*/
#include "includes.h"
-#include "librpc/gen_ndr/ndr_dcerpc.h"
#include "auth/auth.h"
#include "auth/gensec/gensec.h"
#include "../lib/util/dlinklist.h"
#include "rpc_server/dcerpc_server.h"
#include "rpc_server/dcerpc_server_proto.h"
+#include "rpc_server/common/proto.h"
#include "librpc/rpc/dcerpc_proto.h"
-#include "lib/events/events.h"
-#include "smbd/service_task.h"
-#include "smbd/service_stream.h"
-#include "smbd/service.h"
#include "system/filesys.h"
#include "libcli/security/security.h"
#include "param/param.h"
+#include "../lib/tsocket/tsocket.h"
+#include "../libcli/named_pipe_auth/npa_tstream.h"
+#include "smbd/service_stream.h"
+#include "../lib/tsocket/tsocket.h"
+#include "lib/socket/socket.h"
+#include "smbd/process_model.h"
+#include "lib/messaging/irpc.h"
+#include "librpc/rpc/rpc_common.h"
+#include "lib/util/samba_modules.h"
/* this is only used when the client asks for an unknown interface */
#define DUMMY_ASSOC_GROUP 0x0FFFFFFF
return talloc_reference(mem_ctx, assoc_group);
}
+static int dcesrv_assoc_group_destructor(struct dcesrv_assoc_group *assoc_group)
+{
+ int ret;
+ ret = idr_remove(assoc_group->dce_ctx->assoc_groups_idr, assoc_group->id);
+ if (ret != 0) {
+ DEBUG(0,(__location__ ": Failed to remove assoc_group 0x%08x\n",
+ assoc_group->id));
+ }
+ return 0;
+}
+
/*
allocate a new association group
*/
}
assoc_group->id = id;
+ assoc_group->dce_ctx = dce_ctx;
+
+ talloc_set_destructor(assoc_group, dcesrv_assoc_group_destructor);
+
return assoc_group;
}
return NT_STATUS_NO_USER_SESSION_KEY;
}
-NTSTATUS dcesrv_generic_session_key(struct dcesrv_connection *p,
- DATA_BLOB *session_key)
-{
- /* this took quite a few CPU cycles to find ... */
- session_key->data = discard_const_p(uint8_t, "SystemLibraryDTC");
- session_key->length = 16;
- return NT_STATUS_OK;
-}
-
/*
fetch the user session key - may be default (above) or the SMB session key
const struct dcesrv_endpoint *ep,
struct auth_session_info *session_info,
struct tevent_context *event_ctx,
- struct messaging_context *msg_ctx,
+ struct imessaging_context *msg_ctx,
struct server_id server_id,
uint32_t state_flags,
struct dcesrv_connection **_p)
p->endpoint = ep;
p->contexts = NULL;
p->call_list = NULL;
- p->packet_log_dir = lp_lockdir(dce_ctx->lp_ctx);
+ p->packet_log_dir = lpcfg_lockdir(dce_ctx->lp_ctx);
p->incoming_fragmented_call_list = NULL;
p->pending_call_list = NULL;
p->cli_max_recv_frag = 0;
return NT_STATUS_OK;
}
-static void dcesrv_init_hdr(struct ncacn_packet *pkt, bool bigendian)
-{
- pkt->rpc_vers = 5;
- pkt->rpc_vers_minor = 0;
- if (bigendian) {
- pkt->drep[0] = 0;
- } else {
- pkt->drep[0] = DCERPC_DREP_LE;
- }
- pkt->drep[1] = 0;
- pkt->drep[2] = 0;
- pkt->drep[3] = 0;
-}
-
/*
move a call from an existing linked list to the specified list. This
prevents bugs where we forget to remove the call from a previous
}
}
-/*
- return a dcerpc fault
-*/
-static NTSTATUS dcesrv_fault(struct dcesrv_call_state *call, uint32_t fault_code)
-{
- struct ncacn_packet pkt;
- struct data_blob_list_item *rep;
- uint8_t zeros[4];
- NTSTATUS status;
-
- /* setup a bind_ack */
- dcesrv_init_hdr(&pkt, lp_rpc_big_endian(call->conn->dce_ctx->lp_ctx));
- pkt.auth_length = 0;
- pkt.call_id = call->pkt.call_id;
- pkt.ptype = DCERPC_PKT_FAULT;
- pkt.pfc_flags = DCERPC_PFC_FLAG_FIRST | DCERPC_PFC_FLAG_LAST;
- pkt.u.fault.alloc_hint = 0;
- pkt.u.fault.context_id = 0;
- pkt.u.fault.cancel_count = 0;
- pkt.u.fault.status = fault_code;
-
- ZERO_STRUCT(zeros);
- pkt.u.fault._pad = data_blob_const(zeros, sizeof(zeros));
-
- rep = talloc(call, struct data_blob_list_item);
- if (!rep) {
- return NT_STATUS_NO_MEMORY;
- }
-
- status = ncacn_push_auth(&rep->blob, call, lp_iconv_convenience(call->conn->dce_ctx->lp_ctx), &pkt, NULL);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
-
- dcerpc_set_frag_length(&rep->blob, rep->blob.length);
-
- DLIST_ADD_END(call->replies, rep, struct data_blob_list_item *);
