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                               const char *user,
  67                               const char *password,
  68                               const char *domain)
  69 {
  70         struct smb_composite_sesssetup setup;
  71         NTSTATUS status;
  72         TALLOC_CTX *mem_ctx;
  73
  74         cli->session = smbcli_session_init(cli->transport, cli, True);
  75         if (!cli->session) return NT_STATUS_UNSUCCESSFUL;
  76
  77         mem_ctx = talloc_init("smbcli_session_setup");
  78         if (!mem_ctx) return NT_STATUS_NO_MEMORY;
  79
  80         setup.in.sesskey = cli->transport->negotiate.sesskey;
  81         setup.in.capabilities = cli->transport->negotiate.capabilities;
  82         if (!user || !user[0]) {
  83                 setup.in.password = NULL;
  84                 setup.in.user = "";
  85                 setup.in.domain = "";
  86                 setup.in.capabilities &= ~CAP_EXTENDED_SECURITY;
  87         } else {
  88                 if (cli->transport->negotiate.sec_mode & NEGOTIATE_SECURITY_USER_LEVEL) {
  89                         setup.in.password = password;
  90                 } else {
  91                         setup.in.password = NULL;
  92                 }
  93                 setup.in.user = user;
  94                 setup.in.domain = domain;
  95         }
  96
  97         status = smb_composite_sesssetup(cli->session, &setup);
  98
  99         cli->session->vuid = setup.out.vuid;
 100
 101         talloc_free(mem_ctx);
 102
 103         return status;
 104 }
 105
 106 /* wrapper around smb_tree_connect() */
 107 NTSTATUS smbcli_send_tconX(struct smbcli_state *cli, const char *sharename,
 108                            const char *devtype, const char *password)
 109 {
 110         union smb_tcon tcon;
 111         TALLOC_CTX *mem_ctx;
 112         NTSTATUS status;
 113
 114         cli->tree = smbcli_tree_init(cli->session, cli, True);
 115         if (!cli->tree) return NT_STATUS_UNSUCCESSFUL;
 116
 117         mem_ctx = talloc_init("tcon");
 118         if (!mem_ctx) {
 119                 return NT_STATUS_NO_MEMORY;
 120         }
 121
 122         /* setup a tree connect */
 123         tcon.generic.level = RAW_TCON_TCONX;
 124         tcon.tconx.in.flags = 0;
 125         if (cli->transport->negotiate.sec_mode & NEGOTIATE_SECURITY_USER_LEVEL) {
 126                 tcon.tconx.in.password = data_blob(NULL, 0);
 127         } else if (cli->transport->negotiate.sec_mode & NEGOTIATE_SECURITY_CHALLENGE_RESPONSE) {
 128                 tcon.tconx.in.password = data_blob_talloc(mem_ctx, NULL, 24);
 129                 if (cli->transport->negotiate.secblob.length < 8) {
 130                         return NT_STATUS_INVALID_PARAMETER;
 131                 }
 132                 SMBencrypt(password, cli->transport->negotiate.secblob.data, tcon.tconx.in.password.data);
 133         } else {
 134                 tcon.tconx.in.password = data_blob_talloc(mem_ctx, password, strlen(password)+1);
 135         }
 136         tcon.tconx.in.path = sharename;
 137         tcon.tconx.in.device = devtype;
 138
 139         status = smb_tree_connect(cli->tree, mem_ctx, &tcon);
 140
 141         cli->tree->tid = tcon.tconx.out.tid;
 142
 143         talloc_free(mem_ctx);
 144
 145         return status;
 146 }
 147
 148
 149 /*
 150   easy way to get to a fully connected smbcli_state in one call
 151 */
 152 NTSTATUS smbcli_full_connection(TALLOC_CTX *parent_ctx,
 153                                 struct smbcli_state **ret_cli,
 154                                 const char *myname,
 155                                 const char *host,
 156                                 const char *sharename,
 157                                 const char *devtype,
 158                                 const char *username,
 159                                 const char *domain,
 160                                 const char *password)
 161 {
 162         struct smbcli_tree *tree;
 163         NTSTATUS status;
 164         char *p;
 165         TALLOC_CTX *mem_ctx;
 166
 167         mem_ctx = talloc_init("smbcli_full_connection");
 168
 169         *ret_cli = NULL;
 170
 171         /* if the username is of the form DOMAIN\username then split out the domain */
 172         p = strpbrk(username, "\\/");
 173         if (p) {
 174                 domain = talloc_strndup(mem_ctx, username, PTR_DIFF(p, username));
 175                 username = talloc_strdup(mem_ctx, p+1);
 176         }
 177
 178         status = smbcli_tree_full_connection(parent_ctx,
 179                                              &tree, myname, host, 0, sharename, devtype,
 180                                              username, domain, password);
 181         if (!NT_STATUS_IS_OK(status)) {
 182                 goto done;
 183         }
 184
 185         (*ret_cli) = smbcli_state_init(parent_ctx);
 186
 187         (*ret_cli)->tree = tree;
 188         (*ret_cli)->session = tree->session;
 189         (*ret_cli)->transport = tree->session->transport;
 190
 191 done:
 192         talloc_free(mem_ctx);
 193
 194         return status;
 195 }
 196
 197
 198 /*
 199   disconnect the tree
 200 */
 201 NTSTATUS smbcli_tdis(struct smbcli_state *cli)
 202 {
 203         return smb_tree_disconnect(cli->tree);
 204 }
 205
 206 /****************************************************************************
 207  Initialise a client state structure.
 208 ****************************************************************************/
 209 struct smbcli_state *smbcli_state_init(TALLOC_CTX *mem_ctx)
 210 {
 211         struct smbcli_state *cli;
 212
 213         cli = talloc_zero(mem_ctx, struct smbcli_state);
 214         if (cli) {
 215                 ZERO_STRUCTP(cli);
 216         }
 217
 218         return cli;
 219 }
 220
 221 /****************************************************************************
 222  Shutdown a client structure.
 223 ****************************************************************************/
 224 void smbcli_shutdown(struct smbcli_state *cli)
 225 {
 226         talloc_free(cli);
 227 }
 228
 229 /*
 230   parse a //server/share type UNC name
 231 */
 232 BOOL smbcli_parse_unc(const char *unc_name, TALLOC_CTX *mem_ctx,
 233                       const char **hostname, const char **sharename)
 234 {
 235         char *p;
 236
 237         if (strncmp(unc_name, "\\\\", 2) &&
 238             strncmp(unc_name, "//", 2)) {
 239                 return False;
 240         }
 241
 242         *hostname = talloc_strdup(mem_ctx, &unc_name[2]);
 243         p = strchr_m(&(*hostname)[2],'/');
 244         if (!p) {
 245                 p = strchr_m(&(*hostname)[2],'\\');
 246                 if (!p) return False;
 247         }
 248         *p = 0;
 249         *sharename = talloc_strdup(mem_ctx, p+1);
 250
 251         return True;
 252 }
 253
 254
 255