gcc 4.2 fixes to avoid use or function pointer casts in OpenSSL.
[openssl.git] / crypto / asn1 / asn1.h
index dbf0f636e2a32cebfdd36a3e22793445836a5c7d..f15131ea3e1c89c13cb226179fd4c702e7260687 100644 (file)
 #ifndef OPENSSL_NO_BIO
 #include <openssl/bio.h>
 #endif
-#include <openssl/bn.h>
 #include <openssl/stack.h>
 #include <openssl/safestack.h>
 
 #include <openssl/symhacks.h>
 
 #include <openssl/ossl_typ.h>
+#ifndef OPENSSL_NO_DEPRECATED
+#include <openssl/bn.h>
+#endif
 
 #ifdef OPENSSL_BUILD_SHLIBCRYPTO
 # undef OPENSSL_EXTERN
@@ -147,13 +149,14 @@ extern "C" {
 #define B_ASN1_UTF8STRING      0x2000
 #define B_ASN1_UTCTIME         0x4000
 #define B_ASN1_GENERALIZEDTIME 0x8000
+#define B_ASN1_SEQUENCE                0x10000
 
 /* For use with ASN1_mbstring_copy() */
 #define MBSTRING_FLAG          0x1000
+#define MBSTRING_UTF8          (MBSTRING_FLAG)
 #define MBSTRING_ASC           (MBSTRING_FLAG|1)
 #define MBSTRING_BMP           (MBSTRING_FLAG|2)
-#define MBSTRING_UNIV          (MBSTRING_FLAG|3)
-#define MBSTRING_UTF8          (MBSTRING_FLAG|4)
+#define MBSTRING_UNIV          (MBSTRING_FLAG|4)
 
 struct X509_algor_st;
 
@@ -315,6 +318,27 @@ typedef struct ASN1_VALUE_st ASN1_VALUE;
        type *name##_new(void); \
        void name##_free(type *a);
 
+#define D2I_OF(type) type *(*)(type **,const unsigned char **,long)
+#define I2D_OF(type) int (*)(type *,unsigned char **)
+#define I2D_OF_const(type) int (*)(const type *,unsigned char **)
+
+#define CHECKED_D2I_OF(type, d2i) \
+    ((d2i_of_void*) (1 ? d2i : ((D2I_OF(type))0)))
+#define CHECKED_I2D_OF(type, i2d) \
+    ((i2d_of_void*) (1 ? i2d : ((I2D_OF(type))0)))
+#define CHECKED_NEW_OF(type, xnew) \
+    ((void *(*)(void)) (1 ? xnew : ((type *(*)(void))0)))
+#define CHECKED_PTR_OF(type, p) \
+    ((void*) (1 ? p : (type*)0))
+#define CHECKED_PPTR_OF(type, p) \
+    ((void**) (1 ? p : (type**)0))
+
+#define TYPEDEF_D2I_OF(type) typedef type *d2i_of_##type(type **,const unsigned char **,long)
+#define TYPEDEF_I2D_OF(type) typedef int i2d_of_##type(type *,unsigned char **)
+#define TYPEDEF_D2I2D_OF(type) TYPEDEF_D2I_OF(type); TYPEDEF_I2D_OF(type)
+
+TYPEDEF_D2I2D_OF(void);
+
 /* The following macros and typedefs allow an ASN1_ITEM
  * to be embedded in a structure and referenced. Since
  * the ASN1_ITEM pointers need to be globally accessible
@@ -506,17 +530,17 @@ DECLARE_ASN1_SET_OF(ASN1_TYPE)
 
 typedef struct asn1_method_st
        {
-       int (*i2d)();
-       char *(*d2i)();
-       char *(*create)();
-       void (*destroy)();
+       i2d_of_void *i2d;
+       d2i_of_void *d2i;
+       void *(*create)(void);
+       void (*destroy)(void *);
        } ASN1_METHOD;
 
 /* This is used when parsing some Netscape objects */
 typedef struct asn1_header_st
        {
        ASN1_OCTET_STRING *header;
-       char *data;
+       void *data;
        ASN1_METHOD *meth;
        } ASN1_HEADER;
 
