To do so, a few dependencies have been imported: * external/bsd/lutok * external/mit/lua * external/public-domain/sqlite * external/public-domain/xz The Kyua framework is the new generation of ATF (Automated Test Framework), it is composed of: * external/bsd/atf * external/bsd/kyua-atf-compat * external/bsd/kyua-cli * external/bsd/kyua-tester * tests Kyua/ATF being written in C++, it depends on libstdc++ which is provided by GCC. As this is not part of the sources, Kyua is only compiled when the native GCC utils are installed. To install Kyua do the following: * In a cross-build enviromnent, add the following to the build.sh commandline: -V MKBINUTILS=yes -V MKGCCCMDS=yes WARNING: At this point the import is still experimental, and not supported on native builds (a.k.a make build). Change-Id: I26aee23c5bbd2d64adcb7c1beb98fe0d479d7ada
572 lines
15 KiB
C
572 lines
15 KiB
C
/* $NetBSD: nfsd.c,v 1.3 2010/07/28 15:12:17 pooka Exp $ */
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/*
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* Copyright (c) 1989, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Rick Macklem at The University of Guelph.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__COPYRIGHT("@(#) Copyright (c) 1989, 1993, 1994\
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The Regents of the University of California. All rights reserved.");
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#endif /* not lint */
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)nfsd.c 8.9 (Berkeley) 3/29/95";
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#else
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__RCSID("$NetBSD: nfsd.c,v 1.3 2010/07/28 15:12:17 pooka Exp $");
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#endif
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#endif /* not lint */
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#include <sys/param.h>
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#include <sys/ioctl.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <sys/uio.h>
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#include <sys/ucred.h>
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#include <sys/mount.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <poll.h>
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#include <rpc/rpc.h>
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#include <rpc/pmap_clnt.h>
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#include <rpc/pmap_prot.h>
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#include <nfs/rpcv2.h>
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#include <nfs/nfsproto.h>
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#include <nfs/nfs.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <grp.h>
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#include <pwd.h>
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#include <pthread.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <syslog.h>
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#include <unistd.h>
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#include <netdb.h>
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#include <rump/rump.h>
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#include <rump/rump_syscalls.h>
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/* Global defs */
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#ifdef DEBUG
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#define syslog(e, s, args...) \
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do { \
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fprintf(stderr,(s), ## args); \
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fprintf(stderr, "\n"); \
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} while (/*CONSTCOND*/0)
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int debug = 1;
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#else
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int debug = 0;
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#endif
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int main __P((int, char **));
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void nonfs __P((int));
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void usage __P((void));
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static void *
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child(void *arg)
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{
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struct nfsd_srvargs nsd;
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int nfssvc_flag;
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nfssvc_flag = NFSSVC_NFSD;
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memset(&nsd, 0, sizeof(nsd));
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while (rump_sys_nfssvc(nfssvc_flag, &nsd) < 0) {
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if (errno != ENEEDAUTH) {
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syslog(LOG_ERR, "nfssvc: %m %d", errno);
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exit(1);
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}
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nfssvc_flag = NFSSVC_NFSD | NFSSVC_AUTHINFAIL;
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}
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return NULL;
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}
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/*
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* Nfs server daemon mostly just a user context for nfssvc()
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*
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* 1 - do file descriptor and signal cleanup
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* 2 - create the nfsd thread(s)
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* 3 - create server socket(s)
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* 4 - register socket with portmap
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*
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* For connectionless protocols, just pass the socket into the kernel via
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* nfssvc().
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* For connection based sockets, loop doing accepts. When you get a new
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* socket from accept, pass the msgsock into the kernel via nfssvc().
