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Proton/lsteamclient/steamclient_main.c

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#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <limits.h>
#include <stdint.h>
#include <pthread.h>
#include <assert.h>
#define __USE_GNU
#include <dlfcn.h>
#include "windef.h"
#include "winbase.h"
#include "winnls.h"
#include "winuser.h"
#include "winternl.h"
#include "wine/debug.h"
#include "wine/list.h"
#include "steam_defs.h"
#ifdef __linux__
#include <X11/keysym.h>
#endif
#include "steamclient_private.h"
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
WINE_DEFAULT_DEBUG_CHANNEL(steamclient);
char g_tmppath[PATH_MAX];
static CRITICAL_SECTION steamclient_cs = { NULL, -1, 0, 0, 0, 0 };
static HANDLE steam_overlay_event;
static HANDLE callback_thread_handle;
#define MAX_CALLBACK_QUEUE_SIZE 4
struct callback_data *callback_queue[MAX_CALLBACK_QUEUE_SIZE];
static unsigned int callback_queue_size;
static BOOL callback_queue_done;
static UINT64 callback_queue_current_seq_number;
static pthread_mutex_t callback_queue_mutex;
static pthread_cond_t callback_queue_callback_event;
static pthread_cond_t callback_queue_ready_event;
static pthread_cond_t callback_queue_complete_event;
static void * (WINAPI *p_NtCurrentTeb)(void);
static void init_ntdll_so_funcs(void)
{
Dl_info info;
UINT64 unix_funcs;
unsigned int status;
void *ntdll;
status = NtQueryVirtualMemory(GetCurrentProcess(), GetModuleHandleW(L"ntdll.dll"), (MEMORY_INFORMATION_CLASS)1000 /*MemoryWineUnixFuncs*/,
&unix_funcs, sizeof(unix_funcs), NULL);
if (status)
{
fprintf(stderr, "err:lsteamclient:init_ntdll_so_funcs NtQueryVirtualMemory status %#x.\n", status);
return;
}
if (!dladdr((void *)(ULONG_PTR)unix_funcs, &info))
{
fprintf(stderr, "err:lsteamclient:init_ntdll_so_funcs dladdr failed.\n");
return;
}
ntdll = dlopen(info.dli_fname, RTLD_NOW);
if (!ntdll)
{
fprintf(stderr, "err:lsteamclient:init_ntdll_so_funcs could not find ntdll.so.\n");
return;
}
p_NtCurrentTeb = dlsym(ntdll, "NtCurrentTeb");
dlclose(ntdll);
}
BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, void *reserved)
{
TRACE("(%p, %u, %p)\n", instance, reason, reserved);
switch (reason)
{
case DLL_PROCESS_ATTACH:
DisableThreadLibraryCalls(instance);
steam_overlay_event = CreateEventA(NULL, TRUE, FALSE, "__wine_steamclient_GameOverlayActivated");
init_ntdll_so_funcs();
break;
case DLL_PROCESS_DETACH:
if (callback_thread_handle)
{
/* Unfortunately we don't have a clear place to shutdown the thread so just kill it. */
/* An explicit sync events and handle cleanup is to protect from unloading and loading
* .so again which may end up not actually reloading anyting and leaving the values of our static
* variables. */
TerminateThread(callback_thread_handle, -1);
WaitForSingleObject(callback_thread_handle, INFINITE);
pthread_mutex_destroy(&callback_queue_mutex);
pthread_cond_destroy(&callback_queue_callback_event);
pthread_cond_destroy(&callback_queue_ready_event);
pthread_cond_destroy(&callback_queue_complete_event);
CloseHandle(callback_thread_handle);
callback_thread_handle = NULL;
