109 lines
1.8 KiB
C
109 lines
1.8 KiB
C
#ifndef lint
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static char sccsid[] = "@(#)nfsd.c 1.1 94/10/31 Copyr 1985 Sun Micro";
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#endif
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/*
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* Copyright (c) 1985 Sun Microsystems, Inc.
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*/
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/* NFS server */
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#include <sys/param.h>
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#include <rpc/rpc.h>
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#include <sys/socket.h>
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#include <sys/errno.h>
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#include <sys/time.h>
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#include <sys/ioctl.h>
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#include <sys/file.h>
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#include <nfs/nfs.h>
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#include <stdio.h>
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#include <signal.h>
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extern int errno;
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catch()
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{
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}
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main(argc, argv)
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char *argv[];
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{
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register int sock;
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struct sockaddr_in addr;
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int len = sizeof(struct sockaddr_in);
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char *dir = "/";
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int nservers = 1;
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int pid, t;
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if (argc > 2) {
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fprintf(stderr, "usage: %s [servers]\n", argv[0]);
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exit(1);
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}
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if (argc == 2) {
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nservers = atoi(argv[1]);
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}
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/*
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* Set current and root dir to server root
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*/
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if (chroot(dir) < 0) {
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perror(dir);
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exit(1);
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}
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if (chdir(dir) < 0) {
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perror(dir);
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exit(1);
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}
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#ifndef DEBUG
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/*
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* Background
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*/
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pid = fork();
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if (pid < 0) {
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perror("nfsd: fork");
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exit(1);
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}
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if (pid != 0)
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exit(0);
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{ int s;
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for (s = 0; s < 10; s++)
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(void) close(s);
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}
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(void) open("/", O_RDONLY);
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(void) dup2(0, 1);
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(void) dup2(0, 2);
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#endif
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{ int tt = open("/dev/tty", O_RDWR);
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if (tt > 0) {
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ioctl(tt, TIOCNOTTY, 0);
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close(tt);
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}
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}
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addr.sin_addr.s_addr = 0;
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addr.sin_family = AF_INET;
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addr.sin_port = htons(NFS_PORT);
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if ( ((sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0)
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|| (bind(sock, &addr, len) != 0)
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|| (getsockname(sock, &addr, &len) != 0) ) {
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(void)close(sock);
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fprintf(stderr, "%s: server already active", argv[0]);
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exit(1);
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}
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/* register with the portmapper */
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pmap_unset(NFS_PROGRAM, NFS_VERSION);
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pmap_set(NFS_PROGRAM, NFS_VERSION, IPPROTO_UDP, NFS_PORT);
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while (--nservers) {
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if (!fork()) {
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break;
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}
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}
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signal(SIGTERM, catch);
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nfssvc(sock);
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/* Should never come here */
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exit(errno);
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/* NOTREACHED */
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}
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