X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=ssl%2Frecord%2Frecord.h;h=76a2b81f0d74b3eebe9518eecc8e982d1d5612b6;hp=ce60a1508f36c576254be6ff78083d3b5366a559;hb=2087028612027368e9508e1b253aab715a5a35d6;hpb=44efb88a21d464dba3ac5084c8d4553d696fab33 diff --git a/ssl/record/record.h b/ssl/record/record.h index ce60a1508f..76a2b81f0d 100644 --- a/ssl/record/record.h +++ b/ssl/record/record.h @@ -22,9 +22,9 @@ typedef struct ssl3_buffer_st { /* buffer size */ size_t len; /* where to 'copy from' */ - int offset; + size_t offset; /* how many bytes left */ - int left; + size_t left; } SSL3_BUFFER; #define SEQ_NUM_SIZE 8 @@ -33,46 +33,36 @@ typedef struct ssl3_record_st { /* Record layer version */ /* r */ int rec_version; - /* type of record */ /* r */ int type; - /* How many bytes available */ /* rw */ - unsigned int length; - + size_t length; /* * How many bytes were available before padding was removed? This is used * to implement the MAC check in constant time for CBC records. */ /* rw */ - unsigned int orig_len; - + size_t orig_len; /* read/write offset into 'buf' */ /* r */ - unsigned int off; - + size_t off; /* pointer to the record data */ /* rw */ unsigned char *data; - /* where the decode bytes are */ /* rw */ unsigned char *input; - /* only used with decompression - malloc()ed */ /* r */ unsigned char *comp; - /* Whether the data from this record has already been read or not */ /* r */ unsigned int read; - /* epoch number, needed by DTLS1 */ /* r */ unsigned long epoch; - /* sequence number, needed by DTLS1 */ /* r */ unsigned char seq_num[SEQ_NUM_SIZE]; @@ -81,7 +71,6 @@ typedef struct ssl3_record_st { typedef struct dtls1_bitmap_st { /* Track 32 packets on 32-bit systems and 64 - on 64-bit systems */ unsigned long map; - /* Max record number seen so far, 64-bit value in big-endian encoding */ unsigned char max_seq_num[SEQ_NUM_SIZE]; } DTLS1_BITMAP; @@ -93,15 +82,14 @@ typedef struct record_pqueue_st { typedef struct dtls1_record_data_st { unsigned char *packet; - unsigned int packet_length; + size_t packet_length; SSL3_BUFFER rbuf; SSL3_RECORD rrec; -# ifndef OPENSSL_NO_SCTP +#ifndef OPENSSL_NO_SCTP struct bio_dgram_sctp_rcvinfo recordinfo; -# endif +#endif } DTLS1_RECORD_DATA; - typedef struct dtls_record_layer_st { /* * The current data and handshake epoch. This is initially @@ -110,12 +98,10 @@ typedef struct dtls_record_layer_st { */ 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; - /* Received handshake records (processed and unprocessed) */ record_pqueue unprocessed_rcds; record_pqueue processed_rcds; @@ -125,15 +111,6 @@ typedef struct dtls_record_layer_st { * loss. */ record_pqueue buffered_app_data; - /* - * 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; - /* save last and current sequence numbers for retransmissions */ unsigned char last_write_sequence[8]; unsigned char curr_write_sequence[8]; @@ -157,55 +134,41 @@ typedef struct record_layer_st { int read_ahead; /* where we are when reading */ int rstate; - /* How many pipelines can be used to read data */ - unsigned int numrpipes; + size_t numrpipes; /* How many pipelines can be used to write data */ - unsigned int numwpipes; + size_t numwpipes; /* read IO goes into here */ SSL3_BUFFER rbuf; /* write IO goes into here */ SSL3_BUFFER wbuf[SSL_MAX_PIPELINES]; /* each decoded record goes in here */ SSL3_RECORD rrec[SSL_MAX_PIPELINES]; - /* used internally to point at a raw packet */ unsigned char *packet; - unsigned int packet_length; - + size_t packet_length; /* number of bytes sent so far */ - unsigned int wnum; - - /* - * storage for Alert/Handshake protocol data received but not yet - * processed by ssl3_read_bytes: - */ - unsigned char alert_fragment[2]; - unsigned int alert_fragment_len; + size_t wnum; unsigned char handshake_fragment[4]; - unsigned int handshake_fragment_len; - + size_t handshake_fragment_len; /* The number of consecutive empty records we have received */ - unsigned int empty_record_count; - + size_t empty_record_count; /* partial write - check the numbers match */ /* number bytes written */ - int wpend_tot; + size_t wpend_tot; int wpend_type; /* number