David Whedon
23 years ago
10 changed files with 411 additions and 79 deletions
@ -0,0 +1,18 @@ |
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PREFIX=$(DESTDIR)/usr/ |
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CFLAGS=-Wall -Os -fomit-frame-pointer |
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INSTALL=install |
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STRIPTOOL=strip |
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STRIP = $(STRIPTOOL) --remove-section=.note --remove-section=.comment |
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all: netcfg |
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$(STRIP) netcfg |
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size netcfg |
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netcfg: netcfg.c debconf.o |
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install: |
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mkdir -p $(PREFIX)/bin/ |
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$(INSTALL) netcfg $(PREFIX)/bin/ |
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|
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clean: |
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rm -f *.o netcfg |
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@ -0,0 +1,8 @@ |
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* menutest : check for existance and size, of conf files (any other checks?) |
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* search for network interfaces and allow the user to choose which one they want to configure |
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* put in checks so the user can't enter data that is clearly invalid |
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* dhcp: either another module, or in here |
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* fall back to safe defaults if the user doesn't enter a particular value (ex. gateway) |
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* create config dirs if they don't exist |
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* use the the debconf library rather than our own debconf.[ch] |
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* do other sorts of network configurations (pcmcia) |
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@ -0,0 +1,54 @@ |
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/*
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* Debconf communication routines. |
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*/ |
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|
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#include "debconf.h" |
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#include <stdio.h> |
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#include <stdarg.h> |
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#include <string.h> |
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#include <stdlib.h> |
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/* Holds the textual return code of the last command. */ |
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char *text; |
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/* Returns the last command's textual return code. */ |
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char *debconf_ret (void) { |
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return text; |
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} |
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|
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/*
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* Talks to debconf and returns the numeric return code. |
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* Unfortunatly, you need to use a NULL - terminated list of commands. |
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*/ |
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int debconf_command (const char *command, ...) { |
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char buf[DEBCONF_BUFSIZE]; |
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va_list ap; |
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char *c; |
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fputs(command, stdout); |
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va_start(ap, command); |
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while ((c = va_arg(ap, char *)) != NULL) { |
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fputs(" ", stdout); |
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fputs(c, stdout); |
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} |
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va_end(ap); |
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fputs("\n", stdout); |
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fflush(stdout); /* make sure debconf sees it to prevent deadlock */ |
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|
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fgets(buf, DEBCONF_BUFSIZE, stdin); |
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buf[strlen(buf)-1] = 0; |
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if (strlen(buf)) { |
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strtok(buf, " \t\n"); |
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text=strtok(NULL, "\n"); |
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return atoi(buf); |
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} |
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else { |
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/*
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* Nothing was entered; never really happens except during |
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* debugging. |
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*/ |
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text=buf; |
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return 0; |
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} |
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} |
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@ -0,0 +1,5 @@ |
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int debconf_command (const char *, ...); |
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char *debconf_ret (void); |
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|
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#define DEBCONF_BUFSIZE 4096 |
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|
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@ -0,0 +1,10 @@ |
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netcfg (0.1-1) unstable; urgency=low |
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* Initial Release. |
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|
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-- David Whedon <dwhedon@gordian.com> Fri, 8 Dec 2000 22:19:20 -0800 |
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Local variables: |
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mode: debian-changelog |
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add-log-mailing-address "dwhedon@gordian.com" |
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End: |
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@ -0,0 +1,14 @@ |
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Source: netcfg |
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Section: debian-installer |
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Priority: optional |
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Maintainer: David Whedon <dwhedon@gordian.com> |
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Build-Depends: debhelper |
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Standards-Version: 3.1.1 |
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Package: netcfg |
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Architecture: any |
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Depends: ${shlibs:Depends} |
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Provides: network-configuration |
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XBC-Installer-Menu-Item: 1 |
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Description: Configure the network |
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This package configures the network. |
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@ -0,0 +1,7 @@ |
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This is a network configuration for Debian/GNU Linux installer. |
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Author(s): David Whedon, Karl Hammar, Aspö Data |
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Copyright 2000 David Whedon <dwhedon@gordian.com> |
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The copyright of this package is GPL, version 2 or later. |
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@ -0,0 +1,97 @@ |
