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-rw-r--r--source4/librpc/rpc/dcerpc.h1
-rw-r--r--source4/librpc/rpc/dcerpc_connect.c31
-rw-r--r--source4/librpc/rpc/dcerpc_sock.c48
-rw-r--r--source4/librpc/rpc/dcerpc_util.c3
4 files changed, 52 insertions, 31 deletions
diff --git a/source4/librpc/rpc/dcerpc.h b/source4/librpc/rpc/dcerpc.h
index a609d17795..6bde842371 100644
--- a/source4/librpc/rpc/dcerpc.h
+++ b/source4/librpc/rpc/dcerpc.h
@@ -193,6 +193,7 @@ struct dcerpc_binding {
enum dcerpc_transport_t transport;
struct dcerpc_syntax_id object;
const char *host;
+ const char *target_hostname;
const char *endpoint;
const char **options;
uint32_t flags;
diff --git a/source4/librpc/rpc/dcerpc_connect.c b/source4/librpc/rpc/dcerpc_connect.c
index fba0ae0c02..c35da23f58 100644
--- a/source4/librpc/rpc/dcerpc_connect.c
+++ b/source4/librpc/rpc/dcerpc_connect.c
@@ -111,14 +111,11 @@ struct composite_context *dcerpc_pipe_connect_ncacn_np_smb_send(TALLOC_CTX *mem_
remote rpc server */
conn->in.dest_host = s->io.binding->host;
conn->in.port = 0;
- conn->in.called_name = strupper_talloc(mem_ctx, s->io.binding->host);
+ conn->in.called_name = s->io.binding->target_hostname;
conn->in.service = "IPC$";
conn->in.service_type = NULL;
conn->in.workgroup = lp_workgroup();
- /* verify if called_name has been allocated when uppercasing */
- if (composite_nomem(conn->in.called_name, c)) return c;
-
/*
* provide proper credentials - user supplied, but allow a
* fallback to anonymous if this is an schannel connection
@@ -281,6 +278,7 @@ NTSTATUS dcerpc_pipe_connect_ncacn_np_smb2(TALLOC_CTX *mem_ctx,
struct pipe_ip_tcp_state {
struct dcerpc_pipe_connect io;
const char *host;
+ const char *target_hostname;
uint32_t port;
};
@@ -321,12 +319,15 @@ struct composite_context* dcerpc_pipe_connect_ncacn_ip_tcp_send(TALLOC_CTX *mem_
c->private_data = s;
/* store input parameters in state structure */
- s->io = *io;
- s->host = talloc_strdup(c, io->binding->host);
- s->port = atoi(io->binding->endpoint); /* port number is a binding endpoint here */
+ s->io = *io;
+ s->host = talloc_reference(c, io->binding->host);
+ s->target_hostname = talloc_reference(c, io->binding->target_hostname);
+ /* port number is a binding endpoint here */
+ s->port = atoi(io->binding->endpoint);
/* send pipe open request on tcp/ip */
- pipe_req = dcerpc_pipe_open_tcp_send(s->io.pipe->conn, s->host, s->port);
+ pipe_req = dcerpc_pipe_open_tcp_send(s->io.pipe->conn, s->host, s->target_hostname,
+ s->port);
composite_continue(c, pipe_req, continue_pipe_open_ncacn_ip_tcp, c);
return c;
}
@@ -822,10 +823,11 @@ NTSTATUS dcerpc_pipe_connect_b_recv(struct composite_context *c, TALLOC_CTX *mem
status = composite_wait(c);
- s = talloc_get_type(c->private_data, struct pipe_connect_state);
- talloc_steal(mem_ctx, s->pipe);
- *p = s->pipe;
-
+ if (NT_STATUS_IS_OK(status)) {
+ s = talloc_get_type(c->private_data, struct pipe_connect_state);
+ talloc_steal(mem_ctx, s->pipe);
+ *p = s->pipe;
+ }
talloc_free(c);
return status;
}
@@ -864,7 +866,6 @@ static void continue_pipe_connect_b(struct composite_context *ctx);
The string is to be parsed to a binding structure first.
