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Diffstat (limited to 'source4/smbd/service_named_pipe.c')
-rw-r--r--source4/smbd/service_named_pipe.c519
1 files changed, 311 insertions, 208 deletions
diff --git a/source4/smbd/service_named_pipe.c b/source4/smbd/service_named_pipe.c
index 712742be1f..ec833d0c5a 100644
--- a/source4/smbd/service_named_pipe.c
+++ b/source4/smbd/service_named_pipe.c
@@ -25,9 +25,12 @@
#include "param/param.h"
#include "auth/session.h"
#include "auth/auth_sam_reply.h"
-#include "lib/stream/packet.h"
+#include "lib/socket/socket.h"
+#include "lib/tsocket/tsocket.h"
+#include "libcli/util/tstream.h"
#include "librpc/gen_ndr/ndr_named_pipe_auth.h"
#include "system/passwd.h"
+#include "system/network.h"
#include "libcli/raw/smb.h"
#include "auth/credentials/credentials.h"
#include "auth/credentials/credentials_krb5.h"
@@ -41,224 +44,309 @@ struct named_pipe_socket {
struct named_pipe_connection {
struct stream_connection *connection;
- struct packet_context *packet;
const struct named_pipe_socket *pipe_sock;
- NTSTATUS status;
+ struct tstream_context *tstream;
};
-static void named_pipe_handover_connection(void *private_data)
+static void named_pipe_terminate_connection(struct named_pipe_connection *pipe_conn, const char *reason)
{
- struct named_pipe_connection *pipe_conn = talloc_get_type(
- private_data, struct named_pipe_connection);
- struct stream_connection *conn = pipe_conn->connection;
+ stream_terminate_connection(pipe_conn->connection, reason);
+}
+
+static NTSTATUS named_pipe_full_request(void *private_data, DATA_BLOB blob, size_t *size)
+{
+ if (blob.length < 8) {
+ return STATUS_MORE_ENTRIES;
+ }
+
+ if (memcmp(NAMED_PIPE_AUTH_MAGIC, &blob.data[4], 4) != 0) {
+ DEBUG(0,("named_pipe_full_request: wrong protocol\n"));
+ *size = blob.length;
+ /* the error will be handled in named_pipe_recv_auth_request */
+ return NT_STATUS_OK;
+ }
+
+ *size = 4 + RIVAL(blob.data, 0);
+ if (*size > blob.length) {
+ return STATUS_MORE_ENTRIES;
+ }
- TEVENT_FD_NOT_WRITEABLE(conn->event.fde);
+ return NT_STATUS_OK;
+}
- packet_set_socket(pipe_conn->packet, NULL);
- packet_set_event_context(pipe_conn->packet, NULL);
- packet_set_fde(pipe_conn->packet, NULL);
- TALLOC_FREE(pipe_conn->packet);
+static void named_pipe_auth_request(struct tevent_req *subreq);
- if (!NT_STATUS_IS_OK(pipe_conn->status)) {
- stream_terminate_connection(conn, nt_errstr(pipe_conn->status));
+static void named_pipe_accept(struct stream_connection *conn)
+{
+ struct named_pipe_socket *pipe_sock = talloc_get_type(conn->private_data,
+ struct named_pipe_socket);
+ struct named_pipe_connection *pipe_conn;
+ struct tevent_req *subreq;
+ int rc, fd;
+
+ pipe_conn = talloc_zero(conn, struct named_pipe_connection);
+ if (pipe_conn == NULL) {
+ stream_terminate_connection(conn,
+ "named_pipe_accept: out of memory");
return;
}
+ TALLOC_FREE(conn->event.fde);
+
/*
- * remove the named_pipe layer together with its packet layer
+ * We have to duplicate the fd, cause it gets closed when the tstream
+ * is freed and you shouldn't work a fd the tstream is based on.
