unsigned int mtu;
struct timeval next_timeout;
struct timeval socket_timeout;
+ unsigned int peekmode;
} bio_dgram_data;
# ifndef OPENSSL_NO_SCTP
static int dgram_new(BIO *bi)
{
- bio_dgram_data *data = NULL;
+ bio_dgram_data *data = OPENSSL_zalloc(sizeof(*data));
- bi->init = 0;
- bi->num = 0;
- data = OPENSSL_malloc(sizeof(*data));
if (data == NULL)
return 0;
- memset(data, 0, sizeof(*data));
bi->ptr = data;
-
- bi->flags = 0;
return (1);
}
{
int ret = 0;
bio_dgram_data *data = (bio_dgram_data *)b->ptr;
+ int flags = 0;
struct {
/*
clear_socket_error();
memset(&sa.peer, 0, sizeof(sa.peer));
dgram_adjust_rcv_timeout(b);
- ret = recvfrom(b->num, out, outl, 0, &sa.peer.sa, (void *)&sa.len);
+ if (data->peekmode)
+ flags = MSG_PEEK;
+ ret = recvfrom(b->num, out, outl, flags, &sa.peer.sa, (void *)&sa.len);
if (sizeof(sa.len.i) != sizeof(sa.len.s) && sa.len.i == 0) {
OPENSSL_assert(sa.len.s <= sizeof(sa.peer));
sa.len.i = (int)sa.len.s;
switch (cmd) {
case BIO_CTRL_RESET:
num = 0;
- case BIO_C_FILE_SEEK:
ret = 0;
break;
- case BIO_C_FILE_TELL:
case BIO_CTRL_INFO:
ret = 0;
break;
case BIO_CTRL_DGRAM_GET_MTU_OVERHEAD:
ret = dgram_get_mtu_overhead(data);
break;
+ case BIO_CTRL_DGRAM_SET_PEEK_MODE:
+ data->peekmode = (unsigned int)num;
+ break;
default:
ret = 0;
break;
* connected socket won't use it.
*/
sockopt_len = (socklen_t) (sizeof(sctp_assoc_t) + 256 * sizeof(uint8_t));
- authchunks = OPENSSL_malloc(sockopt_len);
- if (!authchunks) {
+ authchunks = OPENSSL_zalloc(sockopt_len);
+ if (authchunks == NULL) {
BIO_vfree(bio);
return (NULL);
}
- memset(authchunks, 0, sockopt_len);
- ret =
- getsockopt(fd, IPPROTO_SCTP, SCTP_LOCAL_AUTH_CHUNKS, authchunks,
+ ret = getsockopt(fd, IPPROTO_SCTP, SCTP_LOCAL_AUTH_CHUNKS, authchunks,
&sockopt_len);
-
if (ret < 0) {
OPENSSL_free(authchunks);
BIO_vfree(bio);
bi->init = 0;
bi->num = 0;
- data = OPENSSL_malloc(sizeof(*data));
+ data = OPENSSL_zalloc(sizeof(*data));
if (data == NULL)
return 0;
- memset(data, 0, sizeof(*data));
# ifdef SCTP_PR_SCTP_NONE
data->prinfo.pr_policy = SCTP_PR_SCTP_NONE;
# endif
optlen =
(socklen_t) (sizeof(sctp_assoc_t) + 256 * sizeof(uint8_t));
authchunks = OPENSSL_malloc(optlen);
- if (!authchunks) {
+ if (authchunks == NULL) {
BIOerr(BIO_F_DGRAM_SCTP_READ, ERR_R_MALLOC_FAILURE);
return -1;
}