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#!/usr/bin/make -f |
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# Sample debian/rules that uses debhelper. |
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# GNU copyright 1997 to 1999 by Joey Hess. |
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# Uncomment this to turn on verbose mode. |
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#export DH_VERBOSE=1 |
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PACKAGES=$(shell dh_listpackages) |
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VERSION=$(shell dpkg-parsechangelog | grep ^Version: | cut -d ' ' -f 2) |
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ARCH=$(shell dpkg --print-architecture) |
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FILENAME=$(PACKAGE)_$(VERSION)_$(ARCH).udeb |
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PRIORITY=$(shell grep ^Priority: debian/control | cut -d ' ' -f 2) |
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# This is the debhelper compatability version to use. |
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export DH_COMPAT=2 |
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configure: configure-stamp |
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configure-stamp: |
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dh_testdir |
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# Add here commands to configure the package. |
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touch configure-stamp |
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build: configure-stamp build-stamp |
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build-stamp: |
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dh_testdir |
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# Add here commands to compile the package. |
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$(MAKE) |
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#/usr/bin/docbook-to-man debian/ddetect.sgml > ddetect.1 |
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touch build-stamp |
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clean: |
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dh_testdir |
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dh_testroot |
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rm -f build-stamp configure-stamp |
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# Add here commands to clean up after the build process. |
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-$(MAKE) clean |
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dh_clean |
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install: build |
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dh_testdir |
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dh_testroot |
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dh_clean -k |
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dh_installdirs |
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$(foreach PACKAGE, $(PACKAGES), \ |
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( $(MAKE) install PROGS=$(PACKAGE) DESTDIR=`pwd`/debian/$(PACKAGE)) ; ) |
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# Build architecture-independent files here. |
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binary-indep: build install |
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# We have nothing to do by default. |
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# Build architecture-dependent files here. |
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binary-arch: build install |
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# dh_testversion |
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dh_testdir |
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dh_testroot |
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dh_installdebconf |
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# dh_installdocs |
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# dh_undocumented ddetect.1 |
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# dh_installchangelogs |
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# dh_link |
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dh_strip |
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dh_compress |
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dh_fixperms |
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# You may want to make some executables suid here. |
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# dh_suidregister |
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# dh_makeshlibs |
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dh_installdeb |
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# dh_perl |
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dh_shlibdeps |
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dh_gencontrol -- -fdebian/files~ # to make a .udeb |
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# dh_gencontrol |
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$(foreach PACKAGE, $(PACKAGES), \ |
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(dpkg-distaddfile $(PACKAGE)_$(VERSION)_$(ARCH).udeb \ |
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debian-installer $(PRIORITY) ) ; ) |
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dh_md5sums |
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# I think the following should work, but it doesn't, so I revert to manually |
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# calling dpkg-deb |
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# $(foreach PACKAGE, $(PACKAGES), \ |
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# (dh_builddeb --filename=$(PACKAGE)_$(VERSION)_$(ARCH).udeb -- $(PACKAGE) \ |
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# ); ) # to make a .udeb |
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$(foreach PACKAGE, $(PACKAGES), \ |
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(cd debian ; \ |
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dpkg-deb -b $(PACKAGE) ../../$(PACKAGE)_$(VERSION)_$(ARCH).udeb \ |
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); ) # make a .udeb |
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# dh_builddeb |
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binary: binary-indep binary-arch |
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.PHONY: build clean binary-indep binary-arch binary install configure |
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@ -1,120 +1,215 @@ |
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/*
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netcfg.c : Configures the network |
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*/ |
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#include <string.h> |
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <unistd.h> |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#include "debconf.h" |
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#define IP4_ADDR_SZ (4) |
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struct ip4_addr |
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{ |
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int i[IP4_ADDR_SZ]; |
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} |
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ip4_addr_t; |
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char *host = NULL; |
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char *hostname = NULL; |
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char *domain = NULL; |
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u_int32_t ipaddress = 0; |
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u_int32_t network_address = 0; |
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u_int32_t netmask = 0; |
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u_int32_t gateway = 0; |
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ip4_addr_t ipaddr = { {192, 168, 1, 1} }; |
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ip4_addr_t netmask = { {255, 255, 255, 0} }; |
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ip4_addr_t network = { {192, 168, 1, 0} }; |
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ip4_addr_t broadcast = { {192, 168, 1, 255} }; |
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ip4_addr_t gateway = { {0, 0, 0, 0} }; |
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//#define INTERFACES_FILE "/etc/network/interfaces"
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#define INTERFACES_FILE "etc/network/interfaces" |
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/*
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* Checks a string with an IPv4-address for validity and converts it into an |
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* ip4_addr_t type; |
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*/ |