*/
- conn->ops = pipe_conn->pipe_sock->ops;
- conn->private_data = pipe_conn->pipe_sock->private_data;
- talloc_unlink(conn, pipe_conn);
+ fd = dup(socket_get_fd(conn->socket));
+ if (fd == -1) {
+ char *reason;
+
+ reason = talloc_asprintf(conn,
+ "named_pipe_accept: failed to duplicate the file descriptor - %s",
+ strerror(errno));
+ if (reason == NULL) {
+ reason = strerror(errno);
+ }
+ stream_terminate_connection(conn, reason);
+ }
+ rc = tstream_bsd_existing_socket(pipe_conn,
+ fd,
+ &pipe_conn->tstream);
+ if (rc < 0) {
+ stream_terminate_connection(conn,
+ "named_pipe_accept: out of memory");
+ return;
+ }
- /* we're now ready to start receiving events on this stream */
- TEVENT_FD_READABLE(conn->event.fde);
+ pipe_conn->connection = conn;
+ pipe_conn->pipe_sock = pipe_sock;
+ conn->private_data = pipe_conn;
/*
- * hand over to the real pipe implementation,
- * now that we have setup the transport session_info
+ * The named pipe pdu's have the length as 8 byte (initial_read_size),
+ * named_pipe_full_request provides the pdu length then.
*/
- conn->ops->accept_connection(conn);
-
- DEBUG(10,("named_pipe_handover_connection[%s]: succeeded\n",
- conn->ops->name));
+ subreq = tstream_read_pdu_blob_send(pipe_conn,
+ pipe_conn->connection->event.ctx,
+ pipe_conn->tstream,
+ 8, /* initial_read_size */
+ named_pipe_full_request,
+ pipe_conn);
+ if (subreq == NULL) {
+ named_pipe_terminate_connection(pipe_conn,
+ "named_pipe_accept: "
+ "no memory for tstream_read_pdu_blob_send");
+ return;
+ }
+ tevent_req_set_callback(subreq, named_pipe_auth_request, pipe_conn);
}
-static NTSTATUS named_pipe_recv_auth_request(void *private_data,
- DATA_BLOB req_blob)
+struct named_pipe_call {
+ struct named_pipe_connection *pipe_conn;
+ DATA_BLOB in;
+ DATA_BLOB out;
+ struct iovec out_iov[1];
+ NTSTATUS status;
+};
+
+static void named_pipe_handover_connection(struct tevent_req *subreq);
+
+static void named_pipe_auth_request(struct tevent_req *subreq)
{
- struct named_pipe_connection *pipe_conn = talloc_get_type(
- private_data, struct named_pipe_connection);
+ struct named_pipe_connection *pipe_conn = tevent_req_callback_data(subreq,
+ struct named_pipe_connection);
struct stream_connection *conn = pipe_conn->connection;
+ struct named_pipe_call *call;
enum ndr_err_code ndr_err;
- struct named_pipe_auth_req req;
union netr_Validation val;
struct auth_serversupplied_info *server_info;
- struct named_pipe_auth_rep rep;
- DATA_BLOB rep_blob;
+ struct named_pipe_auth_req pipe_request;
+ struct named_pipe_auth_rep pipe_reply;
NTSTATUS status;
- /*
- * make sure nothing happens on the socket untill the
- * real implementation takes over
- */
- packet_recv_disable(pipe_conn->packet);
+ call = talloc(pipe_conn, struct named_pipe_call);
+ if (call == NULL) {
+ named_pipe_terminate_connection(pipe_conn,
+ "named_pipe_auth_request: "
+ "no memory for named_pipe_call");
+ return;
+ }
+ call->pipe_conn = pipe_conn;
+
+ status = tstream_read_pdu_blob_recv(subreq,
+ call,
+ &call->in);
+ TALLOC_FREE(subreq);
+ if (!NT_STATUS_IS_OK(status)) {
+ const char *reason;
+
+ reason = talloc_asprintf(call, "named_pipe_call_loop: "
+ "tstream_read_pdu_blob_recv() - %s",
