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openssl/crypto/x509/x509_vfy.h
Ben Laurie e778802f53 Massive constification.
1999-04-17 21:25:43 +00:00

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/* crypto/x509/x509_vfy.h */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#ifndef HEADER_X509_VFY_H
#define HEADER_X509_VFY_H
#ifdef __cplusplus
extern "C" {
#endif
#include "bio.h"
#include "crypto.h"
/* Outer object */
typedef struct x509_hash_dir_st
{
int num_dirs;
char **dirs;
int *dirs_type;
int num_dirs_alloced;
} X509_HASH_DIR_CTX;
typedef struct x509_file_st
{
int num_paths; /* number of paths to files or directories */
int num_alloced;
char **paths; /* the list of paths or directories */
int *path_type;
} X509_CERT_FILE_CTX;
/*******************************/
/*
SSL_CTX -> X509_STORE
-> X509_LOOKUP
->X509_LOOKUP_METHOD
-> X509_LOOKUP
->X509_LOOKUP_METHOD
SSL -> X509_STORE_CTX
->X509_STORE
The X509_STORE holds the tables etc for verification stuff.
A X509_STORE_CTX is used while validating a single certificate.
The X509_STORE has X509_LOOKUPs for looking up certs.
The X509_STORE then calls a function to actually verify the
certificate chain.
*/
#define X509_LU_RETRY -1
#define X509_LU_FAIL 0
#define X509_LU_X509 1
#define X509_LU_CRL 2
#define X509_LU_PKEY 3
typedef struct x509_object_st
{
/* one of the above types */
int type;
union {
char *ptr;
X509 *x509;
X509_CRL *crl;
EVP_PKEY *pkey;
} data;
} X509_OBJECT;
typedef struct x509_lookup_st X509_LOOKUP;
/* This is a static that defines the function interface */
typedef struct x509_lookup_method_st
{
const char *name;
int (*new_item)(X509_LOOKUP *ctx);
void (*free)(X509_LOOKUP *ctx);
int (*init)(X509_LOOKUP *ctx);
int (*shutdown)(X509_LOOKUP *ctx);
int (*ctrl)(X509_LOOKUP *ctx,int cmd,char *argc,long argl,char **ret);
int (*get_by_subject)(X509_LOOKUP *ctx,int type,X509_NAME *name,
X509_OBJECT *ret);
int (*get_by_issuer_serial)(X509_LOOKUP *ctx,int type,X509_NAME *name,
ASN1_INTEGER *serial,X509_OBJECT *ret);
int (*get_by_fingerprint)(X509_LOOKUP *ctx,int type,
unsigned char *bytes,int len,
X509_OBJECT *ret);
int (*get_by_alias)(X509_LOOKUP *ctx,int type,char *str,int len,
X509_OBJECT *ret);
} X509_LOOKUP_METHOD;
typedef struct x509_store_state_st X509_STORE_CTX;
/* This is used to hold everything. It is used for all certificate
* validation. Once we have a certificate chain, the 'verify'
* function is then called to actually check the cert chain. */
typedef struct x509_store_st
{
/* The following is a cache of trusted certs */
int cache; /* if true, stash any hits */
#ifdef HEADER_LHASH_H
LHASH *certs; /* cached certs; */
#else
char *certs;
#endif
/* These are external lookup methods */
STACK *get_cert_methods;/* X509_LOOKUP */
int (*verify)(X509_STORE_CTX *ctx); /* called to verify a certificate */
int (*verify_cb)(int ok,X509_STORE_CTX *ctx); /* error callback */
CRYPTO_EX_DATA ex_data;
int references;
int depth; /* how deep to look (still unused) */
} X509_STORE;
#define X509_STORE_set_depth(ctx,d) ((ctx)->depth=(d))
#define X509_STORE_set_verify_cb_func(ctx,func) ((ctx)->verify_cb=(func))
#define X509_STORE_set_verify_func(ctx,func) ((ctx)->verify=(func))
/* This is the functions plus an instance of the local variables. */
struct x509_lookup_st
{
int init; /* have we been started */
