Use separate arrays for certificate verify and for finished hashes.
[openssl.git] / ssl / ssl3.h
index 9675ec2d7d1c6a5b12177cd7af66eb124dcdc752..60f33de3a16cf5a71e4f1de28fc04e1105d9365c 100644 (file)
@@ -1,5 +1,5 @@
 /* ssl/ssl3.h */
-/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
  * This package is an SSL implementation written
@@ -59,7 +59,9 @@
 #ifndef HEADER_SSL3_H 
 #define HEADER_SSL3_H 
 
-#include "buffer.h"
+#include <openssl/buffer.h>
+#include <openssl/evp.h>
+#include <openssl/ssl.h>
 
 #ifdef  __cplusplus
 extern "C" {
@@ -94,7 +96,7 @@ extern "C" {
 #define SSL3_CK_ADH_RC4_128_MD5                        0x03000018
 #define SSL3_CK_ADH_DES_40_CBC_SHA             0x03000019
 #define SSL3_CK_ADH_DES_64_CBC_SHA             0x0300001A
-#define SSL3_CK_ADH_DES_196_CBC_SHA            0x0300001B
+#define SSL3_CK_ADH_DES_192_CBC_SHA            0x0300001B
 
 #define SSL3_CK_FZA_DMS_NULL_SHA               0x0300001C
 #define SSL3_CK_FZA_DMS_FZA_SHA                        0x0300001D
@@ -106,7 +108,7 @@ extern "C" {
 #define SSL3_TXT_RSA_RC4_128_MD5               "RC4-MD5"
 #define SSL3_TXT_RSA_RC4_128_SHA               "RC4-SHA"
 #define SSL3_TXT_RSA_RC2_40_MD5                        "EXP-RC2-CBC-MD5"
-#define SSL3_TXT_RSA_IDEA_128_SHA              "IDEA-CBC-MD5"
+#define SSL3_TXT_RSA_IDEA_128_SHA              "IDEA-CBC-SHA"
 #define SSL3_TXT_RSA_DES_40_CBC_SHA            "EXP-DES-CBC-SHA"
 #define SSL3_TXT_RSA_DES_64_CBC_SHA            "DES-CBC-SHA"
 #define SSL3_TXT_RSA_DES_192_CBC3_SHA          "DES-CBC3-SHA"
@@ -121,7 +123,7 @@ extern "C" {
 #define SSL3_TXT_EDH_DSS_DES_40_CBC_SHA                "EXP-EDH-DSS-DES-CBC-SHA"
 #define SSL3_TXT_EDH_DSS_DES_64_CBC_SHA                "EDH-DSS-DES-CBC-SHA"
 #define SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA      "EDH-DSS-DES-CBC3-SHA"
-#define SSL3_TXT_EDH_RSA_DES_40_CBC_SHA                "EXP-EDH-RSA-DES-CBC"
+#define SSL3_TXT_EDH_RSA_DES_40_CBC_SHA                "EXP-EDH-RSA-DES-CBC-SHA"
 #define SSL3_TXT_EDH_RSA_DES_64_CBC_SHA                "EDH-RSA-DES-CBC-SHA"
 #define SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA      "EDH-RSA-DES-CBC3-SHA"
 
@@ -129,7 +131,7 @@ extern "C" {
 #define SSL3_TXT_ADH_RC4_128_MD5               "ADH-RC4-MD5"
 #define SSL3_TXT_ADH_DES_40_CBC_SHA            "EXP-ADH-DES-CBC-SHA"
 #define SSL3_TXT_ADH_DES_64_CBC_SHA            "ADH-DES-CBC-SHA"
-#define SSL3_TXT_ADH_DES_196_CBC_SHA           "ADH-DES-CBC3-SHA"
+#define SSL3_TXT_ADH_DES_192_CBC_SHA           "ADH-DES-CBC3-SHA"
 
 #define SSL3_TXT_FZA_DMS_NULL_SHA              "FZA-NULL-SHA"
 #define SSL3_TXT_FZA_DMS_FZA_SHA               "FZA-FZA-CBC-SHA"
@@ -172,8 +174,8 @@ extern "C" {
 #define SSL3_RS_PART_READ              4
 #define SSL3_RS_PART_WRITE             5
 
-#define SSL3_MD_CLIENT_FINISHED_CONST  0x43,0x4C,0x4E,0x54
-#define SSL3_MD_SERVER_FINISHED_CONST  0x53,0x52,0x56,0x52
+#define SSL3_MD_CLIENT_FINISHED_CONST  "\x43\x4C\x4E\x54"
+#define SSL3_MD_SERVER_FINISHED_CONST  "\x53\x52\x56\x52"
 
 #define SSL3_VERSION                   0x0300
 #define SSL3_VERSION_MAJOR             0x03
@@ -208,7 +210,7 @@ typedef struct ssl3_record_st
 /*r */ unsigned int off;       /* read/write offset into 'buf' */
 /*rw*/ unsigned char *data;    /* pointer to the record data */
 /*rw*/ unsigned char *input;   /* where the decode bytes are */
-/*rw*/ unsigned char *comp;    /* only used with decompression */
+/*r */ unsigned char *comp;    /* only used with decompression - malloc()ed */
        } SSL3_RECORD;
 
 typedef struct ssl3_buffer_st
@@ -220,10 +222,6 @@ typedef struct ssl3_buffer_st
 /*rw*/ unsigned char *buf;     /* SSL3_RT_MAX_PACKET_SIZE bytes */
        } SSL3_BUFFER;
 