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* The arguments are:
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* -c - support iso cltp clients
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* -r - reregister with portmapper
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* -t - support tcp nfs clients
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* -u - support udp nfs clients
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* followed by "n" which is the number of nfsd threads to create
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*/
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int nfsd_main(int, char**);
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int
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nfsd_main(argc, argv)
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int argc;
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char *argv[];
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{
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struct nfsd_args nfsdargs;
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struct addrinfo *ai_udp, *ai_tcp, *ai_udp6, *ai_tcp6, hints;
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struct netconfig *nconf_udp, *nconf_tcp, *nconf_udp6, *nconf_tcp6;
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struct netbuf nb_udp, nb_tcp, nb_udp6, nb_tcp6;
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struct sockaddr_in inetpeer;
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struct pollfd set[4];
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socklen_t len;
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int ch, cltpflag, connect_type_cnt, i, maxsock, msgsock;
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int nfsdcnt, on = 1, reregister, sock, tcpflag, tcpsock;
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int tcp6sock, ip6flag;
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int tp4cnt, tp4flag, tpipcnt, tpipflag, udpflag, ecode, s;
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int error = 0;
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#define DEFNFSDCNT 4
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nfsdcnt = DEFNFSDCNT;
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cltpflag = reregister = tcpflag = tp4cnt = tp4flag = tpipcnt = 0;
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tpipflag = udpflag = ip6flag = 0;
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nconf_udp = nconf_tcp = nconf_udp6 = nconf_tcp6 = NULL;
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maxsock = 0;
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tcpsock = tcp6sock = -1;
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#define GETOPT "6n:rtu"
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#define USAGE "[-rtu] [-n num_servers]"
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while ((ch = getopt(argc, argv, GETOPT)) != -1) {
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switch (ch) {
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case '6':
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ip6flag = 1;
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s = socket(PF_INET6, SOCK_DGRAM, IPPROTO_UDP);
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if (s < 0 && (errno == EPROTONOSUPPORT ||
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errno == EPFNOSUPPORT || errno == EAFNOSUPPORT))
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ip6flag = 0;
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else
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close(s);
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break;
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case 'n':
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nfsdcnt = atoi(optarg);
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if (nfsdcnt < 1) {
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warnx("nfsd count %d; reset to %d", nfsdcnt, DEFNFSDCNT);
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nfsdcnt = DEFNFSDCNT;
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}
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break;
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case 'r':
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reregister = 1;
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break;
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case 't':
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tcpflag = 1;
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break;
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case 'u':
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udpflag = 1;
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break;
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default:
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case '?':
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usage();
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};
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}
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argv += optind;
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argc -= optind;
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/*
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* XXX
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* Backward compatibility, trailing number is the count of daemons.
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*/
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if (argc > 1)
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usage();
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if (argc == 1) {
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nfsdcnt = atoi(argv[0]);
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if (nfsdcnt < 1) {
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warnx("nfsd count %d; reset to %d", nfsdcnt, DEFNFSDCNT);
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nfsdcnt = DEFNFSDCNT;
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}
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}
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/*
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* If none of TCP or UDP are specified, default to UDP only.
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*/
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if (tcpflag == 0 && udpflag == 0)
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udpflag = 1;
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if (debug == 0) {
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fprintf(stderr, "non-debug not supported here\n");
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exit(1);
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#ifdef not_the_debug_man
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daemon(0, 0);
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(void)signal(SIGHUP, SIG_IGN);
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(void)signal(SIGINT, SIG_IGN);
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(void)signal(SIGQUIT, SIG_IGN);
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(void)signal(SIGSYS, nonfs);
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#endif
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}
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if (udpflag) {
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memset(&hints, 0, sizeof hints);
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hints.ai_flags = AI_PASSIVE;
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hints.ai_family = PF_INET;
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hints.ai_socktype = SOCK_DGRAM;
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hints.ai_protocol = IPPROTO_UDP;
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ecode = getaddrinfo(NULL, "nfs", &hints, &ai_udp);
