| 1 | |
| 2 | /* |
| 3 | * Copyright © 2001 Novell, Inc. All Rights Reserved. |
| 4 | * |
| 5 | * You may distribute under the terms of either the GNU General Public |
| 6 | * License or the Artistic License, as specified in the README file. |
| 7 | * |
| 8 | */ |
| 9 | |
| 10 | /* |
| 11 | * FILENAME : NWMain.c |
| 12 | * DESCRIPTION : Main function, Commandline handlers and shutdown for NetWare implementation of Perl. |
| 13 | * Author : HYAK, SGP |
| 14 | * Date : January 2001. |
| 15 | * |
| 16 | */ |
| 17 | |
| 18 | |
| 19 | |
| 20 | #ifdef NLM |
| 21 | #define N_PLAT_NLM |
| 22 | #endif |
| 23 | |
| 24 | #undef BYTE |
| 25 | #define BYTE char |
| 26 | |
| 27 | |
| 28 | #include <nwadv.h> |
| 29 | #include <signal.h> |
| 30 | #include <nwdsdefs.h> |
| 31 | |
| 32 | #include "perl.h" |
| 33 | #include "nwutil.h" |
| 34 | #include "stdio.h" |
| 35 | #include "clibstuf.h" |
| 36 | |
| 37 | #ifdef MPK_ON |
| 38 | #include <mpktypes.h> |
| 39 | #include <mpkapis.h> |
| 40 | #endif //MPK_ON |
| 41 | |
| 42 | |
| 43 | // Thread group ID for this NLM. Set only by main when the NLM is initially loaded, |
| 44 | // so it should be okay for this to be global. |
| 45 | // |
| 46 | #ifdef MPK_ON |
| 47 | THREAD gThreadHandle; |
| 48 | #else |
| 49 | int gThreadGroupID = -1; |
| 50 | #endif //MPK_ON |
| 51 | |
| 52 | |
| 53 | // Global to kill all running scripts during NLM unload. |
| 54 | // |
| 55 | bool gKillAll = FALSE; |
| 56 | |
| 57 | |
| 58 | // Global structure needed by OS to register command parser. |
| 59 | // fnRegisterCommandLineHandler gets called only when the NLM is initially loaded, |
| 60 | // so it should be okay for this structure to be a global. |
| 61 | // |
| 62 | static struct commandParserStructure gCmdParser = {0,0,0}; |
| 63 | |
| 64 | |
| 65 | // True if the command-line parsing procedure has been registered with the OS. |
| 66 | // Altered only during initial NLM loading or unloading so it should be okay as a global. |
| 67 | // |
| 68 | BOOL gCmdProcInit = FALSE; |
| 69 | |
| 70 | |
| 71 | // Array to hold the screen name for all new screens. |
| 72 | // |
| 73 | char sPerlScreenName[MAX_DN_BYTES * sizeof(char)] = {'\0'}; |
| 74 | |
| 75 | |
| 76 | // Structure to pass data when spawning new threadgroups to run scripts. |
| 77 | // |
| 78 | typedef struct tagScriptData |
| 79 | { |
| 80 | char *m_commandLine; |
| 81 | BOOL m_fromConsole; |
| 82 | }ScriptData; |
| 83 | |
| 84 | |
| 85 | #define CS_CMD_NOT_FOUND -1 // Console command not found |
| 86 | #define CS_CMD_FOUND 0 // Console command found |
| 87 | |
| 88 | /** |
| 89 | The stack size is make 256k from the earlier 64k since complex scripts (charnames.t and complex.t) |
| 90 | were failing with the lower stack size. In fact, we tested with 128k and it also failed |
| 91 | for the complexity of the script used. In case the complexity of a script is increased, |
| 92 | then this might warrant an increase in the stack size. But instead of simply giving a very large stack, |
| 93 | a trade off was required and we stopped at 256k! |
| 94 | **/ |
| 95 | #define PERL_COMMAND_STACK_SIZE (256*1024L) // Stack size of thread that runs a perl script from command line |
| 96 | |
| 97 | #define MAX_COMMAND_SIZE 512 |
| 98 | |
| 99 | |
| 100 | #define kMaxValueLen 1024 // Size of the Environment variable value limited/truncated to 1024 characters. |
| 101 | #define kMaxVariableNameLen 256 // Size of the Environment variable name. |
| 102 | |
| 103 | |
| 104 | typedef void (*PFUSEACCURATECASEFORPATHS) (int); |
| 105 | typedef LONG (*PFGETFILESERVERMAJORVERSIONNUMBER) (void); |
| 106 | typedef void (*PFUCSTERMINATE) (); // For ucs terminate. |
| 107 | typedef void (*PFUNAUGMENTASTERISK)(BOOL); // For longfile support. |
| 108 | typedef int (*PFFSETMODE) (FILE *, char *); |
| 109 | |
| 110 | |
| 111 | // local function prototypes |
| 112 | // |
| 113 | void fnSigTermHandler(int sig); |
| 114 | void fnRegisterCommandLineHandler(void); |
| 115 | void fnLaunchPerl(void* context); |
| 116 | void fnSetUpEnvBlock(char*** penv); |
| 117 | void fnDestroyEnvBlock(char** env); |
| 118 | int fnFpSetMode(FILE* fp, int mode, int *err); |
| 119 | |
| 120 | void fnGetPerlScreenName(char *sPerlScreenName); |
| 121 | |
| 122 | |
| 123 | |
| 124 | |
| 125 | /*============================================================================================ |
| 126 | |
| 127 | Function : main |
| 128 | |
| 129 | Description : Called when the NLM is first loaded. Registers the command-line handler |
| 130 | and then terminates-stay-resident. |
| 131 | |
| 132 | Parameters : argc (IN) - No of Input strings. |
| 133 | argv (IN) - Array of Input strings. |
| 134 | |
| 135 | Returns : Nothing. |
| 136 | |
| 137 | ==============================================================================================*/ |
| 138 | |
| 139 | void main(int argc, char *argv[]) |
| 140 | { |
| 141 | char sysCmdLine[MAX_COMMAND_SIZE] = {'\0'}; |
| 142 | char cmdLineCopy[sizeof(PERL_COMMAND_NAME)+sizeof(sysCmdLine)+2] = {'\0'}; |
| 143 | |
| 144 | ScriptData* psdata = NULL; |
| 145 | |
| 146 | |
| 147 | // Keep this thread alive, since we use the thread group id of this thread to allocate memory on. |
| 148 | // When we unload the NLM, clib will tear the thread down. |
| 149 | // |
| 150 | #ifdef MPK_ON |
| 151 | gThreadHandle = kCurrentThread(); |
| 152 | #else |
| 153 | gThreadGroupID = GetThreadGroupID (); |
| 154 | #endif //MPK_ON |
| 155 | |
| 156 | signal (SIGTERM, fnSigTermHandler); |
| 157 | fnInitGpfGlobals(); // For importing the CLIB calls in place of the Watcom calls |
| 158 | fnInitializeThreadInfo(); |
| 159 | |
| 160 | |
| 161 | // Ensure that we have a "temp" directory |
| 162 | fnSetupNamespace(); |
| 163 | if (access(DEFTEMP, 0) != 0) |
| 164 | mkdir(DEFTEMP); |
| 165 | |
| 166 | // Create the file NUL if not present. This is done only once per NLM load. |
