| 1 | /* amigaos.c uses only amigaos APIs, |
| 2 | * as opposed to amigaio.c which mixes amigaos and perl APIs */ |
| 3 | |
| 4 | #include <string.h> |
| 5 | |
| 6 | #include <sys/stat.h> |
| 7 | #include <unistd.h> |
| 8 | #include <assert.h> |
| 9 | |
| 10 | #include <errno.h> |
| 11 | #include <stdio.h> |
| 12 | #include <stdlib.h> |
| 13 | #if defined(__CLIB2__) |
| 14 | # include <dos.h> |
| 15 | #endif |
| 16 | #if defined(__NEWLIB__) |
| 17 | # include <amiga_platform.h> |
| 18 | #endif |
| 19 | #include <fcntl.h> |
| 20 | #include <ctype.h> |
| 21 | #include <stdarg.h> |
| 22 | |
| 23 | #include <dos/dos.h> |
| 24 | #include <proto/dos.h> |
| 25 | #include <proto/exec.h> |
| 26 | #include <proto/utility.h> |
| 27 | |
| 28 | #include "amigaos.h" |
| 29 | |
| 30 | struct UtilityIFace *IUtility = NULL; |
| 31 | |
| 32 | /***************************************************************************/ |
| 33 | |
| 34 | struct Interface *OpenInterface(CONST_STRPTR libname, uint32 libver) |
| 35 | { |
| 36 | struct Library *base = IExec->OpenLibrary(libname, libver); |
| 37 | struct Interface *iface = IExec->GetInterface(base, "main", 1, NULL); |
| 38 | if (iface == NULL) |
| 39 | { |
| 40 | // We should probably post some kind of error message here. |
| 41 | |
| 42 | IExec->CloseLibrary(base); |
| 43 | } |
| 44 | |
| 45 | return iface; |
| 46 | } |
| 47 | |
| 48 | /***************************************************************************/ |
| 49 | |
| 50 | void CloseInterface(struct Interface *iface) |
| 51 | { |
| 52 | if (iface != NULL) |
| 53 | { |
| 54 | struct Library *base = iface->Data.LibBase; |
| 55 | IExec->DropInterface(iface); |
| 56 | IExec->CloseLibrary(base); |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | BOOL __unlink_retries = FALSE; |
| 61 | |
| 62 | void ___makeenviron() __attribute__((constructor)); |
| 63 | void ___freeenviron() __attribute__((destructor)); |
| 64 | |
| 65 | void ___openinterfaces() __attribute__((constructor)); |
| 66 | void ___closeinterfaces() __attribute__((destructor)); |
| 67 | |
| 68 | void ___openinterfaces() |
| 69 | { |
| 70 | if (!IDOS) |
| 71 | IDOS = (struct DOSIFace *)OpenInterface("dos.library", 53); |
| 72 | if (!IUtility) |
| 73 | IUtility = |
| 74 | (struct UtilityIFace *)OpenInterface("utility.library", 53); |
| 75 | } |
| 76 | |
| 77 | void ___closeinterfaces() |
| 78 | { |
| 79 | CloseInterface((struct Interface *)IDOS); |
| 80 | CloseInterface((struct Interface *)IUtility); |
| 81 | } |
| 82 | int VARARGS68K araddebug(UBYTE *fmt, ...); |
| 83 | int VARARGS68K adebug(UBYTE *fmt, ...); |
| 84 | |
| 85 | #define __USE_RUNCOMMAND__ |
| 86 | |
| 87 | char **myenviron = NULL; |
| 88 | char **origenviron = NULL; |
| 89 | |
| 90 | int myexecve(const char *path, char *argv[], char *envp[]); |
| 91 | static void createvars(char **envp); |
| 92 | |
| 93 | struct args |
| 94 | { |
| 95 | BPTR seglist; |
| 96 | int stack; |
| 97 | char *command; |
| 98 | int length; |
| 99 | int result; |
| 100 | char **envp; |
| 101 | }; |
| 102 | |
| 103 | int __myrc(char *arg) |
| 104 | { |
| 105 | struct Task *thisTask = IExec->FindTask(0); |
| 106 | struct args *myargs = (struct args *)thisTask->tc_UserData; |
| 107 | if (myargs->envp) |
| 108 | createvars(myargs->envp); |
| 109 | // adebug("%s %ld %s \n",__FUNCTION__,__LINE__,myargs->command); |
| 110 | myargs->result = IDOS->RunCommand(myargs->seglist, myargs->stack, |
| 111 | myargs->command, myargs->length); |
| 112 | return 0; |
| 113 | } |
| 114 | |
| 115 | int32 myruncommand( |
| 116 | BPTR seglist, int stack, char *command, int length, char **envp) |
| 117 | { |
| 118 | struct args myargs; |
| 119 | struct Task *thisTask = IExec->FindTask(0); |
| 120 | struct Process *proc; |
