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Diffstat (limited to 'lib/dns/dst_internal.h')
| -rw-r--r-- | lib/dns/dst_internal.h | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/lib/dns/dst_internal.h b/lib/dns/dst_internal.h new file mode 100644 index 0000000..0c1a71c --- /dev/null +++ b/lib/dns/dst_internal.h @@ -0,0 +1,217 @@ +/* + * Portions Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC") + * Portions Copyright (C) 2000-2002 Internet Software Consortium. + * + * Permission to use, copy, modify, and/or 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 ISC AND NETWORK ASSOCIATES DISCLAIMS + * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC 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 THIS SOFTWARE. + * + * Portions Copyright (C) 1995-2000 by Network Associates, Inc. + * + * Permission to use, copy, modify, and/or 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 ISC AND NETWORK ASSOCIATES DISCLAIMS + * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC 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 THIS SOFTWARE. + */ + +/* $Id: dst_internal.h,v 1.11 2008/04/01 23:47:10 tbox Exp $ */ + +#ifndef DST_DST_INTERNAL_H +#define DST_DST_INTERNAL_H 1 + +#include <isc/lang.h> +#include <isc/buffer.h> +#include <isc/int.h> +#include <isc/magic.h> +#include <isc/region.h> +#include <isc/types.h> +#include <isc/md5.h> +#include <isc/sha1.h> +#include <isc/hmacmd5.h> +#include <isc/hmacsha.h> + +#include <dst/dst.h> + +#ifdef OPENSSL +#include <openssl/dh.h> +#include <openssl/dsa.h> +#include <openssl/err.h> +#include <openssl/evp.h> +#include <openssl/objects.h> +#include <openssl/rsa.h> +#endif + +ISC_LANG_BEGINDECLS + +#define KEY_MAGIC ISC_MAGIC('D','S','T','K') +#define CTX_MAGIC ISC_MAGIC('D','S','T','C') + +#define VALID_KEY(x) ISC_MAGIC_VALID(x, KEY_MAGIC) +#define VALID_CTX(x) ISC_MAGIC_VALID(x, CTX_MAGIC) + +extern isc_mem_t *dst__memory_pool; + +/*** + *** Types + ***/ + +typedef struct dst_func dst_func_t; + +typedef struct dst_hmacmd5_key dst_hmacmd5_key_t; +typedef struct dst_hmacsha1_key dst_hmacsha1_key_t; +typedef struct dst_hmacsha224_key dst_hmacsha224_key_t; +typedef struct dst_hmacsha256_key dst_hmacsha256_key_t; +typedef struct dst_hmacsha384_key dst_hmacsha384_key_t; +typedef struct dst_hmacsha512_key dst_hmacsha512_key_t; + +/*% DST Key Structure */ +struct dst_key { + unsigned int magic; + dns_name_t * key_name; /*%< name of the key */ + unsigned int key_size; /*%< size of the key in bits */ + unsigned int key_proto; /*%< protocols this key is used for */ + unsigned int key_alg; /*%< algorithm of the key */ + isc_uint32_t key_flags; /*%< flags of the public key */ + isc_uint16_t key_id; /*%< identifier of the key */ + isc_uint16_t key_bits; /*%< hmac digest bits */ + dns_rdataclass_t key_class; /*%< class of the key record */ + isc_mem_t *mctx; /*%< memory context */ + char *engine; /*%< engine name (HSM) */ + char *label; /*%< engine label (HSM) */ + union { + void *generic; + gss_ctx_id_t gssctx; +#ifdef OPENSSL +#if USE_EVP_RSA + RSA *rsa; +#endif + DSA *dsa; + DH *dh; + EVP_PKEY *pkey; +#endif + dst_hmacmd5_key_t *hmacmd5; + dst_hmacsha1_key_t *hmacsha1; + dst_hmacsha224_key_t *hmacsha224; + dst_hmacsha256_key_t *hmacsha256; + dst_hmacsha384_key_t *hmacsha384; + dst_hmacsha512_key_t *hmacsha512; + + } keydata; /*%< pointer to key in crypto pkg fmt */ + dst_func_t * func; /*%< crypto package specific functions */ +}; + +struct dst_context { + unsigned int magic; + dst_key_t *key; + isc_mem_t *mctx; + union { + void *generic; + dst_gssapi_signverifyctx_t *gssctx; + isc_md5_t *md5ctx; + isc_sha1_t *sha1ctx; + isc_hmacmd5_t *hmacmd5ctx; + isc_hmacsha1_t *hmacsha1ctx; + isc_hmacsha224_t *hmacsha224ctx; + isc_hmacsha256_t *hmacsha256ctx; + isc_hmacsha384_t *hmacsha384ctx; + isc_hmacsha512_t *hmacsha512ctx; +#ifdef OPENSSL + EVP_MD_CTX *evp_md_ctx; +#endif + } ctxdata; +}; + +struct dst_func { + /* + * Context functions + */ + isc_result_t (*createctx)(dst_key_t *key, dst_context_t *dctx); + void (*destroyctx)(dst_context_t *dctx); + isc_result_t (*adddata)(dst_context_t *dctx, const isc_region_t *data); + + /* + * Key operations + */ + isc_result_t (*sign)(dst_context_t *dctx, isc_buffer_t *sig); + isc_result_t (*verify)(dst_context_t *dctx, const isc_region_t *sig); + isc_result_t (*computesecret)(const dst_key_t *pub, + const dst_key_t *priv, + isc_buffer_t *secret); + isc_boolean_t (*compare)(const dst_key_t *key1, const dst_key_t *key2); + isc_boolean_t (*paramcompare)(const dst_key_t *key1, + const dst_key_t *key2); + isc_result_t (*generate)(dst_key_t *key, int parms); + isc_boolean_t (*isprivate)(const dst_key_t *key); + void (*destroy)(dst_key_t *key); + + /* conversion functions */ + isc_result_t (*todns)(const dst_key_t *key, isc_buffer_t *data); + isc_result_t (*fromdns)(dst_key_t *key, isc_buffer_t *data); + isc_result_t (*tofile)(const dst_key_t *key, const char *directory); + isc_result_t (*parse)(dst_key_t *key, isc_lex_t *lexer); + + /* cleanup */ + void (*cleanup)(void); + + isc_result_t (*fromlabel)(dst_key_t *key, const char *engine, + const char *label, const char *pin); +}; + +/*% + * Initializers + */ +isc_result_t dst__openssl_init(void); + +isc_result_t dst__hmacmd5_init(struct dst_func **funcp); +isc_result_t dst__hmacsha1_init(struct dst_func **funcp); +isc_result_t dst__hmacsha224_init(struct dst_func **funcp); +isc_result_t dst__hmacsha256_init(struct dst_func **funcp); +isc_result_t dst__hmacsha384_init(struct dst_func **funcp); +isc_result_t dst__hmacsha512_init(struct dst_func **funcp); +isc_result_t dst__opensslrsa_init(struct dst_func **funcp); +isc_result_t dst__openssldsa_init(struct dst_func **funcp); +isc_result_t dst__openssldh_init(struct dst_func **funcp); +isc_result_t dst__gssapi_init(struct dst_func **funcp); + +/*% + * Destructors + */ +void dst__openssl_destroy(void); + +/*% + * Memory allocators using the DST memory pool. + */ +void * dst__mem_alloc(size_t size); +void dst__mem_free(void *ptr); +void * dst__mem_realloc(void *ptr, size_t size); + +/*% + * Entropy retriever using the DST entropy pool. + */ +isc_result_t dst__entropy_getdata(void *buf, unsigned int len, + isc_boolean_t pseudo); + +/* + * Entropy status hook. + */ +unsigned int dst__entropy_status(void); + +ISC_LANG_ENDDECLS + +#endif /* DST_DST_INTERNAL_H */ +/*! \file */ |