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Diffstat (limited to 'source4/libcli/composite/connect.c')
-rw-r--r-- | source4/libcli/composite/connect.c | 395 |
1 files changed, 0 insertions, 395 deletions
diff --git a/source4/libcli/composite/connect.c b/source4/libcli/composite/connect.c deleted file mode 100644 index a5ce5308e5..0000000000 --- a/source4/libcli/composite/connect.c +++ /dev/null @@ -1,395 +0,0 @@ -/* - Unix SMB/CIFS implementation. - - Copyright (C) Andrew Tridgell 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. -*/ -/* - a composite API for making a full SMB connection -*/ - -#include "includes.h" -#include "libcli/raw/libcliraw.h" -#include "libcli/composite/composite.h" - -/* the stages of this call */ -enum connect_stage {CONNECT_RESOLVE, - CONNECT_SOCKET, - CONNECT_SESSION_REQUEST, - CONNECT_NEGPROT, - CONNECT_SESSION_SETUP, - CONNECT_TCON}; - -struct connect_state { - enum connect_stage stage; - struct smbcli_socket *sock; - struct smbcli_transport *transport; - struct smbcli_session *session; - struct smb_composite_connect *io; - union smb_tcon *io_tcon; - struct smb_composite_sesssetup *io_setup; - struct smbcli_request *req; - struct composite_context *creq; -}; - - -static void request_handler(struct smbcli_request *); -static void composite_handler(struct composite_context *); - -/* - setup a negprot send -*/ -static NTSTATUS connect_send_negprot(struct composite_context *c, - struct smb_composite_connect *io) -{ - struct connect_state *state = talloc_get_type(c->private, struct connect_state); - - state->req = smb_raw_negotiate_send(state->transport, lp_maxprotocol()); - NT_STATUS_HAVE_NO_MEMORY(state->req); - - state->req->async.fn = request_handler; - state->req->async.private = c; - state->stage = CONNECT_NEGPROT; - - return NT_STATUS_OK; -} - - -/* - a tree connect request has competed -*/ -static NTSTATUS connect_tcon(struct composite_context *c, - struct smb_composite_connect *io) -{ - struct connect_state *state = talloc_get_type(c->private, struct connect_state); - NTSTATUS status; - - status = smb_raw_tcon_recv(state->req, c, state->io_tcon); - NT_STATUS_NOT_OK_RETURN(status); - - io->out.tree->tid = state->io_tcon->tconx.out.tid; - if (state->io_tcon->tconx.out.dev_type) { - io->out.tree->device = talloc_strdup(io->out.tree, - state->io_tcon->tconx.out.dev_type); - } - if (state->io_tcon->tconx.out.fs_type) { - io->out.tree->fs_type = talloc_strdup(io->out.tree, - state->io_tcon->tconx.out.fs_type); - } - - /* all done! */ - c->state = SMBCLI_REQUEST_DONE; - - return NT_STATUS_OK; -} - - -/* - a session setup request has competed -*/ -static NTSTATUS connect_session_setup(struct composite_context *c, - struct smb_composite_connect *io) -{ - struct connect_state *state = talloc_get_type(c->private, struct connect_state); - NTSTATUS status; - - status = smb_composite_sesssetup_recv(state->creq); - NT_STATUS_NOT_OK_RETURN(status); - - state->session->vuid = state->io_setup->out.vuid; - - /* setup for a tconx */ - io->out.tree = smbcli_tree_init(state->session, state, True); - NT_STATUS_HAVE_NO_MEMORY(io->out.tree); - - state->io_tcon = talloc(c, union smb_tcon); - NT_STATUS_HAVE_NO_MEMORY(state->io_tcon); - - /* connect to a share using a tree connect */ - state->io_tcon->generic.level = RAW_TCON_TCONX; - state->io_tcon->tconx.in.flags = 0; - state->io_tcon->tconx.in.password = data_blob(NULL, 0); - - state->io_tcon->tconx.in.path = talloc_asprintf(state->io_tcon, - "\\\\%s\\%s", - io->in.called_name, - io->in.service); - NT_STATUS_HAVE_NO_MEMORY(state->io_tcon->tconx.in.path); - if (!io->in.service_type) { - state->io_tcon->tconx.in.device = "?????"; - } else { - state->io_tcon->tconx.in.device = io->in.service_type; - } - - state->req = smb_raw_tcon_send(io->out.tree, state->io_tcon); - NT_STATUS_HAVE_NO_MEMORY(state->req); - if (state->req->state == SMBCLI_REQUEST_ERROR) { - return state->req->status; - } - - state->req->async.fn = request_handler; - state->req->async.private = c; - state->stage = CONNECT_TCON; - - return NT_STATUS_OK; -} - -/* - a negprot request has competed -*/ -static NTSTATUS connect_negprot(struct composite_context *c, - struct smb_composite_connect *io) -{ - struct connect_state *state = talloc_get_type(c->private, struct connect_state); - NTSTATUS status; - - status = smb_raw_negotiate_recv(state->req); - NT_STATUS_NOT_OK_RETURN(status); - - /* next step is a session setup */ - state->session = smbcli_session_init(state->transport, state, True); - NT_STATUS_HAVE_NO_MEMORY(state->session); - - state->io_setup = talloc(c, struct smb_composite_sesssetup); - NT_STATUS_HAVE_NO_MEMORY(state->io_setup); - - /* prepare a session setup to establish a security context */ - state->io_setup->in.sesskey = state->transport->negotiate.sesskey; - state->io_setup->in.capabilities = state->transport->negotiate.capabilities; - state->io_setup->in.credentials = io->in.credentials; - state->io_setup->in.workgroup = io->in.workgroup; - - state->creq = smb_composite_sesssetup_send(state->session, state->io_setup); - NT_STATUS_HAVE_NO_MEMORY(state->creq); - if (state->creq->state == SMBCLI_REQUEST_ERROR) { - return state->creq->status; - } - - state->creq->async.fn = composite_handler; - state->creq->async.private = c; - state->stage = CONNECT_SESSION_SETUP; - - return NT_STATUS_OK; -} - - -/* - a session request operation has competed -*/ -static NTSTATUS connect_session_request(struct composite_context *c, - struct smb_composite_connect *io) -{ - struct connect_state *state = talloc_get_type(c->private, struct connect_state); - NTSTATUS status; - - status = smbcli_transport_connect_recv(state->req); - NT_STATUS_NOT_OK_RETURN(status); - - /* next step is a negprot */ - return connect_send_negprot(c, io); -} - -/* - a socket connection operation has competed -*/ -static NTSTATUS connect_socket(struct composite_context *c, - struct smb_composite_connect *io) -{ - struct connect_state *state = talloc_get_type(c->private, struct connect_state); - NTSTATUS status; - struct nbt_name calling, called; - - status = smbcli_sock_connect_recv(state->creq); - NT_STATUS_NOT_OK_RETURN(status); - - /* the socket is up - we can initialise the smbcli transport layer */ - state->transport = smbcli_transport_init(state->sock, state, True); - NT_STATUS_HAVE_NO_MEMORY(state->transport); - - make_nbt_name_client(&calling, cli_credentials_get_workstation(io->in.credentials)); - - nbt_choose_called_name(state, &called, io->in.called_name, NBT_NAME_SERVER); - - /* we have a connected socket - next step is a session - request, if needed. Port 445 doesn't need it, so it goes - straight to the negprot */ - if (state->sock->port == 445) { - status = nbt_name_dup(state->transport, &called, - &state->transport->called); - NT_STATUS_NOT_OK_RETURN(status); - return connect_send_negprot(c, io); - } - - state->req = smbcli_transport_connect_send(state->transport, &calling, &called); - NT_STATUS_HAVE_NO_MEMORY(state->req); - - state->req->async.fn = request_handler; - state->req->async.private = c; - state->stage = CONNECT_SESSION_REQUEST; - - return NT_STATUS_OK; -} - - -/* - called when name resolution is finished -*/ -static NTSTATUS connect_resolve(struct composite_context *c, - struct