first public release of samba4 code

(This used to be commit b0510b5428b3461aeb9bbe3cc95f62fc73e2b97f)

1 files changed, 290 insertions, 0 deletions

diff --git a/source4/libcli/raw/clitree.c b/source4/libcli/raw/clitree.c
new file mode 100644
index 0000000000..2a41273913
--- /dev/null
+++ b/source4/libcli/raw/clitree.c
@@ -0,0 +1,290 @@
+/* 
+   Unix SMB/CIFS implementation.
+   SMB client tree context management functions
+   Copyright (C) Andrew Tridgell 1994-1998
+   Copyright (C) James Myers 2003 <myersjj@samba.org>
+   
+   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"
+
+#define SETUP_REQUEST_TREE(cmd, wct, buflen) do { \
+	req = cli_request_setup(tree, cmd, wct, buflen); \
+	if (!req) return NULL; \
+} while (0)
+
+
+/****************************************************************************
+ Initialize the tree context
+****************************************************************************/
+struct cli_tree *cli_tree_init(struct cli_session *session)
+{
+	struct cli_tree *tree;
+	TALLOC_CTX *mem_ctx = talloc_init("cli_tree");
+	if (mem_ctx == NULL) {
+		return NULL;
+	}
+
+	tree = talloc_zero(mem_ctx, sizeof(*tree));
+	if (!tree) {
+		talloc_destroy(mem_ctx);
+		return NULL;
+	}
+
+	tree->mem_ctx = mem_ctx;
+	tree->session = session;
+	tree->session->reference_count++;
+
+	return tree;
+}
+
+/****************************************************************************
+reduce reference count on a tree and destroy if <= 0
+****************************************************************************/
+void cli_tree_close(struct cli_tree *tree)
+{
+	if (!tree) return;
+	tree->reference_count--;
+	if (tree->reference_count <= 0) {
+		cli_session_close(tree->session);
+		talloc_destroy(tree->mem_ctx);
+	}
+}
+
+
+/****************************************************************************
+ Send a tconX (async send)
+****************************************************************************/
+struct cli_request *smb_tree_connect_send(struct cli_tree *tree, union smb_tcon *parms)
+{
+	struct cli_request *req;
+
+	switch (parms->tcon.level) {
+	case RAW_TCON_TCON:
+		SETUP_REQUEST_TREE(SMBtcon, 0, 0);
+		cli_req_append_ascii4(req, parms->tcon.in.service, STR_ASCII);
+		cli_req_append_ascii4(req, parms->tcon.in.password,STR_ASCII);
+		cli_req_append_ascii4(req, parms->tcon.in.dev,     STR_ASCII);
+		break;
+
+	case RAW_TCON_TCONX:
+		SETUP_REQUEST_TREE(SMBtconX, 4, 0);
+		SSVAL(req->out.vwv, VWV(0), 0xFF);
+		SSVAL(req->out.vwv, VWV(1), 0);
+		SSVAL(req->out.vwv, VWV(2), parms->tconx.in.flags);
+		SSVAL(req->out.vwv, VWV(3), parms->tconx.in.password.length);
+		cli_req_append_blob(req, &parms->tconx.in.password);
+		cli_req_append_string(req, parms->tconx.in.path,   STR_TERMINATE | STR_UPPER);
+		cli_req_append_string(req, parms->tconx.in.device, STR_TERMINATE | STR_ASCII);
+		break;
+	}
+
+	if (!cli_request_send(req)) {
+		cli_request_destroy(req);
+		return NULL;
+	}
+
+	return req;
+}
+
+/****************************************************************************
+ Send a tconX (async recv)
+****************************************************************************/
+NTSTATUS smb_tree_connect_recv(struct cli_request *req, TALLOC_CTX *mem_ctx, union smb_tcon *parms)
+{
+	char *p;
+
+	if (!cli_request_receive(req) ||
+	    cli_request_is_error(req)) {
+		goto failed;
+	}
+
+	switch (parms->tcon.level) {
+	case RAW_TCON_TCON:
+		CLI_CHECK_WCT(req, 2);
+		parms->tcon.out.max_xmit = SVAL(req->in.vwv, VWV(0));
+		parms->tcon.out.cnum = SVAL(req->in.vwv, VWV(1));
+		break;
+
+	case RAW_TCON_TCONX:
+		ZERO_STRUCT(parms->tconx.out);
+		CLI_CHECK_MIN_WCT(req, 0);  /* this depends on the protocol level */
+		parms->tconx.out.cnum = SVAL(req->in.hdr, HDR_TID);
+		if (req->in.wct >= 4) {
+			parms->tconx.out.options = SVAL(req->in.vwv, VWV(3));
+		}
+
+		/* output is actual service name */
+		p = req->in.data;
+		if (!p) break;
+
+		p += cli_req_pull_string(req, mem_ctx, &parms->tconx.out.dev_type, 
+					 p, -1, STR_ASCII | STR_TERMINATE);
+		p += cli_req_pull_string(req, mem_ctx, &parms->tconx.out.fs_type, 
+					 p, -1, STR_TERMINATE);
+		break;
+	}
+
+failed:
+	return cli_request_destroy(req);
+}
+
