server side dcerpc core code
Copyright (C) Andrew Tridgell 2003
+ Copyright (C) Stefan (metze) Metzmacher 2004
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 "librpc/gen_ndr/ndr_epmapper.h"
+#include "librpc/gen_ndr/ndr_oxidresolver.h"
+#include "auth/auth.h"
+#include "dlinklist.h"
+#include "rpc_server/dcerpc_server.h"
/*
- find the set of endpoint operations for an endpoint server
+ see if two endpoints match
*/
-static const struct dcesrv_endpoint_ops *find_endpoint(struct server_context *smb,
- const struct dcesrv_endpoint *endpoint)
+static BOOL endpoints_match(const struct dcerpc_binding *ep1,
+ const struct dcerpc_binding *ep2)
{
- struct dce_endpoint *ep;
- for (ep=smb->dcesrv.endpoint_list; ep; ep=ep->next) {
- if (ep->endpoint_ops->query_endpoint(endpoint)) {
- return ep->endpoint_ops;
+ if (ep1->transport != ep2->transport) {
+ return False;
+ }
+
+ if (!ep1->endpoint || !ep2->endpoint) {
+ return ep1->endpoint == ep2->endpoint;
+ }
+
+ if (strcasecmp(ep1->endpoint, ep2->endpoint) != 0)
+ return False;
+
+ return True;
+}
+
+/*
+ find an endpoint in the dcesrv_context
+*/
+static struct dcesrv_endpoint *find_endpoint(struct dcesrv_context *dce_ctx,
+ const struct dcerpc_binding *ep_description)
+{
+ struct dcesrv_endpoint *ep;
+ for (ep=dce_ctx->endpoint_list; ep; ep=ep->next) {
+ if (endpoints_match(&ep->ep_description, ep_description)) {
+ return ep;
+ }
+ }
+ return NULL;
+}
+
+/*
+ see if a uuid and if_version match to an interface
+*/
+static BOOL interface_match(const struct dcesrv_interface *if1,
+ const struct dcesrv_interface *if2)
+{
+ if (if1->if_version != if2->if_version) {
+ return False;
+ }
+
+ if (strcmp(if1->uuid, if2->uuid)==0) {
+ return True;
+ }
+
+ return False;
+}
+
+/*
+ find the interface operations on an endpoint
+*/
+static const struct dcesrv_interface *find_interface(const struct dcesrv_endpoint *endpoint,
+ const struct dcesrv_interface *iface)
+{
+ struct dcesrv_if_list *ifl;
+ for (ifl=endpoint->interface_list; ifl; ifl=ifl->next) {
+ if (interface_match(&(ifl->iface), iface)) {
+ return &(ifl->iface);
+ }
+ }
+ return NULL;
+}
+
+/*
+ see if a uuid and if_version match to an interface
+*/
+static BOOL interface_match_by_uuid(const struct dcesrv_interface *iface,
+ const char *uuid, uint32_t if_version)
+{
+ if (iface->if_version != if_version) {
+ return False;
+ }
+
+ if (strcmp(iface->uuid, uuid)==0) {
+ return True;
+ }
+
+ return False;
+}
+
+/*
+ find the interface operations on an endpoint by uuid
+*/
+static const struct dcesrv_interface *find_interface_by_uuid(const struct dcesrv_endpoint *endpoint,
+ const char *uuid, uint32_t if_version)
+{
+ struct dcesrv_if_list *ifl;
+ for (ifl=endpoint->interface_list; ifl; ifl=ifl->next) {
+ if (interface_match_by_uuid(&(ifl->iface), uuid, if_version)) {
+ return &(ifl->iface);
}
}
return NULL;
/*
find a call that is pending in our call list
*/
-static struct dcesrv_call_state *dcesrv_find_call(struct dcesrv_state *dce, uint16 call_id)
+static struct dcesrv_call_state *dcesrv_find_call(struct dcesrv_connection *dce_conn, uint16_t call_id)
{
struct dcesrv_call_state *c;
- for (c=dce->call_list;c;c=c->next) {
+ for (c=dce_conn->call_list;c;c=c->next) {
if (c->pkt.call_id == call_id) {
return c;
}
}
/*
- register an endpoint server
+ register an interface on an endpoint
*/
-BOOL dcesrv_endpoint_register(struct server_context *smb,
- const struct dcesrv_endpoint_ops *ops)
+NTSTATUS dcesrv_interface_register(struct dcesrv_context *dce_ctx,
+ const char *ep_name,
+ const struct dcesrv_interface *iface,
+ const struct security_descriptor *sd)
{
- struct dce_endpoint *ep;
- ep = malloc(sizeof(*ep));
- if (!ep) {
- return False;
+ struct dcesrv_endpoint *ep;
+ struct dcesrv_if_list *ifl;
+ struct dcerpc_binding binding;
+ BOOL add_ep = False;
+ NTSTATUS status;
+
+ status = dcerpc_parse_binding(dce_ctx, ep_name, &binding);
+
+ if (NT_STATUS_IS_ERR(status)) {
+ DEBUG(0, ("Trouble parsing binding string '%s'\n", ep_name));
+ return status;
}
- ep->endpoint_ops = ops;
- DLIST_ADD(smb->dcesrv.endpoint_list, ep);
- return True;
+
+ /* check if this endpoint exists
+ */
+ if ((ep=find_endpoint(dce_ctx, &binding))==NULL) {
+ ep = talloc_p(dce_ctx, struct dcesrv_endpoint);
+ if (!ep) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ ZERO_STRUCTP(ep);
+ ep->ep_description = binding;
+ add_ep = True;
+ }
+
+ /* see if the interface is already registered on te endpoint */
+ if (find_interface(ep, iface)!=NULL) {
+ DEBUG(0,("dcesrv_interface_register: interface '%s' already registered on endpoint '%s'\n",
+ iface->name, ep_name));
+ return NT_STATUS_OBJECT_NAME_COLLISION;
+ }
+
