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-rw-r--r--crypto/err/openssl.txt2
-rw-r--r--include/openssl/sslerr.h2
-rw-r--r--ssl/record/rec_layer_d1.c9
-rw-r--r--ssl/record/rec_layer_s3.c12
-rw-r--r--ssl/record/ssl3_record.c66
-rw-r--r--ssl/record/ssl3_record_tls13.c29
-rw-r--r--ssl/ssl_err.c2
7 files changed, 96 insertions, 26 deletions
diff --git a/crypto/err/openssl.txt b/crypto/err/openssl.txt
index 932fc466aa..308abae13e 100644
--- a/crypto/err/openssl.txt
+++ b/crypto/err/openssl.txt
@@ -1043,6 +1043,7 @@ SSL_F_SSL3_CTRL:213:ssl3_ctrl
SSL_F_SSL3_CTX_CTRL:133:ssl3_ctx_ctrl
SSL_F_SSL3_DIGEST_CACHED_RECORDS:293:ssl3_digest_cached_records
SSL_F_SSL3_DO_CHANGE_CIPHER_SPEC:292:ssl3_do_change_cipher_spec
+SSL_F_SSL3_ENC:608:ssl3_enc
SSL_F_SSL3_FINAL_FINISH_MAC:285:ssl3_final_finish_mac
SSL_F_SSL3_FINISH_MAC:587:ssl3_finish_mac
SSL_F_SSL3_GENERATE_KEY_BLOCK:238:ssl3_generate_key_block
@@ -1197,6 +1198,7 @@ SSL_F_STATE_MACHINE:353:state_machine
SSL_F_TLS12_CHECK_PEER_SIGALG:333:tls12_check_peer_sigalg
SSL_F_TLS12_COPY_SIGALGS:533:tls12_copy_sigalgs
SSL_F_TLS13_CHANGE_CIPHER_STATE:440:tls13_change_cipher_state
+SSL_F_TLS13_ENC:609:tls13_enc
SSL_F_TLS13_FINAL_FINISH_MAC:605:tls13_final_finish_mac
SSL_F_TLS13_GENERATE_SECRET:591:tls13_generate_secret
SSL_F_TLS13_HKDF_EXPAND:561:tls13_hkdf_expand
diff --git a/include/openssl/sslerr.h b/include/openssl/sslerr.h
index ef6b9dd403..b54459b0d0 100644
--- a/include/openssl/sslerr.h
+++ b/include/openssl/sslerr.h
@@ -97,6 +97,7 @@ int ERR_load_SSL_strings(void);
# define SSL_F_SSL3_CTX_CTRL 133
# define SSL_F_SSL3_DIGEST_CACHED_RECORDS 293
# define SSL_F_SSL3_DO_CHANGE_CIPHER_SPEC 292
+# define SSL_F_SSL3_ENC 608
# define SSL_F_SSL3_FINAL_FINISH_MAC 285
# define SSL_F_SSL3_FINISH_MAC 587
# define SSL_F_SSL3_GENERATE_KEY_BLOCK 238
@@ -249,6 +250,7 @@ int ERR_load_SSL_strings(void);
# define SSL_F_TLS12_CHECK_PEER_SIGALG 333
# define SSL_F_TLS12_COPY_SIGALGS 533
# define SSL_F_TLS13_CHANGE_CIPHER_STATE 440
+# define SSL_F_TLS13_ENC 609
# define SSL_F_TLS13_FINAL_FINISH_MAC 605
# define SSL_F_TLS13_GENERATE_SECRET 591
# define SSL_F_TLS13_HKDF_EXPAND 561
diff --git a/ssl/record/rec_layer_d1.c b/ssl/record/rec_layer_d1.c
index 71adbe46f1..ddb3a61832 100644
--- a/ssl/record/rec_layer_d1.c
+++ b/ssl/record/rec_layer_d1.c
@@ -356,7 +356,8 @@ int dtls1_read_bytes(SSL *s, int type, int *recvd_type, unsigned char *buf,
if ((type && (type != SSL3_RT_APPLICATION_DATA) &&
(type != SSL3_RT_HANDSHAKE)) ||
(peek && (type != SSL3_RT_APPLICATION_DATA))) {
- SSLerr(SSL_F_DTLS1_READ_BYTES, ERR_R_INTERNAL_ERROR);
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_DTLS1_READ_BYTES,
+ ERR_R_INTERNAL_ERROR);
return -1;
}
@@ -907,8 +908,10 @@ int do_dtls1_write(SSL *s, int type, const unsigned char *buf,
SSL3_RECORD_add_length(&wr, eivlen);
if (s->method->ssl3_enc->enc(s, &wr, 1, 1) < 1) {
- SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_DO_DTLS1_WRITE,
- ERR_R_INTERNAL_ERROR);
+ if (!ossl_statem_in_error(s)) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_DO_DTLS1_WRITE,
+ ERR_R_INTERNAL_ERROR);
+ }
return -1;
}
diff --git a/ssl/record/rec_layer_s3.c b/ssl/record/rec_layer_s3.c
index 7f35cb897a..5f01b04139 100644
--- a/ssl/record/rec_layer_s3.c
+++ b/ssl/record/rec_layer_s3.c
@@ -983,14 +983,18 @@ int do_ssl3_write(SSL *s, int type, const unsigned char *buf,
* send early data - so we need to use the tls13enc function.
*/
if (tls13_enc(s, wr, numpipes, 1) < 1) {
- SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_DO_SSL3_WRITE,
- ERR_R_INTERNAL_ERROR);
+ if (!ossl_statem_in_error(s)) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_DO_SSL3_WRITE,
+ ERR_R_INTERNAL_ERROR);
+ }
goto err;
}
} else {
if (s->method->ssl3_enc->enc(s, wr, numpipes, 1) < 1) {
- SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_DO_SSL3_WRITE,
- ERR_R_INTERNAL_ERROR);
+ if (!ossl_statem_in_error(s)) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_DO_SSL3_WRITE,
+ ERR_R_INTERNAL_ERROR);
+ }
goto err;
}
}
diff --git a/ssl/record/ssl3_record.c b/ssl/record/ssl3_record.c
index 049452ba49..213f00104d 100644
--- a/ssl/record/ssl3_record.c
+++ b/ssl/record/ssl3_record.c
@@ -488,6 +488,10 @@ int ssl3_get_record(SSL *s)
* -1: if the padding is invalid
*/
if (enc_err == 0) {
+ if (ossl_statem_in_error(s)) {
+ /* SSLfatal() already got called */
+ return -1;
+ }
if (num_recs == 1 && ossl_statem_skip_early_data(s)) {
/*
* Valid early_data that we cannot decrypt might fail here as
@@ -588,6 +592,10 @@ int ssl3_get_record(SSL *s)
}
if (enc_err < 0) {
+ if (ossl_statem_in_error(s)) {
+ /* We already called SSLfatal() */
+ return -1;
+ }
if (num_recs == 1 && ossl_statem_skip_early_data(s)) {
/*
* We assume this is unreadable early_data - we treat it like an
@@ -776,7 +784,8 @@ int ssl3_do_compress(SSL *ssl, SSL3_RECORD *wr)
}
/*-
- * ssl3_enc encrypts/decrypts |n_recs| records in |inrecs|
+ * ssl3_enc encrypts/decrypts |n_recs| records in |inrecs|. Will call
+ * SSLfatal() for internal errors, but not otherwise.
*
* Returns:
* 0: (in non-constant time) if the record is publically invalid (i.e. too
@@ -851,8 +860,11 @@ int ssl3_enc(SSL *s, SSL3_RECORD *inrecs, size_t n_recs, int sending)
if (EVP_MD_CTX_md(s->read_hash) != NULL) {
/* TODO(size_t): convert me */
imac_size = EVP_MD_CTX_size(s->read_hash);
- if (imac_size < 0)
+ if (imac_size < 0) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_ENC,
+ ERR_R_INTERNAL_ERROR);
return -1;
+ }
mac_size = (size_t)imac_size;
}
if ((bs != 1) && !sending)
@@ -863,7 +875,8 @@ int ssl3_enc(SSL *s, SSL3_RECORD *inrecs, size_t n_recs, int sending)
#define MAX_PADDING 256
/*-
- * tls1_enc encrypts/decrypts |n_recs| in |recs|.
