/*
- * Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com>
- * Copyright (C) 2004-2006 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 "udev.h"
#include "udev_rules.h"
-#include "udev_selinux.h"
#define TMP_FILE_EXT ".udev-tmp"
int udev_node_mknod(struct udevice *udevice, const char *file, dev_t devt, mode_t mode, uid_t uid, gid_t gid)
{
- char file_tmp[PATH_SIZE + sizeof(TMP_FILE_EXT)];
+ char file_tmp[UTIL_PATH_SIZE + sizeof(TMP_FILE_EXT)];
struct stat stats;
int preserve = 0;
int err = 0;
if (((stats.st_mode & S_IFMT) == (mode & S_IFMT)) && (stats.st_rdev == devt)) {
info(udevice->udev, "preserve file '%s', because it has correct dev_t\n", file);
preserve = 1;
- selinux_setfilecon(udevice->udev, file, udevice->dev->kernel, mode);
+ udev_selinux_lsetfilecon(udevice->udev, file, mode);
} else {
info(udevice->udev, "atomically replace existing file '%s'\n", file);
- strlcpy(file_tmp, file, sizeof(file_tmp));
- strlcat(file_tmp, TMP_FILE_EXT, sizeof(file_tmp));
+ util_strlcpy(file_tmp, file, sizeof(file_tmp));
+ util_strlcat(file_tmp, TMP_FILE_EXT, sizeof(file_tmp));
unlink(file_tmp);
- selinux_setfscreatecon(udevice->udev, file_tmp, udevice->dev->kernel, mode);
+ udev_selinux_setfscreatecon(udevice->udev, file_tmp, mode);
err = mknod(file_tmp, mode, devt);
- selinux_resetfscreatecon(udevice->udev);
+ udev_selinux_resetfscreatecon(udevice->udev);
if (err != 0) {
- err(udevice->udev, "mknod(%s, %#o, %u, %u) failed: %s\n",
- file_tmp, mode, major(devt), minor(devt), strerror(errno));
+ err(udevice->udev, "mknod(%s, %#o, %u, %u) failed: %m\n",
+ file_tmp, mode, major(devt), minor(devt));
goto exit;
}
err = rename(file_tmp, file);
if (err != 0) {
- err(udevice->udev, "rename(%s, %s) failed: %s\n", file_tmp, file, strerror(errno));
+ err(udevice->udev, "rename(%s, %s) failed: %m\n", file_tmp, file);
unlink(file_tmp);
}
}
} else {
info(udevice->udev, "mknod(%s, %#o, (%u,%u))\n", file, mode, major(devt), minor(devt));
- selinux_setfscreatecon(udevice->udev, file, udevice->dev->kernel, mode);
+ udev_selinux_setfscreatecon(udevice->udev, file, mode);
err = mknod(file, mode, devt);
- selinux_resetfscreatecon(udevice->udev);
+ udev_selinux_resetfscreatecon(udevice->udev);
if (err != 0) {
- err(udevice->udev, "mknod(%s, %#o, (%u,%u) failed: %s\n",
- file, mode, major(devt), minor(devt), strerror(errno));
+ err(udevice->udev, "mknod(%s, %#o, (%u,%u) failed: %m\n",
+ file, mode, major(devt), minor(devt));
goto exit;
}
}
info(udevice->udev, "chmod(%s, %#o)\n", file, mode);
err = chmod(file, mode);
if (err != 0) {
- err(udevice->udev, "chmod(%s, %#o) failed: %s\n", file, mode, strerror(errno));
+ err(udevice->udev, "chmod(%s, %#o) failed: %m\n", file, mode);
goto exit;
}
}
info(udevice->udev, "chown(%s, %u, %u)\n", file, uid, gid);
err = chown(file, uid, gid);
if (err != 0) {
- err(udevice->udev, "chown(%s, %u, %u) failed: %s\n", file, uid, gid, strerror(errno));
+ err(udevice->udev, "chown(%s, %u, %u) failed: %m\n", file, uid, gid);
goto exit;
}
}
static int node_symlink(struct udevice *udevice, const char *node, const char *slink)
{
struct stat stats;
- char target[PATH_SIZE] = "";
- char slink_tmp[PATH_SIZE + sizeof(TMP_FILE_EXT)];
+ char target[UTIL_PATH_SIZE] = "";
+ char slink_tmp[UTIL_PATH_SIZE + sizeof(TMP_FILE_EXT)];
int i = 0;
