components/isc-dhcp/patches/nopidfile.patch
changeset 473 b88384d5a7ae
parent 472 b4bf6ad34a2d
child 474 742dc4436b35
--- a/components/isc-dhcp/patches/nopidfile.patch	Mon Aug 15 11:41:24 2011 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,657 +0,0 @@
-Index: DHCP/configure
-===================================================================
-RCS file: /proj/cvs/prod/DHCP/configure,v
-retrieving revision 1.119
-retrieving revision 1.119.6.1
-diff -u -c -r1.119 -r1.119.6.1
-*** DHCP/configure	18 Feb 2011 18:48:44 -0000	1.119
---- DHCP/configure	11 Apr 2011 21:12:20 -0000	1.119.6.1
-***************
-*** 1328,1333 ****
---- 1328,1336 ----
-    --with-relay-pid-file=PATH
-                            File for dhcrelay process information (default is
-                            LOCALSTATEDIR/run/dhcrelay.pid)
-+   --with-relay6-pid-file=PATH
-+                           File for dhcrelay6 process information (default is
-+                           LOCALSTATEDIR/run/dhcrelay6.pid)
-
- Some influential environment variables:
-   CC          C compiler command
-***************
-*** 5062,5067 ****
---- 5065,5080 ----
-  fi
-  
-  
-+ # Check whether --with-relay6-pid-file was given.
-+ if test "${with_relay6_pid_file+set}" = set; then
-+   withval=$with_relay6_pid_file;
-+ cat >>confdefs.h <<_ACEOF
-+ #define _PATH_DHCRELAY6_PID "$withval"
-+ _ACEOF
-+ 
-+ fi
-+ 
-+ 
-  # Check basic types.
-  
-    { echo "$as_me:$LINENO: checking for int8_t" >&5
-Index: DHCP/configure.ac
-===================================================================
-RCS file: /proj/cvs/prod/DHCP/configure.ac,v
-retrieving revision 1.47
-retrieving revision 1.47.6.1
-diff -u -c -r1.47 -r1.47.6.1
-*** DHCP/configure.ac	18 Feb 2011 18:41:25 -0000	1.47
---- DHCP/configure.ac	9 Apr 2011 00:03:51 -0000	1.47.6.1
-***************
-*** 317,322 ****
---- 317,328 ----
-  		        (default is LOCALSTATEDIR/run/dhcrelay.pid)]),
-  	AC_DEFINE_UNQUOTED([_PATH_DHCRELAY_PID], ["$withval"],
-  			   [File for dhcrelay process information.]))
-+ AC_ARG_WITH(relay6-pid-file,
-+ 	AC_HELP_STRING([--with-relay6-pid-file=PATH],
-+ 		       [File for dhcrelay6 process information
-+ 		        (default is LOCALSTATEDIR/run/dhcrelay6.pid)]),
-+ 	AC_DEFINE_UNQUOTED([_PATH_DHCRELAY6_PID], ["$withval"],
-+ 			   [File for dhcrelay6 process information.]))
-  
-  # Check basic types.
-  AC_TYPE_INT8_T
-Index: DHCP/client/dhclient.8
-===================================================================
-RCS file: /proj/cvs/prod/DHCP/client/dhclient.8,v
-retrieving revision 1.35
-retrieving revision 1.35.56.2
-diff -u -c -r1.35 -r1.35.56.2
-*** DHCP/client/dhclient.8	14 Jul 2010 20:01:14 -0000	1.35
---- DHCP/client/dhclient.8	12 Apr 2011 20:47:25 -0000	1.35.56.2
-***************
-*** 90,95 ****
---- 90,98 ----
-  .I pid-file
-  ]
-  [
-+ .B --no-pid
-+ ]
-+ [
-  .B -cf
-  .I config-file
-  ]
-***************
-*** 99,105 ****
-  ]
-  [
-  .B -s
-! .I server
-  ]
-  [
-  .B -g
---- 102,108 ----
-  ]
-  [
-  .B -s
-! .I server-addr
-  ]
-  [
-  .B -g
-***************
-*** 305,311 ****
-  transmit, the client will also use a different destination port -
-  one less than the specified port.
-  .TP
-! .BI \-s \ server
-  Specify the server IP address or fully qualified domain name to use as
-  a destination for DHCP protocol messages before 
-  .B dhclient
---- 308,314 ----
-  transmit, the client will also use a different destination port -
-  one less than the specified port.
