wok-undigest annotate busybox/stuff/httpd_helper.sh @ rev 601

Move libextractor to wok
author Pascal Bellard <pascal.bellard@slitaz.org>
date Sun Dec 25 15:20:34 2011 +0100 (2011-12-25)
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pascal@376 1 #!/bin/sh
pascal@376 2 #
pascal@376 3 # busybox/httpd helper for shell cgi scripts, providing:
pascal@376 4 #
pascal@376 5 # GET [var [index]] | POST [var [index]] | COOKIE [var [index]]
pascal@376 6 # FILE [var {name|tmpname|size|type}]
pascal@376 7 # header [strings]... | urlencode string | htmlentities string | httpinfo
pascal@376 8 #
pascal@376 9
pascal@376 10 alias urlencode='httpd -e'
pascal@376 11
pascal@376 12 # Send headers, example :
pascal@376 13 # header "Content-type: text/html" "Set-Cookie: name=value; HttpOnly"
pascal@376 14 header()
pascal@376 15 {
pascal@376 16 local i
pascal@376 17 [ -z "$1" ] && set -- "Content-type: text/html"
pascal@376 18 for i in "$@" "" ; do echo -e "$i\r"; done
pascal@376 19 }
pascal@376 20
pascal@376 21 htmlentities()
pascal@376 22 {
pascal@376 23 echo $1 | sed 's|&|\&amp;|g;s|<|\&lt;|g;s|>|\&gt;|g;s|"|\&quot;|g'
pascal@376 24 }
pascal@376 25
pascal@376 26 _ARRAY()
pascal@376 27 {
pascal@376 28 [ -z "$2" ] && eval echo \$${1}__NAMES ||
pascal@376 29 [ -n "$(eval echo \$${1}__NAMES)" ] && eval echo \$${1}_${2}_${3:-1}
pascal@376 30 }
pascal@376 31
pascal@376 32 GET() { _ARRAY GET "$1" $2; }
pascal@376 33 POST() { _ARRAY POST "$1" $2; }
pascal@376 34 FILE() { _ARRAY FILE "$1" $2; }
pascal@376 35 COOKIE() { _ARRAY COOKIE "$1" $2; }
pascal@376 36
pascal@376 37 httpinfo()
pascal@376 38 {
pascal@376 39 local i
pascal@376 40 local j
pascal@376 41 local x
pascal@376 42 for i in SERVER_PROTOCOL SERVER_SOFTWARE SERVER_NAME SERVER_PORT AUTH_TYPE \
pascal@376 43 GATEWAY_INTERFACE REMOTE_HOST REMOTE_ADDR REMOTE_PORT \
pascal@376 44 HTTP_REFERER HTTP_HOST HTTP_USER_AGENT HTTP_ACCEPT \
pascal@376 45 HTTP_ACCEPT_LANGUAGE HTTP_COOKIE AUTH_TYPE REMOTE_USER REMOTE_IDENT \
pascal@376 46 REQUEST_METHOD REQUEST_URI QUERY_STRING CONTENT_LENGTH CONTENT_TYPE \
pascal@376 47 SCRIPT_NAME SCRIPT_FILENAME PATH_INFO PATH_TRANSLATED \
pascal@376 48 USER HOME LOGNAME SHELL PWD ; do
pascal@376 49 eval x=\$$i
pascal@376 50 [ -n "$x" ] && echo "$i='$x'"
pascal@376 51 done
pascal@376 52 for x in GET POST COOKIE ; do
pascal@376 53 for i in $($x) ; do
pascal@376 54 if [ $($x $i count) -gt 1 ]; then
pascal@376 55 for j in $(seq 1 $($x $i count)); do
pascal@376 56 echo "$x($i,$j)='$($x $i $j)'"
pascal@376 57 done
pascal@376 58 else
pascal@376 59 echo "$x($i)='$($x $i)'"
pascal@376 60 fi
pascal@376 61 done
pascal@376 62 done
pascal@376 63 for i in $(FILE) ; do
pascal@376 64 for j in name size type tmpname ; do
pascal@376 65 echo "FILE($i,$j)='$(FILE $i $j)'"
pascal@376 66 done
pascal@376 67 done
pascal@376 68 }
pascal@376 69
pascal@376 70 read_query_string()
pascal@376 71 {
pascal@376 72 local i
pascal@376 73 local names
pascal@376 74 local cnt
pascal@376 75 names=""
pascal@376 76 IFS="&"
pascal@376 77 for i in $2 ; do
pascal@376 78 var=${i%%[^A-Za-z_0-9]*}
pascal@376 79 case " $names " in
pascal@376 80 *\ $var\ *) eval cnt=\$${1}_${var}_count ;;
pascal@376 81 *) cnt=0
pascal@376 82 names="$names $var" ;;
pascal@376 83 esac
pascal@376 84 eval ${1}_${var}_count=$((++cnt))
pascal@376 85 eval ${1}_${var}_$cnt=\'$(httpd -d "${i#*=}" | sed "s/'/\'\\\\\'\'/g")\'
pascal@376 86 done
pascal@376 87 unset IFS
pascal@376 88 eval ${1}__NAMES=\'${names# }\'
pascal@376 89 }
pascal@376 90
pascal@376 91 [ -z "$GET__NAMES" ] && read_query_string GET "$QUERY_STRING"
pascal@376 92 [ -z "$COOKIE_NAMES" ] &&
