generic-library/openssl
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

PR: 2602

Browse Source 
Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Reviewed by: steve

Fix DTLS bug which prevents manual MTU setting
This commit is contained in:
Dr. Stephen Henson
2011-09-23 13:35:32 +00:00
parent 6ec9ff83f3
commit fc4015329f
4 changed files with 15 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
ssl/d1_both.c
View File

@@ -158,7 +158,6 @@ static unsigned char bitmask_end_values[] = {0xff, 0x01, 0x03, 0x07, 0x0f, 0x1
/* XDTLS: figure out the right values */
static unsigned int g_probable_mtu[] = {1500 - 28, 512 - 28, 256 - 28};
static unsigned int dtls1_min_mtu(void);
static unsigned int dtls1_guess_mtu(unsigned int curr_mtu);
static void dtls1_fix_message_header(SSL *s, unsigned long frag_off,
unsigned long frag_len);
@@ -264,11 +263,10 @@ int dtls1_do_write(SSL *s, int type)
return ret;
mtu = s->d1->mtu - (DTLS1_HM_HEADER_LENGTH + DTLS1_RT_HEADER_LENGTH);
}
OPENSSL_assert(mtu > 0); /* should have something reasonable now */
#endif
OPENSSL_assert(s->d1->mtu >= dtls1_min_mtu()); /* should have something reasonable now */
if ( s->init_off == 0 && type == SSL3_RT_HANDSHAKE)
OPENSSL_assert(s->init_num ==
(int)s->d1->w_msg_hdr.msg_len + DTLS1_HM_HEADER_LENGTH);
@@ -1371,7 +1369,7 @@ dtls1_write_message_header(SSL *s, unsigned char *p)
return p;
}
static unsigned int
unsigned int
dtls1_min_mtu(void)
{
return (g_probable_mtu[(sizeof(g_probable_mtu) /