+ /* talloc a new interface list element */
+ ifl = talloc_p(dce_ctx, struct dcesrv_if_list);
+ if (!ifl) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ /* copy the given interface struct to the one on the endpoints interface list */
+ memcpy(&(ifl->iface),iface, sizeof(struct dcesrv_interface));
+
+ /* if we have a security descriptor given,
+ * we should see if we can set it up on the endpoint
+ */
+ if (sd != NULL) {
+ /* if there's currently no security descriptor given on the endpoint
+ * we try to set it
+ */
+ if (ep->sd == NULL) {
+ ep->sd = security_descriptor_copy(dce_ctx, sd);
+ }
+
+ /* if now there's no security descriptor given on the endpoint
+ * something goes wrong, either we failed to copy the security descriptor
+ * or there was already one on the endpoint
+ */
+ if (ep->sd != NULL) {
+ DEBUG(0,("dcesrv_interface_register: interface '%s' failed to setup a security descriptor\n"
+ " on endpoint '%s'\n",
+ iface->name, ep_name));
+ if (add_ep) free(ep);
+ free(ifl);
+ return NT_STATUS_OBJECT_NAME_COLLISION;
+ }
+ }
+
+ /* finally add the interface on the endpoint */
+ DLIST_ADD(ep->interface_list, ifl);
+
+ /* if it's a new endpoint add it to the dcesrv_context */
+ if (add_ep) {
+ DLIST_ADD(dce_ctx->endpoint_list, ep);
+ }
+
+ DEBUG(4,("dcesrv_interface_register: interface '%s' registered on endpoint '%s'\n",
+ iface->name, ep_name));
+
+ return NT_STATUS_OK;
+}
+
+static NTSTATUS dcesrv_inherited_session_key(struct dcesrv_connection *p,
+ DATA_BLOB *session_key)
+{
+ if (p->auth_state.session_info->session_key.length) {
+ *session_key = p->auth_state.session_info->session_key;
+ return NT_STATUS_OK;
+ }
+ 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;
}
/*
- connect to a dcerpc endpoint
+ fetch the user session key - may be default (above) or the SMB session key
*/
-NTSTATUS dcesrv_endpoint_connect(struct server_context *smb,
- const struct dcesrv_endpoint *endpoint,
- struct dcesrv_state **p)
+NTSTATUS dcesrv_fetch_session_key(struct dcesrv_connection *p,
+ DATA_BLOB *session_key)
{
- TALLOC_CTX *mem_ctx;
- NTSTATUS status;
- const struct dcesrv_endpoint_ops *ops;
+ return p->auth_state.session_key(p, session_key);
+}
- /* make sure this endpoint exists */
- ops = find_endpoint(smb, endpoint);
- if (!ops) {
- return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+
+/*
+ destroy a link to an endpoint
+*/
+static int dcesrv_endpoint_destructor(void *ptr)
+{
+ struct dcesrv_connection *p = ptr;
+ if (p->iface) {
+ p->iface->unbind(p, p->iface);
}
- mem_ctx = talloc_init("dcesrv_endpoint_connect");
- if (!mem_ctx) {
- return NT_STATUS_NO_MEMORY;
+ /* destroy any handles */
+ while (p->handles) {
+ dcesrv_handle_destroy(p, p->handles);
}
- *p = talloc_p(mem_ctx, struct dcesrv_state);
+ return 0;
+}
+
+
+/*
+ connect to a dcerpc endpoint
+*/
+NTSTATUS dcesrv_endpoint_connect(struct dcesrv_context *dce_ctx,
+ const struct dcesrv_endpoint *ep,
+ struct dcesrv_connection **p)
+{
+ *p = talloc_p(dce_ctx, struct dcesrv_connection);
if (! *p) {
- talloc_destroy(mem_ctx);
return NT_STATUS_NO_MEMORY;
}
- (*p)->smb = smb;
- (*p)->mem_ctx = mem_ctx;
- (*p)->endpoint = *endpoint;
- (*p)->ops = ops;
+ (*p)->dce_ctx = dce_ctx;
+ (*p)->endpoint = ep;
+ (*p)->iface = NULL;
(*p)->private = NULL;
(*p)->call_list = NULL;
(*p)->cli_max_recv_frag = 0;
- (*p)->ndr = NULL;
- (*p)->dispatch = NULL;
(*p)->handles = NULL;
- (*p)->next_handle = 0;
+ (*p)->partial_input = data_blob(NULL, 0);
+ (*p)->auth_state.auth_info = NULL;
+ (*p)->auth_state.gensec_security = NULL;
+ (*p)->auth_state.session_info = NULL;
+ (*p)->auth_state.session_key = dcesrv_generic_session_key;
+ (*p)->srv_conn = NULL;
+
+ talloc_set_destructor(*p, dcesrv_endpoint_destructor);
+
+ return NT_STATUS_OK;
+}
+
+/*
+ search and connect to a dcerpc endpoint
+*/
+NTSTATUS dcesrv_endpoint_search_connect(struct dcesrv_context *dce_ctx,
+ const struct dcerpc_binding *ep_description,
+ struct auth_session_info *session_info,
+ 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;
+ }
- /* make sure the endpoint server likes the connection */
- status = ops->connect(*p);
+ status = dcesrv_endpoint_connect(dce_ctx, ep, dce_conn_p);
if (!NT_STATUS_IS_OK(status)) {
- talloc_destroy(mem_ctx);
return status;
}
-
+
+ session_info->refcount++;
+ (*dce_conn_p)->auth_state.session_info = session_info;
+ (*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;
}
-/*
- disconnect a link to an endpoint
-*/
-void dcesrv_endpoint_disconnect(struct dcesrv_state *p)
+static void dcesrv_init_hdr(struct dcerpc_packet *pkt)
{
- p->ops->disconnect(p);
-
- /* destroy any handles */
- while (p->handles) {
