zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libssl/openssl-1.1.1o/crypto/bio/bf_lbuf.c b/ap/lib/libssl/openssl-1.1.1o/crypto/bio/bf_lbuf.c
new file mode 100644
index 0000000..72f9901
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/crypto/bio/bf_lbuf.c
@@ -0,0 +1,326 @@
+/*
+ * 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/evp.h>
+
+static int linebuffer_write(BIO *h, const char *buf, int num);
+static int linebuffer_read(BIO *h, char *buf, int size);
+static int linebuffer_puts(BIO *h, const char *str);
+static int linebuffer_gets(BIO *h, char *str, int size);
+static long linebuffer_ctrl(BIO *h, int cmd, long arg1, void *arg2);
+static int linebuffer_new(BIO *h);
+static int linebuffer_free(BIO *data);
+static long linebuffer_callback_ctrl(BIO *h, int cmd, BIO_info_cb *fp);
+
+/* A 10k maximum should be enough for most purposes */
+#define DEFAULT_LINEBUFFER_SIZE 1024*10
+
+/* #define DEBUG */
+
+static const BIO_METHOD methods_linebuffer = {
+ BIO_TYPE_LINEBUFFER,
+ "linebuffer",
+ /* TODO: Convert to new style write function */
+ bwrite_conv,
+ linebuffer_write,
+ /* TODO: Convert to new style read function */
+ bread_conv,
+ linebuffer_read,
+ linebuffer_puts,
+ linebuffer_gets,
+ linebuffer_ctrl,
+ linebuffer_new,
+ linebuffer_free,
+ linebuffer_callback_ctrl,
+};
+
+const BIO_METHOD *BIO_f_linebuffer(void)
+{
+ return &methods_linebuffer;
+}
+
+typedef struct bio_linebuffer_ctx_struct {
+ char *obuf; /* the output char array */
+ int obuf_size; /* how big is the output buffer */
+ int obuf_len; /* how many bytes are in it */
+} BIO_LINEBUFFER_CTX;
+
+static int linebuffer_new(BIO *bi)
+{
+ BIO_LINEBUFFER_CTX *ctx;
+
+ if ((ctx = OPENSSL_malloc(sizeof(*ctx))) == NULL) {
+ BIOerr(BIO_F_LINEBUFFER_NEW, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ ctx->obuf = OPENSSL_malloc(DEFAULT_LINEBUFFER_SIZE);
+ if (ctx->obuf == NULL) {
+ BIOerr(BIO_F_LINEBUFFER_NEW, ERR_R_MALLOC_FAILURE);
+ OPENSSL_free(ctx);
+ return 0;
+ }
+ ctx->obuf_size = DEFAULT_LINEBUFFER_SIZE;
+ ctx->obuf_len = 0;
+
+ bi->init = 1;
+ bi->ptr = (char *)ctx;
+ bi->flags = 0;
+ return 1;
+}
+
+static int linebuffer_free(BIO *a)
+{
+ BIO_LINEBUFFER_CTX *b;
+
+ if (a == NULL)
+ return 0;
+ b = (BIO_LINEBUFFER_CTX *)a->ptr;
+ OPENSSL_free(b->obuf);
+ OPENSSL_free(a->ptr);
+ a->ptr = NULL;
+ a->init = 0;
+ a->flags = 0;
+ return 1;
+}
+
+static int linebuffer_read(BIO *b, char *out, int outl)
+{
+ int ret = 0;
+
+ if (out == NULL)
+ return 0;
+ if (b->next_bio == NULL)
+ return 0;
+ ret = BIO_read(b->next_bio, out, outl);
+ BIO_clear_retry_flags(b);
+ BIO_copy_next_retry(b);
+ return ret;
+}
+
+static int linebuffer_write(BIO *b, const char *in, int inl)
+{
+ int i, num = 0, foundnl;
+ BIO_LINEBUFFER_CTX *ctx;
+
+ if ((in == NULL) || (inl <= 0))
+ return 0;
+ ctx = (BIO_LINEBUFFER_CTX *)b->ptr;
+ if ((ctx == NULL) || (b->next_bio == NULL))
+ return 0;
+
+ BIO_clear_retry_flags(b);
+
+ do {
+ const char *p;
+ char c;
+
+ for (p = in, c = '\0'; p < in + inl && (c = *p) != '\n'; p++) ;
+ if (c == '\n') {
+ p++;
+ foundnl = 1;
+ } else
+ foundnl = 0;
+
+ /*
+ * If a NL was found and we already have text in the save buffer,
+ * concatenate them and write
+ */
+ while ((foundnl || p - in > ctx->obuf_size - ctx->obuf_len)
+ && ctx->obuf_len > 0) {
+ int orig_olen = ctx->obuf_len;
+
+ i = ctx->obuf_size - ctx->obuf_len;
+ if (p - in > 0) {
+ if (i >= p - in) {
+ memcpy(&(ctx->obuf[ctx->obuf_len]), in, p - in);
+ ctx->obuf_len += p - in;
+ inl -= p - in;
+ num += p - in;
+ in = p;
+ } else {
+ memcpy(&(ctx->obuf[ctx->obuf_len]), in, i);
+ ctx->obuf_len += i;
+ inl -= i;
+ in += i;
+ num += i;
+ }
+ }
+ i = BIO_write(b->next_bio, ctx->obuf, ctx->obuf_len);
+ if (i <= 0) {
+ ctx->obuf_len = orig_olen;
+ BIO_copy_next_retry(b);
+
+ if (i < 0)
+ return ((num > 0) ? num : i);
+ if (i == 0)
+ return num;
+ }
+ if (i < ctx->obuf_len)
+ memmove(ctx->obuf, ctx->obuf + i, ctx->obuf_len - i);
+ ctx->obuf_len -= i;
+ }
+
+ /*
+ * Now that the save buffer is emptied, let's write the input buffer
+ * if a NL was found and there is anything to write.
