mirror of
https://github.com/alexanderepstein/Bash-Snippets
synced 2018-11-08 02:59:35 +01:00
Functionalizing and improving siteciphers
Added httpGet, checkOpenSSL, update, better usage, options, internet check, set delay with flag
This commit is contained in:
Alex Epstein
parent
72b0e0bbba
commit
a281d32bf0
1 changed files with 167 additions and 20 deletions
|
|
@ -1,28 +1,175 @@
|
|||
#!/bin/bash
|
||||
if [[ -z $1 ]]; then
|
||||
echo "usage: siteciphers <domain>"
|
||||
exit
|
||||
fi
|
||||
SERVER=$1:443
|
||||
DELAY=1
|
||||
ciphers=$(openssl ciphers 'ALL:eNULL' | sed -e 's/:/ /g')
|
||||
configuredClient=""
|
||||
currentVersion="1.11.2"
|
||||
|
||||
for cipher in ${ciphers[@]}
|
||||
do
|
||||
result=$(echo -n | openssl s_client -cipher "$cipher" -connect $SERVER 2>&1)
|
||||
if [[ "$result" =~ ":error:" ]] ; then
|
||||
if [[ -z $2 ]]; then
|
||||
error=$(echo -n $result | cut -d':' -f6)
|
||||
echo "${cipher} - NO (${error})"
|
||||
fi
|
||||
else
|
||||
if [[ "$result" =~ "Cipher is ${cipher}" || "$result" =~ "Cipher :" ]] ; then
|
||||
echo "${cipher} - YES"
|
||||
checkOpenSSL()
|
||||
{
|
||||
if ! command -v openssl &>/dev/null ;then
|
||||
echo "Error: to use this tool openssl must be installed" >&2
|
||||
return 1
|
||||
else
|
||||
if [[ -z $2 ]]; then
|
||||
echo "${cipher} - UNKNOWN RESPONSE - ${result}"
|
||||
return 0
|
||||
fi
|
||||
}
|
||||
|
||||
getConfiguredClient()
|
||||
{
|
||||
if command -v curl &>/dev/null ; then
|
||||
configuredClient="curl"
|
||||
elif command -v wget &>/dev/null ; then
|
||||
configuredClient="wget"
|
||||
elif command -v fetch &>/dev/null ; then
|
||||
configuredClient="fetch"
|
||||
else
|
||||
echo "Error: This tool reqires either curl, wget, or fetch to be installed."
|
||||
return 1
|
||||
fi
|
||||
}
|
||||
|
||||
## Allows to call the users configured client without if statements everywhere
|
||||
httpGet()
|
||||
{
|
||||
case "$configuredClient" in
|
||||
curl) curl -A curl -s "$@";;
|
||||
wget) wget -qO- "$@";;
|
||||
fetch) fetch -o "...";;
|
||||
esac
|
||||
}
|
||||
|
||||
update()
|
||||
{
|
||||
# Author: Alexander Epstein https://github.com/alexanderepstein
|
||||
# Update utility version 1.2.0
|
||||
# To test the tool enter in the defualt values that are in the examples for each variable
|
||||
repositoryName="Bash-Snippets" #Name of repostiory to be updated ex. Sandman-Lite
|
||||
githubUserName="alexanderepstein" #username that hosts the repostiory ex. alexanderepstein
|
||||
nameOfInstallFile="install.sh" # change this if the installer file has a different name be sure to include file extension if there is one
|
||||
latestVersion=$(httpGet https://api.github.com/repos/$githubUserName/$repositoryName/tags | grep -Eo '"name":.*?[^\\]",'| head -1 | grep -Eo "[0-9.]+" ) #always grabs the tag without the v option
|
||||
|
||||
if [[ $currentVersion == "" || $repositoryName == "" || $githubUserName == "" || $nameOfInstallFile == "" ]];then
|
||||
echo "Error: update utility has not been configured correctly." >&2
|
||||
exit 1
|
||||
elif [[ $latestVersion == "" ]];then
|
||||
echo "Error: no active internet connection" >&2
|
||||
exit 1
|
||||
else
|
||||
if [[ "$latestVersion" != "$currentVersion" ]]; then
|
||||
echo "Version $latestVersion available"
|
||||
echo -n "Do you wish to update $repositoryName [Y/n]: "
|
||||
read -r answer
|
||||
if [[ "$answer" == "Y" || "$answer" == "y" ]] ;then
|
||||
cd ~ || { echo 'Update Failed' ; exit 1 ; }
|
||||
if [[ -d ~/$repositoryName ]]; then rm -r -f $repositoryName || { echo "Permissions Error: try running the update as sudo"; exit 1; } ; fi
|
||||
git clone "https://github.com/$githubUserName/$repositoryName" || { echo "Couldn't download latest version" ; exit 1; }
|
||||
cd $repositoryName || { echo 'Update Failed' ; exit 1 ;}
|
||||
git checkout "v$latestVersion" 2> /dev/null || git checkout "$latestVersion" 2> /dev/null || echo "Couldn't git checkout to stable release, updating to latest commit."
