mountd.c revision 74792
11558Srgrimes/* 21558Srgrimes * Copyright (c) 1989, 1993 31558Srgrimes * The Regents of the University of California. All rights reserved. 41558Srgrimes * 51558Srgrimes * This code is derived from software contributed to Berkeley by 61558Srgrimes * Herb Hasler and Rick Macklem at The University of Guelph. 71558Srgrimes * 81558Srgrimes * Redistribution and use in source and binary forms, with or without 91558Srgrimes * modification, are permitted provided that the following conditions 101558Srgrimes * are met: 111558Srgrimes * 1. Redistributions of source code must retain the above copyright 121558Srgrimes * notice, this list of conditions and the following disclaimer. 131558Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 141558Srgrimes * notice, this list of conditions and the following disclaimer in the 151558Srgrimes * documentation and/or other materials provided with the distribution. 161558Srgrimes * 3. All advertising materials mentioning features or use of this software 171558Srgrimes * must display the following acknowledgement: 181558Srgrimes * This product includes software developed by the University of 191558Srgrimes * California, Berkeley and its contributors. 201558Srgrimes * 4. Neither the name of the University nor the names of its contributors 211558Srgrimes * may be used to endorse or promote products derived from this software 221558Srgrimes * without specific prior written permission. 231558Srgrimes * 241558Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 251558Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 261558Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 271558Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 281558Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 291558Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 301558Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 311558Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 321558Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 331558Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 341558Srgrimes * SUCH DAMAGE. 351558Srgrimes */ 361558Srgrimes 371558Srgrimes#ifndef lint 3837663Scharnierstatic const char copyright[] = 391558Srgrimes"@(#) Copyright (c) 1989, 1993\n\ 401558Srgrimes The Regents of the University of California. All rights reserved.\n"; 412999Swollman#endif /*not lint*/ 421558Srgrimes 431558Srgrimes#ifndef lint 4437663Scharnier#if 0 4537663Scharnierstatic char sccsid[] = "@(#)mountd.c 8.15 (Berkeley) 5/1/95"; 4637663Scharnier#endif 472999Swollmanstatic const char rcsid[] = 4850476Speter "$FreeBSD: head/usr.sbin/mountd/mountd.c 74792 2001-03-25 19:59:07Z alfred $"; 492999Swollman#endif /*not lint*/ 501558Srgrimes 511558Srgrimes#include <sys/param.h> 521558Srgrimes#include <sys/mount.h> 5374462Salfred#include <sys/fcntl.h> 541558Srgrimes#include <sys/stat.h> 551558Srgrimes#include <sys/syslog.h> 5624330Sguido#include <sys/sysctl.h> 571558Srgrimes 581558Srgrimes#include <rpc/rpc.h> 591558Srgrimes#include <rpc/pmap_clnt.h> 6074462Salfred#include <rpc/pmap_prot.h> 6174462Salfred#include <rpcsvc/mount.h> 621558Srgrimes#include <nfs/rpcv2.h> 639336Sdfr#include <nfs/nfsproto.h> 6424330Sguido#include <nfs/nfs.h> 6523681Speter#include <ufs/ufs/ufsmount.h> 6623681Speter#include <msdosfs/msdosfsmount.h> 6754093Ssemenu#include <ntfs/ntfsmount.h> 6823681Speter#include <isofs/cd9660/cd9660_mount.h> /* XXX need isofs in include */ 691558Srgrimes 701558Srgrimes#include <arpa/inet.h> 711558Srgrimes 721558Srgrimes#include <ctype.h> 7337663Scharnier#include <err.h> 741558Srgrimes#include <errno.h> 751558Srgrimes#include <grp.h> 761558Srgrimes#include <netdb.h> 771558Srgrimes#include <pwd.h> 781558Srgrimes#include <signal.h> 791558Srgrimes#include <stdio.h> 801558Srgrimes#include <stdlib.h> 811558Srgrimes#include <string.h> 821558Srgrimes#include <unistd.h> 831558Srgrimes#include "pathnames.h" 841558Srgrimes 851558Srgrimes#ifdef DEBUG 861558Srgrimes#include <stdarg.h> 871558Srgrimes#endif 881558Srgrimes 8974462Salfred#ifndef MOUNTDLOCK 9074462Salfred#define MOUNTDLOCK "/var/run/mountd.lock" 9174462Salfred#endif 9274462Salfred 931558Srgrimes/* 941558Srgrimes * Structures for keeping the mount list and export list 951558Srgrimes */ 961558Srgrimesstruct mountlist { 971558Srgrimes struct mountlist *ml_next; 981558Srgrimes char ml_host[RPCMNT_NAMELEN+1]; 991558Srgrimes char ml_dirp[RPCMNT_PATHLEN+1]; 1001558Srgrimes}; 1011558Srgrimes 1021558Srgrimesstruct dirlist { 1031558Srgrimes struct dirlist *dp_left; 1041558Srgrimes struct dirlist *dp_right; 1051558Srgrimes int dp_flag; 1061558Srgrimes struct hostlist *dp_hosts; /* List of hosts this dir exported to */ 1071558Srgrimes char dp_dirp[1]; /* Actually malloc'd to size of dir */ 1081558Srgrimes}; 1091558Srgrimes/* dp_flag bits */ 1101558Srgrimes#define DP_DEFSET 0x1 1119336Sdfr#define DP_HOSTSET 0x2 1129336Sdfr#define DP_KERB 0x4 1131558Srgrimes 1141558Srgrimesstruct exportlist { 1151558Srgrimes struct exportlist *ex_next; 1161558Srgrimes struct dirlist *ex_dirl; 1171558Srgrimes struct dirlist *ex_defdir; 1181558Srgrimes int ex_flag; 1191558Srgrimes fsid_t ex_fs; 1201558Srgrimes char *ex_fsdir; 12127447Sdfr char *ex_indexfile; 1221558Srgrimes}; 1231558Srgrimes/* ex_flag bits */ 1241558Srgrimes#define EX_LINKED 0x1 1251558Srgrimes 1261558Srgrimesstruct netmsk { 12774462Salfred struct sockaddr_storage nt_net; 12842144Sdfr u_int32_t nt_mask; 12942144Sdfr char *nt_name; 1301558Srgrimes}; 1311558Srgrimes 1321558Srgrimesunion grouptypes { 13374462Salfred struct addrinfo *gt_addrinfo; 1341558Srgrimes struct netmsk gt_net; 1351558Srgrimes}; 1361558Srgrimes 1371558Srgrimesstruct grouplist { 1381558Srgrimes int gr_type; 1391558Srgrimes union grouptypes gr_ptr; 1401558Srgrimes struct grouplist *gr_next; 1411558Srgrimes}; 1421558Srgrimes/* Group types */ 1431558Srgrimes#define GT_NULL 0x0 1441558Srgrimes#define GT_HOST 0x1 1451558Srgrimes#define GT_NET 0x2 1467401Swpaul#define GT_IGNORE 0x5 1471558Srgrimes 1481558Srgrimesstruct hostlist { 1499336Sdfr int ht_flag; /* Uses DP_xx bits */ 1501558Srgrimes struct grouplist *ht_grp; 1511558Srgrimes struct hostlist *ht_next; 1521558Srgrimes}; 1531558Srgrimes 1549336Sdfrstruct fhreturn { 1559336Sdfr int fhr_flag; 1569336Sdfr int fhr_vers; 1579336Sdfr nfsfh_t fhr_fh; 1589336Sdfr}; 1599336Sdfr 1601558Srgrimes/* Global defs */ 1611558Srgrimeschar *add_expdir __P((struct dirlist **, char *, int)); 1621558Srgrimesvoid add_dlist __P((struct dirlist **, struct dirlist *, 1639336Sdfr struct grouplist *, int)); 1641558Srgrimesvoid add_mlist __P((char *, char *)); 1651558Srgrimesint check_dirpath __P((char *)); 1661558Srgrimesint check_options __P((struct dirlist *)); 16774462Salfredint chk_host __P((struct dirlist *, struct sockaddr *, int *, int *)); 16874462Salfredint del_mlist __P((char *, char *, struct sockaddr *)); 1691558Srgrimesstruct dirlist *dirp_search __P((struct dirlist *, char *)); 1701558Srgrimesint do_mount __P((struct exportlist *, struct grouplist *, int, 17172650Sgreen struct xucred *, char *, int, struct statfs *)); 1721558Srgrimesint do_opt __P((char **, char **, struct exportlist *, struct grouplist *, 17372650Sgreen int *, int *, struct xucred *)); 1741558Srgrimesstruct exportlist *ex_search __P((fsid_t *)); 1751558Srgrimesstruct exportlist *get_exp __P((void)); 1761558Srgrimesvoid free_dir __P((struct dirlist *)); 1771558Srgrimesvoid free_exp __P((struct exportlist *)); 1781558Srgrimesvoid free_grp __P((struct grouplist *)); 1791558Srgrimesvoid free_host __P((struct hostlist *)); 1801558Srgrimesvoid get_exportlist __P((void)); 1817401Swpaulint get_host __P((char *, struct grouplist *, struct grouplist *)); 1829336Sdfrint get_num __P((char *)); 1831558Srgrimesstruct hostlist *get_ht __P((void)); 1841558Srgrimesint get_line __P((void)); 1851558Srgrimesvoid get_mountlist __P((void)); 1861558Srgrimesint get_net __P((char *, struct netmsk *, int)); 1871558Srgrimesvoid getexp_err __P((struct exportlist *, struct grouplist *)); 1881558Srgrimesstruct grouplist *get_grp __P((void)); 1891558Srgrimesvoid hang_dirp __P((struct dirlist *, struct grouplist *, 1901558Srgrimes struct exportlist *, int)); 1911558Srgrimesvoid mntsrv __P((struct svc_req *, SVCXPRT *)); 1921558Srgrimesvoid nextfield __P((char **, char **)); 1931558Srgrimesvoid out_of_mem __P((void)); 19472650Sgreenvoid parsecred __P((char *, struct xucred *)); 1951558Srgrimesint put_exlist __P((struct dirlist *, XDR *, struct dirlist *, int *)); 19674462Salfredint scan_tree __P((struct dirlist *, struct sockaddr *)); 19737663Scharnierstatic void usage __P((void)); 1981558Srgrimesint xdr_dir __P((XDR *, char *)); 1991558Srgrimesint xdr_explist __P((XDR *, caddr_t)); 2009336Sdfrint xdr_fhs __P((XDR *, caddr_t)); 2011558Srgrimesint xdr_mlist __P((XDR *, caddr_t)); 20274462Salfredvoid terminate __P((int)); 2031558Srgrimes 2041558Srgrimes/* C library */ 2051558Srgrimesint getnetgrent(); 2061558Srgrimesvoid endnetgrent(); 2071558Srgrimesvoid setnetgrent(); 2081558Srgrimes 20974462Salfredstatic int bitcmp __P((void *, void *, int)); 21074462Salfredstatic int netpartcmp __P((struct sockaddr *, struct sockaddr *, int)); 21174462Salfredstatic int sacmp __P((struct sockaddr *, struct sockaddr *)); 21274462Salfredstatic int allones __P((struct sockaddr_storage *, int)); 21374462Salfredstatic int countones __P((struct sockaddr *)); 21474462Salfred 2151558Srgrimesstruct exportlist *exphead; 2161558Srgrimesstruct mountlist *mlhead; 2171558Srgrimesstruct grouplist *grphead; 2181558Srgrimeschar exname[MAXPATHLEN]; 21972650Sgreenstruct xucred def_anon = { 22072650Sgreen 0, 22172650Sgreen (uid_t)-2, 2221558Srgrimes 1, 22372650Sgreen { (gid_t)-2 }, 22472650Sgreen NULL 2251558Srgrimes}; 22625087Sdfrint force_v2 = 0; 2279336Sdfrint resvport_only = 1; 2289336Sdfrint dir_only = 1; 22931705Sguidoint log = 0; 23074462Salfred 2311558Srgrimesint opt_flags; 23274462Salfredstatic int have_v6 = 1; 23374462Salfred#ifdef NI_WITHSCOPEID 23474462Salfredstatic const int ninumeric = NI_NUMERICHOST | NI_WITHSCOPEID; 23574462Salfred#else 23674462Salfredstatic const int ninumeric = NI_NUMERICHOST; 23774462Salfred#endif 23874462Salfred 23974462Salfredint mountdlockfd; 2401558Srgrimes/* Bits for above */ 2411558Srgrimes#define OP_MAPROOT 0x01 2421558Srgrimes#define OP_MAPALL 0x02 2431558Srgrimes#define OP_KERB 0x04 2441558Srgrimes#define OP_MASK 0x08 2451558Srgrimes#define OP_NET 0x10 2461558Srgrimes#define OP_ALLDIRS 0x40 24774462Salfred#define OP_MASKLEN 0x200 2481558Srgrimes 2491558Srgrimes#ifdef DEBUG 2501558Srgrimesint debug = 1; 2511558Srgrimesvoid SYSLOG __P((int, const char *, ...)); 2521558Srgrimes#define syslog SYSLOG 2531558Srgrimes#else 2541558Srgrimesint debug = 0; 2551558Srgrimes#endif 2561558Srgrimes 2571558Srgrimes/* 2581558Srgrimes * Mountd server for NFS mount protocol as described in: 2591558Srgrimes * NFS: Network File System Protocol Specification, RFC1094, Appendix A 2601558Srgrimes * The optional arguments are the exports file name 2611558Srgrimes * default: _PATH_EXPORTS 2621558Srgrimes * and "-n" to allow nonroot mount. 