New ASN1 macros which will encode an empty SEQUENCE OF.
[oweals/openssl.git] / crypto / asn1 / x_crl.c
index bf13df81618dfddc65f7d4220f3a35ac9251f859..9f200a763172807fb4efe069bc7ee12079da900a 100644 (file)
 
 #include <stdio.h>
 #include "cryptlib.h"
-#include <openssl/asn1t.h>
+#include <openssl/asn1_mac.h>
 #include <openssl/x509.h>
 
 static int X509_REVOKED_cmp(const X509_REVOKED * const *a,
                                const X509_REVOKED * const *b);
 static int X509_REVOKED_seq_cmp(const X509_REVOKED * const *a,
                                const X509_REVOKED * const *b);
+int i2d_X509_REVOKED(X509_REVOKED *a, unsigned char **pp)
+       {
+       M_ASN1_I2D_vars(a);
 
-ASN1_SEQUENCE(X509_REVOKED) = {
-       ASN1_SIMPLE(X509_REVOKED,serialNumber, ASN1_INTEGER),
-       ASN1_SIMPLE(X509_REVOKED,revocationDate, ASN1_TIME),
-       ASN1_SEQUENCE_OF_OPT(X509_REVOKED,extensions, X509_EXTENSION)
-} ASN1_SEQUENCE_END(X509_REVOKED);
-
-/* The X509_CRL_INFO structure needs a bit of customisation. This is actually
- * mirroring the old behaviour: its purpose is to allow the use of
- * sk_X509_REVOKED_find to lookup revoked certificates. Unfortunately
- * this will zap the original order and the signature so we keep a copy
- * of the original positions and reorder appropriately before encoding.
- *
- * Might want to see if there's a better way of doing this later...
- */
-static int crl_inf_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it)
-{
-       X509_CRL_INFO *a = (X509_CRL_INFO *)*pval;
-       int i;
+       M_ASN1_I2D_len(a->serialNumber,i2d_ASN1_INTEGER);
+       M_ASN1_I2D_len(a->revocationDate,i2d_ASN1_TIME);
+       M_ASN1_I2D_len_SEQUENCE_opt_ex_type(X509_EXTENSION,a->extensions,
+                                        i2d_X509_EXTENSION);
+
+       M_ASN1_I2D_seq_total();
+
+       M_ASN1_I2D_put(a->serialNumber,i2d_ASN1_INTEGER);
+       M_ASN1_I2D_put(a->revocationDate,i2d_ASN1_TIME);
+       M_ASN1_I2D_put_SEQUENCE_opt_ex_type(X509_EXTENSION,a->extensions,
+                                        i2d_X509_EXTENSION);
+
+       M_ASN1_I2D_finish();
+       }
+
+X509_REVOKED *d2i_X509_REVOKED(X509_REVOKED **a, unsigned char **pp,
+            long length)
+       {
+       M_ASN1_D2I_vars(a,X509_REVOKED *,X509_REVOKED_new);
+
+       M_ASN1_D2I_Init();
+       M_ASN1_D2I_start_sequence();
+       M_ASN1_D2I_get(ret->serialNumber,d2i_ASN1_INTEGER);
+       M_ASN1_D2I_get(ret->revocationDate,d2i_ASN1_TIME);
+       M_ASN1_D2I_get_seq_opt_type(X509_EXTENSION,ret->extensions,
+                                   d2i_X509_EXTENSION,X509_EXTENSION_free);
+       M_ASN1_D2I_Finish(a,X509_REVOKED_free,ASN1_F_D2I_X509_REVOKED);
+       }
+
+int i2d_X509_CRL_INFO(X509_CRL_INFO *a, unsigned char **pp)
+       {
+       int v1=0;
+       long l=0;
        int (*old_cmp)(const X509_REVOKED * const *,
                        const X509_REVOKED * const *);
+       M_ASN1_I2D_vars(a);
+       
+       old_cmp=sk_X509_REVOKED_set_cmp_func(a->revoked,X509_REVOKED_seq_cmp);
+       sk_X509_REVOKED_sort(a->revoked);
+       sk_X509_REVOKED_set_cmp_func(a->revoked,old_cmp);
+
+       if ((a->version != NULL) && ((l=ASN1_INTEGER_get(a->version)) != 0))
+               {
+               M_ASN1_I2D_len(a->version,i2d_ASN1_INTEGER);
+               }
