gdb - 使用管道输入(不是参数)进行调试 [英] gdb - debugging with piped input (not arguments)

问题描述

我通常使用以下方式运行我的程序:

I typically run my program with:

perl -e 'print "A"x200' | ./vuln_prog

标准输入由 C++ 中的 gets() 函数使用.

The stdin is consumed by a gets() function in C++.

如果这只是一个命令参数，我可以通过以下方式打开 gdb:

If this were just a command argument, I could open gdb by doing:

gdb ./vuln_prog
run $(perl -e 'print "A"x200')

但是，我的场景不是命令参数，而是输入(STDIN?).我将如何在 gdb 中调试它?我已经尝试了很多选项，但似乎没有任何效果.

However, my scenario is not a command argument, but rather input (STDIN?). How would I debug this in gdb? I've tried a bunch of options, but nothing seems to really work.

我通常只在进程上运行 gdb，当它提示用户输入时，输入它，但我不想只输入A".我想输入 x00-xff 中的所有字符，我无法输入.

I would normally just run gdb on the process, and when it prompts for user input, type it in, however I'm not wanting to type just "A". I want to type all chars from x00-xff, which I can't type.

推荐答案

gdb ./vuln_prog
run < filename_with_input

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