2631558Srgrimes */ 2641558Srgrimesint 2651558Srgrimesmain(argc, argv) 2661558Srgrimes int argc; 2671558Srgrimes char **argv; 2681558Srgrimes{ 26974462Salfred SVCXPRT *udptransp, *tcptransp, *udp6transp, *tcp6transp; 27074462Salfred struct netconfig *udpconf, *tcpconf, *udp6conf, *tcp6conf; 27174462Salfred int udpsock, tcpsock, udp6sock, tcp6sock; 27274462Salfred int xcreated = 0, s; 27374462Salfred int one = 1; 27432656Sbde int c, error, mib[3]; 27523681Speter struct vfsconf vfc; 2761558Srgrimes 27774462Salfred /* Check that another mountd isn't already running. */ 27874462Salfred 27974462Salfred if ((mountdlockfd = (open(MOUNTDLOCK, O_RDONLY|O_CREAT, 0444))) == -1) 28074462Salfred err(1, "%s", MOUNTDLOCK); 28174462Salfred 28274462Salfred if(flock(mountdlockfd, LOCK_EX|LOCK_NB) == -1 && errno == EWOULDBLOCK) 28374462Salfred errx(1, "another rpc.mountd is already running. Aborting"); 28474462Salfred s = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP); 28574462Salfred if (s < 0) 28674462Salfred have_v6 = 0; 28774462Salfred else 28874462Salfred close(s); 28923681Speter error = getvfsbyname("nfs", &vfc); 29023681Speter if (error && vfsisloadable("nfs")) { 2912999Swollman if(vfsload("nfs")) 2922999Swollman err(1, "vfsload(nfs)"); 2932999Swollman endvfsent(); /* flush cache */ 29423681Speter error = getvfsbyname("nfs", &vfc); 2952999Swollman } 29623681Speter if (error) 2972999Swollman errx(1, "NFS support is not available in the running kernel"); 2982999Swollman 29931665Sguido while ((c = getopt(argc, argv, "2dlnr")) != -1) 3001558Srgrimes switch (c) { 30125087Sdfr case '2': 30225087Sdfr force_v2 = 1; 30325087Sdfr break; 3049336Sdfr case 'n': 3059336Sdfr resvport_only = 0; 3069336Sdfr break; 3079336Sdfr case 'r': 3089336Sdfr dir_only = 0; 3099336Sdfr break; 3108688Sphk case 'd': 3118688Sphk debug = debug ? 0 : 1; 3128688Sphk break; 31331656Sguido case 'l': 31431656Sguido log = 1; 31531656Sguido break; 3161558Srgrimes default: 31737663Scharnier usage(); 3181558Srgrimes }; 3191558Srgrimes argc -= optind; 3201558Srgrimes argv += optind; 3211558Srgrimes grphead = (struct grouplist *)NULL; 3221558Srgrimes exphead = (struct exportlist *)NULL; 3231558Srgrimes mlhead = (struct mountlist *)NULL; 3241558Srgrimes if (argc == 1) { 3251558Srgrimes strncpy(exname, *argv, MAXPATHLEN-1); 3261558Srgrimes exname[MAXPATHLEN-1] = '\0'; 3271558Srgrimes } else 3281558Srgrimes strcpy(exname, _PATH_EXPORTS); 3291558Srgrimes openlog("mountd", LOG_PID, LOG_DAEMON); 3301558Srgrimes if (debug) 33137663Scharnier warnx("getting export list"); 3321558Srgrimes get_exportlist(); 3331558Srgrimes if (debug) 33437663Scharnier warnx("getting mount list"); 3351558Srgrimes get_mountlist(); 3361558Srgrimes if (debug) 33737663Scharnier warnx("here we go"); 3381558Srgrimes if (debug == 0) { 3391558Srgrimes daemon(0, 0); 3401558Srgrimes signal(SIGINT, SIG_IGN); 3411558Srgrimes signal(SIGQUIT, SIG_IGN); 3421558Srgrimes } 3431558Srgrimes signal(SIGHUP, (void (*) __P((int))) get_exportlist); 34474462Salfred signal(SIGTERM, terminate); 3451558Srgrimes { FILE *pidfile = fopen(_PATH_MOUNTDPID, "w"); 3461558Srgrimes if (pidfile != NULL) { 3471558Srgrimes fprintf(pidfile, "%d\n", getpid()); 3481558Srgrimes fclose(pidfile); 3491558Srgrimes } 3501558Srgrimes } 35174462Salfred rpcb_unset(RPCPROG_MNT, RPCMNT_VER1, NULL); 35274462Salfred rpcb_unset(RPCPROG_MNT, RPCMNT_VER3, NULL); 35374462Salfred udpsock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); 35474462Salfred tcpsock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); 35574791Salfred udpconf = getnetconfigent("udp"); 35674791Salfred tcpconf = getnetconfigent("tcp"); 35774791Salfred if (!have_v6) 35874791Salfred goto skip_v6; 35974462Salfred udp6sock = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP); 36074462Salfred tcp6sock = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP); 36174462Salfred /* 36274462Salfred * We're doing host-based access checks here, so don't allow 36374462Salfred * v4-in-v6 to confuse things. The kernel will disable it 36474462Salfred * by default on NFS sockets too. 36574462Salfred */ 36674462Salfred if (udp6sock != -1 && setsockopt(udp6sock, IPPROTO_IPV6, 36774462Salfred IPV6_BINDV6ONLY, &one, sizeof one) < 0){ 36874462Salfred syslog(LOG_ERR, "can't disable v4-in-v6 on UDP socket"); 36974462Salfred exit(1); 37074462Salfred } 37174462Salfred if (tcp6sock != -1 && setsockopt(tcp6sock, IPPROTO_IPV6, 37274462Salfred IPV6_BINDV6ONLY, &one, sizeof one) < 0){ 37374462Salfred syslog(LOG_ERR, "can't disable v4-in-v6 on UDP socket"); 37474462Salfred exit(1); 37574462Salfred } 37674462Salfred udp6conf = getnetconfigent("udp6"); 37774462Salfred tcp6conf = getnetconfigent("tcp6"); 37874791Salfred 37974791Salfredskip_v6: 38024759Sguido if (!resvport_only) { 38124759Sguido mib[0] = CTL_VFS; 38232656Sbde mib[1] = vfc.vfc_typenum; 38324759Sguido mib[2] = NFS_NFSPRIVPORT; 38424759Sguido if (sysctl(mib, 3, NULL, NULL, &resvport_only, 38524759Sguido sizeof(resvport_only)) != 0 && errno != ENOENT) { 38624759Sguido syslog(LOG_ERR, "sysctl: %m"); 38724759Sguido exit(1); 38824759Sguido } 38924330Sguido } 3909202Srgrimes if ((udptransp = svcudp_create(RPC_ANYSOCK)) == NULL || 3919202Srgrimes (tcptransp = svctcp_create(RPC_ANYSOCK, 0, 0)) == NULL) { 39237663Scharnier syslog(LOG_ERR, "can't create socket"); 3931558Srgrimes exit(1); 3941558Srgrimes } 39574462Salfred if (udpsock != -1 && udpconf != NULL) { 39674462Salfred bindresvport(udpsock, NULL); 39774462Salfred udptransp = svc_dg_create(udpsock, 0, 0); 39874462Salfred if (udptransp != NULL) { 39974462Salfred if (!svc_reg(udptransp, RPCPROG_MNT, RPCMNT_VER1, 40074462Salfred mntsrv, udpconf)) 40174462Salfred syslog(LOG_WARNING, "can't register UDP RPCMNT_VER1 service"); 40274462Salfred else 40374462Salfred xcreated++; 40474462Salfred if (!force_v2) { 40574462Salfred if (!svc_reg(udptransp, RPCPROG_MNT, RPCMNT_VER3, 40674462Salfred mntsrv, udpconf)) 40774462Salfred syslog(LOG_WARNING, "can't register UDP RPCMNT_VER3 service"); 40874462Salfred else 40974462Salfred xcreated++; 41074462Salfred } 41174462Salfred } else 41274462Salfred syslog(LOG_WARNING, "can't create UDP services"); 41374462Salfred 41474462Salfred } 41574462Salfred if (tcpsock != -1 && tcpconf != NULL) { 41674462Salfred bindresvport(tcpsock, NULL); 41774462Salfred listen(tcpsock, SOMAXCONN); 41874462Salfred tcptransp = svc_vc_create(tcpsock, 0, 0); 41974462Salfred if (tcptransp != NULL) { 42074462Salfred if (!svc_reg(tcptransp, RPCPROG_MNT, RPCMNT_VER1, 42174462Salfred mntsrv, tcpconf)) 42274462Salfred syslog(LOG_WARNING, "can't register TCP RPCMNT_VER1 service"); 42374462Salfred else 42474462Salfred xcreated++; 42574462Salfred if (!force_v2) { 42674462Salfred if (!svc_reg(tcptransp, RPCPROG_MNT, RPCMNT_VER3, 42774462Salfred mntsrv, tcpconf)) 42874462Salfred syslog(LOG_WARNING, "can't register TCP RPCMNT_VER3 service"); 42974462Salfred else 43074462Salfred xcreated++; 43174462Salfred } 43274462Salfred } else 43374462Salfred syslog(LOG_WARNING, "can't create TCP service"); 43474462Salfred 43574462Salfred } 43674791Salfred if (have_v6 && udp6sock != -1 && udp6conf != NULL) { 43774462Salfred bindresvport(udp6sock, NULL); 43874462Salfred udp6transp = svc_dg_create(udp6sock, 0, 0); 43974462Salfred if (udp6transp != NULL) { 44074462Salfred if (!svc_reg(udp6transp, RPCPROG_MNT, RPCMNT_VER1, 44174462Salfred mntsrv, udp6conf)) 44274462Salfred syslog(LOG_WARNING, "can't register UDP6 RPCMNT_VER1 service"); 44374462Salfred else 44474462Salfred xcreated++; 44574462Salfred if (!force_v2) { 44674462Salfred if (!svc_reg(udp6transp, RPCPROG_MNT, RPCMNT_VER3, 44774462Salfred mntsrv, udp6conf)) 44874462Salfred syslog(LOG_WARNING, "can't register UDP6 RPCMNT_VER3 service"); 44974462Salfred else 45074462Salfred xcreated++; 45174462Salfred } 45274462Salfred } else 45374462Salfred syslog(LOG_WARNING, "can't create UDP6 service"); 45474462Salfred 45574462Salfred } 45674791Salfred if (have_v6 && tcp6sock != -1 && tcp6conf != NULL) { 45774462Salfred bindresvport(tcp6sock, NULL); 45874462Salfred listen(tcp6sock, SOMAXCONN); 45974462Salfred tcp6transp = svc_vc_create(tcp6sock, 0, 0); 46074462Salfred if (tcp6transp != NULL) { 46174462Salfred if (!svc_reg(tcp6transp, RPCPROG_MNT, RPCMNT_VER1, 46274462Salfred mntsrv, tcp6conf)) 46374462Salfred syslog(LOG_WARNING, "can't register TCP6 RPCMNT_VER1 service"); 46474462Salfred else 46574462Salfred xcreated++; 46674462Salfred if (!force_v2) { 46774462Salfred if (!svc_reg(tcp6transp, RPCPROG_MNT, RPCMNT_VER3, 46874462Salfred mntsrv, tcp6conf)) 46974462Salfred syslog(LOG_WARNING, "can't register TCP6 RPCMNT_VER3 service"); 47074462Salfred else 47174462Salfred xcreated++; 47274462Salfred } 47374462Salfred } else 47474462Salfred syslog(LOG_WARNING, "can't create TCP6 service"); 47574462Salfred 47674462Salfred } 47774462Salfred if (xcreated == 0) { 47874462Salfred syslog(LOG_ERR, "could not create any services"); 4791558Srgrimes exit(1); 4801558Srgrimes } 4811558Srgrimes svc_run(); 48237663Scharnier syslog(LOG_ERR, "mountd died"); 4831558Srgrimes exit(1); 4841558Srgrimes} 4851558Srgrimes 48637663Scharnierstatic void 48737663Scharnierusage() 48837663Scharnier{ 48937663Scharnier fprintf(stderr, 49037663Scharnier "usage: mountd [-2] [-d] [-l] [-n] [-r] [export_file]\n"); 49137663Scharnier exit(1); 49237663Scharnier} 49337663Scharnier 4941558Srgrimes/* 4951558Srgrimes * The mount rpc service 4961558Srgrimes */ 4971558Srgrimesvoid 4981558Srgrimesmntsrv(rqstp, transp) 4991558Srgrimes struct svc_req *rqstp; 5001558Srgrimes SVCXPRT *transp; 5011558Srgrimes{ 5021558Srgrimes struct exportlist *ep; 5031558Srgrimes struct dirlist *dp; 5049336Sdfr struct fhreturn fhr; 5051558Srgrimes struct stat stb; 5061558Srgrimes struct statfs fsb; 50774462Salfred struct addrinfo *ai; 50874462Salfred char host[NI_MAXHOST], numerichost[NI_MAXHOST]; 50974462Salfred int lookup_failed = 1; 51074462Salfred struct sockaddr *saddr; 5119336Sdfr u_short sport; 51223681Speter char rpcpath[RPCMNT_PATHLEN + 1], dirpath[MAXPATHLEN]; 51328911Sguido int bad = 0, defset, hostset; 5149336Sdfr sigset_t sighup_mask; 51574462Salfred struct sockaddr_in6 *sin6; 51674462Salfred struct sockaddr_in *sin; 5171558Srgrimes 5189336Sdfr sigemptyset(&sighup_mask); 5199336Sdfr sigaddset(&sighup_mask, SIGHUP); 52074462Salfred saddr = svc_getrpccaller(transp)->buf; 52174462Salfred switch (saddr->sa_family) { 52274462Salfred case AF_INET6: 52374462Salfred sin6 = (struct sockaddr_in6 *)saddr; 52474462Salfred sport = ntohs(sin6->sin6_port); 52574462Salfred break; 52674462Salfred case AF_INET: 52774462Salfred sin = (struct sockaddr_in *)saddr; 52874462Salfred sport = ntohs(sin->sin_port); 52974462Salfred break; 53074462Salfred default: 53174462Salfred syslog(LOG_ERR, "request from unknown address family"); 53274462Salfred return; 53374462Salfred } 53474462Salfred lookup_failed = getnameinfo(saddr, saddr->sa_len, host, sizeof host, 53574462Salfred NULL, 0, 0); 53674462Salfred getnameinfo(saddr, saddr->sa_len, numerichost, 53774462Salfred sizeof numerichost, NULL, 0, NI_NUMERICHOST); 53874462Salfred ai = NULL; 5391558Srgrimes switch (rqstp->rq_proc) { 5401558Srgrimes case NULLPROC: 5411558Srgrimes if (!svc_sendreply(transp, xdr_void, (caddr_t)NULL)) 54237663Scharnier syslog(LOG_ERR, "can't send reply"); 5431558Srgrimes return; 5441558Srgrimes case RPCMNT_MOUNT: 5459336Sdfr if (sport >= IPPORT_RESERVED && resvport_only) { 54631656Sguido syslog(LOG_NOTICE, 54731656Sguido "mount request from %s from unprivileged port", 54874462Salfred numerichost); 5491558Srgrimes svcerr_weakauth(transp); 5501558Srgrimes return; 5511558Srgrimes } 5521558Srgrimes if (!svc_getargs(transp, xdr_dir, rpcpath)) { 55331656Sguido syslog(LOG_NOTICE, "undecodable mount request from %s", 55474462Salfred numerichost); 5551558Srgrimes svcerr_decode(transp); 5561558Srgrimes return; 5571558Srgrimes } 5581558Srgrimes 5591558Srgrimes /* 5601558Srgrimes * Get the real pathname and make sure it is a directory 5619336Sdfr * or a regular file if the -r option was specified 5629336Sdfr * and it exists. 