diff options
Diffstat (limited to 'source4/librpc')
| -rw-r--r-- | source4/librpc/rpc/config.mk | 3 | ||||
| -rw-r--r-- | source4/librpc/rpc/dcerpc_connect.c | 165 |
2 files changed, 167 insertions, 1 deletions
diff --git a/source4/librpc/rpc/config.mk b/source4/librpc/rpc/config.mk index 046db2d323..98a533cae0 100644 --- a/source4/librpc/rpc/config.mk +++ b/source4/librpc/rpc/config.mk @@ -10,7 +10,8 @@ ADD_OBJ_FILES = \ dcerpc_error.o \ dcerpc_smb.o \ dcerpc_smb2.o \ - dcerpc_sock.o + dcerpc_sock.o \ + dcerpc_connect.o REQUIRED_SUBSYSTEMS = SOCKET # End SUBSYSTEM RPC_RAW ################################################ diff --git a/source4/librpc/rpc/dcerpc_connect.c b/source4/librpc/rpc/dcerpc_connect.c new file mode 100644 index 0000000000..26f6286b49 --- /dev/null +++ b/source4/librpc/rpc/dcerpc_connect.c @@ -0,0 +1,165 @@ +/* + Unix SMB/CIFS implementation. + + dcerpc connect functions + + Copyright (C) Andrew Tridgell 2003 + Copyright (C) Jelmer Vernooij 2004 + Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005 + Copyright (C) Rafal Szczesniak 2005 + + 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 + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + + +#include "includes.h" +#include "system/network.h" +#include "librpc/gen_ndr/ndr_epmapper.h" +#include "librpc/gen_ndr/ndr_dcerpc.h" +#include "librpc/gen_ndr/ndr_misc.h" +#include "libcli/raw/libcliraw.h" +#include "libcli/composite/composite.h" +#include "libcli/smb_composite/smb_composite.h" + + +struct dcerpc_pipe_connect; + +struct pipe_np_smb_state { + struct smb_composite_connect conn; + struct smbcli_tree *tree; + struct dcerpc_pipe_connect io; +}; + + +void continue_pipe_open_smb(struct composite_context *ctx) +{ + struct composite_context *c = talloc_get_type(ctx->async.private_data, + struct composite_context); + struct pipe_np_smb_state *s = talloc_get_type(c->private_data, + struct pipe_np_smb_state); + + c->status = dcerpc_pipe_open_smb_recv(ctx); + if (!NT_STATUS_IS_OK(c->status)) { + + DEBUG(0,("Failed to open pipe %s - %s\n", s->io.pipe_name, nt_errstr(c->status))); + composite_trigger_error(c); + return; + } + + composite_done(c); +} + + +void continue_smb_connect(struct composite_context *ctx) +{ + struct composite_context *open_ctx; + struct composite_context *c = talloc_get_type(ctx->async.private_data, + struct composite_context); + struct pipe_np_smb_state *s = talloc_get_type(c->private_data, + struct pipe_np_smb_state); + + c->status = smb_composite_connect_recv(ctx, c); + if (!NT_STATUS_IS_OK(c->status)) { + + DEBUG(0,("Failed to connect to %s - %s\n", s->io.binding->host, nt_errstr(c->status))); + composite_trigger_error(c); + return; + } + + s->tree = s->conn.out.tree; + s->io.pipe_name = s->io.binding->endpoint; + + open_ctx = dcerpc_pipe_open_smb_send(s->io.pipe->conn, s->tree, s->io.pipe_name); + + composite_continue(c, open_ctx, continue_pipe_open_smb, c); +} + + +/* open a rpc connection to a rpc pipe on SMB using the binding + structure to determine the endpoint and options */ +struct composite_context *dcerpc_pipe_connect_ncacn_np_smb_send(TALLOC_CTX *tmp_ctx, + struct dcerpc_pipe_connect *io) +{ + struct composite_context *c; + struct pipe_np_smb_state *s; + struct composite_context *conn_req; + struct smb_composite_connect *conn; + + c = talloc_zero(tmp_ctx, struct composite_context); + if (c == NULL) return NULL; + + s = talloc_zero(c, struct pipe_np_smb_state); + if (s == NULL) { + c->status = NT_STATUS_NO_MEMORY; + goto failed; + } + + c->state = COMPOSITE_STATE_IN_PROGRESS; + c->private_data = s; + c->event_ctx = io->pipe->conn->event_ctx; + + s->io = *io; + conn = &s->conn; + + conn->in.dest_host = s->io.binding->host; + conn->in.port = 0; + conn->in.called_name = strupper_talloc(tmp_ctx, s->io.binding->host); + conn->in.service = "IPC$"; + conn->in.service_type = NULL; + conn->in.fallback_to_anonymous = False; + conn->in.workgroup = lp_workgroup(); + + if (s->io.binding->flags & DCERPC_SCHANNEL) { + struct cli_credentials *anon_creds + = cli_credentials_init(tmp_ctx); + if (composite_nomem(anon_creds, c)) return NULL; + + cli_credentials_set_anonymous(anon_creds); + cli_credentials_guess(anon_creds); + + s->conn.in.credentials = anon_creds; + + } else { + s->conn.in.credentials = s->io.creds; + } + + conn_req = smb_composite_connect_send(conn, s->io.pipe->conn, s->io.pipe->conn->event_ctx); + + composite_continue(c, conn_req, continue_smb_connect, c); + + return c; + +failed: + composite_trigger_error(c); + return NULL; +} + + +NTSTATUS dcerpc_pipe_connect_ncacn_np_smb_recv(struct composite_context *c) +{ + NTSTATUS status = composite_wait(c); + + talloc_free(c); + return status; +} + + +NTSTATUS dcerpc_pipe_connect_ncacn_np_smb(TALLOC_CTX *tmp_ctx, + struct dcerpc_pipe_connect *io) +{ + struct composite_context *c; + c = dcerpc_pipe_connect_ncacn_np_smb_send(tmp_ctx, io); + return dcerpc_pipe_connect_ncacn_np_smb_recv(c); +} |