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Diffstat (limited to 'ext/standard/exec.c')
-rw-r--r--ext/standard/exec.c94
1 files changed, 46 insertions, 48 deletions
diff --git a/ext/standard/exec.c b/ext/standard/exec.c
index 7b783ca60f..28f01b338f 100644
--- a/ext/standard/exec.c
+++ b/ext/standard/exec.c
@@ -1,8 +1,8 @@
/*
+----------------------------------------------------------------------+
- | PHP Version 5 |
+ | PHP Version 7 |
+----------------------------------------------------------------------+
- | Copyright (c) 1997-2013 The PHP Group |
+ | Copyright (c) 1997-2014 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 |
@@ -120,7 +120,7 @@ PHPAPI int php_exec(int type, char *cmd, zval *array, zval *return_value TSRMLS_
bufl = l + 1;
buf[bufl] = '\0';
}
- add_next_index_stringl(array, buf, bufl, 1);
+ add_next_index_stringl(array, buf, bufl);
}
b = buf;
}
@@ -134,12 +134,12 @@ PHPAPI int php_exec(int type, char *cmd, zval *array, zval *return_value TSRMLS_
buf[bufl] = '\0';
}
if (type == 2) {
- add_next_index_stringl(array, buf, bufl, 1);
+ add_next_index_stringl(array, buf, bufl);
}
}
/* Return last line from the shell command */
- RETVAL_STRINGL(buf, bufl, 1);
+ RETVAL_STRINGL(buf, bufl);
} else { /* should return NULL, but for BC we return "" */
RETVAL_EMPTY_STRING();
}
@@ -171,7 +171,7 @@ err:
static void php_exec_ex(INTERNAL_FUNCTION_PARAMETERS, int mode) /* {{{ */
{
char *cmd;
- int cmd_len;
+ size_t cmd_len;
zval *ret_code=NULL, *ret_array=NULL;
int ret;
@@ -238,16 +238,16 @@ PHP_FUNCTION(passthru)
*NOT* safe for binary strings
*/
-PHPAPI char *php_escape_shell_cmd(char *str)
+PHPAPI zend_string *php_escape_shell_cmd(char *str)
{
register int x, y, l = strlen(str);
- char *cmd;
char *p = NULL;
size_t estimate = (2 * l) + 1;
+ zend_string *cmd;
TSRMLS_FETCH();
- cmd = safe_emalloc(2, l, 1);
+ cmd = zend_string_alloc(2 * l, 0);
for (x = 0, y = 0; x < l; x++) {
int mb_len = php_mblen(str + x, (l - x));
@@ -256,7 +256,7 @@ PHPAPI char *php_escape_shell_cmd(char *str)
if (mb_len < 0) {
continue;
} else if (mb_len > 1) {
- memcpy(cmd + y, str + x, mb_len);
+ memcpy(cmd->val + y, str + x, mb_len);
y += mb_len;
x += mb_len - 1;
continue;
@@ -271,13 +271,13 @@ PHPAPI char *php_escape_shell_cmd(char *str)
} else if (p && *p == str[x]) {
p = NULL;
} else {
- cmd[y++] = '\\';
+ cmd->val[y++] = '\\';
}
- cmd[y++] = str[x];
+ cmd->val[y++] = str[x];
break;
#else
/* % is Windows specific for enviromental variables, ^%PATH% will
- output PATH whil ^%PATH^% not. escapeshellcmd will escape all %.
+ output PATH whil ^%PATH^% not. escapeshellcmd->val will escape all %.