+ * tls1_enc encrypts/decrypts |n_recs| in |recs|. Will call SSLfatal() for
+ * internal errors, but not otherwise.
*
* Returns:
* 0: (in non-constant time) if the record is publically invalid (i.e. too
@@ -883,14 +896,18 @@ int tls1_enc(SSL *s, SSL3_RECORD *recs, size_t n_recs, int sending)
int imac_size;
const EVP_CIPHER *enc;
- if (n_recs == 0)
+ if (n_recs == 0) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_ENC,
+ ERR_R_INTERNAL_ERROR);
return 0;
+ }
if (sending) {
if (EVP_MD_CTX_md(s->write_hash)) {
int n = EVP_MD_CTX_size(s->write_hash);
if (!ossl_assert(n >= 0)) {
- SSLerr(SSL_F_TLS1_ENC, ERR_R_INTERNAL_ERROR);
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_ENC,
+ ERR_R_INTERNAL_ERROR);
return -1;
}
}
@@ -913,10 +930,12 @@ int tls1_enc(SSL *s, SSL3_RECORD *recs, size_t n_recs, int sending)
* we can't write into the input stream: Can this ever
* happen?? (steve)
*/
- SSLerr(SSL_F_TLS1_ENC, ERR_R_INTERNAL_ERROR);
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_ENC,
+ ERR_R_INTERNAL_ERROR);
return -1;
} else if (ssl_randbytes(s, recs[ctr].input, ivlen) <= 0) {
- SSLerr(SSL_F_TLS1_ENC, ERR_R_INTERNAL_ERROR);
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_ENC,
+ ERR_R_INTERNAL_ERROR);
return -1;
}
}
@@ -926,7 +945,8 @@ int tls1_enc(SSL *s, SSL3_RECORD *recs, size_t n_recs, int sending)
if (EVP_MD_CTX_md(s->read_hash)) {
int n = EVP_MD_CTX_size(s->read_hash);
if (!ossl_assert(n >= 0)) {
- SSLerr(SSL_F_TLS1_ENC, ERR_R_INTERNAL_ERROR);
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_ENC,
+ ERR_R_INTERNAL_ERROR);
return -1;
}
}
@@ -953,7 +973,8 @@ int tls1_enc(SSL *s, SSL3_RECORD *recs, size_t n_recs, int sending)
* We shouldn't have been called with pipeline data if the
* cipher doesn't support pipelining
*/
- SSLerr(SSL_F_TLS1_ENC, SSL_R_PIPELINE_FAILURE);
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_ENC,
+ SSL_R_PIPELINE_FAILURE);
return -1;
}
}
@@ -991,8 +1012,11 @@ int tls1_enc(SSL *s, SSL3_RECORD *recs, size_t n_recs, int sending)
buf[ctr][12] = (unsigned char)(recs[ctr].length & 0xff);
pad = EVP_CIPHER_CTX_ctrl(ds, EVP_CTRL_AEAD_TLS1_AAD,
EVP_AEAD_TLS1_AAD_LEN, buf[ctr]);
- if (pad <= 0)
+ if (pad <= 0) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_ENC,
+ ERR_R_INTERNAL_ERROR);
return -1;
+ }
if (sending) {
reclen[ctr] += pad;
@@ -1004,8 +1028,11 @@ int tls1_enc(SSL *s, SSL3_RECORD *recs, size_t n_recs, int sending)
/* Add weird padding of upto 256 bytes */
