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 2 of the License, or
+ 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,
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, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
-#include "smbd/service_stream.h"
-#include "nsswitch/winbind_nss_config.h"
-#include "nsswitch/winbindd_nss.h"
#include "winbind/wb_server.h"
-#include "winbind/wb_samba3_protocol.h"
+#include "smbd/service_stream.h"
+#include "lib/stream/packet.h"
+#include "lib/tsocket/tsocket.h"
-uint32_t wbsrv_samba3_packet_length(DATA_BLOB blob)
+/*
+ work out if a packet is complete for protocols that use a 32 bit host byte
+ order length
+*/
+NTSTATUS wbsrv_samba3_packet_full_request(void *private_data, DATA_BLOB blob, size_t *size)
{
- uint32_t *len = (uint32_t *)blob.data;
- return *len;
+ uint32_t *len;
+ struct winbindd_request *req;
+
+ if (blob.length < 4) {
+ return STATUS_MORE_ENTRIES;
+ }
+ len = (uint32_t *)blob.data;
+ *size = (*len);
+ if (*size > blob.length) {
+ return STATUS_MORE_ENTRIES;
+ }
+ if (*size < sizeof(req)) {
+ /* its not a valid winbind packet. We need to accept
+ it here, and wbsrv_samba3_pull_request() will throw
+ it away */
+ return NT_STATUS_OK;
+ }
+
+ /* now we need to cope with possible extra_data, which is
+ stuck on the end with no length prefix! This is a very very
+ stupid protocol */
+ req = (struct winbindd_request *)blob.data;
+ *size = (*len) + req->extra_len;
+ if (*size > blob.length) {
+ return STATUS_MORE_ENTRIES;
+ }
+ return NT_STATUS_OK;
}
-NTSTATUS wbsrv_samba3_pull_request(DATA_BLOB blob, TALLOC_CTX *mem_ctx, struct wbsrv_call **_call)
-{
- struct wbsrv_call *call;
- struct wbsrv_samba3_call *s3_call;
- if (blob.length != sizeof(s3_call->request)) {
- DEBUG(0,("wbsrv_samba3_pull_request: invalid blob length %u should be %u\n"
+NTSTATUS wbsrv_samba3_pull_request(struct wbsrv_samba3_call *call)
+{
+ if (call->in.length < sizeof(*call->request)) {
+ DEBUG(0,("wbsrv_samba3_pull_request: invalid blob length %lu should be %lu\n"
" make sure you use the correct winbind client tools!\n",
- blob.length, sizeof(s3_call->request)));
+ (long)call->in.length, (long)sizeof(*call->request)));
return NT_STATUS_INVALID_PARAMETER;
}
- call = talloc_zero(mem_ctx, struct wbsrv_call);
- NT_STATUS_HAVE_NO_MEMORY(call);
-
- s3_call = talloc_zero(call, struct wbsrv_samba3_call);
- NT_STATUS_HAVE_NO_MEMORY(s3_call);
+ call->request = talloc_zero(call, struct winbindd_request);
+ NT_STATUS_HAVE_NO_MEMORY(call->request);
/* the packet layout is the same as the in memory layout of the request, so just copy it */
- memcpy(&s3_call->request, blob.data, sizeof(s3_call->request));
+ memcpy(call->request, call->in.data, sizeof(*call->request));
+
+ if (call->in.length != sizeof(*call->request) + call->request->extra_len) {
+ DEBUG(0,(__location__ " : invalid extra_len %u should be %u\n",