| 121 | |
| 122 | // adebug("%s %ld %s\n",__FUNCTION__,__LINE__,command?command:"NULL"); |
| 123 | |
| 124 | myargs.seglist = seglist; |
| 125 | myargs.stack = stack; |
| 126 | myargs.command = command; |
| 127 | myargs.length = length; |
| 128 | myargs.result = -1; |
| 129 | myargs.envp = envp; |
| 130 | |
| 131 | if ((proc = IDOS->CreateNewProcTags( |
| 132 | NP_Entry, __myrc, NP_Child, TRUE, NP_Input, IDOS->Input(), |
| 133 | NP_Output, IDOS->Output(), NP_Error, IDOS->ErrorOutput(), |
| 134 | NP_CloseInput, FALSE, NP_CloseOutput, FALSE, NP_CloseError, |
| 135 | FALSE, NP_CopyVars, FALSE, |
| 136 | |
| 137 | // NP_StackSize, ((struct Process |
| 138 | // *)myargs.parent)->pr_StackSize, |
| 139 | NP_Cli, TRUE, NP_UserData, (int)&myargs, |
| 140 | NP_NotifyOnDeathSigTask, thisTask, TAG_DONE))) |
| 141 | |
| 142 | { |
| 143 | IExec->Wait(SIGF_CHILD); |
| 144 | } |
| 145 | return myargs.result; |
| 146 | } |
| 147 | |
| 148 | static char *mystrdup(const char *s) |
| 149 | { |
| 150 | char *result = NULL; |
| 151 | size_t size; |
| 152 | |
| 153 | size = strlen(s) + 1; |
| 154 | |
| 155 | if ((result = (char *)IExec->AllocVec(size, MEMF_ANY))) |
| 156 | { |
| 157 | memmove(result, s, size); |
| 158 | } |
| 159 | return result; |
| 160 | } |
| 161 | |
| 162 | static int pipenum = 0; |
| 163 | |
| 164 | int pipe(int filedes[2]) |
| 165 | { |
| 166 | char pipe_name[1024]; |
| 167 | |
| 168 | // adebug("%s %ld \n",__FUNCTION__,__LINE__); |
| 169 | #ifdef USE_TEMPFILES |
| 170 | sprintf(pipe_name, "/T/%x.%08lx", pipenum++, IUtility->GetUniqueID()); |
| 171 | #else |
| 172 | sprintf(pipe_name, "/PIPE/%x%08lx/4096/0", pipenum++, |
| 173 | IUtility->GetUniqueID()); |
| 174 | #endif |
| 175 | |
| 176 | /* printf("pipe: %s \n", pipe_name);*/ |
| 177 | |
| 178 | filedes[1] = open(pipe_name, O_WRONLY | O_CREAT); |
| 179 | filedes[0] = open(pipe_name, O_RDONLY); |
| 180 | if (filedes[0] == -1 || filedes[1] == -1) |
| 181 | { |
| 182 | if (filedes[0] != -1) |
| 183 | close(filedes[0]); |
| 184 | if (filedes[1] != -1) |
| 185 | close(filedes[1]); |
| 186 | return -1; |
| 187 | } |
| 188 | /* printf("filedes %d %d\n", filedes[0], |
| 189 | * filedes[1]);fflush(stdout);*/ |
| 190 | |
| 191 | return 0; |
| 192 | } |
| 193 | |
| 194 | int fork(void) |
| 195 | { |
| 196 | fprintf(stderr, "Can not bloody fork\n"); |
| 197 | errno = ENOMEM; |
| 198 | return -1; |
| 199 | } |
| 200 | |
| 201 | int wait(int *status) |
| 202 | { |
| 203 | fprintf(stderr, "No wait try waitpid instead\n"); |
| 204 | errno = ECHILD; |
| 205 | return -1; |
| 206 | } |
| 207 | |
| 208 | char *convert_path_a2u(const char *filename) |
| 209 | { |
| 210 | struct NameTranslationInfo nti; |
| 211 | |
| 212 | if (!filename) |
| 213 | { |
| 214 | return 0; |
| 215 | } |
| 216 | |
| 217 | __translate_amiga_to_unix_path_name(&filename, &nti); |
| 218 | |
| 219 | return mystrdup(filename); |
| 220 | } |
| 221 | char *convert_path_u2a(const char *filename) |
| 222 | { |
| 223 | struct NameTranslationInfo nti; |
| 224 | |
| 225 | if (!filename) |
| 226 | { |
| 227 | return 0; |
| 228 | } |
| 229 | |
| 230 | if (strcmp(filename, "/dev/tty") == 0) |
| 231 | { |
| 232 | return mystrdup("CONSOLE:"); |
| 233 | ; |
| 234 | } |
| 235 | |
| 236 | __translate_unix_to_amiga_path_name(&filename, &nti); |
| 237 | |
| 238 | return mystrdup(filename); |
| 239 | } |
| 240 | |
| 241 | static struct SignalSemaphore environ_sema; |
| 242 | |
| 243 | void amigaos4_init_environ_sema() { IExec->InitSemaphore(&environ_sema); } |
| 244 | |
| 245 | void amigaos4_obtain_environ() { IExec->ObtainSemaphore(&environ_sema); } |
| 246 | |
| 247 | void amigaos4_release_environ() { IExec->ReleaseSemaphore(&environ_sema); } |
| 248 | |
