Reformat dtls1.h.
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
Adam Langley
parent
b3774b9619
commit
c39be857a8
@ -55,173 +55,155 @@
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com). */
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#ifndef HEADER_DTLS1_H
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#define HEADER_DTLS1_H
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#ifndef OPENSSL_HEADER_DTLS1_H
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#define OPENSSL_HEADER_DTLS1_H
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#include <openssl/base.h>
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#include <openssl/buf.h>
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#include <openssl/pqueue.h>
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#ifdef __cplusplus
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define DTLS1_VERSION 0xFEFF
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#define DTLS1_2_VERSION 0xFEFD
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#define DTLS1_VERSION 0xFEFF
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#define DTLS1_2_VERSION 0xFEFD
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/* lengths of messages */
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#define DTLS1_COOKIE_LENGTH 256
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#define DTLS1_COOKIE_LENGTH 256
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#define DTLS1_RT_HEADER_LENGTH 13
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#define DTLS1_RT_HEADER_LENGTH 13
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#define DTLS1_HM_HEADER_LENGTH 12
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#define DTLS1_HM_HEADER_LENGTH 12
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#define DTLS1_HM_BAD_FRAGMENT -2
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#define DTLS1_HM_FRAGMENT_RETRY -3
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#define DTLS1_HM_BAD_FRAGMENT -2
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#define DTLS1_HM_FRAGMENT_RETRY -3
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#define DTLS1_CCS_HEADER_LENGTH 1
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#define DTLS1_CCS_HEADER_LENGTH 1
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#define DTLS1_AL_HEADER_LENGTH 2
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#define DTLS1_AL_HEADER_LENGTH 2
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#ifndef OPENSSL_NO_SSL_INTERN
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typedef struct dtls1_bitmap_st {
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/* map is a bit mask of the last 64 sequence numbers. Bit
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* |1<<i| corresponds to |max_seq_num - i|. */
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uint64_t map;
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/* max_seq_num is the largest sequence number seen so far. It
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* is a 64-bit value in big-endian encoding. */
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uint8_t max_seq_num[8];
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} DTLS1_BITMAP;
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struct dtls1_retransmit_state {
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SSL_AEAD_CTX *aead_write_ctx;
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SSL_SESSION *session;
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uint16_t epoch;
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};
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struct hm_header_st {
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uint8_t type;
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unsigned long msg_len;
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uint16_t seq;
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unsigned long frag_off;
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unsigned long frag_len;
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unsigned int is_ccs;
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struct dtls1_retransmit_state saved_retransmit_state;
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};
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struct ccs_header_st {
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uint8_t type;
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uint16_t seq;
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};
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typedef struct record_pqueue_st {
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uint16_t epoch;
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pqueue q;
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} record_pqueue;
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typedef struct hm_fragment_st {
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struct hm_header_st msg_header;
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uint8_t *fragment;
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uint8_t *reassembly;
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} hm_fragment;
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typedef struct dtls1_state_st {
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/* send_cookie is true if we are resending the ClientHello
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* with a cookie from a HelloVerifyRequest. */
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unsigned int send_cookie;
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uint8_t cookie[DTLS1_COOKIE_LENGTH];
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size_t cookie_len;
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/* The current data and handshake epoch. This is initially undefined, and
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* starts at zero once the initial handshake is completed. */
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uint16_t r_epoch;
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uint16_t w_epoch;
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/* records being received in the current epoch */
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DTLS1_BITMAP bitmap;
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/* renegotiation starts a new set of sequence numbers */
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DTLS1_BITMAP next_bitmap;
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/* handshake message numbers */
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uint16_t handshake_write_seq;
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uint16_t next_handshake_write_seq;
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uint16_t handshake_read_seq;
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/* save last sequence number for retransmissions */
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uint8_t last_write_sequence[8];
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/* Received handshake records (processed and unprocessed) */
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record_pqueue unprocessed_rcds;
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record_pqueue processed_rcds;
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/* Buffered handshake messages */
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pqueue buffered_messages;
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/* Buffered (sent) handshake records */
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pqueue sent_messages;
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/* Buffered application records. Only for records between CCS and Finished to
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* prevent either protocol violation or unnecessary message loss. */
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record_pqueue buffered_app_data;
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unsigned int mtu; /* max DTLS packet size */
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struct hm_header_st w_msg_hdr;
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struct hm_header_st r_msg_hdr;
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/* num_timeouts is the number of times the retransmit timer has fired since
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* the last time it was reset. */
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unsigned int num_timeouts;
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/* Indicates when the last handshake msg or heartbeat sent will
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* timeout. Because of header issues on Windows, this cannot actually be a
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* struct timeval. */
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OPENSSL_timeval next_timeout;
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/* Timeout duration */
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unsigned short timeout_duration;
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/* storage for Alert/Handshake protocol data received but not yet processed by
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* ssl3_read_bytes: */
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uint8_t alert_fragment[DTLS1_AL_HEADER_LENGTH];
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unsigned int alert_fragment_len;
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uint8_t handshake_fragment[DTLS1_HM_HEADER_LENGTH];
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unsigned int handshake_fragment_len;
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unsigned int change_cipher_spec_ok;