| 167 | // This is required for -e. |
| 168 | // Earlier verions were creating temporary files (in perl.c file) for -e. |
| 169 | // Now, the technique of creating temporary files are removed since they were |
| 170 | // fragile or insecure or slow. It now uses the memory by setting |
| 171 | // the BIT_BUCKET to "nul" on Win32, which is equivalent to /dev/nul of Unix. |
| 172 | // Since there is no equivalent of /dev/nul on NetWare, the work-around is that |
| 173 | // we create a file called "nul" and the BIT_BUCKET is set to "nul". |
| 174 | // This makes sure that -e works on NetWare too without the creation of temporary files |
| 175 | // in -e code in perl.c |
| 176 | { |
| 177 | char sNUL[MAX_DN_BYTES] = {'\0'}; |
| 178 | |
| 179 | strcpy(sNUL, DEFPERLROOT); |
| 180 | strcat(sNUL, "\\nul"); |
| 181 | if (access((const char *)sNUL, 0) != 0) |
| 182 | { |
| 183 | // The file, "nul" is not found and so create the file. |
| 184 | FILE *fp = NULL; |
| 185 | |
| 186 | fp = fopen((const char *)sNUL, (const char *)"w"); |
| 187 | fclose(fp); |
| 188 | } |
| 189 | } |
| 190 | |
| 191 | fnRegisterCommandLineHandler(); // Register the command line handler |
| 192 | SynchronizeStart(); // Restart the NLM startup process when using synchronization mode. |
| 193 | |
| 194 | fnGetPerlScreenName(sPerlScreenName); // Get the screen name. Done only once per NLM load. |
| 195 | |
| 196 | |
| 197 | // If the command line has two strings, then the first has to be "Perl" and the second is assumed |
| 198 | // to be a script to be run. If only one string (i.e., Perl) is input, then there is nothing to do! |
| 199 | // |
| 200 | if ((argc > 1) && getcmd(sysCmdLine)) |
| 201 | { |
| 202 | strcpy(cmdLineCopy, PERL_COMMAND_NAME); |
| 203 | strcat(cmdLineCopy, (char *)" "); // Space between the Perl Command and the input script name. |
| 204 | strcat(cmdLineCopy, sysCmdLine); // The command line parameters built into |
| 205 | |
| 206 | // Create a safe copy of the command line and pass it to the |
| 207 | // new thread for parsing. The new thread will be responsible |
| 208 | // to delete it when it is finished with it. |
| 209 | // |
| 210 | psdata = (ScriptData *) malloc(sizeof(ScriptData)); |
| 211 | if (psdata) |
| 212 | { |
| 213 | psdata->m_commandLine = NULL; |
| 214 | psdata->m_commandLine = (char *) malloc(MAX_DN_BYTES * sizeof(char)); |
| 215 | if(psdata->m_commandLine) |
| 216 | { |
| 217 | strcpy(psdata->m_commandLine, cmdLineCopy); |
| 218 | psdata->m_fromConsole = TRUE; |
| 219 | |
| 220 | #ifdef MPK_ON |
| 221 | // kStartThread((char *)"ConsoleHandlerThread", fnLaunchPerl, NULL, PERL_COMMAND_STACK_SIZE, (void *)psdata); |
| 222 | // Establish a new thread within a new thread group. |
| 223 | BeginThreadGroup(fnLaunchPerl, NULL, PERL_COMMAND_STACK_SIZE, (void*)psdata); |
| 224 | #else |
| 225 | // Start a new thread in its own thread group |
| 226 | BeginThreadGroup(fnLaunchPerl, NULL, PERL_COMMAND_STACK_SIZE, (void*)psdata); |
| 227 | #endif //MPK_ON |
| 228 | } |
| 229 | else |
| 230 | { |
| 231 | free(psdata); |
| 232 | psdata = NULL; |
| 233 | return; |
| 234 | } |
| 235 | } |
| 236 | else |
| 237 | return; |
| 238 | } |
| 239 | |
| 240 | |
| 241 | // Keep this thread alive, since we use the thread group id of this thread to allocate memory on. |
| 242 | // When we unload the NLM, clib will tear the thread down. |
| 243 | // |
| 244 | #ifdef MPK_ON |
| 245 | kSuspendThread(gThreadHandle); |
| 246 | #else |
| 247 | SuspendThread(GetThreadID()); |
| 248 | #endif //MPK_ON |
| 249 | |
| 250 | |
| 251 | return; |
| 252 | } |
| 253 | |
| 254 | |
| 255 | |
| 256 | /*============================================================================================ |
| 257 | |
| 258 | Function : fnSigTermHandler |
| 259 | |
| 260 | Description : Called when the NLM is unloaded; used to unregister the console command handler. |
| 261 | |
| 262 | Parameters : sig (IN) |
| 263 | |
| 264 | Returns : Nothing. |
| 265 | |
| 266 | ==============================================================================================*/ |
| 267 | |
| 268 | void fnSigTermHandler(int sig) |
| 269 | { |
| 270 | int k = 0; |
| 271 | |
| 272 | |
| 273 | #ifdef MPK_ON |
| 274 | kResumeThread(gThreadHandle); |
| 275 | #endif //MPK_ON |
| 276 | |
| 277 | // Unregister the command line handler. |
| 278 | // |
| 279 | if (gCmdProcInit) |
| 280 | { |
| 281 | UnRegisterConsoleCommand (&gCmdParser); |
| 282 | gCmdProcInit = FALSE; |
| 283 | } |
| 284 | |
| 285 | // Free the global environ buffer |
| 286 | nw_freeenviron(); |
| 287 | |
| 288 | // Kill running scripts. |
| 289 | // |
| 290 | if (!fnTerminateThreadInfo()) |
| 291 | { |
| 292 | ConsolePrintf("Terminating Perl scripts...\n"); |
| 293 | gKillAll = TRUE; |
| 294 | |
| 295 | // fnTerminateThreadInfo will be run for 5 threads. If more threads/scripts are run, |
| 296 | // then the NLM will unload without terminating the thread info and leaks more memory. |
| 297 | // If this number is increased to reduce memory leaks, then it will unnecessarily take more time |
| 298 | // to unload when there are a smaller no of threads. Since this is a rare case, the no is kept as 5. |
| 299 | // |
| 300 | while (!fnTerminateThreadInfo() && k < 5) |
| 301 | { |
| 302 | sleep(1); |
| 303 | k++; |
| 304 | } |
| 305 | } |
| 306 | |
| 307 | // Delete the file, "nul" if present since the NLM is unloaded. |
| 308 | { |
| 309 | char sNUL[MAX_DN_BYTES] = {'\0'}; |
| 310 | |
| 311 | strcpy(sNUL, DEFPERLROOT); |
| 312 | strcat(sNUL, "\\nul"); |
| 313 | if (access((const char *)sNUL, 0) == 0) |
| 314 | { |
| 315 | // The file, "nul" is found and so delete it. |
| 316 | unlink((const char *)sNUL); |
| 317 | } |
| 318 | } |
| 319 | } |
| 320 | |
| 321 | |
| 322 | |
| 323 | /*============================================================================================ |
| 324 | |
