X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=ssl%2Frecord%2Frec_layer.h;fp=ssl%2Frecord%2Frec_layer.h;h=0000000000000000000000000000000000000000;hp=05e55840c31550423c1b198b9b19a17e0b0d6351;hb=c99c4c11a202ed71d4c232075668a876f352d71a;hpb=44cc35d38278da82d8be7ec3799d2f6565c2dfe5 diff --git a/ssl/record/rec_layer.h b/ssl/record/rec_layer.h deleted file mode 100644 index 05e55840c3..0000000000 --- a/ssl/record/rec_layer.h +++ /dev/null @@ -1,344 +0,0 @@ -/* ssl/record/rec_layer.h */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * All rights reserved. - * - * This package is an SSL implementation written - * by Eric Young (eay@cryptsoft.com). - * The implementation was written so as to conform with Netscapes SSL. - * - * This library is free for commercial and non-commercial use as long as - * the following conditions are aheared to. The following conditions - * apply to all code found in this distribution, be it the RC4, RSA, - * lhash, DES, etc., code; not just the SSL code. The SSL documentation - * included with this distribution is covered by the same copyright terms - * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * - * Copyright remains Eric Young's, and as such any Copyright notices in - * the code are not to be removed. - * If this package is used in a product, Eric Young should be given attribution - * as the author of the parts of the library used. - * This can be in the form of a textual message at program startup or - * in documentation (online or textual) provided with the package. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * "This product includes cryptographic software written by - * Eric Young (eay@cryptsoft.com)" - * The word 'cryptographic' can be left out if the rouines from the library - * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from - * the apps directory (application code) you must include an acknowledgement: - * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * - * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * The licence and distribution terms for any publically available version or - * derivative of this code cannot be changed. i.e. this code cannot simply be - * copied and put under another distribution licence - * [including the GNU Public Licence.] - */ -/* ==================================================================== - * Copyright (c) 1998-2015 The OpenSSL Project. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * 3. All advertising materials mentioning features or use of this - * software must display the following acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * openssl-core@openssl.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.openssl.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED - * OF THE POSSIBILITY OF SUCH DAMAGE. - * ==================================================================== - * - * This product includes cryptographic software written by Eric Young - * (eay@cryptsoft.com). This product includes software written by Tim - * Hudson (tjh@cryptsoft.com). - * - */ - -/***************************************************************************** - * * - * These structures should be considered PRIVATE to the record layer. No * - * non-record layer code should be using these structures in any way. * - * * - *****************************************************************************/ - -typedef struct ssl3_buffer_st { - /* at least SSL3_RT_MAX_PACKET_SIZE bytes, see ssl3_setup_buffers() */ - unsigned char *buf; - /* buffer size */ - size_t len; - /* where to 'copy from' */ - int offset; - /* how many bytes left */ - int left; -} SSL3_BUFFER; - -typedef struct ssl3_record_st { - /* type of record */ - /* - * r - */ int type; - /* How many bytes available */ - /* - * rw - */ unsigned int 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; - /* read/write offset into 'buf' */ - /* - * r - */ unsigned int 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; - /* epoch number, needed by DTLS1 */ - /* - * r - */ unsigned long epoch; - /* sequence number, needed by DTLS1 */ - /* - * r - */ unsigned char seq_num[8]; -} SSL3_RECORD; - -typedef struct dtls1_bitmap_st { - unsigned long map; /* track 32 packets on 32-bit systems and 64 - * - on 64-bit systems */ - - unsigned char max_seq_num[8]; /* max record number seen so