ipif/udptunnel-vpn-config.m4

   1 m4_dnl udptunnel-vpn-config.m4: macros for udptunnel-reconf et al
   2
   3 m4_dnl This file is part of ipif, part of userv-utils
   4 m4_dnl
   5 m4_dnl Copyright 1996-2013 Ian Jackson <ijackson@chiark.greenend.org.uk>
   6 m4_dnl Copyright 1998 David Damerell <damerell@chiark.greenend.org.uk>
   7 m4_dnl Copyright 1999,2003
   8 m4_dnl    Chancellor Masters and Scholars of the University of Cambridge
   9 m4_dnl Copyright 2010 Tony Finch <fanf@dotat.at>
  10 m4_dnl
  11 m4_dnl This is free software; you can redistribute it and/or modify it
  12 m4_dnl under the terms of the GNU General Public License as published by
  13 m4_dnl the Free Software Foundation; either version 3 of the License, or
  14 m4_dnl (at your option) any later version.
  15 m4_dnl
  16 m4_dnl This program is distributed in the hope that it will be useful, but
  17 m4_dnl WITHOUT ANY WARRANTY; without even the implied warranty of
  18 m4_dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19 m4_dnl General Public License for more details.
  20 m4_dnl
  21 m4_dnl You should have received a copy of the GNU General Public License
  22 m4_dnl along with userv-utils; if not, see http://www.gnu.org/licenses/.
  23
  24 m4_define(V_JUNK,1)m4_divert(V_JUNK)
  25 m4_define(V_VARIABLE,2)
  26 m4_define(V_ACTIVES,3)
  27 m4_define(V_PASSIVES,4)
  28 m4_changequote([,])
  29
  30 m4_define(V_WARGS, [
  31  m4_define([$1], [m4_ifelse($][#,$2,[$3],
  32   [# ]m4___file__:m4___line__[: wrong number of args to $1])])])
  33
  34 V_WARGS([SET], 2, [V_SET([V_$1], [$2])])
  35 m4_define(V_YES, [m4_define([V_SET],[m4_define($][@)])])
  36 m4_define(V_NO, [m4_define([V_SET], [])])
  37
  38 m4_define(V_ACTPA, [
  39  V_WARGS($1, 1, [m4_divert(V_$1S)$][1 m4_dnl
  40  m4_divert(V_JUNK)m4_ifelse($][1,V_site,
  41   [V_YES],
  42   [V_NO]
  43 )])])
  44
  45 m4_dnl   V_WARGS(, 2, [m4_divert(V_PASSIVES)$1 m4_dnl
  46 m4_dnl   m4_divert(V_JUNK)m4_ifelse([$1],V_site, [$2])])
  47
  48 m4_divert(V_JUNK)
  49
  50 V_YES
  51 m4_include(V_defaults)
  52
  53 V_WARGS(SITE, 1, [m4_ifelse([$1],V_site, [V_YES], [V_NO])])
  54 V_YES
  55 m4_include(V_sites)
  56 m4_undefine([SITE])
  57
  58 V_ACTPA(ACTIVE)
  59 V_ACTPA(PASSIVE)
  60 V_YES
  61 m4_include(V_tunnels)
  62
  63 V_YES
  64 m4_include(V_global)
  65
  66 m4_divert(V_VARIABLE)
  67 WHVARIABLE
  68 m4_divert(V_JUNK)
  69
  70 m4_define(V_WANTED, V_[]WANTED)
  71 m4_divert(0)
  72 m4_undivert(V_WANTED)
  73 m4_divert(-1)
  74 m4_undivert(V_JUNK)
  75 m4_undivert(V_ACTIVES)
  76 m4_undivert(V_PASSIVES)
  77 m4_undivert(V_VARIABLE)