+ nt_errstr(status));
+ if (reason == NULL) {
+ reason = nt_errstr(status);
+ }
+
+ named_pipe_terminate_connection(pipe_conn, reason);
+ return;
+ }
+
+ DEBUG(10,("Received named_pipe packet of length %lu from %s\n",
+ (long) call->in.length,
+ tsocket_address_string(pipe_conn->connection->remote_address, call)));
+ dump_data(11, call->in.data, call->in.length);
/*
* TODO: check it's a root (uid == 0) pipe
*/
- ZERO_STRUCT(rep);
- rep.level = 0;
- rep.status = NT_STATUS_INTERNAL_ERROR;
-
- DEBUG(10,("named_pipe_auth: req_blob.length[%u]\n",
- (unsigned int)req_blob.length));
- dump_data(11, req_blob.data, req_blob.length);
+ ZERO_STRUCT(pipe_reply);
+ pipe_reply.level = 0;
+ pipe_reply.status = NT_STATUS_INTERNAL_ERROR;
/* parse the passed credentials */
ndr_err = ndr_pull_struct_blob_all(
- &req_blob,
+ &call->in,
pipe_conn,
lp_iconv_convenience(conn->lp_ctx),
- &req,
- (ndr_pull_flags_fn_t)ndr_pull_named_pipe_auth_req);
+ &pipe_request,
+ (ndr_pull_flags_fn_t) ndr_pull_named_pipe_auth_req);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
- rep.status = ndr_map_error2ntstatus(ndr_err);
+ pipe_reply.status = ndr_map_error2ntstatus(ndr_err);
DEBUG(2, ("Could not unmarshall named_pipe_auth_req: %s\n",
- nt_errstr(rep.status)));
+ nt_errstr(pipe_reply.status)));
goto reply;
}
if (DEBUGLVL(10)) {
- NDR_PRINT_DEBUG(named_pipe_auth_req, &req);
+ NDR_PRINT_DEBUG(named_pipe_auth_req, &pipe_request);
}
- if (strcmp(NAMED_PIPE_AUTH_MAGIC, req.magic) != 0) {
+ if (strcmp(NAMED_PIPE_AUTH_MAGIC, pipe_request.magic) != 0) {
DEBUG(2, ("named_pipe_auth_req: invalid magic '%s' != %s\n",
- req.magic, NAMED_PIPE_AUTH_MAGIC));
- rep.status = NT_STATUS_INVALID_PARAMETER;
+ pipe_request.magic, NAMED_PIPE_AUTH_MAGIC));
+ pipe_reply.status = NT_STATUS_INVALID_PARAMETER;
goto reply;
}
- switch (req.level) {
+ switch (pipe_request.level) {
case 0:
/*
* anon connection, we don't create a session info
* and leave it NULL
*/
- rep.level = 0;
- rep.status = NT_STATUS_OK;
+ pipe_reply.level = 0;
+ pipe_reply.status = NT_STATUS_OK;
break;
case 1:
- val.sam3 = &req.info.info1;
-
- rep.level = 1;
- rep.status = make_server_info_netlogon_validation(pipe_conn,
- "TODO",
- 3, &val,
- &server_info);
- if (!NT_STATUS_IS_OK(rep.status)) {
+ val.sam3 = &pipe_request.info.info1;
+
+ pipe_reply.level = 1;
+ pipe_reply.status = make_server_info_netlogon_validation(pipe_conn,
+ "TODO",
+ 3, &val,
+ &server_info);
+ if (!NT_STATUS_IS_OK(pipe_reply.status)) {
DEBUG(2, ("make_server_info_netlogon_validation returned "
- "%s\n", nt_errstr(rep.status)));
+ "%s\n", nt_errstr(pipe_reply.status)));
goto reply;
}
/* setup the session_info on the connection */
- rep.status = auth_generate_session_info(conn,
- conn->event.ctx,
- conn->lp_ctx,
- server_info,
- &conn->session_info);
- if (!NT_STATUS_IS_OK(rep.status)) {
+ pipe_reply.status = auth_generate_session_info(conn,
+ conn->event.ctx,
+ conn->lp_ctx,
+ server_info,
+ &conn->session_info);
+ if (!NT_STATUS_IS_OK(pipe_reply.status)) {
DEBUG(2, ("auth_generate_session_info failed: %s\n",
- nt_errstr(rep.status)));
+ nt_errstr(pipe_reply.status)));
goto reply;
}
break;
case 2:
- rep.level = 2;
