Sweden-Number/dlls/kernel32/tests/debugger.c

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/*
* Unit tests for the debugger facility
*
* Copyright (c) 2007 Francois Gouget for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdio.h>
#include <assert.h>
#include <windows.h>
#include <winreg.h>
#include "wine/test.h"
#ifndef STATUS_DEBUGGER_INACTIVE
#define STATUS_DEBUGGER_INACTIVE ((NTSTATUS) 0xC0000354)
#endif
static int myARGC;
static char** myARGV;
static BOOL (WINAPI *pDebugActiveProcessStop)(DWORD);
static BOOL (WINAPI *pDebugSetProcessKillOnExit)(BOOL);
/* Copied from the process test */
static void get_file_name(char* buf)
{
char path[MAX_PATH];
buf[0] = '\0';
GetTempPathA(sizeof(path), path);
GetTempFileNameA(path, "wt", 0, buf);
}
static void get_events(const char* name, HANDLE *start_event, HANDLE *done_event)
{
const char* basename;
char* event_name;
basename=strrchr(name, '\\');
basename=(basename ? basename+1 : name);
event_name=HeapAlloc(GetProcessHeap(), 0, 6+strlen(basename)+1);
sprintf(event_name, "start_%s", basename);
*start_event=CreateEvent(NULL, 0,0, event_name);
sprintf(event_name, "done_%s", basename);
*done_event=CreateEvent(NULL, 0,0, event_name);
HeapFree(GetProcessHeap(), 0, event_name);
}
static void save_blackbox(const char* logfile, void* blackbox, int size)
{
HANDLE hFile;
DWORD written;
hFile=CreateFileA(logfile, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, 0);
if (hFile == INVALID_HANDLE_VALUE)
return;
WriteFile(hFile, blackbox, size, &written, NULL);
CloseHandle(hFile);
}
static int load_blackbox(const char* logfile, void* blackbox, int size)
{
HANDLE hFile;
DWORD read;
BOOL ret;
hFile=CreateFileA(logfile, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, 0);
if (hFile == INVALID_HANDLE_VALUE)
{
ok(0, "unable to open '%s'\n", logfile);
return 0;
}
ret=ReadFile(hFile, blackbox, size, &read, NULL);
ok(read == size, "wrong size for '%s': read=%d\n", logfile, read);
CloseHandle(hFile);
return 1;
}
typedef struct
{
DWORD pid;
} crash_blackbox_t;
static void doCrash(int argc, char** argv)
{
char* p;
if (argc >= 4)
{
crash_blackbox_t blackbox;
blackbox.pid=GetCurrentProcessId();
save_blackbox(argv[3], &blackbox, sizeof(blackbox));
}
/* Just crash */
trace("child: crashing...\n");
p=NULL;
*p=0;
}
typedef struct
{
int argc;
DWORD pid;
BOOL debug_rc;
DWORD debug_err;
BOOL attach_rc;
DWORD attach_err;
BOOL nokill_rc;
DWORD nokill_err;
BOOL detach_rc;
DWORD detach_err;
} debugger_blackbox_t;
static void doDebugger(int argc, char** argv)
{
const char* logfile;
debugger_blackbox_t blackbox;
HANDLE start_event, done_event, debug_event;
blackbox.argc=argc;
logfile=(argc >= 4 ? argv[3] : NULL);
blackbox.pid=(argc >= 5 ? atol(argv[4]) : 0);
if (strstr(myARGV[2], "attach"))
{
blackbox.attach_rc=DebugActiveProcess(blackbox.pid);
if (!blackbox.attach_rc)
blackbox.attach_err=GetLastError();
}
else
blackbox.attach_rc=TRUE;
debug_event=(argc >= 6 ? (HANDLE)atol(argv[5]) : NULL);
if (debug_event && strstr(myARGV[2], "event"))
{
blackbox.debug_rc=SetEvent(debug_event);
if (!blackbox.debug_rc)
blackbox.debug_err=GetLastError();
}
else
blackbox.debug_rc=TRUE;
get_events(logfile, &start_event, &done_event);
if (strstr(myARGV[2], "order"))
{
trace("debugger: waiting for the start signal...\n");
WaitForSingleObject(start_event, INFINITE);
}
if (strstr(myARGV[2], "nokill"))
{
blackbox.nokill_rc=pDebugSetProcessKillOnExit(FALSE);
if (!blackbox.nokill_rc)
blackbox.nokill_err=GetLastError();
}
else
blackbox.nokill_rc=TRUE;
if (strstr(myARGV[2], "detach"))
{
blackbox.detach_rc=pDebugActiveProcessStop(blackbox.pid);
if (!blackbox.detach_rc)
blackbox.detach_err=GetLastError();
}
else
blackbox.detach_rc=TRUE;
