RAND_bytes updates

[openssl.git] / crypto / bio / bss_dgram.c

diff --git a/crypto/bio/bss_dgram.c b/crypto/bio/bss_dgram.c
index 885b969e057036bdd7dcd36e79e93991b7fcff74..ed275d1cb1d61420b0ca7b3708bf806d52d926e5 100644 (file)
--- a/crypto/bio/bss_dgram.c
+++ b/crypto/bio/bss_dgram.c
@@ -449,13 +449,6 @@ static int dgram_write(BIO *b, const char *in, int inl)
         if (BIO_dgram_should_retry(ret)) {
             BIO_set_retry_write(b);
             data->_errno = get_last_socket_error();
-
-# if 0                          /* higher layers are responsible for querying
-                                 * MTU, if necessary */
-            if (data->_errno == EMSGSIZE)
-                /* retrieve the new MTU */
-                BIO_ctrl(b, BIO_CTRL_DGRAM_QUERY_MTU, 0, NULL);
-# endif
         }
     }
     return (ret);
@@ -559,28 +552,19 @@ static long dgram_ctrl(BIO *b, int cmd, long num, void *ptr)
         break;
     case BIO_CTRL_DGRAM_CONNECT:
         to = (struct sockaddr *)ptr;
-# if 0
-        if (connect(b->num, to, sizeof(struct sockaddr)) < 0) {
-            perror("connect");
-            ret = 0;
-        } else {
-# endif
-            switch (to->sa_family) {
-            case AF_INET:
-                memcpy(&data->peer, to, sizeof(data->peer.sa_in));
-                break;
+        switch (to->sa_family) {
+        case AF_INET:
+            memcpy(&data->peer, to, sizeof(data->peer.sa_in));
+            break;
 # if OPENSSL_USE_IPV6
-            case AF_INET6:
-                memcpy(&data->peer, to, sizeof(data->peer.sa_in6));
-                break;
+        case AF_INET6:
+            memcpy(&data->peer, to, sizeof(data->peer.sa_in6));
+            break;
 # endif
-            default:
-                memcpy(&data->peer, to, sizeof(data->peer.sa));
-                break;
-            }
-# if 0
+        default:
+            memcpy(&data->peer, to, sizeof(data->peer.sa));
+            break;
         }
-# endif
         break;
         /* (Linux)kernel sets DF bit on outgoing IP packets */
     case BIO_CTRL_DGRAM_MTU_DISCOVER:
@@ -686,7 +670,6 @@ static long dgram_ctrl(BIO *b, int cmd, long num, void *ptr)
         break;
     case BIO_CTRL_DGRAM_GET_MTU:
         return data->mtu;
-        break;
     case BIO_CTRL_DGRAM_SET_MTU:
         data->mtu = num;
         ret = num;
@@ -1015,6 +998,10 @@ BIO *BIO_new_dgram_sctp(int fd, int close_flag)
      */
     sockopt_len = (socklen_t) (sizeof(sctp_assoc_t) + 256 * sizeof(uint8_t));
     authchunks = OPENSSL_malloc(sockopt_len);
+    if(!authchunks) {
+        BIO_vfree(bio);
+        return (NULL);
+    }
     memset(authchunks, 0, sockopt_len);
     ret =
         getsockopt(fd, IPPROTO_SCTP, SCTP_LOCAL_AUTH_CHUNKS, authchunks,
@@ -1350,6 +1337,10 @@ static int dgram_sctp_read(BIO *b, char *out, int outl)
             optlen =
                 (socklen_t) (sizeof(sctp_assoc_t) + 256 * sizeof(uint8_t));
             authchunks = OPENSSL_malloc(optlen);
+            if (!authchunks) {
+                BIOerr(BIO_F_DGRAM_SCTP_READ, ERR_R_MALLOC_FAILURE);
+                return -1;
+            }
             memset(authchunks, 0, optlen);
             ii = getsockopt(b->num, IPPROTO_SCTP, SCTP_PEER_AUTH_CHUNKS,
                             authchunks, &optlen);
@@ -1416,10 +1407,15 @@ static int dgram_sctp_write(BIO *b, const char *in, int inl)
      * yet, we have to save it and send it as soon as the socket gets dry.
      */
     if (data->save_shutdown && !BIO_dgram_sctp_wait_for_dry(b)) {
+        char *tmp;
         data->saved_message.bio = b;
+        if(!(tmp = OPENSSL_malloc(inl))) {
+            BIOerr(BIO_F_DGRAM_SCTP_WRITE, ERR_R_MALLOC_FAILURE);
+            return -1;
+        }
         if (data->saved_message.data)
             OPENSSL_free(data->saved_message.data);
-        data->saved_message.data = OPENSSL_malloc(inl);
+        data->saved_message.data = tmp;
         memcpy(data->saved_message.data, in, inl);
         data->saved_message.length = inl;
         return inl;
@@ -1993,12 +1989,6 @@ int BIO_dgram_non_fatal_error(int err)
 #  if defined(WSAEWOULDBLOCK)
     case WSAEWOULDBLOCK:
 #  endif
-
-#  if 0                         /* This appears to always be an error */
-#   if defined(WSAENOTCONN)
-    case WSAENOTCONN:
-#   endif
-#  endif
 # endif
 
 # ifdef EWOULDBLOCK