- r = first_egrep_of_file (g, "/.treeinfo",
- "^totaldiscs = [[:digit:]]+$", 0, &str);
- if (r == -1)
- return -1;
- if (r > 0) {
- v = find_value (str);
- totaldiscs = parse_unsigned_int (g, v);
- free (str);
- if (totaldiscs == -1)
- return -1;
- }
-
- fs->is_multipart_disk = totaldiscs > 0;
- /* and what about discnum? */
-
- return 0;
-}
-
-/* Linux with /isolinux/isolinux.cfg.
- *
- * This file is not easily parsable so we have to do our best.
- * Look for the "menu title" line which contains:
- * menu title Welcome to Fedora 14! # since at least Fedora 10
- * menu title Welcome to Red Hat Enterprise Linux 6.0!
- */
-static int
-check_isolinux_installer_root (guestfs_h *g, struct inspect_fs *fs)
-{
- char *str;
- int r;
-
- fs->type = OS_TYPE_LINUX;
-
- r = first_egrep_of_file (g, "/isolinux/isolinux.cfg",
- "^menu title Welcome to Fedora [[:digit:]]+",
- 0, &str);
- if (r == -1)
- return -1;
- if (r > 0) {
- fs->distro = OS_DISTRO_FEDORA;
- fs->major_version = parse_unsigned_int_ignore_trailing (g, &str[29]);
- free (str);
- if (fs->major_version == -1)
- return -1;
- }
-
- /* XXX parse major.minor */
- r = first_egrep_of_file (g, "/isolinux/isolinux.cfg",
- "^menu title Welcome to Red Hat Enterprise Linux [[:digit:]]+",
- 0, &str);
- if (r == -1)
- return -1;
- if (r > 0) {
- fs->distro = OS_DISTRO_RHEL;
- fs->major_version = parse_unsigned_int_ignore_trailing (g, &str[47]);
- free (str);
- if (fs->major_version == -1)
- return -1;
- }
-
- return 0;
-}
-
-/* Windows 2003 and similar versions.
- *
- * NB: txtsetup file contains Windows \r\n line endings, which guestfs_grep
- * does not remove. We have to remove them by hand here.
- */
-static void
-trim_cr (char *str)
-{
- size_t n = strlen (str);
- if (n > 0 && str[n-1] == '\r')
- str[n-1] = '\0';
-}
-
-static void
-trim_quot (char *str)
-{
- size_t n = strlen (str);
- if (n > 0 && str[n-1] == '"')
- str[n-1] = '\0';
-}
-
-static int
-check_w2k3_installer_root (guestfs_h *g, struct inspect_fs *fs,
- const char *txtsetup)
-{
- char *str;
- const char *v;
- int r;
-
- fs->type = OS_TYPE_WINDOWS;
- fs->distro = OS_DISTRO_WINDOWS;
-
- r = first_egrep_of_file (g, txtsetup,
- "^productname[[:space:]]*=[[:space:]]*\"", 1, &str);
- if (r == -1)
- return -1;
- if (r > 0) {
- trim_cr (str);
- trim_quot (str);
- v = find_value (str);
- fs->product_name = safe_strdup (g, v+1);
- free (str);
- }
-
- r = first_egrep_of_file (g, txtsetup,
- "^majorversion[[:space:]]*=[[:space:]]*[[:digit:]]+",
- 1, &str);
- if (r == -1)
- return -1;
- if (r > 0) {
- trim_cr (str);
- v = find_value (str);
- fs->major_version = parse_unsigned_int_ignore_trailing (g, v);
- free (str);
- if (fs->major_version == -1)
- return -1;
- }
-
- r = first_egrep_of_file (g, txtsetup,
- "^minorversion[[:space:]]*=[[:space:]]*[[:digit:]]+",
- 1, &str);
- if (r == -1)
- return -1;
- if (r > 0) {
- trim_cr (str);
- v = find_value (str);
- fs->minor_version = parse_unsigned_int_ignore_trailing (g, v);
- free (str);
- if (fs->minor_version == -1)
- return -1;
- }
-
- /* This is the windows systemroot that would be chosen on
- * installation by default, although not necessarily the one that
- * the user will finally choose.
- */
- r = first_egrep_of_file (g, txtsetup, "^defaultpath[[:space:]]*=[[:space:]]*",
- 1, &str);
- if (r == -1)
- return -1;
- if (r > 0) {
- trim_cr (str);
- v = find_value (str);
- fs->windows_systemroot = safe_strdup (g, v);
- free (str);
- }
-
- return 0;
-}
-
-/* The currently mounted device is very likely to be an installer. */
-static int
-check_installer_root (guestfs_h *g, struct inspect_fs *fs)
-{
- /* The presence of certain files indicates a live CD.
- *
- * XXX Fedora netinst contains a ~120MB squashfs called
- * /images/install.img. However this is not a live CD (unlike the
- * Fedora live CDs which contain the same, but larger file). We
- * need to unpack this and look inside to tell the difference.
- */
- if (guestfs_is_file (g, "/casper/filesystem.squashfs") > 0)
- fs->is_live_disk = 1;
-
- /* Debian/Ubuntu. */
- if (guestfs_is_file (g, "/.disk/info") > 0) {
- if (check_debian_installer_root (g, fs) == -1)
- return -1;
- }
-
- /* Fedora CDs and DVD (not netinst). */
- else if (guestfs_is_file (g, "/.treeinfo") > 0) {
- if (check_fedora_installer_root (g, fs) == -1)
- return -1;
- }
-
- /* Linux with /isolinux/isolinux.cfg. */
- else if (guestfs_is_file (g, "/isolinux/isolinux.cfg") > 0) {
- if (check_isolinux_installer_root (g, fs) == -1)
- return -1;
- }
-
- /* Windows 2003 64 bit */
- else if (guestfs_is_file (g, "/amd64/txtsetup.sif") > 0) {
- fs->arch = safe_strdup (g, "x86_64");
- if (check_w2k3_installer_root (g, fs, "/amd64/txtsetup.sif") == -1)
- return -1;
- }
-
- /* Windows 2003 32 bit */
- else if (guestfs_is_file (g, "/i386/txtsetup.sif") > 0) {
- fs->arch = safe_strdup (g, "i386");
- if (check_w2k3_installer_root (g, fs, "/i386/txtsetup.sif") == -1)
- return -1;
- }
-
- return 0;
-}
-
-static void
-check_architecture (guestfs_h *g, struct inspect_fs *fs)
-{
- const char *binaries[] =
- { "/bin/bash", "/bin/ls", "/bin/echo", "/bin/rm", "/bin/sh" };
- size_t i;
-
- for (i = 0; i < sizeof binaries / sizeof binaries[0]; ++i) {
- if (guestfs_is_file (g, binaries[i]) > 0) {
- /* Ignore errors from file_architecture call. */
- guestfs_error_handler_cb old_error_cb = g->error_cb;
- g->error_cb = NULL;
- char *arch = guestfs_file_architecture (g, binaries[i]);
- g->error_cb = old_error_cb;
-
- if (arch) {
- /* String will be owned by handle, freed by
- * guestfs___free_inspect_info.