*/
case '%':
case '"':
@@ -305,44 +305,46 @@ PHPAPI char *php_escape_shell_cmd(char *str)
case '\x0A': /* excluding these two */
case '\xFF':
#ifdef PHP_WIN32
- cmd[y++] = '^';
+ cmd->val[y++] = '^';
#else
- cmd[y++] = '\\';
+ cmd->val[y++] = '\\';
#endif
/* fall-through */
default:
- cmd[y++] = str[x];
+ cmd->val[y++] = str[x];
}
}
- cmd[y] = '\0';
+ cmd->val[y] = '\0';
if ((estimate - y) > 4096) {
/* realloc if the estimate was way overill
* Arbitrary cutoff point of 4096 */
- cmd = erealloc(cmd, y + 1);
+ cmd = zend_string_realloc(cmd, y, 0);
}
+ cmd->len = y;
+
return cmd;
}
/* }}} */
/* {{{ php_escape_shell_arg
*/
-PHPAPI char *php_escape_shell_arg(char *str)
+PHPAPI zend_string *php_escape_shell_arg(char *str)
{
int x, y = 0, l = strlen(str);
- char *cmd;
+ zend_string *cmd;
size_t estimate = (4 * l) + 3;
TSRMLS_FETCH();
- cmd = safe_emalloc(4, l, 3); /* worst case */
+ cmd = zend_string_alloc(4 * l + 2, 0); /* worst case */
#ifdef PHP_WIN32
- cmd[y++] = '"';
+ cmd->val[y++] = '"';
#else
- cmd[y++] = '\'';
+ cmd->val[y++] = '\'';
#endif
for (x = 0; x < l; x++) {
@@ -352,7 +354,7 @@ PHPAPI char *php_escape_shell_arg(char *str)
if (mb_len < 0) {
continue;
} else if (mb_len > 1) {
- memcpy(cmd + y, str + x, mb_len);
+ memcpy(cmd->val + y, str + x, mb_len);
y += mb_len;
x += mb_len - 1;
continue;
@@ -362,31 +364,32 @@ PHPAPI char *php_escape_shell_arg(char *str)
#ifdef PHP_WIN32
case '"':
case '%':
- cmd[y++] = ' ';
+ cmd->val[y++] = ' ';
break;
#else
case '\'':
- cmd[y++] = '\'';
- cmd[y++] = '\\';
- cmd[y++] = '\'';
+ cmd->val[y++] = '\'';
+ cmd->val[y++] = '\\';
+ cmd->val[y++] = '\'';
#endif
/* fall-through */
default:
- cmd[y++] = str[x];
+ cmd->val[y++] = str[x];
}
}
#ifdef PHP_WIN32
- cmd[y++] = '"';
+ cmd->val[y++] = '"';
#else
- cmd[y++] = '\'';
+ cmd->val[y++] = '\'';
#endif
- cmd[y] = '\0';
+ cmd->val[y] = '\0';
if ((estimate - y) > 4096) {
/* realloc if the estimate was way overill
* Arbitrary cutoff point of 4096 */
- cmd = erealloc(cmd, y + 1);
+ cmd = zend_string_realloc(cmd, y, 0);
}
+ cmd->len = y;
return cmd;
}
/* }}} */
@@ -396,16 +399,14 @@ PHPAPI char *php_escape_shell_arg(char *str)
PHP_FUNCTION(escapeshellcmd)
{
char *command;
- int command_len;
- char *cmd = NULL;
+ size_t command_len;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &command, &command_len) == FAILURE) {
return;
}
if (command_len) {
- cmd = php_escape_shell_cmd(command);
- RETVAL_STRING(cmd, 0);
+ RETVAL_STR(php_escape_shell_cmd(command));
} else {
RETVAL_EMPTY_STRING();
}
@@ -417,16 +418,14 @@ PHP_FUNCTION(escapeshellcmd)
PHP_FUNCTION(escapeshellarg)
{
char *argument;
- int argument_len;
- char *cmd = NULL;
+ size_t argument_len;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &argument, &argument_len) == FAILURE) {
return;
}
if (argument) {
- cmd = php_escape_shell_arg(argument);
- RETVAL_STRING(cmd, 0);
+ RETVAL_STR(php_escape_shell_arg(argument));
}
}
/* }}} */
@@ -436,10 +435,9 @@ PHP_FUNCTION(escapeshellarg)
PHP_FUNCTION(shell_exec)
{
FILE *in;
- size_t total_readbytes;
char *command;
- int command_len;
- char *ret;
+ size_t command_len;
+ zend_string *ret;
php_stream *stream;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &command, &command_len) == FAILURE) {
@@ -456,11 +454,11 @@ PHP_FUNCTION(shell_exec)
}
stream = php_stream_fopen_from_pipe(in, "rb");
- total_readbytes = php_stream_copy_to_mem(stream, &ret, PHP_STREAM_COPY_ALL, 0);
+ ret = php_stream_copy_to_mem(stream, PHP_STREAM_COPY_ALL, 0);
php_stream_close(stream);
- if (total_readbytes > 0) {
- RETVAL_STRINGL(ret, total_readbytes, 0);
+ if (ret && ret->len > 0) {
+ RETVAL_STR(ret);
}
}
/* }}} */
@@ -470,7 +468,7 @@ PHP_FUNCTION(shell_exec)
Change the priority of the current process */
PHP_FUNCTION(proc_nice)
{
- long pri;
+ zend_long pri;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &pri) == FAILURE) {
RETURN_FALSE;
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