diff options
Diffstat (limited to 'usr.sbin/rpcbind/rpcbind.c')
-rw-r--r-- | usr.sbin/rpcbind/rpcbind.c | 855 |
1 files changed, 0 insertions, 855 deletions
diff --git a/usr.sbin/rpcbind/rpcbind.c b/usr.sbin/rpcbind/rpcbind.c deleted file mode 100644 index 5a76a68..0000000 --- a/usr.sbin/rpcbind/rpcbind.c +++ /dev/null @@ -1,855 +0,0 @@ -/* $NetBSD: rpcbind.c,v 1.3 2002/11/08 00:16:40 fvdl Exp $ */ -/* $FreeBSD$ */ - -/* - * Sun RPC is a product of Sun Microsystems, Inc. and is provided for - * unrestricted use provided that this legend is included on all tape - * media and as a part of the software program in whole or part. Users - * may copy or modify Sun RPC without charge, but are not authorized - * to license or distribute it to anyone else except as part of a product or - * program developed by the user. - * - * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE - * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR - * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. - * - * Sun RPC is provided with no support and without any obligation on the - * part of Sun Microsystems, Inc. to assist in its use, correction, - * modification or enhancement. - * - * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE - * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC - * OR ANY PART THEREOF. - * - * In no event will Sun Microsystems, Inc. be liable for any lost revenue - * or profits or other special, indirect and consequential damages, even if - * Sun has been advised of the possibility of such damages. - * - * Sun Microsystems, Inc. - * 2550 Garcia Avenue - * Mountain View, California 94043 - */ -/* - * Copyright (c) 1984 - 1991 by Sun Microsystems, Inc. - */ - -/* #ident "@(#)rpcbind.c 1.19 94/04/25 SMI" */ - -#if 0 -#ifndef lint -static char sccsid[] = "@(#)rpcbind.c 1.35 89/04/21 Copyr 1984 Sun Micro"; -#endif -#endif - -/* - * rpcbind.c - * Implements the program, version to address mapping for rpc. - * - */ - -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/errno.h> -#include <sys/time.h> -#include <sys/resource.h> -#include <sys/wait.h> -#include <sys/signal.h> -#include <sys/socket.h> -#include <sys/un.h> -#include <rpc/rpc.h> -#include <rpc/rpc_com.h> -#ifdef PORTMAP -#include <netinet/in.h> -#endif -#include <arpa/inet.h> -#include <fcntl.h> -#include <netdb.h> -#include <stdio.h> -#include <netconfig.h> -#include <stdlib.h> -#include <unistd.h> -#include <syslog.h> -#include <err.h> -#include <libutil.h> -#include <pwd.h> -#include <string.h> -#include <errno.h> -#include "rpcbind.h" - -/* Global variables */ -int debugging = 0; /* Tell me what's going on */ -int doabort = 0; /* When debugging, do an abort on errors */ -rpcblist_ptr list_rbl; /* A list of version 3/4 rpcbind services */ - -/* who to suid to if -s is given */ -#define RUN_AS "daemon" - -#define RPCBINDDLOCK "/var/run/rpcbind.lock" - -int runasdaemon = 0; -int insecure = 0; -int oldstyle_local = 0; -int verboselog = 0; - -char **hosts = NULL; -struct sockaddr **bound_sa; -int ipv6_only = 0; -int nhosts = 0; -int on = 1; -int rpcbindlockfd; - -#ifdef WARMSTART -/* Local Variable */ -static int warmstart = 0; /* Grab an old copy of registrations. */ -#endif - -#ifdef PORTMAP -struct pmaplist *list_pml; /* A list of version 2 rpcbind services */ -char *udptrans; /* Name of UDP transport */ -char *tcptrans; /* Name of TCP transport */ -char *udp_uaddr; /* Universal UDP address */ -char *tcp_uaddr; /* Universal TCP address */ -#endif -static char