Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 147 insertions, 0 deletions

diff --git a/source3/winbindd/winbindd_creds.c b/source3/winbindd/winbindd_creds.c
new file mode 100644
index 0000000..97262bb
--- /dev/null
+++ b/source3/winbindd/winbindd_creds.c
@@ -0,0 +1,147 @@
+/*
+   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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "winbindd.h"
+#include "../libcli/auth/libcli_auth.h"
+#include "../libcli/security/security.h"
+#include "libsmb/samlogon_cache.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 struct dom_sid *sid,
+			    struct netr_SamInfo3 **info3,
+			    const uint8_t **cached_nt_pass,
+			    const uint8_t **cred_salt)
+{
+	struct netr_SamInfo3 *info;
+	NTSTATUS status;
+
+	status = wcache_get_creds(domain, mem_ctx, sid, cached_nt_pass, cred_salt);
+	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,
+			      const char *user, 
+			      const char *pass, 
+			      struct netr_SamInfo3 *info3)
+{
+	NTSTATUS status;
+	uchar nt_pass[NT_HASH_LEN];
+	struct dom_sid cred_sid;
+
+	if (info3 != NULL) {
+
+		sid_compose(&cred_sid, info3->base.domain_sid,
+			    info3->base.rid);
+		info3->base.user_flags |= NETLOGON_CACHED_ACCOUNT;
+
+	} else if (user != NULL) {
+
+		/* do lookup ourself */
+
+		enum lsa_SidType type;
+
+		if (!lookup_cached_name(domain->name, /* namespace */
+					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_pw("nt_pass", nt_pass, NT_HASH_LEN);
+
+		status = wcache_save_creds(domain, &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,
+				        const char *user,
+				        const char *pass,
+				        struct netr_SamInfo3 *info3)
+{
+	return winbindd_store_creds(domain, user, pass, info3);
+}
+
+NTSTATUS winbindd_update_creds_by_name(struct winbindd_domain *domain,
+				       const char *user,
+				       const char *pass)
+{
+	return winbindd_store_creds(domain, user, pass, NULL);
+}
+
+