@@ -582,6 +606,7 @@ typedef struct BIT_STRING_BITNAME_st {
                        B_ASN1_UNIVERSALSTRING|\
                        B_ASN1_BMPSTRING|\
                        B_ASN1_UTF8STRING|\
+                       B_ASN1_SEQUENCE|\
                        B_ASN1_UNKNOWN
 
 #define B_ASN1_DIRECTORYSTRING \
@@ -829,11 +854,11 @@ ASN1_TIME *ASN1_TIME_set(ASN1_TIME *s,time_t t);
 int ASN1_TIME_check(ASN1_TIME *t);
 ASN1_GENERALIZEDTIME *ASN1_TIME_to_generalizedtime(ASN1_TIME *t, ASN1_GENERALIZEDTIME **out);
 
-int            i2d_ASN1_SET(STACK *a, unsigned char **pp,
-                       int (*func)(), int ex_tag, int ex_class, int is_set);
-STACK *                d2i_ASN1_SET(STACK **a, const unsigned char **pp, long length,
-                       char *(*func)(), void (*free_func)(void *),
-                       int ex_tag, int ex_class);
+int i2d_ASN1_SET(STACK *a, unsigned char **pp,
+                i2d_of_void *i2d, int ex_tag, int ex_class, int is_set);
+STACK *        d2i_ASN1_SET(STACK **a, const unsigned char **pp, long length,
+                    d2i_of_void *d2i, void (*free_func)(void *),
+                    int ex_tag, int ex_class);
 
 #ifndef OPENSSL_NO_BIO
 int i2a_ASN1_INTEGER(BIO *bp, ASN1_INTEGER *a);
@@ -862,7 +887,7 @@ BIGNUM *ASN1_ENUMERATED_to_BN(ASN1_ENUMERATED *ai,BIGNUM *bn);
 
 /* General */
 /* given a string, return the correct type, max is the maximum length */
-int ASN1_PRINTABLE_type(unsigned char *s, int max);
+int ASN1_PRINTABLE_type(const unsigned char *s, int max);
 
 int i2d_ASN1_bytes(ASN1_STRING *a, unsigned char **pp, int tag, int xclass);
 ASN1_STRING *d2i_ASN1_bytes(ASN1_STRING **a, const unsigned char **pp,
@@ -887,14 +912,42 @@ int ASN1_put_eoc(unsigned char **pp);
 int ASN1_object_size(int constructed, int length, int tag);
 
 /* Used to implement other functions */
-char *ASN1_dup(int (*i2d)(),char *(*d2i)(),char *x);
+void *ASN1_dup(i2d_of_void *i2d, d2i_of_void *d2i, char *x);
+
+#define ASN1_dup_of(type,i2d,d2i,x) \
+    ((type*)ASN1_dup(CHECKED_I2D_OF(type, i2d), \
+                    CHECKED_D2I_OF(type, d2i), \
+                    CHECKED_PTR_OF(type, x)))
+
+#define ASN1_dup_of_const(type,i2d,d2i,x) \
+    ((type*)ASN1_dup(CHECKED_I2D_OF(const type, i2d), \
+                    CHECKED_D2I_OF(type, d2i), \
+                    CHECKED_PTR_OF(const type, x)))
 
 void *ASN1_item_dup(const ASN1_ITEM *it, void *x);
 
 #ifndef OPENSSL_NO_FP_API
-char *ASN1_d2i_fp(char *(*xnew)(),char *(*d2i)(),FILE *fp,unsigned char **x);
+void *ASN1_d2i_fp(void *(*xnew)(void), d2i_of_void *d2i, FILE *in, void **x);
+
+#define ASN1_d2i_fp_of(type,xnew,d2i,in,x) \
+    ((type*)ASN1_d2i_fp(CHECKED_NEW_OF(type, xnew), \
+                       CHECKED_D2I_OF(type, d2i), \
+                       in, \
+                       CHECKED_PPTR_OF(type, x)))
+
 void *ASN1_item_d2i_fp(const ASN1_ITEM *it, FILE *in, void *x);
-int ASN1_i2d_fp(int (*i2d)(),FILE *out,unsigned char *x);
+int ASN1_i2d_fp(i2d_of_void *i2d,FILE *out,void *x);
+
+#define ASN1_i2d_fp_of(type,i2d,out,x) \
+    (ASN1_i2d_fp(CHECKED_I2D_OF(type, i2d), \
+                out, \
+                CHECKED_PTR_OF(type, x)))
+
+#define ASN1_i2d_fp_of_const(type,i2d,out,x) \
+    (ASN1_i2d_fp(CHECKED_I2D_OF(const type, i2d), \
+                out, \
+                CHECKED_PTR_OF(const type, x)))
+
 int ASN1_item_i2d_fp(const ASN1_ITEM *it, FILE *out, void *x);
 int ASN1_STRING_print_ex_fp(FILE *fp, ASN1_STRING *str, unsigned long flags);
 #endif
@@ -902,9 +955,27 @@ int ASN1_STRING_print_ex_fp(FILE *fp, ASN1_STRING *str, unsigned long flags);
 int ASN1_STRING_to_UTF8(unsigned char **out, ASN1_STRING *in);
 
