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54 lines
1.9 KiB
54 lines
1.9 KiB
7 years ago
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diff -up openssl-1.0.1e/ssl/d1_both.c.dtls-memleak openssl-1.0.1e/ssl/d1_both.c
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--- openssl-1.0.1e/ssl/d1_both.c.dtls-memleak 2014-08-07 17:51:18.457493922 +0200
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+++ openssl-1.0.1e/ssl/d1_both.c 2014-08-07 17:58:28.478558785 +0200
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@@ -610,6 +610,9 @@ dtls1_reassemble_fragment(SSL *s, struct
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msg_hdr->msg_len > dtls1_max_handshake_message_len(s))
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goto err;
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+ if (frag_len == 0)
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+ return DTLS1_HM_FRAGMENT_RETRY;
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+
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/* Try to find item in queue */
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memset(seq64be,0,sizeof(seq64be));
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seq64be[6] = (unsigned char) (msg_hdr->seq>>8);
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@@ -686,7 +689,12 @@ dtls1_reassemble_fragment(SSL *s, struct
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i = -1;
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}
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- pqueue_insert(s->d1->buffered_messages, item);
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+ item = pqueue_insert(s->d1->buffered_messages, item);
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+ /* pqueue_insert fails iff a duplicate item is inserted.
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+ * However, |item| cannot be a duplicate. If it were,
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+ * |pqueue_find|, above, would have returned it and control
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+ * would never have reached this branch. */
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+ OPENSSL_assert(item != NULL);
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}
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return DTLS1_HM_FRAGMENT_RETRY;
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@@ -744,7 +752,7 @@ dtls1_process_out_of_seq_message(SSL *s,
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}
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else
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{
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- if (frag_len && frag_len < msg_hdr->msg_len)
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+ if (frag_len < msg_hdr->msg_len)
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return dtls1_reassemble_fragment(s, msg_hdr, ok);
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if (frag_len > dtls1_max_handshake_message_len(s))
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@@ -773,7 +781,15 @@ dtls1_process_out_of_seq_message(SSL *s,
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if ( item == NULL)
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goto err;
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- pqueue_insert(s->d1->buffered_messages, item);
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+ item = pqueue_insert(s->d1->buffered_messages, item);
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+ /* pqueue_insert fails iff a duplicate item is inserted.
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+ * However, |item| cannot be a duplicate. If it were,
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+ * |pqueue_find|, above, would have returned it. Then, either
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+ * |frag_len| != |msg_hdr->msg_len| in which case |item| is set
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+ * to NULL and it will have been processed with
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+ * |dtls1_reassemble_fragment|, above, or the record will have
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+ * been discarded. */
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+ OPENSSL_assert(item != NULL);
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}
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return DTLS1_HM_FRAGMENT_RETRY;
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