-  .TP
-! .BI \-s \ server-addr
-  Specify the server IP address or fully qualified domain name to use as
-  a destination for DHCP protocol messages before 
-  .B dhclient
-***************
-*** 381,386 ****
---- 384,395 ----
-  .B RUNDIR/dhclient.pid
-  is used.
-  .TP
-+ .BI \--no-pid
-+ Option to disable writing pid files.  By default the program
-+ will write a pid file.  If the program is invoked with this
-+ option it will not attempt to kill any existing client processes
-+ even if invoked with \fB-r\fR or \fB-x\fR.
-+ .TP
-  .BI \-sf \ script-file
-  Path to the network configuration script invoked by
-  .B dhclient
-Index: DHCP/client/dhclient.c
-===================================================================
-RCS file: /proj/cvs/prod/DHCP/client/dhclient.c,v
-retrieving revision 1.178
-retrieving revision 1.178.2.2
-diff -u -c -r1.178 -r1.178.2.2
-*** DHCP/client/dhclient.c	24 Mar 2011 21:11:00 -0000	1.178
---- DHCP/client/dhclient.c	12 Apr 2011 20:47:25 -0000	1.178.2.2
-***************
-*** 48,53 ****
---- 48,56 ----
-  static char path_dhclient_script_array[] = _PATH_DHCLIENT_SCRIPT;
-  char *path_dhclient_script = path_dhclient_script_array;
-  
-+ /* False (default) => we write and use a pid file */
-+ isc_boolean_t no_pid_file = ISC_FALSE;
-+ 
-  int dhcp_max_agent_option_packet_length = 0;
-  
-  int interfaces_requested = 0;
-***************
-*** 196,201 ****
---- 199,206 ----
-  				usage();
-  			path_dhclient_pid = argv[i];
-  			no_dhclient_pid = 1;
-+ 		} else if (!strcmp(argv[i], "--no-pid")) {
-+ 			no_pid_file = ISC_TRUE;
-  		} else if (!strcmp(argv[i], "-cf")) {
-  			if (++i == argc)
-  				usage();
-***************
-*** 385,392 ****
-  			log_fatal("%s: %s", path, strerror(errno));
-  	}
-  
-! 	/* first kill off any currently running client */
-! 	if (release_mode || exit_mode) {
-  		FILE *pidfd;
-  		pid_t oldpid;
-  		long temp;
---- 390,402 ----
-  			log_fatal("%s: %s", path, strerror(errno));
-  	}
-  
-! 	/*
-! 	 * See if we should  kill off any currently running client
-! 	 * we don't try to kill it off if the user told us not
-! 	 * to write a pid file - we assume they are controlling
-! 	 * the process in some other fashion.
-! 	 */
-! 	if ((release_mode || exit_mode) && (no_pid_file == ISC_FALSE)) {
-  		FILE *pidfd;
-  		pid_t oldpid;
-  		long temp;
-***************
-*** 677,692 ****
-  	log_info(arr);
-  	log_info(url);
-  
-! 	log_error("Usage: dhclient %s %s",
-  #ifdef DHCPv6
-! 		  "[-4|-6] [-SNTP1dvrx] [-nw] [-p <port>]",
-  #else /* DHCPv6 */
-! 		  "[-1dvrx] [-nw] [-p <port>]",
-  #endif /* DHCPv6 */
-! 		  "[-s server]");
-! 	log_error("                [-cf config-file] [-lf lease-file]%s",
-! 		  "[-pf pid-file] [-e VAR=val]");
-! 	log_fatal("                [-sf script-file] [interface]");
-  }
-  
-  void run_stateless(int exit_mode)
---- 687,703 ----
-  	log_info(arr);
-  	log_info(url);
-  
-! 