- dcesrv_call_set_list(call, DCESRV_LIST_CALL_LIST);
-
- if (call->conn->call_list && call->conn->call_list->replies) {
- if (call->conn->transport.report_output_data) {
- call->conn->transport.report_output_data(call->conn);
- }
- }
-
- return NT_STATUS_OK;
-}
-
/*
return a dcerpc bind_nak
NTSTATUS status;
/* setup a bind_nak */
- dcesrv_init_hdr(&pkt, lp_rpc_big_endian(call->conn->dce_ctx->lp_ctx));
+ dcesrv_init_hdr(&pkt, lpcfg_rpc_big_endian(call->conn->dce_ctx->lp_ctx));
pkt.auth_length = 0;
pkt.call_id = call->pkt.call_id;
pkt.ptype = DCERPC_PKT_BIND_NAK;
return NT_STATUS_NO_MEMORY;
}
- status = ncacn_push_auth(&rep->blob, call, lp_iconv_convenience(call->conn->dce_ctx->lp_ctx), &pkt, NULL);
+ status = ncacn_push_auth(&rep->blob, call, &pkt, NULL);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
{
DLIST_REMOVE(c->conn->contexts, c);
- if (c->iface) {
+ if (c->iface && c->iface->unbind) {
c->iface->unbind(c, c->iface);
}
if provided, check the assoc_group is valid
*/
if (call->pkt.u.bind.assoc_group_id != 0 &&
- lp_parm_bool(call->conn->dce_ctx->lp_ctx, NULL, "dcesrv","assoc group checking", true) &&
+ lpcfg_parm_bool(call->conn->dce_ctx->lp_ctx, NULL, "dcesrv","assoc group checking", true) &&
dcesrv_assoc_group_find(call->conn->dce_ctx, call->pkt.u.bind.assoc_group_id) == NULL) {
return dcesrv_bind_nak(call, 0);
}
call->context = context;
talloc_set_destructor(context, dcesrv_connection_context_destructor);
- status = iface->bind(call, iface);
+ status = iface->bind(call, iface, if_version);
if (!NT_STATUS_IS_OK(status)) {
char *uuid_str = GUID_string(call, &uuid);
DEBUG(2,("Request for dcerpc interface %s/%d rejected: %s\n",
}
if ((call->pkt.pfc_flags & DCERPC_PFC_FLAG_SUPPORT_HEADER_SIGN) &&
- lp_parm_bool(call->conn->dce_ctx->lp_ctx, NULL, "dcesrv","header signing", false)) {
+ lpcfg_parm_bool(call->conn->dce_ctx->lp_ctx, NULL, "dcesrv","header signing", false)) {
call->conn->state_flags |= DCESRV_CALL_STATE_FLAG_HEADER_SIGNING;
extra_flags |= DCERPC_PFC_FLAG_SUPPORT_HEADER_SIGN;
}
}
/* setup a bind_ack */
- dcesrv_init_hdr(&pkt, lp_rpc_big_endian(call->conn->dce_ctx->lp_ctx));
+ dcesrv_init_hdr(&pkt, lpcfg_rpc_big_endian(call->conn->dce_ctx->lp_ctx));
pkt.auth_length = 0;
pkt.call_id = call->pkt.call_id;
pkt.ptype = DCERPC_PKT_BIND_ACK;
return NT_STATUS_NO_MEMORY;
}
- status = ncacn_push_auth(&rep->blob, call, lp_iconv_convenience(call->conn->dce_ctx->lp_ctx), &pkt, call->conn->auth_state.auth_info);
+ status = ncacn_push_auth(&rep->blob, call, &pkt,
+ call->conn->auth_state.auth_info);
if (!NT_STATUS_IS_OK(status)) {
talloc_free(call->context);
call->context = NULL;
call->context = context;
talloc_set_destructor(context, dcesrv_connection_context_destructor);
- status = iface->bind(call, iface);
+ status = iface->bind(call, iface, if_version);
if (!NT_STATUS_IS_OK(status)) {
/* we don't want to trigger the iface->unbind() hook */
context->iface = NULL;
if (result == 0 &&
call->pkt.u.alter.assoc_group_id != 0 &&
- lp_parm_bool(call->conn->dce_ctx->lp_ctx, NULL, "dcesrv","assoc group checking", true) &&
+ lpcfg_parm_bool(call->conn->dce_ctx->lp_ctx, NULL, "dcesrv","assoc group checking", true) &&
call->pkt.u.alter.assoc_group_id != call->context->assoc_group->id) {
DEBUG(0,(__location__ ": Failed attempt to use new assoc_group in alter context (0x%08x 0x%08x)\n",
call->context->assoc_group->id, call->pkt.u.alter.assoc_group_id));
}
/* setup a alter_resp */
- dcesrv_init_hdr(&pkt, lp_rpc_big_endian(call->conn->dce_ctx->lp_ctx));
+ dcesrv_init_hdr(&pkt, lpcfg_rpc_big_endian(call->conn->dce_ctx->lp_ctx));
pkt.auth_length = 0;
pkt.call_id = call->pkt.call_id;
pkt.ptype = DCERPC_PKT_ALTER_RESP;
return NT_STATUS_NO_MEMORY;
}
- status = ncacn_push_auth(&rep->blob, call, lp_iconv_convenience(call->conn->dce_ctx->lp_ctx), &pkt, call->conn->auth_state.auth_info);
