/*
* udev_volume_id - udev callout to read filesystem label and uuid
*
- * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ * Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
*
* sample udev rule for creation of a symlink with the filsystem uuid:
- * KERNEL="sd*", PROGRAM="/sbin/udev_volume_id -u", SYMLINK="%c"
+ * KERNEL="sd*", PROGRAM="/sbin/udev_volume_id -u %N", SYMLINK="%c"
*
* 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
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
+#include <string.h>
#include <ctype.h>
+#include <sys/ioctl.h>
-#include "../../libsysfs/sysfs/libsysfs.h"
-#include "../../udev_lib.h"
+#include "../../udev_utils.h"
#include "../../logging.h"
-#include "volume_id.h"
-#include "dasdlabel.h"
+#include "volume_id/volume_id.h"
+#include "volume_id/dasd/dasd.h"
+
+#define BLKGETSIZE64 _IOR(0x12,114,size_t)
#ifdef LOG
-unsigned char logname[LOGNAME_SIZE];
void log_message(int level, const char *format, ...)
{
va_list args;
}
#endif
-static struct volume_id *open_classdev(struct sysfs_class_device *class_dev)
-{
- struct volume_id *vid;
- struct sysfs_attribute *attr;
- int major, minor;
-
- attr = sysfs_get_classdev_attr(class_dev, "dev");
-
- if (attr == NULL) {
- printf("error reading 'dev' attribute\n");
- return NULL;
- }
-
- if (sscanf(attr->value, "%u:%u", &major, &minor) != 2) {
- printf("error getting major/minor number\n");
- return NULL;
- }
-
- vid = volume_id_open_dev_t(makedev(major, minor));
- if (vid == NULL) {
- printf("error open volume\n");
- return NULL;
- }
-
- return vid;
-}
+extern int optind;
int main(int argc, char *argv[])
{
- const char help[] = "usage: udev_volume_id [-t|-l|-u|-d]\n"
+ const char help[] = "usage: udev_volume_id [-t|-l|-u] <device>\n"
" -t filesystem type\n"
" -l filesystem label\n"
" -u filesystem uuid\n"
- " -d disk label from main device\n"
"\n";
- static const char short_options[] = "htlud";
- int option;
- char sysfs_path[SYSFS_PATH_MAX];
- char dev_path[SYSFS_PATH_MAX];
- struct sysfs_class_device *class_dev = NULL;
- struct sysfs_class_device *class_dev_parent = NULL;
+ static const char short_options[] = "htlu";
struct volume_id *vid = NULL;
- char *devpath;
- char probe = 'p';
+ const char *device;
char print = 'a';
- char dasd_label[7];
static char name[VOLUME_ID_LABEL_SIZE];
int len, i, j;
+ unsigned long long size;
int rc = 1;
+ logging_init("udev_volume_id");
+
while (1) {
+ int option;
+
option = getopt(argc, argv, short_options);
if (option == -1)
break;
case 'u':
print = 'u';
continue;
- case 'd':
- probe = 'd';
- continue;
case 'h':
case '?':
default:
}
}
- devpath = getenv("DEVPATH");
- if (devpath == NULL) {
- printf("error DEVPATH empty\n");
- goto exit;
+ device = argv[optind];
+ if (device == NULL) {
+ printf(help);
+ exit(1);
}
- if (sysfs_get_mnt_path(sysfs_path, SYSFS_PATH_MAX) != 0) {
- printf("error getting sysfs mount path\n");
+ vid = volume_id_open_node(device);
+ if (vid == NULL) {
+ printf("error open volume\n");
goto exit;
}
- strfieldcpy(dev_path, sysfs_path);
- strfieldcat(dev_path, devpath);
+ if (ioctl(vid->fd, BLKGETSIZE64, &size) != 0)
+ size = 0;
- class_dev = sysfs_open_class_device_path(dev_path);
- if (class_dev == NULL) {
- printf("error getting class device\n");
- goto exit;
- }
+ if (volume_id_probe_all(vid, 0, size) == 0)
+ goto print;
- switch(probe) {
- case 'p' :
- /* open block device */
- vid = open_classdev(class_dev);
- if (vid == NULL)
- goto exit;
- if (volume_id_probe(vid, ALL) == 0)
- goto print;
- break;
- case 'd' :
- /* if we are on a partition, close it and open main block device */
- class_dev_parent = sysfs_get_classdev_parent(class_dev);
- if (class_dev_parent != NULL) {
- volume_id_close(vid);
- vid = open_classdev(class_dev_parent);
- } else {
- vid = open_classdev(class_dev_parent);
- }
- if (vid == NULL)
- goto exit;
- if (probe_ibm_partition(vid->fd, dasd_label) == 0) {
- vid->fs_name = "dasd";
- strncpy(vid->label_string, dasd_label, 6);
- vid->label_string[6] = '\0';
- goto print;
- }
- break;
- }
+ if (volume_id_probe_dasd(vid) == 0)
+ goto print;
printf("unknown volume type\n");
goto exit;
print:
- len = strnlen(vid->label_string, VOLUME_ID_LABEL_SIZE);
+ len = strnlen(vid->label, VOLUME_ID_LABEL_SIZE);
/* remove trailing spaces */
- while (len > 0 && isspace(vid->label_string[len-1]))
+ while (len > 0 && isspace(vid->label[len-1]))
len--;
name[len] = '\0';
i = 0;
j = 0;
while (j < len) {
- switch(vid->label_string[j]) {
+ switch(vid->label[j]) {
case '/' :
break;
case ' ' :
name[i++] = '_';
break;
default :
- name[i++] = vid->label_string[j];
+ name[i++] = vid->label[j];
}
j++;
}
switch (print) {
case 't':
- printf("%s\n", vid->fs_name);
+ printf("%s\n", vid->type);
break;
case 'l':
- if (name[0] == '\0') {
+ if (name[0] == '\0' ||
+ (vid->usage_id != VOLUME_ID_FILESYSTEM && vid->usage_id != VOLUME_ID_DISKLABEL)) {
rc = 2;
goto exit;
}
printf("%s\n", name);
break;
case 'u':
- if (vid->uuid_string[0] == '\0') {
+ if (vid->uuid[0] == '\0' || vid->usage_id != VOLUME_ID_FILESYSTEM) {
rc = 2;
goto exit;
}
- printf("%s\n", vid->uuid_string);
+ printf("%s\n", vid->uuid);
break;
case 'a':
- printf("T:%s\n", vid->fs_name);
- printf("L:%s\n", vid->label_string);
+ printf("F:%s\n", vid->usage);
+ printf("T:%s\n", vid->type);
+ printf("V:%s\n", vid->type_version);
+ printf("L:%s\n", vid->label);
printf("N:%s\n", name);
- printf("U:%s\n", vid->uuid_string);
+ printf("U:%s\n", vid->uuid);
}
rc = 0;
exit:
- if (class_dev != NULL)
- sysfs_close_class_device(class_dev);
if (vid != NULL)
volume_id_close(vid);
+ logging_close();
+
exit(rc);
}
~ianmdlvl / elogind.git / blobdiff