5631558Srgrimes */ 56451968Salfred if (realpath(rpcpath, dirpath) == NULL || 5651558Srgrimes stat(dirpath, &stb) < 0 || 5669336Sdfr (!S_ISDIR(stb.st_mode) && 56774462Salfred (dir_only || !S_ISREG(stb.st_mode))) || 5681558Srgrimes statfs(dirpath, &fsb) < 0) { 5691558Srgrimes chdir("/"); /* Just in case realpath doesn't */ 57031656Sguido syslog(LOG_NOTICE, 57137663Scharnier "mount request from %s for non existent path %s", 57274462Salfred numerichost, dirpath); 5731558Srgrimes if (debug) 57437663Scharnier warnx("stat failed on %s", dirpath); 57528911Sguido bad = ENOENT; /* We will send error reply later */ 5761558Srgrimes } 5771558Srgrimes 5781558Srgrimes /* Check in the exports list */ 5799336Sdfr sigprocmask(SIG_BLOCK, &sighup_mask, NULL); 5801558Srgrimes ep = ex_search(&fsb.f_fsid); 5819336Sdfr hostset = defset = 0; 5829336Sdfr if (ep && (chk_host(ep->ex_defdir, saddr, &defset, &hostset) || 5831558Srgrimes ((dp = dirp_search(ep->ex_dirl, dirpath)) && 58474462Salfred chk_host(dp, saddr, &defset, &hostset)) || 58574462Salfred (defset && scan_tree(ep->ex_defdir, saddr) == 0 && 58674462Salfred scan_tree(ep->ex_dirl, saddr) == 0))) { 58728911Sguido if (bad) { 58828911Sguido if (!svc_sendreply(transp, xdr_long, 58928911Sguido (caddr_t)&bad)) 59037663Scharnier syslog(LOG_ERR, "can't send reply"); 59128911Sguido sigprocmask(SIG_UNBLOCK, &sighup_mask, NULL); 59228911Sguido return; 59328911Sguido } 5949336Sdfr if (hostset & DP_HOSTSET) 5959336Sdfr fhr.fhr_flag = hostset; 5969336Sdfr else 5979336Sdfr fhr.fhr_flag = defset; 5989336Sdfr fhr.fhr_vers = rqstp->rq_vers; 5991558Srgrimes /* Get the file handle */ 60023681Speter memset(&fhr.fhr_fh, 0, sizeof(nfsfh_t)); 6019336Sdfr if (getfh(dirpath, (fhandle_t *)&fhr.fhr_fh) < 0) { 6021558Srgrimes bad = errno; 60337663Scharnier syslog(LOG_ERR, "can't get fh for %s", dirpath); 6041558Srgrimes if (!svc_sendreply(transp, xdr_long, 6051558Srgrimes (caddr_t)&bad)) 60637663Scharnier syslog(LOG_ERR, "can't send reply"); 6079336Sdfr sigprocmask(SIG_UNBLOCK, &sighup_mask, NULL); 6081558Srgrimes return; 6091558Srgrimes } 6109336Sdfr if (!svc_sendreply(transp, xdr_fhs, (caddr_t)&fhr)) 61137663Scharnier syslog(LOG_ERR, "can't send reply"); 61274462Salfred if (!lookup_failed) 61374462Salfred add_mlist(host, dirpath); 6141558Srgrimes else 61574462Salfred add_mlist(numerichost, dirpath); 6161558Srgrimes if (debug) 61737663Scharnier warnx("mount successful"); 61831656Sguido if (log) 61931656Sguido syslog(LOG_NOTICE, 62031656Sguido "mount request succeeded from %s for %s", 62174462Salfred numerichost, dirpath); 62231656Sguido } else { 6231558Srgrimes bad = EACCES; 62431656Sguido syslog(LOG_NOTICE, 62531656Sguido "mount request denied from %s for %s", 62674462Salfred numerichost, dirpath); 62731656Sguido } 62828911Sguido 62928911Sguido if (bad && !svc_sendreply(transp, xdr_long, (caddr_t)&bad)) 63037663Scharnier syslog(LOG_ERR, "can't send reply"); 6319336Sdfr sigprocmask(SIG_UNBLOCK, &sighup_mask, NULL); 6321558Srgrimes return; 6331558Srgrimes case RPCMNT_DUMP: 6341558Srgrimes if (!svc_sendreply(transp, xdr_mlist, (caddr_t)NULL)) 63537663Scharnier syslog(LOG_ERR, "can't send reply"); 63631656Sguido else if (log) 63731656Sguido syslog(LOG_NOTICE, 63831656Sguido "dump request succeeded from %s", 63974462Salfred numerichost); 6401558Srgrimes return; 6411558Srgrimes case RPCMNT_UMOUNT: 6429336Sdfr if (sport >= IPPORT_RESERVED && resvport_only) { 64331656Sguido syslog(LOG_NOTICE, 64431656Sguido "umount request from %s from unprivileged port", 64574462Salfred numerichost); 6461558Srgrimes svcerr_weakauth(transp); 6471558Srgrimes return; 6481558Srgrimes } 64951968Salfred if (!svc_getargs(transp, xdr_dir, rpcpath)) { 65031656Sguido syslog(LOG_NOTICE, "undecodable umount request from %s", 65174462Salfred numerichost); 6521558Srgrimes svcerr_decode(transp); 6531558Srgrimes return; 6541558Srgrimes } 65551968Salfred if (realpath(rpcpath, dirpath) == NULL) { 65651968Salfred syslog(LOG_NOTICE, "umount request from %s " 65751968Salfred "for non existent path %s", 65874462Salfred numerichost, dirpath); 65951968Salfred } 6601558Srgrimes if (!svc_sendreply(transp, xdr_void, (caddr_t)NULL)) 66137663Scharnier syslog(LOG_ERR, "can't send reply"); 66274462Salfred if (!lookup_failed) 66374462Salfred del_mlist(host, dirpath, saddr); 66474462Salfred del_mlist(numerichost, dirpath, saddr); 66531656Sguido if (log) 66631656Sguido syslog(LOG_NOTICE, 66731656Sguido "umount request succeeded from %s for %s", 66874462Salfred numerichost, dirpath); 6691558Srgrimes return; 6701558Srgrimes case RPCMNT_UMNTALL: 6719336Sdfr if (sport >= IPPORT_RESERVED && resvport_only) { 67231656Sguido syslog(LOG_NOTICE, 67331656Sguido "umountall request from %s from unprivileged port", 67474462Salfred numerichost); 6751558Srgrimes svcerr_weakauth(transp); 6761558Srgrimes return; 6771558Srgrimes } 6781558Srgrimes if (!svc_sendreply(transp, xdr_void, (caddr_t)NULL)) 67937663Scharnier syslog(LOG_ERR, "can't send reply"); 68074462Salfred if (!lookup_failed) 68174462Salfred del_mlist(host, NULL, saddr); 68274462Salfred del_mlist(numerichost, NULL, saddr); 68331656Sguido if (log) 68431656Sguido syslog(LOG_NOTICE, 68531656Sguido "umountall request succeeded from %s", 68674462Salfred numerichost); 6871558Srgrimes return; 6881558Srgrimes case RPCMNT_EXPORT: 6891558Srgrimes if (!svc_sendreply(transp, xdr_explist, (caddr_t)NULL)) 69037663Scharnier syslog(LOG_ERR, "can't send reply"); 69131656Sguido if (log) 69231656Sguido syslog(LOG_NOTICE, 69331656Sguido "export request succeeded from %s", 69474462Salfred numerichost); 6951558Srgrimes return; 6961558Srgrimes default: 6971558Srgrimes svcerr_noproc(transp); 6981558Srgrimes return; 6991558Srgrimes } 7001558Srgrimes} 7011558Srgrimes 7021558Srgrimes/* 7031558Srgrimes * Xdr conversion for a dirpath string 7041558Srgrimes */ 7051558Srgrimesint 7061558Srgrimesxdr_dir(xdrsp, dirp) 7071558Srgrimes XDR *xdrsp; 7081558Srgrimes char *dirp; 7091558Srgrimes{ 7101558Srgrimes return (xdr_string(xdrsp, &dirp, RPCMNT_PATHLEN)); 7111558Srgrimes} 7121558Srgrimes 7131558Srgrimes/* 7149336Sdfr * Xdr routine to generate file handle reply 7151558Srgrimes */ 7161558Srgrimesint 7179336Sdfrxdr_fhs(xdrsp, cp) 7181558Srgrimes XDR *xdrsp; 7199336Sdfr caddr_t cp; 7201558Srgrimes{ 7219336Sdfr register struct fhreturn *fhrp = (struct fhreturn *)cp; 7229336Sdfr u_long ok = 0, len, auth; 7231558Srgrimes 7241558Srgrimes if (!xdr_long(xdrsp, &ok)) 7251558Srgrimes return (0); 7269336Sdfr switch (fhrp->fhr_vers) { 7279336Sdfr case 1: 7289336Sdfr return (xdr_opaque(xdrsp, (caddr_t)&fhrp->fhr_fh, NFSX_V2FH)); 7299336Sdfr case 3: 7309336Sdfr len = NFSX_V3FH; 7319336Sdfr if (!xdr_long(xdrsp, &len)) 7329336Sdfr return (0); 7339336Sdfr if (!xdr_opaque(xdrsp, (caddr_t)&fhrp->fhr_fh, len)) 7349336Sdfr return (0); 7359336Sdfr if (fhrp->fhr_flag & DP_KERB) 7369336Sdfr auth = RPCAUTH_KERB4; 7379336Sdfr else 7389336Sdfr auth = RPCAUTH_UNIX; 7399336Sdfr len = 1; 7409336Sdfr if (!xdr_long(xdrsp, &len)) 7419336Sdfr return (0); 7429336Sdfr return (xdr_long(xdrsp, &auth)); 7439336Sdfr }; 7449336Sdfr return (0); 7451558Srgrimes} 7461558Srgrimes 7471558Srgrimesint 7481558Srgrimesxdr_mlist(xdrsp, cp) 7491558Srgrimes XDR *xdrsp; 7501558Srgrimes caddr_t cp; 7511558Srgrimes{ 7521558Srgrimes struct mountlist *mlp; 7531558Srgrimes int true = 1; 7541558Srgrimes int false = 0; 7551558Srgrimes char *strp; 7561558Srgrimes 7571558Srgrimes mlp = mlhead; 7581558Srgrimes while (mlp) { 7591558Srgrimes if (!xdr_bool(xdrsp, &true)) 7601558Srgrimes return (0); 7611558Srgrimes strp = &mlp->ml_host[0]; 7621558Srgrimes if (!xdr_string(xdrsp, &strp, RPCMNT_NAMELEN)) 7631558Srgrimes return (0); 7641558Srgrimes strp = &mlp->ml_dirp[0]; 7651558Srgrimes if (!xdr_string(xdrsp, &strp, RPCMNT_PATHLEN)) 7661558Srgrimes return (0); 7671558Srgrimes mlp = mlp->ml_next; 7681558Srgrimes } 7691558Srgrimes if (!xdr_bool(xdrsp, &false)) 7701558Srgrimes return (0); 7711558Srgrimes return (1); 7721558Srgrimes} 7731558Srgrimes 7741558Srgrimes/* 7751558Srgrimes * Xdr conversion for export list 7761558Srgrimes */ 7771558Srgrimesint 7781558Srgrimesxdr_explist(xdrsp, cp) 7791558Srgrimes XDR *xdrsp; 7801558Srgrimes caddr_t cp; 7811558Srgrimes{ 7821558Srgrimes struct exportlist *ep; 7831558Srgrimes int false = 0; 7849336Sdfr int putdef; 7859336Sdfr sigset_t sighup_mask; 7861558Srgrimes 7879336Sdfr sigemptyset(&sighup_mask); 7889336Sdfr sigaddset(&sighup_mask, SIGHUP); 7899336Sdfr sigprocmask(SIG_BLOCK, &sighup_mask, NULL); 7901558Srgrimes ep = exphead; 7911558Srgrimes while (ep) { 7921558Srgrimes putdef = 0; 7931558Srgrimes if (put_exlist(ep->ex_dirl, xdrsp, ep->ex_defdir, &putdef)) 7941558Srgrimes goto errout; 7951558Srgrimes if (ep->ex_defdir && putdef == 0 && 7961558Srgrimes put_exlist(ep->ex_defdir, xdrsp, (struct dirlist *)NULL, 7971558Srgrimes &putdef)) 7981558Srgrimes goto errout; 7991558Srgrimes ep = ep->ex_next; 8001558Srgrimes } 8019336Sdfr sigprocmask(SIG_UNBLOCK, &sighup_mask, NULL); 8021558Srgrimes if (!xdr_bool(xdrsp, &false)) 8031558Srgrimes return (0); 8041558Srgrimes return (1); 8051558Srgrimeserrout: 8069336Sdfr sigprocmask(SIG_UNBLOCK, &sighup_mask, NULL); 8071558Srgrimes return (0); 8081558Srgrimes} 8091558Srgrimes 8101558Srgrimes/* 8111558Srgrimes * Called from xdr_explist() to traverse the tree and export the 8121558Srgrimes * directory paths. 8131558Srgrimes */ 8141558Srgrimesint 8151558Srgrimesput_exlist(dp, xdrsp, adp, putdefp) 8161558Srgrimes struct dirlist *dp; 8171558Srgrimes XDR *xdrsp; 8181558Srgrimes struct dirlist *adp; 8191558Srgrimes int *putdefp; 8201558Srgrimes{ 8211558Srgrimes struct grouplist *grp; 8221558Srgrimes struct hostlist *hp; 8231558Srgrimes int true = 1; 8241558Srgrimes int false = 0; 8251558Srgrimes int gotalldir = 0; 8261558Srgrimes char *strp; 8271558Srgrimes 8281558Srgrimes if (dp) { 8291558Srgrimes if (put_exlist(dp->dp_left, xdrsp, adp, putdefp)) 8301558Srgrimes return (1); 8311558Srgrimes if (!xdr_bool(xdrsp, &true)) 8321558Srgrimes return (1); 8331558Srgrimes strp = dp->dp_dirp; 8341558Srgrimes if (!xdr_string(xdrsp, &strp, RPCMNT_PATHLEN)) 8351558Srgrimes return (1); 8361558Srgrimes if (adp && !strcmp(dp->dp_dirp, adp->dp_dirp)) { 8371558Srgrimes gotalldir = 1; 8381558Srgrimes *putdefp = 1; 8391558Srgrimes } 8401558Srgrimes if ((dp->dp_flag & DP_DEFSET) == 0 && 8411558Srgrimes (gotalldir == 0 || (adp->dp_flag & DP_DEFSET) == 0)) { 8421558Srgrimes hp = dp->dp_hosts; 8431558Srgrimes while (hp) { 8441558Srgrimes grp = hp->ht_grp; 8451558Srgrimes if (grp->gr_type == GT_HOST) { 8461558Srgrimes if (!xdr_bool(xdrsp, &true)) 8471558Srgrimes return (1); 84874462Salfred strp = grp->gr_ptr.gt_addrinfo->ai_canonname; 8498871Srgrimes if (!xdr_string(xdrsp, &strp, 8501558Srgrimes RPCMNT_NAMELEN)) 8511558Srgrimes return (1); 8521558Srgrimes } else if (grp->gr_type == GT_NET) { 8531558Srgrimes if (!xdr_bool(xdrsp, &true)) 8541558Srgrimes return (1); 8551558Srgrimes strp = grp->gr_ptr.gt_net.nt_name; 8568871Srgrimes if (!xdr_string(xdrsp, &strp, 8571558Srgrimes RPCMNT_NAMELEN)) 8581558Srgrimes return (1); 8591558Srgrimes } 8601558Srgrimes hp = hp->ht_next; 8611558Srgrimes if (gotalldir && hp == (struct hostlist *)NULL) { 8621558Srgrimes hp = adp->dp_hosts; 8631558Srgrimes gotalldir = 0; 8641558Srgrimes } 8651558Srgrimes } 8661558Srgrimes } 8671558Srgrimes if (!xdr_bool(xdrsp, &false)) 8681558Srgrimes return (1); 8691558Srgrimes if (put_exlist(dp->dp_right, xdrsp, adp, putdefp)) 8701558Srgrimes return (1); 8711558Srgrimes } 8721558Srgrimes return (0); 8731558Srgrimes} 8741558Srgrimes 8751558Srgrimes#define LINESIZ 10240 8761558Srgrimeschar line[LINESIZ]; 8771558SrgrimesFILE *exp_file; 8781558Srgrimes 8791558Srgrimes/* 8801558Srgrimes * Get the export list 8811558Srgrimes */ 8821558Srgrimesvoid 8831558Srgrimesget_exportlist() 8841558Srgrimes{ 8851558Srgrimes struct exportlist *ep, *ep2; 8861558Srgrimes struct grouplist *grp, *tgrp; 8871558Srgrimes struct exportlist **epp; 8881558Srgrimes struct dirlist *dirhead; 8891558Srgrimes struct statfs fsb, *fsp; 89074462Salfred struct addrinfo *ai; 89172650Sgreen struct xucred anon; 8921558Srgrimes char *cp, *endcp, *dirp, *hst, *usr, *dom, savedc; 8931558Srgrimes int len, has_host, exflags, got_nondir, dirplen, num, i, netgrp; 8941558Srgrimes 89551968Salfred dirp = NULL; 89651968Salfred dirplen = 0; 89751968Salfred 8981558Srgrimes /* 8991558Srgrimes * First, get rid of the old list 9001558Srgrimes */ 9011558Srgrimes ep = exphead; 9021558Srgrimes while (ep) { 9031558Srgrimes ep2 = ep; 9041558Srgrimes ep = ep->ex_next; 9051558Srgrimes free_exp(ep2); 9061558Srgrimes } 9071558Srgrimes exphead = (struct exportlist *)NULL; 9081558Srgrimes 9091558Srgrimes grp = grphead; 9101558Srgrimes while (grp) { 9111558Srgrimes tgrp = grp; 9121558Srgrimes grp = grp->gr_next; 9131558Srgrimes free_grp(tgrp); 9141558Srgrimes } 9151558Srgrimes grphead = (struct grouplist *)NULL; 9161558Srgrimes 9171558Srgrimes /* 9181558Srgrimes * And delete exports that are in the kernel for all local 9191558Srgrimes * file systems. 