docs: Optimized the error message in the gotls module.(fix: #482)

Signed-off-by: CFC4N <cfc4n.cs@gmail.com>

README.md

@@ -112,41 +112,26 @@ cfc4n@vm-server:~$# cat /boot/config-`uname -r` | grep CONFIG_DEBUG_INFO_BTF
 CONFIG_DEBUG_INFO_BTF=y
 ```
 
-### tls command
+### gotls command
 
 capture tls text context.
+
 Step 1:
 ```shell
-./ecapture tls --hex
+./ecapture gotls --elfpath=/home/cfc4n/go_https_client --hex
 ```
 
 Step 2:
 ```shell
-curl https://github.com
+/home/cfc4n/go_https_client
 ```
-
-### libressl&boringssl
+### more help
 ```shell
-# for installed libressl, libssl.so.52 is the dynamic ssl lib
-vm@vm-server:~$ ldd /usr/local/bin/openssl
-	linux-vdso.so.1 (0x00007ffc82985000)
-	libssl.so.52 => /usr/local/lib/libssl.so.52 (0x00007f1730f9f000)
-	libcrypto.so.49 => /usr/local/lib/libcrypto.so.49 (0x00007f1730d8a000)
-	libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f1730b62000)
-	/lib64/ld-linux-x86-64.so.2 (0x00007f17310b2000)
-
-# use the libssl to config the libssl.so path
-vm@vm-server:~$ sudo ./ecapture tls --libssl="/usr/local/lib/libssl.so.52" --hex
-
-# in another terminal, use the command, then type some string, watch the output of ecapture
-vm@vm-server:~$ /usr/local/bin/openssl s_client -connect github.com:443
-
-# for installed boringssl, usage is the same
-/path/to/bin/bssl s_client -connect github.com:443
+./ecapture gotls -h
 ```
 
-### bash command
-capture bash command.
+## bash Module
+capture bash command : `ecapture bash`
 ```shell
 ps -ef | grep foo
 ```

README_CN.md

@@ -121,33 +121,24 @@ cfc4n@vm-server:~$# cat /boot/config-`uname -r` | grep CONFIG_DEBUG_INFO_BTF
 CONFIG_DEBUG_INFO_BTF=y
 ```
 
-### openssl的无证书抓包 openssl
-执行任意https网络请求即可使用。
+### 启动eCapture
 ```shell
-curl https://www.qq.com
+./ecapture gotls --elfpath=/home/cfc4n/go_https_client --hex
 ```
 
-### libressl&boringssl的测试验证
+### 启动该程序:
+确保该程序会触发https请求。
 ```shell
-# 由于curl等工具依赖于原生openssl的安装，用以下方式测试，也可以重新编译安装相关的工具来测试
-vm@vm-server:~$ ldd /usr/local/bin/openssl
-	linux-vdso.so.1 (0x00007ffc82985000)
-	libssl.so.52 => /usr/local/lib/libssl.so.52 (0x00007f1730f9f000)
-	libcrypto.so.49 => /usr/local/lib/libcrypto.so.49 (0x00007f1730d8a000)
-	libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f1730b62000)
-	/lib64/ld-linux-x86-64.so.2 (0x00007f17310b2000)
-
-# 使用libssl配置libssl.so的路径
-vm@vm-server:~$ sudo ./ecapture tls --libssl="/usr/local/lib/libssl.so.52" --hex
-
-# 另一个终端使用如下命令开启测试，可输入一些字符串，然后回车，观察ecapture的抓包输出
-vm@vm-server:~$ /usr/local/bin/openssl s_client -connect www.qq.com:443
-
-# boringssl的测试，同理
-/path/to/bin/bssl s_client -connect www.qq.com:443
+/home/cfc4n/go_https_client
 ```
+### 更多帮助
+```shell
+./ecapture gotls -h
+```
+
 
 ### bash的shell捕获
+capture bash command : `ecapture bash`
 ```shell
 ps -ef | grep foo
 ```

README_JA.md

@@ -104,37 +104,18 @@ cfc4n@vm-server:~$# cat /boot/config-`uname -r` | grep CONFIG_DEBUG_INFO_BTF
 CONFIG_DEBUG_INFO_BTF=y
 ```
 
-### tls コマンド
-
-TLS テキストコンテキストをキャプチャします。
-ステップ 1:
+Step 1:
 ```shell
-./ecapture tls --hex
+./ecapture gotls --elfpath=/home/cfc4n/go_https_client --hex
 ```
 
-ステップ 2:
+Step 2:
 ```shell
-curl https://github.com
+/home/cfc4n/go_https_client
 ```
-
-### libssl & boringssl
+### more help
 ```shell
-# インストールされた libssl に対して、libssl.so.52 は動的な ssl lib です
-vm@vm-server:~$ ldd /usr/local/bin/openssl
-	linux-vdso.so.1 (0x00007ffc82985000)
-	libssl.so.52 => /usr/local/lib/libssl.so.52 (0x00007f1730f9f000)
-	libcrypto.so.49 => /usr/local/lib/libcrypto.so.49 (0x00007f1730d8a000)
-	libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f1730b62000)
-	/lib64/ld-linux-x86-64.so.2 (0x00007f17310b2000)
-
-# libssl を使って libssl.so のパスを設定
-vm@vm-server:~$ sudo ./ecapture tls --libssl="/usr/local/lib/libssl.so.52" --hex
-
-# 別の端末で実行し、何らかの文字列を入力し、ecapture の出力を確認
-vm@vm-server:~$ /usr/local/bin/openssl s_client -connect github.com:443
-
-# インストールされた boringssl の場合、使い方は同じです
-/path/to/bin/bssl s_client -connect github.com:443
+./ecapture gotls -h
 ```
 
 ### bash コマンド

cli/cmd/gotls.go

@@ -97,6 +97,7 @@ func goTLSCommandFunc(command *cobra.Command, args []string) {
 	if err != nil {
 		// ErrorGoBINNotFound is a special error, we should not print it.
 		if errors.Is(err, config.ErrorGoBINNotFound) {
+			logger.Printf("%s\t%s, exec \"ecapture gotls --help\" for more detail.", mod.Name(), config.ErrorGoBINNotFound.Error())
 			logger.Printf("%s\tmodule [disabled].", mod.Name())
 			return
 		}

user/config/config_gotls.go

@@ -30,7 +30,7 @@ const Arm64armInstSize = 4
 const GoTlsReadFunc = "crypto/tls.(*Conn).Read"
 
 var (
-	ErrorGoBINNotFound  = errors.New("GO application not found")
+	ErrorGoBINNotFound  = errors.New("The executable program (compiled by Golang) was not found")
 	ErrorSymbolNotFound = errors.New("symbol not found")
 	ErrorNoRetFound     = errors.New("no RET instructions found")
 )