#include "udev.h"
#include "sd-daemon.h"
#include "cgroup-util.h"
+#include "dev-setup.h"
static bool debug;
int ifindex;
};
-static struct event *node_to_event(struct udev_list_node *node)
+static inline struct event *node_to_event(struct udev_list_node *node)
{
- char *event;
-
- event = (char *)node;
- event -= offsetof(struct event, node);
- return (struct event *)event;
+ return container_of(node, struct event, node);
}
static void event_queue_cleanup(struct udev *udev, enum event_state type);
int exitcode;
};
-static struct worker *node_to_worker(struct udev_list_node *node)
+static inline struct worker *node_to_worker(struct udev_list_node *node)
{
- char *worker;
-
- worker = (char *)node;
- worker -= offsetof(struct worker, node);
- return (struct worker *)worker;
+ return container_of(node, struct worker, node);
}
static void event_queue_delete(struct event *event, bool export)
else
continue;
- util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev), "/", devname, NULL);
- util_create_path_selinux(udev, filename);
- udev_selinux_setfscreatecon(udev, filename, mode);
+ util_strscpyl(filename, sizeof(filename), "/dev/", devname, NULL);
+ mkdir_parents_label(filename, 0755);
+ label_context_set(filename, mode);
log_debug("mknod '%s' %c%u:%u\n", filename, type, maj, min);
if (mknod(filename, mode, makedev(maj, min)) < 0 && errno == EEXIST)
utimensat(AT_FDCWD, filename, NULL, 0);
- udev_selinux_resetfscreatecon(udev);
+ label_context_clear();
}
fclose(f);
}
-/* needed for standalone udev operations */
-static void static_dev_create_links(struct udev *udev)
-{
- DIR *dir;
- struct stdlinks {
- const char *link;
- const char *target;
- };
- static const struct stdlinks stdlinks[] = {
- { "core", "/proc/kcore" },
- { "fd", "/proc/self/fd" },
- { "stdin", "/proc/self/fd/0" },
- { "stdout", "/proc/self/fd/1" },
- { "stderr", "/proc/self/fd/2" },
- };
- unsigned int i;
-
- dir = opendir(udev_get_dev_path(udev));
- if (dir == NULL)
- return;
-
- for (i = 0; i < ELEMENTSOF(stdlinks); i++) {
- struct stat sb;
-
- if (stat(stdlinks[i].target, &sb) == 0) {
- udev_selinux_setfscreateconat(udev, dirfd(dir), stdlinks[i].link, S_IFLNK);
- if (symlinkat(stdlinks[i].target, dirfd(dir), stdlinks[i].link) < 0 && errno == EEXIST)
- utimensat(dirfd(dir), stdlinks[i].link, NULL, AT_SYMLINK_NOFOLLOW);
- udev_selinux_resetfscreatecon(udev);
- }
- }
-
- closedir(dir);
-}
-
static int mem_size_mb(void)
{
FILE *f;
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);
+ mkdir_parents("/run/udev/data", 0755);
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;
/* 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);
}
/* 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);
/* 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);
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;
log_parse_environment();
udev_set_log_fn(udev, udev_main_log);
log_debug("version %s\n", VERSION);
- udev_selinux_init(udev);
+ label_init("/dev");
for (;;) {
int option;
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);
+ dev_setup();
static_dev_create_from_modules(udev);
/* before opening new files, make sure std{in,out,err} fds are in a sane state */
setsid();
- fd = open("/proc/self/oom_score_adj", O_RDWR);
- if (fd < 0) {
- /* Fallback to old interface */
- fd = open("/proc/self/oom_adj", O_RDWR);
- if (fd < 0) {
- log_error("error disabling OOM: %m\n");
- } else {
- /* OOM_DISABLE == -17 */
- write(fd, "-17", 3);
- close(fd);
- }
- } else {
+ fd = open("/proc/self/oom_score_adj", O_RDWR|O_CLOEXEC);
+ if (fd >= 0) {
write(fd, "-1000", 5);
close(fd);
}
/* set value depending on the amount of RAM */
if (memsize > 0)
- children_max = 128 + (memsize / 8);
+ children_max = 28 + (memsize / 8);
else
- children_max = 128;
+ children_max = 28;
}
log_debug("set children_max to %u\n", children_max);
/* 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;
udev_queue_export_unref(udev_queue_export);
udev_ctrl_connection_unref(ctrl_conn);
udev_ctrl_unref(udev_ctrl);
- udev_selinux_exit(udev);
+ label_finish();
udev_unref(udev);
log_close();
return rc;
~ianmdlvl / elogind.git / blobdiff