diff options
Diffstat (limited to 'usr.sbin/rpc.yppasswdd/yppasswdd_main.c')
| -rw-r--r-- | usr.sbin/rpc.yppasswdd/yppasswdd_main.c | 353 |
1 files changed, 0 insertions, 353 deletions
diff --git a/usr.sbin/rpc.yppasswdd/yppasswdd_main.c b/usr.sbin/rpc.yppasswdd/yppasswdd_main.c deleted file mode 100644 index 8c89691..0000000 --- a/usr.sbin/rpc.yppasswdd/yppasswdd_main.c +++ /dev/null @@ -1,353 +0,0 @@ -/* - * Copyright (c) 1995, 1996 - * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Bill Paul. - * 4. Neither the name of the author nor the names of any co-contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/ioctl.h> -#include <sys/stat.h> -#include <sys/socket.h> -#include <sys/time.h> -#include <sys/resource.h> -#include <netinet/in.h> - -#include <err.h> -#include <errno.h> -#include <fcntl.h> -#include <memory.h> -#include <signal.h> -#include <stdio.h> -#include <stdlib.h> /* getenv, exit */ -#include <string.h> -#include <string.h> /* strcmp */ -#include <syslog.h> -#include <unistd.h> - -#include <rpc/rpc.h> -#include <rpc/rpc_com.h> -#include <rpc/pmap_clnt.h> /* for pmap_unset */ -#include <rpcsvc/yp.h> -#include <rpcsvc/ypclnt.h> - -#include "yppasswd.h" -#include "yppasswdd_extern.h" -#include "yppasswd_private.h" -#include "ypxfr_extern.h" -#include "yp_extern.h" - -#ifndef SIG_PF -#define SIG_PF void(*)(int) -#endif - -#ifdef DEBUG -#define RPC_SVC_FG -#endif - -#define _RPCSVC_CLOSEDOWN 120 -int _rpcpmstart = 0; /* Started by a port monitor ? */ -static int _rpcfdtype; - /* Whether Stream or Datagram ? */ - /* States a server can be in wrt request */ - -#define _IDLE 0 -#define _SERVED 1 -#define _SERVING 2 - -static char _localhost[] = "localhost"; -static char _passwd_byname[] = "passwd.byname"; -extern int _rpcsvcstate; /* Set when a request is serviced */ -static char _progname[] = "rpc.yppasswdd"; -char *progname = _progname; -static char _yp_dir[] = _PATH_YP; -char *yp_dir = _yp_dir; -static char _passfile_default[] = _PATH_YP "master.passwd"; -char *passfile_default = _passfile_default; -char *passfile; -char *yppasswd_domain = NULL; -int no_chsh = 0; -int no_chfn = 0; -int allow_additions = 0; -int multidomain = 0; -int verbose = 0; -int resvport = 1; -int inplace = 0; -char sockname[] = YP_SOCKNAME; - -static void -terminate(int sig __unused) -{ - rpcb_unset(YPPASSWDPROG, YPPASSWDVERS, NULL); - rpcb_unset(MASTER_YPPASSWDPROG, MASTER_YPPASSWDVERS, NULL); - unlink(sockname); - exit(0); -} - -static void -reload(int sig __unused) -{ - load_securenets(); -} - -static void -closedown(int sig __unused) -{ - if (_rpcsvcstate == _IDLE) { - extern fd_set svc_fdset; - static int size; - int i, openfd; - - if (_rpcfdtype == SOCK_DGRAM) { - unlink(sockname); - exit(0); - } - if (size == 0) { - size = getdtablesize(); - } - for (i = 0, openfd = 0; i < size && openfd < 2; i++) - if (FD_ISSET(i, &svc_fdset)) - openfd++; - if (openfd <= 1) { - unlink(sockname); - exit(0); - } - } - if (_rpcsvcstate == _SERVED) - _rpcsvcstate = _IDLE; - - (void) signal(SIGALRM, (SIG_PF) closedown); - (void) alarm(_RPCSVC_CLOSEDOWN/2); -} - -static void -usage(void) -{ - fprintf(stderr, "%s\n%s\n", -"usage: rpc.yppasswdd [-t master.passwd file] [-d domain] [-p path] [-s]", -" [-f] [-m] [-i] [-a] [-v] [-u] [-h]"); - exit(1); -} - -int -main(int argc, char *argv[]) -{ - struct rlimit rlim; - SVCXPRT *transp = NULL; - struct sockaddr_in saddr; - socklen_t asize = sizeof (saddr); - struct netconfig *nconf; - struct sigaction sa; - void *localhandle; - int ch; - char *mastername; - char myname[MAXHOSTNAMELEN + 2]; - int maxrec = RPC_MAXDATASIZE; - - extern int debug; - - debug = 1; - - while ((ch = getopt(argc, argv, "t:d:p:sfamuivh")) != -1) { - switch (ch) { - case 't': - passfile_default = optarg; - break; - case 'd': - yppasswd_domain = optarg; - break; - case 's': - no_chsh++; - break; - case 'f': - no_chfn++; - break; - case 'p': - yp_dir = optarg; - break; - case 'a': - allow_additions++; - break; - case 