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checking on server side

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This commit is contained in:
Kai Hendry
2011-11-29 11:07:41 +01:00
parent 34b693c5c5
commit 3695146aeb
1 changed files with 14 additions and 5 deletions
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19
create.cgi
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@@ -1,6 +1,15 @@
#!/bin/bash -e #!/bin/bash -e
# vim: set ts=4 sw=4 # vim: set ts=4 sw=4
exec 2>&1 exec 2>&1
cat <<END
Cache-Control: no-cache
Content-Type: text/html
END
badinput() {
echo "<h1>Bad input, parameter id $@</h1>"
exit
}
oldpwd=$PWD oldpwd=$PWD
@@ -12,8 +21,8 @@ IFS=$saveIFS
if test ${parm[0]} == "id" if test ${parm[0]} == "id"
then then
id=$(echo ${parm[1]} | tr -dc '[:alnum:]_' | tr '[:upper:]' '[:lower:]') id=$(echo ${parm[1]} | tr -dc '[:alnum:]_' | tr '[:upper:]' '[:lower:]')
test ${#id} -gt 0 || exit test ${#id} -gt 0 || badinput is empty
test ${#id} -lt 20 || exit test ${#id} -lt 20 || badinput is too large
else else
exit exit
fi fi
@@ -24,9 +33,6 @@ then
fi fi
cat <<END cat <<END
Cache-Control: no-cache
Content-Type: text/html
<!DOCTYPE html> <!DOCTYPE html>
<html> <html>
<head> <head>
@@ -43,6 +49,9 @@ Content-Type: text/html
<pre> <pre>
END END
hash figlet 2>/dev/null && figlet $id hash figlet 2>/dev/null && figlet $id
if test -d u/$id if test -d u/$id