servname[] = "rpcbind"; -static char superuser[] = "superuser"; - -int main(int, char *[]); - -static int init_transport(struct netconfig *); -static void rbllist_add(rpcprog_t, rpcvers_t, struct netconfig *, - struct netbuf *); -static void terminate(int); -static void parseargs(int, char *[]); -static void update_bound_sa(void); - -int -main(int argc, char *argv[]) -{ - struct netconfig *nconf; - void *nc_handle; /* Net config handle */ - struct rlimit rl; - int maxrec = RPC_MAXDATASIZE; - - parseargs(argc, argv); - - update_bound_sa(); - - /* Check that another rpcbind isn't already running. */ - if ((rpcbindlockfd = (open(RPCBINDDLOCK, - O_RDONLY|O_CREAT, 0444))) == -1) - err(1, "%s", RPCBINDDLOCK); - - if(flock(rpcbindlockfd, LOCK_EX|LOCK_NB) == -1 && errno == EWOULDBLOCK) - errx(1, "another rpcbind is already running. Aborting"); - - getrlimit(RLIMIT_NOFILE, &rl); - if (rl.rlim_cur < 128) { - if (rl.rlim_max <= 128) - rl.rlim_cur = rl.rlim_max; - else - rl.rlim_cur = 128; - setrlimit(RLIMIT_NOFILE, &rl); - } - openlog("rpcbind", LOG_CONS, LOG_DAEMON); - if (geteuid()) { /* This command allowed only to root */ - fprintf(stderr, "Sorry. You are not superuser\n"); - exit(1); - } - nc_handle = setnetconfig(); /* open netconfig file */ - if (nc_handle == NULL) { - syslog(LOG_ERR, "could not read /etc/netconfig"); - exit(1); - } -#ifdef PORTMAP - udptrans = ""; - tcptrans = ""; -#endif - - nconf = getnetconfigent("local"); - if (nconf == NULL) - nconf = getnetconfigent("unix"); - if (nconf == NULL) { - syslog(LOG_ERR, "%s: can't find local transport\n", argv[0]); - exit(1); - } - - rpc_control(RPC_SVC_CONNMAXREC_SET, &maxrec); - - init_transport(nconf); - - while ((nconf = getnetconfig(nc_handle))) { - if (nconf->nc_flag & NC_VISIBLE) - if (ipv6_only == 1 && strcmp(nconf->nc_protofmly, - "inet") == 0) { - /* DO NOTHING */ - } else - init_transport(nconf); - } - endnetconfig(nc_handle); - - /* catch the usual termination signals for graceful exit */ - (void) signal(SIGCHLD, reap); - (void) signal(SIGINT, terminate); - (void) signal(SIGTERM, terminate); - (void) signal(SIGQUIT, terminate); - /* ignore others that could get sent */ - (void) signal(SIGPIPE, SIG_IGN); - (void) signal(SIGHUP, SIG_IGN); - (void) signal(SIGUSR1, SIG_IGN); - (void) signal(SIGUSR2, SIG_IGN); -#ifdef WARMSTART - if (warmstart) { - read_warmstart(); - } -#endif - if (debugging) { - printf("rpcbind debugging enabled."); - if (doabort) { - printf(" Will abort on errors!\n"); - } else { - printf("\n"); - } - } else { - if (daemon(0, 0)) - err(1, "fork failed"); - } - - if (runasdaemon) { - struct passwd *p; - - if((p = getpwnam(RUN_AS)) == NULL) { - syslog(LOG_ERR, "cannot get uid of daemon: %m"); - exit(1); - } - if (setuid(p->pw_uid) == -1) { - syslog(LOG_ERR, "setuid to daemon failed: %m"); - exit(1); - } - } - - network_init(); - - my_svc_run(); - syslog(LOG_ERR, "svc_run returned unexpectedly"); - rpcbind_abort(); - /* NOTREACHED */ - - return 0; -} - -/* - * Adds the entry into the rpcbind database. - * If PORTMAP, then for UDP and TCP, it adds the entries for version 2 also - * Returns 0 if succeeds, else fails - */ -static int -init_transport(struct netconfig *nconf) -{ - int fd; - struct t_bind taddr; - struct addrinfo hints, *res = NULL; - struct __rpc_sockinfo si; - SVCXPRT *my_xprt; - int status; /* bound checking ? */ - int aicode; - int addrlen; - int nhostsbak; - int bound; - struct sockaddr *sa; - u_int32_t host_addr[4]; /* IPv4 or IPv6 */ - struct sockaddr_un