of bytes submitted */ - int wpend_ret; + size_t wpend_ret; const unsigned char *wpend_buf; - unsigned char read_sequence[SEQ_NUM_SIZE]; unsigned char write_sequence[SEQ_NUM_SIZE]; - /* Set to true if this is the first record in a connection */ unsigned int is_first_record; - + /* Count of the number of consecutive warning alerts received */ + unsigned int alert_count; DTLS_RECORD_LAYER *d; } RECORD_LAYER; - /***************************************************************************** * * * The following macros/functions represent the libssl internal API to the * @@ -225,42 +188,49 @@ typedef struct record_layer_st { ((rl)->d->processed_rcds) #define DTLS_RECORD_LAYER_get_unprocessed_rcds(rl) \ ((rl)->d->unprocessed_rcds) +#define RECORD_LAYER_get_rbuf(rl) (&(rl)->rbuf) +#define RECORD_LAYER_get_wbuf(rl) ((rl)->wbuf) void RECORD_LAYER_init(RECORD_LAYER *rl, SSL *s); void RECORD_LAYER_clear(RECORD_LAYER *rl); void RECORD_LAYER_release(RECORD_LAYER *rl); int RECORD_LAYER_read_pending(const RECORD_LAYER *rl); +int RECORD_LAYER_processed_read_pending(const RECORD_LAYER *rl); int RECORD_LAYER_write_pending(const RECORD_LAYER *rl); -int RECORD_LAYER_set_data(RECORD_LAYER *rl, const unsigned char *buf, int len); void RECORD_LAYER_reset_read_sequence(RECORD_LAYER *rl); void RECORD_LAYER_reset_write_sequence(RECORD_LAYER *rl); int RECORD_LAYER_is_sslv2_record(RECORD_LAYER *rl); -unsigned int RECORD_LAYER_get_rrec_length(RECORD_LAYER *rl); -__owur int ssl3_pending(const SSL *s); -__owur int ssl3_write_bytes(SSL *s, int type, const void *buf, int len); -__owur int do_ssl3_write(SSL *s, int type, const unsigned char *buf, - unsigned int *pipelens, unsigned int numpipes, - int create_empty_fragment); +size_t RECORD_LAYER_get_rrec_length(RECORD_LAYER *rl); +__owur size_t ssl3_pending(const SSL *s); +__owur int ssl3_write_bytes(SSL *s, int type, const void *buf, size_t len, + size_t *written); +int do_ssl3_write(SSL *s, int type, const unsigned char *buf, + size_t *pipelens, size_t numpipes, + int create_empty_fragment, size_t *written); __owur int ssl3_read_bytes(SSL *s, int type, int *recvd_type, - unsigned char *buf, int len, int peek); + unsigned char *buf, size_t len, int peek, + size_t *readbytes); __owur int ssl3_setup_buffers(SSL *s); -__owur int ssl3_enc(SSL *s, SSL3_RECORD *inrecs, unsigned int n_recs, int send); +__owur int ssl3_enc(SSL *s, SSL3_RECORD *inrecs, size_t n_recs, int send); __owur int n_ssl3_mac(SSL *ssl, SSL3_RECORD *rec, unsigned char *md, int send); -__owur int ssl3_write_pending(SSL *s, int type, const unsigned char *buf, - unsigned int len); -__owur int tls1_enc(SSL *s, SSL3_RECORD *recs, unsigned int n_recs, int send); +__owur int ssl3_write_pending(SSL *s, int type, const unsigned char *buf, size_t len, + size_t *written); +__owur int tls1_enc(SSL *s, SSL3_RECORD *recs, size_t n_recs, int send); __owur int tls1_mac(SSL *ssl, SSL3_RECORD *rec, unsigned char *md, int send); +__owur int tls13_enc(SSL *s, SSL3_RECORD *recs, size_t n_recs, int send); int DTLS_RECORD_LAYER_new(RECORD_LAYER *rl); void DTLS_RECORD_LAYER_free(RECORD_LAYER *rl); void DTLS_RECORD_LAYER_clear(RECORD_LAYER *rl); void DTLS_RECORD_LAYER_set_saved_w_epoch(RECORD_LAYER *rl, unsigned short e); void DTLS_RECORD_LAYER_clear(RECORD_LAYER *rl); -void DTLS_RECORD_LAYER_resync_write(RECORD_LAYER *rl); void DTLS_RECORD_LAYER_set_write_sequence(RECORD_LAYER *rl, unsigned char *seq); __owur int dtls1_read_bytes(SSL *s, int type, int *recvd_type, - unsigned char *buf, int len, int peek); -__owur int dtls1_write_bytes(SSL *s, int type, const void *buf, int len); -__owur int do_dtls1_write(SSL *s, int type, const unsigned char *buf, - unsigned int len, int create_empty_fragement); + unsigned char *buf, size_t len, int peek, + size_t *readbytes); +__owur int dtls1_write_bytes(SSL *s, int type, const void *buf, size_t len, + size_t *written); +int do_dtls1_write(SSL *s, int type, const unsigned char *buf, + size_t len, int create_empty_fragment, size_t *written); void dtls1_reset_seq_numbers(SSL *s, int rw); - +int dtls_buffer_listen_record(SSL *s, size_t len, unsigned char *seq, + size_t off);