- */
- fs->arch = arch;
- break;
- }
- }
- }
-}
-
-/* Try several methods to determine the hostname from a Linux or
- * FreeBSD guest. Note that type and distro have been set, so we can
- * use that information to direct the search.
- */
-static int
-check_hostname_unix (guestfs_h *g, struct inspect_fs *fs)
-{
- switch (fs->type) {
- case OS_TYPE_LINUX:
- /* Red Hat-derived would be in /etc/sysconfig/network, and
- * Debian-derived in the file /etc/hostname. Very old Debian and
- * SUSE use /etc/HOSTNAME. It's best to just look for each of
- * these files in turn, rather than try anything clever based on
- * distro.
- */
- if (guestfs_is_file (g, "/etc/HOSTNAME")) {
- fs->hostname = first_line_of_file (g, "/etc/HOSTNAME");
- if (fs->hostname == NULL)
- return -1;
- }
- else if (guestfs_is_file (g, "/etc/hostname")) {
- fs->hostname = first_line_of_file (g, "/etc/hostname");
- if (fs->hostname == NULL)
- return -1;
- }
- else if (guestfs_is_file (g, "/etc/sysconfig/network")) {
- if (inspect_with_augeas (g, fs, "/etc/sysconfig/network",
- check_hostname_redhat) == -1)
- return -1;
- }
- break;
-
- case OS_TYPE_FREEBSD:
- /* /etc/rc.conf contains the hostname, but there is no Augeas lens
- * for this file.
- */
- if (guestfs_is_file (g, "/etc/rc.conf")) {
- if (check_hostname_freebsd (g, fs) == -1)
- return -1;
- }
- break;
-
- case OS_TYPE_WINDOWS: /* not here, see check_windows_system_registry */
- case OS_TYPE_UNKNOWN:
- default:
- /* nothing, keep GCC warnings happy */;
- }
-
- return 0;
-}
-
-/* Parse the hostname from /etc/sysconfig/network. This must be called
- * from the inspect_with_augeas wrapper.
- */
-static int
-check_hostname_redhat (guestfs_h *g, struct inspect_fs *fs)
-{
- char *hostname;
-
- hostname = guestfs_aug_get (g, "/files/etc/sysconfig/network/HOSTNAME");
- if (!hostname)
- return -1;
-
- fs->hostname = hostname; /* freed by guestfs___free_inspect_info */
- return 0;
-}
-
-/* Parse the hostname from /etc/rc.conf. On FreeBSD this file
- * contains comments, blank lines and:
- * hostname="freebsd8.example.com"
- * ifconfig_re0="DHCP"
- * keymap="uk.iso"
- * sshd_enable="YES"
- */
-static int
-check_hostname_freebsd (guestfs_h *g, struct inspect_fs *fs)
-{
- const char *filename = "/etc/rc.conf";
- int64_t size;
- char **lines;
- size_t i;
-
- /* Don't trust guestfs_read_lines not to break with very large files.
- * Check the file size is something reasonable first.
- */
- size = guestfs_filesize (g, filename);
- if (size == -1)
- /* guestfs_filesize failed and has already set error in handle */
- return -1;
- if (size > MAX_SMALL_FILE_SIZE) {
- error (g, _("size of %s is unreasonably large (%" PRIi64 " bytes)"),
- filename, size);
- return -1;
- }
-
- lines = guestfs_read_lines (g, filename);
- if (lines == NULL)
- return -1;
-
- for (i = 0; lines[i] != NULL; ++i) {
- if (STRPREFIX (lines[i], "hostname=\"") ||
- STRPREFIX (lines[i], "hostname='")) {
- size_t len = strlen (lines[i]) - 10 - 1;
- fs->hostname = safe_strndup (g, &lines[i][10], len);
- break;
- } else if (STRPREFIX (lines[i], "hostname=")) {
- size_t len = strlen (lines[i]) - 9;
- fs->hostname = safe_strndup (g, &lines[i][9], len);
- break;
- }
- }
-
- guestfs___free_string_list (lines);
- return 0;
-}
-
-static int
-check_fstab (guestfs_h *g, struct inspect_fs *fs)
-{
- char **lines = guestfs_aug_ls (g, "/files/etc/fstab");
- if (lines == NULL)
- return -1;
-
- if (lines[0] == NULL) {
- error (g, _("could not parse /etc/fstab or empty file"));
- guestfs___free_string_list (lines);
- return -1;
- }
-
- size_t i;
- char augpath[256];
- for (i = 0; lines[i] != NULL; ++i) {
- /* Ignore comments. Only care about sequence lines which
- * match m{/\d+$}.
- */
- if (match (g, lines[i], re_aug_seq)) {
- snprintf (augpath, sizeof augpath, "%s/spec", lines[i]);
- char *spec = guestfs_aug_get (g, augpath);
- if (spec == NULL) {
- guestfs___free_string_list (lines);
- return -1;
- }
-
- snprintf (augpath, sizeof augpath, "%s/file", lines[i]);
- char *mp = guestfs_aug_get (g, augpath);
- if (mp == NULL) {
- guestfs___free_string_list (lines);
- free (spec);
- return -1;
- }
-
- int r = add_fstab_entry (g, fs, spec, mp);
- free (spec);
- free (mp);
-
- if (r == -1) {
- guestfs___free_string_list (lines);
- return -1;
- }
- }
- }
-
- guestfs___free_string_list (lines);
- return 0;
-}
-
-/* Add a filesystem and possibly a mountpoint entry for
- * the root filesystem 'fs'.
