| 1 | /* |
| 2 | Copyright (C) by Ronnie Sahlberg <ronniesahlberg@gmail.com> 2010 |
| 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 | /* Example program using the highlevel sync interface |
| 22 | */ |
| 23 | #ifdef WIN32 |
| 24 | #include "win32_compat.h" |
| 25 | #else |
| 26 | #include <string.h> |
| 27 | #include <fcntl.h> |
| 28 | #include <sys/stat.h> |
| 29 | #include <sys/statvfs.h> |
| 30 | #endif |
| 31 | |
| 32 | |
| 33 | #if defined(WIN32) |
| 34 | #pragma comment(lib, "ws2_32.lib") |
| 35 | WSADATA wsaData; |
| 36 | #else |
| 37 | #include <sys/statvfs.h> |
| 38 | #include <unistd.h> |
| 39 | #endif |
| 40 | |
| 41 | #include <stdio.h> |
| 42 | #include <stdlib.h> |
| 43 | #include <stdint.h> |
| 44 | #include <inttypes.h> |
| 45 | #include <sys/types.h> |
| 46 | #include <sys/stat.h> |
| 47 | #include <fcntl.h> |
| 48 | #include "libnfs-zdr.h" |
| 49 | #include "libnfs.h" |
| 50 | #include <rpc/rpc.h> /* for authunix_create() */ |
| 51 | #include <popt.h> |
| 52 | #include "libnfs-raw.h" |
| 53 | #include "libnfs-raw-mount.h" |
| 54 | |
| 55 | struct client { |
| 56 | char *server; |
| 57 | char *export; |
| 58 | uint32_t mount_port; |
| 59 | int is_finished; |
| 60 | }; |
| 61 | |
| 62 | |
| 63 | char buf[3*1024*1024+337]; |
| 64 | |
| 65 | void print_usage(void) |
| 66 | { |
| 67 | fprintf(stderr, "Usage: nfsclient-sync [-?|--help] [--usage] <url>\n"); |
| 68 | } |
| 69 | |
| 70 | void print_help(void) |
| 71 | { |
| 72 | fprintf(stderr, "Usage: nfsclient-sync [OPTION...] <url>\n"); |
| 73 | fprintf(stderr, "\n"); |
| 74 | fprintf(stderr, "Help options:\n"); |
| 75 | fprintf(stderr, " -?, --help Show this help message\n"); |
| 76 | fprintf(stderr, " --usage Display brief usage message\n"); |
| 77 | fprintf(stderr, "\n"); |
| 78 | fprintf(stderr, "NFS URL format : nfs://<server>/<export-path>\n"); |
| 79 | fprintf(stderr, "\n"); |
| 80 | fprintf(stderr, "<host> is either of:\n"); |
| 81 | fprintf(stderr, " \"hostname\" nfs.example\n"); |
| 82 | fprintf(stderr, " \"ipv4-address\" 10.1.1.27\n"); |
| 83 | fprintf(stderr, " \"ipv6-address\" [fce0::1]\n"); |
| 84 | } |
| 85 | |
| 86 | int main(int argc, char *argv[]) |
| 87 | { |
| 88 | struct nfs_context *nfs = NULL; |
| 89 | int i, ret, res; |
| 90 | uint64_t offset; |
| 91 | struct client client; |
| 92 | struct stat st; |
| 93 | struct nfsfh *nfsfh; |
| 94 | struct nfsdir *nfsdir; |
| 95 | struct nfsdirent *nfsdirent; |
| 96 | struct statvfs svfs; |
| 97 | exports export, tmp; |
| 98 | int show_help = 0, show_usage = 0; |
| 99 | poptContext pc; |
| 100 | const char **extra_argv; |
| 101 | int extra_argc = 0; |
| 102 | const char *url = NULL; |
| 103 | char *server = NULL, *path = NULL, *strp; |
| 104 | |
| 105 | struct poptOption popt_options[] = { |
| 106 | { "help", '?', POPT_ARG_NONE, &show_help, 0, "Show this help message", NULL }, |
| 107 | { "usage", 0, POPT_ARG_NONE, &show_usage, 0, "Display brief usage message", NULL }, |
| 108 | POPT_TABLEEND |
| 109 | }; |
| 110 | |
| 111 | #if defined(WIN32) |
| 112 | if (WSAStartup(MAKEWORD(2,2), &wsaData) != 0) { |
| 113 | printf("Failed to start Winsock2\n"); |
| 114 | exit(10); |
| 115 | } |
| 116 | #endif |
| 117 | |
| 118 | pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_POSIXMEHARDER); |
| 119 | if ((res = poptGetNextOpt(pc)) < -1) { |
| 120 | fprintf(stderr, "Failed to parse option : %s %s\n", |
| 121 | poptBadOption(pc, 0), poptStrerror(res)); |
| 122 | exit(10); |
| 123 | } |
| 124 | extra_argv = poptGetArgs(pc); |
| 125 | if (extra_argv) { |
| 126 | url = *extra_argv; |
| 127 | extra_argv++; |
| 128 | while (extra_argv[extra_argc]) { |
| 129 | extra_argc++; |
| 130 | } |
| 131 | } |
| 132 | poptFreeContext(pc); |
| 133 | |
| 134 | if (show_help != 0) { |
| 135 | print_help(); |