9201558Srgrimes * XXX: Should know how to handle all local exportable file systems 92123681Speter * instead of just "ufs". 9221558Srgrimes */ 9231558Srgrimes num = getmntinfo(&fsp, MNT_NOWAIT); 9241558Srgrimes for (i = 0; i < num; i++) { 9251558Srgrimes union { 9261558Srgrimes struct ufs_args ua; 9271558Srgrimes struct iso_args ia; 9281558Srgrimes struct mfs_args ma; 9299336Sdfr struct msdosfs_args da; 93054093Ssemenu struct ntfs_args na; 9311558Srgrimes } targs; 9321558Srgrimes 93323681Speter if (!strcmp(fsp->f_fstypename, "mfs") || 93423681Speter !strcmp(fsp->f_fstypename, "ufs") || 93523681Speter !strcmp(fsp->f_fstypename, "msdos") || 93654093Ssemenu !strcmp(fsp->f_fstypename, "ntfs") || 93723681Speter !strcmp(fsp->f_fstypename, "cd9660")) { 9389336Sdfr targs.ua.fspec = NULL; 9399336Sdfr targs.ua.export.ex_flags = MNT_DELEXPORT; 9409336Sdfr if (mount(fsp->f_fstypename, fsp->f_mntonname, 9411558Srgrimes fsp->f_flags | MNT_UPDATE, 9421558Srgrimes (caddr_t)&targs) < 0) 94337663Scharnier syslog(LOG_ERR, "can't delete exports for %s", 94474462Salfred fsp->f_mntonname); 9451558Srgrimes } 9461558Srgrimes fsp++; 9471558Srgrimes } 9481558Srgrimes 9491558Srgrimes /* 9501558Srgrimes * Read in the exports file and build the list, calling 9511558Srgrimes * mount() as we go along to push the export rules into the kernel. 9521558Srgrimes */ 9531558Srgrimes if ((exp_file = fopen(exname, "r")) == NULL) { 95437663Scharnier syslog(LOG_ERR, "can't open %s", exname); 9551558Srgrimes exit(2); 9561558Srgrimes } 9571558Srgrimes dirhead = (struct dirlist *)NULL; 9581558Srgrimes while (get_line()) { 9591558Srgrimes if (debug) 96037663Scharnier warnx("got line %s", line); 9611558Srgrimes cp = line; 9621558Srgrimes nextfield(&cp, &endcp); 9631558Srgrimes if (*cp == '#') 9641558Srgrimes goto nextline; 9651558Srgrimes 9661558Srgrimes /* 9671558Srgrimes * Set defaults. 9681558Srgrimes */ 9691558Srgrimes has_host = FALSE; 9701558Srgrimes anon = def_anon; 9711558Srgrimes exflags = MNT_EXPORTED; 9721558Srgrimes got_nondir = 0; 9731558Srgrimes opt_flags = 0; 9741558Srgrimes ep = (struct exportlist *)NULL; 9751558Srgrimes 9761558Srgrimes /* 9771558Srgrimes * Create new exports list entry 9781558Srgrimes */ 9791558Srgrimes len = endcp-cp; 9801558Srgrimes tgrp = grp = get_grp(); 9811558Srgrimes while (len > 0) { 9821558Srgrimes if (len > RPCMNT_NAMELEN) { 9831558Srgrimes getexp_err(ep, tgrp); 9841558Srgrimes goto nextline; 9851558Srgrimes } 9861558Srgrimes if (*cp == '-') { 9871558Srgrimes if (ep == (struct exportlist *)NULL) { 9881558Srgrimes getexp_err(ep, tgrp); 9891558Srgrimes goto nextline; 9901558Srgrimes } 9911558Srgrimes if (debug) 99237663Scharnier warnx("doing opt %s", cp); 9931558Srgrimes got_nondir = 1; 9941558Srgrimes if (do_opt(&cp, &endcp, ep, grp, &has_host, 9951558Srgrimes &exflags, &anon)) { 9961558Srgrimes getexp_err(ep, tgrp); 9971558Srgrimes goto nextline; 9981558Srgrimes } 9991558Srgrimes } else if (*cp == '/') { 10001558Srgrimes savedc = *endcp; 10011558Srgrimes *endcp = '\0'; 10021558Srgrimes if (check_dirpath(cp) && 10031558Srgrimes statfs(cp, &fsb) >= 0) { 10041558Srgrimes if (got_nondir) { 100537663Scharnier syslog(LOG_ERR, "dirs must be first"); 10061558Srgrimes getexp_err(ep, tgrp); 10071558Srgrimes goto nextline; 10081558Srgrimes } 10091558Srgrimes if (ep) { 10101558Srgrimes if (ep->ex_fs.val[0] != fsb.f_fsid.val[0] || 10111558Srgrimes ep->ex_fs.val[1] != fsb.f_fsid.val[1]) { 10121558Srgrimes getexp_err(ep, tgrp); 10131558Srgrimes goto nextline; 10141558Srgrimes } 10151558Srgrimes } else { 10161558Srgrimes /* 10171558Srgrimes * See if this directory is already 10181558Srgrimes * in the list. 10191558Srgrimes */ 10201558Srgrimes ep = ex_search(&fsb.f_fsid); 10211558Srgrimes if (ep == (struct exportlist *)NULL) { 10221558Srgrimes ep = get_exp(); 10231558Srgrimes ep->ex_fs = fsb.f_fsid; 10241558Srgrimes ep->ex_fsdir = (char *) 10251558Srgrimes malloc(strlen(fsb.f_mntonname) + 1); 10261558Srgrimes if (ep->ex_fsdir) 10271558Srgrimes strcpy(ep->ex_fsdir, 10281558Srgrimes fsb.f_mntonname); 10291558Srgrimes else 10301558Srgrimes out_of_mem(); 10311558Srgrimes if (debug) 103274462Salfred warnx("making new ep fs=0x%x,0x%x", 103374462Salfred fsb.f_fsid.val[0], 103474462Salfred fsb.f_fsid.val[1]); 10351558Srgrimes } else if (debug) 103637663Scharnier warnx("found ep fs=0x%x,0x%x", 10371558Srgrimes fsb.f_fsid.val[0], 10381558Srgrimes fsb.f_fsid.val[1]); 10391558Srgrimes } 10401558Srgrimes 10411558Srgrimes /* 10421558Srgrimes * Add dirpath to export mount point. 10431558Srgrimes */ 10441558Srgrimes dirp = add_expdir(&dirhead, cp, len); 10451558Srgrimes dirplen = len; 10461558Srgrimes } else { 10471558Srgrimes getexp_err(ep, tgrp); 10481558Srgrimes goto nextline; 10491558Srgrimes } 10501558Srgrimes *endcp = savedc; 10511558Srgrimes } else { 10521558Srgrimes savedc = *endcp; 10531558Srgrimes *endcp = '\0'; 10541558Srgrimes got_nondir = 1; 10551558Srgrimes if (ep == (struct exportlist *)NULL) { 10561558Srgrimes getexp_err(ep, tgrp); 10571558Srgrimes goto nextline; 10581558Srgrimes } 10591558Srgrimes 10601558Srgrimes /* 10611558Srgrimes * Get the host or netgroup. 10621558Srgrimes */ 10631558Srgrimes setnetgrent(cp); 10641558Srgrimes netgrp = getnetgrent(&hst, &usr, &dom); 10651558Srgrimes do { 10661558Srgrimes if (has_host) { 10671558Srgrimes grp->gr_next = get_grp(); 10681558Srgrimes grp = grp->gr_next; 10691558Srgrimes } 10701558Srgrimes if (netgrp) { 107137003Sjoerg if (hst == 0) { 107237663Scharnier syslog(LOG_ERR, 107337663Scharnier "null hostname in netgroup %s, skipping", cp); 107437004Sjoerg grp->gr_type = GT_IGNORE; 107537003Sjoerg } else if (get_host(hst, grp, tgrp)) { 107637663Scharnier syslog(LOG_ERR, 107737663Scharnier "bad host %s in netgroup %s, skipping", hst, cp); 107829317Sjlemon grp->gr_type = GT_IGNORE; 10791558Srgrimes } 10807401Swpaul } else if (get_host(cp, grp, tgrp)) { 108137663Scharnier syslog(LOG_ERR, "bad host %s, skipping", cp); 108229317Sjlemon grp->gr_type = GT_IGNORE; 10831558Srgrimes } 10841558Srgrimes has_host = TRUE; 10851558Srgrimes } while (netgrp && getnetgrent(&hst, &usr, &dom)); 10861558Srgrimes endnetgrent(); 10871558Srgrimes *endcp = savedc; 10881558Srgrimes } 10891558Srgrimes cp = endcp; 10901558Srgrimes nextfield(&cp, &endcp); 10911558Srgrimes len = endcp - cp; 10921558Srgrimes } 10931558Srgrimes if (check_options(dirhead)) { 10941558Srgrimes getexp_err(ep, tgrp); 10951558Srgrimes goto nextline; 10961558Srgrimes } 10971558Srgrimes if (!has_host) { 10981558Srgrimes grp->gr_type = GT_HOST; 10991558Srgrimes if (debug) 110037663Scharnier warnx("adding a default entry"); 11011558Srgrimes /* add a default group and make the grp list NULL */ 110274462Salfred ai = malloc(sizeof(struct addrinfo)); 110374462Salfred ai->ai_flags = 0; 110474462Salfred ai->ai_family = AF_INET; /* XXXX */ 110574462Salfred ai->ai_socktype = SOCK_DGRAM; 110674462Salfred /* setting the length to 0 will match anything */ 110774462Salfred ai->ai_addrlen = 0; 110874462Salfred ai->ai_flags = AI_CANONNAME; 110974462Salfred ai->ai_canonname = strdup("Default"); 111074462Salfred ai->ai_addr = NULL; 111174462Salfred ai->ai_next = NULL; 111274462Salfred grp->gr_ptr.gt_addrinfo = ai; 11131558Srgrimes 11141558Srgrimes /* 11151558Srgrimes * Don't allow a network export coincide with a list of 11161558Srgrimes * host(s) on the same line. 11171558Srgrimes */ 11181558Srgrimes } else if ((opt_flags & OP_NET) && tgrp->gr_next) { 11191558Srgrimes getexp_err(ep, tgrp); 11201558Srgrimes goto nextline; 112129317Sjlemon 112274462Salfred /* 112374462Salfred * If an export list was specified on this line, make sure 112429317Sjlemon * that we have at least one valid entry, otherwise skip it. 112529317Sjlemon */ 112629317Sjlemon } else { 112729317Sjlemon grp = tgrp; 112874462Salfred while (grp && grp->gr_type == GT_IGNORE) 112929317Sjlemon grp = grp->gr_next; 113029317Sjlemon if (! grp) { 113129317Sjlemon getexp_err(ep, tgrp); 113229317Sjlemon goto nextline; 113329317Sjlemon } 11341558Srgrimes } 11351558Srgrimes 11361558Srgrimes /* 11371558Srgrimes * Loop through hosts, pushing the exports into the kernel. 11381558Srgrimes * After loop, tgrp points to the start of the list and 11391558Srgrimes * grp points to the last entry in the list. 11401558Srgrimes */ 11411558Srgrimes grp = tgrp; 11421558Srgrimes do { 11431558Srgrimes if (do_mount(ep, grp, exflags, &anon, dirp, 11441558Srgrimes dirplen, &fsb)) { 11451558Srgrimes getexp_err(ep, tgrp); 11461558Srgrimes goto nextline; 11471558Srgrimes } 11481558Srgrimes } while (grp->gr_next && (grp = grp->gr_next)); 11491558Srgrimes 11501558Srgrimes /* 11511558Srgrimes * Success. Update the data structures. 11521558Srgrimes */ 11531558Srgrimes if (has_host) { 11549336Sdfr hang_dirp(dirhead, tgrp, ep, opt_flags); 11551558Srgrimes grp->gr_next = grphead; 11561558Srgrimes grphead = tgrp; 11571558Srgrimes } else { 11581558Srgrimes hang_dirp(dirhead, (struct grouplist *)NULL, ep, 11599336Sdfr opt_flags); 11601558Srgrimes free_grp(grp); 11611558Srgrimes } 11621558Srgrimes dirhead = (struct dirlist *)NULL; 11631558Srgrimes if ((ep->ex_flag & EX_LINKED) == 0) { 11641558Srgrimes ep2 = exphead; 11651558Srgrimes epp = &exphead; 11661558Srgrimes 11671558Srgrimes /* 11681558Srgrimes * Insert in the list in alphabetical order. 11691558Srgrimes */ 11701558Srgrimes while (ep2 && strcmp(ep2->ex_fsdir, ep->ex_fsdir) < 0) { 11711558Srgrimes epp = &ep2->ex_next; 11721558Srgrimes ep2 = ep2->ex_next; 11731558Srgrimes } 11741558Srgrimes if (ep2) 11751558Srgrimes ep->ex_next = ep2; 11761558Srgrimes *epp = ep; 11771558Srgrimes ep->ex_flag |= EX_LINKED; 11781558Srgrimes } 11791558Srgrimesnextline: 11801558Srgrimes if (dirhead) { 11811558Srgrimes free_dir(dirhead); 11821558Srgrimes dirhead = (struct dirlist *)NULL; 11831558Srgrimes } 11841558Srgrimes } 11851558Srgrimes fclose(exp_file); 11861558Srgrimes} 11871558Srgrimes 11881558Srgrimes/* 11891558Srgrimes * Allocate an export list element 11901558Srgrimes */ 11911558Srgrimesstruct exportlist * 11921558Srgrimesget_exp() 11931558Srgrimes{ 11941558Srgrimes struct exportlist *ep; 11951558Srgrimes 11961558Srgrimes ep = (struct exportlist *)malloc(sizeof (struct exportlist)); 11971558Srgrimes if (ep == (struct exportlist *)NULL) 11981558Srgrimes out_of_mem(); 119923681Speter memset(ep, 0, sizeof(struct exportlist)); 12001558Srgrimes return (ep); 12011558Srgrimes} 12021558Srgrimes 12031558Srgrimes/* 12041558Srgrimes * Allocate a group list element 12051558Srgrimes */ 12061558Srgrimesstruct grouplist * 12071558Srgrimesget_grp() 12081558Srgrimes{ 12091558Srgrimes struct grouplist *gp; 12101558Srgrimes 12111558Srgrimes gp = (struct grouplist *)malloc(sizeof (struct grouplist)); 12121558Srgrimes if (gp == (struct grouplist *)NULL) 12131558Srgrimes out_of_mem(); 121423681Speter memset(gp, 0, sizeof(struct grouplist)); 12151558Srgrimes return (gp); 12161558Srgrimes} 12171558Srgrimes 12181558Srgrimes/* 12191558Srgrimes * Clean up upon an error in get_exportlist(). 