+       M_ASN1_I2D_len(a->sig_alg,i2d_X509_ALGOR);
+       M_ASN1_I2D_len(a->issuer,i2d_X509_NAME);
+       M_ASN1_I2D_len(a->lastUpdate,i2d_ASN1_TIME);
+       if (a->nextUpdate != NULL)
+               { M_ASN1_I2D_len(a->nextUpdate,i2d_ASN1_TIME); }
+       M_ASN1_I2D_len_SEQUENCE_opt_ex_type(X509_REVOKED,a->revoked,
+                                        i2d_X509_REVOKED);
+       M_ASN1_I2D_len_EXP_SEQUENCE_opt_ex_type(X509_EXTENSION,a->extensions,
+                                            i2d_X509_EXTENSION,0,
+                                            V_ASN1_SEQUENCE,v1);
+
+       M_ASN1_I2D_seq_total();
+
+       if ((a->version != NULL) && (l != 0))
+               {
+               M_ASN1_I2D_put(a->version,i2d_ASN1_INTEGER);
+               }
+       M_ASN1_I2D_put(a->sig_alg,i2d_X509_ALGOR);
+       M_ASN1_I2D_put(a->issuer,i2d_X509_NAME);
+       M_ASN1_I2D_put(a->lastUpdate,i2d_ASN1_TIME);
+       if (a->nextUpdate != NULL)
+               { M_ASN1_I2D_put(a->nextUpdate,i2d_ASN1_TIME); }
+       M_ASN1_I2D_put_SEQUENCE_opt_ex_type(X509_REVOKED,a->revoked,
+                                        i2d_X509_REVOKED);
+       M_ASN1_I2D_put_EXP_SEQUENCE_opt_ex_type(X509_EXTENSION,a->extensions,
+                                            i2d_X509_EXTENSION,0,
+                                            V_ASN1_SEQUENCE,v1);
 
-       if(!a || !a->revoked) return 1;
-       switch(operation) {
-
-               /* Save original order */
-               case ASN1_OP_D2I_POST:
-               for (i=0; i<sk_X509_REVOKED_num(a->revoked); i++)
-                       sk_X509_REVOKED_value(a->revoked,i)->sequence=i;
-               sk_X509_REVOKED_set_cmp_func(a->revoked,X509_REVOKED_cmp);
-               break;
-
-               /* Restore original order */
-               case ASN1_OP_I2D_PRE:
-               old_cmp=sk_X509_REVOKED_set_cmp_func(a->revoked,X509_REVOKED_seq_cmp);
-               sk_X509_REVOKED_sort(a->revoked);
-               sk_X509_REVOKED_set_cmp_func(a->revoked,old_cmp);
-               break;
+       M_ASN1_I2D_finish();
+       }
+
+X509_CRL_INFO *d2i_X509_CRL_INFO(X509_CRL_INFO **a, unsigned char **pp,
+            long length)
+       {
+       int i,ver=0;
+       M_ASN1_D2I_vars(a,X509_CRL_INFO *,X509_CRL_INFO_new);
+
+
+       M_ASN1_D2I_Init();
+       M_ASN1_D2I_start_sequence();
+       M_ASN1_D2I_get_opt(ret->version,d2i_ASN1_INTEGER,V_ASN1_INTEGER);
+       if (ret->version != NULL)
+               ver=ret->version->data[0];
+       
+       if ((ver == 0) && (ret->version != NULL))
+               {
+               M_ASN1_INTEGER_free(ret->version);
+               ret->version=NULL;
+               }
+       M_ASN1_D2I_get(ret->sig_alg,d2i_X509_ALGOR);
+       M_ASN1_D2I_get(ret->issuer,d2i_X509_NAME);
+       M_ASN1_D2I_get(ret->lastUpdate,d2i_ASN1_TIME);
+       /* Manually handle the OPTIONAL ASN1_TIME stuff */
+       /* First try UTCTime */
+       M_ASN1_D2I_get_opt(ret->nextUpdate,d2i_ASN1_UTCTIME, V_ASN1_UTCTIME);
+       /* If that doesn't work try GeneralizedTime */
+       if(!ret->nextUpdate) 
+               M_ASN1_D2I_get_opt(ret->nextUpdate,d2i_ASN1_GENERALIZEDTIME,
+                                                       V_ASN1_GENERALIZEDTIME);
+       if (ret->revoked != NULL)
