*/
#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"
+#include "librpc/gen_ndr/ndr_dcerpc.h"
-#define SAMBA_ASSOC_GROUP 0x12345678
+/* this is only used when the client asks for an unknown interface */
+#define DUMMY_ASSOC_GROUP 0x0FFFFFFF
extern const struct dcesrv_interface dcesrv_mgmt_interface;
+
+/*
+ find an association group given a assoc_group_id
+ */
+static struct dcesrv_assoc_group *dcesrv_assoc_group_find(struct dcesrv_context *dce_ctx,
+ uint32_t id)
+{
+ void *id_ptr;
+
+ id_ptr = idr_find(dce_ctx->assoc_groups_idr, id);
+ if (id_ptr == NULL) {
+ return NULL;
+ }
+ return talloc_get_type_abort(id_ptr, struct dcesrv_assoc_group);
+}
+
+/*
+ take a reference to an existing association group
+ */
+static struct dcesrv_assoc_group *dcesrv_assoc_group_reference(TALLOC_CTX *mem_ctx,
+ struct dcesrv_context *dce_ctx,
+ uint32_t id)
+{
+ struct dcesrv_assoc_group *assoc_group;
+
+ assoc_group = dcesrv_assoc_group_find(dce_ctx, id);
+ if (assoc_group == NULL) {
+ DEBUG(0,(__location__ ": Failed to find assoc_group 0x%08x\n", id));
+ return NULL;
+ }
+ 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
+ */
+static struct dcesrv_assoc_group *dcesrv_assoc_group_new(TALLOC_CTX *mem_ctx,
+ struct dcesrv_context *dce_ctx)
+{
+ struct dcesrv_assoc_group *assoc_group;
+ int id;
+
+ assoc_group = talloc_zero(mem_ctx, struct dcesrv_assoc_group);
+ if (assoc_group == NULL) {
+ return NULL;
+ }
+
+ id = idr_get_new_random(dce_ctx->assoc_groups_idr, assoc_group, UINT16_MAX);
+ if (id == -1) {
+ talloc_free(assoc_group);
+ DEBUG(0,(__location__ ": Out of association groups!\n"));
+ return NULL;
+ }
+
+ assoc_group->id = id;
+ assoc_group->dce_ctx = dce_ctx;
+
+ talloc_set_destructor(assoc_group, dcesrv_assoc_group_destructor);
+
+ return assoc_group;
+}
+
+
/*
see if two endpoints match
*/
static bool endpoints_match(const struct dcerpc_binding *ep1,
const struct dcerpc_binding *ep2)
{
- if (ep1->transport != ep2->transport) {
+ enum dcerpc_transport_t t1;
+ enum dcerpc_transport_t t2;
+ const char *e1;
+ const char *e2;
+
+ t1 = dcerpc_binding_get_transport(ep1);
+ t2 = dcerpc_binding_get_transport(ep2);
+
+ e1 = dcerpc_binding_get_string_option(ep1, "endpoint");
+ e2 = dcerpc_binding_get_string_option(ep2, "endpoint");
+
+ if (t1 != t2) {
return false;
}
- if (!ep1->endpoint || !ep2->endpoint) {
- return ep1->endpoint == ep2->endpoint;
+ if (!e1 || !e2) {
+ return e1 == e2;
}
- if (strcasecmp(ep1->endpoint, ep2->endpoint) != 0)
+ if (strcasecmp(e1, e2) != 0) {
return false;
+ }
return true;
}
return NT_STATUS_NO_MEMORY;
}
ZERO_STRUCTP(ep);
- ep->ep_description = talloc_reference(ep, binding);
+ ep->ep_description = talloc_move(ep, &binding);
add_ep = true;
/* add mgmt interface */
- ifl = talloc(dce_ctx, struct dcesrv_if_list);
+ ifl = talloc(ep, struct dcesrv_if_list);
if (!ifl) {
return NT_STATUS_NO_MEMORY;
}
}
/* talloc a new interface list element */
- ifl = talloc(dce_ctx, struct dcesrv_if_list);
+ ifl = talloc(ep, struct dcesrv_if_list);
if (!ifl) {
return NT_STATUS_NO_MEMORY;
}
* we try to set it
*/
if (ep->sd == NULL) {
- ep->sd = security_descriptor_copy(dce_ctx, sd);
+ ep->sd = security_descriptor_copy(ep, sd);
}
/* if now there's no security descriptor given on the endpoint
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
TALLOC_CTX *mem_ctx,
const struct dcesrv_endpoint *ep,
struct auth_session_info *session_info,
- struct event_context *event_ctx,
- struct messaging_context *msg_ctx,
+ struct tevent_context *event_ctx,
+ struct imessaging_context *msg_ctx,
struct server_id server_id,
uint32_t state_flags,
struct dcesrv_connection **_p)
return NT_STATUS_ACCESS_DENIED;
}
- p = talloc(mem_ctx, struct dcesrv_connection);
+ p = talloc_zero(mem_ctx, struct dcesrv_connection);
NT_STATUS_HAVE_NO_MEMORY(p);
if (!talloc_reference(p, session_info)) {
p->dce_ctx = dce_ctx;
p->endpoint = ep;
- p->contexts = NULL;
- p->call_list = NULL;
- p->packet_log_dir = lp_lockdir(dce_ctx->lp_ctx);
- p->incoming_fragmented_call_list = NULL;
- p->pending_call_list = NULL;
- p->cli_max_recv_frag = 0;
- p->partial_input = data_blob(NULL, 0);
- p->auth_state.auth_info = NULL;
- p->auth_state.gensec_security = NULL;
