/*
* Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com>
- * Copyright (C) 2004-2005 Kay Sievers <kay.sievers@vrfy.org>
+ * Copyright (C) 2004-2008 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 version 2 of the License.
- *
- * 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, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * 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 <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include "udev.h"
-#include "udev_selinux.h"
-
-static size_t devpath_to_db_path(const char *devpath, char *filename, size_t len)
+static size_t devpath_to_db_path(struct udev *udev, const char *devpath, char *filename, size_t len)
{
size_t start;
/* translate to location of db file */
- strlcpy(filename, udev_root, len);
- start = strlcat(filename, "/.udev/db/", len);
- strlcat(filename, devpath, len);
- return path_encode(&filename[start], len - start);
+ util_strlcpy(filename, udev_get_dev_path(udev), len);
+ start = util_strlcat(filename, "/.udev/db/", len);
+ util_strlcat(filename, devpath, len);
+ return util_path_encode(&filename[start], len - start);
}
/* reverse mapping from the device file name to the devpath */
-static int name_index(const char *devpath, const char *name, int add)
+static int name_index(struct udev *udev, const char *devpath, const char *name, int add)
{
- char device[PATH_SIZE];
- char filename[PATH_SIZE * 2];
+ char device[UTIL_PATH_SIZE];
+ char filename[UTIL_PATH_SIZE * 2];
size_t start;
int fd;
/* directory with device name */
- strlcpy(filename, udev_root, sizeof(filename));
- start = strlcat(filename, "/.udev/names/", sizeof(filename));
- strlcat(filename, name, sizeof(filename));
- path_encode(&filename[start], sizeof(filename) - start);
+ util_strlcpy(filename, udev_get_dev_path(udev), sizeof(filename));
+ start = util_strlcat(filename, "/.udev/names/", sizeof(filename));
+ util_strlcat(filename, name, sizeof(filename));
+ util_path_encode(&filename[start], sizeof(filename) - start);
/* entry with the devpath */
- strlcpy(device, devpath, sizeof(device));
- path_encode(device, sizeof(device));
- strlcat(filename, "/", sizeof(filename));
- strlcat(filename, device, sizeof(filename));
+ util_strlcpy(device, devpath, sizeof(device));
+ util_path_encode(device, sizeof(device));
+ util_strlcat(filename, "/", sizeof(filename));
+ util_strlcat(filename, device, sizeof(filename));
if (add) {
- info("creating index: '%s'\n", filename);
- create_path(filename);
+ info(udev, "creating index: '%s'\n", filename);
+ create_path(udev, filename);
fd = open(filename, O_WRONLY|O_TRUNC|O_CREAT, 0644);
if (fd > 0)
close(fd);
} else {
- info("removing index: '%s'\n", filename);
+ info(udev, "removing index: '%s'\n", filename);
unlink(filename);
- delete_path(filename);
+ delete_path(udev, filename);
}
return 0;
}
-int udev_db_get_devices_by_name(const char *name, struct list_head *name_list)
+int udev_db_get_devices_by_name(struct udev *udev, const char *name, struct list_head *name_list)
{
char dirname[PATH_MAX];
size_t start;
DIR *dir;
int rc = 0;
- strlcpy(dirname, udev_root, sizeof(dirname));
- start = strlcat(dirname, "/.udev/names/", sizeof(dirname));
- strlcat(dirname, name, sizeof(dirname));
- path_encode(&dirname[start], sizeof(dirname) - start);
+ util_strlcpy(dirname, udev_get_dev_path(udev), sizeof(dirname));
+ start = util_strlcat(dirname, "/.udev/names/", sizeof(dirname));
+ util_strlcat(dirname, name, sizeof(dirname));
+ util_path_encode(&dirname[start], sizeof(dirname) - start);
dir = opendir(dirname);
if (dir == NULL) {
- info("no index directory '%s': %s\n", dirname, strerror(errno));
+ info(udev, "no index directory '%s': %m\n", dirname);
rc = -1;
goto out;
}
- info("found index directory '%s'\n", dirname);
+ info(udev, "found index directory '%s'\n", dirname);
while (1) {
struct dirent *ent;
- char device[PATH_SIZE];
+ char device[UTIL_PATH_SIZE];
ent = readdir(dir);
if (ent == NULL || ent->d_name[0] == '\0')
if (ent->d_name[0] == '.')
