diff options
Diffstat (limited to 'src/udev/udev-builtin-blkid.c')
| -rw-r--r-- | src/udev/udev-builtin-blkid.c | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/src/udev/udev-builtin-blkid.c b/src/udev/udev-builtin-blkid.c deleted file mode 100644 index 4293103046..0000000000 --- a/src/udev/udev-builtin-blkid.c +++ /dev/null @@ -1,204 +0,0 @@ -/* - * probe disks for filesystems and partitions - * - * Copyright (C) 2011 Kay Sievers <kay@vrfy.org> - * Copyright (C) 2011 Karel Zak <kzak@redhat.com> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <stdarg.h> -#include <unistd.h> -#include <string.h> -#include <errno.h> -#include <fcntl.h> -#include <getopt.h> -#include <sys/stat.h> -#include <blkid/blkid.h> - -#include "udev.h" - -static void print_property(struct udev_device *dev, bool test, const char *name, const char *value) -{ - char s[265]; - - s[0] = '\0'; - - if (streq(name, "TYPE")) { - udev_builtin_add_property(dev, test, "ID_FS_TYPE", value); - - } else if (streq(name, "USAGE")) { - udev_builtin_add_property(dev, test, "ID_FS_USAGE", value); - - } else if (streq(name, "VERSION")) { - udev_builtin_add_property(dev, test, "ID_FS_VERSION", value); - - } else if (streq(name, "UUID")) { - blkid_safe_string(value, s, sizeof(s)); - udev_builtin_add_property(dev, test, "ID_FS_UUID", s); - blkid_encode_string(value, s, sizeof(s)); - udev_builtin_add_property(dev, test, "ID_FS_UUID_ENC", s); - - } else if (streq(name, "UUID_SUB")) { - blkid_safe_string(value, s, sizeof(s)); - udev_builtin_add_property(dev, test, "ID_FS_UUID_SUB", s); - blkid_encode_string(value, s, sizeof(s)); - udev_builtin_add_property(dev, test, "ID_FS_UUID_SUB_ENC", s); - - } else if (streq(name, "LABEL")) { - blkid_safe_string(value, s, sizeof(s)); - udev_builtin_add_property(dev, test, "ID_FS_LABEL", s); - blkid_encode_string(value, s, sizeof(s)); - udev_builtin_add_property(dev, test, "ID_FS_LABEL_ENC", s); - - } else if (streq(name, "PTTYPE")) { - udev_builtin_add_property(dev, test, "ID_PART_TABLE_TYPE", value); - - } else if (streq(name, "PART_ENTRY_NAME")) { - blkid_encode_string(value, s, sizeof(s)); - udev_builtin_add_property(dev, test, "ID_PART_ENTRY_NAME", s); - - } else if (streq(name, "PART_ENTRY_TYPE")) { - blkid_encode_string(value, s, sizeof(s)); - udev_builtin_add_property(dev, test, "ID_PART_ENTRY_TYPE", s); - - } else if (startswith(name, "PART_ENTRY_")) { - util_strscpyl(s, sizeof(s), "ID_", name, NULL); - udev_builtin_add_property(dev, test, s, value); - } -} - -static int probe_superblocks(blkid_probe pr) -{ - struct stat st; - int rc; - - if (fstat(blkid_probe_get_fd(pr), &st)) - return -1; - - blkid_probe_enable_partitions(pr, 1); - - if (!S_ISCHR(st.st_mode) && blkid_probe_get_size(pr) <= 1024 * 1440 && - blkid_probe_is_wholedisk(pr)) { - /* - * check if the small disk is partitioned, if yes then - * don't probe for filesystems. - */ - blkid_probe_enable_superblocks(pr, 0); - - rc = blkid_do_fullprobe(pr); - if (rc < 0) - return rc; /* -1 = error, 1 = nothing, 0 = succes */ - - if (blkid_probe_lookup_value(pr, "PTTYPE", NULL, NULL) == 0) - return 0; /* partition table detected */ - } - - blkid_probe_set_partitions_flags(pr, BLKID_PARTS_ENTRY_DETAILS); - blkid_probe_enable_superblocks(pr, 1); - - return blkid_do_safeprobe(pr); -} - -static int builtin_blkid(struct udev_device *dev, int argc, char *argv[], bool test) -{ - int64_t offset = 0; - bool noraid = false; - int fd = -1; - blkid_probe pr; - const char *data; - const char *name; - int nvals; - int i; - size_t len; - int err = 0; - - static const struct option options[] = { - { "offset", optional_argument, NULL, 'o' }, - { "noraid", no_argument, NULL, 'R' }, - {} - }; - - for (;;) { - int option; - - option = getopt_long(argc, argv, "oR", options, NULL); - if (option == -1) - break; - - switch (option) { - case 'o': - offset = strtoull(optarg, NULL, 0); - break; - case 'R': - noraid = true; - break; - } - } - - pr = blkid_new_probe(); - if (!pr) - return EXIT_FAILURE; - - blkid_probe_set_superblocks_flags(pr, - BLKID_SUBLKS_LABEL | BLKID_SUBLKS_UUID | - BLKID_SUBLKS_TYPE | BLKID_SUBLKS_SECTYPE | - BLKID_SUBLKS_USAGE | BLKID_SUBLKS_VERSION); - - if (noraid) - blkid_probe_filter_superblocks_usage(pr, BLKID_FLTR_NOTIN, BLKID_USAGE_RAID); - - fd = open(udev_device_get_devnode(dev), O_RDONLY|O_CLOEXEC); - if (fd < 0) { - fprintf(stderr, "error: %s: %m\n", udev_device_get_devnode(dev)); - goto out; - } - - err = blkid_probe_set_device(pr, fd, offset, 0); - if (err < 0) - goto out; - - log_debug("probe %s %sraid offset=%llu\n", - udev_device_get_devnode(dev), - noraid ? "no" : "", (unsigned long long) offset); - - err = probe_superblocks(pr); - if (err < 0) - goto out; - - nvals = blkid_probe_numof_values(pr); - for (i = 0; i < nvals; i++) { - if (blkid_probe_get_value(pr, i, &name, &data, &len)) - continue; - len = strnlen((char *) data, len); - print_property(dev, test, name, (char *) data); - } - - blkid_free_probe(pr); -out: - if (fd > 0) - close(fd); - if (err < 0) - return EXIT_FAILURE; - return EXIT_SUCCESS; -} - -const struct udev_builtin udev_builtin_blkid = { - .name = "blkid", - .cmd = builtin_blkid, - .help = "filesystem and partition probing", - .run_once = true, -}; |