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#!/bin/sh
#
# Wrapper to set environment variables then exec the real zapper.
# The reasons for this are twofold:
# - for some reason squid doesn't preserve the original environment
# when you do a restart (or SIGHUP)
# - to avoid having to hack the squid startup script (if you have
# a presupplied one, such as ships with some linux distributions)
#
# Install in the same directory you put the zapper (just for convenience) and
# hack the pathnames below to suit.
# Note that you can skip this script and run the zapper with no environment
# settings at all and it will work fine; the variables are all set here merely
# for completeness so that customisation is easy for you.
# - Cameron Simpson <cs@zip.com.au> 21apr2000
#
# modify this to match your install
zapper=/usr/local/bin/squid_redirect
ZAP_MODE= # or "CLEAR"
ZAP_BASE=http://adzapper.sourceforge.net/zaps # a local web server will be better
ZAP_BASE_SSL=https://adzapper.sourceforge.net/zaps # this can probably be ignored
ZAP_PREMATCH= # pathname of extra pattern file
# for patterns to preempt the stock
# zapper
ZAP_POSTMATCH= # pathname of extra pattern file
# for patterns in addition to the
# stock zapper; this is the one to
# which you should add new ads
ZAP_MATCH= # pathname of extra pattern file
# for patterns to use instead of the
# inbuilt pattern list
ZAP_NO_CHANGE= # set to "NULL" is your proxy is Apache2 instead of Squid
STUBURL_AD=$ZAP_BASE/ad.gif
STUBURL_ADSSL=$ZAP_BASE_SSL/ad.gif
STUBURL_ADBG=$ZAP_BASE/adbg.gif
STUBURL_ADJS=$ZAP_BASE/no-op.js
STUBURL_ADJSTEXT=
STUBURL_ADHTML=$ZAP_BASE/no-op.html
STUBURL_ADHTMLTEXT=
STUBURL_ADMP3=$ZAP_BASE/ad.mp3
STUBURL_ADPOPUP=$ZAP_BASE/closepopup.html
STUBURL_ADSWF=$ZAP_BASE/ad.swf
STUBURL_COUNTER=$ZAP_BASE/counter.gif
STUBURL_COUNTERJS=$ZAP_BASE/no-op-counter.js
STUBURL_COUNTERHTML=$ZAP_BASE/no-op-counter.html
STUBURL_WEBBUG=$ZAP_BASE/webbug.gif
STUBURL_WEBBUGJS=$ZAP_BASE/webbug.js
STUBURL_WEBBUGHTML=$ZAP_BASE/webbug.html
STUBURL_PRINT= # off by default, set to 1
export ZAP_MODE ZAP_BASE ZAP_BASE_SSL ZAP_PREMATCH ZAP_POSTMATCH ZAP_MATCH ZAP_NO_CHANGE
export STUBURL_AD STUBURL_ADSSL STUBURL_ADJS STUBURL_ADHTML STUBURL_ADMP3 \
STUBURL_ADPOPUP STUBURL_ADSWF STUBURL_COUNTER STUBURL_COUNTERJS \
STUBURL_COUNTERHTML STUBURL_WEBBUG STUBURL_WEBBUGJS STUBURL_WEBBUGHTML \
STUBURL_PRINT STUBURL_ADHTMLTEXT STUBURL_ADJSTEXT
# Here, having arranged the environment, we exec the real zapper.
# If you're chaining redirectors then comment out the direct exec below and
# uncomment (and adjust) the exec of zapchain which takes care of running
# multiple redirections.
exec "$zapper"
# exec /path/to/zapchain "$zapper" /path/to/another/eg/squirm
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