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...) Debug(v)
15 //#define DEBUG(v...) do{}while(0)//Debug(v)
16 #define PAGE_SIZE 4096
18 typedef struct sFILE FILE;
20 extern void exit(int) __attribute__ ((noreturn));
21 extern int printf(const char *, ...);
22 extern int fprintf(FILE *,const char *, ...);
23 extern int sprintf(char *,const char *, ...);
24 extern int vprintf(const char *, va_list);
25 extern int strncmp(const char *, const char *, size_t);
28 extern int giSyscall_ClientID; // Needed for execve
29 extern void _InitSyscalls(void);
30 extern void _CloseSyscalls(void);
32 extern void Warning(const char *Format, ...);
33 extern void Debug(const char *Format, ...);
34 extern int AllocateMemory(uintptr_t VirtAddr, size_t ByteCount);
37 #define NATIVE_FILE_MASK 0x40000000
41 char *gsExecutablePath = "./ld-acess";
45 int acess__SysChdir(const char *Path)
47 return _Syscall(SYS_CHDIR, ">s", Path);
50 int acess__SysOpen(const char *Path, int Flags)
52 if( strncmp(Path, "$$$$", 4) == 0 )
54 return native_open(Path, Flags) | NATIVE_FILE_MASK;
56 DEBUG("open(\"%s\", 0x%x)", Path, Flags);
57 return _Syscall(SYS_OPEN, ">s >i", Path, Flags);
60 void acess__SysClose(int FD)
62 if(FD & NATIVE_FILE_MASK) {
63 return native_close(FD & (NATIVE_FILE_MASK-1));
65 DEBUG("close(%i)", FD);
66 _Syscall(SYS_CLOSE, ">i", FD);
69 int acess__SysReopen(int FD, const char *Path, int Flags) {
70 DEBUG("reopen(0x%x, \"%s\", 0x%x)", FD, Path, Flags);
71 return _Syscall(SYS_REOPEN, ">i >s >i", FD, Path, Flags);
74 size_t acess__SysRead(int FD, void *Dest, size_t Bytes) {
75 if(FD & NATIVE_FILE_MASK)
76 return native_read(FD & (NATIVE_FILE_MASK-1), Dest, Bytes);
78 DEBUG("read(0x%x, 0x%x, *%p)", FD, Bytes, Dest);
79 return _Syscall(SYS_READ, ">i >i <d", FD, Bytes, Bytes, Dest);
82 size_t acess__SysWrite(int FD, const void *Src, size_t Bytes) {
83 if(FD & NATIVE_FILE_MASK)
84 return native_write(FD & (NATIVE_FILE_MASK-1), Src, Bytes);
86 DEBUG("write(0x%x, 0x%x, %p\"%.*s\")", FD, Bytes, Src, Bytes, (char*)Src);
87 return _Syscall(SYS_WRITE, ">i >i >d", FD, Bytes, Bytes, Src);
90 int acess__SysSeek(int FD, int64_t Ofs, int Dir)
92 if(FD & NATIVE_FILE_MASK) {
93 return native_seek(FD & (NATIVE_FILE_MASK-1), Ofs, Dir);
95 DEBUG("seek(0x%x, 0x%llx, %i)", FD, Ofs, Dir);
96 return _Syscall(SYS_SEEK, ">i >I >i", FD, Ofs, Dir);
99 uint64_t acess__SysTell(int FD)
101 if(FD & NATIVE_FILE_MASK)
102 return native_tell( FD & (NATIVE_FILE_MASK-1) );
103 DEBUG("tell(0x%x)", FD);
104 return _Syscall(SYS_TELL, ">i", FD);
107 int acess__SysIOCtl(int fd, int id, void *data) {
109 DEBUG("ioctl(%i, %i, %p)", fd, id, data);
110 // NOTE: The length here is hacky and could break
114 len = PAGE_SIZE - ((uintptr_t)data % PAGE_SIZE);
115 return _Syscall(SYS_IOCTL, ">i >i ?d", fd, id, len, data);
117 int acess__SysFInfo(int fd, t_sysFInfo *info, int maxacls) {
118 // DEBUG("offsetof(size, t_sysFInfo) = %i", offsetof(t_sysFInfo, size));
119 DEBUG("finfo(%i, %p, %i)", fd, info, maxacls);
120 return _Syscall(SYS_FINFO, ">i <d >i",
