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authorKay Sievers <kay@vrfy.org>2012-04-16 17:21:22 +0200
committerKay Sievers <kay@vrfy.org>2012-04-16 19:20:57 +0200
commit6ada823a9a0979ea145fd70add1007c21caa45c0 (patch)
tree3eff7319e77b9cdffda502cb373a1eae6c6488bb /src
parent8fef0ff25c9fd7e5bb99d66f43c6357e4996a3cc (diff)
udev: remove configuration options for /dev, /sys, /run directories
Diffstat (limited to 'src')
-rw-r--r--src/libudev/libudev-device-private.c11
-rw-r--r--src/libudev/libudev-device.c69
-rw-r--r--src/libudev/libudev-enumerate.c25
-rw-r--r--src/libudev/libudev-private.h6
-rw-r--r--src/libudev/libudev-queue-private.c16
-rw-r--r--src/libudev/libudev-queue.c8
-rw-r--r--src/libudev/libudev-selinux-private.c2
-rw-r--r--src/libudev/libudev.c119
-rw-r--r--src/test/test-libudev.c10
-rw-r--r--src/test/test-udev.c2
-rw-r--r--src/udev/accelerometer/accelerometer.c7
-rw-r--r--src/udev/collect/collect.c2
-rw-r--r--src/udev/udev-builtin-firmware.c2
-rw-r--r--src/udev/udev-ctrl.c3
-rw-r--r--src/udev/udev-event.c30
-rw-r--r--src/udev/udev-node.c11
-rw-r--r--src/udev/udev-rules.c72
-rw-r--r--src/udev/udev-watch.c46
-rw-r--r--src/udev/udev.h1
-rw-r--r--src/udev/udevadm-info.c62
-rw-r--r--src/udev/udevadm-settle.c4
-rw-r--r--src/udev/udevadm-test-builtin.c4
-rw-r--r--src/udev/udevadm-test.c4
-rw-r--r--src/udev/udevadm-trigger.c4
-rw-r--r--src/udev/udevadm.c2
-rw-r--r--src/udev/udevd.c55
26 files changed, 196 insertions, 381 deletions
diff --git a/src/libudev/libudev-device-private.c b/src/libudev/libudev-device-private.c
index 91fd06c025..c58cde2ff6 100644
--- a/src/libudev/libudev-device-private.c
+++ b/src/libudev/libudev-device-private.c
@@ -31,7 +31,7 @@ static void udev_device_tag(struct udev_device *dev, const char *tag, bool add)
id = udev_device_get_id_filename(dev);
if (id == NULL)
return;
- util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/tags/", tag, "/", id, NULL);
+ util_strscpyl(filename, sizeof(filename), TEST_PREFIX "/run/udev/tags/", tag, "/", id, NULL);
if (add) {
int fd;
@@ -108,7 +108,7 @@ int udev_device_update_db(struct udev_device *udev_device)
return -1;
has_info = device_has_info(udev_device);
- util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/data/", id, NULL);
+ util_strscpyl(filename, sizeof(filename), TEST_PREFIX "/run/udev/data/", id, NULL);
/* do not store anything for otherwise empty devices */
if (!has_info &&
@@ -138,10 +138,8 @@ int udev_device_update_db(struct udev_device *udev_device)
struct udev_list_entry *list_entry;
if (major(udev_device_get_devnum(udev_device)) > 0) {
- size_t devlen = strlen(udev_get_dev_path(udev))+1;
-
udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(udev_device))
- fprintf(f, "S:%s\n", &udev_list_entry_get_name(list_entry)[devlen]);
+ fprintf(f, "S:%s\n", udev_list_entry_get_name(list_entry) + strlen(TEST_PREFIX "/dev/"));
if (udev_device_get_devlink_priority(udev_device) != 0)
fprintf(f, "L:%i\n", udev_device_get_devlink_priority(udev_device));
if (udev_device_get_watch_handle(udev_device) >= 0)
@@ -173,13 +171,12 @@ int udev_device_update_db(struct udev_device *udev_device)
int udev_device_delete_db(struct udev_device *udev_device)
{
const char *id;
- struct udev *udev = udev_device_get_udev(udev_device);
char filename[UTIL_PATH_SIZE];
id = udev_device_get_id_filename(udev_device);
if (id == NULL)
return -1;
- util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/data/", id, NULL);
+ util_strscpyl(filename, sizeof(filename), TEST_PREFIX "/run/udev/data/", id, NULL);
unlink(filename);
return 0;
}
diff --git a/src/libudev/libudev-device.c b/src/libudev/libudev-device.c
index 257d6355fe..212163bb92 100644
--- a/src/libudev/libudev-device.c
+++ b/src/libudev/libudev-device.c
@@ -356,7 +356,7 @@ void udev_device_add_property_from_string_parse(struct udev_device *udev_device,
if (strncmp(property, "DEVPATH=", 8) == 0) {
char path[UTIL_PATH_SIZE];
- util_strscpyl(path, sizeof(path), udev_get_sys_path(udev_device->udev), &property[8], NULL);
+ util_strscpyl(path, sizeof(path), TEST_PREFIX "/sys", &property[8], NULL);
udev_device_set_syspath(udev_device, path);
} else if (strncmp(property, "SUBSYSTEM=", 10) == 0) {
udev_device_set_subsystem(udev_device, &property[10]);
@@ -473,7 +473,7 @@ int udev_device_read_db(struct udev_device *udev_device, const char *dbfile)
id = udev_device_get_id_filename(udev_device);
if (id == NULL)
return -1;
- util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev_device->udev), "/data/", id, NULL);
+ util_strscpyl(filename, sizeof(filename), TEST_PREFIX "/run/udev/data/", id, NULL);
dbfile = filename;
}
@@ -496,7 +496,7 @@ int udev_device_read_db(struct udev_device *udev_device, const char *dbfile)
val = &line[2];
switch(line[0]) {
case 'S':
- util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev_device->udev), "/", val, NULL);
+ util_strscpyl(filename, sizeof(filename), TEST_PREFIX "/dev/", val, NULL);
udev_device_add_devlink(udev_device, filename, 0);
break;
case 'L':
@@ -624,7 +624,6 @@ struct udev_device *udev_device_new(struct udev *udev)
**/
_public_ struct udev_device *udev_device_new_from_syspath(struct udev *udev, const char *syspath)
{
- size_t len;
const char *subdir;
char path[UTIL_PATH_SIZE];
char *pos;
@@ -637,14 +636,13 @@ _public_ struct udev_device *udev_device_new_from_syspath(struct udev *udev, con
return NULL;
/* path starts in sys */
- len = strlen(udev_get_sys_path(udev));
- if (strncmp(syspath, udev_get_sys_path(udev), len) != 0) {
+ if (strncmp(syspath, TEST_PREFIX "/sys", strlen(TEST_PREFIX "/sys")) != 0) {
dbg(udev, "not in sys :%s\n", syspath);
return NULL;
}
/* path is not a root directory */
- subdir = &syspath[len+1];
+ subdir = syspath + strlen(TEST_PREFIX "/sys");
pos = strrchr(subdir, '/');
if (pos == NULL || pos[1] == '\0' || pos < &subdir[2])
return NULL;
@@ -653,7 +651,7 @@ _public_ struct udev_device *udev_device_new_from_syspath(struct udev *udev, con
util_strscpy(path, sizeof(path), syspath);
util_resolve_sys_link(udev, path, sizeof(path));
- if (strncmp(&path[len], "/devices/", 9) == 0) {
+ if (strncmp(path + strlen(TEST_PREFIX "/sys"), "/devices/", 9) == 0) {
char file[UTIL_PATH_SIZE];
/* all "devices" require a "uevent" file */
@@ -705,8 +703,8 @@ _public_ struct udev_device *udev_device_new_from_devnum(struct udev *udev, char
return NULL;
/* use /sys/dev/{block,char}/<maj>:<min> link */
- snprintf(path, sizeof(path), "%s/dev/%s/%u:%u",
- udev_get_sys_path(udev), type_str, major(devnum), minor(devnum));
+ snprintf(path, sizeof(path), TEST_PREFIX "/sys/dev/%s/%u:%u",
+ type_str, major(devnum), minor(devnum));
return udev_device_new_from_syspath(udev, path);
}
@@ -782,32 +780,27 @@ struct udev_device *udev_device_new_from_id_filename(struct udev *udev, char *id
**/
_public_ struct udev_device *udev_device_new_from_subsystem_sysname(struct udev *udev, const char *subsystem, const char *sysname)
