src/app-layer-ssl.h

   1 /* Copyright (C) 2007-2010 Open Information Security Foundation
   2  *
   3  * You can copy, redistribute or modify this Program under the terms of
   4  * the GNU General Public License version 2 as published by the Free
   5  * Software Foundation.
   6  *
   7  * This program is distributed in the hope that it will be useful,
   8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  * GNU General Public License for more details.
  11  *
  12  * You should have received a copy of the GNU General Public License
  13  * version 2 along with this program; if not, write to the Free Software
  14  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  15  * 02110-1301, USA.
  16  */
  17
  18 /**
  19  * \file
  20  *
  21  * \author Gurvinder Singh <gurvindersinghdahiya@gmail.com>
  22  */
  23
  24 #ifndef _APP_LAYER_SSL_H
  25 #define _APP_LAYER_SSL_H
  26
  27 #define SSL_CLIENT_VERSION                      0x0002
  28 #define SSL_SERVER_VERSION                      0x0002
  29
  30 /* SSL state flags */
  31 #define SSL_FLAG_CLIENT_HS              0x01
  32 #define SSL_FLAG_SERVER_HS              0x02
  33 #define SSL_FLAG_CLIENT_MASTER_KEY      0x04
  34 #define SSL_FLAG_CLIENT_SSN_ENCRYPTED   0x08
  35 #define SSL_FLAG_SERVER_SSN_ENCRYPTED   0x10
  36 #define SSL_FLAG_NO_SESSION_ID          0x20
  37
  38 /* SSL message types */
  39 #define SSL_ERROR                       0
  40 #define SSL_CLIENT_HELLO                1
  41 #define SSL_CLIENT_MASTER_KEY           2
  42 #define SSL_CLIENT_FINISHED             3
  43 #define SSL_SERVER_HELLO                4
  44 #define SSL_SERVER_VERIFY               5
  45 #define SSL_SERVER_FINISHED             6
  46 #define SSL_REQUEST_CERTIFICATE         7
  47 #define SSL_CLIENT_CERTIFICATE          8
  48
  49 /* structure to store the SSL state values */
  50 typedef struct SslState_ {
  51     uint8_t client_content_type;    /**< Client content type storage field */
  52     uint16_t client_version;        /**< Client SSL version storage field */
  53
  54     uint8_t server_content_type;    /**< Server content type storage field */
  55     uint16_t server_version;        /**< Server SSL version storage field */
  56
  57     uint8_t flags;                  /**< Flags to indicate the current SSL
  58                                          sessoin state */
  59 } SslState;
  60
  61 typedef struct SslClient_ {
  62     uint16_t length;        /**< Length of the received message */
  63     uint8_t msg_type;
  64     uint8_t minor_ver;
  65     uint8_t major_ver;
  66     uint16_t cipher_spec_len;
  67     uint16_t session_id_len;
  68 } SslClient;
  69
  70 typedef struct SslServer_ {
  71     uint16_t lentgth;
  72     uint8_t msg_type;
  73     uint8_t session_id;
  74     uint8_t cert;
  75     uint8_t minor_ver;
  76     uint8_t major_ver;
  77 } SslServer;
  78
  79 void RegisterSSLParsers(void);
  80 void SSLParserRegisterTests(void);
  81
  82 #endif  /* _APP_LAYER_SSL_H */
  83