|
||||
chmod a+x install.sh #this might be necessary in your case but wasnt in mine.
|
||||
./$nameOfInstallFile "update" || exit 1
|
||||
cd ..
|
||||
rm -r -f $repositoryName || { echo "Permissions Error: update succesfull but cannot delete temp files located at ~/$repositoryName delete this directory with sudo"; exit 1; }
|
||||
else
|
||||
exit 1
|
||||
fi
|
||||
else
|
||||
echo "$repositoryName is already the latest version"
|
||||
fi
|
||||
fi
|
||||
|
||||
}
|
||||
|
||||
usage()
|
||||
{
|
||||
echo "Siteciphers"
|
||||
echo "Description: Checks the available ciphers for the SSL of an https site."
|
||||
echo "Usage: siteciphers [flag] or siteciphers [optionalDFlag] [website]"
|
||||
echo " -u Update Bash-Snippet Tools"
|
||||
echo " -h Show the help"
|
||||
echo " -v Get the tool version"
|
||||
echo " -d Set the delay between requests sent to the site (default is 1 sec)"
|
||||
echo "Examples:"
|
||||
echo " siteciphers github.com"
|
||||
echo " siteciphers -d 0.5 github.com"
|
||||
}
|
||||
|
||||
checkInternet()
|
||||
{
|
||||
httpGet google.com > /dev/null 2>&1 || { echo "Error: no active internet connection" >&2; return 1; } # query google with a get request
|
||||
}
|
||||
|
||||
checkCiphers()
|
||||
{
|
||||
ciphers=$(openssl ciphers 'ALL:eNULL' | sed -e 's/:/ /g') # grab all ciphers
|
||||
SERVER=$1:443 # setup the connection server
|
||||
for cipher in ${ciphers[*]} # for all possible ciphers
|
||||
do
|
||||
result=$(echo | openssl s_client -cipher "$cipher" -connect $SERVER 2>&1)
|
||||
if [[ "$result" =~ ":error:" ]] ; then
|
||||
if [[ -z $2 ]]; then
|
||||
error=$(echo -n $result | cut -d':' -f6)
|
||||
echo "$cipher - NO ($error)"
|
||||
fi
|
||||
else
|
||||
if [[ "$result" =~ "Cipher is $cipher" || "$result" =~ "Cipher :" ]] ; then
|
||||
echo "$cipher - YES"
|
||||
else
|
||||
if [[ -z $2 ]]; then
|
||||
echo "$cipher - UNKNOWN RESPONSE - $result"
|
||||
fi
|
||||
fi
|
||||
fi
|
||||
sleep $DELAY # sleep as to not overload the requests to the server
|
||||
done
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
checkOpenSSL || exit 1
|
||||
getConfiguredClient || exit 1
|
||||
checkInternet || exit 1
|
||||
|
||||
|
||||
if [[ $# == "0" ]]; then
|
||||
usage
|
||||
exit 1
|
||||
elif [[ $1 == "update" ]];then
|
||||
update
|
||||
exit 0
|
||||
elif [[ $1 == "help" ]];then
|
||||
usage
|
||||
exit 0
|
||||
fi
|
||||
sleep $DELAY
|
||||
|
||||
while getopts "huvd:" opt; do ## alows for using options in bash
|
||||
case $opt in
|
||||
\?)
|
||||
echo "Invalid option: -$OPTARG" >&2
|
||||
exit 1
|
||||
;;
|
||||
d) #set the delay with the -d option
|
||||
DELAY=$OPTARG
|
||||
dFlag="1"
|
||||
;;
|
||||
u)
|
||||
|
||||
update
|
||||
exit 0
|
||||
;;
|
||||
h)
|
||||
usage
|
||||
exit 0
|
||||
;;
|
||||
v)
|
||||
echo "Version $currentVersion"
|
||||
exit 0
|
||||
;;
|
||||
:) ## will run when no arguments are provided to to e or d options
|
||||
echo "Option -$OPTARG requires an argument." >&2
|
||||
exit 1
|
||||
;;
|
||||
esac
|
||||
done
|
||||
|
||||
if [[ $dFlag == "1" ]];then checkCiphers $3 || exit 1; # if dflag is present input will look like siteciphers -d 0.5 github.com making the website the third arg
|
||||
else checkCiphers $1 || exit 1; fi
|
||||
|
|
|
|||
Loading…
Reference in a new issue