summaryrefslogtreecommitdiff
path: root/ext/standard/exec.c
diff options
context:
space:
mode:
Diffstat (limited to 'ext/standard/exec.c')
-rw-r--r--ext/standard/exec.c445
1 files changed, 0 insertions, 445 deletions
diff --git a/ext/standard/exec.c b/ext/standard/exec.c
deleted file mode 100644
index 7d17c8e00f..0000000000
--- a/ext/standard/exec.c
+++ /dev/null
@@ -1,445 +0,0 @@
-/*
- +----------------------------------------------------------------------+
- | PHP Version 4 |
- +----------------------------------------------------------------------+
- | Copyright (c) 1997-2003 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 <rasmus@php.net> |
- | Ilia Alshanetsky <iliaa@php.net> |
- +----------------------------------------------------------------------+
- */
-/* $Id$ */
-
-#include <stdio.h>
-#include "php.h"
-#include <ctype.h>
-#include "php_string.h"
-#include "safe_mode.h"
-#include "ext/standard/head.h"
-#include "ext/standard/file.h"
-#include "exec.h"
-#include "php_globals.h"
-#include "SAPI.h"
-
-#if HAVE_SYS_WAIT_H
-#include <sys/wait.h>
-#endif
-#if HAVE_SIGNAL_H
-#include <signal.h>
-#endif
-
-#if HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-#if HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-#if HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
-
-#if HAVE_NICE && HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-
-/* {{{ php_exec
- * 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)
- *
- */
-int php_exec(int type, char *cmd, pval *array, pval *return_value TSRMLS_DC)
-{
- FILE *fp;
- char *buf, *tmp=NULL;
- int buflen, l, pclose_return;
- char *cmd_p, *b, *c, *d=NULL;
- php_stream *stream;
- size_t bufl = 0;
-#if PHP_SIGCHILD
- void (*sig_handler)();
-#endif
-
- if (PG(safe_mode)) {
- if ((c = strchr(cmd, ' '))) {
- *c = '\0';
- c++;
- }
- if (strstr(cmd, "..")) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "No '..' components allowed in path");
- goto err;
- }
- b = strrchr(cmd, PHP_DIR_SEPARATOR);
- spprintf(&d, 0, "%s%s%s%s", PG(safe_mode_exec_dir), (b ? "" : "/"), (b ? b : cmd), (c ? " " : ""), (c ? c : ""));
- if (c) {
- *(c - 1) = ' ';
- }
- cmd_p = php_escape_shell_cmd(d);
- efree(d);
- d = cmd_p;
- } else {
- cmd_p = cmd;
- }
-
-#if PHP_SIGCHILD
- sig_handler = signal (SIGCHLD, SIG_DFL);
-#endif
-
-#ifdef PHP_WIN32
- fp = VCWD_POPEN(cmd_p, "rb");
-#else
- fp = VCWD_POPEN(cmd_p, "r");
-#endif
- if (!fp) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to fork [%s]", cmd);
- goto err;
- }
-
- stream = php_stream_fopen_from_pipe(fp, "rb");
-
- buf = (char *) emalloc(EXEC_INPUT_BUF);
- buflen = EXEC_INPUT_BUF;
-
- if (type != 3) {
- b = buf;
-
- while (php_stream_get_line(stream, b, EXEC_INPUT_BUF, &bufl)) {
- /* no new line found, let's read some more */
- if (b[bufl - 1] != '\n' && !php_stream_eof(stream)) {
- if (buflen < (bufl + EXEC_INPUT_BUF)) {
- bufl += b - buf;
- buflen = bufl + EXEC_INPUT_BUF;
- buf = erealloc(buf, buflen);
- b = buf + bufl;
- } else {
- b += bufl;
- }
- continue;
- } else if (b != buf) {