| 136 | exit(0); |
| 137 | } |
| 138 | |
| 139 | if (show_usage != 0) { |
| 140 | print_usage(); |
| 141 | exit(0); |
| 142 | } |
| 143 | |
| 144 | if (url == NULL) { |
| 145 | fprintf(stderr, "No URL specified.\n"); |
| 146 | print_usage(); |
| 147 | exit(0); |
| 148 | } |
| 149 | |
| 150 | if (strncmp(url, "nfs://", 6)) { |
| 151 | fprintf(stderr, "Invalid URL specified.\n"); |
| 152 | print_usage(); |
| 153 | exit(0); |
| 154 | } |
| 155 | |
| 156 | server = strdup(url + 6); |
| 157 | if (server == NULL) { |
| 158 | fprintf(stderr, "Failed to strdup server string\n"); |
| 159 | exit(10); |
| 160 | } |
| 161 | if (server[0] == '/' || server[0] == '\0') { |
| 162 | fprintf(stderr, "Invalid server string.\n"); |
| 163 | free(server); |
| 164 | exit(10); |
| 165 | } |
| 166 | strp = strchr(server, '/'); |
| 167 | if (strp == NULL) { |
| 168 | fprintf(stderr, "Invalid URL specified.\n"); |
| 169 | print_usage(); |
| 170 | free(server); |
| 171 | exit(0); |
| 172 | } |
| 173 | path = strdup(strp); |
| 174 | if (path == NULL) { |
| 175 | fprintf(stderr, "Failed to strdup server string\n"); |
| 176 | free(server); |
| 177 | exit(10); |
| 178 | } |
| 179 | if (path[0] != '/') { |
| 180 | fprintf(stderr, "Invalid path.\n"); |
| 181 | free(server); |
| 182 | free(path); |
| 183 | exit(10); |
| 184 | } |
| 185 | *strp = 0; |
| 186 | |
| 187 | client.server = server; |
| 188 | client.export = path; |
| 189 | client.is_finished = 0; |
| 190 | |
| 191 | |
| 192 | nfs = nfs_init_context(); |
| 193 | if (nfs == NULL) { |
| 194 | printf("failed to init context\n"); |
| 195 | goto finished; |
| 196 | } |
| 197 | |
| 198 | ret = nfs_mount(nfs, client.server, client.export); |
| 199 | if (ret != 0) { |
| 200 | printf("Failed to mount nfs share : %s\n", nfs_get_error(nfs)); |
| 201 | goto finished; |
| 202 | } |
| 203 | |
| 204 | |
| 205 | ret = nfs_opendir(nfs, "/", &nfsdir); |
| 206 | if (ret != 0) { |
| 207 | printf("Failed to opendir(\"/\")\n", nfs_get_error(nfs)); |
| 208 | exit(10); |
| 209 | } |
| 210 | while((nfsdirent = nfs_readdir(nfs, nfsdir)) != NULL) { |
| 211 | char path[1024]; |
| 212 | |
| 213 | if (!strcmp(nfsdirent->name, ".") || !strcmp(nfsdirent->name, "..")) { |
| 214 | continue; |
| 215 | } |
| 216 | |
| 217 | snprintf(path, 1024, "%s/%s", "/", nfsdirent->name); |
| 218 | ret = nfs_stat(nfs, path, &st); |
| 219 | if (ret != 0) { |
| 220 | fprintf(stderr, "Failed to stat(%s) %s\n", path, nfs_get_error(nfs)); |
| 221 | continue; |
| 222 | } |
| 223 | |
| 224 | switch (st.st_mode & S_IFMT) { |
| 225 | case S_IFLNK: |
| 226 | case S_IFREG: |
| 227 | printf("-"); |
| 228 | break; |
| 229 | case S_IFDIR: |
| 230 | printf("d"); |
| 231 | break; |
| 232 | case S_IFCHR: |
| 233 | printf("c"); |
| 234 | break; |
| 235 | case S_IFBLK: |
| 236 | printf("b"); |
| 237 | break; |
| 238 | } |
| 239 | printf("%c%c%c", |
| 240 | "-r"[!!(st.st_mode & S_IRUSR)], |
| 241 | "-w"[!!(st.st_mode & S_IWUSR)], |
| 242 | "-x"[!!(st.st_mode & S_IXUSR)] |
| 243 | ); |
| 244 | printf("%c%c%c", |
| 245 | "-r"[!!(st.st_mode & S_IRGRP)], |
| 246 | "-w"[!!(st.st_mode & S_IWGRP)], |
| 247 | "-x"[!!(st.st_mode & S_IXGRP)] |
| 248 | ); |
| 249 | printf("%c%c%c", |
| 250 | "-r"[!!(st.st_mode & S_IROTH)], |
| 251 | "-w"[!!(st.st_mode & S_IWOTH)], |
| 252 | "-x"[!!(st.st_mode & S_IXOTH)] |
| 253 | ); |
| 254 | printf(" %2d", st.st_nlink); |
| 255 | printf(" %5d", st.st_uid); |
| 256 | printf(" %5d", st.st_gid); |
| 257 | printf(" %12" PRId64, st.st_size); |
| 258 | |
| 259 | printf(" %s\n", nfsdirent->name); |
| 260 | } |
| 261 | nfs_closedir(nfs, nfsdir); |
| 262 | |
| 263 | |
| 264 | finished: |
| 265 | free(server); |
| 266 | free(path); |
| 267 | if (nfs != NULL) { |
| 268 | nfs_destroy_context(nfs); |
| 269 | } |
| 270 | return 0; |
| 271 | } |
| 272 | |