7 #define DONT_INCLUDE_SYSCALL_NAMES 1
8 #include "../../Usermode/Libraries/ld-acess.so_src/include_exp/acess/sys.h"
9 #include "../syscalls.h"
14 #define DEBUG(v...) do{if(gbSyscallDebugEnabled)Debug(v);}while(0)
15 #define PAGE_SIZE 4096
17 #define TODO() Warning("TODO: %s", __func__)
19 typedef struct sFILE FILE;
21 extern void exit(int) __attribute__ ((noreturn));
22 extern int printf(const char *, ...);
23 extern int fprintf(FILE *,const char *, ...);
24 extern int sprintf(char *,const char *, ...);
25 extern int vprintf(const char *, va_list);
26 extern int strncmp(const char *, const char *, size_t);
29 extern int giSyscall_ClientID; // Needed for execve
30 extern void _InitSyscalls(void);
31 extern void _CloseSyscalls(void);
33 extern void Warning(const char *Format, ...);
34 extern void Debug(const char *Format, ...);
35 extern int AllocateMemory(uintptr_t VirtAddr, size_t ByteCount);
38 #define NATIVE_FILE_MASK 0x40000000
42 int gbSyscallDebugEnabled = 0;
43 char *gsExecutablePath = "./ld-acess";
47 int acess__SysChdir(const char *Path)
49 return _Syscall(SYS_CHDIR, ">s", Path);
52 int acess__SysOpen(const char *Path, unsigned int Flags)
54 if( strncmp(Path, "$$$$", 4) == 0 )
56 return native_open(Path, Flags) | NATIVE_FILE_MASK;
58 SYSTRACE("open(\"%s\", 0x%x)", Path, Flags);
59 return _Syscall(SYS_OPEN, ">s >i", Path, Flags);
62 void acess__SysClose(int FD)
64 if(FD & NATIVE_FILE_MASK) {
65 return native_close(FD & (NATIVE_FILE_MASK-1));
67 SYSTRACE("close(%i)", FD);
68 _Syscall(SYS_CLOSE, ">i", FD);
71 int acess__SysReopen(int FD, const char *Path, int Flags) {
72 SYSTRACE("reopen(0x%x, \"%s\", 0x%x)", FD, Path, Flags);
73 return _Syscall(SYS_REOPEN, ">i >s >i", FD, Path, Flags);
76 int acess__SysCopyFD(int srcfd, int dstfd) {
77 SYSTRACE("_SysCopyFD(%i, %i)", srcfd, dstfd);
78 return _Syscall(SYS_COPYFD, ">i >i", srcfd, dstfd);
81 int acess__SysFDFlags(int fd, int mask, int newflags) {
82 return _Syscall(SYS_FDFLAGS, ">i >i >i", fd, mask, newflags);
85 size_t acess__SysRead(int FD, void *Dest, size_t Bytes) {
86 if(FD & NATIVE_FILE_MASK)
87 return native_read(FD & (NATIVE_FILE_MASK-1), Dest, Bytes);
88 SYSTRACE("_SysRead(0x%x, 0x%x, *%p)", FD, Bytes, Dest);
89 return _Syscall(SYS_READ, ">i >i <d", FD, Bytes, Bytes, Dest);
92 size_t acess__SysWrite(int FD, const void *Src, size_t Bytes) {
93 if(FD & NATIVE_FILE_MASK)
94 return native_write(FD & (NATIVE_FILE_MASK-1), Src, Bytes);
95 SYSTRACE("_SysWrite(0x%x, 0x%x, %p\"%.*s\")", FD, Bytes, Src, Bytes, (char*)Src);
96 return _Syscall(SYS_WRITE, ">i >i >d", FD, Bytes, Bytes, Src);
99 int acess__SysSeek(int FD, int64_t Ofs, int Dir)
101 if(FD & NATIVE_FILE_MASK) {
102 return native_seek(FD & (NATIVE_FILE_MASK-1), Ofs, Dir);
104 SYSTRACE("_SysSeek(0x%x, 0x%llx, %i)", FD, Ofs, Dir);
105 return _Syscall(SYS_SEEK, ">i >I >i", FD, Ofs, Dir);
108 uint64_t acess__SysTell(int FD)
110 if(FD & NATIVE_FILE_MASK)
111 return native_tell( FD & (NATIVE_FILE_MASK-1) );
112 SYSTRACE("_SysTell(0x%x)", FD);
113 return _Syscall(SYS_TELL, ">i", FD);
116 int acess__SysIOCtl(int fd, int id, void *data) {
118 SYSTRACE("_SysIOCtl(%i, %i, %p)", fd, id, data);
119 // NOTE: The length here is hacky and could break
120 len = (data == NULL ? 0 : PAGE_SIZE - ((uintptr_t)data % PAGE_SIZE));
121 return _Syscall(SYS_IOCTL, ">i >i ?d", fd, id, len, data);
123 int acess__SysFInfo(int fd, t_sysFInfo *info, int maxacls) {
124 SYSTRACE("_SysFInfo(%i, %p, %i)", fd, info, maxacls);
125 return _Syscall(SYS_FINFO, ">i <d >i",
127 sizeof(t_sysFInfo)+maxacls*sizeof(t_sysACL), info,
132 int acess__SysReadDir(int fd, char *dest) {
133 SYSTRACE("_SysReadDir(%i, %p)", fd, dest);
134 return _Syscall(SYS_READDIR, ">i <d", fd, 256, dest);
137 int acess__SysSelect(int nfds, fd_set *read, fd_set *write, fd_set *error, int64_t *timeout, uint32_t events)
139 SYSTRACE("_SysSelect(%i, %p, %p, %p, %p, 0x%x)", nfds, read, write, error, timeout, events);
140 return _Syscall(SYS_SELECT, ">i ?d ?d ?d >d >i", nfds,
141 read ? (nfds+7)/8 : 0, read,
142 write ? (nfds+7)/8 : 0, write,