| 249 | static void createvars(char **envp) |
| 250 | { |
| 251 | if (envp) |
| 252 | { |
| 253 | /* Set a local var to indicate to any subsequent sh that it is |
| 254 | * not |
| 255 | * the top level shell and so should only inherit local amigaos |
| 256 | * vars */ |
| 257 | IDOS->SetVar("ABCSH_IMPORT_LOCAL", "TRUE", 5, GVF_LOCAL_ONLY); |
| 258 | |
| 259 | amigaos4_obtain_environ(); |
| 260 | |
| 261 | envp = myenviron; |
| 262 | |
| 263 | while ((envp != NULL) && (*envp != NULL)) |
| 264 | { |
| 265 | int len; |
| 266 | char *var; |
| 267 | char *val; |
| 268 | if ((len = strlen(*envp))) |
| 269 | { |
| 270 | if ((var = (char *)IExec->AllocVec( |
| 271 | len + 1, MEMF_ANY | MEMF_CLEAR))) |
| 272 | { |
| 273 | strcpy(var, *envp); |
| 274 | |
| 275 | val = strchr(var, '='); |
| 276 | if (val) |
| 277 | { |
| 278 | *val++ = '\0'; |
| 279 | if (*val) |
| 280 | { |
| 281 | IDOS->SetVar( |
| 282 | var, val, |
| 283 | strlen(val) + 1, |
| 284 | GVF_LOCAL_ONLY); |
| 285 | } |
| 286 | } |
| 287 | IExec->FreeVec(var); |
| 288 | } |
| 289 | } |
| 290 | envp++; |
| 291 | } |
| 292 | amigaos4_release_environ(); |
| 293 | } |
| 294 | } |
| 295 | |
| 296 | static BOOL contains_whitespace(char *string) |
| 297 | { |
| 298 | |
| 299 | if (string) |
| 300 | { |
| 301 | |
| 302 | if (strchr(string, ' ')) |
| 303 | return TRUE; |
| 304 | if (strchr(string, '\t')) |
| 305 | return TRUE; |
| 306 | if (strchr(string, '\n')) |
| 307 | return TRUE; |
| 308 | if (strchr(string, 0xA0)) |
| 309 | return TRUE; |
| 310 | if (strchr(string, '"')) |
| 311 | return TRUE; |
| 312 | } |
| 313 | return FALSE; |
| 314 | } |
| 315 | |
| 316 | static int no_of_escapes(char *string) |
| 317 | { |
| 318 | int cnt = 0; |
| 319 | char *p; |
| 320 | for (p = string; p < string + strlen(string); p++) |
| 321 | { |
| 322 | if (*p == '"') |
| 323 | cnt++; |
| 324 | if (*p == '*') |
| 325 | cnt++; |
| 326 | if (*p == '\n') |
| 327 | cnt++; |
| 328 | if (*p == '\t') |
| 329 | cnt++; |
| 330 | } |
| 331 | return cnt; |
| 332 | } |
| 333 | |
| 334 | struct command_data |
| 335 | { |
| 336 | STRPTR args; |
| 337 | BPTR seglist; |
| 338 | struct Task *parent; |
| 339 | }; |
| 340 | |
| 341 | int myexecvp(const char *filename, char *argv[]) |
| 342 | { |
| 343 | // adebug("%s %ld |
| 344 | //%s\n",__FUNCTION__,__LINE__,filename?filename:"NULL"); |
| 345 | /* if there's a slash or a colon consider filename a path and skip |
| 346 | * search */ |
| 347 | int res; |
| 348 | if ((strchr(filename, '/') == NULL) && (strchr(filename, ':') == NULL)) |
| 349 | { |
| 350 | char *path; |
| 351 | char *name; |
| 352 | char *pathpart; |
| 353 | char *p; |
| 354 | size_t len; |
| 355 | struct stat st; |
| 356 | |
| 357 | if (!(path = getenv("PATH"))) |
| 358 | { |
| 359 | path = ".:/bin:/usr/bin:/c"; |
| 360 | } |
| 361 | |
| 362 | len = strlen(filename) + 1; |
| 363 | name = (char *)alloca(strlen(path) + len); |
| 364 | pathpart = (char *)alloca(strlen(path) + 1); |
| 365 | p = path; |
| 366 | do |
| 367 | { |
| 368 | path = p; |
| 369 | |
| 370 | if (!(p = strchr(path, ':'))) |
| 371 | { |
| 372 | p = strchr(path, '\0'); |
| 373 | } |
| 374 | |
| 375 | memcpy(pathpart, path, p - path); |
| 376 | pathpart[p - path] = '\0'; |
| 377 | if (!(strlen(pathpart) == 0)) |
| 378 | { |
| 379 | sprintf(name, "%s/%s", pathpart, filename); |
| 380 | } |
| 381 | else |
| 382 | sprintf(name, "%s", filename); |
| 383 | |
| 384 | if ((stat(name, &st) == 0) && (S_ISREG(st.st_mode))) |
| 385 | { |
| 386 | /* we stated it and it's a regular file */ |
| 387 | /* let's boogie! */ |
| 388 | filename = name; |
| 389 | break; |
| 390 | } |
| 391 | |
| 392 | } while (*p++ != '\0'); |
| 393 | } |
| 394 | res = myexecve(filename, argv, myenviron); |
| 395 | return res; |
