- (stevesk) Print PAM return value in PAM log messages to aid

    with debugging.

1 files changed, 32 insertions, 25 deletions

diff --git a/auth-pam.c b/auth-pam.c
index 5914cab17..57a558d87 100644
--- a/auth-pam.c
+++ b/auth-pam.c
@@ -29,7 +29,7 @@
 #include "xmalloc.h"
 #include "servconf.h"
 
-RCSID("$Id: auth-pam.c,v 1.13 2000/09/16 05:09:27 djm Exp $");
+RCSID("$Id: auth-pam.c,v 1.14 2000/10/07 11:16:55 stevesk Exp $");
 
 #define NEW_AUTHTOK_MSG \
         "Warning: Your password has expired, please change it now"
@@ -132,20 +132,20 @@ void pam_cleanup_proc(void *context)
         {
                 pam_retval = pam_close_session(pamh, 0);
                 if (pam_retval != PAM_SUCCESS) {
-                        log("Cannot close PAM session: %.200s", 
-                                PAM_STRERROR(pamh, pam_retval));
+                        log("Cannot close PAM session[%d]: %.200s", 
+                                pam_retval, PAM_STRERROR(pamh, pam_retval));
                 }
 
                 pam_retval = pam_setcred(pamh, PAM_DELETE_CRED);
                 if (pam_retval != PAM_SUCCESS) {
-                        debug("Cannot delete credentials: %.200s", 
-                                PAM_STRERROR(pamh, pam_retval));
+                        debug("Cannot delete credentials[%d]: %.200s", 
+                                pam_retval, PAM_STRERROR(pamh, pam_retval));
                 }
 
                 pam_retval = pam_end(pamh, pam_retval);
                 if (pam_retval != PAM_SUCCESS) {
-                        log("Cannot release PAM authentication: %.200s", 
-                                PAM_STRERROR(pamh, pam_retval));
+                        log("Cannot release PAM authentication[%d]: %.200s", 
+                                pam_retval, PAM_STRERROR(pamh, pam_retval));
                 }
         }
 }
@@ -173,8 +173,8 @@ int auth_pam_password(struct passwd *pw, const char *password)
                         pw->pw_name);
                 return 1;
         } else {
-                debug("PAM Password authentication for \"%.100s\" failed: %s", 
-                        pw->pw_name, PAM_STRERROR(pamh, pam_retval));
+                debug("PAM Password authentication for \"%.100s\" failed[%d]: %s", 
+                        pw->pw_name, pam_retval, PAM_STRERROR(pamh, pam_retval));
                 return 0;
         }
 }
@@ -188,16 +188,16 @@ int do_pam_account(char *username, char *remote_user)
         pam_retval = pam_set_item(pamh, PAM_RHOST, 
                 get_canonical_hostname());
         if (pam_retval != PAM_SUCCESS) {
-                fatal("PAM set rhost failed: %.200s", 
-                        PAM_STRERROR(pamh, pam_retval));
+                fatal("PAM set rhost failed[%d]: %.200s", 
+                        pam_retval, PAM_STRERROR(pamh, pam_retval));
         }
 
         if (remote_user != NULL) {
                 debug("PAM setting ruser to \"%.200s\"", remote_user);
                 pam_retval = pam_set_item(pamh, PAM_RUSER, remote_user);
                 if (pam_retval != PAM_SUCCESS) {
-                        fatal("PAM set ruser failed: %.200s", 
-                                PAM_STRERROR(pamh, pam_retval));
+                        fatal("PAM set ruser failed[%d]: %.200s", 
+                                pam_retval, PAM_STRERROR(pamh, pam_retval));
                 }
         }
 
@@ -212,8 +212,8 @@ int do_pam_account(char *username, char *remote_user)
                         password_change_required = 1;
                         break;
                 default:
-                        log("PAM rejected by account configuration: %.200s", 
-                                PAM_STRERROR(pamh, pam_retval));
+                        log("PAM rejected by account configuration[%d]: %.200s", 
+                                pam_retval, PAM_STRERROR(pamh, pam_retval));
                         return(0);
         }
         
@@ -229,15 +229,15 @@ void do_pam_session(char *username, const char *ttyname)
                 debug("PAM setting tty to \"%.200s\"", ttyname);
                 pam_retval = pam_set_item(pamh, PAM_TTY, ttyname);
                 if (pam_retval != PAM_SUCCESS) {
-                        fatal("PAM set tty failed: %.200s", 
-                                PAM_STRERROR(pamh, pam_retval));
+                        fatal("PAM set tty failed[%d]: %.200s", 
+                                pam_retval, PAM_STRERROR(pamh, pam_retval));
                 }
         }
 
         pam_retval = pam_open_session(pamh, 0);
         if (pam_retval != PAM_SUCCESS) {
-                fatal("PAM session setup failed: %.200s", 
-                        PAM_STRERROR(pamh, pam_retval));
+                fatal("PAM session setup failed[%d]: %.200s", 
+                        pam_retval, PAM_STRERROR(pamh, pam_retval));
         }
 }
 
@@ -249,8 +249,8 @@ void do_pam_setcred()
         debug("PAM establishing creds");
         pam_retval = pam_setcred(pamh, PAM_ESTABLISH_CRED);
         if (pam_retval != PAM_SUCCESS) {
-                fatal("PAM setcred failed: %.200s", 
-                        PAM_STRERROR(pamh, pam_retval));
+                fatal("PAM setcred failed[%d]: %.200s", 
+                        pam_setcred, PAM_STRERROR(pamh, pam_retval));
         }
 }
 
@@ -266,8 +266,15 @@ void do_pam_chauthtok()
 
         if (password_change_required) {
                 pamstate = OTHER;
+                /*
+                 * XXX: should we really loop forever?
+                 */
                 do {
                         pam_retval = pam_chauthtok(pamh, PAM_CHANGE_EXPIRED_AUTHTOK);
+                        if (pam_retval != PAM_SUCCESS) {
+                                log("PAM pam_chauthtok failed[%d]: %.200s", 
+                                        pam_retval, PAM_STRERROR(pamh, pam_retval));
+                        }
                 } while (pam_retval != PAM_SUCCESS);
         }
 }
@@ -289,8 +296,8 @@ void start_pam(struct passwd *pw)
         pam_retval = pam_start(SSHD_PAM_SERVICE, pw->pw_name, &conv, &pamh);
 
         if (pam_retval != PAM_SUCCESS) {
-                fatal("PAM initialisation failed: %.200s", 
-                        PAM_STRERROR(pamh, pam_retval));
+                fatal("PAM initialisation failed[%d]: %.200s", 
+                        pam_retval, PAM_STRERROR(pamh, pam_retval));
         }
 
 #ifdef PAM_TTY_KLUDGE
@@ -303,8 +310,8 @@ void start_pam(struct passwd *pw)
          */
         pam_retval = pam_set_item(pamh, PAM_TTY, "ssh");
         if (pam_retval != PAM_SUCCESS) {
-                fatal("PAM set tty failed: %.200s", 
-                        PAM_STRERROR(pamh, pam_retval));
+                fatal("PAM set tty failed[%d]: %.200s", 
+                        pam_retval, PAM_STRERROR(pamh, pam_retval));
         }
 #endif /* PAM_TTY_KLUDGE */