2 * Copyright (C) 2009-2010 Red Hat Inc.
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 #ifndef GUESTFS_INTERNAL_H_
20 #define GUESTFS_INTERNAL_H_
22 #include <rpc/types.h>
29 #define STREQ(a,b) (strcmp((a),(b)) == 0)
30 #define STRCASEEQ(a,b) (strcasecmp((a),(b)) == 0)
31 #define STRNEQ(a,b) (strcmp((a),(b)) != 0)
32 #define STRCASENEQ(a,b) (strcasecmp((a),(b)) != 0)
33 #define STREQLEN(a,b,n) (strncmp((a),(b),(n)) == 0)
34 #define STRCASEEQLEN(a,b,n) (strncasecmp((a),(b),(n)) == 0)
35 #define STRNEQLEN(a,b,n) (strncmp((a),(b),(n)) != 0)
36 #define STRCASENEQLEN(a,b,n) (strncasecmp((a),(b),(n)) != 0)
37 #define STRPREFIX(a,b) (strncmp((a),(b),strlen((b))) == 0)
41 #define _(str) dgettext(PACKAGE, (str))
42 #define N_(str) dgettext(PACKAGE, (str))
48 #define TMP_TEMPLATE_ON_STACK(var) \
49 const char *ttos_tmpdir = guestfs_tmpdir (); \
50 char var[strlen (ttos_tmpdir) + 32]; \
51 sprintf (var, "%s/libguestfsXXXXXX", ttos_tmpdir) \
53 #define UNIX_PATH_MAX 108
56 #define MAX(a,b) ((a)>(b)?(a):(b))
60 #define xdr_uint32_t xdr_u_int32_t
63 /* Network configuration of the appliance. Note these addresses are
64 * only meaningful within the context of the running appliance. QEMU
65 * translates network connections to these magic addresses into
66 * userspace calls on the host (eg. connect(2)). qemu-doc has a nice
67 * diagram which is also useful to refer to.
69 * NETWORK: The network.
71 * ROUTER: The address of the "host", ie. this library.
73 * [Note: If you change NETWORK and ROUTER then you also have to
74 * change the network configuration in appliance/init].
76 * GUESTFWD_ADDR, GUESTFWD_PORT: The guestfwd feature of qemu
77 * magically connects this pseudo-address to the guestfwd channel. In
78 * typical Linux configurations of libguestfs, guestfwd is not
79 * actually used any more.
81 #define NETWORK "169.254.0.0/16"
82 #define ROUTER "169.254.2.2"
84 /* GuestFS handle and connection. */
85 enum state { CONFIG, LAUNCHING, READY, BUSY, NO_HANDLE };
89 struct guestfs_h *next; /* Linked list of open handles. */
91 /* State: see the state machine diagram in the man page guestfs(3). */
94 int fd[2]; /* Stdin/stdout of qemu. */
95 int sock; /* Daemon communications socket. */
96 pid_t pid; /* Qemu PID. */
97 pid_t recoverypid; /* Recovery process PID. */
99 struct timeval launch_t; /* The time that we called guestfs_launch. */
101 char *tmpdir; /* Temporary directory containing socket. */
103 char *qemu_help, *qemu_version; /* Output of qemu -help, qemu -version. */
105 char **cmdline; /* Qemu command line. */
115 char *path; /* Path to kernel, initrd. */
116 char *qemu; /* Qemu binary. */
117 char *append; /* Append to kernel command line. */
119 int memsize; /* Size of RAM (megabytes). */
121 int selinux; /* selinux enabled? */
124 int last_errnum; /* errno, or 0 if there was no errno */
127 guestfs_abort_cb abort_cb;
128 guestfs_error_handler_cb error_cb;
129 void * error_cb_data;
130 guestfs_log_message_cb log_message_cb;
131 void * log_message_cb_data;
132 guestfs_subprocess_quit_cb subprocess_quit_cb;
133 void * subprocess_quit_cb_data;
134 guestfs_launch_done_cb launch_done_cb;
135 void * launch_done_cb_data;
136 guestfs_close_cb close_cb;
137 void * close_cb_data;
138 guestfs_progress_cb progress_cb;
139 void * progress_cb_data;
143 /* Information gathered by inspect_os. Must be freed by calling
144 * guestfs___free_inspect_info.
