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-rw-r--r--ext/standard/exec.c398
1 files changed, 0 insertions, 398 deletions
diff --git a/ext/standard/exec.c b/ext/standard/exec.c
deleted file mode 100644
index ad57cfd266..0000000000
--- a/ext/standard/exec.c
+++ /dev/null
@@ -1,398 +0,0 @@
-/*
- +----------------------------------------------------------------------+
- | PHP version 4.0 |
- +----------------------------------------------------------------------+
- | Copyright (c) 1997, 1998, 1999, 2000 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. |
- +----------------------------------------------------------------------+
- | Author: Rasmus Lerdorf |
- +----------------------------------------------------------------------+
- */
-/* $Id$ */
-
-#include <stdio.h>
-#include "php.h"
-#include <ctype.h>
-#include "php_string.h"
-#include "safe_mode.h"
-#include "ext/standard/head.h"
-#include "exec.h"
-#include "php_globals.h"
-#include "SAPI.h"
-
-#if HAVE_SYS_WAIT_H
-#include <sys/wait.h>
-#endif
-
-/*
- * If type==0, only last line of output is returned (exec)
- * If type==1, all lines will be printed and last lined returned (system)
- * If type==2, all lines will be saved to given array (exec with &$array)
- * If type==3, output will be printed binary, no lines will be saved or returned (passthru)
- *
- */
-static int _Exec(int type, char *cmd, pval *array, pval *return_value)
-{
- FILE *fp;
- char *buf, *tmp=NULL;
- int buflen = 0;
- int t, l, ret, output=1;
- int overflow_limit, lcmd, ldir;
- char *b, *c, *d=NULL;
- PLS_FETCH();
-
- buf = (char*) emalloc(EXEC_INPUT_BUF);
- if (!buf) {
- php_error(E_WARNING, "Unable to emalloc %d bytes for exec buffer", EXEC_INPUT_BUF);
- return -1;
- }
- buflen = EXEC_INPUT_BUF;
-
- if (PG(safe_mode)) {
- lcmd = strlen(cmd);
- ldir = strlen(PG(safe_mode_exec_dir));
- l = lcmd + ldir + 2;
- overflow_limit = l;
- c = strchr(cmd, ' ');
- if (c) *c = '\0';
- if (strstr(cmd, "..")) {
- php_error(E_WARNING, "No '..' components allowed in path");
- efree(buf);
- return -1;
- }
- d = emalloc(l);
- strcpy(d, PG(safe_mode_exec_dir));
- overflow_limit -= ldir;
- b = strrchr(cmd, '/');
- if (b) {
- strcat(d, b);
- overflow_limit -= strlen(b);
- } else {
- strcat(d, "/");
- strcat(d, cmd);
- overflow_limit-=(strlen(cmd)+1);
- }
- if (c) {
- *c = ' ';
- strncat(d, c, overflow_limit);
- }
- tmp = php_escape_shell_cmd(d);
- efree(d);
- d = tmp;
-#ifdef PHP_WIN32
- fp = popen(d, "rb");
-#else
- fp = popen(d, "r");
-#endif
- if (!fp) {
- php_error(E_WARNING, "Unable to fork [%s]", d);
- efree(d);
- efree(buf);
- return -1;
- }
- } else { /* not safe_mode */
-#ifdef PHP_WIN32
- fp = popen(cmd, "rb");
-#else
- fp = popen(cmd, "r");
-#endif
- if (!fp) {
- php_error(E_WARNING, "Unable to fork [%s]", cmd);
- efree(buf);
- return -1;
- }
- }
- buf[0] = '\0';
- if (type==2) {
- if (array->type != IS_ARRAY) {
- pval_destructor(array);
- array_init(array);
- }
- }
- if (type != 3) {
- l=0;
- while ( !feof(fp) || l != 0 ) {
- l = 0;
- /* Read a line or fill the buffer, whichever comes first */
- do {
- if ( buflen <= (l+1) ) {
- buf = erealloc(buf, buflen + EXEC_INPUT_BUF);
- if ( buf == NULL ) {
- php_error(E_WARNING, "Unable to erealloc %d bytes for exec buffer",
- buflen + EXEC_INPUT_BUF);
- return -1;
- }
- buflen += EXEC_INPUT_BUF;
- }
-
- if ( fgets(&(buf[l]), buflen - l, fp) == NULL ) {
- /* eof */
- break;
- }
- l += strlen(&(buf[l]));
- } while ( (l > 0) && (buf[l-1] != '\n') );
-
- if ( feof(fp) && (l == 0) ) {
- break;
- }
-
-
- if (type == 1) {
- if (output) PUTS(buf);
- sapi_flush();
- }
- else if (type == 2) {