143 error ? (nfds+7)/8 : 0, error,
144 sizeof(*timeout), timeout,
148 int acess__SysMkDir(const char *pathname)
153 int acess__SysUnlink(const char *pathname)
160 int acess__SysOpenChild(int fd, char *name, int flags) {
161 SYSTRACE("_SysOpenChild(0x%x, '%s', 0x%x)", fd, name, flags);
162 return _Syscall(SYS_OPENCHILD, ">i >s >i", fd, name, flags);
165 int acess__SysGetACL(int fd, t_sysACL *dest) {
166 SYSTRACE("%s(0x%x, %p)", __func__, fd, dest);
167 return _Syscall(SYS_GETACL, ">i <d", fd, sizeof(t_sysACL), dest);
170 int acess__SysMount(const char *Device, const char *Directory, const char *Type, const char *Options) {
171 SYSTRACE("_SysMount('%s', '%s', '%s', '%s')", Device, Directory, Type, Options);
172 return _Syscall(SYS_MOUNT, ">s >s >s >s", Device, Directory, Type, Options);
177 int acess__SysSetFaultHandler(int (*Handler)(int)) {
178 printf("TODO: Set fault handler (asked to set to %p)\n", Handler);
182 void acess__SysSetName(const char *Name)
188 int acess__SysGetName(char *NameDest)
195 int acess__SysSetPri(int Priority)
203 void *acess_SysLoadBin(const char *path, void **entry)
210 int acess__SysUnloadBin(void *base)
218 int acess__SysLoadModule(const char *Path)
224 // --- Timekeeping ---
225 int64_t acess__SysTimestamp(void)
229 // return now()*1000;
233 // --- Memory Management ---
234 uint64_t acess__SysGetPhys(uintptr_t vaddr)
241 uint64_t acess__SysAllocate(uintptr_t vaddr)
243 if( AllocateMemory(vaddr, 0x1000) == -1 ) // Allocate a page
246 return vaddr; // Just ignore the need for paddrs :)
249 // --- Process Management ---
250 int acess__SysClone(int flags, void *stack)
253 Warning("Win32 does not support anything like fork(2), cannot emulate");
256 extern int fork(void);
257 if(flags & CLONE_VM) {
258 int ret, newID, kernel_tid=0;
259 Debug("USERSIDE fork()");
261 newID = _Syscall(SYS_AN_FORK, "<d", sizeof(int), &kernel_tid);
270 giSyscall_ClientID = newID;
275 // Return the acess TID instead
280 Warning("ERROR: Threads currently unsupported\n");
286 int acess__SysKill(int pid, int sig)
288 // TODO: Impliment SysKill
292 int acess__SysExecVE(char *path, char **argv, const char **envp)
296 DEBUG("acess_execve: (path='%s', argv=%p, envp=%p)", path, argv, envp);
298 // Get argument count
299 for( argc = 0; argv[argc]; argc ++ ) ;
300 DEBUG(" acess_execve: argc = %i", argc);
302 const char *new_argv[7+argc+1];
303 char client_id_str[11];
304 char socket_fd_str[11];
305 sprintf(client_id_str, "%i", giSyscall_ClientID);
306 sprintf(socket_fd_str, "%i", gSocket);
307 new_argv[0] = "ld-acess"; // TODO: Get path to ld-acess executable
308 new_argv[1] = "--key"; // Set client ID for Request.c
309 new_argv[2] = client_id_str;
310 new_argv[3] = "--socket"; // Socket
311 new_argv[4] = socket_fd_str;
312 new_argv[5] = "--binary"; // Set the binary path (instead of using argv[0])
314 for( i = 0; i < argc; i ++ ) new_argv[7+i] = argv[i];
315 new_argv[7+i] = NULL;
319 for( i = 0; i < argc; i ++ )
320 printf("\"%s\" ", new_argv[i]);
324 printf("envp = %p\n", envp);
325 for( i = 0; envp[i]; i ++ )
326 printf("%i: \"%s\"\n", i, envp[i]);
327 printf("envc = %i\n", i);
331 // Call actual execve
332 return native_execve("./ld-acess", new_argv, envp);
335 int acess__SysSpawn(const char *binary, const char **argv, const char **envp, int nfd, int fds[], struct s_sys_spawninfo *info)
338 while( argv[argc++] );
340 Debug("_SysSpawn('%s', %p (%i), %p, %i, %p, %p)",
341 binary, argv, argc, envp, nfd, fds, info);
345 newID = _Syscall(SYS_AN_SPAWN, "<d >d >d",
346 sizeof(int), &kernel_tid,
347 nfd*sizeof(int), fds,
348 info ? sizeof(*info) : 0, info);
350 const char *new_argv[5+argc+1];
352 char client_id_str[11];
353 sprintf(client_id_str, "%i", newID);
354 new_argv[new_argc++] = gsExecutablePath; // TODO: Get path to ld-acess executable
355 new_argv[new_argc++] = "--key";
356 new_argv[new_argc++] = client_id_str;
357 new_argv[new_argc++] = "--binary";
358 new_argv[new_argc++] = binary;
359 for( i = 0; argv[i]; i ++)
360 new_argv[new_argc++] = argv[i];
361 new_argv[new_argc++] = NULL;
363 // TODO: Debug output?
