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-rw-r--r--extras/volume_id/vol_id.c328
1 files changed, 0 insertions, 328 deletions
diff --git a/extras/volume_id/vol_id.c b/extras/volume_id/vol_id.c
deleted file mode 100644
index 3e44c3b069..0000000000
--- a/extras/volume_id/vol_id.c
+++ /dev/null
@@ -1,328 +0,0 @@
-/*
- * vol_id - read filesystem label and uuid
- *
- * Copyright (C) 2005-2008 Kay Sievers <kay.sievers@vrfy.org>
- *
- * 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/>.
- */
-
-#ifndef _GNU_SOURCE
-#define _GNU_SOURCE 1
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <ctype.h>
-#include <errno.h>
-#include <pwd.h>
-#include <grp.h>
-#include <getopt.h>
-#include <fcntl.h>
-#include <sys/stat.h>
-#include <inttypes.h>
-#include <sys/ioctl.h>
-
-#include "../../udev/udev.h"
-#include "lib/libvolume_id.h"
-
-#define BLKGETSIZE64 _IOR(0x12,114,size_t)
-
-static int debug;
-struct udev *udev_ctx;
-
-static void log_fn(struct udev *udev, int priority,
- const char *file, int line, const char *fn,
- const char *format, va_list args)
-{
- if (debug) {
- fprintf(stderr, "%s: ", fn != NULL ? fn : file);
- vfprintf(stderr, format, args);
- } else {
- vsyslog(priority, format, args);
- }
-}
-
-static void vid_log(int priority, const char *file, int line, const char *format, ...)
-{
- va_list args;
-
- if (priority > udev_get_log_priority(udev_ctx))
- return;
- va_start(args, format);
- log_fn(udev_ctx, priority, file, line, NULL, format, args);
- va_end(args);
- return;
-}
-
-static int all_probers(volume_id_probe_fn_t probe_fn,
- struct volume_id *id, uint64_t off, uint64_t size,
- void *data)
-{
- const char *type;
-
- if (probe_fn(id, off, size) == 0)
- if (volume_id_get_type(id, &type))
- printf("%s\n", type);
-
- return 0;
-}
-
-int main(int argc, char *argv[])
-{
- static const struct option options[] = {
- { "label", no_argument, NULL, 'l' },
- { "label-raw", no_argument, NULL, 'L' },
- { "uuid", no_argument, NULL, 'u' },
- { "type", no_argument, NULL, 't' },
- { "export", no_argument, NULL, 'x' },
- { "skip-raid", no_argument, NULL, 's' },
- { "size", required_argument, NULL, 'S' },
- { "probe-all", no_argument, NULL, 'a' },
- { "offset", optional_argument, NULL, 'o' },
- { "debug", no_argument, NULL, 'd' },
- { "help", no_argument, NULL, 'h' },
- {}
- };
-
- enum print_type {
- PRINT_EXPORT,
- PRINT_TYPE,
- PRINT_LABEL,
- PRINT_UUID,
- PRINT_LABEL_RAW,
- } print = PRINT_EXPORT;
-
- struct volume_id *vid = NULL;
- char label_safe[256];
- char label_enc[256];
- char uuid_safe[256];
- char uuid_enc[256];
- char uuid_sub_enc[256];
- char type_enc[256];
- char type_version_enc[256];
- uint64_t size = 0;
- int skip_raid = 0;
- int probe_all = 0;
- uint64_t offset = 0;
- const char *node;
- int fd;
- const char *label, *uuid, *uuid_sub, *type, *type_version, *usage;
- int retval;
- int rc = 0;
-
- udev_ctx = udev_new();
- if (udev_ctx == NULL)
- goto exit;
- logging_init("vol_id");
- udev_set_log_fn(udev_ctx, log_fn);
-
- /* hook in our debug into libvolume_id */
- volume_id_log_fn = vid_log;
-
- while (1) {
- int option;
-
- option = getopt_long(argc, argv, "lLutxsS:aodh", options, NULL);
- if (option == -1)
- break;
-
- switch (option) {
- case 'd':
- debug = 1;
- if (udev_get_log_priority(udev_ctx) < LOG_INFO)
- udev_set_log_priority(udev_ctx, LOG_INFO);
- break;
- case 'l':
- print = PRINT_LABEL;
- break;
- case 'L':
- print = PRINT_LABEL_RAW;
- break;
- case 'u':
- print = PRINT_UUID;
- break;
- case 't':
- print = PRINT_TYPE;
- break;
- case 'x':
- print = PRINT_EXPORT;
- break;
- case 's':
- skip_raid = 1;
- break;
- case 'a':
- probe_all = 1;
- break;
- case 'S':
- if (optarg[0] != '\0')
- size = strtoull(optarg, NULL, 0);
- break;
- case 'o':
- if (optarg[0] != '\0')
- offset = strtoull(optarg, NULL, 0);
- break;
- case 'h':
- printf("Usage: vol_id [options] <device>\n"
- " --export export key/value pairs\n"
