dst_internal.h

   1 #ifndef DST_INTERNAL_H
   2 #define DST_INTERNAL_H
   3
   4 /*
   5  * Portions Copyright (c) 1995-1998 by Trusted Information Systems, Inc.
   6  *
   7  * Permission to use, copy modify, and distribute this software for any
   8  * purpose with or without fee is hereby granted, provided that the above
   9  * copyright notice and this permission notice appear in all copies.
  10  *
  11  * THE SOFTWARE IS PROVIDED "AS IS" AND TRUSTED INFORMATION SYSTEMS
  12  * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
  13  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL
  14  * TRUSTED INFORMATION SYSTEMS BE LIABLE FOR ANY SPECIAL, DIRECT,
  15  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
  16  * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
  17  * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
  18  * WITH THE USE OR PERFORMANCE OF THE SOFTWARE.
  19  */
  20 #include <limits.h>
  21 #include <sys/param.h>
  22 #if (!defined(BSD)) || (BSD < 199306)
  23 # include <sys/bitypes.h>
  24 #else
  25 # include <sys/types.h>
  26 #endif
  27
  28 #ifndef PATH_MAX
  29 # ifdef POSIX_PATH_MAX
  30 #  define PATH_MAX POSIX_PATH_MAX
  31 # else
  32 #  define PATH_MAX 255 /* this is the value of POSIX_PATH_MAX */
  33 # endif
  34 #endif
  35
  36 #ifndef dst_func
  37 #define dst_func res_9_dst_func
  38 #endif
  39 #define DST_KEY res_9_DST_KEY
  40 typedef struct dst_key {
  41         char    *dk_key_name;   /* name of the key */
  42         int     dk_key_size;    /* this is the size of the key in bits */
  43         int     dk_proto;       /* what protocols this key can be used for */
  44         int     dk_alg;         /* algorithm number from key record */
  45         u_int32_t dk_flags;     /* and the flags of the public key */
  46         u_int16_t dk_id;        /* identifier of the key */
  47         void    *dk_KEY_struct; /* pointer to key in crypto pkg fmt */
  48         struct dst_func *dk_func; /* point to cryptto pgk specific function table */
  49 } DST_KEY;
  50 #define HAS_DST_KEY
  51
  52 #ifdef __APPLE__
  53 #include "dst.h"
  54 #else
  55 #include <isc/dst.h>
  56 #endif
  57
  58 /*
  59  * define what crypto systems are supported for RSA,
  60  * BSAFE is prefered over RSAREF; only one can be set at any time
  61  */
  62 #if defined(BSAFE) && defined(RSAREF)
  63 # error "Cannot have both BSAFE and RSAREF defined"
  64 #endif
  65
  66 /* Declare dst_lib specific constants */
  67 #define KEY_FILE_FORMAT "1.2"
  68
  69 /* suffixes for key file names */
  70 #define PRIVATE_KEY             "private"
  71 #define PUBLIC_KEY              "key"
  72
  73 /* error handling */
  74 #ifdef REPORT_ERRORS
  75 #define EREPORT(str)            printf str
  76 #else
  77 #define EREPORT(str)            (void)0
  78 #endif
  79
  80 /* use our own special macro to FRRE memory */
  81
  82 #ifndef SAFE_FREE
  83 #define SAFE_FREE(a) \
  84 do{if(a != NULL){memset(a,0, sizeof(*a)); free(a); a=NULL;}} while (0)
  85 #define SAFE_FREE2(a,s) if (a != NULL && s > 0){memset(a,0, s);free(a); a=NULL;}
  86 #endif
  87
  88 #define dst_func res_9_dst_func
  89 typedef struct dst_func {
  90         int (*sign)(const int mode, DST_KEY *key, void **context,
  91                      const u_int8_t *data, const int len,
  92                      u_int8_t *signature, const int sig_len);
  93         int (*verify)(const int mode, DST_KEY *key, void **context,
  94                        const u_int8_t *data, const int len,
