| 1 | /* WIN32.C |
| 2 | * |
| 3 | * (c) 1995 Microsoft Corporation. All rights reserved. |
| 4 | * Developed by hip communications inc. |
| 5 | * Portions (c) 1993 Intergraph Corporation. All rights reserved. |
| 6 | * |
| 7 | * You may distribute under the terms of either the GNU General Public |
| 8 | * License or the Artistic License, as specified in the README file. |
| 9 | */ |
| 10 | #define PERLIO_NOT_STDIO 0 |
| 11 | #define WIN32_LEAN_AND_MEAN |
| 12 | #define WIN32IO_IS_STDIO |
| 13 | #include <tchar.h> |
| 14 | |
| 15 | #ifdef __GNUC__ |
| 16 | # define Win32_Winsock |
| 17 | #endif |
| 18 | |
| 19 | #ifndef _WIN32_WINNT |
| 20 | # define _WIN32_WINNT 0x0500 /* needed for CreateHardlink() etc. */ |
| 21 | #endif |
| 22 | |
| 23 | #include <windows.h> |
| 24 | |
| 25 | #ifndef HWND_MESSAGE |
| 26 | # define HWND_MESSAGE ((HWND)-3) |
| 27 | #endif |
| 28 | |
| 29 | #ifndef PROCESSOR_ARCHITECTURE_AMD64 |
| 30 | # define PROCESSOR_ARCHITECTURE_AMD64 9 |
| 31 | #endif |
| 32 | |
| 33 | #ifndef WC_NO_BEST_FIT_CHARS |
| 34 | # define WC_NO_BEST_FIT_CHARS 0x00000400 |
| 35 | #endif |
| 36 | |
| 37 | #include <winnt.h> |
| 38 | #include <commctrl.h> |
| 39 | #include <tlhelp32.h> |
| 40 | #include <io.h> |
| 41 | #include <signal.h> |
| 42 | |
| 43 | /* #include "config.h" */ |
| 44 | |
| 45 | |
| 46 | #define PerlIO FILE |
| 47 | |
| 48 | #include <sys/stat.h> |
| 49 | #include "EXTERN.h" |
| 50 | #include "perl.h" |
| 51 | |
| 52 | #define NO_XSLOCKS |
| 53 | #define PERL_NO_GET_CONTEXT |
| 54 | #include "XSUB.h" |
| 55 | |
| 56 | #include <fcntl.h> |
| 57 | #ifndef __GNUC__ |
| 58 | /* assert.h conflicts with #define of assert in perl.h */ |
| 59 | # include <assert.h> |
| 60 | #endif |
| 61 | |
| 62 | #include <string.h> |
| 63 | #include <stdarg.h> |
| 64 | #include <float.h> |
| 65 | #include <time.h> |
| 66 | #include <sys/utime.h> |
| 67 | |
| 68 | #ifdef __GNUC__ |
| 69 | /* Mingw32 defaults to globing command line |
| 70 | * So we turn it off like this: |
| 71 | */ |
| 72 | int _CRT_glob = 0; |
| 73 | #endif |
| 74 | |
| 75 | #if defined(__MINGW32__) && (__MINGW32_MAJOR_VERSION==1) |
| 76 | /* Mingw32-1.1 is missing some prototypes */ |
| 77 | START_EXTERN_C |
| 78 | FILE * _wfopen(LPCWSTR wszFileName, LPCWSTR wszMode); |
| 79 | FILE * _wfdopen(int nFd, LPCWSTR wszMode); |
| 80 | FILE * _freopen(LPCWSTR wszFileName, LPCWSTR wszMode, FILE * pOldStream); |
| 81 | int _flushall(); |
| 82 | int _fcloseall(); |
| 83 | END_EXTERN_C |
| 84 | #endif |
| 85 | |
| 86 | #define EXECF_EXEC 1 |
| 87 | #define EXECF_SPAWN 2 |
| 88 | #define EXECF_SPAWN_NOWAIT 3 |
| 89 | |
| 90 | #if defined(PERL_IMPLICIT_SYS) |
| 91 | # undef getlogin |
| 92 | # define getlogin g_getlogin |
| 93 | #endif |
| 94 | |
| 95 | /* VS2005 (MSC version 14) provides a mechanism to set an invalid |
| 96 | * parameter handler. This functionality is not available in the |
| 97 | * 64-bit compiler from the Platform SDK, which unfortunately also |
| 98 | * believes itself to be MSC version 14. |
| 99 | * |
| 100 | * There is no #define related to _set_invalid_parameter_handler(), |
| 101 | * but we can check for one of the constants defined for |
| 102 | * _set_abort_behavior(), which was introduced into stdlib.h at |
| 103 | * the same time. |
| 104 | */ |
| 105 | |
| 106 | #if _MSC_VER >= 1400 && defined(_WRITE_ABORT_MSG) |
| 107 | # define SET_INVALID_PARAMETER_HANDLER |
| 108 | #endif |
| 109 | |
| 110 | #ifdef SET_INVALID_PARAMETER_HANDLER |
| 111 | static BOOL set_silent_invalid_parameter_handler(BOOL newvalue); |
| 112 | static void my_invalid_parameter_handler(const wchar_t* expression, |
| 113 | const wchar_t* function, const wchar_t* file, |
| 114 | unsigned int line, uintptr_t pReserved); |
| 115 | #endif |
| 116 | |
| 117 | #ifndef WIN32_NO_REGISTRY |
| 118 | static char* get_regstr_from(HKEY hkey, const char *valuename, SV **svp); |
| 119 | static char* get_regstr(const char *valuename, SV **svp); |
| 120 | #endif |
| 121 | |
| 122 | static char* get_emd_part(SV **prev_pathp, STRLEN *const len, |
| 123 | char *trailing, ...); |
| 124 | static char* win32_get_xlib(const char *pl, |
| 125 | WIN32_NO_REGISTRY_M_(const char *xlib) |
| 126 | const char *libname, STRLEN *const len); |
| 127 | |
| 128 | static BOOL has_shell_metachars(const char *ptr); |
| 129 | static long tokenize(const char *str, char **dest, char ***destv); |
| 130 | static void get_shell(void); |
| 131 | static char* find_next_space(const char *s); |
| 132 | static int do_spawn2(pTHX_ const char *cmd, int exectype); |
| 133 | static int do_spawn2_handles(pTHX_ const char *cmd, int exectype, |
| 134 | const int *handles); |
| 135 | static int do_spawnvp_handles(int mode, const char *cmdname, |
| 136 | const char * const *argv, const int *handles); |
| 137 | static PerlIO * do_popen(const char *mode, const char *command, IV narg, |
| 138 | SV **args); |
| 139 | static long find_pid(pTHX_ int pid); |
| 140 | static void remove_dead_process(long child); |
| 141 | static int terminate_process(DWORD pid, HANDLE process_handle, int sig); |
| 142 | static int my_killpg(int pid, int sig); |
| 143 | static int my_kill(int pid, int sig); |
| 144 | static void out_of_memory(void); |
| 145 | static char* wstr_to_str(const wchar_t* wstr); |
| 146 | static long filetime_to_clock(PFILETIME ft); |
| 147 | static BOOL filetime_from_time(PFILETIME ft, time_t t); |
| 148 | static char* create_command_line(char *cname, STRLEN clen, |
| 149 | const char * const *args); |
| 150 | static char* qualified_path(const char *cmd, bool other_exts); |
| 151 | static void ansify_path(void); |
| 152 | static LRESULT win32_process_message(HWND hwnd, UINT msg, |
| 153 | WPARAM wParam, LPARAM lParam); |
| 154 | |
| 155 | #ifdef USE_ITHREADS |
| 156 | static long find_pseudo_pid(pTHX_ int pid); |
| 157 | static void remove_dead_pseudo_process(long child); |
| 158 | static HWND get_hwnd_delay(pTHX, long child, DWORD tries); |
| 159 | #endif |
| 160 | |
| 161 | #ifdef HAVE_INTERP_INTERN |
| 162 | static void win32_csighandler(int sig); |
| 163 | #endif |
| 164 | |
| 165 | START_EXTERN_C |
| 166 | HANDLE w32_perldll_handle = INVALID_HANDLE_VALUE; |
| 167 | char w32_module_name[MAX_PATH+1]; |
| 168 | #ifdef WIN32_DYN_IOINFO_SIZE |
| 169 | Size_t w32_ioinfo_size;/* avoid 0 extend op b4 mul, otherwise could be a U8 */ |
| 170 | #endif |
| 171 | END_EXTERN_C |
| 172 | |
| 173 | static OSVERSIONINFO g_osver = {0, 0, 0, 0, 0, ""}; |
| 174 | |
| 175 | #ifndef WIN32_NO_REGISTRY |
| 176 | /* initialized by Perl_win32_init/PERL_SYS_INIT */ |
| 177 | static HKEY HKCU_Perl_hnd; |
| 178 | static HKEY HKLM_Perl_hnd; |
| 179 | #endif |
| 180 | |
| 181 | #ifdef SET_INVALID_PARAMETER_HANDLER |
| 182 | static BOOL silent_invalid_parameter_handler = FALSE; |
| 183 | |
| 184 | static BOOL |
| 185 | set_silent_invalid_parameter_handler(BOOL newvalue) |
| 186 | { |
| 187 | BOOL oldvalue = silent_invalid_parameter_handler; |
| 188 | # ifdef _DEBUG |
| 189 | silent_invalid_parameter_handler = newvalue; |
| 190 | # endif |
| 191 | return oldvalue; |
| 192 | } |
| 193 | |
| 194 | static void |
| 195 | my_invalid_parameter_handler(const wchar_t* expression, |
| 196 | const wchar_t* function, |
| 197 | const wchar_t* file, |
| 198 | unsigned int line, |
| 199 | uintptr_t pReserved) |
| 200 | { |
| 201 | # ifdef _DEBUG |
| 202 | char* ansi_expression; |
| 203 | char* ansi_function; |
| 204 | char* ansi_file; |
| 205 | if (silent_invalid_parameter_handler) |
| 206 | return; |
| 207 | ansi_expression = wstr_to_str(expression); |
| 208 | ansi_function = wstr_to_str(function); |
| 209 | ansi_file = wstr_to_str(file); |
| 210 | fprintf(stderr, "Invalid parameter detected in function %s. " |
| 211 | "File: %s, line: %d\n", ansi_function, ansi_file, line); |
| 212 | fprintf(stderr, "Expression: %s\n", ansi_expression); |
| 213 | free(ansi_expression); |
| 214 | free(ansi_function); |
| 215 | free(ansi_file); |
| 216 | # endif |
| 217 | } |
| 218 | #endif |
| 219 | |
| 220 | EXTERN_C void |
| 221 | set_w32_module_name(void) |
| 222 | { |
| 223 | /* this function may be called at DLL_PROCESS_ATTACH time */ |
| 224 | char* ptr; |
| 225 | HMODULE module = (HMODULE)((w32_perldll_handle == INVALID_HANDLE_VALUE) |
| 226 | ? GetModuleHandle(NULL) |
| 227 | : w32_perldll_handle); |
| 228 | |
| 229 | WCHAR modulename[MAX_PATH]; |
| 230 | WCHAR fullname[MAX_PATH]; |
| 231 | char *ansi; |
| 232 | |
| 233 | DWORD (__stdcall *pfnGetLongPathNameW)(LPCWSTR, LPWSTR, DWORD) = |
| 234 | (DWORD (__stdcall *)(LPCWSTR, LPWSTR, DWORD)) |
| 235 | GetProcAddress(GetModuleHandle("kernel32.dll"), "GetLongPathNameW"); |
| 236 | |
| 237 | GetModuleFileNameW(module, modulename, sizeof(modulename)/sizeof(WCHAR)); |
| 238 | |
| 239 | /* Make sure we get an absolute pathname in case the module was loaded |
| 240 | * explicitly by LoadLibrary() with a relative path. */ |
| 241 | GetFullPathNameW(modulename, sizeof(fullname)/sizeof(WCHAR), fullname, NULL); |
| 242 | |
| 243 | /* Make sure we start with the long path name of the module because we |
| 244 | * later scan for pathname components to match "5.xx" to locate |
| 245 | * compatible sitelib directories, and the short pathname might mangle |
| 246 | * this path segment (e.g. by removing the dot on NTFS to something |
| 247 | * like "5xx~1.yy") */ |
| 248 | if (pfnGetLongPathNameW) |
| 249 | pfnGetLongPathNameW(fullname, fullname, sizeof(fullname)/sizeof(WCHAR)); |
| 250 | |
| 251 | /* remove \\?\ prefix */ |
| 252 | if (memcmp(fullname, L"\\\\?\\", 4*sizeof(WCHAR)) == 0) |
| 253 | memmove(fullname, fullname+4, (wcslen(fullname+4)+1)*sizeof(WCHAR)); |
| 254 | |
| 255 | ansi = win32_ansipath(fullname); |
| 256 | my_strlcpy(w32_module_name, ansi, sizeof(w32_module_name)); |
| 257 | win32_free(ansi); |
| 258 | |
| 259 | /* normalize to forward slashes */ |
| 260 | ptr = w32_module_name; |
| 261 | while (*ptr) { |
| 262 | if (*ptr == '\\') |
| 263 | *ptr = '/'; |
| 264 | ++ptr; |
| 265 | } |
| 266 | } |
| 267 | |
| 268 | #ifndef WIN32_NO_REGISTRY |
| 269 | /* *svp (if non-NULL) is expected to be POK (valid allocated SvPVX(*svp)) */ |
| 270 | static char* |
| 271 | get_regstr_from(HKEY handle, const char *valuename, SV **svp) |
| 272 | { |
| 273 | /* Retrieve a REG_SZ or REG_EXPAND_SZ from the registry */ |
| 274 | DWORD type; |
| 275 | char *str = NULL; |
| 276 | long retval; |
| 277 | DWORD datalen; |
| 278 | |
| 279 | retval = RegQueryValueEx(handle, valuename, 0, &type, NULL, &datalen); |
| 280 | if (retval == ERROR_SUCCESS |
| 281 | && (type == REG_SZ || type == REG_EXPAND_SZ)) |
| 282 | { |
| 283 | dTHX; |
| 284 | if (!*svp) |
| 285 | *svp = sv_2mortal(newSVpvs("")); |
| 286 | SvGROW(*svp, datalen); |
| 287 | retval = RegQueryValueEx(handle, valuename, 0, NULL, |
| 288 | (PBYTE)SvPVX(*svp), &datalen); |
| 289 | if (retval == ERROR_SUCCESS) { |
| 290 | str = SvPVX(*svp); |
| 291 | SvCUR_set(*svp,datalen-1); |
| 292 | } |
| 293 | } |
| 294 | return str; |
| 295 | } |
| 296 | |
| 297 | /* *svp (if non-NULL) is expected to be POK (valid allocated SvPVX(*svp)) */ |
| 298 | static char* |
| 299 | get_regstr(const char *valuename, SV **svp) |
| 300 | { |
| 301 | char *str; |
| 302 | if (HKCU_Perl_hnd) { |
| 303 | str = get_regstr_from(HKCU_Perl_hnd, valuename, svp); |
| 304 | if (!str) |
| 305 | goto try_HKLM; |
| 306 | } |
| 307 | else { |
| 308 | try_HKLM: |
| 309 | if (HKLM_Perl_hnd) |
| 310 | str = get_regstr_from(HKLM_Perl_hnd, valuename, svp); |
| 311 | else |
| 312 | str = NULL; |
| 313 | } |
| 314 | return str; |
| 315 | } |
| 316 | #endif /* ifndef WIN32_NO_REGISTRY */ |
| 317 | |
| 318 | /* *prev_pathp (if non-NULL) is expected to be POK (valid allocated SvPVX(sv)) */ |
| 319 | static char * |
| 320 | get_emd_part(SV **prev_pathp, STRLEN *const len, char *trailing_path, ...) |
| 321 | { |
| 322 | char base[10]; |
| 323 | va_list ap; |
| 324 | char mod_name[MAX_PATH+1]; |
| 325 | char *ptr; |
| 326 | char *optr; |
| 327 | char *strip; |
| 328 | STRLEN baselen; |
| 329 | |
| 330 | va_start(ap, trailing_path); |
| 331 | strip = va_arg(ap, char *); |
| 332 | |
| 333 | sprintf(base, "%d.%d", (int)PERL_REVISION, (int)PERL_VERSION); |
| 334 | baselen = strlen(base); |
| 335 | |
| 336 | if (!*w32_module_name) { |
| 337 | set_w32_module_name(); |
| 338 | } |
| 339 | strcpy(mod_name, w32_module_name); |
| 340 | ptr = strrchr(mod_name, '/'); |
| 341 | while (ptr && strip) { |
| 342 | /* look for directories to skip back */ |
| 343 | optr = ptr; |
| 344 | *ptr = '\0'; |
| 345 | ptr = strrchr(mod_name, '/'); |
| 346 | /* avoid stripping component if there is no slash, |
| 347 | * or it doesn't match ... */ |
| 348 | if (!ptr || stricmp(ptr+1, strip) != 0) { |
| 349 | /* ... but not if component matches m|5\.$patchlevel.*| */ |
| 350 | if (!ptr || !(*strip == '5' && *(ptr+1) == '5' |
| 351 | && strnEQ(strip, base, baselen) |
| 352 | && strnEQ(ptr+1, base, baselen))) |
| 353 | { |
| 354 | *optr = '/'; |
| 355 | ptr = optr; |
| 356 | } |
| 357 | } |
| 358 | strip = va_arg(ap, char *); |
| 359 | } |
| 360 | if (!ptr) { |
| 361 | ptr = mod_name; |
| 362 | *ptr++ = '.'; |
| 363 | *ptr = '/'; |
| 364 | } |
| 365 | va_end(ap); |
| 366 | strcpy(++ptr, trailing_path); |
| 367 | |
| 368 | /* only add directory if it exists */ |
| 369 | if (GetFileAttributes(mod_name) != (DWORD) -1) { |
| 370 | /* directory exists */ |
| 371 | dTHX; |
| 372 | if (!*prev_pathp) |
| 373 | *prev_pathp = sv_2mortal(newSVpvs("")); |
| 374 | else if (SvPVX(*prev_pathp)) |
| 375 | sv_catpvs(*prev_pathp, ";"); |
| 376 | sv_catpv(*prev_pathp, mod_name); |
| 377 | if(len) |
| 378 | *len = SvCUR(*prev_pathp); |
| 379 | return SvPVX(*prev_pathp); |
| 380 | } |
| 381 | |
| 382 | return NULL; |
| 383 | } |
| 384 | |
| 385 | EXTERN_C char * |
| 386 | win32_get_privlib(WIN32_NO_REGISTRY_M_(const char *pl) STRLEN *const len) |
| 387 | { |
| 388 | char *stdlib = "lib"; |
| 389 | SV *sv = NULL; |
| 390 | #ifndef WIN32_NO_REGISTRY |
| 391 | char buffer[MAX_PATH+1]; |
| 392 | |
| 393 | /* $stdlib = $HKCU{"lib-$]"} || $HKLM{"lib-$]"} || $HKCU{"lib"} || $HKLM{"lib"} || ""; */ |
| 394 | sprintf(buffer, "%s-%s", stdlib, pl); |
| 395 | if (!get_regstr(buffer, &sv)) |
| 396 | (void)get_regstr(stdlib, &sv); |
| 397 | #endif |
| 398 | |
| 399 | /* $stdlib .= ";$EMD/../../lib" */ |
| 400 | return get_emd_part(&sv, len, stdlib, ARCHNAME, "bin", NULL); |
| 401 | } |
| 402 | |
| 403 | static char * |
| 404 | win32_get_xlib(const char *pl, WIN32_NO_REGISTRY_M_(const char *xlib) |
| 405 | const char *libname, STRLEN *const len) |
| 406 | { |
| 407 | #ifndef WIN32_NO_REGISTRY |
| 408 | char regstr[40]; |
| 409 | #endif |
| 410 | char pathstr[MAX_PATH+1]; |
| 411 | SV *sv1 = NULL; |
| 412 | SV *sv2 = NULL; |
| 413 | |
| 414 | #ifndef WIN32_NO_REGISTRY |
| 415 | /* $HKCU{"$xlib-$]"} || $HKLM{"$xlib-$]"} . ---; */ |
| 416 | sprintf(regstr, "%s-%s", xlib, pl); |
| 417 | (void)get_regstr(regstr, &sv1); |
| 418 | #endif |
| 419 | |
| 420 | /* $xlib .= |
| 421 | * ";$EMD/" . ((-d $EMD/../../../$]) ? "../../.." : "../.."). "/$libname/$]/lib"; */ |
| 422 | sprintf(pathstr, "%s/%s/lib", libname, pl); |
| 423 | (void)get_emd_part(&sv1, NULL, pathstr, ARCHNAME, "bin", pl, NULL); |
| 424 | |
| 425 | #ifndef WIN32_NO_REGISTRY |
| 426 | /* $HKCU{$xlib} || $HKLM{$xlib} . ---; */ |
| 427 | (void)get_regstr(xlib, &sv2); |
| 428 | #endif |
| 429 | |
| 430 | /* $xlib .= |
| 431 | * ";$EMD/" . ((-d $EMD/../../../$]) ? "../../.." : "../.."). "/$libname/lib"; */ |
| 432 | sprintf(pathstr, "%s/lib", libname); |
| 433 | (void)get_emd_part(&sv2, NULL, pathstr, ARCHNAME, "bin", pl, NULL); |
| 434 | |
| 435 | if (!sv1 && !sv2) |
| 436 | return NULL; |
| 437 | if (!sv1) { |
| 438 | sv1 = sv2; |
| 439 | } else if (sv2) { |
| 440 | dTHX; |
| 441 | sv_catpv(sv1, ";"); |
| 442 | sv_catsv(sv1, sv2); |
| 443 | } |
| 444 | |
| 445 | if (len) |
| 446 | *len = SvCUR(sv1); |
| 447 | return SvPVX(sv1); |
| 448 | } |
| 449 | |
| 450 | EXTERN_C char * |
| 451 | win32_get_sitelib(const char *pl, STRLEN *const len) |
| 452 | { |
| 453 | return win32_get_xlib(pl, WIN32_NO_REGISTRY_M_("sitelib") "site", len); |
| 454 | } |
| 455 | |
| 456 | #ifndef PERL_VENDORLIB_NAME |
| 457 | # define PERL_VENDORLIB_NAME "vendor" |
| 458 | #endif |
| 459 | |
| 460 | EXTERN_C char * |
| 461 | win32_get_vendorlib(const char *pl, STRLEN *const len) |
| 462 | { |
| 463 | return win32_get_xlib(pl, WIN32_NO_REGISTRY_M_("vendorlib") PERL_VENDORLIB_NAME, len); |
| 464 | } |
| 465 | |
| 466 | static BOOL |
| 467 | has_shell_metachars(const char *ptr) |
| 468 | { |
| 469 | int inquote = 0; |
| 470 | char quote = '\0'; |
| 471 | |
| 472 | /* |
| 473 | * Scan string looking for redirection (< or >) or pipe |
| 474 | * characters (|) that are not in a quoted string. |
| 475 | * Shell variable interpolation (%VAR%) can also happen inside strings. |
| 476 | */ |
| 477 | while (*ptr) { |
| 478 | switch(*ptr) { |
| 479 | case '%': |
| 480 | return TRUE; |
| 481 | case '\'': |
| 482 | case '\"': |
| 483 | if (inquote) { |
| 484 | if (quote == *ptr) { |
| 485 | inquote = 0; |
| 486 | quote = '\0'; |
| 487 | } |
| 488 | } |
| 489 | else { |
| 490 | quote = *ptr; |
| 491 | inquote++; |
| 492 | } |
| 493 | break; |
| 494 | case '>': |
| 495 | case '<': |
| 496 | case '|': |
| 497 | if (!inquote) |
| 498 | return TRUE; |
| 499 | default: |
| 500 | break; |
| 501 | } |
| 502 | ++ptr; |
| 503 | } |
| 504 | return FALSE; |
| 505 | } |
| 506 | |
| 507 | #if !defined(PERL_IMPLICIT_SYS) |
| 508 | /* since the current process environment is being updated in util.c |
| 509 | * the library functions will get the correct environment |
| 510 | */ |
| 511 | PerlIO * |
| 512 | Perl_my_popen(pTHX_ const char *cmd, const char *mode) |
| 513 | { |
| 514 | PERL_FLUSHALL_FOR_CHILD; |
| 515 | return win32_popen(cmd, mode); |
| 516 | } |
| 517 | |
| 518 | long |
| 519 | Perl_my_pclose(pTHX_ PerlIO *fp) |
| 520 | { |
| 521 | return win32_pclose(fp); |
| 522 | } |
| 523 | #endif |
| 524 | |
| 525 | DllExport unsigned long |
| 526 | win32_os_id(void) |
| 527 | { |
| 528 | return (unsigned long)g_osver.dwPlatformId; |
| 529 | } |
| 530 | |
| 531 | DllExport int |
| 532 | win32_getpid(void) |
| 533 | { |
| 534 | #ifdef USE_ITHREADS |
| 535 | dTHX; |
| 536 | if (w32_pseudo_id) |
| 537 | return -((int)w32_pseudo_id); |
| 538 | #endif |
| 539 | return _getpid(); |
| 540 | } |
| 541 | |
| 542 | /* Tokenize a string. Words are null-separated, and the list |
| 543 | * ends with a doubled null. Any character (except null and |
| 544 | * including backslash) may be escaped by preceding it with a |
| 545 | * backslash (the backslash will be stripped). |
| 546 | * Returns number of words in result buffer. |
| 547 | */ |
| 548 | static long |
| 549 | tokenize(const char *str, char **dest, char ***destv) |
| 550 | { |
| 551 | char *retstart = NULL; |
| 552 | char **retvstart = 0; |
| 553 | int items = -1; |
| 554 | if (str) { |
| 555 | int slen = strlen(str); |
| 556 | char *ret; |
| 557 | char **retv; |
| 558 | Newx(ret, slen+2, char); |
| 559 | Newx(retv, (slen+3)/2, char*); |
| 560 | |
| 561 | retstart = ret; |
| 562 | retvstart = retv; |
| 563 | *retv = ret; |
| 564 | items = 0; |
| 565 | while (*str) { |
| 566 | *ret = *str++; |
| 567 | if (*ret == '\\' && *str) |
| 568 | *ret = *str++; |
| 569 | else if (*ret == ' ') { |
| 570 | while (*str == ' ') |
| 571 | str++; |
| 572 | if (ret == retstart) |
| 573 | ret--; |
| 574 | else { |
| 575 | *ret = '\0'; |
| 576 | ++items; |
| 577 | if (*str) |
| 578 | *++retv = ret+1; |
| 579 | } |
| 580 | } |
| 581 | else if (!*str) |
| 582 | ++items; |
| 583 | ret++; |
| 584 | } |
| 585 | retvstart[items] = NULL; |
