Add httpd-utils
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utils/httpd/Makefile
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58
utils/httpd/Makefile
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# httpd-utils
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# Written in 2020 by Lucas
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# CC0 1.0 Universal/Public domain - No rights reserved
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#
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# To the extent possible under law, the author(s) have dedicated all
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# copyright and related and neighboring rights to this software to the
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# public domain worldwide. This software is distributed without any
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# warranty. You should have received a copy of the CC0 Public Domain
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# Dedication along with this software. If not, see
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# <http://creativecommons.org/publicdomain/zero/1.0/>.
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.POSIX:
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.SUFFIXES:
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.SUFFIXES: .c
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P = httpd-utils
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V = 1
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DOMAIN = example.net
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DOMAIN_V4 = 4.${DOMAIN}
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DOMAIN_V6 = 6.${DOMAIN}
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IPV4 = 192.0.2.1
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IPV6 = 2001:db8::2
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PREFIX = /var/www/htdocs/${DOMAIN}
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CGI = ip
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SRC = ip.c gen-config.sh gen-index.sh
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TXT = codes.txt
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.c:
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${CC} ${CFLAGS} ${LDFLAGS} -static -o $@ $<
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all: ${DOMAIN}.httpd.conf index.html ${CGI}
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${DOMAIN}.httpd.conf: gen-config.sh codes.txt
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sh gen-config.sh ${DOMAIN} ${DOMAIN_V4} ${IPV4} ${DOMAIN_V6} ${IPV6} >$@
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index.html: gen-index.sh codes.txt
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sh gen-index.sh ${DOMAIN} ${DOMAIN_V4} ${DOMAIN_V6} >$@
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clean:
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rm -f ${DOMAIN}.httpd.conf index.html ${CGI} ${P}-${V}.tgz
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dist: clean
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pax -ws ',^,${P}-${V}/,' Makefile ${SRC} ${TXT} | gzip >${P}-${V}.tgz
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install: all
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cp -f ${DOMAIN}.httpd.conf /etc
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mkdir -p ${PREFIX}
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cp -f ${CGI} ${PREFIX}
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cd ${PREFIX} && chmod 555 ${CGI}
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cd ${PREFIX} && chown www:www ${CGI}
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cp -f index.html ${PREFIX}
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cd ${PREFIX} && chmod 444 index.html
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cd ${PREFIX} && chown www:www index.html
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uninstall:
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rm -f /etc/${DOMAIN}.httpd.conf
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cd ${PREFIX} && rm -f ${CGI} index.html
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70
utils/httpd/codes.txt
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70
utils/httpd/codes.txt
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# Informational 1xx
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100
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101
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102
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# Successful 2xx
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200
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201
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202
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203
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204
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205
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206
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207
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208
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226
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# Redirection 3xx
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300
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301
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302
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303
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304
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305
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306
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307
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308
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# Client Error 4xx
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400
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401
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402
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403
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404
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405
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406
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407
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408
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409
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410
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411
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412
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413
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414
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415
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416
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417
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418
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420
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422
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423
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424
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426
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428
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429
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431
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451
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# Server Error 5xx
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500
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501
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502
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503
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504
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505
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506
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507
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508
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510
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511
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84
utils/httpd/gen-config.sh
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84
utils/httpd/gen-config.sh
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#!/bin/sh
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# httpd-utils
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# Written in 2020 by Lucas
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# CC0 1.0 Universal/Public domain - No rights reserved
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#
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# To the extent possible under law, the author(s) have dedicated all
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# copyright and related and neighboring rights to this software to the
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# public domain worldwide. This software is distributed without any
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# warranty. You should have received a copy of the CC0 Public Domain
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# Dedication along with this software. If not, see
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# <http://creativecommons.org/publicdomain/zero/1.0/>.