+ p->packet_log_dir = lpcfg_lock_directory(dce_ctx->lp_ctx);
p->auth_state.session_info = session_info;
p->auth_state.session_key = dcesrv_generic_session_key;
p->event_ctx = event_ctx;
p->msg_ctx = msg_ctx;
p->server_id = server_id;
- p->processing = false;
p->state_flags = state_flags;
- ZERO_STRUCT(p->transport);
*_p = p;
return NT_STATUS_OK;
}
-/*
- search and connect to a dcerpc endpoint
-*/
-_PUBLIC_ NTSTATUS dcesrv_endpoint_search_connect(struct dcesrv_context *dce_ctx,
- TALLOC_CTX *mem_ctx,
- const struct dcerpc_binding *ep_description,
- struct auth_session_info *session_info,
- struct event_context *event_ctx,
- struct messaging_context *msg_ctx,
- struct server_id server_id,
- uint32_t state_flags,
- struct dcesrv_connection **dce_conn_p)
-{
- NTSTATUS status;
- const struct dcesrv_endpoint *ep;
-
- /* make sure this endpoint exists */
- ep = find_endpoint(dce_ctx, ep_description);
- if (!ep) {
- return NT_STATUS_OBJECT_NAME_NOT_FOUND;
- }
-
- status = dcesrv_endpoint_connect(dce_ctx, mem_ctx, ep, session_info,
- event_ctx, msg_ctx, server_id,
- state_flags, dce_conn_p);
- NT_STATUS_NOT_OK_RETURN(status);
-
- (*dce_conn_p)->auth_state.session_key = dcesrv_inherited_session_key;
-
- /* TODO: check security descriptor of the endpoint here
- * if it's a smb named pipe
- * if it's failed free dce_conn_p
- */
-
- 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
case DCESRV_LIST_NONE:
break;
case DCESRV_LIST_CALL_LIST:
- DLIST_ADD_END(call->conn->call_list, call, struct dcesrv_call_state *);
+ DLIST_ADD_END(call->conn->call_list, call);
break;
case DCESRV_LIST_FRAGMENTED_CALL_LIST:
- DLIST_ADD_END(call->conn->incoming_fragmented_call_list, call, struct dcesrv_call_state *);
+ DLIST_ADD_END(call->conn->incoming_fragmented_call_list, call);
break;
case DCESRV_LIST_PENDING_CALL_LIST:
- DLIST_ADD_END(call->conn->pending_call_list, call, struct dcesrv_call_state *);
+ DLIST_ADD_END(call->conn->pending_call_list, call);
break;
}
}
-/*
- 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);
-
- return NT_STATUS_OK;
-}
-
/*
return a dcerpc bind_nak
static NTSTATUS dcesrv_bind_nak(struct dcesrv_call_state *call, uint32_t reason)
{
struct ncacn_packet pkt;
+ struct dcerpc_bind_nak_version version;
struct data_blob_list_item *rep;
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;
pkt.pfc_flags = DCERPC_PFC_FLAG_FIRST | DCERPC_PFC_FLAG_LAST;
pkt.u.bind_nak.reject_reason = reason;
- if (pkt.u.bind_nak.reject_reason == DECRPC_BIND_PROTOCOL_VERSION_NOT_SUPPORTED) {
- pkt.u.bind_nak.versions.v.num_versions = 0;
- }
+ version.rpc_vers = 5;
+ version.rpc_vers_minor = 0;
+ pkt.u.bind_nak.num_versions = 1;
+ pkt.u.bind_nak.versions = &version;
+ pkt.u.bind_nak._pad = data_blob_null;
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);
+ status = ncacn_push_auth(&rep->blob, call, &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 *);
+ DLIST_ADD_END(call->replies, rep);
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;
}
{
DLIST_REMOVE(c->conn->contexts, c);
- if (c->iface) {
+ if (c->iface && c->iface->unbind) {
c->iface->unbind(c, c->iface);
+ c->iface = NULL;
}
return 0;
}
+static void dcesrv_prepare_context_auth(struct dcesrv_call_state *dce_call)
+{
+ struct dcesrv_connection_context *context = dce_call->context;
+
+ context->min_auth_level = DCERPC_AUTH_LEVEL_NONE;
+}
+
+NTSTATUS dcesrv_interface_bind_require_integrity(struct dcesrv_call_state *dce_call,
+ const struct dcesrv_interface *iface)
+{
+ if (dce_call->context == NULL) {
+ return NT_STATUS_INTERNAL_ERROR;
+ }
+
+ dce_call->context->min_auth_level = DCERPC_AUTH_LEVEL_INTEGRITY;
+ return NT_STATUS_OK;
+}
+
+NTSTATUS dcesrv_interface_bind_require_privacy(struct dcesrv_call_state *dce_call,
+ const struct dcesrv_interface *iface)
+{
+ if (dce_call->context == NULL) {
+ return NT_STATUS_INTERNAL_ERROR;
+ }
+
+ dce_call->context->min_auth_level = DCERPC_AUTH_LEVEL_PRIVACY;
+ return NT_STATUS_OK;
+}
+
/*
handle a bind request
*/
uint32_t extra_flags = 0;
/*
- * Association groups allow policy handles to be shared across
- * multiple client connections. We don't implement this yet.
- *
- * So we just allow 0 if the client wants to create a new
- * association group.
