362 lines
13 KiB
C
362 lines
13 KiB
C
/* crypto/x509/x509_vfy.h */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#ifndef HEADER_X509_H
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#include <openssl/x509.h>
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/* openssl/x509.h ends up #include-ing this file at about the only
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* appropriate moment. */
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#endif
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#ifndef HEADER_X509_VFY_H
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#define HEADER_X509_VFY_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <openssl/bio.h>
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#include <openssl/crypto.h>
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/* Outer object */
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typedef struct x509_hash_dir_st
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{
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int num_dirs;
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char **dirs;
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int *dirs_type;
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int num_dirs_alloced;
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} X509_HASH_DIR_CTX;
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typedef struct x509_file_st
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{
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int num_paths; /* number of paths to files or directories */
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int num_alloced;
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char **paths; /* the list of paths or directories */
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int *path_type;
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} X509_CERT_FILE_CTX;
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/*******************************/
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/*
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SSL_CTX -> X509_STORE
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-> X509_LOOKUP
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->X509_LOOKUP_METHOD
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-> X509_LOOKUP
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->X509_LOOKUP_METHOD
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SSL -> X509_STORE_CTX
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->X509_STORE
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The X509_STORE holds the tables etc for verification stuff.
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A X509_STORE_CTX is used while validating a single certificate.
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The X509_STORE has X509_LOOKUPs for looking up certs.
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The X509_STORE then calls a function to actually verify the
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certificate chain.
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*/
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#define X509_LU_RETRY -1
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#define X509_LU_FAIL 0
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#define X509_LU_X509 1
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#define X509_LU_CRL 2
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#define X509_LU_PKEY 3
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typedef struct x509_object_st
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{
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/* one of the above types */
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int type;
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union {
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char *ptr;
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X509 *x509;
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X509_CRL *crl;
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EVP_PKEY *pkey;
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} data;
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} X509_OBJECT;
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typedef struct x509_lookup_st X509_LOOKUP;
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DECLARE_STACK_OF(X509_LOOKUP)
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/* This is a static that defines the function interface */
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typedef struct x509_lookup_method_st
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{
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const char *name;
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int (*new_item)(X509_LOOKUP *ctx);
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void (*free)(X509_LOOKUP *ctx);
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int (*init)(X509_LOOKUP *ctx);
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int (*shutdown)(X509_LOOKUP *ctx);
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int (*ctrl)(X509_LOOKUP *ctx,int cmd,const char *argc,long argl,
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char **ret);
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int (*get_by_subject)(X509_LOOKUP *ctx,int type,X509_NAME *name,
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X509_OBJECT *ret);
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int (*get_by_issuer_serial)(X509_LOOKUP *ctx,int type,X509_NAME *name,
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ASN1_INTEGER *serial,X509_OBJECT *ret);
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int (*get_by_fingerprint)(X509_LOOKUP *ctx,int type,
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unsigned char *bytes,int len,
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X509_OBJECT *ret);
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int (*get_by_alias)(X509_LOOKUP *ctx,int type,char *str,int len,
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X509_OBJECT *ret);
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} X509_LOOKUP_METHOD;
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typedef struct x509_store_state_st X509_STORE_CTX;
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/* This is used to hold everything. It is used for all certificate
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* validation. Once we have a certificate chain, the 'verify'
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* function is then called to actually check the cert chain. */
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typedef struct x509_store_st
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{
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/* The following is a cache of trusted certs */
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int cache; /* if true, stash any hits */
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#ifdef HEADER_LHASH_H
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LHASH *certs; /* cached certs; */
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#else
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char *certs;
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#endif
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/* These are external lookup methods */
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STACK_OF(X509_LOOKUP) *get_cert_methods;
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int (*verify)(X509_STORE_CTX *ctx); /* called to verify a certificate */
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int (*verify_cb)(int ok,X509_STORE_CTX *ctx); /* error callback */
