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_chdir(const char *Path)
47 return _Syscall(SYS_CHDIR, ">s", Path);
50 int acess_open(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_close(int FD) {
61 if(FD & NATIVE_FILE_MASK) {
62 return native_close(FD & (NATIVE_FILE_MASK-1));
64 DEBUG("close(%i)", FD);
65 _Syscall(SYS_CLOSE, ">i", FD);
68 int acess_reopen(int FD, const char *Path, int Flags) {
69 DEBUG("reopen(0x%x, \"%s\", 0x%x)", FD, Path, Flags);
70 return _Syscall(SYS_REOPEN, ">i >s >i", FD, Path, Flags);
73 size_t acess_read(int FD, void *Dest, size_t Bytes) {
74 if(FD & NATIVE_FILE_MASK)
75 return native_read(FD & (NATIVE_FILE_MASK-1), Dest, Bytes);
77 DEBUG("read(0x%x, 0x%x, *%p)", FD, Bytes, Dest);
78 return _Syscall(SYS_READ, ">i >i <d", FD, Bytes, Bytes, Dest);
81 size_t acess_write(int FD, const void *Src, size_t Bytes) {
82 if(FD & NATIVE_FILE_MASK)
83 return native_write(FD & (NATIVE_FILE_MASK-1), Src, Bytes);
85 DEBUG("write(0x%x, 0x%x, %p\"%.*s\")", FD, Bytes, Src, Bytes, (char*)Src);
86 return _Syscall(SYS_WRITE, ">i >i >d", FD, Bytes, Bytes, Src);
89 int acess_seek(int FD, int64_t Ofs, int Dir) {
90 if(FD & NATIVE_FILE_MASK) {
91 return native_seek(FD & (NATIVE_FILE_MASK-1), Ofs, Dir);
93 DEBUG("seek(0x%x, 0x%llx, %i)", FD, Ofs, Dir);
94 return _Syscall(SYS_SEEK, ">i >I >i", FD, Ofs, Dir);
97 uint64_t acess_tell(int FD) {
98 if(FD & NATIVE_FILE_MASK)
99 return native_tell( FD & (NATIVE_FILE_MASK-1) );
100 DEBUG("tell(0x%x)", FD);
101 return _Syscall(SYS_TELL, ">i", FD);
104 int acess_ioctl(int fd, int id, void *data) {
106 DEBUG("ioctl(%i, %i, %p)", fd, id, data);
107 // NOTE: The length here is hacky and could break
111 len = PAGE_SIZE - ((uintptr_t)data % PAGE_SIZE);
112 return _Syscall(SYS_IOCTL, ">i >i ?d", fd, id, len, data);
114 int acess_finfo(int fd, t_sysFInfo *info, int maxacls) {
115 // DEBUG("offsetof(size, t_sysFInfo) = %i", offsetof(t_sysFInfo, size));
116 DEBUG("finfo(%i, %p, %i)", fd, info, maxacls);
117 return _Syscall(SYS_FINFO, ">i <d >i",
119 sizeof(t_sysFInfo)+maxacls*sizeof(t_sysACL), info,
124 int acess_SysReadDir(int fd, char *dest) {
125 DEBUG("SysReadDir(%i, %p)", fd, dest);
126 return _Syscall(SYS_READDIR, ">i <d", fd, 256, dest);
129 int acess__SysSelect(int nfds, fd_set *read, fd_set *write, fd_set *error, int64_t *timeout, uint32_t events)
131 DEBUG("_SysSelect(%i, %p, %p, %p, %p, 0x%x)", nfds, read, write, error, timeout, events);
132 return _Syscall(SYS_SELECT, ">i ?d ?d ?d >d >i", nfds,
133 read ? (nfds+7)/8 : 0, read,
134 write ? (nfds+7)/8 : 0, write,
135 error ? (nfds+7)/8 : 0, error,
136 sizeof(*timeout), timeout,
141 int acess_select(int nfds, fd_set *read, fd_set *write, fd_set *error, int64_t *timeout)
143 return acess__SysSelect(nfds, read, write, error, timeout, 0);
147 int acess__SysOpenChild(int fd, char *name, int flags) {
148 DEBUG("_SysOpenChild(0x%x, '%s', 0x%x)", fd, name, flags);
149 return _Syscall(SYS_OPENCHILD, ">i >s >i", fd, name, flags);
152 int acess__SysGetACL(int fd, t_sysACL *dest) {
153 DEBUG("%s(0x%x, %p)", __func__, fd, dest);
154 return _Syscall(SYS_GETACL, ">i <d", fd, sizeof(t_sysACL), dest);
157 int acess__SysMount(const char *Device, const char *Directory, const char *Type, const char *Options) {
158 DEBUG("%s('%s', '%s', '%s', '%s')", __func__, Device, Directory, Type, Options);
159 return _Syscall(SYS_MOUNT, ">s >s >s >s", Device, Directory, Type, Options);
164 int acess__SysSetFaultHandler(int (*Handler)(int)) {
165 printf("TODO: Set fault handler (asked to set to %p)\n", Handler);
169 // --- Memory Management ---
170 uint64_t acess__SysAllocate(uintptr_t vaddr)
172 if( AllocateMemory(vaddr, 0x1000) == -1 ) // Allocate a page
175 return vaddr; // Just ignore the need for paddrs :)
178 // --- Process Management ---
179 int acess_clone(int flags, void *stack)
182 Warning("Win32 does not support anything like fork(2), cannot emulate");
185 extern int fork(void);
186 if(flags & CLONE_VM) {
187 int ret, newID, kernel_tid=0;
188 Debug("USERSIDE fork()");
190 newID = _Syscall(SYS_AN_FORK, "<d", sizeof(int), &kernel_tid);
199 giSyscall_ClientID = newID;
