zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libssl/openssl-1.1.1o/crypto/bio/bf_nbio.c b/ap/lib/libssl/openssl-1.1.1o/crypto/bio/bf_nbio.c
new file mode 100644
index 0000000..dd7011a
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/crypto/bio/bf_nbio.c
@@ -0,0 +1,200 @@
+/*
+ * Copyright 1995-2018 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 <stdio.h>
+#include <errno.h>
+#include "bio_local.h"
+#include "internal/cryptlib.h"
+#include <openssl/rand.h>
+
+/*
+ * BIO_put and BIO_get both add to the digest, BIO_gets returns the digest
+ */
+
+static int nbiof_write(BIO *h, const char *buf, int num);
+static int nbiof_read(BIO *h, char *buf, int size);
+static int nbiof_puts(BIO *h, const char *str);
+static int nbiof_gets(BIO *h, char *str, int size);
+static long nbiof_ctrl(BIO *h, int cmd, long arg1, void *arg2);
+static int nbiof_new(BIO *h);
+static int nbiof_free(BIO *data);
+static long nbiof_callback_ctrl(BIO *h, int cmd, BIO_info_cb *fp);
+typedef struct nbio_test_st {
+ /* only set if we sent a 'should retry' error */
+ int lrn;
+ int lwn;
+} NBIO_TEST;
+
+static const BIO_METHOD methods_nbiof = {
+ BIO_TYPE_NBIO_TEST,
+ "non-blocking IO test filter",
+ /* TODO: Convert to new style write function */
+ bwrite_conv,
+ nbiof_write,
+ /* TODO: Convert to new style read function */
+ bread_conv,
+ nbiof_read,
+ nbiof_puts,
+ nbiof_gets,
+ nbiof_ctrl,
+ nbiof_new,
+ nbiof_free,
+ nbiof_callback_ctrl,
+};
+
+const BIO_METHOD *BIO_f_nbio_test(void)
+{
+ return &methods_nbiof;
+}
+
+static int nbiof_new(BIO *bi)
+{
+ NBIO_TEST *nt;
+
+ if ((nt = OPENSSL_zalloc(sizeof(*nt))) == NULL) {
+ BIOerr(BIO_F_NBIOF_NEW, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ nt->lrn = -1;
+ nt->lwn = -1;
+ bi->ptr = (char *)nt;
+ bi->init = 1;
+ return 1;
+}
+
+static int nbiof_free(BIO *a)
+{
+ if (a == NULL)
+ return 0;
+ OPENSSL_free(a->ptr);
+ a->ptr = NULL;
+ a->init = 0;
+ a->flags = 0;
+ return 1;
+}
+
+static int nbiof_read(BIO *b, char *out, int outl)
+{
+ int ret = 0;
+ int num;
+ unsigned char n;
+
+ if (out == NULL)
+ return 0;
+ if (b->next_bio == NULL)
+ return 0;
+
+ BIO_clear_retry_flags(b);
+ if (RAND_priv_bytes(&n, 1) <= 0)
+ return -1;
+ num = (n & 0x07);
+
+ if (outl > num)
+ outl = num;
+
+ if (num == 0) {
+ ret = -1;
+ BIO_set_retry_read(b);
+ } else {
+ ret = BIO_read(b->next_bio, out, outl);
+ if (ret < 0)
+ BIO_copy_next_retry(b);
+ }
+ return ret;
+}
+
+static int nbiof_write(BIO *b, const char *in, int inl)
+{
+ NBIO_TEST *nt;
+ int ret = 0;
+ int num;
+ unsigned char n;
+
+ if ((in == NULL) || (inl <= 0))
+ return 0;
+ if (b->next_bio == NULL)
+ return 0;
+ nt = (NBIO_TEST *)b->ptr;
+
+ BIO_clear_retry_flags(b);
+
+ if (nt->lwn > 0) {
+ num = nt->lwn;
+ nt->lwn = 0;
+ } else {
+ if (RAND_priv_bytes(&n, 1) <= 0)
+ return -1;
+ num = (n & 7);
+ }
+
+ if (inl > num)
+ inl = num;
+
+ if (num == 0) {
+ ret = -1;
+ BIO_set_retry_write(b);
+ } else {
+ ret = BIO_write(b->next_bio, in, inl);
+ if (ret < 0) {
+ BIO_copy_next_retry(b);
+ nt->lwn = inl;
+ }
+ }
+ return ret;
+}
+
+static long nbiof_ctrl(BIO *b, int cmd, long num, void *ptr)
+{
+ long ret;
+
+ if (b->next_bio == NULL)
+ return 0;
+ switch (cmd) {
+ case BIO_C_DO_STATE_MACHINE:
+ BIO_clear_retry_flags(b);
+ ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+ BIO_copy_next_retry(b);
+ break;
+ case BIO_CTRL_DUP:
+ ret = 0L;
+ break;
+ default:
+ ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+ break;
+ }
+ return ret;
+}
+
+static long nbiof_callback_ctrl(BIO *b, int cmd, BIO_info_cb *fp)
+{
+ long ret = 1;
+
+ if (b->next_bio == NULL)
+ return 0;
+ switch (cmd) {
+ default:
+ ret = BIO_callback_ctrl(b->next_bio, cmd, fp);
+ break;
+ }
+ return ret;
+}
+
+static int nbiof_gets(BIO *bp, char *buf, int size)
+{
+ if (bp->next_bio == NULL)
+ return 0;
+ return BIO_gets(bp->next_bio, buf, size);
+}
+
+static int nbiof_puts(BIO *bp, const char *str)
+{
+ if (bp->next_bio == NULL)
+ return 0;
+ return BIO_puts(bp->next_bio, str);
+}