 #ifndef OPENSSL_NO_BIO
-char *ASN1_d2i_bio(char *(*xnew)(),char *(*d2i)(),BIO *bp,unsigned char **x);
+void *ASN1_d2i_bio(void *(*xnew)(void), d2i_of_void *d2i, BIO *in, void **x);
+
+#define ASN1_d2i_bio_of(type,xnew,d2i,in,x) \
+    ((type*)ASN1_d2i_bio( CHECKED_NEW_OF(type, xnew), \
+                         CHECKED_D2I_OF(type, d2i), \
+                         in, \
+                         CHECKED_PPTR_OF(type, x)))
+
 void *ASN1_item_d2i_bio(const ASN1_ITEM *it, BIO *in, void *x);
-int ASN1_i2d_bio(int (*i2d)(),BIO *out,unsigned char *x);
+int ASN1_i2d_bio(i2d_of_void *i2d,BIO *out, unsigned char *x);
+
+#define ASN1_i2d_bio_of(type,i2d,out,x) \
+    (ASN1_i2d_bio(CHECKED_I2D_OF(type, i2d), \
+                 out, \
+                 CHECKED_PTR_OF(type, x)))
+
+#define ASN1_i2d_bio_of_const(type,i2d,out,x) \
+    (ASN1_i2d_bio(CHECKED_I2D_OF(const type, i2d), \
+                 out, \
+                 CHECKED_PTR_OF(const type, x)))
+
 int ASN1_item_i2d_bio(const ASN1_ITEM *it, BIO *out, void *x);
 int ASN1_UTCTIME_print(BIO *fp,ASN1_UTCTIME *a);
 int ASN1_GENERALIZEDTIME_print(BIO *fp,ASN1_GENERALIZEDTIME *a);
@@ -939,13 +1010,20 @@ int ASN1_TYPE_set_int_octetstring(ASN1_TYPE *a, long num,
 int ASN1_TYPE_get_int_octetstring(ASN1_TYPE *a,long *num,
        unsigned char *data, int max_len);
 
-STACK *ASN1_seq_unpack(const unsigned char *buf, int len, char *(*d2i)(),
-                                                void (*free_func)(void *) );
-unsigned char *ASN1_seq_pack(STACK *safes, int (*i2d)(), unsigned char **buf,
-                            int *len );
-void *ASN1_unpack_string(ASN1_STRING *oct, char *(*d2i)());
+STACK *ASN1_seq_unpack(const unsigned char *buf, int len,
+                      d2i_of_void *d2i, void (*free_func)(void *));
+unsigned char *ASN1_seq_pack(STACK *safes, i2d_of_void *i2d,
+                            unsigned char **buf, int *len );
+void *ASN1_unpack_string(ASN1_STRING *oct, d2i_of_void *d2i);
 void *ASN1_item_unpack(ASN1_STRING *oct, const ASN1_ITEM *it);
-ASN1_STRING *ASN1_pack_string(void *obj, int (*i2d)(), ASN1_OCTET_STRING **oct);
+ASN1_STRING *ASN1_pack_string(void *obj, i2d_of_void *i2d,
+                             ASN1_OCTET_STRING **oct);
+
+#define ASN1_pack_string_of(type,obj,i2d,oct) \
+    (ASN1_pack_string(CHECKED_PTR_OF(type, obj), \
+                     CHECKED_I2D_OF(type, i2d), \
+                     oct))
+
 ASN1_STRING *ASN1_item_pack(void *obj, const ASN1_ITEM *it, ASN1_OCTET_STRING **oct);
 