- /* strip trailing whitespaces */
- l = strlen(buf);
- t = l;
- while (l-- && isspace((int)buf[l]));
- if (l < t) {
- buf[l + 1] = '\0';
- }
- add_next_index_string(array, buf, 1);
- }
- }
-
- /* strip trailing spaces */
- l = strlen(buf);
- t = l;
- while (l && isspace((int)buf[--l]));
- if (l < t) buf[l + 1] = '\0';
-
- /* Return last line from the shell command */
- if (PG(magic_quotes_runtime)) {
- int len;
-
- tmp = php_addslashes(buf, 0, &len, 0);
- RETVAL_STRINGL(tmp,len,0);
- } else
- RETVAL_STRINGL(buf,l+1,1);
- } else {
- int b, i;
-
- while ((b = fread(buf, 1, buflen, fp)) > 0) {
- for (i = 0; i < b; i++)
- if (output) (void)PUTC(buf[i]);
- }
- }
-
- ret = pclose(fp);
-#if HAVE_SYS_WAIT_H
- if (WIFEXITED(ret)) {
- ret = WEXITSTATUS(ret);
- }
-#endif
-
- if (d) efree(d);
- efree(buf);
- return ret;
-}
-
-/* {{{ proto int exec(string command [, array output [, int return_value]])
- Execute an external program */
-PHP_FUNCTION(exec)
-{
- pval **arg1, **arg2, **arg3;
- int arg_count = ZEND_NUM_ARGS();
- int ret;
-
- if (arg_count > 3 || zend_get_parameters_ex(arg_count, &arg1,&arg2, &arg3) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
- switch (arg_count) {
- case 1:
- ret = _Exec(0, (*arg1)->value.str.val, NULL,return_value);
- break;
- case 2:
- if (!ParameterPassedByReference(ht,2)) {
- php_error(E_WARNING,"Array argument to exec() not passed by reference");
- }
- ret = _Exec(2, (*arg1)->value.str.val,*arg2,return_value);
- break;
- case 3:
- if (!ParameterPassedByReference(ht,2)) {
- php_error(E_WARNING,"Array argument to exec() not passed by reference");
- }
- if (!ParameterPassedByReference(ht,3)) {
- php_error(E_WARNING,"return_status argument to exec() not passed by reference");
- }
- ret = _Exec(2,(*arg1)->value.str.val,*arg2,return_value);
- (*arg3)->type = IS_LONG;
- (*arg3)->value.lval=ret;
- break;
- }
-}
-
-/* }}} */
-
-/* {{{ proto int system(string command [, int return_value])
- Execute an external program and display output */
-PHP_FUNCTION(system)
-{
- pval **arg1, **arg2;
- int arg_count = ZEND_NUM_ARGS();
- int ret;
-
- if (arg_count > 2 || zend_get_parameters_ex(arg_count, &arg1,&arg2) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
- switch (arg_count) {
- case 1:
- ret = _Exec(1, (*arg1)->value.str.val, NULL,return_value);
- break;
- case 2:
- if (!ParameterPassedByReference(ht,2)) {
- php_error(E_WARNING,"return_status argument to system() not passed by reference");
- }
- ret = _Exec(1, (*arg1)->value.str.val, NULL,return_value);
- (*arg2)->type = IS_LONG;
- (*arg2)->value.lval=ret;
- break;
- }
-}
-/* }}} */
-
-/* {{{ proto void passthru(string command [, int return_value])
- Execute an external program and display raw output */
-PHP_FUNCTION(passthru)
-{
- pval **arg1, **arg2;
- int arg_count = ZEND_NUM_ARGS();
- int ret;
-
- if (arg_count > 2 || zend_get_parameters_ex(arg_count, &arg1,&arg2) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
- switch (arg_count) {
- case 1:
- ret = _Exec(3, (*arg1)->value.str.val, NULL,return_value);
- break;
- case 2:
- if (!ParameterPassedByReference(ht,2)) {
- php_error(E_WARNING,"return_status argument to system() not passed by reference");
- }
- ret = _Exec(3, (*arg1)->value.str.val, NULL,return_value);
- (*arg2)->type = IS_LONG;
- (*arg2)->value.lval=ret;
- break;
- }
-}
-/* }}} */
-
-static int php_get_index(char *s, char c)
-{
- register int x;
-
- for (x = 0; s[x]; x++)
- if (s[x] == c)
- return x;
-
- return -1;
-}
-
-/* Escape all chars that could possibly be used to
- break out of a shell command
-
- This function emalloc's a string and returns the pointer.
