get_authinfo (#3760)

src/core/libraries/kernel/kernel.cpp

@@ -23,6 +23,7 @@
 #include "core/libraries/kernel/process.h"
 #include "core/libraries/kernel/threads.h"
 #include "core/libraries/kernel/threads/exception.h"
+#include "core/libraries/kernel/threads/pthread.h"
 #include "core/libraries/kernel/time.h"
 #include "core/libraries/libs.h"
 #include "core/libraries/network/sys_net.h"
@@ -256,6 +257,18 @@ const char** PS4_SYSV_ABI getargv() {
     return entry_params.argv;
 }
 
+s32 PS4_SYSV_ABI get_authinfo(int pid, AuthInfoData* p2) {
+    LOG_WARNING(Lib_Kernel, "(STUBBED) called, pid: {}", pid);
+    if ((pid != 0) && (pid != GLOBAL_PID)) {
+        *Kernel::__Error() = POSIX_ESRCH;
+        return -1;
+    }
+
+    *p2 = {};
+    p2->caps[0] = 0x2000000000000000;
+    return ORBIS_OK;
+}
+
 void RegisterLib(Core::Loader::SymbolsResolver* sym) {
     service_thread = std::jthread{KernelServiceThread};
 
@@ -273,6 +286,7 @@ void RegisterLib(Core::Loader::SymbolsResolver* sym) {
     LIB_OBJ("f7uOxY9mM1U", "libkernel", 1, "libkernel", &g_stack_chk_guard);
     LIB_FUNCTION("D4yla3vx4tY", "libkernel", 1, "libkernel", sceKernelError);
     LIB_FUNCTION("Mv1zUObHvXI", "libkernel", 1, "libkernel", sceKernelGetSystemSwVersion);
+    LIB_FUNCTION("igMefp4SAv0", "libkernel", 1, "libkernel", get_authinfo);
     LIB_FUNCTION("PfccT7qURYE", "libkernel", 1, "libkernel", kernel_ioctl);
     LIB_FUNCTION("wW+k21cmbwQ", "libkernel", 1, "libkernel", kernel_ioctl);
     LIB_FUNCTION("JGfTMBOdUJo", "libkernel", 1, "libkernel", sceKernelGetFsSandboxRandomWord);

src/core/libraries/kernel/kernel.h

@@ -44,6 +44,13 @@ struct SwVersionStruct {
     u32 hex_representation;
 };
 
+struct AuthInfoData {
+    u64 paid;
+    u64 caps[4];
+    u64 attrs[4];
+    u64 ucred[8];
+};
+
 void RegisterLib(Core::Loader::SymbolsResolver* sym);
 
 } // namespace Libraries::Kernel

src/core/libraries/kernel/threads/pthread.cpp

@@ -337,7 +337,7 @@ void PS4_SYSV_ABI sched_yield() {
 }
 
 int PS4_SYSV_ABI posix_getpid() {
-    return g_curthread->tid;
+    return GLOBAL_PID;
 }
 
 int PS4_SYSV_ABI posix_pthread_once(PthreadOnce* once_control,

src/core/libraries/kernel/threads/pthread.h

@@ -16,6 +16,8 @@
 #include "core/thread.h"
 #include "core/tls.h"
 
+#define GLOBAL_PID 0xBAD1
+
 namespace Core::Loader {
 class SymbolsResolver;
 }