X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=AcessNative%2Fld-acess_src%2Fexports.c;h=756febaf10ac6d8389ce9cd6998527ca23daa31e;hb=96d72268a3a1cfddcbd71353881e8bfadc17db5e;hp=af9cc900037286386e61705343adf87a2c5b15d6;hpb=b8b25ae01e13c655608fb6705574e5218b1a519f;p=tpg%2Facess2.git diff --git a/AcessNative/ld-acess_src/exports.c b/AcessNative/ld-acess_src/exports.c index af9cc900..756febaf 100644 --- a/AcessNative/ld-acess_src/exports.c +++ b/AcessNative/ld-acess_src/exports.c @@ -5,16 +5,18 @@ * - Exported functions */ #define DONT_INCLUDE_SYSCALL_NAMES 1 -#include "../../Usermode/include/acess/sys.h" +#include "../../Usermode/Libraries/ld-acess.so_src/include_exp/acess/sys.h" #include "../syscalls.h" #include "exports.h" #include +#include #define DEBUG(v...) Debug(v) +//#define DEBUG(v...) do{}while(0)//Debug(v) +#define PAGE_SIZE 4096 typedef struct sFILE FILE; -extern FILE *stderr; extern void exit(int) __attribute__ ((noreturn)); extern int printf(const char *, ...); extern int fprintf(FILE *,const char *, ...); @@ -22,21 +24,30 @@ extern int sprintf(char *,const char *, ...); extern int vprintf(const char *, va_list); extern int strncmp(const char *, const char *, size_t); +extern int gSocket; 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; +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, int Flags) { if( strncmp(Path, "$$$$", 4) == 0 ) { @@ -46,7 +57,8 @@ int acess_open(const char *Path, int 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)); } @@ -54,26 +66,29 @@ void acess_close(int FD) { _Syscall(SYS_CLOSE, ">i", FD); } -int acess_reopen(int FD, const char *Path, int Flags) { +int acess__SysReopen(int FD, const char *Path, int Flags) { DEBUG("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, size_t Bytes, void *Dest) { +size_t acess__SysRead(int FD, void *Dest, size_t Bytes) { if(FD & NATIVE_FILE_MASK) - return native_read(FD & (NATIVE_FILE_MASK-1), Bytes, Dest); - DEBUG("read(0x%x, 0x%x, *%p)", FD, Bytes, Dest); + return native_read(FD & (NATIVE_FILE_MASK-1), Dest, Bytes); +// if( FD > 2 ) + DEBUG("read(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); return _Syscall(SYS_WRITE, ">i >i >d", FD, Bytes, Bytes, Src); } -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); } @@ -81,61 +96,124 @@ int acess_seek(int FD, int64_t Ofs, int 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) ); + DEBUG("tell(0x%x)", FD); return _Syscall(SYS_TELL, ">i", FD); } -int acess_ioctl(int fd, int id, void *data) { - // NOTE: 1024 byte size is a hack +int acess__SysIOCtl(int fd, int id, void *data) { + int len; DEBUG("ioctl(%i, %i, %p)", fd, id, data); - return _Syscall(SYS_IOCTL, ">i >i ?d", fd, id, 1024, data); + // NOTE: The length here is hacky and could break + if( data == NULL ) + len = 0; + else + len = 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) { +int acess__SysFInfo(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); return _Syscall(SYS_FINFO, ">i i", fd, sizeof(t_sysFInfo)+maxacls*sizeof(t_sysACL), info, - maxacls); + maxacls + ); } -int acess_readdir(int fd, char *dest) { - DEBUG("readdir(%i, %p)", fd, dest); +int acess__SysReadDir(int fd, char *dest) { + DEBUG("SysReadDir(%i, %p)", fd, dest); return _Syscall(SYS_READDIR, ">i i ?d ?d ?d >d", nfds, + DEBUG("_SysSelect(%i, %p, %p, %p, %p, 