- *
- * And we allow the 0x12345678 value, we give away as
- * assoc_group_id back to the clients
+ 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) &&
- call->pkt.u.bind.assoc_group_id != SAMBA_ASSOC_GROUP) {
+ 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);
}
transfer_syntax_version = call->pkt.u.bind.ctx_list[0].transfer_syntaxes[0].if_version;
transfer_syntax_uuid = &call->pkt.u.bind.ctx_list[0].transfer_syntaxes[0].uuid;
- if (!GUID_equal(&ndr_transfer_syntax.uuid, transfer_syntax_uuid) != 0 ||
- ndr_transfer_syntax.if_version != transfer_syntax_version) {
+ if (!GUID_equal(&ndr_transfer_syntax_ndr.uuid, transfer_syntax_uuid) != 0 ||
+ ndr_transfer_syntax_ndr.if_version != transfer_syntax_version) {
char *uuid_str = GUID_string(call, transfer_syntax_uuid);
/* we only do NDR encoded dcerpc */
DEBUG(0,("Non NDR transfer syntax requested - %s\n", uuid_str));
context->conn = call->conn;
context->iface = iface;
context->context_id = context_id;
- /*
- * we need to send a non zero assoc_group_id here to make longhorn happy,
- * it also matches samba3
- */
- context->assoc_group_id = SAMBA_ASSOC_GROUP;
- context->private = NULL;
- context->handles = NULL;
+ if (call->pkt.u.bind.assoc_group_id != 0) {
+ context->assoc_group = dcesrv_assoc_group_reference(context,
+ call->conn->dce_ctx,
+ call->pkt.u.bind.assoc_group_id);
+ } else {
+ context->assoc_group = dcesrv_assoc_group_new(context, call->conn->dce_ctx);
+ }
+ if (context->assoc_group == NULL) {
+ talloc_free(context);
+ return dcesrv_bind_nak(call, 0);
+ }
+ context->private_data = NULL;
DLIST_ADD(call->conn->contexts, context);
call->context = context;
talloc_set_destructor(context, dcesrv_connection_context_destructor);
- status = iface->bind(call, iface);
+ dcesrv_prepare_context_auth(call);
+
+ 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->conn->cli_max_recv_frag == 0) {
- call->conn->cli_max_recv_frag = call->pkt.u.bind.max_recv_frag;
+ call->conn->cli_max_recv_frag = MIN(0x2000, call->pkt.u.bind.max_recv_frag);
+ }
+
+ if ((call->pkt.pfc_flags & DCERPC_PFC_FLAG_CONC_MPX) &&
+ (call->state_flags & DCESRV_CALL_STATE_FLAG_MULTIPLEXED)) {
+ call->context->conn->state_flags |= DCESRV_CALL_STATE_FLAG_MULTIPLEXED;
+ extra_flags |= DCERPC_PFC_FLAG_CONC_MPX;
}
- 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)) {
- call->conn->state_flags |= DCESRV_CALL_STATE_FLAG_HEADER_SIGNING;
- extra_flags |= DCERPC_PFC_FLAG_SUPPORT_HEADER_SIGN;
+ if (call->state_flags & DCESRV_CALL_STATE_FLAG_PROCESS_PENDING_CALL) {
+ call->context->conn->state_flags |= DCESRV_CALL_STATE_FLAG_PROCESS_PENDING_CALL;
}
/* handle any authentication that is being requested */
}
/* 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;
pkt.pfc_flags = DCERPC_PFC_FLAG_FIRST | DCERPC_PFC_FLAG_LAST | extra_flags;
- pkt.u.bind_ack.max_xmit_frag = 0x2000;
+ pkt.u.bind_ack.max_xmit_frag = call->conn->cli_max_recv_frag;
pkt.u.bind_ack.max_recv_frag = 0x2000;
/*
metze
*/
if (call->context) {
- pkt.u.bind_ack.assoc_group_id = call->context->assoc_group_id;
+ pkt.u.bind_ack.assoc_group_id = call->context->assoc_group->id;
} else {
- /* we better pick something - this chosen so as to send a non zero assoc_group_id (matching windows), it also matches samba3 */
- pkt.u.bind_ack.assoc_group_id = SAMBA_ASSOC_GROUP;
+ pkt.u.bind_ack.assoc_group_id = DUMMY_ASSOC_GROUP;
}
if (iface) {
return NT_STATUS_NO_MEMORY;
}
pkt.u.bind_ack.ctx_list[0].result = result;
- pkt.u.bind_ack.ctx_list[0].reason = reason;
- pkt.u.bind_ack.ctx_list[0].syntax = ndr_transfer_syntax;
+ pkt.u.bind_ack.ctx_list[0].reason.value = reason;
+ pkt.u.bind_ack.ctx_list[0].syntax = ndr_transfer_syntax_ndr;
pkt.u.bind_ack.auth_info = data_blob(NULL, 0);
status = dcesrv_auth_bind_ack(call, &pkt);
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;
dcerpc_set_frag_length(&rep->blob, rep->blob.length);
- DLIST_ADD_END(call->replies, rep, struct data_blob_list_item *);
+ DLIST_ADD_END(call->replies, rep);
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;
}
transfer_syntax_version = call->pkt.u.alter.ctx_list[0].transfer_syntaxes[0].if_version;
transfer_syntax_uuid = &call->pkt.u.alter.ctx_list[0].transfer_syntaxes[0].uuid;
- if (!GUID_equal(transfer_syntax_uuid, &ndr_transfer_syntax.uuid) ||
- ndr_transfer_syntax.if_version != transfer_syntax_version) {
+ if (!GUID_equal(transfer_syntax_uuid, &ndr_transfer_syntax_ndr.uuid) ||
+ ndr_transfer_syntax_ndr.if_version != transfer_syntax_version) {
/* we only do NDR encoded dcerpc */
return NT_STATUS_RPC_PROTSEQ_NOT_SUPPORTED;
}
context->conn = call->conn;
context->iface = iface;
