155   UniquePtr<hm_fragment> frag = MakeUnique<hm_fragment>();  in dtls1_hm_fragment_new()  local
156   if (!frag) {  in dtls1_hm_fragment_new()
159   frag->type = msg_hdr->type;  in dtls1_hm_fragment_new()
160   frag->seq = msg_hdr->seq;  in dtls1_hm_fragment_new()
161   frag->msg_len = msg_hdr->msg_len;  in dtls1_hm_fragment_new()
164   frag->data =  in dtls1_hm_fragment_new()
166   if (frag->data == NULL) {  in dtls1_hm_fragment_new()
171   if (!CBB_init_fixed(cbb.get(), frag->data, DTLS1_HM_HEADER_LENGTH) ||  in dtls1_hm_fragment_new()
190     frag->reassembly = (uint8_t *)OPENSSL_malloc(bitmask_len);  in dtls1_hm_fragment_new()
191     if (frag->reassembly == NULL) {  in dtls1_hm_fragment_new()
195     OPENSSL_memset(frag->reassembly, 0, bitmask_len);  in dtls1_hm_fragment_new()
198   return frag;  in dtls1_hm_fragment_new()
211 static void dtls1_hm_fragment_mark(hm_fragment *frag, size_t start,  in dtls1_hm_fragment_mark()  argument
213   size_t msg_len = frag->msg_len;  in dtls1_hm_fragment_mark()
215   if (frag->reassembly == NULL || start > end || end > msg_len) {  in dtls1_hm_fragment_mark()
227     frag->reassembly[start >> 3] |= bit_range(start & 7, end & 7);  in dtls1_hm_fragment_mark()
229     frag->reassembly[start >> 3] |= bit_range(start & 7, 8);  in dtls1_hm_fragment_mark()
231       frag->reassembly[i] = 0xff;  in dtls1_hm_fragment_mark()
234       frag->reassembly[end >> 3] |= bit_range(0, end & 7);  in dtls1_hm_fragment_mark()
240     if (frag->reassembly[i] != 0xff) {  in dtls1_hm_fragment_mark()
245       frag->reassembly[msg_len >> 3] != bit_range(0, msg_len & 7)) {  in dtls1_hm_fragment_mark()
249   OPENSSL_free(frag->reassembly);  in dtls1_hm_fragment_mark()
250   frag->reassembly = NULL;  in dtls1_hm_fragment_mark()
257   hm_fragment *frag = ssl->d1->incoming_messages[idx].get();  in dtls1_is_current_message_complete()  local
258   return frag != NULL && frag->reassembly == NULL;  in dtls1_is_current_message_complete()
274   hm_fragment *frag = ssl->d1->incoming_messages[idx].get();  in dtls1_get_incoming_message()  local
275   if (frag != NULL) {  in dtls1_get_incoming_message()
276     assert(frag->seq == msg_hdr->seq);  in dtls1_get_incoming_message()
279     if (frag->type != msg_hdr->type ||  in dtls1_get_incoming_message()
280         frag->msg_len != msg_hdr->msg_len) {  in dtls1_get_incoming_message()
285     return frag;  in dtls1_get_incoming_message()
387     hm_fragment *frag = dtls1_get_incoming_message(ssl, out_alert, &msg_hdr);  in dtls1_open_handshake()  local
388     if (frag == NULL) {  in dtls1_open_handshake()
391     assert(frag->msg_len == msg_len);  in dtls1_open_handshake()
393     if (frag->reassembly == NULL) {  in dtls1_open_handshake()
400     OPENSSL_memcpy(frag->data + DTLS1_HM_HEADER_LENGTH + frag_off,  in dtls1_open_handshake()
402     dtls1_hm_fragment_mark(frag, frag_off, frag_off + frag_len);  in dtls1_open_handshake()
414   hm_fragment *frag = ssl->d1->incoming_messages[idx].get();  in dtls1_get_message()  local
415   out->type = frag->type;  in dtls1_get_message()
416   CBS_init(&out->body, frag->data + DTLS1_HM_HEADER_LENGTH, frag->msg_len);  in dtls1_get_message()
417   CBS_init(&out->raw, frag->data, DTLS1_HM_HEADER_LENGTH + frag->msg_len);  in dtls1_get_message()
695   uint8_t *frag = out + prefix;  in seal_next_message()  local
697   if (!CBB_init_fixed(cbb.get(), frag, max_frag) ||  in seal_next_message()
710                       MakeSpan(frag, frag_len));  in seal_next_message()