| 586 | *ret++ = '\0'; |
| 587 | *ret = '\0'; |
| 588 | } |
| 589 | *dest = retstart; |
| 590 | *destv = retvstart; |
| 591 | return items; |
| 592 | } |
| 593 | |
| 594 | static void |
| 595 | get_shell(void) |
| 596 | { |
| 597 | dTHX; |
| 598 | if (!w32_perlshell_tokens) { |
| 599 | /* we don't use COMSPEC here for two reasons: |
| 600 | * 1. the same reason perl on UNIX doesn't use SHELL--rampant and |
| 601 | * uncontrolled unportability of the ensuing scripts. |
| 602 | * 2. PERL5SHELL could be set to a shell that may not be fit for |
| 603 | * interactive use (which is what most programs look in COMSPEC |
| 604 | * for). |
| 605 | */ |
| 606 | const char* defaultshell = "cmd.exe /x/d/c"; |
| 607 | const char *usershell = PerlEnv_getenv("PERL5SHELL"); |
| 608 | w32_perlshell_items = tokenize(usershell ? usershell : defaultshell, |
| 609 | &w32_perlshell_tokens, |
| 610 | &w32_perlshell_vec); |
| 611 | } |
| 612 | } |
| 613 | |
| 614 | int |
| 615 | Perl_do_aspawn(pTHX_ SV *really, SV **mark, SV **sp) |
| 616 | { |
| 617 | char **argv; |
| 618 | char *str; |
| 619 | int status; |
| 620 | int flag = P_WAIT; |
| 621 | int index = 0; |
| 622 | int eno; |
| 623 | |
| 624 | PERL_ARGS_ASSERT_DO_ASPAWN; |
| 625 | |
| 626 | if (sp <= mark) |
| 627 | return -1; |
| 628 | |
| 629 | get_shell(); |
| 630 | Newx(argv, (sp - mark) + w32_perlshell_items + 2, char*); |
| 631 | |
| 632 | if (SvNIOKp(*(mark+1)) && !SvPOKp(*(mark+1))) { |
| 633 | ++mark; |
| 634 | flag = SvIVx(*mark); |
| 635 | } |
| 636 | |
| 637 | while (++mark <= sp) { |
| 638 | if (*mark && (str = SvPV_nolen(*mark))) |
| 639 | argv[index++] = str; |
| 640 | else |
| 641 | argv[index++] = ""; |
| 642 | } |
| 643 | argv[index++] = 0; |
| 644 | |
| 645 | status = win32_spawnvp(flag, |
| 646 | (const char*)(really ? SvPV_nolen(really) : argv[0]), |
| 647 | (const char* const*)argv); |
| 648 | |
| 649 | if (status < 0 && (eno = errno, (eno == ENOEXEC || eno == ENOENT))) { |
| 650 | /* possible shell-builtin, invoke with shell */ |
| 651 | int sh_items; |
| 652 | sh_items = w32_perlshell_items; |
| 653 | while (--index >= 0) |
| 654 | argv[index+sh_items] = argv[index]; |
| 655 | while (--sh_items >= 0) |
| 656 | argv[sh_items] = w32_perlshell_vec[sh_items]; |
| 657 | |
| 658 | status = win32_spawnvp(flag, |
| 659 | (const char*)(really ? SvPV_nolen(really) : argv[0]), |
| 660 | (const char* const*)argv); |
| 661 | } |
| 662 | |
| 663 | if (flag == P_NOWAIT) { |
| 664 | PL_statusvalue = -1; /* >16bits hint for pp_system() */ |
| 665 | } |
| 666 | else { |
| 667 | if (status < 0) { |
| 668 | if (ckWARN(WARN_EXEC)) |
| 669 | Perl_warner(aTHX_ packWARN(WARN_EXEC), "Can't spawn \"%s\": %s", argv[0], strerror(errno)); |
| 670 | status = 255 * 256; |
| 671 | } |
| 672 | else |
| 673 | status *= 256; |
| 674 | PL_statusvalue = status; |
| 675 | } |
| 676 | Safefree(argv); |
| 677 | return (status); |
| 678 | } |
| 679 | |
| 680 | /* returns pointer to the next unquoted space or the end of the string */ |
| 681 | static char* |
| 682 | find_next_space(const char *s) |
| 683 | { |
| 684 | bool in_quotes = FALSE; |
| 685 | while (*s) { |
| 686 | /* ignore doubled backslashes, or backslash+quote */ |
| 687 | if (*s == '\\' && (s[1] == '\\' || s[1] == '"')) { |
| 688 | s += 2; |
| 689 | } |
| 690 | /* keep track of when we're within quotes */ |
| 691 | else if (*s == '"') { |
| 692 | s++; |
| 693 | in_quotes = !in_quotes; |
| 694 | } |
| 695 | /* break it up only at spaces that aren't in quotes */ |
| 696 | else if (!in_quotes && isSPACE(*s)) |
| 697 | return (char*)s; |
| 698 | else |
| 699 | s++; |
| 700 | } |
| 701 | return (char*)s; |
| 702 | } |
| 703 | |
| 704 | static int |
| 705 | do_spawn2(pTHX_ const char *cmd, int exectype) { |
| 706 | return do_spawn2_handles(aTHX_ cmd, exectype, NULL); |
| 707 | } |
| 708 | |
| 709 | static int |
| 710 | do_spawn2_handles(pTHX_ const char *cmd, int exectype, const int *handles) |
| 711 | { |
| 712 | char **a; |
| 713 | char *s; |
| 714 | char **argv; |
| 715 | int status = -1; |
| 716 | BOOL needToTry = TRUE; |
| 717 | char *cmd2; |
| 718 | |
| 719 | /* Save an extra exec if possible. See if there are shell |
| 720 | * metacharacters in it */ |
| 721 | if (!has_shell_metachars(cmd)) { |
| 722 | Newx(argv, strlen(cmd) / 2 + 2, char*); |
| 723 | Newx(cmd2, strlen(cmd) + 1, char); |
| 724 | strcpy(cmd2, cmd); |
| 725 | a = argv; |
| 726 | for (s = cmd2; *s;) { |
| 727 | while (*s && isSPACE(*s)) |
| 728 | s++; |
| 729 | if (*s) |
| 730 | *(a++) = s; |
| 731 | s = find_next_space(s); |
| 732 | if (*s) |
| 733 | *s++ = '\0'; |
| 734 | } |
| 735 | *a = NULL; |
| 736 | if (argv[0]) { |
| 737 | switch (exectype) { |
| 738 | case EXECF_SPAWN: |
| 739 | status = win32_spawnvp(P_WAIT, argv[0], |
| 740 | (const char* const*)argv); |
| 741 | break; |
| 742 | case EXECF_SPAWN_NOWAIT: |
| 743 | status = do_spawnvp_handles(P_NOWAIT, argv[0], |
| 744 | (const char* const*)argv, handles); |
| 745 | break; |
| 746 | case EXECF_EXEC: |
| 747 | status = win32_execvp(argv[0], (const char* const*)argv); |
| 748 | break; |
| 749 | } |
| 750 | if (status != -1 || errno == 0) |
| 751 | needToTry = FALSE; |
| 752 | } |
| 753 | Safefree(argv); |
| 754 | Safefree(cmd2); |
| 755 | } |
| 756 | if (needToTry) { |
| 757 | char **argv; |
| 758 | int i = -1; |
| 759 | get_shell(); |
| 760 | Newx(argv, w32_perlshell_items + 2, char*); |
| 761 | while (++i < w32_perlshell_items) |
| 762 | argv[i] = w32_perlshell_vec[i]; |
| 763 | argv[i++] = (char *)cmd; |
| 764 | argv[i] = NULL; |
| 765 | switch (exectype) { |
| 766 | case EXECF_SPAWN: |
| 767 | status = win32_spawnvp(P_WAIT, argv[0], |
| 768 | (const char* const*)argv); |
| 769 | break; |
| 770 | case EXECF_SPAWN_NOWAIT: |
| 771 | status = do_spawnvp_handles(P_NOWAIT, argv[0], |
| 772 | (const char* const*)argv, handles); |
| 773 | break; |
| 774 | case EXECF_EXEC: |
| 775 | status = win32_execvp(argv[0], (const char* const*)argv); |
| 776 | break; |
| 777 | } |
| 778 | cmd = argv[0]; |
| 779 | Safefree(argv); |
| 780 | } |
| 781 | if (exectype == EXECF_SPAWN_NOWAIT) { |
| 782 | PL_statusvalue = -1; /* >16bits hint for pp_system() */ |
| 783 | } |
| 784 | else { |
| 785 | if (status < 0) { |
| 786 | if (ckWARN(WARN_EXEC)) |
| 787 | Perl_warner(aTHX_ packWARN(WARN_EXEC), "Can't %s \"%s\": %s", |
| 788 | (exectype == EXECF_EXEC ? "exec" : "spawn"), |
| 789 | cmd, strerror(errno)); |
| 790 | status = 255 * 256; |
| 791 | } |
| 792 | else |
| 793 | status *= 256; |
| 794 | PL_statusvalue = status; |
| 795 | } |
| 796 | return (status); |
| 797 | } |
| 798 | |
| 799 | int |
| 800 | Perl_do_spawn(pTHX_ char *cmd) |
| 801 | { |
| 802 | PERL_ARGS_ASSERT_DO_SPAWN; |
| 803 | |
| 804 | return do_spawn2(aTHX_ cmd, EXECF_SPAWN); |
| 805 | } |
| 806 | |
| 807 | int |
| 808 | Perl_do_spawn_nowait(pTHX_ char *cmd) |
| 809 | { |
| 810 | PERL_ARGS_ASSERT_DO_SPAWN_NOWAIT; |
| 811 | |
| 812 | return do_spawn2(aTHX_ cmd, EXECF_SPAWN_NOWAIT); |
| 813 | } |
| 814 | |
| 815 | bool |
| 816 | Perl_do_exec(pTHX_ const char *cmd) |
| 817 | { |
| 818 | PERL_ARGS_ASSERT_DO_EXEC; |
| 819 | |
| 820 | do_spawn2(aTHX_ cmd, EXECF_EXEC); |
| 821 | return FALSE; |
| 822 | } |
| 823 | |
| 824 | /* The idea here is to read all the directory names into a string table |
| 825 | * (separated by nulls) and when one of the other dir functions is called |
| 826 | * return the pointer to the current file name. |
| 827 | */ |
| 828 | DllExport DIR * |
| 829 | win32_opendir(const char *filename) |
| 830 | { |
| 831 | dTHXa(NULL); |
| 832 | DIR *dirp; |
| 833 | long len; |
| 834 | long idx; |
| 835 | char scanname[MAX_PATH+3]; |
| 836 | WCHAR wscanname[sizeof(scanname)]; |
| 837 | WIN32_FIND_DATAW wFindData; |
| 838 | char buffer[MAX_PATH*2]; |
| 839 | BOOL use_default; |
| 840 | |
| 841 | len = strlen(filename); |
| 842 | if (len == 0) { |
| 843 | errno = ENOENT; |
| 844 | return NULL; |
| 845 | } |
| 846 | if (len > MAX_PATH) { |
| 847 | errno = ENAMETOOLONG; |
| 848 | return NULL; |
| 849 | } |
| 850 | |
| 851 | /* Get us a DIR structure */ |
| 852 | Newxz(dirp, 1, DIR); |
| 853 | |
| 854 | /* Create the search pattern */ |
| 855 | strcpy(scanname, filename); |
| 856 | |
| 857 | /* bare drive name means look in cwd for drive */ |
| 858 | if (len == 2 && isALPHA(scanname[0]) && scanname[1] == ':') { |
| 859 | scanname[len++] = '.'; |
| 860 | scanname[len++] = '/'; |
| 861 | } |
| 862 | else if (scanname[len-1] != '/' && scanname[len-1] != '\\') { |
| 863 | scanname[len++] = '/'; |
| 864 | } |
| 865 | scanname[len++] = '*'; |
| 866 | scanname[len] = '\0'; |
| 867 | |
| 868 | /* do the FindFirstFile call */ |
| 869 | MultiByteToWideChar(CP_ACP, 0, scanname, -1, wscanname, sizeof(wscanname)/sizeof(WCHAR)); |
| 870 | aTHXa(PERL_GET_THX); |
| 871 | dirp->handle = FindFirstFileW(PerlDir_mapW(wscanname), &wFindData); |
| 872 | |
| 873 | if (dirp->handle == INVALID_HANDLE_VALUE) { |
| 874 | DWORD err = GetLastError(); |
| 875 | /* FindFirstFile() fails on empty drives! */ |
| 876 | switch (err) { |
| 877 | case ERROR_FILE_NOT_FOUND: |
| 878 | return dirp; |
| 879 | case ERROR_NO_MORE_FILES: |
| 880 | case ERROR_PATH_NOT_FOUND: |
| 881 | errno = ENOENT; |
| 882 | break; |
| 883 | case ERROR_NOT_ENOUGH_MEMORY: |
| 884 | errno = ENOMEM; |
| 885 | break; |
| 886 | default: |
| 887 | errno = EINVAL; |
| 888 | break; |
| 889 | } |
| 890 | Safefree(dirp); |
| 891 | return NULL; |
| 892 | } |
| 893 | |
| 894 | use_default = FALSE; |
| 895 | WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS, |
| 896 | wFindData.cFileName, -1, |
| 897 | buffer, sizeof(buffer), NULL, &use_default); |
| 898 | if (use_default && *wFindData.cAlternateFileName) { |
| 899 | WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS, |
| 900 | wFindData.cAlternateFileName, -1, |
| 901 | buffer, sizeof(buffer), NULL, NULL); |
| 902 | } |
| 903 | |
| 904 | /* now allocate the first part of the string table for |
| 905 | * the filenames that we find. |
| 906 | */ |
| 907 | idx = strlen(buffer)+1; |
| 908 | if (idx < 256) |
| 909 | dirp->size = 256; |
| 910 | else |
| 911 | dirp->size = idx; |
| 912 | Newx(dirp->start, dirp->size, char); |
| 913 | strcpy(dirp->start, buffer); |
| 914 | dirp->nfiles++; |
| 915 | dirp->end = dirp->curr = dirp->start; |
| 916 | dirp->end += idx; |
| 917 | return dirp; |
| 918 | } |
| 919 | |
| 920 | |
| 921 | /* Readdir just returns the current string pointer and bumps the |
| 922 | * string pointer to the nDllExport entry. |
| 923 | */ |
| 924 | DllExport struct direct * |
| 925 | win32_readdir(DIR *dirp) |
| 926 | { |
| 927 | long len; |
| 928 | |
| 929 | if (dirp->curr) { |
| 930 | /* first set up the structure to return */ |
| 931 | len = strlen(dirp->curr); |
| 932 | strcpy(dirp->dirstr.d_name, dirp->curr); |
| 933 | dirp->dirstr.d_namlen = len; |
| 934 | |
| 935 | /* Fake an inode */ |
| 936 | dirp->dirstr.d_ino = dirp->curr - dirp->start; |
| 937 | |
| 938 | /* Now set up for the next call to readdir */ |
| 939 | dirp->curr += len + 1; |
| 940 | if (dirp->curr >= dirp->end) { |
| 941 | BOOL res; |
| 942 | char buffer[MAX_PATH*2]; |
| 943 | |
| 944 | if (dirp->handle == INVALID_HANDLE_VALUE) { |
| 945 | res = 0; |
| 946 | } |
| 947 | /* finding the next file that matches the wildcard |
| 948 | * (which should be all of them in this directory!). |
| 949 | */ |
| 950 | else { |
| 951 | WIN32_FIND_DATAW wFindData; |
| 952 | res = FindNextFileW(dirp->handle, &wFindData); |
| 953 | if (res) { |
| 954 | BOOL use_default = FALSE; |
| 955 | WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS, |
| 956 | wFindData.cFileName, -1, |
| 957 | buffer, sizeof(buffer), NULL, &use_default); |
| 958 | if (use_default && *wFindData.cAlternateFileName) { |
| 959 | WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS, |
| 960 | wFindData.cAlternateFileName, -1, |
| 961 | buffer, sizeof(buffer), NULL, NULL); |
| 962 | } |
| 963 | } |
| 964 | } |
| 965 | if (res) { |
| 966 | long endpos = dirp->end - dirp->start; |
| 967 | long newsize = endpos + strlen(buffer) + 1; |
| 968 | /* bump the string table size by enough for the |
| 969 | * new name and its null terminator */ |
| 970 | while (newsize > dirp->size) { |
| 971 | long curpos = dirp->curr - dirp->start; |
| 972 | Renew(dirp->start, dirp->size * 2, char); |
| 973 | dirp->size *= 2; |
| 974 | dirp->curr = dirp->start + curpos; |
| 975 | } |
| 976 | strcpy(dirp->start + endpos, buffer); |
| 977 | dirp->end = dirp->start + newsize; |
| 978 | dirp->nfiles++; |
| 979 | } |
| 980 | else { |
| 981 | dirp->curr = NULL; |
| 982 | if (dirp->handle != INVALID_HANDLE_VALUE) { |
| 983 | FindClose(dirp->handle); |
| 984 | dirp->handle = INVALID_HANDLE_VALUE; |
| 985 | } |
| 986 | } |
| 987 | } |
| 988 | return &(dirp->dirstr); |
| 989 | } |
| 990 | else |
| 991 | return NULL; |
| 992 | } |
| 993 | |
| 994 | /* Telldir returns the current string pointer position */ |
| 995 | DllExport long |
| 996 | win32_telldir(DIR *dirp) |
| 997 | { |
| 998 | return dirp->curr ? (dirp->curr - dirp->start) : -1; |
| 999 | } |
| 1000 | |
| 1001 | |
| 1002 | /* Seekdir moves the string pointer to a previously saved position |
| 1003 | * (returned by telldir). |
| 1004 | */ |
| 1005 | DllExport void |
| 1006 | win32_seekdir(DIR *dirp, long loc) |
| 1007 | { |
| 1008 | dirp->curr = loc == -1 ? NULL : dirp->start + loc; |
| 1009 | } |
| 1010 | |
| 1011 | /* Rewinddir resets the string pointer to the start */ |
| 1012 | DllExport void |
| 1013 | win32_rewinddir(DIR *dirp) |
| 1014 | { |
| 1015 | dirp->curr = dirp->start; |
| 1016 | } |
| 1017 | |
| 1018 | /* free the memory allocated by opendir */ |
| 1019 | DllExport int |
| 1020 | win32_closedir(DIR *dirp) |
| 1021 | { |
| 1022 | if (dirp->handle != INVALID_HANDLE_VALUE) |
| 1023 | FindClose(dirp->handle); |
| 1024 | Safefree(dirp->start); |
| 1025 | Safefree(dirp); |
| 1026 | return 1; |
| 1027 | } |
| 1028 | |
| 1029 | /* duplicate a open DIR* for interpreter cloning */ |
| 1030 | DllExport DIR * |
| 1031 | win32_dirp_dup(DIR *const dirp, CLONE_PARAMS *const param) |
| 1032 | { |
| 1033 | dVAR; |
| 1034 | PerlInterpreter *const from = param->proto_perl; |
| 1035 | PerlInterpreter *const to = (PerlInterpreter *)PERL_GET_THX; |
| 1036 | |
| 1037 | long pos; |
| 1038 | DIR *dup; |
| 1039 | |
| 1040 | /* switch back to original interpreter because win32_readdir() |
| 1041 | * might Renew(dirp->start). |
| 1042 | */ |
| 1043 | if (from != to) { |
| 1044 | PERL_SET_THX(from); |
| 1045 | } |
| 1046 | |
| 1047 | /* mark current position; read all remaining entries into the |
| 1048 | * cache, and then restore to current position. |
| 1049 | */ |
| 1050 | pos = win32_telldir(dirp); |
| 1051 | while (win32_readdir(dirp)) { |
| 1052 | /* read all entries into cache */ |
| 1053 | } |
| 1054 | win32_seekdir(dirp, pos); |
| 1055 | |
| 1056 | /* switch back to new interpreter to allocate new DIR structure */ |
| 1057 | if (from != to) { |
| 1058 | PERL_SET_THX(to); |
| 1059 | } |
| 1060 | |
| 1061 | Newx(dup, 1, DIR); |
| 1062 | memcpy(dup, dirp, sizeof(DIR)); |
| 1063 | |
| 1064 | Newx(dup->start, dirp->size, char); |
| 1065 | memcpy(dup->start, dirp->start, dirp->size); |
| 1066 | |
| 1067 | dup->end = dup->start + (dirp->end - dirp->start); |
| 1068 | if (dirp->curr) |
| 1069 | dup->curr = dup->start + (dirp->curr - dirp->start); |
| 1070 | |
| 1071 | return dup; |
| 1072 | } |
| 1073 | |
| 1074 | /* |
| 1075 | * various stubs |
| 1076 | */ |
| 1077 | |
| 1078 | |
| 1079 | /* Ownership |
| 1080 | * |
| 1081 | * Just pretend that everyone is a superuser. NT will let us know if |
| 1082 | * we don\'t really have permission to do something. |
| 1083 | */ |
| 1084 | |
| 1085 | #define ROOT_UID ((uid_t)0) |
| 1086 | #define ROOT_GID ((gid_t)0) |
| 1087 | |
| 1088 | uid_t |
| 1089 | getuid(void) |
| 1090 | { |
| 1091 | return ROOT_UID; |
| 1092 | } |
| 1093 | |
| 1094 | uid_t |
| 1095 | geteuid(void) |
| 1096 | { |
| 1097 | return ROOT_UID; |
| 1098 | } |
| 1099 | |
| 1100 | gid_t |
| 1101 | getgid(void) |
| 1102 | { |
| 1103 | return ROOT_GID; |
| 1104 | } |
| 1105 | |
| 1106 | gid_t |
| 1107 | getegid(void) |
| 1108 | { |
| 1109 | return ROOT_GID; |
| 1110 | } |
| 1111 | |
| 1112 | int |
| 1113 | setuid(uid_t auid) |
| 1114 | { |
| 1115 | return (auid == ROOT_UID ? 0 : -1); |
| 1116 | } |
| 1117 | |
| 1118 | int |
| 1119 | setgid(gid_t agid) |
| 1120 | { |
| 1121 | return (agid == ROOT_GID ? 0 : -1); |
| 1122 | } |
| 1123 | |
| 1124 | EXTERN_C char * |
| 1125 | getlogin(void) |
| 1126 | { |
| 1127 | dTHX; |
| 1128 | char *buf = w32_getlogin_buffer; |
| 1129 | DWORD size = sizeof(w32_getlogin_buffer); |
| 1130 | if (GetUserName(buf,&size)) |
| 1131 | return buf; |
| 1132 | return (char*)NULL; |
| 1133 | } |
| 1134 | |
| 1135 | int |
| 1136 | chown(const char *path, uid_t owner, gid_t group) |
| 1137 | { |
| 1138 | /* XXX noop */ |
| 1139 | return 0; |
| 1140 | } |
| 1141 | |
| 1142 | /* |
| 1143 | * XXX this needs strengthening (for PerlIO) |
| 1144 | * -- BKS, 11-11-200 |
| 1145 | */ |
| 1146 | #if !defined(__MINGW64_VERSION_MAJOR) || __MINGW64_VERSION_MAJOR < 4 |
| 1147 | int mkstemp(const char *path) |
| 1148 | { |
| 1149 | dTHX; |
| 1150 | char buf[MAX_PATH+1]; |
| 1151 | int i = 0, fd = -1; |
| 1152 | |
| 1153 | retry: |
| 1154 | if (i++ > 10) { /* give up */ |
| 1155 | errno = ENOENT; |
| 1156 | return -1; |
| 1157 | } |
| 1158 | if (!GetTempFileNameA((LPCSTR)path, "plr", 1, buf)) { |
| 1159 | errno = ENOENT; |
| 1160 | return -1; |
| 1161 | } |
| 1162 | fd = PerlLIO_open3(buf, O_CREAT|O_RDWR|O_EXCL, 0600); |
| 1163 | if (fd == -1) |
| 1164 | goto retry; |
| 1165 | return fd; |
| 1166 | } |
| 1167 | #endif |
| 1168 | |
| 1169 | static long |
| 1170 | find_pid(pTHX_ int pid) |
| 1171 | { |
| 1172 | long child = w32_num_children; |
| 1173 | while (--child >= 0) { |
| 1174 | if ((int)w32_child_pids[child] == pid) |
| 1175 | return child; |
| 1176 | } |
| 1177 | return -1; |
| 1178 | } |
| 1179 | |
| 1180 | static void |
| 1181 | remove_dead_process(long child) |
| 1182 | { |
| 1183 | if (child >= 0) { |
| 1184 | dTHX; |
| 1185 | CloseHandle(w32_child_handles[child]); |
| 1186 | Move(&w32_child_handles[child+1], &w32_child_handles[child], |
| 1187 | (w32_num_children-child-1), HANDLE); |
| 1188 | Move(&w32_child_pids[child+1], &w32_child_pids[child], |
| 1189 | (w32_num_children-child-1), DWORD); |
| 1190 | w32_num_children--; |
| 1191 | } |
| 1192 | } |
| 1193 | |
| 1194 | #ifdef USE_ITHREADS |
| 1195 | static long |
| 1196 | find_pseudo_pid(pTHX_ int pid) |
| 1197 | { |
| 1198 | long child = w32_num_pseudo_children; |
| 1199 | while (--child >= 0) { |
| 1200 | if ((int)w32_pseudo_child_pids[child] == pid) |
| 1201 | return child; |
| 1202 | } |
| 1203 | return -1; |
| 1204 | } |
| 1205 | |
| 1206 | static void |
| 1207 | remove_dead_pseudo_process(long child) |
| 1208 | { |
| 1209 | if (child >= 0) { |
| 1210 | dTHX; |
| 1211 | CloseHandle(w32_pseudo_child_handles[child]); |
| 1212 | Move(&w32_pseudo_child_handles[child+1], &w32_pseudo_child_handles[child], |
| 1213 | (w32_num_pseudo_children-child-1), HANDLE); |
| 1214 | Move(&w32_pseudo_child_pids[child+1], &w32_pseudo_child_pids[child], |
| 1215 | (w32_num_pseudo_children-child-1), DWORD); |
| 1216 | Move(&w32_pseudo_child_message_hwnds[child+1], &w32_pseudo_child_message_hwnds[child], |
| 1217 | (w32_num_pseudo_children-child-1), HWND); |
| 1218 | Move(&w32_pseudo_child_sigterm[child+1], &w32_pseudo_child_sigterm[child], |
| 1219 | (w32_num_pseudo_children-child-1), char); |
| 1220 | w32_num_pseudo_children--; |
| 1221 | } |
| 1222 | } |
| 1223 | |
| 1224 | void |
| 1225 | win32_wait_for_children(pTHX) |
