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Add static assert

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This commit is contained in:
Max Lv
2016-12-30 15:40:58 +08:00
parent 6ecbf8e6b9
commit 79c722cded
2 changed files with 16 additions and 0 deletions
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src/obfs_tls.h
+14
View File
@@ -46,6 +46,8 @@ struct tls_client_hello {
short ext_len;
} __attribute__((packed, aligned(1)));
STATIC_ASSERT(sizeof(struct tls_client_hello) == 138, tls_client_hello);
struct tls_ext_server_name {
short ext_type;
short ext_len;
@@ -55,12 +57,16 @@ struct tls_ext_server_name {
// char server_name[server_name_len];
} __attribute__((packed, aligned(1)));
STATIC_ASSERT(sizeof(struct tls_ext_server_name) == 9, tls_ext_server_name);
struct tls_ext_session_ticket {
short session_ticket_type;
short session_ticket_ext_len;
// char session_ticket[session_ticket_ext_len];
} __attribute__((packed, aligned(1)));
STATIC_ASSERT(sizeof(struct tls_ext_session_ticket) == 4, tls_ext_session_ticket);
struct tls_ext_others {
short ec_point_formats_ext_type;
short ec_point_formats_ext_len;
@@ -84,6 +90,8 @@ struct tls_ext_others {
short extended_master_secret_ext_len;
} __attribute__((packed, aligned(1)));
STATIC_ASSERT(sizeof(struct tls_ext_others) == 66, tls_ext_others);
struct tls_server_hello {
char content_type;
short version;
@@ -115,6 +123,8 @@ struct tls_server_hello {
char ec_point_formats[1];
} __attribute__((packed, aligned(1)));
STATIC_ASSERT(sizeof(struct tls_server_hello) == 96, tls_server_hello);
struct tls_change_cipher_spec {
char content_type;
short version;
@@ -122,6 +132,8 @@ struct tls_change_cipher_spec {
char msg;
} __attribute__((packed, aligned(1)));
STATIC_ASSERT(sizeof(struct tls_change_cipher_spec) == 6, tls_change_cipher_spec);
struct tls_encrypted_handshake {
char content_type;
short version;
@@ -129,6 +141,8 @@ struct tls_encrypted_handshake {
// char msg[len];
} __attribute__((packed, aligned(1)));
STATIC_ASSERT(sizeof(struct tls_encrypted_handshake) == 5, tls_encrypted_handshake);
typedef struct frame {
short idx;
short len;
src/utils.h
+2
View File
@@ -229,4 +229,6 @@ void *ss_realloc(void *ptr, size_t new_size);
ptr = NULL; \
} while (0)
#define STATIC_ASSERT(COND,MSG) typedef char static_assertion_##MSG[(COND)?1:-1]
#endif // _UTILS_H