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Added support for custom port specifications #61

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Added support for custom port specifications #61

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28 changes: 28 additions & 0 deletions main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@ import (
"net"
"net/http"
"os"
"log"
"strings"
"sync"
"time"
Expand All @@ -36,6 +37,10 @@ func main() {
var probes probeArgs
flag.Var(&probes, "p", "add additional probe (proto:port)")

// custom probe location flag
var customPath string
flag.StringVar(&customPath, "l", "" ,"Path to the custom port list file")

// skip default probes flag
var skipDefault bool
flag.BoolVar(&skipDefault, "s", false, "skip the default probes (http:80 and https:443)")
Expand Down Expand Up @@ -177,6 +182,29 @@ func main() {
for _, port := range large {
httpsURLs <- fmt.Sprintf("%s:%s", domain, port)
}
case "custom":
if customPath != "" {
if _, err := os.Stat(customPath); err == nil {
file, err := os.Open(customPath)
if err != nil {
log.Printf("Error opening file: %s , did you provide a file path on the -l flag?", err)
break
}
defer file.Close()
scanner := bufio.NewScanner(file)
for scanner.Scan() {
port := scanner.Text()
httpsURLs <- fmt.Sprintf("%s:%s", domain, port)
}
if err := scanner.Err(); err != nil {
log.Printf("Error reading file: %s", err)
}
} else {
log.Printf("Custom file %s not found.", customPath)
}
} else {
log.Println("Custom file path is not provided.")
}
default:
pair := strings.SplitN(p, ":", 2)
if len(pair) != 2 {
Expand Down