- *
- * 'spec' is the fstab spec field, which might be a device name or a
- * pseudodevice or 'UUID=...' or 'LABEL=...'.
- *
- * 'mp' is the mount point, which could also be 'swap' or 'none'.
- */
-static int
-add_fstab_entry (guestfs_h *g, struct inspect_fs *fs,
- const char *spec, const char *mp)
-{
- /* Ignore certain mountpoints. */
- if (STRPREFIX (mp, "/dev/") ||
- STREQ (mp, "/dev") ||
- STRPREFIX (mp, "/media/") ||
- STRPREFIX (mp, "/proc/") ||
- STREQ (mp, "/proc") ||
- STRPREFIX (mp, "/selinux/") ||
- STREQ (mp, "/selinux") ||
- STRPREFIX (mp, "/sys/") ||
- STREQ (mp, "/sys"))
- return 0;
-
- /* Ignore /dev/fd (floppy disks) (RHBZ#642929) and CD-ROM drives. */
- if ((STRPREFIX (spec, "/dev/fd") && c_isdigit (spec[7])) ||
- STREQ (spec, "/dev/floppy") ||
- STREQ (spec, "/dev/cdrom"))
- return 0;
-
- /* Resolve UUID= and LABEL= to the actual device. */
- char *device = NULL;
- if (STRPREFIX (spec, "UUID="))
- device = guestfs_findfs_uuid (g, &spec[5]);
- else if (STRPREFIX (spec, "LABEL="))
- device = guestfs_findfs_label (g, &spec[6]);
- /* Ignore "/.swap" (Pardus) and pseudo-devices like "tmpfs". */
- else if (STRPREFIX (spec, "/dev/"))
- /* Resolve guest block device names. */
- device = resolve_fstab_device (g, spec);
-
- /* If we haven't resolved the device successfully by this point,
- * we don't care, just ignore it.
- */
- if (device == NULL)
- return 0;
-
- char *mountpoint = safe_strdup (g, mp);
-
- /* Add this to the fstab entry in 'fs'.
- * Note these are further filtered by guestfs_inspect_get_mountpoints
- * and guestfs_inspect_get_filesystems.
- */
- size_t n = fs->nr_fstab + 1;
- struct inspect_fstab_entry *p;
-
- p = realloc (fs->fstab, n * sizeof (struct inspect_fstab_entry));
- if (p == NULL) {
- perrorf (g, "realloc");
- free (device);
- free (mountpoint);
- return -1;
- }
-
- fs->fstab = p;
- fs->nr_fstab = n;
-
- /* These are owned by the handle and freed by guestfs___free_inspect_info. */
- fs->fstab[n-1].device = device;
- fs->fstab[n-1].mountpoint = mountpoint;
-
- debug (g, "fstab: device=%s mountpoint=%s", device, mountpoint);
-
- return 0;
-}
-
-/* Resolve block device name to the libguestfs device name, eg.
- * /dev/xvdb1 => /dev/vdb1; and /dev/mapper/VG-LV => /dev/VG/LV. This
- * assumes that disks were added in the same order as they appear to
- * the real VM, which is a reasonable assumption to make. Return
- * anything we don't recognize unchanged.
- */
-static char *
-resolve_fstab_device (guestfs_h *g, const char *spec)
-{
- char *a1;
- char *device = NULL;
- char *bsddisk, *bsdslice, *bsdpart;
-
- if (STRPREFIX (spec, "/dev/mapper/")) {
- /* LVM2 does some strange munging on /dev/mapper paths for VGs and
- * LVs which contain '-' character:
- *
- * ><fs> lvcreate LV--test VG--test 32
- * ><fs> debug ls /dev/mapper
- * VG----test-LV----test
- *
- * This makes it impossible to reverse those paths directly, so
- * we have implemented lvm_canonical_lv_name in the daemon.
- */
- device = guestfs_lvm_canonical_lv_name (g, spec);
- }
- else if ((a1 = match1 (g, spec, re_xdev)) != NULL) {
- char **devices = guestfs_list_devices (g);
- if (devices == NULL)
- return NULL;
-
- size_t count;
- for (count = 0; devices[count] != NULL; count++)
- ;
-
- size_t i = a1[0] - 'a'; /* a1[0] is always [a-z] because of regex. */
- if (i < count) {
- size_t len = strlen (devices[i]) + strlen (a1) + 16;
- device = safe_malloc (g, len);
- snprintf (device, len, "%s%s", devices[i], &a1[1]);
- }
-
- free (a1);
- guestfs___free_string_list (devices);
- }
- else if (match3 (g, spec, re_freebsd, &bsddisk, &bsdslice, &bsdpart)) {
- /* FreeBSD disks are organized quite differently. See:
- * http://www.freebsd.org/doc/handbook/disk-organization.html
- * FreeBSD "partitions" are exposed as quasi-extended partitions
- * numbered from 5 in Linux. I have no idea what happens when you
- * have multiple "slices" (the FreeBSD term for MBR partitions).
- */
- int disk = parse_unsigned_int (g, bsddisk);
- int slice = parse_unsigned_int (g, bsdslice);
- int part = bsdpart[0] - 'a' /* counting from 0 */;
- free (bsddisk);
- free (bsdslice);
- free (bsdpart);
-
- if (disk == -1 || disk > 26 ||
- slice <= 0 || slice > 1 /* > 4 .. see comment above */ ||
- part < 0 || part >= 26)
- goto out;
-
- device = safe_asprintf (g, "/dev/sd%c%d", disk + 'a', part + 5);
- }
-
- out:
- /* Didn't match device pattern, return original spec unchanged. */
- if (device == NULL)
- device = safe_strdup (g, spec);
-
- return device;
-}
-
-/* XXX Handling of boot.ini in the Perl version was pretty broken. It
- * essentially didn't do anything for modern Windows guests.
