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-rw-r--r--source4/libnet/libnet_join.c2
-rw-r--r--source4/libnet/libnet_rpc.c60
-rw-r--r--source4/libnet/libnet_rpc.h19
3 files changed, 49 insertions, 32 deletions
diff --git a/source4/libnet/libnet_join.c b/source4/libnet/libnet_join.c
index 5781bc19c2..57ecddd9da 100644
--- a/source4/libnet/libnet_join.c
+++ b/source4/libnet/libnet_join.c
@@ -229,7 +229,7 @@ static NTSTATUS libnet_JoinADSDomain(struct libnet_context *ctx, struct libnet_J
/* Now we know the user's DN, open with LDAP, read and modify a few things */
remote_ldb_url = talloc_asprintf(tmp_ctx, "ldap://%s",
- drsuapi_binding->host);
+ drsuapi_binding->target_hostname);
if (!remote_ldb_url) {
r->out.error_string = NULL;
talloc_free(tmp_ctx);
diff --git a/source4/libnet/libnet_rpc.c b/source4/libnet/libnet_rpc.c
index 53c8ba86a1..cedd0d07c0 100644
--- a/source4/libnet/libnet_rpc.c
+++ b/source4/libnet/libnet_rpc.c
@@ -53,6 +53,7 @@ static struct composite_context* libnet_RpcConnectSrv_send(struct libnet_context
{
struct composite_context *c;
struct rpc_connect_srv_state *s;
+ struct dcerpc_binding *b;
struct composite_context *pipe_connect_req;
/* composite context allocation and setup */
@@ -72,16 +73,21 @@ static struct composite_context* libnet_RpcConnectSrv_send(struct libnet_context
/* prepare binding string */
switch (r->level) {
- case LIBNET_RPC_CONNECT_DC:
- case LIBNET_RPC_CONNECT_PDC:
case LIBNET_RPC_CONNECT_SERVER:
s->binding = talloc_asprintf(s, "ncacn_np:%s", r->in.name);
break;
+ case LIBNET_RPC_CONNECT_SERVER_ADDRESS:
+ s->binding = talloc_asprintf(s, "ncacn_np:%s", r->in.address);
+ break;
case LIBNET_RPC_CONNECT_BINDING:
s->binding = talloc_strdup(s, r->in.binding);
break;
+ case LIBNET_RPC_CONNECT_DC:
+ case LIBNET_RPC_CONNECT_PDC:
+ /* this should never happen - DC and PDC level has a separate
+ composite function */
case LIBNET_RPC_CONNECT_DC_INFO:
/* this should never happen - DC_INFO level has a separate
composite function */
@@ -89,9 +95,23 @@ static struct composite_context* libnet_RpcConnectSrv_send(struct libnet_context
return c;
}
+ /* parse binding string to the structure */
+ c->status = dcerpc_parse_binding(c, s->binding, &b);
+ if (!NT_STATUS_IS_OK(c->status)) {
+ DEBUG(0, ("Failed to parse dcerpc binding '%s'\n", s->binding));
+ composite_error(c, c->status);
+ return c;
+ }
+
+ if (r->level == LIBNET_RPC_CONNECT_SERVER_ADDRESS) {
+ b->target_hostname = talloc_reference(b, r->in.name);
+ if (composite_nomem(b->target_hostname, c)) {
+ return c;
+ }
+ }
+
/* connect to remote dcerpc pipe */
- pipe_connect_req = dcerpc_pipe_connect_send(c, &s->r.out.dcerpc_pipe,
- s->binding, r->in.dcerpc_iface,
+ pipe_connect_req = dcerpc_pipe_connect_b_send(c, b, r->in.dcerpc_iface,
ctx->cred, c->event_ctx);
if (composite_nomem(pipe_connect_req, c)) return c;
@@ -112,7 +132,7 @@ static void continue_pipe_connect(struct composite_context *ctx)
s = talloc_get_type(c->private_data, struct rpc_connect_srv_state);
/* receive result of rpc pipe connection */
- c->status = dcerpc_pipe_connect_recv(ctx, c, &s->r.out.dcerpc_pipe);
+ c->status = dcerpc_pipe_connect_b_recv(ctx, c, &s->r.out.dcerpc_pipe);
s->r.out.error_string = NULL;
composite_done(c);
@@ -237,7 +257,7 @@ static struct composite_context* libnet_RpcConnectDC_send(struct libnet_context
/*
- Step 2 of RpcConnectDC: get domain controller name/address and
+ Step 2 of RpcConnectDC: get domain controller name and
initiate RpcConnect to it
*/
static void continue_lookup_dc(struct composite_context *ctx)
@@ -256,19 +276,7 @@ static void continue_lookup_dc(struct composite_context *ctx)
if (!composite_is_ok(c)) return;
/* decide on preferred address type depending on DC type */
