|  | /* ssl/ssl2.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.] | 
|  | */ | 
|  |  | 
|  | #ifndef HEADER_SSL2_H | 
|  | #define HEADER_SSL2_H | 
|  |  | 
|  | #ifdef  __cplusplus | 
|  | extern "C" { | 
|  | #endif | 
|  |  | 
|  | /* Protocol Version Codes */ | 
|  | #define SSL2_VERSION		0x0002 | 
|  | #define SSL2_VERSION_MAJOR	0x00 | 
|  | #define SSL2_VERSION_MINOR	0x02 | 
|  | /* #define SSL2_CLIENT_VERSION	0x0002 */ | 
|  | /* #define SSL2_SERVER_VERSION	0x0002 */ | 
|  |  | 
|  | /* Protocol Message Codes */ | 
|  | #define SSL2_MT_ERROR			0 | 
|  | #define SSL2_MT_CLIENT_HELLO		1 | 
|  | #define SSL2_MT_CLIENT_MASTER_KEY	2 | 
|  | #define SSL2_MT_CLIENT_FINISHED		3 | 
|  | #define SSL2_MT_SERVER_HELLO		4 | 
|  | #define SSL2_MT_SERVER_VERIFY		5 | 
|  | #define SSL2_MT_SERVER_FINISHED		6 | 
|  | #define SSL2_MT_REQUEST_CERTIFICATE	7 | 
|  | #define SSL2_MT_CLIENT_CERTIFICATE	8 | 
|  |  | 
|  | /* Error Message Codes */ | 
|  | #define SSL2_PE_UNDEFINED_ERROR		0x0000 | 
|  | #define SSL2_PE_NO_CIPHER		0x0001 | 
|  | #define SSL2_PE_NO_CERTIFICATE		0x0002 | 
|  | #define SSL2_PE_BAD_CERTIFICATE		0x0004 | 
|  | #define SSL2_PE_UNSUPPORTED_CERTIFICATE_TYPE 0x0006 | 
|  |  | 
|  | /* Cipher Kind Values */ | 
|  | #define SSL2_CK_NULL_WITH_MD5			0x02000000 /* v3 */ | 
|  | #define SSL2_CK_RC4_128_WITH_MD5		0x02010080 | 
|  | #define SSL2_CK_RC4_128_EXPORT40_WITH_MD5	0x02020080 | 
|  | #define SSL2_CK_RC2_128_CBC_WITH_MD5		0x02030080 | 
|  | #define SSL2_CK_RC2_128_CBC_EXPORT40_WITH_MD5	0x02040080 | 
|  | #define SSL2_CK_IDEA_128_CBC_WITH_MD5		0x02050080 | 
|  | #define SSL2_CK_DES_64_CBC_WITH_MD5		0x02060040 | 
|  | #define SSL2_CK_DES_64_CBC_WITH_SHA		0x02060140 /* v3 */ | 
|  | #define SSL2_CK_DES_192_EDE3_CBC_WITH_MD5	0x020700c0 | 
|  | #define SSL2_CK_DES_192_EDE3_CBC_WITH_SHA	0x020701c0 /* v3 */ | 
|  | #define SSL2_CK_RC4_64_WITH_MD5			0x02080080 /* MS hack */ | 
|  |  | 
|  | #define SSL2_CK_DES_64_CFB64_WITH_MD5_1		0x02ff0800 /* SSLeay */ | 
|  | #define SSL2_CK_NULL				0x02ff0810 /* SSLeay */ | 
|  |  | 
|  | #define SSL2_TXT_DES_64_CFB64_WITH_MD5_1	"DES-CFB-M1" | 
|  | #define SSL2_TXT_NULL_WITH_MD5			"NULL-MD5" | 
|  | #define SSL2_TXT_RC4_128_WITH_MD5		"RC4-MD5" | 
|  | #define SSL2_TXT_RC4_128_EXPORT40_WITH_MD5	"EXP-RC4-MD5" | 
|  | #define SSL2_TXT_RC2_128_CBC_WITH_MD5		"RC2-CBC-MD5" | 
|  | #define SSL2_TXT_RC2_128_CBC_EXPORT40_WITH_MD5	"EXP-RC2-CBC-MD5" | 
|  | #define SSL2_TXT_IDEA_128_CBC_WITH_MD5		"IDEA-CBC-MD5" | 
|  | #define SSL2_TXT_DES_64_CBC_WITH_MD5		"DES-CBC-MD5" | 
|  | #define SSL2_TXT_DES_64_CBC_WITH_SHA		"DES-CBC-SHA" | 
|  | #define SSL2_TXT_DES_192_EDE3_CBC_WITH_MD5	"DES-CBC3-MD5" | 
|  | #define SSL2_TXT_DES_192_EDE3_CBC_WITH_SHA	"DES-CBC3-SHA" | 
|  | #define SSL2_TXT_RC4_64_WITH_MD5		"RC4-64-MD5" | 
|  |  | 
|  | #define SSL2_TXT_NULL				"NULL" | 
|  |  | 
|  | /* Flags for the SSL_CIPHER.algorithm2 field */ | 
|  | #define SSL2_CF_5_BYTE_ENC			0x01 | 
|  | #define SSL2_CF_8_BYTE_ENC			0x02 | 
|  |  | 
|  | /* Certificate Type Codes */ | 
|  | #define SSL2_CT_X509_CERTIFICATE		0x01 | 
