s3:winbind: Add async wb_getpwsid

diff --git a/source3/Makefile.in b/source3/Makefile.in
index b3f54e092b8a750d66b07d275d4767f86816106e..ec47eccd4bba583325c71ab9df080cc80ecf11ca 100644 (file)
--- a/source3/Makefile.in
+++ b/source3/Makefile.in
@@ -1159,6 +1159,7 @@ WINBINDD_OBJ1 = \
                winbindd/wb_uid2sid.o \
                winbindd/wb_gid2sid.o \
                winbindd/wb_queryuser.o \
+               winbindd/wb_getpwsid.o \
                winbindd/winbindd_lookupsid.o \
                winbindd/winbindd_lookupname.o \
                winbindd/winbindd_sid_to_uid.o \

diff --git a/source3/winbindd/wb_getpwsid.c b/source3/winbindd/wb_getpwsid.c
new file mode 100644 (file)
index 0000000..a823ba3
--- /dev/null
+++ b/source3/winbindd/wb_getpwsid.c
@@ -0,0 +1,223 @@
+/*
+   Unix SMB/CIFS implementation.
+   async getpwsid
+   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"
+#include "librpc/gen_ndr/cli_wbint.h"
+
+struct wb_getpwsid_state {
+       struct winbindd_domain *user_domain;
+       struct tevent_context *ev;
+       struct dom_sid sid;
+       struct winbind_userinfo *userinfo;
+       struct winbindd_pw *pw;
+};
+
+static void wb_getpwsid_queryuser_done(struct tevent_req *subreq);
+static void wb_getpwsid_lookupsid_done(struct tevent_req *subreq);
+static void wb_getpwsid_sid2uid_done(struct tevent_req *subreq);
+static void wb_getpwsid_sid2gid_done(struct tevent_req *subreq);
+
+struct tevent_req *wb_getpwsid_send(TALLOC_CTX *mem_ctx,
+                                   struct tevent_context *ev,
+                                   const struct dom_sid *user_sid,
+                                   struct winbindd_pw *pw)
+{
+       struct tevent_req *req, *subreq;
+       struct wb_getpwsid_state *state;
+
+       req = tevent_req_create(mem_ctx, &state, struct wb_getpwsid_state);
+       if (req == NULL) {
+               return NULL;
+       }
+       sid_copy(&state->sid, user_sid);
+       state->ev = ev;
+       state->pw = pw;
+
+       state->user_domain = find_domain_from_sid_noinit(user_sid);
+       if (state->user_domain == NULL) {
+               tevent_req_nterror(req, NT_STATUS_NO_SUCH_USER);
+               return tevent_req_post(req, ev);
+       }
+
+       subreq = wb_queryuser_send(state, ev, &state->sid);
+       if (tevent_req_nomem(subreq, req)) {
+               return tevent_req_post(req, ev);
+       }
+       tevent_req_set_callback(subreq, wb_getpwsid_queryuser_done, req);
+       return req;
+}
+
+static void wb_getpwsid_queryuser_done(struct tevent_req *subreq)
+{
+       struct tevent_req *req = tevent_req_callback_data(
+               subreq, struct tevent_req);
+       struct wb_getpwsid_state *state = tevent_req_data(
+               req, struct wb_getpwsid_state);
+       NTSTATUS status;
+
+       status = wb_queryuser_recv(subreq, state, &state->userinfo);
+       TALLOC_FREE(subreq);
+       if (!NT_STATUS_IS_OK(status)) {
+               tevent_req_nterror(req, status);
+               return;
+       }
+
+       if ((state->userinfo->acct_name != NULL)
+           && (state->userinfo->acct_name[0] != '\0')) {
+               /*
+                * QueryUser got us a name, let's got directly to the
+                * sid2uid step
+                */
+               subreq = wb_sid2uid_send(state, state->ev,
+                                        &state->userinfo->user_sid);
+               if (tevent_req_nomem(subreq, req)) {
+                       return;
+               }
+               tevent_req_set_callback(subreq, wb_getpwsid_sid2uid_done, req);
+               return;
+       }
+
+       /*
+        * QueryUser didn't get us a name, do it via LSA.
+        */
+       subreq = wb_lookupsid_send(state, state->ev,
+                                  &state->userinfo->user_sid);
+       if (tevent_req_nomem(subreq, req)) {
+               return;
+       }
+       tevent_req_set_callback(subreq, wb_getpwsid_lookupsid_done, req);
+}
+
+static void wb_getpwsid_lookupsid_done(struct tevent_req *subreq)
+{
+       struct tevent_req *req = tevent_req_callback_data(
+               subreq, struct tevent_req);
+       struct wb_getpwsid_state *state = tevent_req_data(
+               req, struct wb_getpwsid_state);
+       NTSTATUS status;
+       enum lsa_SidType type;
+       const char *domain;
+
+       status = wb_lookupsid_recv(subreq, state->userinfo, &type, &domain,
+                                  &state->userinfo->acct_name);
+       TALLOC_FREE(subreq);