+ call->request->extra_len, (unsigned)(call->in.length - sizeof(*call->request))));
+ return NT_STATUS_INVALID_PARAMETER;
+ }
- call->private_data = s3_call;
+ /* there may be extra data */
+ if (call->request->extra_len != 0) {
+ call->request->extra_data.data = talloc_size(call->request, call->request->extra_len+1);
+ NT_STATUS_HAVE_NO_MEMORY(call->request->extra_data.data);
+ /* guarantee a nul termination, as many of the uses of
+ this field is for strings */
+ memcpy(call->request->extra_data.data, call->in.data + sizeof(*call->request),
+ call->request->extra_len);
+ call->request->extra_data.data[call->request->extra_len] = 0;
+ } else {
+ call->request->extra_data.data = NULL;
+ }
- *_call = call;
return NT_STATUS_OK;
}
-NTSTATUS wbsrv_samba3_handle_call(struct wbsrv_call *call)
+NTSTATUS wbsrv_samba3_handle_call(struct wbsrv_samba3_call *s3call)
{
- struct wbsrv_samba3_call *s3call = talloc_get_type(call->private_data,
- struct wbsrv_samba3_call);
+ DEBUG(10, ("Got winbind samba3 request %d\n", s3call->request->cmd));
- DEBUG(10, ("Got winbind samba3 request %d\n", s3call->request.cmd));
+ s3call->response = talloc_zero(s3call, struct winbindd_response);
+ NT_STATUS_HAVE_NO_MEMORY(s3call->request);
- switch(s3call->request.cmd) {
+ s3call->response->length = sizeof(*s3call->response);
+
+ switch(s3call->request->cmd) {
case WINBINDD_INTERFACE_VERSION:
return wbsrv_samba3_interface_version(s3call);
- case WINBINDD_PRIV_PIPE_DIR:
- return wbsrv_samba3_priv_pipe_dir(s3call);
+ case WINBINDD_CHECK_MACHACC:
+ return wbsrv_samba3_check_machacc(s3call);
case WINBINDD_PING:
return wbsrv_samba3_ping(s3call);
+
+ case WINBINDD_INFO:
+ return wbsrv_samba3_info(s3call);
+
+ case WINBINDD_DOMAIN_NAME:
+ return wbsrv_samba3_domain_name(s3call);
+
+ case WINBINDD_NETBIOS_NAME:
+ return wbsrv_samba3_netbios_name(s3call);
+
+ case WINBINDD_PRIV_PIPE_DIR:
+ return wbsrv_samba3_priv_pipe_dir(s3call);
+
+ case WINBINDD_LOOKUPNAME:
+ return wbsrv_samba3_lookupname(s3call);
+
+ case WINBINDD_LOOKUPSID:
+ return wbsrv_samba3_lookupsid(s3call);
+
+ case WINBINDD_PAM_AUTH:
+ return wbsrv_samba3_pam_auth(s3call);
+
+ case WINBINDD_PAM_AUTH_CRAP:
+ return wbsrv_samba3_pam_auth_crap(s3call);
+
+ case WINBINDD_GETDCNAME:
+ return wbsrv_samba3_getdcname(s3call);
+
+ case WINBINDD_GETUSERDOMGROUPS:
+ return wbsrv_samba3_userdomgroups(s3call);
+
+ case WINBINDD_GETUSERSIDS:
+ return wbsrv_samba3_usersids(s3call);
+
+ case WINBINDD_LIST_GROUPS:
+ return wbsrv_samba3_list_groups(s3call);
+
+ case WINBINDD_LIST_TRUSTDOM:
+ return wbsrv_samba3_list_trustdom(s3call);
+
+ case WINBINDD_LIST_USERS:
+ return wbsrv_samba3_list_users(s3call);
+
+ case WINBINDD_GETPWNAM:
+ return wbsrv_samba3_getpwnam(s3call);
+
+ case WINBINDD_GETPWUID:
+ return wbsrv_samba3_getpwuid(s3call);
+
+ case WINBINDD_SETPWENT:
+ return wbsrv_samba3_setpwent(s3call);
+
+ case WINBINDD_GETPWENT:
+ return wbsrv_samba3_getpwent(s3call);
+
