Annotation of embedaddon/php/TSRM/tsrm_nw.c, revision 1.1
1.1 ! misho 1: /*
! 2: +----------------------------------------------------------------------+
! 3: | PHP Version 5 |
! 4: +----------------------------------------------------------------------+
! 5: | Copyright (c) 1997-2012 The PHP Group |
! 6: +----------------------------------------------------------------------+
! 7: | This source file is subject to version 3.01 of the PHP license, |
! 8: | that is bundled with this package in the file LICENSE, and is |
! 9: | available through the world-wide-web at the following url: |
! 10: | http://www.php.net/license/3_01.txt |
! 11: | If you did not receive a copy of the PHP license and are unable to |
! 12: | obtain it through the world-wide-web, please send a note to |
! 13: | license@php.net so we can mail you a copy immediately. |
! 14: +----------------------------------------------------------------------+
! 15: | Authors: Venkat Raghavan S <rvenkat@novell.com> |
! 16: | Anantha Kesari H Y <hyanantha@novell.com> |
! 17: +----------------------------------------------------------------------+
! 18: */
! 19:
! 20: /* $Id: tsrm_nw.c 321634 2012-01-01 13:15:04Z felipe $ */
! 21:
! 22: #include <stdlib.h>
! 23: #include <stdio.h>
! 24: #include <fcntl.h>
! 25:
! 26: #include "TSRM.h"
! 27:
! 28: #ifdef NETWARE
! 29:
! 30: #ifdef USE_MKFIFO
! 31: #include <sys/stat.h>
! 32: #elif !defined(USE_PIPE_OPEN) /* NXFifoOpen */
! 33: #include <nks/fsio.h>
! 34: #endif
! 35:
! 36: #include <nks/vm.h>
! 37: #include <nks/memory.h>
! 38:
! 39: #include <string.h>
! 40:
! 41: #include "mktemp.h"
! 42:
! 43: /* strtok() call in LibC is abending when used in a different address space
! 44: * -- hence using PHP's version itself for now
! 45: */
! 46: #include "tsrm_strtok_r.h"
! 47: #define tsrm_strtok_r(a,b,c) strtok((a),(b))
! 48:
! 49: #define WHITESPACE " \t"
! 50: #define MAX_ARGS 10
! 51:
! 52:
! 53: TSRM_API FILE* popen(const char *commandline, const char *type)
! 54: {
! 55: char *command = NULL, *argv[MAX_ARGS] = {'\0'}, **env = NULL;
! 56: char *tempName = "sys:/php/temp/phpXXXXXX.tmp";
! 57: char *filePath = NULL;
! 58: char *ptr = NULL;
! 59: int ptrLen = 0, argc = 0, i = 0, envCount = 0, err = 0;
! 60: FILE *stream = NULL;
! 61: #if defined(USE_PIPE_OPEN) || defined(USE_MKFIFO)
! 62: int pipe_handle;
! 63: int mode = O_RDONLY;
! 64: #else
! 65: NXHandle_t pipe_handle;
! 66: NXMode_t mode = NX_O_RDONLY;
! 67: #endif
! 68: NXExecEnvSpec_t envSpec;
! 69: NXNameSpec_t nameSpec;
! 70: NXVmId_t newVM = 0;
! 71:
! 72: /* Check for validity of input parameters */
! 73: if (!commandline || !type)
! 74: return NULL;
! 75:
! 76: /* Get temporary file name */
! 77: filePath = mktemp(tempName);
! 78: if (!filePath)
! 79: return NULL;
! 80:
! 81: /* Set pipe mode according to type -- for now allow only "r" or "w" */
! 82: if (strcmp(type, "r") == 0)
! 83: #if defined(USE_PIPE_OPEN) || defined(USE_MKFIFO)
! 84: mode = O_RDONLY;
! 85: #else
! 86: mode = NX_O_RDONLY;
! 87: #endif
! 88: else if (strcmp(type, "w") == 0)
! 89: #if defined(USE_PIPE_OPEN) || defined(USE_MKFIFO)
! 90: mode = O_WRONLY;
! 91: #else
! 92: mode = NX_O_WRONLY;
! 93: #endif
! 94: else
! 95: return NULL;
! 96:
! 97: #ifdef USE_PIPE_OPEN
! 98: pipe_handle = pipe_open(filePath, mode);
! 99: if (pipe_handle == -1)
! 100: return NULL;
! 101: #elif defined(USE_MKFIFO)
! 102: pipe_handle = mkfifo(filePath, mode);
! 103: if (pipe_handle == -1)
! 104: return NULL;
! 105: #else
! 106: /* - NetWare doesn't require first parameter
! 107: * - Allowing LibC to choose the buffer size for now
! 108: */