+       if (!NT_STATUS_IS_OK(status)) {
+               tevent_req_nterror(req, status);
+               return;
+       }
+       subreq = wb_sid2uid_send(state, state->ev, &state->userinfo->user_sid);
+       if (tevent_req_nomem(subreq, req)) {
+               return;
+       }
+       tevent_req_set_callback(subreq, wb_getpwsid_sid2uid_done, req);
+}
+
+static void wb_getpwsid_sid2uid_done(struct tevent_req *subreq)
+{
+       struct tevent_req *req = tevent_req_callback_data(
+               subreq, struct tevent_req);
+       struct wb_getpwsid_state *state = tevent_req_data(
+               req, struct wb_getpwsid_state);
+       NTSTATUS status;
+
+       status = wb_sid2uid_recv(subreq, &state->pw->pw_uid);
+       TALLOC_FREE(subreq);
+       if (!NT_STATUS_IS_OK(status)) {
+               tevent_req_nterror(req, status);
+               return;
+       }
+       subreq = wb_sid2gid_send(state, state->ev,
+                                &state->userinfo->group_sid);
+       if (tevent_req_nomem(subreq, req)) {
+               return;
+       }
+       tevent_req_set_callback(subreq, wb_getpwsid_sid2gid_done, req);
+}
+
+static void wb_getpwsid_sid2gid_done(struct tevent_req *subreq)
+{
+       struct tevent_req *req = tevent_req_callback_data(
+               subreq, struct tevent_req);
+       struct wb_getpwsid_state *state = tevent_req_data(
+               req, struct wb_getpwsid_state);
+       NTSTATUS status;
+       char *username;
+       char *mapped_name;
+
+       status = wb_sid2gid_recv(subreq, &state->pw->pw_gid);
+       TALLOC_FREE(subreq);
+       if (!NT_STATUS_IS_OK(status)) {
+               tevent_req_nterror(req, status);
+               return;
+       }
+
+       username = talloc_strdup_lower(state, state->userinfo->acct_name);
+       if (tevent_req_nomem(username, req)) {
+               return;
+       }
+
+       status = normalize_name_map(state, state->user_domain, username,
+                                   &mapped_name);
+
+       if (NT_STATUS_IS_OK(status)
+           || NT_STATUS_EQUAL(status, NT_STATUS_FILE_RENAMED)) {
+               /*
+                * normalize_name_map did something
+                */
+               fstrcpy(state->pw->pw_name, mapped_name);
+               TALLOC_FREE(mapped_name);
+       } else {
+               fill_domain_username(state->pw->pw_name,
+                                    state->user_domain->name,
+                                    username, True);
+       }
+       fstrcpy(state->pw->pw_passwd, "*");
+       fstrcpy(state->pw->pw_gecos, state->userinfo->full_name);
+
+       if (!fillup_pw_field(lp_template_homedir(), state->pw->pw_name,
+                            state->user_domain->name, state->pw->pw_uid,
+                            state->pw->pw_gid, state->userinfo->homedir,
+                            state->pw->pw_dir)) {
+               DEBUG(5, ("Could not compose homedir\n"));
+               tevent_req_nterror(req, NT_STATUS_NO_MEMORY);
+               return;
+       }
+
+       if (!fillup_pw_field(lp_template_homedir(), state->pw->pw_name,
+                            state->user_domain->name, state->pw->pw_uid,
+                            state->pw->pw_gid, state->userinfo->homedir,
+                            state->pw->pw_shell)) {
+               DEBUG(5, ("Could not compose shell\n"));
+               tevent_req_nterror(req, NT_STATUS_NO_MEMORY);
+               return;
+       }
+
+       tevent_req_done(req);
+}
+
+NTSTATUS wb_getpwsid_recv(struct tevent_req *req)
+{
+       NTSTATUS status;
+
+       if (tevent_req_is_nterror(req, &status)) {
+               return status;
+       }
+       return NT_STATUS_OK;
+}

diff --git a/source3/winbindd/winbindd_proto.h b/source3/winbindd/winbindd_proto.h
index bfcf31523187aafae60f020690b9598367bbbca1..ef977bb3b0a80211a33a4c551d6a654b80feecef 100644 (file)
--- a/source3/winbindd/winbindd_proto.h
+++ b/source3/winbindd/winbindd_proto.h
@@ -699,4 +699,10 @@ struct tevent_req *wb_queryuser_send(TALLOC_CTX *mem_ctx,
 NTSTATUS wb_queryuser_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
                           struct winbind_userinfo **pinfo);
 
+struct tevent_req *wb_getpwsid_send(TALLOC_CTX *mem_ctx,
+                                   struct tevent_context *ev,
+                                   const struct dom_sid *user_sid,
+                                   struct winbindd_pw *pw);
+NTSTATUS wb_getpwsid_recv(struct tevent_req *req);
+
 #endif /*  _WINBINDD_PROTO_H_  */