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Reformat dtls1.h.

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Change-Id: If035f44febec2a2717c3aba03f6d05ae290d247b
Reviewed-on: https://boringssl-review.googlesource.com/3217
Reviewed-by: Adam Langley <agl@google.com>
This commit is contained in:
David Benjamin 2015-01-31 18:20:32 -05:00 committed by Adam Langley
parent b3774b9619
commit c39be857a8
1 changed files with 134 additions and 152 deletions
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286
include/openssl/dtls1.h
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@ -1,7 +1,7 @@
/* ssl/dtls1.h */ /* ssl/dtls1.h */
/* /*
* DTLS implementation written by Nagendra Modadugu * DTLS implementation written by Nagendra Modadugu
* (nagendra@cs.stanford.edu) for the OpenSSL project 2005. * (nagendra@cs.stanford.edu) for the OpenSSL project 2005.
*/ */
/* ==================================================================== /* ====================================================================
* Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved. * Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved.
@ -11,7 +11,7 @@
* are met: * are met:
* *
* 1. Redistributions of source code must retain the above copyright * 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer. * notice, this list of conditions and the following disclaimer.
* *
* 2. Redistributions in binary form must reproduce the above copyright * 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in * notice, this list of conditions and the following disclaimer in
@ -55,173 +55,155 @@
* (eay@cryptsoft.com). This product includes software written by Tim * (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com). */ * Hudson (tjh@cryptsoft.com). */
#ifndef HEADER_DTLS1_H #ifndef OPENSSL_HEADER_DTLS1_H
#define HEADER_DTLS1_H #define OPENSSL_HEADER_DTLS1_H
#include <openssl/base.h> #include <openssl/base.h>
#include <openssl/buf.h> #include <openssl/buf.h>
#include <openssl/pqueue.h> #include <openssl/pqueue.h>
#ifdef __cplusplus #ifdef __cplusplus
extern "C" { extern "C" {
#endif #endif
#define DTLS1_VERSION 0xFEFF #define DTLS1_VERSION 0xFEFF
#define DTLS1_2_VERSION 0xFEFD #define DTLS1_2_VERSION 0xFEFD
/* lengths of messages */ /* lengths of messages */
#define DTLS1_COOKIE_LENGTH 256 #define DTLS1_COOKIE_LENGTH 256
#define DTLS1_RT_HEADER_LENGTH 13 #define DTLS1_RT_HEADER_LENGTH 13
#define DTLS1_HM_HEADER_LENGTH 12 #define DTLS1_HM_HEADER_LENGTH 12
#define DTLS1_HM_BAD_FRAGMENT -2 #define DTLS1_HM_BAD_FRAGMENT -2
#define DTLS1_HM_FRAGMENT_RETRY -3 #define DTLS1_HM_FRAGMENT_RETRY -3
#define DTLS1_CCS_HEADER_LENGTH 1 #define DTLS1_CCS_HEADER_LENGTH 1
#define DTLS1_AL_HEADER_LENGTH 2 #define DTLS1_AL_HEADER_LENGTH 2
#ifndef OPENSSL_NO_SSL_INTERN typedef struct dtls1_bitmap_st {
/* map is a bit mask of the last 64 sequence numbers. Bit
* |1<<i| corresponds to |max_seq_num - i|. */
uint64_t map;
/* max_seq_num is the largest sequence number seen so far. It
* is a 64-bit value in big-endian encoding. */
uint8_t max_seq_num[8];
} DTLS1_BITMAP;
struct dtls1_retransmit_state {
SSL_AEAD_CTX *aead_write_ctx;
SSL_SESSION *session;
uint16_t epoch;
};
struct hm_header_st {
uint8_t type;
unsigned long msg_len;
uint16_t seq;
unsigned long frag_off;
unsigned long frag_len;
unsigned int is_ccs;
struct dtls1_retransmit_state saved_retransmit_state;
};
struct ccs_header_st {
uint8_t type;
uint16_t seq;
};
typedef struct record_pqueue_st {
uint16_t epoch;
pqueue q;
} record_pqueue;
typedef struct hm_fragment_st {
struct hm_header_st msg_header;
uint8_t *fragment;
uint8_t *reassembly;
} hm_fragment;
typedef struct dtls1_state_st {
/* send_cookie is true if we are resending the ClientHello
* with a cookie from a HelloVerifyRequest. */
unsigned int send_cookie;
uint8_t cookie[DTLS1_COOKIE_LENGTH];
size_t cookie_len;
/* The current data and handshake epoch. This is initially undefined, and
* starts at zero once the initial handshake is completed. */
uint16_t r_epoch;
uint16_t w_epoch;
/* records being received in the current epoch */
DTLS1_BITMAP bitmap;
/* renegotiation starts a new set of sequence numbers */
DTLS1_BITMAP next_bitmap;
/* handshake message numbers */
uint16_t handshake_write_seq;
uint16_t next_handshake_write_seq;
uint16_t handshake_read_seq;
/* save last sequence number for retransmissions */
uint8_t last_write_sequence[8];
/* Received handshake records (processed and unprocessed) */
record_pqueue unprocessed_rcds;