- bufl += buflen - EXEC_INPUT_BUF;
- }
-
- if (type == 1) {
- PHPWRITE(buf, bufl);
- sapi_flush(TSRMLS_C);
- } else if (type == 2) {
- /* strip trailing whitespaces */
- l = bufl;
- while (l-- && isspace(buf[l]));
- if (l != (bufl - 1)) {
- bufl = l + 1;
- buf[bufl] = '\0';
- }
- add_next_index_stringl(array, buf, bufl, 1);
- }
- b = buf;
- }
- if (bufl) {
- /* strip trailing whitespaces if we have not done so already */
- if (type != 2) {
- l = bufl;
- while (l-- && isspace(buf[l]));
- if (l != (bufl - 1)) {
- bufl = l + 1;
- buf[bufl] = '\0';
- }
- }
-
- /* Return last line from the shell command */
- if (PG(magic_quotes_runtime)) {
- int len;
-
- tmp = php_addslashes(buf, bufl, &len, 0 TSRMLS_CC);
- RETVAL_STRINGL(tmp, len, 0);
- } else {
- RETVAL_STRINGL(buf, bufl, 1);
- }
- } else { /* should return NULL, but for BC we return "" */
- RETVAL_EMPTY_STRING();
- }
- } else {
- while((bufl = php_stream_read(stream, buf, EXEC_INPUT_BUF)) > 0) {
- PHPWRITE(buf, bufl);
- }
- }
-
- pclose_return = php_stream_close(stream);
- efree(buf);
-
-done:
-#if PHP_SIGCHILD
- signal (SIGCHLD, sig_handler);
-#endif
- if (d) {
- efree(d);
- }
- return pclose_return;
-err:
- pclose_return = -1;
- goto done;
-}
-/* }}} */
-
-static void php_exec_ex(INTERNAL_FUNCTION_PARAMETERS, int mode)
-{
- char *cmd;
- int cmd_len;
- zval *ret_code=NULL, *ret_array=NULL;
- int ret;
-
- if (mode) {
- if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|z", &cmd, &cmd_len, &ret_code) == FAILURE) {
- RETURN_FALSE;
- }
- } else {
- if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|zz", &cmd, &cmd_len, &ret_array, &ret_code) == FAILURE) {
- RETURN_FALSE;
- }
- }
- if (!cmd_len) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot execute a blank command");
- RETURN_FALSE;
- }
-
- if (!ret_array) {
- ret = php_exec(mode, cmd, NULL, return_value TSRMLS_CC);
- } else {
- zval_dtor(ret_array);
- array_init(ret_array);
- ret = php_exec(2, cmd, ret_array, return_value TSRMLS_CC);
- }
- if (ret_code) {
- zval_dtor(ret_code);
- ZVAL_LONG(ret_code, ret);
- }
-}
-
-/* {{{ proto string exec(string command [, array &output [, int &return_value]])
- Execute an external program */
-PHP_FUNCTION(exec)
-{
- php_exec_ex(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
-}
-
-/* }}} */
-
-/* {{{ proto int system(string command [, int &return_value])
- Execute an external program and display output */
-PHP_FUNCTION(system)
-{
- php_exec_ex(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
-}
-/* }}} */
-
-/* {{{ proto void passthru(string command [, int &return_value])
- Execute an external program and display raw output */
-PHP_FUNCTION(passthru)
-{
- php_exec_ex(INTERNAL_FUNCTION_PARAM_PASSTHRU, 3);
-}
-/* }}} */
-
-/* {{{ php_escape_shell_cmd
- 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);
-
- for (x = 0, y = 0; x < l; x++) {
- switch (str[x]) {
- case '#': /* This is character-set independent */
- case '&':
- case ';':
- case '`':
- case '\'':
- case '"':
- case '|':
- case '*':
- case '?':
