diff options
Diffstat (limited to 'src/libtls')
-rw-r--r-- | src/libtls/tls_reader.c | 200 | ||||
-rw-r--r-- | src/libtls/tls_reader.h | 131 | ||||
-rw-r--r-- | src/libtls/tls_writer.c | 237 | ||||
-rw-r--r-- | src/libtls/tls_writer.h | 136 |
4 files changed, 0 insertions, 704 deletions
diff --git a/src/libtls/tls_reader.c b/src/libtls/tls_reader.c deleted file mode 100644 index 2b3cd8cac..000000000 --- a/src/libtls/tls_reader.c +++ /dev/null @@ -1,200 +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_reader.h" - -#include <debug.h> - -typedef struct private_tls_reader_t private_tls_reader_t; - -/** - * Private data of an tls_reader_t object. - */ -struct private_tls_reader_t { - - /** - * Public tls_reader_t interface. - */ - tls_reader_t public; - - /** - * Remaining data to process - */ - chunk_t buf; -}; - -METHOD(tls_reader_t, remaining, u_int32_t, - private_tls_reader_t *this) -{ - return this->buf.len; -} - -METHOD(tls_reader_t, peek, chunk_t, - private_tls_reader_t *this) -{ - return this->buf; -} - -METHOD(tls_reader_t, read_uint8, bool, - private_tls_reader_t *this, u_int8_t *res) -{ - if (this->buf.len < 1) - { - DBG1(DBG_TLS, "%d bytes insufficient to parse u_int8 data", - this->buf.len); - return FALSE; - } - *res = this->buf.ptr[0]; - this->buf = chunk_skip(this->buf, 1); - return TRUE; -} - -METHOD(tls_reader_t, read_uint16, bool, - private_tls_reader_t *this, u_int16_t *res) -{ - if (this->buf.len < 2) - { - DBG1(DBG_TLS, "%d bytes insufficient to parse u_int16 data", - this->buf.len); - return FALSE; - } - *res = untoh16(this->buf.ptr); - this->buf = chunk_skip(this->buf, 2); - return TRUE; -} - -METHOD(tls_reader_t, read_uint24, bool, - private_tls_reader_t *this, u_int32_t *res) -{ - if (this->buf.len < 3) - { - DBG1(DBG_TLS, "%d bytes insufficient to parse u_int24 data", - this->buf.len); - return FALSE; - } - *res = untoh32(this->buf.ptr) >> 8; - this->buf = chunk_skip(this->buf, 3); - return TRUE; -} - -METHOD(tls_reader_t, read_uint32, bool, - private_tls_reader_t *this, u_int32_t *res) -{ - if (this->buf.len < 4) - { - DBG1(DBG_TLS, "%d bytes insufficient to parse u_int32 data", - this->buf.len); - return FALSE; - } - *res = untoh32(this->buf.ptr); - this->buf = chunk_skip(this->buf, 4); - return TRUE; -} - -METHOD(tls_reader_t, read_data, bool, - private_tls_reader_t *this, u_int32_t len, chunk_t *res) -{ - if (this->buf.len < len) - { - DBG1(DBG_TLS, "%d bytes insufficient to parse %d bytes of data", - this->buf.len, len); - return FALSE; - } - *res = chunk_create(this->buf.ptr, len); - this->buf = chunk_skip(this->buf, len); - return TRUE; -} - -METHOD(tls_reader_t, read_data8, bool, - private_tls_reader_t *this, chunk_t *res) -{ - u_int8_t len; - - if (!read_uint8(this, &len)) - { - return FALSE; - } - return read_data(this, len, res); -} - -METHOD(tls_reader_t, read_data16, bool, - private_tls_reader_t *this, chunk_t *res) -{ - u_int16_t len; - - if (!read_uint16(this, &len)) - { - return FALSE; - } - return read_data(this, len, res); -} - -METHOD(tls_reader_t, read_data24, bool, - private_tls_reader_t *this, chunk_t *res) -{ - u_int32_t len; - - if (!read_uint24(this, &len)) - { - return FALSE; - } - return read_data(this, len, res); -} - -METHOD(tls_reader_t, read_data32, bool, - private_tls_reader_t *this, chunk_t *res) -{ - u_int32_t len; - - if (!read_uint32(this, &len)) - { - return FALSE; - } - return read_data(this, len, res); -} - -METHOD(tls_reader_t, destroy, void, - private_tls_reader_t *this) -{ - free(this); -} - -/** - * See header - */ -tls_reader_t *tls_reader_create(chunk_t data) -{ - private_tls_reader_t *this; - - INIT(this, - .public = { - .remaining = _remaining, - .peek = _peek, - .read_uint8 = _read_uint8, - .read_uint16 = _read_uint16, - .read_uint24 = _read_uint24, - .read_uint32 = _read_uint32, - .read_data = _read_data, - .read_data8 = _read_data8, - .read_data16 = _read_data16, - .read_data24 = _read_data24, - .read_data32 = _read_data32, - .destroy = _destroy, - }, - .buf = data, - ); - - return &this->public; -} diff --git a/src/libtls/tls_reader.h b/src/libtls/tls_reader.h deleted file mode 100644 index a8978b486..000000000 --- a/src/libtls/tls_reader.h +++ /dev/null @@ -1,131 +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. - */ - -/** - * @defgroup tls_reader tls_reader - * @{ @ingroup libtls - */ - -#ifndef TLS_READER_H_ -#define TLS_READER_H_ - -typedef struct tls_reader_t tls_reader_t; - -#include <library.h> - -/** - * TLS record parser. - */ -struct tls_reader_t { - - /** - * Get the number of remaining bytes. - * - * @return number of remaining bytes in buffer - */ - u_int32_t (*remaining)(tls_reader_t *this); - - /** - * Peek the remaining data, not consuming any bytes. - * - * @return remaining data - */ - chunk_t (*peek)(tls_reader_t *this); - - /** - * Read a 8-bit integer from the buffer, advance. - * - * @param res