| 1226 | { |
| 1227 | if (w32_pseudo_children && w32_num_pseudo_children) { |
| 1228 | long child = 0; |
| 1229 | long count = 0; |
| 1230 | HANDLE handles[MAXIMUM_WAIT_OBJECTS]; |
| 1231 | |
| 1232 | for (child = 0; child < w32_num_pseudo_children; ++child) { |
| 1233 | if (!w32_pseudo_child_sigterm[child]) |
| 1234 | handles[count++] = w32_pseudo_child_handles[child]; |
| 1235 | } |
| 1236 | /* XXX should use MsgWaitForMultipleObjects() to continue |
| 1237 | * XXX processing messages while we wait. |
| 1238 | */ |
| 1239 | WaitForMultipleObjects(count, handles, TRUE, INFINITE); |
| 1240 | |
| 1241 | while (w32_num_pseudo_children) |
| 1242 | CloseHandle(w32_pseudo_child_handles[--w32_num_pseudo_children]); |
| 1243 | } |
| 1244 | } |
| 1245 | #endif |
| 1246 | |
| 1247 | static int |
| 1248 | terminate_process(DWORD pid, HANDLE process_handle, int sig) |
| 1249 | { |
| 1250 | switch(sig) { |
| 1251 | case 0: |
| 1252 | /* "Does process exist?" use of kill */ |
| 1253 | return 1; |
| 1254 | case 2: |
| 1255 | if (GenerateConsoleCtrlEvent(CTRL_C_EVENT, pid)) |
| 1256 | return 1; |
| 1257 | break; |
| 1258 | case SIGBREAK: |
| 1259 | case SIGTERM: |
| 1260 | if (GenerateConsoleCtrlEvent(CTRL_BREAK_EVENT, pid)) |
| 1261 | return 1; |
| 1262 | break; |
| 1263 | default: /* For now be backwards compatible with perl 5.6 */ |
| 1264 | case 9: |
| 1265 | /* Note that we will only be able to kill processes owned by the |
| 1266 | * current process owner, even when we are running as an administrator. |
| 1267 | * To kill processes of other owners we would need to set the |
| 1268 | * 'SeDebugPrivilege' privilege before obtaining the process handle. |
| 1269 | */ |
| 1270 | if (TerminateProcess(process_handle, sig)) |
| 1271 | return 1; |
| 1272 | break; |
| 1273 | } |
| 1274 | return 0; |
| 1275 | } |
| 1276 | |
| 1277 | /* returns number of processes killed */ |
| 1278 | static int |
| 1279 | my_killpg(int pid, int sig) |
| 1280 | { |
| 1281 | HANDLE process_handle; |
| 1282 | HANDLE snapshot_handle; |
| 1283 | int killed = 0; |
| 1284 | |
| 1285 | process_handle = OpenProcess(PROCESS_TERMINATE, FALSE, pid); |
| 1286 | if (process_handle == NULL) |
| 1287 | return 0; |
| 1288 | |
| 1289 | killed += terminate_process(pid, process_handle, sig); |
| 1290 | |
| 1291 | snapshot_handle = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0); |
| 1292 | if (snapshot_handle != INVALID_HANDLE_VALUE) { |
| 1293 | PROCESSENTRY32 entry; |
| 1294 | |
| 1295 | entry.dwSize = sizeof(entry); |
| 1296 | if (Process32First(snapshot_handle, &entry)) { |
| 1297 | do { |
| 1298 | if (entry.th32ParentProcessID == (DWORD)pid) |
| 1299 | killed += my_killpg(entry.th32ProcessID, sig); |
| 1300 | entry.dwSize = sizeof(entry); |
| 1301 | } |
| 1302 | while (Process32Next(snapshot_handle, &entry)); |
| 1303 | } |
| 1304 | CloseHandle(snapshot_handle); |
| 1305 | } |
| 1306 | CloseHandle(process_handle); |
| 1307 | return killed; |
| 1308 | } |
| 1309 | |
| 1310 | /* returns number of processes killed */ |
| 1311 | static int |
| 1312 | my_kill(int pid, int sig) |
| 1313 | { |
| 1314 | int retval = 0; |
| 1315 | HANDLE process_handle; |
| 1316 | |
| 1317 | if (sig < 0) |
| 1318 | return my_killpg(pid, -sig); |
| 1319 | |
| 1320 | process_handle = OpenProcess(PROCESS_TERMINATE, FALSE, pid); |
| 1321 | /* OpenProcess() returns NULL on error, *not* INVALID_HANDLE_VALUE */ |
| 1322 | if (process_handle != NULL) { |
| 1323 | retval = terminate_process(pid, process_handle, sig); |
| 1324 | CloseHandle(process_handle); |
| 1325 | } |
| 1326 | return retval; |
| 1327 | } |
| 1328 | |
| 1329 | #ifdef USE_ITHREADS |
| 1330 | /* Get a child pseudo-process HWND, with retrying and delaying/yielding. |
| 1331 | * The "tries" parameter is the number of retries to make, with a Sleep(1) |
| 1332 | * (waiting and yielding the time slot) between each try. Specifying 0 causes |
| 1333 | * only Sleep(0) (no waiting and potentially no yielding) to be used, so is not |
| 1334 | * recommended |
| 1335 | * Returns an hwnd != INVALID_HANDLE_VALUE (so be aware that NULL can be |
| 1336 | * returned) or croaks if the child pseudo-process doesn't schedule and deliver |
| 1337 | * a HWND in the time period allowed. |
| 1338 | */ |
| 1339 | static HWND |
| 1340 | get_hwnd_delay(pTHX, long child, DWORD tries) |
| 1341 | { |
| 1342 | HWND hwnd = w32_pseudo_child_message_hwnds[child]; |
| 1343 | if (hwnd != INVALID_HANDLE_VALUE) return hwnd; |
| 1344 | |
| 1345 | /* Pseudo-process has not yet properly initialized since hwnd isn't set. |
| 1346 | * Fast sleep: On some NT kernels/systems, a Sleep(0) won't deschedule a |
| 1347 | * thread 100% of the time since threads are attached to a CPU for NUMA and |
| 1348 | * caching reasons, and the child thread was attached to a different CPU |
| 1349 | * therefore there is no workload on that CPU and Sleep(0) returns control |
| 1350 | * without yielding the time slot. |
| 1351 | * https://rt.perl.org/rt3/Ticket/Display.html?id=88840 |
| 1352 | */ |
| 1353 | Sleep(0); |
| 1354 | win32_async_check(aTHX); |
| 1355 | hwnd = w32_pseudo_child_message_hwnds[child]; |
| 1356 | if (hwnd != INVALID_HANDLE_VALUE) return hwnd; |
| 1357 | |
| 1358 | { |
| 1359 | unsigned int count = 0; |
| 1360 | /* No Sleep(1) if tries==0, just fail instead if we get this far. */ |
| 1361 | while (count++ < tries) { |
| 1362 | Sleep(1); |
| 1363 | win32_async_check(aTHX); |
| 1364 | hwnd = w32_pseudo_child_message_hwnds[child]; |
| 1365 | if (hwnd != INVALID_HANDLE_VALUE) return hwnd; |
| 1366 | } |
| 1367 | } |
| 1368 | |
| 1369 | Perl_croak(aTHX_ "panic: child pseudo-process was never scheduled"); |
| 1370 | } |
| 1371 | #endif |
| 1372 | |
| 1373 | DllExport int |
| 1374 | win32_kill(int pid, int sig) |
| 1375 | { |
| 1376 | dTHX; |
| 1377 | long child; |
| 1378 | #ifdef USE_ITHREADS |
| 1379 | if (pid < 0) { |
| 1380 | /* it is a pseudo-forked child */ |
| 1381 | child = find_pseudo_pid(aTHX_ -pid); |
| 1382 | if (child >= 0) { |
| 1383 | HANDLE hProcess = w32_pseudo_child_handles[child]; |
| 1384 | switch (sig) { |
| 1385 | case 0: |
| 1386 | /* "Does process exist?" use of kill */ |
| 1387 | return 0; |
| 1388 | |
| 1389 | case 9: { |
| 1390 | /* kill -9 style un-graceful exit */ |
| 1391 | /* Do a wait to make sure child starts and isn't in DLL |
| 1392 | * Loader Lock */ |
| 1393 | HWND hwnd = get_hwnd_delay(aTHX, child, 5); |
| 1394 | if (TerminateThread(hProcess, sig)) { |
| 1395 | /* Allow the scheduler to finish cleaning up the other |
| 1396 | * thread. |
| 1397 | * Otherwise, if we ExitProcess() before another context |
| 1398 | * switch happens we will end up with a process exit |
| 1399 | * code of "sig" instead of our own exit status. |
| 1400 | * https://rt.cpan.org/Ticket/Display.html?id=66016#txn-908976 |
| 1401 | */ |
| 1402 | Sleep(0); |
| 1403 | remove_dead_pseudo_process(child); |
| 1404 | return 0; |
| 1405 | } |
| 1406 | break; |
| 1407 | } |
| 1408 | |
| 1409 | default: { |
| 1410 | HWND hwnd = get_hwnd_delay(aTHX, child, 5); |
| 1411 | /* We fake signals to pseudo-processes using Win32 |
| 1412 | * message queue. */ |
| 1413 | if ((hwnd != NULL && PostMessage(hwnd, WM_USER_KILL, sig, 0)) || |
| 1414 | PostThreadMessage(-pid, WM_USER_KILL, sig, 0)) |
| 1415 | { |
| 1416 | /* Don't wait for child process to terminate after we send a |
| 1417 | * SIGTERM because the child may be blocked in a system call |
| 1418 | * and never receive the signal. |
| 1419 | */ |
| 1420 | if (sig == SIGTERM) { |
| 1421 | Sleep(0); |
| 1422 | w32_pseudo_child_sigterm[child] = 1; |
| 1423 | } |
| 1424 | /* It might be us ... */ |
| 1425 | PERL_ASYNC_CHECK(); |
| 1426 | return 0; |
| 1427 | } |
| 1428 | break; |
| 1429 | } |
| 1430 | } /* switch */ |
| 1431 | } |
| 1432 | } |
| 1433 | else |
| 1434 | #endif |
| 1435 | { |
| 1436 | child = find_pid(aTHX_ pid); |
| 1437 | if (child >= 0) { |
| 1438 | if (my_kill(pid, sig)) { |
| 1439 | DWORD exitcode = 0; |
| 1440 | if (GetExitCodeProcess(w32_child_handles[child], &exitcode) && |
| 1441 | exitcode != STILL_ACTIVE) |
| 1442 | { |
| 1443 | remove_dead_process(child); |
| 1444 | } |
| 1445 | return 0; |
| 1446 | } |
| 1447 | } |
| 1448 | else { |
| 1449 | if (my_kill(pid, sig)) |
| 1450 | return 0; |
| 1451 | } |
| 1452 | } |
| 1453 | errno = EINVAL; |
| 1454 | return -1; |
| 1455 | } |
| 1456 | |
| 1457 | DllExport int |
| 1458 | win32_stat(const char *path, Stat_t *sbuf) |
| 1459 | { |
| 1460 | char buffer[MAX_PATH+1]; |
| 1461 | int l = strlen(path); |
| 1462 | dTHX; |
| 1463 | int res; |
| 1464 | int nlink = 1; |
| 1465 | BOOL expect_dir = FALSE; |
| 1466 | |
| 1467 | if (l > 1) { |
| 1468 | switch(path[l - 1]) { |
| 1469 | /* FindFirstFile() and stat() are buggy with a trailing |
| 1470 | * slashes, except for the root directory of a drive */ |
| 1471 | case '\\': |
| 1472 | case '/': |
| 1473 | if (l > sizeof(buffer)) { |
| 1474 | errno = ENAMETOOLONG; |
| 1475 | return -1; |
| 1476 | } |
| 1477 | --l; |
| 1478 | strncpy(buffer, path, l); |
| 1479 | /* remove additional trailing slashes */ |
| 1480 | while (l > 1 && (buffer[l-1] == '/' || buffer[l-1] == '\\')) |
| 1481 | --l; |
| 1482 | /* add back slash if we otherwise end up with just a drive letter */ |
| 1483 | if (l == 2 && isALPHA(buffer[0]) && buffer[1] == ':') |
| 1484 | buffer[l++] = '\\'; |
| 1485 | buffer[l] = '\0'; |
| 1486 | path = buffer; |
| 1487 | expect_dir = TRUE; |
| 1488 | break; |
| 1489 | |
| 1490 | /* FindFirstFile() is buggy with "x:", so add a dot :-( */ |
| 1491 | case ':': |
| 1492 | if (l == 2 && isALPHA(path[0])) { |
| 1493 | buffer[0] = path[0]; |
| 1494 | buffer[1] = ':'; |
| 1495 | buffer[2] = '.'; |
| 1496 | buffer[3] = '\0'; |
| 1497 | l = 3; |
| 1498 | path = buffer; |
| 1499 | } |
| 1500 | break; |
| 1501 | } |
| 1502 | } |
| 1503 | |
| 1504 | path = PerlDir_mapA(path); |
| 1505 | l = strlen(path); |
| 1506 | |
| 1507 | if (!w32_sloppystat) { |
| 1508 | /* We must open & close the file once; otherwise file attribute changes */ |
| 1509 | /* might not yet have propagated to "other" hard links of the same file. */ |
| 1510 | /* This also gives us an opportunity to determine the number of links. */ |
| 1511 | HANDLE handle = CreateFileA(path, 0, 0, NULL, OPEN_EXISTING, 0, NULL); |
| 1512 | if (handle != INVALID_HANDLE_VALUE) { |
| 1513 | BY_HANDLE_FILE_INFORMATION bhi; |
| 1514 | if (GetFileInformationByHandle(handle, &bhi)) |
| 1515 | nlink = bhi.nNumberOfLinks; |
| 1516 | CloseHandle(handle); |
| 1517 | } |
| 1518 | else { |
| 1519 | DWORD err = GetLastError(); |
| 1520 | /* very common case, skip CRT stat and its also failing syscalls */ |
| 1521 | if(err == ERROR_FILE_NOT_FOUND) { |
| 1522 | errno = ENOENT; |
| 1523 | return -1; |
| 1524 | } |
| 1525 | } |
| 1526 | } |
| 1527 | |
| 1528 | /* path will be mapped correctly above */ |
| 1529 | #if defined(WIN64) || defined(USE_LARGE_FILES) |
| 1530 | res = _stati64(path, sbuf); |
| 1531 | #else |
| 1532 | res = stat(path, sbuf); |
| 1533 | #endif |
| 1534 | sbuf->st_nlink = nlink; |
| 1535 | |
| 1536 | if (res < 0) { |
| 1537 | /* CRT is buggy on sharenames, so make sure it really isn't. |
| 1538 | * XXX using GetFileAttributesEx() will enable us to set |
| 1539 | * sbuf->st_*time (but note that's not available on the |
| 1540 | * Windows of 1995) */ |
| 1541 | DWORD r = GetFileAttributesA(path); |
| 1542 | if (r != 0xffffffff && (r & FILE_ATTRIBUTE_DIRECTORY)) { |
| 1543 | /* sbuf may still contain old garbage since stat() failed */ |
| 1544 | Zero(sbuf, 1, Stat_t); |
| 1545 | sbuf->st_mode = S_IFDIR | S_IREAD; |
| 1546 | errno = 0; |
| 1547 | if (!(r & FILE_ATTRIBUTE_READONLY)) |
| 1548 | sbuf->st_mode |= S_IWRITE | S_IEXEC; |
| 1549 | return 0; |
| 1550 | } |
| 1551 | } |
| 1552 | else { |
| 1553 | if (l == 3 && isALPHA(path[0]) && path[1] == ':' |
| 1554 | && (path[2] == '\\' || path[2] == '/')) |
| 1555 | { |
| 1556 | /* The drive can be inaccessible, some _stat()s are buggy */ |
| 1557 | if (!GetVolumeInformationA(path,NULL,0,NULL,NULL,NULL,NULL,0)) { |
| 1558 | errno = ENOENT; |
| 1559 | return -1; |
| 1560 | } |
| 1561 | } |
| 1562 | if (expect_dir && !S_ISDIR(sbuf->st_mode)) { |
| 1563 | errno = ENOTDIR; |
| 1564 | return -1; |
| 1565 | } |
| 1566 | if (S_ISDIR(sbuf->st_mode)) { |
| 1567 | /* Ensure the "write" bit is switched off in the mode for |
| 1568 | * directories with the read-only attribute set. Some compilers |
| 1569 | * switch it on for directories, which is technically correct |
| 1570 | * (directories are indeed always writable unless denied by DACLs), |
| 1571 | * but we want stat() and -w to reflect the state of the read-only |
| 1572 | * attribute for symmetry with chmod(). */ |
| 1573 | DWORD r = GetFileAttributesA(path); |
| 1574 | if (r != 0xffffffff && (r & FILE_ATTRIBUTE_READONLY)) { |
| 1575 | sbuf->st_mode &= ~S_IWRITE; |
| 1576 | } |
| 1577 | } |
| 1578 | } |
| 1579 | return res; |
| 1580 | } |
| 1581 | |
| 1582 | #define isSLASH(c) ((c) == '/' || (c) == '\\') |
| 1583 | #define SKIP_SLASHES(s) \ |
| 1584 | STMT_START { \ |
| 1585 | while (*(s) && isSLASH(*(s))) \ |
| 1586 | ++(s); \ |
| 1587 | } STMT_END |
| 1588 | #define COPY_NONSLASHES(d,s) \ |
| 1589 | STMT_START { \ |
| 1590 | while (*(s) && !isSLASH(*(s))) \ |
| 1591 | *(d)++ = *(s)++; \ |
| 1592 | } STMT_END |
| 1593 | |
| 1594 | /* Find the longname of a given path. path is destructively modified. |
| 1595 | * It should have space for at least MAX_PATH characters. */ |
| 1596 | DllExport char * |
| 1597 | win32_longpath(char *path) |
| 1598 | { |
| 1599 | WIN32_FIND_DATA fdata; |
| 1600 | HANDLE fhand; |
| 1601 | char tmpbuf[MAX_PATH+1]; |
| 1602 | char *tmpstart = tmpbuf; |
| 1603 | char *start = path; |
| 1604 | char sep; |
| 1605 | if (!path) |
| 1606 | return NULL; |
| 1607 | |
| 1608 | /* drive prefix */ |
| 1609 | if (isALPHA(path[0]) && path[1] == ':') { |
| 1610 | start = path + 2; |
| 1611 | *tmpstart++ = path[0]; |
| 1612 | *tmpstart++ = ':'; |
| 1613 | } |
| 1614 | /* UNC prefix */ |
| 1615 | else if (isSLASH(path[0]) && isSLASH(path[1])) { |
| 1616 | start = path + 2; |
| 1617 | *tmpstart++ = path[0]; |
| 1618 | *tmpstart++ = path[1]; |
| 1619 | SKIP_SLASHES(start); |
| 1620 | COPY_NONSLASHES(tmpstart,start); /* copy machine name */ |
| 1621 | if (*start) { |
| 1622 | *tmpstart++ = *start++; |
| 1623 | SKIP_SLASHES(start); |
| 1624 | COPY_NONSLASHES(tmpstart,start); /* copy share name */ |
| 1625 | } |
| 1626 | } |
| 1627 | *tmpstart = '\0'; |
| 1628 | while (*start) { |
| 1629 | /* copy initial slash, if any */ |
| 1630 | if (isSLASH(*start)) { |
| 1631 | *tmpstart++ = *start++; |
| 1632 | *tmpstart = '\0'; |
| 1633 | SKIP_SLASHES(start); |
| 1634 | } |
| 1635 | |
| 1636 | /* FindFirstFile() expands "." and "..", so we need to pass |
| 1637 | * those through unmolested */ |
| 1638 | if (*start == '.' |
| 1639 | && (!start[1] || isSLASH(start[1]) |
| 1640 | || (start[1] == '.' && (!start[2] || isSLASH(start[2]))))) |
| 1641 | { |
| 1642 | COPY_NONSLASHES(tmpstart,start); /* copy "." or ".." */ |
| 1643 | *tmpstart = '\0'; |
| 1644 | continue; |
| 1645 | } |
| 1646 | |
| 1647 | /* if this is the end, bust outta here */ |
| 1648 | if (!*start) |
| 1649 | break; |
| 1650 | |
| 1651 | /* now we're at a non-slash; walk up to next slash */ |
| 1652 | while (*start && !isSLASH(*start)) |
| 1653 | ++start; |
| 1654 | |
| 1655 | /* stop and find full name of component */ |
| 1656 | sep = *start; |
| 1657 | *start = '\0'; |
| 1658 | fhand = FindFirstFile(path,&fdata); |
| 1659 | *start = sep; |
| 1660 | if (fhand != INVALID_HANDLE_VALUE) { |
| 1661 | STRLEN len = strlen(fdata.cFileName); |
| 1662 | if ((STRLEN)(tmpbuf + sizeof(tmpbuf) - tmpstart) > len) { |
| 1663 | strcpy(tmpstart, fdata.cFileName); |
| 1664 | tmpstart += len; |
| 1665 | FindClose(fhand); |
| 1666 | } |
| 1667 | else { |
| 1668 | FindClose(fhand); |
| 1669 | errno = ERANGE; |
| 1670 | return NULL; |
| 1671 | } |
| 1672 | } |
| 1673 | else { |
| 1674 | /* failed a step, just return without side effects */ |
| 1675 | /*PerlIO_printf(Perl_debug_log, "Failed to find %s\n", path);*/ |
| 1676 | errno = EINVAL; |
| 1677 | return NULL; |
| 1678 | } |
| 1679 | } |
| 1680 | strcpy(path,tmpbuf); |
| 1681 | return path; |
| 1682 | } |
| 1683 | |
| 1684 | static void |
| 1685 | out_of_memory(void) |
| 1686 | { |
| 1687 | if (PL_curinterp) |
| 1688 | croak_no_mem(); |
| 1689 | exit(1); |
| 1690 | } |
| 1691 | |
| 1692 | void |
| 1693 | win32_croak_not_implemented(const char * fname) |
| 1694 | { |
| 1695 | PERL_ARGS_ASSERT_WIN32_CROAK_NOT_IMPLEMENTED; |
| 1696 | |
| 1697 | Perl_croak_nocontext("%s not implemented!\n", fname); |
| 1698 | } |
| 1699 | |
| 1700 | /* Converts a wide character (UTF-16) string to the Windows ANSI code page, |
| 1701 | * potentially using the system's default replacement character for any |
| 1702 | * unrepresentable characters. The caller must free() the returned string. */ |
| 1703 | static char* |
| 1704 | wstr_to_str(const wchar_t* wstr) |
| 1705 | { |
| 1706 | BOOL used_default = FALSE; |
| 1707 | size_t wlen = wcslen(wstr) + 1; |
| 1708 | int len = WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS, wstr, wlen, |
| 1709 | NULL, 0, NULL, NULL); |
| 1710 | char* str = (char*)malloc(len); |
| 1711 | if (!str) |
| 1712 | out_of_memory(); |
| 1713 | WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS, wstr, wlen, |
| 1714 | str, len, NULL, &used_default); |
| 1715 | return str; |
| 1716 | } |
| 1717 | |
| 1718 | /* The win32_ansipath() function takes a Unicode filename and converts it |
| 1719 | * into the current Windows codepage. If some characters cannot be mapped, |
| 1720 | * then it will convert the short name instead. |
| 1721 | * |
| 1722 | * The buffer to the ansi pathname must be freed with win32_free() when it |
| 1723 | * it no longer needed. |
| 1724 | * |
| 1725 | * The argument to win32_ansipath() must exist before this function is |
| 1726 | * called; otherwise there is no way to determine the short path name. |
| 1727 | * |
| 1728 | * Ideas for future refinement: |
| 1729 | * - Only convert those segments of the path that are not in the current |
| 1730 | * codepage, but leave the other segments in their long form. |
| 1731 | * - If the resulting name is longer than MAX_PATH, start converting |
| 1732 | * additional path segments into short names until the full name |
| 1733 | * is shorter than MAX_PATH. Shorten the filename part last! |
| 1734 | */ |
| 1735 | DllExport char * |
| 1736 | win32_ansipath(const WCHAR *widename) |
| 1737 | { |
| 1738 | char *name; |
| 1739 | BOOL use_default = FALSE; |
| 1740 | size_t widelen = wcslen(widename)+1; |
| 1741 | int len = WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS, widename, widelen, |
| 1742 | NULL, 0, NULL, NULL); |
| 1743 | name = (char*)win32_malloc(len); |
| 1744 | if (!name) |
| 1745 | out_of_memory(); |
| 1746 | |
| 1747 | WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS, widename, widelen, |
| 1748 | name, len, NULL, &use_default); |
| 1749 | if (use_default) { |
| 1750 | DWORD shortlen = GetShortPathNameW(widename, NULL, 0); |
| 1751 | if (shortlen) { |
| 1752 | WCHAR *shortname = (WCHAR*)win32_malloc(shortlen*sizeof(WCHAR)); |
| 1753 | if (!shortname) |
| 1754 | out_of_memory(); |
| 1755 | shortlen = GetShortPathNameW(widename, shortname, shortlen)+1; |
| 1756 | |
| 1757 | len = WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS, shortname, shortlen, |
| 1758 | NULL, 0, NULL, NULL); |
| 1759 | name = (char*)win32_realloc(name, len); |
| 1760 | if (!name) |
| 1761 | out_of_memory(); |
| 1762 | WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS, shortname, shortlen, |
