diff options
Diffstat (limited to 'apps')
| -rw-r--r-- | apps/s_client.c | 16 | ||||
| -rw-r--r-- | apps/s_server.c | 18 |
2 files changed, 30 insertions, 4 deletions
diff --git a/apps/s_client.c b/apps/s_client.c index a19c829bf0..43737fdcce 100644 --- a/apps/s_client.c +++ b/apps/s_client.c @@ -1501,10 +1501,22 @@ re_start: BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); } - if (socket_mtu > 28) + if (socket_mtu) { + if(socket_mtu < DTLS_get_link_min_mtu(con)) + { + BIO_printf(bio_err,"MTU too small. Must be at least %ld\n", + DTLS_get_link_min_mtu(con)); + BIO_free(sbio); + goto shut; + } SSL_set_options(con, SSL_OP_NO_QUERY_MTU); - SSL_set_mtu(con, socket_mtu - 28); + if(!DTLS_set_link_mtu(con, socket_mtu)) + { + BIO_printf(bio_err, "Failed to set MTU\n"); + BIO_free(sbio); + goto shut; + } } else /* want to do MTU discovery */ diff --git a/apps/s_server.c b/apps/s_server.c index dbc4373044..5eab0b5823 100644 --- a/apps/s_server.c +++ b/apps/s_server.c @@ -2253,10 +2253,24 @@ static int sv_body(char *hostname, int s, int stype, unsigned char *context) BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); } - if (socket_mtu > 28) + if (socket_mtu) { + if(socket_mtu < DTLS_get_link_min_mtu(con)) + { + BIO_printf(bio_err,"MTU too small. Must be at least %ld\n", + DTLS_get_link_min_mtu(con)); + ret = -1; + BIO_free(sbio); + goto err; + } SSL_set_options(con, SSL_OP_NO_QUERY_MTU); - SSL_set_mtu(con, socket_mtu - 28); + if(!DTLS_set_link_mtu(con, socket_mtu)) + { + BIO_printf(bio_err, "Failed to set MTU\n"); + ret = -1; + BIO_free(sbio); + goto err; + } } else /* want to do MTU discovery */ |