| 325 | Function : fnCommandLineHandler |
| 326 | |
| 327 | Description : Gets called by OS when someone enters an unknown command at the system console, |
| 328 | after this routine is registered by RegisterConsoleCommand. |
| 329 | For the valid command we just spawn a thread with enough stack space |
| 330 | to actually run the script. |
| 331 | |
| 332 | Parameters : screenID (IN) - id for the screen. |
| 333 | cmdLine (IN) - Command line string. |
| 334 | |
| 335 | Returns : Long. |
| 336 | |
| 337 | ==============================================================================================*/ |
| 338 | |
| 339 | LONG fnCommandLineHandler (LONG screenID, BYTE * cmdLine) |
| 340 | { |
| 341 | ScriptData* psdata=NULL; |
| 342 | int OsThrdGrpID = -1; |
| 343 | LONG retCode = CS_CMD_FOUND; |
| 344 | char* cptr = NULL; |
| 345 | |
| 346 | |
| 347 | #ifdef MPK_ON |
| 348 | // Initialisation for MPK_ON |
| 349 | #else |
| 350 | OsThrdGrpID = -1; |
| 351 | #endif //MPK_ON |
| 352 | |
| 353 | |
| 354 | #ifdef MPK_ON |
| 355 | // For MPK_ON |
| 356 | #else |
| 357 | if (gThreadGroupID != -1) |
| 358 | OsThrdGrpID = SetThreadGroupID (gThreadGroupID); |
| 359 | #endif //MPK_ON |
| 360 | |
| 361 | |
| 362 | cptr = fnSkipWhite(cmdLine); // Skip white spaces. |
| 363 | if ((strnicmp(cptr, PERL_COMMAND_NAME, strlen(PERL_COMMAND_NAME)) == 0) && |
| 364 | ((cptr[strlen(PERL_COMMAND_NAME)] == ' ') || |
| 365 | (cptr[strlen(PERL_COMMAND_NAME)] == '\t') || |
| 366 | (cptr[strlen(PERL_COMMAND_NAME)] == '\0'))) |
| 367 | { |
| 368 | // Create a safe copy of the command line and pass it to the new thread for parsing. |
| 369 | // The new thread will be responsible to delete it when it is finished with it. |
| 370 | // |
| 371 | psdata = (ScriptData *) malloc(sizeof(ScriptData)); |
| 372 | if (psdata) |
| 373 | { |
| 374 | psdata->m_commandLine = NULL; |
| 375 | psdata->m_commandLine = (char *) malloc(MAX_DN_BYTES * sizeof(char)); |
| 376 | if(psdata->m_commandLine) |
| 377 | { |
| 378 | strcpy(psdata->m_commandLine, (char *)cmdLine); |
| 379 | psdata->m_fromConsole = TRUE; |
| 380 | |
| 381 | #ifdef MPK_ON |
| 382 | // kStartThread((char *)"ConsoleHandlerThread", fnLaunchPerl, NULL, PERL_COMMAND_STACK_SIZE, (void *)psdata); |
| 383 | // Establish a new thread within a new thread group. |
| 384 | BeginThreadGroup(fnLaunchPerl, NULL, PERL_COMMAND_STACK_SIZE, (void*)psdata); |
| 385 | #else |
| 386 | // Start a new thread in its own thread group |
| 387 | BeginThreadGroup(fnLaunchPerl, NULL, PERL_COMMAND_STACK_SIZE, (void*)psdata); |
| 388 | #endif //MPK_ON |
| 389 | } |
| 390 | else |
| 391 | { |
| 392 | free(psdata); |
| 393 | psdata = NULL; |
| 394 | retCode = CS_CMD_NOT_FOUND; |
| 395 | } |
| 396 | } |
| 397 | else |
| 398 | retCode = CS_CMD_NOT_FOUND; |
| 399 | } |
| 400 | else |
| 401 | retCode = CS_CMD_NOT_FOUND; |
| 402 | |
| 403 | |
| 404 | #ifdef MPK_ON |
| 405 | // For MPK_ON |
| 406 | #else |
| 407 | if (OsThrdGrpID != -1) |
| 408 | SetThreadGroupID (OsThrdGrpID); |
| 409 | #endif //MPK_ON |
| 410 | |
| 411 | |
| 412 | return retCode; |
| 413 | } |
| 414 | |
| 415 | |
| 416 | |
| 417 | /*============================================================================================ |
| 418 | |
| 419 | Function : fnRegisterCommandLineHandler |
| 420 | |
| 421 | Description : Registers the console command-line parsing function with the OS. |
| 422 | |
| 423 | Parameters : None. |
| 424 | |
| 425 | Returns : Nothing. |
| 426 | |
| 427 | ==============================================================================================*/ |
| 428 | |
| 429 | void fnRegisterCommandLineHandler(void) |
| 430 | { |
| 431 | // Allocates resource tag for Console Command |
| 432 | if ((gCmdParser.RTag = |
| 433 | AllocateResourceTag (GetNLMHandle(), (char *)"Console Command", ConsoleCommandSignature)) != 0) |
| 434 | { |
| 435 | gCmdParser.parseRoutine = fnCommandLineHandler; // Set the Console Command parsing routine. |
| 436 | RegisterConsoleCommand (&gCmdParser); // Registers the Console Command parsing function |
| 437 | gCmdProcInit = TRUE; |
| 438 | } |
| 439 | |
| 440 | return; |
| 441 | } |
| 442 | |
| 443 | |
| 444 | |
| 445 | /*============================================================================================ |
| 446 | |
| 447 | Function : fnSetupNamespace |
| 448 | |
| 449 | Description : Sets the name space of the current threadgroup to the long name space. |
| 450 | |
| 451 | Parameters : None. |
| 452 | |
| 453 | Returns : Nothing. |
| 454 | |
| 455 | ==============================================================================================*/ |
| 456 | |
| 457 | void fnSetupNamespace(void) |
| 458 | { |
| 459 | SetCurrentNameSpace(NWOS2_NAME_SPACE); |
| 460 | |
| 461 | |
| 462 | //LATER: call SetTargetNameSpace(NWOS2_NAME_SPACE)? Currently, if |
| 463 | // I make this call, then CPerlExe::Rename fails in certain cases, |
| 464 | // and it isn't clear why. Looks like a CLIB bug... |
| 465 | // SetTargetNameSpace(NWOS2_NAME_SPACE); |
| 466 | |
| 467 | //Uncommented that above call, retaining the comment so that it will be easy |
| 468 | //to revert back if there is any problem - sgp - 10th May 2000 |
| 469 | |
| 470 | //Commented again, since Perl debugger had some problems because of |
| 471 | //the above call - sgp - 20th June 2000 |
| 472 | |
| 473 | { |
| 474 | // if running on Moab, call UseAccurateCaseForPaths. This API |
| 475 | // does bad things on 4.11 so we call only for Moab. |
| 476 | PFGETFILESERVERMAJORVERSIONNUMBER pf_getfileservermajorversionnumber = NULL; |
| 477 | pf_getfileservermajorversionnumber = (PFGETFILESERVERMAJORVERSIONNUMBER) |
| 478 | ImportSymbol(GetNLMHandle(), (char *)"GetFileServerMajorVersionNumber"); |
| 479 | if (pf_getfileservermajorversionnumber && ((*pf_getfileservermajorversionnumber)() > 4)) |
| 480 | { |
| 481 | PFUSEACCURATECASEFORPATHS pf_useaccuratecaseforpaths = NULL; |