TRACE("Terminated callback thread.\n");
}
CloseHandle(steam_overlay_event);
break;
}
return TRUE;
}
BOOL is_native_thread(void)
{
if (!p_NtCurrentTeb)
return TRUE;
return !p_NtCurrentTeb();
}
void sync_environment(void)
{
static const char *steamapi_envs[] =
{
"SteamAppId",
"IgnoreChildProcesses",
};
char value[32767];
for (unsigned int i = 0; i < ARRAY_SIZE(steamapi_envs); i++)
{
if (!GetEnvironmentVariableA(steamapi_envs[i], value, ARRAY_SIZE(value)))
{
if (GetLastError() == ERROR_ENVVAR_NOT_FOUND)
{
TRACE("unsetenv(\"%s\")\n", steamapi_envs[i]);
unsetenv(steamapi_envs[i]);
}
continue;
}
TRACE("setenv(\"%s\", \"%s\", 1)\n", steamapi_envs[i], value);
setenv(steamapi_envs[i], value, 1);
}
}
/* Returns:
* - if successful, the number of bytes written to dst, including the NULL terminator;
* - 0 if failed;
* - PATH_MAX if insufficient output buffer (TODO: should be actual required length including NULL terminator). */
unsigned int steamclient_unix_path_to_dos_path(bool api_result, const char *src, char *dst, uint32 dst_bytes, int is_url)
{
static const char file_prot[] = "file://";
WCHAR *dosW;
uint32 r;
if (!api_result)
{
if (dst && dst_bytes)
*dst = 0;
return 0;
}
if (!dst || !dst_bytes)
return PATH_MAX;
if (!src || !*src)
{
*dst = 0;
return PATH_MAX;
}
if (is_url)
{
/* convert only file: URLs */
if (strncmp(src, file_prot, 7))
{
r = strlen(src) + 1;
if (r > dst_bytes)
*dst = 0;
else
memmove(dst, src, r);
return r;
}
if (dst_bytes < sizeof(file_prot))
{
*dst = 0;
return PATH_MAX;
}
memmove(dst, src, 7);
src += 7;
dst += 7;
dst_bytes -= 7;
}
dosW = wine_get_dos_file_name(src);
if (!dosW)
{
WARN("Unable to convert unix filename to DOS: %s.\n", src);
*dst = 0;
return 0;
}
r = WideCharToMultiByte(CP_ACP, 0, dosW, -1, dst, dst_bytes,
NULL, NULL);
if (!r)
{
*dst = 0;
if (GetLastError() == ERROR_INSUFFICIENT_BUFFER)
r = PATH_MAX;
}
HeapFree(GetProcessHeap(), 0, dosW);
return r;
}
#define IS_ABSOLUTE(x) (*x == '/' || *x == '\\' || (*x && *(x + 1) == ':'))
/* returns non-zero on success, zero on failure */
bool steamclient_dos_path_to_unix_path(const char *src, char *dst, int is_url)
{
static const char file_prot[] = "file://";
*dst = 0;
if(!src || !*src)
return 0;
if(is_url){
if(strncmp(src, file_prot, 7) != 0){
strcpy(dst, src);
return 1;
}
src += 7;
memcpy(dst, file_prot, sizeof(file_prot));
dst += 7;
}
if(IS_ABSOLUTE(src)){
/* absolute path, use wine conversion */
WCHAR srcW[PATH_MAX];
char *unix_path;
uint32 r;
r = MultiByteToWideChar(CP_UNIXCP, 0, src, -1, srcW, PATH_MAX);
if(r == 0)
return 0;
unix_path = wine_get_unix_file_name(srcW);
if(!unix_path){
WARN("Unable to convert DOS filename to unix: %s\n", src);
return 0;
}
strncpy(dst, unix_path, PATH_MAX);
HeapFree(GetProcessHeap(), 0, unix_path);
}else{
/* relative path, just fix up backslashes */
const char *s;
char *d;
for(s = src, d = dst; *s; ++s, ++d){
if(*s == '\\')
*d = '/';
else
*d = *s;
}
*d = 0;
}
return 1;
}
const char **steamclient_dos_to_unix_stringlist(const char **src)
{
size_t len;
const char **s;
char **out, **o;
WCHAR scratch[PATH_MAX];
if(!src)
return NULL;