122 sizeof(t_sysFInfo)+maxacls*sizeof(t_sysACL), info,
127 int acess__SysReadDir(int fd, char *dest) {
128 DEBUG("SysReadDir(%i, %p)", fd, dest);
129 return _Syscall(SYS_READDIR, ">i <d", fd, 256, dest);
132 int acess__SysSelect(int nfds, fd_set *read, fd_set *write, fd_set *error, int64_t *timeout, uint32_t events)
134 DEBUG("_SysSelect(%i, %p, %p, %p, %p, 0x%x)", nfds, read, write, error, timeout, events);
135 return _Syscall(SYS_SELECT, ">i ?d ?d ?d >d >i", nfds,
136 read ? (nfds+7)/8 : 0, read,
137 write ? (nfds+7)/8 : 0, write,
138 error ? (nfds+7)/8 : 0, error,
139 sizeof(*timeout), timeout,
144 int acess__SysOpenChild(int fd, char *name, int flags) {
145 DEBUG("_SysOpenChild(0x%x, '%s', 0x%x)", fd, name, flags);
146 return _Syscall(SYS_OPENCHILD, ">i >s >i", fd, name, flags);
149 int acess__SysGetACL(int fd, t_sysACL *dest) {
150 DEBUG("%s(0x%x, %p)", __func__, fd, dest);
151 return _Syscall(SYS_GETACL, ">i <d", fd, sizeof(t_sysACL), dest);
154 int acess__SysMount(const char *Device, const char *Directory, const char *Type, const char *Options) {
155 DEBUG("%s('%s', '%s', '%s', '%s')", __func__, Device, Directory, Type, Options);
156 return _Syscall(SYS_MOUNT, ">s >s >s >s", Device, Directory, Type, Options);
161 int acess__SysSetFaultHandler(int (*Handler)(int)) {
162 printf("TODO: Set fault handler (asked to set to %p)\n", Handler);
166 // --- Memory Management ---
167 uint64_t acess__SysAllocate(uintptr_t vaddr)
169 if( AllocateMemory(vaddr, 0x1000) == -1 ) // Allocate a page
172 return vaddr; // Just ignore the need for paddrs :)
175 // --- Process Management ---
176 int acess__SysClone(int flags, void *stack)
179 Warning("Win32 does not support anything like fork(2), cannot emulate");
182 extern int fork(void);
183 if(flags & CLONE_VM) {
184 int ret, newID, kernel_tid=0;
185 Debug("USERSIDE fork()");
187 newID = _Syscall(SYS_AN_FORK, "<d", sizeof(int), &kernel_tid);
196 giSyscall_ClientID = newID;
201 // Return the acess TID instead
206 Warning("ERROR: Threads currently unsupported\n");
212 int acess__SysExecVE(char *path, char **argv, const char **envp)
216 DEBUG("acess_execve: (path='%s', argv=%p, envp=%p)", path, argv, envp);
218 // Get argument count
219 for( argc = 0; argv[argc]; argc ++ ) ;
220 DEBUG(" acess_execve: argc = %i", argc);
222 const char *new_argv[7+argc+1];
223 char client_id_str[11];
224 char socket_fd_str[11];
225 sprintf(client_id_str, "%i", giSyscall_ClientID);
226 sprintf(socket_fd_str, "%i", gSocket);
227 new_argv[0] = "ld-acess"; // TODO: Get path to ld-acess executable
228 new_argv[1] = "--key"; // Set client ID for Request.c
229 new_argv[2] = client_id_str;
230 new_argv[3] = "--socket"; // Socket
231 new_argv[4] = socket_fd_str;
232 new_argv[5] = "--binary"; // Set the binary path (instead of using argv[0])
234 for( i = 0; i < argc; i ++ ) new_argv[7+i] = argv[i];
235 new_argv[7+i] = NULL;
239 for( i = 0; i < argc; i ++ )
240 printf("\"%s\" ", new_argv[i]);
244 printf("envp = %p\n", envp);
245 for( i = 0; envp[i]; i ++ )
246 printf("%i: \"%s\"\n", i, envp[i]);