12201558Srgrimes */ 12211558Srgrimesvoid 12221558Srgrimesgetexp_err(ep, grp) 12231558Srgrimes struct exportlist *ep; 12241558Srgrimes struct grouplist *grp; 12251558Srgrimes{ 12261558Srgrimes struct grouplist *tgrp; 12271558Srgrimes 122837663Scharnier syslog(LOG_ERR, "bad exports list line %s", line); 12291558Srgrimes if (ep && (ep->ex_flag & EX_LINKED) == 0) 12301558Srgrimes free_exp(ep); 12311558Srgrimes while (grp) { 12321558Srgrimes tgrp = grp; 12331558Srgrimes grp = grp->gr_next; 12341558Srgrimes free_grp(tgrp); 12351558Srgrimes } 12361558Srgrimes} 12371558Srgrimes 12381558Srgrimes/* 12391558Srgrimes * Search the export list for a matching fs. 12401558Srgrimes */ 12411558Srgrimesstruct exportlist * 12421558Srgrimesex_search(fsid) 12431558Srgrimes fsid_t *fsid; 12441558Srgrimes{ 12451558Srgrimes struct exportlist *ep; 12461558Srgrimes 12471558Srgrimes ep = exphead; 12481558Srgrimes while (ep) { 12491558Srgrimes if (ep->ex_fs.val[0] == fsid->val[0] && 12501558Srgrimes ep->ex_fs.val[1] == fsid->val[1]) 12511558Srgrimes return (ep); 12521558Srgrimes ep = ep->ex_next; 12531558Srgrimes } 12541558Srgrimes return (ep); 12551558Srgrimes} 12561558Srgrimes 12571558Srgrimes/* 12581558Srgrimes * Add a directory path to the list. 12591558Srgrimes */ 12601558Srgrimeschar * 12611558Srgrimesadd_expdir(dpp, cp, len) 12621558Srgrimes struct dirlist **dpp; 12631558Srgrimes char *cp; 12641558Srgrimes int len; 12651558Srgrimes{ 12661558Srgrimes struct dirlist *dp; 12671558Srgrimes 12681558Srgrimes dp = (struct dirlist *)malloc(sizeof (struct dirlist) + len); 126937663Scharnier if (dp == (struct dirlist *)NULL) 127037663Scharnier out_of_mem(); 12711558Srgrimes dp->dp_left = *dpp; 12721558Srgrimes dp->dp_right = (struct dirlist *)NULL; 12731558Srgrimes dp->dp_flag = 0; 12741558Srgrimes dp->dp_hosts = (struct hostlist *)NULL; 12751558Srgrimes strcpy(dp->dp_dirp, cp); 12761558Srgrimes *dpp = dp; 12771558Srgrimes return (dp->dp_dirp); 12781558Srgrimes} 12791558Srgrimes 12801558Srgrimes/* 12811558Srgrimes * Hang the dir list element off the dirpath binary tree as required 12821558Srgrimes * and update the entry for host. 12831558Srgrimes */ 12841558Srgrimesvoid 12859336Sdfrhang_dirp(dp, grp, ep, flags) 12861558Srgrimes struct dirlist *dp; 12871558Srgrimes struct grouplist *grp; 12881558Srgrimes struct exportlist *ep; 12899336Sdfr int flags; 12901558Srgrimes{ 12911558Srgrimes struct hostlist *hp; 12921558Srgrimes struct dirlist *dp2; 12931558Srgrimes 12949336Sdfr if (flags & OP_ALLDIRS) { 12951558Srgrimes if (ep->ex_defdir) 12961558Srgrimes free((caddr_t)dp); 12971558Srgrimes else 12981558Srgrimes ep->ex_defdir = dp; 12999336Sdfr if (grp == (struct grouplist *)NULL) { 13001558Srgrimes ep->ex_defdir->dp_flag |= DP_DEFSET; 13019336Sdfr if (flags & OP_KERB) 13029336Sdfr ep->ex_defdir->dp_flag |= DP_KERB; 13039336Sdfr } else while (grp) { 13041558Srgrimes hp = get_ht(); 13059336Sdfr if (flags & OP_KERB) 13069336Sdfr hp->ht_flag |= DP_KERB; 13071558Srgrimes hp->ht_grp = grp; 13081558Srgrimes hp->ht_next = ep->ex_defdir->dp_hosts; 13091558Srgrimes ep->ex_defdir->dp_hosts = hp; 13101558Srgrimes grp = grp->gr_next; 13111558Srgrimes } 13121558Srgrimes } else { 13131558Srgrimes 13141558Srgrimes /* 131537663Scharnier * Loop through the directories adding them to the tree. 13161558Srgrimes */ 13171558Srgrimes while (dp) { 13181558Srgrimes dp2 = dp->dp_left; 13199336Sdfr add_dlist(&ep->ex_dirl, dp, grp, flags); 13201558Srgrimes dp = dp2; 13211558Srgrimes } 13221558Srgrimes } 13231558Srgrimes} 13241558Srgrimes 13251558Srgrimes/* 13261558Srgrimes * Traverse the binary tree either updating a node that is already there 13271558Srgrimes * for the new directory or adding the new node. 13281558Srgrimes */ 13291558Srgrimesvoid 13309336Sdfradd_dlist(dpp, newdp, grp, flags) 13311558Srgrimes struct dirlist **dpp; 13321558Srgrimes struct dirlist *newdp; 13331558Srgrimes struct grouplist *grp; 13349336Sdfr int flags; 13351558Srgrimes{ 13361558Srgrimes struct dirlist *dp; 13371558Srgrimes struct hostlist *hp; 13381558Srgrimes int cmp; 13391558Srgrimes 13401558Srgrimes dp = *dpp; 13411558Srgrimes if (dp) { 13421558Srgrimes cmp = strcmp(dp->dp_dirp, newdp->dp_dirp); 13431558Srgrimes if (cmp > 0) { 13449336Sdfr add_dlist(&dp->dp_left, newdp, grp, flags); 13451558Srgrimes return; 13461558Srgrimes } else if (cmp < 0) { 13479336Sdfr add_dlist(&dp->dp_right, newdp, grp, flags); 13481558Srgrimes return; 13491558Srgrimes } else 13501558Srgrimes free((caddr_t)newdp); 13511558Srgrimes } else { 13521558Srgrimes dp = newdp; 13531558Srgrimes dp->dp_left = (struct dirlist *)NULL; 13541558Srgrimes *dpp = dp; 13551558Srgrimes } 13561558Srgrimes if (grp) { 13571558Srgrimes 13581558Srgrimes /* 13591558Srgrimes * Hang all of the host(s) off of the directory point. 13601558Srgrimes */ 13611558Srgrimes do { 13621558Srgrimes hp = get_ht(); 13639336Sdfr if (flags & OP_KERB) 13649336Sdfr hp->ht_flag |= DP_KERB; 13651558Srgrimes hp->ht_grp = grp; 13661558Srgrimes hp->ht_next = dp->dp_hosts; 13671558Srgrimes dp->dp_hosts = hp; 13681558Srgrimes grp = grp->gr_next; 13691558Srgrimes } while (grp); 13709336Sdfr } else { 13711558Srgrimes dp->dp_flag |= DP_DEFSET; 13729336Sdfr if (flags & OP_KERB) 13739336Sdfr dp->dp_flag |= DP_KERB; 13749336Sdfr } 13751558Srgrimes} 13761558Srgrimes 13771558Srgrimes/* 13781558Srgrimes * Search for a dirpath on the export point. 13791558Srgrimes */ 138074462Salfredvoid * 138174462Salfredtest() 138274462Salfred{ 138374462Salfred} 138474462Salfred 138574462Salfred/* 138674462Salfred * Search for a dirpath on the export point. 138774462Salfred */ 13881558Srgrimesstruct dirlist * 138974462Salfreddirp_search(dp, dirp) 13901558Srgrimes struct dirlist *dp; 139174462Salfred char *dirp; 13921558Srgrimes{ 13931558Srgrimes int cmp; 13941558Srgrimes 13951558Srgrimes if (dp) { 139674462Salfred cmp = strcmp(dp->dp_dirp, dirp); 13971558Srgrimes if (cmp > 0) 139874462Salfred return (dirp_search(dp->dp_left, dirp)); 13991558Srgrimes else if (cmp < 0) 140074462Salfred return (dirp_search(dp->dp_right, dirp)); 14011558Srgrimes else 14021558Srgrimes return (dp); 14031558Srgrimes } 14041558Srgrimes return (dp); 14051558Srgrimes} 14061558Srgrimes 14071558Srgrimes/* 140874462Salfred * Some helper functions for netmasks. They all assume masks in network 140974462Salfred * order (big endian). 141074462Salfred */ 141174462Salfredstatic int 141274462Salfredbitcmp(void *dst, void *src, int bitlen) 141374462Salfred{ 141474462Salfred int i; 141574462Salfred u_int8_t *p1 = dst, *p2 = src; 141674462Salfred u_int8_t bitmask; 141774462Salfred int bytelen, bitsleft; 141874462Salfred 141974462Salfred bytelen = bitlen / 8; 142074462Salfred bitsleft = bitlen % 8; 142174462Salfred 142274462Salfred if (debug) { 142374462Salfred printf("comparing:\n"); 142474462Salfred for (i = 0; i < (bitsleft ? bytelen + 1 : bytelen); i++) 142574462Salfred printf("%02x", p1[i]); 142674462Salfred printf("\n"); 142774462Salfred for (i = 0; i < (bitsleft ? bytelen + 1 : bytelen); i++) 142874462Salfred printf("%02x", p2[i]); 142974462Salfred printf("\n"); 143074462Salfred } 143174462Salfred 143274462Salfred for (i = 0; i < bytelen; i++) { 143374462Salfred if (*p1 != *p2) 143474462Salfred return 1; 143574462Salfred p1++; 143674462Salfred p2++; 143774462Salfred } 143874462Salfred 143974462Salfred for (i = 0; i < bitsleft; i++) { 144074462Salfred bitmask = 1 << (7 - i); 144174462Salfred if ((*p1 & bitmask) != (*p2 & bitmask)) 144274462Salfred return 1; 144374462Salfred } 144474462Salfred 144574462Salfred return 0; 144674462Salfred} 144774462Salfred 144874462Salfred/* 14491558Srgrimes * Scan for a host match in a directory tree. 14501558Srgrimes */ 14511558Srgrimesint 14529336Sdfrchk_host(dp, saddr, defsetp, hostsetp) 14531558Srgrimes struct dirlist *dp; 145474462Salfred struct sockaddr *saddr; 14551558Srgrimes int *defsetp; 14569336Sdfr int *hostsetp; 14571558Srgrimes{ 14581558Srgrimes struct hostlist *hp; 14591558Srgrimes struct grouplist *grp; 146074462Salfred struct addrinfo *ai; 14611558Srgrimes 14621558Srgrimes if (dp) { 14631558Srgrimes if (dp->dp_flag & DP_DEFSET) 14649336Sdfr *defsetp = dp->dp_flag; 14651558Srgrimes hp = dp->dp_hosts; 14661558Srgrimes while (hp) { 14671558Srgrimes grp = hp->ht_grp; 14681558Srgrimes switch (grp->gr_type) { 14691558Srgrimes case GT_HOST: 147074462Salfred ai = grp->gr_ptr.gt_addrinfo; 147174462Salfred for (; ai; ai = ai->ai_next) { 147274462Salfred if (!sacmp(ai->ai_addr, saddr)) { 147374462Salfred *hostsetp = 147474462Salfred (hp->ht_flag | DP_HOSTSET); 147574462Salfred return (1); 147674462Salfred } 14779336Sdfr } 14781558Srgrimes break; 14791558Srgrimes case GT_NET: 148074462Salfred if (!netpartcmp(saddr, 148174462Salfred (struct sockaddr *) &grp->gr_ptr.gt_net.nt_net, 148274462Salfred grp->gr_ptr.gt_net.nt_mask)) { 148374462Salfred *hostsetp = (hp->ht_flag | DP_HOSTSET); 148474462Salfred return (1); 148574462Salfred } 14861558Srgrimes break; 14871558Srgrimes }; 14881558Srgrimes hp = hp->ht_next; 14891558Srgrimes } 14901558Srgrimes } 14911558Srgrimes return (0); 14921558Srgrimes} 14931558Srgrimes 14941558Srgrimes/* 14951558Srgrimes * Scan tree for a host that matches the address. 14961558Srgrimes */ 14971558Srgrimesint 14981558Srgrimesscan_tree(dp, saddr) 14991558Srgrimes struct dirlist *dp; 150074462Salfred struct sockaddr *saddr; 15011558Srgrimes{ 15029336Sdfr int defset, hostset; 15031558Srgrimes 15041558Srgrimes if (dp) { 15051558Srgrimes if (scan_tree(dp->dp_left, saddr)) 15061558Srgrimes return (1); 15079336Sdfr if (chk_host(dp, saddr, &defset, &hostset)) 15081558Srgrimes return (1); 15091558Srgrimes if (scan_tree(dp->dp_right, saddr)) 15101558Srgrimes return (1); 15111558Srgrimes } 15121558Srgrimes return (0); 15131558Srgrimes} 15141558Srgrimes 15151558Srgrimes/* 15161558Srgrimes * Traverse the dirlist tree and free it up. 15171558Srgrimes */ 15181558Srgrimesvoid 15191558Srgrimesfree_dir(dp) 15201558Srgrimes struct dirlist *dp; 15211558Srgrimes{ 15221558Srgrimes 15231558Srgrimes if (dp) { 15241558Srgrimes free_dir(dp->dp_left); 15251558Srgrimes free_dir(dp->dp_right); 15261558Srgrimes free_host(dp->dp_hosts); 15271558Srgrimes free((caddr_t)dp); 15281558Srgrimes } 15291558Srgrimes} 15301558Srgrimes 15311558Srgrimes/* 15321558Srgrimes * Parse the option string and update fields. 