| 396 | } |
| 397 | |
| 398 | int myexecv(const char *path, char *argv[]) |
| 399 | { |
| 400 | return myexecve(path, argv, myenviron); |
| 401 | } |
| 402 | |
| 403 | int myexecl(const char *path, ...) |
| 404 | { |
| 405 | va_list va; |
| 406 | char *argv[1024]; /* 1024 enough? let's hope so! */ |
| 407 | int i = 0; |
| 408 | // adebug("%s %ld\n",__FUNCTION__,__LINE__); |
| 409 | |
| 410 | va_start(va, path); |
| 411 | i = 0; |
| 412 | |
| 413 | do |
| 414 | { |
| 415 | argv[i] = va_arg(va, char *); |
| 416 | } while (argv[i++] != NULL); |
| 417 | |
| 418 | va_end(va); |
| 419 | return myexecve(path, argv, myenviron); |
| 420 | } |
| 421 | |
| 422 | int myexecve(const char *filename, char *argv[], char *envp[]) |
| 423 | { |
| 424 | FILE *fh; |
| 425 | char buffer[1000]; |
| 426 | int size = 0; |
| 427 | char **cur; |
| 428 | char *interpreter = 0; |
| 429 | char *interpreter_args = 0; |
| 430 | char *full = 0; |
| 431 | char *filename_conv = 0; |
| 432 | char *interpreter_conv = 0; |
| 433 | // char *tmp = 0; |
| 434 | char *fname; |
| 435 | // int tmpint; |
| 436 | // struct Task *thisTask = IExec->FindTask(0); |
| 437 | int result = -1; |
| 438 | |
| 439 | // adebug("%s %ld %s\n",__FUNCTION__,__LINE__,filename?filename:"NULL"); |
| 440 | |
| 441 | /* Calculate the size of filename and all args, including spaces and |
| 442 | * quotes */ |
| 443 | size = 0; // strlen(filename) + 1; |
| 444 | for (cur = (char **)argv /* +1 */; *cur; cur++) |
| 445 | { |
| 446 | size += |
| 447 | strlen(*cur) + 1 + |
| 448 | (contains_whitespace(*cur) ? (2 + no_of_escapes(*cur)) : 0); |
| 449 | } |
| 450 | /* Check if it's a script file */ |
| 451 | |
| 452 | fh = fopen(filename, "r"); |
| 453 | if (fh) |
| 454 | { |
| 455 | if (fgetc(fh) == '#' && fgetc(fh) == '!') |
| 456 | { |
| 457 | char *p; |
| 458 | char *q; |
| 459 | fgets(buffer, 999, fh); |
| 460 | p = buffer; |
| 461 | while (*p == ' ' || *p == '\t') |
| 462 | p++; |
| 463 | if (buffer[strlen(buffer) - 1] == '\n') |
| 464 | buffer[strlen(buffer) - 1] = '\0'; |
| 465 | if ((q = strchr(p, ' '))) |
| 466 | { |
| 467 | *q++ = '\0'; |
| 468 | if (*q != '\0') |
| 469 | { |
| 470 | interpreter_args = mystrdup(q); |
| 471 | } |
| 472 | } |
| 473 | else |
| 474 | interpreter_args = mystrdup(""); |
| 475 | |
| 476 | interpreter = mystrdup(p); |
| 477 | size += strlen(interpreter) + 1; |
| 478 | size += strlen(interpreter_args) + 1; |
| 479 | } |
| 480 | |
| 481 | fclose(fh); |
| 482 | } |
| 483 | else |
| 484 | { |
| 485 | /* We couldn't open this why not? */ |
| 486 | if (errno == ENOENT) |
| 487 | { |
| 488 | /* file didn't exist! */ |
| 489 | return -1; |
| 490 | } |
| 491 | } |
| 492 | |
| 493 | /* Allocate the command line */ |
| 494 | filename_conv = convert_path_u2a(filename); |
| 495 | |
| 496 | if (filename_conv) |
| 497 | size += strlen(filename_conv); |
| 498 | size += 1; |
| 499 | full = (char *)IExec->AllocVec(size + 10, MEMF_ANY | MEMF_CLEAR); |
| 500 | if (full) |
| 501 | { |
| 502 | if (interpreter) |
| 503 | { |
| 504 | interpreter_conv = convert_path_u2a(interpreter); |
| 505 | #if !defined(__USE_RUNCOMMAND__) |
| 506 | #warning(using system!) |
| 507 | sprintf(full, "%s %s %s ", interpreter_conv, |
| 508 | interpreter_args, filename_conv); |
| 509 | #else |
| 510 | sprintf(full, "%s %s ", interpreter_args, |
| 511 | filename_conv); |
| 512 | #endif |
| 513 | IExec->FreeVec(interpreter); |
| 514 | IExec->FreeVec(interpreter_args); |
| 515 | |
| 516 | if (filename_conv) |
| 517 | IExec->FreeVec(filename_conv); |
| 518 | fname = mystrdup(interpreter_conv); |
| 519 | |
| 520 | if (interpreter_conv) |
| 521 | IExec->FreeVec(interpreter_conv); |
| 522 | } |
| 523 | else |
| 524 | { |
| 525 | #ifndef __USE_RUNCOMMAND__ |
