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, const char *share)
  30 {
  31         struct cli_state *c = NULL;
  32         NTSTATUS nt_status;
  33         uint32_t flags = 0;
  34
  35         if (get_cmdline_auth_info_use_kerberos(auth_info)) {
  36                 flags |= CLI_FULL_CONNECTION_USE_KERBEROS |
  37                          CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
  38         }
  39
  40         nt_status = cli_full_connection(&c, lp_netbios_name(), server,
  41                                 NULL, 0,
  42                                 share, "?????",
  43                                 get_cmdline_auth_info_username(auth_info),
  44                                 lp_workgroup(),
  45                                 get_cmdline_auth_info_password(auth_info),
  46                                 flags,
  47                                 get_cmdline_auth_info_signing_state(auth_info));
  48         if (!NT_STATUS_IS_OK(nt_status)) {
  49                 DBG_ERR("cli_full_connection failed! (%s)\n",
  50                         nt_errstr(nt_status));
  51                 return NULL;
  52         }
  53
  54         if (get_cmdline_auth_info_smb_encrypt(auth_info)) {
  55                 nt_status = cli_cm_force_encryption(
  56                         c,
  57                         get_cmdline_auth_info_username(auth_info),
  58                         get_cmdline_auth_info_password(auth_info),
  59                         lp_workgroup(),
  60                         share);
  61                 if (!NT_STATUS_IS_OK(nt_status)) {
  62                         cli_shutdown(c);
  63                         c = NULL;
  64                 }
  65         }
  66
  67         return c;
  68 }
  69
  70 int main(int argc, char *argv[])
  71 {
  72         const char **argv_const = discard_const_p(const char *, argv);
  73         TALLOC_CTX *frame = talloc_stackframe();
  74         poptContext pc;
  75         int opt, ret;
  76         char *unc, *mountpoint, *server, *share;
  77         struct cli_state *cli;
  78
  79         struct poptOption long_options[] = {
  80                 POPT_AUTOHELP
  81                 POPT_COMMON_SAMBA
  82                 POPT_COMMON_CREDENTIALS
  83                 POPT_TABLEEND
  84         };
  85
  86         smb_init_locale();
  87         setup_logging(argv[0], DEBUG_STDERR);
  88         lp_set_cmdline("client min protocol", "SMB2");
  89         lp_set_cmdline("client max protocol", "SMB3_11");
  90
  91         lp_load_global(get_dyn_CONFIGFILE());
  92         load_interfaces();
  93
  94         pc = poptGetContext("smb2mount", argc, argv_const, long_options, 0);
  95         poptSetOtherOptionHelp(pc, "//server1/share1 mountpoint");
  96
  97         while ((opt = poptGetNextOpt(pc)) != -1) {
  98                 switch(opt) {
  99                     default:
 100                             fprintf(stderr, "Unknown Option: %c\n", opt);
 101                             exit(1);
 102                 }
 103         }
 104
 105         if (!poptPeekArg(pc)) {
 106                 poptPrintUsage(pc, stderr, 0);
 107                 return -1;
 108         }
 109         unc = talloc_strdup(frame, poptGetArg(pc));
 110         if (unc == NULL) {
 111                 return -1;
 112         }
 113         string_replace(unc,'/','\\');
 114
 115         if (!poptPeekArg(pc)) {
 116                 poptPrintUsage(pc, stderr, 0);
 117                 return -1;
 118         }
 119         mountpoint = talloc_strdup(frame, poptGetArg(pc));
 120         if (mountpoint == NULL) {
 121                 return -1;
 122         }
 123
 124         poptFreeContext(pc);
 125         popt_burn_cmdline_password(argc, argv);
 126
 127         server = talloc_strdup(frame, unc+2);
 128         if (!server) {
 129                 return -1;
 130         }
 131         share = strchr_m(server,'\\');
 132         if (!share) {
 133                 fprintf(stderr, "Invalid argument: %s\n", share);
 134                 return -1;
 135         }
 136
 137         *share = 0;
 138         share++;
 139
 140         cli = connect_one(cmdline_auth_info, server, share);
 141         if (cli == NULL) {
 142                 return -1;
 143         }
 144
 145         ret = do_mount(cli, mountpoint);
 146         if (ret != 0) {
 147                 fprintf(stderr, "mount failed\n");
 148                 return -1;
 149         }
 150
 151         TALLOC_FREE(frame);
 152         return 0;
 153 }