***/
#include <errno.h>
-#include <sys/stat.h>
#include <stdlib.h>
-#include <string.h>
-#include <assert.h>
#include <unistd.h>
-#include "dev-setup.h"
-#include "log.h"
-#include "macro.h"
#include "util.h"
#include "label.h"
+#include "path-util.h"
+#include "dev-setup.h"
-static int symlink_and_label(const char *old_path, const char *new_path) {
- int r;
-
- assert(old_path);
- assert(new_path);
-
- r = mac_selinux_context_set(new_path, S_IFLNK);
- if (r < 0)
- return r;
-
- if (symlink(old_path, new_path) < 0)
- r = -errno;
-
- mac_selinux_context_clear();
-
- return r;
-}
-
-int dev_setup(const char *prefix) {
- const char *j, *k;
-
+int dev_setup(const char *prefix, uid_t uid, gid_t gid) {
static const char symlinks[] =
"-/proc/kcore\0" "/dev/core\0"
"/proc/self/fd\0" "/dev/fd\0"
"/proc/self/fd/1\0" "/dev/stdout\0"
"/proc/self/fd/2\0" "/dev/stderr\0";
+ const char *j, *k;
+ int r;
+
NULSTR_FOREACH_PAIR(j, k, symlinks) {
+ _cleanup_free_ char *link_name = NULL;
+ const char *n;
+
if (j[0] == '-') {
j++;
}
if (prefix) {
- _cleanup_free_ char *link_name = NULL;
-
- link_name = strjoin(prefix, "/", k, NULL);
+ link_name = prefix_root(prefix, k);
if (!link_name)
return -ENOMEM;
- symlink_and_label(j, link_name);
+ n = link_name;
} else
- symlink_and_label(j, k);
+ n = k;
+
+ r = symlink_label(j, n);
+ if (r < 0)
+ log_debug_errno(r, "Failed to symlink %s to %s: %m", j, n);
+
+ if (uid != UID_INVALID || gid != GID_INVALID)
+ if (lchown(n, uid, gid) < 0)
+ log_debug_errno(errno, "Failed to chown %s: %m", n);
}
return 0;