diff options
Diffstat (limited to 'modules/pam_userdb/pam_userdb.c')
| -rw-r--r-- | modules/pam_userdb/pam_userdb.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/modules/pam_userdb/pam_userdb.c b/modules/pam_userdb/pam_userdb.c index de8b5b1e..ff040e6f 100644 --- a/modules/pam_userdb/pam_userdb.c +++ b/modules/pam_userdb/pam_userdb.c @@ -222,12 +222,15 @@ user_lookup (pam_handle_t *pamh, const char *database, const char *cryptmode, } else { cryptpw = crypt (pass, data.dptr); - if (cryptpw) { - compare = strncasecmp (data.dptr, cryptpw, data.dsize); + if (cryptpw && strlen(cryptpw) == (size_t)data.dsize) { + compare = memcmp(data.dptr, cryptpw, data.dsize); } else { compare = -2; if (ctrl & PAM_DEBUG_ARG) { - pam_syslog(pamh, LOG_INFO, "crypt() returned NULL"); + if (cryptpw) + pam_syslog(pamh, LOG_INFO, "lengths of computed and stored hashes differ"); + else + pam_syslog(pamh, LOG_INFO, "crypt() returned NULL"); } }; |