Suppose we have two programs. The program test is in binary form (ELF file), and the second program is a shred object file, say f.so. I want to hook s ...
Suppose we have two programs. The program test is in binary form (ELF file), and the second program is a shred object file, say f.so. I want to hook s ...
Is it possible to have CMake “export an environment variable” such as LD_PRELOAD before invoking the compiler/linker, like you could in a shell? I am ...
I use LD_PRELOAD to override the MPI_Send function with my own function to do some debugging of the MPI_send function. Here, myMPI_Send.c code: In ...
. Answers to this question are eligible for a +250 reputation bounty. J ...
I'm trying to create a file in memory, which behaves just like a character device. I've used memfd_create(path, 0), but I'm starting to think this is ...
I am writing a toy malloc(3) implementation, loaded with LD_PRELOAD, as an exercise. I have a function annotated with __attribute__((destructor)) to d ...
I want to hook some functions in libssl with LD_PRELOAD in systemd. In systemd file I put and in /etc/myscript.sh I put When I look at /proc/RU ...
Error Conext I installed gr-fosphor according to https://osmocom.org/projects/sdr/wiki/Fosphor on Linux Mint 20.3 x64 Cinnamon with Intel CPU Open ...
The LD_PRELOAD technique allows us to supply our own custom standard library functions to an existing binary, overriding the standard ones or manipula ...
Hi I am trying to override sscanf() which gets called from localtime(), But its not calling sscanf() of my library loaded rather its calling sscanf() ...
I am trying to use sscanf() from preload.so which is generated from preload.c. To check my sscanf() from preload.so is called, I added extra print st ...
The source gets printed, but no open: or open64: gets printed. How to fix this? Thanks! /* gcc -o emload emload.c -ldl ./emload */ // emload.c #def ...
I would like to get argv from an LD_PRELOAD library, for instance, let us assume we call Inside my custom fopen I would like to get "input", hence ...
Im building a project that needs to modify the behavior of some bionic methods (e.g getaddrinfo, __android_print). I've been able to create the hooked ...
c source code as below: #include<stdlib.h> #include<stdio.h> #include "demo_c.h" void func(data_pair* pair) { printf("func cal ...
The Actual Problem I have an executable that by default uses EGL and SDL 1.2 to handle graphics and user input respectively. Using LD_PRELOAD, I have ...
i have a file which is compiled and probably written in C. that file requires an .so file ( library file ). The C Compiled file name is /usr/local/sol ...
There is a hook function socketHook.c that intercepts socket() calls: And a simple program getpwuid.c (1) that just invokes the getpwuid() function ...
protoc depends on higer version of libstdc++. Usually on bash shell we writes: I try to use fish shell to do the same thing. However, fish shell ...
TL;DR: update your bin/qgtunnel. I've recently noticed an increase in my web dyno's memory usage. After digging a bit, I could see that the LD_PREL ...