| 482 | pf_useaccuratecaseforpaths = (PFUSEACCURATECASEFORPATHS) |
| 483 | ImportSymbol(GetNLMHandle(), (char *)"UseAccurateCaseForPaths"); |
| 484 | if (pf_useaccuratecaseforpaths) |
| 485 | (*pf_useaccuratecaseforpaths)(TRUE); |
| 486 | { |
| 487 | PFUNAUGMENTASTERISK pf_unaugmentasterisk = NULL; |
| 488 | pf_unaugmentasterisk = (PFUNAUGMENTASTERISK) |
| 489 | ImportSymbol(GetNLMHandle(), (char *)"UnAugmentAsterisk"); |
| 490 | if (pf_unaugmentasterisk) |
| 491 | (*pf_unaugmentasterisk)(TRUE); |
| 492 | } |
| 493 | } |
| 494 | } |
| 495 | |
| 496 | return; |
| 497 | } |
| 498 | |
| 499 | |
| 500 | |
| 501 | /*============================================================================================ |
| 502 | |
| 503 | Function : fnLaunchPerl |
| 504 | |
| 505 | Description : Parse the command line into argc/argv style parameters and then run the script. |
| 506 | |
| 507 | Parameters : context (IN) - void* that will be typecasted to ScriptDate structure. |
| 508 | |
| 509 | Returns : Nothing. |
| 510 | |
| 511 | ==============================================================================================*/ |
| 512 | |
| 513 | void fnLaunchPerl(void* context) |
| 514 | { |
| 515 | char* defaultDir = NULL; |
| 516 | char curdir[_MAX_PATH] = {'\0'}; |
| 517 | ScriptData* psdata = (ScriptData *) context; |
| 518 | |
| 519 | unsigned int moduleHandle = 0; |
| 520 | int currentThreadGroupID = -1; |
| 521 | |
| 522 | #ifdef MPK_ON |
| 523 | kExitNetWare(); |
| 524 | #endif //MPK_ON |
| 525 | |
| 526 | errno = 0; |
| 527 | |
| 528 | |
| 529 | if (psdata->m_fromConsole) |
| 530 | { |
| 531 | // get the default working directory name |
| 532 | // |
| 533 | defaultDir = fnNwGetEnvironmentStr("PERL_ROOT", DEFPERLROOT); |
| 534 | } |
| 535 | else |
| 536 | defaultDir = getcwd(curdir, sizeof(curdir)-1); |
| 537 | |
| 538 | // set long name space |
| 539 | // |
| 540 | fnSetupNamespace(); |
| 541 | |
| 542 | // make the working directory the current directory if from console |
| 543 | // |
| 544 | if (psdata->m_fromConsole) |
| 545 | chdir(defaultDir); |
| 546 | |
| 547 | |
| 548 | // run the script |
| 549 | // |
| 550 | fnRunScript(psdata); |
| 551 | |
| 552 | |
| 553 | // May have to check this, I am blindly calling UCSTerminate, irrespective of |
| 554 | // whether it is initialized or not |
| 555 | // Copied from the previous Perl - sgp - 31st Oct 2000 |
| 556 | moduleHandle = FindNLMHandle("UCSCORE.NLM"); |
| 557 | if (moduleHandle) |
| 558 | { |
| 559 | PFUCSTERMINATE ucsterminate = (PFUCSTERMINATE)ImportSymbol(moduleHandle, "therealUCSTerminate"); |
| 560 | if (ucsterminate!=NULL) |
| 561 | (*ucsterminate)(); |
| 562 | } |
| 563 | |
| 564 | |
| 565 | if (psdata->m_fromConsole) |
| 566 | { |
| 567 | // change thread groups for the call to free the memory |
| 568 | // allocated before the new thread group was started |
| 569 | #ifdef MPK_ON |
| 570 | // For MPK_ON |
| 571 | #else |
| 572 | if (gThreadGroupID != -1) |
| 573 | currentThreadGroupID = SetThreadGroupID (gThreadGroupID); |
| 574 | #endif //MPK_ON |
| 575 | } |
| 576 | |
| 577 | // Free memory |
| 578 | if (psdata) |
| 579 | { |
| 580 | if(psdata->m_commandLine) |
| 581 | { |
| 582 | free(psdata->m_commandLine); |
| 583 | psdata->m_commandLine = NULL; |
| 584 | } |
| 585 | |
| 586 | free(psdata); |
| 587 | psdata = NULL; |
| 588 | context = NULL; |
| 589 | } |
| 590 | |
| 591 | #ifdef MPK_ON |
| 592 | // For MPK_ON |
| 593 | #else |
| 594 | if (currentThreadGroupID != -1) |
| 595 | SetThreadGroupID (currentThreadGroupID); |
| 596 | #endif //MPK_ON |
| 597 | |
| 598 | #ifdef MPK_ON |
| 599 | // kExitThread(NULL); |
| 600 | #else |
| 601 | // just let the thread terminate by falling off the end of the |
| 602 | // function started by BeginThreadGroup |
| 603 | // ExitThread(EXIT_THREAD, 0); |
| 604 | #endif |
| 605 | |
| 606 | |
| 607 | return; |
| 608 | } |
| 609 | |
| 610 | |
| 611 | |
| 612 | /*============================================================================================ |
| 613 | |
| 614 | Function : fnRunScript |
| 615 | |
| 616 | Description : Parses and runs a perl script. |
| 617 | |
| 618 | Parameters : psdata (IN) - ScriptData structure. |
| 619 | |
| 620 | Returns : Nothing. |
| 621 | |
| 622 | ==============================================================================================*/ |
| 623 | |
| 624 | void fnRunScript(ScriptData* psdata) |
| 625 | { |
| 626 | char **av=NULL; |
| 627 | char **en=NULL; |
| 628 | int exitstatus = 1; |
| 629 | int i=0, j=0; |
| 630 | int *dummy = 0; |
| 631 | |
| 632 | PCOMMANDLINEPARSER pclp = NULL; |
| 633 | |
| 634 | // Set up the environment block. This will only work on |
| 635 | // on Moab; on 4.11 the environment block will be empty. |
| 636 | char** env = NULL; |
| 637 | |
| 638 | BOOL use_system_console = TRUE; |
| 639 | BOOL newscreen = FALSE; |
| 640 | int newscreenhandle = 0; |
| 641 | |
| 642 | // redirect stdin or stdout and run the script |
| 643 | FILE* redirOut = NULL; |
| 644 | FILE* redirIn = NULL; |
| 645 | FILE* redirErr = NULL; |
| 646 | FILE* stderr_fp = NULL; |
| 647 | |
| 648 | int stdin_fd=-1, stdin_fd_dup=-1; |
| 649 | int stdout_fd=-1, stdout_fd_dup=-1; |
| 650 | int stderr_fd=-1, stderr_fd_dup=-1; |
| 651 | |
| 652 | |
| 653 | |
| 654 | // Main callback instance |
| 655 | // |
| 656 | if (fnRegisterWithThreadTable() == FALSE) |
| 657 | return; |
| 658 | |
| 659 | |
| 660 | // parse the command line into argc/argv style: |
| 661 | // number of params and char array of params |
| 662 | // |
| 663 | pclp = (PCOMMANDLINEPARSER) malloc(sizeof(COMMANDLINEPARSER)); |
| 664 | if (!pclp) |
| 665 | { |
| 666 | fnUnregisterWithThreadTable(); |
| 667 | return; |
| 668 | } |
| 669 | |
| 670 | |
| 671 | // Initialise the variables |
| 672 | pclp->m_isValid = TRUE; |
| 673 | pclp->m_redirInName = NULL; |
| 674 | pclp->m_redirOutName = NULL; |
