* [including the GNU Public Licence.]
*/
+#ifndef HEADER_X509_H
+#include <openssl/x509.h>
+/* openssl/x509.h ends up #include-ing this file at about the only
+ * appropriate moment. */
+#endif
+
#ifndef HEADER_X509_VFY_H
#define HEADER_X509_VFY_H
-#ifdef __cplusplus
-extern "C" {
+#ifndef OPENSSL_NO_LHASH
+#include <openssl/lhash.h>
#endif
-
#include <openssl/bio.h>
#include <openssl/crypto.h>
+#include <openssl/symhacks.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
/* Outer object */
typedef struct x509_hash_dir_st
typedef struct x509_lookup_st X509_LOOKUP;
+DECLARE_STACK_OF(X509_LOOKUP)
+DECLARE_STACK_OF(X509_OBJECT)
+
/* This is a static that defines the function interface */
typedef struct x509_lookup_method_st
{
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 (*ctrl)(X509_LOOKUP *ctx,int cmd,const 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,
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
+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
+ STACK_OF(X509_OBJECT) *objs; /* Cache of all objects */
/* These are external lookup methods */
- STACK *get_cert_methods;/* X509_LOOKUP */
+ STACK_OF(X509_LOOKUP) *get_cert_methods;
+
+ /* The following fields are not used by X509_STORE but are
+ * inherited by X509_STORE_CTX when it is initialised.
+ */
+
+ unsigned long flags; /* Various verify flags */
+ int purpose;
+ int trust;
+ /* Callbacks for various operations */
int (*verify)(X509_STORE_CTX *ctx); /* called to verify a certificate */
int (*verify_cb)(int ok,X509_STORE_CTX *ctx); /* error callback */
+ int (*get_issuer)(X509 **issuer, X509_STORE_CTX *ctx, X509 *x); /* get issuers cert from ctx */
+ int (*check_issued)(X509_STORE_CTX *ctx, X509 *x, X509 *issuer); /* check issued */
+ int (*check_revocation)(X509_STORE_CTX *ctx); /* Check revocation status of chain */
+ int (*get_crl)(X509_STORE_CTX *ctx, X509_CRL **crl, X509 *x); /* retrieve CRL */
+ int (*check_crl)(X509_STORE_CTX *ctx, X509_CRL *crl); /* Check CRL validity */
+ int (*cert_crl)(X509_STORE_CTX *ctx, X509_CRL *crl, X509 *x); /* Check certificate against CRL */
+ int (*cleanup)(X509_STORE_CTX *ctx);
CRYPTO_EX_DATA ex_data;
int references;
- int depth; /* how deep to look (still unused) */
- } X509_STORE;
+ int depth; /* how deep to look (still unused -- X509_STORE_CTX's depth is used) */
+ } /* X509_STORE */;
#define X509_STORE_set_depth(ctx,d) ((ctx)->depth=(d))
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
+/* This is a used when verifying 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
+struct x509_store_ctx_st /* X509_STORE_CTX */
{
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 */
+ int purpose; /* purpose to check untrusted certificates */
+ int trust; /* trust setting to check */
+ time_t check_time; /* time to make verify at */
+ unsigned long flags; /* Various verify flags */
+ void *other_ctx; /* Other info for use with get_issuer() */
+
+ /* Callbacks for various operations */
+ int (*verify)(X509_STORE_CTX *ctx); /* called to verify a certificate */
+ int (*verify_cb)(int ok,X509_STORE_CTX *ctx); /* error callback */
+ int (*get_issuer)(X509 **issuer, X509_STORE_CTX *ctx, X509 *x); /* get issuers cert from ctx */
+ int (*check_issued)(X509_STORE_CTX *ctx, X509 *x, X509 *issuer); /* check issued */
+ int (*check_revocation)(X509_STORE_CTX *ctx); /* Check revocation status of chain */
+ int (*get_crl)(X509_STORE_CTX *ctx, X509_CRL **crl, X509 *x); /* retrieve CRL */
+ int (*check_crl)(X509_STORE_CTX *ctx, X509_CRL *crl); /* Check CRL validity */
+ int (*cert_crl)(X509_STORE_CTX *ctx, X509_CRL *crl, X509 *x); /* Check certificate against CRL */
+ int (*cleanup)(X509_STORE_CTX *ctx);
/* 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 */
+ STACK_OF(X509) *chain; /* chain of X509s - built up and trusted */
/* When something goes wrong, this is why */
int error_depth;
int error;
X509 *current_cert;
+ X509 *current_issuer; /* cert currently being tested as valid issuer */