{
- char path_full[UTIL_PATH_SIZE];
- char *path;
- size_t l;
+ char path[UTIL_PATH_SIZE];
struct stat statbuf;
- path = path_full;
- l = util_strpcpyl(&path, sizeof(path_full), udev_get_sys_path(udev), NULL);
-
if (strcmp(subsystem, "subsystem") == 0) {
- util_strscpyl(path, l, "/subsystem/", sysname, NULL);
- if (stat(path_full, &statbuf) == 0)
+ util_strscpyl(path, sizeof(path), TEST_PREFIX "/sys/subsystem/", sysname, NULL);
+ if (stat(path, &statbuf) == 0)
goto found;
- util_strscpyl(path, l, "/bus/", sysname, NULL);
- if (stat(path_full, &statbuf) == 0)
+ util_strscpyl(path, sizeof(path), TEST_PREFIX "/sys/bus/", sysname, NULL);
+ if (stat(path, &statbuf) == 0)
goto found;
- util_strscpyl(path, l, "/class/", sysname, NULL);
- if (stat(path_full, &statbuf) == 0)
+ util_strscpyl(path, sizeof(path), TEST_PREFIX "/sys/class/", sysname, NULL);
+ if (stat(path, &statbuf) == 0)
goto found;
goto out;
}
if (strcmp(subsystem, "module") == 0) {
- util_strscpyl(path, l, "/module/", sysname, NULL);
- if (stat(path_full, &statbuf) == 0)
+ util_strscpyl(path, sizeof(path), TEST_PREFIX "/sys/module/", sysname, NULL);
+ if (stat(path, &statbuf) == 0)
goto found;
goto out;
}
@@ -822,32 +815,32 @@ _public_ struct udev_device *udev_device_new_from_subsystem_sysname(struct udev
driver[0] = '\0';
driver = &driver[1];
- util_strscpyl(path, l, "/subsystem/", subsys, "/drivers/", driver, NULL);
- if (stat(path_full, &statbuf) == 0)
+ util_strscpyl(path, sizeof(path), TEST_PREFIX "/sys/subsystem/", subsys, "/drivers/", driver, NULL);
+ if (stat(path, &statbuf) == 0)
goto found;
- util_strscpyl(path, l, "/bus/", subsys, "/drivers/", driver, NULL);
- if (stat(path_full, &statbuf) == 0)
+ util_strscpyl(path, sizeof(path), TEST_PREFIX "/sys/bus/", subsys, "/drivers/", driver, NULL);
+ if (stat(path, &statbuf) == 0)
goto found;
}
goto out;
}
- util_strscpyl(path, l, "/subsystem/", subsystem, "/devices/", sysname, NULL);
- if (stat(path_full, &statbuf) == 0)
+ util_strscpyl(path, sizeof(path), TEST_PREFIX "/sys/subsystem/", subsystem, "/devices/", sysname, NULL);
+ if (stat(path, &statbuf) == 0)
goto found;
- util_strscpyl(path, l, "/bus/", subsystem, "/devices/", sysname, NULL);
- if (stat(path_full, &statbuf) == 0)
+ util_strscpyl(path, sizeof(path), TEST_PREFIX "/sys/bus/", subsystem, "/devices/", sysname, NULL);
+ if (stat(path, &statbuf) == 0)
goto found;
- util_strscpyl(path, l, "/class/", subsystem, "/", sysname, NULL);
- if (stat(path_full, &statbuf) == 0)
+ util_strscpyl(path, sizeof(path), TEST_PREFIX "/sys/class/", subsystem, "/", sysname, NULL);
+ if (stat(path, &statbuf) == 0)
goto found;
out:
return NULL;
found:
- return udev_device_new_from_syspath(udev, path_full);
+ return udev_device_new_from_syspath(udev, path);
}
/**
@@ -893,7 +886,7 @@ static struct udev_device *device_new_from_parent(struct udev_device *udev_devic
const char *subdir;
util_strscpy(path, sizeof(path), udev_device->syspath);
- subdir = &path[strlen(udev_get_sys_path(udev_device->udev))+1];
+ subdir = path + strlen(TEST_PREFIX "/sys/");
for (;;) {
char *pos;
@@ -1438,7 +1431,7 @@ int udev_device_set_syspath(struct udev_device *udev_device, const char *syspath
udev_device->syspath = strdup(syspath);
if (udev_device->syspath == NULL)
return -ENOMEM;
- udev_device->devpath = &udev_device->syspath[strlen(udev_get_sys_path(udev_device->udev))];
+ udev_device->devpath = udev_device->syspath + strlen(TEST_PREFIX "/sys");
udev_device_add_property(udev_device, "DEVPATH", udev_device->devpath);
pos = strrchr(udev_device->syspath, '/');
@@ -1471,7 +1464,7 @@ int udev_device_set_devnode(struct udev_device *udev_device, const char *devnode
{
free(udev_device->devnode);
if (devnode[0] != '/') {
- if (asprintf(&udev_device->devnode, "%s/%s", udev_get_dev_path(udev_device->udev), devnode) < 0)
+ if (asprintf(&udev_device->devnode, TEST_PREFIX "/dev/%s", devnode) < 0)
udev_device->devnode = NULL;
} else {
udev_device->devnode = strdup(devnode);
diff --git a/src/libudev/libudev-enumerate.c b/src/libudev/libudev-enumerate.c
index 7b9a732ce6..ed4f62c66c 100644
--- a/src/libudev/libudev-enumerate.c
+++ b/src/libudev/libudev-enumerate.c
@@ -204,12 +204,10 @@ static bool devices_delay_end(struct udev *udev, const char *syspath)
"/block/dm-",
NULL
};
- size_t len;
int i;
- len = strlen(udev_get_sys_path(udev));
for (i = 0; delay_device_list[i] != NULL; i++) {
- if (strstr(&syspath[len], delay_device_list[i]) != NULL)
+ if (strstr(syspath + strlen("/sys"), delay_device_list[i]) != NULL)
return true;
}
return false;
@@ -624,7 +622,6 @@ static bool match_sysname(struct udev_enumerate *udev_enumerate, const char *sys
static int scan_dir_and_add_devices(struct udev_enumerate *udev_enumerate,
const char *basedir, const char *subdir1, const char *subdir2)
{
- struct udev *udev = udev_enumerate_get_udev(udev_enumerate);
char path[UTIL_PATH_SIZE];
size_t l;
char *s;
@@ -632,7 +629,7 @@ static int scan_dir_and_add_devices(struct udev_enumerate *udev_enumerate,
struct dirent *dent;
s = path;
- l = util_strpcpyl(&s, sizeof(path), udev_get_sys_path(udev), "/", basedir, NULL);
+ l = util_strpcpyl(&s, sizeof(path), "/sys/", basedir, NULL);
if (subdir1 != NULL)
l = util_strpcpyl(&s, l, "/", subdir1, NULL);
if (subdir2 != NULL)
@@ -707,13 +704,11 @@ static bool match_subsystem(struct udev_enumerate *udev_enumerate, const char *s
static int scan_dir(struct udev_enumerate *udev_enumerate, const char *basedir, const char *subdir, const char *subsystem)
{
- struct udev *udev = udev_enumerate_get_udev(udev_enumerate);
-
char path[UTIL_PATH_SIZE];
DIR *dir;
struct dirent *dent;
- util_strscpyl(path, sizeof(path), udev_get_sys_path(udev), "/", basedir, NULL);
+ util_strscpyl(path, sizeof(path), "/sys/", basedir, NULL);
dir = opendir(path);
if (dir == NULL)
return -1;
@@ -756,7 +751,6 @@ _public_ int udev_enumerate_add_syspath(struct udev_enumerate *udev_enumerate, c
static int scan_devices_tags(struct udev_enumerate *udev_enumerate)
{
- struct udev *udev = udev_enumerate_get_udev(udev_enumerate);
struct udev_list_entry *list_entry;
/* scan only tagged devices, use tags reverse-index, instead of searching all devices in /sys */
@@ -765,8 +759,7 @@ static int scan_devices_tags(struct udev_enumerate *udev_enumerate)
struct dirent *dent;
char path[UTIL_PATH_SIZE];
- util_strscpyl(path, sizeof(path), udev_get_run_path(udev), "/tags/",
- udev_list_entry_get_name(list_entry), NULL);
+ util_strscpyl(path, sizeof(path), "/run/udev/tags/", udev_list_entry_get_name(list_entry), NULL);
dir = opendir(path);
if (dir == NULL)
continue;
@@ -861,12 +854,9 @@ static int scan_devices_children(struct udev_enumerate *enumerate)
static int scan_devices_all(struct udev_enumerate *udev_enumerate)
{
- struct udev *udev = udev_enumerate_get_udev(udev_enumerate);
- char base[UTIL_PATH_SIZE];
struct stat statbuf;
