Rename tls13_buffer to tls_buffer.

This code will soon be used in the DTLSv1.2 and TLSv1.2 stack. Also
introduce tls_internal.h and move/rename the read/write/flush callbacks.

ok beck@ tb@

1 files changed, 0 insertions, 135 deletions

diff --git a/src/lib/libssl/tls13_buffer.c b/src/lib/libssl/tls13_buffer.c
deleted file mode 100644
index b46ac65ecf..0000000000
--- a/src/lib/libssl/tls13_buffer.c
+++ /dev/null
@@ -1,135 +0,0 @@
-/* $OpenBSD: tls13_buffer.c,v 1.5 2021/05/16 14:19:04 jsing Exp $ */
-/*
- * Copyright (c) 2018, 2019 Joel Sing <jsing@openbsd.org>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include "bytestring.h"
-#include "tls13_internal.h"
-
-struct tls13_buffer {
-        size_t capacity;
-        uint8_t *data;
-        size_t len;
-        size_t offset;
-};
-
-static int tls13_buffer_resize(struct tls13_buffer *buf, size_t capacity);
-
-struct tls13_buffer *
-tls13_buffer_new(size_t init_size)
-{
-        struct tls13_buffer *buf = NULL;
-
-        if ((buf = calloc(1, sizeof(struct tls13_buffer))) == NULL)
-                goto err;
-
-        if (!tls13_buffer_resize(buf, init_size))
-                goto err;
-
-        return buf;
-
- err:
-        tls13_buffer_free(buf);
-
-        return NULL;
-}
-
-void
-tls13_buffer_free(struct tls13_buffer *buf)
-{
-        if (buf == NULL)
-                return;
-
-        freezero(buf->data, buf->capacity);
-        freezero(buf, sizeof(struct tls13_buffer));
-}
-
-static int
-tls13_buffer_resize(struct tls13_buffer *buf, size_t capacity)
-{
-        uint8_t *data;
-
-        if (buf->capacity == capacity)
-                return 1;
-
-        if ((data = recallocarray(buf->data, buf->capacity, capacity, 1)) == NULL)
-                return 0;
-
-        buf->data = data;
-        buf->capacity = capacity;
-
-        return 1;
-}
-
-int
-tls13_buffer_set_data(struct tls13_buffer *buf, CBS *data)
-{
-        if (!tls13_buffer_resize(buf, CBS_len(data)))
-                return 0;
-        memcpy(buf->data, CBS_data(data), CBS_len(data));
-        return 1;
-}
-
-ssize_t
-tls13_buffer_extend(struct tls13_buffer *buf, size_t len,
-    tls13_read_cb read_cb, void *cb_arg)
-{
-        ssize_t ret;
-
-        if (len == buf->len)
-                return buf->len;
-
-        if (len < buf->len)
-                return TLS13_IO_FAILURE;
-
-        if (!tls13_buffer_resize(buf, len))
-                return TLS13_IO_FAILURE;
-
-        for (;;) {
-                if ((ret = read_cb(&buf->data[buf->len],
-                    buf->capacity - buf->len, cb_arg)) <= 0)
-                        return ret;
-
-                if (ret > buf->capacity - buf->len)
-                        return TLS13_IO_FAILURE;
-
-                buf->len += ret;
-
-                if (buf->len == buf->capacity)
-                        return buf->len;
-        }
-}
-
-void
-tls13_buffer_cbs(struct tls13_buffer *buf, CBS *cbs)
-{
-        CBS_init(cbs, buf->data, buf->len);
-}
-
-int
-tls13_buffer_finish(struct tls13_buffer *buf, uint8_t **out, size_t *out_len)
-{
-        if (out == NULL || out_len == NULL)
-                return 0;
-
-        *out = buf->data;
-        *out_len = buf->len;
-
-        buf->capacity = 0;
-        buf->data = NULL;
-        buf->len = 0;
-
-        return 1;
-}