- if (padnum > MAX_PADDING)
+ if (padnum > MAX_PADDING) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_ENC,
+ ERR_R_INTERNAL_ERROR);
return -1;
+ }
/* we need to add 'padnum' padding bytes of value padval */
padval = (unsigned char)(padnum - 1);
for (loop = reclen[ctr]; loop < reclen[ctr] + padnum; loop++)
@@ -1028,7 +1055,9 @@ int tls1_enc(SSL *s, SSL3_RECORD *recs, size_t n_recs, int sending)
}
if (EVP_CIPHER_CTX_ctrl(ds, EVP_CTRL_SET_PIPELINE_OUTPUT_BUFS,
(int)n_recs, data) <= 0) {
- SSLerr(SSL_F_TLS1_ENC, SSL_R_PIPELINE_FAILURE);
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_ENC,
+ SSL_R_PIPELINE_FAILURE);
+ return -1;
}
/* Set the input buffers */
for (ctr = 0; ctr < n_recs; ctr++) {
@@ -1038,7 +1067,8 @@ int tls1_enc(SSL *s, SSL3_RECORD *recs, size_t n_recs, int sending)
(int)n_recs, data) <= 0
|| EVP_CIPHER_CTX_ctrl(ds, EVP_CTRL_SET_PIPELINE_INPUT_LENS,
(int)n_recs, reclen) <= 0) {
- SSLerr(SSL_F_TLS1_ENC, SSL_R_PIPELINE_FAILURE);
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_ENC,
+ SSL_R_PIPELINE_FAILURE);
return -1;
}
}
@@ -1051,6 +1081,7 @@ int tls1_enc(SSL *s, SSL3_RECORD *recs, size_t n_recs, int sending)
? (tmpr < 0)
: (tmpr == 0))
return -1; /* AEAD can fail to verify MAC */
+
if (sending == 0) {
if (EVP_CIPHER_mode(enc) == EVP_CIPH_GCM_MODE) {
for (ctr = 0; ctr < n_recs; ctr++) {
@@ -1070,8 +1101,11 @@ int tls1_enc(SSL *s, SSL3_RECORD *recs, size_t n_recs, int sending)
ret = 1;
if (!SSL_READ_ETM(s) && EVP_MD_CTX_md(s->read_hash) != NULL) {
imac_size = EVP_MD_CTX_size(s->read_hash);
- if (imac_size < 0)
+ if (imac_size < 0) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS1_ENC,
+ ERR_R_INTERNAL_ERROR);
return -1;
+ }
mac_size = (size_t)imac_size;
}
if ((bs != 1) && !sending) {
@@ -1589,6 +1623,10 @@ int dtls1_process_record(SSL *s, DTLS1_BITMAP *bitmap)
* -1: if the padding is invalid
*/
if (enc_err == 0) {
+ if (ossl_statem_in_error(s)) {
+ /* SSLfatal() got called */
+ return 0;
+ }
/* For DTLS we simply ignore bad packets. */
rr->length = 0;
RECORD_LAYER_reset_packet_length(&s->rlayer);
diff --git a/ssl/record/ssl3_record_tls13.c b/ssl/record/ssl3_record_tls13.c
index 696cc37fd3..f1e1667b9d 100644
--- a/ssl/record/ssl3_record_tls13.c
+++ b/ssl/record/ssl3_record_tls13.c
@@ -12,7 +12,8 @@
#include "internal/cryptlib.h"
/*-
- * tls13_enc encrypts/decrypts |n_recs| in |recs|.
+ * tls13_enc encrypts/decrypts |n_recs| in |recs|. Will call SSLfatal() for
+ * internal errors, but not otherwise.