- util_strscpyl(base, sizeof(base), udev_get_sys_path(udev), "/subsystem", NULL);
- if (stat(base, &statbuf) == 0) {
+ if (stat("/sys/subsystem", &statbuf) == 0) {
/* we have /subsystem/, forget all the old stuff */
scan_dir(udev_enumerate, "subsystem", "devices", NULL);
} else {
@@ -907,8 +897,6 @@ _public_ int udev_enumerate_scan_devices(struct udev_enumerate *udev_enumerate)
**/
_public_ int udev_enumerate_scan_subsystems(struct udev_enumerate *udev_enumerate)
{
- struct udev *udev = udev_enumerate_get_udev(udev_enumerate);
- char base[UTIL_PATH_SIZE];
struct stat statbuf;
const char *subsysdir;
@@ -919,8 +907,7 @@ _public_ int udev_enumerate_scan_subsystems(struct udev_enumerate *udev_enumerat
if (match_subsystem(udev_enumerate, "module"))
scan_dir_and_add_devices(udev_enumerate, "module", NULL, NULL);
- util_strscpyl(base, sizeof(base), udev_get_sys_path(udev), "/subsystem", NULL);
- if (stat(base, &statbuf) == 0)
+ if (stat("/sys/subsystem", &statbuf) == 0)
subsysdir = "subsystem";
else
subsysdir = "bus";
diff --git a/src/libudev/libudev-private.h b/src/libudev/libudev-private.h
index 91f92264dd..986c40c91e 100644
--- a/src/libudev/libudev-private.h
+++ b/src/libudev/libudev-private.h
@@ -19,9 +19,13 @@
#include "macro.h"
#include "libudev.h"
-#define READ_END 0
+#define READ_END 0
#define WRITE_END 1
+#ifndef TEST_PREFIX
+#define TEST_PREFIX ""
+#endif
+
/* avoid (sometimes expensive) calculations of parameters for debug output */
#define udev_log_cond(udev, prio, arg...) \
do { \
diff --git a/src/libudev/libudev-queue-private.c b/src/libudev/libudev-queue-private.c
index ca6d229a2c..f653e6db4c 100644
--- a/src/libudev/libudev-queue-private.c
+++ b/src/libudev/libudev-queue-private.c
@@ -101,14 +101,10 @@ struct udev_queue_export *udev_queue_export_unref(struct udev_queue_export *udev
void udev_queue_export_cleanup(struct udev_queue_export *udev_queue_export)
{
- char filename[UTIL_PATH_SIZE];
-
if (udev_queue_export == NULL)
return;
- util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev_queue_export->udev), "/queue.tmp", NULL);
- unlink(filename);
- util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev_queue_export->udev), "/queue.bin", NULL);
- unlink(filename);
+ unlink("/run/udev/queue.tmp");
+ unlink("/run/udev/queue.bin");
}
static int skip_to(FILE *file, long offset)
@@ -201,8 +197,6 @@ static int rebuild_queue_file(struct udev_queue_export *udev_queue_export)
{
unsigned long long int seqnum;
struct queue_devpaths *devpaths = NULL;
- char filename[UTIL_PATH_SIZE];
- char filename_tmp[UTIL_PATH_SIZE];
FILE *new_queue_file = NULL;
unsigned int i;
@@ -218,8 +212,7 @@ static int rebuild_queue_file(struct udev_queue_export *udev_queue_export)
}
/* create new queue file */
- util_strscpyl(filename_tmp, sizeof(filename_tmp), udev_get_run_path(udev_queue_export->udev), "/queue.tmp", NULL);
- new_queue_file = fopen(filename_tmp, "w+");
+ new_queue_file = fopen("/run/udev/queue.tmp", "w+");
if (new_queue_file == NULL)
goto error;
seqnum = udev_queue_export->seqnum_max;
@@ -252,8 +245,7 @@ static int rebuild_queue_file(struct udev_queue_export *udev_queue_export)
goto error;
/* rename the new file on top of the old one */
- util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev_queue_export->udev), "/queue.bin", NULL);
- if (rename(filename_tmp, filename) != 0)
+ if (rename("/run/udev/queue.tmp", "/run/udev/queue.bin") != 0)
goto error;
if (udev_queue_export->queue_file != NULL)
diff --git a/src/libudev/libudev-queue.c b/src/libudev/libudev-queue.c
index 0e0df8597d..ca23002307 100644
--- a/src/libudev/libudev-queue.c
+++ b/src/libudev/libudev-queue.c
@@ -121,14 +121,12 @@ _public_ struct udev *udev_queue_get_udev(struct udev_queue *udev_queue)
unsigned long long int udev_get_kernel_seqnum(struct udev *udev)
{
- char filename[UTIL_PATH_SIZE];
unsigned long long int seqnum;
int fd;
char buf[32];
ssize_t len;
- util_strscpyl(filename, sizeof(filename), udev_get_sys_path(udev), "/kernel/uevent_seqnum", NULL);
- fd = open(filename, O_RDONLY|O_CLOEXEC);
+ fd = open("/sys/kernel/uevent_seqnum", O_RDONLY|O_CLOEXEC);
if (fd < 0)
return 0;
len = read(fd, buf, sizeof(buf));
@@ -210,7 +208,7 @@ static FILE *open_queue_file(struct udev_queue *udev_queue, unsigned long long i
char filename[UTIL_PATH_SIZE];
FILE *queue_file;
- util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev_queue->udev), "/queue.bin", NULL);
+ util_strscpyl(filename, sizeof(filename), "/run/udev/queue.bin", NULL);
queue_file = fopen(filename, "re");
if (queue_file == NULL)
return NULL;
@@ -437,7 +435,7 @@ _public_ struct udev_list_entry *udev_queue_get_queued_list_entry(struct udev_qu
snprintf(seqnum_str, sizeof(seqnum_str), "%llu", seqnum);
s = syspath;
- l = util_strpcpyl(&s, sizeof(syspath), udev_get_sys_path(udev_queue->udev), NULL);
+ l = util_strpcpy(&s, sizeof(syspath), "/sys");
len = udev_queue_read_devpath(queue_file, s, l);
if (len < 0)
break;
diff --git a/src/libudev/libudev-selinux-private.c b/src/libudev/libudev-selinux-private.c
index d68097f991..e9e65ad41d 100644
--- a/src/libudev/libudev-selinux-private.c
+++ b/src/libudev/libudev-selinux-private.c
@@ -29,7 +29,7 @@ void udev_selinux_init(struct udev *udev)
dbg(udev, "selinux=%i\n", selinux_enabled);
if (!selinux_enabled)
return;
- matchpathcon_init_prefix(NULL, udev_get_dev_path(udev));
+ matchpathcon_init_prefix(NULL, TEST_PREFIX "/dev");
if (getfscreatecon(&selinux_prev_scontext) < 0) {
err(udev, "getfscreatecon failed\n");
selinux_prev_scontext = NULL;
diff --git a/src/libudev/libudev.c b/src/libudev/libudev.c
index 74b53cbf1b..212c5fdd75 100644
--- a/src/libudev/libudev.c
+++ b/src/libudev/libudev.c
@@ -41,12 +41,6 @@ struct udev {
int priority, const char *file, int line, const char *fn,
const char *format, va_list args);
void *userdata;
- char *sys_path;
- char *dev_path;
- char *rules_path[4];
- unsigned long long rules_path_ts[4];
- int rules_path_count;
- char *run_path;
struct udev_list properties_list;
int log_priority;
};
@@ -100,14 +94,6 @@ _public_ void udev_set_userdata(struct udev *udev, void *userdata)
udev->userdata = userdata;
}
-static char *set_value(char **s, const char *v)
-{
- free(*s);
- *s = strdup(v);
- util_remove_trailing_chars(*s, '/');
- return *s;
-}
-
/**
* udev_new:
*
@@ -123,7 +109,6 @@ _public_ struct udev *udev_new(void)
{
struct udev *udev;
const char *env;
- char *config_file = NULL;
FILE *f;
udev = calloc(1, sizeof(struct udev));
@@ -134,21 +119,7 @@ _public_ struct udev *udev_new(void)
udev->log_priority = LOG_ERR;
udev_list_init(udev, &udev->properties_list, true);
- /* custom config file */
- env = getenv("UDEV_CONFIG_FILE");
- if (env != NULL) {
- if (set_value(&config_file, env) == NULL)
- goto err;
- udev_add_property(udev, "UDEV_CONFIG_FILE", config_file);
- }
-
- /* default config file */
- if (config_file == NULL)
- config_file = strdup(SYSCONFDIR "/udev/udev.conf");
