ajout de console de debogage

This commit is contained in:
YANNIS
2025-05-27 16:13:41 +02:00
parent e97e1cbaf5
commit 359f3a9b3a
5 changed files with 89 additions and 9 deletions
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+13 -1
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@@ -9,7 +9,14 @@
#include <cstdio>
Breakpoint::Breakpoint(pid_t pid, std::intptr_t addr)
: m_pid(pid), m_addr(addr) {}
: m_pid(pid), m_addr(addr) {
std::cout << "Creating breakpoint at address: " << std::hex << addr << std::dec << " for process: " << pid << std::endl;
if (addr % 4 != 0) {
throw std::runtime_error("[!] Breakpoint address is not 4-byte aligned (AArch64 requires alignment).");
}
m_enabled = false;
m_saved_data = 0;
}
void Breakpoint::enable() {
if (m_addr % 4 != 0) {
@@ -63,3 +70,8 @@ bool Breakpoint::is_enabled() const {
return m_enabled;
}
std::ostream& operator<<(std::ostream& os, const Breakpoint& bp) {
os << "pid: " << bp.m_pid << "Breakpoint at " << std::hex << bp.m_addr << (bp.m_enabled ? " (enabled)" : " (disabled)");
return os;
}
+12 -6
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@@ -2,11 +2,18 @@
#pragma once
#include <sys/types.h>
#include <cstdint>
#include <vector>
#include <iostream>
class Breakpoint {
private:
pid_t m_pid;
std::intptr_t m_addr;
bool m_enabled = false;
uint8_t m_saved_data;
public:
Breakpoint(pid_t pid, std::intptr_t addr);
Breakpoint(pid_t pid, std::intptr_t addr);
void enable();
void disable();
@@ -14,10 +21,9 @@ public:
bool is_enabled() const;
private:
pid_t m_pid;
std::intptr_t m_addr;
bool m_enabled = false;
uint8_t m_saved_data;
friend std::ostream& operator<<(std::ostream& os, const Breakpoint& bp);
};
+54 -1
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@@ -6,7 +6,9 @@
#include <unistd.h>
#include <signal.h>
Debugger::Debugger(const std::string& prog_name) : program_name(prog_name) {}
Debugger::Debugger(const std::string& prog_name) : program_name(prog_name) {
std::cout << "[+] Debugger initialized for program: " << program_name << "\n";
}
void Debugger::run() {
child_pid = fork();
@@ -30,9 +32,60 @@ void Debugger::run_debugger() {
waitpid(child_pid, &status, 0);
std::cout << "[+] Debugger attached to PID: " << child_pid << "\n";
DEBUGING();
ptrace(PTRACE_CONT, child_pid, nullptr, nullptr);
waitpid(child_pid, &status, 0);
std::cout << "[+] Child process exited.\n";
}
void Debugger::breakpoint_list() {
std::cout << "Breakpoints:\n";
for (const auto& bp : breakpoints) {
std::cout << bp << std::endl;
}
}
void Debugger::set_breakpoint(pid_t pid, std::intptr_t addr) {
Breakpoint bp(pid, addr);
bp.enable();
breakpoints.push_back(bp);
std::cout << "[+] Breakpoint set at address: " << std::hex << addr << std::dec << "\n";
}
void Debugger::remove_breakpoint(pid_t pid, std::intptr_t addr) {
auto it = std::remove_if(breakpoints.begin(), breakpoints.end(),
[pid, addr](const Breakpoint& bp) {
return bp.get_address() == addr && bp.is_enabled();
});
if (it != breakpoints.end()) {
it->disable();
breakpoints.erase(it, breakpoints.end());
std::cout << "[+] Breakpoint removed at address: " << std::hex << addr << std::dec << "\n";
} else {
std::cout << "[-] No breakpoint found at address: " << std::hex << addr << std::dec << "\n";
}
}
void Debugger::DEBUGING() {
std::cout << "[+] Entering debugging loop. Type 'exit' to quit.\n";
std::string command;
while (true) {
std::cout << "debugger> ";
std::getline(std::cin, command);
if (command == "exit") {
break;
} else if (command == "list") {
breakpoint_list();
} else if (command.substr(0, 3) == "set") {
std::intptr_t addr = std::stol(command.substr(4), nullptr, 16);
set_breakpoint(child_pid, addr);
} else if (command.substr(0, 6) == "remove") {
std::intptr_t addr = std::stol(command.substr(7), nullptr, 16);
remove_breakpoint(child_pid, addr);
} else {
std::cout << "Unknown command: " << command << "\n";
}
}
}
+9
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@@ -2,11 +2,19 @@
#pragma once
#include <string>
#include <sys/types.h>
#include <vector>
#include <algorithm>
#include "Breakpoint.hpp"
class Debugger {
public:
Debugger(const std::string& prog_name);
~Debugger() {std::cout << "Debugger destroyed." << std::endl;}
void breakpoint_list();
void set_breakpoint(pid_t pid, std::intptr_t addr);
void remove_breakpoint(pid_t pid, std::intptr_t addr);
void run();
void DEBUGING(void);
private:
void run_target();
@@ -14,5 +22,6 @@ private:
std::string program_name;
pid_t child_pid;
std::vector<Breakpoint> breakpoints;
};