add an example program that prints the NFS filehandle of a URL
Signed-off-by: Ronnie Sahlberg <ronniesahlberg@gmail.com>libnfs-4.0.0-vitalif
parent
82b341168e
commit
f5ccc53679
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@ -1,4 +1,4 @@
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noinst_PROGRAMS = nfsclient-async nfsclient-raw nfsclient-sync nfsclient-bcast nfsclient-listservers nfs-io nfs-ln nfs4-cat portmap-client portmap-server
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noinst_PROGRAMS = nfsclient-async nfsclient-raw nfsclient-sync nfsclient-bcast nfsclient-listservers nfs-fh nfs-io nfs-ln nfs4-cat portmap-client portmap-server
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if HAVE_TALLOC_TEVENT
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noinst_PROGRAMS += nfs4-cat-talloc
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@ -21,6 +21,7 @@ nfsclient_raw_LDADD = $(COMMON_LIBS)
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nfsclient_sync_LDADD = $(COMMON_LIBS)
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nfsclient_bcast_LDADD = $(COMMON_LIBS)
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nfsclient_listservers_LDADD = $(COMMON_LIBS)
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nfs_fh_LDADD = $(COMMON_LIBS)
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nfs_io_LDADD = $(COMMON_LIBS)
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nfs_ln_LDADD = $(COMMON_LIBS)
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nfs4_cat_LDADD = $(COMMON_LIBS) -levent
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@ -0,0 +1,133 @@
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/* -*- mode:c; tab-width:8; c-basic-offset:8; indent-tabs-mode:nil; -*- */
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/*
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Copyright (C) by Ronnie Sahlberg <ronniesahlberg@gmail.com> 2018
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#define _FILE_OFFSET_BITS 64
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#define _GNU_SOURCE
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#ifdef AROS
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#include "aros_compat.h"
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#endif
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#ifdef WIN32
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#include "win32_compat.h"
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#pragma comment(lib, "ws2_32.lib")
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WSADATA wsaData;
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#else
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#include <sys/stat.h>
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#include <string.h>
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#endif
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#ifdef HAVE_POLL_H
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#include <poll.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include "libnfs.h"
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#include "libnfs-raw.h"
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#include "libnfs-raw-nfs.h"
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void usage(void)
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{
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fprintf(stderr, "Usage: nfs-fh <url>\n");
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fprintf(stderr, "\tPrints the NFS filehandle for a URL.\n");
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exit(0);
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}
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int main(int argc, char *argv[])
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{
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int i;
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int ret = 0;
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struct nfs_context *nfs = NULL;
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struct nfsfh *nfsfh = NULL;
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struct nfs_fh3 *fh3;
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struct nfs_url *url = NULL;
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#ifdef WIN32
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if (WSAStartup(MAKEWORD(2,2), &wsaData) != 0) {
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printf("Failed to start Winsock2\n");
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return 1;
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}
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#endif
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#ifdef AROS
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aros_init_socket();
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#endif
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if (argc < 2) {
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usage();
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}
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nfs = nfs_init_context();
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if (nfs == NULL) {
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fprintf(stderr, "failed to init context\n");
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goto finished;
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}
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url = nfs_parse_url_full(nfs, argv[1]);
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if (url == NULL) {
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fprintf(stderr, "%s\n", nfs_get_error(nfs));
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ret = 1;
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goto finished;
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}
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if (nfs_mount(nfs, url->server, url->path) != 0) {
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fprintf(stderr, "Failed to mount nfs share : %s\n",
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nfs_get_error(nfs));
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ret = 1;
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goto finished;
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}
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if (nfs_open(nfs, url->file, O_RDONLY, &nfsfh) != 0) {
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fprintf(stderr, "Failed to open file %s: %s\n",
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url->file, nfs_get_error(nfs));
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ret = 1;
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goto finished;
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}
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fh3 = (struct nfs_fh3 *)nfs_get_fh(nfsfh);
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for (i = 0; i < fh3->data.data_len; i++) {
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printf("%02x", (unsigned char)(fh3->data.data_val[i]));
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}
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printf("\n");
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finished:
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if (nfsfh) {
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nfs_close(nfs, nfsfh);
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}
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if (url) {
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nfs_destroy_url(url);
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}
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if (nfs) {
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nfs_destroy_context(nfs);
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}
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return ret;
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}
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