len = sizeof(char*); /* NUL */
for(s = src; *s; ++s)
len += sizeof(char*);
out = HeapAlloc(GetProcessHeap(), 0, len);
for(s = src, o = out; *s; ++s, ++o){
if(IS_ABSOLUTE(*s)){
MultiByteToWideChar(CP_UNIXCP, 0, *s, -1, scratch, sizeof(scratch)/sizeof(*scratch));
*o = wine_get_unix_file_name(scratch);
}else{
const char *r;
char *l;
*o = HeapAlloc(GetProcessHeap(), 0, strlen(*s) + 1);
for(r = *s, l = *o; *r; ++l, ++r){
if(*r == '\\')
*l = '/';
else
*l = *r;
}
*l = 0;
}
}
*o = NULL;
return (const char **)out;
}
void steamclient_free_stringlist(const char **out)
{
if(out){
const char **o;
for(o = out; *o; o++)
HeapFree(GetProcessHeap(), 0, (char *)*o);
HeapFree(GetProcessHeap(), 0, out);
}
}
static BYTE *alloc_start, *alloc_end;
static BOOL allocated_from_steamclient_dll( void *ptr )
{
return (BYTE *)ptr >= alloc_start && (BYTE *)ptr < alloc_end;
}
static void *get_mem_from_steamclient_dll(size_t size, unsigned int version, void *vtbl)
{
static BYTE * const error_ptr = (BYTE *)~(ULONG_PTR)0;
static const unsigned int magic = 0x53ba947a;
static struct
{
unsigned int version;
void *vtbl;
size_t size;
void *ptr;
}
allocated[256];
static unsigned int allocated_count;
static BYTE *alloc_base;
unsigned int i;
if (alloc_base == error_ptr)
{
/* Previously failed to locate the section. */
return NULL;
}
if (alloc_base && (IsBadReadPtr(alloc_start, sizeof(magic)) || *(unsigned int *)alloc_start != magic))
{
TRACE("steamclient.dll reloaded.\n");
alloc_base = alloc_start = alloc_end = NULL;
allocated_count = 0;
}
for (i = 0; i < allocated_count; ++i)
{
if ((vtbl && allocated[i].vtbl == vtbl) || (!vtbl && allocated[i].version == version))
{
if (allocated[i].size != size)
{
FIXME("Size does not match.\n");
return NULL;
}
return allocated[i].ptr;
}
}
if (allocated_count == ARRAY_SIZE(allocated))
{
FIXME("Too many interface versions.\n");
return NULL;
}
if (!alloc_base)
{
const IMAGE_SECTION_HEADER *sec;
const IMAGE_NT_HEADERS *nt;
HMODULE mod;
if (!(mod = GetModuleHandleW(L"steamclient.dll")))
{
/* That is steamclient64.dll for x64 but no known use cases on x64.*/
WARN("Module not found, err %u.\n", GetLastError());
alloc_base = error_ptr;
return NULL;
}
if (!(nt = RtlImageNtHeader(mod)))
{
FIXME("Got NULL NT image headers.\n");
alloc_base = error_ptr;
return NULL;
}
sec = (const IMAGE_SECTION_HEADER *)((const BYTE *)&nt->OptionalHeader + nt->FileHeader.SizeOfOptionalHeader);
for (i = 0; i < nt->FileHeader.NumberOfSections; i++)
{
if (!memcmp(sec[i].Name, ".data", 5))
{
alloc_start = alloc_base = (BYTE *)mod + sec[i].VirtualAddress;
alloc_end = alloc_base + sec[i].SizeOfRawData;
if (alloc_end - alloc_start < sizeof(magic))
{
ERR(".data section is too small.\n");
alloc_base = error_ptr;
return NULL;
}
TRACE("Found .data section, start %p, end %p.\n", alloc_base, alloc_end);
*(unsigned int *)alloc_base = magic;
alloc_base += sizeof(unsigned int);
break;
}
}
if (i == nt->FileHeader.NumberOfSections)
{
FIXME(".data section not found.\n");
alloc_base = error_ptr;
return NULL;
}
}
if (alloc_end - alloc_base < size)
{
FIXME("Not enough section size left.\n");
return NULL;
