg1, arg2, arg3, arg4) +#endif + #define TMP_TEMPLATE_ON_STACK(var) \ const char *ttos_tmpdir = guestfs_tmpdir (); \ char var[strlen (ttos_tmpdir) + 32]; \ @@ -57,6 +78,38 @@ #define xdr_uint32_t xdr_u_int32_t #endif +/* Some limits on what the inspection code will read, for safety. */ + +/* Small text configuration files. + * + * The upper limit is for general files that we grep or download. The + * largest such file is probably "txtsetup.sif" from Windows CDs + * (~500K). This number has to be larger than any legitimate file and + * smaller than the protocol message size. + * + * The lower limit is for files parsed by Augeas on the daemon side, + * where Augeas is running in reduced memory and can potentially + * create a lot of metadata so we really need to be careful about + * those. + */ +#define MAX_SMALL_FILE_SIZE (2 * 1000 * 1000) +#define MAX_AUGEAS_FILE_SIZE (100 * 1000) + +/* Maximum Windows Registry hive that we will download to /tmp. Some + * registries can be legitimately very large. + */ +#define MAX_REGISTRY_SIZE (100 * 1000 * 1000) + +/* Maximum RPM or dpkg database we will download to /tmp. RPM + * 'Packages' database can get very large: 70 MB is roughly the + * standard size for a new Fedora install, and after lots of package + * installation/removal I have seen well over 100 MB databases. + */ +#define MAX_PKG_DB_SIZE (300 * 1000 * 1000) + +/* Maximum size of Windows explorer.exe. 2.6MB on Windows 7. */ +#define MAX_WINDOWS_EXPLORER_SIZE (4 * 1000 * 1000) + /* Network configuration of the appliance. Note these addresses are * only meaningful within the context of the running appliance. QEMU * translates network connections to these magic addresses into @@ -81,6 +134,34 @@ /* GuestFS handle and connection. */ enum state { CONFIG, LAUNCHING, READY, BUSY, NO_HANDLE }; +/* Attach method. */ +enum attach_method { ATTACH_METHOD_APPLIANCE = 0, ATTACH_METHOD_UNIX }; + +/* Event. */ +struct event { + uint64_t event_bitmask; + guestfs_event_callback cb; + void *opaque; + + /* opaque2 is not exposed through the API, but is used internally to + * emulate the old-style callback API. + */ + void *opaque2; +}; + +/* Linked list of drives added to the handle. */ +struct drive { + struct drive *next; + + char *path; + + int readonly; + char *format; + char *iface; + char *name; + int use_cache_off; +}; + struct guestfs_h { struct guestfs_h *next; /* Linked list of open handles. */ @@ -88,6 +169,8 @@ struct guestfs_h /* State: see the state machine diagram in the man page guestfs(3). */ enum state state; + struct drive *drives; /* Drives added by add-drive* APIs. */ + int fd[2]; /* Stdin/stdout of qemu. */ int sock; /* Daemon communications socket. */ pid_t pid; /* Qemu PID. */ @@ -100,7 +183,7 @@ struct guestfs_h char *qemu_help, *qemu_version; /* Output of qemu -help, qemu -version. */ char **cmdline; /* Qemu command line. */ - int cmdline_size; + size_t cmdline_size; int verbose; int trace; @@ -113,10 +196,17 @@ struct guestfs_h char *qemu; /* Qemu binary. */ char *append; /* Append to kernel command line. */ + enum attach_method attach_method; + char *attach_method_arg; + int memsize; /* Size of RAM (megabytes). */ int selinux; /* selinux enabled? */ + int pgroup; /* Create process group for children? */ + + int smp; /* If > 1, -smp flag passed to qemu. */ + char *last_error; int last_errnum; /* errno, or 0 if there was no errno */ @@ -124,16 +214,10 @@ struct guestfs_h guestfs_abort_cb abort_cb; guestfs_error_handler_cb error_cb; void * error_cb_data; - guestfs_log_message_cb log_message_cb; - void * log_message_cb_data; - guestfs_subprocess_quit_cb subprocess_quit_cb; - void * subprocess_quit_cb_data; - guestfs_launch_done_cb launch_done_cb; - void * launch_done_cb_data; - guestfs_close_cb close_cb; - void * close_cb_data; - guestfs_progress_cb progress_cb; - void * progress_cb_data; + + /* Events. */ + struct event *events; + size_t nr_events; int msg_next_serial; @@ -145,6 +229,17 @@ struct guestfs_h /* Private data area. */ struct hash_table *pda; + struct pda_entry *pda_next; + + /* Used by src/actions.c:trace_* functions. */ + FILE *trace_fp; + char *trace_buf; + size_t trace_len; + + /* User cancelled transfer. Not signal-atomic, but it doesn't + * matter