- * Therefore I've omitted all that code.
- */
-static int
-check_windows_root (guestfs_h *g, struct inspect_fs *fs)
-{
- fs->type = OS_TYPE_WINDOWS;
- fs->distro = OS_DISTRO_WINDOWS;
-
- /* Try to find Windows systemroot using some common locations. */
- const char *systemroots[] =
- { "/windows", "/winnt", "/win32", "/win" };
- size_t i;
- char *systemroot = NULL;
- for (i = 0;
- systemroot == NULL && i < sizeof systemroots / sizeof systemroots[0];
- ++i) {
- systemroot = case_sensitive_path_silently (g, systemroots[i]);
- }
-
- if (!systemroot) {
- error (g, _("cannot resolve Windows %%SYSTEMROOT%%"));
- return -1;
- }
-
- debug (g, "windows %%SYSTEMROOT%% = %s", systemroot);
-
- /* Freed by guestfs___free_inspect_info. */
- fs->windows_systemroot = systemroot;
-
- if (check_windows_arch (g, fs) == -1)
- return -1;
-
- /* Product name and version. */
- if (check_windows_software_registry (g, fs) == -1)
- return -1;
-
- check_package_format (g, fs);
- check_package_management (g, fs);
-
- /* Hostname. */
- if (check_windows_system_registry (g, fs) == -1)
- return -1;
-
- return 0;
-}
-
-static int
-check_windows_arch (guestfs_h *g, struct inspect_fs *fs)
-{
- size_t len = strlen (fs->windows_systemroot) + 32;
- char cmd_exe[len];
- snprintf (cmd_exe, len, "%s/system32/cmd.exe", fs->windows_systemroot);
-
- char *cmd_exe_path = case_sensitive_path_silently (g, cmd_exe);
- if (!cmd_exe_path)
- return 0;
-
- char *arch = guestfs_file_architecture (g, cmd_exe_path);
- free (cmd_exe_path);
-
- if (arch)
- fs->arch = arch; /* freed by guestfs___free_inspect_info */
-
- return 0;
-}
-
-/* At the moment, pull just the ProductName and version numbers from
- * the registry. In future there is a case for making many more
- * registry fields available to callers.
- */
-static int
-check_windows_software_registry (guestfs_h *g, struct inspect_fs *fs)
-{
- TMP_TEMPLATE_ON_STACK (software_local);
-
- size_t len = strlen (fs->windows_systemroot) + 64;
- char software[len];
- snprintf (software, len, "%s/system32/config/software",
- fs->windows_systemroot);
-
- char *software_path = case_sensitive_path_silently (g, software);
- if (!software_path)
- /* If the software hive doesn't exist, just accept that we cannot
- * find product_name etc.
- */
- return 0;
-
- int ret = -1;
- hive_h *h = NULL;
- hive_value_h *values = NULL;
-
- if (download_to_tmp (g, software_path, software_local,
- MAX_REGISTRY_SIZE) == -1)
- goto out;
-
- h = hivex_open (software_local, g->verbose ? HIVEX_OPEN_VERBOSE : 0);
- if (h == NULL) {
- perrorf (g, "hivex_open");
- goto out;
- }
-
- hive_node_h node = hivex_root (h);
- const char *hivepath[] =
- { "Microsoft", "Windows NT", "CurrentVersion" };
- size_t i;
- for (i = 0;
- node != 0 && i < sizeof hivepath / sizeof hivepath[0];
- ++i) {
- node = hivex_node_get_child (h, node, hivepath[i]);
- }
-
- if (node == 0) {
- perrorf (g, "hivex: cannot locate HKLM\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion");
- goto out;
- }
-
- values = hivex_node_values (h, node);
-
- for (i = 0; values[i] != 0; ++i) {
- char *key = hivex_value_key (h, values[i]);
- if (key == NULL) {
- perrorf (g, "hivex_value_key");
- goto out;
- }
-
- if (STRCASEEQ (key, "ProductName")) {
- fs->product_name = hivex_value_string (h, values[i]);
- if (!fs->product_name) {
- perrorf (g, "hivex_value_string");
- free (key);
- goto out;
- }
- }
- else if (STRCASEEQ (key, "CurrentVersion")) {
- char *version = hivex_value_string (h, values[i]);
- if (!version) {
- perrorf (g, "hivex_value_string");
- free (key);
- goto out;
- }
- char *major, *minor;
- if (match2 (g, version, re_windows_version, &major, &minor)) {
- fs->major_version = parse_unsigned_int (g, major);
- free (major);
- if (fs->major_version == -1) {
- free (minor);
- free (key);
- free (version);
- goto out;
- }
- fs->minor_version = parse_unsigned_int (g, minor);
- free (minor);
- if (fs->minor_version == -1) {
- free (key);
- free (version);
- goto out;
- }
- }
-
- free (version);
- }
- else if (STRCASEEQ (key, "InstallationType")) {
- fs->product_variant = hivex_value_string (h, values[i]);
- if (!fs->product_variant) {
- perrorf (g, "hivex_value_string");
- free (key);
- goto out;
- }
- }
-
- free (key);
- }
-
- ret = 0;
-
- out:
- if (h) hivex_close (h);
- free (values);
- free (software_path);
-
- /* Free up the temporary file. */
- unlink (software_local);
-#undef software_local_len
-
- return ret;
-}
-
-static int
-check_windows_system_registry (guestfs_h *g, struct inspect_fs *fs)
-{
- TMP_TEMPLATE_ON_STACK (system_local);
-
- size_t len = strlen (fs->windows_systemroot) + 64;
- char system[len];
- snprintf (system, len, "%s/system32/config/system",
- fs->windows_systemroot);
-
- char *system_path = case_sensitive_path_silently (g, system);
- if (!system_path)
- /* If the system hive doesn't exist, just accept that we cannot
- * find hostname etc.