+               {
+               while (sk_X509_REVOKED_num(ret->revoked))
+                       X509_REVOKED_free(sk_X509_REVOKED_pop(ret->revoked));
+               }
+       M_ASN1_D2I_get_seq_opt_type(X509_REVOKED,ret->revoked,d2i_X509_REVOKED,
+                                   X509_REVOKED_free);
+
+       if (ret->revoked != NULL)
+               {
+               for (i=0; i<sk_X509_REVOKED_num(ret->revoked); i++)
+                       {
+                       sk_X509_REVOKED_value(ret->revoked,i)->sequence=i;
+                       }
+               }
+
+       if (ret->extensions != NULL)
+               {
+               while (sk_X509_EXTENSION_num(ret->extensions))
+                       X509_EXTENSION_free(
+                       sk_X509_EXTENSION_pop(ret->extensions));
+               }
+               
+       M_ASN1_D2I_get_EXP_set_opt_type(X509_EXTENSION,ret->extensions,
+                                       d2i_X509_EXTENSION,
+                                       X509_EXTENSION_free,0,
+                                       V_ASN1_SEQUENCE);
+
+       M_ASN1_D2I_Finish(a,X509_CRL_INFO_free,ASN1_F_D2I_X509_CRL_INFO);
+       }
+
+int i2d_X509_CRL(X509_CRL *a, unsigned char **pp)
+       {
+       M_ASN1_I2D_vars(a);
+
+       M_ASN1_I2D_len(a->crl,i2d_X509_CRL_INFO);
+       M_ASN1_I2D_len(a->sig_alg,i2d_X509_ALGOR);
+       M_ASN1_I2D_len(a->signature,i2d_ASN1_BIT_STRING);
+
+       M_ASN1_I2D_seq_total();
+
+       M_ASN1_I2D_put(a->crl,i2d_X509_CRL_INFO);
+       M_ASN1_I2D_put(a->sig_alg,i2d_X509_ALGOR);
+       M_ASN1_I2D_put(a->signature,i2d_ASN1_BIT_STRING);
+
+       M_ASN1_I2D_finish();
+       }
+
+X509_CRL *d2i_X509_CRL(X509_CRL **a, unsigned char **pp, long length)
+       {
+       M_ASN1_D2I_vars(a,X509_CRL *,X509_CRL_new);
+
+       M_ASN1_D2I_Init();
+       M_ASN1_D2I_start_sequence();
+       M_ASN1_D2I_get(ret->crl,d2i_X509_CRL_INFO);
+       M_ASN1_D2I_get(ret->sig_alg,d2i_X509_ALGOR);
+       M_ASN1_D2I_get(ret->signature,d2i_ASN1_BIT_STRING);
+
+       M_ASN1_D2I_Finish(a,X509_CRL_free,ASN1_F_D2I_X509_CRL);
+       }
+
+
+X509_REVOKED *X509_REVOKED_new(void)
+       {
+       X509_REVOKED *ret=NULL;
+       ASN1_CTX c;
+
+       M_ASN1_New_Malloc(ret,X509_REVOKED);
+       M_ASN1_New(ret->serialNumber,M_ASN1_INTEGER_new);
+       M_ASN1_New(ret->revocationDate,M_ASN1_UTCTIME_new);
+       ret->extensions=NULL;
+       return(ret);
+       M_ASN1_New_Error(ASN1_F_X509_REVOKED_NEW);
+       }
+
+X509_CRL_INFO *X509_CRL_INFO_new(void)
+       {
+       X509_CRL_INFO *ret=NULL;
+       ASN1_CTX c;
+
+       M_ASN1_New_Malloc(ret,X509_CRL_INFO);
+       ret->version=NULL;
+       M_ASN1_New(ret->sig_alg,X509_ALGOR_new);
+       M_ASN1_New(ret->issuer,X509_NAME_new);
+       M_ASN1_New(ret->lastUpdate,M_ASN1_UTCTIME_new);
+       ret->nextUpdate=NULL;
+       M_ASN1_New(ret->revoked,sk_X509_REVOKED_new_null);
+       M_ASN1_New(ret->extensions,sk_X509_EXTENSION_new_null);
+       sk_X509_REVOKED_set_cmp_func(ret->revoked,X509_REVOKED_cmp);
+       return(ret);
+       M_ASN1_New_Error(ASN1_F_X509_CRL_INFO_NEW);
+       }
+
+X509_CRL *X509_CRL_new(void)
+       {
+       X509_CRL *ret=NULL;
+       ASN1_CTX c;
+
+       M_ASN1_New_Malloc(ret,X509_CRL);
+       ret->references=1;