context->context_id = context_id;
- context->assoc_group_id = SAMBA_ASSOC_GROUP;
- context->private = NULL;
- context->handles = NULL;
+ if (call->pkt.u.alter.assoc_group_id != 0) {
+ context->assoc_group = dcesrv_assoc_group_reference(context,
+ call->conn->dce_ctx,
+ call->pkt.u.alter.assoc_group_id);
+ } else {
+ context->assoc_group = dcesrv_assoc_group_new(context, call->conn->dce_ctx);
+ }
+ if (context->assoc_group == NULL) {
+ talloc_free(context);
+ call->context = NULL;
+ return NT_STATUS_NO_MEMORY;
+ }
+ context->private_data = NULL;
DLIST_ADD(call->conn->contexts, context);
call->context = context;
talloc_set_destructor(context, dcesrv_connection_context_destructor);
- status = iface->bind(call, iface);
+ dcesrv_prepare_context_auth(call);
+
+ 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;
return NT_STATUS_OK;
}
-
-/*
- handle a alter context request
-*/
-static NTSTATUS dcesrv_alter(struct dcesrv_call_state *call)
+/* setup and send an alter_resp */
+static NTSTATUS dcesrv_alter_resp(struct dcesrv_call_state *call,
+ uint32_t result,
+ uint32_t reason)
{
struct ncacn_packet pkt;
- struct data_blob_list_item *rep;
+ uint32_t extra_flags = 0;
+ struct data_blob_list_item *rep = NULL;
NTSTATUS status;
- uint32_t result=0, reason=0;
- uint32_t context_id;
-
- /* handle any authentication that is being requested */
- if (!dcesrv_auth_alter(call)) {
- /* TODO: work out the right reject code */
- result = DCERPC_BIND_PROVIDER_REJECT;
- reason = DCERPC_BIND_REASON_ASYNTAX;
- }
- context_id = call->pkt.u.alter.ctx_list[0].context_id;
-
- /* see if they are asking for a new interface */
- if (result == 0) {
- call->context = dcesrv_find_context(call->conn, context_id);
- if (!call->context) {
- status = dcesrv_alter_new_context(call, context_id);
- if (!NT_STATUS_IS_OK(status)) {
- result = DCERPC_BIND_PROVIDER_REJECT;
- reason = DCERPC_BIND_REASON_ASYNTAX;
- }
- }
- }
-
- 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) &&
- call->pkt.u.alter.assoc_group_id != call->context->assoc_group_id) {
- /* TODO: work out what to return here */
- result = DCERPC_BIND_PROVIDER_REJECT;
- reason = DCERPC_BIND_REASON_ASYNTAX;
- }
-
- /* 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;
- pkt.pfc_flags = DCERPC_PFC_FLAG_FIRST | DCERPC_PFC_FLAG_LAST;
+ if (result == 0) {
+ if ((call->pkt.pfc_flags & DCERPC_PFC_FLAG_CONC_MPX) &&
+ call->context->conn->state_flags &
+ DCESRV_CALL_STATE_FLAG_MULTIPLEXED) {
+ extra_flags |= DCERPC_PFC_FLAG_CONC_MPX;
+ }
+ if (call->state_flags & DCESRV_CALL_STATE_FLAG_PROCESS_PENDING_CALL) {
+ call->context->conn->state_flags |=
+ DCESRV_CALL_STATE_FLAG_PROCESS_PENDING_CALL;
+ }
+ }
+ pkt.pfc_flags = DCERPC_PFC_FLAG_FIRST | DCERPC_PFC_FLAG_LAST | extra_flags;
pkt.u.alter_resp.max_xmit_frag = 0x2000;
pkt.u.alter_resp.max_recv_frag = 0x2000;
if (result == 0) {
- pkt.u.alter_resp.assoc_group_id = call->context->assoc_group_id;
+ pkt.u.alter_resp.assoc_group_id = call->context->assoc_group->id;
} else {
pkt.u.alter_resp.assoc_group_id = 0;
}
return NT_STATUS_NO_MEMORY;
}
pkt.u.alter_resp.ctx_list[0].result = result;
- pkt.u.alter_resp.ctx_list[0].reason = reason;
- pkt.u.alter_resp.ctx_list[0].syntax = ndr_transfer_syntax;
+ pkt.u.alter_resp.ctx_list[0].reason.value = reason;
+ pkt.u.alter_resp.ctx_list[0].syntax = ndr_transfer_syntax_ndr;
pkt.u.alter_resp.auth_info = data_blob(NULL, 0);
pkt.u.alter_resp.secondary_address = "";
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;
}
dcerpc_set_frag_length(&rep->blob, rep->blob.length);
- DLIST_ADD_END(call->replies, rep, struct data_blob_list_item *);
+ DLIST_ADD_END(call->replies, rep);
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;
}
+/*
+ handle a alter context request
+*/
+static NTSTATUS dcesrv_alter(struct dcesrv_call_state *call)
+{
+ NTSTATUS status;
+ uint32_t context_id;
+
+ /* handle any authentication that is being requested */
+ if (!dcesrv_auth_alter(call)) {
+ /* TODO: work out the right reject code */
+ return dcesrv_alter_resp(call,
+ DCERPC_BIND_PROVIDER_REJECT,
+ DCERPC_BIND_REASON_ASYNTAX);
+ }
+
+ context_id = call->pkt.u.alter.ctx_list[0].context_id;
+
+ /* see if they are asking for a new interface */
+ call->context = dcesrv_find_context(call->conn, context_id);
+ if (!call->context) {
+ status = dcesrv_alter_new_context(call, context_id);
+ if (!NT_STATUS_IS_OK(status)) {
+ return dcesrv_alter_resp(call,
+ DCERPC_BIND_PROVIDER_REJECT,
+ DCERPC_BIND_REASON_ASYNTAX);
+ }
+ }
+
+ if (call->pkt.u.alter.assoc_group_id != 0 &&
+ 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));
+ /* TODO: can they ask for a new association group? */
