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Consolidate some code between rule and default macro processing

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git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@4494 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
This commit is contained in:
teastep 2006-08-30 22:55:39 +00:00
parent 1c6c8607d0
commit 7c98a5df9f
2 changed files with 100 additions and 142 deletions
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240
Shorewall/compiler
View File

@ -1521,7 +1521,7 @@ __EOF__
#
# Not a builtin
#
process_actions3a
process_action3
;;
esac
done
@ -2072,89 +2072,13 @@ __EOF__
fi
fi
}
#
# Process a record from the rules file
# Process the contents of the USER/GROUP column
#
process_rule() # $1 = target
# $2 = clients
# $3 = servers
# $4 = protocol
# $5 = ports
# $6 = cports
# $7 = address
# $8 = ratelimit
# $9 = userspec
process_userspec()
{
local target="$1"
local clients="$2"
local servers="$3"
local protocol="$4"
local ports="$5"
local cports="$6"
local address="$7"
local ratelimit="$8"
local userspec="$9"
local userandgroup=
local logtag=
local nonat=
# # # # # F u n c t i o n B o d y # # # # #
[ "x$ratelimit" = "x-" ] && ratelimit=
if [ -n "$ratelimit" ]; then
case $ratelimit in
*:*)
ratelimit="-m limit --limit ${ratelimit%:*} --limit-burst ${ratelimit#*:}"
;;
*)
ratelimit="-m limit --limit $ratelimit"
;;
esac
fi
# Isolate log level
if [ "$target" = "${target%:*}" ]; then
loglevel=
else
loglevel="${target#*:}"
target="${target%%:*}"
expandv loglevel
if [ "$loglevel" != "${loglevel%:*}" ]; then
logtag="${loglevel#*:}"
loglevel="${loglevel%:*}"
expandv logtag
fi
case $loglevel in
none*)
loglevel=
[ $target = LOG ] && return
;;
esac
loglevel=${loglevel%\!}
fi
#
# Save the original target in 'logtarget' for logging rules
#
logtarget=${target%-}
#
# Targets ending in "-" only apply to the nat table
#
[ $target = $logtarget ] && dnat_only= || dnat_only=Yes
# Tranform the rule:
#
# - parse the user specification
# - set 'target' to the filter table target.
# - make $FW the destination for REDIRECT
# - remove '-' suffix from logtargets while setting 'dnat_only'
# - clear 'address' if it has been set to '-'
[ "x$userspec" = x- ] && userspec=
[ "x$address" = "x-" ] && address=
if [ -n "$userspec" ]; then
@ -2203,6 +2127,99 @@ process_rule() # $1 = target
[ "$userandgroup" = "-m owner" ] && userandgroup=
fi
}
#
# Process the RATE/LIMIT column contents
#
process_ratelimit() {
[ "x$ratelimit" = "x-" ] && ratelimit=
if [ -n "$ratelimit" ]; then
case $ratelimit in
*:*)
ratelimit="-m limit --limit ${ratelimit%:*} --limit-burst ${ratelimit#*:}"
;;
*)
ratelimit="-m limit --limit $ratelimit"
;;
esac
fi
}
#
# Process a record from the rules file
#
process_rule() # $1 = target
# $2 = clients
# $3 = servers
# $4 = protocol
# $5 = ports
# $6 = cports
# $7 = address
# $8 = ratelimit
# $9 = userspec
{
local target="$1"
local clients="$2"
local servers="$3"
local protocol="$4"
local ports="$5"
local cports="$6"
local address="$7"
local ratelimit="$8"
local userspec="$9"
local userandgroup=
local logtag=
local nonat=
# # # # # F u n c t i o n B o d y # # # # #
process_ratelimit
# Isolate log level
if [ "$target" = "${target%:*}" ]; then
loglevel=
else
loglevel="${target#*:}"
target="${target%%:*}"
expandv loglevel
if [ "$loglevel" != "${loglevel%:*}" ]; then
logtag="${loglevel#*:}"
loglevel="${loglevel%:*}"
expandv logtag
fi
case $loglevel in
none*)
loglevel=
[ $target = LOG ] && return
;;
esac
loglevel=${loglevel%\!}
fi
#
# Save the original target in 'logtarget' for logging rules
#
logtarget=${target%-}
#
# Targets ending in "-" only apply to the nat table
#
[ $target = $logtarget ] && dnat_only= || dnat_only=Yes
# Tranform the rule:
#
# - parse the user specification
# - set 'target' to the filter table target.
# - make $FW the destination for REDIRECT
# - remove '-' suffix from logtargets while setting 'dnat_only'
# - clear 'address' if it has been set to '-'
[ "x$address" = "x-" ] && address=
process_userspec
case $target in
ACCEPT+|NONAT)
@ -2844,68 +2861,9 @@ process_default_macro() # $1 = macro name
esac
fi
[ "x$userspec" = "x-" ] && userspec=
process_userspec
if [ -n "$userspec" ]; then
userandgroup="-m owner"
case "$userspec" in
!*+*)
if [ -n "${userspec#*+}" ]; then
userandgroup="$userandgroup ! --cmd-owner ${userspec#*+}"
fi
userspec=${userspec%+*}
;;
*+*)
if [ -n "${userspec#*+}" ]; then
userandgroup="$userandgroup --cmd-owner ${userspec#*+}"
fi
userspec=${userspec%+*}
;;
esac
case "$userspec" in
!*:*)
if [ "$userspec" != "!:" ]; then
temp="${userspec#!}"
temp="${temp%:*}"
[ -n "$temp" ] && userandgroup="$userandgroup ! --uid-owner $temp"
temp="${userspec#*:}"
[ -n "$temp" ] && userandgroup="$userandgroup ! --gid-owner $temp"
fi
;;
*:*)
if [ "$userspec" != ":" ]; then
temp="${userspec%:*}"
[ -n "$temp" ] && userandgroup="$userandgroup --uid-owner $temp"
temp="${userspec#*:}"
[ -n "$temp" ] && userandgroup="$userandgroup --gid-owner $temp"
fi
;;
!*)
[ "$userspec" != "!" ] && userandgroup="$userandgroup ! --uid-owner ${userspec#!}"
;;
*)
[ -n "$userspec" ] && userandgroup="$userandgroup --uid-owner $userspec"
;;
esac
[ "$userandgroup" = "-m owner" ] && userandgroup=
fi
[ "x$ratelimit" = "x-" ] && ratelimit=
if [ -n "$ratelimit" ]; then
case $ratelimit in
*:*)
ratelimit="-m limit --limit ${ratelimit%:*} --limit-burst ${ratelimit#*:}"
;;
*)
ratelimit="-m limit --limit $ratelimit"
;;
esac
fi
process_ratelimit
add_a_rule
progress_message "Rule \"$target $protocol $port $cport $ratelimit $userspec\" $DONE"

2
Shorewall/lib.actions
View File

@ -713,7 +713,7 @@ process_actions2() {
# process_action3() is in the compiler. What follows is called from that function when the action
# being processed is not a builtin.
process_actions3a() {
process_action3() {
local f=action.$xaction1