sun; - mode_t oldmask; - - if ((nconf->nc_semantics != NC_TPI_CLTS) && - (nconf->nc_semantics != NC_TPI_COTS) && - (nconf->nc_semantics != NC_TPI_COTS_ORD)) - return (1); /* not my type */ -#ifdef ND_DEBUG - if (debugging) { - int i; - char **s; - - (void)fprintf(stderr, "%s: %ld lookup routines :\n", - nconf->nc_netid, nconf->nc_nlookups); - for (i = 0, s = nconf->nc_lookups; i < nconf->nc_nlookups; - i++, s++) - fprintf(stderr, "[%d] - %s\n", i, *s); - } -#endif - - /* - * XXX - using RPC library internal functions. - */ - if ((strcmp(nconf->nc_netid, "local") == 0) || - (strcmp(nconf->nc_netid, "unix") == 0)) { - /* - * For other transports we call this later, for each socket we - * like to bind. - */ - if ((fd = __rpc_nconf2fd(nconf)) < 0) { - int non_fatal = 0; - if (errno == EPROTONOSUPPORT) - non_fatal = 1; - syslog(non_fatal?LOG_DEBUG:LOG_ERR, "cannot create socket for %s", - nconf->nc_netid); - return (1); - } - } - - if (!__rpc_nconf2sockinfo(nconf, &si)) { - syslog(LOG_ERR, "cannot get information for %s", - nconf->nc_netid); - return (1); - } - - if ((strcmp(nconf->nc_netid, "local") == 0) || - (strcmp(nconf->nc_netid, "unix") == 0)) { - memset(&sun, 0, sizeof sun); - sun.sun_family = AF_LOCAL; - unlink(_PATH_RPCBINDSOCK); - strcpy(sun.sun_path, _PATH_RPCBINDSOCK); - sun.sun_len = SUN_LEN(&sun); - addrlen = sizeof (struct sockaddr_un); - sa = (struct sockaddr *)&sun; - } else { - /* Get rpcbind's address on this transport */ - - memset(&hints, 0, sizeof hints); - hints.ai_flags = AI_PASSIVE; - hints.ai_family = si.si_af; - hints.ai_socktype = si.si_socktype; - hints.ai_protocol = si.si_proto; - } - - if ((strcmp(nconf->nc_netid, "local") != 0) && - (strcmp(nconf->nc_netid, "unix") != 0)) { - /* - * If no hosts were specified, just bind to INADDR_ANY. - * Otherwise make sure 127.0.0.1 is added to the list. - */ - nhostsbak = nhosts + 1; - hosts = realloc(hosts, nhostsbak * sizeof(char *)); - if (nhostsbak == 1) - hosts[0] = "*"; - else { - if (hints.ai_family == AF_INET) { - hosts[nhostsbak - 1] = "127.0.0.1"; - } else if (hints.ai_family == AF_INET6) { - hosts[nhostsbak - 1] = "::1"; - } else - return 1; - } - - /* - * Bind to specific IPs if asked to - */ - bound = 0; - while (nhostsbak > 0) { - --nhostsbak; - /* - * XXX - using RPC library internal functions. - */ - if ((fd = __rpc_nconf2fd(nconf)) < 0) { - int non_fatal = 0; - if (errno == EPROTONOSUPPORT && - nconf->nc_semantics != NC_TPI_CLTS) - non_fatal = 1; - syslog(non_fatal ? LOG_DEBUG : LOG_ERR, - "cannot create socket for %s", nconf->nc_netid); - return (1); - } - switch (hints.ai_family) { - case AF_INET: - if (inet_pton(AF_INET, hosts[nhostsbak], - host_addr) == 1) { - hints.ai_flags &= AI_NUMERICHOST; - } else { - /* - * Skip if we have an AF_INET6 adress. - */ - if (inet_pton(AF_INET6, - hosts[nhostsbak], host_addr) == 1) { - close(fd); - continue; - } - } - break; - case AF_INET6: - if (inet_pton(AF_INET6, hosts[nhostsbak], - host_addr) == 1) { - hints.ai_flags &= AI_NUMERICHOST; - } else { - /* - * Skip if we have an AF_INET adress. - */ - if (inet_pton(AF_INET, hosts[nhostsbak], - host_addr) == 1) { - close(fd); - continue; - } - } - if (setsockopt(fd, IPPROTO_IPV6, - IPV6_V6ONLY, &on, sizeof on) < 0) { - syslog(LOG_ERR, - "can't set v6-only binding for " - "ipv6 socket: %m"); - continue; - } - break; - default: - break; - } - - /* - * If no hosts were specified, just bind to INADDR_ANY - */ - if (strcmp("*", hosts[nhostsbak]) == 0) - hosts[nhostsbak] = NULL; - if ((strcmp(nconf->nc_netid, "local") != 0) && - (strcmp(nconf->nc_netid, "unix") != 0)) { - if ((aicode = getaddrinfo(hosts[nhostsbak], - servname, &hints, &res)) != 0) { - syslog(LOG_ERR, - "cannot get local address for %s: %s", - nconf->nc_netid, gai_strerror(aicode)); - continue; - } - addrlen = res->ai_addrlen; - sa = (struct sockaddr *)res->ai_addr; - } - oldmask = umask(S_IXUSR|S_IXGRP|S_IXOTH); - if (bind(fd, sa, addrlen) != 0) { - syslog(LOG_ERR, "cannot bind %s on %s: %m", - (hosts[nhostsbak] == NULL) ? "*" : - hosts[nhostsbak], nconf->nc_netid); - if (res != NULL) - freeaddrinfo(res); - continue; - } else - bound = 1; - (void)umask(oldmask); - - /* Copy the address */ - taddr.addr.len = taddr.addr.maxlen = addrlen; - taddr.addr.buf = malloc(addrlen); - if (taddr.addr.buf == NULL) { - syslog(LOG_ERR, - "cannot allocate memory for %s address", - nconf->nc_netid); - if (res != NULL) - freeaddrinfo(res); - return 1; - } - memcpy(taddr.addr.buf, sa, addrlen); -#ifdef ND_DEBUG - if (debugging) { - /* - * for debugging print out our universal - * address - */ - char *uaddr; - struct netbuf nb; - - nb.buf = sa; - nb.len = nb.maxlen = sa->sa_len; - uaddr = taddr2uaddr(nconf, &nb); - (void)fprintf(stderr, - "rpcbind : my address is %s\n", uaddr); - (void)free(uaddr); - } -#endif - - if (nconf->nc_semantics != NC_TPI_CLTS) - listen(fd, SOMAXCONN); - - my_xprt = (SVCXPRT *)svc_tli_create(fd, nconf, &taddr, - RPC_MAXDATASIZE, RPC_MAXDATASIZE); - if (my_xprt == (SVCXPRT *)NULL) { - syslog(LOG_ERR, "%s: could not create service", - nconf->nc_netid); - goto error; - } - } - if (!bound) - return 1; - } else { - oldmask = umask(S_IXUSR|S_IXGRP|S_IXOTH); - if (bind(fd, sa, addrlen) < 0) { - syslog(LOG_ERR, "cannot bind %s: %m", nconf->nc_netid); - if (res != NULL) - freeaddrinfo(res); - return 1; - } - (void) umask(oldmask); - - /* Copy the address */ - taddr.addr.len = taddr.addr.maxlen = addrlen; - taddr.addr.buf = malloc(addrlen); - if (taddr.addr.buf == NULL) { - syslog(LOG_ERR, "cannot allocate memory for %s address", - nconf->nc_netid); - if (res != NULL) - freeaddrinfo(res); - return 1; - } - memcpy(taddr.addr.buf, sa, addrlen); -#ifdef ND_DEBUG - if (debugging) { - /* for debugging print out our universal address */ - char *uaddr; - struct netbuf nb; - - nb.buf = sa; - nb.len = nb.maxlen = sa->sa_len; - uaddr = taddr2uaddr(nconf, &nb); - (void) fprintf(stderr, "rpcbind : my address is %s\n", - uaddr); - (void) free(uaddr); - } -#endif - - if (nconf->nc_semantics != NC_TPI_CLTS) - listen(fd, SOMAXCONN); - - my_xprt = (SVCXPRT *)svc_tli_create(fd, nconf, &taddr, - RPC_MAXDATASIZE, RPC_MAXDATASIZE); - if (my_xprt == (SVCXPRT *)NULL) { - syslog(LOG_ERR, "%s: could not create service", - nconf->nc_netid); - goto error; - } - } - -#ifdef PORTMAP - /* - * Register both the versions for tcp/ip, udp/ip and local. - */ - if ((strcmp(nconf->nc_protofmly, NC_INET) == 0 && - (strcmp(nconf->nc_proto, NC_TCP) == 0 || - strcmp(nconf->nc_proto, NC_UDP) == 0)) || - (strcmp(nconf->nc_netid, "unix") == 0) || - (strcmp(nconf->nc_netid, "local") == 0)) { - struct pmaplist *pml; - - if (!svc_register(my_xprt, PMAPPROG, PMAPVERS, - pmap_service, 0)) { - syslog(LOG_ERR, "could not register on %s", - nconf->nc_netid); - goto error; - } - pml = malloc(sizeof (struct pmaplist)); - if (pml == NULL) { - syslog(LOG_ERR, "no memory!"); - exit(1); - } - pml->pml_map.pm_prog = PMAPPROG; - pml->pml_map.pm_vers = PMAPVERS; - pml->pml_map.pm_port = PMAPPORT; - if (strcmp(nconf->nc_proto, NC_TCP) == 