diff options
| -rw-r--r-- | modules/pam_nologin/pam_nologin.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/modules/pam_nologin/pam_nologin.c b/modules/pam_nologin/pam_nologin.c index d7f83e0c..90ae6d04 100644 --- a/modules/pam_nologin/pam_nologin.c +++ b/modules/pam_nologin/pam_nologin.c @@ -98,6 +98,16 @@ static int perform_check(pam_handle_t *pamh, struct opt_s *opts) goto clean_up_fd; } + /* + * on some OSes (e.g. Hurd) reading a directory succeeds, + * instead of failing with EISDIR; hence, work as if + * pam_modutil_read later on would fail + */ + if (S_ISDIR(st.st_mode)) { + retval = PAM_SYSTEM_ERR; + goto clean_up_fd; + } + /* Don't print anything if the message is empty, will only disturb the output with empty lines */ if (st.st_size > 0) { |