  95                        const u_int8_t *signature, const int sig_len);
  96         int (*compare)(const DST_KEY *key1, const DST_KEY *key2);
  97         int (*generate)(DST_KEY *key, int parms);
  98         void *(*destroy)(void *key);
  99         /* conversion functions */
 100         int (*to_dns_key)(const DST_KEY *key, u_int8_t *out,
 101                            const int out_len);
 102         int (*from_dns_key)(DST_KEY *key, const u_int8_t *str,
 103                              const int str_len);
 104         int (*to_file_fmt)(const DST_KEY *key, char *out,
 105                             const int out_len);
 106         int (*from_file_fmt)(DST_KEY *key, const char *out,
 107                               const int out_len);
 108
 109 } dst_func;
 110
 111 #define dst_t_func res_9_dst_t_func
 112 extern dst_func *dst_t_func[DST_MAX_ALGS];
 113
 114 #define key_file_fmt_str res_9_key_file_fmt_str
 115 extern const char *key_file_fmt_str;
 116
 117 #define dst_path res_9_dst_path
 118 extern const char *dst_path;
 119
 120 #ifndef DST_HASH_SIZE
 121 #define DST_HASH_SIZE 20        /* RIPEMD160 and SHA-1 are 20 bytes MD5 is 16 */
 122 #endif
 123
 124 #define dst_bsafe_init res_9_dst_bsafe_init
 125 int dst_bsafe_init(void);
 126
 127 #define dst_rsaref_init res_9_dst_rsaref_init
 128 int dst_rsaref_init(void);
 129
 130 #define dst_hmac_md5_init res_9_dst_hmac_md5_init
 131 int dst_hmac_md5_init(void);
 132
 133 #define dst_cylink_init res_9_dst_cylink_init
 134 int dst_cylink_init(void);
 135
 136 #define dst_eay_dss_init res_9_dst_eay_dss_init
 137 int dst_eay_dss_init(void);
 138
 139 /* from higher level support routines */
 140 #define dst_s_calculate_bits res_9_dst_s_calculate_bits
 141 int       dst_s_calculate_bits( const u_int8_t *str, const int max_bits);
 142
 143 #define dst_s_verify_str res_9_dst_s_verify_str
 144 int       dst_s_verify_str( const char **buf, const char *str);
 145
 146
 147 /* conversion between dns names and key file names */
 148 #define dst_s_filename_length res_9_dst_s_filename_length
 149 size_t    dst_s_filename_length( const char *name, const char *suffix);
 150
 151 #define dst_s_build_filename res_9_dst_s_build_filename
 152 int       dst_s_build_filename(  char *filename, const char *name,
 153                                  u_int16_t id, int alg, const char *suffix,
 154                                  size_t filename_length);
 155
 156 #define dst_s_fopen res_9_dst_s_fopen
 157 FILE      *dst_s_fopen (const char *filename, const char *mode, int perm);
 158
 159 /*
 160  * read and write network byte order into u_int?_t
 161  *  all of these should be retired
 162  */
 163 #define dst_s_get_int16 res_9_dst_s_get_int16
 164 u_int16_t dst_s_get_int16( const u_int8_t *buf);
 165
 166 #define dst_s_put_int16 res_9_dst_s_put_int16
 167 void      dst_s_put_int16( u_int8_t *buf, const u_int16_t val);
 168
 169 #define dst_s_get_int32 res_9_dst_s_get_int32
 170 u_int32_t dst_s_get_int32( const u_int8_t *buf);
 171
 172 #define dst_s_put_int32 res_9_dst_s_put_int32
 173 void      dst_s_put_int32( u_int8_t *buf, const u_int32_t val);
 174
 175 #ifdef DUMP
 176 # undef DUMP
 177 # define DUMP(a,b,c,d) dst_s_dump(a,b,c,d)
 178 #else
 179 # define DUMP(a,b,c,d)
 180 #endif
 181 #define dst_s_dump res_9_dst_s_dump
 182 void
 183 dst_s_dump(const int mode, const u_char *data, const int size,
 184             const char *msg);
 185
 186
 187
 188 #endif /* DST_INTERNAL_H */