#include "includes.h"
#include "libcli/raw/libcliraw.h"
-#include "librpc/gen_ndr/ndr_security.h"
+#include "libcli/composite/composite.h"
/* transport private information used by SMB pipe transport */
struct smb_private {
uint16_t fnum;
struct smbcli_tree *tree;
+ const char *server_name;
};
uint16_t frag_length;
NTSTATUS status;
- state = req->async.private;
- smb = state->c->transport.private;
+ state = talloc_get_type(req->async.private, struct smb_read_state);
+ smb = talloc_get_type(state->c->transport.private, struct smb_private);
io = state->io;
status = smb_raw_read_recv(state->req, io);
if (state->received < 16) {
DEBUG(0,("dcerpc_smb: short packet (length %d) in read callback!\n",
- state->received));
+ (int)state->received));
pipe_dead(state->c, NT_STATUS_INFO_LENGTH_MISMATCH);
talloc_free(state);
return;
frag_length = dcerpc_get_frag_length(&state->data);
if (frag_length <= state->received) {
- state->data.length = state->received;
- state->c->transport.recv_data(state->c, &state->data, NT_STATUS_OK);
+ DATA_BLOB data = state->data;
+ struct dcerpc_connection *c = state->c;
+ data.length = state->received;
+ talloc_steal(state->c, data.data);
talloc_free(state);
+ c->transport.recv_data(c, &data, NT_STATUS_OK);
return;
}
}
if (!NT_STATUS_EQUAL(status, STATUS_BUFFER_OVERFLOW)) {
- c->transport.recv_data(c, &state->trans->out.data, NT_STATUS_OK);
+ DATA_BLOB data = state->trans->out.data;
+ talloc_steal(c, data.data);
talloc_free(state);
+ c->transport.recv_data(c, &data, NT_STATUS_OK);
return;
}
state->req->async.fn = smb_trans_callback;
state->req->async.private = state;
+ talloc_steal(state, state->req);
+
return NT_STATUS_OK;
}
io.writex.in.count = blob->length;
io.writex.in.data = blob->data;
+ /* we must not timeout at the smb level for rpc requests, as otherwise
+ signing/sealing can be messed up */
+ smb->tree->session->transport->options.request_timeout = 0;
+
req = smb_raw_write_send(smb->tree, &io);
if (req == NULL) {
return NT_STATUS_NO_MEMORY;
return NT_STATUS_OK;
}
-/*
- return the event context for the pipe, so the caller can wait
- for events asynchronously
-*/
-static struct event_context *smb_event_context(struct dcerpc_connection *c)
-{
- struct smb_private *smb = c->transport.private;
-
- return smb->tree->session->transport->socket->event.ctx;
-}
-
-
/*
shutdown SMB pipe connection
*/
{
struct smb_private *smb = c->transport.private;
union smb_close io;
+ struct smbcli_request *req;
/* maybe we're still starting up */
if (!smb) return NT_STATUS_OK;
io.close.level = RAW_CLOSE_CLOSE;
io.close.in.fnum = smb->fnum;
io.close.in.write_time = 0;
- smb_raw_close(smb->tree, &io);
+ req = smb_raw_close_send(smb->tree, &io);
+ if (req != NULL) {
+ /* we don't care if this fails, so just free it if it succeeds */
+ req->async.fn = (void (*)(struct smbcli_request *))talloc_free;
+ }
talloc_free(smb);
static const char *smb_peer_name(struct dcerpc_connection *c)
{
struct smb_private *smb = c->transport.private;
- return smb->tree->session->transport->called.name;
+ return smb->server_name;
}
/*
return NT_STATUS_NO_USER_SESSION_KEY;
}
-/*
- open a rpc connection to a named pipe
-*/
-NTSTATUS dcerpc_pipe_open_smb(struct dcerpc_connection *c,
- struct smbcli_tree *tree,
- const char *pipe_name)
+struct pipe_open_smb_state {
+ union smb_open *open;
+ struct dcerpc_connection *c;
+ struct smbcli_request *req;
+ struct smbcli_tree *tree;
+ struct composite_context *ctx;
+};
+
+static void pipe_open_recv(struct smbcli_request *req);
+
+struct composite_context *dcerpc_pipe_open_smb_send(struct dcerpc_connection *c,
+ struct smbcli_tree *tree,
+ const char *pipe_name)
{
- struct smb_private *smb;
- NTSTATUS status;
- union smb_open io;
- char *pipe_name_talloc;
+ struct composite_context *ctx;
+ struct pipe_open_smb_state *state;
- if (!strncasecmp(pipe_name, "/pipe/", 6) ||
- !strncasecmp(pipe_name, "\\pipe\\", 6)) {
- pipe_name += 6;
- }
+ ctx = talloc_zero(NULL, struct composite_context);
+ if (ctx == NULL) goto failed;
+ ctx->state = COMPOSITE_STATE_IN_PROGRESS;
+ ctx->event_ctx = talloc_reference(c, c->event_ctx);
- if (pipe_name[0] != '\\') {
- pipe_name_talloc = talloc_asprintf(NULL, "\\%s", pipe_name);
