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Diffstat (limited to 'udev-add.c')
-rw-r--r--udev-add.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/udev-add.c b/udev-add.c
index 3a72c544b8..19196bec54 100644
--- a/udev-add.c
+++ b/udev-add.c
@@ -32,6 +32,7 @@
#include <grp.h>
#ifndef __KLIBC__
#include <pwd.h>
+#include <utmp.h>
#endif
#include "libsysfs/sysfs/libsysfs.h"
@@ -44,6 +45,8 @@
#include "udevdb.h"
#include "klibc_fixups.h"
+#define LOCAL_USER "$local"
+
/*
* Right now the major/minor of a device is stored in a file called
* "dev" in sysfs.
@@ -132,6 +135,37 @@ static int make_node(char *filename, int major, int minor, unsigned int mode, ui
return 0;
}
+/* get the local logged in user */
+static void set_to_local_user(char *user)
+{
+ struct utmp *u;
+ time_t recent = 0;
+
+ strnfieldcpy(user, default_owner_str, OWNER_SIZE);
+ setutent();
+ while (1) {
+ u = getutent();
+ if (u == NULL)
+ break;
+
+ /* is this a user login ? */
+ if (u->ut_type != USER_PROCESS)
+ continue;
+
+ /* is this a local login ? */
+ if (strcmp(u->ut_host, ""))
+ continue;
+
+ if (u->ut_time > recent) {
+ recent = u->ut_time;
+ strfieldcpy(user, u->ut_user);
+ dbg("local user is '%s'", user);
+ break;
+ }
+ }
+ endutent();
+}
+
static int create_node(struct udevice *dev, int fake)
{
struct stat stats;
@@ -175,6 +209,9 @@ static int create_node(struct udevice *dev, int fake)
if (endptr[0] == '\0')
uid = (uid_t) id;
else {
+ if (strncmp(dev->owner, LOCAL_USER, sizeof(LOCAL_USER)) == 0)
+ set_to_local_user(dev->owner);
+
struct passwd *pw = getpwnam(dev->owner);
if (pw == NULL)
dbg("specified user unknown '%s'", dev->owner);