* Largely re-written : 2005
* Copyright (C) Jeremy Allison 1998 - 2005
* Copyright (C) Simo Sorce 2010
+ * Copyright (C) Andrew Bartlett 2011
*
* 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
*/
#include "includes.h"
+#include "rpc_client/cli_pipe.h"
#include "rpc_server/srv_pipe_internal.h"
#include "rpc_dce.h"
#include "../libcli/named_pipe_auth/npa_tstream.h"
#include "rpc_server/rpc_ncacn_np.h"
#include "librpc/gen_ndr/netlogon.h"
+#include "librpc/gen_ndr/auth.h"
+#include "../auth/auth_sam_reply.h"
+#include "auth.h"
+#include "rpc_server/rpc_pipes.h"
+#include "../lib/tsocket/tsocket.h"
+#include "../lib/util/tevent_ntstatus.h"
+#include "rpc_contexts.h"
+#include "rpc_server/rpc_config.h"
+#include "librpc/ndr/ndr_table.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_RPC_SRV
-static int pipes_open;
-
-static struct pipes_struct *InternalPipes;
-
-/* TODO
- * the following prototypes are declared here to avoid
- * code being moved about too much for a patch to be
- * disrupted / less obvious.
- *
- * these functions, and associated functions that they
- * call, should be moved behind a .so module-loading
- * system _anyway_. so that's the next step...
- */
-
-/****************************************************************************
- Internal Pipe iterator functions.
-****************************************************************************/
-
-struct pipes_struct *get_first_internal_pipe(void)
-{
- return InternalPipes;
-}
-
-struct pipes_struct *get_next_internal_pipe(struct pipes_struct *p)
-{
- return p->next;
-}
-
-static void free_pipe_rpc_context_internal( PIPE_RPC_FNS *list )
-{
- PIPE_RPC_FNS *tmp = list;
- PIPE_RPC_FNS *tmp2;
-
- while (tmp) {
- tmp2 = tmp->next;
- SAFE_FREE(tmp);
- tmp = tmp2;
- }
-
- return;
-}
-
-bool check_open_pipes(void)
-{
- struct pipes_struct *p;
-
- for (p = InternalPipes; p != NULL; p = p->next) {
- if (num_pipe_handles(p) != 0) {
- return true;
- }
- }
- return false;
-}
-
-/****************************************************************************
- Close an rpc pipe.
-****************************************************************************/
-
-int close_internal_rpc_pipe_hnd(struct pipes_struct *p)
-{
- if (!p) {
- DEBUG(0,("Invalid pipe in close_internal_rpc_pipe_hnd\n"));
- return False;
- }
-
- TALLOC_FREE(p->auth.auth_ctx);
-
- free_pipe_rpc_context_internal( p->contexts );
-
- /* Free the handles database. */
- close_policy_by_pipe(p);
-
- DLIST_REMOVE(InternalPipes, p);
-
- ZERO_STRUCTP(p);
-
- return 0;
-}
-
/****************************************************************************
Make an internal namedpipes structure
****************************************************************************/
struct pipes_struct *make_internal_rpc_pipe_p(TALLOC_CTX *mem_ctx,
const struct ndr_syntax_id *syntax,
- struct client_address *client_id,
- const struct auth_serversupplied_info *server_info,
+ const struct tsocket_address *remote_address,
+ const struct auth_session_info *session_info,
struct messaging_context *msg_ctx)
{
struct pipes_struct *p;
