bash-httpd.sh
· 4.0 KiB · Bash
Raw
#!/bin/bash
# Configurable variables
PATH=/bin:/usr/bin:/usr/local/bin
DOC_ROOT=~/temp/www
DEF_HTML=index.html
DEF_DIR=www
LOG_FACILITY=local1
# End of configurables
HTTP_VERSION="HTTP/1.0"
SERVER="bash-httpd/0.04"
CR=`printf "\015"`
program="${0##/*/}"
response_code(){
num="$1"
case "$num" in
200) err="OK";;
403) err="Forbidden";;
404) err="Not Found";;
500) err="Internal Server Error";;
501) err="Not Implemented";;
*) err="Internal Server Error"
log err "Unknown response: $num"
num=500
;;
esac
log notice "response: $num"
echo "$HTTP_VERSION $num $err"
}
error(){
response_code $1
if [ "$2" ]; then problem="$2"; else problem="$err"; fi
cat <<EOF
Content-Type: text/html
<!DOCTYPE html><html><head><meta http-equiv="content-type" content="text/html; charset=utf-8" /><title> $problem </title></head><body><h1> $num $problem </h1> $problem </body></html>
EOF
log err "$problem"
exit 1
}
log(){
level="$1"; message="$2"
#logger -p $LOG_FACILITY."$level" "$program[$$]: $method $url $version: $message"
echo "$level" "$program[$$]: $method $url $version: $message">&2
}
read method url version
method="${method%$CR}";
url="${url%$CR}";
version="${version%$CR}";
case "$version" in
""|http/0.9|HTTP/0.9)
readmore=0;;
http/1.0|HTTP/1.0|http/1.1|HTTP/1.1)
readmore=1;;
*)
log notice "$method $url $version"
error 501 "Unknown version";;
esac
if [ "$readmore" != 0 ]; then
read foo; while [ "$foo" != "$CR" -a "$foo" != "" ]; do read foo; done
fi
case "$method" in
GET|get)
what=get;;
HEAD|head)
what=head;;
*)
echo "$method"
error 501 "Unimplemented method";;
esac
echo "URL: $url" >&2
case "$url" in
"/envhi.txt")
type=envfun; file="$DOC_ROOT/env.txt"
;;
"/ipimg.jpg")
type=ipimg; file="$DOC_ROOT/ipimg.jpg"
;;
"/usenet/"*)
type=usenetsearch; file="$(echo "$url"|cut -d/ -f3-)"
;;
*/../*|*[^/A-Za-z0-9~.-]*)
error 403 "Illegal attempt to access resource"
;;
#/~*)
#user="${url#/~}";
#user="${user%%/*}";
#user=`eval echo ~$user`; # we had *better* have cleaned up $url
#rest="${url#/~*/}"; rest="${rest##/~*}";
#type=file; file="$user/$DEF_DIR/$rest"
#;;
""|/*)
type=file; file="$DOC_ROOT/$url"
;;
*)
error 501 "Unknown request type"
;;
esac
case $type in
file)
if [ -d "$file" ]; then file="$file/$DEF_HTML"; fi
if [ ! -e "$file" ]; then error 404; fi
if [ ! -r "$file" ]; then error 403; fi
response_code 200
if [ "$what" = "head" ]; then echo; exit 0; fi
case "$file" in
*.html | *.htm) mime=text/html;;
*.jpg|*.jpeg) mime=image/jpeg;;
*.gif) mime=image/gif;;
*.gz|*.tgz) mime=application/binary;;
*.txt|*.text) mime=text/plain;;
*.css) mime=text/css;;
*.js) mime=text/javascript;;
*.json) mime=application/json;;
*) mime=application/binary;;
esac
echo Content-Type: $mime; echo; cat $file
;;
usenetsearch)
ubase="/home/julian/.slrn/spools/news.tilde.green/news/"
response_code 200
echo 'Content-Type: text/plain'; echo
[ "$file" = "" ] && { echo "Use: /usenet/search_term or /usenet/file.path.to.article"; exit; }
echo "$file" | grep -q '\.'