- TALLOC_CTX *m = p->handles->mem_ctx;
- DLIST_REMOVE(p->handles, p->handles);
- talloc_destroy(m);
+ pkt->rpc_vers = 5;
+ pkt->rpc_vers_minor = 0;
+ if (lp_rpc_big_endian()) {
+ pkt->drep[0] = 0;
+ } else {
+ pkt->drep[0] = DCERPC_DREP_LE;
}
-
- talloc_destroy(p->mem_ctx);
+ pkt->drep[1] = 0;
+ pkt->drep[2] = 0;
+ pkt->drep[3] = 0;
}
/*
return a dcerpc fault
*/
-static NTSTATUS dcesrv_fault(struct dcesrv_call_state *call, uint32 fault_code)
+static NTSTATUS dcesrv_fault(struct dcesrv_call_state *call, uint32_t fault_code)
{
- struct ndr_push *push;
struct dcerpc_packet pkt;
struct dcesrv_call_reply *rep;
NTSTATUS status;
/* setup a bind_ack */
- pkt.rpc_vers = 5;
- pkt.rpc_vers_minor = 0;
- pkt.drep[0] = 0x10; /* Little endian */
- pkt.drep[1] = 0;
- pkt.drep[2] = 0;
- pkt.drep[3] = 0;
+ dcesrv_init_hdr(&pkt);
pkt.auth_length = 0;
pkt.call_id = call->pkt.call_id;
pkt.ptype = DCERPC_PKT_FAULT;
pkt.u.fault.cancel_count = 0;
pkt.u.fault.status = fault_code;
- /* now form the NDR for the fault */
- push = ndr_push_init_ctx(call->mem_ctx);
- if (!push) {
+ rep = talloc_p(call, struct dcesrv_call_reply);
+ if (!rep) {
return NT_STATUS_NO_MEMORY;
}
- status = ndr_push_dcerpc_packet(push, NDR_SCALARS|NDR_BUFFERS, &pkt);
+ status = dcerpc_push_auth(&rep->data, call, &pkt, NULL);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
- rep = talloc_p(call->mem_ctx, struct dcesrv_call_reply);
- if (!rep) {
- return NT_STATUS_NO_MEMORY;
- }
-
- rep->data = ndr_push_blob(push);
- SSVAL(rep->data.data, DCERPC_FRAG_LEN_OFFSET, rep->data.length);
+ dcerpc_set_frag_length(&rep->data, rep->data.length);
DLIST_ADD_END(call->replies, rep, struct dcesrv_call_reply *);
+ DLIST_ADD_END(call->conn->call_list, call, struct dcesrv_call_state *);
return NT_STATUS_OK;
}
-/*
- return a dcerpc fault from a ntstatus code
-*/
-static NTSTATUS dcesrv_fault_nt(struct dcesrv_call_state *call, NTSTATUS status)
-{
- uint32 fault_code = DCERPC_FAULT_OTHER;
-
- /* TODO: we need to expand this table to include more mappings */
- if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_HANDLE)) {
- fault_code = DCERPC_FAULT_CONTEXT_MISMATCH;
- }
-
- return dcesrv_fault(call, fault_code);
-}
-
-
/*
return a dcerpc bind_nak
*/
-static NTSTATUS dcesrv_bind_nak(struct dcesrv_call_state *call, uint32 reason)
+static NTSTATUS dcesrv_bind_nak(struct dcesrv_call_state *call, uint32_t reason)
{
- struct ndr_push *push;
struct dcerpc_packet pkt;
struct dcesrv_call_reply *rep;
NTSTATUS status;
- /* setup a bind_ack */
- pkt.rpc_vers = 5;
- pkt.rpc_vers_minor = 0;
- pkt.drep[0] = 0x10; /* Little endian */
- pkt.drep[1] = 0;
- pkt.drep[2] = 0;
- pkt.drep[3] = 0;
+ /* setup a bind_nak */
+ dcesrv_init_hdr(&pkt);
pkt.auth_length = 0;
pkt.call_id = call->pkt.call_id;
pkt.ptype = DCERPC_PKT_BIND_NAK;
pkt.u.bind_nak.reject_reason = reason;
pkt.u.bind_nak.num_versions = 0;
- /* now form the NDR for the bind_nak */
- push = ndr_push_init_ctx(call->mem_ctx);
- if (!push) {
+ rep = talloc_p(call, struct dcesrv_call_reply);
+ if (!rep) {
return NT_STATUS_NO_MEMORY;
}
- status = ndr_push_dcerpc_packet(push, NDR_SCALARS|NDR_BUFFERS, &pkt);
+ status = dcerpc_push_auth(&rep->data, call, &pkt, NULL);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
- rep = talloc_p(call->mem_ctx, struct dcesrv_call_reply);
- if (!rep) {
- return NT_STATUS_NO_MEMORY;
- }
-
- rep->data = ndr_push_blob(push);
- SSVAL(rep->data.data, DCERPC_FRAG_LEN_OFFSET, rep->data.length);
+ dcerpc_set_frag_length(&rep->data, rep->data.length);
DLIST_ADD_END(call->replies, rep, struct dcesrv_call_reply *);
+ DLIST_ADD_END(call->conn->call_list, call, struct dcesrv_call_state *);
return NT_STATUS_OK;
}
static NTSTATUS dcesrv_bind(struct dcesrv_call_state *call)
{
const char *uuid, *transfer_syntax;
- uint32 if_version, transfer_syntax_version;
+ uint32_t if_version, transfer_syntax_version;
struct dcerpc_packet pkt;
- struct ndr_push *push;
struct dcesrv_call_reply *rep;
NTSTATUS status;
- uint32 result=0, reason=0;
+ uint32_t result=0, reason=0;
if (call->pkt.u.bind.num_contexts != 1 ||
call->pkt.u.bind.ctx_list[0].num_transfer_syntaxes < 1) {
return dcesrv_bind_nak(call, 0);
}
- if_version = call->pkt.u.bind.ctx_list[0].abstract_syntax.major_version;
- uuid = GUID_string(call->mem_ctx, &call->pkt.u.bind.ctx_list[0].abstract_syntax.uuid);
+ if_version = call->pkt.u.bind.ctx_list[0].abstract_syntax.if_version;
+ uuid = GUID_string(call, &call->pkt.u.bind.ctx_list[0].abstract_syntax.uuid);
if (!uuid) {
return dcesrv_bind_nak(call, 0);
}
- transfer_syntax_version = call->pkt.u.bind.ctx_list[0].transfer_syntaxes[0].major_version;
- transfer_syntax = GUID_string(call->mem_ctx,