+ struct pipe_rpc_fns *context_fns;
+ const char *pipe_name;
+ int ret;
+ const struct ndr_interface_table *table;
- DEBUG(4,("Create pipe requested %s\n",
- get_pipe_name_from_syntax(talloc_tos(), syntax)));
-
- p = TALLOC_ZERO_P(mem_ctx, struct pipes_struct);
-
- if (!p) {
- DEBUG(0,("ERROR! no memory for pipes_struct!\n"));
+ table = ndr_table_by_uuid(&syntax->uuid);
+ if (table == NULL) {
+ DEBUG(0,("unknown interface\n"));
return NULL;
}
- p->mem_ctx = talloc_named(p, 0, "pipe %s %p",
- get_pipe_name_from_syntax(talloc_tos(),
- syntax), p);
- if (p->mem_ctx == NULL) {
- DEBUG(0,("open_rpc_pipe_p: talloc_init failed.\n"));
- TALLOC_FREE(p);
+ pipe_name = dcerpc_default_transport_endpoint(mem_ctx, NCACN_NP, table);
+
+ DEBUG(4,("Create pipe requested %s\n", pipe_name));
+
+ ret = make_base_pipes_struct(mem_ctx, msg_ctx, pipe_name,
+ NCALRPC, RPC_LITTLE_ENDIAN, false,
+ remote_address, NULL, &p);
+ if (ret) {
+ DEBUG(0,("ERROR! no memory for pipes_struct!\n"));
return NULL;
}
return NULL;
}
- p->server_info = copy_serverinfo(p, server_info);
- if (p->server_info == NULL) {
+ p->session_info = copy_session_info(p, session_info);
+ if (p->session_info == NULL) {
DEBUG(0, ("open_rpc_pipe_p: copy_serverinfo failed\n"));
close_policy_by_pipe(p);
TALLOC_FREE(p);
return NULL;
}
- p->msg_ctx = msg_ctx;
-
- DLIST_ADD(InternalPipes, p);
-
- p->client_id = client_id;
-
- p->endian = RPC_LITTLE_ENDIAN;
+ context_fns = talloc(p, struct pipe_rpc_fns);
+ if (context_fns == NULL) {
+ DEBUG(0,("talloc() failed!\n"));
+ TALLOC_FREE(p);
+ return NULL;
+ }
- p->syntax = *syntax;
+ context_fns->next = context_fns->prev = NULL;
+ context_fns->n_cmds = rpc_srv_get_pipe_num_cmds(syntax);
+ context_fns->cmds = rpc_srv_get_pipe_cmds(syntax);
+ context_fns->context_id = 0;
+ context_fns->syntax = *syntax;
- DEBUG(4,("Created internal pipe %s (pipes_open=%d)\n",
- get_pipe_name_from_syntax(talloc_tos(), syntax), pipes_open));
+ /* add to the list of open contexts */
+ DLIST_ADD(p->contexts, context_fns);
- talloc_set_destructor(p, close_internal_rpc_pipe_hnd);
+ DEBUG(4,("Created internal pipe %s\n", pipe_name));
return p;
}
const DATA_BLOB *in_data,
DATA_BLOB *out_data)
{
- uint32_t num_cmds = rpc_srv_get_pipe_num_cmds(&p->syntax);
- const struct api_struct *cmds = rpc_srv_get_pipe_cmds(&p->syntax);
+ struct pipe_rpc_fns *fns = find_pipe_fns_by_context(p->contexts, 0);
+ uint32_t num_cmds = fns->n_cmds;
+ const struct api_struct *cmds = fns->cmds;
uint32_t i;
bool ok;
}
if (p->fault_state) {
- p->fault_state = false;
- data_blob_free(&p->out_data.rdata);
- talloc_free_children(p->mem_ctx);
- return NT_STATUS_RPC_CALL_FAILED;
- }
-
- if (p->bad_handle_fault_state) {
- p->bad_handle_fault_state = false;
- data_blob_free(&p->out_data.rdata);
- talloc_free_children(p->mem_ctx);
- return NT_STATUS_RPC_SS_CONTEXT_MISMATCH;
- }
+ NTSTATUS status;
- if (p->rng_fault_state) {
- p->rng_fault_state = false;
+ status = NT_STATUS(p->fault_state);
+ p->fault_state = 0;
data_blob_free(&p->out_data.rdata);
talloc_free_children(p->mem_ctx);
- return NT_STATUS_RPC_PROCNUM_OUT_OF_RANGE;
