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Merge pull request #1205 from SparkiDev/tls_ext_fix

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Fix TLS extension code
This commit is contained in:
toddouska
2017-11-01 10:10:10 -07:00
committed by GitHub
parent 68371c8e66 f4ae86dc1b
commit f91b2e19d7
3 changed files with 22 additions and 15 deletions
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17
src/internal.c
View File

@ -20241,14 +20241,6 @@ static int DoSessionTicket(WOLFSSL* ssl, const byte* input, word32* inOutIdx,
sessIdSz = 0;
}
/* check for avalaible size */
if ((ret = CheckAvailableSize(ssl, MAX_HELLO_SZ)) != 0)
return ret;
/* get output buffer */
output = ssl->buffers.outputBuffer.buffer +
ssl->buffers.outputBuffer.length;
sendSz = length + HANDSHAKE_HEADER_SZ + RECORD_HEADER_SZ;
#ifdef WOLFSSL_DTLS
if (ssl->options.dtls) {
@ -20260,6 +20252,15 @@ static int DoSessionTicket(WOLFSSL* ssl, const byte* input, word32* inOutIdx,
sendSz += DTLS_RECORD_EXTRA + DTLS_HANDSHAKE_EXTRA;
}
#endif /* WOLFSSL_DTLS */
/* check for avalaible size */
if ((ret = CheckAvailableSize(ssl, sendSz)) != 0)
return ret;
/* get output buffer */
output = ssl->buffers.outputBuffer.buffer +
ssl->buffers.outputBuffer.length;
AddHeaders(output, length, server_hello, ssl);
/* now write to output */

14
src/tls.c
View File

@ -5250,7 +5250,7 @@ static word16 TLSX_KeyShare_GetSize(KeyShareEntry* list, byte msgType)
if (!isRequest && current->key == NULL)
continue;
len += OPAQUE16_LEN + OPAQUE16_LEN + current->keLen;
len += KE_GROUP_LEN + OPAQUE16_LEN + current->keLen;
}
return len;
@ -8085,6 +8085,12 @@ word16 TLSX_GetResponseSize(WOLFSSL* ssl, byte msgType)
TURN_OFF(semaphore, TLSX_ToSemaphore(TLSX_KEY_SHARE));
#if defined(HAVE_SESSION_TICKET) || !defined(NO_PSK)
TURN_OFF(semaphore, TLSX_ToSemaphore(TLSX_PRE_SHARED_KEY));
#endif
}
else {
TURN_ON(semaphore, TLSX_ToSemaphore(TLSX_KEY_SHARE));
#if defined(HAVE_SESSION_TICKET) || !defined(NO_PSK)
TURN_ON(semaphore, TLSX_ToSemaphore(TLSX_PRE_SHARED_KEY));
#endif
}
#endif
@ -8166,6 +8172,12 @@ word16 TLSX_WriteResponse(WOLFSSL *ssl, byte* output, byte msgType)
TURN_OFF(semaphore, TLSX_ToSemaphore(TLSX_KEY_SHARE));
#if defined(HAVE_SESSION_TICKET) || !defined(NO_PSK)
TURN_OFF(semaphore, TLSX_ToSemaphore(TLSX_PRE_SHARED_KEY));
#endif
}
else {
TURN_ON(semaphore, TLSX_ToSemaphore(TLSX_KEY_SHARE));
#if defined(HAVE_SESSION_TICKET) || !defined(NO_PSK)
TURN_ON(semaphore, TLSX_ToSemaphore(TLSX_PRE_SHARED_KEY));
#endif
}
#endif

6
wolfssl/internal.h
View File

@ -1129,12 +1129,6 @@ enum Misc {
MIN_RSA_SHA512_PSS_BITS = 512 * 2 + 8 * 8, /* Min key size */
MIN_RSA_SHA384_PSS_BITS = 384 * 2 + 8 * 8, /* Min key size */
#ifdef HAVE_QSH
/* qsh handshake sends 600+ size keys over hello extensions */
MAX_HELLO_SZ = 2048, /* max client or server hello */
#else
MAX_HELLO_SZ = 128, /* max client or server hello */
#endif
MAX_CERT_VERIFY_SZ = 1024, /* max */
CLIENT_HELLO_FIRST = 35, /* Protocol + RAN_LEN + sizeof(id_len) */
MAX_SUITE_NAME = 48, /* maximum length of cipher suite string */