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Merge pull request #42 from gojue/master
refactor: Use camel case instead of snake case.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,138 @@ | ||
| // Copyright 2022 CFC4N <[email protected]>. All Rights Reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package cmd | ||
|
|
||
| import ( | ||
| "context" | ||
| "ecapture/pkg/util/kernel" | ||
| "ecapture/user/config" | ||
| "ecapture/user/module" | ||
| "errors" | ||
| "log" | ||
| "os" | ||
| "os/signal" | ||
| "syscall" | ||
|
|
||
| "github.com/spf13/cobra" | ||
| ) | ||
|
|
||
| var goc = config.NewGoTLSConfig() | ||
|
|
||
| // gotlsCmd represents the openssl command | ||
| var gotlsCmd = &cobra.Command{ | ||
| Use: "gotls", | ||
| Aliases: []string{"tlsgo"}, | ||
| Short: "capture golang tls/https text content without CA cert for ELF compile by Golang toolchain", | ||
| Long: `use eBPF uprobe/TC to capture process event data and network data. also support pcap-NG format. | ||
| ecapture gotls | ||
| ecapture gotls --gobin=/home/cfc4n/go_https_client --hex --pid=3423 | ||
| ecapture gotls --gobin=/home/cfc4n/go_https_client -l save.log --pid=3423 | ||
| ecapture gotls -w save_android.pcapng -i wlan0 --port 443 --gobin=/home/cfc4n/go_https_client | ||
| `, | ||
| Run: goTLSCommandFunc, | ||
| } | ||
|
|
||
| func init() { | ||
| gotlsCmd.PersistentFlags().StringVarP(&goc.Path, "elfpath", "e", "", "ELF path to binary built with Go toolchain.") | ||
| gotlsCmd.PersistentFlags().StringVarP(&goc.Write, "write", "w", "", "write the raw packets to file as pcapng format.") | ||
| gotlsCmd.PersistentFlags().StringVarP(&goc.Ifname, "ifname", "i", "", "(TC Classifier) Interface name on which the probe will be attached.") | ||
| gotlsCmd.PersistentFlags().Uint16Var(&goc.Port, "port", 443, "port number to capture, default:443.") | ||
| rootCmd.AddCommand(gotlsCmd) | ||
| } | ||
|
|
||
| // goTLSCommandFunc executes the "bash" command. | ||
| func goTLSCommandFunc(command *cobra.Command, args []string) { | ||
| stopper := make(chan os.Signal, 1) | ||
| signal.Notify(stopper, os.Interrupt, syscall.SIGTERM) | ||
|
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| logger := log.New(os.Stdout, "tls_", log.LstdFlags) | ||
|
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| // save global config | ||
| gConf, err := getGlobalConf(command) | ||
| if err != nil { | ||
| logger.Fatal(err) | ||
| } | ||
| if gConf.loggerFile != "" { | ||
| f, e := os.Create(gConf.loggerFile) | ||
| if e != nil { | ||
| logger.Fatal(e) | ||
| return | ||
| } | ||
| logger.SetOutput(f) | ||
| } | ||
| logger.Printf("ECAPTURE :: %s Version : %s", cliName, GitVersion) | ||
| logger.Printf("ECAPTURE :: Pid Info : %d", os.Getpid()) | ||
| var version kernel.Version | ||
| version, err = kernel.HostVersion() | ||
| logger.Printf("ECAPTURE :: Kernel Info : %s", version.String()) | ||
|
|
||
| mod := module.GetModuleByName(module.ModuleNameGotls) | ||
| if mod == nil { | ||
| logger.Printf("ECAPTURE :: \tcant found module: %s", module.ModuleNameGotls) | ||
| return | ||
| } | ||
|
|
||
| var conf config.IConfig | ||
| conf = goc | ||
| if conf == nil { | ||
| logger.Printf("ECAPTURE :: \tcant found module %s config info.", mod.Name()) | ||
| return | ||
| } | ||
|
|
||
| conf.SetPid(gConf.Pid) | ||
| conf.SetUid(gConf.Uid) | ||
| conf.SetDebug(gConf.Debug) | ||
| conf.SetHex(gConf.IsHex) | ||
| conf.SetNoSearch(gConf.NoSearch) | ||
|
|
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| err = conf.Check() | ||
|
|
||
| if err != nil { | ||
| // ErrorGoBINNotSET is a special error, we should not print it. | ||
| if errors.Is(err, config.ErrorGoBINNotSET) { | ||
| logger.Printf("%s\tmodule [disabled].", mod.Name()) | ||
| return | ||
| } | ||
|
|
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| logger.Printf("%s\tmodule initialization failed. [skip it]. error:%+v", mod.Name(), err) | ||
| return | ||
| } | ||
|
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| logger.Printf("%s\tmodule initialization", mod.Name()) | ||
|
|
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| //初始化 | ||
| err = mod.Init(context.TODO(), logger, conf) | ||
| if err != nil { | ||
| logger.Printf("%s\tmodule initialization failed, [skip it]. error:%+v", mod.Name(), err) | ||
| return | ||
| } | ||
|
|
||
| err = mod.Run() | ||
| if err != nil { | ||
| logger.Printf("%s\tmodule run failed, [skip it]. error:%+v", mod.Name(), err) | ||
| return | ||
| } | ||
|
|
||
| logger.Printf("%s\tmodule started successfully.", mod.Name()) | ||
|
|
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| <-stopper | ||
|
|
||
| // clean up | ||
| err = mod.Close() | ||
| if err != nil { | ||
| logger.Fatalf("%s\tmodule close failed. error:%+v", mod.Name(), err) | ||
| } | ||
| os.Exit(0) | ||
| } |
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