usmb_dir.c

   1 /* usmb - mount SMB shares via FUSE and Samba
   2  * Copyright (C) 2006-2009 Geoff Johnstone
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 3 as
   6  * published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15  */
  16
  17 #include "config.h"
  18 #include <sys/time.h>        // struct timeval needed by libsmbclient.h
  19 #include <libsmbclient.h>
  20 #include "samba3x-compat.h"
  21 #include <fuse.h>
  22 #include <dirent.h>
  23 #include <errno.h>
  24 #include <stdarg.h>
  25 #include <stddef.h>
  26 #include <stdio.h>
  27 #include <stdlib.h>
  28 #include <string.h>
  29 #include "usmb_dir.h"
  30 #include "usmb.h"
  31 #include "utils.h"
  32
  33
  34 int usmb_mkdir (const char *dirname, mode_t mode)
  35 {
  36   char *url = make_url (dirname);
  37   if (NULL == url)
  38     return -ENOMEM;
  39
  40   DEBUG (fprintf (stderr, "mkdir (%s)\n", url));
  41   int ret = smbc_getFunctionMkdir (ctx) (ctx, url, mode) ? -errno : 0;
  42   free (url);
  43   return ret;
  44 }
  45
  46
  47 int usmb_rmdir (const char *dirname)
  48 {
  49   char *url = make_url (dirname);
  50   if (NULL == url)
  51     return -ENOMEM;
  52
  53   DEBUG (fprintf (stderr, "rmdir (%s)\n", url));
  54   int ret = smbc_getFunctionRmdir (ctx) (ctx, url) ? -errno : 0;
  55   free (url);
  56
  57   return ret;
  58 }
  59
  60
  61 int usmb_opendir (const char *dirname, struct fuse_file_info *fi)
  62 {
  63   char *url = make_url (dirname);
  64   if (NULL == url)
  65     return -ENOMEM;
  66
  67   DEBUG (fprintf (stderr, "opendir (%s)", url));
  68   SMBCFILE *file = smbc_getFunctionOpendir (ctx) (ctx, url);
  69   DEBUG (fprintf (stderr, " = %p\n", (void *)file));
  70
  71   int ret = (NULL == file) ? -errno : 0;
  72   free (url);
  73   fi->fh = smbcfile_to_fd (file);
  74
  75   return ret;
  76 }
  77
  78
  79 int usmb_readdir (const char *path, void *h, fuse_fill_dir_t filler,
  80                   off_t offset UNUSED, struct fuse_file_info *fi UNUSED)
  81 {
  82   SMBCCTX *ctx = NULL;
  83   SMBCFILE *file = NULL;
  84   char *url = NULL;
  85   struct smbc_dirent *dirent;
  86   int ret = 0;
  87
  88   DEBUG (fprintf (stderr, "readdir (%s)\n", path));
  89
  90   if (!create_smb_context (&ctx))
  91     return -errno;
  92
  93   do
  94   {
  95     url = make_url (path);
  96     if (NULL == url)
  97     {
  98       ret = -ENOMEM;
  99       break;
 100     }
 101
 102     file = smbc_getFunctionOpendir (ctx) (ctx, url);
 103     if (NULL == file)
 104     {
 105       ret = -errno;
 106       break;
 107     }
 108
 109     smbc_getFunctionLseekdir (ctx) (ctx, file, 0);
 110
 111     while (NULL != (dirent = smbc_getFunctionReaddir (ctx) (ctx, file)))
 112     {
 113       struct stat stbuf;
 114
 115       switch (dirent->smbc_type)
 116       {
 117         case SMBC_DIR:
 118           stbuf.st_mode = DT_DIR << 12;
 119           break;
 120
 121         case SMBC_FILE:
 122           stbuf.st_mode = DT_REG << 12;
 123           break;
 124
 125         case SMBC_LINK:
 126           stbuf.st_mode = DT_LNK << 12;
 127           break;
 128
 129         default:
 130           break;
 131       }
 132
 133       DEBUG (fprintf (stderr, "  %s\n", dirent->name));
 134       if (1 == filler (h, dirent->name, &stbuf, 0))  /* if error */
 135       {
 136         ret = -1;
 137         break;
 138       }
 139     }
 140   } while (false /*CONSTCOND*/);
 141
 142   if (NULL != file)
 143     (void)smbc_getFunctionClosedir (ctx) (ctx, file);
 144
 145   if (NULL != url)
 146     free (url);
 147
 148   destroy_smb_context (ctx, 0);
 149   return ret;
 150 }
 151
 152
 153 int usmb_releasedir (const char *path UNUSED, struct fuse_file_info *fi)
 154 {
 155   SMBCFILE *file = fd_to_smbcfile (fi->fh);
 156   DEBUG (fprintf (stderr, "releasedir (%s, %p)\n", path, (void *)file));
 157   return (0 > smbc_getFunctionClosedir (ctx) (ctx, file)) ? -errno : 0;
 158 }
 159
 160
 161 int usmb_setxattr (const char *path, const char *name, const char *value,
 162                    size_t size, int flags)
 163 {
 164   char *url = make_url (path);
 165   if (NULL == url)
 166     return -ENOMEM;
 167
 168   DEBUG (fprintf (stderr, "setxattr (%s, %s, %p, %u, %x)\n",
 169                   path, url, value, size, flags));
 170   int ret = smbc_getFunctionSetxattr (ctx) (ctx, url, name,
 171                                             value, size, flags) ? -errno : 0;
 172   free (url);
 173   return ret;
 174 }
 175
 176
 177 int usmb_getxattr (const char *path, const char *name, char *value, size_t size)
 178 {
 179   char *url = make_url (path);
 180   if (NULL == url)
 181     return -ENOMEM;
 182
 183   DEBUG (fprintf (stderr, "getxattr (%s, %s, %p, %u)\n",
 184                   path, url, value, size));
 185   int ret = smbc_getFunctionGetxattr (ctx) (ctx, url, name,
 186                                             value, size) ?  -errno : 0;
 187   free (url);
 188   return ret;
 189 }
 190
 191
 192 int usmb_listxattr (const char *path, char *list, size_t size)
 193 {
 194   char *url = make_url (path);
 195   if (NULL == url)
 196     return -ENOMEM;
 197
 198   DEBUG (fprintf (stderr, "listxattr (%s, %p, %u)\n", url, list, size));
 199   int ret = smbc_getFunctionListxattr (ctx) (ctx, url, list, size) ? -errno : 0;
 200   free (url);
 201   return ret;
 202 }
 203
 204
 205 int usmb_removexattr (const char *path, const char *name)
 206 {
 207   char *url = make_url (path);
 208   if (NULL == url)
 209     return -ENOMEM;
 210
 211   DEBUG (fprintf (stderr, "removexattr (%s, %s)\n", url, name));
 212   int ret = smbc_getFunctionRemovexattr (ctx) (ctx, url, name) ? -errno : 0;
 213   free (url);
 214   return ret;
 215 }
 216