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if (ecode != 0) {
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syslog(LOG_ERR, "getaddrinfo udp: %s",
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gai_strerror(ecode));
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exit(1);
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}
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nconf_udp = getnetconfigent("udp");
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if (nconf_udp == NULL)
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err(1, "getnetconfigent udp failed");
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nb_udp.buf = ai_udp->ai_addr;
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nb_udp.len = nb_udp.maxlen = ai_udp->ai_addrlen;
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if (reregister)
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if (!rpcb_set(RPCPROG_NFS, 2, nconf_udp, &nb_udp))
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err(1, "rpcb_set udp failed");
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}
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if (tcpflag) {
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memset(&hints, 0, sizeof hints);
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hints.ai_flags = AI_PASSIVE;
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hints.ai_family = PF_INET;
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hints.ai_socktype = SOCK_STREAM;
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hints.ai_protocol = IPPROTO_TCP;
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ecode = getaddrinfo(NULL, "nfs", &hints, &ai_tcp);
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if (ecode != 0) {
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syslog(LOG_ERR, "getaddrinfo tcp: %s",
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gai_strerror(ecode));
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exit(1);
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}
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nconf_tcp = getnetconfigent("tcp");
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if (nconf_tcp == NULL)
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err(1, "getnetconfigent tcp failed");
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nb_tcp.buf = ai_tcp->ai_addr;
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nb_tcp.len = nb_tcp.maxlen = ai_tcp->ai_addrlen;
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if (reregister)
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if (!rpcb_set(RPCPROG_NFS, 2, nconf_tcp, &nb_tcp))
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err(1, "rpcb_set tcp failed");
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}
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if (udpflag && ip6flag) {
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memset(&hints, 0, sizeof hints);
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hints.ai_flags = AI_PASSIVE;
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hints.ai_family = PF_INET6;
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hints.ai_socktype = SOCK_DGRAM;
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hints.ai_protocol = IPPROTO_UDP;
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ecode = getaddrinfo(NULL, "nfs", &hints, &ai_udp6);
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if (ecode != 0) {
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syslog(LOG_ERR, "getaddrinfo udp: %s",
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gai_strerror(ecode));
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exit(1);
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}
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nconf_udp6 = getnetconfigent("udp6");
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if (nconf_udp6 == NULL)
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err(1, "getnetconfigent udp6 failed");
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nb_udp6.buf = ai_udp6->ai_addr;
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nb_udp6.len = nb_udp6.maxlen = ai_udp6->ai_addrlen;
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if (reregister)
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if (!rpcb_set(RPCPROG_NFS, 2, nconf_udp6, &nb_udp6))
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err(1, "rpcb_set udp6 failed");
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}
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if (tcpflag && ip6flag) {
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memset(&hints, 0, sizeof hints);
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hints.ai_flags = AI_PASSIVE;
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hints.ai_family = PF_INET6;
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hints.ai_socktype = SOCK_STREAM;
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hints.ai_protocol = IPPROTO_TCP;
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ecode = getaddrinfo(NULL, "nfs", &hints, &ai_tcp6);
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if (ecode != 0) {
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syslog(LOG_ERR, "getaddrinfo tcp: %s",
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gai_strerror(ecode));
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exit(1);
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}
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nconf_tcp6 = getnetconfigent("tcp6");
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if (nconf_tcp6 == NULL)
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err(1, "getnetconfigent tcp6 failed");
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nb_tcp6.buf = ai_tcp6->ai_addr;
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nb_tcp6.len = nb_tcp6.maxlen = ai_tcp6->ai_addrlen;
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if (reregister)
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if (!rpcb_set(RPCPROG_NFS, 2, nconf_tcp6, &nb_tcp6))
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err(1, "rpcb_set tcp6 failed");
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}
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openlog("nfsd", LOG_PID, LOG_DAEMON);
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for (i = 0; i < nfsdcnt; i++) {
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pthread_t t;
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pthread_create(&t, NULL, child, NULL);
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}
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/* If we are serving udp, set up the socket. */
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if (udpflag) {
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if ((sock = rump_sys_socket(ai_udp->ai_family, ai_udp->ai_socktype,
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ai_udp->ai_protocol)) < 0) {
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syslog(LOG_ERR, "can't create udp socket");
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exit(1);
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}
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if (bind(sock, ai_udp->ai_addr, ai_udp->ai_addrlen) < 0) {
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syslog(LOG_ERR, "can't bind udp addr");
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exit(1);
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}
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if (!rpcb_set(RPCPROG_NFS, 2, nconf_udp, &nb_udp) ||
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!rpcb_set(RPCPROG_NFS, 3, nconf_udp, &nb_udp)) {
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syslog(LOG_ERR, "can't register with udp portmap");
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exit(1);
