2 * Copyright (C) 2010-2011 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
41 #include "ignore-value.h"
45 #include "guestfs-internal.h"
46 #include "guestfs-internal-actions.h"
47 #include "guestfs_protocol.h"
49 #if defined(HAVE_PCRE) && defined(HAVE_HIVEX)
52 static struct guestfs_application_list *list_applications_rpm (guestfs_h *g, struct inspect_fs *fs);
54 static struct guestfs_application_list *list_applications_deb (guestfs_h *g, struct inspect_fs *fs);
55 static struct guestfs_application_list *list_applications_windows (guestfs_h *g, struct inspect_fs *fs);
56 static void add_application (guestfs_h *g, struct guestfs_application_list *, const char *name, const char *display_name, int32_t epoch, const char *version, const char *release, const char *install_path, const char *publisher, const char *url, const char *description);
57 static void sort_applications (struct guestfs_application_list *);
59 /* Unlike the simple inspect-get-* calls, this one assumes that the
60 * disks are mounted up, and reads files from the mounted disks.
62 struct guestfs_application_list *
63 guestfs__inspect_list_applications (guestfs_h *g, const char *root)
65 struct inspect_fs *fs = guestfs___search_for_root (g, root);
69 struct guestfs_application_list *ret = NULL;
71 /* Presently we can only list applications for installed disks. It
72 * is possible in future to get lists of packages from installers.
74 if (fs->format == OS_FORMAT_INSTALLED) {
77 switch (fs->package_format) {
78 case OS_PACKAGE_FORMAT_RPM:
80 ret = list_applications_rpm (g, fs);
86 case OS_PACKAGE_FORMAT_DEB:
87 ret = list_applications_deb (g, fs);
92 case OS_PACKAGE_FORMAT_PACMAN:
93 case OS_PACKAGE_FORMAT_EBUILD:
94 case OS_PACKAGE_FORMAT_PISI:
95 case OS_PACKAGE_FORMAT_UNKNOWN:
97 /* nothing - keep GCC happy */;
101 case OS_TYPE_WINDOWS:
102 ret = list_applications_windows (g, fs);
107 case OS_TYPE_FREEBSD:
108 case OS_TYPE_UNKNOWN:
110 /* nothing - keep GCC happy */;
115 /* Don't know how to do inspection. Not an error, return an
118 ret = safe_malloc (g, sizeof *ret);
123 sort_applications (ret);
131 read_rpm_name (guestfs_h *g,
132 const unsigned char *key, size_t keylen,
133 const unsigned char *value, size_t valuelen,
136 struct guestfs_application_list *apps = appsv;
139 /* The name (key) field won't be NUL-terminated, so we must do that. */
140 name = safe_malloc (g, keylen+1);
141 memcpy (name, key, keylen);
144 add_application (g, apps, name, "", 0, "", "", "", "", "", "");
151 static struct guestfs_application_list *
152 list_applications_rpm (guestfs_h *g, struct inspect_fs *fs)
156 Name = guestfs___download_to_tmp (g, fs,
157 "/var/lib/rpm/Name", "rpm_Name",
162 /* Allocate 'apps' list. */
163 struct guestfs_application_list *apps;
164 apps = safe_malloc (g, sizeof *apps);
168 if (guestfs___read_db_dump (g, Name, apps, read_rpm_name) == -1) {
169 guestfs_free_application_list (apps);
177 #endif /* defined DB_DUMP */
179 static struct guestfs_application_list *
180 list_applications_deb (guestfs_h *g, struct inspect_fs *fs)
183 status = guestfs___download_to_tmp (g, fs, "/var/lib/dpkg/status", "status",
188 struct guestfs_application_list *apps = NULL, *ret = NULL;
192 char *name = NULL, *version = NULL, *release = NULL;
193 int installed_flag = 0;
195 fp = fopen (status, "r");
197 perrorf (g, "fopen: %s", status);
201 /* Allocate 'apps' list. */
202 apps = safe_malloc (g, sizeof *apps);
206 /* Read the temporary file. Each package entry is separated by
208 * XXX Strictly speaking this is in mailbox header format, so it
209 * would be possible for fields to spread across multiple lines,
210 * although for the short fields that we are concerned about this is
211 * unlikely and not seen in practice.
213 while (fgets (line, sizeof line, fp) != NULL) {
215 if (len > 0 && line[len-1] == '\n') {
220 if (STRPREFIX (line, "Package: ")) {
222 name = safe_strdup (g, &line[9]);
224 else if (STRPREFIX (line, "Status: ")) {
225 installed_flag = strstr (&line[8], "installed") != NULL;
227 else if (STRPREFIX (line, "Version: ")) {
230 char *p = strchr (&line[9], '-');
233 version = safe_strdup (g, &line[9]);
234 release = safe_strdup (g, p+1);
236 version = safe_strdup (g, &line[9]);
240 else if (STREQ (line, "")) {
241 if (installed_flag && name && version)
242 add_application (g, apps, name, "", 0, version, release ? : "",
247 name = version = release = NULL;
252 if (fclose (fp) == -1) {
253 perrorf (g, "fclose: %s", status);
261 if (ret == NULL && apps != NULL)
262 guestfs_free_application_list (apps);
272 static void list_applications_windows_from_path (guestfs_h *g, hive_h *h, struct guestfs_application_list *apps, const char **path, size_t path_len);
274 static struct guestfs_application_list *
275 list_applications_windows (guestfs_h *g, struct inspect_fs *fs)
277 size_t len = strlen (fs->windows_systemroot) + 64;
279 snprintf (software, len, "%s/system32/config/software",
280 fs->windows_systemroot);
282 char *software_path = guestfs___case_sensitive_path_silently (g, software);
283 if (!software_path) {
284 /* Missing software hive is a problem. */
285 error (g, "no HKLM\\SOFTWARE hive found in the guest");
289 char *software_hive = NULL;
290 struct guestfs_application_list *ret = NULL;
293 software_hive = guestfs___download_to_tmp (g, fs, software_path, "software",
295 if (software_hive == NULL)
298 free (software_path);
299 software_path = NULL;
301 h = hivex_open (software_hive, g->verbose ? HIVEX_OPEN_VERBOSE : 0);
303 perrorf (g, "hivex_open");
307 /* Allocate apps list. */
308 ret = safe_malloc (g, sizeof *ret);
312 /* Ordinary native applications. */
313 const char *hivepath[] =
314 { "Microsoft", "Windows", "CurrentVersion", "Uninstall" };
315 list_applications_windows_from_path (g, h, ret, hivepath,
316 sizeof hivepath / sizeof hivepath[0]);
318 /* 32-bit emulated Windows apps running on the WOW64 emulator.