0x%x)", nfds, read, write, error, timeout, events); + return _Syscall(SYS_SELECT, ">i ?d ?d ?d >d >i", nfds, read ? (nfds+7)/8 : 0, read, write ? (nfds+7)/8 : 0, write, error ? (nfds+7)/8 : 0, error, - sizeof(*timeout), timeout + sizeof(*timeout), timeout, + events ); } +int acess__SysUnlink(const char *pathname) +{ + // TODO: + return 0; +} int acess__SysOpenChild(int fd, char *name, int flags) { + DEBUG("_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) { - return _Syscall(SYS_GETACL, "i i s >s >s >s", Device, Directory, Type, Options); } // --- Error Handler -int acess__SysSetFaultHandler(int (*Handler)(int)) { +int acess__SysSetFaultHandler(int (*Handler)(int)) { printf("TODO: Set fault handler (asked to set to %p)\n", Handler); return 0; } +void acess__SysSetName(const char *Name) +{ + // TODO: +} + +int acess__SysGetName(char *NameDest) +{ + // TODO: + return 0; +} + +int acess__SysSetPri(int Priority) +{ + // TODO: + return 0; +} + +// --- Binaries? --- +void *acess_SysLoadBin(const char *path, void **entry) +{ + // ERROR! + return NULL; +} + +int acess__SysUnloadBin(void *base) +{ + // ERROR! + return -1; +} + +// --- Timekeeping --- +int64_t acess__SysTimestamp(void) +{ + // TODO: Better impl +// return now()*1000; + return 0; +} + // --- Memory Management --- -uint64_t acess__SysAllocate(uint vaddr) +uint64_t acess__SysGetPhys(uintptr_t vaddr) +{ + // TODO: + return 0; +} + +uint64_t acess__SysAllocate(uintptr_t vaddr) { if( AllocateMemory(vaddr, 0x1000) == -1 ) // Allocate a page return 0; @@ -144,20 +222,28 @@ 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("fork()"); + Debug("USERSIDE fork()"); - newID = _Syscall(SYS_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); -int acess_waittid(int TID, int *ExitStatus) -{ - return _Syscall(SYS_WAITTID, ">i i", ID); -} +//void acess_sleep(void) +//{ +// DEBUG("%s()", __func__); +// _Syscall(SYS_SLEEP, ""); +//} -int acess_setgid(int ID) +int acess__SysWaitTID(int TID, int *ExitStatus) { - return _Syscall(SYS_SETGID, ">i", ID); + 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_getgid(void) { return _Syscall(SYS_GETGID, ""); } + +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) { + DEBUG("%s(%p, %p)", __func__, SourceTID, Data); return _Syscall(SYS_GETMSG, "i", Mask); +} + // --- Logging void acess__SysDebug(const char *Format, ...) { @@ -243,7 +388,7 @@ void acess__SysDebug(const char *Format, ...) va_start(args, Format); - printf("[_SysDebug %i]", giSyscall_ClientID); + printf("[_SysDebug %i] ", giSyscall_ClientID); vprintf(Format, args); printf("\n"); @@ -257,42 +402,58 @@ 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(clone), - DEFSYM(execve), - DEFSYM(sleep), + DEFSYM(_SysClone), + DEFSYM(_SysExecVE), + DEFSYM(_SysSpawn), +// DEFSYM(sleep), - DEFSYM(waittid), + DEFSYM(_SysWaitTID), + DEFSYM(gettid), DEFSYM(setuid), DEFSYM(setgid), + DEFSYM(getuid), + DEFSYM(getgid), - DEFSYM(SysSendMessage), - DEFSYM(SysGetMessage), + DEFSYM(_SysSendMessage), + DEFSYM(_SysGetMessage), DEFSYM(_SysAllocate), + DEFSYM(_SysSetMemFlags), DEFSYM(_SysDebug), - DEFSYM(_SysSetFaultHandler) + DEFSYM(_SysSetFaultHandler), + DEFSYM(_SysWaitEvent), + + DEFSYM(_errno) }; const int ciNumBuiltinSymbols = sizeof(caBuiltinSymbols)/sizeof(caBuiltinSymbols[0]);