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CRYPTO_EX_DATA ex_data;
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int references;
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int depth; /* how deep to look (still unused -- X509_STORE_CTX's depth is used) */
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} X509_STORE;
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#define X509_STORE_set_depth(ctx,d) ((ctx)->depth=(d))
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#define X509_STORE_set_verify_cb_func(ctx,func) ((ctx)->verify_cb=(func))
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#define X509_STORE_set_verify_func(ctx,func) ((ctx)->verify=(func))
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/* This is the functions plus an instance of the local variables. */
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struct x509_lookup_st
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{
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int init; /* have we been started */
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int skip; /* don't use us. */
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X509_LOOKUP_METHOD *method; /* the functions */
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char *method_data; /* method data */
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X509_STORE *store_ctx; /* who owns us */
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};
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/* This is a temporary used when processing cert chains. Since the
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* gathering of the cert chain can take some time (and have to be
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* 'retried', this needs to be kept and passed around. */
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struct x509_store_state_st /* X509_STORE_CTX */
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{
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X509_STORE *ctx;
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int current_method; /* used when looking up certs */
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/* The following are set by the caller */
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X509 *cert; /* The cert to check */
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STACK_OF(X509) *untrusted; /* chain of X509s - untrusted - passed in */
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int purpose; /* purpose to check untrusted certificates */
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int trust; /* trust setting to check */
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/* The following is built up */
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int depth; /* how far to go looking up certs */
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int valid; /* if 0, rebuild chain */
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int last_untrusted; /* index of last untrusted cert */
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STACK_OF(X509) *chain; /* chain of X509s - built up and trusted */
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/* When something goes wrong, this is why */
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int error_depth;
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int error;
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X509 *current_cert;
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CRYPTO_EX_DATA ex_data;
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};
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#define X509_STORE_CTX_set_depth(ctx,d) ((ctx)->depth=(d))
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#define X509_STORE_CTX_set_app_data(ctx,data) \
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X509_STORE_CTX_set_ex_data(ctx,0,data)
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#define X509_STORE_CTX_get_app_data(ctx) \
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X509_STORE_CTX_get_ex_data(ctx,0)
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#define X509_L_FILE_LOAD 1
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#define X509_L_ADD_DIR 2
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#define X509_LOOKUP_load_file(x,name,type) \
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X509_LOOKUP_ctrl((x),X509_L_FILE_LOAD,(name),(long)(type),NULL)
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#define X509_LOOKUP_add_dir(x,name,type) \
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X509_LOOKUP_ctrl((x),X509_L_ADD_DIR,(name),(long)(type),NULL)
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#define X509_V_OK 0
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/* illegal error (for uninitialized values, to avoid X509_V_OK): 1 */
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#define X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT 2
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#define X509_V_ERR_UNABLE_TO_GET_CRL 3
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#define X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE 4
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#define X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE 5
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#define X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY 6
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#define X509_V_ERR_CERT_SIGNATURE_FAILURE 7
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#define X509_V_ERR_CRL_SIGNATURE_FAILURE 8
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#define X509_V_ERR_CERT_NOT_YET_VALID 9
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#define X509_V_ERR_CERT_HAS_EXPIRED 10
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#define X509_V_ERR_CRL_NOT_YET_VALID 11
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#define X509_V_ERR_CRL_HAS_EXPIRED 12
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#define X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD 13
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#define X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD 14
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#define X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD 15
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#define X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD 16
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#define X509_V_ERR_OUT_OF_MEM 17
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#define X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT 18
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#define X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN 19
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#define X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY 20
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#define X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE 21
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#define X509_V_ERR_CERT_CHAIN_TOO_LONG 22
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#define X509_V_ERR_CERT_REVOKED 23
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#define X509_V_ERR_INVALID_CA 24
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#define X509_V_ERR_PATH_LENGTH_EXCEEDED 25
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#define X509_V_ERR_INVALID_PURPOSE 26
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#define X509_V_ERR_CERT_UNTRUSTED 27
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#define X509_V_ERR_CERT_REJECTED 28
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/* The application is not happy */
