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New option SSL_OP_NO_COMP to disable compression. New ctrls to set

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maximum send fragment size. Allocate I/O buffers accordingly.
This commit is contained in:
Dr. Stephen Henson
2005-10-08 00:18:53 +00:00
parent 7a2f4cbfe8
commit 566dda07ba
11 changed files with 122 additions and 21 deletions
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28
ssl/s3_both.c
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@@ -589,16 +589,22 @@ int ssl_verify_alarm_type(long type)
int ssl3_setup_buffers(SSL *s)
{
unsigned char *p;
unsigned int extra;
size_t len;
if (s->s3->rbuf.buf == NULL)
{
len = SSL3_RT_MAX_PLAIN_LENGTH
+ SSL3_RT_MAX_ENCRYPTED_OVERHEAD
+ SSL3_RT_HEADER_LENGTH;
if (s->options & SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER)
extra=SSL3_RT_MAX_EXTRA;
else
extra=0;
len = SSL3_RT_MAX_PACKET_SIZE + extra;
{
s->s3->init_extra = 1;
len += SSL3_RT_MAX_EXTRA;
}
#ifndef OPENSSL_NO_COMP
if (!(s->options & SSL_OP_NO_COMPRESSION))
len += SSL3_RT_MAX_COMPRESSED_OVERHEAD;
#endif
if ((p=OPENSSL_malloc(len)) == NULL)
goto err;
s->s3->rbuf.buf = p;
@@ -607,8 +613,16 @@ int ssl3_setup_buffers(SSL *s)
if (s->s3->wbuf.buf == NULL)
{
len = SSL3_RT_MAX_PACKET_SIZE;
len += SSL3_RT_HEADER_LENGTH + 256; /* extra space for empty fragment */
len = s->max_send_fragment
+ SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD
+ SSL3_RT_HEADER_LENGTH;
#ifndef OPENSSL_NO_COMP
if (!(s->options & SSL_OP_NO_COMPRESSION))
len += SSL3_RT_MAX_COMPRESSED_OVERHEAD;
#endif
if (!(s->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS))
len += SSL3_RT_HEADER_LENGTH
+ SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD;
if ((p=OPENSSL_malloc(len)) == NULL)
goto err;
s->s3->wbuf.buf = p;