+ transfer_syntax_version = call->pkt.u.bind.ctx_list[0].transfer_syntaxes[0].if_version;
+ transfer_syntax = GUID_string(call,
&call->pkt.u.bind.ctx_list[0].transfer_syntaxes[0].uuid);
if (!transfer_syntax ||
strcasecmp(NDR_GUID, transfer_syntax) != 0 ||
return dcesrv_bind_nak(call, 0);
}
- if (!call->dce->ops->set_interface(call->dce, uuid, if_version)) {
+ call->conn->iface = find_interface_by_uuid(call->conn->endpoint, uuid, if_version);
+ if (!call->conn->iface) {
DEBUG(2,("Request for unknown dcerpc interface %s/%d\n", uuid, if_version));
/* we don't know about that interface */
result = DCERPC_BIND_PROVIDER_REJECT;
- reason = DCERPC_BIND_REASON_ASYNTAX;
+ reason = DCERPC_BIND_REASON_ASYNTAX;
}
- if (call->dce->cli_max_recv_frag == 0) {
- call->dce->cli_max_recv_frag = call->pkt.u.bind.max_recv_frag;
+ if (call->conn->cli_max_recv_frag == 0) {
+ call->conn->cli_max_recv_frag = call->pkt.u.bind.max_recv_frag;
+ }
+
+ /* handle any authentication that is being requested */
+ if (!dcesrv_auth_bind(call)) {
+ /* TODO: work out the right reject code */
+ return dcesrv_bind_nak(call, 0);
}
/* setup a bind_ack */
- pkt.rpc_vers = 5;
- pkt.rpc_vers_minor = 0;
- pkt.drep[0] = 0x10; /* Little endian */
- pkt.drep[1] = 0;
- pkt.drep[2] = 0;
- pkt.drep[3] = 0;
+ dcesrv_init_hdr(&pkt);
pkt.auth_length = 0;
pkt.call_id = call->pkt.call_id;
pkt.ptype = DCERPC_PKT_BIND_ACK;
pkt.u.bind_ack.max_xmit_frag = 0x2000;
pkt.u.bind_ack.max_recv_frag = 0x2000;
pkt.u.bind_ack.assoc_group_id = call->pkt.u.bind.assoc_group_id;
- if (call->dce->ndr) {
- pkt.u.bind_ack.secondary_address = talloc_asprintf(call->mem_ctx, "\\PIPE\\%s",
- call->dce->ndr->name);
+ if (call->conn->iface) {
+ /* FIXME: Use pipe name as specified by endpoint instead of interface name */
+ pkt.u.bind_ack.secondary_address = talloc_asprintf(call, "\\PIPE\\%s",
+ call->conn->iface->name);
} else {
pkt.u.bind_ack.secondary_address = "";
}
pkt.u.bind_ack.num_results = 1;
- pkt.u.bind_ack.ctx_list = talloc_p(call->mem_ctx, struct dcerpc_ack_ctx);
+ pkt.u.bind_ack.ctx_list = talloc_p(call, struct dcerpc_ack_ctx);
if (!pkt.u.bind_ack.ctx_list) {
return NT_STATUS_NO_MEMORY;
}
pkt.u.bind_ack.ctx_list[0].result = result;
pkt.u.bind_ack.ctx_list[0].reason = reason;
- GUID_from_string(uuid, &pkt.u.bind_ack.ctx_list[0].syntax.uuid);
- pkt.u.bind_ack.ctx_list[0].syntax.major_version = if_version;
- pkt.u.bind_ack.ctx_list[0].syntax.minor_version = 0;
+ GUID_from_string(NDR_GUID, &pkt.u.bind_ack.ctx_list[0].syntax.uuid);
+ pkt.u.bind_ack.ctx_list[0].syntax.if_version = NDR_GUID_VERSION;
pkt.u.bind_ack.auth_info = data_blob(NULL, 0);
- /* now form the NDR for the bind_ack */
- push = ndr_push_init_ctx(call->mem_ctx);
- if (!push) {
+ if (!dcesrv_auth_bind_ack(call, &pkt)) {
+ return dcesrv_bind_nak(call, 0);
+ }
+
+ if (call->conn->iface) {
+ status = call->conn->iface->bind(call, call->conn->iface);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(2,("Request for dcerpc interface %s/%d rejected: %s\n", uuid, if_version, nt_errstr(status)));
+ return dcesrv_bind_nak(call, 0);
+ }
+ }
+
+ rep = talloc_p(call, struct dcesrv_call_reply);
+ if (!rep) {
return NT_STATUS_NO_MEMORY;
}
- status = ndr_push_dcerpc_packet(push, NDR_SCALARS|NDR_BUFFERS, &pkt);
+ status = dcerpc_push_auth(&rep->data, call, &pkt,
+ call->conn->auth_state.auth_info);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
- rep = talloc_p(call->mem_ctx, struct dcesrv_call_reply);
+ dcerpc_set_frag_length(&rep->data, rep->data.length);
+
+ DLIST_ADD_END(call->replies, rep, struct dcesrv_call_reply *);
+ DLIST_ADD_END(call->conn->call_list, call, struct dcesrv_call_state *);
+
+ return NT_STATUS_OK;
+}
+
+
+/*
+ handle a auth3 request
+*/
+static NTSTATUS dcesrv_auth3(struct dcesrv_call_state *call)
+{
+ /* handle the auth3 in the auth code */
+ if (!dcesrv_auth_auth3(call)) {
+ return dcesrv_fault(call, DCERPC_FAULT_OTHER);
+ }
+
+ talloc_free(call);
+
+ /* we don't send a reply to a auth3 request, except by a
+ fault */
+ return NT_STATUS_OK;
+}
+
+/*
+ handle a bind request
+*/
+static NTSTATUS dcesrv_alter(struct dcesrv_call_state *call)
+{
+ struct dcerpc_packet pkt;
+ struct dcesrv_call_reply *rep;
+ NTSTATUS status;
+ uint32_t result=0, reason=0;
+
+ /* handle any authentication that is being requested */
+ if (!dcesrv_auth_alter(call)) {
+ /* TODO: work out the right reject code */
+ return dcesrv_bind_nak(call, 0);
+ }
+
+ /* setup a alter_ack */
+ dcesrv_init_hdr(&pkt);
+ pkt.auth_length = 0;
+ pkt.call_id = call->pkt.call_id;
+ pkt.ptype = DCERPC_PKT_ALTER_ACK;
+ pkt.pfc_flags = DCERPC_PFC_FLAG_FIRST | DCERPC_PFC_FLAG_LAST;
+ pkt.u.alter_ack.max_xmit_frag = 0x2000;
