/* libguestfs * Copyright (C) 2009-2010 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 * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * 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. * * 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 */ #ifndef GUESTFS_INTERNAL_H_ #define GUESTFS_INTERNAL_H_ #include #include #ifdef HAVE_PCRE #include #endif #define STREQ(a,b) (strcmp((a),(b)) == 0) #define STRCASEEQ(a,b) (strcasecmp((a),(b)) == 0) #define STRNEQ(a,b) (strcmp((a),(b)) != 0) #define STRCASENEQ(a,b) (strcasecmp((a),(b)) != 0) #define STREQLEN(a,b,n) (strncmp((a),(b),(n)) == 0) #define STRCASEEQLEN(a,b,n) (strncasecmp((a),(b),(n)) == 0) #define STRNEQLEN(a,b,n) (strncmp((a),(b),(n)) != 0) #define STRCASENEQLEN(a,b,n) (strncasecmp((a),(b),(n)) != 0) #define STRPREFIX(a,b) (strncmp((a),(b),strlen((b))) == 0) #ifdef HAVE_GETTEXT #include "gettext.h" #define _(str) dgettext(PACKAGE, (str)) #define N_(str) dgettext(PACKAGE, (str)) #else #define _(str) str #define N_(str) str #endif #define TMP_TEMPLATE_ON_STACK(var) \ const char *ttos_tmpdir = guestfs_tmpdir (); \ char var[strlen (ttos_tmpdir) + 32]; \ sprintf (var, "%s/libguestfsXXXXXX", ttos_tmpdir) \ #define UNIX_PATH_MAX 108 #ifndef MAX #define MAX(a,b) ((a)>(b)?(a):(b)) #endif #ifdef __APPLE__ #define xdr_uint32_t xdr_u_int32_t #endif /* 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 * userspace calls on the host (eg. connect(2)). qemu-doc has a nice * diagram which is also useful to refer to. * * NETWORK: The network. * * ROUTER: The address of the "host", ie. this library. * * [Note: If you change NETWORK and ROUTER then you also have to * change the network configuration in appliance/init]. * * GUESTFWD_ADDR, GUESTFWD_PORT: The guestfwd feature of qemu * magically connects this pseudo-address to the guestfwd channel. In * typical Linux configurations of libguestfs, guestfwd is not * actually used any more. */ #define NETWORK "169.254.0.0/16" #define ROUTER "169.254.2.2" /* GuestFS handle and connection. */ enum state { CONFIG, LAUNCHING, READY, BUSY, NO_HANDLE }; struct guestfs_h { struct guestfs_h *next; /* Linked list of open handles. */ /* State: see the state machine diagram in the man page guestfs(3). */ enum state state; int fd[2]; /* Stdin/stdout of qemu. */ int sock; /* Daemon communications socket. */ pid_t pid; /* Qemu PID. */ pid_t recoverypid; /* Recovery process PID. */ struct timeval launch_t; /* The time that we called guestfs_launch. */ char *tmpdir; /* Temporary directory containing socket. */ char *qemu_help, *qemu_version; /* Output of qemu -help, qemu -version. */ char **cmdline; /* Qemu command line. */ int cmdline_size; int verbose; int trace; int autosync; int direct; int recovery_proc; int enable_network; char *path; /* Path to kernel, initrd. */ char *qemu; /* Qemu binary. */ char *append; /* Append to kernel command line. */ int memsize; /* Size of RAM (megabytes). */ int selinux; /* selinux enabled? */ char *last_error; int last_errnum; /* errno, or 0 if there was no errno */ /* Callbacks. */ 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; int msg_next_serial; /* Information gathered by inspect_os. Must be freed by calling * guestfs___free_inspect_info. */ struct inspect_fs *fses; size_t nr_fses; /* Private data area. */ struct hash_table *pda; }; /* Per-filesystem data stored for inspect_os. */ enum inspect_fs_content { FS_CONTENT_UNKNOWN = 0, FS_CONTENT_LINUX_ROOT, FS_CONTENT_WINDOWS_ROOT, FS_CONTENT_LINUX_BOOT, FS_CONTENT_LINUX_USR, FS_CONTENT_LINUX_USR_LOCAL, FS_CONTENT_LINUX_VAR, FS_CONTENT_FREEBSD_ROOT, }; enum inspect_os_type { OS_TYPE_UNKNOWN = 0, OS_TYPE_LINUX, OS_TYPE_WINDOWS, OS_TYPE_FREEBSD, }; enum inspect_os_distro { OS_DISTRO_UNKNOWN = 0, OS_DISTRO_DEBIAN, OS_DISTRO_FEDORA, OS_DISTRO_REDHAT_BASED, OS_DISTRO_RHEL, OS_DISTRO_WINDOWS, OS_DISTRO_PARDUS, OS_DISTRO_ARCHLINUX, OS_DISTRO_GENTOO, OS_DISTRO_UBUNTU, OS_DISTRO_MEEGO, OS_DISTRO_LINUX_MINT, OS_DISTRO_MANDRIVA, }; 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 }; 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, }; struct inspect_fs { int is_root; char *device; int is_mountable; int is_swap; 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; int major_version; int minor_version; char *arch; char *hostname; char *windows_systemroot; struct inspect_fstab_entry *fstab; size_t nr_fstab; }; struct inspect_fstab_entry { char *device; char *mountpoint; }; struct guestfs_message_header; struct guestfs_message_error; extern void guestfs_error (guestfs_h *g, const char *fs, ...) __attribute__((format (printf,2,3))); extern void guestfs_error_errno (guestfs_h *g, int errnum, const char *fs, ...) __attribute__((format (printf,3,4))); extern void guestfs_perrorf (guestfs_h *g, const char *fs, ...) __attribute__((format (printf,2,3))); 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 char *guestfs_safe_asprintf (guestfs_h *g, const char *fs, ...) __attribute__((format (printf,2,3))); extern void guestfs___print_timestamped_argv (guestfs_h *g, const char *argv[]); extern void guestfs___print_timestamped_message (guestfs_h *g, const char *fs, ...); extern void guestfs___free_inspect_info (guestfs_h *g); 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, 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___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 int guestfs___build_appliance (guestfs_h *g, char **kernel, char **initrd, char **appliance); extern void guestfs___print_BufferIn (FILE *out, const char *buf, size_t buf_size); extern void guestfs___print_BufferOut (FILE *out, const char *buf, size_t buf_size); #ifdef HAVE_PCRE 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); extern int guestfs___match3 (guestfs_h *g, const char *str, const pcre *re, char **ret1, char **ret2, char **ret3); #endif 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); #define error(g,...) guestfs_error_errno((g),0,__VA_ARGS__) #define perrorf guestfs_perrorf #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 #define safe_asprintf guestfs_safe_asprintf #ifdef HAVE_PCRE #define match guestfs___match #define match1 guestfs___match1 #define match2 guestfs___match2 #define match3 guestfs___match3 #endif #endif /* GUESTFS_INTERNAL_H_ */