- rep.info.info2.file_type = FILE_TYPE_MESSAGE_MODE_PIPE;
- rep.info.info2.device_state = 0xff | 0x0400 | 0x0100;
- rep.info.info2.allocation_size = 4096;
+ pipe_reply.level = 2;
+ pipe_reply.info.info2.file_type = FILE_TYPE_MESSAGE_MODE_PIPE;
+ pipe_reply.info.info2.device_state = 0xff | 0x0400 | 0x0100;
+ pipe_reply.info.info2.allocation_size = 4096;
- if (!req.info.info2.sam_info3) {
+ if (pipe_request.info.info2.sam_info3 == NULL) {
/*
* anon connection, we don't create a session info
* and leave it NULL
*/
- rep.status = NT_STATUS_OK;
+ pipe_reply.status = NT_STATUS_OK;
break;
}
- val.sam3 = req.info.info2.sam_info3;
+ val.sam3 = pipe_request.info.info2.sam_info3;
- rep.status = make_server_info_netlogon_validation(pipe_conn,
+ pipe_reply.status = make_server_info_netlogon_validation(pipe_conn,
val.sam3->base.account_name.string,
3, &val, &server_info);
- if (!NT_STATUS_IS_OK(rep.status)) {
+ if (!NT_STATUS_IS_OK(pipe_reply.status)) {
DEBUG(2, ("make_server_info_netlogon_validation returned "
- "%s\n", nt_errstr(rep.status)));
+ "%s\n", nt_errstr(pipe_reply.status)));
goto reply;
}
/* setup the session_info on the connection */
- rep.status = auth_generate_session_info(conn,
+ pipe_reply.status = auth_generate_session_info(conn,
conn->event.ctx,
conn->lp_ctx,
server_info,
&conn->session_info);
- if (!NT_STATUS_IS_OK(rep.status)) {
+ if (!NT_STATUS_IS_OK(pipe_reply.status)) {
DEBUG(2, ("auth_generate_session_info failed: %s\n",
- nt_errstr(rep.status)));
+ nt_errstr(pipe_reply.status)));
goto reply;
}
- conn->session_info->session_key = data_blob_const(req.info.info2.session_key,
- req.info.info2.session_key_length);
- talloc_steal(conn->session_info, req.info.info2.session_key);
+ conn->session_info->session_key = data_blob_const(pipe_request.info.info2.session_key,
+ pipe_request.info.info2.session_key_length);
+ talloc_steal(conn->session_info, pipe_request.info.info2.session_key);
break;
case 3:
- rep.level = 3;
- rep.info.info3.file_type = FILE_TYPE_MESSAGE_MODE_PIPE;
- rep.info.info3.device_state = 0xff | 0x0400 | 0x0100;
- rep.info.info3.allocation_size = 4096;
+ pipe_reply.level = 3;
+ pipe_reply.info.info3.file_type = FILE_TYPE_MESSAGE_MODE_PIPE;
+ pipe_reply.info.info3.device_state = 0xff | 0x0400 | 0x0100;
+ pipe_reply.info.info3.allocation_size = 4096;
- if (!req.info.info3.sam_info3) {
+ if (pipe_request.info.info3.sam_info3 == NULL) {
/*
* anon connection, we don't create a session info
* and leave it NULL
*/
- rep.status = NT_STATUS_OK;
+ pipe_reply.status = NT_STATUS_OK;
break;
}
- val.sam3 = req.info.info3.sam_info3;
+ val.sam3 = pipe_request.info.info3.sam_info3;
- rep.status = make_server_info_netlogon_validation(pipe_conn,
+ pipe_reply.status = make_server_info_netlogon_validation(pipe_conn,
val.sam3->base.account_name.string,
3, &val, &server_info);
- if (!NT_STATUS_IS_OK(rep.status)) {
+ if (!NT_STATUS_IS_OK(pipe_reply.status)) {
DEBUG(2, ("make_server_info_netlogon_validation returned "
- "%s\n", nt_errstr(rep.status)));
+ "%s\n", nt_errstr(pipe_reply.status)));
goto reply;
}
/* setup the session_info on the connection */
- rep.status = auth_generate_session_info(conn,
- conn->event.ctx,
- conn->lp_ctx,