- Remember to efree it when done with it.
-
- *NOT* safe for binary strings
-*/
-char * php_escape_shell_cmd(char *str) {
- register int x, y, l;
- char *cmd;
-
- l = strlen(str);
- cmd = emalloc(2 * l + 1);
- strcpy(cmd, str);
- for (x = 0; cmd[x]; x++) {
- if (php_get_index("&;`'\"|*?~<>^()[]{}$\\\x0A\xFF", cmd[x]) != -1) {
- for (y = l + 1; y > x; y--)
- cmd[y] = cmd[y - 1];
- l++; /* length has been increased */
- cmd[x] = '\\';
- x++; /* skip the character */
- }
- }
- return cmd;
-}
-
-/* {{{ proto string escapeshellcmd(string command)
- Escape shell metacharacters */
-PHP_FUNCTION(escapeshellcmd)
-{
- pval **arg1;
- char *cmd = NULL;
-
- if (zend_get_parameters_ex(1, &arg1) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- convert_to_string_ex(arg1);
- if ((*arg1)->value.str.len) {
- cmd = php_escape_shell_cmd((*arg1)->value.str.val);
- RETVAL_STRING(cmd, 1);
- efree(cmd);
- }
-}
-/* }}} */
-
-/* {{{ proto string shell_exec(strng cmd)
- What excatly is this variant for ??? */
-PHP_FUNCTION(shell_exec)
-{
- FILE *in;
- int readbytes,total_readbytes=0,allocated_space;
- pval **cmd;
- PLS_FETCH();
-
- if (ZEND_NUM_ARGS()!=1 || zend_get_parameters_ex(1,&cmd)==FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- if (PG(safe_mode)) {
- php_error(E_WARNING,"Cannot execute using backquotes in safe mode");
- RETURN_FALSE;
- }
-
- convert_to_string_ex(cmd);
-#ifdef PHP_WIN32
- if ((in=popen((*cmd)->value.str.val,"rt"))==NULL) {
-#else
- if ((in=popen((*cmd)->value.str.val,"r"))==NULL) {
-#endif
- php_error(E_WARNING,"Unable to execute '%s'",(*cmd)->value.str.val);
- }
- allocated_space = EXEC_INPUT_BUF;
- return_value->value.str.val = (char *) emalloc(allocated_space);
- while (1) {
- readbytes = fread(return_value->value.str.val+total_readbytes,1,EXEC_INPUT_BUF,in);
- if (readbytes<=0) {
- break;
- }
- total_readbytes += readbytes;
- allocated_space = total_readbytes+EXEC_INPUT_BUF;
- return_value->value.str.val = (char *) erealloc(return_value->value.str.val,allocated_space);
- }
- pclose(in);
-
- return_value->value.str.val = erealloc(return_value->value.str.val,total_readbytes+1);
- return_value->value.str.val[total_readbytes]=0;
- return_value->value.str.len = total_readbytes;
- return_value->type = IS_STRING;
-}
-/* }}} */
-
-/*
- * Local variables:
- * tab-width: 4
- * c-basic-offset: 4
- * End:
- */
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