}
allocated[allocated_count].version = version;
allocated[allocated_count].vtbl = vtbl;
allocated[allocated_count].size = size;
allocated[allocated_count].ptr = alloc_base;
alloc_base += size;
return allocated[allocated_count++].ptr;
}
void *alloc_mem_for_iface(size_t size, const char *iface_version)
{
const char steamclient_iface_name[] = "SteamClient";
unsigned int version;
void *ret;
/* Mafia II depends on SteamClient interface pointer to point inside
* native Windows steamclient.dll. */
if (strncmp(iface_version, steamclient_iface_name, ARRAY_SIZE(steamclient_iface_name) - 1))
goto fallback;
version = atoi(iface_version + ARRAY_SIZE(steamclient_iface_name) - 1);
if (!version)
{
FIXME("Could not get iface version from %s.\n", iface_version);
goto fallback;
}
if ((ret = get_mem_from_steamclient_dll(size, version, NULL)))
return ret;
fallback:
return HeapAlloc(GetProcessHeap(), 0, size);
}
void *alloc_vtable(void *vtable, unsigned int method_count, const char *iface_version)
{
static const char *iface_names[] =
{
"SteamUser",
"SteamFriends",
"SteamUtils",
"STEAMUSERSTATS",
"STEAMAPPS",
"SteamNetworking",
"SteamClient",
};
unsigned int i;
char *ret;
for (i = 0; i < ARRAY_SIZE(iface_names); ++i)
if (!strncmp(iface_version, iface_names[i], strlen(iface_names[i]) - 1))
break;
if (i == ARRAY_SIZE(iface_names))
return vtable;
if (!(ret = get_mem_from_steamclient_dll(method_count * sizeof(void *), 0, vtable)))
return vtable;
TRACE("iface %s, method_count %d, allocating from module.\n", iface_version, method_count);
memcpy(ret, vtable, method_count * sizeof(void *));
return ret;
}
#ifdef __linux__
static const uint32 vk_to_xkeysym[0xFF] = {
0, /* 0x0 Undefined */
0, /* VK_LBUTTON */
0, /* VK_RBUTTON */
XK_Cancel, /* VK_CANCEL */
0, /* VK_MBUTTON */
0, /* VK_XBUTTON1 */
0, /* VK_XBUTTON2 */
0, /* 0x07 Undefined */
XK_BackSpace, /* VK_BACK */
XK_Tab, /* VK_TAB */
0, /* 0x0A-0x0B Undefined */
0,
XK_Clear, /* VK_CLEAR */
XK_Return, /* VK_RETURN */
0, /* 0x0E-0x0F Undefined */
0,
XK_Shift_L, /* VK_SHIFT */
XK_Control_L, /* VK_CONTROL */
XK_Alt_L, /* VK_MENU */
XK_Pause, /* VK_PAUSE */
XK_Caps_Lock, /* VK_CAPITAL */
0, /* VK_KANA */
0, /* 0x16 Undefined */
0, /* VK_JUNJA */
0, /* VK_FINAL */
0, /* VK_HANJA */
0, /* 0x1A Undefined */
XK_Escape, /* VK_ESCAPE */
XK_Henkan_Mode, /* VK_CONVERT */
XK_Muhenkan, /* VK_NONCONVERT */
0, /* VK_ACCEPT */
0, /* VK_MODECHANGE */
' ', /* VK_SPACE */
XK_Prior, /* VK_PRIOR */
XK_Next, /* VK_NEXT */
XK_End, /* VK_END */
XK_Home, /* VK_HOME */
XK_Left, /* VK_LEFT */
XK_Up, /* VK_UP */
XK_Right, /* VK_RIGHT */
XK_Down, /* VK_DOWN */
XK_Select, /* VK_SELECT */
XK_Print, /* VK_PRINT */
XK_Execute, /* VK_EXECUTE */
XK_Print, /* VK_SNAPSHOT */
XK_Insert, /* VK_INSERT */
XK_Delete, /* VK_DELETE */
XK_Help, /* VK_HELP */
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
0, 0, 0, 0, 0, 0, 0, /* 0x3A-0x40 Undefined */
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J',
'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T',
'U', 'V', 'W', 'X', 'Y', 'Z',
XK_Super_L, /* VK_LWIN */
XK_Super_R, /* VK_RWIN */
