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authorjanekptacijarabaci <janekptacijarabaci@seznam.cz>2018-04-28 07:38:20 +0200
committerjanekptacijarabaci <janekptacijarabaci@seznam.cz>2018-04-28 07:38:20 +0200
commit6b2bba06b433fb75979ab6daf7bbe8bc76c53875 (patch)
tree75803b4683889e6e0d2a3faef30415db3ff7b3ba /security/nss/lib/ssl/ssl3gthr.c
parent72def35cd0cf3649b6d7ab72b66117df3e1c33fc (diff)
parentc75dae3ed21bfa5a8ae46cd83d18329af5bea05a (diff)
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Merge branch 'master' of https://github.com/MoonchildProductions/UXP into pm_url_1
Diffstat (limited to 'security/nss/lib/ssl/ssl3gthr.c')
-rw-r--r--security/nss/lib/ssl/ssl3gthr.c50
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;