diff options
Diffstat (limited to 'src/libtls/tls_writer.c')
-rw-r--r-- | src/libtls/tls_writer.c | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/src/libtls/tls_writer.c b/src/libtls/tls_writer.c deleted file mode 100644 index 57c60fdaf..000000000 --- a/src/libtls/tls_writer.c +++ /dev/null @@ -1,237 +0,0 @@ -/* - * Copyright (C) 2010 Martin Willi - * Copyright (C) 2010 revosec AG - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - */ - -#include "tls_writer.h" - -typedef struct private_tls_writer_t private_tls_writer_t; - -/** - * Private data of an tls_writer_t object. - */ -struct private_tls_writer_t { - - /** - * Public tls_writer_t interface. - */ - tls_writer_t public; - - /** - * Allocated buffer - */ - chunk_t buf; - - /** - * Used bytes in buffer - */ - size_t used; - - /** - * Number of bytes to increase buffer size - */ - size_t increase; -}; - -/** - * Increase buffer size - */ -static void increase(private_tls_writer_t *this) -{ - this->buf.len += this->increase; - this->buf.ptr = realloc(this->buf.ptr, this->buf.len); -} - -METHOD(tls_writer_t, write_uint8, void, - private_tls_writer_t *this, u_int8_t value) -{ - if (this->used + 1 > this->buf.len) - { - increase(this); - } - this->buf.ptr[this->used] = value; - this->used += 1; -} - -METHOD(tls_writer_t, write_uint16, void, - private_tls_writer_t *this, u_int16_t value) -{ - if (this->used + 2 > this->buf.len) - { - increase(this); - } - htoun16(this->buf.ptr + this->used, value); - this->used += 2; -} - -METHOD(tls_writer_t, write_uint24, void, - private_tls_writer_t *this, u_int32_t value) -{ - if (this->used + 3 > this->buf.len) - { - increase(this); - } - value = htonl(value); - memcpy(this->buf.ptr + this->used, ((char*)&value) + 1, 3); - this->used += 3; -} - -METHOD(tls_writer_t, write_uint32, void, - private_tls_writer_t *this, u_int32_t value) -{ - if (this->used + 4 > this->buf.len) - { - increase(this); - } - htoun32(this->buf.ptr + this->used, value); - this->used += 4; -} - -METHOD(tls_writer_t, write_data, void, - private_tls_writer_t *this, chunk_t value) -{ - while (this->used + value.len > this->buf.len) - { - increase(this); - } - memcpy(this->buf.ptr + this->used, value.ptr, value.len); - this->used += value.len; -} - -METHOD(tls_writer_t, write_data8, void, - private_tls_writer_t *this, chunk_t value) -{ - write_uint8(this, value.len); - write_data(this, value); -} - -METHOD(tls_writer_t, write_data16, void, - private_tls_writer_t *this, chunk_t value) -{ - write_uint16(this, value.len); - write_data(this, value); -} - -METHOD(tls_writer_t, write_data24, void, - private_tls_writer_t *this, chunk_t value) -{ - write_uint24(this, value.len); - write_data(this, value); -} - -METHOD(tls_writer_t, write_data32, void, - private_tls_writer_t *this, chunk_t value) -{ - write_uint32(this, value.len); - write_data(this, value); -} - -METHOD(tls_writer_t, wrap8, void, - private_tls_writer_t *this) -{ - if (this->used + 1 > this->buf.len) - { - increase(this); - } - memmove(this->buf.ptr + 1, this->buf.ptr, this->used); - this->buf.ptr[0] = this->used; - this->used += 1; -} - -METHOD(tls_writer_t, wrap16, void, - private_tls_writer_t *this) -{ - if (this->used + 2 > this->buf.len) - { - increase(this); - } - memmove(this->buf.ptr + 2, this->buf.ptr, this->used); - htoun16(this->buf.ptr, this->used); - this->used += 2; -} - -METHOD(tls_writer_t, wrap24, void, - private_tls_writer_t *this) -{ - u_int32_t len; - - if (this->used + 3 > this->buf.len) - { - increase(this); - } - memmove(this->buf.ptr + 3, this->buf.ptr, this->used); - - len = htonl(this->used); - memcpy(this->buf.ptr, ((char*)&len) + 1, 3); - this->used += 3; -} - -METHOD(tls_writer_t, wrap32, void, - private_tls_writer_t *this) -{ - if (this->used + 4 > this->buf.len) - { - increase(this); - } - memmove(this->buf.ptr + 4, this->buf.ptr, this->used); - htoun32(this->buf.ptr, this->used); - this->used += 4; -} - -METHOD(tls_writer_t, get_buf, chunk_t, - private_tls_writer_t *this) -{ - return chunk_create(this->buf.ptr, this->used); -} - -METHOD(tls_writer_t, destroy, void, - private_tls_writer_t *this) -{ - free(this->buf.ptr); - free(this); -} - -/** - * See header - */ -tls_writer_t *tls_writer_create(u_int32_t bufsize) -{ - private_tls_writer_t *this; - - INIT(this, - .public = { - .write_uint8 = _write_uint8, - .write_uint16 = _write_uint16, - .write_uint24 = _write_uint24, - .write_uint32 = _write_uint32, - .write_data = _write_data, - .write_data8 = _write_data8, - .write_data16 = _write_data16, - .write_data24 = _write_data24, - .write_data32 = _write_data32, - .wrap8 = _wrap8, - .wrap16 = _wrap16, - .wrap24 = _wrap24, - .wrap32 = _wrap32, - .get_buf = _get_buf, - .destroy = _destroy, - }, - .increase = bufsize ? max(bufsize, 4) : 32, - ); - if (bufsize) - { - this->buf = chunk_alloc(bufsize); - } - - return &this->public; -} |