s3:winbind: Convert WINBINDD_GETPWNAM to the new API

1 files changed, 142 insertions, 0 deletions

diff --git a/source3/winbindd/winbindd_getpwnam.c b/source3/winbindd/winbindd_getpwnam.c
new file mode 100644
index 0000000000..80b618c4aa
--- /dev/null
+++ b/source3/winbindd/winbindd_getpwnam.c
@@ -0,0 +1,142 @@
+/*
+   Unix SMB/CIFS implementation.
+   async implementation of WINBINDD_GETPWNAM
+   Copyright (C) Volker Lendecke 2009
+
+   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"
+
+struct winbindd_getpwnam_state {
+	struct tevent_context *ev;
+	fstring domname;
+	fstring username;
+	struct dom_sid sid;
+	enum lsa_SidType type;
+	struct winbindd_pw pw;
+};
+
+static void winbindd_getpwnam_lookupname_done(struct tevent_req *subreq);
+static void winbindd_getpwnam_done(struct tevent_req *subreq);
+
+struct tevent_req *winbindd_getpwnam_send(TALLOC_CTX *mem_ctx,
+					  struct tevent_context *ev,
+					  struct winbindd_request *request)
+{
+	struct tevent_req *req, *subreq;
+	struct winbindd_getpwnam_state *state;
+	char *domuser, *mapped_user;
+	NTSTATUS status;
+
+	req = tevent_req_create(mem_ctx, &state,
+				struct winbindd_getpwnam_state);
+	if (req == NULL) {
+		return NULL;
+	}
+	state->ev = ev;
+
+	/* Ensure null termination */
+	request->data.username[sizeof(request->data.username)-1]='\0';
+
+	DEBUG(3, ("getpwnam %s\n", request->data.username));
+
+	domuser = request->data.username;
+
+	status = normalize_name_unmap(state, domuser, &mapped_user);
+
+	if (NT_STATUS_IS_OK(status)
+	    || NT_STATUS_EQUAL(status, NT_STATUS_FILE_RENAMED)) {
+		/* normalize_name_unmapped did something */
+		domuser = mapped_user;
+	}
+
+	if (!parse_domain_user(domuser, state->domname, state->username)) {
+		DEBUG(5, ("Could not parse domain user: %s\n", domuser));
+		tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
+		return tevent_req_post(req, ev);
+	}
+
+	if (lp_winbind_trusted_domains_only()
+	    && strequal(state->domname, lp_workgroup())) {
+		DEBUG(7,("winbindd_getpwnam: My domain -- "
+			 "rejecting getpwnam() for %s\\%s.\n",
+			 state->domname, state->username));
+		tevent_req_nterror(req, NT_STATUS_NO_SUCH_USER);
+		return tevent_req_post(req, ev);
+	}
+
+	subreq = wb_lookupname_send(state, ev, state->domname, state->username,
+				    LOOKUP_NAME_NO_NSS);
+	if (tevent_req_nomem(subreq, req)) {
+		return tevent_req_post(req, ev);
+	}
+	tevent_req_set_callback(subreq, winbindd_getpwnam_lookupname_done,
+				req);
+	return req;
+}
+
+static void winbindd_getpwnam_lookupname_done(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+		subreq, struct tevent_req);
+	struct winbindd_getpwnam_state *state = tevent_req_data(
+		req, struct winbindd_getpwnam_state);
+	NTSTATUS status;
+
+	status = wb_lookupname_recv(subreq, &state->sid, &state->type);
+	TALLOC_FREE(subreq);
+	if (!NT_STATUS_IS_OK(status)) {
+		tevent_req_nterror(req, status);
+		return;
+	}
+
+	subreq = wb_getpwsid_send(state, state->ev, &state->sid, &state->pw);
+	if (tevent_req_nomem(subreq, req)) {
+		return;
+	}
+	tevent_req_set_callback(subreq, winbindd_getpwnam_done, req);
+}
+
+static void winbindd_getpwnam_done(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+		subreq, struct tevent_req);
+	NTSTATUS status;
+
+	status = wb_getpwsid_recv(subreq);
+	TALLOC_FREE(subreq);
+	if (!NT_STATUS_IS_OK(status)) {
+		tevent_req_nterror(req, status);
+		return;
+	}
+	tevent_req_done(req);
+}
+
+NTSTATUS winbindd_getpwnam_recv(struct tevent_req *req,
+				struct winbindd_response *response)
+{
+	struct winbindd_getpwnam_state *state = tevent_req_data(
+		req, struct winbindd_getpwnam_state);
+	NTSTATUS status;
+
+	if (tevent_req_is_nterror(req, &status)) {
+		DEBUG(5, ("Could not convert sid %s: %s\n",
+			  sid_string_dbg(&state->sid), nt_errstr(status)));
+		return status;
+	}
+	response->data.pw = state->pw;
+	return NT_STATUS_OK;
+}