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#include "CrashReporter.hpp"
#include <random>
#include <sys/utsname.h>
#include <fstream>
#include <signal.h>
#include <link.h>
#include "../plugins/PluginSystem.hpp"
#if defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__)
#include <sys/sysctl.h>
#endif
std::string getRandomMessage() {
const std::vector<std::string> MESSAGES = {"Sorry, didn't mean to...",
"This was an accident, I swear!",
"Calm down, it was a misinput! MISINPUT!",
"Oops",
"Vaxry is going to be upset.",
"Who tried dividing by zero?!",
"Maybe you should try dusting your PC in the meantime?",
"I tried so hard, and got so far...",
"I don't feel so good...",
"*thud*",
"Well this is awkward.",
"\"stable\"",
"I hope you didn't have any unsaved progress.",
"All these computers..."};
std::random_device dev;
std::mt19937 engine(dev());
std::uniform_int_distribution<> distribution(0, MESSAGES.size() - 1);
return MESSAGES[distribution(engine)];
}
void CrashReporter::createAndSaveCrash(int sig) {
// get the backtrace
const int PID = getpid();
std::string finalCrashReport = "";
finalCrashReport += "--------------------------------------------\n Hyprland Crash Report\n--------------------------------------------\n";
finalCrashReport += getRandomMessage() + "\n\n";
finalCrashReport += std::format("Hyprland received signal {} ({})\n\n", sig, (const char*)strsignal(sig));
finalCrashReport += std::format("Version: {}\nTag: {}\n\n", GIT_COMMIT_HASH, GIT_TAG);
if (g_pPluginSystem && !g_pPluginSystem->getAllPlugins().empty()) {
finalCrashReport += "Hyprland seems to be running with plugins. This crash might not be Hyprland's fault.\nPlugins:\n";
for (auto& p : g_pPluginSystem->getAllPlugins()) {
finalCrashReport += std::format("\t{} ({}) {}\n", p->name, p->author, p->version);
}
finalCrashReport += "\n\n";
}
finalCrashReport += "System info:\n";
struct utsname unameInfo;
uname(&unameInfo);
finalCrashReport += std::format("\tSystem name: {}\n\tNode name: {}\n\tRelease: {}\n\tVersion: {}\n\n", std::string{unameInfo.sysname}, std::string{unameInfo.nodename},
std::string{unameInfo.release}, std::string{unameInfo.version});
#if defined(__DragonFly__) || defined(__FreeBSD__)
const std::string GPUINFO = execAndGet("pciconf -lv | fgrep -A4 vga");
#else
const std::string GPUINFO = execAndGet("lspci -vnn | grep VGA");
#endif
finalCrashReport += "GPU:\n\t" + GPUINFO;
finalCrashReport += std::format("\n\nos-release:\n\t{}\n\n\n", replaceInString(execAndGet("cat /etc/os-release"), "\n", "\n\t"));
finalCrashReport += "Backtrace:\n";
const auto CALLSTACK = getBacktrace();
#if defined(KERN_PROC_PATHNAME)
int mib[] = {
CTL_KERN,
#if defined(__NetBSD__)
KERN_PROC_ARGS,
-1,
KERN_PROC_PATHNAME,
#else
KERN_PROC,
KERN_PROC_PATHNAME,
-1,
#endif
};
u_int miblen = sizeof(mib) / sizeof(mib[0]);
char exe[PATH_MAX] = "";
size_t sz = sizeof(exe);
sysctl(mib, miblen, &exe, &sz, NULL, 0);
const auto FPATH = std::filesystem::canonical(exe);
#elif defined(__OpenBSD__)
// Neither KERN_PROC_PATHNAME nor /proc are supported
const auto FPATH = std::filesystem::canonical("/usr/local/bin/Hyprland");
#else
const auto FPATH = std::filesystem::canonical("/proc/self/exe");
#endif
std::string addrs = "";
for (size_t i = 0; i < CALLSTACK.size(); ++i) {
#ifdef __GLIBC__
// convert in memory address to VMA address
Dl_info info;
struct link_map* linkMap;
dladdr1((void*)CALLSTACK[i].adr, &info, (void**)&linkMap, RTLD_DL_LINKMAP);
size_t vmaAddr = (size_t)CALLSTACK[i].adr - linkMap->l_addr;
#else
// musl doesn't define dladdr1
size_t vmaAddr = (size_t)CALLSTACK[i].adr;
#endif
addrs += std::format("0x{:x} ", vmaAddr);
}
#ifdef __clang__
const auto CMD = std::format("llvm-addr2line -e {} -Cf {}", FPATH.c_str(), addrs);
#else
const auto CMD = std::format("addr2line -e {} -Cf {}", FPATH.c_str(), addrs);
#endif
const auto ADDR2LINE = execAndGet(CMD.c_str());
std::stringstream ssin(ADDR2LINE);
for (size_t i = 0; i < CALLSTACK.size(); ++i) {
finalCrashReport += std::format("\t#{} | {}", i, CALLSTACK[i].desc);
std::string functionInfo;
std::string fileLineInfo;
std::getline(ssin, functionInfo);
std::getline(ssin, fileLineInfo);
finalCrashReport += std::format("\n\t\t{}\n\t\t{}\n", functionInfo, fileLineInfo);
}
finalCrashReport += "\n\nLog tail:\n";
finalCrashReport += Debug::rollingLog.substr(Debug::rollingLog.find("\n") + 1);
const auto HOME = getenv("HOME");
const auto CACHE_HOME = getenv("XDG_CACHE_HOME");
if (!HOME)
return;
std::ofstream ofs;
std::string reportDir;
if (!CACHE_HOME || std::string(CACHE_HOME).empty())
reportDir = std::string(HOME) + "/.cache/hyprland";
else
reportDir = std::string(CACHE_HOME) + "/hyprland";
if (!std::filesystem::exists(reportDir))
std::filesystem::create_directory(reportDir);
const auto path = reportDir + "/hyprlandCrashReport" + std::to_string(PID) + ".txt";
ofs.open(path, std::ios::trunc);
ofs << finalCrashReport;
ofs.close();
Debug::disableStdout = false;
Debug::log(CRIT, "Hyprland has crashed :( Consult the crash report at {} for more information.", path);
}
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