- } else {
- pipe_name_talloc = talloc_strdup(NULL, pipe_name);
- }
-
- io.ntcreatex.level = RAW_OPEN_NTCREATEX;
- io.ntcreatex.in.flags = 0;
- io.ntcreatex.in.root_fid = 0;
- io.ntcreatex.in.access_mask =
+ state = talloc(ctx, struct pipe_open_smb_state);
+ if (state == NULL) goto failed;
+
+ state->c = c;
+ state->tree = tree;
+ state->ctx = ctx;
+
+ state->open = talloc(state, union smb_open);
+ if (state->open == NULL) goto failed;
+
+ state->open->ntcreatex.level = RAW_OPEN_NTCREATEX;
+ state->open->ntcreatex.in.flags = 0;
+ state->open->ntcreatex.in.root_fid = 0;
+ state->open->ntcreatex.in.access_mask =
SEC_STD_READ_CONTROL |
SEC_FILE_WRITE_ATTRIBUTE |
SEC_FILE_WRITE_EA |
SEC_FILE_READ_DATA |
SEC_FILE_WRITE_DATA;
- io.ntcreatex.in.file_attr = 0;
- io.ntcreatex.in.alloc_size = 0;
- io.ntcreatex.in.share_access =
+ state->open->ntcreatex.in.file_attr = 0;
+ state->open->ntcreatex.in.alloc_size = 0;
+ state->open->ntcreatex.in.share_access =
NTCREATEX_SHARE_ACCESS_READ |
NTCREATEX_SHARE_ACCESS_WRITE;
- io.ntcreatex.in.open_disposition = NTCREATEX_DISP_OPEN;
- io.ntcreatex.in.create_options = 0;
- io.ntcreatex.in.impersonation = NTCREATEX_IMPERSONATION_IMPERSONATION;
- io.ntcreatex.in.security_flags = 0;
- io.ntcreatex.in.fname = pipe_name_talloc;
+ state->open->ntcreatex.in.open_disposition = NTCREATEX_DISP_OPEN;
+ state->open->ntcreatex.in.create_options = 0;
+ state->open->ntcreatex.in.impersonation =
+ NTCREATEX_IMPERSONATION_IMPERSONATION;
+ state->open->ntcreatex.in.security_flags = 0;
+
+ if ((strncasecmp(pipe_name, "/pipe/", 6) == 0) ||
+ (strncasecmp(pipe_name, "\\pipe\\", 6) == 0)) {
+ pipe_name += 6;
+ }
+ state->open->ntcreatex.in.fname =
+ (pipe_name[0] == '\\') ?
+ talloc_strdup(state->open, pipe_name) :
+ talloc_asprintf(state->open, "\\%s", pipe_name);
+ if (state->open->ntcreatex.in.fname == NULL) goto failed;
+
+ state->req = smb_raw_open_send(tree, state->open);
+ if (state->req == NULL) goto failed;
+
+ state->req->async.fn = pipe_open_recv;
+ state->req->async.private = state;
- status = smb_raw_open(tree, tree, &io);
+ return ctx;
- talloc_free(pipe_name_talloc);
+ failed:
+ talloc_free(ctx);
+ return NULL;
+}
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
+static void pipe_open_recv(struct smbcli_request *req)
+{
+ struct pipe_open_smb_state *state =
+ talloc_get_type(req->async.private,
+ struct pipe_open_smb_state);
+ struct composite_context *ctx = state->ctx;
+ struct dcerpc_connection *c = state->c;
+ struct smb_private *smb;
+
+ ctx->status = smb_raw_open_recv(req, state, state->open);
+ if (!NT_STATUS_IS_OK(ctx->status)) goto done;
/*
fill in the transport methods
c->transport.send_request = smb_send_request;
c->transport.send_read = send_read_request;
- c->transport.event_context = smb_event_context;
c->transport.recv_data = NULL;
/* Over-ride the default session key with the SMB session key */
smb = talloc(c, struct smb_private);
if (smb == NULL) {
- return NT_STATUS_NO_MEMORY;
+ ctx->status = NT_STATUS_NO_MEMORY;
+ goto done;
}
- smb->fnum = io.ntcreatex.out.fnum;
- smb->tree = tree;
-
+ smb->fnum = state->open->ntcreatex.out.fnum;
+ smb->tree = talloc_reference(smb, state->tree);
+ smb->server_name= strupper_talloc(
+ smb, state->tree->session->transport->called.name);
+ if (smb->server_name == NULL) {
+ ctx->status = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
c->transport.private = smb;
- return NT_STATUS_OK;
+ ctx->status = NT_STATUS_OK;
+ ctx->state = COMPOSITE_STATE_DONE;
+
+ done:
+ if (!NT_STATUS_IS_OK(ctx->status)) {
+ ctx->state = COMPOSITE_STATE_ERROR;
+ }
+ if ((ctx->state >= COMPOSITE_STATE_DONE) &&
+ (ctx->async.fn != NULL)) {
+ ctx->async.fn(ctx);
+ }
+}
+
+NTSTATUS dcerpc_pipe_open_smb_recv(struct composite_context *c)
+{
+ NTSTATUS status = composite_wait(c);
+ talloc_free(c);
+ return status;
+}
+
+NTSTATUS dcerpc_pipe_open_smb(struct dcerpc_connection *c,
+ struct smbcli_tree *tree,
+ const char *pipe_name)
+{
+ struct composite_context *ctx = dcerpc_pipe_open_smb_send(c, tree,
+ pipe_name);
+ return dcerpc_pipe_open_smb_recv(ctx);
}
/*
git.samba.org / abartlet / samba.git / .git / blobdiff