+       M_ASN1_New(ret->crl,X509_CRL_INFO_new);
+       M_ASN1_New(ret->sig_alg,X509_ALGOR_new);
+       M_ASN1_New(ret->signature,M_ASN1_BIT_STRING_new);
+       return(ret);
+       M_ASN1_New_Error(ASN1_F_X509_CRL_NEW);
+       }
+
+void X509_REVOKED_free(X509_REVOKED *a)
+       {
+       if (a == NULL) return;
+       M_ASN1_INTEGER_free(a->serialNumber);
+       M_ASN1_UTCTIME_free(a->revocationDate);
+       sk_X509_EXTENSION_pop_free(a->extensions,X509_EXTENSION_free);
+       OPENSSL_free(a);
+       }
+
+void X509_CRL_INFO_free(X509_CRL_INFO *a)
+       {
+       if (a == NULL) return;
+       M_ASN1_INTEGER_free(a->version);
+       X509_ALGOR_free(a->sig_alg);
+       X509_NAME_free(a->issuer);
+       M_ASN1_UTCTIME_free(a->lastUpdate);
+       if (a->nextUpdate)
+               M_ASN1_UTCTIME_free(a->nextUpdate);
+       sk_X509_REVOKED_pop_free(a->revoked,X509_REVOKED_free);
+       sk_X509_EXTENSION_pop_free(a->extensions,X509_EXTENSION_free);
+       OPENSSL_free(a);
+       }
+
+void X509_CRL_free(X509_CRL *a)
+       {
+       int i;
+
+       if (a == NULL) return;
+
+       i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_X509_CRL);
+#ifdef REF_PRINT
+       REF_PRINT("X509_CRL",a);
+#endif
+       if (i > 0) return;
+#ifdef REF_CHECK
+       if (i < 0)
+               {
+               fprintf(stderr,"X509_CRL_free, bad reference count\n");
+               abort();
+               }
+#endif
+
+       X509_CRL_INFO_free(a->crl);
+       X509_ALGOR_free(a->sig_alg);
+       M_ASN1_BIT_STRING_free(a->signature);
+       OPENSSL_free(a);
        }
-       return 1;
-}
-
-
-ASN1_SEQUENCE_cb(X509_CRL_INFO, crl_inf_cb) = {
-       ASN1_OPT(X509_CRL_INFO, version, ASN1_INTEGER),
-       ASN1_SIMPLE(X509_CRL_INFO, sig_alg, X509_ALGOR),
-       ASN1_SIMPLE(X509_CRL_INFO, issuer, X509_NAME),
-       ASN1_SIMPLE(X509_CRL_INFO, lastUpdate, ASN1_TIME),
-       ASN1_OPT(X509_CRL_INFO, nextUpdate, ASN1_TIME),
-       ASN1_SEQUENCE_OF_OPT(X509_CRL_INFO, revoked, X509_REVOKED),
-       ASN1_EXP_SEQUENCE_OF_OPT(X509_CRL_INFO, extensions, X509_EXTENSION, 0)
-} ASN1_SEQUENCE_END_cb(X509_CRL_INFO, X509_CRL_INFO);
-
-ASN1_SEQUENCE_ref(X509_CRL, 0, CRYPTO_LOCK_X509_CRL) = {
-       ASN1_SIMPLE(X509_CRL, crl, X509_CRL_INFO),
-       ASN1_SIMPLE(X509_CRL, sig_alg, X509_ALGOR),
-       ASN1_SIMPLE(X509_CRL, signature, ASN1_BIT_STRING)
-} ASN1_SEQUENCE_END_ref(X509_CRL, X509_CRL);
-
-IMPLEMENT_ASN1_FUNCTIONS(X509_REVOKED)
-IMPLEMENT_ASN1_FUNCTIONS(X509_CRL_INFO)
-IMPLEMENT_ASN1_FUNCTIONS(X509_CRL)
 
 static int X509_REVOKED_cmp(const X509_REVOKED * const *a,
                        const X509_REVOKED * const *b)
@@ -142,19 +342,6 @@ static int X509_REVOKED_seq_cmp(const X509_REVOKED * const *a,
        return((*a)->sequence-(*b)->sequence);
        }
 
-int X509_CRL_add0_revoked(X509_CRL *crl, X509_REVOKED *rev)
-{
-       X509_CRL_INFO *inf;
-       inf = crl->crl;
-       if(!inf->revoked)
-               inf->revoked = sk_X509_REVOKED_new(X509_REVOKED_cmp);
-       if(!inf->revoked || !sk_X509_REVOKED_push(inf->revoked, rev)) {
-               ASN1err(ASN1_F_X509_CRL_ADD0_REVOKED, ERR_R_MALLOC_FAILURE);
-               return 0;
-       }
-       return 1;
-}
-
 IMPLEMENT_STACK_OF(X509_REVOKED)
 IMPLEMENT_ASN1_SET_OF(X509_REVOKED)
 IMPLEMENT_STACK_OF(X509_CRL)