diff options
Diffstat (limited to 'udev-add.c')
| -rw-r--r-- | udev-add.c | 37 |
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); |