diff options
| -rw-r--r-- | ext/standard/basic_functions.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/ext/standard/basic_functions.c b/ext/standard/basic_functions.c index d06c0c676a..3f30aef521 100644 --- a/ext/standard/basic_functions.c +++ b/ext/standard/basic_functions.c @@ -3989,7 +3989,13 @@ PHP_FUNCTION(getenv) ptr = emalloc(size); size = GetEnvironmentVariableA(str, ptr, size); - RETURN_STRING(ptr, 0); + if (size == 0) { + /* has been removed between the two calls */ + efree(ptr); + RETURN_EMPTY_STRING(); + } else { + RETURN_STRING(ptr, 0); + } } #else /* system method returns a const */ @@ -5930,7 +5936,7 @@ PHP_FUNCTION(parse_ini_file) PHP_FUNCTION(parse_ini_string) { char *string = NULL, *str = NULL; - size_t str_len = 0; + int str_len = 0; zend_bool process_sections = 0; long scanner_mode = ZEND_INI_SCANNER_NORMAL; zend_ini_parser_cb_t ini_parser_cb; @@ -5939,6 +5945,10 @@ PHP_FUNCTION(parse_ini_string) RETURN_FALSE; } + if (INT_MAX - str_len < ZEND_MMAP_AHEAD) { + RETVAL_FALSE; + } + /* Set callback function */ if (process_sections) { BG(active_ini_file_section) = NULL; |