| 675 | pclp->m_redirErrName = NULL; |
| 676 | pclp->m_redirBothName = NULL; |
| 677 | pclp->nextarg = NULL; |
| 678 | pclp->sSkippedToken = NULL; |
| 679 | pclp->m_argv = NULL; |
| 680 | pclp->new_argv = NULL; |
| 681 | |
| 682 | #ifdef MPK_ON |
| 683 | pclp->m_qSemaphore = NULL; |
| 684 | #else |
| 685 | pclp->m_qSemaphore = 0L; |
| 686 | #endif //MPK_ON |
| 687 | |
| 688 | pclp->m_noScreen = 0; |
| 689 | pclp->m_AutoDestroy = 0; |
| 690 | pclp->m_argc = 0; |
| 691 | pclp->m_argv_len = 1; |
| 692 | |
| 693 | |
| 694 | // Allocate memory |
| 695 | pclp->m_argv = (char **) malloc(pclp->m_argv_len * sizeof(char *)); |
| 696 | if (pclp->m_argv == NULL) |
| 697 | { |
| 698 | free(pclp); |
| 699 | pclp = NULL; |
| 700 | |
| 701 | fnUnregisterWithThreadTable(); |
| 702 | return; |
| 703 | } |
| 704 | |
| 705 | pclp->m_argv[0] = (char *) malloc(MAX_DN_BYTES * sizeof(char)); |
| 706 | if (pclp->m_argv[0] == NULL) |
| 707 | { |
| 708 | free(pclp->m_argv); |
| 709 | pclp->m_argv=NULL; |
| 710 | |
| 711 | free(pclp); |
| 712 | pclp = NULL; |
| 713 | |
| 714 | fnUnregisterWithThreadTable(); |
| 715 | return; |
| 716 | } |
| 717 | |
| 718 | |
| 719 | // Parse the command line |
| 720 | fnCommandLineParser(pclp, (char *)psdata->m_commandLine, FALSE); |
| 721 | if (!pclp->m_isValid) |
| 722 | { |
| 723 | if(pclp->m_argv) |
| 724 | { |
| 725 | for(i=0; i<pclp->m_argv_len; i++) |
| 726 | { |
| 727 | if(pclp->m_argv[i] != NULL) |
| 728 | { |
| 729 | free(pclp->m_argv[i]); |
| 730 | pclp->m_argv[i] = NULL; |
| 731 | } |
| 732 | } |
| 733 | |
| 734 | free(pclp->m_argv); |
| 735 | pclp->m_argv = NULL; |
| 736 | } |
| 737 | |
| 738 | if(pclp->nextarg) |
| 739 | { |
| 740 | free(pclp->nextarg); |
| 741 | pclp->nextarg = NULL; |
| 742 | } |
| 743 | if(pclp->sSkippedToken != NULL) |
| 744 | { |
| 745 | free(pclp->sSkippedToken); |
| 746 | pclp->sSkippedToken = NULL; |
| 747 | } |
| 748 | |
| 749 | if(pclp->m_redirInName) |
| 750 | { |
| 751 | free(pclp->m_redirInName); |
| 752 | pclp->m_redirInName = NULL; |
| 753 | } |
| 754 | if(pclp->m_redirOutName) |
| 755 | { |
| 756 | free(pclp->m_redirOutName); |
| 757 | pclp->m_redirOutName = NULL; |
| 758 | } |
| 759 | if(pclp->m_redirErrName) |
| 760 | { |
| 761 | free(pclp->m_redirErrName); |
| 762 | pclp->m_redirErrName = NULL; |
| 763 | } |
| 764 | if(pclp->m_redirBothName) |
| 765 | { |
| 766 | free(pclp->m_redirBothName); |
| 767 | pclp->m_redirBothName = NULL; |
| 768 | } |
| 769 | |
| 770 | |
| 771 | // Signal a semaphore, if indicated by "-{" option, to indicate that |
| 772 | // the script has terminated and files are closed |
| 773 | // |
| 774 | if (pclp->m_qSemaphore != 0) |
| 775 | { |
| 776 | #ifdef MPK_ON |
| 777 | kSemaphoreSignal(pclp->m_qSemaphore); |
| 778 | #else |
| 779 | SignalLocalSemaphore(pclp->m_qSemaphore); |
| 780 | #endif //MPK_ON |
| 781 | } |
| 782 | |
| 783 | free(pclp); |
| 784 | pclp = NULL; |
| 785 | |
| 786 | fnUnregisterWithThreadTable(); |
| 787 | return; |
| 788 | } |
| 789 | |
| 790 | |
| 791 | // Simulating a shell on NetWare can be difficult. If you don't |
| 792 | // create a new screen for the script to run in, you can output to |
| 793 | // the console but you can't get any input from the console. Therefore, |
| 794 | // every invocation of perl potentially needs its own screen unless |
| 795 | // you are running either "perl -h" or "perl -v" or you are redirecting |
| 796 | // stdin from a file. |
| 797 | // |
| 798 | // So we need to create a new screen and set that screen as the current |
| 799 | // screen when running any script launched from the console that is not |
| 800 | // "perl -h" or "perl -v" and is not redirecting stdin from a file. |
| 801 | // |
| 802 | // But it would be a little weird if we didn't create a new screen only |
| 803 | // in the case when redirecting stdin from a file; in only that case, |
| 804 | // stdout would be the console instead of a new screen. |
| 805 | // |
| 806 | // There is also the issue of standard err. In short, we might as well |
| 807 | // create a new screen no matter what is going on with redirection, just |
| 808 | // for the sake of consistency. |
| 809 | // |
| 810 | // In summary, we should a create a new screen and make that screen the |
| 811 | // current screen unless one of the following is true: |
| 812 | // * The command is "perl -h" |
| 813 | // * The command is "perl -v" |
| 814 | // * The script was launched by another perl script. In this case, |
| 815 | // the screen belonging to the parent perl script should probably be |
| 816 | // the same screen for this process. And it will be if use BeginThread |
| 817 | // instead of BeginThreadGroup when launching Perl from within a Perl |
| 818 | // script. |
| 819 | // |
| 820 | // In those cases where we create a new screen we should probably also display |
| 821 | // that screen. |
| 822 | // |
| 823 | |
| 824 | use_system_console = pclp->m_noScreen || |
| 825 | ((pclp->m_argc == 2) && (strcmp(pclp->m_argv[1], (char *)"-h") == 0)) || |
| 826 | ((pclp->m_argc == 2) && (strcmp(pclp->m_argv[1], (char *)"-v") == 0)); |
| 827 | |
| 828 | newscreen = (!use_system_console) && psdata->m_fromConsole; |
| 829 | |
| 830 | if (newscreen) |
| 831 | { |
| 832 | newscreenhandle = CreateScreen(sPerlScreenName, 0); |
| 833 | if (newscreenhandle) |
| 834 | DisplayScreen(newscreenhandle); |
| 835 | } |
| 836 | else if (use_system_console) |
| 837 | CreateScreen((char *)"System Console", 0); |
| 838 | |
| 839 | |
| 840 | if (pclp->m_redirInName) |
| 841 | { |
| 842 | if ((stdin_fd = fileno(stdin)) != -1) |
| 843 | { |
| 844 | stdin_fd_dup = dup(stdin_fd); |
| 845 | if (stdin_fd_dup != -1) |
| 846 | { |
| 847 | redirIn = fdopen (stdin_fd_dup, (char const *)"r"); |
| 848 | if (redirIn) |
| 849 | stdin = freopen (pclp->m_redirInName, (char const *)"r", redirIn); |
| 850 | if (!stdin) |
| 851 | { |
| 852 | redirIn = NULL; |