- server_info,
- &conn->session_info);
- if (!NT_STATUS_IS_OK(rep.status)) {
+ pipe_reply.status = auth_generate_session_info(conn,
+ conn->event.ctx,
+ conn->lp_ctx,
+ server_info,
+ &conn->session_info);
+ if (!NT_STATUS_IS_OK(pipe_reply.status)) {
DEBUG(2, ("auth_generate_session_info failed: %s\n",
- nt_errstr(rep.status)));
+ nt_errstr(pipe_reply.status)));
goto reply;
}
- if (req.info.info3.gssapi_delegated_creds_length) {
+ if (pipe_request.info.info3.gssapi_delegated_creds_length) {
OM_uint32 minor_status;
gss_buffer_desc cred_token;
gss_cred_id_t cred_handle;
@@ -267,20 +355,20 @@ static NTSTATUS named_pipe_recv_auth_request(void *private_data,
DEBUG(10, ("named_pipe_auth: delegated credentials supplied by client\n"));
- cred_token.value = req.info.info3.gssapi_delegated_creds;
- cred_token.length = req.info.info3.gssapi_delegated_creds_length;
+ cred_token.value = pipe_request.info.info3.gssapi_delegated_creds;
+ cred_token.length = pipe_request.info.info3.gssapi_delegated_creds_length;
ret = gss_import_cred(&minor_status,
&cred_token,
&cred_handle);
if (ret != GSS_S_COMPLETE) {
- rep.status = NT_STATUS_INTERNAL_ERROR;
+ pipe_reply.status = NT_STATUS_INTERNAL_ERROR;
goto reply;
}
conn->session_info->credentials = cli_credentials_init(conn->session_info);
- if (!conn->session_info->credentials) {
- rep.status = NT_STATUS_NO_MEMORY;
+ if (conn->session_info->credentials == NULL) {
+ pipe_reply.status = NT_STATUS_NO_MEMORY;
goto reply;
}
@@ -295,7 +383,7 @@ static NTSTATUS named_pipe_recv_auth_request(void *private_data,
cred_handle,
CRED_SPECIFIED, &error_string);
if (ret) {
- rep.status = NT_STATUS_INTERNAL_ERROR;
+ pipe_reply.status = NT_STATUS_INTERNAL_ERROR;
DEBUG(2, ("Failed to set pipe forwarded creds: %s\n", error_string));
goto reply;
}
@@ -305,140 +393,155 @@ static NTSTATUS named_pipe_recv_auth_request(void *private_data,
CRED_MUST_USE_KERBEROS);
}
- conn->session_info->session_key = data_blob_const(req.info.info3.session_key,
- req.info.info3.session_key_length);
- talloc_steal(conn->session_info, req.info.info3.session_key);
+ conn->session_info->session_key = data_blob_const(pipe_request.info.info3.session_key,
+ pipe_request.info.info3.session_key_length);
+ talloc_steal(conn->session_info, pipe_request.info.info3.session_key);
break;
default:
- DEBUG(2, ("named_pipe_auth_req: unknown level %u\n",
- req.level));
- rep.level = 0;
- rep.status = NT_STATUS_INVALID_LEVEL;
+ DEBUG(0, ("named_pipe_auth_req: unknown level %u\n",
+ pipe_request.level));
+ pipe_reply.level = 0;
+ pipe_reply.status = NT_STATUS_INVALID_LEVEL;
goto reply;
}
reply:
/* create the output */
- ndr_err = ndr_push_struct_blob(&rep_blob, pipe_conn,
+ ndr_err = ndr_push_struct_blob(&call->out, pipe_conn,
lp_iconv_convenience(conn->lp_ctx),
- &rep,
+ &pipe_reply,
(ndr_push_flags_fn_t)ndr_push_named_pipe_auth_rep);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ const char *reason;
status = ndr_map_error2ntstatus(ndr_err);
- DEBUG(2, ("Could not marshall named_pipe_auth_rep: %s\n",
- nt_errstr(status)));
- return status;
+
+ reason = talloc_asprintf(pipe_conn, "named_pipe_auth_request: could not marshall named_pipe_auth_rep: %s\n",