int skip; /* don't use us. */
X509_LOOKUP_METHOD *method; /* the functions */
char *method_data; /* method data */
X509_STORE *store_ctx; /* who owns us */
};
/* This is a temporary used when processing cert chains. Since the
* gathering of the cert chain can take some time (and have to be
* 'retried', this needs to be kept and passed around. */
struct x509_store_state_st
{
X509_STORE *ctx;
int current_method; /* used when looking up certs */
/* The following are set by the caller */
X509 *cert; /* The cert to check */
STACK_OF(X509) *untrusted; /* chain of X509s - untrusted - passed in */
/* The following is built up */
int depth; /* how far to go looking up certs */
int valid; /* if 0, rebuild chain */
int last_untrusted; /* index of last untrusted cert */
STACK *chain; /* chain of X509s - built up and trusted */
/* When something goes wrong, this is why */
int error_depth;
int error;
X509 *current_cert;
CRYPTO_EX_DATA ex_data;
};
#define X509_STORE_CTX_set_app_data(ctx,data) \
X509_STORE_CTX_set_ex_data(ctx,0,data)
#define X509_STORE_CTX_get_app_data(ctx) \
X509_STORE_CTX_get_ex_data(ctx,0)
#define X509_L_FILE_LOAD 1
#define X509_L_ADD_DIR 2
X509_LOOKUP_METHOD *X509_LOOKUP_file();
#define X509_LOOKUP_load_file(x,name,type) \
X509_LOOKUP_ctrl((x),X509_L_FILE_LOAD,(name),(long)(type),NULL)
X509_LOOKUP_METHOD *X509_LOOKUP_dir();
#define X509_LOOKUP_add_dir(x,name,type) \
X509_LOOKUP_ctrl((x),X509_L_ADD_DIR,(name),(long)(type),NULL)
#define X509_V_OK 0
#define X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT 2
#define X509_V_ERR_UNABLE_TO_GET_CRL 3
#define X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE 4
#define X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE 5
#define X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY 6
#define X509_V_ERR_CERT_SIGNATURE_FAILURE 7
#define X509_V_ERR_CRL_SIGNATURE_FAILURE 8
#define X509_V_ERR_CERT_NOT_YET_VALID 9
#define X509_V_ERR_CERT_HAS_EXPIRED 10
#define X509_V_ERR_CRL_NOT_YET_VALID 11
#define X509_V_ERR_CRL_HAS_EXPIRED 12
#define X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD 13
#define X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD 14
#define X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD 15
#define X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD 16
#define X509_V_ERR_OUT_OF_MEM 17
#define X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT 18
#define X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN 19
#define X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY 20
#define X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE 21
#define X509_V_ERR_CERT_CHAIN_TOO_LONG 22
#define X509_V_ERR_CERT_REVOKED 23
/* The application is not happy */
#define X509_V_ERR_APPLICATION_VERIFICATION 50
#ifndef NOPROTO
#ifdef HEADER_LHASH_H
X509_OBJECT *X509_OBJECT_retrieve_by_subject(LHASH *h,int type,X509_NAME *name);
#endif
void X509_OBJECT_up_ref_count(X509_OBJECT *a);
void X509_OBJECT_free_contents(X509_OBJECT *a);
X509_STORE *X509_STORE_new(void );
void X509_STORE_free(X509_STORE *v);
void X509_STORE_CTX_init(X509_STORE_CTX *ctx, X509_STORE *store,
X509 *x509, STACK_OF(X509) *chain);
void X509_STORE_CTX_cleanup(X509_STORE_CTX *ctx);
X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *v, X509_LOOKUP_METHOD *m);
