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 "lib/cmdline/cmdline.h"
  24 #include "client.h"
  25 #include "libsmb/proto.h"
  26 #include "clifuse.h"
  27
  28 static struct cli_state *connect_one(struct cli_credentials *creds,
  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         nt_status = cli_full_connection_creds(&c, lp_netbios_name(), server,
  37                                 NULL, port,
  38                                 share, "?????",
  39                                 creds,
  40                                 flags);
  41         if (!NT_STATUS_IS_OK(nt_status)) {
  42                 DBG_ERR("cli_full_connection failed! (%s)\n",
  43                         nt_errstr(nt_status));
  44                 return NULL;
  45         }
  46
  47         return c;
  48 }
  49
  50 int main(int argc, char *argv[])
  51 {
  52         const char **argv_const = discard_const_p(const char *, argv);
  53         TALLOC_CTX *frame = talloc_stackframe();
  54         poptContext pc;
  55         int opt, ret;
  56         int port = 0;
  57         char *unc, *mountpoint, *server, *share;
  58         struct cli_state *cli;
  59         struct cli_credentials *creds = NULL;
  60         bool ok;
  61
  62         struct poptOption long_options[] = {
  63                 POPT_AUTOHELP
  64                 POPT_COMMON_SAMBA
  65                 POPT_COMMON_CREDENTIALS
  66                 { "port", 'p', POPT_ARG_INT, &port, 'p', "Port to connect to",
  67                   "PORT" },
  68                 POPT_TABLEEND
  69         };
  70
  71         smb_init_locale();
  72
  73         ok = samba_cmdline_init(frame,
  74                                 SAMBA_CMDLINE_CONFIG_CLIENT,
  75                                 false /* require_smbconf */);
  76         if (!ok) {
  77                 DBG_ERR("Failed to init cmdline parser!\n");
  78                 TALLOC_FREE(frame);
  79                 exit(1);
  80         }
  81         lp_set_cmdline("client min protocol", "SMB2");
  82         lp_set_cmdline("client max protocol", "SMB3_11");
  83
  84         pc = samba_popt_get_context(getprogname(),
  85                                     argc,
  86                                     argv_const,
  87                                     long_options,
  88                                     0);
  89         if (pc == NULL) {
  90                 DBG_ERR("Failed to setup popt context!\n");
  91                 TALLOC_FREE(frame);
  92                 exit(1);
  93         }
  94
  95         poptSetOtherOptionHelp(pc, "//server1/share1 mountpoint");
  96
  97         while ((opt = poptGetNextOpt(pc)) != -1) {
  98                 switch(opt) {
  99                     case 'p':
 100                             break;
 101                     default:
 102                             fprintf(stderr, "Unknown Option: %c\n", opt);
 103                             exit(1);
 104                 }
 105         }
 106
 107         if (!poptPeekArg(pc)) {
 108                 poptPrintUsage(pc, stderr, 0);
 109                 return -1;
 110         }
 111         unc = talloc_strdup(frame, poptGetArg(pc));
 112         if (unc == NULL) {
 113                 return -1;
 114         }
 115         string_replace(unc,'/','\\');
 116
 117         if (!poptPeekArg(pc)) {
 118                 poptPrintUsage(pc, stderr, 0);
 119                 return -1;
 120         }
 121         mountpoint = talloc_strdup(frame, poptGetArg(pc));
 122         if (mountpoint == NULL) {
 123                 return -1;
 124         }
 125
 126         poptFreeContext(pc);
 127         samba_cmdline_burn(argc, argv);
 128
 129         server = talloc_strdup(frame, unc+2);
 130         if (!server) {
 131                 return -1;
 132         }
 133         share = strchr_m(server,'\\');
 134         if (!share) {
 135                 fprintf(stderr, "Invalid argument: %s\n", server);
 136                 return -1;
 137         }
 138
 139         *share = 0;
 140         share++;
 141
 142         creds = samba_cmdline_get_creds();
 143
 144         cli = connect_one(creds, server, port, share);
 145         if (cli == NULL) {
 146                 return -1;
 147         }
 148
 149         ret = do_mount(cli, mountpoint);
 150         if (ret != 0) {
 151                 fprintf(stderr, "mount failed\n");
 152                 return -1;
 153         }
 154
 155         TALLOC_FREE(frame);
 156         return 0;
 157 }