for this case because we only care if it is != 0. + */ + int user_cancel; }; /* Per-filesystem data stored for inspect_os. */ @@ -152,16 +247,30 @@ enum inspect_fs_content { FS_CONTENT_UNKNOWN = 0, FS_CONTENT_LINUX_ROOT, FS_CONTENT_WINDOWS_ROOT, + FS_CONTENT_WINDOWS_VOLUME_WITH_APPS, + FS_CONTENT_WINDOWS_VOLUME, FS_CONTENT_LINUX_BOOT, FS_CONTENT_LINUX_USR, FS_CONTENT_LINUX_USR_LOCAL, FS_CONTENT_LINUX_VAR, + FS_CONTENT_FREEBSD_ROOT, + FS_CONTENT_NETBSD_ROOT, + FS_CONTENT_INSTALLER, +}; + +enum inspect_os_format { + OS_FORMAT_UNKNOWN = 0, + OS_FORMAT_INSTALLED, + OS_FORMAT_INSTALLER, + /* in future: supplemental disks */ }; enum inspect_os_type { OS_TYPE_UNKNOWN = 0, OS_TYPE_LINUX, OS_TYPE_WINDOWS, + OS_TYPE_FREEBSD, + OS_TYPE_NETBSD, }; enum inspect_os_distro { @@ -176,6 +285,36 @@ enum inspect_os_distro { OS_DISTRO_GENTOO, OS_DISTRO_UBUNTU, OS_DISTRO_MEEGO, + OS_DISTRO_LINUX_MINT, + OS_DISTRO_MANDRIVA, + OS_DISTRO_SLACKWARE, + OS_DISTRO_CENTOS, + OS_DISTRO_SCIENTIFIC_LINUX, + OS_DISTRO_TTYLINUX, + OS_DISTRO_MAGEIA, + OS_DISTRO_OPENSUSE, +}; + +enum inspect_os_package_format { + OS_PACKAGE_FORMAT_UNKNOWN = 0, + OS_PACKAGE_FORMAT_RPM, + OS_PACKAGE_FORMAT_DEB, + OS_PACKAGE_FORMAT_PACMAN, + OS_PACKAGE_FORMAT_EBUILD, + OS_PACKAGE_FORMAT_PISI, + OS_PACKAGE_FORMAT_PKGSRC, +}; + +enum inspect_os_package_management { + OS_PACKAGE_MANAGEMENT_UNKNOWN = 0, + OS_PACKAGE_MANAGEMENT_YUM, + OS_PACKAGE_MANAGEMENT_UP2DATE, + OS_PACKAGE_MANAGEMENT_APT, + OS_PACKAGE_MANAGEMENT_PACMAN, + OS_PACKAGE_MANAGEMENT_PORTAGE, + OS_PACKAGE_MANAGEMENT_PISI, + OS_PACKAGE_MANAGEMENT_URPMI, + OS_PACKAGE_MANAGEMENT_ZYPPER, }; struct inspect_fs { @@ -186,11 +325,21 @@ struct inspect_fs { enum inspect_fs_content content; enum inspect_os_type type; enum inspect_os_distro distro; + enum inspect_os_package_format package_format; + enum inspect_os_package_management package_management; char *product_name; + char *product_variant; int major_version; int minor_version; char *arch; + char *hostname; char *windows_systemroot; + char *windows_current_control_set; + char **drive_mappings; + enum inspect_os_format format; + int is_live_disk; + int is_netinst_disk; + int is_multipart_disk; struct inspect_fstab_entry *fstab; size_t nr_fstab; }; @@ -202,6 +351,7 @@ struct inspect_fstab_entry { struct guestfs_message_header; struct guestfs_message_error; +struct guestfs_progress; extern void guestfs_error (guestfs_h *g, const char *fs, ...) __attribute__((format (printf,2,3))); @@ -213,42 +363,82 @@ extern void *guestfs_safe_realloc (guestfs_h *g, void *ptr, int nbytes); extern char *guestfs_safe_strdup (guestfs_h *g, const char *str); extern char *guestfs_safe_strndup (guestfs_h *g, const char *str, size_t n); extern void *guestfs_safe_memdup (guestfs_h *g, void *ptr, size_t size); -extern void guestfs___print_timestamped_argv (guestfs_h *g, const char *argv[]); +extern char *guestfs_safe_asprintf (guestfs_h *g, const char *fs, ...) + __attribute__((format (printf,2,3))); +extern void guestfs___warning (guestfs_h *g, const char *fs, ...) + __attribute__((format (printf,2,3))); +extern void guestfs___debug (guestfs_h *g, const char *fs, ...) + __attribute__((format (printf,2,3))); +extern void guestfs___trace (guestfs_h *g, const char *fs, ...) + __attribute__((format (printf,2,3))); +extern const char *guestfs___persistent_tmpdir (void); extern void guestfs___print_timestamped_message (guestfs_h *g, const char *fs, ...); extern void guestfs___free_inspect_info (guestfs_h *g); +extern void guestfs___free_drives (struct drive **drives); extern int guestfs___set_busy (guestfs_h *g); extern int guestfs___end_busy (guestfs_h *g); -extern int guestfs___send (guestfs_h *g, int proc_nr, xdrproc_t xdrp, char *args); +extern int guestfs___send (guestfs_h *g, int proc_nr, uint64_t progress_hint, uint64_t optargs_bitmask, xdrproc_t xdrp, char *args); extern int guestfs___recv (guestfs_h *g, const char *fn, struct guestfs_message_header *hdr, struct guestfs_message_error *err, xdrproc_t xdrp, char *ret); +extern int guestfs___recv_discard (guestfs_h *g, const char *fn); extern int guestfs___send_file (guestfs_h *g, const char *filename); extern int guestfs___recv_file (guestfs_h *g, const char *filename); extern int guestfs___send_to_daemon (guestfs_h *g, const void *v_buf, size_t n); extern int guestfs___recv_from_daemon (guestfs_h *g, uint32_t *size_rtn, void **buf_rtn); extern int guestfs___accept_from_daemon (guestfs_h *g); +extern void guestfs___progress_message_callback (guestfs_h *g, const struct guestfs_progress *message); extern int guestfs___build_appliance (guestfs_h *g, char **kernel, char **initrd, char **appliance); +extern void guestfs___launch_send_progress (guestfs_h *g, int perdozen); extern void guestfs___print_BufferIn (FILE *out, const char *buf, size_t buf_size); -#ifdef HAVE_PCRE +extern void guestfs___print_BufferOut (FILE *out, const char *buf, size_t buf_size); extern int guestfs___match (guestfs_h *g, const char *str, const pcre *re); extern char *guestfs___match1 (guestfs_h *g, const char *str, const pcre *re); extern int guestfs___match2 (guestfs_h *g, const char *str, const pcre *re, char **ret1, char **ret2); -#endif +extern int guestfs___match3 (guestfs_h *g, const char *str, const pcre *re, char **ret1, char **ret2, char **ret3); extern int guestfs___feature_available (guestfs_h *g, const char *feature); extern void guestfs___free_string_list (char **); -extern int guestfs___checkpoint_cmdline (guestfs_h *g); -extern void guestfs___rollback_cmdline (guestfs_h *g, int pos); +extern struct drive ** guestfs___checkpoint_drives (guestfs_h *g); +extern void guestfs___rollback_drives (guestfs_h *g, struct drive **i); +extern void guestfs___call_callbacks_void (guestfs_h *g, uint64_t event); +extern void guestfs___call_callbacks_message (guestfs_h *g, uint64_t event, const char *buf, size_t buf_len); +extern void guestfs___call_callbacks_array (guestfs_h *g, uint64_t event, const uint64_t *array, size_t array_len); +extern int guestfs___is_file_nocase (guestfs_h *g, const char *); +extern int guestfs___is_dir_nocase (guestfs_h *g, const char *); +extern char *guestfs___download_to_tmp (guestfs_h *g, struct inspect_fs *fs, const char *filename, const char *basename, int64_t max_size); +extern char *guestfs___case_sensitive_path_silently (guestfs_h *g, const char *); +extern struct inspect_fs *guestfs___search_for_root (guestfs_h *g, const char *root); + +#if defined(HAVE_HIVEX) +extern int guestfs___check_for_filesystem_on (guestfs_h *g, const char *device, int is_block, int is_partnum); +extern int guestfs___parse_unsigned_int (guestfs_h *g, const char *str); +extern int guestfs___parse_unsigned_int_ignore_trailing (guestfs_h *g, const char *str); +extern int guestfs___parse_major_minor (guestfs_h *g, struct inspect_fs *fs); +extern char *guestfs___first_line_of_file (guestfs_h *g, const char *filename); +extern int guestfs___first_egrep_of_file (guestfs_h *g, const char *filename, const char *eregex, int iflag, char **ret); +typedef int (*guestfs___db_dump_callback) (guestfs_h *g, const unsigned char *key, size_t keylen, const unsigned char *value, size_t valuelen, void *opaque); +extern int guestfs___read_db_dump (guestfs_h *g, const char *dumpfile, void *opaque, guestfs___db_dump_callback callback); +extern int guestfs___check_installer_root (guestfs_h *g, struct inspect_fs *fs); +extern int guestfs___check_linux_root (guestfs_h *g, struct inspect_fs *fs); +extern int guestfs___check_freebsd_root (guestfs_h *g, struct inspect_fs *fs); +extern int guestfs___check_netbsd_root (guestfs_h *g, struct inspect_fs *fs); +extern int guestfs___has_windows_systemroot (guestfs_h *g); +extern int guestfs___check_windows_root (guestfs_h *g, struct inspect_fs *fs); +#endif #define error(g,...) guestfs_error_errno((g),0,__VA_ARGS__) #define perrorf guestfs_perrorf +#define warning(g,...) guestfs___warning((g),__VA_ARGS__) +#define debug(g,...) \ + do { if ((g)->verbose) guestfs___debug ((g),__VA_ARGS__); } while (0) #define safe_calloc guestfs_safe_calloc #define safe_malloc guestfs_safe_malloc #define safe_realloc guestfs_safe_realloc #define safe_strdup guestfs_safe_strdup #define safe_strndup guestfs_safe_strndup #define safe_memdup guestfs_safe_memdup -#ifdef HAVE_PCRE +#define safe_asprintf guestfs_safe_asprintf #define match guestfs___match #define match1 guestfs___match1 #define match2 guestfs___match2 -#endif +#define match3 guestfs___match3 #endif /* GUESTFS_INTERNAL_H_ */