+ return dcesrv_alter_resp(call,
+ DCERPC_BIND_PROVIDER_REJECT,
+ DCERPC_BIND_REASON_ASYNTAX);
+ }
+
+ return dcesrv_alter_resp(call,
+ DCERPC_BIND_ACK_RESULT_ACCEPTANCE,
+ DCERPC_BIND_ACK_REASON_NOT_SPECIFIED);
+}
+
+/*
+ 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
+}
+
+static NTSTATUS dcesrv_check_verification_trailer(struct dcesrv_call_state *call)
+{
+ TALLOC_CTX *frame = talloc_stackframe();
+ const uint32_t bitmask1 = call->conn->auth_state.client_hdr_signing ?
+ DCERPC_SEC_VT_CLIENT_SUPPORTS_HEADER_SIGNING : 0;
+ const struct dcerpc_sec_vt_pcontext pcontext = {
+ .abstract_syntax = call->context->iface->syntax_id,
+ .transfer_syntax = ndr_transfer_syntax_ndr,
+ };
+ const struct dcerpc_sec_vt_header2 header2 =
+ dcerpc_sec_vt_header2_from_ncacn_packet(&call->pkt);
+ enum ndr_err_code ndr_err;
+ struct dcerpc_sec_verification_trailer *vt = NULL;
+ NTSTATUS status = NT_STATUS_OK;
+ bool ok;
+
+ SMB_ASSERT(call->pkt.ptype == DCERPC_PKT_REQUEST);
+
+ ndr_err = ndr_pop_dcerpc_sec_verification_trailer(call->ndr_pull,
+ frame, &vt);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ status = ndr_map_error2ntstatus(ndr_err);
+ goto done;
+ }
+
+ ok = dcerpc_sec_verification_trailer_check(vt, &bitmask1,
+ &pcontext, &header2);
+ if (!ok) {
+ status = NT_STATUS_ACCESS_DENIED;
+ goto done;
+ }
+done:
+ TALLOC_FREE(frame);
+ return status;
+}
+
/*
handle a dcerpc request packet
*/
static NTSTATUS dcesrv_request(struct dcesrv_call_state *call)
{
+ const struct dcesrv_endpoint *endpoint = call->conn->endpoint;
+ enum dcerpc_transport_t transport =
+ dcerpc_binding_get_transport(endpoint->ep_description);
struct ndr_pull *pull;
NTSTATUS status;
struct dcesrv_connection_context *context;
+ uint32_t auth_type = DCERPC_AUTH_TYPE_NONE;
+ uint32_t auth_level = DCERPC_AUTH_LEVEL_NONE;
/* if authenticated, and the mech we use can't do async replies, don't use them... */
if (call->conn->auth_state.gensec_security &&
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));
+ if (call->conn->auth_state.auth_info != NULL) {
+ auth_type = call->conn->auth_state.auth_info->auth_type;
+ auth_level = call->conn->auth_state.auth_info->auth_level;
+ }
+
+ if (auth_level < context->min_auth_level) {
+ char *addr;
+
+ addr = tsocket_address_string(call->conn->remote_address, call);
+
+ DEBUG(2, ("%s: restrict access by min_auth_level[0x%x] "
+ "to [%s] with auth[type=0x%x,level=0x%x] "
+ "on [%s] from [%s]\n",
+ __func__,
+ context->min_auth_level,
+ context->iface->name,
+ auth_type, auth_level,
+ derpc_transport_string_by_transport(transport),
+ addr));
+ return dcesrv_fault(call, DCERPC_FAULT_ACCESS_DENIED);
+ }
+
+ 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;
pull->flags |= LIBNDR_FLAG_BIGENDIAN;
}
+ status = dcesrv_check_verification_trailer(call);
+ if (!NT_STATUS_IS_OK(status)) {
+ uint32_t faultcode = DCERPC_FAULT_OTHER;
+ if (NT_STATUS_EQUAL(status, NT_STATUS_ACCESS_DENIED)) {
+ faultcode = DCERPC_FAULT_ACCESS_DENIED;
+ }
+ DEBUG(10, ("dcesrv_check_verification_trailer failed: %s\n",
+ nt_errstr(status)));
+ return dcesrv_fault(call, faultcode);
+ }
+
/* 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);
- }
+/*
+ remove the call from the right list when freed
+ */
+static int dcesrv_call_dequeue(struct dcesrv_call_state *call)
+{
+ dcesrv_call_set_list(call, DCESRV_LIST_NONE);
+ return 0;
+}
- /* 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);
+_PUBLIC_ const struct tsocket_address *dcesrv_connection_get_local_address(struct dcesrv_connection *conn)
+{
+ return conn->local_address;
+}
- /* 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);
-}
-
-/*
- work out if we have a full packet yet
-*/
-static bool dce_full_packet(const DATA_BLOB *data)
-{
- if (data->length < DCERPC_FRAG_LEN_OFFSET+2) {
- return false;
- }
- if (dcerpc_get_frag_length(data) > data->length) {
- return false;
- }
- return true;
-}
-
-/*
- we might have consumed only part of our input - advance past that part
-*/
-static void dce_partial_advance(struct dcesrv_connection *dce_conn, uint32_t offset)
-{
- DATA_BLOB blob;
-
- if (dce_conn->partial_input.length == offset) {
- data_blob_free(&dce_conn->partial_input);
- return;
- }
-
- blob = dce_conn->partial_input;
- dce_conn->partial_input = data_blob(blob.data + offset,
- blob.length - offset);
- data_blob_free(&blob);
-}
-
-/*
- remove the call from the right list when freed
- */
-static int dcesrv_call_dequeue(struct dcesrv_call_state *call)
-{
- dcesrv_call_set_list(call, DCESRV_LIST_NONE);
- return 0;
-}
+_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.