| 853 | // undo the redirect, if possible |
| 854 | stdin = fdopen(stdin_fd, (char const *)"r"); |
| 855 | } |
| 856 | } |
| 857 | } |
| 858 | } |
| 859 | |
| 860 | /** |
| 861 | The below code stores the handle for the existing stdout to be used later and the existing stdout is closed. |
| 862 | stdout is then initialised to the new File pointer where the operations are done onto that. |
| 863 | Later (look below for the code), the saved stdout is restored back. |
| 864 | **/ |
| 865 | if (pclp->m_redirOutName) |
| 866 | { |
| 867 | if ((stdout_fd = fileno(stdout)) != -1) // Handle of the existing stdout. |
| 868 | { |
| 869 | stdout_fd_dup = dup(stdout_fd); |
| 870 | if (stdout_fd_dup != -1) |
| 871 | { |
| 872 | // Close the existing stdout. |
| 873 | fflush(stdout); // Write any unwritten data to the file. |
| 874 | |
| 875 | // New stdout |
| 876 | redirOut = fdopen (stdout_fd_dup, (char const *)"w"); |
| 877 | if (redirOut) |
| 878 | stdout = freopen (pclp->m_redirOutName, (char const *)"w", redirOut); |
| 879 | if (!stdout) |
| 880 | { |
| 881 | redirOut = NULL; |
| 882 | // Undo the redirection. |
| 883 | stdout = fdopen(stdout_fd, (char const *)"w"); |
| 884 | } |
| 885 | setbuf(stdout, NULL); // Unbuffered file pointer. |
| 886 | } |
| 887 | } |
| 888 | } |
| 889 | |
| 890 | if (pclp->m_redirErrName) |
| 891 | { |
| 892 | if ((stderr_fd = fileno(stderr)) != -1) |
| 893 | { |
| 894 | stderr_fd_dup = dup(stderr_fd); |
| 895 | if (stderr_fd_dup != -1) |
| 896 | { |
| 897 | fflush(stderr); |
| 898 | |
| 899 | redirErr = fdopen (stderr_fd_dup, (char const *)"w"); |
| 900 | if (redirErr) |
| 901 | stderr = freopen (pclp->m_redirErrName, (char const *)"w", redirErr); |
| 902 | if (!stderr) |
| 903 | { |
| 904 | redirErr = NULL; |
| 905 | // undo the redirect, if possible |
| 906 | stderr = fdopen(stderr_fd, (char const *)"w"); |
| 907 | } |
| 908 | setbuf(stderr, NULL); // Unbuffered file pointer. |
| 909 | } |
| 910 | } |
| 911 | } |
| 912 | |
| 913 | if (pclp->m_redirBothName) |
| 914 | { |
| 915 | if ((stdout_fd = fileno(stdout)) != -1) |
| 916 | { |
| 917 | stdout_fd_dup = dup(stdout_fd); |
| 918 | if (stdout_fd_dup != -1) |
| 919 | { |
| 920 | fflush(stdout); |
| 921 | |
| 922 | redirOut = fdopen (stdout_fd_dup, (char const *)"w"); |
| 923 | if (redirOut) |
| 924 | stdout = freopen (pclp->m_redirBothName, (char const *)"w", redirOut); |
| 925 | if (!stdout) |
| 926 | { |
| 927 | redirOut = NULL; |
| 928 | // undo the redirect, if possible |
| 929 | stdout = fdopen(stdout_fd, (char const *)"w"); |
| 930 | } |
| 931 | setbuf(stdout, NULL); // Unbuffered file pointer. |
| 932 | } |
| 933 | } |
| 934 | if ((stderr_fd = fileno(stderr)) != -1) |
| 935 | { |
| 936 | stderr_fp = stderr; |
| 937 | stderr = stdout; |
| 938 | } |
| 939 | } |
| 940 | |
| 941 | |
| 942 | env = NULL; |
| 943 | fnSetUpEnvBlock(&env); // Set up the ENV block |
| 944 | |
| 945 | // Run the Perl script |
| 946 | exitstatus = RunPerl(pclp->m_argc, pclp->m_argv, env); |
| 947 | |
| 948 | |
| 949 | // clean up any redirection |
| 950 | // |
| 951 | if (pclp->m_redirInName && redirIn) |
| 952 | { |
| 953 | fclose(stdin); |
| 954 | stdin = fdopen(stdin_fd, (char const *)"r"); // Put back the old handle for stdin. |
| 955 | } |
| 956 | |
| 957 | if (pclp->m_redirOutName && redirOut) |
| 958 | { |
| 959 | // Close the new stdout. |
| 960 | fflush(stdout); |
| 961 | fclose(stdout); |
| 962 | |
| 963 | // Put back the old handle for stdout. |
| 964 | stdout = fdopen(stdout_fd, (char const *)"w"); |
| 965 | setbuf(stdout, NULL); // Unbuffered file pointer. |
| 966 | } |
| 967 | |
| 968 | if (pclp->m_redirErrName && redirErr) |
| 969 | { |
| 970 | fflush(stderr); |
| 971 | fclose(stderr); |
| 972 | |
| 973 | stderr = fdopen(stderr_fd, (char const *)"w"); // Put back the old handle for stderr. |
| 974 | setbuf(stderr, NULL); // Unbuffered file pointer. |
| 975 | } |
| 976 | |
| 977 | if (pclp->m_redirBothName && redirOut) |
| 978 | { |
| 979 | stderr = stderr_fp; |
| 980 | |
| 981 | fflush(stdout); |
| 982 | fclose(stdout); |
| 983 | |
| 984 | stdout = fdopen(stdout_fd, (char const *)"w"); // Put back the old handle for stdout. |
| 985 | setbuf(stdout, NULL); // Unbuffered file pointer. |
| 986 | } |
| 987 | |
| 988 | |
| 989 | if (newscreen && newscreenhandle) |
| 990 | { |
| 991 | //added for --autodestroy switch |
| 992 | if(!pclp->m_AutoDestroy) |
| 993 | { |
| 994 | if ((redirOut == NULL) && (redirIn == NULL) && (!gKillAll)) |
| 995 | { |
| 996 | printf((char *)"\n\nPress any key to exit\n"); |
| 997 | getch(); |
| 998 | } |
| 999 | } |
| 1000 | DestroyScreen(newscreenhandle); |
| 1001 | } |
| 1002 | |
| 1003 | // Set the mode for stdin and stdout |
| 1004 | fnFpSetMode(stdin, O_TEXT, dummy); |
| 1005 | fnFpSetMode(stdout, O_TEXT, dummy); |
| 1006 | |
| 1007 | // Cleanup |
| 1008 | if(pclp->m_argv) |
| 1009 | { |
| 1010 | for(i=0; i<pclp->m_argv_len; i++) |
| 1011 | { |
| 1012 | if(pclp->m_argv[i] != NULL) |
| 1013 | { |
| 1014 | free(pclp->m_argv[i]); |
| 1015 | pclp->m_argv[i] = NULL; |
| 1016 | } |
| 1017 | } |
| 1018 | |
| 1019 | free(pclp->m_argv); |
| 1020 | pclp->m_argv = NULL; |
| 1021 | } |
| 1022 | |
| 1023 | if(pclp->nextarg) |
| 1024 | { |
| 1025 | free(pclp->nextarg); |
| 1026 | pclp->nextarg = NULL; |
| 1027 | } |
| 1028 | if(pclp->sSkippedToken != NULL) |
| 1029 | { |
| 1030 | free(pclp->sSkippedToken); |
| 1031 | pclp->sSkippedToken = NULL; |
| 1032 | } |
| 1033 | |
| 1034 | if(pclp->m_redirInName) |
| 1035 | { |
| 1036 | free(pclp->m_redirInName); |
| 1037 | pclp->m_redirInName = NULL; |
| 1038 | } |
| 1039 | if(pclp->m_redirOutName) |
| 1040 | { |
| 1041 | free(pclp->m_redirOutName); |
| 1042 | pclp->m_redirOutName = NULL; |
| 1043 | } |
| 1044 | if(pclp->m_redirErrName) |
| 1045 | { |
| 1046 | free(pclp->m_redirErrName); |
| 1047 | pclp->m_redirErrName = NULL; |
| 1048 | } |
| 1049 | if(pclp->m_redirBothName) |