+ return status;
}
*out_data = p->out_data.rdata;
ok = rpcint_bh_is_connected(h);
if (!ok) {
- tevent_req_nterror(req, NT_STATUS_INVALID_CONNECTION);
+ tevent_req_nterror(req, NT_STATUS_CONNECTION_DISCONNECTED);
return tevent_req_post(req, ev);
}
ok = rpcint_bh_is_connected(h);
if (!ok) {
- tevent_req_nterror(req, NT_STATUS_INVALID_CONNECTION);
+ tevent_req_nterror(req, NT_STATUS_CONNECTION_DISCONNECTED);
return tevent_req_post(req, ev);
}
static NTSTATUS rpcint_binding_handle_ex(TALLOC_CTX *mem_ctx,
const struct ndr_syntax_id *abstract_syntax,
const struct ndr_interface_table *ndr_table,
- struct client_address *client_id,
- const struct auth_serversupplied_info *server_info,
+ const struct tsocket_address *remote_address,
+ const struct auth_session_info *session_info,
struct messaging_context *msg_ctx,
struct dcerpc_binding_handle **binding_handle)
{
}
hs->p = make_internal_rpc_pipe_p(hs,
abstract_syntax,
- client_id,
- server_info,
+ remote_address,
+ session_info,
msg_ctx);
if (hs->p == NULL) {
TALLOC_FREE(h);
*
* @param[in] ndr_table Normally the ndr_table_<name>.
*
- * @param[in] client_id The info about the connected client.
+ * @param[in] remote_address The info about the connected client.
*
* @param[in] serversupplied_info The server supplied authentication function.
*
*
* status = rpcint_binding_handle(tmp_ctx,
* &ndr_table_winreg,
- * p->client_id,
- * p->server_info,
+ * p->remote_address,
+ * p->session_info,
* p->msg_ctx
* &winreg_binding);
* @endcode
*/
NTSTATUS rpcint_binding_handle(TALLOC_CTX *mem_ctx,
const struct ndr_interface_table *ndr_table,
- struct client_address *client_id,
- const struct auth_serversupplied_info *server_info,
+ const struct tsocket_address *remote_address,
+ const struct auth_session_info *session_info,
struct messaging_context *msg_ctx,
struct dcerpc_binding_handle **binding_handle)
{
- return rpcint_binding_handle_ex(mem_ctx, NULL, ndr_table, client_id,
- server_info, msg_ctx, binding_handle);
+ return rpcint_binding_handle_ex(mem_ctx, NULL, ndr_table, remote_address,
+ session_info, msg_ctx, binding_handle);
}
/**
- * @brief Create a new RPC client context which uses a local dispatch function.
+ * @internal
+ *
+ * @brief Create a new RPC client context which uses a local transport.
+ *
+ * This creates a local transport. It is a shortcut to directly call the server
+ * functions and avoid marshalling.
+ * NOTE: this function should be used only by rpc_pipe_open_interface()
*
* @param[in] mem_ctx The memory context to use.
*
* @param[in] abstract_syntax Normally the syntax_id of the autogenerated
* ndr_table_<name>.
*
- * @param[in] dispatch The corresponding autogenerated dispatch function
- * rpc_<name>_dispatch.
- *
* @param[in] serversupplied_info The server supplied authentication function.
*
+ * @param[in] remote_address The client address information.
+ *
+ * @param[in] msg_ctx The messaging context to use.
+ *
* @param[out] presult A pointer to store the connected rpc client pipe.
*
* @return NT_STATUS_OK on success, a corresponding NT status if an
* error occured.
