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         TALLOC_CTX *mem_ctx;
  71
  72         cli->session = smbcli_session_init(cli->transport, cli, True);
  73         if (!cli->session) return NT_STATUS_UNSUCCESSFUL;
  74
  75         mem_ctx = talloc_init("smbcli_session_setup");
  76         if (!mem_ctx) return NT_STATUS_NO_MEMORY;
  77
  78         setup.in.sesskey = cli->transport->negotiate.sesskey;
  79         setup.in.capabilities = cli->transport->negotiate.capabilities;
  80         setup.in.credentials = credentials;
  81         setup.in.workgroup = lp_workgroup();
  82
  83         status = smb_composite_sesssetup(cli->session, &setup);
  84
  85         cli->session->vuid = setup.out.vuid;
  86
  87         talloc_free(mem_ctx);
  88
  89         return status;
  90 }
  91
  92 /* wrapper around smb_tree_connect() */
  93 NTSTATUS smbcli_send_tconX(struct smbcli_state *cli, const char *sharename,
  94                            const char *devtype, const char *password)
  95 {
  96         union smb_tcon tcon;
  97         TALLOC_CTX *mem_ctx;
  98         NTSTATUS status;
  99
 100         cli->tree = smbcli_tree_init(cli->session, cli, True);
 101         if (!cli->tree) return NT_STATUS_UNSUCCESSFUL;
 102
 103         mem_ctx = talloc_init("tcon");
 104         if (!mem_ctx) {
 105                 return NT_STATUS_NO_MEMORY;
 106         }
 107
 108         /* setup a tree connect */
 109         tcon.generic.level = RAW_TCON_TCONX;
 110         tcon.tconx.in.flags = 0;
 111         if (cli->transport->negotiate.sec_mode & NEGOTIATE_SECURITY_USER_LEVEL) {
 112                 tcon.tconx.in.password = data_blob(NULL, 0);
 113         } else if (cli->transport->negotiate.sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) {
 114                 tcon.tconx.in.password = data_blob_talloc(mem_ctx, NULL, 24);
 115                 if (cli->transport->negotiate.secblob.length < 8) {
 116                         return NT_STATUS_INVALID_PARAMETER;
 117                 }
 118                 SMBencrypt(password, cli->transport->negotiate.secblob.data, tcon.tconx.in.password.data);
 119         } else {
 120                 tcon.tconx.in.password = data_blob_talloc(mem_ctx, password, strlen(password)+1);
 121         }
 122         tcon.tconx.in.path = sharename;
 123         tcon.tconx.in.device = devtype;
 124
 125         status = smb_tree_connect(cli->tree, mem_ctx, &tcon);
 126
 127         cli->tree->tid = tcon.tconx.out.tid;
 128
 129         talloc_free(mem_ctx);
 130
 131         return status;
 132 }
 133
 134
 135 /*
 136   easy way to get to a fully connected smbcli_state in one call
 137 */
 138 NTSTATUS smbcli_full_connection(TALLOC_CTX *parent_ctx,
 139                                 struct smbcli_state **ret_cli,
 140                                 const char *host,
 141                                 const char *sharename,
 142                                 const char *devtype,
 143                                 struct cli_credentials *credentials)
 144 {
 145         struct smbcli_tree *tree;
 146         NTSTATUS status;
 147         TALLOC_CTX *mem_ctx;
 148
 149         mem_ctx = talloc_init("smbcli_full_connection");
 150
 151         *ret_cli = NULL;
 152
 153         status = smbcli_tree_full_connection(parent_ctx,
 154                                              &tree, host, 0, sharename, devtype,
 155                                              credentials);
 156         if (!NT_STATUS_IS_OK(status)) {
 157                 goto done;
 158         }
 159
 160         (*ret_cli) = smbcli_state_init(parent_ctx);
 161
 162         (*ret_cli)->tree = tree;
 163         (*ret_cli)->session = tree->session;
 164         (*ret_cli)->transport = tree->session->transport;
 165
 166 done:
 167         talloc_free(mem_ctx);
 168
 169         return status;
 170 }
 171
 172
 173 /*
 174   disconnect the tree
 175 */
 176 NTSTATUS smbcli_tdis(struct smbcli_state *cli)
 177 {
 178         return smb_tree_disconnect(cli->tree);
 179 }
 180
 181 /****************************************************************************
 182  Initialise a client state structure.
 183 ****************************************************************************/
 184 struct smbcli_state *smbcli_state_init(TALLOC_CTX *mem_ctx)
 185 {
 186         struct smbcli_state *cli;
 187
 188         cli = talloc_zero(mem_ctx, struct smbcli_state);
 189         if (cli) {
 190                 ZERO_STRUCTP(cli);
 191         }
 192
 193         return cli;
 194 }
 195
 196 /****************************************************************************
 197  Shutdown a client structure.
 198 ****************************************************************************/
 199 void smbcli_shutdown(struct smbcli_state *cli)
 200 {
 201         talloc_free(cli);
 202 }
 203
 204 /*
 205   parse a //server/share type UNC name
 206 */
 207 BOOL smbcli_parse_unc(const char *unc_name, TALLOC_CTX *mem_ctx,
 208                       const char **hostname, const char **sharename)
 209 {
 210         char *p;
 211
 212         if (strncmp(unc_name, "\\\\", 2) &&
 213             strncmp(unc_name, "//", 2)) {
 214                 return False;
 215         }
 216
 217         *hostname = talloc_strdup(mem_ctx, &unc_name[2]);
 218         p = strchr_m(&(*hostname)[2],'/');
 219         if (!p) {
 220                 p = strchr_m(&(*hostname)[2],'\\');
 221                 if (!p) return False;
 222         }
 223         *p = 0;
 224         *sharename = talloc_strdup(mem_ctx, p+1);
 225
 226         return True;
 227 }
 228
 229
 230