- if (config_file == NULL)
- goto err;
-
- f = fopen(config_file, "re");
+ f = fopen(SYSCONFDIR "/udev/udev.conf", "re");
if (f != NULL) {
char line[UTIL_LINE_SIZE];
int line_nr = 0;
@@ -172,7 +143,7 @@ _public_ struct udev *udev_new(void)
/* split key/value */
val = strchr(key, '=');
if (val == NULL) {
- err(udev, "missing <key>=<value> in '%s'[%i], skip line\n", config_file, line_nr);
+ err(udev, "missing <key>=<value> in " SYSCONFDIR "/udev/udev.conf[%i]; skip line\n", line_nr);
continue;
}
val[0] = '\0';
@@ -204,7 +175,7 @@ _public_ struct udev *udev_new(void)
/* unquote */
if (val[0] == '"' || val[0] == '\'') {
if (val[len-1] != val[0]) {
- err(udev, "inconsistent quoting in '%s'[%i], skip line\n", config_file, line_nr);
+ err(udev, "inconsistent quoting in " SYSCONFDIR "/udev/udev.conf[%i]; skip line\n", line_nr);
continue;
}
val[len-1] = '\0';
@@ -215,23 +186,6 @@ _public_ struct udev *udev_new(void)
udev_set_log_priority(udev, util_log_priority(val));
continue;
}
- if (strcmp(key, "udev_root") == 0) {
- set_value(&udev->dev_path, val);
- continue;
- }
- if (strcmp(key, "udev_run") == 0) {
- set_value(&udev->run_path, val);
- continue;
- }
- if (strcmp(key, "udev_sys") == 0) {
- set_value(&udev->sys_path, val);
- continue;
- }
- if (strcmp(key, "udev_rules") == 0) {
- set_value(&udev->rules_path[0], val);
- udev->rules_path_count = 1;
- continue;
- }
}
fclose(f);
}
@@ -241,44 +195,7 @@ _public_ struct udev *udev_new(void)
if (env != NULL)
udev_set_log_priority(udev, util_log_priority(env));
- /* set defaults */
- if (udev->dev_path == NULL)
- if (set_value(&udev->dev_path, "/dev") == NULL)
- goto err;
-
- if (udev->sys_path == NULL)
- if (set_value(&udev->sys_path, "/sys") == NULL)
- goto err;
-
- if (udev->run_path == NULL)
- if (set_value(&udev->run_path, "/run/udev") == NULL)
- goto err;
-
- if (udev->rules_path[0] == NULL) {
- /* /usr/lib/udev -- system rules */
- udev->rules_path[0] = strdup(UDEVLIBEXECDIR "/rules.d");
- if (!udev->rules_path[0])
- goto err;
-
- /* /run/udev -- runtime rules */
- if (asprintf(&udev->rules_path[1], "%s/rules.d", udev->run_path) < 0)
- goto err;
-
- /* /etc/udev -- local administration rules */
- udev->rules_path[2] = strdup(SYSCONFDIR "/udev/rules.d");
- if (!udev->rules_path[2])
- goto err;
-
- udev->rules_path_count = 3;
- }
-
- free(config_file);
return udev;
-err:
- free(config_file);
- err(udev, "context creation failed\n");
- udev_unref(udev);
- return NULL;
}
/**
@@ -313,12 +230,6 @@ _public_ void udev_unref(struct udev *udev)
if (udev->refcount > 0)
return;
udev_list_cleanup(&udev->properties_list);
- free(udev->dev_path);
- free(udev->sys_path);
- free(udev->rules_path[0]);
- free(udev->rules_path[1]);
- free(udev->rules_path[2]);
- free(udev->run_path);
free(udev);
}
@@ -372,21 +283,11 @@ _public_ void udev_set_log_priority(struct udev *udev, int priority)
udev_add_property(udev, "UDEV_LOG", num);
}
-int udev_get_rules_path(struct udev *udev, char **path[], unsigned long long *stamp_usec[])
-{
- *path = udev->rules_path;
- if (stamp_usec)
- *stamp_usec = udev->rules_path_ts;
- return udev->rules_path_count;
-}
-
/**
* udev_get_sys_path:
* @udev: udev library context
*
- * Retrieve the sysfs mount point. The default is "/sys". For
- * testing purposes, it can be overridden with udev_sys=
- * in the udev configuration file.
+ * Returns always "/sys"; deprecated, will be removed in a future version.
*
* Returns: the sys mount point
**/
@@ -394,16 +295,14 @@ _public_ const char *udev_get_sys_path(struct udev *udev)
{
if (udev == NULL)
return NULL;
- return udev->sys_path;
+ return "/sys";
}
/**
* udev_get_dev_path:
* @udev: udev library context
*
- * Retrieve the device directory path. The default value is "/dev",
- * the actual value may be overridden in the udev configuration
- * file.
+ * Returns always "/dev"; deprecated, will be removed in a future version.
*
* Returns: the device directory path
**/
@@ -411,14 +310,14 @@ _public_ const char *udev_get_dev_path(struct udev *udev)
{
if (udev == NULL)
return NULL;
- return udev->dev_path;
+ return "/dev";
}
/**
* udev_get_run_path:
* @udev: udev library context
*
- * Retrieve the udev runtime directory path. The default is "/run/udev".
+ * Returns always "/run/udev"; deprecated, will be removed in a future version.
*
* Returns: the runtime directory path
**/
@@ -426,7 +325,7 @@ _public_ const char *udev_get_run_path(struct udev *udev)
{
if (udev == NULL)
return NULL;
- return udev->run_path;
+ return "/run/udev";
}
struct udev_list_entry *udev_add_property(struct udev *udev, const char *key, const char *value)
diff --git a/src/test/test-libudev.c b/src/test/test-libudev.c
index 6161fb3e31..f5c7ae2c30 100644
--- a/src/test/test-libudev.c
+++ b/src/test/test-libudev.c
@@ -434,7 +434,6 @@ int main(int argc, char *argv[])
const char *syspath = "/devices/virtual/mem/null";
const char *subsystem = NULL;
char path[1024];
- const char *str;
udev = udev_new();
printf("context: %p\n", udev);
@@ -474,14 +473,9 @@ int main(int argc, char *argv[])
}
}
- str = udev_get_sys_path(udev);
- printf("sys_path: '%s'\n", str);
- str = udev_get_dev_path(udev);
- printf("dev_path: '%s'\n", str);
-
/* add sys path if needed */
- if (strncmp(syspath, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0) {
- snprintf(path, sizeof(path), "%s%s", udev_get_sys_path(udev), syspath);
+ if (strncmp(syspath, "/sys", strlen("/sys")) != 0) {
+ snprintf(path, sizeof(path), "/sys/%s", syspath);
syspath = path;
}
diff --git a/src/test/test-udev.c b/src/test/test-udev.c
index 150cb16a31..b843e5f648 100644
--- a/src/test/test-udev.c
+++ b/src/test/test-udev.c
@@ -68,7 +68,7 @@ int main(int argc, char *argv[])
rules = udev_rules_new(udev, 1);
- util_strscpyl(syspath, sizeof(syspath), udev_get_sys_path(udev), devpath, NULL);
+ util_strscpyl(syspath, sizeof(syspath), TEST_PREFIX "/sys", devpath, NULL);
dev = udev_device_new_from_syspath(udev, syspath);
if (dev == NULL) {
log_debug("unknown device '%s'\n", devpath);
diff --git a/src/udev/accelerometer/accelerometer.c b/src/udev/accelerometer/accelerometer.c
index 4c5e47d0b7..08be363370 100644
--- a/src/udev/accelerometer/accelerometer.c
+++ b/src/udev/accelerometer/accelerometer.c
@@ -294,7 +294,7 @@ int main (int argc, char** argv)
}
/* get the device */
- snprintf(devpath, sizeof(devpath), "%s/%s", udev_get_sys_path(udev), argv[optind]);
+ snprintf(devpath, sizeof(devpath), "/sys/%s", argv[optind]);
dev = udev_device_new_from_syspath(udev, devpath);
if (dev == NULL) {
fprintf(stderr, "unable to access '%s'\n", devpath);
@@ -307,9 +307,8 @@ int main (int argc, char** argv)
return 0;
}
- /* Get the children devices and find the devnode
- * FIXME: use udev_enumerate_add_match_children() instead
- * when it's available */
+ /* Get the children devices and find the devnode */
+ /* FIXME: use udev_enumerate_add_match_parent() instead */
