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authorVolker Lendecke <vl@samba.org>2010-04-01 16:44:16 +0200
committerVolker Lendecke <vl@samba.org>2010-04-19 14:27:20 +0200
commit45eeed2893e569483136c3f998eacb776d52e1ce (patch)
tree10c7ceb16cf273c5a329d3e70fd013d70ba9507d /source3/winbindd
parent518a4f5423bb360cf886aa1ce951f5323f4b12f9 (diff)
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s3: Convert WINBINDD_PAM_LOGOFF to the new async API
Diffstat (limited to 'source3/winbindd')
-rw-r--r--source3/winbindd/winbindd.c3
-rw-r--r--source3/winbindd/winbindd_pam.c66
-rw-r--r--source3/winbindd/winbindd_pam_logoff.c139
-rw-r--r--source3/winbindd/winbindd_proto.h8
4 files changed, 148 insertions, 68 deletions
diff --git a/source3/winbindd/winbindd.c b/source3/winbindd/winbindd.c
index cc273eb50e..3bd2ad7c09 100644
--- a/source3/winbindd/winbindd.c
+++ b/source3/winbindd/winbindd.c
@@ -444,7 +444,6 @@ static struct winbindd_dispatch_table {
/* PAM auth functions */
- { WINBINDD_PAM_LOGOFF, winbindd_pam_logoff, "PAM_LOGOFF" },
{ WINBINDD_PAM_CHNG_PSWD_AUTH_CRAP, winbindd_pam_chng_pswd_auth_crap, "CHNG_PSWD_AUTH_CRAP" },
/* Enumeration functions */
@@ -551,6 +550,8 @@ static struct winbindd_async_dispatch_table async_nonpriv_table[] = {
winbindd_ping_dc_send, winbindd_ping_dc_recv },
{ WINBINDD_PAM_AUTH, "PAM_AUTH",
winbindd_pam_auth_send, winbindd_pam_auth_recv },
+ { WINBINDD_PAM_LOGOFF, "PAM_LOGOFF",
+ winbindd_pam_logoff_send, winbindd_pam_logoff_recv },
{ WINBINDD_PAM_CHAUTHTOK, "PAM_CHAUTHTOK",
winbindd_pam_chauthtok_send, winbindd_pam_chauthtok_recv },
diff --git a/source3/winbindd/winbindd_pam.c b/source3/winbindd/winbindd_pam.c
index 61c8c298f1..6aeeb2d143 100644
--- a/source3/winbindd/winbindd_pam.c
+++ b/source3/winbindd/winbindd_pam.c
@@ -2051,72 +2051,6 @@ process_result:
return NT_STATUS_IS_OK(result) ? WINBINDD_OK : WINBINDD_ERROR;
}
-void winbindd_pam_logoff(struct winbindd_cli_state *state)
-{
- struct winbindd_domain *domain;
- fstring name_domain, user;
- uid_t caller_uid = (uid_t)-1;
- uid_t request_uid = state->request->data.logoff.uid;
-
- /* Ensure null termination */
- state->request->data.logoff.user
- [sizeof(state->request->data.logoff.user)-1]='\0';
-
- state->request->data.logoff.krb5ccname
- [sizeof(state->request->data.logoff.krb5ccname)-1]='\0';
-
- DEBUG(3, ("[%5lu]: pam logoff %s\n", (unsigned long)state->pid,
- state->request->data.logoff.user));
-
- if (request_uid == (uid_t)-1) {
- goto failed;
- }
-
- if (!canonicalize_username(state->request->data.logoff.user, name_domain, user)) {
- goto failed;
- }
-
- if ((domain = find_auth_domain(state->request->flags,
- name_domain)) == NULL) {
- goto failed;
- }
-
- if ((sys_getpeereid(state->sock, &caller_uid)) != 0) {
- DEBUG(1,("winbindd_pam_logoff: failed to check peerid: %s\n",
- strerror(errno)));
- goto failed;
- }
-
- switch (caller_uid) {
- case -1:
- goto failed;
- case 0:
- /* root must be able to logoff any user - gd */
- state->request->data.logoff.uid = request_uid;
- break;
- default:
- if (caller_uid != request_uid) {
- DEBUG(1,("winbindd_pam_logoff: caller requested invalid uid\n"));
- goto failed;
- }
- state->request->data.logoff.uid = caller_uid;
- break;
- }
-
- sendto_domain(state, domain);
- return;
-
- failed:
- set_auth_errors(state->response, NT_STATUS_NO_SUCH_USER);
- DEBUG(5, ("Pam Logoff for %s returned %s "
- "(PAM: %d)\n",
- state->request->data.logoff.user,
- state->response->data.auth.nt_status_string,
- state->response->data.auth.pam_error));
- request_error(state);
- return;
-}
-
enum winbindd_result winbindd_dual_pam_logoff(struct winbindd_domain *domain,
struct winbindd_cli_state *state)
{
diff --git a/source3/winbindd/winbindd_pam_logoff.c b/source3/winbindd/winbindd_pam_logoff.c
new file mode 100644
index 0000000000..9cf7f17d13
--- /dev/null
+++ b/source3/winbindd/winbindd_pam_logoff.c
@@ -0,0 +1,139 @@
+/*
+ Unix SMB/CIFS implementation.