pascal@376 93 read_query_string COOKIE "$(echo "$HTTP_COOKIE" | sed 's/; /\&/g')"
pascal@376 94
pascal@376 95 ddcut()
pascal@376 96 {
pascal@376 97 page=4096
pascal@376 98 skip=$1
pascal@376 99 count=$(($2 - $1 -2))
pascal@376 100 tmp=$(($skip / $page))
pascal@376 101 [ $tmp -ne 0 ] && dd bs=$page skip=$tmp count=0
pascal@376 102 skip=$(($skip - ($tmp * $page) ))
pascal@376 103 dd bs=1 skip=$skip count=0
pascal@376 104 tmp=$(( ($page - $skip) % $page ))
pascal@376 105 if [ $tmp -ne 0 -a $tmp -le $count ]; then
pascal@376 106 dd bs=1 count=$tmp
pascal@376 107 count=$(($count - $tmp))
pascal@376 108 fi
pascal@376 109 tmp=$(($count / $page))
pascal@376 110 [ $tmp -ne 0 ] && dd bs=$page count=$tmp
pascal@376 111 dd bs=1 count=$(($count - ($tmp * $page) ))
pascal@376 112 }
pascal@376 113
pascal@376 114 if [ "$REQUEST_METHOD$POST__NAMES" == "POST" ]; then
pascal@376 115 prefix=/tmp/httpd_post
pascal@376 116 mkdir $prefix$$
pascal@376 117 now=$(stat -c %Y $prefix$$)
pascal@376 118 for i in $prefix* ; do
pascal@376 119 [ $(stat -c %Y $i) -lt $(($now - 3600)) ] && rm -rf $i
pascal@376 120 done
pascal@376 121 post=$prefix$$/post
pascal@376 122 n=1
pascal@376 123 cat > ${post}0
pascal@376 124 read delim < ${post}0
pascal@376 125 delim=${delim%?}
pascal@376 126 case "$delim" in
pascal@376 127 -*) awk "/$delim/ { o+=index(\$0,\"$delim\")-1; print o }
pascal@376 128 { o+=1+length() }" < ${post}0 | while read offset; do
pascal@376 129 if [ $offset -ne 0 ]; then
pascal@376 130 ddcut $last $offset < ${post}0 > $post$n 2> /dev/null
pascal@376 131 n=$(($n+1))
pascal@376 132 fi
pascal@376 133 last=$offset
pascal@376 134 done
pascal@376 135 rm -f ${post}0
pascal@376 136 CR=`printf '\r'`
pascal@376 137 for i in $post* ; do
pascal@376 138 head -n 2 $i | grep -q filename= || echo '' >> $i
pascal@376 139 filename=
pascal@376 140 while read line; do
pascal@376 141 case "$line" in
pascal@376 142 *Content-Disposition*)
pascal@376 143 name=$(echo $line | sed 's/.* name="\([^"]*\)".*$/\1/')
pascal@376 144 name=${name%%[^A-Za-z_0-9]*}
pascal@376 145 case "$line" in
pascal@376 146 *filename=*) filename=$(echo $line | sed 's/.* filename="\([^"]*\)".*$/\1/') ;;
pascal@376 147 esac ;;
pascal@376 148 *Content-Type*)
pascal@376 149 type=$(echo $line | sed 's/.*-Type: \(.*\).$/\1/') ;;
pascal@376 150 $CR)
pascal@376 151 if [ -n "$filename" ]; then
pascal@376 152 tmp=$(mktemp $prefix$$/uploadXXXXXX)
pascal@376 153 cat > $tmp
pascal@376 154 FILE__NAMES="$FILE__NAMES $name"
pascal@376 155 FILE__NAMES="${FILE__NAMES# }"
pascal@376 156 eval FILE_${name}_tmpname=$tmp
pascal@376 157 eval FILE_${name}_name=$filename
pascal@376 158 eval FILE_${name}_size=$(stat -c %s $tmp)
pascal@376 159 eval FILE_${name}_type=$type
pascal@376 160 elif [ -n "$name" ]; then
pascal@376 161 eval cnt=\$POST_${name}_count
pascal@376 162 cnt=$(($cnt + 1))
pascal@376 163 eval var=\$POST_${name}_$cnt
pascal@376 164 while read line; do
pascal@376 165 [ -n "$var" ] && var="$var
pascal@376 166 "
pascal@376 167 var="$var$line"
pascal@376 168 done
pascal@376 169 eval POST_${name}_$cnt="\$var"
pascal@376 170 eval POST_${name}_count=$cnt
pascal@376 171 case " $POST__NAMES " in
pascal@376 172 *\ $name\ *) ;;
pascal@376 173 *) POST__NAMES="$POST__NAMES $name"
pascal@376 174 POST__NAMES="${POST__NAMES# }" ;;
pascal@376 175 esac
pascal@376 176 fi
pascal@376 177 break ;;
pascal@376 178 *)
pascal@376 179 esac
pascal@376 180 done < $i
pascal@376 181 rm -f $i
pascal@376 182 done
pascal@376 183 rmdir $(dirname $post) ;;
pascal@376 184 *) rm -rf $(dirname $post)
pascal@376 185 read_query_string POST "$delim" ;;
pascal@376 186 esac
pascal@376 187 fi