Create crt.sh v 2.0

Version v2.0 of the script for searching crt.sh has been released with several important enhancements focused on improving performance and adding comprehensive documentation for easier understanding and maintenance of the code.

Author: az7rb

crt_v2.sh

@@ -0,0 +1,152 @@
+#!/bin/bash
+
+# Display banner
+echo "
++-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+|      ..| search crt.sh v 2.0 |..    |
++   site : crt.sh Certificate Search  +
+|            Twitter: az7rb           |
++-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+"
+
+# Function: Help
+# Purpose: Display the help message with usage instructions.
+Help() {
+    echo "Options:"
+    echo ""
+    echo "-h     Help"
+    echo "-d     Search Domain Name       | Example: $0 -d hackerone.com"
+    echo "-o     Search Organization Name | Example: $0 -o hackerone+inc"
+    echo ""
+}
+
+# Function: CleanResults
+# Purpose: Clean and filter the results by removing unwanted characters and duplicates.
+# - Converts escaped newlines to actual newlines.
+# - Removes wildcard characters (*).
+# - Filters out email addresses.
+# - Sorts the results and removes duplicates.
+CleanResults() {
+    sed 's/\\n/\n/g' | \
+    sed 's/\*.//g' | \
+    sed -r 's/([A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,4})//g' | \
+    sort | uniq
+}
+
+# Function: Domain
+# Purpose: Search for certificates associated with a specific domain name.
+# - Sends a request to crt.sh with the specified domain.
+# - Processes the JSON response to extract common names and domain values.
+# - Cleans and filters the results using CleanResults function.
+# - Saves the results to an output file and displays them.
+Domain() {
+    # Check if the domain name is provided
+    if [ -z "$req" ]; then
+        echo "Error: Domain name is required."
+        exit 1
+    fi
+    
+    # Perform the search request to crt.sh
+    response=$(curl -s "https://crt.sh?q=%.$req&output=json")
+    
+    # Check if the response is empty
+    if [ -z "$response" ]; then
+        echo "No results found for domain $req"
+        exit 1
+    fi
+    
+    # Process the response, clean it, and store the results
+    results=$(echo "$response" | jq -r ".[].common_name,.[].name_value" | CleanResults)
+    
+    # Check if there are any valid results after cleaning
+    if [ -z "$results" ]; then
+        echo "No valid results found."
+        exit 1
+    fi
+    
+    # Define the output file name based on the domain
+    output_file="output/domain.$req.txt"
+    
+    # Save the results to the output file
+    echo "$results" > "$output_file"
+    
+    # Display the results and summary
+    echo ""
+    echo "$results"
+    echo ""
+    echo -e "\e[32m[+]\e[0m Total Save will be \e[31m$(echo "$results" | wc -l)\e[0m Domain only"
+    echo -e "\e[32m[+]\e[0m Output saved in $output_file"
+}
+
+# Function: Organization
+# Purpose: Search for certificates associated with a specific organization name.
+# - Sends a request to crt.sh with the specified organization name.
+# - Processes the JSON response to extract common names.
+# - Cleans and filters the results using CleanResults function.
+# - Saves the results to an output file and displays them.
+Organization() {
+    # Check if the organization name is provided
+    if [ -z "$req" ]; then
+        echo "Error: Organization name is required."
+        exit 1
+    fi
+    
+    # Perform the search request to crt.sh
+    response=$(curl -s "https://crt.sh?q=$req&output=json")
+    
+    # Check if the response is empty
+    if [ -z "$response" ]; then
+        echo "No results found for organization $req"
+        exit 1
+    fi
+    
+    # Process the response, clean it, and store the results
+    results=$(echo "$response" | jq -r ".[].common_name" | CleanResults)
+    
+    # Check if there are any valid results after cleaning
+    if [ -z "$results" ]; then
+        echo "No valid results found."
+        exit 1
+    fi
+    
+    # Define the output file name based on the organization name
+    output_file="output/org.$req.txt"
+    
+    # Save the results to the output file
+    echo "$results" > "$output_file"
+    
+    # Display the results and summary
+    echo ""
+    echo "$results"
+    echo ""
+    echo -e "\e[32m[+]\e[0m Total Save will be \e[31m$(echo "$results" | wc -l)\e[0m Domain only"
+    echo -e "\e[32m[+]\e[0m Output saved in $output_file"
+}
+
+# Main Script Logic
+
+# If no arguments are provided, display the help message
+if [ -z "$1" ]; then
+    Help
+    exit
+fi
+
+# Parse command-line options using getopts
+while getopts "h:d:o:" option; do
+    case $option in
+        h) # Display help
+            Help
+            ;;
+        d) # Search for domain name
+            req=$OPTARG
+            Domain
+            ;;
+        o) # Search for organization name
+            req=$OPTARG
+            Organization
+            ;;
+        *) # Invalid option, display help
+            Help
+            ;;
+    esac
+done