*/
struct composite_context* dcerpc_pipe_connect_send(TALLOC_CTX *parent_ctx,
- struct dcerpc_pipe **pp,
const char *binding,
const struct dcerpc_interface_table *table,
struct cli_credentials *credentials,
@@ -966,7 +967,8 @@ NTSTATUS dcerpc_pipe_connect(TALLOC_CTX *parent_ctx,
struct event_context *ev)
{
struct composite_context *c;
- c = dcerpc_pipe_connect_send(parent_ctx, pp, binding, table,
+ c = dcerpc_pipe_connect_send(parent_ctx, binding,
+ table,
credentials, ev);
return dcerpc_pipe_connect_recv(c, parent_ctx, pp);
}
@@ -1032,6 +1034,7 @@ struct composite_context* dcerpc_secondary_connection_send(struct dcerpc_pipe *p
case NCACN_IP_TCP:
pipe_tcp_req = dcerpc_pipe_open_tcp_send(s->pipe2->conn,
s->binding->host,
+ s->binding->target_hostname,
atoi(s->binding->endpoint));
composite_continue(c, pipe_tcp_req, continue_open_tcp, c);
return c;
diff --git a/source4/librpc/rpc/dcerpc_sock.c b/source4/librpc/rpc/dcerpc_sock.c
index 88e8381608..2cd6fcfb4c 100644
--- a/source4/librpc/rpc/dcerpc_sock.c
+++ b/source4/librpc/rpc/dcerpc_sock.c
@@ -206,6 +206,7 @@ struct pipe_open_socket_state {
struct socket_context *socket_ctx;
struct sock_private *sock;
struct socket_address *server;
+ const char *target_hostname;
enum dcerpc_transport_t transport;
};
@@ -248,7 +249,7 @@ static void continue_socket_connect(struct composite_context *ctx)
sock->sock = s->socket_ctx;
sock->pending_reads = 0;
- sock->server_name = strupper_talloc(sock, s->server->addr);
+ sock->server_name = strupper_talloc(sock, s->target_hostname);
sock->fde = event_add_fd(conn->event_ctx, sock->sock, socket_get_fd(sock->sock),
0, sock_io_handler, conn);
@@ -283,6 +284,7 @@ static void continue_socket_connect(struct composite_context *ctx)
struct composite_context *dcerpc_pipe_open_socket_send(TALLOC_CTX *mem_ctx,
struct dcerpc_connection *cn,
struct socket_address *server,
+ const char *target_hostname,
enum dcerpc_transport_t transport)
{
struct composite_context *c;
@@ -300,6 +302,7 @@ struct composite_context *dcerpc_pipe_open_socket_send(TALLOC_CTX *mem_ctx,
s->transport = transport;
s->server = talloc_reference(c, server);
if (composite_nomem(s->server, c)) return c;
+ s->target_hostname = talloc_reference(s, target_hostname);
s->sock = talloc(cn, struct sock_private);
if (composite_nomem(s->sock, c)) return c;
@@ -328,17 +331,19 @@ NTSTATUS dcerpc_pipe_open_socket_recv(struct composite_context *c)
*/
NTSTATUS dcerpc_pipe_open_socket(struct dcerpc_connection *conn,
struct socket_address *server,
+ const char *target_hostname,
enum dcerpc_transport_t transport)
{
struct composite_context *c;
- c = dcerpc_pipe_open_socket_send(conn, conn, server, transport);
+ c = dcerpc_pipe_open_socket_send(conn, conn, server, target_hostname, transport);
return dcerpc_pipe_open_socket_recv(c);
}
struct pipe_tcp_state {
- const char *server;
+ const char *target_hostname;
+ const char *address;
uint32_t port;
struct socket_address *srvaddr;
struct dcerpc_connection *conn;
@@ -371,11 +376,13 @@ void continue_ipv6_open_socket(struct composite_context *ctx)
talloc_free(s->srvaddr);
/* prepare server address using host:ip and transport name */
- s->srvaddr = socket_address_from_strings(s->conn, "ipv4", s->server, s->port);
+ s->srvaddr = socket_address_from_strings(s->conn, "ipv4", s->address, s->port);
if (composite_nomem(s->srvaddr, c)) return;
/* try IPv4 if IPv6 fails */
- sock_ipv4_req = dcerpc_pipe_open_socket_send(c, s->conn, s->srvaddr, NCACN_IP_TCP);
+ sock_ipv4_req = dcerpc_pipe_open_socket_send(c, s->conn,
+ s->srvaddr, s->target_hostname,
+ NCACN_IP_TCP);
composite_continue(c, sock_ipv4_req, continue_ipv4_open_socket, c);
}