pointer to result - * @return TRUE if integer read successfully - */ - bool (*read_uint8)(tls_reader_t *this, u_int8_t *res); - - /** - * Read a 16-bit integer from the buffer, advance. - * - * @param res pointer to result - * @return TRUE if integer read successfully - */ - bool (*read_uint16)(tls_reader_t *this, u_int16_t *res); - - /** - * Read a 24-bit integer from the buffer, advance. - * - * @param res pointer to result - * @return TRUE if integer read successfully - */ - bool (*read_uint24)(tls_reader_t *this, u_int32_t *res); - - /** - * Read a 32-bit integer from the buffer, advance. - * - * @param res pointer to result - * @return TRUE if integer read successfully - */ - bool (*read_uint32)(tls_reader_t *this, u_int32_t *res); - - /** - * Read a chunk of len bytes, advance. - * - * @param len number of bytes to read - * @param res pointer to result, not cloned - * @return TRUE if data read successfully - */ - bool (*read_data)(tls_reader_t *this, u_int32_t len, chunk_t *res); - - /** - * Read a chunk of bytes with a 8-bit length header, advance. - * - * @param res pointer to result, not cloned - * @return TRUE if data read successfully - */ - bool (*read_data8)(tls_reader_t *this, chunk_t *res); - - /** - * Read a chunk of bytes with a 16-bit length header, advance. - * - * @param res pointer to result, not cloned - * @return TRUE if data read successfully - */ - bool (*read_data16)(tls_reader_t *this, chunk_t *res); - - /** - * Read a chunk of bytes with a 24-bit length header, advance. - * - * @param res pointer to result, not cloned - * @return TRUE if data read successfully - */ - bool (*read_data24)(tls_reader_t *this, chunk_t *res); - - /** - * Read a chunk of bytes with a 32-bit length header, advance. - * - * @param res pointer to result, not cloned - * @return TRUE if data read successfully - */ - bool (*read_data32)(tls_reader_t *this, chunk_t *res); - - /** - * Destroy a tls_reader_t. - */ - void (*destroy)(tls_reader_t *this); -}; - -/** - * Create a tls_reader instance. - */ -tls_reader_t *tls_reader_create(chunk_t data); - -#endif /** tls_reader_H_ @}*/ 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; -} diff --git a/src/libtls/tls_writer.h b/src/libtls/tls_writer.h deleted file mode 100644 index d3f09d5da..000000000 --- a/src/libtls/tls_writer.h +++ /dev/null @@ -1,136 +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. - */ - -/** - * @defgroup tls_writer tls_writer - * @{ @ingroup libtls - */ - -#ifndef TLS_WRITER_H_ -#define TLS_WRITER_H_ - -typedef struct tls_writer_t tls_writer_t; - -#include <library.h> - -/** - * TLS record generator. - */ -struct tls_writer_t { - - /** - * Append a 8-bit integer to the buffer. - * - * @param value value to append - */ - void (*write_uint8)(tls_writer_t *this, u_int8_t value); - - /** - * Append a 16-bit integer to the buffer. - * - * @param value value to append - */ - void (*write_uint16)(tls_writer_t *this, u_int16_t value); - - /** - * Append a 24-bit integer to the buffer. - * - * @param value value to append - */ - void (*write_uint24)(tls_writer_t *this, u_int32_t value); - - /** - * Append a 32-bit integer to the buffer. - * - * @param value value to append - */ - void (*write_uint32)(tls_writer_t *this, u_int32_t value); - - /** - * Append a chunk of data without a length header. - * - * @param value value to append - */ - void (*write_data)(tls_writer_t *this, chunk_t value); - - /** - * Append a chunk of data with a 8-bit length header. - * - * @param value value to append - */ - void (*write_data8)(tls_writer_t *this, chunk_t value); - - /** - * Append a chunk of data with a 16-bit length header. - * - * @param value value to append - */ - void (*write_data16)(tls_writer_t *this, chunk_t value); - - /** - * Append a chunk of data with a 24-bit length header. - * - * @param value value to append - */ - void (*write_data24)(tls_writer_t *this, chunk_t value); - - /** - * Append a chunk of data with a 32-bit length header. - * - * @param value value to append - */ - void (*write_data32)(tls_writer_t *this, chunk_t value); - - /** - * Prepend a 8-bit length header to existing data. - */ - void (*wrap8)(tls_writer_t *this); - - /** - * Prepend a 16-bit length header to existing data. - */ - void (*wrap16)(tls_writer_t *this); - - /** - * Prepend a 24-bit length header to existing data. - */ - void (*wrap24)(tls_writer_t *this); - - /** - * Prepend a 32-bit length header to existing data. - */ - void (*wrap32)(tls_writer_t *this); - - /** - * Get the encoded data buffer. - * - * @return chunk to internal buffer - */ - chunk_t (*get_buf)(tls_writer_t *this); - - /** - * Destroy a tls_writer_t. - */ - void (*destroy)(tls_writer_t *this); -}; - -/** - * Create a tls_writer instance. - * - * @param bufsize initially allocated buffer size - */ -tls_writer_t *tls_writer_create(u_int32_t bufsize); - -#endif /** TLS_WRITER_H_ @}*/ |