zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libssl/openssl-1.1.1o/ssl/packet.c b/ap/lib/libssl/openssl-1.1.1o/ssl/packet.c
new file mode 100644
index 0000000..1ddde96
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/ssl/packet.c
@@ -0,0 +1,424 @@
+/*
+ * Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include "internal/cryptlib.h"
+#include "packet_local.h"
+#include <openssl/sslerr.h>
+
+#define DEFAULT_BUF_SIZE 256
+
+int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
+{
+ if (!WPACKET_reserve_bytes(pkt, len, allocbytes))
+ return 0;
+
+ pkt->written += len;
+ pkt->curr += len;
+ return 1;
+}
+
+int WPACKET_sub_allocate_bytes__(WPACKET *pkt, size_t len,
+ unsigned char **allocbytes, size_t lenbytes)
+{
+ if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)
+ || !WPACKET_allocate_bytes(pkt, len, allocbytes)
+ || !WPACKET_close(pkt))
+ return 0;
+
+ return 1;
+}
+
+#define GETBUF(p) (((p)->staticbuf != NULL) \
+ ? (p)->staticbuf : (unsigned char *)(p)->buf->data)
+
+int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
+{
+ /* Internal API, so should not fail */
+ if (!ossl_assert(pkt->subs != NULL && len != 0))
+ return 0;
+
+ if (pkt->maxsize - pkt->written < len)
+ return 0;
+
+ if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) {
+ size_t newlen;
+ size_t reflen;
+
+ reflen = (len > pkt->buf->length) ? len : pkt->buf->length;
+
+ if (reflen > SIZE_MAX / 2) {
+ newlen = SIZE_MAX;
+ } else {
+ newlen = reflen * 2;
+ if (newlen < DEFAULT_BUF_SIZE)
+ newlen = DEFAULT_BUF_SIZE;
+ }
+ if (BUF_MEM_grow(pkt->buf, newlen) == 0)
+ return 0;
+ }
+ if (allocbytes != NULL)
+ *allocbytes = WPACKET_get_curr(pkt);
+
+ return 1;
+}
+
+int WPACKET_sub_reserve_bytes__(WPACKET *pkt, size_t len,
+ unsigned char **allocbytes, size_t lenbytes)
+{
+ if (!WPACKET_reserve_bytes(pkt, lenbytes + len, allocbytes))
+ return 0;
+
+ *allocbytes += lenbytes;
+
+ return 1;
+}
+
+static size_t maxmaxsize(size_t lenbytes)
+{
+ if (lenbytes >= sizeof(size_t) || lenbytes == 0)
+ return SIZE_MAX;
+
+ return ((size_t)1 << (lenbytes * 8)) - 1 + lenbytes;
+}
+
+static int wpacket_intern_init_len(WPACKET *pkt, size_t lenbytes)
+{
+ unsigned char *lenchars;
+
+ pkt->curr = 0;
+ pkt->written = 0;
+
+ if ((pkt->subs = OPENSSL_zalloc(sizeof(*pkt->subs))) == NULL) {
+ SSLerr(SSL_F_WPACKET_INTERN_INIT_LEN, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+
+ if (lenbytes == 0)
+ return 1;
+
+ pkt->subs->pwritten = lenbytes;
+ pkt->subs->lenbytes = lenbytes;
+
+ if (!WPACKET_allocate_bytes(pkt, lenbytes, &lenchars)) {
+ OPENSSL_free(pkt->subs);
+ pkt->subs = NULL;
+ return 0;
+ }
+ pkt->subs->packet_len = lenchars - GETBUF(pkt);
+
+ return 1;
+}
+
+int WPACKET_init_static_len(WPACKET *pkt, unsigned char *buf, size_t len,
+ size_t lenbytes)
+{
+ size_t max = maxmaxsize(lenbytes);
+
+ /* Internal API, so should not fail */
+ if (!ossl_assert(buf != NULL && len > 0))
+ return 0;
+
+ pkt->staticbuf = buf;
+ pkt->buf = NULL;
+ pkt->maxsize = (max < len) ? max : len;
+
+ return wpacket_intern_init_len(pkt, lenbytes);
+}
+