*/
-NTSTATUS dcesrv_input_process(struct dcesrv_connection *dce_conn)
+NTSTATUS dcesrv_process_ncacn_packet(struct dcesrv_connection *dce_conn,
+ struct ncacn_packet *pkt,
+ DATA_BLOB blob)
{
- struct ndr_pull *ndr;
- enum ndr_err_code ndr_err;
NTSTATUS status;
struct dcesrv_call_state *call;
- DATA_BLOB blob;
call = talloc_zero(dce_conn, struct dcesrv_call_state);
if (!call) {
- talloc_free(dce_conn->partial_input.data);
+ data_blob_free(&blob);
+ talloc_free(pkt);
return NT_STATUS_NO_MEMORY;
}
call->conn = dce_conn;
call->time = timeval_current();
call->list = DCESRV_LIST_NONE;
- talloc_set_destructor(call, dcesrv_call_dequeue);
-
- blob = dce_conn->partial_input;
- blob.length = dcerpc_get_frag_length(&blob);
-
- ndr = ndr_pull_init_blob(&blob, call, lp_iconv_convenience(call->conn->dce_ctx->lp_ctx));
- if (!ndr) {
- talloc_free(dce_conn->partial_input.data);
- talloc_free(call);
- return NT_STATUS_NO_MEMORY;
- }
-
- if (!(CVAL(blob.data, DCERPC_DREP_OFFSET) & DCERPC_DREP_LE)) {
- ndr->flags |= LIBNDR_FLAG_BIGENDIAN;
- }
-
- if (CVAL(blob.data, DCERPC_PFC_OFFSET) & DCERPC_PFC_FLAG_OBJECT_UUID) {
- ndr->flags |= LIBNDR_FLAG_OBJECT_PRESENT;
- }
+ talloc_steal(call, pkt);
+ talloc_steal(call, blob.data);
+ call->pkt = *pkt;
- ndr_err = ndr_pull_ncacn_packet(ndr, NDR_SCALARS|NDR_BUFFERS, &call->pkt);
- if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
- talloc_free(dce_conn->partial_input.data);
- talloc_free(call);
- return ndr_map_error2ntstatus(ndr_err);
- }
+ talloc_set_destructor(call, dcesrv_call_dequeue);
/* we have to check the signing here, before combining the
pdus */
if (call->pkt.ptype == DCERPC_PKT_REQUEST &&
!dcesrv_auth_request(call, &blob)) {
- dce_partial_advance(dce_conn, blob.length);
return dcesrv_fault(call, DCERPC_FAULT_ACCESS_DENIED);
}
- dce_partial_advance(dce_conn, blob.length);
-
/* see if this is a continued packet */
if (call->pkt.ptype == DCERPC_PKT_REQUEST &&
!(call->pkt.pfc_flags & DCERPC_PFC_FLAG_FIRST)) {
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);
if (call->pkt.ptype != call2->pkt.ptype) {
/* trying to play silly buggers are we? */
- return dcesrv_fault(call2, DCERPC_FAULT_OTHER);
+ return dcesrv_fault(call2, DCERPC_NCA_S_PROTO_ERROR);
+ }
+ if (memcmp(call->pkt.drep, call2->pkt.drep, sizeof(pkt->drep)) != 0) {
+ return dcesrv_fault(call2, DCERPC_NCA_S_PROTO_ERROR);
+ }
+ if (call->pkt.call_id != call2->pkt.call_id) {
+ return dcesrv_fault(call2, DCERPC_NCA_S_PROTO_ERROR);
+ }
+ if (call->pkt.u.request.context_id != call2->pkt.u.request.context_id) {
+ return dcesrv_fault(call2, DCERPC_NCA_S_PROTO_ERROR);
+ }
+ if (call->pkt.u.request.opnum != call2->pkt.u.request.opnum) {
+ return dcesrv_fault(call2, DCERPC_NCA_S_PROTO_ERROR);
}
alloc_size = call->pkt.u.request.stub_and_verifier.length +
return status;
}
-
-/*
- provide some input to a dcerpc endpoint server. This passes data
- from a dcerpc client into the server
-*/
-_PUBLIC_ NTSTATUS dcesrv_input(struct dcesrv_connection *dce_conn, const DATA_BLOB *data)
-{
- NTSTATUS status;
-
- dce_conn->partial_input.data = talloc_realloc(dce_conn,
- dce_conn->partial_input.data,
- uint8_t,
- dce_conn->partial_input.length + data->length);
- if (!dce_conn->partial_input.data) {
- return NT_STATUS_NO_MEMORY;
- }
- memcpy(dce_conn->partial_input.data + dce_conn->partial_input.length,
- data->data, data->length);
- dce_conn->partial_input.length += data->length;
-
- while (dce_full_packet(&dce_conn->partial_input)) {
- status = dcesrv_input_process(dce_conn);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
- }
-
- return NT_STATUS_OK;
-}
-
-/*
- retrieve some output from a dcerpc server
- The caller supplies a function that will be called to do the
- actual output.