far, 64-bit - * value in big-endian encoding */ -} DTLS1_BITMAP; - -typedef struct record_pqueue_st { - unsigned short epoch; - pqueue q; -} record_pqueue; - -typedef struct dtls1_record_data_st { - unsigned char *packet; - unsigned int packet_length; - SSL3_BUFFER rbuf; - SSL3_RECORD rrec; -# ifndef OPENSSL_NO_SCTP - struct bio_dgram_sctp_rcvinfo recordinfo; -# endif -} DTLS1_RECORD_DATA; - - -typedef struct dtls_record_layer_st { - /* - * 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; - - /* Received handshake records (processed and unprocessed) */ - record_pqueue unprocessed_rcds; - record_pqueue processed_rcds; - /* - * Buffered application records. Only for records between CCS and - * Finished to prevent either protocol violation or unnecessary message - * 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]; -} DTLS_RECORD_LAYER; - -/***************************************************************************** - * * - * This structure should be considered "opaque" to anything outside of the * - * record layer. No non-record layer code should be accessing the members of * - * this structure. * - * * - *****************************************************************************/ - -typedef struct record_layer_st { - /* The parent SSL structure */ - SSL *s; - /* - * Read as many input bytes as possible (for - * non-blocking reads) - */ - int read_ahead; - /* where we are when reading */ - int rstate; - /* read IO goes into here */ - SSL3_BUFFER rbuf; - /* write IO goes into here */ - SSL3_BUFFER wbuf; - /* each decoded record goes in here */ - SSL3_RECORD rrec; - /* goes out from here */ - SSL3_RECORD wrec; - - /* used internally to point at a raw packet */ - unsigned char *packet; - unsigned int 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; - unsigned char handshake_fragment[4]; - unsigned int handshake_fragment_len; - - /* partial write - check the numbers match */ - /* number bytes written */ - int wpend_tot; - int wpend_type; - /* number of bytes submitted */ - int wpend_ret; - const unsigned char *wpend_buf; - - unsigned char read_sequence[8]; - unsigned char write_sequence[8]; - - DTLS_RECORD_LAYER *d; -} RECORD_LAYER; - - -/***************************************************************************** - * * - * The following macros/functions represent the libssl internal API to the * - * record layer. Any libssl code may call these functions/macros * - * * - *****************************************************************************/ - -#define RECORD_LAYER_set_read_ahead(rl, ra) ((rl)->read_ahead = (ra)) -#define RECORD_LAYER_get_read_ahead(rl) ((rl)->read_ahead) -#define RECORD_LAYER_get_packet(rl) ((rl)->packet) -#define RECORD_LAYER_get_packet_length(rl) ((rl)->packet_length) -#define RECORD_LAYER_add_packet_length(rl, inc) ((rl)->packet_length += (inc)) -#define DTLS_RECORD_LAYER_get_w_epoch(rl) ((rl)->d->w_epoch) -#define DTLS_RECORD_LAYER_get_processed_rcds(rl) \ - ((rl)->d->processed_rcds) -#define DTLS_RECORD_LAYER_get_unprocessed_rcds(rl) \ - ((rl)->d->unprocessed_rcds) - -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(RECORD_LAYER *rl); -int RECORD_LAYER_write_pending(RECORD_LAYER *rl); -int RECORD_LAYER_set_data(RECORD_LAYER *rl, const unsigned char *buf, int len); -void RECORD_LAYER_dup(RECORD_LAYER *dst, RECORD_LAYER *src); -void RECORD_LAYER_reset_read_sequence(RECORD_LAYER *rl); -void RECORD_LAYER_reset_write_sequence(RECORD_LAYER *rl); -int RECORD_LAYER_setup_comp_buffer(RECORD_LAYER *rl); -__owur int ssl3_pending(const SSL *s); -__owur int ssl23_read_bytes(SSL *s, int n); -__owur int ssl23_write_bytes(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 len, int create_empty_fragment); -__owur int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); -__owur int ssl3_setup_buffers(SSL *s); -__owur int ssl3_enc(SSL *s, int send_data); -__owur int n_ssl3_mac(SSL *ssl, unsigned char *md, int send_data); -__owur int ssl3_write_pending(SSL *s, int type, const unsigned char *buf, - unsigned int len); -__owur int tls1_enc(SSL *s, int snd); -__owur int tls1_mac(SSL *ssl, unsigned char *md, int snd); -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); -__owur int dtls1_read_bytes(SSL *s, int 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); -void dtls1_reset_seq_numbers(SSL *s, int rw); -