+ nt_errstr(status));
+ if (reason == NULL) {
+ reason = "named_pipe_auth_request: could not marshall named_pipe_auth_rep";
+ }
+ named_pipe_terminate_connection(pipe_conn, reason);
+ return;
}
- DEBUG(10,("named_pipe_auth reply[%u]\n", (unsigned)rep_blob.length));
- dump_data(11, rep_blob.data, rep_blob.length);
+ DEBUG(10,("named_pipe_auth_request: named_pipe_auth reply[%u]\n",
+ (unsigned) call->out.length));
+ dump_data(11, call->out.data, call->out.length);
if (DEBUGLVL(10)) {
- NDR_PRINT_DEBUG(named_pipe_auth_rep, &rep);
+ NDR_PRINT_DEBUG(named_pipe_auth_rep, &pipe_reply);
}
- pipe_conn->status = rep.status;
- status = packet_send_callback(pipe_conn->packet, rep_blob,
- named_pipe_handover_connection,
- pipe_conn);
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(0, ("packet_send_callback returned %s\n",
- nt_errstr(status)));
- return status;
+ call->status = pipe_reply.status;
+
+ call->out_iov[0].iov_base = call->out.data;
+ call->out_iov[0].iov_len = call->out.length;
+
+ subreq = tstream_writev_send(call,
+ pipe_conn->connection->event.ctx,
+ pipe_conn->tstream,
+ call->out_iov, 1);
+ if (subreq == NULL) {
+ named_pipe_terminate_connection(pipe_conn, "named_pipe_auth_request: "
+ "no memory for tstream_writev_send");
+ return;
}
- return NT_STATUS_OK;
+ tevent_req_set_callback(subreq, named_pipe_handover_connection, call);
}
-/*
- called when a pipe socket becomes readable
-*/
-static void named_pipe_recv(struct stream_connection *conn, uint16_t flags)
+static void named_pipe_handover_connection(struct tevent_req *subreq)
{
- struct named_pipe_connection *pipe_conn = talloc_get_type(
- conn->private_data, struct named_pipe_connection);
+ struct named_pipe_call *call = tevent_req_callback_data(subreq,
+ struct named_pipe_call);
+ struct named_pipe_connection *pipe_conn = call->pipe_conn;
+ struct stream_connection *conn = pipe_conn->connection;
+ int sys_errno;
+ int rc;
+
+ rc = tstream_writev_recv(subreq, &sys_errno);
+ TALLOC_FREE(subreq);
+ if (rc == -1) {
+ const char *reason;
+
+ reason = talloc_asprintf(call, "named_pipe_handover_connection: "
+ "tstream_writev_recv() - %d:%s",
+ sys_errno, strerror(sys_errno));
+ if (reason == NULL) {
+ reason = "named_pipe_handover_connection: "
+ "tstream_writev_recv() failed";
+ }
- DEBUG(10,("named_pipe_recv\n"));
+ named_pipe_terminate_connection(pipe_conn, reason);
+ return;
+ }
- packet_recv(pipe_conn->packet);
+ if (!NT_STATUS_IS_OK(call->status)) {
+ const char *reason;
+
+ reason = talloc_asprintf(call, "named_pipe_handover_connection: "
+ "reply status - %s", nt_errstr(call->status));
+ if (reason == NULL) {
+ reason = nt_errstr(call->status);
+ }
+
+ named_pipe_terminate_connection(pipe_conn, reason);
+ return;
+ }
+
+ /*
+ * remove the named_pipe layer together with its packet layer
+ */
+ conn->ops = pipe_conn->pipe_sock->ops;
+ conn->private_data = pipe_conn->pipe_sock->private_data;
+ talloc_unlink(conn, pipe_conn);
+
+ conn->event.fde = tevent_add_fd(conn->event.ctx,
+ conn,
+ socket_get_fd(conn->socket),
+ TEVENT_FD_READ,
+ stream_io_handler_fde,
+ conn);
+ if (conn->event.fde == NULL) {
+ named_pipe_terminate_connection(pipe_conn, "named_pipe_handover_connection: "
