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| author | Denis Vlasenko | 2006-11-21 00:12:09 +0000 |
|---|---|---|
| committer | Denis Vlasenko | 2006-11-21 00:12:09 +0000 |
| commit | 5d148e2646874a6f460402f2dd70ea2fb6be08dd (patch) | |
| tree | fae60c2d7ca0d917f73f6a87554657c09a0ddb7b /networking/httpd_index_cgi_example | |
| parent | fcdb00f7359488d197ac3361dfbc49ccdead8b87 (diff) | |
| download | busybox-5d148e2646874a6f460402f2dd70ea2fb6be08dd.zip busybox-5d148e2646874a6f460402f2dd70ea2fb6be08dd.tar.gz | |
httpd: fix cgi-bin/index.cgi support, add example of it,
stat: fix end-of-line if format is specified (wasn't printing it),
fix %z (time) format to match coreutils 6.3
Diffstat (limited to 'networking/httpd_index_cgi_example')
| -rw-r--r-- | networking/httpd_index_cgi_example | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/networking/httpd_index_cgi_example b/networking/httpd_index_cgi_example new file mode 100644 index 0000000..31e768c --- /dev/null +++ b/networking/httpd_index_cgi_example @@ -0,0 +1,55 @@ +#!/bin/sh +# This CGI creates directory index. +# Put it into cgi-bin/index.cgi and chmod 0755. +# +# Problems: +# * Unsafe wrt weird filenames with <>"'& etc... +# * Not efficient: calls stat (program, not syscall) for each file +# * Probably requires bash +# +# If you want speed and safety, you need to code it in C + +# Must start with '/' +test "${QUERY_STRING:0:1}" = "/" || exit 1 +# /../ is not allowed +test "${QUERY_STRING%/../*}" = "$QUERY_STRING" || exit 1 +test "${QUERY_STRING%/..}" = "$QUERY_STRING" || exit 1 + +# Outta cgi-bin... +cd .. 2>/dev/null || exit 1 +# Strip leading '/', go to target dir +cd "${QUERY_STRING:1}" 2>/dev/null || exit 1 + +f=`dirname "$QUERY_STRING"` +test "$f" = "/" && f="" + +# Pipe thru dd (need to write header as single write(), +# or else httpd doesn't see "Content-type: text/html" +# in first read() and decides that it is not html) +{ +printf "%s" \ +$'HTTP/1.0 200 OK\r\n'\ +$'Content-type: text/html\r\n\r\n'\ +"<html><head><title>Index of $QUERY_STRING</title></head>"$'\r\n'\ +"<body><h1>Index of $QUERY_STRING</h1><pre>"$'\r\n'\ +$'<table width=100%>\r\n'\ +$'<col><col><col width=0*>\r\n'\ +$'<tr><th>Name<th align=right>Last modified<th align=right>Size\r\n'\ +\ +"<tr><td><a href='$f/'>..</a><td><td>"$'\r\n' + +IFS='#' +for f in *; do + # Guard against empty dirs... + test -e "$f" && \ + stat -c "%F#%s#%z" "$f" | { + read type size cdt junk + dir='' + test "$type" = "directory" && dir='/' + cdt="${cdt//.*}" # no fractional seconds + cdt="${cdt// / }" # prevent wrapping around space + printf "%s" "<tr><td><a href='$f$dir'>$f</a><td align=right>$cdt<td align=right>$size"$'\r\n' + } +done +printf "</table></pre><hr></body></html>"$'\r\n' +} | dd bs=4k |