204 // Return the acess TID instead
209 Warning("ERROR: Threads currently unsupported\n");
215 int acess_execve(char *path, char **argv, const char **envp)
219 DEBUG("acess_execve: (path='%s', argv=%p, envp=%p)", path, argv, envp);
221 // Get argument count
222 for( argc = 0; argv[argc]; argc ++ ) ;
223 DEBUG(" acess_execve: argc = %i", argc);
225 const char *new_argv[7+argc+1];
226 char client_id_str[11];
227 char socket_fd_str[11];
228 sprintf(client_id_str, "%i", giSyscall_ClientID);
229 sprintf(socket_fd_str, "%i", gSocket);
230 new_argv[0] = "ld-acess"; // TODO: Get path to ld-acess executable
231 new_argv[1] = "--key"; // Set client ID for Request.c
232 new_argv[2] = client_id_str;
233 new_argv[3] = "--socket"; // Socket
234 new_argv[4] = socket_fd_str;
235 new_argv[5] = "--binary"; // Set the binary path (instead of using argv[0])
237 for( i = 0; i < argc; i ++ ) new_argv[7+i] = argv[i];
238 new_argv[7+i] = NULL;
242 for( i = 0; i < argc; i ++ )
243 printf("\"%s\" ", new_argv[i]);
247 printf("envp = %p\n", envp);
248 for( i = 0; envp[i]; i ++ )
249 printf("%i: \"%s\"\n", i, envp[i]);
250 printf("envc = %i\n", i);
254 // Call actual execve
255 return native_execve("./ld-acess", new_argv, envp);
258 int acess__SysSpawn(const char *binary, const char **argv, const char **envp, int nfd, int fds[], struct s_sys_spawninfo *info)
261 while( argv[argc++] );
263 Debug("_SysSpawn('%s', %p (%i), %p, %i, %p, %p)",
264 binary, argv, argc, envp, nfd, fds, info);
268 newID = _Syscall(SYS_AN_SPAWN, "<d >d >d", sizeof(int), &kernel_tid,
269 nfd*sizeof(int), fds,
270 info ? sizeof(*info) : 0, info);
272 const char *new_argv[5+argc+1];
274 char client_id_str[11];
275 sprintf(client_id_str, "%i", newID);
276 new_argv[new_argc++] = gsExecutablePath; // TODO: Get path to ld-acess executable
277 new_argv[new_argc++] = "--key";
278 new_argv[new_argc++] = client_id_str;
279 new_argv[new_argc++] = "--binary";
280 new_argv[new_argc++] = binary;
281 for( i = 0; argv[i]; i ++)
282 new_argv[new_argc++] = argv[i];
283 new_argv[new_argc++] = NULL;
285 // TODO: Debug output?
287 native_spawn(gsExecutablePath, new_argv, envp);
292 void acess_sleep(void)
294 DEBUG("%s()", __func__);
295 _Syscall(SYS_SLEEP, "");
298 int acess_waittid(int TID, int *ExitStatus)
300 DEBUG("%s(%i, %p)", __func__, TID, ExitStatus);
301 return _Syscall(SYS_WAITTID, ">i <d", TID, sizeof(int), &ExitStatus);
304 int acess_setuid(int ID) { return _Syscall(SYS_SETUID, ">i", ID); }
305 int acess_setgid(int ID) { return _Syscall(SYS_SETGID, ">i", ID); }
306 int acess_gettid(void) { return _Syscall(SYS_GETTID, ""); }
307 int acess_getpid(void) { return _Syscall(SYS_GETPID, ""); }
308 int acess_getuid(void) { return _Syscall(SYS_GETUID, ""); }
309 int acess_getgid(void) { return _Syscall(SYS_GETGID, ""); }
311 int acess_SysSendMessage(int DestTID, int Length, void *Data)
313 DEBUG("%s(%i, 0x%x, %p)", __func__, DestTID, Length, Data);
314 return _Syscall(SYS_SENDMSG, ">i >d", DestTID, Length, Data);
317 int acess_SysGetMessage(int *SourceTID, int BufLen, void *Data)
319 DEBUG("%s(%p, %p)", __func__, SourceTID, Data);
320 return _Syscall(SYS_GETMSG, "<d <d",
321 SourceTID ? sizeof(uint32_t) : 0, SourceTID,
326 int acess__SysWaitEvent(int Mask)
328 DEBUG("%s(%x)", __func__, Mask);
329 return _Syscall(SYS_WAITEVENT, ">i", Mask);
333 void acess__SysDebug(const char *Format, ...)
337 va_start(args, Format);
339 printf("[_SysDebug %i] ", giSyscall_ClientID);
340 vprintf(Format, args);
346 void acess__exit(int Status)
348 DEBUG("_exit(%i)", Status);
349 _Syscall(SYS_EXIT, ">i", Status);
353 uint32_t acess__SysSetMemFlags(uintptr_t vaddr, uint32_t flags, uint32_t mask)
355 // TODO: Impliment acess__SysSetMemFlags?
360 // === Symbol List ===
361 #define DEFSYM(name) {#name, &acess_##name}
362 const tSym caBuiltinSymbols[] = {
377 DEFSYM(_SysOpenChild),
394 DEFSYM(SysSendMessage),
395 DEFSYM(SysGetMessage),
397 DEFSYM(_SysAllocate),
398 DEFSYM(_SysSetMemFlags),
400 DEFSYM(_SysSetFaultHandler),
401 DEFSYM(_SysWaitEvent),
406 const int ciNumBuiltinSymbols = sizeof(caBuiltinSymbols)/sizeof(caBuiltinSymbols[0]);