X509_LOOKUP_METHOD *X509_LOOKUP_hash_dir(void);
X509_LOOKUP_METHOD *X509_LOOKUP_file(void);
int X509_STORE_add_cert(X509_STORE *ctx, X509 *x);
int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x);
int X509_STORE_get_by_subject(X509_STORE_CTX *vs,int type,X509_NAME *name,
X509_OBJECT *ret);
int X509_LOOKUP_ctrl(X509_LOOKUP *ctx,int cmd,char *argc,long argl,char **ret);
#ifndef NO_STDIO
int X509_load_cert_file(X509_LOOKUP *ctx, const char *file, int type);
int X509_load_crl_file(X509_LOOKUP *ctx, const char *file, int type);
#endif
X509_LOOKUP *X509_LOOKUP_new(X509_LOOKUP_METHOD *method);
void X509_LOOKUP_free(X509_LOOKUP *ctx);
int X509_LOOKUP_init(X509_LOOKUP *ctx);
int X509_LOOKUP_by_subject(X509_LOOKUP *ctx, int type, X509_NAME *name,
X509_OBJECT *ret);
int X509_LOOKUP_by_issuer_serial(X509_LOOKUP *ctx, int type, X509_NAME *name,
ASN1_INTEGER *serial, X509_OBJECT *ret);
int X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, int type,
unsigned char *bytes, int len, X509_OBJECT *ret);
int X509_LOOKUP_by_alias(X509_LOOKUP *ctx, int type, char *str,
int len, X509_OBJECT *ret);
int X509_LOOKUP_shutdown(X509_LOOKUP *ctx);
#ifndef NO_STDIO
int X509_STORE_load_locations (X509_STORE *ctx,
char *file, char *dir);
int X509_STORE_set_default_paths(X509_STORE *ctx);
#endif
int X509_STORE_CTX_get_ex_new_index(long argl, char *argp, int (*new_func)(),
int (*dup_func)(), void (*free_func)());
int X509_STORE_CTX_set_ex_data(X509_STORE_CTX *ctx,int idx,void *data);
void * X509_STORE_CTX_get_ex_data(X509_STORE_CTX *ctx,int idx);
int X509_STORE_CTX_get_error(X509_STORE_CTX *ctx);
void X509_STORE_CTX_set_error(X509_STORE_CTX *ctx,int s);
int X509_STORE_CTX_get_error_depth(X509_STORE_CTX *ctx);
X509 * X509_STORE_CTX_get_current_cert(X509_STORE_CTX *ctx);
STACK * X509_STORE_CTX_get_chain(X509_STORE_CTX *ctx);
void X509_STORE_CTX_set_cert(X509_STORE_CTX *c,X509 *x);
void X509_STORE_CTX_set_chain(X509_STORE_CTX *c,STACK_OF(X509) *sk);
#else
#ifdef HEADER_LHASH_H
X509_OBJECT *X509_OBJECT_retrieve_by_subject();
#endif
void X509_OBJECT_up_ref_count();
void X509_OBJECT_free_contents();
X509_STORE *X509_STORE_new();
void X509_STORE_free();
void X509_STORE_CTX_init();
void X509_STORE_CTX_cleanup();
X509_LOOKUP *X509_STORE_add_lookup();
X509_LOOKUP_METHOD *X509_LOOKUP_hash_dir();
X509_LOOKUP_METHOD *X509_LOOKUP_file();
int X509_STORE_add_cert();
int X509_STORE_add_crl();
int X509_STORE_get_by_subject();
int X509_LOOKUP_ctrl();
#ifndef NO_STDIO
int X509_load_cert_file();
int X509_load_crl_file();
#endif
X509_LOOKUP *X509_LOOKUP_new();
void X509_LOOKUP_free();
int X509_LOOKUP_init();
int X509_LOOKUP_by_subject();
int X509_LOOKUP_by_issuer_serial();
int X509_LOOKUP_by_fingerprint();
int X509_LOOKUP_by_alias();
int X509_LOOKUP_shutdown();
#ifndef NO_STDIO
int X509_STORE_load_locations ();
int X509_STORE_set_default_paths();
#endif
int X509_STORE_CTX_get_ex_new_index();
int X509_STORE_CTX_set_ex_data();
void * X509_STORE_CTX_get_ex_data();
int X509_STORE_CTX_get_error();
void X509_STORE_CTX_set_error();
int X509_STORE_CTX_get_error_depth();
X509 * X509_STORE_CTX_get_current_cert();
STACK * X509_STORE_CTX_get_chain();
void X509_STORE_CTX_set_cert();
void X509_STORE_CTX_set_chain();
#endif
#ifdef __cplusplus
}
#endif
#endif
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