From: Ted Lemon Date: Thu, 9 Apr 1998 05:20:14 +0000 (+0000) Subject: Interactive client for DHCP servers. X-Git-Tag: carrel-2~126 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=814bd3509fd673d215196efb61b9c8b2fe896b4c;p=thirdparty%2Fdhcp.git Interactive client for DHCP servers. --- diff --git a/dhcpctl/Makefile.dist b/dhcpctl/Makefile.dist new file mode 100644 index 000000000..b2f9520ea --- /dev/null +++ b/dhcpctl/Makefile.dist @@ -0,0 +1,89 @@ +# Makefile.dist +# +# Copyright (c) 1998 The Internet Software Consortium. +# 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. Neither the name of The Internet Software Consortium nor the names of its +# contributors may be used to endorse or promote products derived +# from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM 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 +# THE INTERNET SOFTWARE CONSORTIUM 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. +# + +CATMANPAGES = +SRCS = dhcpctl.c +OBJS = dhcpctl.o +PROG = dhcpctl +MAN = + +DEBUG = -g +INCLUDES = -I.. -I../includes +DHCPLIB = ../common/libdhcp.a +CFLAGS = $(DEBUG) $(PREDEFINES) $(INCLUDES) $(COPTS) + +all: $(PROG) $(CATMANPAGES) + +install: $(PROG) $(CATMANPAGES) + @for dir in $(BINDIR) $(ADMMANDIR); do \ + case $$dir in \ + /*) base=/ ;; \ + *) base="" ;; \ + esac; \ + slash=""; \ + for elt in `echo $$dir |sed -e 's/\// /g'`; do \ + if [ ! -d $$base/$$elt ]; then \ + echo Making $$base/$$elt; \ + mkdir $$base/$$elt; \ + chmod 755 $$base/$$elt; \ + fi; \ + base=$$base$$slash$$elt; \ + slash=/; \ + done; \ + done + $(INSTALL) dhcpctl $(BINDIR) + $(CHMOD) 755 $(BINDIR)/dhcpctl +# $(MANINSTALL) $(MANFROM) dhcpctl.cat8 $(MANTO) \ +# $(ADMMANDIR)/dhcpctl$(ADMMANEXT) + +clean: + -rm -f $(OBJS) + +realclean: clean + -rm -f $(PROG) $(CATMANPAGES) *~ #* + +distclean: realclean + -rm -f Makefile + +# These should only be done on 4.4 BSD-based systems, since the mandoc +# macros aren't available on older unices. Catted man pages are +# provided in the distribution so that this doesn't become a problem. + +dhcpctl.cat8: dhcpctl.8 + sed -e "s#ETCDIR#$(ETC)#" -e "s#DBDIR#$(VARDB)#" \ + -e "s#RUNDIR#$(VARRUN)#" < dhcpctl.8 \ + | nroff -man >dhcpctl.cat8 + +$(PROG): $(OBJS) $(DHCPLIB) + $(CC) $(LFLAGS) -o $(PROG) $(OBJS) $(DHCPLIB) $(LIBS) + +# Dependencies (semi-automatically-generated) diff --git a/dhcpctl/dhcpctl.c b/dhcpctl/dhcpctl.c new file mode 100644 index 000000000..212dd7213 --- /dev/null +++ b/dhcpctl/dhcpctl.c @@ -0,0 +1,135 @@ +/* main.c + + DHCP Daemon controller*/ + +/* + * Copyright (c) 1998 The Internet Software Consortium. + * 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. Neither the name of The Internet Software Consortium nor the names + * of its contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM 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 THE INTERNET SOFTWARE CONSORTIUM 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. + * + * This software has been written for the Internet Software Consortium + * by Ted Lemon in cooperation with Vixie + * Enterprises. To learn more about the Internet Software Consortium, + * see ``http://www.vix.com/isc''. To learn more about Vixie + * Enterprises, see ``http://www.vix.com''. + */ + +#ifndef lint +static char copyright[] = +"$Id: dhcpctl.c,v 1.1 1998/04/09 05:20:14 mellon Exp $ Copyright (c) 1998 The Internet Software Consortium. All rights reserved.\n"; +#endif /* not lint */ + +#include "dhcpd.h" + +int log_priority; +int log_perror = 1; + +int dhcp_max_agent_option_packet_length; + +int main (argc, argv, envp) + int argc; + char **argv; + char **envp; +{ + struct sockaddr_un name; + int dhcpctl_fd; + FILE *dhcpctl; + int status; + char *buf; + int len; + char ibuf [1024]; + int arg; + +#ifdef SYSLOG_4_2 + openlog ("statmsg", LOG_NDELAY); + log_priority = LOG_DAEMON; +#else + openlog ("statmsg", LOG_NDELAY, LOG_DAEMON); +#endif + +#if !(defined (DEBUG) || defined (SYSLOG_4_2) || defined (__CYGWIN32__)) + setlogmask (LOG_UPTO (LOG_INFO)); +#endif + + dhcpctl_fd = socket (AF_UNIX, SOCK_STREAM, 0); + if (dhcpctl_fd < 0) + error ("unable to create dhcpctl socket: %m"); + + /* XXX for now... */ + name.sun_family = PF_UNIX; + strcpy (name.sun_path, "/var/run/dhcpctl"); +#if defined (HAVE_SA_LEN) + name.sun_len = +#endif + len = ((sizeof name) - (sizeof name.sun_path) + + strlen (name.sun_path)); + + if (connect (dhcpctl_fd, (struct sockaddr *)&name, len) < 0) + error ("can't connect to dhcpctl socket: %m"); + +#if 0 + if ((arg = fcntl (dhcpctl_fd, F_GETFL, 0)) < 0) + error ("Can't get flags on socket: %m"); + arg |= O_ASYNC; + if (fcntl (dhcpctl_fd, F_SETFL, arg) < 0) + error ("Can't set flags on socket: %m"); +#endif + + dhcpctl = fdopen (dhcpctl_fd, "r+"); + if (!dhcpctl) + error ("Can't fdopen dhcpctl socket: %m"); + setlinebuf (dhcpctl); + + /* Read the response. */ + while (fgets (ibuf, sizeof ibuf, stdin)) { + len = strlen (ibuf); + if (!len) + break; + fputs (ibuf, dhcpctl); + fflush (dhcpctl); + if (ibuf [len - 1] != '\n') + putc ('\n', dhcpctl); + + while (fgets (ibuf, sizeof ibuf, dhcpctl)) { + if (ibuf [0] == '-') { + fputs (&ibuf [1], stdout); + } else { + fputs (ibuf, stdout); + break; + } + fflush (stdout); + } + } + + exit (0); +} + +void cleanup () +{ +}