[ "$?" = "1" ] && search=yes || search=no
[ "$search" = "yes" ] && file="$(echo "$file"|sed -e 's;"; ;g' -e 's;%;.;g')"
[ "$search" = "yes" ] && grep -R -- "$file" "${ubase}campaignwiki" "${ubase}tilde"|sed -e 's;'"$ubase"';;g'
[ "$search" = "no" ] && file="$(echo "$file"|sed 's;\.;/;g')"
[ "$search" = "no" ] && [ -f "${ubase}$file" ] && cat "${ubase}${file}"
;;
ipimg)
response_code 200
echo 'Content-Type: image/jpeg'; echo
[ ! -f "$DOC_ROOT/$SOCAT_PEERADDR.jpg" ] && magick -gravity center -background black -fill white -size 400x300 -font "/home/julian/.local/share/fonts/Hack Regular Nerd Font Complete.ttf" caption:"Hello, your IP is $SOCAT_PEERADDR" $DOC_ROOT/$SOCAT_PEERADDR.jpg >&2
cat $DOC_ROOT/$SOCAT_PEERADDR.jpg
;;
envfun)
response_code 200
echo 'Content-Type: text/plain'; echo
echo "ENV: <END"
#env
echo "Feature Disabled"
echo "END"
;;
*)
error 501 "Messed up internal type"
;;
esac
| 1 | #!/bin/bash |
| 2 | # Configurable variables |
| 3 | PATH=/bin:/usr/bin:/usr/local/bin |
| 4 | DOC_ROOT=~/temp/www |
| 5 | DEF_HTML=index.html |
| 6 | DEF_DIR=www |
| 7 | LOG_FACILITY=local1 |
| 8 | # End of configurables |
| 9 | HTTP_VERSION="HTTP/1.0" |
| 10 | SERVER="bash-httpd/0.04" |
| 11 | |
| 12 | CR=`printf "\015"` |
| 13 | program="${0##/*/}" |
| 14 | |
| 15 | response_code(){ |
| 16 | num="$1" |
| 17 | case "$num" in |
| 18 | 200) err="OK";; |
| 19 | 403) err="Forbidden";; |
| 20 | 404) err="Not Found";; |
| 21 | 500) err="Internal Server Error";; |
| 22 | 501) err="Not Implemented";; |
| 23 | *) err="Internal Server Error" |
| 24 | log err "Unknown response: $num" |
| 25 | num=500 |
| 26 | ;; |
| 27 | esac |
| 28 | log notice "response: $num" |
| 29 | echo "$HTTP_VERSION $num $err" |
| 30 | } |
| 31 | |
| 32 | error(){ |
| 33 | response_code $1 |
| 34 | if [ "$2" ]; then problem="$2"; else problem="$err"; fi |
| 35 | cat <<EOF |
| 36 | Content-Type: text/html |
| 37 | <!DOCTYPE html><html><head><meta http-equiv="content-type" content="text/html; charset=utf-8" /><title> $problem </title></head><body><h1> $num $problem </h1> $problem </body></html> |
| 38 | EOF |
| 39 | log err "$problem" |
| 40 | exit 1 |
| 41 | } |
| 42 | |
| 43 | log(){ |
| 44 | level="$1"; message="$2" |
| 45 | #logger -p $LOG_FACILITY."$level" "$program[$$]: $method $url $version: $message" |
| 46 | echo "$level" "$program[$$]: $method $url $version: $message">&2 |
| 47 | } |
| 48 | |
| 49 | read method url version |
| 50 | |
| 51 | method="${method%$CR}"; |
| 52 | url="${url%$CR}"; |
| 53 | version="${version%$CR}"; |
| 54 | |
| 55 | case "$version" in |
| 56 | ""|http/0.9|HTTP/0.9) |
| 57 | readmore=0;; |
| 58 | http/1.0|HTTP/1.0|http/1.1|HTTP/1.1) |
| 59 | readmore=1;; |
| 60 | *) |
| 61 | log notice "$method $url $version" |
| 62 | error 501 "Unknown version";; |
| 63 | esac |
| 64 | |
| 65 | if [ "$readmore" != 0 ]; then |
| 66 | read foo; while [ "$foo" != "$CR" -a "$foo" != "" ]; do read foo; done |
| 67 | fi |
| 68 | |
| 69 | case "$method" in |
| 70 | GET|get) |
| 71 | what=get;; |
| 72 | HEAD|head) |
| 73 | what=head;; |
| 74 | *) |
| 75 | echo "$method" |
| 76 | error 501 "Unimplemented method";; |
| 77 | esac |
| 78 | |
| 79 | echo "URL: $url" >&2 |
| 80 | case "$url" in |
| 81 | "/envhi.txt") |
| 82 | type=envfun; file="$DOC_ROOT/env.txt" |
| 83 | ;; |
| 84 | "/ipimg.jpg") |
| 85 | type=ipimg; file="$DOC_ROOT/ipimg.jpg" |
