r13316: Let the carnage begin....

Sync with trunk as off r13315
(This used to be commit 17e63ac4ed8325c0d44fe62b2442449f3298559f)

1 files changed, 162 insertions, 0 deletions

diff --git a/source3/nsswitch/winbindd_creds.c b/source3/nsswitch/winbindd_creds.c
new file mode 100644
index 00000000000..d37e9019dbd
--- /dev/null
+++ b/source3/nsswitch/winbindd_creds.c
@@ -0,0 +1,162 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   Winbind daemon - cached credentials funcions
+
+   Copyright (C) Guenther Deschner 2005
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+#include "winbindd.h"
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_WINBIND
+
+#define MAX_CACHED_LOGINS 10
+
+NTSTATUS winbindd_get_creds(struct winbindd_domain *domain,
+			    TALLOC_CTX *mem_ctx,
+			    const DOM_SID *sid,
+			    NET_USER_INFO_3 **info3,
+			    const uint8 *cached_nt_pass[NT_HASH_LEN])
+{
+	NET_USER_INFO_3 *info;
+	NTSTATUS status;
+
+	status = wcache_get_creds(domain, mem_ctx, sid, cached_nt_pass);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	info = netsamlogon_cache_get(mem_ctx, sid);
+	if (info == NULL) {
+		return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+	}
+
+	*info3 = info;
+
+	return NT_STATUS_OK;
+}
+
+
+NTSTATUS winbindd_store_creds(struct winbindd_domain *domain,
+			      TALLOC_CTX *mem_ctx, 
+			      const char *user, 
+			      const char *pass, 
+			      NET_USER_INFO_3 *info3,
+			      const DOM_SID *user_sid)
+{
+	NTSTATUS status;
+	uchar nt_pass[NT_HASH_LEN];
+	DOM_SID cred_sid;
+
+	if (info3 != NULL) {
+	
+		DOM_SID sid;
+		sid_copy(&sid, &(info3->dom_sid.sid));
+		sid_append_rid(&sid, info3->user_rid);
+		sid_copy(&cred_sid, &sid);
+		info3->user_flgs |= LOGON_CACHED_ACCOUNT;
+		
+	} else if (user_sid != NULL) {
+	
+		sid_copy(&cred_sid, user_sid);
+		
+	} else if (user != NULL) {
+	
+		/* do lookup ourself */
+
+		enum SID_NAME_USE type;
+		
+		if (!lookup_cached_name(mem_ctx,
+	        	                domain->name,
+					user,
+					&cred_sid,
+					&type)) {
+			return NT_STATUS_NO_SUCH_USER;
+		}
+	} else {
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+		
+	if (pass) {
+
+		int count = 0;
+
+		status = wcache_count_cached_creds(domain, &count);
+		if (!NT_STATUS_IS_OK(status)) {
+			return status;
+		}
+
+		DEBUG(11,("we have %d cached creds\n", count));
+
+		if (count + 1 > MAX_CACHED_LOGINS) {
+
+			DEBUG(10,("need to delete the oldest cached login\n"));
+
+			status = wcache_remove_oldest_cached_creds(domain, &cred_sid);
+			if (!NT_STATUS_IS_OK(status)) {
+				DEBUG(10,("failed to remove oldest cached cred: %s\n", 
+					nt_errstr(status)));
+				return status;
+			}
+		}
+
+		E_md4hash(pass, nt_pass);
+
+		dump_data(100, (const char *)nt_pass, NT_HASH_LEN);
+
+		status = wcache_save_creds(domain, mem_ctx, &cred_sid, nt_pass);
+		if (!NT_STATUS_IS_OK(status)) {
+			return status;
+		}
+	}
+
+	if (info3 != NULL && user != NULL) {
+		if (!netsamlogon_cache_store(user, info3)) {
+			return NT_STATUS_ACCESS_DENIED;
+		}
+	}
+
+	return NT_STATUS_OK;
+}
+
+NTSTATUS winbindd_update_creds_by_info3(struct winbindd_domain *domain,
+				        TALLOC_CTX *mem_ctx,
+				        const char *user,
+				        const char *pass,
+				        NET_USER_INFO_3 *info3)
+{
+	return winbindd_store_creds(domain, mem_ctx, user, pass, info3, NULL);
+}
+
+NTSTATUS winbindd_update_creds_by_sid(struct winbindd_domain *domain,
+				      TALLOC_CTX *mem_ctx,
+				      const DOM_SID *sid,
+				      const char *pass)
+{
+	return winbindd_store_creds(domain, mem_ctx, NULL, pass, NULL, sid);
+}
+
+NTSTATUS winbindd_update_creds_by_name(struct winbindd_domain *domain,
+				       TALLOC_CTX *mem_ctx,
+				       const char *user,
+				       const char *pass)
+{
+	return winbindd_store_creds(domain, mem_ctx, user, pass, NULL, NULL);
+}
+
+