smb_composite_connect *io) -{ - struct connect_state *state = talloc_get_type(c->private, struct connect_state); - NTSTATUS status; - const char *address; - - status = resolve_name_recv(state->creq, state, &address); - NT_STATUS_NOT_OK_RETURN(status); - - state->creq = smbcli_sock_connect_send(state->sock, address, state->io->in.port, io->in.dest_host); - NT_STATUS_HAVE_NO_MEMORY(state->creq); - - state->stage = CONNECT_SOCKET; - state->creq->async.private = c; - state->creq->async.fn = composite_handler; - - return NT_STATUS_OK; -} - - -/* - handle and dispatch state transitions -*/ -static void state_handler(struct composite_context *c) -{ - struct connect_state *state = talloc_get_type(c->private, struct connect_state); - - switch (state->stage) { - case CONNECT_RESOLVE: - c->status = connect_resolve(c, state->io); - break; - case CONNECT_SOCKET: - c->status = connect_socket(c, state->io); - break; - case CONNECT_SESSION_REQUEST: - c->status = connect_session_request(c, state->io); - break; - case CONNECT_NEGPROT: - c->status = connect_negprot(c, state->io); - break; - case CONNECT_SESSION_SETUP: - c->status = connect_session_setup(c, state->io); - break; - case CONNECT_TCON: - c->status = connect_tcon(c, state->io); - break; - } - - if (!NT_STATUS_IS_OK(c->status)) { - c->state = SMBCLI_REQUEST_ERROR; - } - - if (c->state >= SMBCLI_REQUEST_DONE && - c->async.fn) { - c->async.fn(c); - } -} - - -/* - handler for completion of a smbcli_request sub-request -*/ -static void request_handler(struct smbcli_request *req) -{ - struct composite_context *c = talloc_get_type(req->async.private, - struct composite_context); - state_handler(c); -} - -/* - handler for completion of a smbcli_composite sub-request -*/ -static void composite_handler(struct composite_context *req) -{ - struct composite_context *c = talloc_get_type(req->async.private, - struct composite_context); - state_handler(c); -} - -/* - a function to establish a smbcli_tree from scratch -*/ -struct composite_context *smb_composite_connect_send(struct smb_composite_connect *io, - struct event_context *event_ctx) -{ - struct composite_context *c; - struct connect_state *state; - struct nbt_name name; - - c = talloc_zero(NULL, struct composite_context); - if (c == NULL) goto failed; - - state = talloc(c, struct connect_state); - if (state == NULL) goto failed; - - state->sock = smbcli_sock_init(state, event_ctx); - if (state->sock == NULL) goto failed; - - state->io = io; - - c->state = SMBCLI_REQUEST_SEND; - c->event_ctx = talloc_reference(c, state->sock->event.ctx); - c->private = state; - - state->stage = CONNECT_RESOLVE; - make_nbt_name_server(&name, io->in.dest_host); - state->creq = resolve_name_send(&name, c->event_ctx, lp_name_resolve_order()); - - if (state->creq == NULL) goto failed; - state->creq->async.private = c; - state->creq->async.fn = composite_handler; - - return c; -failed: - talloc_free(c); - return NULL; -} - -/* - recv half of async composite connect code -*/ -NTSTATUS smb_composite_connect_recv(struct composite_context *c, TALLOC_CTX *mem_ctx) -{ - NTSTATUS status; - - status = composite_wait(c); - - if (NT_STATUS_IS_OK(status)) { - struct connect_state *state = talloc_get_type(c->private, struct connect_state); - talloc_steal(mem_ctx, state->io->out.tree); - } - - talloc_free(c); - return status; -} - -/* - sync version of smb_composite_connect -*/ -NTSTATUS smb_composite_connect(struct smb_composite_connect *io, TALLOC_CTX *mem_ctx, - struct event_context *ev) -{ - struct composite_context *c = smb_composite_connect_send(io, ev); - return smb_composite_connect_recv(c, mem_ctx); -} |