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usage()
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{
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printf "Usage: %s domain domain_v4 ipv4 domain_v6 ipv6\n" "${0##*/}" >&2
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exit 1
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}
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list_codes()
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{
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case $1 in
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1xx) q='1[0-9][0-9]' ;;
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2xx) q='2[0-9][0-9]' ;;
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3xx) q='3[0-9][0-9]' ;;
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4xx) q='4[0-9][0-9]' ;;
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5xx) q='5[0-9][0-9]' ;;
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*) q=X ;;
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esac
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grep -x -- "$q" codes.txt
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}
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print_block_return()
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{
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_c=$1 _l=${2:-}
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_fmt='\tlocation "/c/%u" { block return %u'${_l:+' "%s"'}' }\n'
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printf "$_fmt" $_c $_c $_l
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}
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[ $# -eq 5 ] || usage
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domain=$1 domain_v4=$2 ipv4=$3 domain_v6=$4 ipv6=$5
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cat - <<EOF
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server "$domain" {
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listen on $ipv4 port http
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listen on $ipv6 port http
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listen on $ipv4 tls port https
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listen on $ipv6 tls port https
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no log
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alias "$domain_v4"
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alias "$domain_v6"
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tls {
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certificate "/etc/ssl/$domain.fullchain.pem"
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key "/etc/ssl/private/$domain.key"
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}
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location "/.well-known/acme-challenge/*" {
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root "/acme"
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request strip 2
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}
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root "/htdocs/$domain"
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location "/ip" { fastcgi }
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EOF
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for _c in $(list_codes 1xx); do
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print_block_return "$_c"
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done
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for _c in $(list_codes 2xx); do
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print_block_return "$_c"
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done
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for _c in $(list_codes 3xx); do
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print_block_return "$_c" "/"
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done
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for _c in $(list_codes 4xx); do
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print_block_return "$_c"
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done
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for _c in $(list_codes 5xx); do
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print_block_return "$_c"
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done
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printf "}\n"
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114
utils/httpd/gen-index.sh
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114
utils/httpd/gen-index.sh
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#!/bin/sh
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# httpd-utils
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# Written in 2020 by Lucas
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# CC0 1.0 Universal/Public domain - No rights reserved
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#
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# To the extent possible under law, the author(s) have dedicated all
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# copyright and related and neighboring rights to this software to the
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# public domain worldwide. This software is distributed without any
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# warranty. You should have received a copy of the CC0 Public Domain
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# Dedication along with this software. If not, see
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# <http://creativecommons.org/publicdomain/zero/1.0/>.
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usage()
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{
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printf "Usage: %s domain domain_v4 domain_v6\n" "${0##*/}" >&2
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exit 1
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}
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list_codes()
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{
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case $1 in
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1xx) q='1[0-9][0-9]' ;;
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2xx) q='2[0-9][0-9]' ;;
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3xx) q='3[0-9][0-9]' ;;
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4xx) q='4[0-9][0-9]' ;;
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5xx) q='5[0-9][0-9]' ;;
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*) q=X ;;
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esac
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grep -x -- "$q" codes.txt
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}
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show_category()
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{
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_t=$1 _cc=$2
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cat - <<EOF
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<dl>
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<dt>$_t $_cc</dt>
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EOF
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for _c in $(list_codes "$_cc"); do
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printf '\t\t\t<dd><a href="/c/%u">%u</a></dd>\n' "$_c" "$_c"
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done
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printf "\t\t</dl>\n"
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}
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[ $# -eq 3 ] || usage
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domain=$1 domain_v4=$2 domain_v6=$3
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cat - <<EOF
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8" />
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<title>$domain</title>
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<style>
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* {
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margin: 0;
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padding: 0;
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}
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body {
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width: 800px;
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margin: 20px auto;
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font-size: 16px;
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line-height: 20px;
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}
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h1,
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h2,
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dl {
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margin-bottom: 20px;
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}
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dd {
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margin-left: 20px;
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}
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h1 {
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font-size: 32px;
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line-height: 40px;
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}
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h2 {
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font-size: 24px;
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line-height: 40px;
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}
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</style>
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</head>
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<body>
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<h1>$domain</h1>
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<h2>Utilities</h2>
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<dl>
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<dt><a href="/ip">/ip</a></dt>
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<dd>shows client IP.</dd>
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<dt><a href="//$domain_v4/ip">$domain_v4/ip</a></dt>
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<dd>shows client IP, only listens on a IPv4 address.</dd>
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<dt><a href="//$domain_v6/ip">$domain_v6/ip</a></dt>
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<dd>shows client IP, only listens on a IPv6 address.</dd>
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</dl>
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<h2>HTTP status codes</h2>
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EOF
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show_category "Informational" 1xx
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show_category "Successful" 2xx
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show_category "Redirection" 3xx
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show_category "Client Error" 4xx
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show_category "Server Error" 5xx
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cat - <<EOF
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</body>
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</html>
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EOF
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31
utils/httpd/ip.c
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31
utils/httpd/ip.c
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/*
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* httpd-utils
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* Written in 2020 by Lucas
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* CC0 1.0 Universal/Public domain - No rights reserved
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*
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* To the extent possible under law, the author(s) have dedicated all
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* copyright and related and neighboring rights to this software to the
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* public domain worldwide. This software is distributed without any
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* warranty. You should have received a copy of the CC0 Public Domain
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* Dedication along with this software. If not, see
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* <http://creativecommons.org/publicdomain/zero/1.0/>.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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int
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main(void)
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{
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char *ip;
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ip = getenv("HTTP_X_FORWARDED_FOR");
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if (ip == NULL)
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ip = getenv("REMOTE_ADDR");
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if (ip == NULL)
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ip = "unknown";
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printf("Content-type: text/plain\n\n%s\n", ip);
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return 0;
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}
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