examples/nfs-io.c

   1 /*
   2    Copyright (C) by Peter Lieven <pl@kamp.de> 2013
   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 as published by
   6    the Free Software Foundation; either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, see <http://www.gnu.org/licenses/>.
  16 */
  17
  18 #define _FILE_OFFSET_BITS 64
  19 #define _GNU_SOURCE
  20
  21 #ifdef HAVE_CONFIG_H
  22 #include "config.h"
  23 #endif
  24
  25 #ifdef AROS
  26 #include "aros_compat.h"
  27 #endif
  28
  29 #ifdef WIN32
  30 #include "win32_compat.h"
  31 #pragma comment(lib, "ws2_32.lib")
  32 WSADATA wsaData;
  33 #define PRId64 "ll"
  34 #else
  35 #include <inttypes.h>
  36 #include <string.h>
  37 #include <sys/stat.h>
  38 #include <sys/statvfs.h>
  39 #ifndef AROS
  40 #include <sys/statvfs.h>
  41 #endif
  42 #endif
  43
  44 #ifdef HAVE_UNISTD_H
  45 #include <unistd.h>
  46 #endif
  47
  48 #include <stdio.h>
  49 #include <stdlib.h>
  50 #include <stdint.h>
  51 #include <sys/types.h>
  52 #include <sys/stat.h>
  53 #include <fcntl.h>
  54 #include "libnfs-zdr.h"
  55 #include "libnfs.h"
  56 #include "libnfs-raw.h"
  57 #include "libnfs-raw-mount.h"
  58
  59 void print_usage(void)
  60 {
  61         fprintf(stderr, "Usage: nfs-io [-?|--help|--usage] [stat|creat|unlink|mkdir|rmdir] <url>\n");
  62 }
  63
  64 int main(int argc, char *argv[])
  65 {
  66         int ret = 1;
  67         struct nfs_context *nfs = NULL;
  68         struct nfsfh *nfsfh = NULL;
  69         struct nfs_url *url = NULL;
  70
  71 #ifdef WIN32
  72         if (WSAStartup(MAKEWORD(2,2), &wsaData) != 0) {
  73                 printf("Failed to start Winsock2\n");
  74                 exit(10);
  75         }
  76 #endif
  77
  78 #ifdef AROS
  79         aros_init_socket();
  80 #endif
  81
  82         if (argc < 3) {
  83                 fprintf(stderr, "No URL specified.\n");
  84                 goto finished;
  85         }
  86
  87         nfs = nfs_init_context();
  88         if (nfs == NULL) {
  89                 printf("failed to init context\n");
  90                 goto finished;
  91         }
  92
  93         url = nfs_parse_url_full(nfs, argv[argc - 1]);
  94         if (url == NULL) {
  95                 fprintf(stderr, "%s\n", nfs_get_error(nfs));
  96                 goto finished;
  97         }
  98
  99         if (nfs_mount(nfs, url->server, url->path) != 0) {
 100                 fprintf(stderr, "Failed to mount nfs share : %s\n", nfs_get_error(nfs));
 101                 goto finished;
 102         }
 103
 104         if (!strncmp(argv[1], "creat", 5)) {
 105                 ret = nfs_creat(nfs, url->file, 0600, &nfsfh);
 106         } else if (!strncmp(argv[1], "unlink", 6)) {
 107                 ret = nfs_unlink(nfs, url->file);
 108         } else if (!strncmp(argv[1], "mkdir", 5)) {
 109                 ret = nfs_mkdir(nfs, url->file);
 110         } else if (!strncmp(argv[1], "rmdir", 5)) {
 111                 ret = nfs_rmdir(nfs, url->file);
 112         } else if (!strncmp(argv[1], "stat", 4)) {
 113                 struct stat st;
 114                 ret = nfs_stat(nfs, url->file, &st);
 115                 if (!ret) {
 116                         switch (st.st_mode & S_IFMT) {
 117         #ifndef WIN32
 118                         case S_IFLNK:
 119                                 printf("l");
 120                                 break;
 121         #endif
 122                         case S_IFREG:
 123                                 printf("-");
 124                                 break;
 125                         case S_IFDIR:
 126                                 printf("d");
 127                                 break;
 128                         case S_IFCHR:
 129                                 printf("c");
 130                                 break;
 131                         case S_IFBLK:
 132                                 printf("b");
 133                                 break;
 134                         }
 135                         printf("%c%c%c",
 136                                 "-r"[!!(st.st_mode & S_IRUSR)],
 137                                 "-w"[!!(st.st_mode & S_IWUSR)],
 138                                 "-x"[!!(st.st_mode & S_IXUSR)]
 139                         );
 140                         printf("%c%c%c",
 141                                 "-r"[!!(st.st_mode & S_IRGRP)],
 142                                 "-w"[!!(st.st_mode & S_IWGRP)],
 143                                 "-x"[!!(st.st_mode & S_IXGRP)]
 144                         );
 145                         printf("%c%c%c",
 146                                 "-r"[!!(st.st_mode & S_IROTH)],
 147                                 "-w"[!!(st.st_mode & S_IWOTH)],
 148                                 "-x"[!!(st.st_mode & S_IXOTH)]
 149                         );
 150                         printf(" %2d", (int) st.st_nlink);
 151                         printf(" %5d", st.st_uid);
 152                         printf(" %5d", st.st_gid);
 153                         printf(" %12" PRId64, st.st_size);
 154                         printf("\n");
 155                 }
 156         } else {
 157                 goto finished;
 158         }
 159
 160         if (ret) {
 161                 fprintf(stderr, "ERROR: %s\n", nfs_get_error(nfs));
 162         }
 163
 164 finished:
 165         if (ret > 0) {
 166                 print_usage();
 167         }
 168         nfs_destroy_url(url);
 169         if (nfs != NULL) {
 170                 if (nfsfh) {
 171                         nfs_close(nfs, nfsfh);
 172                 }
 173                 nfs_destroy_context(nfs);
 174         }
 175         return !!ret;
 176 }
 177