 void ASN1_STRING_set_default_mask(unsigned long mask);
@@ -990,18 +1068,23 @@ void ERR_load_ASN1_strings(void);
 #define ASN1_F_A2I_ASN1_ENUMERATED                      101
 #define ASN1_F_A2I_ASN1_INTEGER                                 102
 #define ASN1_F_A2I_ASN1_STRING                          103
-#define ASN1_F_APPEND_TAG                               176
+#define ASN1_F_APPEND_EXP                               176
+#define ASN1_F_ASN1_BIT_STRING_SET_BIT                  183
 #define ASN1_F_ASN1_CB                                  177
 #define ASN1_F_ASN1_CHECK_TLEN                          104
 #define ASN1_F_ASN1_COLLATE_PRIMITIVE                   105
 #define ASN1_F_ASN1_COLLECT                             106
-#define ASN1_F_ASN1_D2I_BIO                             107
 #define ASN1_F_ASN1_D2I_EX_PRIMITIVE                    108
 #define ASN1_F_ASN1_D2I_FP                              109
+#define ASN1_F_ASN1_D2I_READ_BIO                        107
+#define ASN1_F_ASN1_DIGEST                              184
 #define ASN1_F_ASN1_DO_ADB                              110
 #define ASN1_F_ASN1_DUP                                         111
 #define ASN1_F_ASN1_ENUMERATED_SET                      112
 #define ASN1_F_ASN1_ENUMERATED_TO_BN                    113
+#define ASN1_F_ASN1_EX_C2I                              204
+#define ASN1_F_ASN1_FIND_END                            190
+#define ASN1_F_ASN1_GENERALIZEDTIME_SET                         185
 #define ASN1_F_ASN1_GENERATE_V3                                 178
 #define ASN1_F_ASN1_GET_OBJECT                          114
 #define ASN1_F_ASN1_HEADER_NEW                          115
@@ -1009,29 +1092,43 @@ void ERR_load_ASN1_strings(void);
 #define ASN1_F_ASN1_I2D_FP                              117
 #define ASN1_F_ASN1_INTEGER_SET                                 118
 #define ASN1_F_ASN1_INTEGER_TO_BN                       119
+#define ASN1_F_ASN1_ITEM_D2I_FP                                 206
+#define ASN1_F_ASN1_ITEM_DUP                            191
+#define ASN1_F_ASN1_ITEM_EX_COMBINE_NEW                         121
 #define ASN1_F_ASN1_ITEM_EX_D2I                                 120
-#define ASN1_F_ASN1_ITEM_NEW                            121
-#define ASN1_F_ASN1_MBSTRING_COPY                       122
+#define ASN1_F_ASN1_ITEM_I2D_BIO                        192
+#define ASN1_F_ASN1_ITEM_I2D_FP                                 193
+#define ASN1_F_ASN1_ITEM_PACK                           198
+#define ASN1_F_ASN1_ITEM_SIGN                           195
+#define ASN1_F_ASN1_ITEM_UNPACK                                 199
+#define ASN1_F_ASN1_ITEM_VERIFY                                 197
+#define ASN1_F_ASN1_MBSTRING_NCOPY                      122
 #define ASN1_F_ASN1_OBJECT_NEW                          123
 #define ASN1_F_ASN1_PACK_STRING                                 124
-#define ASN1_F_ASN1_PBE_SET                             125
+#define ASN1_F_ASN1_PCTX_NEW                            205
+#define ASN1_F_ASN1_PKCS5_PBE_SET                       125
 #define ASN1_F_ASN1_SEQ_PACK                            126
 #define ASN1_F_ASN1_SEQ_UNPACK                          127
 #define ASN1_F_ASN1_SIGN                                128
 #define ASN1_F_ASN1_STR2TYPE                            179
+#define ASN1_F_ASN1_STRING_SET                          186
 #define ASN1_F_ASN1_STRING_TABLE_ADD                    129
 #define ASN1_F_ASN1_STRING_TYPE_NEW                     130
-#define ASN1_F_ASN1_TEMPLATE_D2I                        131
 #define ASN1_F_ASN1_TEMPLATE_EX_D2I                     132