| 526 | sprintf(full, "%s ", filename_conv); |
| 527 | #else |
| 528 | sprintf(full, ""); |
| 529 | #endif |
| 530 | fname = mystrdup(filename_conv); |
| 531 | if (filename_conv) |
| 532 | IExec->FreeVec(filename_conv); |
| 533 | } |
| 534 | |
| 535 | for (cur = (char **)(argv + 1); *cur != 0; cur++) |
| 536 | { |
| 537 | if (contains_whitespace(*cur)) |
| 538 | { |
| 539 | int esc = no_of_escapes(*cur); |
| 540 | |
| 541 | if (esc > 0) |
| 542 | { |
| 543 | char *buff = IExec->AllocVec( |
| 544 | strlen(*cur) + 4 + esc, |
| 545 | MEMF_ANY | MEMF_CLEAR); |
| 546 | char *p = *cur; |
| 547 | char *q = buff; |
| 548 | |
| 549 | *q++ = '"'; |
| 550 | while (*p != '\0') |
| 551 | { |
| 552 | |
| 553 | if (*p == '\n') |
| 554 | { |
| 555 | *q++ = '*'; |
| 556 | *q++ = 'N'; |
| 557 | p++; |
| 558 | continue; |
| 559 | } |
| 560 | else if (*p == '"') |
| 561 | { |
| 562 | *q++ = '*'; |
| 563 | *q++ = '"'; |
| 564 | p++; |
| 565 | continue; |
| 566 | } |
| 567 | else if (*p == '*') |
| 568 | { |
| 569 | *q++ = '*'; |
| 570 | } |
| 571 | *q++ = *p++; |
| 572 | } |
| 573 | *q++ = '"'; |
| 574 | *q++ = ' '; |
| 575 | *q = '\0'; |
| 576 | strcat(full, buff); |
| 577 | IExec->FreeVec(buff); |
| 578 | } |
| 579 | else |
| 580 | { |
| 581 | strcat(full, "\""); |
| 582 | strcat(full, *cur); |
| 583 | strcat(full, "\" "); |
| 584 | } |
| 585 | } |
| 586 | else |
| 587 | { |
| 588 | strcat(full, *cur); |
| 589 | strcat(full, " "); |
| 590 | } |
| 591 | } |
| 592 | strcat(full, "\n"); |
| 593 | |
| 594 | // if(envp) |
| 595 | // createvars(envp); |
| 596 | |
| 597 | #ifndef __USE_RUNCOMMAND__ |
| 598 | result = IDOS->SystemTags( |
| 599 | full, SYS_UserShell, TRUE, NP_StackSize, |
| 600 | ((struct Process *)thisTask)->pr_StackSize, SYS_Input, |
| 601 | ((struct Process *)thisTask)->pr_CIS, SYS_Output, |
| 602 | ((struct Process *)thisTask)->pr_COS, SYS_Error, |
| 603 | ((struct Process *)thisTask)->pr_CES, TAG_DONE); |
| 604 | #else |
| 605 | |
| 606 | if (fname) |
| 607 | { |
| 608 | BPTR seglist = IDOS->LoadSeg(fname); |
| 609 | if (seglist) |
| 610 | { |
| 611 | /* check if we have an executable! */ |
| 612 | struct PseudoSegList *ps = NULL; |
| 613 | if (!IDOS->GetSegListInfoTags( |
| 614 | seglist, GSLI_Native, &ps, TAG_DONE)) |
| 615 | { |
| 616 | IDOS->GetSegListInfoTags( |
| 617 | seglist, GSLI_68KPS, &ps, TAG_DONE); |
| 618 | } |
| 619 | if (ps != NULL) |
| 620 | { |
| 621 | // adebug("%s %ld %s |
| 622 | // %s\n",__FUNCTION__,__LINE__,fname,full); |
| 623 | IDOS->SetCliProgramName(fname); |
| 624 | // result=RunCommand(seglist,8*1024,full,strlen(full)); |
| 625 | // result=myruncommand(seglist,8*1024,full,strlen(full),envp); |
| 626 | result = myruncommand(seglist, 8 * 1024, |
| 627 | full, -1, envp); |
| 628 | errno = 0; |
| 629 | } |
| 630 | else |
| 631 | { |
| 632 | errno = ENOEXEC; |
| 633 | } |
| 634 | IDOS->UnLoadSeg(seglist); |
| 635 | } |
| 636 | else |
| 637 | { |
| 638 | errno = ENOEXEC; |
| 639 | } |
| 640 | IExec->FreeVec(fname); |
| 641 | } |
| 642 | |
| 643 | #endif /* USE_RUNCOMMAND */ |
| 644 | |
| 645 | IExec->FreeVec(full); |
| 646 | if (errno == ENOEXEC) |
| 647 | return -1; |
| 648 | return result; |
| 649 | } |
| 650 | |
| 651 | if (interpreter) |
| 652 | IExec->FreeVec(interpreter); |
| 653 | if (filename_conv) |
| 654 | IExec->FreeVec(filename_conv); |
| 655 | |
| 656 | errno = ENOMEM; |
| 657 | |
| 658 | return -1; |
| 659 | } |
| 660 | |
| 661 | int pause(void) |
| 662 | { |
| 663 | fprintf(stderr, "Pause not implemented\n"); |
| 664 | |
| 665 | errno = EINTR; |
| 666 | return -1; |
| 667 | } |
| 668 | |
| 669 | uint32 size_env(struct Hook *hook, APTR userdata, struct ScanVarsMsg *message) |
| 670 | { |
| 671 | if (strlen(message->sv_GDir) <= 4) |