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}
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nfsdargs.sock = sock;
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nfsdargs.name = NULL;
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nfsdargs.namelen = 0;
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if (rump_sys_nfssvc(NFSSVC_ADDSOCK, &nfsdargs) < 0) {
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syslog(LOG_ERR, "can't add UDP socket");
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exit(1);
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}
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(void)rump_sys_close(sock);
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}
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if (udpflag &&ip6flag) {
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if ((sock = rump_sys_socket(ai_udp6->ai_family, ai_udp6->ai_socktype,
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ai_udp6->ai_protocol)) < 0) {
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syslog(LOG_ERR, "can't create udp socket");
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exit(1);
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}
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if (rump_sys_setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY,
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&on, sizeof on) < 0) {
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syslog(LOG_ERR, "can't set v6-only binding for udp6 "
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"socket: %m");
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exit(1);
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}
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if (rump_sys_bind(sock, ai_udp6->ai_addr, ai_udp6->ai_addrlen) < 0) {
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syslog(LOG_ERR, "can't bind udp addr");
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exit(1);
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}
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if (!rpcb_set(RPCPROG_NFS, 2, nconf_udp6, &nb_udp6) ||
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!rpcb_set(RPCPROG_NFS, 3, nconf_udp6, &nb_udp6)) {
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syslog(LOG_ERR, "can't register with udp portmap");
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exit(1);
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}
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nfsdargs.sock = sock;
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nfsdargs.name = NULL;
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nfsdargs.namelen = 0;
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if (rump_sys_nfssvc(NFSSVC_ADDSOCK, &nfsdargs) < 0) {
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syslog(LOG_ERR, "can't add UDP6 socket");
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exit(1);
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}
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(void)rump_sys_close(sock);
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}
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/* Now set up the master server socket waiting for tcp connections. */
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on = 1;
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connect_type_cnt = 0;
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if (tcpflag) {
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if ((tcpsock = rump_sys_socket(ai_tcp->ai_family, ai_tcp->ai_socktype,
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ai_tcp->ai_protocol)) < 0) {
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syslog(LOG_ERR, "can't create tcp socket");
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exit(1);
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}
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if (setsockopt(tcpsock,
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SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof(on)) < 0)
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syslog(LOG_ERR, "setsockopt SO_REUSEADDR: %m");
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if (bind(tcpsock, ai_tcp->ai_addr, ai_tcp->ai_addrlen) < 0) {
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syslog(LOG_ERR, "can't bind tcp addr");
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exit(1);
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}
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if (rump_sys_listen(tcpsock, 5) < 0) {
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syslog(LOG_ERR, "listen failed");
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exit(1);
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}
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if (!rpcb_set(RPCPROG_NFS, 2, nconf_tcp, &nb_tcp) ||
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!rpcb_set(RPCPROG_NFS, 3, nconf_tcp, &nb_tcp)) {
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syslog(LOG_ERR, "can't register tcp with rpcbind");
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exit(1);
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}
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set[0].fd = tcpsock;
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set[0].events = POLLIN;
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connect_type_cnt++;
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} else
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set[0].fd = -1;
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if (tcpflag && ip6flag) {
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if ((tcp6sock = socket(ai_tcp6->ai_family, ai_tcp6->ai_socktype,
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ai_tcp6->ai_protocol)) < 0) {
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syslog(LOG_ERR, "can't create tcp socket");
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exit(1);
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}
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if (setsockopt(tcp6sock,
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SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof(on)) < 0)
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syslog(LOG_ERR, "setsockopt SO_REUSEADDR: %m");
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if (setsockopt(tcp6sock, IPPROTO_IPV6, IPV6_V6ONLY,
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&on, sizeof on) < 0) {
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syslog(LOG_ERR, "can't set v6-only binding for tcp6 "
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"socket: %m");
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exit(1);
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}
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if (bind(tcp6sock, ai_tcp6->ai_addr, ai_tcp6->ai_addrlen) < 0) {
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syslog(LOG_ERR, "can't bind tcp6 addr");
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exit(1);
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}
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if (listen(tcp6sock, 5) < 0) {
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|
syslog(LOG_ERR, "listen failed");
|
|
exit(1);
|
|
}
|
|
if (!rpcb_set(RPCPROG_NFS, 2, nconf_tcp6, &nb_tcp6) ||
|
|
!rpcb_set(RPCPROG_NFS, 3, nconf_tcp6, &nb_tcp6)) {
|
|
syslog(LOG_ERR, "can't register tcp6 with rpcbind");
|
|
exit(1);
|
|
}
|
|
set[1].fd = tcp6sock;
|
|
set[1].events = POLLIN;
|
|
connect_type_cnt++;
|
|
} else
|
|
set[1].fd = -1;
|
|
|
|
set[2].fd = -1;
|
|
set[3].fd = -1;
|
|
|
|
if (connect_type_cnt == 0) {
|
|
pause();
|
|
exit(0);
|
|
}
|
|
|
|
/*
|
|
* Loop forever accepting connections and passing the sockets
|
|
* into the kernel for the mounts.