+ status = ncacn_push_auth(&rep->blob, call, &pkt, call->conn->auth_state.auth_info);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
return NT_STATUS_OK;
}
+/*
+ possibly save the call for inspection with ndrdump
+ */
+static void dcesrv_save_call(struct dcesrv_call_state *call, const char *why)
+{
+#ifdef DEVELOPER
+ char *fname;
+ const char *dump_dir;
+ dump_dir = lpcfg_parm_string(call->conn->dce_ctx->lp_ctx, NULL, "dcesrv", "stubs directory");
+ if (!dump_dir) {
+ return;
+ }
+ fname = talloc_asprintf(call, "%s/RPC-%s-%u-%s.dat",
+ dump_dir,
+ call->context->iface->name,
+ call->pkt.u.request.opnum,
+ why);
+ if (file_save(fname, call->pkt.u.request.stub_and_verifier.data, call->pkt.u.request.stub_and_verifier.length)) {
+ DEBUG(0,("RPC SAVED %s\n", fname));
+ }
+ talloc_free(fname);
+#endif
+}
+
/*
handle a dcerpc request packet
*/
return dcesrv_fault(call, DCERPC_FAULT_UNK_IF);
}
- pull = ndr_pull_init_blob(&call->pkt.u.request.stub_and_verifier, call,
- lp_iconv_convenience(call->conn->dce_ctx->lp_ctx));
+ pull = ndr_pull_init_blob(&call->pkt.u.request.stub_and_verifier, call);
NT_STATUS_HAVE_NO_MEMORY(pull);
pull->flags |= LIBNDR_FLAG_REF_ALLOC;
/* unravel the NDR for the packet */
status = context->iface->ndr_pull(call, call, pull, &call->r);
if (!NT_STATUS_IS_OK(status)) {
+ if (call->fault_code == DCERPC_FAULT_OP_RNG_ERROR) {
+ /* we got an unknown call */
+ DEBUG(3,(__location__ ": Unknown RPC call %u on %s\n",
+ call->pkt.u.request.opnum, context->iface->name));
+ dcesrv_save_call(call, "unknown");
+ } else {
+ dcesrv_save_call(call, "pullfail");
+ }
return dcesrv_fault(call, call->fault_code);
}
if (pull->offset != pull->data_size) {
+ dcesrv_save_call(call, "extrabytes");
DEBUG(3,("Warning: %d extra bytes in incoming RPC request\n",
pull->data_size - pull->offset));
- dump_data(10, pull->data+pull->offset, pull->data_size - pull->offset);
}
/* call the dispatch function */
return dcesrv_reply(call);
}
-_PUBLIC_ NTSTATUS dcesrv_reply(struct dcesrv_call_state *call)
-{
- struct ndr_push *push;
- NTSTATUS status;
- DATA_BLOB stub;
- uint32_t total_length, chunk_size;
- struct dcesrv_connection_context *context = call->context;
- size_t sig_size = 0;
-
- /* call the reply function */
- status = context->iface->reply(call, call, call->r);
- if (!NT_STATUS_IS_OK(status)) {
- return dcesrv_fault(call, call->fault_code);
- }
-
- /* form the reply NDR */
- push = ndr_push_init_ctx(call, lp_iconv_convenience(call->conn->dce_ctx->lp_ctx));
- NT_STATUS_HAVE_NO_MEMORY(push);
-
- /* carry over the pointer count to the reply in case we are
- using full pointer. See NDR specification for full
- pointers */
- push->ptr_count = call->ndr_pull->ptr_count;
-
- if (lp_rpc_big_endian(call->conn->dce_ctx->lp_ctx)) {
- push->flags |= LIBNDR_FLAG_BIGENDIAN;
- }
-
- status = context->iface->ndr_push(call, call, push, call->r);
- if (!NT_STATUS_IS_OK(status)) {
- return dcesrv_fault(call, call->fault_code);
- }
-
- stub = ndr_push_blob(push);
-
- total_length = stub.length;
-
- /* we can write a full max_recv_frag size, minus the dcerpc
- request header size */
- chunk_size = call->conn->cli_max_recv_frag;
- chunk_size -= DCERPC_REQUEST_LENGTH;
- if (call->conn->auth_state.auth_info &&
- call->conn->auth_state.gensec_security) {
- sig_size = gensec_sig_size(call->conn->auth_state.gensec_security,
- call->conn->cli_max_recv_frag);
- if (sig_size) {
- chunk_size -= DCERPC_AUTH_TRAILER_LENGTH;
- chunk_size -= sig_size;
- }
- }
- chunk_size -= (chunk_size % 16);
-
- do {
- uint32_t length;
- struct data_blob_list_item *rep;
- struct ncacn_packet pkt;
-
- rep = talloc(call, struct data_blob_list_item);
- NT_STATUS_HAVE_NO_MEMORY(rep);
-
- length = MIN(chunk_size, stub.length);
-
- /* form the dcerpc response packet */
- dcesrv_init_hdr(&pkt, lp_rpc_big_endian(call->conn->dce_ctx->lp_ctx));
- pkt.auth_length = 0;
- pkt.call_id = call->pkt.call_id;
- pkt.ptype = DCERPC_PKT_RESPONSE;
- pkt.pfc_flags = 0;