-typedef struct ssl3_compression_st {
-       int nothing;
-       } SSL3_COMPRESSION;
-
 #define SSL3_CT_RSA_SIGN                       1
 #define SSL3_CT_DSS_SIGN                       2
 #define SSL3_CT_RSA_FIXED_DH                   3
@@ -236,6 +234,34 @@ typedef struct ssl3_compression_st {
 #define SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS      0x0001
 #define SSL3_FLAGS_DELAY_CLIENT_FINISHED       0x0002
 #define SSL3_FLAGS_POP_BUFFER                  0x0004
+#define TLS1_FLAGS_TLS_PADDING_BUG             0x0008
+
+#if 0
+#define AD_CLOSE_NOTIFY                        0
+#define AD_UNEXPECTED_MESSAGE          1
+#define AD_BAD_RECORD_MAC              2
+#define AD_DECRYPTION_FAILED           3
+#define AD_RECORD_OVERFLOW             4
+#define AD_DECOMPRESSION_FAILURE       5       /* fatal */
+#define AD_HANDSHAKE_FAILURE           6       /* fatal */
+#define AD_NO_CERTIFICATE              7       /* Not under TLS */
+#define AD_BAD_CERTIFICATE             8
+#define AD_UNSUPPORTED_CERTIFICATE     9
+#define AD_CERTIFICATE_REVOKED         10      
+#define AD_CERTIFICATE_EXPIRED         11
+#define AD_CERTIFICATE_UNKNOWN         12
+#define AD_ILLEGAL_PARAMETER           13      /* fatal */
+#define AD_UNKNOWN_CA                  14      /* fatal */
+#define AD_ACCESS_DENIED               15      /* fatal */
+#define AD_DECODE_ERROR                        16      /* fatal */
+#define AD_DECRYPT_ERROR               17
+#define AD_EXPORT_RESTRICION           18      /* fatal */
+#define AD_PROTOCOL_VERSION            19      /* fatal */
+#define AD_INSUFFICIENT_SECURITY       20      /* fatal */
+#define AD_INTERNAL_ERROR              21      /* fatal */
+#define AD_USER_CANCLED                        22
+#define AD_NO_RENEGOTIATION            23
+#endif
 
 typedef struct ssl3_ctx_st
        {
@@ -262,7 +288,7 @@ typedef struct ssl3_ctx_st
        int wpend_tot;          /* number bytes written */
        int wpend_type;
        int wpend_ret;          /* number of bytes submitted */
-       char *wpend_buf;
+       const unsigned char *wpend_buf;
 
        /* used during startup, digest all incoming/outgoing packets */
        EVP_MD_CTX finish_dgst1;
@@ -277,19 +303,34 @@ typedef struct ssl3_ctx_st
        /* we alow one fatal and one warning alert to be outstanding,
         * send close alert via the warning alert */
        int alert_dispatch;
-       char send_alert[2];
+       unsigned char send_alert[2];
+
+       /* This flag is set when we should renegotiate ASAP, basically when
+        * there is no more data in the read or write buffers */
+       int renegotiate;
+       int total_renegotiations;
+       int num_renegotiations;
+
+       int in_read_app_data;
 
        struct  {
-               unsigned char finish_md1[EVP_MAX_MD_SIZE];
-               unsigned char finish_md2[EVP_MAX_MD_SIZE];
+               /* actually only needs to be 16+20 */
+               unsigned char cert_verify_md[EVP_MAX_MD_SIZE*2];
+
+               /* actually only need to be 16+20 for SSLv3 and 12 for TLS */
+               unsigned char server_finish_md[EVP_MAX_MD_SIZE*2];
+               int server_finish_md_len;
+               unsigned char client_finish_md[EVP_MAX_MD_SIZE*2];
+               int client_finish_md_len;
                
                unsigned long message_size;
                int message_type;
 
                /* used to hold the new cipher we are going to use */
                SSL_CIPHER *new_cipher;
+#ifndef NO_DH
                DH *dh;
-
+#endif
                /* used when SSL_ST_FLUSH_DATA is entered */
                int next_state;                 
 
@@ -299,17 +340,23 @@ typedef struct ssl3_ctx_st
                int cert_req;
                int ctype_num;
                char ctype[SSL3_CT_NUMBER];
-               STACK *ca_names;
+               STACK_OF(X509_NAME) *ca_names;
 
                int use_rsa_tmp;
 
                int key_block_length;
                unsigned char *key_block;
 
-               EVP_CIPHER *new_sym_enc;
-               EVP_MD *new_hash;
-               SSL_COMPRESSION *new_compression;
+               const EVP_CIPHER *new_sym_enc;
+               const EVP_MD *new_hash;
+#ifdef HEADER_COMP_H
+               const SSL_COMP *new_compression;
+#else
+               char *new_compression;
+#endif
+               int cert_request;
                } tmp;
+
        } SSL3_CTX;
 
 /* SSLv3 */
@@ -353,9 +400,11 @@ typedef struct ssl3_ctx_st
 /* extra state */
 #define SSL3_ST_SW_FLUSH               (0x100|SSL_ST_ACCEPT)
 /* read from client */
+/* Do not change the number values, they do matter */
 #define SSL3_ST_SR_CLNT_HELLO_A                (0x110|SSL_ST_ACCEPT)
 #define SSL3_ST_SR_CLNT_HELLO_B                (0x111|SSL_ST_ACCEPT)
 #define SSL3_ST_SR_CLNT_HELLO_C                (0x112|SSL_ST_ACCEPT)
+#define SSL3_ST_SR_MS_SGC                      (0x113|SSL_ST_ACCEPT)
 /* write to client */
 #define SSL3_ST_SW_HELLO_REQ_A         (0x120|SSL_ST_ACCEPT)
 #define SSL3_ST_SW_HELLO_REQ_B         (0x121|SSL_ST_ACCEPT)