This commit was generated by cvs2svn to compensate for changes in r26236,

which included commits to RCS files with non-trunk default branches.

1 files changed, 288 insertions, 0 deletions

diff --git a/usr.sbin/rpc.ypupdated/ypupdated_main.c b/usr.sbin/rpc.ypupdated/ypupdated_main.c
new file mode 100644
index 0000000..95bc51d
--- /dev/null
+++ b/usr.sbin/rpc.ypupdated/ypupdated_main.c
@@ -0,0 +1,288 @@
+/*
+ * 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.
+ *
+ *	$Id: ypupdated_main.c,v 1.1 1996/12/25 19:31:28 wpaul Exp wpaul $
+ */
+
+#include "ypupdate_prot.h"
+#include <stdio.h>
+#include <stdlib.h> /* getenv, exit */
+#include <rpc/pmap_clnt.h> /* for pmap_unset */
+#include <string.h> /* strcmp */
+#include <signal.h>
+#include <sys/ttycom.h> /* TIOCNOTTY */
+#ifdef __cplusplus
+#include <sysent.h> /* getdtablesize, open */
+#endif /* __cplusplus */
+#include <memory.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <syslog.h>
+#include <sys/wait.h>
+#include <errno.h>
+#include <err.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "ypupdated_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
+#ifndef lint
+static const char rcsid[] = "$Id: ypupdated_main.c,v 1.1 1996/12/25 19:31:28 wpaul Exp wpaul $";
+#endif /* not lint */
+int _rpcpmstart;		/* 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
+
+extern int _rpcsvcstate;	 /* Set when a request is serviced */
+
+char *progname = "rpc.ypupdated";
+char *yp_dir = "/var/yp/";
+
+static
+void _msgout(char* msg)
+{
+#ifdef RPC_SVC_FG
+	if (_rpcpmstart)
+		syslog(LOG_ERR, msg);
+	else
+		(void) fprintf(stderr, "%s\n", msg);
+#else
+	syslog(LOG_ERR, msg);
+#endif
+}
+
+static void
+closedown(int sig)
+{
+	if (_rpcsvcstate == _IDLE) {
+		extern fd_set svc_fdset;
+		static int size;
+		int i, openfd;
+
+		if (_rpcfdtype == SOCK_DGRAM)
+			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)
+			exit(0);
+	}
+	if (_rpcsvcstate == _SERVED)
+		_rpcsvcstate = _IDLE;
+
+	(void) signal(SIGALRM, (SIG_PF) closedown);
+	(void) alarm(_RPCSVC_CLOSEDOWN/2);
+}
+
+static void
+ypupdated_svc_run()
+{
+#ifdef FD_SETSIZE
+	fd_set readfds;
+#else
+	int readfds;
+#endif /* def FD_SETSIZE */
+	extern int forked;
+	int pid;
+	int fd_setsize = _rpc_dtablesize();
+
+	/* Establish the identity of the parent ypupdated process. */
+	pid = getpid();
+
+	for (;;) {
+#ifdef FD_SETSIZE
+		readfds = svc_fdset;
+#else
+		readfds = svc_fds;
+#endif /* def FD_SETSIZE */
+		switch (select(fd_setsize, &readfds, NULL, NULL,
+			       (struct timeval *)0)) {
+		case -1:
+			if (errno == EINTR) {
+				continue;
+			}
+			perror("svc_run: - select failed");
+			return;
+		case 0:
+			continue;
+		default:
+			svc_getreqset(&readfds);
+			if (forked && pid != getpid())
