source4/libcli/cliconnect.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    client connect/disconnect routines
   5
   6    Copyright (C) Andrew Tridgell 2003-2005
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22
  23 #include "includes.h"
  24 #include "libcli/raw/libcliraw.h"
  25 #include "libcli/composite/composite.h"
  26
  27 /*
  28   wrapper around smbcli_sock_connect()
  29 */
  30 BOOL smbcli_socket_connect(struct smbcli_state *cli, const char *server)
  31 {
  32         struct smbcli_socket *sock;
  33
  34         sock = smbcli_sock_init(cli, NULL);
  35         if (!sock) return False;
  36
  37         if (!smbcli_sock_connect_byname(sock, server, 0)) {
  38                 talloc_free(sock);
  39                 return False;
  40         }
  41
  42         cli->transport = smbcli_transport_init(sock, cli, True);
  43         if (!cli->transport) {
  44                 return False;
  45         }
  46
  47         return True;
  48 }
  49
  50 /* wrapper around smbcli_transport_connect() */
  51 BOOL smbcli_transport_establish(struct smbcli_state *cli,
  52                                 struct nbt_name *calling,
  53                                 struct nbt_name *called)
  54 {
  55         return smbcli_transport_connect(cli->transport, calling, called);
  56 }
  57
  58 /* wrapper around smb_raw_negotiate() */
  59 NTSTATUS smbcli_negprot(struct smbcli_state *cli)
  60 {
  61         return smb_raw_negotiate(cli->transport, lp_maxprotocol());
  62 }
  63
  64 /* wrapper around smb_raw_session_setup() */
  65 NTSTATUS smbcli_session_setup(struct smbcli_state *cli,
  66                               struct cli_credentials *credentials)
  67 {
  68         struct smb_composite_sesssetup setup;
  69         NTSTATUS status;
  70
  71         cli->session = smbcli_session_init(cli->transport, cli, True);
  72         if (!cli->session) return NT_STATUS_UNSUCCESSFUL;
  73
  74         setup.in.sesskey = cli->transport->negotiate.sesskey;
  75         setup.in.capabilities = cli->transport->negotiate.capabilities;
  76         setup.in.credentials = credentials;
  77         setup.in.workgroup = lp_workgroup();
  78
  79         status = smb_composite_sesssetup(cli->session, &setup);
  80
  81         cli->session->vuid = setup.out.vuid;
  82
  83         return status;
  84 }
  85
  86 /* wrapper around smb_tree_connect() */
  87 NTSTATUS smbcli_tconX(struct smbcli_state *cli, const char *sharename,
  88                       const char *devtype, const char *password)
  89 {
  90         union smb_tcon tcon;
  91         TALLOC_CTX *mem_ctx;
  92         NTSTATUS status;
  93
  94         cli->tree = smbcli_tree_init(cli->session, cli, True);
  95         if (!cli->tree) return NT_STATUS_UNSUCCESSFUL;
  96
  97         mem_ctx = talloc_init("tcon");
  98         if (!mem_ctx) {
  99                 return NT_STATUS_NO_MEMORY;
 100         }
 101
 102         /* setup a tree connect */
 103         tcon.generic.level = RAW_TCON_TCONX;
 104         tcon.tconx.in.flags = 0;
 105         if (cli->transport->negotiate.sec_mode & NEGOTIATE_SECURITY_USER_LEVEL) {
 106                 tcon.tconx.in.password = data_blob(NULL, 0);
 107         } else if (cli->transport->negotiate.sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) {
 108                 tcon.tconx.in.password = data_blob_talloc(mem_ctx, NULL, 24);
 109                 if (cli->transport->negotiate.secblob.length < 8) {
 110                         return NT_STATUS_INVALID_PARAMETER;
 111                 }
 112                 SMBencrypt(password, cli->transport->negotiate.secblob.data, tcon.tconx.in.password.data);
 113         } else {
 114                 tcon.tconx.in.password = data_blob_talloc(mem_ctx, password, strlen(password)+1);
 115         }
 116         tcon.tconx.in.path = sharename;
 117         tcon.tconx.in.device = devtype;
 118
 119         status = smb_tree_connect(cli->tree, mem_ctx, &tcon);
 120
 121         cli->tree->tid = tcon.tconx.out.tid;
 122
 123         talloc_free(mem_ctx);
 124
 125         return status;
 126 }
 127
 128
 129 /*
 130   easy way to get to a fully connected smbcli_state in one call
 131 */
 132 NTSTATUS smbcli_full_connection(TALLOC_CTX *parent_ctx,
 133                                 struct smbcli_state **ret_cli,
 134                                 const char *host,
 135                                 const char *sharename,
 136                                 const char *devtype,
 137                                 struct cli_credentials *credentials,
 138                                 struct event_context *ev)
 139 {
 140         struct smbcli_tree *tree;
 141         NTSTATUS status;
 142
 143         *ret_cli = NULL;
 144
 145         status = smbcli_tree_full_connection(parent_ctx,
 146                                              &tree, host, 0, sharename, devtype,
 147                                              credentials, ev);
 148         if (!NT_STATUS_IS_OK(status)) {
 149                 goto done;
 150         }
 151
 152         (*ret_cli) = smbcli_state_init(parent_ctx);
 153
 154         (*ret_cli)->tree = tree;
 155         (*ret_cli)->session = tree->session;
 156         (*ret_cli)->transport = tree->session->transport;
 157
 158 done:
 159         return status;
 160 }
 161
 162
 163 /*
 164   disconnect the tree
 165 */
 166 NTSTATUS smbcli_tdis(struct smbcli_state *cli)
 167 {
 168         return smb_tree_disconnect(cli->tree);
 169 }
 170
 171 /****************************************************************************
 172  Initialise a client state structure.
 173 ****************************************************************************/
 174 struct smbcli_state *smbcli_state_init(TALLOC_CTX *mem_ctx)
 175 {
 176         struct smbcli_state *cli;
 177
 178         cli = talloc_zero(mem_ctx, struct smbcli_state);
 179         if (cli) {
 180                 ZERO_STRUCTP(cli);
 181         }
 182
 183         return cli;
 184 }
 185
 186 /*
 187   parse a //server/share type UNC name
 188 */
 189 BOOL smbcli_parse_unc(const char *unc_name, TALLOC_CTX *mem_ctx,
 190                       const char **hostname, const char **sharename)
 191 {
 192         char *p;
 193
 194         if (strncmp(unc_name, "\\\\", 2) &&
 195             strncmp(unc_name, "//", 2)) {
 196                 return False;
 197         }
 198
 199         *hostname = talloc_strdup(mem_ctx, &unc_name[2]);
 200         p = strchr_m(&(*hostname)[2],'/');
 201         if (!p) {
 202                 p = strchr_m(&(*hostname)[2],'\\');
 203                 if (!p) return False;
 204         }
 205         *p = 0;
 206         *sharename = talloc_strdup(mem_ctx, p+1);
 207
 208         return True;
 209 }
 210
 211
 212