save_blackbox(logfile, &blackbox, sizeof(blackbox));
trace("debugger: done debugging...\n");
SetEvent(done_event);
/* Just exit with a known value */
ExitProcess(0xdeadbeef);
}
static void crash_and_debug(HKEY hkey, const char* argv0, const char* dbgtasks)
{
DWORD ret;
HANDLE start_event, done_event;
char* cmd;
char dbglog[MAX_PATH];
char childlog[MAX_PATH];
PROCESS_INFORMATION info;
STARTUPINFOA startup;
DWORD exit_code;
crash_blackbox_t crash_blackbox;
debugger_blackbox_t dbg_blackbox;
ret=RegSetValueExA(hkey, "auto", 0, REG_SZ, (BYTE*)"1", 2);
ok(ret == ERROR_SUCCESS, "unable to set AeDebug/auto: ret=%d\n", ret);
get_file_name(dbglog);
get_events(dbglog, &start_event, &done_event);
cmd=HeapAlloc(GetProcessHeap(), 0, strlen(argv0)+10+strlen(dbgtasks)+1+strlen(dbglog)+34+1);
sprintf(cmd, "%s debugger %s %s %%ld %%ld", argv0, dbgtasks, dbglog);
ret=RegSetValueExA(hkey, "debugger", 0, REG_SZ, (BYTE*)cmd, strlen(cmd)+1);
ok(ret == ERROR_SUCCESS, "unable to set AeDebug/debugger: ret=%d\n", ret);
HeapFree(GetProcessHeap(), 0, cmd);
get_file_name(childlog);
cmd=HeapAlloc(GetProcessHeap(), 0, strlen(argv0)+16+strlen(dbglog)+1);
sprintf(cmd, "%s debugger crash %s", argv0, childlog);
memset(&startup, 0, sizeof(startup));
startup.cb = sizeof(startup);
startup.dwFlags = STARTF_USESHOWWINDOW;
startup.wShowWindow = SW_SHOWNORMAL;
ret=CreateProcessA(NULL, cmd, NULL, NULL, FALSE, 0, NULL, NULL, &startup, &info);
ok(ret, "CreateProcess: err=%d\n", GetLastError());
HeapFree(GetProcessHeap(), 0, cmd);
CloseHandle(info.hThread);
/* The process exits... */
trace("waiting for child exit...\n");
ok(WaitForSingleObject(info.hProcess, 60000) == WAIT_OBJECT_0, "Timed out waiting for the child to crash\n");
ok(GetExitCodeProcess(info.hProcess, &exit_code), "GetExitCodeProcess failed: err=%d\n", GetLastError());
if (strstr(dbgtasks, "code2"))
{
/* If, after attaching to the debuggee, the debugger exits without
* detaching, then the debuggee gets a special exit code.
*/
ok(exit_code == 0xffffffff || /* Win 9x */
exit_code == 0x80 || /* NT4 */
exit_code == STATUS_DEBUGGER_INACTIVE, /* Win >= XP */
"wrong exit code : %08x\n", exit_code);
}
else
ok(exit_code == STATUS_ACCESS_VIOLATION, "exit code = %08x instead of STATUS_ACCESS_VIOLATION\n", exit_code);
CloseHandle(info.hProcess);
/* ...before the debugger */
if (strstr(dbgtasks, "order"))
ok(SetEvent(start_event), "SetEvent(start_event) failed\n");
trace("waiting for the debugger...\n");
ok(WaitForSingleObject(done_event, 60000) == WAIT_OBJECT_0, "Timed out waiting for the debugger\n");
assert(load_blackbox(childlog, &crash_blackbox, sizeof(crash_blackbox)));
assert(load_blackbox(dbglog, &dbg_blackbox, sizeof(dbg_blackbox)));
ok(dbg_blackbox.argc == 6, "wrong debugger argument count: %d\n", dbg_blackbox.argc);
ok(dbg_blackbox.pid == crash_blackbox.pid, "the child and debugged pids don't match: %d != %d\n", crash_blackbox.pid, dbg_blackbox.pid);
ok(dbg_blackbox.debug_rc, "debugger: SetEvent(debug_event) failed err=%d\n", dbg_blackbox.debug_err);
ok(dbg_blackbox.attach_rc, "DebugActiveProcess(%d) failed err=%d\n", dbg_blackbox.pid, dbg_blackbox.attach_err);
ok(dbg_blackbox.nokill_rc, "DebugSetProcessKillOnExit(FALSE) failed err=%d\n", dbg_blackbox.nokill_err);
ok(dbg_blackbox.detach_rc, "DebugActiveProcessStop(%d) failed err=%d\n", dbg_blackbox.pid, dbg_blackbox.detach_err);
assert(DeleteFileA(dbglog) != 0);
assert(DeleteFileA(childlog) != 0);
}
static void crash_and_winedbg(HKEY hkey, const char* argv0)
{
DWORD ret;
char* cmd;
PROCESS_INFORMATION info;
STARTUPINFOA startup;
DWORD exit_code;
ret=RegSetValueExA(hkey, "auto", 0, REG_SZ, (BYTE*)"1", 2);
ok(ret == ERROR_SUCCESS, "unable to set AeDebug/auto: ret=%d\n", ret);