15331558Srgrimes * Option arguments may either be -<option>=<value> or 15341558Srgrimes * -<option> <value> 15351558Srgrimes */ 15361558Srgrimesint 15371558Srgrimesdo_opt(cpp, endcpp, ep, grp, has_hostp, exflagsp, cr) 15381558Srgrimes char **cpp, **endcpp; 15391558Srgrimes struct exportlist *ep; 15401558Srgrimes struct grouplist *grp; 15411558Srgrimes int *has_hostp; 15421558Srgrimes int *exflagsp; 154372650Sgreen struct xucred *cr; 15441558Srgrimes{ 15451558Srgrimes char *cpoptarg, *cpoptend; 15461558Srgrimes char *cp, *endcp, *cpopt, savedc, savedc2; 15471558Srgrimes int allflag, usedarg; 15481558Srgrimes 154951968Salfred savedc2 = '\0'; 15501558Srgrimes cpopt = *cpp; 15511558Srgrimes cpopt++; 15521558Srgrimes cp = *endcpp; 15531558Srgrimes savedc = *cp; 15541558Srgrimes *cp = '\0'; 15551558Srgrimes while (cpopt && *cpopt) { 15561558Srgrimes allflag = 1; 15571558Srgrimes usedarg = -2; 155837663Scharnier if ((cpoptend = strchr(cpopt, ','))) { 15591558Srgrimes *cpoptend++ = '\0'; 156037663Scharnier if ((cpoptarg = strchr(cpopt, '='))) 15611558Srgrimes *cpoptarg++ = '\0'; 15621558Srgrimes } else { 156337663Scharnier if ((cpoptarg = strchr(cpopt, '='))) 15641558Srgrimes *cpoptarg++ = '\0'; 15651558Srgrimes else { 15661558Srgrimes *cp = savedc; 15671558Srgrimes nextfield(&cp, &endcp); 15681558Srgrimes **endcpp = '\0'; 15691558Srgrimes if (endcp > cp && *cp != '-') { 15701558Srgrimes cpoptarg = cp; 15711558Srgrimes savedc2 = *endcp; 15721558Srgrimes *endcp = '\0'; 15731558Srgrimes usedarg = 0; 15741558Srgrimes } 15751558Srgrimes } 15761558Srgrimes } 15771558Srgrimes if (!strcmp(cpopt, "ro") || !strcmp(cpopt, "o")) { 15781558Srgrimes *exflagsp |= MNT_EXRDONLY; 15791558Srgrimes } else if (cpoptarg && (!strcmp(cpopt, "maproot") || 15801558Srgrimes !(allflag = strcmp(cpopt, "mapall")) || 15811558Srgrimes !strcmp(cpopt, "root") || !strcmp(cpopt, "r"))) { 15821558Srgrimes usedarg++; 15831558Srgrimes parsecred(cpoptarg, cr); 15841558Srgrimes if (allflag == 0) { 15851558Srgrimes *exflagsp |= MNT_EXPORTANON; 15861558Srgrimes opt_flags |= OP_MAPALL; 15871558Srgrimes } else 15881558Srgrimes opt_flags |= OP_MAPROOT; 15891558Srgrimes } else if (!strcmp(cpopt, "kerb") || !strcmp(cpopt, "k")) { 15901558Srgrimes *exflagsp |= MNT_EXKERB; 15911558Srgrimes opt_flags |= OP_KERB; 15921558Srgrimes } else if (cpoptarg && (!strcmp(cpopt, "mask") || 15931558Srgrimes !strcmp(cpopt, "m"))) { 15941558Srgrimes if (get_net(cpoptarg, &grp->gr_ptr.gt_net, 1)) { 159537663Scharnier syslog(LOG_ERR, "bad mask: %s", cpoptarg); 15961558Srgrimes return (1); 15971558Srgrimes } 15981558Srgrimes usedarg++; 15991558Srgrimes opt_flags |= OP_MASK; 16001558Srgrimes } else if (cpoptarg && (!strcmp(cpopt, "network") || 16011558Srgrimes !strcmp(cpopt, "n"))) { 160274462Salfred if (strchr(cpoptarg, '/') != NULL) { 160374462Salfred if (debug) 160474462Salfred fprintf(stderr, "setting OP_MASKLEN\n"); 160574462Salfred opt_flags |= OP_MASKLEN; 160674462Salfred } 16071558Srgrimes if (grp->gr_type != GT_NULL) { 160837663Scharnier syslog(LOG_ERR, "network/host conflict"); 16091558Srgrimes return (1); 16101558Srgrimes } else if (get_net(cpoptarg, &grp->gr_ptr.gt_net, 0)) { 161137663Scharnier syslog(LOG_ERR, "bad net: %s", cpoptarg); 16121558Srgrimes return (1); 16131558Srgrimes } 16141558Srgrimes grp->gr_type = GT_NET; 16151558Srgrimes *has_hostp = 1; 16161558Srgrimes usedarg++; 16171558Srgrimes opt_flags |= OP_NET; 16181558Srgrimes } else if (!strcmp(cpopt, "alldirs")) { 16191558Srgrimes opt_flags |= OP_ALLDIRS; 162027447Sdfr } else if (!strcmp(cpopt, "public")) { 162127447Sdfr *exflagsp |= MNT_EXPUBLIC; 162227447Sdfr } else if (!strcmp(cpopt, "webnfs")) { 162327447Sdfr *exflagsp |= (MNT_EXPUBLIC|MNT_EXRDONLY|MNT_EXPORTANON); 162427447Sdfr opt_flags |= OP_MAPALL; 162527447Sdfr } else if (cpoptarg && !strcmp(cpopt, "index")) { 162627447Sdfr ep->ex_indexfile = strdup(cpoptarg); 16271558Srgrimes } else { 162837663Scharnier syslog(LOG_ERR, "bad opt %s", cpopt); 16291558Srgrimes return (1); 16301558Srgrimes } 16311558Srgrimes if (usedarg >= 0) { 16321558Srgrimes *endcp = savedc2; 16331558Srgrimes **endcpp = savedc; 16341558Srgrimes if (usedarg > 0) { 16351558Srgrimes *cpp = cp; 16361558Srgrimes *endcpp = endcp; 16371558Srgrimes } 16381558Srgrimes return (0); 16391558Srgrimes } 16401558Srgrimes cpopt = cpoptend; 16411558Srgrimes } 16421558Srgrimes **endcpp = savedc; 16431558Srgrimes return (0); 16441558Srgrimes} 16451558Srgrimes 16461558Srgrimes/* 16471558Srgrimes * Translate a character string to the corresponding list of network 16481558Srgrimes * addresses for a hostname. 16491558Srgrimes */ 16501558Srgrimesint 16517401Swpaulget_host(cp, grp, tgrp) 16521558Srgrimes char *cp; 16531558Srgrimes struct grouplist *grp; 16547401Swpaul struct grouplist *tgrp; 16551558Srgrimes{ 16567401Swpaul struct grouplist *checkgrp; 165774462Salfred struct addrinfo *ai, hints; 165874462Salfred int ecode; 165974462Salfred char host[NI_MAXHOST]; 16601558Srgrimes int i; 16611558Srgrimes char *aptr[2]; 16621558Srgrimes 166374462Salfred if (grp->gr_type != GT_NULL) { 166474462Salfred syslog(LOG_ERR, "Bad netgroup type for ip host %s", cp); 16651558Srgrimes return (1); 16661558Srgrimes } 166774462Salfred memset(&hints, 0, sizeof hints); 166874462Salfred hints.ai_flags = AI_CANONNAME; 166974462Salfred hints.ai_protocol = IPPROTO_UDP; 167074462Salfred ecode = getaddrinfo(cp, NULL, &hints, &ai); 167174462Salfred if (ecode != 0) { 167274462Salfred syslog(LOG_ERR,"can't get address info for " 167374462Salfred "host %s", cp); 167474462Salfred return 1; 167574462Salfred } 16761558Srgrimes grp->gr_type = GT_HOST; 167774462Salfred grp->gr_ptr.gt_addrinfo = ai; 167874462Salfred while (ai != NULL) { 167974462Salfred if (ai->ai_canonname == NULL) { 168074462Salfred if (getnameinfo(ai->ai_addr, ai->ai_addrlen, host, 168174462Salfred sizeof host, NULL, 0, ninumeric) != 0) 168274462Salfred strlcpy(host, "?", sizeof(host)); 168374462Salfred ai->ai_canonname = strdup(host); 168474462Salfred ai->ai_flags |= AI_CANONNAME; 168574462Salfred } else 168674462Salfred ai->ai_flags &= ~AI_CANONNAME; 168774462Salfred if (debug) 168874462Salfred (void)fprintf(stderr, "got host %s\n", ai->ai_canonname); 168974462Salfred ai = ai->ai_next; 16901558Srgrimes } 16911558Srgrimes return (0); 16921558Srgrimes} 16931558Srgrimes 16941558Srgrimes/* 16951558Srgrimes * Free up an exports list component 16961558Srgrimes */ 16971558Srgrimesvoid 16981558Srgrimesfree_exp(ep) 16991558Srgrimes struct exportlist *ep; 17001558Srgrimes{ 17011558Srgrimes 17021558Srgrimes if (ep->ex_defdir) { 17031558Srgrimes free_host(ep->ex_defdir->dp_hosts); 17041558Srgrimes free((caddr_t)ep->ex_defdir); 17051558Srgrimes } 17061558Srgrimes if (ep->ex_fsdir) 17071558Srgrimes free(ep->ex_fsdir); 170827447Sdfr if (ep->ex_indexfile) 170927447Sdfr free(ep->ex_indexfile); 17101558Srgrimes free_dir(ep->ex_dirl); 17111558Srgrimes free((caddr_t)ep); 17121558Srgrimes} 17131558Srgrimes 17141558Srgrimes/* 17151558Srgrimes * Free hosts. 17161558Srgrimes */ 17171558Srgrimesvoid 17181558Srgrimesfree_host(hp) 17191558Srgrimes struct hostlist *hp; 17201558Srgrimes{ 17211558Srgrimes struct hostlist *hp2; 17221558Srgrimes 17231558Srgrimes while (hp) { 17241558Srgrimes hp2 = hp; 17251558Srgrimes hp = hp->ht_next; 17261558Srgrimes free((caddr_t)hp2); 17271558Srgrimes } 17281558Srgrimes} 17291558Srgrimes 17301558Srgrimesstruct hostlist * 17311558Srgrimesget_ht() 17321558Srgrimes{ 17331558Srgrimes struct hostlist *hp; 17341558Srgrimes 17351558Srgrimes hp = (struct hostlist *)malloc(sizeof (struct hostlist)); 17361558Srgrimes if (hp == (struct hostlist *)NULL) 17371558Srgrimes out_of_mem(); 17381558Srgrimes hp->ht_next = (struct hostlist *)NULL; 17399336Sdfr hp->ht_flag = 0; 17401558Srgrimes return (hp); 17411558Srgrimes} 17421558Srgrimes 17431558Srgrimes/* 17441558Srgrimes * Out of memory, fatal 17451558Srgrimes */ 17461558Srgrimesvoid 17471558Srgrimesout_of_mem() 17481558Srgrimes{ 17491558Srgrimes 175037663Scharnier syslog(LOG_ERR, "out of memory"); 17511558Srgrimes exit(2); 17521558Srgrimes} 17531558Srgrimes 17541558Srgrimes/* 17551558Srgrimes * Do the mount syscall with the update flag to push the export info into 17561558Srgrimes * the kernel. 17571558Srgrimes */ 17581558Srgrimesint 17591558Srgrimesdo_mount(ep, grp, exflags, anoncrp, dirp, dirplen, fsb) 17601558Srgrimes struct exportlist *ep; 17611558Srgrimes struct grouplist *grp; 17621558Srgrimes int exflags; 176372650Sgreen struct xucred *anoncrp; 17641558Srgrimes char *dirp; 17651558Srgrimes int dirplen; 17661558Srgrimes struct statfs *fsb; 17671558Srgrimes{ 176874462Salfred struct sockaddr *addrp; 176974462Salfred struct sockaddr_storage ss; 177074462Salfred struct addrinfo *ai; 177174462Salfred int addrlen; 177274462Salfred char *cp = NULL; 17731558Srgrimes int done; 17741558Srgrimes char savedc = '\0'; 17751558Srgrimes union { 17761558Srgrimes struct ufs_args ua; 17771558Srgrimes struct iso_args ia; 17781558Srgrimes struct mfs_args ma; 17799336Sdfr#ifdef __NetBSD__ 17809336Sdfr struct msdosfs_args da; 178174462Salfred struct adosfs_args aa; 17829336Sdfr#endif 178354093Ssemenu struct ntfs_args na; 17841558Srgrimes } args; 17851558Srgrimes 17861558Srgrimes args.ua.fspec = 0; 17871558Srgrimes args.ua.export.ex_flags = exflags; 17881558Srgrimes args.ua.export.ex_anon = *anoncrp; 178927447Sdfr args.ua.export.ex_indexfile = ep->ex_indexfile; 179074462Salfred if (grp->gr_type == GT_HOST) { 179174462Salfred ai = grp->gr_ptr.gt_addrinfo; 179274462Salfred addrp = ai->ai_addr; 179374462Salfred addrlen = ai->ai_addrlen; 179474462Salfred } else 179574462Salfred addrp = NULL; 17961558Srgrimes done = FALSE; 17971558Srgrimes while (!done) { 17981558Srgrimes switch (grp->gr_type) { 17991558Srgrimes case GT_HOST: 180074462Salfred if (addrp != NULL && addrp->sa_family == AF_INET6 && 180174462Salfred have_v6 == 0) 180274462Salfred goto skip; 180374462Salfred args.ua.export.ex_addr = addrp; 180474462Salfred args.ua.export.ex_addrlen = addrlen; 18051558Srgrimes args.ua.export.ex_masklen = 0; 18061558Srgrimes break; 18071558Srgrimes case GT_NET: 180874462Salfred args.ua.export.ex_addr = (struct sockaddr *) 180974462Salfred &grp->gr_ptr.gt_net.nt_net; 181074462Salfred if (args.ua.export.ex_addr->sa_family == AF_INET6 && 181174462Salfred have_v6 == 0) 181274462Salfred goto skip; 181374462Salfred args.ua.export.ex_addrlen = 181474462Salfred args.ua.export.ex_addr->sa_len; 181574462Salfred memset(&ss, 0, sizeof ss); 181674462Salfred ss.ss_family = args.ua.export.ex_addr->sa_family; 181774462Salfred ss.ss_len = args.ua.export.ex_addr->sa_len; 181874462Salfred if (allones(&ss, grp->gr_ptr.gt_net.nt_mask) != 0) { 181974462Salfred syslog(LOG_ERR, "Bad network flag"); 182074462Salfred if (cp) 182174462Salfred *cp = savedc; 182274462Salfred return (1); 18231558Srgrimes } 182474462Salfred args.ua.export.ex_mask = (struct sockaddr *)&ss; 182574462Salfred args.ua.export.ex_masklen = ss.ss_len; 18261558Srgrimes break; 18277401Swpaul case GT_IGNORE: 18287401Swpaul return(0); 18297401Swpaul break; 18301558Srgrimes default: 183137663Scharnier syslog(LOG_ERR, "bad grouptype"); 18321558Srgrimes if (cp) 18331558Srgrimes *cp = savedc; 18341558Srgrimes return (1); 18351558Srgrimes }; 18361558Srgrimes 18371558Srgrimes /* 18381558Srgrimes * XXX: 18391558Srgrimes * Maybe I should just use the fsb->f_mntonname path instead 18401558Srgrimes * of looping back up the dirp to the mount point?? 18411558Srgrimes * Also, needs to know how to export all types of local 184223681Speter * exportable file systems and not just "ufs". 