devnode = NULL;
enumerate = udev_enumerate_new(udev);
udev_enumerate_add_match_property(enumerate, "ID_PATH", id_path);
diff --git a/src/udev/collect/collect.c b/src/udev/collect/collect.c
index 076fe479e2..882564a5f5 100644
--- a/src/udev/collect/collect.c
+++ b/src/udev/collect/collect.c
@@ -405,7 +405,7 @@ int main(int argc, char **argv)
if (debug)
fprintf(stderr, "Using checkpoint '%s'\n", checkpoint);
- util_strscpyl(tmpdir, sizeof(tmpdir), udev_get_run_path(udev), "/collect", NULL);
+ util_strscpyl(tmpdir, sizeof(tmpdir), "/run/udev/collect", NULL);
fd = prepare(tmpdir, checkpoint);
if (fd < 0) {
ret = 3;
diff --git a/src/udev/udev-builtin-firmware.c b/src/udev/udev-builtin-firmware.c
index 5ba712c89d..bd2716fdc8 100644
--- a/src/udev/udev-builtin-firmware.c
+++ b/src/udev/udev-builtin-firmware.c
@@ -112,7 +112,7 @@ static int builtin_firmware(struct udev_device *dev, int argc, char *argv[], boo
}
util_path_encode(firmware, fwencpath, sizeof(fwencpath));
- util_strscpyl(misspath, sizeof(misspath), udev_get_run_path(udev), "/firmware-missing/", fwencpath, NULL);
+ util_strscpyl(misspath, sizeof(misspath), "/run/udev/firmware-missing/", fwencpath, NULL);
util_strscpyl(loadpath, sizeof(loadpath), udev_device_get_syspath(dev), "/loading", NULL);
if (fwfile == NULL) {
diff --git a/src/udev/udev-ctrl.c b/src/udev/udev-ctrl.c
index 71c330f6f9..fcb0cd48a6 100644
--- a/src/udev/udev-ctrl.c
+++ b/src/udev/udev-ctrl.c
@@ -93,8 +93,7 @@ struct udev_ctrl *udev_ctrl_new_from_fd(struct udev *udev, int fd)
}
uctrl->saddr.sun_family = AF_LOCAL;
- util_strscpyl(uctrl->saddr.sun_path, sizeof(uctrl->saddr.sun_path),
- udev_get_run_path(udev), "/control", NULL);
+ util_strscpy(uctrl->saddr.sun_path, sizeof(uctrl->saddr.sun_path), "/run/udev/control");
uctrl->addrlen = offsetof(struct sockaddr_un, sun_path) + strlen(uctrl->saddr.sun_path);
return uctrl;
}
diff --git a/src/udev/udev-event.c b/src/udev/udev-event.c
index eab1bae27f..d330062ebf 100644
--- a/src/udev/udev-event.c
+++ b/src/udev/udev-event.c
@@ -318,46 +318,38 @@ subst:
if (dev_parent == NULL)
break;
devnode = udev_device_get_devnode(dev_parent);
- if (devnode != NULL) {
- size_t devlen = strlen(udev_get_dev_path(event->udev))+1;
-
- l = util_strpcpy(&s, l, &devnode[devlen]);
- }
+ if (devnode != NULL)
+ l = util_strpcpy(&s, l, devnode + strlen(TEST_PREFIX "/dev/"));
break;
}
case SUBST_DEVNODE:
if (udev_device_get_devnode(dev) != NULL)
l = util_strpcpy(&s, l, udev_device_get_devnode(dev));
break;
- case SUBST_NAME: {
- if (event->name != NULL) {
+ case SUBST_NAME:
+ if (event->name != NULL)
l = util_strpcpy(&s, l, event->name);
- } else if (udev_device_get_devnode(dev) != NULL) {
- size_t devlen = strlen(udev_get_dev_path(event->udev))+1;
-
- l = util_strpcpy(&s, l, &udev_device_get_devnode(dev)[devlen]);
- } else {
+ else if (udev_device_get_devnode(dev) != NULL)
+ l = util_strpcpy(&s, l, udev_device_get_devnode(dev) + strlen(TEST_PREFIX "/dev/"));
+ else
l = util_strpcpy(&s, l, udev_device_get_sysname(dev));
- }
break;
- }
case SUBST_LINKS: {
- size_t devlen = strlen(udev_get_dev_path(event->udev))+1;
struct udev_list_entry *list_entry;
list_entry = udev_device_get_devlinks_list_entry(dev);
if (list_entry == NULL)
break;
- l = util_strpcpy(&s, l, &udev_list_entry_get_name(list_entry)[devlen]);
+ l = util_strpcpy(&s, l, udev_list_entry_get_name(list_entry) + strlen(TEST_PREFIX "/dev/"));
udev_list_entry_foreach(list_entry, udev_list_entry_get_next(list_entry))
- l = util_strpcpyl(&s, l, " ", &udev_list_entry_get_name(list_entry)[devlen], NULL);
+ l = util_strpcpyl(&s, l, " ", udev_list_entry_get_name(list_entry) + strlen(TEST_PREFIX "/dev/"), NULL);
break;
}
case SUBST_ROOT:
- l = util_strpcpy(&s, l, udev_get_dev_path(event->udev));
+ l = util_strpcpy(&s, l, TEST_PREFIX "/dev");
break;
case SUBST_SYS:
- l = util_strpcpy(&s, l, udev_get_sys_path(event->udev));
+ l = util_strpcpy(&s, l, TEST_PREFIX "/sys");
break;
case SUBST_ENV:
if (attr == NULL) {
diff --git a/src/udev/udev-node.c b/src/udev/udev-node.c
index 8e1318872a..26a43e9623 100644
--- a/src/udev/udev-node.c
+++ b/src/udev/udev-node.c
@@ -203,8 +203,8 @@ static void link_update(struct udev_device *dev, const char *slink, bool add)
const char *target;
char buf[UTIL_PATH_SIZE];
- util_path_encode(&slink[strlen(udev_get_dev_path(udev))+1], name_enc, sizeof(name_enc));
- util_strscpyl(dirname, sizeof(dirname), udev_get_run_path(udev), "/links/", name_enc, NULL);
+ util_path_encode(slink + strlen(TEST_PREFIX "/dev"), name_enc, sizeof(name_enc));
+ util_strscpyl(dirname, sizeof(dirname), TEST_PREFIX "/run/udev/links/", name_enc, NULL);
util_strscpyl(filename, sizeof(filename), dirname, "/", udev_device_get_id_filename(dev), NULL);
if (!add && unlink(filename) == 0)
@@ -329,8 +329,7 @@ void udev_node_add(struct udev_device *dev, mode_t mode, uid_t uid, gid_t gid)
return;
/* always add /dev/{block,char}/$major:$minor */
- snprintf(filename, sizeof(filename), "%s/%s/%u:%u",
- udev_get_dev_path(udev),
+ snprintf(filename, sizeof(filename), TEST_PREFIX "/dev/%s/%u:%u",
strcmp(udev_device_get_subsystem(dev), "block") == 0 ? "block" : "char",
major(udev_device_get_devnum(dev)), minor(udev_device_get_devnum(dev)));
node_symlink(udev, udev_device_get_devnode(dev), filename);
@@ -347,7 +346,6 @@ void udev_node_add(struct udev_device *dev, mode_t mode, uid_t uid, gid_t gid)
void udev_node_remove(struct udev_device *dev)
{
- struct udev *udev = udev_device_get_udev(dev);
struct udev_list_entry *list_entry;
char filename[UTIL_PATH_SIZE];
@@ -356,8 +354,7 @@ void udev_node_remove(struct udev_device *dev)
link_update(dev, udev_list_entry_get_name(list_entry), 0);
/* remove /dev/{block,char}/$major:$minor */
- snprintf(filename, sizeof(filename), "%s/%s/%u:%u",
- udev_get_dev_path(udev),
+ snprintf(filename, sizeof(filename), TEST_PREFIX "/dev/%s/%u:%u",
strcmp(udev_device_get_subsystem(dev), "block") == 0 ? "block" : "char",
major(udev_device_get_devnum(dev)), minor(udev_device_get_devnum(dev)));
unlink(filename);
diff --git a/src/udev/udev-rules.c b/src/udev/udev-rules.c
index 55d7e30c02..1ec817872d 100644
--- a/src/udev/udev-rules.c
+++ b/src/udev/udev-rules.c
@@ -36,6 +36,13 @@
#define PREALLOC_STRBUF 32 * 1024
#define PREALLOC_TRIE 256
+/* configuration directories with last modification timestamp */
+static const char *rules_dirs[] = {
+ TEST_PREFIX UDEVLIBEXECDIR "/rules.d",
+ TEST_PREFIX "/run/udev/rules.d",
+ TEST_PREFIX SYSCONFDIR "/udev/rules.d",
+};
+
struct uid_gid {
unsigned int name_off;
union {
@@ -58,6 +65,7 @@ struct trie_node {
struct udev_rules {
struct udev *udev;
+ unsigned long long dirs_ts_usec[ELEMENTSOF(rules_dirs)];
int resolve_names;
/* every key in the rules file becomes a token */
@@ -664,7 +672,6 @@ static gid_t add_gid(struct udev_rules *rules, const char *group)
