Fix some linter issues

Author: JustinAzoff

sshauditor/bannerworker.go

@@ -2,7 +2,7 @@ package sshauditor
 
 import "sync"
 
-func bannerWorker(id int, jobs <-chan string, results chan<- ScanResult) {
+func bannerWorker(jobs <-chan string, results chan<- ScanResult) {
 	for host := range jobs {
 		results <- ScanPort(host)
 	}
@@ -16,7 +16,7 @@ func bannerFetcher(numWorkers int, hostports <-chan string) chan ScanResult {
 	for w := 0; w <= numWorkers; w++ {
 		wg.Add(1)
 		go func() {
-			bannerWorker(w, hostports, results)
+			bannerWorker(hostports, results)
 			wg.Done()
 		}()
 	}

sshauditor/brute.go

@@ -14,7 +14,7 @@ type BruteForceResult struct {
 	result   string
 }
 
-func bruteworker(id int, jobs <-chan ScanRequest, results chan<- BruteForceResult) {
+func bruteworker(jobs <-chan ScanRequest, results chan<- BruteForceResult) {
 	for sr := range jobs {
 		failures := 0
 		for _, cred := range sr.credentials {
@@ -53,7 +53,7 @@ func bruteForcer(numWorkers int, requests []ScanRequest) chan BruteForceResult {
 	for w := 0; w <= numWorkers; w++ {
 		wg.Add(1)
 		go func() {
-			bruteworker(w, requestChan, results)
+			bruteworker(requestChan, results)
 			wg.Done()
 		}()
 	}

sshauditor/sshutil.go

@@ -109,7 +109,7 @@ func SSHDialAttempt(client *ssh.Client, dest string) bool {
 func challengeReponder(password string) ssh.KeyboardInteractiveChallenge {
 	return func(user, instruction string, questions []string, echos []bool) ([]string, error) {
 		answers := make([]string, len(questions))
-		for i, _ := range answers {
+		for i := range answers {
 			answers[i] = password
 		}
 		return answers, nil

sshauditor/sshworker.go

@@ -8,7 +8,7 @@ type SSHHost struct {
 	keyfp    string
 }
 
-func keyworker(id int, jobs <-chan ScanResult, results chan<- SSHHost) {
+func keyworker(jobs <-chan ScanResult, results chan<- SSHHost) {
 	for host := range jobs {
 		if !host.success {
 			continue
@@ -30,7 +30,7 @@ func fingerPrintFetcher(numWorkers int, scanResults <-chan ScanResult) chan SSHH
 	for w := 0; w <= numWorkers; w++ {
 		wg.Add(1)
 		go func() {
-			keyworker(w, scanResults, results)
+			keyworker(scanResults, results)
 			wg.Done()
 		}()
 	}