247 printf("envc = %i\n", i);
251 // Call actual execve
252 return native_execve("./ld-acess", new_argv, envp);
255 int acess__SysSpawn(const char *binary, const char **argv, const char **envp, int nfd, int fds[], struct s_sys_spawninfo *info)
258 while( argv[argc++] );
260 Debug("_SysSpawn('%s', %p (%i), %p, %i, %p, %p)",
261 binary, argv, argc, envp, nfd, fds, info);
265 newID = _Syscall(SYS_AN_SPAWN, "<d >d >d", sizeof(int), &kernel_tid,
266 nfd*sizeof(int), fds,
267 info ? sizeof(*info) : 0, info);
269 const char *new_argv[5+argc+1];
271 char client_id_str[11];
272 sprintf(client_id_str, "%i", newID);
273 new_argv[new_argc++] = gsExecutablePath; // TODO: Get path to ld-acess executable
274 new_argv[new_argc++] = "--key";
275 new_argv[new_argc++] = client_id_str;
276 new_argv[new_argc++] = "--binary";
277 new_argv[new_argc++] = binary;
278 for( i = 0; argv[i]; i ++)
279 new_argv[new_argc++] = argv[i];
280 new_argv[new_argc++] = NULL;
282 // TODO: Debug output?
284 native_spawn(gsExecutablePath, new_argv, envp);
289 //void acess_sleep(void)
291 // DEBUG("%s()", __func__);
292 // _Syscall(SYS_SLEEP, "");
295 int acess__SysWaitTID(int TID, int *ExitStatus)
297 DEBUG("%s(%i, %p)", __func__, TID, ExitStatus);
298 return _Syscall(SYS_WAITTID, ">i <d", TID, sizeof(int), &ExitStatus);
301 int acess_setuid(int ID) { return _Syscall(SYS_SETUID, ">i", ID); }
302 int acess_setgid(int ID) { return _Syscall(SYS_SETGID, ">i", ID); }
303 int acess_gettid(void) { return _Syscall(SYS_GETTID, ""); }
304 int acess_getpid(void) { return _Syscall(SYS_GETPID, ""); }
305 int acess_getuid(void) { return _Syscall(SYS_GETUID, ""); }
306 int acess_getgid(void) { return _Syscall(SYS_GETGID, ""); }
308 int acess__SysSendMessage(int DestTID, int Length, void *Data)
310 DEBUG("%s(%i, 0x%x, %p)", __func__, DestTID, Length, Data);
311 return _Syscall(SYS_SENDMSG, ">i >d", DestTID, Length, Data);
314 int acess__SysGetMessage(int *SourceTID, int BufLen, void *Data)
316 DEBUG("%s(%p, %p)", __func__, SourceTID, Data);
317 return _Syscall(SYS_GETMSG, "<d <d",
318 SourceTID ? sizeof(uint32_t) : 0, SourceTID,
323 int acess__SysWaitEvent(int Mask)
325 DEBUG("%s(%x)", __func__, Mask);
326 return _Syscall(SYS_WAITEVENT, ">i", Mask);
330 void acess__SysDebug(const char *Format, ...)
334 va_start(args, Format);
336 printf("[_SysDebug %i] ", giSyscall_ClientID);
337 vprintf(Format, args);
343 void acess__exit(int Status)
345 DEBUG("_exit(%i)", Status);
346 _Syscall(SYS_EXIT, ">i", Status);
350 uint32_t acess__SysSetMemFlags(uintptr_t vaddr, uint32_t flags, uint32_t mask)
352 // TODO: Impliment acess__SysSetMemFlags?
357 // === Symbol List ===
358 #define DEFSYM(name) {#name, &acess_##name}
359 const tSym caBuiltinSymbols[] = {
364 DEFSYM(_SysOpenChild),
390 DEFSYM(_SysSendMessage),
391 DEFSYM(_SysGetMessage),
393 DEFSYM(_SysAllocate),
394 DEFSYM(_SysSetMemFlags),
396 DEFSYM(_SysSetFaultHandler),
397 DEFSYM(_SysWaitEvent),
402 const int ciNumBuiltinSymbols = sizeof(caBuiltinSymbols)/sizeof(caBuiltinSymbols[0]);