+ X509_CRL *current_crl; /* current CRL */
CRYPTO_EX_DATA ex_data;
- };
+ } /* X509_STORE_CTX */;
+
+#define X509_STORE_CTX_set_depth(ctx,d) ((ctx)->depth=(d))
#define X509_STORE_CTX_set_app_data(ctx,data) \
X509_STORE_CTX_set_ex_data(ctx,0,data)
#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
+/* illegal error (for uninitialized values, to avoid X509_V_OK): 1 */
#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_VERIFY_LEAF_SIGNATURE 21
#define X509_V_ERR_CERT_CHAIN_TOO_LONG 22
#define X509_V_ERR_CERT_REVOKED 23
+#define X509_V_ERR_INVALID_CA 24
+#define X509_V_ERR_PATH_LENGTH_EXCEEDED 25
+#define X509_V_ERR_INVALID_PURPOSE 26
+#define X509_V_ERR_CERT_UNTRUSTED 27
+#define X509_V_ERR_CERT_REJECTED 28
+/* These are 'informational' when looking for issuer cert */
+#define X509_V_ERR_SUBJECT_ISSUER_MISMATCH 29
+#define X509_V_ERR_AKID_SKID_MISMATCH 30
+#define X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH 31
+#define X509_V_ERR_KEYUSAGE_NO_CERTSIGN 32
+
+#define X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER 33
+#define X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION 34
/* 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
+/* Certificate verify flags */
+
+#define X509_V_FLAG_CB_ISSUER_CHECK 0x1 /* Send issuer+subject checks to verify_cb */
+#define X509_V_FLAG_USE_CHECK_TIME 0x2 /* Use check time instead of current time */
+#define X509_V_FLAG_CRL_CHECK 0x4 /* Lookup CRLs */
+#define X509_V_FLAG_CRL_CHECK_ALL 0x8 /* Lookup CRLs for whole chain */
+#define X509_V_FLAG_IGNORE_CRITICAL 0x10 /* Ignore unhandled critical extensions */
+
+int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h, int type,
+ X509_NAME *name);
+X509_OBJECT *X509_OBJECT_retrieve_by_subject(STACK_OF(X509_OBJECT) *h,int type,X509_NAME *name);
+X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h, X509_OBJECT *x);
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,
+void X509_STORE_set_flags(X509_STORE *ctx, long flags);
+int X509_STORE_set_purpose(X509_STORE *ctx, int purpose);
+int X509_STORE_set_trust(X509_STORE *ctx, int trust);
+
+X509_STORE_CTX *X509_STORE_CTX_new(void);
+
+int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x);
+
+void X509_STORE_CTX_free(X509_STORE_CTX *ctx);
+int X509_STORE_CTX_init(X509_STORE_CTX *ctx, X509_STORE *store,
X509 *x509, STACK_OF(X509) *chain);
+void X509_STORE_CTX_trusted_stack(X509_STORE_CTX *ctx, STACK_OF(X509) *sk);
void X509_STORE_CTX_cleanup(X509_STORE_CTX *ctx);
X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *v, X509_LOOKUP_METHOD *m);
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_LOOKUP_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc,
+ long argl, char **ret);
-#ifndef NO_STDIO
+#ifndef OPENSSL_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);
+int X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file, int type);
#endif
int len, X509_OBJECT *ret);
int X509_LOOKUP_shutdown(X509_LOOKUP *ctx);
-#ifndef NO_STDIO
+#ifndef OPENSSL_NO_STDIO
int X509_STORE_load_locations (X509_STORE *ctx,
- char *file, char *dir);
+ const char *file, const 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_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
+ CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *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);
+STACK_OF(X509) *X509_STORE_CTX_get_chain(X509_STORE_CTX *ctx);
+STACK_OF(X509) *X509_STORE_CTX_get1_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
+int X509_STORE_CTX_set_purpose(X509_STORE_CTX *ctx, int purpose);
+int X509_STORE_CTX_set_trust(X509_STORE_CTX *ctx, int trust);
+int X509_STORE_CTX_purpose_inherit(X509_STORE_CTX *ctx, int def_purpose,
+ int purpose, int trust);
+void X509_STORE_CTX_set_flags(X509_STORE_CTX *ctx, long flags);
+void X509_STORE_CTX_set_time(X509_STORE_CTX *ctx, long flags, time_t t);
+void X509_STORE_CTX_set_verify_cb(X509_STORE_CTX *ctx,
+ int (*verify_cb)(int, X509_STORE_CTX *));
#ifdef __cplusplus
}
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