|
|
*/
|
|
for (;;) {
|
|
if (rump_sys_poll(set, 4, INFTIM) < 1) {
|
|
syslog(LOG_ERR, "poll failed: %m");
|
|
exit(1);
|
|
}
|
|
|
|
len = sizeof(inetpeer);
|
|
if ((msgsock = accept(tcpsock,
|
|
(struct sockaddr *)&inetpeer, &len)) < 0) {
|
|
syslog(LOG_ERR, "accept failed: %d", error);
|
|
exit(1);
|
|
}
|
|
memset(inetpeer.sin_zero, 0, sizeof(inetpeer.sin_zero));
|
|
if (setsockopt(msgsock, SOL_SOCKET,
|
|
SO_KEEPALIVE, (char *)&on, sizeof(on)) < 0)
|
|
syslog(LOG_ERR,
|
|
"setsockopt SO_KEEPALIVE: %m");
|
|
nfsdargs.sock = msgsock;
|
|
nfsdargs.name = (caddr_t)&inetpeer;
|
|
nfsdargs.namelen = sizeof(inetpeer);
|
|
rump_sys_nfssvc(NFSSVC_ADDSOCK, &nfsdargs);
|
|
(void)rump_sys_close(msgsock);
|
|
|
|
#ifdef notyet
|
|
if (set[1].revents & POLLIN) {
|
|
len = sizeof(inet6peer);
|
|
if ((msgsock = rump_sys_accept(tcp6sock,
|
|
(struct sockaddr *)&inet6peer, &len, &error)) < 0) {
|
|
syslog(LOG_ERR, "accept failed: %m");
|
|
exit(1);
|
|
}
|
|
if (rump_sys_setsockopt(msgsock, SOL_SOCKET,
|
|
SO_KEEPALIVE, (char *)&on, sizeof(on), &error) < 0)
|
|
syslog(LOG_ERR,
|
|
"setsockopt SO_KEEPALIVE: %m");
|
|
nfsdargs.sock = msgsock;
|
|
nfsdargs.name = (caddr_t)&inet6peer;
|
|
nfsdargs.namelen = sizeof(inet6peer);
|
|
rump_sys_nfssvc(NFSSVC_ADDSOCK, &nfsdargs, &error);
|
|
(void)rump_sys_close(msgsock, &error);
|
|
}
|
|
|
|
if (set[2].revents & POLLIN) {
|
|
len = sizeof(isopeer);
|
|
if ((msgsock = rump_sys_accept(tp4sock,
|
|
(struct sockaddr *)&isopeer, &len, &error)) < 0) {
|
|
syslog(LOG_ERR, "accept failed: %m");
|
|
exit(1);
|
|
}
|
|
if (rump_sys_setsockopt(msgsock, SOL_SOCKET,
|
|
SO_KEEPALIVE, (char *)&on, sizeof(on), &error) < 0)
|
|
syslog(LOG_ERR,
|
|
"setsockopt SO_KEEPALIVE: %m");
|
|
nfsdargs.sock = msgsock;
|
|
nfsdargs.name = (caddr_t)&isopeer;
|
|
nfsdargs.namelen = len;
|
|
rump_sys_nfssvc(NFSSVC_ADDSOCK, &nfsdargs, &error);
|
|
(void)rump_sys_close(msgsock, &error);
|
|
}
|
|
|
|
if (set[3].revents & POLLIN) {
|
|
len = sizeof(inetpeer);
|
|
if ((msgsock = rump_sys_accept(tpipsock,
|
|
(struct sockaddr *)&inetpeer, &len)) < 0) {
|
|
syslog(LOG_ERR, "accept failed: %m");
|
|
exit(1);
|
|
}
|
|
if (setsockopt(msgsock, SOL_SOCKET,
|
|
SO_KEEPALIVE, (char *)&on, sizeof(on)) < 0)
|
|
syslog(LOG_ERR, "setsockopt SO_KEEPALIVE: %m");
|
|
nfsdargs.sock = msgsock;
|
|
nfsdargs.name = (caddr_t)&inetpeer;
|
|
nfsdargs.namelen = len;
|
|
rump_sys_nfssvc(NFSSVC_ADDSOCK, &nfsdargs);
|
|
(void)rump_sys_close(msgsock);
|
|
}
|
|
#endif /* notyet */
|
|
}
|
|
}
|
|
|
|
void
|
|
usage()
|
|
{
|
|
(void)fprintf(stderr, "usage: nfsd %s\n", USAGE);
|
|
exit(1);
|
|
}
|
|
|
|
void
|
|
nonfs(signo)
|
|
int signo;
|
|
{
|
|
syslog(LOG_ERR, "missing system call: NFS not available.");
|
|
}
|