mirror of
https://gitlab.isc.org/isc-projects/dhcp
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Deprecated.
This commit is contained in:
Ted Lemon
141
common/sysconf.c
141
common/sysconf.c
@@ -1,141 +0,0 @@
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/* sysconf.c
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System status watcher...
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!!!Boy, howdy, is this ever not guaranteed not to change!!! */
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/*
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* Copyright (c) 1997, 1998 The Internet Software Consortium.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of The Internet Software Consortium nor the names
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* of its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
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* CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This software has been written for the Internet Software Consortium
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* by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
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* Enterprises. To learn more about the Internet Software Consortium,
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* see ``http://www.vix.com/isc''. To learn more about Vixie
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* Enterprises, see ``http://www.vix.com''.
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*/
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#ifndef lint
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static char copyright[] =
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"$Id: sysconf.c,v 1.5 1999/02/24 17:56:48 mellon Exp $ Copyright (c) 1995, 1996 The Internet Software Consortium. All rights reserved.\n";
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#endif /* not lint */
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#include "dhcpd.h"
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int sysconf_initialized;
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int sysconf_fd;
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void sysconf_startup (handler)
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void (*handler) PROTO ((struct sysconf_header *, void *));
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{
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struct sockaddr_un name;
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static int once;
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int len;
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/* Only initialize sysconf once. */
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if (sysconf_initialized)
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log_fatal ("attempted to reinitialize sysconf protocol");
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sysconf_initialized = 1;
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sysconf_fd = socket (AF_UNIX, SOCK_STREAM, 0);
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if (sysconf_fd < 0)
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log_fatal ("unable to create sysconf socket: %m");
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/* XXX for now... */
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name.sun_family = PF_UNIX;
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strcpy (name.sun_path, "/var/run/sysconf");
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#if defined (HAVE_SA_LEN)
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name.sun_len =
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#endif
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len = ((sizeof name) - (sizeof name.sun_path) +
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strlen (name.sun_path));
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if (connect (sysconf_fd, (struct sockaddr *)&name, len) < 0) {
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if (!once)
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log_error ("can't connect to sysconf socket: %m");
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once = 1;
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close (sysconf_fd);
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sysconf_initialized = 0;
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add_timeout (cur_time + 60, sysconf_restart, (void *)handler);
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} else
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add_protocol ("sysconf", sysconf_fd, sysconf_message,
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(void *)handler);
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}
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void sysconf_restart (v)
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void *v;
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{
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void (*handler) PROTO ((struct sysconf_header *, void *)) =
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(void (*) PROTO ((struct sysconf_header *, void *)))v;
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sysconf_startup (handler);
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}
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void sysconf_message (proto)
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struct protocol *proto;
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{
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struct sysconf_header hdr;
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int status;
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char *buf;
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void (*handler) PROTO ((struct sysconf_header *, void *));
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status = read (sysconf_fd, &hdr, sizeof hdr);
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if (status < 0) {
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log_error ("sysconf_message: %m");
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lose:
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add_timeout (cur_time + 60, sysconf_restart, proto -> local);
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remove_protocol (proto);
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return;
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}
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if (status < sizeof (hdr)) {
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log_error ("sysconf_message: short message");
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goto lose;
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}
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if (hdr.length) {
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buf = malloc (hdr.length);
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if (!buf)
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log_fatal ("sysconf_message: can't buffer payload");
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status = read (sysconf_fd, buf, hdr.length);
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if (status < 0)
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log_fatal ("sysconf_message payload read: %m");
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if (status != hdr.length)
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log_fatal ("sysconf_message payload: short read");
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} else
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buf = (char *)0;
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/* Call the handler... */
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if ((handler = ((void (*) PROTO ((struct sysconf_header *, void *)))
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proto -> local)))
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(*handler) (&hdr, buf);
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if (buf)
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free (buf);
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}
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@@ -1,52 +0,0 @@
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/* systat.h
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Definitions for systat protocol... */
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/*
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* Copyright (c) 1997 The Internet Software Consortium.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of The Internet Software Consortium nor the names
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* of its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
|
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*
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* THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
|
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* CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
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* DISCLAIMED. IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
|
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* 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
|
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
|
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*
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* This software has been written for the Internet Software Consortium
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* by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
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* Enterprises. To learn more about the Internet Software Consortium,
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* see ``http://www.vix.com/isc''. To learn more about Vixie
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* Enterprises, see ``http://www.vix.com''.
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*/
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#define SYSCONF_SOCKET "/var/run/sysconf"
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struct sysconf_header {
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u_int32_t type; /* Type of status message... */
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u_int32_t length; /* Length of message. */
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};
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/* Message types... */
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#define NETWORK_LOCATION_CHANGED 1
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