static int import_property_from_string(struct udev_device *dev, char *line)
{
- struct udev *udev = udev_device_get_udev(dev);
char *key;
char *val;
size_t len;
@@ -724,7 +731,7 @@ static int import_property_from_string(struct udev_device *dev, char *line)
log_debug("updating devpath from '%s' to '%s'\n",
udev_device_get_devpath(dev), val);
- util_strscpyl(syspath, sizeof(syspath), udev_get_sys_path(udev), val, NULL);
+ util_strscpyl(syspath, sizeof(syspath), "/sys", val, NULL);
udev_device_set_syspath(dev, syspath);
} else {
struct udev_list_entry *entry;
@@ -807,7 +814,6 @@ static int import_parent_into_properties(struct udev_device *dev, const char *fi
#define WAIT_LOOP_PER_SECOND 50
static int wait_for_file(struct udev_device *dev, const char *file, int timeout)
{
- struct udev *udev = udev_device_get_udev(dev);
char filepath[UTIL_PATH_SIZE];
char devicepath[UTIL_PATH_SIZE];
struct stat stats;
@@ -816,8 +822,7 @@ static int wait_for_file(struct udev_device *dev, const char *file, int timeout)
/* a relative path is a device attribute */
devicepath[0] = '\0';
if (file[0] != '/') {
- util_strscpyl(devicepath, sizeof(devicepath),
- udev_get_sys_path(udev), udev_device_get_devpath(dev), NULL);
+ util_strscpyl(devicepath, sizeof(devicepath), udev_device_get_syspath(dev), NULL);
util_strscpyl(filepath, sizeof(filepath), devicepath, "/", file, NULL);
file = filepath;
}
@@ -1746,7 +1751,7 @@ struct udev_rules *udev_rules_new(struct udev *udev, int resolve_names)
struct udev_list file_list;
struct udev_list_entry *file_loop;
struct token end_token;
- char **s;
+ unsigned int i;
rules = calloc(1, sizeof(struct udev_rules));
if (rules == NULL)
@@ -1786,8 +1791,8 @@ struct udev_rules *udev_rules_new(struct udev *udev, int resolve_names)
memset(rules->trie_nodes, 0x00, sizeof(struct trie_node));
rules->trie_nodes_cur = 1;
- for (udev_get_rules_path(udev, &s, NULL); *s != NULL; s++)
- add_matching_files(udev, &file_list, *s, ".rules");
+ for (i = 0; i < ELEMENTSOF(rules_dirs); i++)
+ add_matching_files(udev, &file_list, rules_dirs[i], ".rules");
/* add all filenames to the string buffer */
udev_list_entry_foreach(file_loop, udev_list_get_entry(&file_list)) {
@@ -1884,6 +1889,33 @@ struct udev_rules *udev_rules_unref(struct udev_rules *rules)
return NULL;
}
+bool udev_rules_check_timestamp(struct udev_rules *rules)
+{
+ unsigned int i;
+ bool changed = false;
+
+ for (i = 0; i < ELEMENTSOF(rules_dirs); i++) {
+ struct stat stats;
+
+ if (stat(rules_dirs[i], &stats) < 0)
+ continue;
+
+ if (rules->dirs_ts_usec[i] == ts_usec(&stats.st_mtim))
+ continue;
+
+ /* first check */
+ if (rules->dirs_ts_usec[i] != 0) {
+ log_debug("reload - timestamp of '%s' changed\n", rules_dirs[i]);
+ changed = true;
+ }
+
+ /* update timestamp */
+ rules->dirs_ts_usec[i] = ts_usec(&stats.st_mtim);
+ }
+
+ return changed;
+}
+
static int match_key(struct udev_rules *rules, struct token *token, const char *val)
{
char *key_value = &rules->buf[token->key.value_off];
@@ -2054,14 +2086,13 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
goto nomatch;
break;
case TK_M_DEVLINK: {
- size_t devlen = strlen(udev_get_dev_path(event->udev))+1;
struct udev_list_entry *list_entry;
bool match = false;
udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(event->dev)) {
const char *devlink;
- devlink = &udev_list_entry_get_name(list_entry)[devlen];
+ devlink = udev_list_entry_get_name(list_entry) + strlen(TEST_PREFIX "/dev/");
if (match_key(rules, cur, devlink) == 0) {
match = true;
break;
@@ -2534,15 +2565,12 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
if (count > 0)
log_debug("%i character(s) replaced\n", count);
}
- if (major(udev_device_get_devnum(event->dev))) {
- size_t devlen = strlen(udev_get_dev_path(event->udev))+1;
-
- if (strcmp(name_str, &udev_device_get_devnode(event->dev)[devlen]) != 0) {
- log_error("NAME=\"%s\" ignored, kernel device nodes "
- "can not be renamed; please fix it in %s:%u\n", name,
- &rules->buf[rule->rule.filename_off], rule->rule.filename_line);
- break;
- }
+ if (major(udev_device_get_devnum(event->dev)) &&
+ (strcmp(name_str, udev_device_get_devnode(event->dev) + strlen(TEST_PREFIX "/dev/")) != 0)) {
+ log_error("NAME=\"%s\" ignored, kernel device nodes "
+ "can not be renamed; please fix it in %s:%u\n", name,
+ &rules->buf[rule->rule.filename_off], rule->rule.filename_line);
+ break;
}
free(event->name);
event->name = strdup(name_str);
@@ -2583,7 +2611,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
next[0] = '\0';
log_debug("LINK '%s' %s:%u\n", pos,
&rules->buf[rule->rule.filename_off], rule->rule.filename_line);
- util_strscpyl(filename, sizeof(filename), udev_get_dev_path(event->udev), "/", pos, NULL);
+ util_strscpyl(filename, sizeof(filename), TEST_PREFIX "/dev/", pos, NULL);
udev_device_add_devlink(event->dev, filename, cur->key.devlink_unique);
while (isspace(next[1]))
next++;
@@ -2593,7 +2621,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
if (pos[0] != '\0') {
log_debug("LINK '%s' %s:%u\n", pos,
&rules->buf[rule->rule.filename_off], rule->rule.filename_line);
- util_strscpyl(filename, sizeof(filename), udev_get_dev_path(event->udev), "/", pos, NULL);
+ util_strscpyl(filename, sizeof(filename), TEST_PREFIX "/dev/", pos, NULL);
udev_device_add_devlink(event->dev, filename, cur->key.devlink_unique);
}
break;
@@ -2703,7 +2731,7 @@ void udev_rules_apply_static_dev_perms(struct udev_rules *rules)
/* we assure, that the permissions tokens are sorted before the static token */
if (mode == 0 && uid == 0 && gid == 0)
goto next;
- util_strscpyl(filename, sizeof(filename), udev_get_dev_path(rules->udev), "/",
+ util_strscpyl(filename, sizeof(filename), TEST_PREFIX "/dev/",
&rules->buf[cur->key.value_off], NULL);
if (stat(filename, &stats) != 0)
goto next;
diff --git a/src/udev/udev-watch.c b/src/udev/udev-watch.c
index 968728eba9..7d5b30bd68 100644
--- a/src/udev/udev-watch.c
+++ b/src/udev/udev-watch.c
@@ -49,41 +49,33 @@ int udev_watch_init(struct udev *udev)
*/
void udev_watch_restore(struct udev *udev)
{
- char filename[UTIL_PATH_SIZE], oldname[UTIL_PATH_SIZE];
-
if (inotify_fd < 0)
return;
- util_strscpyl(oldname, sizeof(oldname), udev_get_run_path(udev), "/watch.old", NULL);
- util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/watch", NULL);
- if (rename(filename, oldname) == 0) {
+ if (rename("/run/udev/watch", "/run/udev/watch.old") == 0) {
DIR *dir;
struct dirent *ent;
- dir = opendir(oldname);
+ dir = opendir("/run/udev/watch.old");
if (dir == NULL) {
- log_error("unable to open old watches dir '%s', old watches will not be restored: %m", oldname);
+ log_error("unable to open old watches dir /run/udev/watch.old; old watches will not be restored: %m");
return;
}
for (ent = readdir(dir); ent != NULL; ent = readdir(dir)) {
char device[UTIL_PATH_SIZE];
- char *s;
- size_t l;
ssize_t len;
struct udev_device *dev;
if (ent->d_name[0] == '.')
