10:25 a.m.
Implement the helper function for guestfs_inspect_list_applications2 to
be able to parse the list of installed applications with the APK package
manager (used on Alpine Linux).
---
src/inspect-apps.c | 121 +++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 121 insertions(+)
diff --git a/src/inspect-apps.c b/src/inspect-apps.c
index b54cf07..78c32bf 100644
--- a/src/inspect-apps.c
+++ b/src/inspect-apps.c
@@ -49,6 +49,7 @@ static struct guestfs_application2_list *list_applications_rpm
(guestfs_h *g, st
#endif
static struct guestfs_application2_list *list_applications_deb (guestfs_h *g, struct
inspect_fs *fs);
static struct guestfs_application2_list *list_applications_pacman (guestfs_h *g, struct
inspect_fs *fs);
+static struct guestfs_application2_list *list_applications_apk (guestfs_h *g, struct
inspect_fs *fs);
static struct guestfs_application2_list *list_applications_windows (guestfs_h *g, struct
inspect_fs *fs);
static void add_application (guestfs_h *g, struct guestfs_application2_list *, const char
*name, const char *display_name, int32_t epoch, const char *version, const char *release,
const char *arch, const char *install_path, const char *publisher, const char *url, const
char *description);
static void sort_applications (struct guestfs_application2_list *);
@@ -140,6 +141,11 @@ guestfs_impl_inspect_list_applications2 (guestfs_h *g, const char
*root)
break;
case OS_PACKAGE_FORMAT_APK:
+ ret = list_applications_apk (g, fs);
+ if (ret == NULL)
+ return NULL;
+ break;
+
case OS_PACKAGE_FORMAT_EBUILD:
case OS_PACKAGE_FORMAT_PISI:
case OS_PACKAGE_FORMAT_PKGSRC:
@@ -655,6 +661,121 @@ list_applications_pacman (guestfs_h *g, struct inspect_fs *fs)
return ret;
}
+static struct guestfs_application2_list *
+list_applications_apk (guestfs_h *g, struct inspect_fs *fs)
+{
+ CLEANUP_FREE char *installed = NULL, *line = NULL;
+ struct guestfs_application2_list *apps = NULL, *ret = NULL;
+ FILE *fp;
+ size_t allocsize = 0;
+ ssize_t len;
+ int32_t epoch = 0;
+ CLEANUP_FREE char *name = NULL, *version = NULL, *release = NULL, *arch = NULL,
+ *url = NULL, *description = NULL;
+
+ installed = guestfs_int_download_to_tmp (g, fs, "/lib/apk/db/installed",
+ "installed", MAX_PKG_DB_SIZE);
+ if (installed == NULL)
+ return NULL;
+
+ fp = fopen (installed, "r");
+ if (fp == NULL) {
+ perrorf (g, "fopen: %s", installed);
+ goto out;
+ }
+
+ /* Allocate 'apps' list. */
+ apps = safe_malloc (g, sizeof *apps);
+ apps->len = 0;
+ apps->val = NULL;
+
+ /* Read the temporary file. Each package entry is separated by
+ * a blank line. Each package line is <character>:<field>.
+ */
+ while ((len = getline (&line, &allocsize, fp)) != -1) {
+ if (len > 0 && line[len-1] == '\n') {
+ line[len-1] = '\0';
+ --len;
+ }
+
+ if (len > 1 && line[1] != ':') {
+ /* Invalid line format. Should we fail instead? */
+ continue;
+ }
+
+ switch (line[0]) {
+ case '\0':
+ if (name && version && (epoch >= 0))
+ add_application (g, apps, name, "", epoch, version, release ? :
"",
+ arch ? : "", "", "", url ? :
"", description ? : "");
+ free (name);
+ free (version);
+ free (release);
+ free (arch);
+ free (url);
+ free (description);
+ name = version = release = arch = url = description = NULL;
+ break;
+ case 'A':
+ free (arch);
+ arch = safe_strdup (g, &line[2]);
+ break;
+ case 'P':
+ free (name);
+ name = safe_strdup (g, &line[2]);
+ break;
+ case 'T':
+ free (description);
+ description = safe_strdup (g, &line[2]);
+ break;
+ case 'U':
+ free (url);
+ url = safe_strdup (g, &line[2]);
+ break;
+ case 'V':
+ free (version);
+ free (release);
+ char *p1, *p2;
+ p1 = strchr (&line[2], ':');
+ if (p1) {
+ *p1++ = '\0';
+ epoch = guestfs_int_parse_unsigned_int (g, &line[2]); /* -1 on error */
+ } else {
+ p1 = &line[2];
+ epoch = 0;
+ }
+ p2 = strchr (p1, '-');
+ if (p2) {
+ *p2++ = '\0';
+ /* Skip the leading 'r' in revisions. */
+ if (p2[0] == 'r')
+ ++p2;
+ release = safe_strdup (g, p2);
+ } else {
+ release = NULL;
+ }
+ version = safe_strdup (g, p1);
+ break;
+ }
+ }
+
+ if (fclose (fp) == -1) {
+ perrorf (g, "fclose: %s", installed);
+ goto out;
+ }
+
+ ret = apps;
+
+ out:
+ if (ret == NULL)
+ guestfs_free_application2_list (apps);
+ /*
+ if (fp)
+ fclose (fp);
+ */
+ return ret;
+}
+
static void list_applications_windows_from_path (guestfs_h *g, struct
guestfs_application2_list *apps, const char **path, size_t path_len);
static struct guestfs_application2_list *
--
2.5.0