examples/fuse/smb2mount.c

   1 /*
   2  * Unix SMB/CIFS implementation.
   3  * fusermount smb2 client
   4  *
   5  * Copyright (C) Volker Lendecke 2016
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 3 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #include "source3/include/includes.h"
  22 #include "popt.h"
  23 #include "popt_common.h"
  24 #include "client.h"
  25 #include "libsmb/proto.h"
  26 #include "clifuse.h"
  27
  28 static struct cli_state *connect_one(const struct user_auth_info *auth_info,
  29                                      const char *server, int port,
  30                                      const char *share)
  31 {
  32         struct cli_state *c = NULL;
  33         NTSTATUS nt_status;
  34         uint32_t flags = 0;
  35
  36         if (get_cmdline_auth_info_use_kerberos(auth_info)) {
  37                 flags |= CLI_FULL_CONNECTION_USE_KERBEROS |
  38                          CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
  39         }
  40
  41         nt_status = cli_full_connection(&c, lp_netbios_name(), server,
  42                                 NULL, port,
  43                                 share, "?????",
  44                                 get_cmdline_auth_info_username(auth_info),
  45                                 lp_workgroup(),
  46                                 get_cmdline_auth_info_password(auth_info),
  47                                 flags,
  48                                 get_cmdline_auth_info_signing_state(auth_info));
  49         if (!NT_STATUS_IS_OK(nt_status)) {
  50                 DBG_ERR("cli_full_connection failed! (%s)\n",
  51                         nt_errstr(nt_status));
  52                 return NULL;
  53         }
  54
  55         if (get_cmdline_auth_info_smb_encrypt(auth_info)) {
  56                 nt_status = cli_cm_force_encryption(
  57                         c,
  58                         get_cmdline_auth_info_username(auth_info),
  59                         get_cmdline_auth_info_password(auth_info),
  60                         lp_workgroup(),
  61                         share);
  62                 if (!NT_STATUS_IS_OK(nt_status)) {
  63                         cli_shutdown(c);
  64                         c = NULL;
  65                 }
  66         }
  67
  68         return c;
  69 }
  70
  71 int main(int argc, char *argv[])
  72 {
  73         const char **argv_const = discard_const_p(const char *, argv);
  74         TALLOC_CTX *frame = talloc_stackframe();
  75         poptContext pc;
  76         int opt, ret;
  77         int port = 0;
  78         char *unc, *mountpoint, *server, *share;
  79         struct cli_state *cli;
  80
  81         struct poptOption long_options[] = {
  82                 POPT_AUTOHELP
  83                 POPT_COMMON_SAMBA
  84                 POPT_COMMON_CREDENTIALS
  85                 { "port", 'p', POPT_ARG_INT, &port, 'p', "Port to connect to",
  86                   "PORT" },
  87                 POPT_TABLEEND
  88         };
  89
  90         smb_init_locale();
  91         setup_logging(argv[0], DEBUG_STDERR);
  92         lp_set_cmdline("client min protocol", "SMB2");
  93         lp_set_cmdline("client max protocol", "SMB3_11");
  94
  95         lp_load_global(get_dyn_CONFIGFILE());
  96         load_interfaces();
  97
  98         pc = poptGetContext("smb2mount", argc, argv_const, long_options, 0);
  99         poptSetOtherOptionHelp(pc, "//server1/share1 mountpoint");
 100
 101         while ((opt = poptGetNextOpt(pc)) != -1) {
 102                 switch(opt) {
 103                     case 'p':
 104                             break;
 105                     default:
 106                             fprintf(stderr, "Unknown Option: %c\n", opt);
 107                             exit(1);
 108                 }
 109         }
 110
 111         if (!poptPeekArg(pc)) {
 112                 poptPrintUsage(pc, stderr, 0);
 113                 return -1;
 114         }
 115         unc = talloc_strdup(frame, poptGetArg(pc));
 116         if (unc == NULL) {
 117                 return -1;
 118         }
 119         string_replace(unc,'/','\\');
 120
 121         if (!poptPeekArg(pc)) {
 122                 poptPrintUsage(pc, stderr, 0);
 123                 return -1;
 124         }
 125         mountpoint = talloc_strdup(frame, poptGetArg(pc));
 126         if (mountpoint == NULL) {
 127                 return -1;
 128         }
 129
 130         poptFreeContext(pc);
 131         popt_burn_cmdline_password(argc, argv);
 132
 133         server = talloc_strdup(frame, unc+2);
 134         if (!server) {
 135                 return -1;
 136         }
 137         share = strchr_m(server,'\\');
 138         if (!share) {
 139                 fprintf(stderr, "Invalid argument: %s\n", share);
 140                 return -1;
 141         }
 142
 143         *share = 0;
 144         share++;
 145
 146         cli = connect_one(popt_get_cmdline_auth_info(), server, port, share);
 147         if (cli == NULL) {
 148                 return -1;
 149         }
 150
 151         ret = do_mount(cli, mountpoint);
 152         if (ret != 0) {
 153                 fprintf(stderr, "mount failed\n");
 154                 return -1;
 155         }
 156
 157         popt_free_cmdline_auth_info();
 158         TALLOC_FREE(frame);
 159         return 0;
 160 }