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 <stdio.h>
  22 #include <sys/param.h>
  23 #if (!defined(BSD)) || (BSD < 199306)
  24 # include <sys/bitypes.h>
  25 #else
  26 # include <sys/types.h>
  27 #endif
  28
  29 #ifndef PATH_MAX
  30 # ifdef POSIX_PATH_MAX
  31 #  define PATH_MAX POSIX_PATH_MAX
  32 # else
  33 #  define PATH_MAX 255 /* this is the value of POSIX_PATH_MAX */
  34 # endif
  35 #endif
  36
  37 #ifndef dst_func
  38 #define dst_func res_9_dst_func
  39 #endif
  40 #define DST_KEY res_9_DST_KEY
  41 typedef struct dst_key {
  42         char    *dk_key_name;   /* name of the key */
  43         int     dk_key_size;    /* this is the size of the key in bits */
  44         int     dk_proto;       /* what protocols this key can be used for */
  45         int     dk_alg;         /* algorithm number from key record */
  46         u_int32_t dk_flags;     /* and the flags of the public key */
  47         u_int16_t dk_id;        /* identifier of the key */
  48         void    *dk_KEY_struct; /* pointer to key in crypto pkg fmt */
  49         struct dst_func *dk_func; /* point to cryptto pgk specific function table */
  50 } DST_KEY;
  51 #define HAS_DST_KEY
  52
  53 #ifdef __APPLE__
  54 #include "dst.h"
  55 #else
  56 #include <isc/dst.h>
  57 #endif
  58
  59 #pragma GCC visibility push(hidden)
  60
  61 /*
  62  * define what crypto systems are supported for RSA,
  63  * BSAFE is prefered over RSAREF; only one can be set at any time
  64  */
  65 #if defined(BSAFE) && defined(RSAREF)
  66 # error "Cannot have both BSAFE and RSAREF defined"
  67 #endif
  68
  69 /* Declare dst_lib specific constants */
  70 #define KEY_FILE_FORMAT "1.2"
  71
  72 /* suffixes for key file names */
  73 #define PRIVATE_KEY             "private"
  74 #define PUBLIC_KEY              "key"
  75
  76 /* error handling */
  77 #ifdef REPORT_ERRORS
  78 #define EREPORT(str)            printf str
  79 #else
  80 #define EREPORT(str)            (void)0
  81 #endif
  82
  83 /* use our own special macro to FRRE memory */
  84
  85 #ifndef SAFE_FREE
  86 #define SAFE_FREE(a) \
  87 do{if(a != NULL){memset(a,0, sizeof(*a)); free(a); a=NULL;}} while (0)
  88 #define SAFE_FREE2(a,s) if (a != NULL && s > 0){memset(a,0, s);free(a); a=NULL;}
  89 #endif
  90
  91 #define dst_func res_9_dst_func
  92 typedef struct dst_func {
  93         int (*sign)(const int mode, DST_KEY *key, void **context,
  94                      const u_int8_t *data, const int len,
  95                      u_int8_t *signature, const int sig_len);
  96         int (*verify)(const int mode, DST_KEY *key, void **context,
  97                        const u_int8_t *data, const int len,
  98                        const u_int8_t *signature, const int sig_len);
  99         int (*compare)(const DST_KEY *key1, const DST_KEY *key2);
 100         int (*generate)(DST_KEY *key, int parms);
 101         void *(*destroy)(void *key);
 102         /* conversion functions */
 103         int (*to_dns_key)(const DST_KEY *key, u_int8_t *out,
 104                            const int out_len);
 105         int (*from_dns_key)(DST_KEY *key, const u_int8_t *str,
 106                              const int str_len);
 107         int (*to_file_fmt)(const DST_KEY *key, char *out,
 108                             const int out_len);
 109         int (*from_file_fmt)(DST_KEY *key, const char *out,
 110                               const int out_len);
 111
 112 } dst_func;
 113
 114 #define dst_t_func res_9_dst_t_func
 115 extern dst_func *dst_t_func[DST_MAX_ALGS];
 116
 117 #define key_file_fmt_str res_9_key_file_fmt_str
 118 extern const char *key_file_fmt_str;
 119
 120 #define dst_path res_9_dst_path
 121 extern const char *dst_path;
 122
 123 #ifndef DST_HASH_SIZE
 124 #define DST_HASH_SIZE 20        /* RIPEMD160 and SHA-1 are 20 bytes MD5 is 16 */
 125 #endif
 126
 127 #define dst_bsafe_init res_9_dst_bsafe_init
 128 int dst_bsafe_init(void);
 129
 130 #define dst_rsaref_init res_9_dst_rsaref_init
 131 int dst_rsaref_init(void);
 132
 133 #define dst_hmac_md5_init res_9_dst_hmac_md5_init
 134 int dst_hmac_md5_init(void);
 135
 136 #define dst_cylink_init res_9_dst_cylink_init
 137 int dst_cylink_init(void);
 138
 139 #define dst_eay_dss_init res_9_dst_eay_dss_init
 140 int dst_eay_dss_init(void);
 141
 142 /* from higher level support routines */
 143 #define dst_s_calculate_bits res_9_dst_s_calculate_bits
 144 int       dst_s_calculate_bits( const u_int8_t *str, const int max_bits);
 145
 146 #define dst_s_verify_str res_9_dst_s_verify_str
 147 int       dst_s_verify_str( const char **buf, const char *str);
 148
 149
 150 /* conversion between dns names and key file names */
 151 #define dst_s_filename_length res_9_dst_s_filename_length
 152 size_t    dst_s_filename_length( const char *name, const char *suffix);
 153
 154 #define dst_s_build_filename res_9_dst_s_build_filename
 155 int       dst_s_build_filename(  char *filename, const char *name,
 156                                  u_int16_t id, int alg, const char *suffix,
 157                                  size_t filename_length);
 158
 159 #define dst_s_fopen res_9_dst_s_fopen
 160 FILE      *dst_s_fopen (const char *filename, const char *mode, int perm);
 161
 162 /*
 163  * read and write network byte order into u_int?_t
 164  *  all of these should be retired
 165  */
 166 #define dst_s_get_int16 res_9_dst_s_get_int16
 167 u_int16_t dst_s_get_int16( const u_int8_t *buf);
 168
 169 #define dst_s_put_int16 res_9_dst_s_put_int16
 170 void      dst_s_put_int16( u_int8_t *buf, const u_int16_t val);
 171
 172 #define dst_s_get_int32 res_9_dst_s_get_int32
 173 u_int32_t dst_s_get_int32( const u_int8_t *buf);
 174
 175 #define dst_s_put_int32 res_9_dst_s_put_int32
 176 void      dst_s_put_int32( u_int8_t *buf, const u_int32_t val);
 177
 178 #ifdef DUMP
 179 # undef DUMP
 180 # define DUMP(a,b,c,d) dst_s_dump(a,b,c,d)
 181 #else
 182 # define DUMP(a,b,c,d)
 183 #endif
 184 #define dst_s_dump res_9_dst_s_dump
 185 void
 186 dst_s_dump(const int mode, const u_char *data, const int size,
 187             const char *msg);
 188
 189 #pragma GCC visibility pop
 190
 191 #endif /* DST_INTERNAL_H */