app-layer-ssl: remove possibility to overflow HAS_SPACE macro

7 years ago · 21078521f8
parent 598ef96b7b
commit 21078521f8
1 changed files with 1 additions and 1 deletions
--- a/src/app-layer-ssl.c
+++ b/src/app-layer-ssl.c
@ -143,7 +143,7 @@ SslConfig ssl_config;

 #define SHA1_STRING_LENGTH             60

-#define HAS_SPACE(n) ((uint32_t)((input) + (n) - (initial_input)) > (uint32_t)(input_len)) ?  0 : 1
+#define HAS_SPACE(n) ((uint64_t)(input - initial_input) + (uint64_t)(n) > (uint64_t)(input_len)) ?  0 : 1

 static void SSLParserReset(SSLState *ssl_state)
 {