|  |  | 
|  | /* Authentication Type Code */ | 
|  | #define SSL2_AT_MD5_WITH_RSA_ENCRYPTION		0x01 | 
|  |  | 
|  | #define SSL2_MAX_SSL_SESSION_ID_LENGTH		32 | 
|  |  | 
|  | /* Upper/Lower Bounds */ | 
|  | #define SSL2_MAX_MASTER_KEY_LENGTH_IN_BITS	256 | 
|  | #ifdef OPENSSL_SYS_MPE | 
|  | #define SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER	29998u | 
|  | #else | 
|  | #define SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER	32767u  /* 2^15-1 */ | 
|  | #endif | 
|  | #define SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER	16383 /* 2^14-1 */ | 
|  |  | 
|  | #define SSL2_CHALLENGE_LENGTH	16 | 
|  | /*#define SSL2_CHALLENGE_LENGTH	32 */ | 
|  | #define SSL2_MIN_CHALLENGE_LENGTH	16 | 
|  | #define SSL2_MAX_CHALLENGE_LENGTH	32 | 
|  | #define SSL2_CONNECTION_ID_LENGTH	16 | 
|  | #define SSL2_MAX_CONNECTION_ID_LENGTH	16 | 
|  | #define SSL2_SSL_SESSION_ID_LENGTH	16 | 
|  | #define SSL2_MAX_CERT_CHALLENGE_LENGTH	32 | 
|  | #define SSL2_MIN_CERT_CHALLENGE_LENGTH	16 | 
|  | #define SSL2_MAX_KEY_MATERIAL_LENGTH	24 | 
|  |  | 
|  | #ifndef HEADER_SSL_LOCL_H | 
|  | #define  CERT		char | 
|  | #endif | 
|  |  | 
|  | typedef struct ssl2_state_st | 
|  | { | 
|  | int three_byte_header; | 
|  | int clear_text;		/* clear text */ | 
|  | int escape;		/* not used in SSLv2 */ | 
|  | int ssl2_rollback;	/* used if SSLv23 rolled back to SSLv2 */ | 
|  |  | 
|  | /* non-blocking io info, used to make sure the same | 
|  | * args were passwd */ | 
|  | unsigned int wnum;	/* number of bytes sent so far */ | 
|  | int wpend_tot; | 
|  | const unsigned char *wpend_buf; | 
|  |  | 
|  | int wpend_off;	/* offset to data to write */ | 
|  | int wpend_len; 	/* number of bytes passwd to write */ | 
|  | int wpend_ret; 	/* number of bytes to return to caller */ | 
|  |  | 
|  | /* buffer raw data */ | 
|  | int rbuf_left; | 
|  | int rbuf_offs; | 
|  | unsigned char *rbuf; | 
|  | unsigned char *wbuf; | 
|  |  | 
|  | unsigned char *write_ptr;/* used to point to the start due to | 
|  | * 2/3 byte header. */ | 
|  |  | 
|  | unsigned int padding; | 
|  | unsigned int rlength; /* passed to ssl2_enc */ | 
|  | int ract_data_length; /* Set when things are encrypted. */ | 
|  | unsigned int wlength; /* passed to ssl2_enc */ | 
|  | int wact_data_length; /* Set when things are decrypted. */ | 
|  | unsigned char *ract_data; | 
|  | unsigned char *wact_data; | 
|  | unsigned char *mac_data; | 
|  |  | 
|  | unsigned char *read_key; | 
|  | unsigned char *write_key; | 
|  |  | 
|  | /* Stuff specifically to do with this SSL session */ | 
|  | unsigned int challenge_length; | 
|  | unsigned char challenge[SSL2_MAX_CHALLENGE_LENGTH]; | 
|  | unsigned int conn_id_length; | 
|  | unsigned char conn_id[SSL2_MAX_CONNECTION_ID_LENGTH]; | 
|  | unsigned int key_material_length; | 
|  | unsigned char key_material[SSL2_MAX_KEY_MATERIAL_LENGTH*2]; | 
|  |  | 
|  | unsigned long read_sequence; | 
|  | unsigned long write_sequence; | 
|  |  | 
|  | struct	{ | 
|  | unsigned int conn_id_length; | 
|  | unsigned int cert_type; | 