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int |
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atoIP4 (char *addr, ip4_addr_t * iaddr) |
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|
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/**
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* dot2num and num2dot |
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* Copyright: Karl Hammar, Aspö Data |
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*/ |
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char * |
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dot2num (u_int32_t * num, char *dot) |
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{ |
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char *end; |
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char *tmp_a; |
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char *current = strdup (addr); |
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char *next = NULL; |
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int ix = 0; |
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int tmp; |
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tmp_a = current; |
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end = current + strlen (current) + 1; |
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while (next != end) |
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char *p = dot - 1; |
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char *e; |
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int ix; |
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unsigned long val; |
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|
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if (!dot) |
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return NULL; |
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*num = 0; |
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for (ix = 0; ix < 4; ix++) |
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{ |
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next = strchr (current, '.'); |
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if (next == NULL) |
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next = end; |
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else |
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{ |
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*next = '\0'; |
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next++; |
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} |
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*num <<= 8; |
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p++; |
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val = strtoul (p, &e, 10); |
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if (e == p) |
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val = 0; |
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else if (val > 255) |
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return NULL; |
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*num += val; |
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/*printf("%#8x, %#2x\n", *num, val); */ |
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if (ix < 3 && *e != '.') |
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return NULL; |
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p = e; |
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} |
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if (ix == IP4_ADDR_SZ) |
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{ |
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free (tmp_a); |
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return 255; |
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} |
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else |
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{ |
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tmp = atoi (current); |
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if ((tmp < 0) || (tmp > 255)) |
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{ |
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free (tmp_a); |
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return 255; |
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} |
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iaddr->i[ix++] = tmp; |
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current = next; |
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} |
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return p; |
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} |
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|
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|
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void |
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num2dot (u_int32_t num, char *dot) |
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{ |
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/* dot MUST point to an char arr[16] or longer area */ |
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int byte[4]; |
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int ix; |
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|
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if (!dot) |
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return; |
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for (ix = 3; ix >= 0; ix--) |
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{ |
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byte[ix] = num & 0xff; |
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num >>= 8; |
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} |
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free (tmp_a); |
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if (ix != IP4_ADDR_SZ) |
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return 255; |
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return 0; |
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sprintf (dot, "%d.%d.%d.%d", byte[0], byte[1], byte[2], byte[3]); |
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} |
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|
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|
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static_network_cfg () |
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void |
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get_static_cfg (void) |
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{ |
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int ix; |
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int finished = 0; |
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char *ptr; |
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|
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debconf_command ("INPUT", "high", "netcfg/get_hostname", NULL); |
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do |
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{ |
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debconf_command ("INPUT", "critical", "netcfg/get_hostname", NULL); |
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debconf_command ("GO", NULL); |
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debconf_command ("GET", "netcfg/get_hostname", NULL); |
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hostname = debconf_ret (); |
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debconf_command ("subst", "netcfg/confirm_static_cfg", "hostname", |
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hostname, NULL); |
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debconf_command ("INPUT", "critical", "netcfg/get_domain", NULL); |
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debconf_command ("GO", NULL); |
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debconf_command ("GET", "netcfg/get_domain", NULL); |
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domain = debconf_ret (); |
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debconf_command ("subst", "netcfg/confirm_static_cfg", "domain", domain, |
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NULL); |
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do { |
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debconf_command ("INPUT", "critical", "netcfg/get_ipaddress", NULL); |
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debconf_command ("GO", NULL); |
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} while ( atoIP4(debconf_command ("GET", "netcfg/get_ipaddress", NULL), &ipaddress)) ; |
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debconf_command ("GET", "netcfg/get_ipaddress", NULL); |
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ptr = debconf_ret (); |
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debconf_command ("subst", "netcfg/confirm_static_cfg", "ipaddress", ptr, |