+ async implementation of WINBINDD_PAM_LOGOFF
+ Copyright (C) Volker Lendecke 2010
+
+ 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_pam_logoff_state {
+ struct winbindd_response *response;
+};
+
+static void winbindd_pam_logoff_done(struct tevent_req *subreq);
+
+struct tevent_req *winbindd_pam_logoff_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct winbindd_cli_state *cli,
+ struct winbindd_request *request)
+{
+ struct tevent_req *req, *subreq;
+ struct winbindd_pam_logoff_state *state;
+ struct winbindd_domain *domain;
+ fstring name_domain, user;
+ uid_t caller_uid;
+ int res;
+
+ req = tevent_req_create(mem_ctx, &state,
+ struct winbindd_pam_logoff_state);
+ if (req == NULL) {
+ return NULL;
+ }
+
+ /* Ensure null termination */
+ /* Ensure null termination */
+ request->data.logoff.user[sizeof(request->data.logoff.user)-1]='\0';
+ request->data.logoff.krb5ccname[
+ sizeof(request->data.logoff.krb5ccname)-1]='\0';
+
+ DEBUG(3, ("[%5lu]: pam auth %s\n", (unsigned long)cli->pid,
+ request->data.auth.user));
+
+ if (request->data.logoff.uid == (uid_t)-1) {
+ goto failed;
+ }
+
+ if (!canonicalize_username(request->data.logoff.user, name_domain,
+ user)) {
+ goto failed;
+ }
+
+ domain = find_auth_domain(request->flags, name_domain);
+ if (domain == NULL) {
+ goto failed;
+ }
+
+ caller_uid = (uid_t)-1;
+
+ res = sys_getpeereid(cli->sock, &caller_uid);
+ if (res != 0) {
+ DEBUG(1,("winbindd_pam_logoff: failed to check peerid: %s\n",
+ strerror(errno)));
+ goto failed;
+ }
+
+ switch (caller_uid) {
+ case -1:
+ goto failed;
+ case 0:
+ /* root must be able to logoff any user - gd */
+ break;
+ default:
+ if (caller_uid != request->data.logoff.uid) {
+ DEBUG(1,("winbindd_pam_logoff: caller requested "
+ "invalid uid\n"));
+ goto failed;
+ }
+ break;
+ }
+
+ subreq = wb_domain_request_send(state, winbind_event_context(), domain,
+ request);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, winbindd_pam_logoff_done, req);
+ return req;
+
+failed:
+ tevent_req_nterror(req, NT_STATUS_NO_SUCH_USER);
+ return tevent_req_post(req, ev);
+}
+
+static void winbindd_pam_logoff_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct winbindd_pam_logoff_state *state = tevent_req_data(
+ req, struct winbindd_pam_logoff_state);
+ int res, err;
+
+ res = wb_domain_request_recv(subreq, state, &state->response, &err);
+ TALLOC_FREE(subreq);
+ if (res == -1) {
+ tevent_req_nterror(req, map_nt_error_from_unix(err));
+ return;
+ }
+ tevent_req_done(req);
+}
+
+NTSTATUS winbindd_pam_logoff_recv(struct tevent_req *req,
+ struct winbindd_response *response)
+{
+ struct winbindd_pam_logoff_state *state = tevent_req_data(
+ req, struct winbindd_pam_logoff_state);
+ NTSTATUS status;
+
+ if (tevent_req_is_nterror(req, &status)) {
+ set_auth_errors(response, status);
+ return status;
+ }
+ *response = *state->response;
+ response->result = WINBINDD_PENDING;
+ state->response = talloc_move(response, &state->response);
+ return NT_STATUS(response->data.auth.nt_status);
+}
diff --git a/source3/winbindd/winbindd_proto.h b/source3/winbindd/winbindd_proto.h
index c72a1fe81d..e47f300ab7 100644
--- a/source3/winbindd/winbindd_proto.h
+++ b/source3/winbindd/winbindd_proto.h
@@ -388,7 +388,6 @@ enum winbindd_result winbindd_dual_pam_auth_crap(struct winbindd_domain *domain,
struct winbindd_cli_state *state) ;
enum winbindd_result winbindd_dual_pam_chauthtok(struct winbindd_domain *contact_domain,
struct winbindd_cli_state *state);
-void winbindd_pam_logoff(struct winbindd_cli_state *state);
enum winbindd_result winbindd_dual_pam_logoff(struct winbindd_domain *domain,
struct winbindd_cli_state *state) ;
void winbindd_pam_chng_pswd_auth_crap(struct winbindd_cli_state *state);
@@ -872,4 +871,11 @@ struct tevent_req *winbindd_pam_chauthtok_send(
NTSTATUS winbindd_pam_chauthtok_recv(struct tevent_req *req,
struct winbindd_response *response);
+struct tevent_req *winbindd_pam_logoff_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct winbindd_cli_state *cli,
+ struct winbindd_request *request);
+NTSTATUS winbindd_pam_logoff_recv(struct tevent_req *req,
+ struct winbindd_response *response);
+
#endif /* _WINBINDD_PROTO_H_ */