- */
- return 0;
-
- int ret = -1;
- hive_h *h = NULL;
- hive_node_h root, node;
- hive_value_h value, *values = NULL;
- int32_t dword;
- size_t i, count;
-
- if (download_to_tmp (g, system_path, system_local, MAX_REGISTRY_SIZE) == -1)
- goto out;
-
- h = hivex_open (system_local, g->verbose ? HIVEX_OPEN_VERBOSE : 0);
- if (h == NULL) {
- perrorf (g, "hivex_open");
- goto out;
- }
-
- root = hivex_root (h);
- if (root == 0) {
- perrorf (g, "hivex_root");
- goto out;
- }
-
- /* Get the CurrentControlSet. */
- errno = 0;
- node = hivex_node_get_child (h, root, "Select");
- if (node == 0) {
- if (errno != 0)
- perrorf (g, "hivex_node_get_child");
- else
- error (g, "hivex: could not locate HKLM\\SYSTEM\\Select");
- goto out;
- }
-
- errno = 0;
- value = hivex_node_get_value (h, node, "Current");
- if (value == 0) {
- if (errno != 0)
- perrorf (g, "hivex_node_get_value");
- else
- error (g, "hivex: HKLM\\System\\Select Default entry not found.");
- goto out;
- }
-
- /* XXX Should check the type. */
- dword = hivex_value_dword (h, value);
- fs->windows_current_control_set = safe_asprintf (g, "ControlSet%03d", dword);
-
- /* Get the drive mappings.
- * This page explains the contents of HKLM\System\MountedDevices:
- * http://www.goodells.net/multiboot/partsigs.shtml
- */
- errno = 0;
- node = hivex_node_get_child (h, root, "MountedDevices");
- if (node == 0) {
- if (errno != 0)
- perrorf (g, "hivex_node_get_child");
- else
- error (g, "hivex: could not locate HKLM\\SYSTEM\\MountedDevices");
- goto out;
- }
-
- values = hivex_node_values (h, node);
-
- /* Count how many DOS drive letter mappings there are. This doesn't
- * ignore removable devices, so it overestimates, but that doesn't
- * matter because it just means we'll allocate a few bytes extra.
- */
- for (i = count = 0; values[i] != 0; ++i) {
- char *key = hivex_value_key (h, values[i]);
- if (key == NULL) {
- perrorf (g, "hivex_value_key");
- goto out;
- }
- if (STRCASEEQLEN (key, "\\DosDevices\\", 12) &&
- c_isalpha (key[12]) && key[13] == ':')
- count++;
- }
-
- fs->drive_mappings = calloc (2*count + 1, sizeof (char *));
- if (fs->drive_mappings == NULL) {
- perrorf (g, "calloc");
- goto out;
- }
-
- for (i = count = 0; values[i] != 0; ++i) {
- char *key = hivex_value_key (h, values[i]);
- if (key == NULL) {
- perrorf (g, "hivex_value_key");
- goto out;
- }
- if (STRCASEEQLEN (key, "\\DosDevices\\", 12) &&
- c_isalpha (key[12]) && key[13] == ':') {
- /* Get the binary value. Is it a fixed disk? */
- char *blob, *device;
- size_t len;
- hive_type type;
-
- blob = hivex_value_value (h, values[i], &type, &len);
- if (blob != NULL && type == 3 && len == 12) {
- /* Try to map the blob to a known disk and partition. */
- device = map_registry_disk_blob (g, blob);
- if (device != NULL) {
- fs->drive_mappings[count++] = safe_strndup (g, &key[12], 1);
- fs->drive_mappings[count++] = device;
- }
- }
- free (blob);
- }
- }
-
- /* Get the hostname. */
- const char *hivepath[] =
- { fs->windows_current_control_set, "Services", "Tcpip", "Parameters" };
- for (node = root, i = 0;
- node != 0 && i < sizeof hivepath / sizeof hivepath[0];
- ++i) {
- node = hivex_node_get_child (h, node, hivepath[i]);
- }
-
- if (node == 0) {
- perrorf (g, "hivex: cannot locate HKLM\\SYSTEM\\%s\\Services\\Tcpip\\Parameters",
- fs->windows_current_control_set);
- goto out;
- }
-
- values = hivex_node_values (h, node);
-
- for (i = 0; values[i] != 0; ++i) {
- char *key = hivex_value_key (h, values[i]);
- if (key == NULL) {
- perrorf (g, "hivex_value_key");
- goto out;
- }
-
- if (STRCASEEQ (key, "Hostname")) {
- fs->hostname = hivex_value_string (h, values[i]);
- if (!fs->hostname) {
- perrorf (g, "hivex_value_string");
- free (key);
- goto out;
- }
- }
- /* many other interesting fields here ... */
-
- free (key);
- }
-
- ret = 0;
-
- out:
- if (h) hivex_close (h);
- free (values);
- free (system_path);
-
- /* Free up the temporary file. */
- unlink (system_local);
-#undef system_local_len
-
- return ret;
-}
-
-/* Windows Registry HKLM\SYSTEM\MountedDevices uses a blob of data
- * to store partitions. This blob is described here:
- * http://www.goodells.net/multiboot/partsigs.shtml
- * The following function maps this blob to a libguestfs partition
- * name, if possible.
- */
-static char *
-map_registry_disk_blob (guestfs_h *g, const char *blob)
-{
- char **devices = NULL;
- struct guestfs_partition_list *partitions = NULL;
- char *diskid;
- size_t i, j, len;
- char *ret = NULL;
- uint64_t part_offset;
-
- /* First 4 bytes are the disk ID. Search all devices to find the
- * disk with this disk ID.
- */
- devices = guestfs_list_devices (g);
- if (devices == NULL)
- goto out;
-
- for (i = 0; devices[i] != NULL; ++i) {
- /* Read the disk ID. */
- diskid = guestfs_pread_device (g, devices[i], 4, 0x01b8, &len);
- if (diskid == NULL)
- continue;
- if (len < 4) {
- free (diskid);
- continue;
- }
- if (memcmp (diskid, blob, 4) == 0) { /* found it */
- free (diskid);
- goto found_disk;
- }
- free (diskid);
- }
- goto out;
-
- found_disk:
- /* Next 8 bytes are the offset of the partition in bytes(!) given as
- * a 64 bit little endian number. Luckily it's easy to get the
- * partition byte offset from guestfs_part_list.