 #define ASN1_F_ASN1_TEMPLATE_NEW                        133
+#define ASN1_F_ASN1_TEMPLATE_NOEXP_D2I                  131
 #define ASN1_F_ASN1_TIME_SET                            175
 #define ASN1_F_ASN1_TYPE_GET_INT_OCTETSTRING            134
 #define ASN1_F_ASN1_TYPE_GET_OCTETSTRING                135
 #define ASN1_F_ASN1_UNPACK_STRING                       136
+#define ASN1_F_ASN1_UTCTIME_SET                                 187
 #define ASN1_F_ASN1_VERIFY                              137
 #define ASN1_F_BITSTR_CB                                180
 #define ASN1_F_BN_TO_ASN1_ENUMERATED                    138
 #define ASN1_F_BN_TO_ASN1_INTEGER                       139
+#define ASN1_F_C2I_ASN1_BIT_STRING                      189
+#define ASN1_F_C2I_ASN1_INTEGER                                 194
+#define ASN1_F_C2I_ASN1_OBJECT                          196
 #define ASN1_F_COLLECT_DATA                             140
 #define ASN1_F_D2I_ASN1_BIT_STRING                      141
 #define ASN1_F_D2I_ASN1_BOOLEAN                                 142
@@ -1048,25 +1145,30 @@ void ERR_load_ASN1_strings(void);
 #define ASN1_F_D2I_NETSCAPE_RSA_2                       153
 #define ASN1_F_D2I_PRIVATEKEY                           154
 #define ASN1_F_D2I_PUBLICKEY                            155
+#define ASN1_F_D2I_RSA_NET                              200
+#define ASN1_F_D2I_RSA_NET_2                            201
 #define ASN1_F_D2I_X509                                         156
 #define ASN1_F_D2I_X509_CINF                            157
-#define ASN1_F_D2I_X509_NAME                            158
 #define ASN1_F_D2I_X509_PKEY                            159
+#define ASN1_F_I2D_ASN1_SET                             188
 #define ASN1_F_I2D_ASN1_TIME                            160
 #define ASN1_F_I2D_DSA_PUBKEY                           161
 #define ASN1_F_I2D_EC_PUBKEY                            181
-#define ASN1_F_I2D_NETSCAPE_RSA                                 162
 #define ASN1_F_I2D_PRIVATEKEY                           163
 #define ASN1_F_I2D_PUBLICKEY                            164
+#define ASN1_F_I2D_RSA_NET                              162
 #define ASN1_F_I2D_RSA_PUBKEY                           165
 #define ASN1_F_LONG_C2I                                         166
 #define ASN1_F_OID_MODULE_INIT                          174
 #define ASN1_F_PARSE_TAGGING                            182
 #define ASN1_F_PKCS5_PBE2_SET                           167
+#define ASN1_F_PKCS5_PBE_SET                            202
 #define ASN1_F_X509_CINF_NEW                            168
 #define ASN1_F_X509_CRL_ADD0_REVOKED                    169
 #define ASN1_F_X509_INFO_NEW                            170
-#define ASN1_F_X509_NAME_NEW                            171
+#define ASN1_F_X509_NAME_ENCODE                                 203
+#define ASN1_F_X509_NAME_EX_D2I                                 158
+#define ASN1_F_X509_NAME_EX_NEW                                 171
 #define ASN1_F_X509_NEW                                         172
 #define ASN1_F_X509_PKEY_NEW                            173
 
@@ -1132,6 +1234,7 @@ void ERR_load_ASN1_strings(void);
 #define ASN1_R_MISSING_VALUE                            189
 #define ASN1_R_MSTRING_NOT_UNIVERSAL                    139
 #define ASN1_R_MSTRING_WRONG_TAG                        140
+#define ASN1_R_NESTED_ASN1_STRING                       197
 #define ASN1_R_NON_HEX_CHARACTERS                       141
 #define ASN1_R_NOT_ASCII_FORMAT                                 190
 #define ASN1_R_NOT_ENOUGH_DATA                          142