+/****************************************************************************
+ Send a tconX (sync interface)
+****************************************************************************/
+NTSTATUS smb_tree_connect(struct cli_tree *tree, TALLOC_CTX *mem_ctx, union smb_tcon *parms)
+{
+	struct cli_request *req = smb_tree_connect_send(tree, parms);
+	return smb_tree_connect_recv(req, mem_ctx, parms);
+}
+
+
+/****************************************************************************
+ Send a tree disconnect.
+****************************************************************************/
+NTSTATUS smb_tree_disconnect(struct cli_tree *tree)
+{
+	struct cli_request *req;
+
+	if (!tree) return NT_STATUS_OK;
+	req = cli_request_setup(tree, SMBtdis, 0, 0);
+
+	if (cli_request_send(req)) {
+		cli_request_receive(req);
+	}
+	return cli_request_destroy(req);
+}
+
+
+/*
+  a convenient function to establish a cli_tree from scratch, using reasonable default
+  parameters
+*/
+NTSTATUS cli_tree_full_connection(struct cli_tree **ret_tree, 
+				  const char *my_name, 
+				  const char *dest_host, int port,
+				  const char *service, const char *service_type,
+				  const char *user, const char *domain, 
+				  const char *password)
+{
+	struct cli_socket *sock;
+	struct cli_transport *transport;
+	struct cli_session *session;
+	struct cli_tree *tree;
+	NTSTATUS status;
+	struct nmb_name calling;
+	struct nmb_name called;
+	union smb_sesssetup setup;
+	union smb_tcon tcon;
+	TALLOC_CTX *mem_ctx;
+
+	*ret_tree = NULL;
+
+	sock = cli_sock_init();
+	if (!sock) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	/* open a TCP socket to the server */
+	if (!cli_sock_connect_byname(sock, dest_host, port)) {
+		DEBUG(2,("Failed to establish socket connection - %s\n", strerror(errno)));
+		return NT_STATUS_UNSUCCESSFUL;
+	}
+
+	transport = cli_transport_init(sock);
+	if (!transport) {
+		cli_sock_close(sock);
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	/* send a NBT session request, if applicable */
+	make_nmb_name(&calling, my_name, 0x0);
+	make_nmb_name(&called,  dest_host, 0x20);
+
+	if (!cli_transport_connect(transport, &calling, &called)) {
+		cli_transport_close(transport);
+		return NT_STATUS_UNSUCCESSFUL;
+	}
+
+
+	/* negotiate protocol options with the server */
+	status = smb_raw_negotiate(transport);
+	if (!NT_STATUS_IS_OK(status)) {
+		cli_transport_close(transport);
+		return status;
+	}
+
+	session = cli_session_init(transport);
+	if (!session) {
+		cli_transport_close(transport);
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	/* prepare a session setup to establish a security context */
+	setup.generic.level = RAW_SESSSETUP_GENERIC;
+	setup.generic.in.sesskey = transport->negotiate.sesskey;
+	setup.generic.in.capabilities = CAP_UNICODE | CAP_STATUS32 | 
+		CAP_LARGE_FILES | CAP_NT_SMBS | CAP_LEVEL_II_OPLOCKS | 
+		CAP_W2K_SMBS | CAP_LARGE_READX | CAP_LARGE_WRITEX;
+	setup.generic.in.password = password;
+	setup.generic.in.user = user;
+	setup.generic.in.domain = domain;
+
+	mem_ctx = talloc_init("tcon");
+	if (!mem_ctx) {
+		cli_tree_close(tree);
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	status = smb_raw_session_setup(session, mem_ctx, &setup);
+	if (!NT_STATUS_IS_OK(status)) {
+		cli_session_close(session);
+		talloc_destroy(mem_ctx);
+		return status;
+	}
+
+	session->vuid = setup.generic.out.vuid;
+
+	tree = cli_tree_init(session);
+	if (!tree) {
+		cli_session_close(session);
+		talloc_destroy(mem_ctx);
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	/* connect to a share using a tree connect */
+	tcon.generic.level = RAW_TCON_TCONX;
+	tcon.tconx.in.flags = 0;
+	tcon.tconx.in.password = data_blob(NULL, 0);
+	tcon.tconx.in.path = service;
+	tcon.tconx.in.device = service_type;
+	
+	status = smb_tree_connect(tree, mem_ctx, &tcon);
+	if (!NT_STATUS_IS_OK(status)) {
+		cli_tree_close(tree);
+		talloc_destroy(mem_ctx);
+		return status;
+	}
+
+	tree->tid = tcon.tconx.out.cnum;
+	tree->device = talloc_strdup(tree->mem_ctx, tcon.tconx.out.dev_type);
+	tree->fs_type = talloc_strdup(tree->mem_ctx, tcon.tconx.out.fs_type);
+
+	talloc_destroy(mem_ctx);
+
+	*ret_tree = tree;
+	return NT_STATUS_OK;
+}