| 1763 | name, len, NULL, NULL); |
| 1764 | win32_free(shortname); |
| 1765 | } |
| 1766 | } |
| 1767 | return name; |
| 1768 | } |
| 1769 | |
| 1770 | /* the returned string must be freed with win32_freeenvironmentstrings which is |
| 1771 | * implemented as a macro |
| 1772 | * void win32_freeenvironmentstrings(void* block) |
| 1773 | */ |
| 1774 | DllExport char * |
| 1775 | win32_getenvironmentstrings(void) |
| 1776 | { |
| 1777 | LPWSTR lpWStr, lpWTmp; |
| 1778 | LPSTR lpStr, lpTmp; |
| 1779 | DWORD env_len, wenvstrings_len = 0, aenvstrings_len = 0; |
| 1780 | |
| 1781 | /* Get the process environment strings */ |
| 1782 | lpWTmp = lpWStr = (LPWSTR) GetEnvironmentStringsW(); |
| 1783 | for (wenvstrings_len = 1; *lpWTmp != '\0'; lpWTmp += env_len + 1) { |
| 1784 | env_len = wcslen(lpWTmp); |
| 1785 | /* calculate the size of the environment strings */ |
| 1786 | wenvstrings_len += env_len + 1; |
| 1787 | } |
| 1788 | |
| 1789 | /* Get the number of bytes required to store the ACP encoded string */ |
| 1790 | aenvstrings_len = WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS, |
| 1791 | lpWStr, wenvstrings_len, NULL, 0, NULL, NULL); |
| 1792 | lpTmp = lpStr = (char *)win32_calloc(aenvstrings_len, sizeof(char)); |
| 1793 | if(!lpTmp) |
| 1794 | out_of_memory(); |
| 1795 | |
| 1796 | /* Convert the string from UTF-16 encoding to ACP encoding */ |
| 1797 | WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS, lpWStr, wenvstrings_len, lpStr, |
| 1798 | aenvstrings_len, NULL, NULL); |
| 1799 | |
| 1800 | FreeEnvironmentStringsW(lpWStr); |
| 1801 | |
| 1802 | return(lpStr); |
| 1803 | } |
| 1804 | |
| 1805 | DllExport char * |
| 1806 | win32_getenv(const char *name) |
| 1807 | { |
| 1808 | dTHX; |
| 1809 | DWORD needlen; |
| 1810 | SV *curitem = NULL; |
| 1811 | DWORD last_err; |
| 1812 | |
| 1813 | needlen = GetEnvironmentVariableA(name,NULL,0); |
| 1814 | if (needlen != 0) { |
| 1815 | curitem = sv_2mortal(newSVpvs("")); |
| 1816 | do { |
| 1817 | SvGROW(curitem, needlen+1); |
| 1818 | needlen = GetEnvironmentVariableA(name,SvPVX(curitem), |
| 1819 | needlen); |
| 1820 | } while (needlen >= SvLEN(curitem)); |
| 1821 | SvCUR_set(curitem, needlen); |
| 1822 | } |
| 1823 | else { |
| 1824 | last_err = GetLastError(); |
| 1825 | if (last_err == ERROR_NOT_ENOUGH_MEMORY) { |
| 1826 | /* It appears the variable is in the env, but the Win32 API |
| 1827 | doesn't have a canned way of getting it. So we fall back to |
| 1828 | grabbing the whole env and pulling this value out if possible */ |
| 1829 | char *envv = GetEnvironmentStrings(); |
| 1830 | char *cur = envv; |
| 1831 | STRLEN len; |
| 1832 | while (*cur) { |
| 1833 | char *end = strchr(cur,'='); |
| 1834 | if (end && end != cur) { |
| 1835 | *end = '\0'; |
| 1836 | if (strEQ(cur,name)) { |
| 1837 | curitem = sv_2mortal(newSVpv(end+1,0)); |
| 1838 | *end = '='; |
| 1839 | break; |
| 1840 | } |
| 1841 | *end = '='; |
| 1842 | cur = end + strlen(end+1)+2; |
| 1843 | } |
| 1844 | else if ((len = strlen(cur))) |
| 1845 | cur += len+1; |
| 1846 | } |
| 1847 | FreeEnvironmentStrings(envv); |
| 1848 | } |
| 1849 | #ifndef WIN32_NO_REGISTRY |
| 1850 | else { |
| 1851 | /* last ditch: allow any environment variables that begin with 'PERL' |
| 1852 | to be obtained from the registry, if found there */ |
| 1853 | if (strBEGINs(name, "PERL")) |
| 1854 | (void)get_regstr(name, &curitem); |
| 1855 | } |
| 1856 | #endif |
| 1857 | } |
| 1858 | if (curitem && SvCUR(curitem)) |
| 1859 | return SvPVX(curitem); |
| 1860 | |
| 1861 | return NULL; |
| 1862 | } |
| 1863 | |
| 1864 | DllExport int |
| 1865 | win32_putenv(const char *name) |
| 1866 | { |
| 1867 | char* curitem; |
| 1868 | char* val; |
| 1869 | int relval = -1; |
| 1870 | |
| 1871 | if (name) { |
| 1872 | curitem = (char *) win32_malloc(strlen(name)+1); |
| 1873 | strcpy(curitem, name); |
| 1874 | val = strchr(curitem, '='); |
| 1875 | if (val) { |
| 1876 | /* The sane way to deal with the environment. |
| 1877 | * Has these advantages over putenv() & co.: |
| 1878 | * * enables us to store a truly empty value in the |
| 1879 | * environment (like in UNIX). |
| 1880 | * * we don't have to deal with RTL globals, bugs and leaks |
| 1881 | * (specifically, see http://support.microsoft.com/kb/235601). |
| 1882 | * * Much faster. |
| 1883 | * Why you may want to use the RTL environment handling |
| 1884 | * (previously enabled by USE_WIN32_RTL_ENV): |
| 1885 | * * environ[] and RTL functions will not reflect changes, |
| 1886 | * which might be an issue if extensions want to access |
| 1887 | * the env. via RTL. This cuts both ways, since RTL will |
| 1888 | * not see changes made by extensions that call the Win32 |
| 1889 | * functions directly, either. |
| 1890 | * GSAR 97-06-07 |
| 1891 | */ |
| 1892 | *val++ = '\0'; |
| 1893 | if (SetEnvironmentVariableA(curitem, *val ? val : NULL)) |
| 1894 | relval = 0; |
| 1895 | } |
| 1896 | win32_free(curitem); |
| 1897 | } |
| 1898 | return relval; |
| 1899 | } |
| 1900 | |
| 1901 | static long |
| 1902 | filetime_to_clock(PFILETIME ft) |
| 1903 | { |
| 1904 | __int64 qw = ft->dwHighDateTime; |
| 1905 | qw <<= 32; |
| 1906 | qw |= ft->dwLowDateTime; |
| 1907 | qw /= 10000; /* File time ticks at 0.1uS, clock at 1mS */ |
| 1908 | return (long) qw; |
| 1909 | } |
| 1910 | |
| 1911 | DllExport int |
| 1912 | win32_times(struct tms *timebuf) |
| 1913 | { |
| 1914 | FILETIME user; |
| 1915 | FILETIME kernel; |
| 1916 | FILETIME dummy; |
| 1917 | clock_t process_time_so_far = clock(); |
| 1918 | if (GetProcessTimes(GetCurrentProcess(), &dummy, &dummy, |
| 1919 | &kernel,&user)) { |
| 1920 | timebuf->tms_utime = filetime_to_clock(&user); |
| 1921 | timebuf->tms_stime = filetime_to_clock(&kernel); |
| 1922 | timebuf->tms_cutime = 0; |
| 1923 | timebuf->tms_cstime = 0; |
| 1924 | } else { |
| 1925 | /* That failed - e.g. Win95 fallback to clock() */ |
| 1926 | timebuf->tms_utime = process_time_so_far; |
| 1927 | timebuf->tms_stime = 0; |
| 1928 | timebuf->tms_cutime = 0; |
| 1929 | timebuf->tms_cstime = 0; |
| 1930 | } |
| 1931 | return process_time_so_far; |
| 1932 | } |
| 1933 | |
| 1934 | /* fix utime() so it works on directories in NT */ |
| 1935 | static BOOL |
| 1936 | filetime_from_time(PFILETIME pFileTime, time_t Time) |
| 1937 | { |
| 1938 | struct tm *pTM = localtime(&Time); |
| 1939 | SYSTEMTIME SystemTime; |
| 1940 | FILETIME LocalTime; |
| 1941 | |
| 1942 | if (pTM == NULL) |
| 1943 | return FALSE; |
| 1944 | |
| 1945 | SystemTime.wYear = pTM->tm_year + 1900; |
| 1946 | SystemTime.wMonth = pTM->tm_mon + 1; |
| 1947 | SystemTime.wDay = pTM->tm_mday; |
| 1948 | SystemTime.wHour = pTM->tm_hour; |
| 1949 | SystemTime.wMinute = pTM->tm_min; |
| 1950 | SystemTime.wSecond = pTM->tm_sec; |
| 1951 | SystemTime.wMilliseconds = 0; |
| 1952 | |
| 1953 | return SystemTimeToFileTime(&SystemTime, &LocalTime) && |
| 1954 | LocalFileTimeToFileTime(&LocalTime, pFileTime); |
| 1955 | } |
| 1956 | |
| 1957 | DllExport int |
| 1958 | win32_unlink(const char *filename) |
| 1959 | { |
| 1960 | dTHX; |
| 1961 | int ret; |
| 1962 | DWORD attrs; |
| 1963 | |
| 1964 | filename = PerlDir_mapA(filename); |
| 1965 | attrs = GetFileAttributesA(filename); |
| 1966 | if (attrs == 0xFFFFFFFF) { |
| 1967 | errno = ENOENT; |
| 1968 | return -1; |
| 1969 | } |
| 1970 | if (attrs & FILE_ATTRIBUTE_READONLY) { |
| 1971 | (void)SetFileAttributesA(filename, attrs & ~FILE_ATTRIBUTE_READONLY); |
| 1972 | ret = unlink(filename); |
| 1973 | if (ret == -1) |
| 1974 | (void)SetFileAttributesA(filename, attrs); |
| 1975 | } |
| 1976 | else |
| 1977 | ret = unlink(filename); |
| 1978 | return ret; |
| 1979 | } |
| 1980 | |
| 1981 | DllExport int |
| 1982 | win32_utime(const char *filename, struct utimbuf *times) |
| 1983 | { |
| 1984 | dTHX; |
| 1985 | HANDLE handle; |
| 1986 | FILETIME ftCreate; |
| 1987 | FILETIME ftAccess; |
| 1988 | FILETIME ftWrite; |
| 1989 | struct utimbuf TimeBuffer; |
| 1990 | int rc; |
| 1991 | |
| 1992 | filename = PerlDir_mapA(filename); |
| 1993 | rc = utime(filename, times); |
| 1994 | |
| 1995 | /* EACCES: path specifies directory or readonly file */ |
| 1996 | if (rc == 0 || errno != EACCES) |
| 1997 | return rc; |
| 1998 | |
| 1999 | if (times == NULL) { |
| 2000 | times = &TimeBuffer; |
| 2001 | time(×->actime); |
| 2002 | times->modtime = times->actime; |
| 2003 | } |
| 2004 | |
| 2005 | /* This will (and should) still fail on readonly files */ |
| 2006 | handle = CreateFileA(filename, GENERIC_READ | GENERIC_WRITE, |
| 2007 | FILE_SHARE_READ | FILE_SHARE_DELETE, NULL, |
| 2008 | OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL); |
| 2009 | if (handle == INVALID_HANDLE_VALUE) |
| 2010 | return rc; |
| 2011 | |
| 2012 | if (GetFileTime(handle, &ftCreate, &ftAccess, &ftWrite) && |
| 2013 | filetime_from_time(&ftAccess, times->actime) && |
| 2014 | filetime_from_time(&ftWrite, times->modtime) && |
| 2015 | SetFileTime(handle, &ftCreate, &ftAccess, &ftWrite)) |
| 2016 | { |
| 2017 | rc = 0; |
| 2018 | } |
| 2019 | |
| 2020 | CloseHandle(handle); |
| 2021 | return rc; |
| 2022 | } |
| 2023 | |
| 2024 | typedef union { |
| 2025 | unsigned __int64 ft_i64; |
| 2026 | FILETIME ft_val; |
| 2027 | } FT_t; |
| 2028 | |
| 2029 | #ifdef __GNUC__ |
| 2030 | #define Const64(x) x##LL |
| 2031 | #else |
| 2032 | #define Const64(x) x##i64 |
| 2033 | #endif |
| 2034 | /* Number of 100 nanosecond units from 1/1/1601 to 1/1/1970 */ |
| 2035 | #define EPOCH_BIAS Const64(116444736000000000) |
| 2036 | |
| 2037 | /* NOTE: This does not compute the timezone info (doing so can be expensive, |
| 2038 | * and appears to be unsupported even by glibc) */ |
| 2039 | DllExport int |
| 2040 | win32_gettimeofday(struct timeval *tp, void *not_used) |
| 2041 | { |
| 2042 | FT_t ft; |
| 2043 | |
| 2044 | /* this returns time in 100-nanosecond units (i.e. tens of usecs) */ |
| 2045 | GetSystemTimeAsFileTime(&ft.ft_val); |
| 2046 | |
| 2047 | /* seconds since epoch */ |
| 2048 | tp->tv_sec = (long)((ft.ft_i64 - EPOCH_BIAS) / Const64(10000000)); |
| 2049 | |
| 2050 | /* microseconds remaining */ |
| 2051 | tp->tv_usec = (long)((ft.ft_i64 / Const64(10)) % Const64(1000000)); |
| 2052 | |
| 2053 | return 0; |
| 2054 | } |
| 2055 | |
| 2056 | DllExport int |
| 2057 | win32_uname(struct utsname *name) |
| 2058 | { |
| 2059 | struct hostent *hep; |
| 2060 | STRLEN nodemax = sizeof(name->nodename)-1; |
| 2061 | |
| 2062 | /* sysname */ |
| 2063 | switch (g_osver.dwPlatformId) { |
| 2064 | case VER_PLATFORM_WIN32_WINDOWS: |
| 2065 | strcpy(name->sysname, "Windows"); |
| 2066 | break; |
| 2067 | case VER_PLATFORM_WIN32_NT: |
| 2068 | strcpy(name->sysname, "Windows NT"); |
| 2069 | break; |
| 2070 | case VER_PLATFORM_WIN32s: |
| 2071 | strcpy(name->sysname, "Win32s"); |
| 2072 | break; |
| 2073 | default: |
| 2074 | strcpy(name->sysname, "Win32 Unknown"); |
| 2075 | break; |
| 2076 | } |
| 2077 | |
| 2078 | /* release */ |
| 2079 | sprintf(name->release, "%d.%d", |
| 2080 | g_osver.dwMajorVersion, g_osver.dwMinorVersion); |
| 2081 | |
| 2082 | /* version */ |
| 2083 | sprintf(name->version, "Build %d", |
| 2084 | g_osver.dwPlatformId == VER_PLATFORM_WIN32_NT |
| 2085 | ? g_osver.dwBuildNumber : (g_osver.dwBuildNumber & 0xffff)); |
| 2086 | if (g_osver.szCSDVersion[0]) { |
| 2087 | char *buf = name->version + strlen(name->version); |
| 2088 | sprintf(buf, " (%s)", g_osver.szCSDVersion); |
| 2089 | } |
| 2090 | |
| 2091 | /* nodename */ |
| 2092 | hep = win32_gethostbyname("localhost"); |
| 2093 | if (hep) { |
| 2094 | STRLEN len = strlen(hep->h_name); |
| 2095 | if (len <= nodemax) { |
| 2096 | strcpy(name->nodename, hep->h_name); |
| 2097 | } |
| 2098 | else { |
| 2099 | strncpy(name->nodename, hep->h_name, nodemax); |
| 2100 | name->nodename[nodemax] = '\0'; |
| 2101 | } |
| 2102 | } |
| 2103 | else { |
| 2104 | DWORD sz = nodemax; |
| 2105 | if (!GetComputerName(name->nodename, &sz)) |
| 2106 | *name->nodename = '\0'; |
| 2107 | } |
| 2108 | |
| 2109 | /* machine (architecture) */ |
| 2110 | { |
| 2111 | SYSTEM_INFO info; |
| 2112 | DWORD procarch; |
| 2113 | char *arch; |
| 2114 | GetSystemInfo(&info); |
| 2115 | |
| 2116 | #if (defined(__MINGW32__) && !defined(_ANONYMOUS_UNION) && !defined(__MINGW_EXTENSION)) |
| 2117 | procarch = info.u.s.wProcessorArchitecture; |
| 2118 | #else |
| 2119 | procarch = info.wProcessorArchitecture; |
| 2120 | #endif |
| 2121 | switch (procarch) { |
| 2122 | case PROCESSOR_ARCHITECTURE_INTEL: |
| 2123 | arch = "x86"; break; |
| 2124 | case PROCESSOR_ARCHITECTURE_IA64: |
| 2125 | arch = "ia64"; break; |
| 2126 | case PROCESSOR_ARCHITECTURE_AMD64: |
| 2127 | arch = "amd64"; break; |
| 2128 | case PROCESSOR_ARCHITECTURE_UNKNOWN: |
| 2129 | arch = "unknown"; break; |
| 2130 | default: |
| 2131 | sprintf(name->machine, "unknown(0x%x)", procarch); |
| 2132 | arch = name->machine; |
| 2133 | break; |
| 2134 | } |
| 2135 | if (name->machine != arch) |
| 2136 | strcpy(name->machine, arch); |
| 2137 | } |
| 2138 | return 0; |
| 2139 | } |
| 2140 | |
| 2141 | /* Timing related stuff */ |
| 2142 | |
| 2143 | int |
| 2144 | do_raise(pTHX_ int sig) |
| 2145 | { |
| 2146 | if (sig < SIG_SIZE) { |
| 2147 | Sighandler_t handler = w32_sighandler[sig]; |
| 2148 | if (handler == SIG_IGN) { |
| 2149 | return 0; |
| 2150 | } |
| 2151 | else if (handler != SIG_DFL) { |
| 2152 | (*handler)(sig); |
| 2153 | return 0; |
| 2154 | } |
| 2155 | else { |
| 2156 | /* Choose correct default behaviour */ |
| 2157 | switch (sig) { |
| 2158 | #ifdef SIGCLD |
| 2159 | case SIGCLD: |
| 2160 | #endif |
| 2161 | #ifdef SIGCHLD |
| 2162 | case SIGCHLD: |
| 2163 | #endif |
| 2164 | case 0: |
| 2165 | return 0; |
| 2166 | case SIGTERM: |
| 2167 | default: |
| 2168 | break; |
| 2169 | } |
| 2170 | } |
| 2171 | } |
| 2172 | /* Tell caller to exit thread/process as appropriate */ |
| 2173 | return 1; |
| 2174 | } |
| 2175 | |
| 2176 | void |
| 2177 | sig_terminate(pTHX_ int sig) |
| 2178 | { |
| 2179 | Perl_warn(aTHX_ "Terminating on signal SIG%s(%d)\n",PL_sig_name[sig], sig); |
| 2180 | /* exit() seems to be safe, my_exit() or die() is a problem in ^C |
| 2181 | thread |
| 2182 | */ |
| 2183 | exit(sig); |
| 2184 | } |
| 2185 | |
| 2186 | DllExport int |
| 2187 | win32_async_check(pTHX) |
| 2188 | { |
| 2189 | MSG msg; |
| 2190 | HWND hwnd = w32_message_hwnd; |
| 2191 | |
| 2192 | /* Reset w32_poll_count before doing anything else, incase we dispatch |
| 2193 | * messages that end up calling back into perl */ |
| 2194 | w32_poll_count = 0; |
| 2195 | |
| 2196 | if (hwnd != INVALID_HANDLE_VALUE) { |
| 2197 | /* Passing PeekMessage -1 as HWND (2nd arg) only gets PostThreadMessage() messages |
| 2198 | * and ignores window messages - should co-exist better with windows apps e.g. Tk |
| 2199 | */ |
| 2200 | if (hwnd == NULL) |
| 2201 | hwnd = (HWND)-1; |
| 2202 | |
| 2203 | while (PeekMessage(&msg, hwnd, WM_TIMER, WM_TIMER, PM_REMOVE|PM_NOYIELD) || |
| 2204 | PeekMessage(&msg, hwnd, WM_USER_MIN, WM_USER_MAX, PM_REMOVE|PM_NOYIELD)) |
| 2205 | { |
| 2206 | /* re-post a WM_QUIT message (we'll mark it as read later) */ |
| 2207 | if(msg.message == WM_QUIT) { |
| 2208 | PostQuitMessage((int)msg.wParam); |
| 2209 | break; |
| 2210 | } |
| 2211 | |
| 2212 | if(!CallMsgFilter(&msg, MSGF_USER)) |
| 2213 | { |
| 2214 | TranslateMessage(&msg); |
| 2215 | DispatchMessage(&msg); |
| 2216 | } |
| 2217 | } |
| 2218 | } |
| 2219 | |
| 2220 | /* Call PeekMessage() to mark all pending messages in the queue as "old". |
| 2221 | * This is necessary when we are being called by win32_msgwait() to |
| 2222 | * make sure MsgWaitForMultipleObjects() stops reporting the same waiting |
| 2223 | * message over and over. An example how this can happen is when |
| 2224 | * Perl is calling win32_waitpid() inside a GUI application and the GUI |
| 2225 | * is generating messages before the process terminated. |
| 2226 | */ |
| 2227 | PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE|PM_NOYIELD); |
| 2228 | |
| 2229 | /* Above or other stuff may have set a signal flag */ |
| 2230 | if (PL_sig_pending) |
| 2231 | despatch_signals(); |
| 2232 | |
| 2233 | return 1; |
| 2234 | } |
| 2235 | |
| 2236 | /* This function will not return until the timeout has elapsed, or until |
| 2237 | * one of the handles is ready. */ |
| 2238 | DllExport DWORD |
| 2239 | win32_msgwait(pTHX_ DWORD count, LPHANDLE handles, DWORD timeout, LPDWORD resultp) |
| 2240 | { |
| 2241 | /* We may need several goes at this - so compute when we stop */ |
| 2242 | FT_t ticks = {0}; |
| 2243 | unsigned __int64 endtime = timeout; |
| 2244 | if (timeout != INFINITE) { |
| 2245 | GetSystemTimeAsFileTime(&ticks.ft_val); |
| 2246 | ticks.ft_i64 /= 10000; |
| 2247 | endtime += ticks.ft_i64; |
| 2248 | } |
| 2249 | /* This was a race condition. Do not let a non INFINITE timeout to |
| 2250 | * MsgWaitForMultipleObjects roll under 0 creating a near |
| 2251 | * infinity/~(UINT32)0 timeout which will appear as a deadlock to the |
| 2252 | * user who did a CORE perl function with a non infinity timeout, |
| 2253 | * sleep for example. This is 64 to 32 truncation minefield. |
| 2254 | * |
| 2255 | * This scenario can only be created if the timespan from the return of |
| 2256 | * MsgWaitForMultipleObjects to GetSystemTimeAsFileTime exceeds 1 ms. To |
| 2257 | * generate the scenario, manual breakpoints in a C debugger are required, |
| 2258 | * or a context switch occurred in win32_async_check in PeekMessage, or random |
| 2259 | * messages are delivered to the *thread* message queue of the Perl thread |
| 2260 | * from another process (msctf.dll doing IPC among its instances, VS debugger |
| 2261 | * causes msctf.dll to be loaded into Perl by kernel), see [perl #33096]. |
| 2262 | */ |
| 2263 | while (ticks.ft_i64 <= endtime) { |
| 2264 | /* if timeout's type is lengthened, remember to split 64b timeout |
| 2265 | * into multiple non-infinity runs of MWFMO */ |
| 2266 | DWORD result = MsgWaitForMultipleObjects(count, handles, FALSE, |
| 2267 | (DWORD)(endtime - ticks.ft_i64), |
| 2268 | QS_POSTMESSAGE|QS_TIMER|QS_SENDMESSAGE); |
| 2269 | if (resultp) |
| 2270 | *resultp = result; |
| 2271 | if (result == WAIT_TIMEOUT) { |
| 2272 | /* Ran out of time - explicit return of zero to avoid -ve if we |
| 2273 | have scheduling issues |
| 2274 | */ |
| 2275 | return 0; |
| 2276 | } |
| 2277 | if (timeout != INFINITE) { |
| 2278 | GetSystemTimeAsFileTime(&ticks.ft_val); |
| 2279 | ticks.ft_i64 /= 10000; |
| 2280 | } |
| 2281 | if (result == WAIT_OBJECT_0 + count) { |
| 2282 | /* Message has arrived - check it */ |
| 2283 | (void)win32_async_check(aTHX); |
| 2284 | } |
| 2285 | else { |
| 2286 | /* Not timeout or message - one of handles is ready */ |
| 2287 | break; |
| 2288 | } |
| 2289 | } |
| 2290 | /* If we are past the end say zero */ |
| 2291 | if (!ticks.ft_i64 || ticks.ft_i64 > endtime) |
| 2292 | return 0; |
| 2293 | /* compute time left to wait */ |
| 2294 | ticks.ft_i64 = endtime - ticks.ft_i64; |
| 2295 | /* if more ms than DWORD, then return max DWORD */ |
| 2296 | return ticks.ft_i64 <= UINT_MAX ? (DWORD)ticks.ft_i64 : UINT_MAX; |
| 2297 | } |
| 2298 | |
| 2299 | int |
| 2300 | win32_internal_wait(pTHX_ int *status, DWORD timeout) |
| 2301 | { |
| 2302 | /* XXX this wait emulation only knows about processes |
| 2303 | * spawned via win32_spawnvp(P_NOWAIT, ...). |
| 2304 | */ |
| 2305 | int i, retval; |
| 2306 | DWORD exitcode, waitcode; |
| 2307 | |
| 2308 | #ifdef USE_ITHREADS |
| 2309 | if (w32_num_pseudo_children) { |
| 2310 | win32_msgwait(aTHX_ w32_num_pseudo_children, w32_pseudo_child_handles, |