-! 	log_fatal("Usage: dhclient "
-  #ifdef DHCPv6
-! 		  "[-4|-6] [-SNTP1dvrx] [-nw] [-p <port>]\n"
-  #else /* DHCPv6 */
-! 		  "[-1dvrx] [-nw] [-p <port>]\n"
-  #endif /* DHCPv6 */
-! 		  "                [-s server-addr] [-cf config-file] "
-! 		  "[-lf lease-file]\n"
-! 		  "                [-pf pid-file] [--no-pid] [-e VAR=val]\n"
-! 		  "                [-sf script-file] [interface]");
-  }
-  
-  void run_stateless(int exit_mode)
-***************
-*** 3369,3374 ****
---- 3380,3390 ----
-  	FILE *pf;
-  	int pfdesc;
-  
-+ 	/* nothing to do if the user doesn't want a pid file */
-+ 	if (no_pid_file == ISC_TRUE) {
-+ 		return;
-+ 	}
-+ 
-  	pfdesc = open (path_dhclient_pid, O_CREAT | O_TRUNC | O_WRONLY, 0644);
-  
-  	if (pfdesc < 0) {
-Index: DHCP/includes/config.h.in
-===================================================================
-RCS file: /proj/cvs/prod/DHCP/includes/config.h.in,v
-retrieving revision 1.60
-retrieving revision 1.60.6.1
-diff -u -c -r1.60 -r1.60.6.1
-*** DHCP/includes/config.h.in	18 Feb 2011 18:48:15 -0000	1.60
---- DHCP/includes/config.h.in	11 Apr 2011 21:12:03 -0000	1.60.6.1
-***************
-*** 175,180 ****
---- 175,183 ----
-  /* File for dhcpd process information. */
-  #undef _PATH_DHCPD_PID
-  
-+ /* File for dhcrelay6 process information. */
-+ #undef _PATH_DHCRELAY6_PID
-+ 
-  /* File for dhcrelay process information. */
-  #undef _PATH_DHCRELAY_PID
-  
-Index: DHCP/relay/dhcrelay.8
-===================================================================
-RCS file: /proj/cvs/prod/DHCP/relay/dhcrelay.8,v
-retrieving revision 1.18
-retrieving revision 1.18.58.2
-diff -u -c -r1.18 -r1.18.58.2
-*** DHCP/relay/dhcrelay.8	2 Jul 2010 23:09:14 -0000	1.18
---- DHCP/relay/dhcrelay.8	12 Apr 2011 20:47:26 -0000	1.18.58.2
-***************
-*** 54,59 ****
---- 54,66 ----
-  .I length
-  ]
-  [
-+ .B -pf
-+ .I pid-file
-+ ]
-+ [
-+ .B --no-pid
-+ ]
-+ [
-  .B -m
-  .I append
-  |
-***************
-*** 89,94 ****
---- 96,108 ----
-  .B -c
-  .I count
-  ]
-+ [
-+ .B -pf
-+ .I pid-file
-+ ]
-+ [
-+ .B --no-pid
-+ ]
-  .B -l
-  .I lower0
-  [
-***************
-*** 150,155 ****
---- 164,176 ----
-  -q
-  Quiet mode.  Prevents dhcrelay6 from printing its network configuration
-  on startup.
-+ .TP
-+ -pf pid-file
-+ Path to alternate pid file.
-+ .TP
-+ --no-pid
-+ Option to disable writing pid files.  By default the program
-+ will write a pid file.
-  .PP
-  \fIOptions available in DHCPv4 mode only:\fR
-  .TP
-Index: DHCP/relay/dhcrelay.c
-===================================================================
-RCS file: /proj/cvs/prod/DHCP/relay/dhcrelay.c,v
-retrieving revision 1.79
-retrieving revision 1.79.106.2
-diff -u -c -r1.79 -r1.79.106.2
-*** DHCP/relay/dhcrelay.c	2 Feb 2010 19:58:18 -0000	1.79
---- DHCP/relay/dhcrelay.c	12 Apr 2011 20:47:26 -0000	1.79.106.2
-***************
-*** 49,54 ****
---- 49,57 ----
-  char *tlname;
-  
-  const char *path_dhcrelay_pid = _PATH_DHCRELAY_PID;
-+ isc_boolean_t no_dhcrelay_pid = ISC_FALSE;
-+ /* False (default) => we write and use a pid file */
