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usr/local/src/php-5.5.38/TSRM/_[ Not.Writable ]

File://usr/local/src/php-5.5.38/TSRM/tsrm_nw.c

/*
   +----------------------------------------------------------------------+
   | PHP Version 5                                                        |
   +----------------------------------------------------------------------+
   | Copyright (c) 1997-2015 The PHP Group                                |
   +----------------------------------------------------------------------+
   | This source file is subject to version 3.01 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | http://www.php.net/license/3_01.txt                                  |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
   | Authors: Venkat Raghavan S <rvenkat@novell.com>                      |
   |          Anantha Kesari H Y <hyanantha@novell.com>                   |
   +----------------------------------------------------------------------+
*/

/* $Id$ */

#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>

#include "TSRM.h"

#ifdef NETWARE

#ifdef USE_MKFIFO
#include <sys/stat.h>
#elif !defined(USE_PIPE_OPEN)   /* NXFifoOpen */
#include <nks/fsio.h>
#endif

#include <nks/vm.h>
#include <nks/memory.h>

#include <string.h>

#include "mktemp.h"

/* strtok() call in LibC is abending when used in a different address space
 * -- hence using PHP's version itself for now
 */
#include "tsrm_strtok_r.h"
#define tsrm_strtok_r(a,b,c) strtok((a),(b))

#define WHITESPACE  " \t"
#define MAX_ARGS    10


TSRM_API FILE* popen(const char *commandline, const char *type)
{
	char *command = NULL, *argv[MAX_ARGS] = {'\0'}, **env = NULL;
	char *tempName = "sys:/php/temp/phpXXXXXX.tmp";
	char *filePath = NULL;
	char *ptr = NULL;
	int ptrLen = 0, argc = 0, i = 0, envCount = 0, err = 0;
	FILE *stream = NULL;
#if defined(USE_PIPE_OPEN) || defined(USE_MKFIFO)
	int pipe_handle;
	int mode = O_RDONLY;
#else
	NXHandle_t pipe_handle;
	NXMode_t mode = NX_O_RDONLY;
#endif
	NXExecEnvSpec_t envSpec;
	NXNameSpec_t nameSpec;
	NXVmId_t newVM = 0;

	/* Check for validity of input parameters */
	if (!commandline || !type)
		return NULL;

	/* Get temporary file name */
	filePath = mktemp(tempName);
	if (!filePath)
		return NULL;

	/* Set pipe mode according to type -- for now allow only "r" or "w" */
	if (strcmp(type, "r") == 0)
#if defined(USE_PIPE_OPEN) || defined(USE_MKFIFO)
		mode = O_RDONLY;
#else
		mode = NX_O_RDONLY;
#endif
	else if (strcmp(type, "w") == 0)
#if defined(USE_PIPE_OPEN) || defined(USE_MKFIFO)
		mode = O_WRONLY;
#else
		mode = NX_O_WRONLY;
#endif
	else
		return NULL;

#ifdef USE_PIPE_OPEN
	pipe_handle = pipe_open(filePath, mode);
	if (pipe_handle == -1)
		return NULL;
#elif defined(USE_MKFIFO)
	pipe_handle = mkfifo(filePath, mode);
	if (pipe_handle == -1)
		return NULL;
#else
	/* - NetWare doesn't require first parameter
	 * - Allowing LibC to choose the buffer size for now
	 */
	err = NXFifoOpen(0, filePath, mode, 0, &pipe_handle);
	if (err)
		return NULL;
#endif

	/* Copy the environment variables in preparation for the spawn call */
	envCount = NXGetEnvCount() + 1;  /* add one for NULL */
	env = (char **) NXMemAlloc(sizeof(char *) * envCount, 0);
	if (!env)
		return NULL;

	err = NXCopyEnv(env, envCount);
	if (err) {
		NXMemFree (env);
		return NULL;
	}

	/* Separate commandline string into words */
	ptr = tsrm_strtok_r((char*)commandline, WHITESPACE, NULL);
	ptrLen = strlen(ptr);

	command = (char*)malloc(ptrLen + 1);
	if (!command) {
		NXMemFree (env);
		return NULL;
	}

	strcpy (command, ptr);

	ptr = tsrm_strtok_r(NULL, WHITESPACE, NULL);
	while (ptr && (argc < MAX_ARGS)) {
		ptrLen = strlen(ptr);

		argv[argc] = (char*)malloc(ptrLen + 1);
		if (!argv[argc]) {
			NXMemFree (env);
			if (command)
				free (command);

			for (i = 0; i < argc; i++) {
				if (argv[i])
					free (argv[i]);
			}

			return NULL;
		}

		strcpy (argv[argc], ptr);
		argc++;
		ptr = tsrm_strtok_r(NULL, WHITESPACE, NULL);
	}

	/* Setup the execution environment and spawn new process */
	envSpec.esFlags = 0;    /* Not used */
	envSpec.esArgc = argc;
	envSpec.esArgv = (void **) argv;
	envSpec.esEnv = (void **) env;

/*	envSpec.esStdin.ssType = */
	envSpec.esStdout.ssType = NX_OBJ_FIFO;
	envSpec.esStderr.ssType = NX_OBJ_FILE;

	/* 'ssHandle' is not a struct/union/class member */
/*
	envSpec.esStdin.ssHandle =
	envSpec.esStdout.ssHandle =
	envSpec.esStderr.ssHandle = -1;
*/
	envSpec.esStdin.ssPathCtx = NULL;
	envSpec.esStdout.ssPathCtx = NULL;
	envSpec.esStderr.ssPathCtx = NULL;

#if defined(USE_PIPE_OPEN) || defined(USE_MKFIFO)
	if (mode == O_RDONLY) {
#else
	if (mode == NX_O_RDONLY) {
#endif
		envSpec.esStdin.ssPath = filePath;
		envSpec.esStdout.ssPath = stdout;
	} else { /* Write Only */
		envSpec.esStdin.ssPath = stdin;
		envSpec.esStdout.ssPath = filePath;
	}

	envSpec.esStderr.ssPath = stdout;

	nameSpec.ssType = NX_OBJ_FIFO;
/*	nameSpec.ssHandle = 0; */	/* 'ssHandle' is not a struct/union/class member */
	nameSpec.ssPathCtx = NULL;  /* Not used */
	nameSpec.ssPath = argv[0];
	err = NXVmSpawn(&nameSpec, &envSpec, 0, &newVM);
	if (!err)
		/* Get file pointer corresponding to the pipe (file) opened */
		stream = fdopen(pipe_handle, type);

	/* Clean-up */
	if (env)
		NXMemFree (env);

	if (pipe_handle)
#if defined(USE_PIPE_OPEN) || defined(USE_MKFIFO)
		close(pipe_handle);
#else
		NXClose(pipe_handle);
#endif

	if (command)
		free (command);

	for (i = 0; i < argc; i++) {
		if (argv[i])
			free (argv[i]);
	}

	return stream;
}

TSRM_API int pclose(FILE* stream)
{
	int err = 0;
	NXHandle_t fd = 0;

	/* Get the process associated with this pipe (file) handle and terminate it */
	fd = fileno(stream);
	NXClose (fd);

	err = fclose(stream);

	return err;
}

#endif	/* NETWARE */

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