- case '~':
- case '<':
- case '>':
- case '^':
- case '(':
- case ')':
- case '[':
- case ']':
- case '{':
- case '}':
- case '$':
- case '\\':
- case '\x0A': /* excluding these two */
- case '\xFF':
- cmd[y++] = '\\';
- /* fall-through */
- default:
- cmd[y++] = str[x];
-
- }
- }
- cmd[y] = '\0';
- return cmd;
-}
-/* }}} */
-
-/* {{{ php_escape_shell_arg
- */
-char *php_escape_shell_arg(char *str) {
- int x, y, l;
- char *cmd;
-
- y = 0;
- l = strlen(str);
-
- cmd = emalloc(4 * l + 3); /* worst case */
-
- cmd[y++] = '\'';
-
- for (x = 0; x < l; x++) {
- switch (str[x]) {
- case '\'':
- cmd[y++] = '\'';
- cmd[y++] = '\\';
- cmd[y++] = '\'';
- /* fall-through */
- default:
- cmd[y++] = str[x];
- }
- }
- cmd[y++] = '\'';
- cmd[y] = '\0';
- 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 (Z_STRLEN_PP(arg1)) {
- cmd = php_escape_shell_cmd(Z_STRVAL_PP(arg1));
- RETVAL_STRING(cmd, 1);
- efree(cmd);
- }
-}
-/* }}} */
-
-/* {{{ proto string escapeshellarg(string arg)
- Quote and escape an argument for use in a shell command */
-PHP_FUNCTION(escapeshellarg)
-{
- pval **arg1;
- char *cmd = NULL;
-
- if (zend_get_parameters_ex(1, &arg1) == FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- convert_to_string_ex(arg1);
- if (Z_STRLEN_PP(arg1)) {
- cmd = php_escape_shell_arg(Z_STRVAL_PP(arg1));
- RETVAL_STRING(cmd, 1);
- efree(cmd);
- }
-}
-/* }}} */
-
-/* {{{ proto string shell_exec(string cmd)
- Use pclose() for FILE* that has been opened via popen() */
-PHP_FUNCTION(shell_exec)
-{
- FILE *in;
- size_t total_readbytes;
- pval **cmd;
- char *ret;
- php_stream *stream;
-
- if (ZEND_NUM_ARGS()!=1 || zend_get_parameters_ex(1, &cmd)==FAILURE) {
- WRONG_PARAM_COUNT;
- }
-
- if (PG(safe_mode)) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Cannot execute using backquotes in Safe Mode");
- RETURN_FALSE;
- }
-
- convert_to_string_ex(cmd);
-#ifdef PHP_WIN32
- if ((in=VCWD_POPEN(Z_STRVAL_PP(cmd), "rt"))==NULL) {
-#else
- if ((in=VCWD_POPEN(Z_STRVAL_PP(cmd), "r"))==NULL) {
-#endif
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to execute '%s'", Z_STRVAL_PP(cmd));
- RETURN_FALSE;
- }
-
- stream = php_stream_fopen_from_pipe(in, "rb");
- total_readbytes = php_stream_copy_to_mem(stream, &ret, PHP_STREAM_COPY_ALL, 0);
- php_stream_close(stream);
-
- if (total_readbytes > 0) {
- RETURN_STRINGL(ret, total_readbytes, 0);
- } else {
- RETURN_NULL();
- }
-}
-/* }}} */
-
-#ifdef HAVE_NICE
-/* {{{ proto bool proc_nice(int priority)
- Change the priority of the current process */
-PHP_FUNCTION(proc_nice)
-{
- long pri;
-
- if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &pri) == FAILURE) {
- RETURN_FALSE;
- }
-
- errno = 0;
- nice(pri);
- if (errno) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Only a super user may attempt to increase the priority of a process.");
- RETURN_FALSE;
- }
-
- RETURN_TRUE;
-}
-/* }}} */
-#endif
-
-/*
- * Local variables:
- * tab-width: 4
- * c-basic-offset: 4
- * End:
- * vim600: sw=4 ts=4 fdm=marker
- * vim<600: sw=4 ts=4
- */
View Lorry Controller Status