- *
- * @code
- * struct rpc_pipe_client *winreg_pipe;
- * NTSTATUS status;
- *
- * status = rpc_pipe_open_internal(tmp_ctx,
- * &ndr_table_winreg.syntax_id,
- * rpc_winreg_dispatch,
- * p->server_info,
- * &winreg_pipe);
- * @endcode
*/
NTSTATUS rpc_pipe_open_internal(TALLOC_CTX *mem_ctx,
const struct ndr_syntax_id *abstract_syntax,
- const struct auth_serversupplied_info *serversupplied_info,
- struct client_address *client_id,
+ const struct auth_session_info *session_info,
+ const struct tsocket_address *remote_address,
struct messaging_context *msg_ctx,
struct rpc_pipe_client **presult)
{
struct rpc_pipe_client *result;
NTSTATUS status;
- result = TALLOC_ZERO_P(mem_ctx, struct rpc_pipe_client);
+ result = talloc_zero(mem_ctx, struct rpc_pipe_client);
if (result == NULL) {
return NT_STATUS_NO_MEMORY;
}
result->abstract_syntax = *abstract_syntax;
- result->transfer_syntax = ndr_transfer_syntax;
+ result->transfer_syntax = ndr_transfer_syntax_ndr;
+
+ if (remote_address == NULL) {
+ struct tsocket_address *local;
+ int rc;
+
+ rc = tsocket_address_inet_from_strings(mem_ctx,
+ "ip",
+ "127.0.0.1",
+ 0,
+ &local);
+ if (rc < 0) {
+ TALLOC_FREE(result);
+ return NT_STATUS_NO_MEMORY;
+ }
- if (client_id == NULL) {
- static struct client_address unknown;
- strlcpy(unknown.addr, "<UNKNOWN>", sizeof(unknown.addr));
- unknown.name = "<UNKNOWN>";
- client_id = &unknown;
+ remote_address = local;
}
result->max_xmit_frag = -1;
status = rpcint_binding_handle_ex(result,
abstract_syntax,
NULL,
- client_id,
- serversupplied_info,
+ remote_address,
+ session_info,
msg_ctx,
&result->binding_handle);
if (!NT_STATUS_IS_OK(status)) {
const char *pipe_name,
const struct tsocket_address *local_address,
const struct tsocket_address *remote_address,
- const struct auth_serversupplied_info *server_info)
+ const struct auth_session_info *session_info)
{
struct np_proxy_state *result;
char *socket_np_dir;
const char *socket_dir;
struct tevent_context *ev;
struct tevent_req *subreq;
- struct netr_SamInfo3 *info3;
- NTSTATUS status;
+ struct auth_session_info_transport *session_info_t;
bool ok;
int ret;
int sys_errno;
GLOBAL_SECTION_SNUM, "external_rpc_pipe", "socket_dir",
lp_ncalrpc_dir());
if (socket_dir == NULL) {
- DEBUG(0, ("externan_rpc_pipe:socket_dir not set\n"));
+ DEBUG(0, ("external_rpc_pipe:socket_dir not set\n"));
goto fail;
}
socket_np_dir = talloc_asprintf(talloc_tos(), "%s/np", socket_dir);
goto fail;
}
- info3 = talloc_zero(talloc_tos(), struct netr_SamInfo3);
- if (info3 == NULL) {
+ session_info_t = talloc_zero(talloc_tos(), struct auth_session_info_transport);
+ if (session_info_t == NULL) {
DEBUG(0, ("talloc failed\n"));
goto fail;
}
- status = serverinfo_to_SamInfo3(server_info, NULL, 0, info3);
- if (!NT_STATUS_IS_OK(status)) {
- TALLOC_FREE(info3);
- DEBUG(0, ("serverinfo_to_SamInfo3 failed: %s\n",
- nt_errstr(status)));
+ session_info_t->session_info = copy_session_info(session_info_t,
+ session_info);
+ if (session_info_t->session_info == NULL) {
+ DEBUG(0, ("copy_session_info failed\n"));
goto fail;
}
NULL, /* client_name */
local_address, /* server_addr */
NULL, /* server_name */
- info3,
- server_info->user_session_key,
- data_blob_null /* delegated_creds */);
+ session_info_t);
if (subreq == NULL) {
unbecome_root();
DEBUG(0, ("tstream_npa_connect_send to %s for pipe %s and "
"user %s\\%s failed\n",
- socket_np_dir, pipe_name, info3->base.domain.string,
- info3->base.account_name.string));