-+ isc_boolean_t no_pid_file = ISC_FALSE;
-  
-  int bogus_agent_drops = 0;	/* Packets dropped because agent option
-  				   field was specified and we're not relaying
-***************
-*** 138,147 ****
---- 141,152 ----
-  #define DHCRELAY_USAGE \
-  "Usage: dhcrelay [-4] [-d] [-q] [-a] [-D]\n"\
-  "                     [-A <length>] [-c <hops>] [-p <port>]\n" \
-+ "                     [-pf <pid-file>] [--no-pid]\n"\
-  "                     [-m append|replace|forward|discard]\n" \
-  "                     [-i interface0 [ ... -i interfaceN]\n" \
-  "                     server0 [ ... serverN]\n\n" \
-  "       dhcrelay -6   [-d] [-q] [-I] [-c <hops>] [-p <port>]\n" \
-+ "                     [-pf <pid-file>] [--no-pid]\n"\
-  "                     -l lower0 [ ... -l lowerN]\n" \
-  "                     -u upper0 [ ... -u upperN]\n" \
-  "       lower (client link): [address%%]interface[#index]\n" \
-***************
-*** 149,154 ****
---- 154,160 ----
-  #else
-  #define DHCRELAY_USAGE \
-  "Usage: dhcrelay [-d] [-q] [-a] [-D] [-A <length>] [-c <hops>] [-p <port>]\n" \
-+ "                [-pf <pid-file>] [--no-pid]\n"\
-  "                [-m append|replace|forward|discard]\n" \
-  "                [-i interface0 [ ... -i interfaceN]\n" \
-  "                server0 [ ... serverN]\n\n"
-***************
-*** 350,355 ****
---- 356,368 ----
-  			sl->next = upstreams;
-  			upstreams = sl;
-  #endif
-+ 		} else if (!strcmp(argv[i], "-pf")) {
-+ 			if (++i == argc)
-+ 				usage();
-+ 			path_dhcrelay_pid = argv[i];
-+ 			no_dhcrelay_pid = ISC_TRUE;
-+ 		} else if (!strcmp(argv[i], "--no-pid")) {
-+ 			no_pid_file = ISC_TRUE;
-  		} else if (!strcmp(argv[i], "--version")) {
-  			log_info("isc-dhcrelay-%s", PACKAGE_VERSION);
-  			exit(0);
-***************
-*** 394,411 ****
-   		}
-  	}
-  
-! 	if (local_family == AF_INET) {
-! 		path_dhcrelay_pid = getenv("PATH_DHCRELAY_PID");
-! 		if (path_dhcrelay_pid == NULL)
-! 			path_dhcrelay_pid = _PATH_DHCRELAY_PID;
-! 	}
-  #ifdef DHCPv6
-! 	else {
-! 		path_dhcrelay_pid = getenv("PATH_DHCRELAY6_PID");
-! 		if (path_dhcrelay_pid == NULL)
-! 			path_dhcrelay_pid = _PATH_DHCRELAY6_PID;
-! 	}
-  #endif
-  
-  	if (!quiet) {
-  		log_info("%s %s", message, PACKAGE_VERSION);
---- 407,430 ----
-   		}
-  	}
-  
-! 	/*
-! 	 * If the user didn't specify a pid file directly
-! 	 * find one from environment variables or defaults
-! 	 */
-! 	if (no_dhcrelay_pid == ISC_FALSE) {
-! 		if (local_family == AF_INET) {
-! 			path_dhcrelay_pid = getenv("PATH_DHCRELAY_PID");
-! 			if (path_dhcrelay_pid == NULL)
-! 				path_dhcrelay_pid = _PATH_DHCRELAY_PID;
-! 		}
-  #ifdef DHCPv6
-! 		else {
-! 			path_dhcrelay_pid = getenv("PATH_DHCRELAY6_PID");
-! 			if (path_dhcrelay_pid == NULL)
-! 				path_dhcrelay_pid = _PATH_DHCRELAY6_PID;
-! 		}
-  #endif
-+ 	}
-  
-  	if (!quiet) {
-  		log_info("%s %s", message, PACKAGE_VERSION);
-***************
-*** 519,538 ****
-  		else if (pid)
-  			exit(0);
-  
-! 		pfdesc = open(path_dhcrelay_pid,
-! 			       O_CREAT | O_TRUNC | O_WRONLY, 0644);
-! 