| 2311 | timeout, &waitcode); |
| 2312 | /* Time out here if there are no other children to wait for. */ |
| 2313 | if (waitcode == WAIT_TIMEOUT) { |
| 2314 | if (!w32_num_children) { |
| 2315 | return 0; |
| 2316 | } |
| 2317 | } |
| 2318 | else if (waitcode != WAIT_FAILED) { |
| 2319 | if (waitcode >= WAIT_ABANDONED_0 |
| 2320 | && waitcode < WAIT_ABANDONED_0 + w32_num_pseudo_children) |
| 2321 | i = waitcode - WAIT_ABANDONED_0; |
| 2322 | else |
| 2323 | i = waitcode - WAIT_OBJECT_0; |
| 2324 | if (GetExitCodeThread(w32_pseudo_child_handles[i], &exitcode)) { |
| 2325 | *status = (int)((exitcode & 0xff) << 8); |
| 2326 | retval = (int)w32_pseudo_child_pids[i]; |
| 2327 | remove_dead_pseudo_process(i); |
| 2328 | return -retval; |
| 2329 | } |
| 2330 | } |
| 2331 | } |
| 2332 | #endif |
| 2333 | |
| 2334 | if (!w32_num_children) { |
| 2335 | errno = ECHILD; |
| 2336 | return -1; |
| 2337 | } |
| 2338 | |
| 2339 | /* if a child exists, wait for it to die */ |
| 2340 | win32_msgwait(aTHX_ w32_num_children, w32_child_handles, timeout, &waitcode); |
| 2341 | if (waitcode == WAIT_TIMEOUT) { |
| 2342 | return 0; |
| 2343 | } |
| 2344 | if (waitcode != WAIT_FAILED) { |
| 2345 | if (waitcode >= WAIT_ABANDONED_0 |
| 2346 | && waitcode < WAIT_ABANDONED_0 + w32_num_children) |
| 2347 | i = waitcode - WAIT_ABANDONED_0; |
| 2348 | else |
| 2349 | i = waitcode - WAIT_OBJECT_0; |
| 2350 | if (GetExitCodeProcess(w32_child_handles[i], &exitcode) ) { |
| 2351 | *status = (int)((exitcode & 0xff) << 8); |
| 2352 | retval = (int)w32_child_pids[i]; |
| 2353 | remove_dead_process(i); |
| 2354 | return retval; |
| 2355 | } |
| 2356 | } |
| 2357 | |
| 2358 | errno = GetLastError(); |
| 2359 | return -1; |
| 2360 | } |
| 2361 | |
| 2362 | DllExport int |
| 2363 | win32_waitpid(int pid, int *status, int flags) |
| 2364 | { |
| 2365 | dTHX; |
| 2366 | DWORD timeout = (flags & WNOHANG) ? 0 : INFINITE; |
| 2367 | int retval = -1; |
| 2368 | long child; |
| 2369 | if (pid == -1) /* XXX threadid == 1 ? */ |
| 2370 | return win32_internal_wait(aTHX_ status, timeout); |
| 2371 | #ifdef USE_ITHREADS |
| 2372 | else if (pid < 0) { |
| 2373 | child = find_pseudo_pid(aTHX_ -pid); |
| 2374 | if (child >= 0) { |
| 2375 | HANDLE hThread = w32_pseudo_child_handles[child]; |
| 2376 | DWORD waitcode; |
| 2377 | win32_msgwait(aTHX_ 1, &hThread, timeout, &waitcode); |
| 2378 | if (waitcode == WAIT_TIMEOUT) { |
| 2379 | return 0; |
| 2380 | } |
| 2381 | else if (waitcode == WAIT_OBJECT_0) { |
| 2382 | if (GetExitCodeThread(hThread, &waitcode)) { |
| 2383 | *status = (int)((waitcode & 0xff) << 8); |
| 2384 | retval = (int)w32_pseudo_child_pids[child]; |
| 2385 | remove_dead_pseudo_process(child); |
| 2386 | return -retval; |
| 2387 | } |
| 2388 | } |
| 2389 | else |
| 2390 | errno = ECHILD; |
| 2391 | } |
| 2392 | } |
| 2393 | #endif |
| 2394 | else { |
| 2395 | HANDLE hProcess; |
| 2396 | DWORD waitcode; |
| 2397 | child = find_pid(aTHX_ pid); |
| 2398 | if (child >= 0) { |
| 2399 | hProcess = w32_child_handles[child]; |
| 2400 | win32_msgwait(aTHX_ 1, &hProcess, timeout, &waitcode); |
| 2401 | if (waitcode == WAIT_TIMEOUT) { |
| 2402 | return 0; |
| 2403 | } |
| 2404 | else if (waitcode == WAIT_OBJECT_0) { |
| 2405 | if (GetExitCodeProcess(hProcess, &waitcode)) { |
| 2406 | *status = (int)((waitcode & 0xff) << 8); |
| 2407 | retval = (int)w32_child_pids[child]; |
| 2408 | remove_dead_process(child); |
| 2409 | return retval; |
| 2410 | } |
| 2411 | } |
| 2412 | else |
| 2413 | errno = ECHILD; |
| 2414 | } |
| 2415 | else { |
| 2416 | hProcess = OpenProcess(PROCESS_ALL_ACCESS, TRUE, pid); |
| 2417 | if (hProcess) { |
| 2418 | win32_msgwait(aTHX_ 1, &hProcess, timeout, &waitcode); |
| 2419 | if (waitcode == WAIT_TIMEOUT) { |
| 2420 | CloseHandle(hProcess); |
| 2421 | return 0; |
| 2422 | } |
| 2423 | else if (waitcode == WAIT_OBJECT_0) { |
| 2424 | if (GetExitCodeProcess(hProcess, &waitcode)) { |
| 2425 | *status = (int)((waitcode & 0xff) << 8); |
| 2426 | CloseHandle(hProcess); |
| 2427 | return pid; |
| 2428 | } |
| 2429 | } |
| 2430 | CloseHandle(hProcess); |
| 2431 | } |
| 2432 | else |
| 2433 | errno = ECHILD; |
| 2434 | } |
| 2435 | } |
| 2436 | return retval >= 0 ? pid : retval; |
| 2437 | } |
| 2438 | |
| 2439 | DllExport int |
| 2440 | win32_wait(int *status) |
| 2441 | { |
| 2442 | dTHX; |
| 2443 | return win32_internal_wait(aTHX_ status, INFINITE); |
| 2444 | } |
| 2445 | |
| 2446 | DllExport unsigned int |
| 2447 | win32_sleep(unsigned int t) |
| 2448 | { |
| 2449 | dTHX; |
| 2450 | /* Win32 times are in ms so *1000 in and /1000 out */ |
| 2451 | if (t > UINT_MAX / 1000) { |
| 2452 | Perl_ck_warner(aTHX_ packWARN(WARN_OVERFLOW), |
| 2453 | "sleep(%lu) too large", t); |
| 2454 | } |
| 2455 | return win32_msgwait(aTHX_ 0, NULL, t * 1000, NULL) / 1000; |
| 2456 | } |
| 2457 | |
| 2458 | DllExport unsigned int |
| 2459 | win32_alarm(unsigned int sec) |
| 2460 | { |
| 2461 | /* |
| 2462 | * the 'obvious' implentation is SetTimer() with a callback |
| 2463 | * which does whatever receiving SIGALRM would do |
| 2464 | * we cannot use SIGALRM even via raise() as it is not |
| 2465 | * one of the supported codes in <signal.h> |
| 2466 | */ |
| 2467 | dTHX; |
| 2468 | |
| 2469 | if (w32_message_hwnd == INVALID_HANDLE_VALUE) |
| 2470 | w32_message_hwnd = win32_create_message_window(); |
| 2471 | |
| 2472 | if (sec) { |
| 2473 | if (w32_message_hwnd == NULL) |
| 2474 | w32_timerid = SetTimer(NULL, w32_timerid, sec*1000, NULL); |
| 2475 | else { |
| 2476 | w32_timerid = 1; |
| 2477 | SetTimer(w32_message_hwnd, w32_timerid, sec*1000, NULL); |
| 2478 | } |
| 2479 | } |
| 2480 | else { |
| 2481 | if (w32_timerid) { |
| 2482 | KillTimer(w32_message_hwnd, w32_timerid); |
| 2483 | w32_timerid = 0; |
| 2484 | } |
| 2485 | } |
| 2486 | return 0; |
| 2487 | } |
| 2488 | |
| 2489 | extern char * des_fcrypt(const char *txt, const char *salt, char *cbuf); |
| 2490 | |
| 2491 | DllExport char * |
| 2492 | win32_crypt(const char *txt, const char *salt) |
| 2493 | { |
| 2494 | dTHX; |
| 2495 | return des_fcrypt(txt, salt, w32_crypt_buffer); |
| 2496 | } |
| 2497 | |
| 2498 | /* simulate flock by locking a range on the file */ |
| 2499 | |
| 2500 | #define LK_LEN 0xffff0000 |
| 2501 | |
| 2502 | DllExport int |
| 2503 | win32_flock(int fd, int oper) |
| 2504 | { |
| 2505 | OVERLAPPED o; |
| 2506 | int i = -1; |
| 2507 | HANDLE fh; |
| 2508 | |
| 2509 | fh = (HANDLE)_get_osfhandle(fd); |
| 2510 | if (fh == (HANDLE)-1) /* _get_osfhandle() already sets errno to EBADF */ |
| 2511 | return -1; |
| 2512 | |
| 2513 | memset(&o, 0, sizeof(o)); |
| 2514 | |
| 2515 | switch(oper) { |
| 2516 | case LOCK_SH: /* shared lock */ |
| 2517 | if (LockFileEx(fh, 0, 0, LK_LEN, 0, &o)) |
| 2518 | i = 0; |
| 2519 | break; |
| 2520 | case LOCK_EX: /* exclusive lock */ |
| 2521 | if (LockFileEx(fh, LOCKFILE_EXCLUSIVE_LOCK, 0, LK_LEN, 0, &o)) |
| 2522 | i = 0; |
| 2523 | break; |
| 2524 | case LOCK_SH|LOCK_NB: /* non-blocking shared lock */ |
| 2525 | if (LockFileEx(fh, LOCKFILE_FAIL_IMMEDIATELY, 0, LK_LEN, 0, &o)) |
| 2526 | i = 0; |
| 2527 | break; |
| 2528 | case LOCK_EX|LOCK_NB: /* non-blocking exclusive lock */ |
| 2529 | if (LockFileEx(fh, LOCKFILE_EXCLUSIVE_LOCK|LOCKFILE_FAIL_IMMEDIATELY, |
| 2530 | 0, LK_LEN, 0, &o)) |
| 2531 | i = 0; |
| 2532 | break; |
| 2533 | case LOCK_UN: /* unlock lock */ |
| 2534 | if (UnlockFileEx(fh, 0, LK_LEN, 0, &o)) |
| 2535 | i = 0; |
| 2536 | break; |
| 2537 | default: /* unknown */ |
| 2538 | errno = EINVAL; |
| 2539 | return -1; |
| 2540 | } |
| 2541 | if (i == -1) { |
| 2542 | if (GetLastError() == ERROR_LOCK_VIOLATION) |
| 2543 | errno = EWOULDBLOCK; |
| 2544 | else |
| 2545 | errno = EINVAL; |
| 2546 | } |
| 2547 | return i; |
| 2548 | } |
| 2549 | |
| 2550 | #undef LK_LEN |
| 2551 | |
| 2552 | extern int convert_wsa_error_to_errno(int wsaerr); /* in win32sck.c */ |
| 2553 | |
| 2554 | /* Get the errno value corresponding to the given err. This function is not |
| 2555 | * intended to handle conversion of general GetLastError() codes. It only exists |
| 2556 | * to translate Windows sockets error codes from WSAGetLastError(). Such codes |
| 2557 | * used to be assigned to errno/$! in earlier versions of perl; this function is |
| 2558 | * used to catch any old Perl code which is still trying to assign such values |
| 2559 | * to $! and convert them to errno values instead. |
| 2560 | */ |
| 2561 | int |
| 2562 | win32_get_errno(int err) |
| 2563 | { |
| 2564 | return convert_wsa_error_to_errno(err); |
| 2565 | } |
| 2566 | |
| 2567 | /* |
| 2568 | * redirected io subsystem for all XS modules |
| 2569 | * |
| 2570 | */ |
| 2571 | |
| 2572 | DllExport int * |
| 2573 | win32_errno(void) |
| 2574 | { |
| 2575 | return (&errno); |
| 2576 | } |
| 2577 | |
| 2578 | DllExport char *** |
| 2579 | win32_environ(void) |
| 2580 | { |
| 2581 | return (&(_environ)); |
| 2582 | } |
| 2583 | |
| 2584 | /* the rest are the remapped stdio routines */ |
| 2585 | DllExport FILE * |
| 2586 | win32_stderr(void) |
| 2587 | { |
| 2588 | return (stderr); |
| 2589 | } |
| 2590 | |
| 2591 | DllExport FILE * |
| 2592 | win32_stdin(void) |
| 2593 | { |
| 2594 | return (stdin); |
| 2595 | } |
| 2596 | |
| 2597 | DllExport FILE * |
| 2598 | win32_stdout(void) |
| 2599 | { |
| 2600 | return (stdout); |
| 2601 | } |
| 2602 | |
| 2603 | DllExport int |
| 2604 | win32_ferror(FILE *fp) |
| 2605 | { |
| 2606 | return (ferror(fp)); |
| 2607 | } |
| 2608 | |
| 2609 | |
| 2610 | DllExport int |
| 2611 | win32_feof(FILE *fp) |
| 2612 | { |
| 2613 | return (feof(fp)); |
| 2614 | } |
| 2615 | |
| 2616 | #ifdef ERRNO_HAS_POSIX_SUPPLEMENT |
| 2617 | extern int convert_errno_to_wsa_error(int err); /* in win32sck.c */ |
| 2618 | #endif |
| 2619 | |
| 2620 | /* |
| 2621 | * Since the errors returned by the socket error function |
| 2622 | * WSAGetLastError() are not known by the library routine strerror |
| 2623 | * we have to roll our own to cover the case of socket errors |
| 2624 | * that could not be converted to regular errno values by |
| 2625 | * get_last_socket_error() in win32/win32sck.c. |
| 2626 | */ |
| 2627 | |
| 2628 | DllExport char * |
| 2629 | win32_strerror(int e) |
| 2630 | { |
| 2631 | #if !defined __MINGW32__ /* compiler intolerance */ |
| 2632 | extern int sys_nerr; |
| 2633 | #endif |
| 2634 | |
| 2635 | if (e < 0 || e > sys_nerr) { |
| 2636 | dTHXa(NULL); |
| 2637 | if (e < 0) |
| 2638 | e = GetLastError(); |
| 2639 | #ifdef ERRNO_HAS_POSIX_SUPPLEMENT |
| 2640 | /* VC10+ and some MinGW/gcc-4.8+ define a "POSIX supplement" of errno |
| 2641 | * values ranging from EADDRINUSE (100) to EWOULDBLOCK (140), but |
| 2642 | * sys_nerr is still 43 and strerror() returns "Unknown error" for them. |
| 2643 | * We must therefore still roll our own messages for these codes, and |
| 2644 | * additionally map them to corresponding Windows (sockets) error codes |
| 2645 | * first to avoid getting the wrong system message. |
| 2646 | */ |
| 2647 | else if (e >= EADDRINUSE && e <= EWOULDBLOCK) { |
| 2648 | e = convert_errno_to_wsa_error(e); |
| 2649 | } |
| 2650 | #endif |
| 2651 | |
| 2652 | aTHXa(PERL_GET_THX); |
| 2653 | if (FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM |
| 2654 | |FORMAT_MESSAGE_IGNORE_INSERTS, NULL, e, 0, |
| 2655 | w32_strerror_buffer, sizeof(w32_strerror_buffer), |
| 2656 | NULL) == 0) |
| 2657 | { |
| 2658 | strcpy(w32_strerror_buffer, "Unknown Error"); |
| 2659 | } |
| 2660 | return w32_strerror_buffer; |
| 2661 | } |
| 2662 | #undef strerror |
| 2663 | return strerror(e); |
| 2664 | #define strerror win32_strerror |
| 2665 | } |
| 2666 | |
| 2667 | DllExport void |
| 2668 | win32_str_os_error(void *sv, DWORD dwErr) |
| 2669 | { |
| 2670 | DWORD dwLen; |
| 2671 | char *sMsg; |
| 2672 | dwLen = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER |
| 2673 | |FORMAT_MESSAGE_IGNORE_INSERTS |
| 2674 | |FORMAT_MESSAGE_FROM_SYSTEM, NULL, |
| 2675 | dwErr, 0, (char *)&sMsg, 1, NULL); |
| 2676 | /* strip trailing whitespace and period */ |
| 2677 | if (0 < dwLen) { |
| 2678 | do { |
| 2679 | --dwLen; /* dwLen doesn't include trailing null */ |
| 2680 | } while (0 < dwLen && isSPACE(sMsg[dwLen])); |
| 2681 | if ('.' != sMsg[dwLen]) |
| 2682 | dwLen++; |
| 2683 | sMsg[dwLen] = '\0'; |
| 2684 | } |
| 2685 | if (0 == dwLen) { |
| 2686 | sMsg = (char*)LocalAlloc(0, 64/**sizeof(TCHAR)*/); |
| 2687 | if (sMsg) |
| 2688 | dwLen = sprintf(sMsg, |
| 2689 | "Unknown error #0x%lX (lookup 0x%lX)", |
| 2690 | dwErr, GetLastError()); |
| 2691 | } |
| 2692 | if (sMsg) { |
| 2693 | dTHX; |
| 2694 | sv_setpvn((SV*)sv, sMsg, dwLen); |
| 2695 | LocalFree(sMsg); |
| 2696 | } |
| 2697 | } |
| 2698 | |
| 2699 | DllExport int |
| 2700 | win32_fprintf(FILE *fp, const char *format, ...) |
| 2701 | { |
| 2702 | va_list marker; |
| 2703 | va_start(marker, format); /* Initialize variable arguments. */ |
| 2704 | |
| 2705 | return (vfprintf(fp, format, marker)); |
| 2706 | } |
| 2707 | |
| 2708 | DllExport int |
| 2709 | win32_printf(const char *format, ...) |
| 2710 | { |
| 2711 | va_list marker; |
| 2712 | va_start(marker, format); /* Initialize variable arguments. */ |
| 2713 | |
| 2714 | return (vprintf(format, marker)); |
| 2715 | } |
| 2716 | |
| 2717 | DllExport int |
| 2718 | win32_vfprintf(FILE *fp, const char *format, va_list args) |
| 2719 | { |
| 2720 | return (vfprintf(fp, format, args)); |
| 2721 | } |
| 2722 | |
| 2723 | DllExport int |
| 2724 | win32_vprintf(const char *format, va_list args) |
| 2725 | { |
| 2726 | return (vprintf(format, args)); |
| 2727 | } |
| 2728 | |
| 2729 | DllExport size_t |
| 2730 | win32_fread(void *buf, size_t size, size_t count, FILE *fp) |
| 2731 | { |
| 2732 | return fread(buf, size, count, fp); |
| 2733 | } |
| 2734 | |
| 2735 | DllExport size_t |
| 2736 | win32_fwrite(const void *buf, size_t size, size_t count, FILE *fp) |
| 2737 | { |
| 2738 | return fwrite(buf, size, count, fp); |
| 2739 | } |
| 2740 | |
| 2741 | #define MODE_SIZE 10 |
| 2742 | |
| 2743 | DllExport FILE * |
| 2744 | win32_fopen(const char *filename, const char *mode) |
| 2745 | { |
| 2746 | dTHXa(NULL); |
| 2747 | FILE *f; |
| 2748 | |
| 2749 | if (!*filename) |
| 2750 | return NULL; |
| 2751 | |
| 2752 | if (stricmp(filename, "/dev/null")==0) |
| 2753 | filename = "NUL"; |
| 2754 | |
| 2755 | aTHXa(PERL_GET_THX); |
| 2756 | f = fopen(PerlDir_mapA(filename), mode); |
| 2757 | /* avoid buffering headaches for child processes */ |
| 2758 | if (f && *mode == 'a') |
| 2759 | win32_fseek(f, 0, SEEK_END); |
| 2760 | return f; |
| 2761 | } |
| 2762 | |
| 2763 | DllExport FILE * |
| 2764 | win32_fdopen(int handle, const char *mode) |
| 2765 | { |
| 2766 | FILE *f; |
| 2767 | f = fdopen(handle, (char *) mode); |
| 2768 | /* avoid buffering headaches for child processes */ |
| 2769 | if (f && *mode == 'a') |
| 2770 | win32_fseek(f, 0, SEEK_END); |
| 2771 | return f; |
| 2772 | } |
| 2773 | |
| 2774 | DllExport FILE * |
| 2775 | win32_freopen(const char *path, const char *mode, FILE *stream) |
| 2776 | { |
| 2777 | dTHXa(NULL); |
| 2778 | if (stricmp(path, "/dev/null")==0) |
| 2779 | path = "NUL"; |
| 2780 | |
| 2781 | aTHXa(PERL_GET_THX); |
| 2782 | return freopen(PerlDir_mapA(path), mode, stream); |
| 2783 | } |
| 2784 | |
| 2785 | DllExport int |
| 2786 | win32_fclose(FILE *pf) |
| 2787 | { |
| 2788 | #ifdef WIN32_NO_SOCKETS |
| 2789 | return fclose(pf); |
| 2790 | #else |
| 2791 | return my_fclose(pf); /* defined in win32sck.c */ |
| 2792 | #endif |
| 2793 | } |
| 2794 | |
| 2795 | DllExport int |
| 2796 | win32_fputs(const char *s,FILE *pf) |
| 2797 | { |
| 2798 | return fputs(s, pf); |
| 2799 | } |
| 2800 | |
| 2801 | DllExport int |
| 2802 | win32_fputc(int c,FILE *pf) |
| 2803 | { |
| 2804 | return fputc(c,pf); |
| 2805 | } |
| 2806 | |
| 2807 | DllExport int |
| 2808 | win32_ungetc(int c,FILE *pf) |
| 2809 | { |
| 2810 | return ungetc(c,pf); |
| 2811 | } |
| 2812 | |
| 2813 | DllExport int |
| 2814 | win32_getc(FILE *pf) |
| 2815 | { |
| 2816 | return getc(pf); |
| 2817 | } |
| 2818 | |
| 2819 | DllExport int |
| 2820 | win32_fileno(FILE *pf) |
| 2821 | { |
| 2822 | return fileno(pf); |
| 2823 | } |
| 2824 | |
| 2825 | DllExport void |
| 2826 | win32_clearerr(FILE *pf) |
| 2827 | { |
| 2828 | clearerr(pf); |
| 2829 | return; |
| 2830 | } |
| 2831 | |
| 2832 | DllExport int |
| 2833 | win32_fflush(FILE *pf) |
| 2834 | { |
| 2835 | return fflush(pf); |
| 2836 | } |
| 2837 | |
| 2838 | DllExport Off_t |
| 2839 | win32_ftell(FILE *pf) |
| 2840 | { |
| 2841 | #if defined(WIN64) || defined(USE_LARGE_FILES) |
| 2842 | fpos_t pos; |
| 2843 | if (fgetpos(pf, &pos)) |
| 2844 | return -1; |
| 2845 | return (Off_t)pos; |
| 2846 | #else |
| 2847 | return ftell(pf); |
| 2848 | #endif |
| 2849 | } |
| 2850 | |
| 2851 | DllExport int |
| 2852 | win32_fseek(FILE *pf, Off_t offset,int origin) |
| 2853 | { |
| 2854 | #if defined(WIN64) || defined(USE_LARGE_FILES) |
| 2855 | fpos_t pos; |
| 2856 | switch (origin) { |
| 2857 | case SEEK_CUR: |
| 2858 | if (fgetpos(pf, &pos)) |
| 2859 | return -1; |
| 2860 | offset += pos; |
| 2861 | break; |
| 2862 | case SEEK_END: |
| 2863 | fseek(pf, 0, SEEK_END); |
| 2864 | pos = _telli64(fileno(pf)); |
| 2865 | offset += pos; |
| 2866 | break; |
| 2867 | case SEEK_SET: |
| 2868 | break; |
| 2869 | default: |
| 2870 | errno = EINVAL; |
| 2871 | return -1; |
| 2872 | } |
| 2873 | return fsetpos(pf, &offset); |
| 2874 | #else |
| 2875 | return fseek(pf, (long)offset, origin); |
| 2876 | #endif |
| 2877 | } |
| 2878 | |
| 2879 | DllExport int |
| 2880 | win32_fgetpos(FILE *pf,fpos_t *p) |
| 2881 | { |
| 2882 | return fgetpos(pf, p); |
| 2883 | } |
| 2884 | |
| 2885 | DllExport int |
| 2886 | win32_fsetpos(FILE *pf,const fpos_t *p) |
| 2887 | { |
| 2888 | return fsetpos(pf, p); |
| 2889 | } |
| 2890 | |
| 2891 | DllExport void |
| 2892 | win32_rewind(FILE *pf) |
| 2893 | { |
| 2894 | rewind(pf); |
| 2895 | return; |
| 2896 | } |
| 2897 | |
| 2898 | DllExport int |
| 2899 | win32_tmpfd(void) |
| 2900 | { |
| 2901 | char prefix[MAX_PATH+1]; |
| 2902 | char filename[MAX_PATH+1]; |
| 2903 | DWORD len = GetTempPath(MAX_PATH, prefix); |
| 2904 | if (len && len < MAX_PATH) { |
| 2905 | if (GetTempFileName(prefix, "plx", 0, filename)) { |
| 2906 | HANDLE fh = CreateFile(filename, |
| 2907 | DELETE | GENERIC_READ | GENERIC_WRITE, |
| 2908 | 0, |
| 2909 | NULL, |
| 2910 | CREATE_ALWAYS, |
| 2911 | FILE_ATTRIBUTE_NORMAL |
| 2912 | | FILE_FLAG_DELETE_ON_CLOSE, |
| 2913 | NULL); |
| 2914 | if (fh != INVALID_HANDLE_VALUE) { |
| 2915 | int fd = win32_open_osfhandle((intptr_t)fh, 0); |
| 2916 | if (fd >= 0) { |
| 2917 | PERL_DEB(dTHX;) |
| 2918 | DEBUG_p(PerlIO_printf(Perl_debug_log, |
| 2919 | "Created tmpfile=%s\n",filename)); |
| 2920 | return fd; |
| 2921 | } |
| 2922 | } |
| 2923 | } |
| 2924 | } |
| 2925 | return -1; |
| 2926 | } |
| 2927 | |
| 2928 | DllExport FILE* |
| 2929 | win32_tmpfile(void) |
| 2930 | { |
| 2931 | int fd = win32_tmpfd(); |
| 2932 | if (fd >= 0) |
| 2933 | return win32_fdopen(fd, "w+b"); |
| 2934 | return NULL; |
| 2935 | } |
| 2936 | |
| 2937 | DllExport void |
| 2938 | win32_abort(void) |
| 2939 | { |
| 2940 | abort(); |
| 2941 | return; |
| 2942 | } |
| 2943 | |
| 2944 | DllExport int |
| 2945 | win32_fstat(int fd, Stat_t *sbufptr) |
| 2946 | { |
| 2947 | #if defined(WIN64) || defined(USE_LARGE_FILES) |
| 2948 | return _fstati64(fd, sbufptr); |
| 2949 | #else |
| 2950 | return fstat(fd, sbufptr); |
| 2951 | #endif |
| 2952 | } |
| 2953 | |
| 2954 | DllExport int |
| 2955 | win32_pipe(int *pfd, unsigned int size, int mode) |
| 2956 | { |
| 2957 | return _pipe(pfd, size, mode); |
| 2958 | } |
| 2959 | |