- if (stub.length == total_length) {
- pkt.pfc_flags |= DCERPC_PFC_FLAG_FIRST;
- }
- if (length == stub.length) {
- pkt.pfc_flags |= DCERPC_PFC_FLAG_LAST;
- }
- pkt.u.response.alloc_hint = stub.length;
- pkt.u.response.context_id = call->pkt.u.request.context_id;
- pkt.u.response.cancel_count = 0;
- pkt.u.response.stub_and_verifier.data = stub.data;
- pkt.u.response.stub_and_verifier.length = length;
-
- if (!dcesrv_auth_response(call, &rep->blob, sig_size, &pkt)) {
- return dcesrv_fault(call, DCERPC_FAULT_OTHER);
- }
-
- dcerpc_set_frag_length(&rep->blob, rep->blob.length);
-
- DLIST_ADD_END(call->replies, rep, struct data_blob_list_item *);
-
- stub.data += length;
- stub.length -= length;
- } while (stub.length != 0);
-
- /* move the call from the pending to the finished calls list */
- dcesrv_call_set_list(call, DCESRV_LIST_CALL_LIST);
-
- if (call->conn->call_list && call->conn->call_list->replies) {
- if (call->conn->transport.report_output_data) {
- call->conn->transport.report_output_data(call->conn);
- }
- }
-
- return NT_STATUS_OK;
-}
-
-_PUBLIC_ struct socket_address *dcesrv_connection_get_my_addr(struct dcesrv_connection *conn, TALLOC_CTX *mem_ctx)
-{
- if (!conn->transport.get_my_addr) {
- return NULL;
- }
-
- return conn->transport.get_my_addr(conn, mem_ctx);
-}
-
-_PUBLIC_ struct socket_address *dcesrv_connection_get_peer_addr(struct dcesrv_connection *conn, TALLOC_CTX *mem_ctx)
-{
- if (!conn->transport.get_peer_addr) {
- return NULL;
- }
-
- return conn->transport.get_peer_addr(conn, mem_ctx);
-}
-
/*
remove the call from the right list when freed
return 0;
}
+_PUBLIC_ const struct tsocket_address *dcesrv_connection_get_local_address(struct dcesrv_connection *conn)
+{
+ return conn->local_address;
+}
+
+_PUBLIC_ const struct tsocket_address *dcesrv_connection_get_remote_address(struct dcesrv_connection *conn)
+{
+ return conn->remote_address;
+}
+
/*
process some input to a dcerpc endpoint server.
*/
return dcesrv_fault(call2, DCERPC_FAULT_OTHER);
}
- /* this is a continuation of an existing call - find the call then
- tack it on the end */
+ /* this is a continuation of an existing call - find the call
+ then tack it on the end */
call = dcesrv_find_fragmented_call(dce_conn, call2->pkt.call_id);
if (!call) {
return dcesrv_fault(call2, DCERPC_FAULT_OTHER);
void dcerpc_server_init(struct loadparm_context *lp_ctx)
{
static bool initialized;
- extern NTSTATUS dcerpc_server_wkssvc_init(void);
- extern NTSTATUS dcerpc_server_drsuapi_init(void);
- extern NTSTATUS dcerpc_server_winreg_init(void);
- extern NTSTATUS dcerpc_server_spoolss_init(void);
- extern NTSTATUS dcerpc_server_epmapper_init(void);
- extern NTSTATUS dcerpc_server_srvsvc_init(void);
- extern NTSTATUS dcerpc_server_netlogon_init(void);
- extern NTSTATUS dcerpc_server_rpcecho_init(void);
- extern NTSTATUS dcerpc_server_unixinfo_init(void);
- extern NTSTATUS dcerpc_server_samr_init(void);
- extern NTSTATUS dcerpc_server_remote_init(void);
- extern NTSTATUS dcerpc_server_lsa_init(void);
- extern NTSTATUS dcerpc_server_browser_init(void);
+#define _MODULE_PROTO(init) extern NTSTATUS init(void);
+ STATIC_dcerpc_server_MODULES_PROTO;
init_module_fn static_init[] = { STATIC_dcerpc_server_MODULES };
init_module_fn *shared_init;
}
initialized = true;
- shared_init = load_samba_modules(NULL, lp_ctx, "dcerpc_server");
+ shared_init = load_samba_modules(NULL, "dcerpc_server");
run_init_functions(static_init);
run_init_functions(shared_init);
return &critical_sizes;
}
+static void dcesrv_terminate_connection(struct dcesrv_connection *dce_conn, const char *reason)
+{
+ struct stream_connection *srv_conn;
+ srv_conn = talloc_get_type(dce_conn->transport.private_data,
+ struct stream_connection);
+
+ stream_terminate_connection(srv_conn, reason);
+}
+/* We need this include to be able to compile on some plateforms
+ * (ie. freebsd 7.2) as it seems that <sys/uio.h> is not included
+ * correctly.
