mdw@git.distorted.org.uk Git - firewall/blob - Makefile

   1 ### -*-makefile-*-
   2 ###
   3 ### Makefile for firewall scripts
   4 ###
   5 ### (c) 2008 Mark Wooding
   6 ###
   7
   8 ###----- Licensing notice ---------------------------------------------------
   9 ###
  10 ### This program is free software; you can redistribute it and/or modify
  11 ### it under the terms of the GNU General Public License as published by
  12 ### the Free Software Foundation; either version 2 of the License, or
  13 ### (at your option) any later version.
  14 ###
  15 ### This program is distributed in the hope that it will be useful,
  16 ### but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 ### GNU General Public License for more details.
  19 ###
  20 ### You should have received a copy of the GNU General Public License
  21 ### along with this program; if not, write to the Free Software Foundation,
  22 ### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  23 ### Makefile for firewall scripts
  24
  25 ###--------------------------------------------------------------------------
  26 ### Preamble.
  27
  28 ## Extend these variables in `local.mk' to match your site.
  29 MAIN_M4_SOURCES          =
  30 HOSTS                    =
  31
  32 ## Where to install the scripts.
  33 FIREWALL                 = /etc/init.d/firewall
  34
  35 ## How to achieve root privileges.
  36 ROOT                     = sudo
  37
  38 ## Throw additional scripts in here to have them installed.
  39 SCRIPTS                  =
  40 sbindir                  = /usr/local/sbin
  41
  42 ## Establish the default target early, so that targets in `local.mk' don't
  43 ## override it.
  44 default: all
  45 .PHONY: default
  46
  47 ###--------------------------------------------------------------------------
  48 ### Clever silent-rules stuff.
  49
  50 ## Verbosity switch.
  51 V                        = 0
  52
  53 ## Suppressing command output.
  54 V_AT                     = $(V_AT_$V)
  55 V_AT_0                   = @
  56 V_AT_1                   =
  57
  58 ## Replacing them with messages.
  59 v_echo                   = $(call v_echo_$V,$1)
  60 v_echo_0                 = @printf "  %-6s %s\n" "$1" "$@";
  61 v_echo_1                 =
  62
  63 ## Hacking.
  64 empty                    =
  65 space                    = $(empty) $(empty)
  66
  67 ## Specific commands.
  68 V_M4                     = $(call v_echo,M4)m4 -P$(space)
  69 V_GEN                    = $(call v_echo,GEN)
  70
  71 ###--------------------------------------------------------------------------
  72 ### Local configuration.
  73
  74 ## Should set up HOSTS and add stuff to MAIN_M4_SOURCES if necessary.  Feel
  75 ## free to define additional targets here.
  76 include local.mk
  77
  78 ###--------------------------------------------------------------------------
  79 ### Configuration.
  80
  81 ## The main m4 inputs which construct the firewall.  These are read in last
  82 ## to allow local configuration to change their environments.
  83 MAIN_M4_SOURCES         += config.m4
  84 MAIN_M4_SOURCES         += prologue.m4
  85 MAIN_M4_SOURCES         += functions.m4
  86 MAIN_M4_SOURCES         += numbers.m4
  87 MAIN_M4_SOURCES         += bookends.m4
  88 MAIN_M4_SOURCES         += classify.m4
  89 MAIN_M4_SOURCES         += icmp.m4
  90
  91 ## All of our m4 inputs.  The base gets read first to set things up.
  92 M4_SOURCES               = base.m4
  93 M4_SOURCES              += $(MAIN_M4_SOURCES)
  94
  95 ###--------------------------------------------------------------------------
  96 ### Hosts.
  97
  98 TARGETS                  = $(addsuffix .sh,$(HOSTS))
  99
 100 ###--------------------------------------------------------------------------
 101 ### Prologue testing.
 102
 103 TARGETS                 += dummy.sh
 104 dummy.sh: base.m4 prologue.m4 dummy-payload.m4
 105         $(V_M4)-DFWHOST=testing $^ >$@.new
 106         $(V_AT)chmod +x $@.new && mv $@.new $@
 107
 108 TARGETS                 += dummy-inst.sh
 109 dummy-inst.sh: dummy.sh
 110         $(V_GEN)sed '/dummy_action=/s/lose/win/' $< >$@.new
 111         $(V_AT)chmod +x $@.new && mv $@.new $@
 112
 113 ###--------------------------------------------------------------------------
 114 ### Other utilities.
 115
 116 ## A list of diversions in ascending numerical order.
 117 CLEANFILES              += divs
 118 divs: $(M4_SOURCES) $(addsuffix .m4,$(HOSTS))
 119         $(V_GEN)grep -n m4_divert $^ | \
 120                 grep -v 'm4_divert(-1)' | \
 121                 sort -t\( -k2n >$@
 122
 123 ###--------------------------------------------------------------------------
 124 ### Building.
 125
 126 all: $(TARGETS)
 127 .PHONY: all
 128
 129 %.sh: %.m4 $(M4_SOURCES)
 130         $(V_M4)-DFWHOST=$* base.m4 $*.m4 $(MAIN_M4_SOURCES) >$@.new
 131         $(V_AT)chmod +x $@.new && mv $@.new $@
 132
 133 clean:; rm -f $(TARGETS) *.new $(CLEANFILES)
 134 .PHONY: clean
 135
 136 ###--------------------------------------------------------------------------
 137 ### Installation.
 138
 139 ## The local machine doesn't want the complicated SSH stuff.
 140 THISHOST                 = $(shell hostname)
 141 OTHERHOSTS               = $(filter-out $(THISHOST), $(HOSTS))
 142
 143 ## Testing.
 144 check: $(THISHOST).sh
 145         $(ROOT) ./$(THISHOST).sh test
 146
 147 ## Installation on a local host,
 148 install/$(THISHOST): $(THISHOST).sh
 149         [ "x$(SCRIPTS)" = x ] || $(ROOT) install -m755 $(SCRIPTS) $(sbindir)
 150         $(ROOT) ./$(THISHOST).sh replace </dev/tty
 151
 152 ## Installation on a remote host.
 153 $(addprefix install/, $(OTHERHOSTS)): install/%: %.sh
 154         if [ "x$(SCRIPTS)" != x ]; then \
 155           for i in $(SCRIPTS); do \
 156             $(ROOT) scp $$i root@$*:$(sbindir)/$$i.new && \
 157             $(ROOT) ssh root@$* \
 158                 'cd $(sbindir) && chmod 755 $$i.new && mv $$i.new $i' || \
 159             exit 1; \
 160           done; \
 161         fi
 162         $(ROOT) scp $*.sh root@$*:$(FIREWALL).new
 163         $(ROOT) ssh root@$* $(FIREWALL).new remote-prepare
 164         $(ROOT) ssh root@$* $(FIREWALL).new remote-commit
 165         $(ROOT) ssh root@$* rm -f $(FIREWALL).new
 166
 167 ## General installation target.
 168 install: all $(addprefix install/,$(HOSTS))
 169 .PHONY: install $(addprefix install/,$(HOSTS))
 170
 171 ###----- That's all, folks --------------------------------------------------