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authorjamie <jamie@FreeBSD.org>2010-10-19 21:32:13 +0000
committerjamie <jamie@FreeBSD.org>2010-10-19 21:32:13 +0000
commit09f9c897d33c41618ada06fbbcf1a9b3812dee53 (patch)
treeaf2ff90c73b266b86d086d66705c8cc92cce3b7b /usr.sbin/rpcbind/rpcbind.c
parent831bbfaf753dc145ab80d1807336d4fb9ef8dffe (diff)
downloadFreeBSD-src-09f9c897d33c41618ada06fbbcf1a9b3812dee53.zip
FreeBSD-src-09f9c897d33c41618ada06fbbcf1a9b3812dee53.tar.gz
A new jail(8) with a configuration file, to replace the work currently done
by /etc/rc.d/jail.
Diffstat (limited to 'usr.sbin/rpcbind/rpcbind.c')
-rw-r--r--usr.sbin/rpcbind/rpcbind.c855
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;
-}
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