- switch (s->r.level) {
- case LIBNET_RPC_CONNECT_PDC:
- s->connect_name = s->f.out.dcs[0].name;
- break;
-
- case LIBNET_RPC_CONNECT_DC:
- s->connect_name = s->f.out.dcs[0].address;
- break;
-
- default:
- /* we shouldn't absolutely get here */
- composite_error(c, NT_STATUS_INVALID_LEVEL);
- }
+ s->connect_name = s->f.out.dcs[0].name;
/* prepare a monitor message and post it */
msg.type = net_lookup_dc;
@@ -282,11 +290,12 @@ static void continue_lookup_dc(struct composite_context *ctx)
if (s->monitor_fn) s->monitor_fn(&msg);
/* ok, pdc has been found so do attempt to rpc connect */
- s->r2.level = s->r.level;
+ s->r2.level = LIBNET_RPC_CONNECT_SERVER_ADDRESS;
/* this will cause yet another name resolution, but at least
* we pass the right name down the stack now */
- s->r2.in.name = talloc_strdup(c, s->connect_name);
+ s->r2.in.name = talloc_strdup(s, s->connect_name);
+ s->r2.in.address = talloc_steal(s, s->f.out.dcs[0].address);
s->r2.in.dcerpc_iface = s->r.in.dcerpc_iface;
/* send rpc connect request to the server */
@@ -630,7 +639,7 @@ static void continue_lsa_query_info(struct rpc_request *req)
*s->final_binding = *s->lsa_pipe->binding;
/* Ensure we keep hold of the member elements */
- talloc_reference(s->final_binding, s->lsa_pipe->binding);
+ if (composite_nomem(talloc_reference(s->final_binding, s->lsa_pipe->binding), c)) return;
epm_map_req = dcerpc_epm_map_binding_send(c, s->final_binding, s->r.in.dcerpc_iface,
s->lsa_pipe->conn->event_ctx);
@@ -735,7 +744,11 @@ static NTSTATUS libnet_RpcConnectDCInfo_recv(struct composite_context *c, struct
}
} else {
- r->out.error_string = talloc_steal(mem_ctx, s->r.out.error_string);
+ if (s->r.out.error_string) {
+ r->out.error_string = talloc_steal(mem_ctx, s->r.out.error_string);
+ } else {
+ r->out.error_string = talloc_asprintf(mem_ctx, "Connection to DC failed: %s", nt_errstr(status));
+ }
}
talloc_free(c);
@@ -761,6 +774,7 @@ struct composite_context* libnet_RpcConnect_send(struct libnet_context *ctx,
switch (r->level) {
case LIBNET_RPC_CONNECT_SERVER:
+ case LIBNET_RPC_CONNECT_SERVER_ADDRESS:
case LIBNET_RPC_CONNECT_BINDING:
c = libnet_RpcConnectSrv_send(ctx, mem_ctx, r);
break;
diff --git a/source4/libnet/libnet_rpc.h b/source4/libnet/libnet_rpc.h
index 178e1cc269..2663cec869 100644
--- a/source4/libnet/libnet_rpc.h
+++ b/source4/libnet/libnet_rpc.h
@@ -26,14 +26,16 @@
*/
enum libnet_RpcConnect_level {
- LIBNET_RPC_CONNECT_SERVER, /* connect to a standalone rpc server */
- LIBNET_RPC_CONNECT_PDC, /* connect to a domain pdc (resolves domain
- name to a pdc address before connecting) */
- LIBNET_RPC_CONNECT_DC, /* connect to any DC (resolves domain
- name to a DC address before connecting) */
- LIBNET_RPC_CONNECT_BINDING, /* specified binding string */
- LIBNET_RPC_CONNECT_DC_INFO /* connect to a DC and provide basic domain
- information (name, realm, sid, guid) */
+ LIBNET_RPC_CONNECT_SERVER, /* connect to a standalone rpc server */
+ LIBNET_RPC_CONNECT_SERVER_ADDRESS, /* connect to a standalone rpc server,
+ knowing both name and address */
+ LIBNET_RPC_CONNECT_PDC, /* connect to a domain pdc (resolves domain
+ name to a pdc address before connecting) */
+ LIBNET_RPC_CONNECT_DC, /* connect to any DC (resolves domain
+ name to a DC address before connecting) */
+ LIBNET_RPC_CONNECT_BINDING, /* specified binding string */
+ LIBNET_RPC_CONNECT_DC_INFO /* connect to a DC and provide basic domain
+ information (name, realm, sid, guid) */
};
struct libnet_RpcConnect {
@@ -41,6 +43,7 @@ struct libnet_RpcConnect {
struct {
const char *name;
+ const char *address;
const char *binding;
const struct dcerpc_interface_table *dcerpc_iface;
} in;
generated by cgit (git 2.34.1) at 2024-12-19 23:35:46 +0000