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#define X509_V_ERR_APPLICATION_VERIFICATION 50
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/* These functions are being redefined in another directory,
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and clash when the linker is case-insensitive, so let's
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hide them a little, by giving them an extra 'o' at the
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beginning of the name... */
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#ifdef VMS
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#undef X509v3_cleanup_extensions
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#define X509v3_cleanup_extensions oX509v3_cleanup_extensions
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#undef X509v3_add_extension
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#define X509v3_add_extension oX509v3_add_extension
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#undef X509v3_add_netscape_extensions
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#define X509v3_add_netscape_extensions oX509v3_add_netscape_extensions
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#undef X509v3_add_standard_extensions
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#define X509v3_add_standard_extensions oX509v3_add_standard_extensions
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#endif
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#ifdef HEADER_LHASH_H
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X509_OBJECT *X509_OBJECT_retrieve_by_subject(LHASH *h,int type,X509_NAME *name);
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#endif
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void X509_OBJECT_up_ref_count(X509_OBJECT *a);
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void X509_OBJECT_free_contents(X509_OBJECT *a);
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X509_STORE *X509_STORE_new(void );
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void X509_STORE_free(X509_STORE *v);
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X509_STORE_CTX *X509_STORE_CTX_new(void);
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void X509_STORE_CTX_free(X509_STORE_CTX *ctx);
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void X509_STORE_CTX_init(X509_STORE_CTX *ctx, X509_STORE *store,
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X509 *x509, STACK_OF(X509) *chain);
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void X509_STORE_CTX_cleanup(X509_STORE_CTX *ctx);
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X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *v, X509_LOOKUP_METHOD *m);
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X509_LOOKUP_METHOD *X509_LOOKUP_hash_dir(void);
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X509_LOOKUP_METHOD *X509_LOOKUP_file(void);
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int X509_STORE_add_cert(X509_STORE *ctx, X509 *x);
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int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x);
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int X509_STORE_get_by_subject(X509_STORE_CTX *vs,int type,X509_NAME *name,
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X509_OBJECT *ret);
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int X509_LOOKUP_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc,
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long argl, char **ret);
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#ifndef NO_STDIO
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int X509_load_cert_file(X509_LOOKUP *ctx, const char *file, int type);
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int X509_load_crl_file(X509_LOOKUP *ctx, const char *file, int type);
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int X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file, int type);
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#endif
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X509_LOOKUP *X509_LOOKUP_new(X509_LOOKUP_METHOD *method);
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void X509_LOOKUP_free(X509_LOOKUP *ctx);
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int X509_LOOKUP_init(X509_LOOKUP *ctx);
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int X509_LOOKUP_by_subject(X509_LOOKUP *ctx, int type, X509_NAME *name,
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X509_OBJECT *ret);
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int X509_LOOKUP_by_issuer_serial(X509_LOOKUP *ctx, int type, X509_NAME *name,
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ASN1_INTEGER *serial, X509_OBJECT *ret);
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int X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, int type,
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unsigned char *bytes, int len, X509_OBJECT *ret);
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int X509_LOOKUP_by_alias(X509_LOOKUP *ctx, int type, char *str,
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int len, X509_OBJECT *ret);
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int X509_LOOKUP_shutdown(X509_LOOKUP *ctx);
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#ifndef NO_STDIO
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int X509_STORE_load_locations (X509_STORE *ctx,
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const char *file, const char *dir);
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int X509_STORE_set_default_paths(X509_STORE *ctx);
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#endif
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int X509_STORE_CTX_get_ex_new_index(long argl, char *argp, int (*new_func)(),
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int (*dup_func)(), void (*free_func)());
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int X509_STORE_CTX_set_ex_data(X509_STORE_CTX *ctx,int idx,void *data);
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void * X509_STORE_CTX_get_ex_data(X509_STORE_CTX *ctx,int idx);
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int X509_STORE_CTX_get_error(X509_STORE_CTX *ctx);
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void X509_STORE_CTX_set_error(X509_STORE_CTX *ctx,int s);
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int X509_STORE_CTX_get_error_depth(X509_STORE_CTX *ctx);
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X509 * X509_STORE_CTX_get_current_cert(X509_STORE_CTX *ctx);
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STACK_OF(X509) *X509_STORE_CTX_get_chain(X509_STORE_CTX *ctx);
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STACK_OF(X509) *X509_STORE_CTX_rget_chain(X509_STORE_CTX *ctx);
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void X509_STORE_CTX_set_cert(X509_STORE_CTX *c,X509 *x);
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void X509_STORE_CTX_set_chain(X509_STORE_CTX *c,STACK_OF(X509) *sk);
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int X509_STORE_CTX_set_purpose(X509_STORE_CTX *ctx, int purpose);
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int X509_STORE_CTX_set_trust(X509_STORE_CTX *ctx, int trust);
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int X509_STORE_CTX_purpose_inherit(X509_STORE_CTX *ctx, int def_purpose,
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int purpose, int trust);
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#ifdef __cplusplus
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}
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#endif
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#endif
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