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|
/*
+----------------------------------------------------------------------+
| PHP Version 4 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2002 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 2.02 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available at through the world-wide-web at |
| http://www.php.net/license/2_02.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> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#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 : Venkat (30/4/02) */
#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);
/*consoleprintf ("PHP | popen: file path = %s, mode = %s\n", filePath, type);*/
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);
/*consoleprintf ("PHP | popen: pipe_open() returned %d\n", pipe_handle);*/
if (pipe_handle == -1)
return NULL;
#elif defined(USE_MKFIFO)
pipe_handle = mkfifo(filePath, mode);
consoleprintf ("PHP | popen: mkfifo() returned %d\n", pipe_handle);
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);
/*consoleprintf ("PHP | popen: NXFifoOpen() returned %d\n", err);*/
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);
consoleprintf ("PHP | popen: NXCopyEnv() returned %d\n", err);
if (err)
{
NXMemFree (env);
return NULL;
}
/* Separate commandline string into words */
consoleprintf ("PHP | popen: commandline = %s\n", commandline);
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);
}
consoleprintf ("PHP | popen: commandline string parsed into tokens\n");
/* 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;
/*
envSpec.esStdin.ssHandle =
envSpec.esStdout.ssHandle =
envSpec.esStderr.ssHandle = -1;
*/
envSpec.esStdin.ssPathCtx =
envSpec.esStdout.ssPathCtx =
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; */ /* Not used */
nameSpec.ssPathCtx = NULL; /* Not used */
nameSpec.ssPath = argv[0];
consoleprintf ("PHP | popen: environment setup\n");
err = NXVmSpawn(&nameSpec, &envSpec, 0, &newVM);
consoleprintf ("PHP | popen: NXVmSpawn() returned %d\n", err);
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]);
}
consoleprintf ("PHP | popen: all clean-up done, returning...\n");
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
|
