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author | wolfbeast <mcwerewolf@gmail.com> | 2018-04-25 21:33:33 +0200 |
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committer | wolfbeast <mcwerewolf@gmail.com> | 2018-04-25 21:33:33 +0200 |
commit | fba28f19754f62b5227650143d5441fc86d4c7d7 (patch) | |
tree | 26629d73f83543ff92a060fd7b310bb748b13173 /security/nss/lib/ssl/ssl3gthr.c | |
parent | b4154e043bfc0d2f301d88304efc896989d650bf (diff) | |
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Revert "Update NSS to 3.35-RTM"
This reverts commit f1a0f0a56fdd0fc39f255174ce08c06b91c66c94.
Diffstat (limited to 'security/nss/lib/ssl/ssl3gthr.c')
-rw-r--r-- | security/nss/lib/ssl/ssl3gthr.c | 50 |
1 files changed, 25 insertions, 25 deletions
diff --git a/security/nss/lib/ssl/ssl3gthr.c b/security/nss/lib/ssl/ssl3gthr.c index 20404f4da..cf6f4cb33 100644 --- a/security/nss/lib/ssl/ssl3gthr.c +++ b/security/nss/lib/ssl/ssl3gthr.c @@ -1,4 +1,3 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * Gather (Read) entire SSL3 records from socket into buffer. * @@ -99,7 +98,7 @@ ssl3_GatherData(sslSocket *ss, sslGather *gs, int flags, ssl2Gather *ssl2gs) PORT_Assert(ss->opt.noLocks || ssl_HaveRecvBufLock(ss)); if (gs->state == GS_INIT) { gs->state = GS_HEADER; - gs->remainder = 5; + gs->remainder = ss->ssl3.hs.shortHeaders ? 2 : 5; gs->offset = 0; gs->writeOffset = 0; gs->readOffset = 0; @@ -157,7 +156,19 @@ ssl3_GatherData(sslSocket *ss, sslGather *gs, int flags, ssl2Gather *ssl2gs) /* Should have a non-SSLv2 record header in gs->hdr. Extract * the length of the following encrypted data, and then * read in the rest of the record into gs->inbuf. */ - gs->remainder = (gs->hdr[3] << 8) | gs->hdr[4]; + if (ss->ssl3.hs.shortHeaders) { + PRUint16 len = (gs->hdr[0] << 8) | gs->hdr[1]; + if (!(len & 0x8000)) { + SSL_DBG(("%d: SSL3[%d]: incorrectly formatted header")); + SSL3_SendAlert(ss, alert_fatal, illegal_parameter); + gs->state = GS_INIT; + PORT_SetError(SSL_ERROR_BAD_MAC_READ); + return SECFailure; + } + gs->remainder = len & ~0x8000; + } else { + gs->remainder = (gs->hdr[3] << 8) | gs->hdr[4]; + } } else { /* Probably an SSLv2 record header. No need to handle any * security escapes (gs->hdr[0] & 0x40) as we wouldn't get @@ -350,9 +361,6 @@ dtls_GatherData(sslSocket *ss, sslGather *gs, int flags) } } - SSL_TRC(20, ("%d: SSL3[%d]: dtls gathered record type=%d len=%d", - SSL_GETPID(), ss->fd, gs->hdr[0], gs->inbuf.len)); - memcpy(gs->inbuf.buf, gs->dtlsPacket.buf + gs->dtlsPacketOffset, gs->remainder); gs->inbuf.len = gs->remainder; @@ -386,8 +394,7 @@ ssl3_GatherCompleteHandshake(sslSocket *ss, int flags) SSL3Ciphertext cText; PRBool keepGoing = PR_TRUE; - SSL_TRC(30, ("%d: SSL3[%d]: ssl3_GatherCompleteHandshake", - SSL_GETPID(), ss->fd)); + SSL_TRC(30, ("ssl3_GatherCompleteHandshake")); /* ssl3_HandleRecord may end up eventually calling ssl_FinishHandshake, * which requires the 1stHandshakeLock, which must be acquired before the @@ -398,12 +405,9 @@ ssl3_GatherCompleteHandshake(sslSocket *ss, int flags) do { PRBool handleRecordNow = PR_FALSE; - PRBool processingEarlyData; ssl_GetSSL3HandshakeLock(ss); - processingEarlyData = ss->ssl3.hs.zeroRttState == ssl_0rtt_accepted; - /* Without this, we may end up wrongly reporting * SSL_ERROR_RX_UNEXPECTED_* errors if we receive any records from the * peer while we are waiting to be restarted. @@ -489,12 +493,18 @@ ssl3_GatherCompleteHandshake(sslSocket *ss, int flags) * If it's a change cipher spec, alert, or handshake message, * ss->gs.buf.len will be 0 when ssl3_HandleRecord returns SECSuccess. */ - cText.type = (SSL3ContentType)ss->gs.hdr[0]; - cText.version = (ss->gs.hdr[1] << 8) | ss->gs.hdr[2]; + if (ss->ssl3.hs.shortHeaders) { + cText.type = content_application_data; + cText.version = SSL_LIBRARY_VERSION_TLS_1_0; + } else { + cText.type = (SSL3ContentType)ss->gs.hdr[0]; + cText.version = (ss->gs.hdr[1] << 8) | ss->gs.hdr[2]; + } if (IS_DTLS(ss)) { sslSequenceNumber seq_num; + cText.version = dtls_DTLSVersionToTLSVersion(cText.version); /* DTLS sequence number */ PORT_Memcpy(&seq_num, &ss->gs.hdr[3], sizeof(seq_num)); cText.seq_num = PR_ntohll(seq_num); @@ -545,22 +555,12 @@ ssl3_GatherCompleteHandshake(sslSocket *ss, int flags) } else { ss->ssl3.hs.canFalseStart = PR_FALSE; } - } else if (processingEarlyData && - ss->ssl3.hs.zeroRttState == ssl_0rtt_done && - !PR_CLIST_IS_EMPTY(&ss->ssl3.hs.bufferedEarlyData)) { - /* If we were processing early data and we are no longer, then force - * the handshake to block. This ensures that early data is - * delivered to the application before the handshake completes. */ - ssl_ReleaseSSL3HandshakeLock(ss); - PORT_SetError(PR_WOULD_BLOCK_ERROR); - return SECWouldBlock; } ssl_ReleaseSSL3HandshakeLock(ss); } while (keepGoing); - /* Service the DTLS timer so that the post-handshake timers - * fire. */ - if (IS_DTLS(ss) && (ss->ssl3.hs.ws == idle_handshake)) { + /* Service the DTLS timer so that the holddown timer eventually fires. */ + if (IS_DTLS(ss)) { dtls_CheckTimer(ss); } ss->gs.readOffset = 0; |