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 "lib/param/param.h"
  25 #include "client.h"
  26 #include "libsmb/proto.h"
  27 #include "clifuse.h"
  28
  29 static struct cli_state *connect_one(struct cli_credentials *creds,
  30                                      const char *server, int port,
  31                                      const char *share)
  32 {
  33         struct cli_state *c = NULL;
  34         NTSTATUS nt_status;
  35         uint32_t flags = 0;
  36
  37         nt_status = cli_full_connection_creds(talloc_tos(),
  38                                               &c,
  39                                               lp_netbios_name(),
  40                                               server,
  41                                               NULL,
  42                                               port,
  43                                               share,
  44                                               "?????",
  45                                               creds,
  46                                               flags);
  47         if (!NT_STATUS_IS_OK(nt_status)) {
  48                 DBG_ERR("cli_full_connection failed! (%s)\n",
  49                         nt_errstr(nt_status));
  50                 return NULL;
  51         }
  52
  53         return c;
  54 }
  55
  56 int main(int argc, char *argv[])
  57 {
  58         const char **argv_const = discard_const_p(const char *, argv);
  59         TALLOC_CTX *frame = talloc_stackframe();
  60         struct loadparm_context *lp_ctx = NULL;
  61         poptContext pc;
  62         int opt, ret;
  63         int port = 0;
  64         char *unc, *mountpoint, *server, *share;
  65         struct cli_state *cli;
  66         struct cli_credentials *creds = NULL;
  67         bool ok;
  68
  69         struct poptOption long_options[] = {
  70                 POPT_AUTOHELP
  71                 POPT_COMMON_SAMBA
  72                 POPT_COMMON_CREDENTIALS
  73                 { "port", 'p', POPT_ARG_INT, &port, 'p', "Port to connect to",
  74                   "PORT" },
  75                 POPT_TABLEEND
  76         };
  77
  78         smb_init_locale();
  79
  80         ok = samba_cmdline_init(frame,
  81                                 SAMBA_CMDLINE_CONFIG_CLIENT,
  82                                 false /* require_smbconf */);
  83         if (!ok) {
  84                 DBG_ERR("Failed to init cmdline parser!\n");
  85                 TALLOC_FREE(frame);
  86                 exit(1);
  87         }
  88         lp_ctx = samba_cmdline_get_lp_ctx();
  89         lpcfg_set_cmdline(lp_ctx, "client min protocol", "SMB2");
  90         lpcfg_set_cmdline(lp_ctx, "client max protocol", "SMB3_11");
  91
  92         pc = samba_popt_get_context(getprogname(),
  93                                     argc,
  94                                     argv_const,
  95                                     long_options,
  96                                     0);
  97         if (pc == NULL) {
  98                 DBG_ERR("Failed to setup popt context!\n");
  99                 TALLOC_FREE(frame);
 100                 exit(1);
 101         }
 102
 103         poptSetOtherOptionHelp(pc, "//server1/share1 mountpoint");
 104
 105         while ((opt = poptGetNextOpt(pc)) != -1) {
 106                 switch(opt) {
 107                     case 'p':
 108                             break;
 109                     default:
 110                             fprintf(stderr, "Unknown Option: %c\n", opt);
 111                             exit(1);
 112                 }
 113         }
 114
 115         if (!poptPeekArg(pc)) {
 116                 poptPrintUsage(pc, stderr, 0);
 117                 return -1;
 118         }
 119         unc = talloc_strdup(frame, poptGetArg(pc));
 120         if (unc == NULL) {
 121                 return -1;
 122         }
 123         string_replace(unc,'/','\\');
 124
 125         if (!poptPeekArg(pc)) {
 126                 poptPrintUsage(pc, stderr, 0);
 127                 return -1;
 128         }
 129         mountpoint = talloc_strdup(frame, poptGetArg(pc));
 130         if (mountpoint == NULL) {
 131                 return -1;
 132         }
 133
 134         poptFreeContext(pc);
 135         samba_cmdline_burn(argc, argv);
 136
 137         server = talloc_strdup(frame, unc+2);
 138         if (!server) {
 139                 return -1;
 140         }
 141         share = strchr_m(server,'\\');
 142         if (!share) {
 143                 fprintf(stderr, "Invalid argument: %s\n", server);
 144                 return -1;
 145         }
 146
 147         *share = 0;
 148         share++;
 149
 150         creds = samba_cmdline_get_creds();
 151
 152         cli = connect_one(creds, server, port, share);
 153         if (cli == NULL) {
 154                 return -1;
 155         }
 156
 157         ret = do_mount(cli, mountpoint);
 158         if (ret != 0) {
 159                 fprintf(stderr, "mount failed\n");
 160                 return -1;
 161         }
 162
 163         TALLOC_FREE(frame);
 164         return 0;
 165 }