| 1050 | { |
| 1051 | free(pclp->m_redirBothName); |
| 1052 | pclp->m_redirBothName = NULL; |
| 1053 | } |
| 1054 | |
| 1055 | |
| 1056 | // Signal a semaphore, if indicated by -{ option, to indicate that |
| 1057 | // the script has terminated and files are closed |
| 1058 | // |
| 1059 | if (pclp->m_qSemaphore != 0) |
| 1060 | { |
| 1061 | #ifdef MPK_ON |
| 1062 | kSemaphoreSignal(pclp->m_qSemaphore); |
| 1063 | #else |
| 1064 | SignalLocalSemaphore(pclp->m_qSemaphore); |
| 1065 | #endif //MPK_ON |
| 1066 | } |
| 1067 | |
| 1068 | if(pclp) |
| 1069 | { |
| 1070 | free(pclp); |
| 1071 | pclp = NULL; |
| 1072 | } |
| 1073 | |
| 1074 | if(env) |
| 1075 | fnDestroyEnvBlock(env); |
| 1076 | fnUnregisterWithThreadTable(); |
| 1077 | // Remove the thread context set during Perl_set_context |
| 1078 | Remove_Thread_Ctx(); |
| 1079 | |
| 1080 | |
| 1081 | return; |
| 1082 | } |
| 1083 | |
| 1084 | |
| 1085 | |
| 1086 | /*============================================================================================ |
| 1087 | |
| 1088 | Function : fnSetUpEnvBlock |
| 1089 | |
| 1090 | Description : Sets up the initial environment block. |
| 1091 | |
| 1092 | Parameters : penv (IN) - ENV variable as char***. |
| 1093 | |
| 1094 | Returns : Nothing. |
| 1095 | |
| 1096 | ==============================================================================================*/ |
| 1097 | |
| 1098 | void fnSetUpEnvBlock(char*** penv) |
| 1099 | { |
| 1100 | char** env = NULL; |
| 1101 | |
| 1102 | int sequence = 0; |
| 1103 | char var[kMaxVariableNameLen+1] = {'\0'}; |
| 1104 | char val[kMaxValueLen+1] = {'\0'}; |
| 1105 | char both[kMaxVariableNameLen + kMaxValueLen + 5] = {'\0'}; |
| 1106 | size_t len = kMaxValueLen; |
| 1107 | int totalcnt = 0; |
| 1108 | |
| 1109 | while(scanenv( &sequence, var, &len, val )) |
| 1110 | { |
| 1111 | totalcnt++; |
| 1112 | len = kMaxValueLen; |
| 1113 | } |
| 1114 | // add one for null termination |
| 1115 | totalcnt++; |
| 1116 | |
| 1117 | |
| 1118 | env = (char **) malloc (totalcnt * sizeof(char *)); |
| 1119 | if (env) |
| 1120 | { |
| 1121 | int cnt = 0; |
| 1122 | int i = 0; |
| 1123 | |
| 1124 | sequence = 0; |
| 1125 | len = kMaxValueLen; |
| 1126 | |
| 1127 | while( (cnt < (totalcnt-1)) && scanenv( &sequence, var, &len, val ) ) |
| 1128 | { |
| 1129 | val[len] = '\0'; |
| 1130 | strcpy( both, var ); |
| 1131 | strcat( both, (char *)"=" ); |
| 1132 | strcat( both, val ); |
| 1133 | |
| 1134 | env[cnt] = (char *) malloc((sizeof(both)+1) * sizeof(char)); |
| 1135 | if (env[cnt]) |
| 1136 | { |
| 1137 | strcpy(env[cnt], both); |
| 1138 | cnt++; |
| 1139 | } |
| 1140 | else |
| 1141 | { |
| 1142 | for(i=0; i<cnt; i++) |
| 1143 | { |
| 1144 | if(env[i]) |
| 1145 | { |
| 1146 | free(env[i]); |
| 1147 | env[i] = NULL; |
| 1148 | } |
| 1149 | } |
| 1150 | |
| 1151 | free(env); |
| 1152 | env = NULL; |
| 1153 | |
| 1154 | return; |
| 1155 | } |
| 1156 | |
| 1157 | len = kMaxValueLen; |
| 1158 | } |
| 1159 | |
| 1160 | for(i=cnt; i<=(totalcnt-1); i++) |
| 1161 | env[i] = NULL; |
| 1162 | } |
| 1163 | else |
| 1164 | return; |
| 1165 | |
| 1166 | *penv = env; |
| 1167 | |
| 1168 | return; |
| 1169 | } |
| 1170 | |
| 1171 | |
| 1172 | |
| 1173 | /*============================================================================================ |
| 1174 | |
| 1175 | Function : fnDestroyEnvBlock |
| 1176 | |
| 1177 | Description : Frees resources used by the ENV block. |
| 1178 | |
| 1179 | Parameters : env (IN) - ENV variable as char**. |
| 1180 | |
| 1181 | Returns : Nothing. |
| 1182 | |
| 1183 | ==============================================================================================*/ |
| 1184 | |
| 1185 | void fnDestroyEnvBlock(char** env) |
| 1186 | { |
| 1187 | // It is assumed that this block is entered only if env is TRUE. So, the calling function |
| 1188 | // must check for this condition before calling fnDestroyEnvBlock. |
| 1189 | // If no check is made by the calling function, then the server abends. |
| 1190 | int k = 0; |
| 1191 | while (env[k] != NULL) |
| 1192 | { |
| 1193 | free(env[k]); |
| 1194 | env[k] = NULL; |
| 1195 | k++; |
| 1196 | } |
| 1197 | |
| 1198 | free(env); |
| 1199 | env = NULL; |
| 1200 | |
| 1201 | return; |
| 1202 | } |
| 1203 | |
| 1204 | |
| 1205 | |
| 1206 | /*============================================================================================ |
| 1207 | |
| 1208 | Function : fnFpSetMode |
| 1209 | |
| 1210 | Description : Sets the mode for a file. |
| 1211 | |
| 1212 | Parameters : fp (IN) - FILE pointer for the input file. |
| 1213 | mode (IN) - Mode to be set |
| 1214 | e (OUT) - Error. |
| 1215 | |
| 1216 | Returns : Integer which is the set value. |
| 1217 | |
| 1218 | ==============================================================================================*/ |
| 1219 | |
| 1220 | int fnFpSetMode(FILE* fp, int mode, int *err) |
| 1221 | { |
| 1222 | int ret = -1; |
| 1223 | |
| 1224 | PFFSETMODE pf_fsetmode; |
| 1225 | |
| 1226 | |
| 1227 | if (mode == O_BINARY || mode == O_TEXT) |
| 1228 | { |
| 1229 | if (fp) |
| 1230 | { |
| 1231 | errno = 0; |
| 1232 | // the setmode call is not implemented (correctly) on NetWare, |
| 1233 | // but the CLIB guys were kind enough to provide another |
| 1234 | // call, fsetmode, which does a similar thing. It only works |
| 1235 | // on Moab |
| 1236 | pf_fsetmode = (PFFSETMODE) ImportSymbol(GetNLMHandle(), (char *)"fsetmode"); |
| 1237 | if (pf_fsetmode) |
| 1238 | ret = (*pf_fsetmode) (fp, ((mode == O_BINARY) ? "b" : "t")); |
| 1239 | else |
| 1240 | { |
| 1241 | // we are on 4.11 instead of Moab, so we just return an error |
| 1242 | errno = ESERVER; |
| 1243 | err = &errno; |
| 1244 | } |
| 1245 | if (errno) |
| 1246 | err = &errno; |
| 1247 | |
| 1248 | } |
| 1249 | else |
| 1250 | { |
| 1251 | errno = EBADF; |
| 1252 | err = &errno; |
| 1253 | } |
| 1254 | } |
| 1255 | else |