'm': - multidomain++; - break; - case 'i': - inplace++; - break; - case 'v': - verbose++; - break; - case 'u': - resvport = 0; - break; - default: - case 'h': - usage(); - break; - } - } - - if (yppasswd_domain == NULL) { - if (yp_get_default_domain(&yppasswd_domain)) { - yp_error("no domain specified and system domain \ -name isn't set -- aborting"); - usage(); - } - } - - load_securenets(); - - if (getrpcport(_localhost, YPPROG, YPVERS, IPPROTO_UDP) <= 0) { - yp_error("no ypserv processes registered with local portmap"); - yp_error("this host is not an NIS server -- aborting"); - exit(1); - } - - if ((mastername = ypxfr_get_master(yppasswd_domain, - _passwd_byname, _localhost, 0)) == NULL) { - yp_error("can't get name of NIS master server for domain %s", - yppasswd_domain); - exit(1); - } - - if (gethostname((char *)&myname, sizeof(myname)) == -1) { - yp_error("can't get local hostname: %s", strerror(errno)); - exit(1); - } - - if (strncasecmp(mastername, (char *)&myname, sizeof(myname))) { - yp_error("master of %s is %s, but we are %s", - "passwd.byname", mastername, myname); - yp_error("this host is not the NIS master server for \ -the %s domain -- aborting", yppasswd_domain); - exit(1); - } - - debug = 0; - - if (getsockname(0, (struct sockaddr *)&saddr, &asize) == 0) { - socklen_t ssize = sizeof (int); - if (saddr.sin_family != AF_INET) - exit(1); - if (getsockopt(0, SOL_SOCKET, SO_TYPE, - (char *)&_rpcfdtype, &ssize) == -1) - exit(1); - _rpcpmstart = 1; - } - - if (!debug && _rpcpmstart == 0) { - if (daemon(0,0)) { - err(1,"cannot fork"); - } - } - openlog("rpc.yppasswdd", LOG_PID, LOG_DAEMON); - memset(&sa, 0, sizeof(sa)); - sa.sa_flags = SA_NOCLDWAIT; - sigaction(SIGCHLD, &sa, NULL); - - rpcb_unset(YPPASSWDPROG, YPPASSWDVERS, NULL); - rpcb_unset(MASTER_YPPASSWDPROG, MASTER_YPPASSWDVERS, NULL); - - rpc_control(RPC_SVC_CONNMAXREC_SET, &maxrec); - - if (svc_create(yppasswdprog_1, YPPASSWDPROG, YPPASSWDVERS, "netpath") == 0) { - yp_error("cannot create yppasswd service."); - exit(1); - } - if (svc_create(master_yppasswdprog_1, MASTER_YPPASSWDPROG, - MASTER_YPPASSWDVERS, "netpath") == 0) { - yp_error("cannot create master_yppasswd service."); - exit(1); - } - - nconf = NULL; - localhandle = setnetconfig(); - while ((nconf = getnetconfig(localhandle)) != NULL) { - if (nconf->nc_protofmly != NULL && - strcmp(nconf->nc_protofmly, NC_LOOPBACK) == 0) - break; - } - if (nconf == NULL) { - yp_error("getnetconfigent unix: %s", nc_sperror()); - exit(1); - } - unlink(sockname); - transp = svcunix_create(RPC_ANYSOCK, 0, 0, sockname); - if (transp == NULL) { - yp_error("cannot create AF_LOCAL service."); - exit(1); - } - if (!svc_reg(transp, MASTER_YPPASSWDPROG, MASTER_YPPASSWDVERS, - master_yppasswdprog_1, nconf)) { - yp_error("unable to register (MASTER_YPPASSWDPROG, \ - MASTER_YPPASSWDVERS, unix)."); - exit(1); - } - endnetconfig(localhandle); - - /* Only root may connect() to the AF_UNIX link. */ - if (chmod(sockname, 0)) - err(1, "chmod of %s failed", sockname); - - if (transp == (SVCXPRT *)NULL) { - yp_error("could not create a handle"); - exit(1); - } - if (_rpcpmstart) { - (void) signal(SIGALRM, (SIG_PF) closedown); - (void) alarm(_RPCSVC_CLOSEDOWN/2); - } - - /* Unlimited resource limits. */ - rlim.rlim_cur = rlim.rlim_max = RLIM_INFINITY; - (void)setrlimit(RLIMIT_CPU, &rlim); - (void)setrlimit(RLIMIT_FSIZE, &rlim); - (void)setrlimit(RLIMIT_STACK, &rlim); - (void)setrlimit(RLIMIT_DATA, &rlim); - (void)setrlimit(RLIMIT_RSS, &rlim); - - /* Don't drop core (not really necessary, but GP's). */ - rlim.rlim_cur = rlim.rlim_max = 0; - (void)setrlimit(RLIMIT_CORE, &rlim); - - /* Turn off signals. */ - (void)signal(SIGALRM, SIG_IGN); - (void)signal(SIGHUP, (SIG_PF) reload); - (void)signal(SIGINT, SIG_IGN); - (void)signal(SIGPIPE, SIG_IGN); - (void)signal(SIGQUIT, SIG_IGN); - (void)signal(SIGTERM, (SIG_PF) terminate); - - svc_run(); - yp_error("svc_run returned"); - exit(1); - /* NOTREACHED */ -} |
