diff options
Diffstat (limited to 'mount/mount.c')
| -rw-r--r-- | mount/mount.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/mount/mount.c b/mount/mount.c index e8cb54992..23d70cb14 100644 --- a/mount/mount.c +++ b/mount/mount.c @@ -2205,12 +2205,18 @@ main(int argc, char *argv[]) { if (((uid_t)0 == ruid) && (ruid == euid)) { restricted = 0; } - } - if (restricted && - (types || options || readwrite || nomtab || mount_all || - fake || mounttype || (argc + specseen) != 1)) { - die (EX_USAGE, _("mount: only root can do that")); + if (restricted && + (types || options || readwrite || nomtab || mount_all || + fake || mounttype || (argc + specseen) != 1)) { + + if (ruid == 0 && euid != 0) + /* user is root, but setuid to non-root */ + die (EX_USAGE, _("mount: only root can do that " + "(effective UID is %d)"), euid); + + die (EX_USAGE, _("mount: only root can do that")); + } } atexit(unlock_mtab); |