check_curl: add authentication

check_curl.sh

@@ -18,7 +18,8 @@ usage() {
   -e Specify the exact response code that should be returned. Cannot be used with -s option.
   -e Expected status code.
   -S Sanitize HTML when printing to console. Good for Icinga2 Web.
-  -n Don't return any perfdata if the status code was not 200."
+  -n Don't return any perfdata if the status code was not 200.
+  -a Specify the username and password for authentication in the format username:password"
   exit 3
 }
 
@@ -31,14 +32,15 @@ HEADERS=""
 PRINT_CURL=""
 RESOLVE=""
 IGNORE_STATUS=""
-TIMEOUT="30"
+TIMEOUT="--max-time 30"
 HTTP_METHOD="-X GET"
 EXPECTED_STATUS_CODE=""
 SANITIZE_HTML=false
 DISABLE_PERFDATA=false
+AUTHENTICATION=""
 
 # Parse arguments
-while getopts "u:w:c:C:LH:M:IpR:st:e:hSn" opt; do
+while getopts "u:w:c:C:LH:M:IpR:st:e:hSna:" opt; do
   case $opt in
   u)
     URL="$OPTARG"
@@ -80,9 +82,6 @@ while getopts "u:w:c:C:LH:M:IpR:st:e:hSn" opt; do
   M)
     HTTP_METHOD="-X $OPTARG"
     ;;
-  e)
-    EXPECTED_STATUS_CODE="$OPTARG"
-    ;;
   h)
     usage
     ;;
@@ -99,6 +98,9 @@ while getopts "u:w:c:C:LH:M:IpR:st:e:hSn" opt; do
     fi
     EXPECTED_STATUS_CODE="$OPTARG"
     ;;
+  a)
+    AUTHENTICATION="--user $OPTARG"
+    ;;
   *)
     echo "Invalid option: -$OPTARG" >&2
     usage
@@ -114,7 +116,8 @@ if [ -z "$URL" ]; then
 fi
 
 # Prepare curl command
-CURL_CMD="curl -w %{http_code};%{time_total} -o /dev/null -s $HTTP_METHOD $FOLLOW_REDIRECTS $INSECURE $HEADERS $RESOLVE $TIMEOUT $URL"
+CURL_CMD="curl -w %{http_code};%{time_total} -o /dev/null -s $HTTP_METHOD $FOLLOW_REDIRECTS $INSECURE $HEADERS $RESOLVE $TIMEOUT $AUTHENTICATION $URL"
+echo $CURL_CMD
 
 # Print curl command if requested
 if [ "$PRINT_CURL" = "yes" ]; then
@@ -432,7 +435,7 @@ fi
 # Check critical string
 BODY_CONTAINS=""
 if [ -n "$CRIT_STRING" ]; then
-  BODY=$(curl -s $FOLLOW_REDIRECTS $INSECURE "$HEADERS" $RESOLVE $TIMEOUT "$URL")
+  BODY=$(curl -s $FOLLOW_REDIRECTS $INSECURE $HEADERS $RESOLVE $TIMEOUT $AUTHENTICATION "$URL")
   # shellcheck disable=SC2076
   if ! [[ $BODY =~ "$CRIT_STRING" ]]; then
       if $SANITIZE_HTML; then