X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=AcessNative%2Fld-acess_src%2Fexports.c;h=62451ece919c32fdb83f5caba1412ecbfeeb21a6;hb=63895b4261593e7891a28db441a54615d0374c8b;hp=957a86e5c0bf1ab25cc98542f0e0fb31b019cf8e;hpb=49fee999ebaa079cbd48a98edd2323f7b0bbb03c;p=tpg%2Facess2.git diff --git a/AcessNative/ld-acess_src/exports.c b/AcessNative/ld-acess_src/exports.c index 957a86e5..62451ece 100644 --- a/AcessNative/ld-acess_src/exports.c +++ b/AcessNative/ld-acess_src/exports.c @@ -11,12 +11,13 @@ #include #include -#define DEBUG(v...) Debug(v) +#define DEBUG(v...) do{if(gbSyscallDebugEnabled)Debug(v);}while(0) #define PAGE_SIZE 4096 +#define TODO() Warning("TODO: %s", __func__) + typedef struct sFILE FILE; -extern FILE *stderr; extern void exit(int) __attribute__ ((noreturn)); extern int printf(const char *, ...); extern int fprintf(FILE *,const char *, ...); @@ -29,85 +30,108 @@ extern int giSyscall_ClientID; // Needed for execve extern void _InitSyscalls(void); extern void _CloseSyscalls(void); +extern void Warning(const char *Format, ...); extern void Debug(const char *Format, ...); extern int AllocateMemory(uintptr_t VirtAddr, size_t ByteCount); // === CONSTANTS === #define NATIVE_FILE_MASK 0x40000000 +// === GLOBALS === +int acess__errno; + int gbSyscallDebugEnabled = 0; +char *gsExecutablePath = "./ld-acess"; + // === CODE === // --- VFS Calls -int acess_chdir(const char *Path) +int acess__SysChdir(const char *Path) { return _Syscall(SYS_CHDIR, ">s", Path); } -int acess_open(const char *Path, int Flags) +int acess__SysOpen(const char *Path, unsigned int Flags) { if( strncmp(Path, "$$$$", 4) == 0 ) { - return native_open(Path, Flags) | NATIVE_FILE_MASK; + return native_open(Path+4, Flags) | NATIVE_FILE_MASK; + } + if( strncmp(Path, "/Devices/shm/", 13) == 0 ) + { + const char* tag = Path + 13; + Warning("TODO: Handle open SHM \"%s\"", tag); + return native_shm(tag, Flags) | NATIVE_FILE_MASK; } - DEBUG("open(\"%s\", 0x%x)", Path, Flags); + SYSTRACE("open(\"%s\", 0x%x)", Path, Flags); return _Syscall(SYS_OPEN, ">s >i", Path, Flags); } -void acess_close(int FD) { +void acess__SysClose(int FD) +{ if(FD & NATIVE_FILE_MASK) { return native_close(FD & (NATIVE_FILE_MASK-1)); } - DEBUG("close(%i)", FD); + SYSTRACE("close(%i)", FD); _Syscall(SYS_CLOSE, ">i", FD); } -int acess_reopen(int FD, const char *Path, int Flags) { - DEBUG("reopen(0x%x, \"%s\", 0x%x)", FD, Path, Flags); +int acess__SysReopen(int FD, const char *Path, int Flags) { + SYSTRACE("reopen(0x%x, \"%s\", 0x%x)", FD, Path, Flags); return _Syscall(SYS_REOPEN, ">i >s >i", FD, Path, Flags); } -size_t acess_read(int FD, void *Dest, size_t Bytes) { +int acess__SysCopyFD(int srcfd, int dstfd) { + SYSTRACE("_SysCopyFD(%i, %i)", srcfd, dstfd); + return _Syscall(SYS_COPYFD, ">i >i", srcfd, dstfd); +} + +int acess__SysFDFlags(int fd, int mask, int newflags) { + return _Syscall(SYS_FDFLAGS, ">i >i >i", fd, mask, newflags); +} + +size_t acess__SysRead(int FD, void *Dest, size_t Bytes) { if(FD & NATIVE_FILE_MASK) return native_read(FD & (NATIVE_FILE_MASK-1), Dest, Bytes); - if( FD > 2 ) - DEBUG("read(0x%x, 0x%x, *%p)", FD, Bytes, Dest); + SYSTRACE("_SysRead(0x%x, 0x%x, *%p)", FD, Bytes, Dest); return _Syscall(SYS_READ, ">i >i 2 ) - DEBUG("write(0x%x, 0x%x, %p\"%.*s\")", FD, Bytes, Src, Bytes, (char*)Src); + SYSTRACE("_SysWrite(0x%x, 0x%x, %p\"%.