XK_Menu, /* VK_APPS */
0, /* 0x5E Unassigned */
0, /* VK_SLEEP */
XK_KP_0, /* VK_NUMPAD0 */
XK_KP_1, /* VK_NUMPAD1 */
XK_KP_2, /* VK_NUMPAD2 */
XK_KP_3, /* VK_NUMPAD3 */
XK_KP_4, /* VK_NUMPAD4 */
XK_KP_5, /* VK_NUMPAD5 */
XK_KP_6, /* VK_NUMPAD6 */
XK_KP_7, /* VK_NUMPAD7 */
XK_KP_8, /* VK_NUMPAD8 */
XK_KP_9, /* VK_NUMPAD9 */
XK_KP_Multiply, /* VK_MULTIPLY */
XK_KP_Add, /* VK_ADD */
XK_KP_Separator, /* VK_SEPARATOR */
XK_KP_Subtract, /* VK_SUBTRACT */
XK_KP_Decimal, /* VK_DECIMAL */
XK_KP_Divide, /* VK_DIVIDE */
XK_F1, /* VK_F1 */
XK_F2, /* VK_F2 */
XK_F3, /* VK_F3 */
XK_F4, /* VK_F4 */
XK_F5, /* VK_F5 */
XK_F6, /* VK_F6 */
XK_F7, /* VK_F7 */
XK_F8, /* VK_F8 */
XK_F9, /* VK_F9 */
XK_F10, /* VK_F10 */
XK_F11, /* VK_F11 */
XK_F12, /* VK_F12 */
XK_F13, /* VK_F13 */
XK_F14, /* VK_F14 */
XK_F15, /* VK_F15 */
XK_F16, /* VK_F16 */
XK_F17, /* VK_F17 */
XK_F18, /* VK_F18 */
XK_F19, /* VK_F19 */
XK_F20, /* VK_F20 */
XK_F21, /* VK_F21 */
XK_F22, /* VK_F22 */
XK_F23, /* VK_F23 */
XK_F24, /* VK_F24 */
0, /* VK_NAVIGATION_VIEW */
0, /* VK_NAVIGATION_MENU */
0, /* VK_NAVIGATION_UP */
0, /* VK_NAVIGATION_DOWN */
0, /* VK_NAVIGATION_LEFT */
0, /* VK_NAVIGATION_RIGHT */
0, /* VK_NAVIGATION_ACCEPT */
0, /* VK_NAVIGATION_CANCEL */
XK_Num_Lock, /* VK_NUMLOCK */
XK_Scroll_Lock, /* VK_SCROLL */
XK_KP_Equal, /* VK_OEM_NEC_EQUAL */
0, /* VK_OEM_FJ_JISHO */
0, /* VK_OEM_FJ_MASSHOU */
0, /* VK_OEM_FJ_TOUROKU */
0, /* VK_OEM_FJ_LOYA */
0, /* VK_OEM_FJ_ROYA */
0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x97-0x9F Unassigned */
XK_Shift_L, /* VK_LSHIFT */
XK_Shift_R, /* VK_RSHIFT */
XK_Control_L, /* VK_LCONTROL */
XK_Control_R, /* VK_RCONTROL */
XK_Alt_L, /* VK_LMENU */
XK_Alt_R, /* VK_RMENU */
/* below are OEM, browser keys, etc */
};
uint32 manual_convert_nNativeKeyCode(uint32 win_vk)
{
if(win_vk < sizeof(vk_to_xkeysym) / sizeof(*vk_to_xkeysym))
return vk_to_xkeysym[win_vk];
return 0;
}
#else
#error You must implement VK<->Native keysym conversion for this platform.
#endif
#include "win_constructors.h"
static const struct {
const char *iface_version;
void *(*ctor)(void *);
} constructors[] = {
#include "win_constructors_table.dat"
};
struct steamclient_interface
{
struct list entry;
const char *name;
void *linux_side;
void *interface;
};
static struct list steamclient_interfaces = LIST_INIT(steamclient_interfaces);
void *create_win_interface(const char *name, void *linux_side)
{
struct steamclient_interface *e;
void *ret = NULL;
int i;
TRACE("trying to create %s\n", name);
if (!linux_side)
return NULL;
EnterCriticalSection(&steamclient_cs);
LIST_FOR_EACH_ENTRY(e, &steamclient_interfaces, struct steamclient_interface, entry)
{
if (e->linux_side == linux_side && !strcmp(e->name, name))
{
ret = e->interface;
TRACE("-> %p\n", ret);
goto done;
}
}
for (i = 0; i < sizeof(constructors) / sizeof(*constructors); ++i)
{
if (!strcmp(name, constructors[i].iface_version))
{
ret = constructors[i].ctor(linux_side);
if (allocated_from_steamclient_dll(ret)
|| allocated_from_steamclient_dll(*(void **)ret) /* vtable */)
{
/* Don't cache interfaces allocated from steamclient.dll space.