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NULL); |
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dot2num (&ipaddress, ptr); |
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|
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do { |
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debconf_command ("INPUT", "critical", "netcfg/get_netmask", NULL); |
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debconf_command ("GO", NULL); |
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} while ( atoIP4(debconf_command ("GET", "netcfg/get_netmask", NULL), &netmask)) ; |
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debconf_command ("GET", "netcfg/get_netmask", NULL); |
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ptr = debconf_ret (); |
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debconf_command ("subst", "netcfg/confirm_static_cfg", "netmask", ptr, |
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NULL); |
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dot2num (&netmask, debconf_ret ()); |
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|
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debconf_command ("INPUT", "critical", "netcfg/get_gateway", NULL); |
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debconf_command ("GO", NULL); |
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debconf_command ("GET", "netcfg/get_gateway", NULL); |
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ptr = debconf_ret (); |
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debconf_command ("subst", "netcfg/confirm_static_cfg", "gateway", ptr, |
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NULL); |
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dot2num (&gateway, ptr); |
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|
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|
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debconf_command ("INPUT", "high", "netcfg/confirm_static_cfg", NULL); |
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debconf_command ("GO", NULL); |
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debconf_command ("GET", "netcfg/confirm_static_cfg", NULL); |
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ptr = debconf_ret (); |
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|
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if (strstr (ptr, "true")) |
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finished = 1; |
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else |
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{ |
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debconf_command ("fset", "netcfg/get_hostname", "seen", "false", |
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NULL); |
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debconf_command ("fset", "netcfg/get_domain", "seen", "false", |
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NULL); |
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debconf_command ("fset", "netcfg/get_ipaddress", "seen", "false", |
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NULL); |
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debconf_command ("fset", "netcfg/get_netmask", "seen", "false", |
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NULL); |
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debconf_command ("fset", "netcfg/get_gateway", "seen", "false", |
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NULL); |
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debconf_command ("fset", "netcfg/confirm_static_cfg", "seen", |
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"false", NULL); |
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} |
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|
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/*
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* Generate the network, broadcast and default gateway address |
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* Default gateway address is network with last number set to "1", |
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* or "2" if "1" is the local address. |
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*/ |
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for (ix = 0; ix < IP4_ADDR_SZ; ix++) |
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{ |
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gateway.i[ix] = network.i[ix] = ipaddr.i[ix] & netmask.i[ix]; |
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broadcast.i[ix] = (~netmask.i[ix] & 255) | ipaddr.i[ix]; |
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} |
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gateway.i[IP4_ADDR_SZ - 1] |= |
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(ipaddr.i[IP4_ADDR_SZ - 1] == (network.i[IP4_ADDR_SZ - 1] | 1)) ? 2 : 1; |
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while (!finished); |
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|
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|
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} |
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|
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|
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|
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|
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void |
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write_static_cfg (void) |
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{ |
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FILE *fp; |
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char buf[16]; |
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int main(int argc, char *argv[]){ |
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if ((fp = fopen (INTERFACES_FILE, "w"))) |
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{ |
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fprintf (fp, |
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"\n# The first network card - this entry was created during the Debian installation\n"); |
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fprintf (fp, "# (network, broadcast and gateway are optional)\n"); |
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fprintf (fp, "iface eth0 inet static\n"); |
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debconf_command ("TITLE", "Network Configuration", NULL); |
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num2dot (ipaddress, buf); |
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fprintf (fp, "\taddress %s\n", buf); |
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|
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static_netork_cfg(); |
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num2dot (netmask, buf); |
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fprintf (fp, "\tnetmask %s\n", buf); |
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|
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num2dot (ipaddress, buf); |
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fprintf (fp, "\tnetwork %s\n", buf); |
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num2dot (ipaddress, buf); |
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fprintf (fp, "\tbroadcast %s\n", buf); |
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num2dot (ipaddress, buf); |
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fprintf (fp, "\tgateway %s\n", buf); |
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fclose (fp); |
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} |
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else |
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{ |
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perror ("fopen"); |
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fprintf (stderr, "Unable to write to '%s'\n", INTERFACES_FILE); |
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} |
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} |
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|
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|
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int |
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main (int argc, char *argv[]) |
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{ |
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|
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debconf_command ("TITLE", "Network Configuration", NULL); |
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get_static_cfg (); |
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write_static_cfg (); |
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|
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return 0; |
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} |
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|
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