continue;
- s = device;
- l = util_strpcpy(&s, sizeof(device), udev_get_sys_path(udev));
- len = readlinkat(dirfd(dir), ent->d_name, s, l);
- if (len <= 0 || len == (ssize_t)l)
+ len = readlinkat(dirfd(dir), ent->d_name, device, sizeof(device));
+ if (len <= 0 || len == (ssize_t)sizeof(device))
goto unlink;
- s[len] = '\0';
+ device[len] = '\0';
- dev = udev_device_new_from_id_filename(udev, s);
+ dev = udev_device_new_from_id_filename(udev, device);
if (dev == NULL)
goto unlink;
@@ -95,10 +87,10 @@ unlink:
}
closedir(dir);
- rmdir(oldname);
+ rmdir("/run/udev/watch.old");
} else if (errno != ENOENT) {
- log_error("unable to move watches dir '%s', old watches will not be restored: %m", filename);
+ log_error("unable to move watches dir /run/udev/watch; old watches will not be restored: %m");
}
}
@@ -118,7 +110,7 @@ void udev_watch_begin(struct udev *udev, struct udev_device *dev)
return;
}
- snprintf(filename, sizeof(filename), "%s/watch/%d", udev_get_run_path(udev), wd);
+ snprintf(filename, sizeof(filename), "/run/udev/watch/%d", wd);
util_create_path(udev, filename);
unlink(filename);
symlink(udev_device_get_id_filename(dev), filename);
@@ -141,7 +133,7 @@ void udev_watch_end(struct udev *udev, struct udev_device *dev)
log_debug("removing watch on '%s'\n", udev_device_get_devnode(dev));
inotify_rm_watch(inotify_fd, wd);
- snprintf(filename, sizeof(filename), "%s/watch/%d", udev_get_run_path(udev), wd);
+ snprintf(filename, sizeof(filename), "/run/udev/watch/%d", wd);
unlink(filename);
udev_device_set_watch_handle(dev, -1);
@@ -150,21 +142,17 @@ void udev_watch_end(struct udev *udev, struct udev_device *dev)
struct udev_device *udev_watch_lookup(struct udev *udev, int wd)
{
char filename[UTIL_PATH_SIZE];
- char majmin[UTIL_PATH_SIZE];
- char *s;
- size_t l;
+ char device[UTIL_NAME_SIZE];
ssize_t len;
if (inotify_fd < 0 || wd < 0)
return NULL;
- snprintf(filename, sizeof(filename), "%s/watch/%d", udev_get_run_path(udev), wd);
- s = majmin;
- l = util_strpcpy(&s, sizeof(majmin), udev_get_sys_path(udev));
- len = readlink(filename, s, l);
- if (len <= 0 || (size_t)len == l)
+ snprintf(filename, sizeof(filename), "/run/udev/watch/%d", wd);
+ len = readlink(filename, device, sizeof(device));
+ if (len <= 0 || (size_t)len == sizeof(device))
return NULL;
- s[len] = '\0';
+ device[len] = '\0';
- return udev_device_new_from_id_filename(udev, s);
+ return udev_device_new_from_id_filename(udev, device);
}
diff --git a/src/udev/udev.h b/src/udev/udev.h
index 681660ecb7..ed5f768ea8 100644
--- a/src/udev/udev.h
+++ b/src/udev/udev.h
@@ -65,6 +65,7 @@ struct udev_watch {
struct udev_rules;
struct udev_rules *udev_rules_new(struct udev *udev, int resolve_names);
struct udev_rules *udev_rules_unref(struct udev_rules *rules);
+bool udev_rules_check_timestamp(struct udev_rules *rules);
int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event, const sigset_t *sigmask);
void udev_rules_apply_static_dev_perms(struct udev_rules *rules);
diff --git a/src/udev/udevadm-info.c b/src/udev/udevadm-info.c
index 39221b7374..3b14139459 100644
--- a/src/udev/udevadm-info.c
+++ b/src/udev/udevadm-info.c
@@ -131,26 +131,22 @@ static int print_device_chain(struct udev_device *device)
static void print_record(struct udev_device *device)
{
- size_t len;
const char *str;
int i;
struct udev_list_entry *list_entry;
printf("P: %s\n", udev_device_get_devpath(device));
- len = strlen(udev_get_dev_path(udev_device_get_udev(device)));
str = udev_device_get_devnode(device);
if (str != NULL)
- printf("N: %s\n", &str[len+1]);
+ printf("N: %s\n", str + strlen("/dev/"));
i = udev_device_get_devlink_priority(device);
if (i != 0)
printf("L: %i\n", i);
- udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(device)) {
- len = strlen(udev_get_dev_path(udev_device_get_udev(device)));
- printf("S: %s\n", &udev_list_entry_get_name(list_entry)[len+1]);
- }
+ udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(device))
+ printf("S: %s\n", udev_list_entry_get_name(list_entry) + strlen("/dev/"));
udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(device))
printf("E: %s=%s\n",
@@ -233,42 +229,35 @@ static void cleanup_dir(DIR *dir, mode_t mask, int depth)
static void cleanup_db(struct udev *udev)
{
- char filename[UTIL_PATH_SIZE];
DIR *dir;
- util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/queue.bin", NULL);
- unlink(filename);
+ unlink("/run/udev/queue.bin");
- util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/data", NULL);
- dir = opendir(filename);
+ dir = opendir("/run/udev/data");
if (dir != NULL) {
cleanup_dir(dir, S_ISVTX, 1);
closedir(dir);
}
- util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/links", NULL);
- dir = opendir(filename);
+ dir = opendir("/run/udev/links");
if (dir != NULL) {
cleanup_dir(dir, 0, 2);
closedir(dir);
}
- util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/tags", NULL);
- dir = opendir(filename);
+ dir = opendir("/run/udev/tags");
if (dir != NULL) {
cleanup_dir(dir, 0, 2);
closedir(dir);
}
- util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/watch", NULL);
- dir = opendir(filename);
+ dir = opendir("/run/udev/watch");
if (dir != NULL) {
cleanup_dir(dir, 0, 1);
closedir(dir);
}
- util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/firmware-missing", NULL);
- dir = opendir(filename);
+ dir = opendir("/run/udev/firmware-missing");
if (dir != NULL) {
cleanup_dir(dir, 0, 1);
closedir(dir);
@@ -335,9 +324,9 @@ static int uinfo(struct udev *udev, int argc, char *argv[])
rc = 2;
goto exit;
}
- /* remove /dev if given */
- if (strncmp(optarg, udev_get_dev_path(udev), strlen(udev_get_dev_path(udev))) != 0)
- util_strscpyl(name, sizeof(name), udev_get_dev_path(udev), "/", optarg, NULL);
+ /* add /dev if not given */
+ if (strncmp(optarg, "/dev", strlen("/dev")) != 0)
+ util_strscpyl(name, sizeof(name), "/dev/", optarg, NULL);
else
util_strscpy(name, sizeof(name), optarg);
util_remove_trailing_chars(name, '/');
@@ -372,8 +361,8 @@ static int uinfo(struct udev *udev, int argc, char *argv[])
goto exit;
}
/* add sys dir if needed */
- if (strncmp(optarg, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0)
- util_strscpyl(path, sizeof(path), udev_get_sys_path(udev), optarg, NULL);
+ if (strncmp(optarg, "/sys", strlen("/sys")) != 0)
+ util_strscpyl(path, sizeof(path), "/sys", optarg, NULL);
else
util_strscpy(path, sizeof(path), optarg);
util_remove_trailing_chars(path, '/');
@@ -408,7 +397,7 @@ static int uinfo(struct udev *udev, int argc, char *argv[])
root = true;
break;
case 'R':
- printf("%s\n", udev_get_run_path(udev));
+ printf("/run/udev\n");
goto exit;
case 'd':
action = ACTION_DEVICE_ID_FILE;
@@ -476,26 +465,19 @@ static int uinfo(struct udev *udev, int argc, char *argv[])
goto exit;
}
- if (root) {
+ if (root)
printf("%s\n", udev_device_get_devnode(device));
- } else {
- size_t len = strlen(udev_get_dev_path(udev));
-
- printf("%s\n", &udev_device_get_devnode(device)[len+1]);
- }
+ else
+ printf("%s\n", udev_device_get_devnode(device) + strlen("/dev/"));
break;
}
case QUERY_SYMLINK:
list_entry = udev_device_get_devlinks_list_entry(device);
while (list_entry != NULL) {
- if (root) {
+ if (root)
printf("%s", udev_list_entry_get_name(list_entry));
- } else {
- size_t len;
-
- len = strlen(udev_get_dev_path(udev_device_get_udev(device)));
- printf("%s", &udev_list_entry_get_name(list_entry)[len+1]);
- }