continue;
- strlcpy(device, ent->d_name, sizeof(device));
- path_decode(device);
- name_list_add(name_list, device, 0);
+ util_strlcpy(device, ent->d_name, sizeof(device));
+ util_path_decode(device);
+ name_list_add(udev, name_list, device, 0);
rc++;
}
closedir(dir);
return rc;
}
-int udev_db_rename(const char *devpath_old, const char *devpath)
+int udev_db_rename(struct udev *udev, const char *devpath_old, const char *devpath)
{
- char filename[PATH_SIZE];
- char filename_old[PATH_SIZE];
+ char filename[UTIL_PATH_SIZE];
+ char filename_old[UTIL_PATH_SIZE];
- devpath_to_db_path(devpath_old, filename_old, sizeof(filename_old));
- devpath_to_db_path(devpath, filename, sizeof(filename));
+ devpath_to_db_path(udev, devpath_old, filename_old, sizeof(filename_old));
+ devpath_to_db_path(udev, devpath, filename, sizeof(filename));
return rename(filename_old, filename);
}
-int udev_db_add_device(struct udevice *udev)
+int udev_db_add_device(struct udevice *udevice)
{
- char filename[PATH_SIZE];
+ char filename[UTIL_PATH_SIZE];
- if (udev->test_run)
+ if (udevice->test_run)
return 0;
- devpath_to_db_path(udev->dev->devpath, filename, sizeof(filename));
- create_path(filename);
+ devpath_to_db_path(udevice->udev, udevice->dev->devpath, filename, sizeof(filename));
+ create_path(udevice->udev, filename);
unlink(filename);
/*
* don't waste tmpfs memory pages, if we don't have any data to store
* create fake db-file; store the node-name in a symlink target
*/
- if (list_empty(&udev->symlink_list) && list_empty(&udev->env_list) &&
- !udev->partitions && !udev->ignore_remove) {
+ if (list_empty(&udevice->symlink_list) && list_empty(&udevice->env_list) &&
+ !udevice->partitions && !udevice->ignore_remove) {
int ret;
- dbg("nothing interesting to store, create symlink\n");
- selinux_setfscreatecon(filename, NULL, S_IFLNK);
- ret = symlink(udev->name, filename);
- selinux_resetfscreatecon();
+ dbg(udevice->udev, "nothing interesting to store, create symlink\n");
+ udev_selinux_setfscreatecon(udevice->udev, filename, S_IFLNK);
+ ret = symlink(udevice->name, filename);
+ udev_selinux_resetfscreatecon(udevice->udev);
if (ret != 0) {
- err("unable to create db link '%s': %s\n", filename, strerror(errno));
+ err(udevice->udev, "unable to create db link '%s': %m\n", filename);
return -1;
}
} else {
f = fopen(filename, "w");
if (f == NULL) {
- err("unable to create db file '%s': %s\n", filename, strerror(errno));
+ err(udevice->udev, "unable to create db file '%s': %m\n", filename);
return -1;
}
- dbg("storing data for device '%s' in '%s'\n", udev->dev->devpath, filename);
+ dbg(udevice->udev, "storing data for device '%s' in '%s'\n", udevice->dev->devpath, filename);
- fprintf(f, "N:%s\n", udev->name);
- list_for_each_entry(name_loop, &udev->symlink_list, node) {
+ fprintf(f, "N:%s\n", udevice->name);
+ list_for_each_entry(name_loop, &udevice->symlink_list, node) {
fprintf(f, "S:%s\n", name_loop->name);
/* add symlink-name to index */
- name_index(udev->dev->devpath, name_loop->name, 1);
+ name_index(udevice->udev, udevice->dev->devpath, name_loop->name, 1);
}
- fprintf(f, "M:%u:%u\n", major(udev->devt), minor(udev->devt));
- if (udev->link_priority != 0)
- fprintf(f, "L:%u\n", udev->link_priority);
- if (udev->event_timeout >= 0)
- fprintf(f, "T:%u\n", udev->event_timeout);
- if (udev->partitions != 0)
- fprintf(f, "A:%u\n", udev->partitions);
- if (udev->ignore_remove)
- fprintf(f, "R:%u\n", udev->ignore_remove);
- list_for_each_entry(name_loop, &udev->env_list, node)
+ fprintf(f, "M:%u:%u\n", major(udevice->devt), minor(udevice->devt));
+ if (udevice->link_priority != 0)
+ fprintf(f, "L:%u\n", udevice->link_priority);
+ if (udevice->event_timeout >= 0)
+ fprintf(f, "T:%u\n", udevice->event_timeout);
+ if (udevice->partitions != 0)
+ fprintf(f, "A:%u\n", udevice->partitions);
+ if (udevice->ignore_remove)
+ fprintf(f, "R:%u\n", udevice->ignore_remove);
+ list_for_each_entry(name_loop, &udevice->env_list, node)
fprintf(f, "E:%s\n", name_loop->name);
fclose(f);
}
/* add name to index */
- name_index(udev->dev->devpath, udev->name, 1);
+ name_index(udevice->udev, udevice->dev->devpath, udevice->name, 1);
return 0;
}