18431558Srgrimes */ 18449336Sdfr while (mount(fsb->f_fstypename, dirp, 184574462Salfred fsb->f_flags | MNT_UPDATE, (caddr_t)&args) < 0) { 18461558Srgrimes if (cp) 18471558Srgrimes *cp-- = savedc; 18481558Srgrimes else 18491558Srgrimes cp = dirp + dirplen - 1; 18501558Srgrimes if (errno == EPERM) { 18511558Srgrimes syslog(LOG_ERR, 185237663Scharnier "can't change attributes for %s", dirp); 18531558Srgrimes return (1); 18541558Srgrimes } 18551558Srgrimes if (opt_flags & OP_ALLDIRS) { 185637663Scharnier syslog(LOG_ERR, "could not remount %s: %m", 18574895Swollman dirp); 18581558Srgrimes return (1); 18591558Srgrimes } 18601558Srgrimes /* back up over the last component */ 18611558Srgrimes while (*cp == '/' && cp > dirp) 18621558Srgrimes cp--; 18631558Srgrimes while (*(cp - 1) != '/' && cp > dirp) 18641558Srgrimes cp--; 18651558Srgrimes if (cp == dirp) { 18661558Srgrimes if (debug) 186737663Scharnier warnx("mnt unsucc"); 186837663Scharnier syslog(LOG_ERR, "can't export %s", dirp); 18691558Srgrimes return (1); 18701558Srgrimes } 18711558Srgrimes savedc = *cp; 18721558Srgrimes *cp = '\0'; 18731558Srgrimes } 187474462Salfredskip: 18751558Srgrimes if (addrp) { 187674462Salfred ai = ai->ai_next; 187774462Salfred if (ai == NULL) 18781558Srgrimes done = TRUE; 187974462Salfred else { 188074462Salfred addrp = ai->ai_addr; 188174462Salfred addrlen = ai->ai_addrlen; 188274462Salfred } 18831558Srgrimes } else 18841558Srgrimes done = TRUE; 18851558Srgrimes } 18861558Srgrimes if (cp) 18871558Srgrimes *cp = savedc; 18881558Srgrimes return (0); 18891558Srgrimes} 18901558Srgrimes 18911558Srgrimes/* 18921558Srgrimes * Translate a net address. 18931558Srgrimes */ 18941558Srgrimesint 18951558Srgrimesget_net(cp, net, maskflg) 18961558Srgrimes char *cp; 18971558Srgrimes struct netmsk *net; 18981558Srgrimes int maskflg; 18991558Srgrimes{ 19001558Srgrimes struct netent *np; 190174462Salfred char *name, *p, *prefp; 190274462Salfred struct sockaddr_in sin, *sinp; 190374462Salfred struct sockaddr *sa; 190474462Salfred struct addrinfo hints, *ai = NULL; 190574462Salfred char netname[NI_MAXHOST]; 190674462Salfred long preflen; 190774462Salfred int ecode; 19081558Srgrimes 190974462Salfred if ((opt_flags & OP_MASKLEN) && !maskflg) { 191074462Salfred p = strchr(cp, '/'); 191174462Salfred *p = '\0'; 191274462Salfred prefp = p + 1; 191374462Salfred } 191474462Salfred 191574462Salfred if ((np = getnetbyname(cp)) != NULL) { 191674462Salfred sin.sin_family = AF_INET; 191774462Salfred sin.sin_len = sizeof sin; 191874462Salfred sin.sin_addr = inet_makeaddr(np->n_net, 0); 191974462Salfred sa = (struct sockaddr *)&sin; 192074462Salfred } else if (isdigit(*cp)) { 192174462Salfred memset(&hints, 0, sizeof hints); 192274462Salfred hints.ai_family = AF_UNSPEC; 192374462Salfred hints.ai_flags = AI_NUMERICHOST; 192474462Salfred if (getaddrinfo(cp, NULL, &hints, &ai) != 0) { 192574462Salfred /* 192674462Salfred * If getaddrinfo() failed, try the inet4 network 192774462Salfred * notation with less than 3 dots. 192874462Salfred */ 192974462Salfred sin.sin_family = AF_INET; 193074462Salfred sin.sin_len = sizeof sin; 193174462Salfred sin.sin_addr = inet_makeaddr(inet_network(cp),0); 193274462Salfred if (debug) 193374462Salfred fprintf(stderr, "get_net: v4 addr %x\n", 193474462Salfred sin.sin_addr.s_addr); 193574462Salfred sa = (struct sockaddr *)&sin; 193674462Salfred } else 193774462Salfred sa = ai->ai_addr; 193874462Salfred } else if (isxdigit(*cp) || *cp == ':') { 193974462Salfred memset(&hints, 0, sizeof hints); 194074462Salfred hints.ai_family = AF_UNSPEC; 194174462Salfred hints.ai_flags = AI_NUMERICHOST; 194274462Salfred if (getaddrinfo(cp, NULL, &hints, &ai) == 0) 194374462Salfred sa = ai->ai_addr; 194474462Salfred else 194574462Salfred goto fail; 19461558Srgrimes } else 194774462Salfred goto fail; 194825318Spst 194974462Salfred ecode = getnameinfo(sa, sa->sa_len, netname, sizeof netname, 195074462Salfred NULL, 0, ninumeric); 195174462Salfred if (ecode != 0) 195274462Salfred goto fail; 195374462Salfred 19541558Srgrimes if (maskflg) 195574462Salfred net->nt_mask = countones(sa); 19561558Srgrimes else { 195774462Salfred if (opt_flags & OP_MASKLEN) { 195874462Salfred preflen = strtol(prefp, NULL, 10); 195974462Salfred if (preflen == LONG_MIN && errno == ERANGE) 196074462Salfred goto fail; 196174462Salfred net->nt_mask = (int)preflen; 196274462Salfred *p = '/'; 196374462Salfred } 196474462Salfred 19651558Srgrimes if (np) 19661558Srgrimes name = np->n_name; 196774462Salfred else { 196874462Salfred if (getnameinfo(sa, sa->sa_len, netname, sizeof netname, 196974462Salfred NULL, 0, ninumeric) != 0) 197074462Salfred strlcpy(netname, "?", sizeof(netname)); 197174462Salfred name = netname; 197274462Salfred } 197374462Salfred net->nt_name = strdup(name); 197474462Salfred memcpy(&net->nt_net, sa, sa->sa_len); 197574462Salfred } 197674462Salfred 197774462Salfred if (!maskflg && sa->sa_family == AF_INET && 197874462Salfred !(opt_flags & (OP_MASK|OP_MASKLEN))) { 197974462Salfred sinp = (struct sockaddr_in *)sa; 198074462Salfred if (IN_CLASSA(sinp->sin_addr.s_addr)) 198174462Salfred net->nt_mask = 8; 198274462Salfred else if (IN_CLASSB(sinp->sin_addr.s_addr)) 198374462Salfred net->nt_mask = 16; 198474462Salfred else if (IN_CLASSC(sinp->sin_addr.s_addr)) 198574462Salfred net->nt_mask = 24; 198674462Salfred else if (IN_CLASSD(sinp->sin_addr.s_addr)) 198774462Salfred net->nt_mask = 28; 19881558Srgrimes else 198974462Salfred net->nt_mask = 32; /* XXX */ 19901558Srgrimes } 199174462Salfred 199274462Salfred if (ai) 199374462Salfred freeaddrinfo(ai); 199474462Salfred return 0; 199574462Salfred 199674462Salfredfail: 199774462Salfred if (ai) 199874462Salfred freeaddrinfo(ai); 199974462Salfred return 1; 20001558Srgrimes} 20011558Srgrimes 20021558Srgrimes/* 20031558Srgrimes * Parse out the next white space separated field 20041558Srgrimes */ 20051558Srgrimesvoid 20061558Srgrimesnextfield(cp, endcp) 20071558Srgrimes char **cp; 20081558Srgrimes char **endcp; 20091558Srgrimes{ 20101558Srgrimes char *p; 20111558Srgrimes 20121558Srgrimes p = *cp; 20131558Srgrimes while (*p == ' ' || *p == '\t') 20141558Srgrimes p++; 20151558Srgrimes if (*p == '\n' || *p == '\0') 20161558Srgrimes *cp = *endcp = p; 20171558Srgrimes else { 20181558Srgrimes *cp = p++; 20191558Srgrimes while (*p != ' ' && *p != '\t' && *p != '\n' && *p != '\0') 20201558Srgrimes p++; 20211558Srgrimes *endcp = p; 20221558Srgrimes } 20231558Srgrimes} 20241558Srgrimes 20251558Srgrimes/* 20261558Srgrimes * Get an exports file line. Skip over blank lines and handle line 20271558Srgrimes * continuations. 20281558Srgrimes */ 20291558Srgrimesint 20301558Srgrimesget_line() 20311558Srgrimes{ 20321558Srgrimes char *p, *cp; 20331558Srgrimes int len; 20341558Srgrimes int totlen, cont_line; 20351558Srgrimes 20361558Srgrimes /* 20371558Srgrimes * Loop around ignoring blank lines and getting all continuation lines. 20381558Srgrimes */ 20391558Srgrimes p = line; 20401558Srgrimes totlen = 0; 20411558Srgrimes do { 20421558Srgrimes if (fgets(p, LINESIZ - totlen, exp_file) == NULL) 20431558Srgrimes return (0); 20441558Srgrimes len = strlen(p); 20451558Srgrimes cp = p + len - 1; 20461558Srgrimes cont_line = 0; 20471558Srgrimes while (cp >= p && 20481558Srgrimes (*cp == ' ' || *cp == '\t' || *cp == '\n' || *cp == '\\')) { 20491558Srgrimes if (*cp == '\\') 20501558Srgrimes cont_line = 1; 20511558Srgrimes cp--; 20521558Srgrimes len--; 20531558Srgrimes } 20541558Srgrimes *++cp = '\0'; 20551558Srgrimes if (len > 0) { 20561558Srgrimes totlen += len; 20571558Srgrimes if (totlen >= LINESIZ) { 205837663Scharnier syslog(LOG_ERR, "exports line too long"); 20591558Srgrimes exit(2); 20601558Srgrimes } 20611558Srgrimes p = cp; 20621558Srgrimes } 20631558Srgrimes } while (totlen == 0 || cont_line); 20641558Srgrimes return (1); 20651558Srgrimes} 20661558Srgrimes 20671558Srgrimes/* 20681558Srgrimes * Parse a description of a credential. 20691558Srgrimes */ 20701558Srgrimesvoid 20711558Srgrimesparsecred(namelist, cr) 20721558Srgrimes char *namelist; 207372650Sgreen struct xucred *cr; 20741558Srgrimes{ 20751558Srgrimes char *name; 20761558Srgrimes int cnt; 20771558Srgrimes char *names; 20781558Srgrimes struct passwd *pw; 20791558Srgrimes struct group *gr; 20801558Srgrimes int ngroups, groups[NGROUPS + 1]; 20811558Srgrimes 20821558Srgrimes /* 208337663Scharnier * Set up the unprivileged user. 20841558Srgrimes */ 20851558Srgrimes cr->cr_uid = -2; 20861558Srgrimes cr->cr_groups[0] = -2; 20871558Srgrimes cr->cr_ngroups = 1; 20881558Srgrimes /* 20891558Srgrimes * Get the user's password table entry. 20901558Srgrimes */ 20911558Srgrimes names = strsep(&namelist, " \t\n"); 20921558Srgrimes name = strsep(&names, ":"); 20931558Srgrimes if (isdigit(*name) || *name == '-') 20941558Srgrimes pw = getpwuid(atoi(name)); 20951558Srgrimes else 20961558Srgrimes pw = getpwnam(name); 20971558Srgrimes /* 20981558Srgrimes * Credentials specified as those of a user. 20991558Srgrimes */ 21001558Srgrimes if (names == NULL) { 21011558Srgrimes if (pw == NULL) { 210237663Scharnier syslog(LOG_ERR, "unknown user: %s", name); 21031558Srgrimes return; 21041558Srgrimes } 21051558Srgrimes cr->cr_uid = pw->pw_uid; 21061558Srgrimes ngroups = NGROUPS + 1; 21071558Srgrimes if (getgrouplist(pw->pw_name, pw->pw_gid, groups, &ngroups)) 210837663Scharnier syslog(LOG_ERR, "too many groups"); 21091558Srgrimes /* 21101558Srgrimes * Convert from int's to gid_t's and compress out duplicate 21111558Srgrimes */ 21121558Srgrimes cr->cr_ngroups = ngroups - 1; 21131558Srgrimes cr->cr_groups[0] = groups[0]; 21141558Srgrimes for (cnt = 2; cnt < ngroups; cnt++) 21151558Srgrimes cr->cr_groups[cnt - 1] = groups[cnt]; 21161558Srgrimes return; 21171558Srgrimes } 21181558Srgrimes /* 21191558Srgrimes * Explicit credential specified as a colon separated list: 21201558Srgrimes * uid:gid:gid:... 21211558Srgrimes */ 21221558Srgrimes if (pw != NULL) 21231558Srgrimes cr->cr_uid = pw->pw_uid; 21241558Srgrimes else if (isdigit(*name) || *name == '-') 21251558Srgrimes cr->cr_uid = atoi(name); 21261558Srgrimes else { 212737663Scharnier syslog(LOG_ERR, "unknown user: %s", name); 21281558Srgrimes return; 21291558Srgrimes } 21301558Srgrimes cr->cr_ngroups = 0; 21311558Srgrimes while (names != NULL && *names != '\0' && cr->cr_ngroups < NGROUPS) { 21321558Srgrimes name = strsep(&names, ":"); 21331558Srgrimes if (isdigit(*name) || *name == '-') { 21341558Srgrimes cr->cr_groups[cr->cr_ngroups++] = atoi(name); 21351558Srgrimes } else { 21361558Srgrimes if ((gr = getgrnam(name)) == NULL) { 213737663Scharnier syslog(LOG_ERR, "unknown group: %s", name); 21381558Srgrimes continue; 21391558Srgrimes } 21401558Srgrimes cr->cr_groups[cr->cr_ngroups++] = gr->gr_gid; 21411558Srgrimes } 21421558Srgrimes } 21431558Srgrimes if (names != NULL && *names != '\0' && cr->cr_ngroups == NGROUPS) 214437663Scharnier syslog(LOG_ERR, "too many groups"); 21451558Srgrimes} 21461558Srgrimes 21471558Srgrimes#define STRSIZ (RPCMNT_NAMELEN+RPCMNT_PATHLEN+50) 21481558Srgrimes/* 21491558Srgrimes * Routines that maintain the remote mounttab 21501558Srgrimes */ 21511558Srgrimesvoid 21521558Srgrimesget_mountlist() 21531558Srgrimes{ 21541558Srgrimes struct mountlist *mlp, **mlpp; 215523681Speter char *host, *dirp, *cp; 21561558Srgrimes char str[STRSIZ]; 21571558Srgrimes FILE *mlfile; 21581558Srgrimes 21591558Srgrimes if ((mlfile = fopen(_PATH_RMOUNTLIST, "r")) == NULL) { 216053117Sbillf if (errno == ENOENT) 216153117Sbillf return; 216253117Sbillf else { 216353117Sbillf syslog(LOG_ERR, "can't open %s", _PATH_RMOUNTLIST); 216453117Sbillf return; 216553117Sbillf } 21661558Srgrimes } 21671558Srgrimes mlpp = &mlhead; 21681558Srgrimes while (fgets(str, STRSIZ, mlfile) != NULL) { 216923681Speter cp = str; 217023681Speter host = strsep(&cp, " \t\n"); 217123681Speter dirp = strsep(&cp, " \t\n"); 217223681Speter if (host == NULL || dirp == NULL) 21731558Srgrimes continue; 21741558Srgrimes mlp = (struct mountlist *)malloc(sizeof (*mlp)); 217537663Scharnier if (mlp == (struct mountlist *)NULL) 217637663Scharnier out_of_mem(); 217723681Speter strncpy(mlp->ml_host, host, RPCMNT_NAMELEN); 217823681Speter mlp->ml_host[RPCMNT_NAMELEN] = '\0'; 217923681Speter strncpy(mlp->ml_dirp, dirp, RPCMNT_PATHLEN); 218023681Speter mlp->ml_dirp[RPCMNT_PATHLEN] = '\0'; 