319 * http://support.microsoft.com/kb/896459 (RHBZ#692545).
321 const char *hivepath2[] =
322 { "WOW6432node", "Microsoft", "Windows", "CurrentVersion", "Uninstall" };
323 list_applications_windows_from_path (g, h, ret, hivepath2,
324 sizeof hivepath2 / sizeof hivepath2[0]);
327 if (h) hivex_close (h);
328 free (software_path);
329 free (software_hive);
335 list_applications_windows_from_path (guestfs_h *g, hive_h *h,
336 struct guestfs_application_list *apps,
337 const char **path, size_t path_len)
339 hive_node_h *children = NULL;
343 node = hivex_root (h);
345 for (i = 0; node != 0 && i < path_len; ++i)
346 node = hivex_node_get_child (h, node, path[i]);
351 children = hivex_node_children (h, node);
352 if (children == NULL)
355 /* Consider any child node that has a DisplayName key.
357 * http://nsis.sourceforge.net/Add_uninstall_information_to_Add/Remove_Programs#Optional_values
359 for (i = 0; children[i] != 0; ++i) {
362 char *display_name = NULL;
363 char *version = NULL;
364 char *install_path = NULL;
365 char *publisher = NULL;
367 char *comments = NULL;
369 /* Use the node name as a proxy for the package name in Linux. The
370 * display name is not language-independent, so it cannot be used.
372 name = hivex_node_name (h, children[i]);
376 value = hivex_node_get_value (h, children[i], "DisplayName");
378 display_name = hivex_value_string (h, value);
380 value = hivex_node_get_value (h, children[i], "DisplayVersion");
382 version = hivex_value_string (h, value);
383 value = hivex_node_get_value (h, children[i], "InstallLocation");
385 install_path = hivex_value_string (h, value);
386 value = hivex_node_get_value (h, children[i], "Publisher");
388 publisher = hivex_value_string (h, value);
389 value = hivex_node_get_value (h, children[i], "URLInfoAbout");
391 url = hivex_value_string (h, value);
392 value = hivex_node_get_value (h, children[i], "Comments");
394 comments = hivex_value_string (h, value);
396 add_application (g, apps, name, display_name, 0,
419 add_application (guestfs_h *g, struct guestfs_application_list *apps,
420 const char *name, const char *display_name, int32_t epoch,
421 const char *version, const char *release,
422 const char *install_path,
423 const char *publisher, const char *url,
424 const char *description)
427 apps->val = safe_realloc (g, apps->val,
428 apps->len * sizeof (struct guestfs_application));
429 apps->val[apps->len-1].app_name = safe_strdup (g, name);
430 apps->val[apps->len-1].app_display_name = safe_strdup (g, display_name);
431 apps->val[apps->len-1].app_epoch = epoch;
432 apps->val[apps->len-1].app_version = safe_strdup (g, version);
433 apps->val[apps->len-1].app_release = safe_strdup (g, release);
434 apps->val[apps->len-1].app_install_path = safe_strdup (g, install_path);
435 /* XXX Translated path is not implemented yet. */
436 apps->val[apps->len-1].app_trans_path = safe_strdup (g, "");
437 apps->val[apps->len-1].app_publisher = safe_strdup (g, publisher);
438 apps->val[apps->len-1].app_url = safe_strdup (g, url);
439 /* XXX The next two are not yet implemented for any package
440 * format, but we could easily support them for rpm and deb.
442 apps->val[apps->len-1].app_source_package = safe_strdup (g, "");
443 apps->val[apps->len-1].app_summary = safe_strdup (g, "");
444 apps->val[apps->len-1].app_description = safe_strdup (g, description);
447 /* Sort applications by name before returning the list. */
449 compare_applications (const void *vp1, const void *vp2)
451 const struct guestfs_application *v1 = vp1;
452 const struct guestfs_application *v2 = vp2;
454 return strcmp (v1->app_name, v2->app_name);
458 sort_applications (struct guestfs_application_list *apps)
460 if (apps && apps->val)
461 qsort (apps->val, apps->len, sizeof (struct guestfs_application),
462 compare_applications);
465 #else /* no PCRE or hivex at compile time */
467 /* XXX These functions should be in an optgroup. */
469 #define NOT_IMPL(r) \
470 error (g, _("inspection API not available since this version of libguestfs was compiled without PCRE or hivex libraries")); \
473 struct guestfs_application_list *
474 guestfs__inspect_list_applications (guestfs_h *g, const char *root)
479 #endif /* no PCRE or hivex at compile time */