-int udev_db_get_device(struct udevice *udev, const char *devpath)
+int udev_db_get_device(struct udevice *udevice, const char *devpath)
{
struct stat stats;
- char filename[PATH_SIZE];
- char line[PATH_SIZE];
+ char filename[UTIL_PATH_SIZE];
+ char line[UTIL_PATH_SIZE];
unsigned int maj, min;
char *bufline;
char *buf;
size_t cur;
size_t count;
- sysfs_device_set_values(udev->dev, devpath, NULL, NULL);
- devpath_to_db_path(devpath, filename, sizeof(filename));
+ sysfs_device_set_values(udevice->udev, udevice->dev, devpath, NULL, NULL);
+ devpath_to_db_path(udevice->udev, devpath, filename, sizeof(filename));
if (lstat(filename, &stats) != 0) {
- info("no db file to read %s: %s\n", filename, strerror(errno));
+ info(udevice->udev, "no db file to read %s: %m\n", filename);
return -1;
}
if ((stats.st_mode & S_IFMT) == S_IFLNK) {
- char target[NAME_SIZE];
+ char target[UTIL_NAME_SIZE];
int target_len;
- info("found a symlink as db file\n");
+ info(udevice->udev, "found a symlink as db file\n");
target_len = readlink(filename, target, sizeof(target));
if (target_len > 0)
target[target_len] = '\0';
else {
- info("error reading db link %s: %s\n", filename, strerror(errno));
+ info(udevice->udev, "error reading db link %s: %m\n", filename);
return -1;
}
- dbg("db link points to '%s'\n", target);
- strlcpy(udev->name, target, sizeof(udev->name));
+ dbg(udevice->udev, "db link points to '%s'\n", target);
+ util_strlcpy(udevice->name, target, sizeof(udevice->name));
return 0;
}
if (file_map(filename, &buf, &bufsize) != 0) {
- info("error reading db file %s: %s\n", filename, strerror(errno));
+ info(udevice->udev, "error reading db file %s: %m\n", filename);
return -1;
}
switch(bufline[0]) {
case 'N':
- strlcpy(udev->name, line, sizeof(udev->name));
+ util_strlcpy(udevice->name, line, sizeof(udevice->name));
break;
case 'M':
sscanf(line, "%u:%u", &maj, &min);
- udev->devt = makedev(maj, min);
+ udevice->devt = makedev(maj, min);
break;
case 'S':
- name_list_add(&udev->symlink_list, line, 0);
+ name_list_add(udevice->udev, &udevice->symlink_list, line, 0);
break;
case 'L':
- udev->link_priority = atoi(line);
+ udevice->link_priority = atoi(line);
break;
case 'T':
- udev->event_timeout = atoi(line);
+ udevice->event_timeout = atoi(line);
break;
case 'A':
- udev->partitions = atoi(line);
+ udevice->partitions = atoi(line);
break;
case 'R':
- udev->ignore_remove = atoi(line);
+ udevice->ignore_remove = atoi(line);
break;
case 'E':
- name_list_add(&udev->env_list, line, 0);
+ name_list_add(udevice->udev, &udevice->env_list, line, 0);
break;
}
}
file_unmap(buf, bufsize);
- if (udev->name[0] == '\0')
+ if (udevice->name[0] == '\0')
return -1;
return 0;
}
-int udev_db_delete_device(struct udevice *udev)
+int udev_db_delete_device(struct udevice *udevice)
{
- char filename[PATH_SIZE];
+ char filename[UTIL_PATH_SIZE];
struct name_entry *name_loop;
- if (udev->test_run)
+ if (udevice->test_run)
return 0;
- devpath_to_db_path(udev->dev->devpath, filename, sizeof(filename));
+ devpath_to_db_path(udevice->udev, udevice->dev->devpath, filename, sizeof(filename));
unlink(filename);
- name_index(udev->dev->devpath, udev->name, 0);
- list_for_each_entry(name_loop, &udev->symlink_list, node)
- name_index(udev->dev->devpath, name_loop->name, 0);
-
- return 0;
-}
-
-int udev_db_get_all_entries(struct list_head *name_list)
-{
- char dbpath[PATH_MAX];
- DIR *dir;
-
- strlcpy(dbpath, udev_root, sizeof(dbpath));
- strlcat(dbpath, "/.udev/db", sizeof(dbpath));
- dir = opendir(dbpath);
- if (dir == NULL) {
- info("no udev_db available '%s': %s\n", dbpath, strerror(errno));
- return -1;
- }
+ name_index(udevice->udev, udevice->dev->devpath, udevice->name, 0);
+ list_for_each_entry(name_loop, &udevice->symlink_list, node)
+ name_index(udevice->udev, udevice->dev->devpath, name_loop->name, 0);
- while (1) {
- struct dirent *ent;
- char device[PATH_SIZE];
-
- ent = readdir(dir);
- if (ent == NULL || ent->d_name[0] == '\0')
- break;
- if (ent->d_name[0] == '.')
- continue;
-
- strlcpy(device, ent->d_name, sizeof(device));
- path_decode(device);
- name_list_add(name_list, device, 1);
- dbg("added '%s'\n", device);
- }
-
- closedir(dir);
return 0;
}
~ianmdlvl / elogind.git / blobdiff