diff options
| -rw-r--r-- | crypto/openssl/ssl/d1_both.c | 13 | ||||
| -rw-r--r-- | crypto/openssl/ssl/s3_clnt.c | 9 | ||||
| -rw-r--r-- | crypto/openssl/ssl/s3_pkt.c | 11 | ||||
| -rw-r--r-- | crypto/openssl/ssl/s3_srvr.c | 5 | ||||
| -rw-r--r-- | crypto/openssl/ssl/ssl3.h | 1 |
5 files changed, 36 insertions, 3 deletions
diff --git a/crypto/openssl/ssl/d1_both.c b/crypto/openssl/ssl/d1_both.c index 2e8cf68..4c2fd03 100644 --- a/crypto/openssl/ssl/d1_both.c +++ b/crypto/openssl/ssl/d1_both.c @@ -627,7 +627,16 @@ dtls1_reassemble_fragment(SSL *s, struct hm_header_st* msg_hdr, int *ok) frag->msg_header.frag_off = 0; } else + { frag = (hm_fragment*) item->data; + if (frag->msg_header.msg_len != msg_hdr->msg_len) + { + item = NULL; + frag = NULL; + goto err; + } + } + /* If message is already reassembled, this must be a * retransmit and can be dropped. @@ -784,6 +793,7 @@ dtls1_get_message_fragment(SSL *s, int st1, int stn, long max, int *ok) int i,al; struct hm_header_st msg_hdr; + redo: /* see if we have the required fragment already */ if ((frag_len = dtls1_retrieve_buffered_fragment(s,max,ok)) || *ok) { @@ -842,8 +852,7 @@ dtls1_get_message_fragment(SSL *s, int st1, int stn, long max, int *ok) s->msg_callback_arg); s->init_num = 0; - return dtls1_get_message_fragment(s, st1, stn, - max, ok); + goto redo; } else /* Incorrectly formated Hello request */ { diff --git a/crypto/openssl/ssl/s3_clnt.c b/crypto/openssl/ssl/s3_clnt.c index a6b3c01..0457af8 100644 --- a/crypto/openssl/ssl/s3_clnt.c +++ b/crypto/openssl/ssl/s3_clnt.c @@ -559,6 +559,7 @@ int ssl3_connect(SSL *s) case SSL3_ST_CR_FINISHED_A: case SSL3_ST_CR_FINISHED_B: + s->s3->flags |= SSL3_FLAGS_CCS_OK; ret=ssl3_get_finished(s,SSL3_ST_CR_FINISHED_A, SSL3_ST_CR_FINISHED_B); if (ret <= 0) goto end; @@ -915,6 +916,7 @@ int ssl3_get_server_hello(SSL *s) SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_ATTEMPT_TO_REUSE_SESSION_IN_DIFFERENT_CONTEXT); goto f_err; } + s->s3->flags |= SSL3_FLAGS_CCS_OK; s->hit=1; } else /* a miss or crap from the other end */ @@ -2510,6 +2512,13 @@ int ssl3_send_client_key_exchange(SSL *s) int ecdh_clnt_cert = 0; int field_size = 0; + if (s->session->sess_cert == NULL) + { + ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_UNEXPECTED_MESSAGE); + SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,SSL_R_UNEXPECTED_MESSAGE); + goto err; + } + /* Did we send out the client's * ECDH share for use in premaster * computation as part of client certificate? diff --git a/crypto/openssl/ssl/s3_pkt.c b/crypto/openssl/ssl/s3_pkt.c index 1b1613e..d67b5b3 100644 --- a/crypto/openssl/ssl/s3_pkt.c +++ b/crypto/openssl/ssl/s3_pkt.c @@ -1301,6 +1301,15 @@ start: goto f_err; } + if (!(s->s3->flags & SSL3_FLAGS_CCS_OK)) + { + al=SSL_AD_UNEXPECTED_MESSAGE; + SSLerr(SSL_F_SSL3_READ_BYTES,SSL_R_CCS_RECEIVED_EARLY); + goto f_err; + } + + s->s3->flags &= ~SSL3_FLAGS_CCS_OK; + rr->length=0; if (s->msg_callback) @@ -1435,7 +1444,7 @@ int ssl3_do_change_cipher_spec(SSL *s) if (s->s3->tmp.key_block == NULL) { - if (s->session == NULL) + if (s->session == NULL || s->session->master_key_length == 0) { /* might happen if dtls1_read_bytes() calls this */ SSLerr(SSL_F_SSL3_DO_CHANGE_CIPHER_SPEC,SSL_R_CCS_RECEIVED_EARLY); diff --git a/crypto/openssl/ssl/s3_srvr.c b/crypto/openssl/ssl/s3_srvr.c index 9ac19c0..0eb8b28 100644 --- a/crypto/openssl/ssl/s3_srvr.c +++ b/crypto/openssl/ssl/s3_srvr.c @@ -673,6 +673,7 @@ int ssl3_accept(SSL *s) case SSL3_ST_SR_CERT_VRFY_A: case SSL3_ST_SR_CERT_VRFY_B: + s->s3->flags |= SSL3_FLAGS_CCS_OK; /* we should decide if we expected this one */ ret=ssl3_get_cert_verify(s); if (ret <= 0) goto end; @@ -700,6 +701,7 @@ int ssl3_accept(SSL *s) case SSL3_ST_SR_FINISHED_A: case SSL3_ST_SR_FINISHED_B: + s->s3->flags |= SSL3_FLAGS_CCS_OK; ret=ssl3_get_finished(s,SSL3_ST_SR_FINISHED_A, SSL3_ST_SR_FINISHED_B); if (ret <= 0) goto end; @@ -770,7 +772,10 @@ int ssl3_accept(SSL *s) s->s3->tmp.next_state=SSL3_ST_SR_FINISHED_A; #else if (s->s3->next_proto_neg_seen) + { + s->s3->flags |= SSL3_FLAGS_CCS_OK; s->s3->tmp.next_state=SSL3_ST_SR_NEXT_PROTO_A; + } else s->s3->tmp.next_state=SSL3_ST_SR_FINISHED_A; #endif diff --git a/crypto/openssl/ssl/ssl3.h b/crypto/openssl/ssl/ssl3.h index cb8b249..bcb853f 100644 --- a/crypto/openssl/ssl/ssl3.h +++ b/crypto/openssl/ssl/ssl3.h @@ -399,6 +399,7 @@ typedef struct ssl3_buffer_st * effected, but we can't prevent that. */ #define SSL3_FLAGS_SGC_RESTART_DONE 0x0040 +#define SSL3_FLAGS_CCS_OK 0x0080 #ifndef OPENSSL_NO_SSL_INTERN |
