/
syn_scan_parsers.go
47 lines (39 loc) · 1.1 KB
/
syn_scan_parsers.go
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package syn_scan
import (
"fmt"
"strconv"
"github.com/evilsocket/islazy/str"
"github.com/malfunkt/iprange"
)
func (mod *SynScanner) parseTargets(arg string) error {
if list, err := iprange.Parse(arg); err != nil {
return fmt.Errorf("error while parsing IP range '%s': %s", arg, err)
} else {
mod.addresses = list.Expand()
}
return nil
}
func (mod *SynScanner) parsePorts(args []string) (err error) {
argc := len(args)
mod.stats.totProbes = 0
mod.stats.doneProbes = 0
mod.startPort = 1
mod.endPort = 65535
if argc > 1 && str.Trim(args[1]) != "" {
if mod.startPort, err = strconv.Atoi(str.Trim(args[1])); err != nil {
return fmt.Errorf("invalid start port %s: %s", args[1], err)
} else if mod.startPort > 65535 {
mod.startPort = 65535
}
mod.endPort = mod.startPort
}
if argc > 2 && str.Trim(args[2]) != "" {
if mod.endPort, err = strconv.Atoi(str.Trim(args[2])); err != nil {
return fmt.Errorf("invalid end port %s: %s", args[2], err)
}
}
if mod.endPort < mod.startPort {
return fmt.Errorf("end port %d is greater than start port %d", mod.endPort, mod.startPort)
}
return
}