365 native_spawn(gsExecutablePath, new_argv, envp);
370 //void acess_sleep(void)
372 // DEBUG("%s()", __func__);
373 // _Syscall(SYS_SLEEP, "");
376 void acess__SysTimedSleep(int64_t Delay)
378 DEBUG("%s(%lli)", __func__, Delay);
379 // Not accurate, but fuck it
380 //if( Delay > 1000 ) sleep(Delay / 1000);
381 //if( Delay % 1000 ) usleep( (Delay % 1000) * 1000 );
382 //_Syscall(SYS_TIMEDSLEEP, ">I", Delay);
385 int acess__SysWaitTID(int TID, int *ExitStatus)
387 DEBUG("%s(%i, %p)", __func__, TID, ExitStatus);
388 return _Syscall(SYS_WAITTID, ">i <d", TID, sizeof(int), &ExitStatus);
391 int acess_setuid(int ID) { return _Syscall(SYS_SETUID, ">i", ID); }
392 int acess_setgid(int ID) { return _Syscall(SYS_SETGID, ">i", ID); }
393 int acess_gettid(void) { return _Syscall(SYS_GETTID, ""); }
394 int acess__SysGetPID(void) { return _Syscall(SYS_GETPID, ""); }
395 int acess__SysGetUID(void) { return _Syscall(SYS_GETUID, ""); }
396 int acess__SysGetGID(void) { return _Syscall(SYS_GETGID, ""); }
397 int acess_getgid(void) { return _Syscall(SYS_GETGID, ""); }
399 int acess__SysSendMessage(int DestTID, int Length, void *Data)
401 DEBUG("%s(%i, 0x%x, %p)", __func__, DestTID, Length, Data);
402 return _Syscall(SYS_SENDMSG, ">i >d", DestTID, Length, Data);
405 int acess__SysGetMessage(int *SourceTID, int BufLen, void *Data)
407 DEBUG("%s(%p, %p)", __func__, SourceTID, Data);
408 return _Syscall(SYS_GETMSG, "<d <d",
409 SourceTID ? sizeof(uint32_t) : 0, SourceTID,
414 int acess__SysWaitEvent(int Mask)
416 DEBUG("%s(%x)", __func__, Mask);
417 return _Syscall(SYS_WAITEVENT, ">i", Mask);
421 void acess__SysDebug(const char *Format, ...)
425 va_start(args, Format);
427 printf("[_SysDebug %i] ", giSyscall_ClientID);
428 vprintf(Format, args);
434 void acess__exit(int Status)
436 DEBUG("_exit(%i)", Status);
437 _Syscall(SYS_EXIT, ">i", Status);
441 uint32_t acess__SysSetMemFlags(uintptr_t vaddr, uint32_t flags, uint32_t mask)
443 // TODO: Impliment acess__SysSetMemFlags?
448 // === Symbol List ===
450 # define DEFSYM(name) {#name, &acess_##name}
452 const tSym caBuiltinSymbols[] = {
457 DEFSYM(_SysOpenChild),
486 DEFSYM(_SysSendMessage),
487 DEFSYM(_SysGetMessage),
489 DEFSYM(_SysAllocate),
490 DEFSYM(_SysSetMemFlags),
492 DEFSYM(_SysSetFaultHandler),
493 DEFSYM(_SysWaitEvent),
498 const int ciNumBuiltinSymbols = sizeof(caBuiltinSymbols)/sizeof(caBuiltinSymbols[0]);