Patch bug69464_php7.patch for Program Execution Bug #69646

Patch version 2015-05-18 14:49 UTC

• 2015-05-18 14:49 UTC [diff to current]

Developer: ab@php.net

diff --git a/ext/standard/exec.c b/ext/standard/exec.c
index 71dfc7c..60fd7ba 100644
--- a/ext/standard/exec.c
+++ b/ext/standard/exec.c
@@ -383,6 +383,14 @@ PHPAPI zend_string *php_escape_shell_arg(char *str)
 		}
 	}
 #ifdef PHP_WIN32
+	if (y > 0 && '\\' == cmd->val[y - 1]) {
+		int k = 0, n = y - 1;
+		for (; n >= 0 && '\\' == cmd->val[n]; n--, k++);
+		if (k % 2) {
+			cmd->val[y++] = '\\';
+		}
+	}
+
 	cmd->val[y++] = '"';
 #else
 	cmd->val[y++] = '\'';