diff options
Diffstat (limited to 'modules')
| -rw-r--r-- | modules/pam_localuser/pam_localuser.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/modules/pam_localuser/pam_localuser.c b/modules/pam_localuser/pam_localuser.c index 6f4f8aea..4e05350e 100644 --- a/modules/pam_localuser/pam_localuser.c +++ b/modules/pam_localuser/pam_localuser.c @@ -106,6 +106,15 @@ pam_sm_authenticate (pam_handle_t *pamh, int flags UNUSED, return PAM_SYSTEM_ERR; } + if (strchr(user, ':') != NULL) { + /* + * "root:x" is not a local user name even if the passwd file + * contains a line starting with "root:x:". + */ + fclose(fp); + return PAM_PERM_DENIED; + } + /* scan the file, using fgets() instead of fgetpwent() because i * don't want to mess with applications which call fgetpwent() */ ret = PAM_PERM_DENIED; |