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      1  1.11     kamil /*	$NetBSD: rumpnfsd.c,v 1.11 2020/06/17 00:16:21 kamil Exp $	*/
      2   1.1     pooka 
      3   1.1     pooka /*-
      4   1.1     pooka  * Copyright (c) 2010 The NetBSD Foundation, Inc.
      5   1.1     pooka  *
      6   1.1     pooka  * Redistribution and use in source and binary forms, with or without
      7   1.1     pooka  * modification, are permitted provided that the following conditions
      8   1.1     pooka  * are met:
      9   1.1     pooka  * 1. Redistributions of source code must retain the above copyright
     10   1.1     pooka  *    notice, this list of conditions and the following disclaimer.
     11   1.1     pooka  * 2. Redistributions in binary form must reproduce the above copyright
     12   1.1     pooka  *    notice, this list of conditions and the following disclaimer in the
     13   1.1     pooka  *    documentation and/or other materials provided with the distribution.
     14   1.1     pooka  *
     15   1.1     pooka  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
     16   1.1     pooka  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     17   1.1     pooka  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     18   1.1     pooka  * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     19   1.1     pooka  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     20   1.1     pooka  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     21   1.1     pooka  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     22   1.1     pooka  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     23   1.1     pooka  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     24   1.1     pooka  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     25   1.1     pooka  * SUCH DAMAGE.
     26   1.1     pooka  */
     27   1.1     pooka 
     28   1.1     pooka #include <sys/types.h>
     29   1.1     pooka 
     30   1.1     pooka #include <dlfcn.h>
     31   1.1     pooka #include <err.h>
     32   1.1     pooka #include <errno.h>
     33   1.1     pooka #include <pthread.h>
     34   1.1     pooka #include <semaphore.h>
     35   1.1     pooka #include <stdio.h>
     36   1.1     pooka #include <stdlib.h>
     37   1.1     pooka #include <string.h>
     38   1.1     pooka #include <syslog.h>
     39   1.1     pooka #include <unistd.h>
     40   1.9  christos #include <rpc/rpc.h>
     41   1.1     pooka 
     42   1.1     pooka void *mountd_main(void *);
     43   1.1     pooka void *rpcbind_main(void *);
     44   1.1     pooka int nfsd_main(int, char **);
     45   1.1     pooka 
     46   1.1     pooka sem_t gensem;
     47   1.1     pooka 
     48  1.10     joerg #define RUMPNFSD_NOATF
     49   1.1     pooka #include "../../../net/config/netconfig.c"
     50   1.1     pooka #include "../../common/h_fsmacros.h"
     51   1.1     pooka #include "svc_fdset.h"
     52   1.1     pooka 
     53   1.1     pooka #include <rump/rump.h>
     54  1.11     kamil #include <rump/rump_syscallshotgun.h>
     55   1.1     pooka #include <rump/rump_syscalls.h>
     56   1.1     pooka 
     57   1.1     pooka int
     58   1.1     pooka main(int argc, char *argv[])
     59   1.1     pooka {
     60   1.6     pooka 	const char *ethername, *ethername_ro;
     61   1.6     pooka 	const char *serveraddr, *serveraddr_ro;
     62   1.1     pooka 	const char *netmask;
     63   1.1     pooka 	const char *exportpath;
     64   1.1     pooka 	const char *imagename;
     65   1.6     pooka 	char ifname[IFNAMSIZ], ifname_ro[IFNAMSIZ];
     66   1.1     pooka 	void *fsarg;
     67   1.1     pooka 	pthread_t t;
     68   1.1     pooka 	int rv;
     69   1.1     pooka 
     70   1.1     pooka 	/* use defaults? */
     71   1.1     pooka 	if (argc == 1) {
     72   1.1     pooka 		ethername = "etherbus";
     73   1.6     pooka 		ethername_ro = "etherbus_ro";
     74   1.1     pooka 		serveraddr = "10.3.2.1";
     75   1.6     pooka 		serveraddr_ro = "10.4.2.1";
     76   1.1     pooka 		netmask = "255.255.255.0";
     77   1.1     pooka 		exportpath = "/myexport";
     78   1.1     pooka 		imagename = "ffs.img";
     79   1.1     pooka 	} else {
     80   1.1     pooka 		ethername = argv[1];
     81   1.6     pooka 		ethername_ro = argv[2];
     82   1.6     pooka 		serveraddr = argv[3];
     83   1.6     pooka 		serveraddr_ro = argv[4];
     84   1.6     pooka 		netmask = argv[5];
     85   1.6     pooka 		exportpath = argv[6];
     86   1.6     pooka 		imagename = argv[7];
     87   1.1     pooka 	}
     88   1.1     pooka 
     89   1.1     pooka 	rump_init();
     90   1.9  christos 	svc_fdset_init(SVC_FDSET_MT);
     91   1.1     pooka 
     92   1.1     pooka 	rv = rump_pub_etfs_register("/etc/exports", "./exports", RUMP_ETFS_REG);
     93   1.1     pooka 	if (rv) {
     94   1.1     pooka 		errx(1, "register /etc/exports: %s", strerror(rv));
     95   1.1     pooka 	}
     96   1.1     pooka 
     97   1.1     pooka 	/* mini-mtree for mountd */
     98   1.8  christos 	static const char *const dirs[] = { "/var", "/var/run", "/var/db" };
     99   1.8  christos 	for (size_t i = 0; i < __arraycount(dirs); i++)
    100   1.8  christos 		if (rump_sys_mkdir(dirs[i], 0777) == -1)
    101   1.8  christos 			err(1, "can't mkdir `%s'", dirs[i]);
    102   1.1     pooka 
    103   1.3     pooka 	if (ffs_fstest_newfs(NULL, &fsarg,
    104   1.5     pooka 	    imagename, FSTEST_IMGSIZE, NULL) != 0)
    105   1.5     pooka 		err(1, "newfs failed");
    106   1.3     pooka 	if (ffs_fstest_mount(NULL, fsarg, exportpath, 0) != 0)
    107   1.5     pooka 		err(1, "mount failed");
    108   1.1     pooka 
    109   1.1     pooka #if 0
    110   1.1     pooka 	/*
    111   1.1     pooka 	 * Serve from host instead of dedicated mount?