| 672 | { |
| 673 | hook->h_Data = (APTR)(((uint32)hook->h_Data) + 1); |
| 674 | } |
| 675 | return 0; |
| 676 | } |
| 677 | |
| 678 | uint32 copy_env(struct Hook *hook, APTR userdata, struct ScanVarsMsg *message) |
| 679 | { |
| 680 | if (strlen(message->sv_GDir) <= 4) |
| 681 | { |
| 682 | char **env = (char **)hook->h_Data; |
| 683 | uint32 size = |
| 684 | strlen(message->sv_Name) + 1 + message->sv_VarLen + 1 + 1; |
| 685 | char *buffer = (char *)IExec->AllocVec((uint32)size, |
| 686 | MEMF_ANY | MEMF_CLEAR); |
| 687 | |
| 688 | snprintf(buffer, size - 1, "%s=%s", message->sv_Name, |
| 689 | message->sv_Var); |
| 690 | |
| 691 | *env = buffer; |
| 692 | env++; |
| 693 | hook->h_Data = env; |
| 694 | } |
| 695 | return 0; |
| 696 | } |
| 697 | |
| 698 | void ___makeenviron() |
| 699 | { |
| 700 | struct Hook hook; |
| 701 | |
| 702 | char varbuf[8]; |
| 703 | uint32 flags = 0; |
| 704 | |
| 705 | struct DOSIFace *myIDOS = |
| 706 | (struct DOSIFace *)OpenInterface("dos.library", 53); |
| 707 | if (myIDOS) |
| 708 | { |
| 709 | if (myIDOS->GetVar("ABCSH_IMPORT_LOCAL", varbuf, 8, |
| 710 | GVF_LOCAL_ONLY) > 0) |
| 711 | { |
| 712 | flags = GVF_LOCAL_ONLY; |
| 713 | } |
| 714 | else |
| 715 | { |
| 716 | flags = GVF_GLOBAL_ONLY; |
| 717 | } |
| 718 | |
| 719 | hook.h_Entry = size_env; |
| 720 | hook.h_Data = 0; |
| 721 | |
| 722 | myIDOS->ScanVars(&hook, flags, 0); |
| 723 | hook.h_Data = (APTR)(((uint32)hook.h_Data) + 1); |
| 724 | |
| 725 | myenviron = (char **)IExec->AllocVec((uint32)hook.h_Data * |
| 726 | sizeof(char **), |
| 727 | MEMF_ANY | MEMF_CLEAR); |
| 728 | origenviron = myenviron; |
| 729 | if (!myenviron) |
| 730 | { |
| 731 | return; |
| 732 | } |
| 733 | hook.h_Entry = copy_env; |
| 734 | hook.h_Data = myenviron; |
| 735 | |
| 736 | myIDOS->ScanVars(&hook, flags, 0); |
| 737 | CloseInterface((struct Interface *)myIDOS); |
| 738 | } |
| 739 | } |
| 740 | |
| 741 | void ___freeenviron() |
| 742 | { |
| 743 | char **i; |
| 744 | /* perl might change environ, it puts it back except for ctrl-c */ |
| 745 | /* so restore our own copy here */ |
| 746 | struct DOSIFace *myIDOS = |
| 747 | (struct DOSIFace *)OpenInterface("dos.library", 53); |
| 748 | if (myIDOS) |
| 749 | { |
| 750 | myenviron = origenviron; |
| 751 | |
| 752 | if (myenviron) |
| 753 | { |
| 754 | for (i = myenviron; *i != NULL; i++) |
| 755 | { |
| 756 | IExec->FreeVec(*i); |
| 757 | } |
| 758 | IExec->FreeVec(myenviron); |
| 759 | myenviron = NULL; |
| 760 | } |
| 761 | CloseInterface((struct Interface *)myIDOS); |
| 762 | } |
| 763 | } |
| 764 | |
| 765 | /* reimplementation of popen, clib2's doesn't do all we want */ |
| 766 | |
| 767 | static BOOL is_final_quote_character(const char *str) |
| 768 | { |
| 769 | BOOL result; |
| 770 | |
| 771 | result = (BOOL)(str[0] == '\"' && (str[1] == '\0' || isspace(str[1]))); |
| 772 | |
| 773 | return (result); |
| 774 | } |
| 775 | |
| 776 | static BOOL is_final_squote_character(const char *str) |
| 777 | { |
| 778 | BOOL result; |
| 779 | |
| 780 | result = (BOOL)(str[0] == '\'' && (str[1] == '\0' || isspace(str[1]))); |
| 781 | |
| 782 | return (result); |
| 783 | } |
| 784 | |
| 785 | int popen_child() |
| 786 | { |
| 787 | struct Task *thisTask = IExec->FindTask(0); |
| 788 | |
| 789 | char *command = (char *)thisTask->tc_UserData; |
| 790 | size_t len; |
| 791 | char *str; |
| 792 | int argc; |
| 793 | int number_of_arguments; |
| 794 | char *argv[4]; |
| 795 | |
| 796 | argv[0] = "sh"; |
| 797 | argv[1] = "-c"; |
| 798 | argv[2] = command ? command : NULL; |
| 799 | argv[3] = NULL; |
| 800 | |
| 801 | // adebug("%s %ld %s\n",__FUNCTION__,__LINE__,command?command:"NULL"); |
| 802 | |
| 803 | /* We need to give this to sh via execvp, execvp expects filename, |