*s\")", FD, Bytes, Src, Bytes, (char*)Src); return _Syscall(SYS_WRITE, ">i >i >d", FD, Bytes, Bytes, Src); } +uint64_t acess__SysTruncate(int fd, uint64_t size) { + TODO(); + return 0; +} -int acess_seek(int FD, int64_t Ofs, int Dir) { +int acess__SysSeek(int FD, int64_t Ofs, int Dir) +{ if(FD & NATIVE_FILE_MASK) { return native_seek(FD & (NATIVE_FILE_MASK-1), Ofs, Dir); } - DEBUG("seek(0x%x, 0x%llx, %i)", FD, Ofs, Dir); + SYSTRACE("_SysSeek(0x%x, 0x%llx, %i)", FD, Ofs, Dir); return _Syscall(SYS_SEEK, ">i >I >i", FD, Ofs, Dir); } -uint64_t acess_tell(int FD) { +uint64_t acess__SysTell(int FD) +{ if(FD & NATIVE_FILE_MASK) return native_tell( FD & (NATIVE_FILE_MASK-1) ); + SYSTRACE("_SysTell(0x%x)", FD); return _Syscall(SYS_TELL, ">i", FD); } -int acess_ioctl(int fd, int id, void *data) { +int acess__SysIOCtl(int fd, int id, void *data) { int len; - DEBUG("ioctl(%i, %i, %p)", fd, id, data); + SYSTRACE("_SysIOCtl(%i, %i, %p)", fd, id, data); // NOTE: The length here is hacky and could break - if( data == NULL ) - len = 0; - else - len = PAGE_SIZE - ((uintptr_t)data % PAGE_SIZE); + len = (data == NULL ? 0 : PAGE_SIZE - ((uintptr_t)data % PAGE_SIZE)); return _Syscall(SYS_IOCTL, ">i >i ?d", fd, id, len, data); } -int acess_finfo(int fd, t_sysFInfo *info, int maxacls) { -// DEBUG("offsetof(size, t_sysFInfo) = %i", offsetof(t_sysFInfo, size)); - DEBUG("finfo(%i, %p, %i)", fd, info, maxacls); +int acess__SysFInfo(int fd, t_sysFInfo *info, int maxacls) { + SYSTRACE("_SysFInfo(%i, %p, %i)", fd, info, maxacls); return _Syscall(SYS_FINFO, ">i i", fd, sizeof(t_sysFInfo)+maxacls*sizeof(t_sysACL), info, @@ -115,14 +139,14 @@ int acess_finfo(int fd, t_sysFInfo *info, int maxacls) { ); } -int acess_readdir(int fd, char *dest) { - DEBUG("readdir(%i, %p)", fd, dest); +int acess__SysReadDir(int fd, char *dest) { + SYSTRACE("_SysReadDir(%i, %p)", fd, dest); return _Syscall(SYS_READDIR, ">i i ?d ?d ?d >d >i", nfds, read ? (nfds+7)/8 : 0, read, write ? (nfds+7)/8 : 0, write, @@ -131,22 +155,50 @@ int acess__SysSelect(int nfds, fd_set *read, fd_set *write, fd_set *error, time_ events ); } - -int acess_select(int nfds, fd_set *read, fd_set *write, fd_set *error, time_t *timeout) +int acess__SysMkDir(const char *pathname) { - return acess__SysSelect(nfds, read, write, error, timeout, 0); + TODO(); + return 0; +} +int acess__SysUnlink(const char *pathname) +{ + // TODO: + TODO(); + return 0; +} +void* acess__SysMMap(void *addr, size_t length, unsigned int _flags, int fd, uint64_t offset) +{ + TODO(); + return NULL; +} +int acess__SysMUnMap(void *addr, size_t length) +{ + TODO(); + return 0; +} +uint64_t acess__SysMarshalFD(int FD) +{ + TODO(); + return 0; +} +int acess__SysUnMarshalFD(uint64_t Handle) +{ + TODO(); + return -1; } - int acess__SysOpenChild(int fd, char *name, int flags) { + SYSTRACE("_SysOpenChild(0x%x, '%s', 0x%x)", fd, name, flags); return _Syscall(SYS_OPENCHILD, ">i >s >i", fd, name, flags); } int acess__SysGetACL(int fd, t_sysACL *dest) { + SYSTRACE("%s(0x%x, %p)", __func__, fd, dest); return _Syscall(SYS_GETACL, ">i s >s >s >s", Device, Directory, Type, Options); } @@ -157,8 +209,66 @@ int acess__SysSetFaultHandler(int (*Handler)(int)) { return 0; } +void acess__SysSetName(const char *Name) +{ + // TODO: + TODO(); +} + +int acess__SysGetName(char *NameDest) +{ + // TODO: + TODO(); + return 