146 struct inspect_fs *fses;
149 /* Private data area. */
150 struct hash_table *pda;
153 /* Per-filesystem data stored for inspect_os. */
154 enum inspect_fs_content {
155 FS_CONTENT_UNKNOWN = 0,
156 FS_CONTENT_LINUX_ROOT,
157 FS_CONTENT_WINDOWS_ROOT,
158 FS_CONTENT_LINUX_BOOT,
159 FS_CONTENT_LINUX_USR,
160 FS_CONTENT_LINUX_USR_LOCAL,
161 FS_CONTENT_LINUX_VAR,
162 FS_CONTENT_FREEBSD_ROOT,
165 enum inspect_os_type {
172 enum inspect_os_distro {
173 OS_DISTRO_UNKNOWN = 0,
176 OS_DISTRO_REDHAT_BASED,
184 OS_DISTRO_LINUX_MINT,
188 enum inspect_os_package_format {
189 OS_PACKAGE_FORMAT_UNKNOWN = 0,
190 OS_PACKAGE_FORMAT_RPM,
191 OS_PACKAGE_FORMAT_DEB,
192 OS_PACKAGE_FORMAT_PACMAN,
193 OS_PACKAGE_FORMAT_EBUILD,
194 OS_PACKAGE_FORMAT_PISI
197 enum inspect_os_package_management {
198 OS_PACKAGE_MANAGEMENT_UNKNOWN = 0,
199 OS_PACKAGE_MANAGEMENT_YUM,
200 OS_PACKAGE_MANAGEMENT_UP2DATE,
201 OS_PACKAGE_MANAGEMENT_APT,
202 OS_PACKAGE_MANAGEMENT_PACMAN,
203 OS_PACKAGE_MANAGEMENT_PORTAGE,
204 OS_PACKAGE_MANAGEMENT_PISI,
205 OS_PACKAGE_MANAGEMENT_URPMI,
213 enum inspect_fs_content content;
214 enum inspect_os_type type;
215 enum inspect_os_distro distro;
216 enum inspect_os_package_format package_format;
217 enum inspect_os_package_management package_management;
223 char *windows_systemroot;
224 struct inspect_fstab_entry *fstab;
228 struct inspect_fstab_entry {
233 struct guestfs_message_header;
234 struct guestfs_message_error;
236 extern void guestfs_error (guestfs_h *g, const char *fs, ...)
237 __attribute__((format (printf,2,3)));
238 extern void guestfs_error_errno (guestfs_h *g, int errnum, const char *fs, ...)
239 __attribute__((format (printf,3,4)));
240 extern void guestfs_perrorf (guestfs_h *g, const char *fs, ...)
241 __attribute__((format (printf,2,3)));
242 extern void *guestfs_safe_realloc (guestfs_h *g, void *ptr, int nbytes);
243 extern char *guestfs_safe_strdup (guestfs_h *g, const char *str);
244 extern char *guestfs_safe_strndup (guestfs_h *g, const char *str, size_t n);
245 extern void *guestfs_safe_memdup (guestfs_h *g, void *ptr, size_t size);
246 extern char *guestfs_safe_asprintf (guestfs_h *g, const char *fs, ...)
247 __attribute__((format (printf,2,3)));
248 extern void guestfs___print_timestamped_argv (guestfs_h *g, const char *argv[]);
249 extern void guestfs___print_timestamped_message (guestfs_h *g, const char *fs, ...);
250 extern void guestfs___free_inspect_info (guestfs_h *g);
251 extern int guestfs___set_busy (guestfs_h *g);
252 extern int guestfs___end_busy (guestfs_h *g);
253 extern int guestfs___send (guestfs_h *g, int proc_nr, uint64_t progress_hint, uint64_t optargs_bitmask, xdrproc_t xdrp, char *args);
254 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);
255 extern int guestfs___send_file (guestfs_h *g, const char *filename);
256 extern int guestfs___recv_file (guestfs_h *g, const char *filename);
257 extern int guestfs___send_to_daemon (guestfs_h *g, const void *v_buf, size_t n);
258 extern int guestfs___recv_from_daemon (guestfs_h *g, uint32_t *size_rtn, void **buf_rtn);
259 extern int guestfs___accept_from_daemon (guestfs_h *g);
260 extern int guestfs___build_appliance (guestfs_h *g, char **kernel, char **initrd, char **appliance);
261 extern void guestfs___print_BufferIn (FILE *out, const char *buf, size_t buf_size);
262 extern void guestfs___print_BufferOut (FILE *out, const char *buf, size_t buf_size);
264 extern int guestfs___match (guestfs_h *g, const char *str, const pcre *re);
265 extern char *guestfs___match1 (guestfs_h *g, const char *str, const pcre *re);
266 extern int guestfs___match2 (guestfs_h *g, const char *str, const pcre *re, char **ret1, char **ret2);
267 extern int guestfs___match3 (guestfs_h *g, const char *str, const pcre *re, char **ret1, char **ret2, char **ret3);
269 extern int guestfs___feature_available (guestfs_h *g, const char *feature);
270 extern void guestfs___free_string_list (char **);
271 extern int guestfs___checkpoint_cmdline (guestfs_h *g);
272 extern void guestfs___rollback_cmdline (guestfs_h *g, int pos);
274 #define error(g,...) guestfs_error_errno((g),0,__VA_ARGS__)
275 #define perrorf guestfs_perrorf
276 #define safe_calloc guestfs_safe_calloc
277 #define safe_malloc guestfs_safe_malloc
278 #define safe_realloc guestfs_safe_realloc
279 #define safe_strdup guestfs_safe_strdup
280 #define safe_strndup guestfs_safe_strndup
281 #define safe_memdup guestfs_safe_memdup
282 #define safe_asprintf guestfs_safe_asprintf
284 #define match guestfs___match
285 #define match1 guestfs___match1
286 #define match2 guestfs___match2
287 #define match3 guestfs___match3
290 #endif /* GUESTFS_INTERNAL_H_ */