+				exit(0);
+		}
+	}
+}
+
+static void reaper(sig)
+	int sig;
+{
+	int status;
+
+	if (sig == SIGHUP) {
+#ifdef foo
+		load_securenets();
+#endif
+		return;
+	}
+
+	if (sig == SIGCHLD) {
+		while (wait3(&status, WNOHANG, NULL) > 0)
+			children--;
+	} else {
+		(void) pmap_unset(YPU_PROG, YPU_VERS);
+		exit(0);
+	}
+}
+
+void usage()
+{
+	fprintf(stderr, "%s [-p path]\n", progname);
+	exit(0);
+}
+
+main(argc, argv)
+	int argc;
+	char *argv[];
+{
+	register SVCXPRT *transp = NULL;
+	int sock;
+	int proto = 0;
+	struct sockaddr_in saddr;
+	int asize = sizeof (saddr);
+	int ch;
+
+	while ((ch = getopt(argc, argv, "p:h")) != EOF) {
+		switch(ch) {
+		case 'p':
+			yp_dir = optarg;
+			break;
+		default:
+			usage();
+			break;
+		}
+	}
+#ifdef foo
+	load_securenets();
+#endif
+
+	if (svc_auth_reg(AUTH_DES, _svcauth_des) == -1) {
+		yp_error("failed to register AUTH_DES flavor");
+		exit(1);
+	}
+
+	if (getsockname(0, (struct sockaddr *)&saddr, &asize) == 0) {
+		int ssize = sizeof (int);
+
+		if (saddr.sin_family != AF_INET)
+			exit(1);
+		if (getsockopt(0, SOL_SOCKET, SO_TYPE,
+				(char *)&_rpcfdtype, &ssize) == -1)
+			exit(1);
+		sock = 0;
+		_rpcpmstart = 1;
+		proto = 0;
+		openlog("rpc.ypupdatedd", LOG_PID, LOG_DAEMON);
+	} else {
+#ifndef RPC_SVC_FG
+		if (daemon(0,0)) {
+			err(1, "cannot fork");
+		}
+		openlog("rpc.ypupdated", LOG_PID, LOG_DAEMON);
+#endif
+		sock = RPC_ANYSOCK;
+		(void) pmap_unset(YPU_PROG, YPU_VERS);
+	}
+
+	if ((_rpcfdtype == 0) || (_rpcfdtype == SOCK_DGRAM)) {
+		transp = svcudp_create(sock);
+		if (transp == NULL) {
+			_msgout("cannot create udp service.");
+			exit(1);
+		}
+		if (!_rpcpmstart)
+			proto = IPPROTO_UDP;
+		if (!svc_register(transp, YPU_PROG, YPU_VERS, ypu_prog_1, proto)) {
+			_msgout("unable to register (YPU_PROG, YPU_VERS, udp).");
+			exit(1);
+		}
+	}
+
+	if ((_rpcfdtype == 0) || (_rpcfdtype == SOCK_STREAM)) {
+		transp = svctcp_create(sock, 0, 0);
+		if (transp == NULL) {
+			_msgout("cannot create tcp service.");
+			exit(1);
+		}
+		if (!_rpcpmstart)
+			proto = IPPROTO_TCP;
+		if (!svc_register(transp, YPU_PROG, YPU_VERS, ypu_prog_1, proto)) {
+			_msgout("unable to register (YPU_PROG, YPU_VERS, tcp).");
+			exit(1);
+		}
+	}
+
+	if (transp == (SVCXPRT *)NULL) {
+		_msgout("could not create a handle");
+		exit(1);
+	}
+	if (_rpcpmstart) {
+		(void) signal(SIGALRM, (SIG_PF) closedown);
+		(void) alarm(_RPCSVC_CLOSEDOWN/2);
+	}
+
+	(void) signal(SIGPIPE, SIG_IGN);
+	(void) signal(SIGCHLD, (SIG_PF) reaper);
+	(void) signal(SIGTERM, (SIG_PF) reaper);
+	(void) signal(SIGINT, (SIG_PF) reaper);
+	(void) signal(SIGHUP, (SIG_PF) reaper);
+
+	ypupdated_svc_run();
+	_msgout("svc_run returned");
+	exit(1);
+	/* NOTREACHED */
+}