    112   1.1     pooka 	 * THIS IS MORE EVIL THAN MURRAY THE DEMONIC TALKING SKULL!
    113   1.1     pooka 	 */
    114   1.1     pooka 
    115   1.1     pooka 	if (ukfs_modload("/usr/lib/librumpfs_syspuffs.so") < 1)
    116   1.1     pooka 		errx(1, "modload");
    117   1.1     pooka 
    118   1.1     pooka 	mount_syspuffs_parseargs(__arraycount(pnullarg), pnullarg,
    119   1.1     pooka 	    &args, &mntflags, canon_dev, canon_dir);
    120   1.1     pooka 	if ((ukfs = ukfs_mount(MOUNT_PUFFS, "/", UKFS_DEFAULTMP, MNT_RDONLY,
    121   1.1     pooka 	    &args, sizeof(args))) == NULL)
    122   1.1     pooka 		err(1, "mount");
    123   1.1     pooka 
    124   1.1     pooka 	if (ukfs_modload("/usr/lib/librumpfs_nfsserver.so") < 1)
    125   1.1     pooka 		errx(1, "modload");
    126   1.1     pooka #endif
    127   1.1     pooka 
    128   1.1     pooka 	if (sem_init(&gensem, 1, 0) == -1)
    129   1.1     pooka 		err(1, "gensem init");
    130   1.1     pooka 
    131   1.1     pooka 	/* create interface */
    132   1.1     pooka 	netcfg_rump_makeshmif(ethername, ifname);
    133   1.1     pooka 	netcfg_rump_if(ifname, serveraddr, netmask);
    134   1.1     pooka 
    135   1.6     pooka 	netcfg_rump_makeshmif(ethername_ro, ifname_ro);
    136   1.6     pooka 	netcfg_rump_if(ifname_ro, serveraddr_ro, netmask);
    137   1.6     pooka 
    138   1.1     pooka 	/*
    139   1.1     pooka 	 * No syslogging, thanks.
    140   1.1     pooka 	 * XXX: "0" does not modify the mask, so pick something
    141   1.1     pooka 	 * which is unlikely to cause any logging
    142   1.1     pooka 	 */
    143   1.1     pooka 	setlogmask(0x10000000);
    144   1.1     pooka 
    145   1.1     pooka 	if (pthread_create(&t, NULL, rpcbind_main, NULL) == -1)
    146   1.1     pooka 		err(1, "rpcbind");
    147   1.1     pooka 	sem_wait(&gensem);
    148   1.1     pooka 
    149   1.1     pooka 	if (pthread_create(&t, NULL, mountd_main, NULL) == -1)
    150   1.1     pooka 		err(1, "mountd");
    151   1.1     pooka 	sem_wait(&gensem);
    152   1.1     pooka 
    153   1.1     pooka 	rv = 0;
    154   1.1     pooka 	/* signal the other process we're almost done */
    155   1.1     pooka 	if (write(3, &rv, 4) != 4)
    156   1.1     pooka 		errx(1, "magic write failed");
    157   1.1     pooka 
    158   1.1     pooka 	{
    159   1.1     pooka 	char *nfsargv[] = { __UNCONST("nfsd"), NULL };
    160   1.1     pooka 	nfsd_main(1, nfsargv);
    161   1.1     pooka 	}
    162   1.1     pooka 	/*NOTREACHED*/
    163   1.1     pooka 
    164   1.1     pooka 	return 0;
    165   1.1     pooka }
    166