| 2960 | DllExport PerlIO* |
| 2961 | win32_popenlist(const char *mode, IV narg, SV **args) |
| 2962 | { |
| 2963 | get_shell(); |
| 2964 | |
| 2965 | return do_popen(mode, NULL, narg, args); |
| 2966 | } |
| 2967 | |
| 2968 | STATIC PerlIO* |
| 2969 | do_popen(const char *mode, const char *command, IV narg, SV **args) { |
| 2970 | int p[2]; |
| 2971 | int handles[3]; |
| 2972 | int parent, child; |
| 2973 | int stdfd; |
| 2974 | int ourmode; |
| 2975 | int childpid; |
| 2976 | DWORD nhandle; |
| 2977 | int lock_held = 0; |
| 2978 | const char **args_pvs = NULL; |
| 2979 | |
| 2980 | /* establish which ends read and write */ |
| 2981 | if (strchr(mode,'w')) { |
| 2982 | stdfd = 0; /* stdin */ |
| 2983 | parent = 1; |
| 2984 | child = 0; |
| 2985 | nhandle = STD_INPUT_HANDLE; |
| 2986 | } |
| 2987 | else if (strchr(mode,'r')) { |
| 2988 | stdfd = 1; /* stdout */ |
| 2989 | parent = 0; |
| 2990 | child = 1; |
| 2991 | nhandle = STD_OUTPUT_HANDLE; |
| 2992 | } |
| 2993 | else |
| 2994 | return NULL; |
| 2995 | |
| 2996 | /* set the correct mode */ |
| 2997 | if (strchr(mode,'b')) |
| 2998 | ourmode = O_BINARY; |
| 2999 | else if (strchr(mode,'t')) |
| 3000 | ourmode = O_TEXT; |
| 3001 | else |
| 3002 | ourmode = _fmode & (O_TEXT | O_BINARY); |
| 3003 | |
| 3004 | /* the child doesn't inherit handles */ |
| 3005 | ourmode |= O_NOINHERIT; |
| 3006 | |
| 3007 | if (win32_pipe(p, 512, ourmode) == -1) |
| 3008 | return NULL; |
| 3009 | |
| 3010 | /* Previously this code redirected stdin/out temporarily so the |
| 3011 | child process inherited those handles, this caused race |
| 3012 | conditions when another thread was writing/reading those |
| 3013 | handles. |
| 3014 | |
| 3015 | To avoid that we just feed the handles to CreateProcess() so |
| 3016 | the handles are redirected only in the child. |
| 3017 | */ |
| 3018 | handles[child] = p[child]; |
| 3019 | handles[parent] = -1; |
| 3020 | handles[2] = -1; |
| 3021 | |
| 3022 | /* CreateProcess() requires inheritable handles */ |
| 3023 | if (!SetHandleInformation((HANDLE)_get_osfhandle(p[child]), HANDLE_FLAG_INHERIT, |
| 3024 | HANDLE_FLAG_INHERIT)) { |
| 3025 | goto cleanup; |
| 3026 | } |
| 3027 | |
| 3028 | /* start the child */ |
| 3029 | { |
| 3030 | dTHX; |
| 3031 | |
| 3032 | if (command) { |
| 3033 | if ((childpid = do_spawn2_handles(aTHX_ command, EXECF_SPAWN_NOWAIT, handles)) == -1) |
| 3034 | goto cleanup; |
| 3035 | |
| 3036 | } |
| 3037 | else { |
| 3038 | int i; |
| 3039 | const char *exe_name; |
| 3040 | |
| 3041 | Newx(args_pvs, narg + 1 + w32_perlshell_items, const char *); |
| 3042 | SAVEFREEPV(args_pvs); |
| 3043 | for (i = 0; i < narg; ++i) |
| 3044 | args_pvs[i] = SvPV_nolen(args[i]); |
| 3045 | args_pvs[i] = NULL; |
| 3046 | exe_name = qualified_path(args_pvs[0], TRUE); |
| 3047 | if (!exe_name) |
| 3048 | /* let CreateProcess() try to find it instead */ |
| 3049 | exe_name = args_pvs[0]; |
| 3050 | |
| 3051 | if ((childpid = do_spawnvp_handles(P_NOWAIT, exe_name, args_pvs, handles)) == -1) { |
| 3052 | goto cleanup; |
| 3053 | } |
| 3054 | } |
| 3055 | |
| 3056 | win32_close(p[child]); |
| 3057 | |
| 3058 | sv_setiv(*av_fetch(w32_fdpid, p[parent], TRUE), childpid); |
| 3059 | |
| 3060 | /* set process id so that it can be returned by perl's open() */ |
| 3061 | PL_forkprocess = childpid; |
| 3062 | } |
| 3063 | |
| 3064 | /* we have an fd, return a file stream */ |
| 3065 | return (PerlIO_fdopen(p[parent], (char *)mode)); |
| 3066 | |
| 3067 | cleanup: |
| 3068 | /* we don't need to check for errors here */ |
| 3069 | win32_close(p[0]); |
| 3070 | win32_close(p[1]); |
| 3071 | |
| 3072 | return (NULL); |
| 3073 | } |
| 3074 | |
| 3075 | /* |
| 3076 | * a popen() clone that respects PERL5SHELL |
| 3077 | * |
| 3078 | * changed to return PerlIO* rather than FILE * by BKS, 11-11-2000 |
| 3079 | */ |
| 3080 | |
| 3081 | DllExport PerlIO* |
| 3082 | win32_popen(const char *command, const char *mode) |
| 3083 | { |
| 3084 | #ifdef USE_RTL_POPEN |
| 3085 | return _popen(command, mode); |
| 3086 | #else |
| 3087 | return do_popen(mode, command, 0, NULL); |
| 3088 | #endif /* USE_RTL_POPEN */ |
| 3089 | } |
| 3090 | |
| 3091 | /* |
| 3092 | * pclose() clone |
| 3093 | */ |
| 3094 | |
| 3095 | DllExport int |
| 3096 | win32_pclose(PerlIO *pf) |
| 3097 | { |
| 3098 | #ifdef USE_RTL_POPEN |
| 3099 | return _pclose(pf); |
| 3100 | #else |
| 3101 | dTHX; |
| 3102 | int childpid, status; |
| 3103 | SV *sv; |
| 3104 | |
| 3105 | sv = *av_fetch(w32_fdpid, PerlIO_fileno(pf), TRUE); |
| 3106 | |
| 3107 | if (SvIOK(sv)) |
| 3108 | childpid = SvIVX(sv); |
| 3109 | else |
| 3110 | childpid = 0; |
| 3111 | |
| 3112 | if (!childpid) { |
| 3113 | errno = EBADF; |
| 3114 | return -1; |
| 3115 | } |
| 3116 | |
| 3117 | #ifdef USE_PERLIO |
| 3118 | PerlIO_close(pf); |
| 3119 | #else |
| 3120 | fclose(pf); |
| 3121 | #endif |
| 3122 | SvIVX(sv) = 0; |
| 3123 | |
| 3124 | if (win32_waitpid(childpid, &status, 0) == -1) |
| 3125 | return -1; |
| 3126 | |
| 3127 | return status; |
| 3128 | |
| 3129 | #endif /* USE_RTL_POPEN */ |
| 3130 | } |
| 3131 | |
| 3132 | DllExport int |
| 3133 | win32_link(const char *oldname, const char *newname) |
| 3134 | { |
| 3135 | dTHXa(NULL); |
| 3136 | WCHAR wOldName[MAX_PATH+1]; |
| 3137 | WCHAR wNewName[MAX_PATH+1]; |
| 3138 | |
| 3139 | if (MultiByteToWideChar(CP_ACP, 0, oldname, -1, wOldName, MAX_PATH+1) && |
| 3140 | MultiByteToWideChar(CP_ACP, 0, newname, -1, wNewName, MAX_PATH+1) && |
| 3141 | ((aTHXa(PERL_GET_THX)), wcscpy(wOldName, PerlDir_mapW(wOldName)), |
| 3142 | CreateHardLinkW(PerlDir_mapW(wNewName), wOldName, NULL))) |
| 3143 | { |
| 3144 | return 0; |
| 3145 | } |
| 3146 | /* This isn't perfect, eg. Win32 returns ERROR_ACCESS_DENIED for |
| 3147 | both permissions errors and if the source is a directory, while |
| 3148 | POSIX wants EACCES and EPERM respectively. |
| 3149 | |
| 3150 | Determined by experimentation on Windows 7 x64 SP1, since MS |
| 3151 | don't document what error codes are returned. |
| 3152 | */ |
| 3153 | switch (GetLastError()) { |
| 3154 | case ERROR_BAD_NET_NAME: |
| 3155 | case ERROR_BAD_NETPATH: |
| 3156 | case ERROR_BAD_PATHNAME: |
| 3157 | case ERROR_FILE_NOT_FOUND: |
| 3158 | case ERROR_FILENAME_EXCED_RANGE: |
| 3159 | case ERROR_INVALID_DRIVE: |
| 3160 | case ERROR_PATH_NOT_FOUND: |
| 3161 | errno = ENOENT; |
| 3162 | break; |
| 3163 | case ERROR_ALREADY_EXISTS: |
| 3164 | errno = EEXIST; |
| 3165 | break; |
| 3166 | case ERROR_ACCESS_DENIED: |
| 3167 | errno = EACCES; |
| 3168 | break; |
| 3169 | case ERROR_NOT_SAME_DEVICE: |
| 3170 | errno = EXDEV; |
| 3171 | break; |
| 3172 | case ERROR_DISK_FULL: |
| 3173 | errno = ENOSPC; |
| 3174 | break; |
| 3175 | case ERROR_NOT_ENOUGH_QUOTA: |
| 3176 | errno = EDQUOT; |
| 3177 | break; |
| 3178 | default: |
| 3179 | /* ERROR_INVALID_FUNCTION - eg. on a FAT volume */ |
| 3180 | errno = EINVAL; |
| 3181 | break; |
| 3182 | } |
| 3183 | return -1; |
| 3184 | } |
| 3185 | |
| 3186 | DllExport int |
| 3187 | win32_rename(const char *oname, const char *newname) |
| 3188 | { |
| 3189 | char szOldName[MAX_PATH+1]; |
| 3190 | BOOL bResult; |
| 3191 | DWORD dwFlags = MOVEFILE_COPY_ALLOWED; |
| 3192 | dTHX; |
| 3193 | |
| 3194 | if (stricmp(newname, oname)) |
| 3195 | dwFlags |= MOVEFILE_REPLACE_EXISTING; |
| 3196 | strcpy(szOldName, PerlDir_mapA(oname)); |
| 3197 | |
| 3198 | bResult = MoveFileExA(szOldName,PerlDir_mapA(newname), dwFlags); |
| 3199 | if (!bResult) { |
| 3200 | DWORD err = GetLastError(); |
| 3201 | switch (err) { |
| 3202 | case ERROR_BAD_NET_NAME: |
| 3203 | case ERROR_BAD_NETPATH: |
| 3204 | case ERROR_BAD_PATHNAME: |
| 3205 | case ERROR_FILE_NOT_FOUND: |
| 3206 | case ERROR_FILENAME_EXCED_RANGE: |
| 3207 | case ERROR_INVALID_DRIVE: |
| 3208 | case ERROR_NO_MORE_FILES: |
| 3209 | case ERROR_PATH_NOT_FOUND: |
| 3210 | errno = ENOENT; |
| 3211 | break; |
| 3212 | case ERROR_DISK_FULL: |
| 3213 | errno = ENOSPC; |
| 3214 | break; |
| 3215 | case ERROR_NOT_ENOUGH_QUOTA: |
| 3216 | errno = EDQUOT; |
| 3217 | break; |
| 3218 | default: |
| 3219 | errno = EACCES; |
| 3220 | break; |
| 3221 | } |
| 3222 | return -1; |
| 3223 | } |
| 3224 | return 0; |
| 3225 | } |
| 3226 | |
| 3227 | DllExport int |
| 3228 | win32_setmode(int fd, int mode) |
| 3229 | { |
| 3230 | return setmode(fd, mode); |
| 3231 | } |
| 3232 | |
| 3233 | DllExport int |
| 3234 | win32_chsize(int fd, Off_t size) |
| 3235 | { |
| 3236 | #if defined(WIN64) || defined(USE_LARGE_FILES) |
| 3237 | int retval = 0; |
| 3238 | Off_t cur, end, extend; |
| 3239 | |
| 3240 | cur = win32_tell(fd); |
| 3241 | if (cur < 0) |
| 3242 | return -1; |
| 3243 | end = win32_lseek(fd, 0, SEEK_END); |
| 3244 | if (end < 0) |
| 3245 | return -1; |
| 3246 | extend = size - end; |
| 3247 | if (extend == 0) { |
| 3248 | /* do nothing */ |
| 3249 | } |
| 3250 | else if (extend > 0) { |
| 3251 | /* must grow the file, padding with nulls */ |
| 3252 | char b[4096]; |
| 3253 | int oldmode = win32_setmode(fd, O_BINARY); |
| 3254 | size_t count; |
| 3255 | memset(b, '\0', sizeof(b)); |
| 3256 | do { |
| 3257 | count = extend >= sizeof(b) ? sizeof(b) : (size_t)extend; |
| 3258 | count = win32_write(fd, b, count); |
| 3259 | if ((int)count < 0) { |
| 3260 | retval = -1; |
| 3261 | break; |
| 3262 | } |
| 3263 | } while ((extend -= count) > 0); |
| 3264 | win32_setmode(fd, oldmode); |
| 3265 | } |
| 3266 | else { |
| 3267 | /* shrink the file */ |
| 3268 | win32_lseek(fd, size, SEEK_SET); |
| 3269 | if (!SetEndOfFile((HANDLE)_get_osfhandle(fd))) { |
| 3270 | errno = EACCES; |
| 3271 | retval = -1; |
| 3272 | } |
| 3273 | } |
| 3274 | win32_lseek(fd, cur, SEEK_SET); |
| 3275 | return retval; |
| 3276 | #else |
| 3277 | return chsize(fd, (long)size); |
| 3278 | #endif |
| 3279 | } |
| 3280 | |
| 3281 | DllExport Off_t |
| 3282 | win32_lseek(int fd, Off_t offset, int origin) |
| 3283 | { |
| 3284 | #if defined(WIN64) || defined(USE_LARGE_FILES) |
| 3285 | return _lseeki64(fd, offset, origin); |
| 3286 | #else |
| 3287 | return lseek(fd, (long)offset, origin); |
| 3288 | #endif |
| 3289 | } |
| 3290 | |
| 3291 | DllExport Off_t |
| 3292 | win32_tell(int fd) |
| 3293 | { |
| 3294 | #if defined(WIN64) || defined(USE_LARGE_FILES) |
| 3295 | return _telli64(fd); |
| 3296 | #else |
| 3297 | return tell(fd); |
| 3298 | #endif |
| 3299 | } |
| 3300 | |
| 3301 | DllExport int |
| 3302 | win32_open(const char *path, int flag, ...) |
| 3303 | { |
| 3304 | dTHXa(NULL); |
| 3305 | va_list ap; |
| 3306 | int pmode; |
| 3307 | |
| 3308 | va_start(ap, flag); |
| 3309 | pmode = va_arg(ap, int); |
| 3310 | va_end(ap); |
| 3311 | |
| 3312 | if (stricmp(path, "/dev/null")==0) |
| 3313 | path = "NUL"; |
| 3314 | |
| 3315 | aTHXa(PERL_GET_THX); |
| 3316 | return open(PerlDir_mapA(path), flag, pmode); |
| 3317 | } |
| 3318 | |
| 3319 | /* close() that understands socket */ |
| 3320 | extern int my_close(int); /* in win32sck.c */ |
| 3321 | |
| 3322 | DllExport int |
| 3323 | win32_close(int fd) |
| 3324 | { |
| 3325 | #ifdef WIN32_NO_SOCKETS |
| 3326 | return close(fd); |
| 3327 | #else |
| 3328 | return my_close(fd); |
| 3329 | #endif |
| 3330 | } |
| 3331 | |
| 3332 | DllExport int |
| 3333 | win32_eof(int fd) |
| 3334 | { |
| 3335 | return eof(fd); |
| 3336 | } |
| 3337 | |
| 3338 | DllExport int |
| 3339 | win32_isatty(int fd) |
| 3340 | { |
| 3341 | /* The Microsoft isatty() function returns true for *all* |
| 3342 | * character mode devices, including "nul". Our implementation |
| 3343 | * should only return true if the handle has a console buffer. |
| 3344 | */ |
| 3345 | DWORD mode; |
| 3346 | HANDLE fh = (HANDLE)_get_osfhandle(fd); |
| 3347 | if (fh == (HANDLE)-1) { |
| 3348 | /* errno is already set to EBADF */ |
| 3349 | return 0; |
| 3350 | } |
| 3351 | |
| 3352 | if (GetConsoleMode(fh, &mode)) |
| 3353 | return 1; |
| 3354 | |
| 3355 | errno = ENOTTY; |
| 3356 | return 0; |
| 3357 | } |
| 3358 | |
| 3359 | DllExport int |
| 3360 | win32_dup(int fd) |
| 3361 | { |
| 3362 | return dup(fd); |
| 3363 | } |
| 3364 | |
| 3365 | DllExport int |
| 3366 | win32_dup2(int fd1,int fd2) |
| 3367 | { |
| 3368 | return dup2(fd1,fd2); |
| 3369 | } |
| 3370 | |
| 3371 | DllExport int |
| 3372 | win32_read(int fd, void *buf, unsigned int cnt) |
| 3373 | { |
| 3374 | return read(fd, buf, cnt); |
| 3375 | } |
| 3376 | |
| 3377 | DllExport int |
| 3378 | win32_write(int fd, const void *buf, unsigned int cnt) |
| 3379 | { |
| 3380 | return write(fd, buf, cnt); |
| 3381 | } |
| 3382 | |
| 3383 | DllExport int |
| 3384 | win32_mkdir(const char *dir, int mode) |
| 3385 | { |
| 3386 | dTHX; |
| 3387 | return mkdir(PerlDir_mapA(dir)); /* just ignore mode */ |
| 3388 | } |
| 3389 | |
| 3390 | DllExport int |
| 3391 | win32_rmdir(const char *dir) |
| 3392 | { |
| 3393 | dTHX; |
| 3394 | return rmdir(PerlDir_mapA(dir)); |
| 3395 | } |
| 3396 | |
| 3397 | DllExport int |
| 3398 | win32_chdir(const char *dir) |
| 3399 | { |
| 3400 | if (!dir || !*dir) { |
| 3401 | errno = ENOENT; |
| 3402 | return -1; |
| 3403 | } |
| 3404 | return chdir(dir); |
| 3405 | } |
| 3406 | |
| 3407 | DllExport int |
| 3408 | win32_access(const char *path, int mode) |
| 3409 | { |
| 3410 | dTHX; |
| 3411 | return access(PerlDir_mapA(path), mode); |
| 3412 | } |
| 3413 | |
| 3414 | DllExport int |
| 3415 | win32_chmod(const char *path, int mode) |
| 3416 | { |
| 3417 | dTHX; |
| 3418 | return chmod(PerlDir_mapA(path), mode); |
| 3419 | } |
| 3420 | |
| 3421 | |
| 3422 | static char * |
| 3423 | create_command_line(char *cname, STRLEN clen, const char * const *args) |
| 3424 | { |
| 3425 | PERL_DEB(dTHX;) |
| 3426 | int index, argc; |
| 3427 | char *cmd, *ptr; |
| 3428 | const char *arg; |
| 3429 | STRLEN len = 0; |
| 3430 | bool bat_file = FALSE; |
| 3431 | bool cmd_shell = FALSE; |
| 3432 | bool dumb_shell = FALSE; |
| 3433 | bool extra_quotes = FALSE; |
| 3434 | bool quote_next = FALSE; |
| 3435 | |
| 3436 | if (!cname) |
| 3437 | cname = (char*)args[0]; |
| 3438 | |
| 3439 | /* The NT cmd.exe shell has the following peculiarity that needs to be |
| 3440 | * worked around. It strips a leading and trailing dquote when any |
| 3441 | * of the following is true: |
| 3442 | * 1. the /S switch was used |
| 3443 | * 2. there are more than two dquotes |
| 3444 | * 3. there is a special character from this set: &<>()@^| |
| 3445 | * 4. no whitespace characters within the two dquotes |
| 3446 | * 5. string between two dquotes isn't an executable file |
| 3447 | * To work around this, we always add a leading and trailing dquote |
| 3448 | * to the string, if the first argument is either "cmd.exe" or "cmd", |
| 3449 | * and there were at least two or more arguments passed to cmd.exe |
| 3450 | * (not including switches). |
| 3451 | * XXX the above rules (from "cmd /?") don't seem to be applied |
| 3452 | * always, making for the convolutions below :-( |
| 3453 | */ |
| 3454 | if (cname) { |
| 3455 | if (!clen) |
| 3456 | clen = strlen(cname); |
| 3457 | |
| 3458 | if (clen > 4 |
| 3459 | && (stricmp(&cname[clen-4], ".bat") == 0 |
| 3460 | || (stricmp(&cname[clen-4], ".cmd") == 0))) |
| 3461 | { |
| 3462 | bat_file = TRUE; |
| 3463 | len += 3; |
| 3464 | } |
| 3465 | else { |
| 3466 | char *exe = strrchr(cname, '/'); |
| 3467 | char *exe2 = strrchr(cname, '\\'); |
| 3468 | if (exe2 > exe) |
| 3469 | exe = exe2; |
| 3470 | if (exe) |
| 3471 | ++exe; |
| 3472 | else |
| 3473 | exe = cname; |
| 3474 | if (stricmp(exe, "cmd.exe") == 0 || stricmp(exe, "cmd") == 0) { |
| 3475 | cmd_shell = TRUE; |
| 3476 | len += 3; |
| 3477 | } |
| 3478 | else if (stricmp(exe, "command.com") == 0 |
| 3479 | || stricmp(exe, "command") == 0) |
| 3480 | { |
| 3481 | dumb_shell = TRUE; |
| 3482 | } |
| 3483 | } |
| 3484 | } |
| 3485 | |
| 3486 | DEBUG_p(PerlIO_printf(Perl_debug_log, "Args ")); |
| 3487 | for (index = 0; (arg = (char*)args[index]) != NULL; ++index) { |
| 3488 | STRLEN curlen = strlen(arg); |
| 3489 | if (!(arg[0] == '"' && arg[curlen-1] == '"')) |
| 3490 | len += 2; /* assume quoting needed (worst case) */ |
| 3491 | len += curlen + 1; |
| 3492 | DEBUG_p(PerlIO_printf(Perl_debug_log, "[%s]",arg)); |
| 3493 | } |
| 3494 | DEBUG_p(PerlIO_printf(Perl_debug_log, "\n")); |
| 3495 | |
| 3496 | argc = index; |
| 3497 | Newx(cmd, len, char); |
| 3498 | ptr = cmd; |
| 3499 | |
| 3500 | if (bat_file) { |
| 3501 | *ptr++ = '"'; |
| 3502 | extra_quotes = TRUE; |
| 3503 | } |
| 3504 | |
| 3505 | for (index = 0; (arg = (char*)args[index]) != NULL; ++index) { |
| 3506 | bool do_quote = 0; |
| 3507 | STRLEN curlen = strlen(arg); |
| 3508 | |
| 3509 | /* we want to protect empty arguments and ones with spaces with |
| 3510 | * dquotes, but only if they aren't already there */ |
| 3511 | if (!dumb_shell) { |
| 3512 | if (!curlen) { |
| 3513 | do_quote = 1; |
| 3514 | } |
| 3515 | else if (quote_next) { |
| 3516 | /* see if it really is multiple arguments pretending to |
| 3517 | * be one and force a set of quotes around it */ |
| 3518 | if (*find_next_space(arg)) |
| 3519 | do_quote = 1; |
| 3520 | } |
| 3521 | else if (!(arg[0] == '"' && curlen > 1 && arg[curlen-1] == '"')) { |
| 3522 | STRLEN i = 0; |
| 3523 | while (i < curlen) { |
| 3524 | if (isSPACE(arg[i])) { |
| 3525 | do_quote = 1; |
| 3526 | } |
| 3527 | else if (arg[i] == '"') { |
| 3528 | do_quote = 0; |
| 3529 | break; |
| 3530 | } |
| 3531 | i++; |
| 3532 | } |
| 3533 | } |
| 3534 | } |
| 3535 | |
| 3536 | if (do_quote) |
| 3537 | *ptr++ = '"'; |
| 3538 | |
| 3539 | strcpy(ptr, arg); |
| 3540 | ptr += curlen; |
| 3541 | |
| 3542 | if (do_quote) |
| 3543 | *ptr++ = '"'; |
| 3544 | |
| 3545 | if (args[index+1]) |
| 3546 | *ptr++ = ' '; |
| 3547 | |
| 3548 | if (!extra_quotes |
| 3549 | && cmd_shell |
| 3550 | && curlen >= 2 |
| 3551 | && *arg == '/' /* see if arg is "/c", "/x/c", "/x/d/c" etc. */ |
| 3552 | && stricmp(arg+curlen-2, "/c") == 0) |
| 3553 | { |
| 3554 | /* is there a next argument? */ |
| 3555 | if (args[index+1]) { |
| 3556 | /* are there two or more next arguments? */ |
| 3557 | if (args[index+2]) { |
| 3558 | *ptr++ = '"'; |
| 3559 | extra_quotes = TRUE; |
| 3560 | } |
| 3561 | else { |
| 3562 | /* single argument, force quoting if it has spaces */ |
| 3563 | quote_next = TRUE; |
| 3564 | } |
| 3565 | } |
| 3566 | } |
| 3567 | } |
| 3568 | |
| 3569 | if (extra_quotes) |
| 3570 | *ptr++ = '"'; |
| 3571 | |
| 3572 | *ptr = '\0'; |
| 3573 | |
| 3574 | return cmd; |
| 3575 | } |
| 3576 | |
| 3577 | static const char *exe_extensions[] = |
| 3578 | { |
| 3579 | ".exe", /* this must be first */ |
| 3580 | ".cmd", |
| 3581 | ".bat" |
| 3582 | }; |
| 3583 | |
| 3584 | static char * |
| 3585 | qualified_path(const char *cmd, bool other_exts) |
| 3586 | { |
| 3587 | char *pathstr; |
| 3588 | char *fullcmd, *curfullcmd; |
| 3589 | STRLEN cmdlen = 0; |
| 3590 | int has_slash = 0; |
| 3591 | |
| 3592 | if (!cmd) |
| 3593 | return NULL; |
| 3594 | fullcmd = (char*)cmd; |
| 3595 | while (*fullcmd) { |
| 3596 | if (*fullcmd == '/' || *fullcmd == '\\') |
| 3597 | has_slash++; |
| 3598 | fullcmd++; |
| 3599 | cmdlen++; |
| 3600 | } |
| 3601 | |
| 3602 | /* look in PATH */ |
| 3603 | { |
| 3604 | dTHX; |
| 3605 | pathstr = PerlEnv_getenv("PATH"); |
| 3606 | } |
| 3607 | /* worst case: PATH is a single directory; we need additional space |
| 3608 | * to append "/", ".exe" and trailing "\0" */ |
| 3609 | Newx(fullcmd, (pathstr ? strlen(pathstr) : 0) + cmdlen + 6, char); |
| 3610 | curfullcmd = fullcmd; |
| 3611 | |
| 3612 | while (1) { |
| 3613 | DWORD res; |
| 3614 | |
| 3615 | /* start by appending the name to the current prefix */ |
| 3616 | strcpy(curfullcmd, cmd); |
| 3617 | curfullcmd += cmdlen; |