* steamclient may get reloaded by the app, miss the previous
* data and potentially have different load address. */
break;
}
e = HeapAlloc(GetProcessHeap(), 0, sizeof(*e));
e->name = constructors[i].iface_version;
e->linux_side = linux_side;
e->interface = ret;
list_add_tail(&steamclient_interfaces, &e->entry);
break;
}
}
done:
LeaveCriticalSection(&steamclient_cs);
if (!ret) ERR("Don't recognize interface name: %s\n", name);
return ret;
}
void execute_callback(struct callback_data *cb_data)
{
/* No TRACEs or other Wine calls here, this is executed from Unix native thread
* which is not initialized by Wine. */
cb_data->complete = FALSE;
pthread_mutex_lock(&callback_queue_mutex);
while (!callback_queue_done && callback_queue_size == MAX_CALLBACK_QUEUE_SIZE)
pthread_cond_wait(&callback_queue_ready_event, &callback_queue_mutex);
if (callback_queue_done)
{
pthread_mutex_unlock(&callback_queue_mutex);
return;
}
callback_queue[callback_queue_size++] = cb_data;
pthread_cond_broadcast(&callback_queue_callback_event);
while (!callback_queue_done && !cb_data->complete)
pthread_cond_wait(&callback_queue_complete_event, &callback_queue_mutex);
pthread_mutex_unlock(&callback_queue_mutex);
}
static BOOL get_next_callback(struct callback_data *cb_data, UINT64 *cookie)
{
BOOL ret;
pthread_mutex_lock(&callback_queue_mutex);
while (!callback_queue_done && !callback_queue_size)
pthread_cond_wait(&callback_queue_callback_event, &callback_queue_mutex);
if ((ret = !callback_queue_done))
{
assert(callback_queue_size);
--callback_queue_size;
*cookie = (UINT64)(ULONG_PTR)callback_queue[callback_queue_size];
*cb_data = *callback_queue[callback_queue_size];
}
pthread_cond_broadcast(&callback_queue_ready_event);
pthread_mutex_unlock(&callback_queue_mutex);
return ret;
}
static void callback_complete(UINT64 cookie)
{
struct callback_data *cb_data = (struct callback_data *)(ULONG_PTR)cookie;
pthread_mutex_lock(&callback_queue_mutex);
cb_data->complete = TRUE;
pthread_cond_broadcast(&callback_queue_complete_event);
pthread_mutex_unlock(&callback_queue_mutex);
}
static void finish_callback_thread(void)
{
if (!callback_thread_handle)
return;
pthread_mutex_lock(&callback_queue_mutex);
callback_queue_done = TRUE;
pthread_cond_broadcast(&callback_queue_callback_event);
pthread_cond_broadcast(&callback_queue_complete_event);
pthread_mutex_unlock(&callback_queue_mutex);
WaitForSingleObject(callback_thread_handle, INFINITE);
CloseHandle(callback_thread_handle);
callback_thread_handle = NULL;
}
typedef void (WINAPI *win_FSteamNetworkingSocketsDebugOutput)(ESteamNetworkingSocketsDebugOutputType nType,
const char *pszMsg);
typedef void (CDECL *win_SteamAPIWarningMessageHook_t)(int, const char *pszMsg);
static DWORD WINAPI callback_thread(void *dummy)
{
struct callback_data cb_data;
UINT64 cookie;
while (get_next_callback( &cb_data, &cookie))
{
switch (cb_data.type)
{
case SOCKET_DEBUG_OUTPUT:
TRACE("SOCKET_DEBUG_OUTPUT func %p, type %u, msg %s.\n",
cb_data.func, cb_data.sockets_debug_output.type,
wine_dbgstr_a(cb_data.sockets_debug_output.msg));
((win_FSteamNetworkingSocketsDebugOutput)cb_data.func)(cb_data.sockets_debug_output.type,
cb_data.sockets_debug_output.msg);
callback_complete(cookie);
break;
case STEAM_API_WARNING_HOOK:
TRACE("STEAM_API_WARNING_HOOK func %p, type %u, msg %s.\n",
cb_data.func, cb_data.steam_api_warning_hook.severity,
wine_dbgstr_a(cb_data.steam_api_warning_hook.msg));
((win_SteamAPIWarningMessageHook_t)cb_data.func)(cb_data.steam_api_warning_hook.severity,
cb_data.steam_api_warning_hook.msg);
callback_complete(cookie);
break;
case STEAM_API_CALLBACK_ONE_PARAM:
TRACE("STEAM_API_CALLBACK_ONE_PARAM func %p, param %p.\n",
cb_data.func, cb_data.steam_api_callback_one_param.param);
