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Diffstat (limited to 'dst/dst_internal.h')
| -rw-r--r-- | dst/dst_internal.h | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/dst/dst_internal.h b/dst/dst_internal.h new file mode 100644 index 0000000..4ee9772 --- /dev/null +++ b/dst/dst_internal.h @@ -0,0 +1,171 @@ +#ifndef DST_INTERNAL_H +#define DST_INTERNAL_H + +/* + * Portions Copyright (c) 1995-1998 by Trusted Information Systems, Inc. + * Portions Copyright (c) 2007,2009 by Internet Systems Consortium, Inc. ("ISC") + * + * Permission to use, copy modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND TRUSTED INFORMATION SYSTEMS + * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL + * TRUSTED INFORMATION SYSTEMS BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THE SOFTWARE. + */ +#include <limits.h> +#include <sys/param.h> + +#ifndef PATH_MAX +# ifdef POSIX_PATH_MAX +# define PATH_MAX POSIX_PATH_MAX +# else +# define PATH_MAX 255 /* this is the value of POSIX_PATH_MAX */ +# endif +#endif + +typedef struct dst_key { + char *dk_key_name; /* name of the key */ + int dk_key_size; /* this is the size of the key in bits */ + int dk_proto; /* what protocols this key can be used for */ + int dk_alg; /* algorithm number from key record */ + unsigned dk_flags; /* and the flags of the public key */ + unsigned dk_id; /* identifier of the key */ + void *dk_KEY_struct; /* pointer to key in crypto pkg fmt */ + struct dst_func *dk_func; /* point to crypto pgk specific function table */ +} DST_KEY; +#define HAS_DST_KEY + +#include <isc-dhcp/dst.h> +/* + * define what crypto systems are supported for RSA, + * BSAFE is preferred over RSAREF; only one can be set at any time + */ +#if defined(BSAFE) && defined(RSAREF) +# error "Cannot have both BSAFE and RSAREF defined" +#endif + +/* Declare dst_lib specific constants */ +#define KEY_FILE_FORMAT "1.2" + +/* suffixes for key file names */ +#define PRIVATE_KEY "private" +#define PUBLIC_KEY "key" + +/* error handling */ +#ifdef REPORT_ERRORS +#define EREPORT(str) printf str +#else +#define EREPORT(str) +#endif + +/* use our own special macro to FRRE memory */ + +#ifndef SAFE_FREE +#define SAFE_FREE(a) if(a != NULL){memset(a,0, sizeof(*a)); free(a); a=NULL;} +#define SAFE_FREE2(a,s) if (a != NULL && s > 0){memset(a,0, s);free(a); a=NULL;} +#endif + +typedef struct dst_func { + int (*sign)(const int mode, DST_KEY *key, void **context, + const u_int8_t *data, const unsigned len, + u_int8_t *signature, const unsigned sig_len); + int (*verify)(const int mode, DST_KEY *key, void **context, + const u_int8_t *data, const unsigned len, + const u_int8_t *signature, const unsigned sig_len); + int (*compare)(const DST_KEY *key1, const DST_KEY *key2); + int (*generate)(DST_KEY *key, int parms); + void *(*destroy)(void *key); + /* conversion functions */ + int (*to_dns_key)(const DST_KEY *key, u_int8_t *out, + const unsigned out_len); + int (*from_dns_key)(DST_KEY *key, const u_int8_t *str, + const unsigned str_len); + int (*to_file_fmt)(const DST_KEY *key, char *out, + const unsigned out_len); + int (*from_file_fmt)(DST_KEY *key, const char *out, + const unsigned out_len); + +} dst_func; + +extern dst_func *dst_t_func[DST_MAX_ALGS]; +extern const char *key_file_fmt_str; +extern const char *dst_path; + +#ifndef DST_HASH_SIZE +#define DST_HASH_SIZE 20 /* RIPEMD160 and SHA-1 are 20 bytes MD5 is 16 */ +#endif + +#if 0 +int dst_bsafe_init(void); +int dst_rsaref_init(void); +#endif + +int dst_hmac_md5_init(void); + +#if 0 +int dst_cylink_init(void); +int dst_eay_dss_init(void); +#endif + +/* support functions */ +/* base64 to bignum conversion routines */ +int dst_s_conv_bignum_u8_to_b64( char *out_buf, const unsigned out_len, + const char *header, + const u_int8_t *bin_data, + const unsigned bin_len); +int dst_s_conv_bignum_b64_to_u8( const char **buf, u_int8_t *loc, + const unsigned loclen) ; +/* from higher level support routines */ +int dst_s_calculate_bits( const u_int8_t *str, const int max_bits); +int dst_s_verify_str( const char **buf, const char *str); + + +/* conversion between dns names and key file names */ +size_t dst_s_filename_length( const char *name, const char *suffix); +int dst_s_build_filename( char *filename, const char *name, + unsigned id, int alg, const char *suffix, + size_t filename_length); + +FILE *dst_s_fopen (const char *filename, const char *mode, unsigned perm); + +/* from file prandom.c */ +int dst_s_random( u_int8_t *output, unsigned size); +int dst_s_semi_random( u_int8_t *output, unsigned size); +u_int32_t dst_s_quick_random( int inc); +void dst_s_quick_random_set( u_int32_t val, u_int32_t cnt); + +/* + * read and write network byte order into u_int?_t + * all of these should be retired + */ +u_int16_t dst_s_get_int16( const u_int8_t *buf); +void dst_s_put_int16( u_int8_t *buf, const u_int16_t val); + +u_int32_t dst_s_get_int32( const u_int8_t *buf); +void dst_s_put_int32( u_int8_t *buf, const u_int32_t val); + +#ifdef DUMP +# undef DUMP +# define DUMP(a,b,c,d) dst_s_dump(a,b,c,d) +#else +# define DUMP(a,b,c,d) +#endif + +#if defined (MINIRES_LIB) +#define b64_pton MRb64_pton +#define b64_ntop MRb64_ntop + +int b64_pton (char const *, unsigned char *, size_t); +int b64_ntop (unsigned char const *, size_t, char *, size_t); + +#define USE_MD5 +#endif + + +#endif /* DST_INTERNAL_H */ |