From: Jeremy Allison <jra@samba.org>
Date: Tue, 21 Aug 2012 21:08:24 +0000 (-0700)
Subject: Fix bug #9098 - winbind does not refresh kerberos tickets.
X-Git-Tag: samba-3.5.18~9
X-Git-Url: http://git.samba.org/?p=samba.git;a=commitdiff_plain;h=805992fc98a2cacf9d5e5d02f49dc0866f5a2083

Fix bug #9098 - winbind does not refresh kerberos tickets.

Based on work from Ian Gordon <ian.gordon@strath.ac.uk>.
(cherry picked from commit 51c5f84d2496b5117a2fe6afc061594cf33b5fc1)
---

diff --git a/source3/winbindd/winbindd_cred_cache.c b/source3/winbindd/winbindd_cred_cache.c
index e63e73221e2..ba4a7b27da0 100644
--- a/source3/winbindd/winbindd_cred_cache.c
+++ b/source3/winbindd/winbindd_cred_cache.c
@@ -484,6 +484,7 @@ NTSTATUS add_ccache_to_list(const char *princ_name,
 			    const char *ccname,
 			    const char *service,
 			    const char *username,
+			    const char *pass,
 			    const char *realm,
 			    uid_t uid,
 			    time_t create_time,
@@ -586,7 +587,20 @@ NTSTATUS add_ccache_to_list(const char *princ_name,
 
 			DEBUG(10,("add_ccache_to_list: added krb5_ticket handler\n"));
 		}
-		 
+
+		/*
+		 * If we're set up to renew our krb5 tickets, we must
+		 * cache the credentials in memory for the ticket
+		 * renew function (or increase the reference count
+		 * if we're logging in more than once). Fix inspired
+		 * by patch from Ian Gordon <ian.gordon@strath.ac.uk>
+		 * for bugid #9098.
+		 */
+
+		ntret = winbindd_add_memory_creds(username, uid, pass);
+		DEBUG(10, ("winbindd_add_memory_creds returned: %s\n",
+			nt_errstr(ntret)));
+
 		return NT_STATUS_OK;
 	}
 
@@ -669,6 +683,20 @@ NTSTATUS add_ccache_to_list(const char *princ_name,
 		"added ccache [%s] for user [%s] to the list\n",
 		ccname, username));
 
+	if (entry->event) {
+		/*
+		 * If we're set up to renew our krb5 tickets, we must
+		 * cache the credentials in memory for the ticket
+		 * renew function. Fix inspired by patch from
+		 * Ian Gordon <ian.gordon@strath.ac.uk> for
+		 * bugid #9098.
+		 */
+
+		ntret = winbindd_add_memory_creds(username, uid, pass);
+		DEBUG(10, ("winbindd_add_memory_creds returned: %s\n",
+			nt_errstr(ntret)));
+	}
+
 	return NT_STATUS_OK;
 
  no_mem:
diff --git a/source3/winbindd/winbindd_pam.c b/source3/winbindd/winbindd_pam.c
index c8910d6a437..4cc181a7eaf 100644
--- a/source3/winbindd/winbindd_pam.c
+++ b/source3/winbindd/winbindd_pam.c
@@ -656,6 +656,7 @@ static NTSTATUS winbindd_raw_kerberos_login(struct winbindd_domain *domain,
 					    cc,
 					    service,
 					    state->request->data.auth.user,
+					    state->request->data.auth.pass,
 					    realm,
 					    uid,
 					    time(NULL),
@@ -1034,6 +1035,7 @@ static NTSTATUS winbindd_dual_pam_auth_cached(struct winbindd_domain *domain,
 							    cc,
 							    service,
 							    state->request->data.auth.user,
+							    state->request->data.auth.pass,
 							    domain->alt_name,
 							    uid,
 							    time(NULL),
@@ -2456,6 +2458,13 @@ enum winbindd_result winbindd_dual_pam_logoff(struct winbindd_domain *domain,
 		goto process_result;
 	}
 
+	/*
+	 * Remove any mlock'ed memory creds in the child
+	 * we might be using for krb5 ticket renewal.
+	 */
+
+	winbindd_delete_memory_creds(state->request->data.logoff.user);
+
 #else
 	result = NT_STATUS_NOT_SUPPORTED;
 #endif
diff --git a/source3/winbindd/winbindd_proto.h b/source3/winbindd/winbindd_proto.h
index 62fbc8ec76e..b7b64de4e71 100644
--- a/source3/winbindd/winbindd_proto.h
+++ b/source3/winbindd/winbindd_proto.h
@@ -216,6 +216,7 @@ NTSTATUS add_ccache_to_list(const char *princ_name,
 			    const char *ccname,
 			    const char *service,
 			    const char *username,
+			    const char *password,
 			    const char *realm,
 			    uid_t uid,
 			    time_t create_time,