((void (WINAPI *)(void *))cb_data.func)(cb_data.steam_api_callback_one_param.param);
callback_complete(cookie);
break;
default:
ERR("Unexpected callback type %u.\n", cb_data.type);
break;
}
}
TRACE("exiting.\n");
return 0;
}
static void *steamclient_lib;
static void *(*steamclient_CreateInterface)(const char *name, int *return_code);
static bool (*steamclient_BGetCallback)(HSteamPipe a, CallbackMsg_t *b, int32 *c);
static bool (*steamclient_GetAPICallResult)(HSteamPipe, SteamAPICall_t, void *, int, int, bool *);
static bool (*steamclient_FreeLastCallback)(HSteamPipe);
static void (*steamclient_ReleaseThreadLocalMemory)(int);
static int load_steamclient(void)
{
char path[PATH_MAX], resolved_path[PATH_MAX];
DWORD callback_thread_id;
if(steamclient_lib)
return 1;
sync_environment();
#ifdef __APPLE__
if(getenv("STEAM_COMPAT_CLIENT_INSTALL_PATH")){
snprintf(path, PATH_MAX, "%s/steamclient.dylib", getenv("STEAM_COMPAT_CLIENT_INSTALL_PATH"));
}else{
WARN("Old Steam client, falling back to DYLD environment to locate native steamclient library\n");
strcpy(path, "steamclient.dylib");
}
#else
#ifdef _WIN64
snprintf(path, PATH_MAX, "%s/.steam/sdk64/steamclient.so", getenv("HOME"));
#else
snprintf(path, PATH_MAX, "%s/.steam/sdk32/steamclient.so", getenv("HOME"));
#endif
if (realpath(path, resolved_path)){
strncpy(path, resolved_path, PATH_MAX);
path[PATH_MAX - 1] = 0;
}
#endif
steamclient_lib = dlopen(path, RTLD_NOW);
if(!steamclient_lib){
ERR("unable to load native steamclient library\n");
return 0;
}
steamclient_CreateInterface = dlsym(steamclient_lib, "CreateInterface");
if(!steamclient_CreateInterface){
ERR("unable to load CreateInterface method\n");
return 0;
}
steamclient_BGetCallback = dlsym(steamclient_lib, "Steam_BGetCallback");
if(!steamclient_BGetCallback){
ERR("unable to load BGetCallback method\n");
return 0;
}
steamclient_GetAPICallResult = dlsym(steamclient_lib, "Steam_GetAPICallResult");
if(!steamclient_GetAPICallResult){
ERR("unable to load GetAPICallResult method\n");
return 0;
}
steamclient_FreeLastCallback = dlsym(steamclient_lib, "Steam_FreeLastCallback");
if(!steamclient_FreeLastCallback){
ERR("unable to load FreeLastCallback method\n");
return 0;
}
steamclient_ReleaseThreadLocalMemory = dlsym(steamclient_lib, "Steam_ReleaseThreadLocalMemory");
if(!steamclient_ReleaseThreadLocalMemory){
ERR("unable to load ReleaseThreadLocalMemory method\n");
return 0;
}
pthread_mutex_init(&callback_queue_mutex, NULL);
pthread_cond_init(&callback_queue_callback_event, NULL);
pthread_cond_init(&callback_queue_ready_event, NULL);
pthread_cond_init(&callback_queue_complete_event, NULL);
callback_thread_handle = CreateThread(NULL, 0, callback_thread, NULL, 0, &callback_thread_id);
TRACE("Created callback thread 0x%04x.\n", callback_thread_id);
return 1;
}
void *CDECL CreateInterface(const char *name, int *return_code)
{
TRACE("name: %s, return_code: %p\n", name, return_code);
if(!load_steamclient())
return NULL;
return create_win_interface(name, steamclient_CreateInterface(name, return_code));
}
#include "cb_converters.h"
#pragma pack( push, 8 )
struct winCallbackMsg_t
{
HSteamUser m_hSteamUser;
int m_iCallback;
uint8 *m_pubParam;
int m_cubParam;
} __attribute__ ((ms_struct));
#pragma pack( pop )
static void *last_cb = NULL;
bool CDECL Steam_BGetCallback(HSteamPipe pipe, struct winCallbackMsg_t *win_msg, int32 *ignored)
{
bool ret;
CallbackMsg_t lin_msg;
TRACE("%u, %p, %p\n", pipe, win_msg, ignored);
if(!load_steamclient())
return 0;
next_event:
ret = steamclient_BGetCallback(pipe, &lin_msg, ignored);
if(ret){
BOOL need_free = TRUE;
win_msg->m_hSteamUser = lin_msg.m_hSteamUser;
win_msg->m_iCallback = lin_msg.m_iCallback;
if (win_msg->m_iCallback == 0x14b) /* GameOverlayActivated_t::k_iCallback */
{
uint8 activated = *(uint8 *)lin_msg.m_pubParam;