+int WPACKET_init_len(WPACKET *pkt, BUF_MEM *buf, size_t lenbytes)
+{
+ /* Internal API, so should not fail */
+ if (!ossl_assert(buf != NULL))
+ return 0;
+
+ pkt->staticbuf = NULL;
+ pkt->buf = buf;
+ pkt->maxsize = maxmaxsize(lenbytes);
+
+ return wpacket_intern_init_len(pkt, lenbytes);
+}
+
+int WPACKET_init(WPACKET *pkt, BUF_MEM *buf)
+{
+ return WPACKET_init_len(pkt, buf, 0);
+}
+
+int WPACKET_set_flags(WPACKET *pkt, unsigned int flags)
+{
+ /* Internal API, so should not fail */
+ if (!ossl_assert(pkt->subs != NULL))
+ return 0;
+
+ pkt->subs->flags = flags;
+
+ return 1;
+}
+
+/* Store the |value| of length |len| at location |data| */
+static int put_value(unsigned char *data, size_t value, size_t len)
+{
+ for (data += len - 1; len > 0; len--) {
+ *data = (unsigned char)(value & 0xff);
+ data--;
+ value >>= 8;
+ }
+
+ /* Check whether we could fit the value in the assigned number of bytes */
+ if (value > 0)
+ return 0;
+
+ return 1;
+}
+
+
+/*
+ * Internal helper function used by WPACKET_close(), WPACKET_finish() and
+ * WPACKET_fill_lengths() to close a sub-packet and write out its length if
+ * necessary. If |doclose| is 0 then it goes through the motions of closing
+ * (i.e. it fills in all the lengths), but doesn't actually close anything.
+ */
+static int wpacket_intern_close(WPACKET *pkt, WPACKET_SUB *sub, int doclose)
+{
+ size_t packlen = pkt->written - sub->pwritten;
+
+ if (packlen == 0
+ && (sub->flags & WPACKET_FLAGS_NON_ZERO_LENGTH) != 0)
+ return 0;
+
+ if (packlen == 0
+ && sub->flags & WPACKET_FLAGS_ABANDON_ON_ZERO_LENGTH) {
+ /* We can't handle this case. Return an error */
+ if (!doclose)
+ return 0;
+
+ /* Deallocate any bytes allocated for the length of the WPACKET */
+ if ((pkt->curr - sub->lenbytes) == sub->packet_len) {
+ pkt->written -= sub->lenbytes;
+ pkt->curr -= sub->lenbytes;
+ }
+
+ /* Don't write out the packet length */
+ sub->packet_len = 0;
+ sub->lenbytes = 0;
+ }
+
+ /* Write out the WPACKET length if needed */
+ if (sub->lenbytes > 0
+ && !put_value(&GETBUF(pkt)[sub->packet_len], packlen,
+ sub->lenbytes))
+ return 0;
+
+ if (doclose) {
+ pkt->subs = sub->parent;
+ OPENSSL_free(sub);
+ }
+
+ return 1;
+}
+
+int WPACKET_fill_lengths(WPACKET *pkt)
+{
+ WPACKET_SUB *sub;
+
+ if (!ossl_assert(pkt->subs != NULL))
+ return 0;
+
+ for (sub = pkt->subs; sub != NULL; sub = sub->parent) {
+ if (!wpacket_intern_close(pkt, sub, 0))
+ return 0;
+ }
+
+ return 1;
+}
+
+int WPACKET_close(WPACKET *pkt)
+{
+ /*
+ * Internal API, so should not fail - but we do negative testing of this
+ * so no assert (otherwise the tests fail)
+ */
+ if (pkt->subs == NULL || pkt->subs->parent == NULL)
+ return 0;
+
+ return wpacket_intern_close(pkt, pkt->subs, 1);
+}
+
+int WPACKET_finish(WPACKET *pkt)
+{
+ int ret;
+
+ /*
+ * Internal API, so should not fail - but we do negative testing of this
+ * so no assert (otherwise the tests fail)
+ */
+ if (pkt->subs == NULL || pkt->subs->parent != NULL)
+ return 0;
+
+ ret = wpacket_intern_close(pkt, pkt->subs, 1);
+ if (ret) {
+ OPENSSL_free(pkt->subs);
+ pkt->subs = NULL;
+ }
+
+ return ret;