- */
- part_offset = le64toh (* (uint64_t *) &blob[4]);
-
- partitions = guestfs_part_list (g, devices[i]);
- if (partitions == NULL)
- goto out;
-
- for (j = 0; j < partitions->len; ++j) {
- if (partitions->val[j].part_start == part_offset) /* found it */
- goto found_partition;
- }
- goto out;
-
- found_partition:
- /* Construct the full device name. */
- ret = safe_asprintf (g, "%s%d", devices[i], partitions->val[j].part_num);
-
- out:
- if (devices)
- guestfs___free_string_list (devices);
- if (partitions)
- guestfs_free_partition_list (partitions);
- return ret;
-}
-
-static char *
-case_sensitive_path_silently (guestfs_h *g, const char *path)
-{
- guestfs_error_handler_cb old_error_cb = g->error_cb;
- g->error_cb = NULL;
- char *ret = guestfs_case_sensitive_path (g, path);
- g->error_cb = old_error_cb;
- return ret;
-}
-
-static int
-is_file_nocase (guestfs_h *g, const char *path)
-{
- char *p;
- int r;
-
- p = case_sensitive_path_silently (g, path);
- if (!p)
- return 0;
- r = guestfs_is_file (g, p);
- free (p);
- return r > 0;
-}
-
-static int
-is_dir_nocase (guestfs_h *g, const char *path)
-{
- char *p;
- int r;
-
- p = case_sensitive_path_silently (g, path);
- if (!p)
- return 0;
- r = guestfs_is_dir (g, p);
- free (p);
- return r > 0;
-}
-
-static int
-extend_fses (guestfs_h *g)
-{
- size_t n = g->nr_fses + 1;
- struct inspect_fs *p;
-
- p = realloc (g->fses, n * sizeof (struct inspect_fs));
- if (p == NULL) {
- perrorf (g, "realloc");
- return -1;
- }
-
- g->fses = p;
- g->nr_fses = n;
-
- memset (&g->fses[n-1], 0, sizeof (struct inspect_fs));
-
- return 0;
-}
-
-/* Parse small, unsigned ints, as used in version numbers. */
-static int
-parse_unsigned_int (guestfs_h *g, const char *str)
-{
- long ret;
- int r = xstrtol (str, NULL, 10, &ret, "");
- if (r != LONGINT_OK) {
- error (g, _("could not parse integer in version number: %s"), str);
- return -1;
- }
- return ret;
-}
-
-/* Like parse_unsigned_int, but ignore trailing stuff. */
-static int
-parse_unsigned_int_ignore_trailing (guestfs_h *g, const char *str)
-{
- long ret;
- int r = xstrtol (str, NULL, 10, &ret, NULL);
- if (r != LONGINT_OK) {
- error (g, _("could not parse integer in version number: %s"), str);
- return -1;
- }
- return ret;
-}
-
-/* At the moment, package format and package management is just a
- * simple function of the distro and major_version fields, so these
- * can never return an error. We might be cleverer in future.
- */
-static void
-check_package_format (guestfs_h *g, struct inspect_fs *fs)
-{
- switch (fs->distro) {
- case OS_DISTRO_FEDORA:
- case OS_DISTRO_MEEGO:
- case OS_DISTRO_REDHAT_BASED:
- case OS_DISTRO_RHEL:
- case OS_DISTRO_MANDRIVA:
- fs->package_format = OS_PACKAGE_FORMAT_RPM;
- break;
-
- case OS_DISTRO_DEBIAN:
- case OS_DISTRO_UBUNTU:
- case OS_DISTRO_LINUX_MINT:
- fs->package_format = OS_PACKAGE_FORMAT_DEB;
- break;
-
- case OS_DISTRO_ARCHLINUX:
- fs->package_format = OS_PACKAGE_FORMAT_PACMAN;
- break;
- case OS_DISTRO_GENTOO:
- fs->package_format = OS_PACKAGE_FORMAT_EBUILD;
- break;
- case OS_DISTRO_PARDUS:
- fs->package_format = OS_PACKAGE_FORMAT_PISI;
- break;
-
- case OS_DISTRO_SLACKWARE:
- case OS_DISTRO_WINDOWS:
- case OS_DISTRO_UNKNOWN:
- default:
- fs->package_format = OS_PACKAGE_FORMAT_UNKNOWN;
- break;
- }
-}
-
-static void
-check_package_management (guestfs_h *g, struct inspect_fs *fs)
-{
- switch (fs->distro) {
- case OS_DISTRO_FEDORA:
- case OS_DISTRO_MEEGO:
- fs->package_management = OS_PACKAGE_MANAGEMENT_YUM;
- break;
-
- case OS_DISTRO_REDHAT_BASED:
- case OS_DISTRO_RHEL:
- if (fs->major_version >= 5)
- fs->package_management = OS_PACKAGE_MANAGEMENT_YUM;
- else
- fs->package_management = OS_PACKAGE_MANAGEMENT_UP2DATE;
- break;
-
- case OS_DISTRO_DEBIAN:
- case OS_DISTRO_UBUNTU:
- case OS_DISTRO_LINUX_MINT:
- fs->package_management = OS_PACKAGE_MANAGEMENT_APT;
- break;
-
- case OS_DISTRO_ARCHLINUX:
- fs->package_management = OS_PACKAGE_MANAGEMENT_PACMAN;
- break;
- case OS_DISTRO_GENTOO:
- fs->package_management = OS_PACKAGE_MANAGEMENT_PORTAGE;
- break;
- case OS_DISTRO_PARDUS:
- fs->package_management = OS_PACKAGE_MANAGEMENT_PISI;
- break;
- case OS_DISTRO_MANDRIVA:
- fs->package_management = OS_PACKAGE_MANAGEMENT_URPMI;
- break;
-
- case OS_DISTRO_SLACKWARE:
- case OS_DISTRO_WINDOWS:
- case OS_DISTRO_UNKNOWN:
- default:
- fs->package_management = OS_PACKAGE_MANAGEMENT_UNKNOWN;
- break;
- }
-}
-
-static struct inspect_fs *
-search_for_root (guestfs_h *g, const char *root)
-{
- if (g->nr_fses == 0) {
- error (g, _("no inspection data: call guestfs_inspect_os first"));
- return NULL;
- }
-
- size_t i;
- struct inspect_fs *fs;
- for (i = 0; i < g->nr_fses; ++i) {
- fs = &g->fses[i];
- if (fs->is_root && STREQ (root, fs->device))
- return fs;
- }
-
- error (g, _("%s: root device not found: only call this function with a root device previously returned by guestfs_inspect_os"),
- root);
- return NULL;
-}
-
-char **
-guestfs__inspect_get_roots (guestfs_h *g)
-{
- /* NB. Doesn't matter if g->nr_fses == 0. We just return an empty
- * list in this case.