| 804 | * argv[] |
| 805 | */ |
| 806 | |
| 807 | myexecvp(argv[0], argv); |
| 808 | if (command) |
| 809 | IExec->FreeVec(command); |
| 810 | |
| 811 | IExec->Forbid(); |
| 812 | return 0; |
| 813 | } |
| 814 | |
| 815 | FILE *amigaos_popen(const char *cmd, const char *mode) |
| 816 | { |
| 817 | FILE *result = NULL; |
| 818 | char pipe_name[50]; |
| 819 | char unix_pipe[50]; |
| 820 | char ami_pipe[50]; |
| 821 | char *cmd_copy; |
| 822 | BPTR input = 0; |
| 823 | BPTR output = 0; |
| 824 | struct Process *proc = NULL; |
| 825 | struct Task *thisTask = IExec->FindTask(0); |
| 826 | |
| 827 | /* First we need to check the mode |
| 828 | * We can only have unidirectional pipes |
| 829 | */ |
| 830 | // adebug("%s %ld cmd %s mode %s \n",__FUNCTION__,__LINE__,cmd, |
| 831 | // mode); |
| 832 | |
| 833 | switch (mode[0]) |
| 834 | { |
| 835 | case 'r': |
| 836 | case 'w': |
| 837 | break; |
| 838 | |
| 839 | default: |
| 840 | |
| 841 | errno = EINVAL; |
| 842 | return result; |
| 843 | } |
| 844 | |
| 845 | /* Make a unique pipe name |
| 846 | * we need a unix one and an amigaos version (of the same pipe!) |
| 847 | * as were linking with libunix. |
| 848 | */ |
| 849 | |
| 850 | sprintf(pipe_name, "%x%08lx/4096/0", pipenum++, |
| 851 | IUtility->GetUniqueID()); |
| 852 | sprintf(unix_pipe, "/PIPE/%s", pipe_name); |
| 853 | sprintf(ami_pipe, "PIPE:%s", pipe_name); |
| 854 | |
| 855 | /* Now we open the AmigaOs Filehandles That we wil pass to our |
| 856 | * Sub process |
| 857 | */ |
| 858 | |
| 859 | if (mode[0] == 'r') |
| 860 | { |
| 861 | /* A read mode pipe: Output from pipe input from NIL:*/ |
| 862 | input = IDOS->Open("NIL:", MODE_NEWFILE); |
| 863 | if (input != 0) |
| 864 | { |
| 865 | output = IDOS->Open(ami_pipe, MODE_NEWFILE); |
| 866 | } |
| 867 | } |
| 868 | else |
| 869 | { |
| 870 | |
| 871 | input = IDOS->Open(ami_pipe, MODE_NEWFILE); |
| 872 | if (input != 0) |
| 873 | { |
| 874 | output = IDOS->Open("NIL:", MODE_NEWFILE); |
| 875 | } |
| 876 | } |
| 877 | if ((input == 0) || (output == 0)) |
| 878 | { |
| 879 | /* Ouch stream opening failed */ |
| 880 | /* Close and bail */ |
| 881 | if (input) |
| 882 | IDOS->Close(input); |
| 883 | if (output) |
| 884 | IDOS->Close(output); |
| 885 | return result; |
| 886 | } |
| 887 | |
| 888 | /* We have our streams now start our new process |
| 889 | * We're using a new process so that execve can modify the environment |
| 890 | * with messing things up for the shell that launched perl |
| 891 | * Copy cmd before we launch the subprocess as perl seems to waste |
| 892 | * no time in overwriting it! The subprocess will free the copy. |
| 893 | */ |
| 894 | |
| 895 | if ((cmd_copy = mystrdup(cmd))) |
| 896 | { |
| 897 | // adebug("%s %ld |
| 898 | // %s\n",__FUNCTION__,__LINE__,cmd_copy?cmd_copy:"NULL"); |
| 899 | proc = IDOS->CreateNewProcTags( |
| 900 | NP_Entry, popen_child, NP_Child, TRUE, NP_StackSize, |
| 901 | ((struct Process *)thisTask)->pr_StackSize, NP_Input, input, |
| 902 | NP_Output, output, NP_Error, IDOS->ErrorOutput(), |
| 903 | NP_CloseError, FALSE, NP_Cli, TRUE, NP_Name, |
| 904 | "Perl: popen process", NP_UserData, (int)cmd_copy, |
| 905 | TAG_DONE); |
| 906 | } |
| 907 | if (!proc) |
| 908 | { |
| 909 | /* New Process Failed to start |
| 910 | * Close and bail out |
| 911 | */ |
| 912 | if (input) |
| 913 | IDOS->Close(input); |
| 914 | if (output) |
| 915 | IDOS->Close(output); |
| 916 | if (cmd_copy) |
| 917 | IExec->FreeVec(cmd_copy); |
| 918 | } |
| 919 | |
| 920 | /* Our new process is running and will close it streams etc |
| 921 | * once its done. All we need to is open the pipe via stdio |
| 922 | */ |
| 923 | |
| 924 | return fopen(unix_pipe, mode); |
| 925 | } |