| 86 | ;; |
| 87 | "/usenet/"*) |
| 88 | type=usenetsearch; file="$(echo "$url"|cut -d/ -f3-)" |
| 89 | ;; |
| 90 | */../*|*[^/A-Za-z0-9~.-]*) |
| 91 | error 403 "Illegal attempt to access resource" |
| 92 | ;; |
| 93 | #/~*) |
| 94 | #user="${url#/~}"; |
| 95 | #user="${user%%/*}"; |
| 96 | #user=`eval echo ~$user`; # we had *better* have cleaned up $url |
| 97 | #rest="${url#/~*/}"; rest="${rest##/~*}"; |
| 98 | #type=file; file="$user/$DEF_DIR/$rest" |
| 99 | #;; |
| 100 | ""|/*) |
| 101 | type=file; file="$DOC_ROOT/$url" |
| 102 | ;; |
| 103 | *) |
| 104 | error 501 "Unknown request type" |
| 105 | ;; |
| 106 | esac |
| 107 | |
| 108 | case $type in |
| 109 | file) |
| 110 | if [ -d "$file" ]; then file="$file/$DEF_HTML"; fi |
| 111 | if [ ! -e "$file" ]; then error 404; fi |
| 112 | if [ ! -r "$file" ]; then error 403; fi |
| 113 | response_code 200 |
| 114 | if [ "$what" = "head" ]; then echo; exit 0; fi |
| 115 | case "$file" in |
| 116 | *.html | *.htm) mime=text/html;; |
| 117 | *.jpg|*.jpeg) mime=image/jpeg;; |
| 118 | *.gif) mime=image/gif;; |
| 119 | *.gz|*.tgz) mime=application/binary;; |
| 120 | *.txt|*.text) mime=text/plain;; |
| 121 | *.css) mime=text/css;; |
| 122 | *.js) mime=text/javascript;; |
| 123 | *.json) mime=application/json;; |
| 124 | *) mime=application/binary;; |
| 125 | esac |
| 126 | echo Content-Type: $mime; echo; cat $file |
| 127 | ;; |
| 128 | usenetsearch) |
| 129 | ubase="/home/julian/.slrn/spools/news.tilde.green/news/" |
| 130 | response_code 200 |
| 131 | echo 'Content-Type: text/plain'; echo |
| 132 | [ "$file" = "" ] && { echo "Use: /usenet/search_term or /usenet/file.path.to.article"; exit; } |
| 133 | echo "$file" | grep -q '\.' |
| 134 | [ "$?" = "1" ] && search=yes || search=no |
| 135 | [ "$search" = "yes" ] && file="$(echo "$file"|sed -e 's;"; ;g' -e 's;%;.;g')" |
| 136 | [ "$search" = "yes" ] && grep -R -- "$file" "${ubase}campaignwiki" "${ubase}tilde"|sed -e 's;'"$ubase"';;g' |
| 137 | [ "$search" = "no" ] && file="$(echo "$file"|sed 's;\.;/;g')" |
| 138 | [ "$search" = "no" ] && [ -f "${ubase}$file" ] && cat "${ubase}${file}" |
| 139 | ;; |
| 140 | ipimg) |
| 141 | response_code 200 |
| 142 | echo 'Content-Type: image/jpeg'; echo |
| 143 | [ ! -f "$DOC_ROOT/$SOCAT_PEERADDR.jpg" ] && magick -gravity center -background black -fill white -size 400x300 -font "/home/julian/.local/share/fonts/Hack Regular Nerd Font Complete.ttf" caption:"Hello, your IP is $SOCAT_PEERADDR" $DOC_ROOT/$SOCAT_PEERADDR.jpg >&2 |
| 144 | cat $DOC_ROOT/$SOCAT_PEERADDR.jpg |
| 145 | ;; |
| 146 | envfun) |
| 147 | response_code 200 |
| 148 | echo 'Content-Type: text/plain'; echo |
| 149 | echo "ENV: <END" |
| 150 | #env |
| 151 | echo "Feature Disabled" |
| 152 | echo "END" |
| 153 | ;; |
| 154 | *) |
| 155 | error 501 "Messed up internal type" |
| 156 | ;; |
| 157 | esac |
| 158 |
index.html
· 80 B · HTML
Raw
<html>
<head><title>Funnyness</title></head>
<body>See index.txt</body>
</html>
| 1 | <html> |
| 2 | <head><title>Funnyness</title></head> |
| 3 | <body>See index.txt</body> |
| 4 | </html> |
| 5 |
| 1 | #!/bin/sh |
| 2 | |
| 3 | echo "$SOCAT_PEERADDR:$SOCAT_PEERPORT" >&2 |
| 4 | #echo "$SOCAT_PEERADDR:$SOCAT_PEERPORT" >>guestbook.txt |
| 5 | #timeout 5s cat >>guestbook.txt |
| 6 | #printf 'HTTP/1.1 500 Not implemented\nServer: funserv\n\nThanks\n' |
| 7 | ./bash-httpd.sh |
| 8 | exit |
| 9 |