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/* crypto/x509/x509_vfy.h */ /* Copyright (C) 1995-1997 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 /* 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; /* This is a static that defines the function interface */ typedef struct x509_lookup_method_st { char *name; int (*new_item)(); void (*free)(); int (*init)(/* meth, char ** */); int (*shutdown)( /* meth, char ** */); int (*ctrl)( /* meth, char **, int cmd, char *argp, int argi */); int (*get_by_subject)(/* meth, char **, XNAME *, X509 **ret */); int (*get_by_issuer_serial)(); int (*get_by_fingerprint)(); int (*get_by_alias)(); } X509_LOOKUP_METHOD; /* 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)(); /* called to verify a certificate */ int (*verify_cb)(); /* error callback */ char *app_data; int references; int depth; /* how deep to look */ } X509_STORE; #define X509_STORE_set_depth(ctx,depth) ((ctx)->depth=(depth)) #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. */ typedef 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 */ } X509_LOOKUP; /* 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. */ typedef 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 *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; char *app_data; } X509_STORE_CTX; #define X509_STORE_CTX_set_app_data(ctx,data) ((ctx)->app_data=(data)) #define X509_STORE_CTX_get_app_data(ctx) ((ctx)->app_data) #define X509_STORE_CTX_get_error(ctx) ((ctx)->error) #define X509_STORE_CTX_set_error(ctx,s) ((ctx)->error=(s)) #define X509_STORE_CTX_get_error_depth(ctx) ((ctx)->error_depth) #define X509_STORE_CTX_get_current_cert(ctx) ((ctx)->current_cert) #define X509_STORE_CTX_get_chain(ctx) ((ctx)->chain) #define X509_STORE_CTX_set_cert(c,ch) ((c)->cert=(ch)) #define X509_STORE_CTX_set_chain(c,ch) ((c)->untrusted=(ch)) #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_FILED 15 #define X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FILED 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 #ifndef NOPROTO #ifdef HEADER_LHASH_H X509_OBJECT *X509_OBJECT_retrive_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 *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_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); int X509_load_cert_file(X509_LOOKUP *ctx, char *file, int type); void X509v3_cleanup_extensions(void ); int X509v3_add_extension(X509_EXTENSION_METHOD *x); int X509v3_add_netscape_extensions(void ); int X509v3_add_standard_extensions(void ); 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); int X509_STORE_load_locations (X509_STORE *ctx, char *file, char *dir); int X509_STORE_set_default_paths(X509_STORE *ctx); #else #ifdef HEADER_LHASH_H X509_OBJECT *X509_OBJECT_retrive_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_get_by_subject(); int X509_LOOKUP_ctrl(); int X509_load_cert_file(); void X509v3_cleanup_extensions(); int X509v3_add_extension(); int X509v3_add_netscape_extensions(); int X509v3_add_standard_extensions(); 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(); int X509_STORE_load_locations (); int X509_STORE_set_default_paths(); #endif #ifdef __cplusplus } #endif #endif
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