| 926 | |
| 927 | /* Work arround for clib2 fstat */ |
| 928 | #ifndef S_IFCHR |
| 929 | #define S_IFCHR 0x0020000 |
| 930 | #endif |
| 931 | |
| 932 | #define SET_FLAG(u, v) ((void)((u) |= (v))) |
| 933 | |
| 934 | int afstat(int fd, struct stat *statb) |
| 935 | { |
| 936 | int result; |
| 937 | BPTR fh; |
| 938 | int mode; |
| 939 | BOOL input; |
| 940 | /* In the first instance pass it to fstat */ |
| 941 | // adebug("fd %ld ad %ld\n",fd,amigaos_get_file(fd)); |
| 942 | |
| 943 | if ((result = fstat(fd, statb) >= 0)) |
| 944 | return result; |
| 945 | |
| 946 | /* Now we've got a file descriptor but we failed to stat it */ |
| 947 | /* Could be a nil: or could be a std#? */ |
| 948 | |
| 949 | /* if get_default_file fails we had a dud fd so return failure */ |
| 950 | #if !defined(__CLIB2__) |
| 951 | |
| 952 | fh = amigaos_get_file(fd); |
| 953 | |
| 954 | /* if nil: return failure*/ |
| 955 | if (fh == 0) |
| 956 | return -1; |
| 957 | |
| 958 | /* Now compare with our process Input() Output() etc */ |
| 959 | /* if these were regular files sockets or pipes we had already |
| 960 | * succeeded */ |
| 961 | /* so we can guess they a character special console.... I hope */ |
| 962 | |
| 963 | struct ExamineData *data; |
| 964 | char name[120]; |
| 965 | name[0] = '\0'; |
| 966 | |
| 967 | data = IDOS->ExamineObjectTags(EX_FileHandleInput, fh, TAG_END); |
| 968 | if (data != NULL) |
| 969 | { |
| 970 | |
| 971 | IUtility->Strlcpy(name, data->Name, sizeof(name)); |
| 972 | |
| 973 | IDOS->FreeDosObject(DOS_EXAMINEDATA, data); |
| 974 | } |
| 975 | |
| 976 | // adebug("ad %ld '%s'\n",amigaos_get_file(fd),name); |
| 977 | mode = S_IFCHR; |
| 978 | |
| 979 | if (fh == IDOS->Input()) |
| 980 | { |
| 981 | input = TRUE; |
| 982 | SET_FLAG(mode, S_IRUSR); |
| 983 | SET_FLAG(mode, S_IRGRP); |
| 984 | SET_FLAG(mode, S_IROTH); |
| 985 | } |
| 986 | else if (fh == IDOS->Output() || fh == IDOS->ErrorOutput()) |
| 987 | { |
| 988 | input = FALSE; |
| 989 | SET_FLAG(mode, S_IWUSR); |
| 990 | SET_FLAG(mode, S_IWGRP); |
| 991 | SET_FLAG(mode, S_IWOTH); |
| 992 | } |
| 993 | else |
| 994 | { |
| 995 | /* we got a filehandle not handle by fstat or the above */ |
| 996 | /* most likely it's NIL: but lets check */ |
| 997 | struct ExamineData *exd = NULL; |
| 998 | if ((exd = IDOS->ExamineObjectTags(EX_FileHandleInput, fh, |
| 999 | TAG_DONE))) |
| 1000 | { |
| 1001 | BOOL isnil = FALSE; |
| 1002 | if (exd->Type == |
| 1003 | (20060920)) // Ugh yes I know nasty..... |
| 1004 | { |
| 1005 | isnil = TRUE; |
| 1006 | } |
| 1007 | IDOS->FreeDosObject(DOS_EXAMINEDATA, exd); |
| 1008 | if (isnil) |
| 1009 | { |
| 1010 | /* yep we got NIL: */ |
| 1011 | SET_FLAG(mode, S_IRUSR); |
| 1012 | SET_FLAG(mode, S_IRGRP); |
| 1013 | SET_FLAG(mode, S_IROTH); |
| 1014 | SET_FLAG(mode, S_IWUSR); |
| 1015 | SET_FLAG(mode, S_IWGRP); |
| 1016 | SET_FLAG(mode, S_IWOTH); |
| 1017 | } |
| 1018 | else |
| 1019 | { |
| 1020 | IExec->DebugPrintF( |
| 1021 | "unhandled filehandle in afstat()\n"); |
| 1022 | return -1; |
| 1023 | } |
| 1024 | } |
| 1025 | } |
| 1026 | |
| 1027 | memset(statb, 0, sizeof(statb)); |
| 1028 | |
| 1029 | statb->st_mode = mode; |
| 1030 | |
| 1031 | #endif |
| 1032 | return 0; |
| 1033 | } |
| 1034 | |
| 1035 | BPTR amigaos_get_file(int fd) |
| 1036 | { |
| 1037 | BPTR fh = (BPTR)NULL; |
| 1038 | if (!(fh = _get_osfhandle(fd))) |
| 1039 | { |
| 1040 | switch (fd) |
| 1041 | { |
| 1042 | case 0: |
| 1043 | fh = IDOS->Input(); |
| 1044 | break; |
| 1045 | case 1: |
| 1046 | fh = IDOS->Output(); |
| 1047 | break; |
| 1048 | case 2: |
| 1049 | fh = IDOS->ErrorOutput(); |
| 1050 | break; |
| 1051 | default: |
| 1052 | break; |
| 1053 | } |
| 1054 | } |
| 1055 | return fh; |
| 1056 | } |