0) { - if (tcptrans[0]) { - syslog(LOG_ERR, - "cannot have more than one TCP transport"); - goto error; - } - tcptrans = strdup(nconf->nc_netid); - pml->pml_map.pm_prot = IPPROTO_TCP; - - /* Let's snarf the universal address */ - /* "h1.h2.h3.h4.p1.p2" */ - tcp_uaddr = taddr2uaddr(nconf, &taddr.addr); - } else if (strcmp(nconf->nc_proto, NC_UDP) == 0) { - if (udptrans[0]) { - syslog(LOG_ERR, - "cannot have more than one UDP transport"); - goto error; - } - udptrans = strdup(nconf->nc_netid); - pml->pml_map.pm_prot = IPPROTO_UDP; - - /* Let's snarf the universal address */ - /* "h1.h2.h3.h4.p1.p2" */ - udp_uaddr = taddr2uaddr(nconf, &taddr.addr); - } else if (strcmp(nconf->nc_netid, "local") == 0) - pml->pml_map.pm_prot = IPPROTO_ST; - else if (strcmp(nconf->nc_netid, "unix") == 0) - pml->pml_map.pm_prot = IPPROTO_ST; - pml->pml_next = list_pml; - list_pml = pml; - - /* Add version 3 information */ - pml = malloc(sizeof (struct pmaplist)); - if (pml == NULL) { - syslog(LOG_ERR, "no memory!"); - exit(1); - } - pml->pml_map = list_pml->pml_map; - pml->pml_map.pm_vers = RPCBVERS; - pml->pml_next = list_pml; - list_pml = pml; - - /* Add version 4 information */ - pml = malloc (sizeof (struct pmaplist)); - if (pml == NULL) { - syslog(LOG_ERR, "no memory!"); - exit(1); - } - pml->pml_map = list_pml->pml_map; - pml->pml_map.pm_vers = RPCBVERS4; - pml->pml_next = list_pml; - list_pml = pml; - - /* Also add version 2 stuff to rpcbind list */ - rbllist_add(PMAPPROG, PMAPVERS, nconf, &taddr.addr); - } -#endif - - /* version 3 registration */ - if (!svc_reg(my_xprt, RPCBPROG, RPCBVERS, rpcb_service_3, NULL)) { - syslog(LOG_ERR, "could not register %s version 3", - nconf->nc_netid); - goto error; - } - rbllist_add(RPCBPROG, RPCBVERS, nconf, &taddr.addr); - - /* version 4 registration */ - if (!svc_reg(my_xprt, RPCBPROG, RPCBVERS4, rpcb_service_4, NULL)) { - syslog(LOG_ERR, "could not register %s version 4", - nconf->nc_netid); - goto error; - } - rbllist_add(RPCBPROG, RPCBVERS4, nconf, &taddr.addr); - - /* decide if bound checking works for this transport */ - status = add_bndlist(nconf, &taddr.addr); -#ifdef BIND_DEBUG - if (debugging) { - if (status < 0) { - fprintf(stderr, "Error in finding bind status for %s\n", - nconf->nc_netid); - } else if (status == 0) { - fprintf(stderr, "check binding for %s\n", - nconf->nc_netid); - } else if (status > 0) { - fprintf(stderr, "No check binding for %s\n", - nconf->nc_netid); - } - } -#endif - /* - * rmtcall only supported on CLTS transports for now. - */ - if (nconf->nc_semantics == NC_TPI_CLTS) { - status = create_rmtcall_fd(nconf); - -#ifdef BIND_DEBUG - if (debugging) { - if (status < 0) { - fprintf(stderr, - "Could not create rmtcall fd for %s\n", - nconf->nc_netid); - } else { - fprintf(stderr, "rmtcall fd for %s is %d\n", - nconf->nc_netid, status); - } - } -#endif - } - return (0); -error: - close(fd); - return (1); -} - -/* - * Create the list of addresses that we're bound to. Normally, this - * list is empty because we're listening on the wildcard address - * (nhost == 0). If -h is specified on the command line, then - * bound_sa will have a list of the addresses that the program binds - * to specifically. This function takes that list and converts them to - * struct sockaddr * and stores them in bound_sa. - */ -static void -update_bound_sa(void) -{ - struct addrinfo hints, *res = NULL; - int i; - - if (nhosts == 0) - return; - bound_sa = malloc(sizeof(*bound_sa) * nhosts); - memset(&hints, 