+ * It has to be that deep because otherwise we have a conflict on
+ * const struct dcesrv_interface declaration.
+ * This is mostly due to socket_wrapper defining #define bind swrap_bind
+ * which conflict with the bind used before.
+ */
+#include "system/network.h"
+
+struct dcesrv_sock_reply_state {
+ struct dcesrv_connection *dce_conn;
+ struct dcesrv_call_state *call;
+ struct iovec iov;
+};
+
+static void dcesrv_sock_reply_done(struct tevent_req *subreq);
+
+static void dcesrv_sock_report_output_data(struct dcesrv_connection *dce_conn)
+{
+ struct dcesrv_call_state *call;
+
+ call = dce_conn->call_list;
+ if (!call || !call->replies) {
+ return;
+ }
+
+ while (call->replies) {
+ struct data_blob_list_item *rep = call->replies;
+ struct dcesrv_sock_reply_state *substate;
+ struct tevent_req *subreq;
+
+ substate = talloc(call, struct dcesrv_sock_reply_state);
+ if (!substate) {
+ dcesrv_terminate_connection(dce_conn, "no memory");
+ return;
+ }
+
+ substate->dce_conn = dce_conn;
+ substate->call = NULL;
+
+ DLIST_REMOVE(call->replies, rep);
+
+ if (call->replies == NULL) {
+ substate->call = call;
+ }
+
+ substate->iov.iov_base = (void *) rep->blob.data;
+ substate->iov.iov_len = rep->blob.length;
+
+ subreq = tstream_writev_queue_send(substate,
+ dce_conn->event_ctx,
+ dce_conn->stream,
+ dce_conn->send_queue,
+ &substate->iov, 1);
+ if (!subreq) {
+ dcesrv_terminate_connection(dce_conn, "no memory");
+ return;
+ }
+ tevent_req_set_callback(subreq, dcesrv_sock_reply_done,
+ substate);
+ }
+
+ DLIST_REMOVE(call->conn->call_list, call);
+ call->list = DCESRV_LIST_NONE;
+}
+
+static void dcesrv_sock_reply_done(struct tevent_req *subreq)
+{
+ struct dcesrv_sock_reply_state *substate = tevent_req_callback_data(subreq,
+ struct dcesrv_sock_reply_state);
+ int ret;
+ int sys_errno;
+ NTSTATUS status;
+ struct dcesrv_call_state *call = substate->call;
+
+ ret = tstream_writev_queue_recv(subreq, &sys_errno);
+ TALLOC_FREE(subreq);
+ if (ret == -1) {
+ status = map_nt_error_from_unix_common(sys_errno);
+ dcesrv_terminate_connection(substate->dce_conn, nt_errstr(status));
+ return;
+ }
+
+ talloc_free(substate);
+ if (call) {
+ talloc_free(call);
+ }
+}
+
+
+
+
+struct dcesrv_socket_context {
+ const struct dcesrv_endpoint *endpoint;
+ struct dcesrv_context *dcesrv_ctx;
+};
+
+
+static void dcesrv_read_fragment_done(struct tevent_req *subreq);
+
+static void dcesrv_sock_accept(struct stream_connection *srv_conn)
+{
+ NTSTATUS status;
+ struct dcesrv_socket_context *dcesrv_sock =
+ talloc_get_type(srv_conn->private_data, struct dcesrv_socket_context);
+ struct dcesrv_connection *dcesrv_conn = NULL;
+ int ret;
+ struct tevent_req *subreq;
+ struct loadparm_context *lp_ctx = dcesrv_sock->dcesrv_ctx->lp_ctx;
+
+ if (!srv_conn->session_info) {
+ status = auth_anonymous_session_info(srv_conn,
+ lp_ctx,
+ &srv_conn->session_info);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0,("dcesrv_sock_accept: auth_anonymous_session_info failed: %s\n",
+ nt_errstr(status)));
+ stream_terminate_connection(srv_conn, nt_errstr(status));
+ return;
+ }
+ }
+
+ status = dcesrv_endpoint_connect(dcesrv_sock->dcesrv_ctx,
+ srv_conn,
+ dcesrv_sock->endpoint,
+ srv_conn->session_info,
+ srv_conn->event.ctx,
+ srv_conn->msg_ctx,
+ srv_conn->server_id,
+ DCESRV_CALL_STATE_FLAG_MAY_ASYNC,
+ &dcesrv_conn);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0,("dcesrv_sock_accept: dcesrv_endpoint_connect failed: %s\n",
+ nt_errstr(status)));