0; +} + +int acess__SysSetPri(int Priority) +{ + // TODO: + TODO(); + return 0; +} + +// --- Binaries? --- +void *acess_SysLoadBin(const char *path, void **entry) +{ + // ERROR! + TODO(); + return NULL; +} + +int acess__SysUnloadBin(void *base) +{ + // ERROR! + TODO(); + return -1; +} + +// --- System --- +int acess__SysLoadModule(const char *Path) +{ + TODO(); + return -1; +} + +// --- Timekeeping --- +int64_t acess__SysTimestamp(void) +{ + // TODO: Better impl + TODO(); +// return now()*1000; + return 0; +} + // --- Memory Management --- -uint64_t acess__SysAllocate(uint vaddr) +uint64_t acess__SysGetPhys(uintptr_t vaddr) +{ + // TODO: + TODO(); + return 0; +} + +uint64_t acess__SysAllocate(uintptr_t vaddr) { if( AllocateMemory(vaddr, 0x1000) == -1 ) // Allocate a page return 0; @@ -167,12 +277,16 @@ uint64_t acess__SysAllocate(uint vaddr) } // --- Process Management --- -int acess_clone(int flags, void *stack) +int acess__SysClone(int flags, void *stack) { + #ifdef __WIN32__ + Warning("Win32 does not support anything like fork(2), cannot emulate"); + exit(-1); + #else extern int fork(void); if(flags & CLONE_VM) { int ret, newID, kernel_tid=0; - printf("USERSIDE fork()\n"); + Debug("USERSIDE fork()"); newID = _Syscall(SYS_AN_FORK, "d >d", + sizeof(int), &kernel_tid, + nfd*sizeof(int), fds, + info ? sizeof(*info) : 0, info); + + const char *new_argv[5+argc+1]; + int new_argc = 0, i; + char client_id_str[11]; + sprintf(client_id_str, "%i", newID); + new_argv[new_argc++] = gsExecutablePath; // TODO: Get path to ld-acess executable + new_argv[new_argc++] = "--key"; + new_argv[new_argc++] = client_id_str; + new_argv[new_argc++] = "--binary"; + new_argv[new_argc++] = binary; + for( i = 0; argv[i]; i ++) + new_argv[new_argc++] = argv[i]; + new_argv[new_argc++] = NULL; + + // TODO: Debug output? + + native_spawn(gsExecutablePath, new_argv, envp); + + return kernel_tid; +} + +//void acess_sleep(void) +//{ +// DEBUG("%s()", __func__); +// _Syscall(SYS_SLEEP, ""); +//} + +void acess__SysTimedSleep(int64_t Delay) { - _Syscall(SYS_SLEEP, ""); + DEBUG("%s(%lli)", __func__, Delay); + // Not accurate, but fuck it + //if( Delay > 1000 ) sleep(Delay / 1000); + //if( Delay % 1000 ) usleep( (Delay % 1000) * 1000 ); + //_Syscall(SYS_TIMEDSLEEP, ">I", Delay); } -int acess_waittid(int TID, int *ExitStatus) +int acess__SysWaitTID(int TID, int *ExitStatus) { + DEBUG("%s(%i, %p)", __func__, TID, ExitStatus); return _Syscall(SYS_WAITTID, ">i i", ID); } int acess_setgid(int ID) { return _Syscall(SYS_SETGID, ">i", ID); } int acess_gettid(void) { return _Syscall(SYS_GETTID, ""); } -int acess_getpid(void) { return _Syscall(SYS_GETPID, ""); } -int acess_getuid(void) { return _Syscall(SYS_GETUID, ""); } +int acess__SysGetPID(void) { return _Syscall(SYS_GETPID, ""); } +int acess__SysGetUID(void) { return _Syscall(SYS_GETUID, ""); } +int acess__SysGetGID(void) { return _Syscall(SYS_GETGID, ""); } int acess_getgid(void) { return _Syscall(SYS_GETGID, ""); } -int acess_SysSendMessage(int DestTID, int Length, void *Data) +int acess__SysSendMessage(int DestTID, int Length, void *Data) { + DEBUG("%s(%i, 0x%x, %p)", __func__, DestTID, Length, Data); return _Syscall(SYS_SENDMSG, ">i >d", DestTID, Length, Data); } -int acess_SysGetMessage(int *SourceTID, void *Data) +int acess__SysGetMessage(int *SourceTID, int BufLen, void *Data) { -// static __thread int lastlen = 1024; - int lastlen; - - lastlen = _Syscall(SYS_GETMSG, "i", Mask); } // --- Logging +static void int_dbgheader(void ) +{ + printf("[_SysDebug %i] ", giSyscall_ClientID); +} void acess__SysDebug(const char *Format, ...) { va_list args; va_start(args, Format); - - printf("[_SysDebug %i]", giSyscall_ClientID); + int_dbgheader(); vprintf(Format, args); printf("\n"); va_end(args); } +void acess__SysDebugHex(const char *tag, const void *data, size_t size) +{ + int_dbgheader(); + printf("%s (Hexdump of %p+%zi)\r\n", tag, data, size); + + #define CH(n) ((' '<=cdat[(n)]&&cdat[(n)]<0x7F) ? cdat[(n)] : '.') + + const uint8_t *cdat = data; + unsigned int pos = 0; + + while(size >= 16) + { + int_dbgheader(); + printf("%04x:" + " %02x %02x %02x %02x %02x %02x %02x %02x " + " %02x %02x %02x %02x %02x %02x %02x %02x " + " %c%c%c%c%c%c%c%c %c%c%c%c%c%c%c%c\r\n", + pos, + cdat[ 0], cdat[ 1], cdat[ 2], cdat[ 3], cdat[ 4], cdat[ 5], cdat[ 6], cdat[ 7], + cdat[ 8], cdat[ 9], cdat[10], cdat[11], cdat[12], cdat[13], cdat[14], cdat[15], + CH(0), CH(1), CH(2), CH(3), CH(4), CH(5), CH(6), CH(7), + CH(8), CH(9), CH(10), CH(11), CH(12), CH(13), CH(14), CH(15) + ); + size -= 16; + cdat += 16; + pos += 16; + } + + { + int_dbgheader(); + printf("%04x: ", pos); + for(int i = 0; i < size; i ++) + printf("%02x ", cdat[i]); + for(int i = size; i < 16; i ++) + printf(" "); + printf(" "); + for(int i = 0; i < size; i ++) + { + if( i == 8 ) + printf(" "); + printf("%c", CH(i)); + } + + printf("\n"); + } +} + void acess__exit(int Status) { DEBUG("_exit(%i)", Status); @@ -301,45 +518,64 @@ void acess__exit(int Status) exit(Status); } +uint32_t acess__SysSetMemFlags(uintptr_t vaddr, uint32_t flags, uint32_t mask) +{ + // TODO: Impliment acess__SysSetMemFlags? + return 0; +} + // === Symbol List === -#define DEFSYM(name) {#name, acess_##name} +#ifndef DEFSYM +# define DEFSYM(name) {#name, &acess_##name} +#endif const tSym caBuiltinSymbols[] = { DEFSYM(_exit), - DEFSYM(chdir), - DEFSYM(open), - DEFSYM(close), - DEFSYM(reopen), - DEFSYM(read), - DEFSYM(write), - DEFSYM(seek), - DEFSYM(tell), - DEFSYM(ioctl), - DEFSYM(finfo), - DEFSYM(readdir), - DEFSYM(select), + DEFSYM(_SysChdir), + DEFSYM(_SysOpen), DEFSYM(_SysOpenChild), + DEFSYM(_SysReopen), + DEFSYM(_SysClose), + DEFSYM(_SysRead), + DEFSYM(_SysWrite), + DEFSYM(_SysSeek), + DEFSYM(_SysTell), + DEFSYM(_SysIOCtl), + DEFSYM(_SysFInfo), + DEFSYM(_SysReadDir), DEFSYM(_SysGetACL), DEFSYM(_SysMount), DEFSYM(_SysSelect), + DEFSYM(_SysMkDir), + DEFSYM(_SysUnlink), - DEFSYM(clone), - DEFSYM(execve), - DEFSYM(sleep), + DEFSYM(_SysClone), + DEFSYM(_SysExecVE), + DEFSYM(_SysSpawn), +// DEFSYM(sleep), - DEFSYM(waittid), + DEFSYM(_SysWaitTID), + DEFSYM(gettid), + DEFSYM(_SysGetPID), DEFSYM(setuid), DEFSYM(setgid), - DEFSYM(gettid), + DEFSYM(_SysGetUID), + DEFSYM(getgid), - DEFSYM(SysSendMessage), - DEFSYM(SysGetMessage), + DEFSYM(_SysSendMessage), + DEFSYM(_SysGetMessage), DEFSYM(_SysAllocate), + DEFSYM(_SysSetMemFlags), DEFSYM(_SysDebug), + {"_ZN4_sys5debugEPKcz", &acess__SysDebug}, + DEFSYM(_SysDebugHex), + {"_ZN4_sys7hexdumpEPKcPKvj", &acess__SysDebugHex}, DEFSYM(_SysSetFaultHandler), - DEFSYM(_SysWaitEvent) + DEFSYM(_SysWaitEvent), + + DEFSYM(_errno) }; const int ciNumBuiltinSymbols = sizeof(caBuiltinSymbols)/sizeof(caBuiltinSymbols[0]);