+ case WINBINDD_ENDPWENT:
+ return wbsrv_samba3_endpwent(s3call);
+
+ case WINBINDD_GETGRNAM:
+ return wbsrv_samba3_getgrnam(s3call);
+
+ case WINBINDD_GETGRGID:
+ return wbsrv_samba3_getgrgid(s3call);
+
+ case WINBINDD_GETGROUPS:
+ return wbsrv_samba3_getgroups(s3call);
+
+ case WINBINDD_SETGRENT:
+ return wbsrv_samba3_setgrent(s3call);
+
+ case WINBINDD_GETGRENT:
+ return wbsrv_samba3_getgrent(s3call);
+
+ case WINBINDD_ENDGRENT:
+ return wbsrv_samba3_endgrent(s3call);
+
+ case WINBINDD_SID_TO_UID:
+ case WINBINDD_DUAL_SID2UID:
+ return wbsrv_samba3_sid2uid(s3call);
+
+ case WINBINDD_SID_TO_GID:
+ case WINBINDD_DUAL_SID2GID:
+ return wbsrv_samba3_sid2gid(s3call);
+
+ case WINBINDD_UID_TO_SID:
+ case WINBINDD_DUAL_UID2SID:
+ return wbsrv_samba3_uid2sid(s3call);
+
+ case WINBINDD_GID_TO_SID:
+ case WINBINDD_DUAL_GID2SID:
+ return wbsrv_samba3_gid2sid(s3call);
+
+ case WINBINDD_DOMAIN_INFO:
+ return wbsrv_samba3_domain_info(s3call);
+
+ case WINBINDD_PAM_LOGOFF:
+ return wbsrv_samba3_pam_logoff(s3call);
+
+ case WINBINDD_SIDS_TO_XIDS:
+ return wbsrv_samba3_sids2xids(s3call);
+
+ /* Unimplemented commands */
+ case WINBINDD_GETPWSID:
+ case WINBINDD_PAM_CHAUTHTOK:
+ case WINBINDD_PAM_CHNG_PSWD_AUTH_CRAP:
+ case WINBINDD_LOOKUPRIDS:
+ case WINBINDD_LOOKUPSIDS:
+ case WINBINDD_ALLOCATE_UID:
+ case WINBINDD_ALLOCATE_GID:
+ case WINBINDD_SHOW_SEQUENCE:
+ case WINBINDD_WINS_BYIP:
+ case WINBINDD_WINS_BYNAME:
+ case WINBINDD_GETGRLST:
+ case WINBINDD_GETSIDALIASES:
+ case WINBINDD_DSGETDCNAME:
+ case WINBINDD_INIT_CONNECTION:
+ case WINBINDD_DUAL_SIDS2XIDS:
+ case WINBINDD_DUAL_USERINFO:
+ case WINBINDD_DUAL_GETSIDALIASES:
+ case WINBINDD_DUAL_NDRCMD:
+ case WINBINDD_CCACHE_NTLMAUTH:
+ case WINBINDD_NUM_CMDS:
+ case WINBINDD_CHANGE_MACHACC:
+ case WINBINDD_PING_DC:
+ case WINBINDD_DC_INFO:
+ case WINBINDD_CCACHE_SAVE:
+ DEBUG(10, ("Unimplemented winbind samba3 request %d\n",
+ s3call->request->cmd));
+ break;
}
- s3call->response.result = WINBINDD_ERROR;
+ s3call->response->result = WINBINDD_ERROR;
return NT_STATUS_OK;
}
-NTSTATUS wbsrv_samba3_push_reply(struct wbsrv_call *call, TALLOC_CTX *mem_ctx, DATA_BLOB *_blob)
+static NTSTATUS wbsrv_samba3_push_reply(struct wbsrv_samba3_call *call)
{
- struct wbsrv_samba3_call *s3call = talloc_get_type(call->private_data,
- struct wbsrv_samba3_call);
- DATA_BLOB blob;
uint8_t *extra_data;
size_t extra_data_len = 0;
- extra_data = s3call->response.extra_data;
- if (extra_data) {
- extra_data_len = strlen((char *)s3call->response.extra_data) + 1;
+ extra_data = (uint8_t *)call->response->extra_data.data;
+ if (extra_data != NULL) {
+ extra_data_len = call->response->length -
+ sizeof(*call->response);
}
- blob = data_blob_talloc(mem_ctx, NULL, sizeof(s3call->response) + extra_data_len);
- NT_STATUS_HAVE_NO_MEMORY(blob.data);
+ call->out = data_blob_talloc(call, NULL, call->response->length);
+ NT_STATUS_HAVE_NO_MEMORY(call->out.data);
