[Libguestfs] [PATCH] inspect: map Hurd devices, and enable fstab introspection
Add a mapping for the Hurd device names, so it is possible to enable the
inspection of /etc/fstab.
---
src/inspect-fs-unix.c | 25 ++++++++++++++++++++++++-
1 file changed, 24 insertions(+), 1 deletion(-)
diff --git a/src/inspect-fs-unix.c b/src/inspect-fs-unix.c
index 3f57cd5..b629508 100644
--- a/src/inspect-fs-unix.c
+++ b/src/inspect-fs-unix.c
@@ -78,6 +78,7 @@ static pcre *re_opensuse_version;
static pcre *re_sles_version;
static pcre *re_sles_patchlevel;
static pcre *re_minix;
+static pcre *re_hurd_dev;
static void compile_regexps (void) __attribute__((constructor));
static void free_regexps (void) __attribute__((destructor));
@@ -137,6 +138,7 @@ compile_regexps (void)
COMPILE (re_sles_version, "^VERSION = (\\d+)", 0);
COMPILE (re_sles_patchlevel, "^PATCHLEVEL = (\\d+)", 0);
COMPILE (re_minix, "^(\\d+)\\.(\\d+)(\\.(\\d+))?", 0);
+ COMPILE (re_hurd_dev, "^/dev/(h)d(\\d+)s(\\d+)$", 0);
}
static void
@@ -170,6 +172,7 @@ free_regexps (void)
pcre_free (re_sles_version);
pcre_free (re_sles_patchlevel);
pcre_free (re_minix);
+ pcre_free (re_hurd_dev);
}
static void check_architecture (guestfs_h *g, struct inspect_fs *fs);
@@ -776,7 +779,11 @@ guestfs___check_hurd_root (guestfs_h *g, struct inspect_fs *fs)
/* Determine the architecture. */
check_architecture (g, fs);
- /* XXX Check for /etc/fstab. */
+ if (guestfs_is_file (g, "/etc/fstab") > 0) {
+ const char *configfiles[] = { "/etc/fstab", NULL };
+ if (inspect_with_augeas (g, fs, configfiles, check_fstab) == -1)
+ return -1;
+ }
/* Determine hostname. */
if (check_hostname_unix (g, fs) == -1)
@@ -1635,6 +1642,22 @@ resolve_fstab_device (guestfs_h *g, const char *spec, Hash_table
*md_map)
if (r == -1)
return NULL;
}
+ else if (match3 (g, spec, re_hurd_dev, &type, &disk, &part)) {
+ /* Hurd disk devices are like /dev/hdNsM, where hdN is the
+ * N-th disk and M is the M-th partition on that disk.
+ * Turn the disk number into a letter-based identifier, so
+ * we can resolve it easily.
+ */
+ int disk_i = guestfs___parse_unsigned_int (g, disk);
+ char disk_as_letter[2] = { 0 };
+ disk_as_letter[0] = disk_i + 'a';
+ r = resolve_fstab_device_xdev (g, type, disk_as_letter, part, &device);
+ free (type);
+ free (disk);
+ free (part);
+ if (r == -1)
+ return NULL;
+ }
/* Didn't match device pattern, return original spec unchanged. */
if (device == NULL)
--
1.9.3