int tail = 0;
int len;
}
while (slink[i] != '\0') {
if (slink[i] == '/')
- strlcat(target, "../", sizeof(target));
+ util_strlcat(target, "../", sizeof(target));
i++;
}
- strlcat(target, &node[tail], sizeof(target));
+ util_strlcat(target, &node[tail], sizeof(target));
/* preserve link with correct target, do not replace node of other device */
if (lstat(slink, &stats) == 0) {
}
}
} else if (S_ISLNK(stats.st_mode)) {
- char buf[PATH_SIZE];
+ char buf[UTIL_PATH_SIZE];
info(udevice->udev, "found existing symlink '%s'\n", slink);
len = readlink(slink, buf, sizeof(buf));
buf[len] = '\0';
if (strcmp(target, buf) == 0) {
info(udevice->udev, "preserve already existing symlink '%s' to '%s'\n", slink, target);
- selinux_setfilecon(udevice->udev, slink, NULL, S_IFLNK);
+ udev_selinux_lsetfilecon(udevice->udev, slink, S_IFLNK);
goto exit;
}
}
}
} else {
info(udevice->udev, "creating symlink '%s' to '%s'\n", slink, target);
- selinux_setfscreatecon(udevice->udev, slink, NULL, S_IFLNK);
+ udev_selinux_setfscreatecon(udevice->udev, slink, S_IFLNK);
retval = symlink(target, slink);
- selinux_resetfscreatecon(udevice->udev);
+ udev_selinux_resetfscreatecon(udevice->udev);
if (retval == 0)
goto exit;
}
info(udevice->udev, "atomically replace '%s'\n", slink);
- strlcpy(slink_tmp, slink, sizeof(slink_tmp));
- strlcat(slink_tmp, TMP_FILE_EXT, sizeof(slink_tmp));
+ util_strlcpy(slink_tmp, slink, sizeof(slink_tmp));
+ util_strlcat(slink_tmp, TMP_FILE_EXT, sizeof(slink_tmp));
unlink(slink_tmp);
- selinux_setfscreatecon(udevice->udev, slink, NULL, S_IFLNK);
+ udev_selinux_setfscreatecon(udevice->udev, slink, S_IFLNK);
retval = symlink(target, slink_tmp);
- selinux_resetfscreatecon(udevice->udev);
+ udev_selinux_resetfscreatecon(udevice->udev);
if (retval != 0) {
- err(udevice->udev, "symlink(%s, %s) failed: %s\n", target, slink_tmp, strerror(errno));
+ err(udevice->udev, "symlink(%s, %s) failed: %m\n", target, slink_tmp);
goto exit;
}
retval = rename(slink_tmp, slink);
if (retval != 0) {
- err(udevice->udev, "rename(%s, %s) failed: %s\n", slink_tmp, slink, strerror(errno));
+ err(udevice->udev, "rename(%s, %s) failed: %m\n", slink_tmp, slink);
unlink(slink_tmp);
goto exit;
}
static int update_link(struct udevice *udevice, const char *name)
{
LIST_HEAD(name_list);
- char slink[PATH_SIZE];
- char node[PATH_SIZE];
+ char slink[UTIL_PATH_SIZE];
+ char node[UTIL_PATH_SIZE];
struct udevice *udevice_db;
struct name_entry *device;
- char target[PATH_MAX] = "";
+ char target[UTIL_PATH_SIZE] = "";
int count;
int priority = 0;
int rc = 0;
- strlcpy(slink, udev_get_dev_path(udevice->udev), sizeof(slink));
- strlcat(slink, "/", sizeof(slink));
- strlcat(slink, name, sizeof(slink));
+ util_strlcpy(slink, udev_get_dev_path(udevice->udev), sizeof(slink));
+ util_strlcat(slink, "/", sizeof(slink));
+ util_strlcat(slink, name, sizeof(slink));
count = udev_db_get_devices_by_name(udevice->udev, name, &name_list);
info(udevice->udev, "found %i devices with name '%s'\n", count, name);
info(udevice->udev, "'%s' is our device node, database inconsistent, skip link update\n", udevice->name);
} else if (target[0] == '\0' || udevice->link_priority >= priority) {
priority = udevice->link_priority;
- strlcpy(target, udevice->name, sizeof(target));
+ util_strlcpy(target, udevice->name, sizeof(target));