| 3618 | |
| 3619 | /* if it doesn't end with '.', or has no extension, try adding |
| 3620 | * a trailing .exe first */ |
| 3621 | if (cmd[cmdlen-1] != '.' |
| 3622 | && (cmdlen < 4 || cmd[cmdlen-4] != '.')) |
| 3623 | { |
| 3624 | int i; |
| 3625 | /* first extension is .exe */ |
| 3626 | int ext_limit = other_exts ? C_ARRAY_LENGTH(exe_extensions) : 1; |
| 3627 | for (i = 0; i < ext_limit; ++i) { |
| 3628 | strcpy(curfullcmd, exe_extensions[i]); |
| 3629 | res = GetFileAttributes(fullcmd); |
| 3630 | if (res != 0xFFFFFFFF && !(res & FILE_ATTRIBUTE_DIRECTORY)) |
| 3631 | return fullcmd; |
| 3632 | } |
| 3633 | |
| 3634 | *curfullcmd = '\0'; |
| 3635 | } |
| 3636 | |
| 3637 | /* that failed, try the bare name */ |
| 3638 | res = GetFileAttributes(fullcmd); |
| 3639 | if (res != 0xFFFFFFFF && !(res & FILE_ATTRIBUTE_DIRECTORY)) |
| 3640 | return fullcmd; |
| 3641 | |
| 3642 | /* quit if no other path exists, or if cmd already has path */ |
| 3643 | if (!pathstr || !*pathstr || has_slash) |
| 3644 | break; |
| 3645 | |
| 3646 | /* skip leading semis */ |
| 3647 | while (*pathstr == ';') |
| 3648 | pathstr++; |
| 3649 | |
| 3650 | /* build a new prefix from scratch */ |
| 3651 | curfullcmd = fullcmd; |
| 3652 | while (*pathstr && *pathstr != ';') { |
| 3653 | if (*pathstr == '"') { /* foo;"baz;etc";bar */ |
| 3654 | pathstr++; /* skip initial '"' */ |
| 3655 | while (*pathstr && *pathstr != '"') { |
| 3656 | *curfullcmd++ = *pathstr++; |
| 3657 | } |
| 3658 | if (*pathstr) |
| 3659 | pathstr++; /* skip trailing '"' */ |
| 3660 | } |
| 3661 | else { |
| 3662 | *curfullcmd++ = *pathstr++; |
| 3663 | } |
| 3664 | } |
| 3665 | if (*pathstr) |
| 3666 | pathstr++; /* skip trailing semi */ |
| 3667 | if (curfullcmd > fullcmd /* append a dir separator */ |
| 3668 | && curfullcmd[-1] != '/' && curfullcmd[-1] != '\\') |
| 3669 | { |
| 3670 | *curfullcmd++ = '\\'; |
| 3671 | } |
| 3672 | } |
| 3673 | |
| 3674 | Safefree(fullcmd); |
| 3675 | return NULL; |
| 3676 | } |
| 3677 | |
| 3678 | /* The following are just place holders. |
| 3679 | * Some hosts may provide and environment that the OS is |
| 3680 | * not tracking, therefore, these host must provide that |
| 3681 | * environment and the current directory to CreateProcess |
| 3682 | */ |
| 3683 | |
| 3684 | DllExport void* |
| 3685 | win32_get_childenv(void) |
| 3686 | { |
| 3687 | return NULL; |
| 3688 | } |
| 3689 | |
| 3690 | DllExport void |
| 3691 | win32_free_childenv(void* d) |
| 3692 | { |
| 3693 | } |
| 3694 | |
| 3695 | DllExport void |
| 3696 | win32_clearenv(void) |
| 3697 | { |
| 3698 | char *envv = GetEnvironmentStrings(); |
| 3699 | char *cur = envv; |
| 3700 | STRLEN len; |
| 3701 | while (*cur) { |
| 3702 | char *end = strchr(cur,'='); |
| 3703 | if (end && end != cur) { |
| 3704 | *end = '\0'; |
| 3705 | SetEnvironmentVariable(cur, NULL); |
| 3706 | *end = '='; |
| 3707 | cur = end + strlen(end+1)+2; |
| 3708 | } |
| 3709 | else if ((len = strlen(cur))) |
| 3710 | cur += len+1; |
| 3711 | } |
| 3712 | FreeEnvironmentStrings(envv); |
| 3713 | } |
| 3714 | |
| 3715 | DllExport char* |
| 3716 | win32_get_childdir(void) |
| 3717 | { |
| 3718 | char* ptr; |
| 3719 | char szfilename[MAX_PATH+1]; |
| 3720 | |
| 3721 | GetCurrentDirectoryA(MAX_PATH+1, szfilename); |
| 3722 | Newx(ptr, strlen(szfilename)+1, char); |
| 3723 | strcpy(ptr, szfilename); |
| 3724 | return ptr; |
| 3725 | } |
| 3726 | |
| 3727 | DllExport void |
| 3728 | win32_free_childdir(char* d) |
| 3729 | { |
| 3730 | Safefree(d); |
| 3731 | } |
| 3732 | |
| 3733 | |
| 3734 | /* XXX this needs to be made more compatible with the spawnvp() |
| 3735 | * provided by the various RTLs. In particular, searching for |
| 3736 | * *.{com,bat,cmd} files (as done by the RTLs) is unimplemented. |
| 3737 | * This doesn't significantly affect perl itself, because we |
| 3738 | * always invoke things using PERL5SHELL if a direct attempt to |
| 3739 | * spawn the executable fails. |
| 3740 | * |
| 3741 | * XXX splitting and rejoining the commandline between do_aspawn() |
| 3742 | * and win32_spawnvp() could also be avoided. |
| 3743 | */ |
| 3744 | |
| 3745 | DllExport int |
| 3746 | win32_spawnvp(int mode, const char *cmdname, const char *const *argv) |
| 3747 | { |
| 3748 | #ifdef USE_RTL_SPAWNVP |
| 3749 | return _spawnvp(mode, cmdname, (char * const *)argv); |
| 3750 | #else |
| 3751 | return do_spawnvp_handles(mode, cmdname, argv, NULL); |
| 3752 | #endif |
| 3753 | } |
| 3754 | |
| 3755 | static int |
| 3756 | do_spawnvp_handles(int mode, const char *cmdname, const char *const *argv, |
| 3757 | const int *handles) { |
| 3758 | dTHXa(NULL); |
| 3759 | int ret; |
| 3760 | void* env; |
| 3761 | char* dir; |
| 3762 | child_IO_table tbl; |
| 3763 | STARTUPINFO StartupInfo; |
| 3764 | PROCESS_INFORMATION ProcessInformation; |
| 3765 | DWORD create = 0; |
| 3766 | char *cmd; |
| 3767 | char *fullcmd = NULL; |
| 3768 | char *cname = (char *)cmdname; |
| 3769 | STRLEN clen = 0; |
| 3770 | |
| 3771 | if (cname) { |
| 3772 | clen = strlen(cname); |
| 3773 | /* if command name contains dquotes, must remove them */ |
| 3774 | if (strchr(cname, '"')) { |
| 3775 | cmd = cname; |
| 3776 | Newx(cname,clen+1,char); |
| 3777 | clen = 0; |
| 3778 | while (*cmd) { |
| 3779 | if (*cmd != '"') { |
| 3780 | cname[clen] = *cmd; |
| 3781 | ++clen; |
| 3782 | } |
| 3783 | ++cmd; |
| 3784 | } |
| 3785 | cname[clen] = '\0'; |
| 3786 | } |
| 3787 | } |
| 3788 | |
| 3789 | cmd = create_command_line(cname, clen, argv); |
| 3790 | |
| 3791 | aTHXa(PERL_GET_THX); |
| 3792 | env = PerlEnv_get_childenv(); |
| 3793 | dir = PerlEnv_get_childdir(); |
| 3794 | |
| 3795 | switch(mode) { |
| 3796 | case P_NOWAIT: /* asynch + remember result */ |
| 3797 | if (w32_num_children >= MAXIMUM_WAIT_OBJECTS) { |
| 3798 | errno = EAGAIN; |
| 3799 | ret = -1; |
| 3800 | goto RETVAL; |
| 3801 | } |
| 3802 | /* Create a new process group so we can use GenerateConsoleCtrlEvent() |
| 3803 | * in win32_kill() |
| 3804 | */ |
| 3805 | create |= CREATE_NEW_PROCESS_GROUP; |
| 3806 | /* FALL THROUGH */ |
| 3807 | |
| 3808 | case P_WAIT: /* synchronous execution */ |
| 3809 | break; |
| 3810 | default: /* invalid mode */ |
| 3811 | errno = EINVAL; |
| 3812 | ret = -1; |
| 3813 | goto RETVAL; |
| 3814 | } |
| 3815 | |
| 3816 | memset(&StartupInfo,0,sizeof(StartupInfo)); |
| 3817 | StartupInfo.cb = sizeof(StartupInfo); |
| 3818 | memset(&tbl,0,sizeof(tbl)); |
| 3819 | PerlEnv_get_child_IO(&tbl); |
| 3820 | StartupInfo.dwFlags = tbl.dwFlags; |
| 3821 | StartupInfo.dwX = tbl.dwX; |
| 3822 | StartupInfo.dwY = tbl.dwY; |
| 3823 | StartupInfo.dwXSize = tbl.dwXSize; |
| 3824 | StartupInfo.dwYSize = tbl.dwYSize; |
| 3825 | StartupInfo.dwXCountChars = tbl.dwXCountChars; |
| 3826 | StartupInfo.dwYCountChars = tbl.dwYCountChars; |
| 3827 | StartupInfo.dwFillAttribute = tbl.dwFillAttribute; |
| 3828 | StartupInfo.wShowWindow = tbl.wShowWindow; |
| 3829 | StartupInfo.hStdInput = handles && handles[0] != -1 ? |
| 3830 | (HANDLE)_get_osfhandle(handles[0]) : tbl.childStdIn; |
| 3831 | StartupInfo.hStdOutput = handles && handles[1] != -1 ? |
| 3832 | (HANDLE)_get_osfhandle(handles[1]) : tbl.childStdOut; |
| 3833 | StartupInfo.hStdError = handles && handles[2] != -1 ? |
| 3834 | (HANDLE)_get_osfhandle(handles[2]) : tbl.childStdErr; |
| 3835 | if (StartupInfo.hStdInput == INVALID_HANDLE_VALUE && |
| 3836 | StartupInfo.hStdOutput == INVALID_HANDLE_VALUE && |
| 3837 | StartupInfo.hStdError == INVALID_HANDLE_VALUE) |
| 3838 | { |
| 3839 | create |= CREATE_NEW_CONSOLE; |
| 3840 | } |
| 3841 | else { |
| 3842 | StartupInfo.dwFlags |= STARTF_USESTDHANDLES; |
| 3843 | } |
| 3844 | if (w32_use_showwindow) { |
| 3845 | StartupInfo.dwFlags |= STARTF_USESHOWWINDOW; |
| 3846 | StartupInfo.wShowWindow = w32_showwindow; |
| 3847 | } |
| 3848 | |
| 3849 | DEBUG_p(PerlIO_printf(Perl_debug_log, "Spawning [%s] with [%s]\n", |
| 3850 | cname,cmd)); |
| 3851 | RETRY: |
| 3852 | if (!CreateProcess(cname, /* search PATH to find executable */ |
| 3853 | cmd, /* executable, and its arguments */ |
| 3854 | NULL, /* process attributes */ |
| 3855 | NULL, /* thread attributes */ |
| 3856 | TRUE, /* inherit handles */ |
| 3857 | create, /* creation flags */ |
| 3858 | (LPVOID)env, /* inherit environment */ |
| 3859 | dir, /* inherit cwd */ |
| 3860 | &StartupInfo, |
| 3861 | &ProcessInformation)) |
| 3862 | { |
| 3863 | /* initial NULL argument to CreateProcess() does a PATH |
| 3864 | * search, but it always first looks in the directory |
| 3865 | * where the current process was started, which behavior |
| 3866 | * is undesirable for backward compatibility. So we |
| 3867 | * jump through our own hoops by picking out the path |
| 3868 | * we really want it to use. */ |
| 3869 | if (!fullcmd) { |
| 3870 | fullcmd = qualified_path(cname, FALSE); |
| 3871 | if (fullcmd) { |
| 3872 | if (cname != cmdname) |
| 3873 | Safefree(cname); |
| 3874 | cname = fullcmd; |
| 3875 | DEBUG_p(PerlIO_printf(Perl_debug_log, |
| 3876 | "Retrying [%s] with same args\n", |
| 3877 | cname)); |
| 3878 | goto RETRY; |
| 3879 | } |
| 3880 | } |
| 3881 | errno = ENOENT; |
| 3882 | ret = -1; |
| 3883 | goto RETVAL; |
| 3884 | } |
| 3885 | |
| 3886 | if (mode == P_NOWAIT) { |
| 3887 | /* asynchronous spawn -- store handle, return PID */ |
| 3888 | ret = (int)ProcessInformation.dwProcessId; |
| 3889 | |
| 3890 | w32_child_handles[w32_num_children] = ProcessInformation.hProcess; |
| 3891 | w32_child_pids[w32_num_children] = (DWORD)ret; |
| 3892 | ++w32_num_children; |
| 3893 | } |
| 3894 | else { |
| 3895 | DWORD status; |
| 3896 | win32_msgwait(aTHX_ 1, &ProcessInformation.hProcess, INFINITE, NULL); |
| 3897 | /* FIXME: if msgwait returned due to message perhaps forward the |
| 3898 | "signal" to the process |
| 3899 | */ |
| 3900 | GetExitCodeProcess(ProcessInformation.hProcess, &status); |
| 3901 | ret = (int)status; |
| 3902 | CloseHandle(ProcessInformation.hProcess); |
| 3903 | } |
| 3904 | |
| 3905 | CloseHandle(ProcessInformation.hThread); |
| 3906 | |
| 3907 | RETVAL: |
| 3908 | PerlEnv_free_childenv(env); |
| 3909 | PerlEnv_free_childdir(dir); |
| 3910 | Safefree(cmd); |
| 3911 | if (cname != cmdname) |
| 3912 | Safefree(cname); |
| 3913 | return ret; |
| 3914 | } |
| 3915 | |
| 3916 | DllExport int |
| 3917 | win32_execv(const char *cmdname, const char *const *argv) |
| 3918 | { |
| 3919 | #ifdef USE_ITHREADS |
| 3920 | dTHX; |
| 3921 | /* if this is a pseudo-forked child, we just want to spawn |
| 3922 | * the new program, and return */ |
| 3923 | if (w32_pseudo_id) |
| 3924 | return _spawnv(P_WAIT, cmdname, argv); |
| 3925 | #endif |
| 3926 | return _execv(cmdname, argv); |
| 3927 | } |
| 3928 | |
| 3929 | DllExport int |
| 3930 | win32_execvp(const char *cmdname, const char *const *argv) |
| 3931 | { |
| 3932 | #ifdef USE_ITHREADS |
| 3933 | dTHX; |
| 3934 | /* if this is a pseudo-forked child, we just want to spawn |
| 3935 | * the new program, and return */ |
| 3936 | if (w32_pseudo_id) { |
| 3937 | int status = win32_spawnvp(P_WAIT, cmdname, (const char *const *)argv); |
| 3938 | if (status != -1) { |
| 3939 | my_exit(status); |
| 3940 | return 0; |
| 3941 | } |
| 3942 | else |
| 3943 | return status; |
| 3944 | } |
| 3945 | #endif |
| 3946 | return _execvp(cmdname, argv); |
| 3947 | } |
| 3948 | |
| 3949 | DllExport void |
| 3950 | win32_perror(const char *str) |
| 3951 | { |
| 3952 | perror(str); |
| 3953 | } |
| 3954 | |
| 3955 | DllExport void |
| 3956 | win32_setbuf(FILE *pf, char *buf) |
| 3957 | { |
| 3958 | setbuf(pf, buf); |
| 3959 | } |
| 3960 | |
| 3961 | DllExport int |
| 3962 | win32_setvbuf(FILE *pf, char *buf, int type, size_t size) |
| 3963 | { |
| 3964 | return setvbuf(pf, buf, type, size); |
| 3965 | } |
| 3966 | |
| 3967 | DllExport int |
| 3968 | win32_flushall(void) |
| 3969 | { |
| 3970 | return flushall(); |
| 3971 | } |
| 3972 | |
| 3973 | DllExport int |
| 3974 | win32_fcloseall(void) |
| 3975 | { |
| 3976 | return fcloseall(); |
| 3977 | } |
| 3978 | |
| 3979 | DllExport char* |
| 3980 | win32_fgets(char *s, int n, FILE *pf) |
| 3981 | { |
| 3982 | return fgets(s, n, pf); |
| 3983 | } |
| 3984 | |
| 3985 | DllExport char* |
| 3986 | win32_gets(char *s) |
| 3987 | { |
| 3988 | return gets(s); |
| 3989 | } |
| 3990 | |
| 3991 | DllExport int |
| 3992 | win32_fgetc(FILE *pf) |
| 3993 | { |
| 3994 | return fgetc(pf); |
| 3995 | } |
| 3996 | |
| 3997 | DllExport int |
| 3998 | win32_putc(int c, FILE *pf) |
| 3999 | { |
| 4000 | return putc(c,pf); |
| 4001 | } |
| 4002 | |
| 4003 | DllExport int |
| 4004 | win32_puts(const char *s) |
| 4005 | { |
| 4006 | return puts(s); |
| 4007 | } |
| 4008 | |
| 4009 | DllExport int |
| 4010 | win32_getchar(void) |
| 4011 | { |
| 4012 | return getchar(); |
| 4013 | } |
| 4014 | |
| 4015 | DllExport int |
| 4016 | win32_putchar(int c) |
| 4017 | { |
| 4018 | return putchar(c); |
| 4019 | } |
| 4020 | |
| 4021 | #ifdef MYMALLOC |
| 4022 | |
| 4023 | #ifndef USE_PERL_SBRK |
| 4024 | |
| 4025 | static char *committed = NULL; /* XXX threadead */ |
| 4026 | static char *base = NULL; /* XXX threadead */ |
| 4027 | static char *reserved = NULL; /* XXX threadead */ |
| 4028 | static char *brk = NULL; /* XXX threadead */ |
| 4029 | static DWORD pagesize = 0; /* XXX threadead */ |
| 4030 | |
| 4031 | void * |
| 4032 | sbrk(ptrdiff_t need) |
| 4033 | { |
| 4034 | void *result; |
| 4035 | if (!pagesize) |
| 4036 | {SYSTEM_INFO info; |
| 4037 | GetSystemInfo(&info); |
| 4038 | /* Pretend page size is larger so we don't perpetually |
| 4039 | * call the OS to commit just one page ... |
| 4040 | */ |
| 4041 | pagesize = info.dwPageSize << 3; |
| 4042 | } |
| 4043 | if (brk+need >= reserved) |
| 4044 | { |
| 4045 | DWORD size = brk+need-reserved; |
| 4046 | char *addr; |
| 4047 | char *prev_committed = NULL; |
| 4048 | if (committed && reserved && committed < reserved) |
| 4049 | { |
| 4050 | /* Commit last of previous chunk cannot span allocations */ |
| 4051 | addr = (char *) VirtualAlloc(committed,reserved-committed,MEM_COMMIT,PAGE_READWRITE); |
| 4052 | if (addr) |
| 4053 | { |
| 4054 | /* Remember where we committed from in case we want to decommit later */ |
| 4055 | prev_committed = committed; |
| 4056 | committed = reserved; |
| 4057 | } |
| 4058 | } |
| 4059 | /* Reserve some (more) space |
| 4060 | * Contiguous blocks give us greater efficiency, so reserve big blocks - |
| 4061 | * this is only address space not memory... |
| 4062 | * Note this is a little sneaky, 1st call passes NULL as reserved |
| 4063 | * so lets system choose where we start, subsequent calls pass |
| 4064 | * the old end address so ask for a contiguous block |
| 4065 | */ |
| 4066 | sbrk_reserve: |
| 4067 | if (size < 64*1024*1024) |
| 4068 | size = 64*1024*1024; |
| 4069 | size = ((size + pagesize - 1) / pagesize) * pagesize; |
| 4070 | addr = (char *) VirtualAlloc(reserved,size,MEM_RESERVE,PAGE_NOACCESS); |
| 4071 | if (addr) |
| 4072 | { |
| 4073 | reserved = addr+size; |
| 4074 | if (!base) |
| 4075 | base = addr; |
| 4076 | if (!committed) |
| 4077 | committed = base; |
| 4078 | if (!brk) |
| 4079 | brk = committed; |
| 4080 | } |
| 4081 | else if (reserved) |
| 4082 | { |
| 4083 | /* The existing block could not be extended far enough, so decommit |
| 4084 | * anything that was just committed above and start anew */ |
| 4085 | if (prev_committed) |
| 4086 | { |
| 4087 | if (!VirtualFree(prev_committed,reserved-prev_committed,MEM_DECOMMIT)) |
| 4088 | return (void *) -1; |
| 4089 | } |
| 4090 | reserved = base = committed = brk = NULL; |
| 4091 | size = need; |
| 4092 | goto sbrk_reserve; |
| 4093 | } |
| 4094 | else |
| 4095 | { |
| 4096 | return (void *) -1; |
| 4097 | } |
| 4098 | } |
| 4099 | result = brk; |
| 4100 | brk += need; |
| 4101 | if (brk > committed) |
| 4102 | { |
| 4103 | DWORD size = ((brk-committed + pagesize -1)/pagesize) * pagesize; |
| 4104 | char *addr; |
| 4105 | if (committed+size > reserved) |
| 4106 | size = reserved-committed; |
| 4107 | addr = (char *) VirtualAlloc(committed,size,MEM_COMMIT,PAGE_READWRITE); |
| 4108 | if (addr) |
| 4109 | committed += size; |
| 4110 | else |
| 4111 | return (void *) -1; |
| 4112 | } |
| 4113 | return result; |
| 4114 | } |
| 4115 | |
| 4116 | #endif |
| 4117 | #endif |
| 4118 | |
| 4119 | DllExport void* |
| 4120 | win32_malloc(size_t size) |
| 4121 | { |
| 4122 | return malloc(size); |
| 4123 | } |
| 4124 | |
| 4125 | DllExport void* |
| 4126 | win32_calloc(size_t numitems, size_t size) |
| 4127 | { |
| 4128 | return calloc(numitems,size); |
| 4129 | } |
| 4130 | |
| 4131 | DllExport void* |
| 4132 | win32_realloc(void *block, size_t size) |
| 4133 | { |
| 4134 | return realloc(block,size); |
| 4135 | } |
| 4136 | |
| 4137 | DllExport void |
| 4138 | win32_free(void *block) |
| 4139 | { |
| 4140 | free(block); |
| 4141 | } |
| 4142 | |
| 4143 | |
| 4144 | DllExport int |
| 4145 | win32_open_osfhandle(intptr_t handle, int flags) |
| 4146 | { |
| 4147 | return _open_osfhandle(handle, flags); |
| 4148 | } |
| 4149 | |
| 4150 | DllExport intptr_t |
| 4151 | win32_get_osfhandle(int fd) |
| 4152 | { |
| 4153 | return (intptr_t)_get_osfhandle(fd); |
| 4154 | } |
| 4155 | |
| 4156 | DllExport FILE * |
| 4157 | win32_fdupopen(FILE *pf) |
| 4158 | { |
| 4159 | FILE* pfdup; |
| 4160 | fpos_t pos; |
| 4161 | char mode[3]; |
| 4162 | int fileno = win32_dup(win32_fileno(pf)); |
| 4163 | |
| 4164 | /* open the file in the same mode */ |
| 4165 | if (PERLIO_FILE_flag(pf) & PERLIO_FILE_flag_RD) { |
| 4166 | mode[0] = 'r'; |
| 4167 | mode[1] = 0; |
| 4168 | } |
| 4169 | else if (PERLIO_FILE_flag(pf) & PERLIO_FILE_flag_WR) { |
| 4170 | mode[0] = 'a'; |
| 4171 | mode[1] = 0; |
| 4172 | } |
| 4173 | else if (PERLIO_FILE_flag(pf) & PERLIO_FILE_flag_RW) { |
| 4174 | mode[0] = 'r'; |
| 4175 | mode[1] = '+'; |
| 4176 | mode[2] = 0; |
| 4177 | } |
| 4178 | |
| 4179 | /* it appears that the binmode is attached to the |
| 4180 | * file descriptor so binmode files will be handled |
| 4181 | * correctly |
| 4182 | */ |
| 4183 | pfdup = win32_fdopen(fileno, mode); |
| 4184 | |
| 4185 | /* move the file pointer to the same position */ |
| 4186 | if (!fgetpos(pf, &pos)) { |
| 4187 | fsetpos(pfdup, &pos); |
| 4188 | } |
| 4189 | return pfdup; |
| 4190 | } |
| 4191 | |
| 4192 | DllExport void* |
| 4193 | win32_dynaload(const char* filename) |
| 4194 | { |
| 4195 | dTHXa(NULL); |
| 4196 | char buf[MAX_PATH+1]; |
| 4197 | const char *first; |
| 4198 | |
| 4199 | /* LoadLibrary() doesn't recognize forward slashes correctly, |
| 4200 | * so turn 'em back. */ |
| 4201 | first = strchr(filename, '/'); |
| 4202 | if (first) { |
| 4203 | STRLEN len = strlen(filename); |
| 4204 | if (len <= MAX_PATH) { |
| 4205 | strcpy(buf, filename); |
| 4206 | filename = &buf[first - filename]; |
| 4207 | while (*filename) { |
| 4208 | if (*filename == '/') |
| 4209 | *(char*)filename = '\\'; |
| 4210 | ++filename; |
| 4211 | } |
| 4212 | filename = buf; |
| 4213 | } |
| 4214 | } |
| 4215 | aTHXa(PERL_GET_THX); |
| 4216 | return LoadLibraryExA(PerlDir_mapA(filename), NULL, LOAD_WITH_ALTERED_SEARCH_PATH); |
| 4217 | } |
| 4218 | |
| 4219 | XS(w32_SetChildShowWindow) |
| 4220 | { |
| 4221 | dXSARGS; |
| 4222 | BOOL use_showwindow = w32_use_showwindow; |
| 4223 | /* use "unsigned short" because Perl has redefined "WORD" */ |
| 4224 | unsigned short showwindow = w32_showwindow; |
| 4225 | |
| 4226 | if (items > 1) |
| 4227 | croak_xs_usage(cv, "[showwindow]"); |
| 4228 | |
| 4229 | if (items == 0 || !SvOK(ST(0))) |
| 4230 | w32_use_showwindow = FALSE; |
| 4231 | else { |
| 4232 | w32_use_showwindow = TRUE; |
| 4233 | w32_showwindow = (unsigned short)SvIV(ST(0)); |