+ socket_np_dir, pipe_name, session_info_t->session_info->info->domain_name,
+ session_info_t->session_info->info->account_name));
goto fail;
}
ok = tevent_req_poll(subreq, ev);
if (!ok) {
DEBUG(0, ("tevent_req_poll to %s for pipe %s and user %s\\%s "
"failed for tstream_npa_connect: %s\n",
- socket_np_dir, pipe_name, info3->base.domain.string,
- info3->base.account_name.string,
+ socket_np_dir, pipe_name, session_info_t->session_info->info->domain_name,
+ session_info_t->session_info->info->account_name,
strerror(errno)));
goto fail;
&result->allocation_size);
TALLOC_FREE(subreq);
if (ret != 0) {
- DEBUG(0, ("tstream_npa_connect_recv to %s for pipe %s and "
+ int l = 1;
+ if (errno == ENOENT) {
+ l = 2;
+ }
+ DEBUG(l, ("tstream_npa_connect_recv to %s for pipe %s and "
"user %s\\%s failed: %s\n",
- socket_np_dir, pipe_name, info3->base.domain.string,
- info3->base.account_name.string,
+ socket_np_dir, pipe_name, session_info_t->session_info->info->domain_name,
+ session_info_t->session_info->info->account_name,
strerror(sys_errno)));
goto fail;
}
static NTSTATUS rpc_pipe_open_external(TALLOC_CTX *mem_ctx,
const char *pipe_name,
- const struct ndr_syntax_id *abstract_syntax,
- const struct auth_serversupplied_info *server_info,
+ const struct ndr_interface_table *table,
+ const struct auth_session_info *session_info,
struct rpc_pipe_client **_result)
{
struct tsocket_address *local, *remote;
}
proxy_state = make_external_rpc_pipe_p(mem_ctx, pipe_name,
- local, remote, server_info);
+ local, remote, session_info);
if (!proxy_state) {
return NT_STATUS_UNSUCCESSFUL;
}
goto done;
}
- result->abstract_syntax = *abstract_syntax;
- result->transfer_syntax = ndr_transfer_syntax;
+ result->abstract_syntax = table->syntax_id;
+ result->transfer_syntax = ndr_transfer_syntax_ndr;
result->desthost = get_myname(result);
result->srv_name_slash = talloc_asprintf_strupper_m(
result->max_recv_frag = RPC_MAX_PDU_FRAG_LEN;
status = rpc_transport_tstream_init(result,
- proxy_state->npipe,
- proxy_state->read_queue,
- proxy_state->write_queue,
+ &proxy_state->npipe,
&result->transport);
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
+ result->binding_handle = rpccli_bh_create(result, NULL, table);
+ if (result->binding_handle == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ DEBUG(0, ("Failed to create binding handle.\n"));
+ goto done;
+ }
+
result->auth = talloc_zero(result, struct pipe_auth_data);
if (!result->auth) {
status = NT_STATUS_NO_MEMORY;
status = rpc_pipe_bind(result, auth);
if (!NT_STATUS_IS_OK(status)) {
- DEBUG(0, ("Failed to bind spoolss pipe.\n"));
+ DEBUG(0, ("Failed to bind external pipe.\n"));
goto done;
}
+
done:
if (!NT_STATUS_IS_OK(status)) {
TALLOC_FREE(result);
}
/**
- * @brief Create a new RPC client context which uses a local dispatch function.
+ * @brief Create a new RPC client context which uses a local dispatch function
+ * or a remote transport, depending on rpc_server configuration for the
+ * specific service.
+ *
+ * @param[in] mem_ctx The memory context to use.
+ *
+ * @param[in] abstract_syntax Normally the syntax_id of the autogenerated
+ * ndr_table_<name>.
+ *
+ * @param[in] serversupplied_info The server supplied authentication function.
+ *
+ * @param[in] remote_address The client address information.
+ *
+ * @param[in] msg_ctx The messaging context to use.
+ *
+ * @param[out] presult A pointer to store the connected rpc client pipe.
+ *
+ * @return NT_STATUS_OK on success, a corresponding NT status if an
+ * error occured.
