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Diffstat (limited to 'crypto/openssl/ssl/d1_pkt.c')
-rw-r--r--crypto/openssl/ssl/d1_pkt.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/crypto/openssl/ssl/d1_pkt.c b/crypto/openssl/ssl/d1_pkt.c
index 008b545..e9f6beb 100644
--- a/crypto/openssl/ssl/d1_pkt.c
+++ b/crypto/openssl/ssl/d1_pkt.c
@@ -924,6 +924,13 @@ int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek)
goto start;
}
+ /*
+ * Reset the count of consecutive warning alerts if we've got a non-empty
+ * record that isn't an alert.
+ */
+ if (rr->type != SSL3_RT_ALERT && rr->length != 0)
+ s->s3->alert_count = 0;
+
/* we now have a packet which can be read and processed */
if (s->s3->change_cipher_spec /* set when we receive ChangeCipherSpec,
@@ -1190,6 +1197,14 @@ int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek)
if (alert_level == SSL3_AL_WARNING) {
s->s3->warn_alert = alert_descr;
+
+ s->s3->alert_count++;
+ if (s->s3->alert_count == MAX_WARN_ALERT_COUNT) {
+ al = SSL_AD_UNEXPECTED_MESSAGE;
+ SSLerr(SSL_F_DTLS1_READ_BYTES, SSL_R_TOO_MANY_WARN_ALERTS);
+ goto f_err;
+ }
+
if (alert_descr == SSL_AD_CLOSE_NOTIFY) {
#ifndef OPENSSL_NO_SCTP
/*
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