| 4234 | } |
| 4235 | |
| 4236 | EXTEND(SP, 1); |
| 4237 | if (use_showwindow) |
| 4238 | ST(0) = sv_2mortal(newSViv(showwindow)); |
| 4239 | else |
| 4240 | ST(0) = &PL_sv_undef; |
| 4241 | XSRETURN(1); |
| 4242 | } |
| 4243 | |
| 4244 | |
| 4245 | #ifdef PERL_IS_MINIPERL |
| 4246 | /* shelling out is much slower, full perl uses Win32.pm */ |
| 4247 | XS(w32_GetCwd) |
| 4248 | { |
| 4249 | dXSARGS; |
| 4250 | /* Make the host for current directory */ |
| 4251 | char* ptr = PerlEnv_get_childdir(); |
| 4252 | /* |
| 4253 | * If ptr != Nullch |
| 4254 | * then it worked, set PV valid, |
| 4255 | * else return 'undef' |
| 4256 | */ |
| 4257 | if (ptr) { |
| 4258 | SV *sv = sv_newmortal(); |
| 4259 | sv_setpv(sv, ptr); |
| 4260 | PerlEnv_free_childdir(ptr); |
| 4261 | |
| 4262 | #ifndef INCOMPLETE_TAINTS |
| 4263 | SvTAINTED_on(sv); |
| 4264 | #endif |
| 4265 | |
| 4266 | ST(0) = sv; |
| 4267 | XSRETURN(1); |
| 4268 | } |
| 4269 | XSRETURN_UNDEF; |
| 4270 | } |
| 4271 | #endif |
| 4272 | |
| 4273 | void |
| 4274 | Perl_init_os_extras(void) |
| 4275 | { |
| 4276 | dTHXa(NULL); |
| 4277 | char *file = __FILE__; |
| 4278 | |
| 4279 | /* Initialize Win32CORE if it has been statically linked. */ |
| 4280 | #ifndef PERL_IS_MINIPERL |
| 4281 | void (*pfn_init)(pTHX); |
| 4282 | HMODULE module = (HMODULE)((w32_perldll_handle == INVALID_HANDLE_VALUE) |
| 4283 | ? GetModuleHandle(NULL) |
| 4284 | : w32_perldll_handle); |
| 4285 | pfn_init = (void (*)(pTHX))GetProcAddress(module, "init_Win32CORE"); |
| 4286 | aTHXa(PERL_GET_THX); |
| 4287 | if (pfn_init) |
| 4288 | pfn_init(aTHX); |
| 4289 | #else |
| 4290 | aTHXa(PERL_GET_THX); |
| 4291 | #endif |
| 4292 | |
| 4293 | newXS("Win32::SetChildShowWindow", w32_SetChildShowWindow, file); |
| 4294 | #ifdef PERL_IS_MINIPERL |
| 4295 | newXS("Win32::GetCwd", w32_GetCwd, file); |
| 4296 | #endif |
| 4297 | } |
| 4298 | |
| 4299 | void * |
| 4300 | win32_signal_context(void) |
| 4301 | { |
| 4302 | dTHX; |
| 4303 | #ifdef MULTIPLICITY |
| 4304 | if (!my_perl) { |
| 4305 | my_perl = PL_curinterp; |
| 4306 | PERL_SET_THX(my_perl); |
| 4307 | } |
| 4308 | return my_perl; |
| 4309 | #else |
| 4310 | return PL_curinterp; |
| 4311 | #endif |
| 4312 | } |
| 4313 | |
| 4314 | |
| 4315 | BOOL WINAPI |
| 4316 | win32_ctrlhandler(DWORD dwCtrlType) |
| 4317 | { |
| 4318 | #ifdef MULTIPLICITY |
| 4319 | dTHXa(PERL_GET_SIG_CONTEXT); |
| 4320 | |
| 4321 | if (!my_perl) |
| 4322 | return FALSE; |
| 4323 | #endif |
| 4324 | |
| 4325 | switch(dwCtrlType) { |
| 4326 | case CTRL_CLOSE_EVENT: |
| 4327 | /* A signal that the system sends to all processes attached to a console when |
| 4328 | the user closes the console (either by choosing the Close command from the |
| 4329 | console window's System menu, or by choosing the End Task command from the |
| 4330 | Task List |
| 4331 | */ |
| 4332 | if (do_raise(aTHX_ 1)) /* SIGHUP */ |
| 4333 | sig_terminate(aTHX_ 1); |
| 4334 | return TRUE; |
| 4335 | |
| 4336 | case CTRL_C_EVENT: |
| 4337 | /* A CTRL+c signal was received */ |
| 4338 | if (do_raise(aTHX_ SIGINT)) |
| 4339 | sig_terminate(aTHX_ SIGINT); |
| 4340 | return TRUE; |
| 4341 | |
| 4342 | case CTRL_BREAK_EVENT: |
| 4343 | /* A CTRL+BREAK signal was received */ |
| 4344 | if (do_raise(aTHX_ SIGBREAK)) |
| 4345 | sig_terminate(aTHX_ SIGBREAK); |
| 4346 | return TRUE; |
| 4347 | |
| 4348 | case CTRL_LOGOFF_EVENT: |
| 4349 | /* A signal that the system sends to all console processes when a user is logging |
| 4350 | off. This signal does not indicate which user is logging off, so no |
| 4351 | assumptions can be made. |
| 4352 | */ |
| 4353 | break; |
| 4354 | case CTRL_SHUTDOWN_EVENT: |
| 4355 | /* A signal that the system sends to all console processes when the system is |
| 4356 | shutting down. |
| 4357 | */ |
| 4358 | if (do_raise(aTHX_ SIGTERM)) |
| 4359 | sig_terminate(aTHX_ SIGTERM); |
| 4360 | return TRUE; |
| 4361 | default: |
| 4362 | break; |
| 4363 | } |
| 4364 | return FALSE; |
| 4365 | } |
| 4366 | |
| 4367 | |
| 4368 | #ifdef SET_INVALID_PARAMETER_HANDLER |
| 4369 | # include <crtdbg.h> |
| 4370 | #endif |
| 4371 | |
| 4372 | static void |
| 4373 | ansify_path(void) |
| 4374 | { |
| 4375 | size_t len; |
| 4376 | char *ansi_path; |
| 4377 | WCHAR *wide_path; |
| 4378 | WCHAR *wide_dir; |
| 4379 | |
| 4380 | /* fetch Unicode version of PATH */ |
| 4381 | len = 2000; |
| 4382 | wide_path = (WCHAR*)win32_malloc(len*sizeof(WCHAR)); |
| 4383 | while (wide_path) { |
| 4384 | size_t newlen = GetEnvironmentVariableW(L"PATH", wide_path, len); |
| 4385 | if (newlen == 0) { |
| 4386 | win32_free(wide_path); |
| 4387 | return; |
| 4388 | } |
| 4389 | if (newlen < len) |
| 4390 | break; |
| 4391 | len = newlen; |
| 4392 | wide_path = (WCHAR*)win32_realloc(wide_path, len*sizeof(WCHAR)); |
| 4393 | } |
| 4394 | if (!wide_path) |
| 4395 | return; |
| 4396 | |
| 4397 | /* convert to ANSI pathnames */ |
| 4398 | wide_dir = wide_path; |
| 4399 | ansi_path = NULL; |
| 4400 | while (wide_dir) { |
| 4401 | WCHAR *sep = wcschr(wide_dir, ';'); |
| 4402 | char *ansi_dir; |
| 4403 | size_t ansi_len; |
| 4404 | size_t wide_len; |
| 4405 | |
| 4406 | if (sep) |
| 4407 | *sep++ = '\0'; |
| 4408 | |
| 4409 | /* remove quotes around pathname */ |
| 4410 | if (*wide_dir == '"') |
| 4411 | ++wide_dir; |
| 4412 | wide_len = wcslen(wide_dir); |
| 4413 | if (wide_len && wide_dir[wide_len-1] == '"') |
| 4414 | wide_dir[wide_len-1] = '\0'; |
| 4415 | |
| 4416 | /* append ansi_dir to ansi_path */ |
| 4417 | ansi_dir = win32_ansipath(wide_dir); |
| 4418 | ansi_len = strlen(ansi_dir); |
| 4419 | if (ansi_path) { |
| 4420 | size_t newlen = len + 1 + ansi_len; |
| 4421 | ansi_path = (char*)win32_realloc(ansi_path, newlen+1); |
| 4422 | if (!ansi_path) |
| 4423 | break; |
| 4424 | ansi_path[len] = ';'; |
| 4425 | memcpy(ansi_path+len+1, ansi_dir, ansi_len+1); |
| 4426 | len = newlen; |
| 4427 | } |
| 4428 | else { |
| 4429 | len = ansi_len; |
| 4430 | ansi_path = (char*)win32_malloc(5+len+1); |
| 4431 | if (!ansi_path) |
| 4432 | break; |
| 4433 | memcpy(ansi_path, "PATH=", 5); |
| 4434 | memcpy(ansi_path+5, ansi_dir, len+1); |
| 4435 | len += 5; |
| 4436 | } |
| 4437 | win32_free(ansi_dir); |
| 4438 | wide_dir = sep; |
| 4439 | } |
| 4440 | |
| 4441 | if (ansi_path) { |
| 4442 | /* Update C RTL environ array. This will only have full effect if |
| 4443 | * perl_parse() is later called with `environ` as the `env` argument. |
| 4444 | * Otherwise S_init_postdump_symbols() will overwrite PATH again. |
| 4445 | * |
| 4446 | * We do have to ansify() the PATH before Perl has been fully |
| 4447 | * initialized because S_find_script() uses the PATH when perl |
| 4448 | * is being invoked with the -S option. This happens before %ENV |
| 4449 | * is initialized in S_init_postdump_symbols(). |
| 4450 | * |
| 4451 | * XXX Is this a bug? Should S_find_script() use the environment |
| 4452 | * XXX passed in the `env` arg to parse_perl()? |
| 4453 | */ |
| 4454 | putenv(ansi_path); |
| 4455 | /* Keep system environment in sync because S_init_postdump_symbols() |
| 4456 | * will not call mg_set() if it initializes %ENV from `environ`. |
| 4457 | */ |
| 4458 | SetEnvironmentVariableA("PATH", ansi_path+5); |
| 4459 | win32_free(ansi_path); |
| 4460 | } |
| 4461 | win32_free(wide_path); |
| 4462 | } |
| 4463 | |
| 4464 | void |
| 4465 | Perl_win32_init(int *argcp, char ***argvp) |
| 4466 | { |
| 4467 | #ifdef SET_INVALID_PARAMETER_HANDLER |
| 4468 | _invalid_parameter_handler oldHandler, newHandler; |
| 4469 | newHandler = my_invalid_parameter_handler; |
| 4470 | oldHandler = _set_invalid_parameter_handler(newHandler); |
| 4471 | _CrtSetReportMode(_CRT_ASSERT, 0); |
| 4472 | #endif |
| 4473 | /* Disable floating point errors, Perl will trap the ones we |
| 4474 | * care about. VC++ RTL defaults to switching these off |
| 4475 | * already, but some RTLs don't. Since we don't |
| 4476 | * want to be at the vendor's whim on the default, we set |
| 4477 | * it explicitly here. |
| 4478 | */ |
| 4479 | #if !defined(__GNUC__) |
| 4480 | _control87(MCW_EM, MCW_EM); |
| 4481 | #endif |
| 4482 | MALLOC_INIT; |
| 4483 | |
| 4484 | /* When the manifest resource requests Common-Controls v6 then |
| 4485 | * user32.dll no longer registers all the Windows classes used for |
| 4486 | * standard controls but leaves some of them to be registered by |
| 4487 | * comctl32.dll. InitCommonControls() doesn't do anything but calling |
| 4488 | * it makes sure comctl32.dll gets loaded into the process and registers |
| 4489 | * the standard control classes. Without this even normal Windows APIs |
| 4490 | * like MessageBox() can fail under some versions of Windows XP. |
| 4491 | */ |
| 4492 | InitCommonControls(); |
| 4493 | |
| 4494 | g_osver.dwOSVersionInfoSize = sizeof(g_osver); |
| 4495 | GetVersionEx(&g_osver); |
| 4496 | |
| 4497 | #ifdef WIN32_DYN_IOINFO_SIZE |
| 4498 | { |
| 4499 | Size_t ioinfo_size = _msize((void*)__pioinfo[0]);; |
| 4500 | if((SSize_t)ioinfo_size <= 0) { /* -1 is err */ |
| 4501 | fprintf(stderr, "panic: invalid size for ioinfo\n"); /* no interp */ |
| 4502 | exit(1); |
| 4503 | } |
| 4504 | ioinfo_size /= IOINFO_ARRAY_ELTS; |
| 4505 | w32_ioinfo_size = ioinfo_size; |
| 4506 | } |
| 4507 | #endif |
| 4508 | |
| 4509 | ansify_path(); |
| 4510 | |
| 4511 | #ifndef WIN32_NO_REGISTRY |
| 4512 | { |
| 4513 | LONG retval; |
| 4514 | retval = RegOpenKeyExW(HKEY_CURRENT_USER, L"SOFTWARE\\Perl", 0, KEY_READ, &HKCU_Perl_hnd); |
| 4515 | if (retval != ERROR_SUCCESS) { |
| 4516 | HKCU_Perl_hnd = NULL; |
| 4517 | } |
| 4518 | retval = RegOpenKeyExW(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Perl", 0, KEY_READ, &HKLM_Perl_hnd); |
| 4519 | if (retval != ERROR_SUCCESS) { |
| 4520 | HKLM_Perl_hnd = NULL; |
| 4521 | } |
| 4522 | } |
| 4523 | #endif |
| 4524 | } |
| 4525 | |
| 4526 | void |
| 4527 | Perl_win32_term(void) |
| 4528 | { |
| 4529 | HINTS_REFCNT_TERM; |
| 4530 | OP_REFCNT_TERM; |
| 4531 | PERLIO_TERM; |
| 4532 | MALLOC_TERM; |
| 4533 | LOCALE_TERM; |
| 4534 | #ifndef WIN32_NO_REGISTRY |
| 4535 | /* handles might be NULL, RegCloseKey then returns ERROR_INVALID_HANDLE |
| 4536 | but no point of checking and we can't die() at this point */ |
| 4537 | RegCloseKey(HKLM_Perl_hnd); |
| 4538 | RegCloseKey(HKCU_Perl_hnd); |
| 4539 | /* the handles are in an undefined state until the next PERL_SYS_INIT3 */ |
| 4540 | #endif |
| 4541 | } |
| 4542 | |
| 4543 | void |
| 4544 | win32_get_child_IO(child_IO_table* ptbl) |
| 4545 | { |
| 4546 | ptbl->childStdIn = GetStdHandle(STD_INPUT_HANDLE); |
| 4547 | ptbl->childStdOut = GetStdHandle(STD_OUTPUT_HANDLE); |
| 4548 | ptbl->childStdErr = GetStdHandle(STD_ERROR_HANDLE); |
| 4549 | } |
| 4550 | |
| 4551 | Sighandler_t |
| 4552 | win32_signal(int sig, Sighandler_t subcode) |
| 4553 | { |
| 4554 | dTHXa(NULL); |
| 4555 | if (sig < SIG_SIZE) { |
| 4556 | int save_errno = errno; |
| 4557 | Sighandler_t result; |
| 4558 | #ifdef SET_INVALID_PARAMETER_HANDLER |
| 4559 | /* Silence our invalid parameter handler since we expect to make some |
| 4560 | * calls with invalid signal numbers giving a SIG_ERR result. */ |
| 4561 | BOOL oldvalue = set_silent_invalid_parameter_handler(TRUE); |
| 4562 | #endif |
| 4563 | result = signal(sig, subcode); |
| 4564 | #ifdef SET_INVALID_PARAMETER_HANDLER |
| 4565 | set_silent_invalid_parameter_handler(oldvalue); |
| 4566 | #endif |
| 4567 | aTHXa(PERL_GET_THX); |
| 4568 | if (result == SIG_ERR) { |
| 4569 | result = w32_sighandler[sig]; |
| 4570 | errno = save_errno; |
| 4571 | } |
| 4572 | w32_sighandler[sig] = subcode; |
| 4573 | return result; |
| 4574 | } |
| 4575 | else { |
| 4576 | errno = EINVAL; |
| 4577 | return SIG_ERR; |
| 4578 | } |
| 4579 | } |
| 4580 | |
| 4581 | /* The PerlMessageWindowClass's WindowProc */ |
| 4582 | LRESULT CALLBACK |
| 4583 | win32_message_window_proc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) |
| 4584 | { |
| 4585 | return win32_process_message(hwnd, msg, wParam, lParam) ? |
| 4586 | 0 : DefWindowProc(hwnd, msg, wParam, lParam); |
| 4587 | } |
| 4588 | |
| 4589 | /* The real message handler. Can be called with |
| 4590 | * hwnd == NULL to process our thread messages. Returns TRUE for any messages |
| 4591 | * that it processes */ |
| 4592 | static LRESULT |
| 4593 | win32_process_message(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) |
| 4594 | { |
| 4595 | /* BEWARE. The context retrieved using dTHX; is the context of the |
| 4596 | * 'parent' thread during the CreateWindow() phase - i.e. for all messages |
| 4597 | * up to and including WM_CREATE. If it ever happens that you need the |
| 4598 | * 'child' context before this, then it needs to be passed into |
| 4599 | * win32_create_message_window(), and passed to the WM_NCCREATE handler |
| 4600 | * from the lparam of CreateWindow(). It could then be stored/retrieved |
| 4601 | * using [GS]etWindowLongPtr(... GWLP_USERDATA ...), possibly eliminating |
| 4602 | * the dTHX calls here. */ |
| 4603 | /* XXX For now it is assumed that the overhead of the dTHX; for what |
| 4604 | * are relativley infrequent code-paths, is better than the added |
| 4605 | * complexity of getting the correct context passed into |
| 4606 | * win32_create_message_window() */ |
| 4607 | dTHX; |
| 4608 | |
| 4609 | switch(msg) { |
| 4610 | |
| 4611 | #ifdef USE_ITHREADS |
| 4612 | case WM_USER_MESSAGE: { |
| 4613 | long child = find_pseudo_pid(aTHX_ (int)wParam); |
| 4614 | if (child >= 0) { |
| 4615 | w32_pseudo_child_message_hwnds[child] = (HWND)lParam; |
| 4616 | return 1; |
| 4617 | } |
| 4618 | break; |
| 4619 | } |
| 4620 | #endif |
| 4621 | |
| 4622 | case WM_USER_KILL: { |
| 4623 | /* We use WM_USER_KILL to fake kill() with other signals */ |
| 4624 | int sig = (int)wParam; |
| 4625 | if (do_raise(aTHX_ sig)) |
| 4626 | sig_terminate(aTHX_ sig); |
| 4627 | |
| 4628 | return 1; |
| 4629 | } |
| 4630 | |
| 4631 | case WM_TIMER: { |
| 4632 | /* alarm() is a one-shot but SetTimer() repeats so kill it */ |
| 4633 | if (w32_timerid && w32_timerid==(UINT)wParam) { |
| 4634 | KillTimer(w32_message_hwnd, w32_timerid); |
| 4635 | w32_timerid=0; |
| 4636 | |
| 4637 | /* Now fake a call to signal handler */ |
| 4638 | if (do_raise(aTHX_ 14)) |
| 4639 | sig_terminate(aTHX_ 14); |
| 4640 | |
| 4641 | return 1; |
| 4642 | } |
| 4643 | break; |
| 4644 | } |
| 4645 | |
| 4646 | default: |
| 4647 | break; |
| 4648 | |
| 4649 | } /* switch */ |
| 4650 | |
| 4651 | /* Above or other stuff may have set a signal flag, and we may not have |
| 4652 | * been called from win32_async_check() (e.g. some other GUI's message |
| 4653 | * loop. BUT DON'T dispatch signals here: If someone has set a SIGALRM |
| 4654 | * handler that die's, and the message loop that calls here is wrapped |
| 4655 | * in an eval, then you may well end up with orphaned windows - signals |
| 4656 | * are dispatched by win32_async_check() */ |
| 4657 | |
| 4658 | return 0; |
| 4659 | } |
| 4660 | |
| 4661 | void |
| 4662 | win32_create_message_window_class(void) |
| 4663 | { |
| 4664 | /* create the window class for "message only" windows */ |
| 4665 | WNDCLASS wc; |
| 4666 | |
| 4667 | Zero(&wc, 1, wc); |
| 4668 | wc.lpfnWndProc = win32_message_window_proc; |
| 4669 | wc.hInstance = (HINSTANCE)GetModuleHandle(NULL); |
| 4670 | wc.lpszClassName = "PerlMessageWindowClass"; |
| 4671 | |
| 4672 | /* second and subsequent calls will fail, but class |
| 4673 | * will already be registered */ |
| 4674 | RegisterClass(&wc); |
| 4675 | } |
| 4676 | |
| 4677 | HWND |
| 4678 | win32_create_message_window(void) |
| 4679 | { |
| 4680 | win32_create_message_window_class(); |
| 4681 | return CreateWindow("PerlMessageWindowClass", "PerlMessageWindow", |
| 4682 | 0, 0, 0, 0, 0, HWND_MESSAGE, NULL, NULL, NULL); |
| 4683 | } |
| 4684 | |
| 4685 | #ifdef HAVE_INTERP_INTERN |
| 4686 | |
| 4687 | static void |
| 4688 | win32_csighandler(int sig) |
| 4689 | { |
| 4690 | #if 0 |
| 4691 | dTHXa(PERL_GET_SIG_CONTEXT); |
| 4692 | Perl_warn(aTHX_ "Got signal %d",sig); |
| 4693 | #endif |
| 4694 | /* Does nothing */ |
| 4695 | } |
| 4696 | |
| 4697 | #if defined(__MINGW32__) && defined(__cplusplus) |
| 4698 | #define CAST_HWND__(x) (HWND__*)(x) |
| 4699 | #else |
| 4700 | #define CAST_HWND__(x) x |
| 4701 | #endif |
| 4702 | |
| 4703 | void |
| 4704 | Perl_sys_intern_init(pTHX) |
| 4705 | { |
| 4706 | int i; |
| 4707 | |
| 4708 | w32_perlshell_tokens = NULL; |
| 4709 | w32_perlshell_vec = (char**)NULL; |
| 4710 | w32_perlshell_items = 0; |
| 4711 | w32_fdpid = newAV(); |
| 4712 | Newx(w32_children, 1, child_tab); |
| 4713 | w32_num_children = 0; |
| 4714 | # ifdef USE_ITHREADS |
| 4715 | w32_pseudo_id = 0; |
| 4716 | Newx(w32_pseudo_children, 1, pseudo_child_tab); |
| 4717 | w32_num_pseudo_children = 0; |
| 4718 | # endif |
| 4719 | w32_timerid = 0; |
| 4720 | w32_message_hwnd = CAST_HWND__(INVALID_HANDLE_VALUE); |
| 4721 | w32_poll_count = 0; |
| 4722 | #ifdef PERL_IS_MINIPERL |
| 4723 | w32_sloppystat = TRUE; |
| 4724 | #else |
| 4725 | w32_sloppystat = FALSE; |
| 4726 | #endif |
| 4727 | for (i=0; i < SIG_SIZE; i++) { |
| 4728 | w32_sighandler[i] = SIG_DFL; |
| 4729 | } |
| 4730 | # ifdef MULTIPLICITY |
| 4731 | if (my_perl == PL_curinterp) { |
| 4732 | # else |
| 4733 | { |
| 4734 | # endif |
| 4735 | /* Force C runtime signal stuff to set its console handler */ |
| 4736 | signal(SIGINT,win32_csighandler); |
| 4737 | signal(SIGBREAK,win32_csighandler); |
| 4738 | |
| 4739 | /* We spawn asynchronous processes with the CREATE_NEW_PROCESS_GROUP |
| 4740 | * flag. This has the side-effect of disabling Ctrl-C events in all |
| 4741 | * processes in this group. |
| 4742 | * We re-enable Ctrl-C handling by calling SetConsoleCtrlHandler() |
| 4743 | * with a NULL handler. |
| 4744 | */ |
| 4745 | SetConsoleCtrlHandler(NULL,FALSE); |
| 4746 | |
| 4747 | /* Push our handler on top */ |
| 4748 | SetConsoleCtrlHandler(win32_ctrlhandler,TRUE); |
| 4749 | } |
| 4750 | } |
| 4751 | |
| 4752 | void |
| 4753 | Perl_sys_intern_clear(pTHX) |
| 4754 | { |
| 4755 | Safefree(w32_perlshell_tokens); |
| 4756 | Safefree(w32_perlshell_vec); |
| 4757 | /* NOTE: w32_fdpid is freed by sv_clean_all() */ |
| 4758 | Safefree(w32_children); |
| 4759 | if (w32_timerid) { |
| 4760 | KillTimer(w32_message_hwnd, w32_timerid); |
| 4761 | w32_timerid = 0; |
| 4762 | } |
| 4763 | if (w32_message_hwnd != NULL && w32_message_hwnd != INVALID_HANDLE_VALUE) |
| 4764 | DestroyWindow(w32_message_hwnd); |
| 4765 | # ifdef MULTIPLICITY |
| 4766 | if (my_perl == PL_curinterp) { |
| 4767 | # else |
| 4768 | { |
| 4769 | # endif |
| 4770 | SetConsoleCtrlHandler(win32_ctrlhandler,FALSE); |
| 4771 | } |
| 4772 | # ifdef USE_ITHREADS |
| 4773 | Safefree(w32_pseudo_children); |
| 4774 | # endif |
| 4775 | } |
| 4776 | |
| 4777 | # ifdef USE_ITHREADS |
| 4778 | |
| 4779 | void |
| 4780 | Perl_sys_intern_dup(pTHX_ struct interp_intern *src, struct interp_intern *dst) |
| 4781 | { |
| 4782 | PERL_ARGS_ASSERT_SYS_INTERN_DUP; |
| 4783 | |
| 4784 | dst->perlshell_tokens = NULL; |
| 4785 | dst->perlshell_vec = (char**)NULL; |
| 4786 | dst->perlshell_items = 0; |
| 4787 | dst->fdpid = newAV(); |
| 4788 | Newxz(dst->children, 1, child_tab); |
| 4789 | dst->pseudo_id = 0; |
| 4790 | Newxz(dst->pseudo_children, 1, pseudo_child_tab); |
| 4791 | dst->timerid = 0; |
| 4792 | dst->message_hwnd = CAST_HWND__(INVALID_HANDLE_VALUE); |
| 4793 | dst->poll_count = 0; |
| 4794 | dst->sloppystat = src->sloppystat; |
| 4795 | Copy(src->sigtable,dst->sigtable,SIG_SIZE,Sighandler_t); |
| 4796 | } |
| 4797 | # endif /* USE_ITHREADS */ |
| 4798 | #endif /* HAVE_INTERP_INTERN */ |