*
- * @param mem_ctx The memory context on which thje pipe will ultimately
- * be allocated
- * @param name The pipe name to connect to.
- * @param server_info Credentials to use for the connection.
- * @param pipe [in|out] Checks if a pipe is connected, and connects it
- * if not
+ * @code
+ * struct rpc_pipe_client *winreg_pipe;
+ * NTSTATUS status;
*
- * @return NT_STATUS_OK on success, a corresponding NT status if
- * an error occured.
+ * status = rpc_pipe_open_interface(tmp_ctx,
+ * &ndr_table_winreg.syntax_id,
+ * p->session_info,
+ * remote_address,
+ * &winreg_pipe);
+ * @endcode
*/
NTSTATUS rpc_pipe_open_interface(TALLOC_CTX *mem_ctx,
- const struct ndr_syntax_id *syntax,
- const struct auth_serversupplied_info *server_info,
- struct client_address *client_id,
+ const struct ndr_interface_table *table,
+ const struct auth_session_info *session_info,
+ const struct tsocket_address *remote_address,
struct messaging_context *msg_ctx,
struct rpc_pipe_client **cli_pipe)
{
struct rpc_pipe_client *cli = NULL;
- const char *server_type;
+ enum rpc_service_mode_e pipe_mode;
const char *pipe_name;
NTSTATUS status;
TALLOC_CTX *tmp_ctx;
- if (cli_pipe && rpccli_is_connected(*cli_pipe)) {
- return NT_STATUS_OK;
- } else {
- TALLOC_FREE(*cli_pipe);
+ if (cli_pipe != NULL) {
+ if (rpccli_is_connected(*cli_pipe)) {
+ return NT_STATUS_OK;
+ } else {
+ TALLOC_FREE(*cli_pipe);
+ }
}
tmp_ctx = talloc_stackframe();
return NT_STATUS_NO_MEMORY;
}
- pipe_name = get_pipe_name_from_syntax(tmp_ctx, syntax);
+ pipe_name = dcerpc_default_transport_endpoint(mem_ctx, NCACN_NP, table);
if (pipe_name == NULL) {
status = NT_STATUS_INVALID_PARAMETER;
goto done;
}
- DEBUG(10, ("Connecting to %s pipe.\n", pipe_name));
+ while (pipe_name[0] == '\\') {
+ pipe_name++;
+ }
+
+ DEBUG(5, ("Connecting to %s pipe.\n", pipe_name));
- server_type = lp_parm_const_string(GLOBAL_SECTION_SNUM,
- "rpc_server", pipe_name,
- "embedded");
- if (StrCaseCmp(server_type, "embedded") == 0) {
+ pipe_mode = rpc_service_mode(pipe_name);
+
+ switch (pipe_mode) {
+ case RPC_SERVICE_MODE_EMBEDDED:
status = rpc_pipe_open_internal(tmp_ctx,
- syntax, server_info,
- client_id, msg_ctx,
+ &table->syntax_id, session_info,
+ remote_address, msg_ctx,
&cli);
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
- } else {
+ break;
+ case RPC_SERVICE_MODE_EXTERNAL:
/* It would be nice to just use rpc_pipe_open_ncalrpc() but
* for now we need to use the special proxy setup to connect
* to spoolssd. */
status = rpc_pipe_open_external(tmp_ctx,
- pipe_name, syntax,
- server_info,
+ pipe_name, table,
+ session_info,
&cli);
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
- }
+ break;
+ case RPC_SERVICE_MODE_DISABLED:
+ status = NT_STATUS_NOT_IMPLEMENTED;
+ DEBUG(0, ("Service pipe %s is disabled in config file: %s",
+ pipe_name, nt_errstr(status)));
+ goto done;
+ }
status = NT_STATUS_OK;
done:
- if (NT_STATUS_IS_OK(status)) {
+ if (NT_STATUS_IS_OK(status) && cli_pipe != NULL) {
*cli_pipe = talloc_move(mem_ctx, &cli);
}
TALLOC_FREE(tmp_ctx);
git.samba.org / mat / samba.git / blobdiff