@@ -395,8 +402,9 @@ void continue_ipv4_open_socket(struct composite_context *ctx)
c->status = dcerpc_pipe_open_socket_recv(ctx);
if (!NT_STATUS_IS_OK(c->status)) {
/* something went wrong... */
- DEBUG(0, ("Failed to connect host %s on port %d - %s.\n",
- s->server, s->port, nt_errstr(c->status)));
+ DEBUG(0, ("Failed to connect host %s (%s) on port %d - %s.\n",
+ s->address, s->target_hostname,
+ s->port, nt_errstr(c->status)));
composite_error(c, c->status);
return;
@@ -411,7 +419,9 @@ void continue_ipv4_open_socket(struct composite_context *ctx)
tcp/ip transport
*/
struct composite_context* dcerpc_pipe_open_tcp_send(struct dcerpc_connection *conn,
- const char* server, uint32_t port)
+ const char *address,
+ const char *target_hostname,
+ uint32_t port)
{
struct composite_context *c;
struct composite_context *sock_ipv6_req;
@@ -426,16 +436,19 @@ struct composite_context* dcerpc_pipe_open_tcp_send(struct dcerpc_connection *co
c->private_data = s;
/* store input parameters in state structure */
- s->server = talloc_strdup(c, server);
- s->port = port;
- s->conn = conn;
+ s->address = talloc_strdup(c, address);
+ s->target_hostname = talloc_strdup(c, target_hostname);
+ s->port = port;
+ s->conn = conn;
/* prepare server address using host ip:port and transport name */
- s->srvaddr = socket_address_from_strings(s->conn, "ipv6", s->server, s->port);
+ s->srvaddr = socket_address_from_strings(s->conn, "ipv6", address, s->port);
if (composite_nomem(s->srvaddr, c)) return c;
/* try IPv6 first - send socket open request */
- sock_ipv6_req = dcerpc_pipe_open_socket_send(c, s->conn, s->srvaddr, NCACN_IP_TCP);
+ sock_ipv6_req = dcerpc_pipe_open_socket_send(c, s->conn,
+ s->srvaddr, s->target_hostname,
+ NCACN_IP_TCP);
composite_continue(c, sock_ipv6_req, continue_ipv6_open_socket, c);
return c;
}
@@ -458,11 +471,12 @@ NTSTATUS dcerpc_pipe_open_tcp_recv(struct composite_context *c)
Open rpc pipe on tcp/ip transport - sync version
*/
NTSTATUS dcerpc_pipe_open_tcp(struct dcerpc_connection *conn, const char *server,
+ const char *target_hostname,
uint32_t port)
{
struct composite_context *c;
- c = dcerpc_pipe_open_tcp_send(conn, server, port);
+ c = dcerpc_pipe_open_tcp_send(conn, server, target_hostname, port);
return dcerpc_pipe_open_tcp_recv(c);
}
@@ -521,7 +535,9 @@ struct composite_context *dcerpc_pipe_open_unix_stream_send(struct dcerpc_connec
if (composite_nomem(s->srvaddr, c)) return c;
/* send socket open request */
- sock_unix_req = dcerpc_pipe_open_socket_send(c, s->conn, s->srvaddr, NCALRPC);
+ sock_unix_req = dcerpc_pipe_open_socket_send(c, s->conn,
+ s->srvaddr, NULL,
+ NCALRPC);
composite_continue(c, sock_unix_req, continue_unix_open_socket, c);
return c;
}
@@ -605,7 +621,7 @@ struct composite_context* dcerpc_pipe_open_pipe_send(struct dcerpc_connection *c
if (composite_nomem(s->srvaddr, c)) return c;
/* send socket open request */
- sock_np_req = dcerpc_pipe_open_socket_send(c, s->conn, s->srvaddr, NCALRPC);
+ sock_np_req = dcerpc_pipe_open_socket_send(c, s->conn, s->srvaddr, NULL, NCALRPC);
composite_continue(c, sock_np_req, continue_np_open_socket, c);
return c;
}
diff --git a/source4/librpc/rpc/dcerpc_util.c b/source4/librpc/rpc/dcerpc_util.c
index 73e11f10f0..bdc0f8f6c5 100644
--- a/source4/librpc/rpc/dcerpc_util.c
+++ b/source4/librpc/rpc/dcerpc_util.c
@@ -358,11 +358,12 @@ NTSTATUS dcerpc_parse_binding(TALLOC_CTX *mem_ctx, const char *s, struct dcerpc_
b->host = talloc_strdup(b, s);
options = NULL;
}
-
if (!b->host) {
return NT_STATUS_NO_MEMORY;
}
+ b->target_hostname = b->host;
+
b->options = NULL;
b->flags = 0;
b->endpoint = NULL;
generated by cgit (git 2.34.1) at 2024-07-29 20:37:10 +0000