-
- The first argument to write_fn() will be 'private', the second will
- be a pointer to a buffer containing the data to be sent and the 3rd
- will be a pointer to a size_t variable that will be set to the
- number of bytes that are consumed from the output.
-
- from the current fragment
-*/
-_PUBLIC_ NTSTATUS dcesrv_output(struct dcesrv_connection *dce_conn,
- void *private_data,
- NTSTATUS (*write_fn)(void *private_data, DATA_BLOB *output, size_t *nwritten))
-{
- NTSTATUS status;
- struct dcesrv_call_state *call;
- struct data_blob_list_item *rep;
- size_t nwritten;
-
- call = dce_conn->call_list;
- if (!call || !call->replies) {
- if (dce_conn->pending_call_list) {
- /* TODO: we need to say act async here
- * as we know we have pending requests
- * which will be finished at a time
- */
- return NT_STATUS_FOOBAR;
- }
- return NT_STATUS_FOOBAR;
- }
- rep = call->replies;
-
- status = write_fn(private_data, &rep->blob, &nwritten);
- NT_STATUS_IS_ERR_RETURN(status);
-
- rep->blob.length -= nwritten;
- rep->blob.data += nwritten;
-
- if (rep->blob.length == 0) {
- /* we're done with this section of the call */
- DLIST_REMOVE(call->replies, rep);
- }
-
- if (call->replies == NULL) {
- /* we're done with the whole call */
- dcesrv_call_set_list(call, DCESRV_LIST_NONE);
- talloc_free(call);
- }
-
- return status;
-}
-
_PUBLIC_ NTSTATUS dcesrv_init_context(TALLOC_CTX *mem_ctx,
struct loadparm_context *lp_ctx,
const char **endpoint_servers, struct dcesrv_context **_dce_ctx)
dce_ctx = talloc(mem_ctx, struct dcesrv_context);
NT_STATUS_HAVE_NO_MEMORY(dce_ctx);
+
+ if (uid_wrapper_enabled()) {
+ setenv("UID_WRAPPER_MYUID", "1", 1);
+ }
+ dce_ctx->initial_euid = geteuid();
+ if (uid_wrapper_enabled()) {
+ unsetenv("UID_WRAPPER_MYUID");
+ }
+
dce_ctx->endpoint_list = NULL;
dce_ctx->lp_ctx = lp_ctx;
+ dce_ctx->assoc_groups_idr = idr_init(dce_ctx);
+ NT_STATUS_HAVE_NO_MEMORY(dce_ctx->assoc_groups_idr);
+ dce_ctx->broken_connections = NULL;
for (i=0;endpoint_servers[i];i++) {
const struct dcesrv_endpoint_server *ep_server;
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 dcesrv_context *dce_ctx = dce_conn->dce_ctx;
+ struct stream_connection *srv_conn;
+ srv_conn = talloc_get_type(dce_conn->transport.private_data,
+ struct stream_connection);
+
+ if (dce_conn->pending_call_list == NULL) {
+ char *full_reason = talloc_asprintf(dce_conn, "dcesrv: %s", reason);
+
+ DLIST_REMOVE(dce_ctx->broken_connections, dce_conn);
+ stream_terminate_connection(srv_conn, full_reason ? full_reason : reason);
+ return;
+ }
+
+ if (dce_conn->terminate != NULL) {
+ return;
+ }
+
+ DEBUG(3,("dcesrv: terminating connection due to '%s' defered due to pending calls\n",
+ reason));
+ dce_conn->terminate = talloc_strdup(dce_conn, reason);
+ if (dce_conn->terminate == NULL) {
+ dce_conn->terminate = "dcesrv: defered terminating connection - no memory";
+ }
+ DLIST_ADD_END(dce_ctx->broken_connections, dce_conn);
+}
+
+static void dcesrv_cleanup_broken_connections(struct dcesrv_context *dce_ctx)
+{
+ struct dcesrv_connection *cur, *next;
+
+ next = dce_ctx->broken_connections;
+ while (next != NULL) {
+ cur = next;
+ next = cur->next;
+
+ if (cur->state_flags & DCESRV_CALL_STATE_FLAG_PROCESS_PENDING_CALL) {
+ struct dcesrv_connection_context *context_cur, *context_next;
+
+ context_next = cur->contexts;
+ while (context_next != NULL) {
+ context_cur = context_next;
+ context_next = context_cur->next;
+
+ dcesrv_connection_context_destructor(context_cur);
+ }
+ }
+
+ dcesrv_terminate_connection(cur, cur->terminate);
+ }
+}
+
+/* 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);
+ enum dcerpc_transport_t transport =
+ dcerpc_binding_get_transport(dcesrv_sock->endpoint->ep_description);
+ struct dcesrv_connection *dcesrv_conn = NULL;
+ int ret;
+ struct tevent_req *subreq;
+ struct loadparm_context *lp_ctx = dcesrv_sock->dcesrv_ctx->lp_ctx;
+
+ dcesrv_cleanup_broken_connections(dcesrv_sock->dcesrv_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 (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;
+
+ if (transport == NCALRPC) {
+ uid_t uid;
+ gid_t gid;
+
+ ret = getpeereid(socket_get_fd(srv_conn->socket), &uid, &gid);
+ if (ret == -1) {
+ status = map_nt_error_from_unix_common(errno);
+ DEBUG(0, ("dcesrv_sock_accept: "
+ "getpeereid() failed for NCALRPC: %s\n",
+ nt_errstr(status)));
