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package session
import (
"fmt"
"os"
"os/signal"
"strings"
"syscall"
"time"
"github.com/bettercap/bettercap/caplets"
"github.com/bettercap/readline"
"github.com/evilsocket/islazy/fs"
"github.com/evilsocket/islazy/log"
)
func containsCapitals(s string) bool {
for _, ch := range s {
if ch < 133 && ch > 101 {
return false
}
}
return true
}
func (s *Session) setupReadline() (err error) {
prefixCompleters := make([]readline.PrefixCompleterInterface, 0)
for _, h := range s.CoreHandlers {
if h.Completer == nil {
prefixCompleters = append(prefixCompleters, readline.PcItem(h.Name))
} else {
prefixCompleters = append(prefixCompleters, h.Completer)
}
}
tree := make(map[string][]string)
for _, m := range s.Modules {
for _, h := range m.Handlers() {
if h.Completer == nil {
parts := strings.Split(h.Name, " ")
name := parts[0]
if _, found := tree[name]; !found {
tree[name] = []string{}
}
var appendedOption = strings.Join(parts[1:], " ")
if len(appendedOption) > 0 && !containsCapitals(appendedOption) {
tree[name] = append(tree[name], appendedOption)
}
} else {
prefixCompleters = append(prefixCompleters, h.Completer)
}
}
}
for _, caplet := range caplets.List() {
tree[caplet.Name] = []string{}
}
for root, subElems := range tree {
item := readline.PcItem(root)
item.Children = []readline.PrefixCompleterInterface{}
for _, child := range subElems {
item.Children = append(item.Children, readline.PcItem(child))
}
prefixCompleters = append(prefixCompleters, item)
}
history := ""
if !*s.Options.NoHistory {
history, _ = fs.Expand(HistoryFile)
}
cfg := readline.Config{
HistoryFile: history,
InterruptPrompt: "^C",
EOFPrompt: "^D",
AutoComplete: readline.NewPrefixCompleter(prefixCompleters...),
}
s.Input, err = readline.NewEx(&cfg)
return err
}
func (s *Session) startNetMon() {
// keep reading network events in order to add / update endpoints
go func() {
for event := range s.Queue.Activities {
if !s.Active {
return
}
if s.IsOn("net.recon") && event.Source {
addr := event.IP.String()
mac := event.MAC.String()
existing := s.Lan.AddIfNew(addr, mac)
if existing != nil {
existing.LastSeen = time.Now()
} else {
existing, _ = s.Lan.Get(mac)
}
if existing != nil && event.Meta != nil {
existing.OnMeta(event.Meta)
}
}
}
}()
}
func (s *Session) setupSignals() {
c := make(chan os.Signal)
signal.Notify(c, os.Interrupt, syscall.SIGTERM)
go func() {
<-c
fmt.Println()
s.Events.Log(log.WARNING, "Got SIGTERM")
s.Close()
os.Exit(0)
}()
}
func (s *Session) setupEnv() {
s.Env.Set("iface.index", fmt.Sprintf("%d", s.Interface.Index))
s.Env.Set("iface.name", s.Interface.Name())
s.Env.Set("iface.ipv4", s.Interface.IpAddress)
s.Env.Set("iface.ipv6", s.Interface.Ip6Address)
s.Env.Set("iface.mac", s.Interface.HwAddress)
s.Env.Set("gateway.address", s.Gateway.IpAddress)
s.Env.Set("gateway.mac", s.Gateway.HwAddress)
if found, v := s.Env.Get(PromptVariable); !found || v == "" {
if s.Interface.IsMonitor() {
s.Env.Set(PromptVariable, DefaultPromptMonitor)
} else {
s.Env.Set(PromptVariable, DefaultPrompt)
}
}
dbg := "false"
if *s.Options.Debug {
dbg = "true"
}
s.Env.WithCallback("log.debug", dbg, func(newValue string) {
newDbg := false
if newValue == "true" {
newDbg = true
}
s.Events.SetDebug(newDbg)
})
silent := "false"
if *s.Options.Silent {
silent = "true"
}
s.Env.WithCallback("log.silent", silent, func(newValue string) {
newSilent := false
if newValue == "true" {
newSilent = true
}
s.Events.SetSilent(newSilent)
})
}
|