0, sizeof(hints)); - hints.ai_family = PF_UNSPEC; - for (i = 0; i < nhosts; i++) { - if (getaddrinfo(hosts[i], NULL, &hints, &res) != 0) - continue; - bound_sa[i] = malloc(res->ai_addrlen); - memcpy(bound_sa[i], res->ai_addr, res->ai_addrlen); - } -} - -/* - * Match the sa against the list of addresses we've bound to. If - * we've not specifically bound to anything, we match everything. - * Otherwise, if the IPv4 or IPv6 address matches one of the addresses - * in bound_sa, we return true. If not, we return false. - */ -int -listen_addr(const struct sockaddr *sa) -{ - int i; - - /* - * If nhosts == 0, then there were no -h options on the - * command line, so all addresses are addresses we're - * listening to. - */ - if (nhosts == 0) - return 1; - for (i = 0; i < nhosts; i++) { - if (bound_sa[i] == NULL || - sa->sa_family != bound_sa[i]->sa_family) - continue; - switch (sa->sa_family) { - case AF_INET: - if (memcmp(&SA2SINADDR(sa), &SA2SINADDR(bound_sa[i]), - sizeof(struct in_addr)) == 0) - return (1); - break; -#ifdef INET6 - case AF_INET6: - if (memcmp(&SA2SIN6ADDR(sa), &SA2SIN6ADDR(bound_sa[i]), - sizeof(struct in6_addr)) == 0) - return (1); - break; -#endif - default: - break; - } - } - return (0); -} - -static void -rbllist_add(rpcprog_t prog, rpcvers_t vers, struct netconfig *nconf, - struct netbuf *addr) -{ - rpcblist_ptr rbl; - - rbl = malloc(sizeof (rpcblist)); - if (rbl == NULL) { - syslog(LOG_ERR, "no memory!"); - exit(1); - } - - rbl->rpcb_map.r_prog = prog; - rbl->rpcb_map.r_vers = vers; - rbl->rpcb_map.r_netid = strdup(nconf->nc_netid); - rbl->rpcb_map.r_addr = taddr2uaddr(nconf, addr); - rbl->rpcb_map.r_owner = strdup(superuser); - rbl->rpcb_next = list_rbl; /* Attach to global list */ - list_rbl = rbl; -} - -/* - * Catch the signal and die - */ -static void -terminate(int dummy __unused) -{ - close(rpcbindlockfd); -#ifdef WARMSTART - syslog(LOG_ERR, - "rpcbind terminating on signal. Restart with \"rpcbind -w\""); - write_warmstart(); /* Dump yourself */ -#endif - exit(2); -} - -void -rpcbind_abort() -{ -#ifdef WARMSTART - write_warmstart(); /* Dump yourself */ -#endif - abort(); -} - -/* get command line options */ -static void -parseargs(int argc, char *argv[]) -{ - int c; - -#ifdef WARMSTART -#define WSOP "w" -#else -#define WSOP "" -#endif - while ((c = getopt(argc, argv, "6adh:iLls" WSOP)) != -1) { - switch (c) { - case '6': - ipv6_only = 1; - break; - case 'a': - doabort = 1; /* when debugging, do an abort on */ - break; /* errors; for rpcbind developers */ - /* only! */ - case 'd': - debugging = 1; - break; - case 'h': - ++nhosts; - hosts = realloc(hosts, nhosts * sizeof(char *)); - if (hosts == NULL) - errx(1, "Out of memory"); - hosts[nhosts - 1] = strdup(optarg); - if (hosts[nhosts - 1] == NULL) - errx(1, "Out of memory"); - break; - case 'i': - insecure = 1; - break; - case 'L': - oldstyle_local = 1; - break; - case 'l': - verboselog = 1; - break; - case 's': - runasdaemon = 1; - break; -#ifdef WARMSTART - case 'w': - warmstart = 1; - break; -#endif - default: /* error */ - fprintf(stderr, - "usage: rpcbind [-6adiLls%s] [-h bindip]\n", - WSOP); - exit (1); - } - } - if (doabort && !debugging) { - fprintf(stderr, - "-a (abort) specified without -d (debugging) -- ignored.\n"); - doabort = 0; - } -#undef WSOP -} - -void -reap(int dummy __unused) -{ - int save_errno = errno; - - while (wait3(NULL, WNOHANG, NULL) > 0) - ; - errno = save_errno; -} - -void -toggle_verboselog(int dummy __unused) -{ - verboselog = !verboselog; -} |