diff options
Diffstat (limited to 'crypto/bio/bss_dgram.c')
| -rw-r--r-- | crypto/bio/bss_dgram.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/crypto/bio/bss_dgram.c b/crypto/bio/bss_dgram.c index 49cf56ad19..eb6897a3fd 100644 --- a/crypto/bio/bss_dgram.c +++ b/crypto/bio/bss_dgram.c @@ -722,6 +722,28 @@ static long dgram_ctrl(BIO *b, int cmd, long num, void *ptr) case BIO_CTRL_DGRAM_SET_PEER: BIO_ADDR_make(&data->peer, BIO_ADDR_sockaddr((BIO_ADDR *)ptr)); break; + case BIO_CTRL_DGRAM_DETECT_PEER_ADDR: + { + BIO_ADDR xaddr, *p = &data->peer; + socklen_t xaddr_len = sizeof(xaddr.sa); + + if (BIO_ADDR_family(p) == AF_UNSPEC) { + if (getpeername(b->num, (void *)&xaddr.sa, &xaddr_len) == 0 + && BIO_ADDR_family(&xaddr) != AF_UNSPEC) { + p = &xaddr; + } else { + ret = 0; + break; + } + } + + ret = BIO_ADDR_sockaddr_size(p); + if (num == 0 || num > ret) + num = ret; + + memcpy(ptr, p, (ret = num)); + } + break; case BIO_C_SET_NBIO: if (!BIO_socket_nbio(b->num, num != 0)) ret = 0; |