}
continue;
}
udevice_db->dev->devpath, udevice_db->link_priority, priority);
if (target[0] == '\0' || udevice_db->link_priority > priority) {
priority = udevice_db->link_priority;
- strlcpy(target, udevice_db->name, sizeof(target));
+ util_strlcpy(target, udevice_db->name, sizeof(target));
}
}
}
}
/* create symlink to the target with the highest priority */
- strlcpy(node, udev_get_dev_path(udevice->udev), sizeof(node));
- strlcat(node, "/", sizeof(node));
- strlcat(node, target, sizeof(node));
+ util_strlcpy(node, udev_get_dev_path(udevice->udev), sizeof(node));
+ util_strlcat(node, "/", sizeof(node));
+ util_strlcat(node, target, sizeof(node));
info(udevice->udev, "'%s' with target '%s' has the highest priority %i, create it\n", name, target, priority);
if (!udevice->test_run) {
create_path(udevice->udev, slink);
void udev_node_update_symlinks(struct udevice *udevice, struct udevice *udevice_old)
{
struct name_entry *name_loop;
- char symlinks[PATH_SIZE] = "";
+ char symlinks[UTIL_PATH_SIZE] = "";
list_for_each_entry(name_loop, &udevice->symlink_list, node) {
info(udevice->udev, "update symlink '%s' of '%s'\n", name_loop->name, udevice->dev->devpath);
update_link(udevice, name_loop->name);
- strlcat(symlinks, udev_get_dev_path(udevice->udev), sizeof(symlinks));
- strlcat(symlinks, "/", sizeof(symlinks));
- strlcat(symlinks, name_loop->name, sizeof(symlinks));
- strlcat(symlinks, " ", sizeof(symlinks));
+ util_strlcat(symlinks, udev_get_dev_path(udevice->udev), sizeof(symlinks));
+ util_strlcat(symlinks, "/", sizeof(symlinks));
+ util_strlcat(symlinks, name_loop->name, sizeof(symlinks));
+ util_strlcat(symlinks, " ", sizeof(symlinks));
}
/* export symlinks to environment */
- remove_trailing_chars(symlinks, ' ');
+ util_remove_trailing_chars(symlinks, ' ');
if (symlinks[0] != '\0')
setenv("DEVLINKS", symlinks, 1);
int udev_node_add(struct udevice *udevice)
{
- char filename[PATH_SIZE];
+ char filename[UTIL_PATH_SIZE];
uid_t uid;
gid_t gid;
int i;
int retval = 0;
- strlcpy(filename, udev_get_dev_path(udevice->udev), sizeof(filename));
- strlcat(filename, "/", sizeof(filename));
- strlcat(filename, udevice->name, sizeof(filename));
+ util_strlcpy(filename, udev_get_dev_path(udevice->udev), sizeof(filename));
+ util_strlcat(filename, "/", sizeof(filename));
+ util_strlcat(filename, udevice->name, sizeof(filename));
create_path(udevice->udev, filename);
if (strcmp(udevice->owner, "root") == 0)
/* create all_partitions if requested */
if (udevice->partitions) {
- char partitionname[PATH_SIZE];
+ char partitionname[UTIL_PATH_SIZE];
char *attr;
int range;
int udev_node_remove(struct udevice *udevice)
{
- char filename[PATH_SIZE];
- char partitionname[PATH_SIZE];
+ char filename[UTIL_PATH_SIZE];
+ char partitionname[UTIL_PATH_SIZE];
struct stat stats;
int retval = 0;
int num;
- strlcpy(filename, udev_get_dev_path(udevice->udev), sizeof(filename));
- strlcat(filename, "/", sizeof(filename));
- strlcat(filename, udevice->name, sizeof(filename));
+ util_strlcpy(filename, udev_get_dev_path(udevice->udev), sizeof(filename));
+ util_strlcat(filename, "/", sizeof(filename));
+ util_strlcat(filename, udevice->name, sizeof(filename));
if (stat(filename, &stats) != 0) {
info(udevice->udev, "device node '%s' not found\n", filename);
return 0;