131 lines
3.2 KiB
C
131 lines
3.2 KiB
C
/* -*- 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> 2017
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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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#include <fcntl.h>
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#include <inttypes.h>
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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 <string.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include "libnfs.h"
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void usage(void)
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{
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fprintf(stderr, "Usage: prog_open_write <url> <cwd> <path> <flags>"
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"\t<data>\n");
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exit(1);
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}
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int main(int argc, char *argv[])
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{
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struct nfs_context *nfs = NULL;
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struct nfs_url *url = NULL;
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int ret = 0;
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int flags = 0, count;
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struct nfsfh *fh;
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if (argc != 6) {
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usage();
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}
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if (strstr(argv[4], "O_RDONLY")) {
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flags |= O_RDONLY;
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}
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if (strstr(argv[4], "O_RDWR")) {
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flags |= O_RDWR;
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}
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if (strstr(argv[4], "O_WRONLY")) {
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flags |= O_WRONLY;
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}
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if (strstr(argv[4], "O_NOFOLLOW")) {
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flags |= O_NOFOLLOW;
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}
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if (strstr(argv[4], "O_APPEND")) {
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flags |= O_APPEND;
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}
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if (strstr(argv[4], "O_TRUNC")) {
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flags |= O_TRUNC;
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}
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if (strstr(argv[4], "O_CREAT")) {
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flags |= O_CREAT;
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}
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nfs = nfs_init_context();
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if (nfs == NULL) {
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printf("failed to init context\n");
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exit(1);
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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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exit(1);
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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_chdir(nfs, argv[2]) != 0) {
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fprintf(stderr, "Failed to chdir to \"%s\" : %s\n",
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argv[2], 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, argv[3],flags, &fh)) {
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fprintf(stderr, "Failed to open(): %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 (strlen(argv[5]) > 0) {
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count = nfs_write(nfs, fh, strlen(argv[5]), argv[5]);
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if (count < 0) {
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fprintf(stderr, "Failed to write(): %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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}
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if (nfs_close(nfs, fh)) {
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fprintf(stderr, "Failed to close(): %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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finished:
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nfs_destroy_url(url);
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nfs_destroy_context(nfs);
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return ret;
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}
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