|  | unsigned int cert_length; | 
|  | int csl; | 
|  | int clear; | 
|  | unsigned int enc; | 
|  | unsigned char ccl[SSL2_MAX_CERT_CHALLENGE_LENGTH]; | 
|  | int cipher_spec_length; | 
|  | unsigned int session_id_length; | 
|  | unsigned int clen; | 
|  | unsigned int rlen; | 
|  | } tmp; | 
|  | } SSL2_STATE; | 
|  |  | 
|  | /* SSLv2 */ | 
|  | /* client */ | 
|  | #define SSL2_ST_SEND_CLIENT_HELLO_A		(0x10|SSL_ST_CONNECT) | 
|  | #define SSL2_ST_SEND_CLIENT_HELLO_B		(0x11|SSL_ST_CONNECT) | 
|  | #define SSL2_ST_GET_SERVER_HELLO_A		(0x20|SSL_ST_CONNECT) | 
|  | #define SSL2_ST_GET_SERVER_HELLO_B		(0x21|SSL_ST_CONNECT) | 
|  | #define SSL2_ST_SEND_CLIENT_MASTER_KEY_A	(0x30|SSL_ST_CONNECT) | 
|  | #define SSL2_ST_SEND_CLIENT_MASTER_KEY_B	(0x31|SSL_ST_CONNECT) | 
|  | #define SSL2_ST_SEND_CLIENT_FINISHED_A		(0x40|SSL_ST_CONNECT) | 
|  | #define SSL2_ST_SEND_CLIENT_FINISHED_B		(0x41|SSL_ST_CONNECT) | 
|  | #define SSL2_ST_SEND_CLIENT_CERTIFICATE_A	(0x50|SSL_ST_CONNECT) | 
|  | #define SSL2_ST_SEND_CLIENT_CERTIFICATE_B	(0x51|SSL_ST_CONNECT) | 
|  | #define SSL2_ST_SEND_CLIENT_CERTIFICATE_C	(0x52|SSL_ST_CONNECT) | 
|  | #define SSL2_ST_SEND_CLIENT_CERTIFICATE_D	(0x53|SSL_ST_CONNECT) | 
|  | #define SSL2_ST_GET_SERVER_VERIFY_A		(0x60|SSL_ST_CONNECT) | 
|  | #define SSL2_ST_GET_SERVER_VERIFY_B		(0x61|SSL_ST_CONNECT) | 
|  | #define SSL2_ST_GET_SERVER_FINISHED_A		(0x70|SSL_ST_CONNECT) | 
|  | #define SSL2_ST_GET_SERVER_FINISHED_B		(0x71|SSL_ST_CONNECT) | 
|  | #define SSL2_ST_CLIENT_START_ENCRYPTION		(0x80|SSL_ST_CONNECT) | 
|  | #define SSL2_ST_X509_GET_CLIENT_CERTIFICATE	(0x90|SSL_ST_CONNECT) | 
|  | /* server */ | 
|  | #define SSL2_ST_GET_CLIENT_HELLO_A		(0x10|SSL_ST_ACCEPT) | 
|  | #define SSL2_ST_GET_CLIENT_HELLO_B		(0x11|SSL_ST_ACCEPT) | 
|  | #define SSL2_ST_GET_CLIENT_HELLO_C		(0x12|SSL_ST_ACCEPT) | 
|  | #define SSL2_ST_SEND_SERVER_HELLO_A		(0x20|SSL_ST_ACCEPT) | 
|  | #define SSL2_ST_SEND_SERVER_HELLO_B		(0x21|SSL_ST_ACCEPT) | 
|  | #define SSL2_ST_GET_CLIENT_MASTER_KEY_A		(0x30|SSL_ST_ACCEPT) | 
|  | #define SSL2_ST_GET_CLIENT_MASTER_KEY_B		(0x31|SSL_ST_ACCEPT) | 
|  | #define SSL2_ST_SEND_SERVER_VERIFY_A		(0x40|SSL_ST_ACCEPT) | 
|  | #define SSL2_ST_SEND_SERVER_VERIFY_B		(0x41|SSL_ST_ACCEPT) | 
|  | #define SSL2_ST_SEND_SERVER_VERIFY_C		(0x42|SSL_ST_ACCEPT) | 
|  | #define SSL2_ST_GET_CLIENT_FINISHED_A		(0x50|SSL_ST_ACCEPT) | 
|  | #define SSL2_ST_GET_CLIENT_FINISHED_B		(0x51|SSL_ST_ACCEPT) | 
|  | #define SSL2_ST_SEND_SERVER_FINISHED_A		(0x60|SSL_ST_ACCEPT) | 
|  | #define SSL2_ST_SEND_SERVER_FINISHED_B		(0x61|SSL_ST_ACCEPT) | 
|  | #define SSL2_ST_SEND_REQUEST_CERTIFICATE_A	(0x70|SSL_ST_ACCEPT) | 
|  | #define SSL2_ST_SEND_REQUEST_CERTIFICATE_B	(0x71|SSL_ST_ACCEPT) | 
|  | #define SSL2_ST_SEND_REQUEST_CERTIFICATE_C	(0x72|SSL_ST_ACCEPT) | 
|  | #define SSL2_ST_SEND_REQUEST_CERTIFICATE_D	(0x73|SSL_ST_ACCEPT) | 
|  | #define SSL2_ST_SERVER_START_ENCRYPTION		(0x80|SSL_ST_ACCEPT) | 
|  | #define SSL2_ST_X509_GET_SERVER_CERTIFICATE	(0x90|SSL_ST_ACCEPT) | 
|  |  | 
|  | #ifdef  __cplusplus | 
|  | } | 
|  | #endif | 
|  | #endif | 
|  |  |