+ "setting up the stream_io_handler_fde failed");
+ return;
+ }
+
+ /*
+ * hand over to the real pipe implementation,
+ * now that we have setup the transport session_info
+ */
+ conn->ops->accept_connection(conn);
+
+ DEBUG(10,("named_pipe_handover_connection[%s]: succeeded\n",
+ conn->ops->name));
+
+ /* we don't have to free call here as the connection got closed */
}
/*
- called when a pipe socket becomes writable
+ called when a pipe socket becomes readable
*/
-static void named_pipe_send(struct stream_connection *conn, uint16_t flags)
+static void named_pipe_recv(struct stream_connection *conn, uint16_t flags)
{
struct named_pipe_connection *pipe_conn = talloc_get_type(
conn->private_data, struct named_pipe_connection);
- packet_queue_run(pipe_conn->packet);
+ named_pipe_terminate_connection(pipe_conn,
+ "named_pipe_recv: called");
}
/*
- handle socket recv errors
+ called when a pipe socket becomes writable
*/
-static void named_pipe_recv_error(void *private_data, NTSTATUS status)
+static void named_pipe_send(struct stream_connection *conn, uint16_t flags)
{
struct named_pipe_connection *pipe_conn = talloc_get_type(
- private_data, struct named_pipe_connection);
-
- stream_terminate_connection(pipe_conn->connection, nt_errstr(status));
-}
-
-static NTSTATUS named_pipe_full_request(void *private_data, DATA_BLOB blob, size_t *size)
-{
- if (blob.length < 8) {
- return STATUS_MORE_ENTRIES;
- }
-
- if (memcmp(NAMED_PIPE_AUTH_MAGIC, &blob.data[4], 4) != 0) {
- DEBUG(0,("named_pipe_full_request: wrong protocol\n"));
- *size = blob.length;
- /* the error will be handled in named_pipe_recv_auth_request */
- return NT_STATUS_OK;
- }
-
- *size = 4 + RIVAL(blob.data, 0);
- if (*size > blob.length) {
- return STATUS_MORE_ENTRIES;
- }
-
- return NT_STATUS_OK;
-}
-
-static void named_pipe_accept(struct stream_connection *conn)
-{
- struct named_pipe_socket *pipe_sock = talloc_get_type(
- conn->private_data, struct named_pipe_socket);
- struct named_pipe_connection *pipe_conn;
-
- DEBUG(5,("named_pipe_accept\n"));
-
- pipe_conn = talloc_zero(conn, struct named_pipe_connection);
- if (!pipe_conn) {
- stream_terminate_connection(conn, "out of memory");
- return;
- }
-
- pipe_conn->packet = packet_init(pipe_conn);
- if (!pipe_conn->packet) {
- stream_terminate_connection(conn, "out of memory");
- return;
- }
- packet_set_private(pipe_conn->packet, pipe_conn);
- packet_set_socket(pipe_conn->packet, conn->socket);
- packet_set_callback(pipe_conn->packet, named_pipe_recv_auth_request);
- packet_set_full_request(pipe_conn->packet, named_pipe_full_request);
- packet_set_error_handler(pipe_conn->packet, named_pipe_recv_error);
- packet_set_event_context(pipe_conn->packet, conn->event.ctx);
- packet_set_fde(pipe_conn->packet, conn->event.fde);
- packet_set_serialise(pipe_conn->packet);
- packet_set_initial_read(pipe_conn->packet, 8);
-
- pipe_conn->pipe_sock = pipe_sock;
+ conn->private_data, struct named_pipe_connection);
- pipe_conn->connection = conn;
- conn->private_data = pipe_conn;
+ named_pipe_terminate_connection(pipe_conn,
+ "named_pipe_send: called");
}
static const struct stream_server_ops named_pipe_stream_ops = {