Safe stack reorganisation in terms of function casts.
[openssl.git] / crypto / x509 / x509_vfy.h
index fd70b74961deede8e80738efadcf021b775b11f8..cc0bd3dbc258a9d9615866b0916098e41c30b73a 100644 (file)
  * [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
 
+#ifndef NO_LHASH
+#include <openssl/lhash.h>
+#endif
+#include <openssl/bio.h>
+#include <openssl/crypto.h>
+
 #ifdef  __cplusplus
 extern "C" {
 #endif
 
-#include "bio.h"
-#include "crypto.h"
-
 /* Outer object */
 typedef struct x509_hash_dir_st
        {
@@ -121,6 +130,8 @@ typedef struct x509_object_st
 
 typedef struct x509_lookup_st X509_LOOKUP;
 
+DECLARE_STACK_OF(X509_LOOKUP)
+
 /* This is a static that defines the function interface */
 typedef struct x509_lookup_method_st
        {
@@ -129,7 +140,8 @@ 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,
@@ -150,20 +162,20 @@ typedef struct x509_store_st
        {
        /* The following is a cache of trusted certs */
        int cache;      /* if true, stash any hits */
-#ifdef HEADER_LHASH_H
+#ifndef NO_LHASH
        LHASH *certs;   /* cached certs; */ 
 #else
        char *certs;
 #endif
 
        /* These are external lookup methods */
-       STACK *get_cert_methods;/* X509_LOOKUP */
+       STACK_OF(X509_LOOKUP) *get_cert_methods;
        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) */
+       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))
@@ -185,7 +197,7 @@ struct x509_lookup_st
 /* 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
+struct x509_store_state_st      /* X509_STORE_CTX */
        {
        X509_STORE *ctx;
        int current_method;     /* used when looking up certs */
@@ -193,12 +205,14 @@ struct x509_store_state_st
        /* 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 */
 
        /* 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;
@@ -208,6 +222,8 @@ struct x509_store_state_st
        CRYPTO_EX_DATA ex_data;
        };
 
+#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_STORE_CTX_get_app_data(ctx) \
@@ -216,15 +232,14 @@ struct x509_store_state_st
 #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
@@ -248,12 +263,31 @@ X509_LOOKUP_METHOD *X509_LOOKUP_dir();
 #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
 
 /* The application is not happy */
 #define                X509_V_ERR_APPLICATION_VERIFICATION             50
 
-#ifndef NOPROTO
-#ifdef HEADER_LHASH_H
+                 /* These functions are being redefined in another directory,
+                    and clash when the linker is case-insensitive, so let's
+                    hide them a little, by giving them an extra 'o' at the
+                    beginning of the name... */
+#ifdef VMS
+#undef X509v3_cleanup_extensions
+#define X509v3_cleanup_extensions oX509v3_cleanup_extensions
+#undef X509v3_add_extension
+#define X509v3_add_extension oX509v3_add_extension
+#undef X509v3_add_netscape_extensions
+#define X509v3_add_netscape_extensions oX509v3_add_netscape_extensions
+#undef X509v3_add_standard_extensions
+#define X509v3_add_standard_extensions oX509v3_add_standard_extensions
+#endif
+
+#ifndef NO_LHASH
 X509_OBJECT *X509_OBJECT_retrieve_by_subject(LHASH *h,int type,X509_NAME *name);
 #endif
 void X509_OBJECT_up_ref_count(X509_OBJECT *a);
@@ -261,6 +295,8 @@ void X509_OBJECT_free_contents(X509_OBJECT *a);
 X509_STORE *X509_STORE_new(void );
 void X509_STORE_free(X509_STORE *v);
 
+X509_STORE_CTX *X509_STORE_CTX_new(void);
+void X509_STORE_CTX_free(X509_STORE_CTX *ctx);
 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);
@@ -276,11 +312,13 @@ 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);
+int X509_LOOKUP_ctrl(X509_LOOKUP *ctx, int cmd, const 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);
+int X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file, int type);
 #endif
 
 
@@ -299,78 +337,26 @@ int X509_LOOKUP_shutdown(X509_LOOKUP *ctx);
 
 #ifndef 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);
 
 #ifdef  __cplusplus
 }