/* don't push real pointer values into sockets */
if (extra_data) {
- s3call->response.extra_data = (void *)0xFFFFFFFF;
+ call->response->extra_data.data = (void *)0xFFFFFFFF;
}
- s3call->response.length = sizeof(s3call->response) + extra_data_len;
- memcpy(blob.data, &s3call->response, sizeof(s3call->response));
+
+ memcpy(call->out.data, call->response, sizeof(*call->response));
/* set back the pointer */
- s3call->response.extra_data = extra_data;
+ call->response->extra_data.data = extra_data;
if (extra_data) {
- memcpy(blob.data + sizeof(s3call->response), extra_data, extra_data_len);
+ memcpy(call->out.data + sizeof(*call->response),
+ extra_data,
+ extra_data_len);
}
- *_blob = blob;
return NT_STATUS_OK;
}
+
+static void wbsrv_samba3_send_reply_done(struct tevent_req *subreq);
+
+/*
+ * queue a wbsrv_call reply on a wbsrv_connection
+ * NOTE: that this implies talloc_free(call),
+ * use talloc_reference(call) if you need it after
+ * calling wbsrv_queue_reply
+ */
+NTSTATUS wbsrv_samba3_send_reply(struct wbsrv_samba3_call *call)
+{
+ struct wbsrv_connection *wbsrv_conn = call->wbconn;
+ struct tevent_req *subreq;
+ NTSTATUS status;
+
+ status = wbsrv_samba3_push_reply(call);
+ NT_STATUS_NOT_OK_RETURN(status);
+
+ call->out_iov[0].iov_base = (char *) call->out.data;
+ call->out_iov[0].iov_len = call->out.length;
+
+ subreq = tstream_writev_queue_send(call,
+ wbsrv_conn->conn->event.ctx,
+ wbsrv_conn->tstream,
+ wbsrv_conn->send_queue,
+ call->out_iov, 1);
+ if (subreq == NULL) {
+ wbsrv_terminate_connection(wbsrv_conn, "wbsrv_call_loop: "
+ "no memory for tstream_writev_queue_send");
+ return NT_STATUS_NO_MEMORY;
+ }
+ tevent_req_set_callback(subreq, wbsrv_samba3_send_reply_done, call);
+
+ return status;
+}
+
+static void wbsrv_samba3_send_reply_done(struct tevent_req *subreq)
+{
+ struct wbsrv_samba3_call *call = tevent_req_callback_data(subreq,
+ struct wbsrv_samba3_call);
+ int sys_errno;
+ int rc;
+
+ rc = tstream_writev_queue_recv(subreq, &sys_errno);
+ TALLOC_FREE(subreq);
+ if (rc == -1) {
+ const char *reason;
+
+ reason = talloc_asprintf(call, "wbsrv_samba3_send_reply_done: "
+ "tstream_writev_queue_recv() - %d:%s",
+ sys_errno, strerror(sys_errno));
+ if (reason == NULL) {
+ reason = "wbsrv_samba3_send_reply_done: "
+ "tstream_writev_queue_recv() failed";
+ }
+
+ wbsrv_terminate_connection(call->wbconn, reason);
+ return;
+ }
+
+ talloc_free(call);
+}
+
+NTSTATUS wbsrv_samba3_process(struct wbsrv_samba3_call *call)
+{
+ NTSTATUS status;
+
+ status = wbsrv_samba3_pull_request(call);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ status = wbsrv_samba3_handle_call(call);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ talloc_free(call);
+ return status;
+ }
+
+ if (call->flags & WBSRV_CALL_FLAGS_REPLY_ASYNC) {
+ return NT_STATUS_OK;
+ }
+
+ status = wbsrv_samba3_send_reply(call);
+ return status;
+}
+
git.samba.org / samba.git / blobdiff