- */
-
- size_t i;
- size_t count = 0;
- for (i = 0; i < g->nr_fses; ++i)
- if (g->fses[i].is_root)
- count++;
-
- char **ret = calloc (count+1, sizeof (char *));
- if (ret == NULL) {
- perrorf (g, "calloc");
- return NULL;
- }
-
- count = 0;
- for (i = 0; i < g->nr_fses; ++i) {
- if (g->fses[i].is_root) {
- ret[count] = safe_strdup (g, g->fses[i].device);
- count++;
- }
- }
- ret[count] = NULL;
-
- return ret;
-}
-
-char *
-guestfs__inspect_get_type (guestfs_h *g, const char *root)
-{
- struct inspect_fs *fs = search_for_root (g, root);
- if (!fs)
- return NULL;
-
- char *ret;
- switch (fs->type) {
- case OS_TYPE_LINUX: ret = safe_strdup (g, "linux"); break;
- case OS_TYPE_WINDOWS: ret = safe_strdup (g, "windows"); break;
- case OS_TYPE_FREEBSD: ret = safe_strdup (g, "freebsd"); break;
- case OS_TYPE_UNKNOWN: default: ret = safe_strdup (g, "unknown"); break;
- }
-
- return ret;
-}
-
-char *
-guestfs__inspect_get_arch (guestfs_h *g, const char *root)
-{
- struct inspect_fs *fs = search_for_root (g, root);
- if (!fs)
- return NULL;
-
- return safe_strdup (g, fs->arch ? : "unknown");
-}
-
-char *
-guestfs__inspect_get_distro (guestfs_h *g, const char *root)
-{
- struct inspect_fs *fs = search_for_root (g, root);
- if (!fs)
- return NULL;
-
- char *ret;
- switch (fs->distro) {
- case OS_DISTRO_ARCHLINUX: ret = safe_strdup (g, "archlinux"); break;
- case OS_DISTRO_DEBIAN: ret = safe_strdup (g, "debian"); break;
- case OS_DISTRO_FEDORA: ret = safe_strdup (g, "fedora"); break;
- case OS_DISTRO_GENTOO: ret = safe_strdup (g, "gentoo"); break;
- case OS_DISTRO_LINUX_MINT: ret = safe_strdup (g, "linuxmint"); break;
- case OS_DISTRO_MANDRIVA: ret = safe_strdup (g, "mandriva"); break;
- case OS_DISTRO_MEEGO: ret = safe_strdup (g, "meego"); break;
- case OS_DISTRO_PARDUS: ret = safe_strdup (g, "pardus"); break;
- case OS_DISTRO_REDHAT_BASED: ret = safe_strdup (g, "redhat-based"); break;
- case OS_DISTRO_RHEL: ret = safe_strdup (g, "rhel"); break;
- case OS_DISTRO_SLACKWARE: ret = safe_strdup (g, "slackware"); break;
- case OS_DISTRO_WINDOWS: ret = safe_strdup (g, "windows"); break;
- case OS_DISTRO_UBUNTU: ret = safe_strdup (g, "ubuntu"); break;
- case OS_DISTRO_UNKNOWN: default: ret = safe_strdup (g, "unknown"); break;
- }
-
- return ret;
-}
-
-int
-guestfs__inspect_get_major_version (guestfs_h *g, const char *root)
-{
- struct inspect_fs *fs = search_for_root (g, root);
- if (!fs)
- return -1;
-
- return fs->major_version;
-}
-
-int
-guestfs__inspect_get_minor_version (guestfs_h *g, const char *root)
-{
- struct inspect_fs *fs = search_for_root (g, root);
- if (!fs)
- return -1;
-
- return fs->minor_version;
-}
-
-char *
-guestfs__inspect_get_product_name (guestfs_h *g, const char *root)
-{
- struct inspect_fs *fs = search_for_root (g, root);
- if (!fs)
- return NULL;
-
- return safe_strdup (g, fs->product_name ? : "unknown");
-}
-
-char *
-guestfs__inspect_get_product_variant (guestfs_h *g, const char *root)
-{
- struct inspect_fs *fs = search_for_root (g, root);
- if (!fs)
- return NULL;
-
- return safe_strdup (g, fs->product_variant ? : "unknown");
-}
-
-char *
-guestfs__inspect_get_windows_systemroot (guestfs_h *g, const char *root)
-{
- struct inspect_fs *fs = search_for_root (g, root);
- if (!fs)
- return NULL;
-
- if (!fs->windows_systemroot) {
- error (g, _("not a Windows guest, or systemroot could not be determined"));
- return NULL;
- }
-
- return safe_strdup (g, fs->windows_systemroot);
-}
-
-char *
-guestfs__inspect_get_windows_current_control_set (guestfs_h *g,
- const char *root)
-{
- struct inspect_fs *fs = search_for_root (g, root);
- if (!fs)
- return NULL;
-
- if (!fs->windows_current_control_set) {
- error (g, _("not a Windows guest, or CurrentControlSet could not be determined"));
- return NULL;
- }
-
- return safe_strdup (g, fs->windows_current_control_set);
-}
-
-char *
-guestfs__inspect_get_format (guestfs_h *g, const char *root)
-{
- struct inspect_fs *fs = search_for_root (g, root);
- if (!fs)
- return NULL;
-
- char *ret;
- switch (fs->format) {
- case OS_FORMAT_INSTALLED: ret = safe_strdup (g, "installed"); break;
- case OS_FORMAT_INSTALLER: ret = safe_strdup (g, "installer"); break;
- case OS_FORMAT_UNKNOWN: default: ret = safe_strdup (g, "unknown"); break;
- }
-
- return ret;
-}
-
-int