+ pkt.u.alter_ack.max_recv_frag = 0x2000;
+ pkt.u.alter_ack.assoc_group_id = call->pkt.u.bind.assoc_group_id;
+ pkt.u.alter_ack.secondary_address = NULL;
+ pkt.u.alter_ack.num_results = 1;
+ pkt.u.alter_ack.ctx_list = talloc_p(call, struct dcerpc_ack_ctx);
+ if (!pkt.u.alter_ack.ctx_list) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ pkt.u.alter_ack.ctx_list[0].result = result;
+ pkt.u.alter_ack.ctx_list[0].reason = reason;
+ GUID_from_string(NDR_GUID, &pkt.u.alter_ack.ctx_list[0].syntax.uuid);
+ pkt.u.alter_ack.ctx_list[0].syntax.if_version = NDR_GUID_VERSION;
+ pkt.u.alter_ack.auth_info = data_blob(NULL, 0);
+
+ if (!dcesrv_auth_alter_ack(call, &pkt)) {
+ return dcesrv_bind_nak(call, 0);
+ }
+
+ rep = talloc_p(call, struct dcesrv_call_reply);
if (!rep) {
return NT_STATUS_NO_MEMORY;
}
- rep->data = ndr_push_blob(push);
- SSVAL(rep->data.data, DCERPC_FRAG_LEN_OFFSET, rep->data.length);
+ status = dcerpc_push_auth(&rep->data, call, &pkt,
+ call->conn->auth_state.auth_info);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ dcerpc_set_frag_length(&rep->data, rep->data.length);
DLIST_ADD_END(call->replies, rep, struct dcesrv_call_reply *);
+ DLIST_ADD_END(call->conn->call_list, call, struct dcesrv_call_state *);
return NT_STATUS_OK;
}
-
/*
handle a dcerpc request packet
*/
{
struct ndr_pull *pull;
struct ndr_push *push;
- uint16 opnum;
void *r;
NTSTATUS status;
DATA_BLOB stub;
+ uint32_t total_length;
- opnum = call->pkt.u.request.opnum;
+ call->fault_code = 0;
- if (opnum >= call->dce->ndr->num_calls) {
- return dcesrv_fault(call, DCERPC_FAULT_OP_RNG_ERROR);
+ if (!call->conn->iface) {
+ return dcesrv_fault(call, DCERPC_FAULT_UNK_IF);
}
- pull = ndr_pull_init_blob(&call->pkt.u.request.stub_and_verifier, call->mem_ctx);
+ pull = ndr_pull_init_blob(&call->pkt.u.request.stub_and_verifier, call);
if (!pull) {
return NT_STATUS_NO_MEMORY;
}
- r = talloc(call->mem_ctx, call->dce->ndr->calls[opnum].struct_size);
- if (!r) {
- return NT_STATUS_NO_MEMORY;
+ if (call->pkt.pfc_flags & DCERPC_PFC_FLAG_ORPC) {
+ pull->flags |= LIBNDR_FLAG_OBJECT_PRESENT;
+ }
+
+ if (!(call->pkt.drep[0] & DCERPC_DREP_LE)) {
+ pull->flags |= LIBNDR_FLAG_BIGENDIAN;
}
/* unravel the NDR for the packet */
- status = call->dce->ndr->calls[opnum].ndr_pull(pull, NDR_IN, r);
+ status = call->conn->iface->ndr_pull(call, call, pull, &r);
if (!NT_STATUS_IS_OK(status)) {
- return dcesrv_fault(call, DCERPC_FAULT_NDR);
+ return dcesrv_fault(call, call->fault_code);
+ }
+
+ if (pull->offset != pull->data_size) {
+ 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 */
- status = call->dce->dispatch[opnum](call->dce, call->mem_ctx, r);
+ status = call->conn->iface->dispatch(call, call, r);
if (!NT_STATUS_IS_OK(status)) {
- return dcesrv_fault_nt(call, status);
+ return dcesrv_fault(call, call->fault_code);
}
/* form the reply NDR */
- push = ndr_push_init_ctx(call->mem_ctx);
+ push = ndr_push_init_ctx(call);
if (!push) {
return NT_STATUS_NO_MEMORY;
}
- status = call->dce->ndr->calls[opnum].ndr_push(push, NDR_OUT, r);
+ /* carry over the pointer count to the reply in case we are
+ using full pointer. See NDR specification for full
+ pointers */
+ push->ptr_count = pull->ptr_count;
+
+ if (lp_rpc_big_endian()) {
+ push->flags |= LIBNDR_FLAG_BIGENDIAN;
+ }
+
+ status = call->conn->iface->ndr_push(call, call, push, r);
if (!NT_STATUS_IS_OK(status)) {
- return dcesrv_fault(call, DCERPC_FAULT_NDR);
+ return dcesrv_fault(call, call->fault_code);
}
stub = ndr_push_blob(push);
+ total_length = stub.length;
+
do {
- uint32 length;
+ uint32_t length;
struct dcesrv_call_reply *rep;
struct dcerpc_packet pkt;
- rep = talloc_p(call->mem_ctx, struct dcesrv_call_reply);
+ rep = talloc_p(call, struct dcesrv_call_reply);
if (!rep) {
return NT_STATUS_NO_MEMORY;
}
length = stub.length;
- if (length + DCERPC_RESPONSE_LENGTH > call->dce->cli_max_recv_frag) {
- length = call->dce->cli_max_recv_frag - DCERPC_RESPONSE_LENGTH;
+ if (length + DCERPC_RESPONSE_LENGTH > call->conn->cli_max_recv_frag) {
+ /* the 32 is to cope with signing data */
+ length = call->conn->cli_max_recv_frag -
+ (DCERPC_MAX_SIGN_SIZE+DCERPC_RESPONSE_LENGTH);
}
/* form the dcerpc response packet */
- pkt.rpc_vers = 5;
- pkt.rpc_vers_minor = 0;
- pkt.drep[0] = 0x10; /* Little endian */
- pkt.drep[1] = 0;
- pkt.drep[2] = 0;
- pkt.drep[3] = 0;
+ dcesrv_init_hdr(&pkt);
pkt.auth_length = 0;
pkt.call_id = call->pkt.call_id;
pkt.ptype = DCERPC_PKT_RESPONSE;
pkt.pfc_flags = 0;
- if (!call->replies) {
+ if (stub.length == total_length) {
pkt.pfc_flags |= DCERPC_PFC_FLAG_FIRST;
}
if (length == stub.length) {
pkt.u.response.stub_and_verifier.data = stub.data;