-! 		if (pfdesc < 0) {
-! 			log_error("Can't create %s: %m", path_dhcrelay_pid);
-! 		} else {
-! 			pf = fdopen(pfdesc, "w");
-! 			if (!pf)
-! 				log_error("Can't fdopen %s: %m",
-! 				      path_dhcrelay_pid);
-! 			else {
-! 				fprintf(pf, "%ld\n",(long)getpid());
-! 				fclose(pf);
-! 			}	
-  		}
-  
-  		close(0);
---- 538,560 ----
-  		else if (pid)
-  			exit(0);
-  
-! 		if (no_pid_file == ISC_FALSE) {
-! 			pfdesc = open(path_dhcrelay_pid,
-! 				      O_CREAT | O_TRUNC | O_WRONLY, 0644);
-! 
-! 			if (pfdesc < 0) {
-! 				log_error("Can't create %s: %m",
-! 					  path_dhcrelay_pid);
-! 			} else {
-! 				pf = fdopen(pfdesc, "w");
-! 				if (!pf)
-! 					log_error("Can't fdopen %s: %m",
-! 						  path_dhcrelay_pid);
-! 				else {
-! 					fprintf(pf, "%ld\n",(long)getpid());
-! 					fclose(pf);
-! 				}	
-! 			}
-  		}
-  
-  		close(0);
-Index: DHCP/server/dhcpd.8
-===================================================================
-RCS file: /proj/cvs/prod/DHCP/server/dhcpd.8,v
-retrieving revision 1.33
-retrieving revision 1.33.56.2
-diff -u -c -r1.33 -r1.33.56.2
-*** DHCP/server/dhcpd.8	14 Jul 2010 20:01:14 -0000	1.33
---- DHCP/server/dhcpd.8	12 Apr 2011 20:47:26 -0000	1.33.56.2
-***************
-*** 75,80 ****
---- 75,83 ----
-  .I pid-file
-  ]
-  [
-+ .B --no-pid
-+ ]
-+ [
-  .B -tf
-  .I trace-output-file
-  ]
-***************
-*** 283,288 ****
---- 286,296 ----
-  .TP
-  .BI \-pf \ pid-file
-  Path to alternate pid file.
-+ .TP
-+ .BI \--no-pid
-+ Option to disable writing pid files.  By default the program
-+ will write a pid file.  If the program is invoked with this
-+ option it will not check for an existing server process.
-  .PP
-  .SH CONFIGURATION
-  The syntax of the dhcpd.conf(5) file is discussed separately.   This
-Index: DHCP/server/dhcpd.c
-===================================================================
-RCS file: /proj/cvs/prod/DHCP/server/dhcpd.c,v
-retrieving revision 1.156
-retrieving revision 1.156.42.2
-diff -u -c -r1.156 -r1.156.42.2
-*** DHCP/server/dhcpd.c	8 Sep 2010 22:13:05 -0000	1.156
---- DHCP/server/dhcpd.c	12 Apr 2011 20:47:26 -0000	1.156.42.2
-***************
-*** 160,165 ****
---- 160,167 ----
-  const char *path_dhcpd_conf = _PATH_DHCPD_CONF;
-  const char *path_dhcpd_db = _PATH_DHCPD_DB;
-  const char *path_dhcpd_pid = _PATH_DHCPD_PID;
-+ /* False (default) => we write and use a pid file */
-+ isc_boolean_t no_pid_file = ISC_FALSE;
-  
-  int dhcp_max_agent_option_packet_length = DHCP_MTU_MAX;
-  
-***************
-*** 351,356 ****
---- 353,360 ----
-  				usage ();
-  			path_dhcpd_pid = argv [i];
-  			no_dhcpd_pid = 1;
-+ 		} else if (!strcmp(argv[i], "--no-pid")) {
-+ 			no_pid_file = ISC_TRUE;
-                  } else if (!strcmp (argv [i], "-t")) {
-  			/* test configurations only */
-  #ifndef DEBUG
-***************
-*** 783,815 ****
-  	}
-  #endif /* PARANOIA */
-  
-! 	/* Read previous pid file. */
-! 	if ((i = open (path_dhcpd_pid, O_RDONLY)) >= 0) {
-! 		status = read(i, pbuf, (sizeof pbuf) - 1);
-! 		close (i);
-! 		if (status > 0) {
-! 			pbuf[status] = 0;
-! 			pid = atoi(pbuf);
-! 