*
* Returns:
* 0: (in non-constant time) if the record is publically invalid (i.e. too
@@ -35,6 +36,8 @@ int tls13_enc(SSL *s, SSL3_RECORD *recs, size_t n_recs, int sending)
if (n_recs != 1) {
/* Should not happen */
/* TODO(TLS1.3): Support pipelining */
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_ENC,
+ ERR_R_INTERNAL_ERROR);
return -1;
}
@@ -62,8 +65,11 @@ int tls13_enc(SSL *s, SSL3_RECORD *recs, size_t n_recs, int sending)
alg_enc = s->session->cipher->algorithm_enc;
} else {
if (!ossl_assert(s->psksession != NULL
- && s->psksession->ext.max_early_data > 0))
+ && s->psksession->ext.max_early_data > 0)) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_ENC,
+ ERR_R_INTERNAL_ERROR);
return -1;
+ }
alg_enc = s->psksession->cipher->algorithm_enc;
}
} else {
@@ -71,8 +77,11 @@ int tls13_enc(SSL *s, SSL3_RECORD *recs, size_t n_recs, int sending)
* To get here we must have selected a ciphersuite - otherwise ctx would
* be NULL
*/
- if (!ossl_assert(s->s3->tmp.new_cipher != NULL))
+ if (!ossl_assert(s->s3->tmp.new_cipher != NULL)) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_ENC,
+ ERR_R_INTERNAL_ERROR);
return -1;
+ }
alg_enc = s->s3->tmp.new_cipher->algorithm_enc;
}
@@ -82,13 +91,18 @@ int tls13_enc(SSL *s, SSL3_RECORD *recs, size_t n_recs, int sending)
else
taglen = EVP_CCM_TLS_TAG_LEN;
if (sending && EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG, taglen,
- NULL) <= 0)
+ NULL) <= 0) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_ENC,
+ ERR_R_INTERNAL_ERROR);
return -1;
+ }
} else if (alg_enc & SSL_AESGCM) {
taglen = EVP_GCM_TLS_TAG_LEN;
} else if (alg_enc & SSL_CHACHA20) {
taglen = EVP_CHACHAPOLY_TLS_TAG_LEN;
} else {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_ENC,
+ ERR_R_INTERNAL_ERROR);
return -1;
}
@@ -105,6 +119,8 @@ int tls13_enc(SSL *s, SSL3_RECORD *recs, size_t n_recs, int sending)
/* Set up IV */
if (ivlen < SEQ_NUM_SIZE) {
/* Should not happen */
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_ENC,
+ ERR_R_INTERNAL_ERROR);
return -1;
}
offset = ivlen - SEQ_NUM_SIZE;
@@ -137,8 +153,11 @@ int tls13_enc(SSL *s, SSL3_RECORD *recs, size_t n_recs, int sending)
if (sending) {
/* Add the tag */
if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_GET_TAG, taglen,
- rec->data + rec->length) <= 0)
+ rec->data + rec->length) <= 0) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_ENC,
+ ERR_R_INTERNAL_ERROR);
return -1;
+ }
rec->length += taglen;
}
diff --git a/ssl/ssl_err.c b/ssl/ssl_err.c
index 7710ef0fd8..7b201e0260 100644
--- a/ssl/ssl_err.c
+++ b/ssl/ssl_err.c
@@ -128,6 +128,7 @@ static const ERR_STRING_DATA SSL_str_functs[] = {
"ssl3_digest_cached_records"},
{ERR_PACK(ERR_LIB_SSL, SSL_F_SSL3_DO_CHANGE_CIPHER_SPEC, 0),
"ssl3_do_change_cipher_spec"},
+ {ERR_PACK(ERR_LIB_SSL, SSL_F_SSL3_ENC, 0), "ssl3_enc"},
{ERR_PACK(ERR_LIB_SSL, SSL_F_SSL3_FINAL_FINISH_MAC, 0),
"ssl3_final_finish_mac"},
{ERR_PACK(ERR_LIB_SSL, SSL_F_SSL3_FINISH_MAC, 0), "ssl3_finish_mac"},
@@ -362,6 +363,7 @@ static const ERR_STRING_DATA SSL_str_functs[] = {
{ERR_PACK(ERR_LIB_SSL, SSL_F_TLS12_COPY_SIGALGS, 0), "tls12_copy_sigalgs"},
{ERR_PACK(ERR_LIB_SSL, SSL_F_TLS13_CHANGE_CIPHER_STATE, 0),
"tls13_change_cipher_state"},
+ {ERR_PACK(ERR_LIB_SSL, SSL_F_TLS13_ENC, 0), "tls13_enc"},
{ERR_PACK(ERR_LIB_SSL, SSL_F_TLS13_FINAL_FINISH_MAC, 0),
"tls13_final_finish_mac"},
{ERR_PACK(ERR_LIB_SSL, SSL_F_TLS13_GENERATE_SECRET, 0),