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