+ else
+ printf("%s", udev_list_entry_get_name(list_entry) + strlen("/dev/"));
list_entry = udev_list_entry_get_next(list_entry);
if (list_entry != NULL)
printf(" ");
@@ -543,7 +525,7 @@ static int uinfo(struct udev *udev, int argc, char *argv[])
rc = 1;
break;
case ACTION_ROOT:
- printf("%s\n", udev_get_dev_path(udev));
+ printf("/dev\n");
break;
default:
fprintf(stderr, "missing option\n");
diff --git a/src/udev/udevadm-settle.c b/src/udev/udevadm-settle.c
index 19c1e99ccb..e70b351eb9 100644
--- a/src/udev/udevadm-settle.c
+++ b/src/udev/udevadm-settle.c
@@ -152,8 +152,8 @@ static int adm_settle(struct udev *udev, int argc, char *argv[])
if (pfd[0].fd < 0) {
log_error("inotify_init failed: %m\n");
} else {
- if (inotify_add_watch(pfd[0].fd, udev_get_run_path(udev), IN_MOVED_TO) < 0) {
- log_error("watching '%s' failed\n", udev_get_run_path(udev));
+ if (inotify_add_watch(pfd[0].fd, "/run/udev" , IN_MOVED_TO) < 0) {
+ log_error("watching /run/udev failed\n");
close(pfd[0].fd);
pfd[0].fd = -1;
}
diff --git a/src/udev/udevadm-test-builtin.c b/src/udev/udevadm-test-builtin.c
index 94bb24f5f8..e63b1f4eb7 100644
--- a/src/udev/udevadm-test-builtin.c
+++ b/src/udev/udevadm-test-builtin.c
@@ -95,8 +95,8 @@ static int adm_builtin(struct udev *udev, int argc, char *argv[])
}
/* add /sys if needed */
- if (strncmp(syspath, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0)
- util_strscpyl(filename, sizeof(filename), udev_get_sys_path(udev), syspath, NULL);
+ if (strncmp(syspath, "/sys", strlen("/sys")) != 0)
+ util_strscpyl(filename, sizeof(filename), "/sys", syspath, NULL);
else
util_strscpy(filename, sizeof(filename), syspath);
util_remove_trailing_chars(filename, '/');
diff --git a/src/udev/udevadm-test.c b/src/udev/udevadm-test.c
index f963c1b510..0c8a762540 100644
--- a/src/udev/udevadm-test.c
+++ b/src/udev/udevadm-test.c
@@ -112,8 +112,8 @@ static int adm_test(struct udev *udev, int argc, char *argv[])
}
/* add /sys if needed */
- if (strncmp(syspath, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0)
- util_strscpyl(filename, sizeof(filename), udev_get_sys_path(udev), syspath, NULL);
+ if (strncmp(syspath, "/sys", strlen("/sys")) != 0)
+ util_strscpyl(filename, sizeof(filename), "/sys", syspath, NULL);
else
util_strscpy(filename, sizeof(filename), syspath);
util_remove_trailing_chars(filename, '/');
diff --git a/src/udev/udevadm-trigger.c b/src/udev/udevadm-trigger.c
index 99ef12cb85..a910121ecd 100644
--- a/src/udev/udevadm-trigger.c
+++ b/src/udev/udevadm-trigger.c
@@ -164,8 +164,8 @@ static int adm_trigger(struct udev *udev, int argc, char *argv[])
struct udev_device *dev;
/* add sys dir if needed */
- if (strncmp(optarg, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0)
- util_strscpyl(path, sizeof(path), udev_get_sys_path(udev), optarg, NULL);
+ if (strncmp(optarg, "/sys", strlen("/sys")) != 0)
+ util_strscpyl(path, sizeof(path), "/sys", optarg, NULL);
else
util_strscpy(path, sizeof(path), optarg);
util_remove_trailing_chars(path, '/');
diff --git a/src/udev/udevadm.c b/src/udev/udevadm.c
index 0858c37be8..2b4a845d77 100644
--- a/src/udev/udevadm.c
+++ b/src/udev/udevadm.c
@@ -128,8 +128,6 @@ int main(int argc, char *argv[])
}
command = argv[optind];
- log_debug("runtime dir '%s'\n", udev_get_run_path(udev));
-
if (command != NULL)
for (i = 0; i < ELEMENTSOF(udevadm_cmds); i++) {
if (strcmp(udevadm_cmds[i]->name, command) == 0) {
diff --git a/src/udev/udevd.c b/src/udev/udevd.c
index 24f0bf6d1e..d6de2aa222 100644
--- a/src/udev/udevd.c
+++ b/src/udev/udevd.c
@@ -856,7 +856,7 @@ static void static_dev_create_from_modules(struct udev *udev)
else
continue;
- util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev), "/", devname, NULL);
+ util_strscpyl(filename, sizeof(filename), "/dev/", devname, NULL);
util_create_path_selinux(udev, filename);
udev_selinux_setfscreatecon(udev, filename, mode);
log_debug("mknod '%s' %c%u:%u\n", filename, type, maj, min);
@@ -885,7 +885,7 @@ static void static_dev_create_links(struct udev *udev)
};
unsigned int i;
- dir = opendir(udev_get_dev_path(udev));
+ dir = opendir("/dev");
if (dir == NULL)
return;
@@ -934,16 +934,15 @@ static int convert_db(struct udev *udev)
struct udev_list_entry *list_entry;
/* current database */
- util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/data", NULL);
- if (access(filename, F_OK) >= 0)
+ if (access("/run/udev/data", F_OK) >= 0)
return 0;
/* make sure we do not get here again */
- util_create_path(udev, filename);
+ util_create_path(udev, "/run/udev/data");
mkdir(filename, 0755);
/* old database */
- util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev), "/.udev/db", NULL);
+ util_strscpyl(filename, sizeof(filename), "/dev/.udev/db", NULL);
if (access(filename, F_OK) < 0)
return 0;
@@ -976,7 +975,7 @@ static int convert_db(struct udev *udev)
/* find database in old location */
id = udev_device_get_id_filename(device);
- util_strscpyl(from, sizeof(from), udev_get_dev_path(udev), "/.udev/db/", id, NULL);
+ util_strscpyl(from, sizeof(from), "/dev/.udev/db/", id, NULL);
if (lstat(from, &stats) == 0) {
if (!have_db) {
udev_device_read_db(device, from);
@@ -986,9 +985,8 @@ static int convert_db(struct udev *udev)
}
/* find old database with $subsys:$sysname name */
- util_strscpyl(from, sizeof(from), udev_get_dev_path(udev),
- "/.udev/db/", udev_device_get_subsystem(device), ":",
- udev_device_get_sysname(device), NULL);
+ util_strscpyl(from, sizeof(from), "/dev/.udev/db/",
+ udev_device_get_subsystem(device), ":", udev_device_get_sysname(device), NULL);
if (lstat(from, &stats) == 0) {
if (!have_db) {
udev_device_read_db(device, from);
@@ -999,7 +997,7 @@ static int convert_db(struct udev *udev)
/* find old database with the encoded devpath name */
util_path_encode(udev_device_get_devpath(device), devpath, sizeof(devpath));
- util_strscpyl(from, sizeof(from), udev_get_dev_path(udev), "/.udev/db/", devpath, NULL);
+ util_strscpyl(from, sizeof(from), "/dev/.udev/db/", devpath, NULL);
if (lstat(from, &stats) == 0) {
if (!have_db) {
udev_device_read_db(device, from);
@@ -1054,36 +1052,6 @@ static int systemd_fds(struct udev *udev, int *rctrl, int *rnetlink)
return 0;
}
-static bool check_rules_timestamp(struct udev *udev)
-{
- char **p;
- unsigned long long *stamp_usec;
- int i, n;
- bool changed = false;
-
- n = udev_get_rules_path(udev, &p, &stamp_usec);
- for (i = 0; i < n; i++) {
- struct stat stats;
-
- if (stat(p[i], &stats) < 0)
- continue;
-
- if (stamp_usec[i] == ts_usec(&stats.st_mtim))
- continue;
-
- /* first check */
- if (stamp_usec[i] != 0) {
- log_debug("reload - timestamp of '%s' changed\n", p[i]);
- changed = true;
- }
-
- /* update timestamp */
- stamp_usec[i] = ts_usec(&stats.st_mtim);
- }
-
- return changed;
-}
-
int main(int argc, char *argv[])
{
struct udev *udev;
@@ -1216,8 +1184,7 @@ int main(int argc, char *argv[])
chdir("/");
umask(022);
- /* /run/udev */
- mkdir(udev_get_run_path(udev), 0755);
+ mkdir("/run/udev", 0755);
/* create standard links, copy static nodes, create nodes from modules */
static_dev_create_links(udev);
@@ -1557,7 +1524,7 @@ int main(int argc, char *argv[])
/* check for changed config, every 3 seconds at most */
if ((now_usec() - last_usec) > 3 * 1000 * 1000) {
- if (check_rules_timestamp(udev))
+ if (udev_rules_check_timestamp(rules))
reload = true;
if (udev_builtin_validate(udev))
reload = true;