-! 			/*
-!                          * If there was a previous server process and it's
-!                          * is still running, abort
-!                          */
-! 			if (!pid || (pid != getpid() && kill(pid, 0) == 0))
-! 				log_fatal("There's already a "
-!                                           "DHCP server running.");
-  		}
-- 	}
-- 
--         /* Write new pid file. */
--         if ((i = open(path_dhcpd_pid, O_WRONLY|O_CREAT|O_TRUNC, 0644)) >= 0) {
--                 sprintf(pbuf, "%d\n", (int) getpid());
--                 IGNORE_RET (write(i, pbuf, strlen(pbuf)));
--                 close(i);
--         } else {
--                 log_error("Can't create PID file %s: %m.", path_dhcpd_pid);
--         }
-  
-  
-  	/* If we were requested to log to stdout on the command line,
-  	   keep doing so; otherwise, stop. */
---- 787,827 ----
-  	}
-  #endif /* PARANOIA */
-  
-! 	/*
-! 	 * Deal with pid files.  If the user told us
-! 	 * not to write a file we don't read one either
-! 	 */
-! 	if (no_pid_file == ISC_FALSE) {
-! 		/*Read previous pid file. */
-! 		if ((i = open (path_dhcpd_pid, O_RDONLY)) >= 0) {
-! 			status = read(i, pbuf, (sizeof pbuf) - 1);
-! 			close (i);
-! 			if (status > 0) {
-! 				pbuf[status] = 0;
-! 				pid = atoi(pbuf);
-! 
-! 				/*
-! 				 * If there was a previous server process and
-! 				 * it is still running, abort
-! 				 */
-! 				if (!pid ||
-! 				    (pid != getpid() && kill(pid, 0) == 0))
-! 					log_fatal("There's already a "
-! 						  "DHCP server running.");
-! 			}
-  		}
-  
-+ 		/* Write new pid file. */
-+ 		i = open(path_dhcpd_pid, O_WRONLY|O_CREAT|O_TRUNC, 0644);
-+ 		if (i >= 0) {
-+ 			sprintf(pbuf, "%d\n", (int) getpid());
-+ 			IGNORE_RET (write(i, pbuf, strlen(pbuf)));
-+ 			close(i);
-+ 		} else {
-+ 			log_error("Can't create PID file %s: %m.",
-+ 				  path_dhcpd_pid);
-+ 		}
-+ 	}
-  
-  	/* If we were requested to log to stdout on the command line,
-  	   keep doing so; otherwise, stop. */
-***************
-*** 902,908 ****
-  				   &global_scope, oc, MDL)) {
-  		s = dmalloc (db.len + 1, MDL);
-  		if (!s)
-! 			log_fatal ("no memory for lease db filename.");
-  		memcpy (s, db.data, db.len);
-  		s [db.len] = 0;
-  		data_string_forget (&db, MDL);
---- 914,920 ----
-  				   &global_scope, oc, MDL)) {
-  		s = dmalloc (db.len + 1, MDL);
-  		if (!s)
-! 			log_fatal ("no memory for pid filename.");
-  		memcpy (s, db.data, db.len);
-  		s [db.len] = 0;
-  		data_string_forget (&db, MDL);
-***************
-*** 938,944 ****
-                                            oc, MDL)) {
-                          s = dmalloc (db.len + 1, MDL);
-                          if (!s)
-!                                 log_fatal ("no memory for lease db filename.");
-                          memcpy (s, db.data, db.len);
-                          s [db.len] = 0;
-                          data_string_forget (&db, MDL);
---- 950,956 ----
-                                            oc, MDL)) {
-                          s = dmalloc (db.len + 1, MDL);
-                          if (!s)
-!                                 log_fatal ("no memory for pid filename.");
-                          memcpy (s, db.data, db.len);
-                          s [db.len] = 0;
-                          data_string_forget (&db, MDL);
-***************
-*** 1210,1216 ****
-  		  "             [-tf trace-output-file]\n"
-  		  "             [-play trace-input-file]\n"
-  #endif /* TRACING */
-! 		  "             [-pf pid-file] [-s server] [if0 [...ifN]]");
-  }
-  
-  void lease_pinged (from, packet, length)
---- 1222,1229 ----
-  		  "             [-tf trace-output-file]\n"
-  		  "             [-play trace-input-file]\n"
-  #endif /* TRACING */
-! 		  "             [-pf pid-file] [--no-pid] [-s server]\n"
-! 		  "             [if0 [...ifN]]");
-  }
-  
-  void lease_pinged (from, packet, length)