+ */
+ if ((foundnl || p - in > ctx->obuf_size) && p - in > 0) {
+ i = BIO_write(b->next_bio, in, p - in);
+ if (i <= 0) {
+ BIO_copy_next_retry(b);
+ if (i < 0)
+ return ((num > 0) ? num : i);
+ if (i == 0)
+ return num;
+ }
+ num += i;
+ in += i;
+ inl -= i;
+ }
+ }
+ while (foundnl && inl > 0);
+ /*
+ * We've written as much as we can. The rest of the input buffer, if
+ * any, is text that doesn't and with a NL and therefore needs to be
+ * saved for the next trip.
+ */
+ if (inl > 0) {
+ memcpy(&(ctx->obuf[ctx->obuf_len]), in, inl);
+ ctx->obuf_len += inl;
+ num += inl;
+ }
+ return num;
+}
+
+static long linebuffer_ctrl(BIO *b, int cmd, long num, void *ptr)
+{
+ BIO *dbio;
+ BIO_LINEBUFFER_CTX *ctx;
+ long ret = 1;
+ char *p;
+ int r;
+ int obs;
+
+ ctx = (BIO_LINEBUFFER_CTX *)b->ptr;
+
+ switch (cmd) {
+ case BIO_CTRL_RESET:
+ ctx->obuf_len = 0;
+ if (b->next_bio == NULL)
+ return 0;
+ ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+ break;
+ case BIO_CTRL_INFO:
+ ret = (long)ctx->obuf_len;
+ break;
+ case BIO_CTRL_WPENDING:
+ ret = (long)ctx->obuf_len;
+ if (ret == 0) {
+ if (b->next_bio == NULL)
+ return 0;
+ ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+ }
+ break;
+ case BIO_C_SET_BUFF_SIZE:
+ obs = (int)num;
+ p = ctx->obuf;
+ if ((obs > DEFAULT_LINEBUFFER_SIZE) && (obs != ctx->obuf_size)) {
+ p = OPENSSL_malloc((int)num);
+ if (p == NULL)
+ goto malloc_error;
+ }
+ if (ctx->obuf != p) {
+ if (ctx->obuf_len > obs) {
+ ctx->obuf_len = obs;
+ }
+ memcpy(p, ctx->obuf, ctx->obuf_len);
+ OPENSSL_free(ctx->obuf);
+ ctx->obuf = p;
+ ctx->obuf_size = obs;
+ }
+ break;
+ case BIO_C_DO_STATE_MACHINE:
+ if (b->next_bio == NULL)
+ return 0;
+ BIO_clear_retry_flags(b);
+ ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+ BIO_copy_next_retry(b);
+ break;
+
+ case BIO_CTRL_FLUSH:
+ if (b->next_bio == NULL)
+ return 0;
+ if (ctx->obuf_len <= 0) {
+ ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+ break;
+ }
+
+ for (;;) {
+ BIO_clear_retry_flags(b);
+ if (ctx->obuf_len > 0) {
+ r = BIO_write(b->next_bio, ctx->obuf, ctx->obuf_len);
+ BIO_copy_next_retry(b);
+ if (r <= 0)
+ return (long)r;
+ if (r < ctx->obuf_len)
+ memmove(ctx->obuf, ctx->obuf + r, ctx->obuf_len - r);
+ ctx->obuf_len -= r;
+ } else {
+ ctx->obuf_len = 0;
+ break;
+ }
+ }
+ ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+ break;
+ case BIO_CTRL_DUP:
+ dbio = (BIO *)ptr;
+ if (!BIO_set_write_buffer_size(dbio, ctx->obuf_size))
+ ret = 0;
+ break;
+ default:
+ if (b->next_bio == NULL)
+ return 0;
+ ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
+ break;
+ }
+ return ret;
+ malloc_error:
+ BIOerr(BIO_F_LINEBUFFER_CTRL, ERR_R_MALLOC_FAILURE);
+ return 0;
+}
+
+static long linebuffer_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 linebuffer_gets(BIO *b, char *buf, int size)
+{
+ if (b->next_bio == NULL)
+ return 0;
+ return BIO_gets(b->next_bio, buf, size);
+}
+
+static int linebuffer_puts(BIO *b, const char *str)
+{
+ return linebuffer_write(b, str, strlen(str));
+}