- " --type filesystem type\n"
- " --label filesystem label\n"
- " --label-raw raw label\n"
- " --uuid filesystem uuid\n"
- " --skip-raid don't probe for raid\n"
- " --probe-all find possibly conflicting signatures\n"
- " --offset=<bytes> probe at the given offset\n"
- " --size=<bytes> overwrite device size\n"
- " --debug print debug output to stderr\n"
- " --help\n\n");
- goto exit;
- default:
- retval = 1;
- goto exit;
- }
- }
-
- node = argv[optind];
- if (!node) {
- err(udev_ctx, "no device\n");
- fprintf(stderr, "no device\n");
- rc = 1;
- goto exit;
- }
-
- fd = open(node, O_RDONLY);
- if (fd < 0) {
- fprintf(stderr, "%s: error opening volume\n", node);
- rc = 2;
- goto exit;
- }
-
- vid = volume_id_open_fd(fd);
- if (vid == NULL) {
- rc = 2;
- goto exit;
- }
-
- if (size == 0) {
- if (ioctl(fd, BLKGETSIZE64, &size) == 0) {
- info(udev_ctx, "BLKGETSIZE64=%" PRIu64 " (%" PRIu64 "GB)\n", size, size >> 30);
- } else {
- struct stat statbuf;
-
- if (fstat(fd, &statbuf) == 0 && S_ISREG(statbuf.st_mode))
- size = statbuf.st_size;
- else
- size = 0;
- info(udev_ctx, "stat=%" PRIu64 " (%" PRIu64 "GB)\n", size, size >> 30);
- }
- }
-
- /* try to drop all privileges before reading disk content */
- if (getuid() == 0) {
- struct passwd *pw;
-
- pw = getpwnam("nobody");
- if (pw != NULL && pw->pw_uid > 0 && pw->pw_gid > 0) {
- if (setgroups(0, NULL) != 0 ||
- setgid(pw->pw_gid) != 0 ||
- setuid(pw->pw_uid) != 0)
- info(udev_ctx, "unable to drop privileges: %s\n\n", strerror(errno));
- }
- }
-
- if (probe_all) {
- volume_id_all_probers(all_probers, vid, offset, size, NULL);
- goto exit;
- }
-
- if (skip_raid)
- retval = volume_id_probe_filesystem(vid, offset, size);
- else
- retval = volume_id_probe_all(vid, offset, size);
- if (retval != 0) {
- fprintf(stderr, "unknown or non-unique volume type "
- "(--probe-all lists possibly conflicting types)\n");
- rc = 4;
- goto exit;
- }
-
- if (!volume_id_get_label(vid, &label) ||
- !volume_id_get_usage(vid, &usage) ||
- !volume_id_get_type(vid, &type) ||
- !volume_id_get_type_version(vid, &type_version) ||
- !volume_id_get_uuid(vid, &uuid) ||
- !volume_id_get_uuid_sub(vid, &uuid_sub)) {
- rc = 4;
- goto exit;
- }
-
- udev_util_replace_whitespace(label, label_safe, sizeof(label_safe));
- udev_util_replace_chars(label_safe, UDEV_ALLOWED_CHARS_INPUT);
- volume_id_encode_string(label, label_enc, sizeof(label_enc));
-
- udev_util_replace_whitespace(uuid, uuid_safe, sizeof(uuid_safe));
- udev_util_replace_chars(uuid_safe, UDEV_ALLOWED_CHARS_INPUT);
- volume_id_encode_string(uuid, uuid_enc, sizeof(uuid_enc));
-
- volume_id_encode_string(uuid_sub, uuid_sub_enc, sizeof(uuid_sub_enc));
-
- volume_id_encode_string(type, type_enc, sizeof(type_enc));
- volume_id_encode_string(type_version, type_version_enc, sizeof(type_version_enc));
-
- switch (print) {
- case PRINT_EXPORT:
- printf("ID_FS_USAGE=%s\n", usage);
- printf("ID_FS_TYPE=%s\n", type_enc);
- printf("ID_FS_VERSION=%s\n", type_version_enc);
- printf("ID_FS_UUID=%s\n", uuid_safe);
- printf("ID_FS_UUID_ENC=%s\n", uuid_enc);
- if (uuid_sub_enc[0] != '\0')
- printf("ID_FS_UUID_SUB_ENC=%s\n", uuid_sub_enc);
- printf("ID_FS_LABEL=%s\n", label_safe);
- printf("ID_FS_LABEL_ENC=%s\n", label_enc);
- break;
- case PRINT_TYPE:
- printf("%s\n", type);
- break;
- case PRINT_LABEL:
- if (label_safe[0] == '\0' || strcmp(usage, "raid") == 0) {
- rc = 3;
- goto exit;
- }
- printf("%s\n", label_safe);
- break;
- case PRINT_UUID:
- if (uuid_enc[0] == '\0' || strcmp(usage, "raid") == 0) {
- rc = 4;
- goto exit;
- }
- printf("%s\n", uuid_enc);
- break;
- case PRINT_LABEL_RAW:
- if (label[0] == '\0' || strcmp(usage, "raid") == 0) {
- rc = 3;
- goto exit;
- }
- printf("%s\n", label);
- break;
- }
-
-exit:
- if (vid != NULL)
- volume_id_close(vid);
- udev_unref(udev_ctx);
- logging_close();
- return rc;
-}
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