cmd=HeapAlloc(GetProcessHeap(), 0, strlen(argv0)+15+1);
sprintf(cmd, "%s debugger crash", argv0);
memset(&startup, 0, sizeof(startup));
startup.cb = sizeof(startup);
startup.dwFlags = STARTF_USESHOWWINDOW;
startup.wShowWindow = SW_SHOWNORMAL;
ret=CreateProcessA(NULL, cmd, NULL, NULL, FALSE, 0, NULL, NULL, &startup, &info);
ok(ret, "CreateProcess: err=%d\n", GetLastError());
HeapFree(GetProcessHeap(), 0, cmd);
CloseHandle(info.hThread);
trace("waiting for child exit...\n");
ok(WaitForSingleObject(info.hProcess, 60000) == WAIT_OBJECT_0, "Timed out waiting for the child to crash\n");
ok(GetExitCodeProcess(info.hProcess, &exit_code), "GetExitCodeProcess failed: err=%d\n", GetLastError());
ok(exit_code == STATUS_ACCESS_VIOLATION, "exit code = %08x\n", exit_code);
CloseHandle(info.hProcess);
}
static void test_ExitCode(void)
{
static const char* AeDebug="Software\\Microsoft\\Windows NT\\CurrentVersion\\AeDebug";
char test_exe[MAX_PATH];
DWORD ret;
HKEY hkey;
DWORD disposition;
LPBYTE auto_val=NULL;
DWORD auto_size, auto_type;
LPBYTE debugger_val=NULL;
DWORD debugger_size, debugger_type;
GetModuleFileNameA(GetModuleHandle(NULL), test_exe, sizeof(test_exe));
if (GetFileAttributes(test_exe) == INVALID_FILE_ATTRIBUTES)
strcat(test_exe, ".so");
if (GetFileAttributesA(test_exe) == INVALID_FILE_ATTRIBUTES)
{
ok(0, "could not find the test executable '%s'\n", test_exe);
return;
}
ret=RegCreateKeyExA(HKEY_LOCAL_MACHINE, AeDebug, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hkey, &disposition);
if (ret == ERROR_SUCCESS)
{
auto_size=0;
ret=RegQueryValueExA(hkey, "auto", NULL, &auto_type, NULL, &auto_size);
if (ret == ERROR_SUCCESS)
{
auto_val=HeapAlloc(GetProcessHeap(), 0, auto_size);
RegQueryValueExA(hkey, "auto", NULL, &auto_type, auto_val, &auto_size);
}
debugger_size=0;
ret=RegQueryValueExA(hkey, "debugger", NULL, &debugger_type, NULL, &debugger_size);
if (ret == ERROR_SUCCESS)
{
debugger_val=HeapAlloc(GetProcessHeap(), 0, debugger_size);
RegQueryValueExA(hkey, "debugger", NULL, &debugger_type, debugger_val, &debugger_size);
}
}
else if (ret == ERROR_ACCESS_DENIED)
{
skip("not enough privileges to change the debugger\n");
return;
}
else if (ret != ERROR_FILE_NOT_FOUND)
{
ok(0, "could not open the AeDebug key: %d\n", ret);
return;
}
if (debugger_val && debugger_type == REG_SZ &&
strstr((char*)debugger_val, "winedbg --auto"))
crash_and_winedbg(hkey, test_exe);
crash_and_debug(hkey, test_exe, "dbg,none");
crash_and_debug(hkey, test_exe, "dbg,event,order");
crash_and_debug(hkey, test_exe, "dbg,attach,event,code2");
if (pDebugSetProcessKillOnExit)
crash_and_debug(hkey, test_exe, "dbg,attach,event,nokill");
if (pDebugActiveProcessStop)
crash_and_debug(hkey, test_exe, "dbg,attach,event,detach");
if (disposition == REG_CREATED_NEW_KEY)
{
RegCloseKey(hkey);
RegDeleteKeyA(HKEY_LOCAL_MACHINE, AeDebug);
}
else
{
if (auto_val)
{
RegSetValueExA(hkey, "auto", 0, auto_type, auto_val, auto_size);
HeapFree(GetProcessHeap(), 0, auto_val);
}
else
RegDeleteValueA(hkey, "auto");
if (debugger_val)
{
RegSetValueExA(hkey, "debugger", 0, debugger_type, debugger_val, debugger_size);
HeapFree(GetProcessHeap(), 0, debugger_val);
}
else
RegDeleteValueA(hkey, "debugger");
RegCloseKey(hkey);
}
}
START_TEST(debugger)
{
HMODULE hdll;
hdll=GetModuleHandle("kernel32.dll");
pDebugActiveProcessStop=(void*)GetProcAddress(hdll, "DebugActiveProcessStop");
pDebugSetProcessKillOnExit=(void*)GetProcAddress(hdll, "DebugSetProcessKillOnExit");
myARGC=winetest_get_mainargs(&myARGV);
if (myARGC >= 3 && strcmp(myARGV[2], "crash") == 0)
{
doCrash(myARGC, myARGV);
}
else if (myARGC >= 3 && strncmp(myARGV[2], "dbg,", 4) == 0)
{
doDebugger(myARGC, myARGV);
}
else
{
test_ExitCode();
}
}