-guestfs__inspect_is_live (guestfs_h *g, const char *root)
-{
- struct inspect_fs *fs = search_for_root (g, root);
- if (!fs)
- return -1;
-
- return fs->is_live_disk;
-}
-
-int
-guestfs__inspect_is_netinst (guestfs_h *g, const char *root)
-{
- struct inspect_fs *fs = search_for_root (g, root);
- if (!fs)
- return -1;
-
- return fs->is_netinst_disk;
-}
-
-int
-guestfs__inspect_is_multipart (guestfs_h *g, const char *root)
-{
- struct inspect_fs *fs = search_for_root (g, root);
- if (!fs)
- return -1;
-
- return fs->is_multipart_disk;
-}
-
-char **
-guestfs__inspect_get_mountpoints (guestfs_h *g, const char *root)
-{
- struct inspect_fs *fs = search_for_root (g, root);
- if (!fs)
- return NULL;
-
- char **ret;
-
- /* If no fstab information (Windows) return just the root. */
- if (fs->nr_fstab == 0) {
- ret = calloc (3, sizeof (char *));
- ret[0] = safe_strdup (g, "/");
- ret[1] = safe_strdup (g, root);
- ret[2] = NULL;
- return ret;
- }
-
-#define CRITERION fs->fstab[i].mountpoint[0] == '/'
- size_t i, count = 0;
- for (i = 0; i < fs->nr_fstab; ++i)
- if (CRITERION)
- count++;
-
- /* Hashtables have 2N+1 entries. */
- ret = calloc (2*count+1, sizeof (char *));
- if (ret == NULL) {
- perrorf (g, "calloc");
- return NULL;
- }
-
- count = 0;
- for (i = 0; i < fs->nr_fstab; ++i)
- if (CRITERION) {
- ret[2*count] = safe_strdup (g, fs->fstab[i].mountpoint);
- ret[2*count+1] = safe_strdup (g, fs->fstab[i].device);
- count++;
- }
-#undef CRITERION
-
- return ret;
-}
-
-char **
-guestfs__inspect_get_filesystems (guestfs_h *g, const char *root)
-{
- struct inspect_fs *fs = search_for_root (g, root);
- if (!fs)
- return NULL;
-
- char **ret;
-
- /* If no fstab information (Windows) return just the root. */
- if (fs->nr_fstab == 0) {
- ret = calloc (2, sizeof (char *));
- ret[0] = safe_strdup (g, root);
- ret[1] = NULL;
- return ret;
- }
-
- ret = calloc (fs->nr_fstab + 1, sizeof (char *));
- if (ret == NULL) {
- perrorf (g, "calloc");
- return NULL;
- }
-
- size_t i;
- for (i = 0; i < fs->nr_fstab; ++i)
- ret[i] = safe_strdup (g, fs->fstab[i].device);
-
- return ret;
-}
-
-char **
-guestfs__inspect_get_drive_mappings (guestfs_h *g, const char *root)
-{
- char **ret;
- size_t i, count;
- struct inspect_fs *fs;
-
- fs = search_for_root (g, root);
- if (!fs)
- return NULL;
-
- /* If no drive mappings, return an empty hashtable. */
- if (!fs->drive_mappings)
- count = 0;
- else {
- for (count = 0; fs->drive_mappings[count] != NULL; count++)
- ;
- }
-
- ret = calloc (count+1, sizeof (char *));
- if (ret == NULL) {
- perrorf (g, "calloc");
- return NULL;
- }
-
- /* We need to make a deep copy of the hashtable since the caller
- * will free it.
- */
- for (i = 0; i < count; ++i)
- ret[i] = safe_strdup (g, fs->drive_mappings[i]);
-
- ret[count] = NULL;
-
- return ret;
-}
-
-char *
-guestfs__inspect_get_package_format (guestfs_h *g, const char *root)
-{
- struct inspect_fs *fs = search_for_root (g, root);
- if (!fs)
- return NULL;
-
- char *ret;
- switch (fs->package_format) {
- case OS_PACKAGE_FORMAT_RPM: ret = safe_strdup (g, "rpm"); break;
- case OS_PACKAGE_FORMAT_DEB: ret = safe_strdup (g, "deb"); break;
- case OS_PACKAGE_FORMAT_PACMAN: ret = safe_strdup (g, "pacman"); break;
- case OS_PACKAGE_FORMAT_EBUILD: ret = safe_strdup (g, "ebuild"); break;
- case OS_PACKAGE_FORMAT_PISI: ret = safe_strdup (g, "pisi"); break;
- case OS_PACKAGE_FORMAT_UNKNOWN:
- default:
- ret = safe_strdup (g, "unknown");
- break;
- }
-
- return ret;
-}
-
-char *
-guestfs__inspect_get_package_management (guestfs_h *g, const char *root)
-{
- struct inspect_fs *fs = search_for_root (g, root);
- if (!fs)
- return NULL;
-
- char *ret;
- switch (fs->package_management) {
- case OS_PACKAGE_MANAGEMENT_YUM: ret = safe_strdup (g, "yum"); break;
- case OS_PACKAGE_MANAGEMENT_UP2DATE: ret = safe_strdup (g, "up2date"); break;
- case OS_PACKAGE_MANAGEMENT_APT: ret = safe_strdup (g, "apt"); break;
- case OS_PACKAGE_MANAGEMENT_PACMAN: ret = safe_strdup (g, "pacman"); break;
- case OS_PACKAGE_MANAGEMENT_PORTAGE: ret = safe_strdup (g, "portage"); break;
- case OS_PACKAGE_MANAGEMENT_PISI: ret = safe_strdup (g, "pisi"); break;
- case OS_PACKAGE_MANAGEMENT_URPMI: ret = safe_strdup (g, "urpmi"); break;
- case OS_PACKAGE_MANAGEMENT_UNKNOWN:
- default:
- ret = safe_strdup (g, "unknown");
- break;
- }
-
- return ret;