FIXME("HACK: Steam overlay %sactivated, %sabling all input events.\n", activated ? "" : "de", activated ? "dis" : "en");
if (activated)
{
SetEvent(steam_overlay_event);
keybd_event(VK_LSHIFT, 0x2a /* lshift scancode */, KEYEVENTF_KEYUP, 0);
keybd_event(VK_RSHIFT, 0x36 /* rshift scancode */, KEYEVENTF_KEYUP, 0);
keybd_event(VK_TAB, 0x0f /* tab scancode */, KEYEVENTF_KEYUP, 0);
}
else
{
if (WaitForSingleObject(steam_overlay_event, 0) == WAIT_TIMEOUT)
{
FIXME("Spurious steam overlay deactivate event, skipping.\n");
steamclient_FreeLastCallback(pipe);
goto next_event;
}
ResetEvent(steam_overlay_event);
}
}
switch(win_msg->m_iCallback | (lin_msg.m_cubParam << 16)){
#include "cb_converters.dat"
default:
/* structs are compatible */
need_free = FALSE;
win_msg->m_cubParam = lin_msg.m_cubParam;
win_msg->m_pubParam = lin_msg.m_pubParam;
break;
}
if(need_free)
last_cb = win_msg->m_pubParam;
}
return ret;
}
static int get_callback_len(int cb)
{
switch(cb){
#include "cb_getapi_sizes.dat"
}
return 0;
}
bool do_cb_wrap(HSteamPipe pipe, void *linux_side,
bool (*cpp_func)(void *, SteamAPICall_t, void *, int, int, bool *),
SteamAPICall_t call, void *callback, int callback_len, int cb_expected, bool *failed)
{
void *lin_callback = NULL;
int lin_callback_len;
bool ret;
lin_callback_len = get_callback_len(cb_expected);
if(!lin_callback_len){
/* structs are compatible, pass on through */
if(!cpp_func){
if(!load_steamclient())
return 0;
return steamclient_GetAPICallResult(pipe, call, callback, callback_len, cb_expected, failed);
}
return cpp_func(linux_side, call, callback, callback_len, cb_expected, failed);
}
/* structs require conversion */
lin_callback = HeapAlloc(GetProcessHeap(), 0, lin_callback_len);
if(!cpp_func){
if(!load_steamclient())
return 0;
ret = steamclient_GetAPICallResult(pipe, call, lin_callback, lin_callback_len, cb_expected, failed);
}else
ret = cpp_func(linux_side, call, lin_callback, lin_callback_len, cb_expected, failed);
if(ret){
switch(cb_expected){
#include "cb_getapi_table.dat"
}
}
HeapFree(GetProcessHeap(), 0, lin_callback);
return ret;
}
bool CDECL Steam_GetAPICallResult(HSteamPipe pipe, SteamAPICall_t call,
void *callback, int callback_len, int cb_expected, bool *failed)
{
TRACE("%u, x, %p, %u, %u, %p\n", pipe, callback, callback_len, cb_expected, failed);
return do_cb_wrap(pipe, NULL, NULL, call, callback, callback_len, cb_expected, failed);
}
bool CDECL Steam_FreeLastCallback(HSteamPipe pipe)
{
TRACE("%u\n", pipe);
if(!load_steamclient())
return 0;
HeapFree(GetProcessHeap(), 0, last_cb);
last_cb = NULL;
return steamclient_FreeLastCallback(pipe);
}
void CDECL Steam_ReleaseThreadLocalMemory(int bThreadExit)
{
TRACE("%d\n", bThreadExit);
if(!load_steamclient())
return;
steamclient_ReleaseThreadLocalMemory(bThreadExit);
}
void CDECL Breakpad_SteamMiniDumpInit(uint32_t a, const char *b, const char *c)
{
TRACE("\n");
}
void CDECL Breakpad_SteamSetAppID(uint32_t appid)
{
TRACE("\n");
}
int CDECL Breakpad_SteamSetSteamID(uint64_t steamid)
{
TRACE("\n");
return 1;
}
int CDECL Breakpad_SteamWriteMiniDumpSetComment(const char *comment)
{
TRACE("\n");
return 1;
}
void CDECL Breakpad_SteamWriteMiniDumpUsingExceptionInfoWithBuildId(int a, int b)
{
TRACE("\n");
}
bool after_shutdown(bool ret)
{
TRACE("ret %d.\n", ret);
if (!ret)
return 0;
finish_callback_thread();
return ret;
}
HSteamPipe after_steam_pipe_create(HSteamPipe pipe)
{
DWORD callback_thread_id;
TRACE("pipe %#x.\n", pipe);
if (!pipe)
return 0;
if (callback_thread_handle)
return pipe;
callback_queue_done = FALSE;
callback_thread_handle = CreateThread(NULL, 0, callback_thread, NULL, 0, &callback_thread_id);
TRACE("Created callback thread 0x%04x.\n", callback_thread_id);
return pipe;
}
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