pkt.u.response.stub_and_verifier.length = length;
- push = ndr_push_init_ctx(call->mem_ctx);
- if (!push) {
- return NT_STATUS_NO_MEMORY;
+ if (!dcesrv_auth_response(call, &rep->data, &pkt)) {
+ return dcesrv_fault(call, DCERPC_FAULT_OTHER);
}
-
- status = ndr_push_dcerpc_packet(push, NDR_SCALARS|NDR_BUFFERS, &pkt);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
-
- rep->data = ndr_push_blob(push);
- SSVAL(rep->data.data, DCERPC_FRAG_LEN_OFFSET, rep->data.length);
+
+ dcerpc_set_frag_length(&rep->data, rep->data.length);
DLIST_ADD_END(call->replies, rep, struct dcesrv_call_reply *);
stub.length -= length;
} while (stub.length != 0);
+ DLIST_ADD_END(call->conn->call_list, call, struct dcesrv_call_state *);
+
return NT_STATUS_OK;
}
/*
- provide some input to a dcerpc endpoint server. This passes data
- from a dcerpc client into the server
+ 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
*/
-NTSTATUS dcesrv_input(struct dcesrv_state *dce, const DATA_BLOB *data)
+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);
+}
+
+/*
+ process some input to a dcerpc endpoint server.
+*/
+NTSTATUS dcesrv_input_process(struct dcesrv_connection *dce_conn)
{
struct ndr_pull *ndr;
- TALLOC_CTX *mem_ctx;
NTSTATUS status;
struct dcesrv_call_state *call;
+ DATA_BLOB blob;
- mem_ctx = talloc_init("dcesrv_input");
- if (!mem_ctx) {
- return NT_STATUS_NO_MEMORY;
- }
- call = talloc_p(mem_ctx, struct dcesrv_call_state);
+ call = talloc_p(dce_conn, struct dcesrv_call_state);
if (!call) {
- talloc_destroy(mem_ctx);
+ talloc_free(dce_conn->partial_input.data);
return NT_STATUS_NO_MEMORY;
}
- call->mem_ctx = mem_ctx;
- call->dce = dce;
+ call->conn = dce_conn;
call->replies = NULL;
- ndr = ndr_pull_init_blob(data, mem_ctx);
+ blob = dce_conn->partial_input;
+ blob.length = dcerpc_get_frag_length(&blob);
+
+ ndr = ndr_pull_init_blob(&blob, call);
if (!ndr) {
- talloc_destroy(mem_ctx);
+ 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;
+ }
+
status = ndr_pull_dcerpc_packet(ndr, NDR_SCALARS|NDR_BUFFERS, &call->pkt);
if (!NT_STATUS_IS_OK(status)) {
- talloc_destroy(mem_ctx);
+ talloc_free(dce_conn->partial_input.data);
+ talloc_free(call);
return status;
}
+ /* 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_LOGON_FAILURE);
+ }
+
+ dce_partial_advance(dce_conn, blob.length);
+
/* see if this is a continued packet */
- if (!(call->pkt.pfc_flags & DCERPC_PFC_FLAG_FIRST)) {
+ if (call->pkt.ptype == DCERPC_PKT_REQUEST &&
+ !(call->pkt.pfc_flags & DCERPC_PFC_FLAG_FIRST)) {
struct dcesrv_call_state *call2 = call;
- uint32 alloc_size;
+ uint32_t alloc_size;
/* we only allow fragmented requests, no other packet types */
if (call->pkt.ptype != DCERPC_PKT_REQUEST) {
/* this is a continuation of an existing call - find the call then
tack it on the end */
- call = dcesrv_find_call(dce, call2->pkt.call_id);
+ call = dcesrv_find_call(dce_conn, call2->pkt.call_id);
if (!call) {
return dcesrv_fault(call2, DCERPC_FAULT_OTHER);
}
}
call->pkt.u.request.stub_and_verifier.data =
- talloc_realloc(call->mem_ctx,
- call->pkt.u.request.stub_and_verifier.data, alloc_size);
+ talloc_realloc(call, call->pkt.u.request.stub_and_verifier.data, alloc_size);
if (!call->pkt.u.request.stub_and_verifier.data) {
return dcesrv_fault(call2, DCERPC_FAULT_OTHER);
}
call2->pkt.u.request.stub_and_verifier.length;
call->pkt.pfc_flags |= (call2->pkt.pfc_flags & DCERPC_PFC_FLAG_LAST);
+
+ talloc_free(call2);
}
/* this may not be the last pdu in the chain - if its isn't then
just put it on the call_list and wait for the rest */
- if (!(call->pkt.pfc_flags & DCERPC_PFC_FLAG_LAST)) {
- DLIST_ADD_END(dce->call_list, call, struct dcesrv_call_state *);
+ if (call->pkt.ptype == DCERPC_PKT_REQUEST &&
+ !(call->pkt.pfc_flags & DCERPC_PFC_FLAG_LAST)) {
+ DLIST_ADD_END(dce_conn->call_list, call, struct dcesrv_call_state *);
return NT_STATUS_OK;
}
case DCERPC_PKT_BIND:
status = dcesrv_bind(call);
break;
+ case DCERPC_PKT_AUTH3:
+ status = dcesrv_auth3(call);
+ break;
+ case DCERPC_PKT_ALTER:
+ status = dcesrv_alter(call);
+ break;
case DCERPC_PKT_REQUEST:
status = dcesrv_request(call);
break;
/* if we are going to be sending a reply then add
it to the list of pending calls. We add it to the end to keep the call
list in the order we will answer */
- if (NT_STATUS_IS_OK(status)) {
- DLIST_ADD_END(dce->call_list, call, struct dcesrv_call_state *);
- } else {
- talloc_destroy(mem_ctx);
+ if (!NT_STATUS_IS_OK(status)) {
+ talloc_free(call);
}
return status;
}
+
/*
- retrieve some output from a dcerpc server. The amount of data that
- is wanted is in data->length and data->data is already allocated
- to hold that much data.