record_pqueue processed_rcds;
/* Buffered handshake messages */
pqueue buffered_messages;
/* Buffered (sent) handshake records */
pqueue sent_messages;
/* Buffered application records. Only for records between CCS and Finished to
* prevent either protocol violation or unnecessary message loss. */
record_pqueue buffered_app_data;
unsigned int mtu; /* max DTLS packet size */
struct hm_header_st w_msg_hdr;
struct hm_header_st r_msg_hdr;
/* num_timeouts is the number of times the retransmit timer has fired since
* the last time it was reset. */
unsigned int num_timeouts;
/* Indicates when the last handshake msg or heartbeat sent will
* timeout. Because of header issues on Windows, this cannot actually be a
* struct timeval. */
OPENSSL_timeval next_timeout;
/* Timeout duration */
unsigned short timeout_duration;
/* storage for Alert/Handshake protocol data received but not yet processed by
* ssl3_read_bytes: */
uint8_t alert_fragment[DTLS1_AL_HEADER_LENGTH];
unsigned int alert_fragment_len;
uint8_t handshake_fragment[DTLS1_HM_HEADER_LENGTH];
unsigned int handshake_fragment_len;
unsigned int change_cipher_spec_ok;
} DTLS1_STATE;
typedef struct dtls1_record_data_st {
uint8_t *packet;
unsigned int packet_length;
SSL3_BUFFER rbuf;
SSL3_RECORD rrec;
} DTLS1_RECORD_DATA;
typedef struct dtls1_bitmap_st #ifdef __cplusplus
{ } /* extern C */
/* map is a bit mask of the last 64 sequence numbers. Bit
* |1<<i| corresponds to |max_seq_num - i|. */
uint64_t map;
/* max_seq_num is the largest sequence number seen so far. It
* is a 64-bit value in big-endian encoding. */
uint8_t max_seq_num[8];
} DTLS1_BITMAP;
struct dtls1_retransmit_state
{
SSL_AEAD_CTX *aead_write_ctx;
SSL_SESSION *session;
unsigned short epoch;
};
struct hm_header_st
{
unsigned char type;
unsigned long msg_len;
unsigned short seq;
unsigned long frag_off;
unsigned long frag_len;
unsigned int is_ccs;
struct dtls1_retransmit_state saved_retransmit_state;
};
struct ccs_header_st
{
unsigned char type;
unsigned short seq;
};
typedef struct record_pqueue_st
{
unsigned short epoch;
pqueue q;
} record_pqueue;
typedef struct hm_fragment_st
{
struct hm_header_st msg_header;
unsigned char *fragment;
unsigned char *reassembly;
} hm_fragment;
typedef struct dtls1_state_st
{
/* send_cookie is true if we are resending the ClientHello
* with a cookie from a HelloVerifyRequest. */
unsigned int send_cookie;
uint8_t cookie[DTLS1_COOKIE_LENGTH];
size_t cookie_len;
/*
* The current data and handshake epoch. This is initially
* undefined, and starts at zero once the initial handshake is
* completed
*/
unsigned short r_epoch;
unsigned short w_epoch;
/* records being received in the current epoch */
DTLS1_BITMAP bitmap;
/* renegotiation starts a new set of sequence numbers */
DTLS1_BITMAP next_bitmap;
/* handshake message numbers */
unsigned short handshake_write_seq;
unsigned short next_handshake_write_seq;
unsigned short handshake_read_seq;
/* save last sequence number for retransmissions */
unsigned char last_write_sequence[8];
/* Received handshake records (processed and unprocessed) */
record_pqueue unprocessed_rcds;
record_pqueue processed_rcds;
/* Buffered handshake messages */
pqueue buffered_messages;
/* Buffered (sent) handshake records */
pqueue sent_messages;
/* Buffered application records.
* Only for records between CCS and Finished
* to prevent either protocol violation or
* unnecessary message loss.
*/
record_pqueue buffered_app_data;
unsigned int mtu; /* max DTLS packet size */
struct hm_header_st w_msg_hdr;
struct hm_header_st r_msg_hdr;
/* num_timeouts is the number of times the retransmit timer
* has fired since the last time it was reset. */
unsigned int num_timeouts;
/* Indicates when the last handshake msg or heartbeat sent will
* timeout. Because of header issues on Windows, this cannot actually
* be a struct timeval. */
OPENSSL_timeval next_timeout;
/* Timeout duration */
unsigned short timeout_duration;
/* storage for Alert/Handshake protocol data received but not
* yet processed by ssl3_read_bytes: */
unsigned char alert_fragment[DTLS1_AL_HEADER_LENGTH];
unsigned int alert_fragment_len;
unsigned char handshake_fragment[DTLS1_HM_HEADER_LENGTH];
unsigned int handshake_fragment_len;
unsigned int change_cipher_spec_ok;
} DTLS1_STATE;
typedef struct dtls1_record_data_st
{
unsigned char *packet;
unsigned int packet_length;
SSL3_BUFFER rbuf;
SSL3_RECORD rrec;
} DTLS1_RECORD_DATA;
#endif
#ifdef __cplusplus
}
#endif
#endif #endif
#endif /* OPENSSL_HEADER_DTLS1_H */