! 109: err = NXFifoOpen(0, filePath, mode, 0, &pipe_handle);
! 110: if (err)
! 111: return NULL;
! 112: #endif
! 113:
! 114: /* Copy the environment variables in preparation for the spawn call */
! 115: envCount = NXGetEnvCount() + 1; /* add one for NULL */
! 116: env = (char **) NXMemAlloc(sizeof(char *) * envCount, 0);
! 117: if (!env)
! 118: return NULL;
! 119:
! 120: err = NXCopyEnv(env, envCount);
! 121: if (err) {
! 122: NXMemFree (env);
! 123: return NULL;
! 124: }
! 125:
! 126: /* Separate commandline string into words */
! 127: ptr = tsrm_strtok_r((char*)commandline, WHITESPACE, NULL);
! 128: ptrLen = strlen(ptr);
! 129:
! 130: command = (char*)malloc(ptrLen + 1);
! 131: if (!command) {
! 132: NXMemFree (env);
! 133: return NULL;
! 134: }
! 135:
! 136: strcpy (command, ptr);
! 137:
! 138: ptr = tsrm_strtok_r(NULL, WHITESPACE, NULL);
! 139: while (ptr && (argc < MAX_ARGS)) {
! 140: ptrLen = strlen(ptr);
! 141:
! 142: argv[argc] = (char*)malloc(ptrLen + 1);
! 143: if (!argv[argc]) {
! 144: NXMemFree (env);
! 145: if (command)
! 146: free (command);
! 147:
! 148: for (i = 0; i < argc; i++) {
! 149: if (argv[i])
! 150: free (argv[i]);
! 151: }
! 152:
! 153: return NULL;
! 154: }
! 155:
! 156: strcpy (argv[argc], ptr);
! 157: argc++;
! 158: ptr = tsrm_strtok_r(NULL, WHITESPACE, NULL);
! 159: }
! 160:
! 161: /* Setup the execution environment and spawn new process */
! 162: envSpec.esFlags = 0; /* Not used */
! 163: envSpec.esArgc = argc;
! 164: envSpec.esArgv = (void **) argv;
! 165: envSpec.esEnv = (void **) env;
! 166:
! 167: /* envSpec.esStdin.ssType = */
! 168: envSpec.esStdout.ssType = NX_OBJ_FIFO;
! 169: envSpec.esStderr.ssType = NX_OBJ_FILE;
! 170:
! 171: /* 'ssHandle' is not a struct/union/class member */
! 172: /*
! 173: envSpec.esStdin.ssHandle =
! 174: envSpec.esStdout.ssHandle =
! 175: envSpec.esStderr.ssHandle = -1;
! 176: */
! 177: envSpec.esStdin.ssPathCtx = NULL;
! 178: envSpec.esStdout.ssPathCtx = NULL;
! 179: envSpec.esStderr.ssPathCtx = NULL;
! 180:
! 181: #if defined(USE_PIPE_OPEN) || defined(USE_MKFIFO)
! 182: if (mode == O_RDONLY) {
! 183: #else
! 184: if (mode == NX_O_RDONLY) {
! 185: #endif
! 186: envSpec.esStdin.ssPath = filePath;
! 187: envSpec.esStdout.ssPath = stdout;
! 188: } else { /* Write Only */
! 189: envSpec.esStdin.ssPath = stdin;
! 190: envSpec.esStdout.ssPath = filePath;
! 191: }
! 192:
! 193: envSpec.esStderr.ssPath = stdout;
! 194:
! 195: nameSpec.ssType = NX_OBJ_FIFO;
! 196: /* nameSpec.ssHandle = 0; */ /* 'ssHandle' is not a struct/union/class member */
! 197: nameSpec.ssPathCtx = NULL; /* Not used */
! 198: nameSpec.ssPath = argv[0];
! 199: err = NXVmSpawn(&nameSpec, &envSpec, 0, &newVM);
! 200: if (!err)
! 201: /* Get file pointer corresponding to the pipe (file) opened */
! 202: stream = fdopen(pipe_handle, type);
! 203:
! 204: /* Clean-up */
! 205: if (env)
! 206: NXMemFree (env);
! 207:
! 208: if (pipe_handle)
! 209: #if defined(USE_PIPE_OPEN) || defined(USE_MKFIFO)
! 210: close(pipe_handle);
! 211: #else
! 212: NXClose(pipe_handle);
! 213: #endif
! 214:
! 215: if (command)
! 216: free (command);
! 217:
! 218: for (i = 0; i < argc; i++) {
! 219: if (argv[i])
! 220: free (argv[i]);
! 221: }
! 222:
! 223: return stream;
! 224: }
! 225:
! 226: TSRM_API int pclose(FILE* stream)
! 227: {
! 228: int err = 0;
! 229: NXHandle_t fd = 0;
! 230:
! 231: /* Get the process associated with this pipe (file) handle and terminate it */
! 232: fd = fileno(stream);
! 233: NXClose (fd);
! 234:
! 235: err = fclose(stream);
! 236:
! 237: return err;
! 238: }
! 239:
! 240: #endif /* NETWARE */
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