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authorFlorin Coras <fcoras@cisco.com>2020-02-26 05:18:47 +0000
committerDamjan Marion <dmarion@me.com>2020-02-26 12:02:42 +0000
commit3017af9ab2bc83f4b909e3858e20fbf5259ec00a (patch)
tree12f31a1d649c381071ce2a60f32566c1d5680127 /src
parentaab0604c47f9d6e3fadb894b3f081085833f62b3 (diff)
tls: fix bulk bio read/write
Type: fix Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I1f981e909c45f1731ce4bdfa959b41d349e22ef1
Diffstat (limited to 'src')
-rw-r--r--src/plugins/tlsopenssl/tls_openssl.c76
1 files changed, 29 insertions, 47 deletions
diff --git a/src/plugins/tlsopenssl/tls_openssl.c b/src/plugins/tlsopenssl/tls_openssl.c
index f897b64800b..f25ac9f580d 100644
--- a/src/plugins/tlsopenssl/tls_openssl.c
+++ b/src/plugins/tlsopenssl/tls_openssl.c
@@ -130,19 +130,15 @@ openssl_read_from_bio_into_fifo (svm_fifo_t * f, BIO * bio)
if (read <= 0)
return 0;
- if (read == enq_now)
+ c = svm_fifo_tail_chunk (f);
+ while ((c = c->next) && read < enq_max)
{
- c = svm_fifo_tail_chunk (f);
- while (read < enq_max)
- {
- c = c->next;
- enq_now = clib_min (c->length, enq_max - read);
- rv = BIO_read (bio, c->data, enq_now);
- read += rv > 0 ? rv : 0;
+ enq_now = clib_min (c->length, enq_max - read);
+ rv = BIO_read (bio, c->data, enq_now);
+ read += rv > 0 ? rv : 0;
- if (rv < enq_now)
- break;
- }
+ if (rv < enq_now)
+ break;
}
svm_fifo_enqueue_nocopy (f, read);
@@ -171,21 +167,15 @@ openssl_read_from_ssl_into_fifo (svm_fifo_t * f, SSL * ssl)
if (read <= 0)
return 0;
- if (read == enq_now)
+ c = svm_fifo_tail_chunk (f);
+ while ((c = c->next) && read < enq_max)
{
- c = svm_fifo_tail_chunk (f);
- while (read < enq_max)
- {
- c = c->next;
- if (!c)
- break;
- enq_now = clib_min (c->length, enq_max - read);
- rv = SSL_read (ssl, c->data, enq_now);
- read += rv > 0 ? rv : 0;
-
- if (rv < enq_now)
- break;
- }
+ enq_now = clib_min (c->length, enq_max - read);
+ rv = SSL_read (ssl, c->data, enq_now);
+ read += rv > 0 ? rv : 0;
+
+ if (rv < enq_now)
+ break;
}
svm_fifo_enqueue_nocopy (f, read);
@@ -205,19 +195,15 @@ openssl_write_from_fifo_into_bio (svm_fifo_t * f, BIO * bio, u32 len)
if (wrote <= 0)
return 0;
- if (wrote == deq_now)
+ c = svm_fifo_head_chunk (f);
+ while ((c = c->next) && wrote < len)
{
- c = svm_fifo_head_chunk (f);
- while (wrote < len)
- {
- c = c->next;
- deq_now = clib_min (c->length, len - wrote);
- rv = BIO_write (bio, c->data, deq_now);
- wrote += rv > 0 ? rv : 0;
+ deq_now = clib_min (c->length, len - wrote);
+ rv = BIO_write (bio, c->data, deq_now);
+ wrote += rv > 0 ? rv : 0;
- if (rv < deq_now)
- break;
- }
+ if (rv < deq_now)
+ break;
}
svm_fifo_dequeue_drop (f, wrote);
@@ -237,19 +223,15 @@ openssl_write_from_fifo_into_ssl (svm_fifo_t * f, SSL * ssl, u32 len)
if (wrote <= 0)
return 0;
- if (wrote == deq_now)
+ c = svm_fifo_head_chunk (f);
+ while ((c = c->next) && wrote < len)
{
- c = svm_fifo_head_chunk (f);
- while (wrote < len)
- {
- c = c->next;
- deq_now = clib_min (c->length, len - wrote);
- rv = SSL_write (ssl, c->data, deq_now);
- wrote += rv > 0 ? rv : 0;
+ deq_now = clib_min (c->length, len - wrote);
+ rv = SSL_write (ssl, c->data, deq_now);
+ wrote += rv > 0 ? rv : 0;
- if (rv < deq_now)
- break;
- }
+ if (rv < deq_now)
+ break;
}
svm_fifo_dequeue_drop (f, wrote);