+ stream_terminate_connection(srv_conn, nt_errstr(status));
+ return;
+ }
+
+ dcesrv_conn->transport.private_data = srv_conn;
+ dcesrv_conn->transport.report_output_data = dcesrv_sock_report_output_data;
+
+ TALLOC_FREE(srv_conn->event.fde);
+
+ dcesrv_conn->send_queue = tevent_queue_create(dcesrv_conn, "dcesrv send queue");
+ if (!dcesrv_conn->send_queue) {
+ status = NT_STATUS_NO_MEMORY;
+ DEBUG(0,("dcesrv_sock_accept: tevent_queue_create(%s)\n",
+ nt_errstr(status)));
+ stream_terminate_connection(srv_conn, nt_errstr(status));
+ return;
+ }
+
+ if (dcesrv_sock->endpoint->ep_description->transport == NCACN_NP) {
+ dcesrv_conn->auth_state.session_key = dcesrv_inherited_session_key;
+ dcesrv_conn->stream = talloc_move(dcesrv_conn,
+ &srv_conn->tstream);
+ } else {
+ ret = tstream_bsd_existing_socket(dcesrv_conn,
+ socket_get_fd(srv_conn->socket),
+ &dcesrv_conn->stream);
+ if (ret == -1) {
+ status = map_nt_error_from_unix_common(errno);
+ DEBUG(0, ("dcesrv_sock_accept: "
+ "failed to setup tstream: %s\n",
+ nt_errstr(status)));
+ stream_terminate_connection(srv_conn, nt_errstr(status));
+ return;
+ }
+ socket_set_flags(srv_conn->socket, SOCKET_FLAG_NOCLOSE);
+ }
+
+ dcesrv_conn->local_address = srv_conn->local_address;
+ dcesrv_conn->remote_address = srv_conn->remote_address;
+
+ srv_conn->private_data = dcesrv_conn;
+
+ irpc_add_name(srv_conn->msg_ctx, "rpc_server");
+
+ subreq = dcerpc_read_ncacn_packet_send(dcesrv_conn,
+ dcesrv_conn->event_ctx,
+ dcesrv_conn->stream);
+ if (!subreq) {
+ status = NT_STATUS_NO_MEMORY;
+ DEBUG(0,("dcesrv_sock_accept: dcerpc_read_fragment_buffer_send(%s)\n",
+ nt_errstr(status)));
+ stream_terminate_connection(srv_conn, nt_errstr(status));
+ return;
+ }
+ tevent_req_set_callback(subreq, dcesrv_read_fragment_done, dcesrv_conn);
+
+ return;
+}
+
+static void dcesrv_read_fragment_done(struct tevent_req *subreq)
+{
+ struct dcesrv_connection *dce_conn = tevent_req_callback_data(subreq,
+ struct dcesrv_connection);
+ struct ncacn_packet *pkt;
+ DATA_BLOB buffer;
+ NTSTATUS status;
+
+ status = dcerpc_read_ncacn_packet_recv(subreq, dce_conn,
+ &pkt, &buffer);
+ TALLOC_FREE(subreq);
+ if (!NT_STATUS_IS_OK(status)) {
+ dcesrv_terminate_connection(dce_conn, nt_errstr(status));
+ return;
+ }
+
+ status = dcesrv_process_ncacn_packet(dce_conn, pkt, buffer);
+ if (!NT_STATUS_IS_OK(status)) {
+ dcesrv_terminate_connection(dce_conn, nt_errstr(status));
+ return;
+ }
+
+ subreq = dcerpc_read_ncacn_packet_send(dce_conn,
+ dce_conn->event_ctx,
+ dce_conn->stream);
+ if (!subreq) {
+ status = NT_STATUS_NO_MEMORY;
+ dcesrv_terminate_connection(dce_conn, nt_errstr(status));
+ return;
+ }
+ tevent_req_set_callback(subreq, dcesrv_read_fragment_done, dce_conn);
+}
+
+static void dcesrv_sock_recv(struct stream_connection *conn, uint16_t flags)
+{
+ struct dcesrv_connection *dce_conn = talloc_get_type(conn->private_data,
+ struct dcesrv_connection);
+ dcesrv_terminate_connection(dce_conn, "dcesrv_sock_recv triggered");
+}
+
+static void dcesrv_sock_send(struct stream_connection *conn, uint16_t flags)
+{
+ struct dcesrv_connection *dce_conn = talloc_get_type(conn->private_data,
+ struct dcesrv_connection);
+ dcesrv_terminate_connection(dce_conn, "dcesrv_sock_send triggered");
+}
+
+
+static const struct stream_server_ops dcesrv_stream_ops = {
+ .name = "rpc",
+ .accept_connection = dcesrv_sock_accept,
+ .recv_handler = dcesrv_sock_recv,
+ .send_handler = dcesrv_sock_send,
+};
+
+static NTSTATUS dcesrv_add_ep_unix(struct dcesrv_context *dce_ctx,