21811558Srgrimes mlp->ml_next = (struct mountlist *)NULL; 21821558Srgrimes *mlpp = mlp; 21831558Srgrimes mlpp = &mlp->ml_next; 21841558Srgrimes } 21851558Srgrimes fclose(mlfile); 21861558Srgrimes} 21871558Srgrimes 218874462Salfredint 218974462Salfreddel_mlist(hostp, dirp, saddr) 21901558Srgrimes char *hostp, *dirp; 219174462Salfred struct sockaddr *saddr; 21921558Srgrimes{ 21931558Srgrimes struct mountlist *mlp, **mlpp; 21941558Srgrimes struct mountlist *mlp2; 219574462Salfred u_short sport; 21961558Srgrimes FILE *mlfile; 21971558Srgrimes int fnd = 0; 219874462Salfred char host[NI_MAXHOST]; 21991558Srgrimes 220074462Salfred switch (saddr->sa_family) { 220174462Salfred case AF_INET6: 220274462Salfred sport = ntohs(((struct sockaddr_in6 *)saddr)->sin6_port); 220374462Salfred break; 220474462Salfred case AF_INET: 220574462Salfred sport = ntohs(((struct sockaddr_in *)saddr)->sin_port); 220674462Salfred break; 220774462Salfred default: 220874462Salfred return -1; 220974462Salfred } 22101558Srgrimes mlpp = &mlhead; 22111558Srgrimes mlp = mlhead; 22121558Srgrimes while (mlp) { 22131558Srgrimes if (!strcmp(mlp->ml_host, hostp) && 22141558Srgrimes (!dirp || !strcmp(mlp->ml_dirp, dirp))) { 22151558Srgrimes fnd = 1; 22161558Srgrimes mlp2 = mlp; 22171558Srgrimes *mlpp = mlp = mlp->ml_next; 22181558Srgrimes free((caddr_t)mlp2); 22191558Srgrimes } else { 22201558Srgrimes mlpp = &mlp->ml_next; 22211558Srgrimes mlp = mlp->ml_next; 22221558Srgrimes } 22231558Srgrimes } 22241558Srgrimes if (fnd) { 22251558Srgrimes if ((mlfile = fopen(_PATH_RMOUNTLIST, "w")) == NULL) { 222637663Scharnier syslog(LOG_ERR,"can't update %s", _PATH_RMOUNTLIST); 22271558Srgrimes return; 22281558Srgrimes } 22291558Srgrimes mlp = mlhead; 22301558Srgrimes while (mlp) { 22311558Srgrimes fprintf(mlfile, "%s %s\n", mlp->ml_host, mlp->ml_dirp); 22321558Srgrimes mlp = mlp->ml_next; 22331558Srgrimes } 22341558Srgrimes fclose(mlfile); 22351558Srgrimes } 22361558Srgrimes} 22371558Srgrimes 22381558Srgrimesvoid 22391558Srgrimesadd_mlist(hostp, dirp) 22401558Srgrimes char *hostp, *dirp; 22411558Srgrimes{ 22421558Srgrimes struct mountlist *mlp, **mlpp; 22431558Srgrimes FILE *mlfile; 22441558Srgrimes 22451558Srgrimes mlpp = &mlhead; 22461558Srgrimes mlp = mlhead; 22471558Srgrimes while (mlp) { 22481558Srgrimes if (!strcmp(mlp->ml_host, hostp) && !strcmp(mlp->ml_dirp, dirp)) 22491558Srgrimes return; 22501558Srgrimes mlpp = &mlp->ml_next; 22511558Srgrimes mlp = mlp->ml_next; 22521558Srgrimes } 22531558Srgrimes mlp = (struct mountlist *)malloc(sizeof (*mlp)); 225437663Scharnier if (mlp == (struct mountlist *)NULL) 225537663Scharnier out_of_mem(); 22561558Srgrimes strncpy(mlp->ml_host, hostp, RPCMNT_NAMELEN); 22571558Srgrimes mlp->ml_host[RPCMNT_NAMELEN] = '\0'; 22581558Srgrimes strncpy(mlp->ml_dirp, dirp, RPCMNT_PATHLEN); 22591558Srgrimes mlp->ml_dirp[RPCMNT_PATHLEN] = '\0'; 22601558Srgrimes mlp->ml_next = (struct mountlist *)NULL; 22611558Srgrimes *mlpp = mlp; 22621558Srgrimes if ((mlfile = fopen(_PATH_RMOUNTLIST, "a")) == NULL) { 226337663Scharnier syslog(LOG_ERR, "can't update %s", _PATH_RMOUNTLIST); 22641558Srgrimes return; 22651558Srgrimes } 22661558Srgrimes fprintf(mlfile, "%s %s\n", mlp->ml_host, mlp->ml_dirp); 22671558Srgrimes fclose(mlfile); 22681558Srgrimes} 22691558Srgrimes 22701558Srgrimes/* 22711558Srgrimes * Free up a group list. 22721558Srgrimes */ 22731558Srgrimesvoid 22741558Srgrimesfree_grp(grp) 22751558Srgrimes struct grouplist *grp; 22761558Srgrimes{ 227774462Salfred struct addrinfo *ai; 22781558Srgrimes 22791558Srgrimes if (grp->gr_type == GT_HOST) { 228074462Salfred if (grp->gr_ptr.gt_addrinfo != NULL) 228174462Salfred freeaddrinfo(grp->gr_ptr.gt_addrinfo); 22821558Srgrimes } else if (grp->gr_type == GT_NET) { 22831558Srgrimes if (grp->gr_ptr.gt_net.nt_name) 22841558Srgrimes free(grp->gr_ptr.gt_net.nt_name); 22851558Srgrimes } 22861558Srgrimes free((caddr_t)grp); 22871558Srgrimes} 22881558Srgrimes 22891558Srgrimes#ifdef DEBUG 22901558Srgrimesvoid 22911558SrgrimesSYSLOG(int pri, const char *fmt, ...) 22921558Srgrimes{ 22931558Srgrimes va_list ap; 22941558Srgrimes 22951558Srgrimes va_start(ap, fmt); 22961558Srgrimes vfprintf(stderr, fmt, ap); 22971558Srgrimes va_end(ap); 22981558Srgrimes} 22991558Srgrimes#endif /* DEBUG */ 23001558Srgrimes 23011558Srgrimes/* 23021558Srgrimes * Check options for consistency. 23031558Srgrimes */ 23041558Srgrimesint 23051558Srgrimescheck_options(dp) 23061558Srgrimes struct dirlist *dp; 23071558Srgrimes{ 23081558Srgrimes 23091558Srgrimes if (dp == (struct dirlist *)NULL) 23101558Srgrimes return (1); 23111558Srgrimes if ((opt_flags & (OP_MAPROOT | OP_MAPALL)) == (OP_MAPROOT | OP_MAPALL) || 23121558Srgrimes (opt_flags & (OP_MAPROOT | OP_KERB)) == (OP_MAPROOT | OP_KERB) || 23131558Srgrimes (opt_flags & (OP_MAPALL | OP_KERB)) == (OP_MAPALL | OP_KERB)) { 23141558Srgrimes syslog(LOG_ERR, "-mapall, -maproot and -kerb mutually exclusive"); 23151558Srgrimes return (1); 23161558Srgrimes } 23171558Srgrimes if ((opt_flags & OP_MASK) && (opt_flags & OP_NET) == 0) { 23181558Srgrimes syslog(LOG_ERR, "-mask requires -net"); 23191558Srgrimes return (1); 23201558Srgrimes } 23211558Srgrimes if ((opt_flags & OP_ALLDIRS) && dp->dp_left) { 232245927Salex syslog(LOG_ERR, "-alldirs has multiple directories"); 23231558Srgrimes return (1); 23241558Srgrimes } 23251558Srgrimes return (0); 23261558Srgrimes} 23271558Srgrimes 23281558Srgrimes/* 23291558Srgrimes * Check an absolute directory path for any symbolic links. Return true 23301558Srgrimes */ 23311558Srgrimesint 23321558Srgrimescheck_dirpath(dirp) 23331558Srgrimes char *dirp; 23341558Srgrimes{ 23351558Srgrimes char *cp; 23361558Srgrimes int ret = 1; 23371558Srgrimes struct stat sb; 23381558Srgrimes 23391558Srgrimes cp = dirp + 1; 23401558Srgrimes while (*cp && ret) { 23411558Srgrimes if (*cp == '/') { 23421558Srgrimes *cp = '\0'; 23439336Sdfr if (lstat(dirp, &sb) < 0 || !S_ISDIR(sb.st_mode)) 23441558Srgrimes ret = 0; 23451558Srgrimes *cp = '/'; 23461558Srgrimes } 23471558Srgrimes cp++; 23481558Srgrimes } 23499336Sdfr if (lstat(dirp, &sb) < 0 || !S_ISDIR(sb.st_mode)) 23501558Srgrimes ret = 0; 23511558Srgrimes return (ret); 23521558Srgrimes} 23539336Sdfr 23549336Sdfr/* 23559336Sdfr * Just translate an ascii string to an integer. 23569336Sdfr */ 23579336Sdfrint 23589336Sdfrget_num(cp) 23599336Sdfr register char *cp; 23609336Sdfr{ 23619336Sdfr register int res = 0; 23629336Sdfr 23639336Sdfr while (*cp) { 23649336Sdfr if (*cp < '0' || *cp > '9') 23659336Sdfr return (-1); 23669336Sdfr res = res * 10 + (*cp++ - '0'); 23679336Sdfr } 23689336Sdfr return (res); 23699336Sdfr} 237074462Salfred 237174462Salfredstatic int 237274462Salfrednetpartcmp(struct sockaddr *s1, struct sockaddr *s2, int bitlen) 237374462Salfred{ 237474462Salfred void *src, *dst; 237574462Salfred 237674462Salfred if (s1->sa_family != s2->sa_family) 237774462Salfred return 1; 237874462Salfred 237974462Salfred switch (s1->sa_family) { 238074462Salfred case AF_INET: 238174462Salfred src = &((struct sockaddr_in *)s1)->sin_addr; 238274462Salfred dst = &((struct sockaddr_in *)s2)->sin_addr; 238374462Salfred if (bitlen > sizeof(((struct sockaddr_in *)s1)->sin_addr) * 8) 238474462Salfred return 1; 238574462Salfred break; 238674462Salfred case AF_INET6: 238774462Salfred src = &((struct sockaddr_in6 *)s1)->sin6_addr; 238874462Salfred dst = &((struct sockaddr_in6 *)s2)->sin6_addr; 238974462Salfred if (((struct sockaddr_in6 *)s1)->sin6_scope_id != 239074462Salfred ((struct sockaddr_in6 *)s2)->sin6_scope_id) 239174462Salfred return 1; 239274462Salfred if (bitlen > sizeof(((struct sockaddr_in6 *)s1)->sin6_addr) * 8) 239374462Salfred return 1; 239474462Salfred break; 239574462Salfred default: 239674462Salfred return 1; 239774462Salfred } 239874462Salfred 239974462Salfred return bitcmp(src, dst, bitlen); 240074462Salfred} 240174462Salfred 240274462Salfredstatic int 240374462Salfredallones(struct sockaddr_storage *ssp, int bitlen) 240474462Salfred{ 240574462Salfred u_int8_t *p; 240674462Salfred int bytelen, bitsleft, i; 240774462Salfred int zerolen; 240874462Salfred 240974462Salfred switch (ssp->ss_family) { 241074462Salfred case AF_INET: 241174462Salfred p = (u_int8_t *)&((struct sockaddr_in *)ssp)->sin_addr; 241274462Salfred zerolen = sizeof (((struct sockaddr_in *)ssp)->sin_addr); 241374462Salfred break; 241474462Salfred case AF_INET6: 241574462Salfred p = (u_int8_t *)&((struct sockaddr_in6 *)ssp)->sin6_addr; 241674462Salfred zerolen = sizeof (((struct sockaddr_in6 *)ssp)->sin6_addr); 241774462Salfred break; 241874462Salfred default: 241974462Salfred return -1; 242074462Salfred } 242174462Salfred 242274462Salfred memset(p, 0, zerolen); 242374462Salfred 242474462Salfred bytelen = bitlen / 8; 242574462Salfred bitsleft = bitlen % 8; 242674462Salfred 242774462Salfred if (bytelen > zerolen) 242874462Salfred return -1; 242974462Salfred 243074462Salfred for (i = 0; i < bytelen; i++) 243174462Salfred *p++ = 0xff; 243274462Salfred 243374462Salfred for (i = 0; i < bitsleft; i++) 243474462Salfred *p |= 1 << (7 - i); 243574462Salfred 243674462Salfred return 0; 243774462Salfred} 243874462Salfred 243974462Salfredstatic int 244074462Salfredcountones(struct sockaddr *sa) 244174462Salfred{ 244274462Salfred void *mask; 244374462Salfred int i, bits = 0, bytelen; 244474462Salfred u_int8_t *p; 244574462Salfred 244674462Salfred switch (sa->sa_family) { 244774462Salfred case AF_INET: 244874462Salfred mask = (u_int8_t *)&((struct sockaddr_in *)sa)->sin_addr; 244974462Salfred bytelen = 4; 245074462Salfred break; 245174462Salfred case AF_INET6: 245274462Salfred mask = (u_int8_t *)&((struct sockaddr_in6 *)sa)->sin6_addr; 245374462Salfred bytelen = 16; 245474462Salfred break; 245574462Salfred default: 245674462Salfred return 0; 245774462Salfred } 245874462Salfred 245974462Salfred p = mask; 246074462Salfred 246174462Salfred for (i = 0; i < bytelen; i++, p++) { 246274462Salfred if (*p != 0xff) { 246374462Salfred for (bits = 0; bits < 8; bits++) { 246474462Salfred if (!(*p & (1 << (7 - bits)))) 246574462Salfred break; 246674462Salfred } 246774462Salfred break; 246874462Salfred } 246974462Salfred } 247074462Salfred 247174462Salfred return (i * 8 + bits); 247274462Salfred} 247374462Salfred 247474462Salfredstatic int 247574462Salfredsacmp(struct sockaddr *sa1, struct sockaddr *sa2) 247674462Salfred{ 247774462Salfred void *p1, *p2; 247874462Salfred int len; 247974462Salfred 248074462Salfred if (sa1->sa_family != sa2->sa_family) 248174462Salfred return 1; 248274462Salfred 248374462Salfred switch (sa1->sa_family) { 248474462Salfred case AF_INET: 248574462Salfred p1 = &((struct sockaddr_in *)sa1)->sin_addr; 248674462Salfred p2 = &((struct sockaddr_in *)sa2)->sin_addr; 248774462Salfred len = 4; 248874462Salfred break; 248974462Salfred case AF_INET6: 249074462Salfred p1 = &((struct sockaddr_in6 *)sa1)->sin6_addr; 249174462Salfred p2 = &((struct sockaddr_in6 *)sa2)->sin6_addr; 249274462Salfred len = 16; 249374462Salfred if (((struct sockaddr_in6 *)sa1)->sin6_scope_id != 249474462Salfred ((struct sockaddr_in6 *)sa2)->sin6_scope_id) 249574462Salfred return 1; 249674462Salfred break; 249774462Salfred default: 249874462Salfred return 1; 249974462Salfred } 250074462Salfred 250174462Salfred return memcmp(p1, p2, len); 250274462Salfred} 250374462Salfred 250474462Salfredvoid terminate(sig) 250574462Salfredint sig; 250674462Salfred{ 250774462Salfred close(mountdlockfd); 250874462Salfred unlink(MOUNTDLOCK); 250974792Salfred rpcb_unset(RPCPROG_MNT, RPCMNT_VER1, NULL); 251074792Salfred rpcb_unset(RPCPROG_MNT, RPCMNT_VER3, NULL); 251174462Salfred exit (0); 251274462Salfred} 2513