s3-winbind: Added a common rpc_name_to_sid function.

2 files changed, 73 insertions, 0 deletions

diff --git a/source3/winbindd/winbindd_rpc.c b/source3/winbindd/winbindd_rpc.c
index eddd1882d4..a699fc2e14 100644
--- a/source3/winbindd/winbindd_rpc.c
+++ b/source3/winbindd/winbindd_rpc.c
@@ -247,3 +247,66 @@ NTSTATUS rpc_enum_local_groups(TALLOC_CTX *mem_ctx,
 
 	return NT_STATUS_OK;
 }
+
+/* convert a single name to a sid in a domain */
+NTSTATUS rpc_name_to_sid(TALLOC_CTX *mem_ctx,
+			 struct rpc_pipe_client *lsa_pipe,
+			 struct policy_handle *lsa_policy,
+			 const char *domain_name,
+			 const char *name,
+			 uint32_t flags,
+			 struct dom_sid *sid,
+			 enum lsa_SidType *type)
+{
+	enum lsa_SidType *types = NULL;
+	struct dom_sid *sids = NULL;
+	char *full_name = NULL;
+	char *mapped_name = NULL;
+	NTSTATUS status;
+
+	if (name == NULL || name[0] == '\0') {
+		full_name = talloc_asprintf(mem_ctx, "%s", domain_name);
+	} else if (domain_name == NULL || domain_name[0] == '\0') {
+		full_name = talloc_asprintf(mem_ctx, "%s", name);
+	} else {
+		full_name = talloc_asprintf(mem_ctx, "%s\\%s", domain_name, name);
+	}
+
+	if (full_name == NULL) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	status = normalize_name_unmap(mem_ctx, full_name, &mapped_name);
+	/* Reset the full_name pointer if we mapped anything */
+	if (NT_STATUS_IS_OK(status) ||
+	    NT_STATUS_EQUAL(status, NT_STATUS_FILE_RENAMED)) {
+		full_name = mapped_name;
+	}
+
+	DEBUG(3,("name_to_sid: %s for domain %s\n",
+		 full_name ? full_name : "", domain_name ));
+
+	/*
+	 * We don't run into deadlocks here, cause winbind_off() is
+	 * called in the main function.
+	 */
+	status = rpccli_lsa_lookup_names(lsa_pipe,
+					 mem_ctx,
+					 lsa_policy,
+					 1, /* num_names */
+					 (const char **) &full_name,
+					 NULL, /* domains */
+					 1, /* level */
+					 &sids,
+					 &types);
+	if (!NT_STATUS_IS_OK(status)) {
+		DEBUG(2,("name_to_sid: failed to lookup name: %s\n",
+			nt_errstr(status)));
+		return status;
+	}
+
+	sid_copy(sid, &sids[0]);
+	*type = types[0];
+
+	return NT_STATUS_OK;
+}
diff --git a/source3/winbindd/winbindd_rpc.h b/source3/winbindd/winbindd_rpc.h
index 5ba5bf4ce5..99006d4655 100644
--- a/source3/winbindd/winbindd_rpc.h
+++ b/source3/winbindd/winbindd_rpc.h
@@ -47,4 +47,14 @@ NTSTATUS rpc_enum_local_groups(TALLOC_CTX *mem_ctx,
 			       uint32_t *pnum_info,
 			       struct acct_info **pinfo);
 
+/* Convert a single name to a sid in a domain */
+NTSTATUS rpc_name_to_sid(TALLOC_CTX *mem_ctx,
+			 struct rpc_pipe_client *lsa_pipe,
+			 struct policy_handle *lsa_policy,
+			 const char *domain_name,
+			 const char *name,
+			 uint32_t flags,
+			 struct dom_sid *psid,
+			 enum lsa_SidType *ptype);
+
 #endif /* _WINBINDD_RPC_H_ */