+ struct loadparm_context *lp_ctx,
+ struct dcesrv_endpoint *e,
+ struct tevent_context *event_ctx, const struct model_ops *model_ops)
+{
+ struct dcesrv_socket_context *dcesrv_sock;
+ uint16_t port = 1;
+ NTSTATUS status;
+
+ dcesrv_sock = talloc(event_ctx, struct dcesrv_socket_context);
+ NT_STATUS_HAVE_NO_MEMORY(dcesrv_sock);
+
+ /* remember the endpoint of this socket */
+ dcesrv_sock->endpoint = e;
+ dcesrv_sock->dcesrv_ctx = talloc_reference(dcesrv_sock, dce_ctx);
+
+ status = stream_setup_socket(dcesrv_sock, event_ctx, lp_ctx,
+ model_ops, &dcesrv_stream_ops,
+ "unix", e->ep_description->endpoint, &port,
+ lpcfg_socket_options(lp_ctx),
+ dcesrv_sock);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0,("service_setup_stream_socket(path=%s) failed - %s\n",
+ e->ep_description->endpoint, nt_errstr(status)));
+ }
+
+ return status;
+}
+
+static NTSTATUS dcesrv_add_ep_ncalrpc(struct dcesrv_context *dce_ctx,
+ struct loadparm_context *lp_ctx,
+ struct dcesrv_endpoint *e,
+ struct tevent_context *event_ctx, const struct model_ops *model_ops)
+{
+ struct dcesrv_socket_context *dcesrv_sock;
+ uint16_t port = 1;
+ char *full_path;
+ NTSTATUS status;
+
+ if (!e->ep_description->endpoint) {
+ /* No identifier specified: use DEFAULT.
+ * DO NOT hardcode this value anywhere else. Rather, specify
+ * no endpoint and let the epmapper worry about it. */
+ e->ep_description->endpoint = talloc_strdup(dce_ctx, "DEFAULT");
+ }
+
+ full_path = talloc_asprintf(dce_ctx, "%s/%s", lpcfg_ncalrpc_dir(lp_ctx),
+ e->ep_description->endpoint);
+
+ dcesrv_sock = talloc(event_ctx, struct dcesrv_socket_context);
+ NT_STATUS_HAVE_NO_MEMORY(dcesrv_sock);
+
+ /* remember the endpoint of this socket */
+ dcesrv_sock->endpoint = e;
+ dcesrv_sock->dcesrv_ctx = talloc_reference(dcesrv_sock, dce_ctx);
+
+ status = stream_setup_socket(dcesrv_sock, event_ctx, lp_ctx,
+ model_ops, &dcesrv_stream_ops,
+ "unix", full_path, &port,
+ lpcfg_socket_options(lp_ctx),
+ dcesrv_sock);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0,("service_setup_stream_socket(identifier=%s,path=%s) failed - %s\n",
+ e->ep_description->endpoint, full_path, nt_errstr(status)));
+ }
+ return status;
+}
+
+static NTSTATUS dcesrv_add_ep_np(struct dcesrv_context *dce_ctx,
+ struct loadparm_context *lp_ctx,
+ struct dcesrv_endpoint *e,
+ struct tevent_context *event_ctx, const struct model_ops *model_ops)
+{
+ struct dcesrv_socket_context *dcesrv_sock;
+ NTSTATUS status;
+
+ if (e->ep_description->endpoint == NULL) {
+ DEBUG(0, ("Endpoint mandatory for named pipes\n"));
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ dcesrv_sock = talloc(event_ctx, struct dcesrv_socket_context);
+ NT_STATUS_HAVE_NO_MEMORY(dcesrv_sock);
+
+ /* remember the endpoint of this socket */
+ dcesrv_sock->endpoint = e;
+ dcesrv_sock->dcesrv_ctx = talloc_reference(dcesrv_sock, dce_ctx);
+
+ status = tstream_setup_named_pipe(dce_ctx, event_ctx, lp_ctx,
+ model_ops, &dcesrv_stream_ops,
+ e->ep_description->endpoint,
+ dcesrv_sock);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0,("stream_setup_named_pipe(pipe=%s) failed - %s\n",
+ e->ep_description->endpoint, nt_errstr(status)));
+ return status;
+ }
+
+ return NT_STATUS_OK;
+}
+
+/*
+ add a socket address to the list of events, one event per dcerpc endpoint
+*/
+static NTSTATUS add_socket_rpc_tcp_iface(struct dcesrv_context *dce_ctx, struct dcesrv_endpoint *e,
+ struct tevent_context *event_ctx, const struct model_ops *model_ops,
+ const char *address)