+ stream_terminate_connection(srv_conn, nt_errstr(status));
+ return;
+ }
+ if (uid == dcesrv_conn->dce_ctx->initial_euid) {
+ struct tsocket_address *r = NULL;
+
+ ret = tsocket_address_unix_from_path(dcesrv_conn,
+ "/root/ncalrpc_as_system",
+ &r);
+ if (ret == -1) {
+ status = map_nt_error_from_unix_common(errno);
+ DEBUG(0, ("dcesrv_sock_accept: "
+ "tsocket_address_unix_from_path() failed for NCALRPC: %s\n",
+ nt_errstr(status)));
+ stream_terminate_connection(srv_conn, nt_errstr(status));
+ return;
+ }
+ dcesrv_conn->remote_address = r;
+ }
+ }
+
+ 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 dcesrv_context *dce_ctx = dce_conn->dce_ctx;
+ struct ncacn_packet *pkt;
+ DATA_BLOB buffer;
+ NTSTATUS status;
+
+ if (dce_conn->terminate) {
+ /*
+ * if the current connection is broken
+ * we need to clean it up before any other connection
+ */
+ dcesrv_terminate_connection(dce_conn, dce_conn->terminate);
+ dcesrv_cleanup_broken_connections(dce_ctx);
+ return;
+ }
+
+ dcesrv_cleanup_broken_connections(dce_ctx);
+
+ 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;
+ const char *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);
+
+ endpoint = dcerpc_binding_get_string_option(e->ep_description, "endpoint");
+
+ status = stream_setup_socket(dcesrv_sock, event_ctx, lp_ctx,
+ model_ops, &dcesrv_stream_ops,
+ "unix", 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",
+ 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;
+ const char *endpoint;
+
+ endpoint = dcerpc_binding_get_string_option(e->ep_description, "endpoint");
+
+ if (endpoint == NULL) {
+ /*
+ * No identifier specified: use DEFAULT.
+ *
+ * TODO: DO NOT hardcode this value anywhere else. Rather, specify
+ * no endpoint and let the epmapper worry about it.
+ */
+ endpoint = "DEFAULT";
+ status = dcerpc_binding_set_string_option(e->ep_description,
+ "endpoint",
+ endpoint);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0,("dcerpc_binding_set_string_option() failed - %s\n",
+ nt_errstr(status)));
+ return status;
+ }
+ }
+
+ full_path = talloc_asprintf(dce_ctx, "%s/%s", lpcfg_ncalrpc_dir(lp_ctx),
+ 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",
+ 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;
+ const char *endpoint;
+
+ endpoint = dcerpc_binding_get_string_option(e->ep_description, "endpoint");
+ if (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,
+ endpoint,
+ dcesrv_sock);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0,("stream_setup_named_pipe(pipe=%s) failed - %s\n",
+ endpoint, nt_errstr(status)));
+ return status;
+ }
+
+ return NT_STATUS_OK;
+}
+
/*
- initialise the dcerpc server context for ncacn_np based services
+ add a socket address to the list of events, one event per dcerpc endpoint
*/
-_PUBLIC_ NTSTATUS dcesrv_init_ipc_context(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx,
- struct dcesrv_context **_dce_ctx)
+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;
- struct dcesrv_context *dce_ctx;
+ const char *endpoint;
+ char port_str[6];
- dcerpc_server_init(lp_ctx);
+ endpoint = dcerpc_binding_get_string_option(e->ep_description, "endpoint");
+ if (endpoint != NULL) {
+ port = atoi(endpoint);
+ }
- status = dcesrv_init_context(mem_ctx, lp_ctx, lp_dcerpc_endpoint_servers(lp_ctx), &dce_ctx);
- NT_STATUS_NOT_OK_RETURN(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, 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)));
+ return status;
+ }
+
+ snprintf(port_str, sizeof(port_str), "%u", port);
+
+ status = dcerpc_binding_set_string_option(e->ep_description,
+ "endpoint", port_str);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0,("dcerpc_binding_set_string_option(endpoint, %s) failed - %s\n",
+ port_str, nt_errstr(status)));
+ return status;
+ }
- *_dce_ctx = dce_ctx;
return NT_STATUS_OK;
}
+#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 {
+ char **wcard;
+ int i;
+ int num_binds = 0;
+ wcard = iface_list_wildcard(dce_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]);
+ if (NT_STATUS_IS_OK(status)) {
+ num_binds++;
+ }
+ }
+ talloc_free(wcard);
+ if (num_binds == 0) {
+ return NT_STATUS_INVALID_PARAMETER_MIX;
+ }
+ }
+
+ 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)
+{
+ enum dcerpc_transport_t transport =
+ dcerpc_binding_get_transport(e->ep_description);
+
+ switch (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