+}
+
+int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)
+{
+ WPACKET_SUB *sub;
+ unsigned char *lenchars;
+
+ /* Internal API, so should not fail */
+ if (!ossl_assert(pkt->subs != NULL))
+ return 0;
+
+ if ((sub = OPENSSL_zalloc(sizeof(*sub))) == NULL) {
+ SSLerr(SSL_F_WPACKET_START_SUB_PACKET_LEN__, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+
+ sub->parent = pkt->subs;
+ pkt->subs = sub;
+ sub->pwritten = pkt->written + lenbytes;
+ sub->lenbytes = lenbytes;
+
+ if (lenbytes == 0) {
+ sub->packet_len = 0;
+ return 1;
+ }
+
+ if (!WPACKET_allocate_bytes(pkt, lenbytes, &lenchars))
+ return 0;
+ /* Convert to an offset in case the underlying BUF_MEM gets realloc'd */
+ sub->packet_len = lenchars - GETBUF(pkt);
+
+ return 1;
+}
+
+int WPACKET_start_sub_packet(WPACKET *pkt)
+{
+ return WPACKET_start_sub_packet_len__(pkt, 0);
+}
+
+int WPACKET_put_bytes__(WPACKET *pkt, unsigned int val, size_t size)
+{
+ unsigned char *data;
+
+ /* Internal API, so should not fail */
+ if (!ossl_assert(size <= sizeof(unsigned int))
+ || !WPACKET_allocate_bytes(pkt, size, &data)
+ || !put_value(data, val, size))
+ return 0;
+
+ return 1;
+}
+
+int WPACKET_set_max_size(WPACKET *pkt, size_t maxsize)
+{
+ WPACKET_SUB *sub;
+ size_t lenbytes;
+
+ /* Internal API, so should not fail */
+ if (!ossl_assert(pkt->subs != NULL))
+ return 0;
+
+ /* Find the WPACKET_SUB for the top level */
+ for (sub = pkt->subs; sub->parent != NULL; sub = sub->parent)
+ continue;
+
+ lenbytes = sub->lenbytes;
+ if (lenbytes == 0)
+ lenbytes = sizeof(pkt->maxsize);
+
+ if (maxmaxsize(lenbytes) < maxsize || maxsize < pkt->written)
+ return 0;
+
+ pkt->maxsize = maxsize;
+
+ return 1;
+}
+
+int WPACKET_memset(WPACKET *pkt, int ch, size_t len)
+{
+ unsigned char *dest;
+
+ if (len == 0)
+ return 1;
+
+ if (!WPACKET_allocate_bytes(pkt, len, &dest))
+ return 0;
+
+ memset(dest, ch, len);
+
+ return 1;
+}
+
+int WPACKET_memcpy(WPACKET *pkt, const void *src, size_t len)
+{
+ unsigned char *dest;
+
+ if (len == 0)
+ return 1;
+
+ if (!WPACKET_allocate_bytes(pkt, len, &dest))
+ return 0;
+
+ memcpy(dest, src, len);
+
+ return 1;
+}
+
+int WPACKET_sub_memcpy__(WPACKET *pkt, const void *src, size_t len,
+ size_t lenbytes)
+{
+ if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)
+ || !WPACKET_memcpy(pkt, src, len)
+ || !WPACKET_close(pkt))
+ return 0;
+
+ return 1;
+}
+
+int WPACKET_get_total_written(WPACKET *pkt, size_t *written)
+{
+ /* Internal API, so should not fail */
+ if (!ossl_assert(written != NULL))
+ return 0;
+
+ *written = pkt->written;
+
+ return 1;
+}
+
+int WPACKET_get_length(WPACKET *pkt, size_t *len)
+{
+ /* Internal API, so should not fail */
+ if (!ossl_assert(pkt->subs != NULL && len != NULL))
+ return 0;
+
+ *len = pkt->written - pkt->subs->pwritten;
+
+ return 1;
+}
+
+unsigned char *WPACKET_get_curr(WPACKET *pkt)
+{
+ return GETBUF(pkt) + pkt->curr;
+}
+
+void WPACKET_cleanup(WPACKET *pkt)
+{
+ WPACKET_SUB *sub, *parent;
+
+ for (sub = pkt->subs; sub != NULL; sub = parent) {
+ parent = sub->parent;
+ OPENSSL_free(sub);
+ }
+ pkt->subs = NULL;
+}