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} DTLS1_STATE;
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typedef struct dtls1_record_data_st {
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uint8_t *packet;
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unsigned int packet_length;
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SSL3_BUFFER rbuf;
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SSL3_RECORD rrec;
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} DTLS1_RECORD_DATA;
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typedef struct dtls1_bitmap_st
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{
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/* map is a bit mask of the last 64 sequence numbers. Bit
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* |1<<i| corresponds to |max_seq_num - i|. */
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uint64_t map;
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/* max_seq_num is the largest sequence number seen so far. It
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* is a 64-bit value in big-endian encoding. */
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uint8_t max_seq_num[8];
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} DTLS1_BITMAP;
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struct dtls1_retransmit_state
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{
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SSL_AEAD_CTX *aead_write_ctx;
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SSL_SESSION *session;
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unsigned short epoch;
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};
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struct hm_header_st
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{
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unsigned char type;
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unsigned long msg_len;
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unsigned short seq;
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unsigned long frag_off;
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unsigned long frag_len;
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unsigned int is_ccs;
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struct dtls1_retransmit_state saved_retransmit_state;
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};
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struct ccs_header_st
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{
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unsigned char type;
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unsigned short seq;
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};
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typedef struct record_pqueue_st
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{
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unsigned short epoch;
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pqueue q;
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} record_pqueue;
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typedef struct hm_fragment_st
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{
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struct hm_header_st msg_header;
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unsigned char *fragment;
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unsigned char *reassembly;
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} hm_fragment;
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typedef struct dtls1_state_st
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{
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/* send_cookie is true if we are resending the ClientHello
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* with a cookie from a HelloVerifyRequest. */
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unsigned int send_cookie;
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uint8_t cookie[DTLS1_COOKIE_LENGTH];
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size_t cookie_len;
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/*
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* The current data and handshake epoch. This is initially
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* undefined, and starts at zero once the initial handshake is
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* completed
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*/
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unsigned short r_epoch;
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unsigned short w_epoch;
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/* records being received in the current epoch */
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DTLS1_BITMAP bitmap;
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/* renegotiation starts a new set of sequence numbers */
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DTLS1_BITMAP next_bitmap;
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/* handshake message numbers */
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unsigned short handshake_write_seq;
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unsigned short next_handshake_write_seq;
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unsigned short handshake_read_seq;
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/* save last sequence number for retransmissions */
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unsigned char last_write_sequence[8];
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/* Received handshake records (processed and unprocessed) */
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record_pqueue unprocessed_rcds;
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record_pqueue processed_rcds;
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/* Buffered handshake messages */
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pqueue buffered_messages;
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/* Buffered (sent) handshake records */
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pqueue sent_messages;
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/* Buffered application records.
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* Only for records between CCS and Finished
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* to prevent either protocol violation or
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* unnecessary message loss.
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*/
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record_pqueue buffered_app_data;
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unsigned int mtu; /* max DTLS packet size */
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struct hm_header_st w_msg_hdr;
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struct hm_header_st r_msg_hdr;
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/* num_timeouts is the number of times the retransmit timer
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* has fired since the last time it was reset. */
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unsigned int num_timeouts;
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/* Indicates when the last handshake msg or heartbeat sent will
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* timeout. Because of header issues on Windows, this cannot actually
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* be a struct timeval. */
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OPENSSL_timeval next_timeout;
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/* Timeout duration */
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unsigned short timeout_duration;
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/* storage for Alert/Handshake protocol data received but not
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* yet processed by ssl3_read_bytes: */
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unsigned char alert_fragment[DTLS1_AL_HEADER_LENGTH];
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unsigned int alert_fragment_len;
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unsigned char handshake_fragment[DTLS1_HM_HEADER_LENGTH];
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unsigned int handshake_fragment_len;
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unsigned int change_cipher_spec_ok;
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} DTLS1_STATE;
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typedef struct dtls1_record_data_st
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{
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unsigned char *packet;
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unsigned int packet_length;
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SSL3_BUFFER rbuf;
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SSL3_RECORD rrec;
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} DTLS1_RECORD_DATA;
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#endif
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#ifdef __cplusplus
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}
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#endif
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#ifdef __cplusplus
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} /* extern C */
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#endif
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#endif /* OPENSSL_HEADER_DTLS1_H */
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