+{
+ struct dcesrv_socket_context *dcesrv_sock;
+ uint16_t port = 0;
+ NTSTATUS status;
+
+ if (e->ep_description->endpoint) {
+ port = atoi(e->ep_description->endpoint);
+ }
+
+ dcesrv_sock = talloc(event_ctx, struct dcesrv_socket_context);
+ NT_STATUS_HAVE_NO_MEMORY(dcesrv_sock);
+
+ /* remember the endpoint of this socket */
+ dcesrv_sock->endpoint = e;
+ dcesrv_sock->dcesrv_ctx = talloc_reference(dcesrv_sock, dce_ctx);
+
+ status = stream_setup_socket(dcesrv_sock, event_ctx, dce_ctx->lp_ctx,
+ model_ops, &dcesrv_stream_ops,
+ "ip", address, &port,
+ lpcfg_socket_options(dce_ctx->lp_ctx),
+ dcesrv_sock);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0,("service_setup_stream_socket(address=%s,port=%u) failed - %s\n",
+ address, port, nt_errstr(status)));
+ }
+
+ if (e->ep_description->endpoint == NULL) {
+ e->ep_description->endpoint = talloc_asprintf(dce_ctx, "%d", port);
+ }
+
+ return status;
+}
+
+#include "lib/socket/netif.h" /* Included here to work around the fact that socket_wrapper redefines bind() */
+
+static NTSTATUS dcesrv_add_ep_tcp(struct dcesrv_context *dce_ctx,
+ struct loadparm_context *lp_ctx,
+ struct dcesrv_endpoint *e,
+ struct tevent_context *event_ctx, const struct model_ops *model_ops)
+{
+ NTSTATUS status;
+
+ /* Add TCP/IP sockets */
+ if (lpcfg_interfaces(lp_ctx) && lpcfg_bind_interfaces_only(lp_ctx)) {
+ int num_interfaces;
+ int i;
+ struct interface *ifaces;
+
+ load_interface_list(dce_ctx, lp_ctx, &ifaces);
+
+ num_interfaces = iface_list_count(ifaces);
+ for(i = 0; i < num_interfaces; i++) {
+ const char *address = iface_list_n_ip(ifaces, i);
+ status = add_socket_rpc_tcp_iface(dce_ctx, e, event_ctx, model_ops, address);
+ NT_STATUS_NOT_OK_RETURN(status);
+ }
+ } else {
+ const char **wcard;
+ int i;
+ wcard = iface_list_wildcard(dce_ctx, lp_ctx);
+ NT_STATUS_HAVE_NO_MEMORY(wcard);
+ for (i=0; wcard[i]; i++) {
+ status = add_socket_rpc_tcp_iface(dce_ctx, e, event_ctx, model_ops, wcard[i]);
+ NT_STATUS_NOT_OK_RETURN(status);
+ }
+ talloc_free(wcard);
+ }
+
+ return NT_STATUS_OK;
+}
+
+NTSTATUS dcesrv_add_ep(struct dcesrv_context *dce_ctx,
+ struct loadparm_context *lp_ctx,
+ struct dcesrv_endpoint *e,
+ struct tevent_context *event_ctx,
+ const struct model_ops *model_ops)
+{
+ switch (e->ep_description->transport) {
+ case NCACN_UNIX_STREAM:
+ return dcesrv_add_ep_unix(dce_ctx, lp_ctx, e, event_ctx, model_ops);
+
+ case NCALRPC:
+ return dcesrv_add_ep_ncalrpc(dce_ctx, lp_ctx, e, event_ctx, model_ops);
+
+ case NCACN_IP_TCP:
+ return dcesrv_add_ep_tcp(dce_ctx, lp_ctx, e, event_ctx, model_ops);
+
+ case NCACN_NP:
+ return dcesrv_add_ep_np(dce_ctx, lp_ctx, e, event_ctx, model_ops);
+
+ default:
+ return NT_STATUS_NOT_SUPPORTED;
+ }
+}
+
+
+/**
+ * retrieve credentials from a dce_call
+ */
+_PUBLIC_ struct cli_credentials *dcesrv_call_credentials(struct dcesrv_call_state *dce_call)
+{
+ return dce_call->conn->auth_state.session_info->credentials;
+}
+
+/**
+ * returns true if this is an authenticated call
+ */
+_PUBLIC_ bool dcesrv_call_authenticated(struct dcesrv_call_state *dce_call)
+{
+ enum security_user_level level;
+ level = security_session_user_level(dce_call->conn->auth_state.session_info, NULL);
+ return level >= SECURITY_USER;
+}
+
+/**
+ * retrieve account_name for a dce_call
+ */
+_PUBLIC_ const char *dcesrv_call_account_name(struct dcesrv_call_state *dce_call)
+{
+ return dce_call->context->conn->auth_state.session_info->info->account_name;
+}
git.samba.org / samba.git / blobdiff