+ provide some input to a dcerpc endpoint server. This passes data
+ from a dcerpc client into the server
*/
-NTSTATUS dcesrv_output(struct dcesrv_state *dce, DATA_BLOB *data)
+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,
+ 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 the number of bytes to be sent.
+
+ write_fn() should return the number of bytes successfully written.
+
+ this will return STATUS_BUFFER_OVERFLOW if there is more to be read
+ from the current fragment
+*/
+NTSTATUS dcesrv_output(struct dcesrv_connection *dce_conn,
+ void *private,
+ ssize_t (*write_fn)(void *, DATA_BLOB *))
{
struct dcesrv_call_state *call;
struct dcesrv_call_reply *rep;
+ ssize_t nwritten;
- call = dce->call_list;
+ call = dce_conn->call_list;
if (!call || !call->replies) {
return NT_STATUS_FOOBAR;
}
rep = call->replies;
- if (data->length >= rep->data.length) {
- data->length = rep->data.length;
+ nwritten = write_fn(private, &rep->data);
+ if (nwritten == -1) {
+ /* TODO: hmm, how do we cope with this? destroy the
+ connection perhaps? */
+ return NT_STATUS_UNSUCCESSFUL;
}
- memcpy(data->data, rep->data.data, data->length);
- rep->data.length -= data->length;
- rep->data.data += data->length;
+ rep->data.length -= nwritten;
+ rep->data.data += nwritten;
if (rep->data.length == 0) {
/* we're done with this section of the call */
DLIST_REMOVE(call->replies, rep);
+ } else {
+ return STATUS_BUFFER_OVERFLOW;
}
if (call->replies == NULL) {
/* we're done with the whole call */
- DLIST_REMOVE(dce->call_list, call);
- talloc_destroy(call->mem_ctx);
+ DLIST_REMOVE(dce_conn->call_list, call);
+ talloc_free(call);
}
return NT_STATUS_OK;
/*
- a useful function for implementing the query endpoint op
- */
-BOOL dcesrv_table_query(const struct dcerpc_interface_table *table,
- const struct dcesrv_endpoint *ep)
+ write_fn() for dcesrv_output_blob()
+*/
+static ssize_t dcesrv_output_blob_write_fn(void *private, DATA_BLOB *out)
+{
+ DATA_BLOB *blob = private;
+ if (out->length < blob->length) {
+ blob->length = out->length;
+ }
+ memcpy(blob->data, out->data, blob->length);
+ return blob->length;
+}
+
+/*
+ a simple wrapper for dcesrv_output() for when we want to output
+ into a data blob
+*/
+NTSTATUS dcesrv_output_blob(struct dcesrv_connection *dce_conn,
+ DATA_BLOB *blob)
+{
+ return dcesrv_output(dce_conn, blob, dcesrv_output_blob_write_fn);
+}
+
+/*
+ initialise the dcerpc server context
+*/
+NTSTATUS dcesrv_init_context(TALLOC_CTX *mem_ctx, struct dcesrv_context **dce_ctx)
{
int i;
- const struct dcerpc_endpoint_list *endpoints = table->endpoints;
+ const char **endpoint_servers = lp_dcerpc_endpoint_servers();
- if (ep->type != ENDPOINT_SMB) {
- return False;
+ (*dce_ctx) = talloc_p(mem_ctx, struct dcesrv_context);
+ if (! *dce_ctx) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ (*dce_ctx)->endpoint_list = NULL;
+
+ if (!endpoint_servers) {
+ DEBUG(3,("dcesrv_init_context: no endpoint servers configured\n"));
+ return NT_STATUS_OK;
}
- for (i=0;i<endpoints->count;i++) {
- if (strcasecmp(ep->info.smb_pipe, endpoints->names[i]) == 0) {
- return True;
+ for (i=0;endpoint_servers[i];i++) {
+ NTSTATUS ret;
+ const struct dcesrv_endpoint_server *ep_server;
+
+ ep_server = dcesrv_ep_server_byname(endpoint_servers[i]);
+ if (!ep_server) {
+ DEBUG(0,("dcesrv_init_context: failed to find endpoint server = '%s'\n", endpoint_servers[i]));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ ret = ep_server->init_server(*dce_ctx, ep_server);
+ if (!NT_STATUS_IS_OK(ret)) {
+ DEBUG(0,("dcesrv_init_context: failed to init endpoint server = '%s'\n", endpoint_servers[i]));
+ return ret;
}
}
- return False;
+
+ return NT_STATUS_OK;
}
+static void dcesrv_init(struct server_service *service, const struct model_ops *model_ops)
+{
+ struct dcesrv_context *dce_ctx;
+ int i;
+ const char **endpoint_servers = lp_dcerpc_endpoint_servers();
-/*
- a useful function for implementing the lookup_endpoints op
+ DEBUG(1,("dcesrv_init\n"));
+
+ if (!endpoint_servers) {
+ DEBUG(0,("dcesrv_init_context: no endpoint servers configured\n"));
+ return;
+ }
+
+ dce_ctx = talloc_p(service, struct dcesrv_context);
+ if (!dce_ctx) {
+ DEBUG(0,("talloc_p(mem_ctx, struct dcesrv_context) failed\n"));
+ return;
+ }
+
+ ZERO_STRUCTP(dce_ctx);
+ dce_ctx->endpoint_list = NULL;
+
+ for (i=0;endpoint_servers[i];i++) {
+ NTSTATUS ret;
+ const struct dcesrv_endpoint_server *ep_server;
+