| 1256 | { |
| 1257 | errno = EINVAL; |
| 1258 | err = &errno; |
| 1259 | } |
| 1260 | |
| 1261 | |
| 1262 | return ret; |
| 1263 | } |
| 1264 | |
| 1265 | |
| 1266 | |
| 1267 | /*============================================================================================ |
| 1268 | |
| 1269 | Function : fnInternalPerlLaunchHandler |
| 1270 | |
| 1271 | Description : Gets called by perl to spawn a new instance of perl. |
| 1272 | |
| 1273 | Parameters : cndLine (IN) - Command Line string. |
| 1274 | |
| 1275 | Returns : Nothing. |
| 1276 | |
| 1277 | ==============================================================================================*/ |
| 1278 | |
| 1279 | void fnInternalPerlLaunchHandler(char* cmdLine) |
| 1280 | { |
| 1281 | int currentThreadGroup = -1; |
| 1282 | |
| 1283 | ScriptData* psdata=NULL; |
| 1284 | |
| 1285 | |
| 1286 | // Create a safe copy of the command line and pass it to the |
| 1287 | // new thread for parsing. The new thread will be responsible |
| 1288 | // to delete it when it is finished with it. |
| 1289 | psdata = (ScriptData *) malloc(sizeof(ScriptData)); |
| 1290 | if (psdata) |
| 1291 | { |
| 1292 | psdata->m_commandLine = NULL; |
| 1293 | psdata->m_commandLine = (char *) malloc(MAX_DN_BYTES * sizeof(char)); |
| 1294 | |
| 1295 | if(psdata->m_commandLine) |
| 1296 | { |
| 1297 | strcpy(psdata->m_commandLine, cmdLine); |
| 1298 | psdata->m_fromConsole = FALSE; |
| 1299 | |
| 1300 | #ifdef MPK_ON |
| 1301 | BeginThread(fnLaunchPerl, NULL, PERL_COMMAND_STACK_SIZE, (void*)psdata); |
| 1302 | #else |
| 1303 | // Start a new thread in its own thread group |
| 1304 | BeginThread(fnLaunchPerl, NULL, PERL_COMMAND_STACK_SIZE, (void*)psdata); |
| 1305 | #endif //MPK_ON |
| 1306 | } |
| 1307 | else |
| 1308 | { |
| 1309 | free(psdata); |
| 1310 | psdata = NULL; |
| 1311 | return; |
| 1312 | } |
| 1313 | } |
| 1314 | else |
| 1315 | return; |
| 1316 | |
| 1317 | return; |
| 1318 | } |
| 1319 | |
| 1320 | |
| 1321 | |
| 1322 | /*============================================================================================ |
| 1323 | |
| 1324 | Function : fnGetPerlScreenName |
| 1325 | |
| 1326 | Description : This function creates the Perl screen name. |
| 1327 | Gets called from main only once when the Perl NLM loads. |
| 1328 | |
| 1329 | Parameters : sPerlScreenName (OUT) - Resultant Perl screen name. |
| 1330 | |
| 1331 | Returns : Nothing. |
| 1332 | |
| 1333 | ==============================================================================================*/ |
| 1334 | |
| 1335 | void fnGetPerlScreenName(char *sPerlScreenName) |
| 1336 | { |
| 1337 | // HYAK: |
| 1338 | // The logic for using 32 in the below array sizes is like this: |
| 1339 | // The NetWare CLIB SDK documentation says that for base 2 conversion, |
| 1340 | // this number must be minimum 8. Also, in the example of the documentation, |
| 1341 | // 20 is used as the size and testing is done for bases from 2 upto 16. |
| 1342 | // So, to simply chose a number above 20 and also keeping in mind not to reserve |
| 1343 | // unnecessary big array sizes, I have chosen 32 ! |
| 1344 | // Less than that may also suffice. |
| 1345 | char sPerlRevision[32 * sizeof(char)] = {'\0'}; |
| 1346 | char sPerlVersion[32 * sizeof(char)] = {'\0'}; |
| 1347 | char sPerlSubVersion[32 * sizeof(char)] = {'\0'}; |
| 1348 | |
| 1349 | // The defines for PERL_REVISION, PERL_VERSION, PERL_SUBVERSION are available in |
| 1350 | // patchlevel.h under root and gets included when perl.h is included. |
| 1351 | // The number 10 below indicates base 10. |
| 1352 | itoa(PERL_REVISION, sPerlRevision, 10); |
| 1353 | itoa(PERL_VERSION, sPerlVersion, 10); |
| 1354 | itoa(PERL_SUBVERSION, sPerlSubVersion, 10); |
| 1355 | |
| 1356 | // Concatenate substrings to get a string like Perl5.6.1 which is used as the screen name. |
| 1357 | sprintf(sPerlScreenName, "%s%s.%s.%s", PERL_COMMAND_NAME, |
| 1358 | sPerlRevision, sPerlVersion, sPerlSubVersion); |
| 1359 | |
| 1360 | return; |
| 1361 | } |
| 1362 | |
| 1363 | |
| 1364 | |
| 1365 | // Global variable to hold the environ information. |
| 1366 | // First time it is accessed, it will be created and initialized and |
| 1367 | // next time onwards, the pointer will be returned. |
| 1368 | |
| 1369 | // Improvements - Dynamically read env everytime a request comes - Is this required? |
| 1370 | char** genviron = NULL; |
| 1371 | |
| 1372 | |
| 1373 | /*============================================================================================ |
| 1374 | |
| 1375 | Function : nw_getenviron |
| 1376 | |
| 1377 | Description : Gets the environment information. |
| 1378 | |
| 1379 | Parameters : None. |
| 1380 | |
| 1381 | Returns : Nothing. |
| 1382 | |
| 1383 | ==============================================================================================*/ |
| 1384 | |
| 1385 | char *** |
| 1386 | nw_getenviron() |
| 1387 | { |
| 1388 | if (genviron) |
| 1389 | return (&genviron); // This might leak memory upto 11736 bytes on some versions of NetWare. |
| 1390 | // return genviron; // Abending on some versions of NetWare. |
| 1391 | else |
| 1392 | fnSetUpEnvBlock(&genviron); |
| 1393 | |
| 1394 | return (&genviron); |
| 1395 | } |
| 1396 | |
| 1397 | |
| 1398 | |
| 1399 | /*============================================================================================ |
| 1400 | |
| 1401 | Function : nw_freeenviron |
| 1402 | |
| 1403 | Description : Frees the environment information. |
| 1404 | |
| 1405 | Parameters : None. |
| 1406 | |
| 1407 | Returns : Nothing. |
| 1408 | |
| 1409 | ==============================================================================================*/ |
| 1410 | |
| 1411 | void |
| 1412 | nw_freeenviron() |
| 1413 | { |
| 1414 | if (genviron) |
| 1415 | { |
| 1416 | fnDestroyEnvBlock(genviron); |
| 1417 | genviron=NULL; |
| 1418 | } |
| 1419 | } |
| 1420 | |