+ ep_server = dcesrv_ep_server_byname(endpoint_servers[i]);
+ if (!ep_server) {
+ DEBUG(0,("dcesrv_init_context: failed to find endpoint server = '%s'\n", endpoint_servers[i]));
+ return;
+ }
+
+ ret = ep_server->init_server(dce_ctx, ep_server);
+ if (!NT_STATUS_IS_OK(ret)) {
+ DEBUG(0,("dcesrv_init_context: failed to init endpoint server = '%s'\n", endpoint_servers[i]));
+ return;
+ }
+ }
+
+ dcesrv_sock_init(service, model_ops, dce_ctx);
+
+ return;
+}
+
+static void dcesrv_accept(struct server_connection *srv_conn)
+{
+ dcesrv_sock_accept(srv_conn);
+}
+
+static void dcesrv_recv(struct server_connection *srv_conn,
+ struct timeval t, uint16_t flags)
+{
+ dcesrv_sock_recv(srv_conn, t, flags);
+}
+
+static void dcesrv_send(struct server_connection *srv_conn,
+ struct timeval t, uint16_t flags)
+{
+ dcesrv_sock_send(srv_conn, t, flags);
+}
+
+static void dcesrv_close(struct server_connection *srv_conn, const char *reason)
+{
+ dcesrv_sock_close(srv_conn, reason);
+ return;
+}
+
+static void dcesrv_exit(struct server_service *service, const char *reason)
+{
+ dcesrv_sock_exit(service, reason);
+ return;
+}
+
+/* the list of currently registered DCERPC endpoint servers.
*/
-int dcesrv_lookup_endpoints(const struct dcerpc_interface_table *table,
- TALLOC_CTX *mem_ctx,
- struct dcesrv_ep_iface **e)
+static struct ep_server {
+ struct dcesrv_endpoint_server *ep_server;
+} *ep_servers = NULL;
+static int num_ep_servers;
+
+/*
+ register a DCERPC endpoint server.
+
+ The 'name' can be later used by other backends to find the operations
+ structure for this backend.
+
+ The 'type' is used to specify whether this is for a disk, printer or IPC$ share
+*/
+NTSTATUS dcerpc_register_ep_server(const void *_ep_server)
{
- *e = talloc_p(mem_ctx, struct dcesrv_ep_iface);
- if (! *e) {
- return -1;
+ const struct dcesrv_endpoint_server *ep_server = _ep_server;
+
+ if (dcesrv_ep_server_byname(ep_server->name) != NULL) {
+ /* its already registered! */
+ DEBUG(0,("DCERPC endpoint server '%s' already registered\n",
+ ep_server->name));
+ return NT_STATUS_OBJECT_NAME_COLLISION;
}
- (*e)->uuid = table->uuid;
- (*e)->if_version = table->if_version;
- (*e)->endpoint.type = ENDPOINT_SMB;
- (*e)->endpoint.info.smb_pipe = table->endpoints->names[0];
+ ep_servers = realloc_p(ep_servers, struct ep_server, num_ep_servers+1);
+ if (!ep_servers) {
+ smb_panic("out of memory in dcerpc_register");
+ }
- return 1;
+ ep_servers[num_ep_servers].ep_server = smb_xmemdup(ep_server, sizeof(*ep_server));
+ ep_servers[num_ep_servers].ep_server->name = smb_xstrdup(ep_server->name);
+
+ num_ep_servers++;
+
+ DEBUG(3,("DCERPC endpoint server '%s' registered\n",
+ ep_server->name));
+
+ return NT_STATUS_OK;
}
+/*
+ return the operations structure for a named backend of the specified type
+*/
+const struct dcesrv_endpoint_server *dcesrv_ep_server_byname(const char *name)
+{
+ int i;
+
+ for (i=0;i<num_ep_servers;i++) {
+ if (strcmp(ep_servers[i].ep_server->name, name) == 0) {
+ return ep_servers[i].ep_server;
+ }
+ }
+
+ return NULL;
+}
/*
- initialise the dcerpc server subsystem
+ return the DCERPC module version, and the size of some critical types
+ This can be used by endpoint server modules to either detect compilation errors, or provide
+ multiple implementations for different smbd compilation options in one module
*/
-BOOL dcesrv_init(struct server_context *smb)
+const struct dcesrv_critical_sizes *dcerpc_module_version(void)
{
- rpc_echo_init(smb);
- rpc_epmapper_init(smb);
- return True;
+ static const struct dcesrv_critical_sizes critical_sizes = {
+ DCERPC_MODULE_VERSION,
+ sizeof(struct dcesrv_context),
+ sizeof(struct dcesrv_endpoint),
+ sizeof(struct dcesrv_endpoint_server),
+ sizeof(struct dcesrv_interface),
+ sizeof(struct dcesrv_if_list),
+ sizeof(struct dcesrv_connection),
+ sizeof(struct dcesrv_call_state),
+ sizeof(struct dcesrv_auth),
+ sizeof(struct dcesrv_handle)
+ };
+
+ return &critical_sizes;
+}
+
+static const struct server_service_ops dcesrv_ops = {
+ .name = "rpc",
+ .service_init = dcesrv_init,
+ .accept_connection = dcesrv_accept,
+ .recv_handler = dcesrv_recv,
+ .send_handler = dcesrv_send,
+ .idle_handler = NULL,
+ .close_connection = dcesrv_close,
+ .service_exit = dcesrv_exit,
+};
+
+const struct server_service_ops *dcesrv_get_ops(void)
+{
+ return &dcesrv_ops;
+}
+
+NTSTATUS server_service_rpc_init(void)
+{
+ return NT_STATUS_OK;
}
git.samba.org / samba.git / blobdiff