+const ASN1_EXTERN_FUNCS x509_name_ff = {
+ NULL,
+ x509_name_ex_new,
+ x509_name_ex_free,
+ 0, /* Default clear behaviour is OK */
+ x509_name_ex_d2i,
+ x509_name_ex_i2d,
+ x509_name_ex_print
+};
+
+IMPLEMENT_EXTERN_ASN1(X509_NAME, V_ASN1_SEQUENCE, x509_name_ff)
+
+IMPLEMENT_ASN1_FUNCTIONS(X509_NAME)
+IMPLEMENT_ASN1_DUP_FUNCTION(X509_NAME)
+
+static int x509_name_ex_new(ASN1_VALUE **val, const ASN1_ITEM *it)
+{
+ X509_NAME *ret = NULL;
+ ret = OPENSSL_malloc(sizeof(X509_NAME));
+ if(!ret) goto memerr;
+ if ((ret->entries=sk_X509_NAME_ENTRY_new_null()) == NULL)
+ goto memerr;
+ if((ret->bytes = BUF_MEM_new()) == NULL) goto memerr;
+ ret->canon_enc = NULL;
+ ret->canon_enclen = 0;
+ ret->modified=1;
+ *val = (ASN1_VALUE *)ret;
+ return 1;
+
+ memerr:
+ ASN1err(ASN1_F_X509_NAME_EX_NEW, ERR_R_MALLOC_FAILURE);
+ if (ret)
+ {
+ if (ret->entries)
+ sk_X509_NAME_ENTRY_free(ret->entries);
+ OPENSSL_free(ret);
+ }
+ return 0;
+}
+
+static void x509_name_ex_free(ASN1_VALUE **pval, const ASN1_ITEM *it)
+{
+ X509_NAME *a;
+ if(!pval || !*pval)
+ return;
+ a = (X509_NAME *)*pval;
+
+ BUF_MEM_free(a->bytes);
+ sk_X509_NAME_ENTRY_pop_free(a->entries,X509_NAME_ENTRY_free);
+ if (a->canon_enc)
+ OPENSSL_free(a->canon_enc);
+ OPENSSL_free(a);
+ *pval = NULL;
+}
+
+static int x509_name_ex_d2i(ASN1_VALUE **val,
+ const unsigned char **in, long len, const ASN1_ITEM *it,
+ int tag, int aclass, char opt, ASN1_TLC *ctx)
+{
+ const unsigned char *p = *in, *q;
+ union { STACK_OF(STACK_OF_X509_NAME_ENTRY) *s;
+ ASN1_VALUE *a; } intname = {NULL};
+ union { X509_NAME *x; ASN1_VALUE *a; } nm = {NULL};
+ int i, j, ret;
+ STACK_OF(X509_NAME_ENTRY) *entries;
+ X509_NAME_ENTRY *entry;
+ q = p;
+
+ /* Get internal representation of Name */
+ ret = ASN1_item_ex_d2i(&intname.a,
+ &p, len, ASN1_ITEM_rptr(X509_NAME_INTERNAL),
+ tag, aclass, opt, ctx);
+
+ if(ret <= 0) return ret;
+
+ if(*val) x509_name_ex_free(val, NULL);
+ if(!x509_name_ex_new(&nm.a, NULL)) goto err;
+ /* We've decoded it: now cache encoding */
+ if(!BUF_MEM_grow(nm.x->bytes, p - q)) goto err;
+ memcpy(nm.x->bytes->data, q, p - q);
+
+ /* Convert internal representation to X509_NAME structure */
+ for(i = 0; i < sk_STACK_OF_X509_NAME_ENTRY_num(intname.s); i++) {
+ entries = sk_STACK_OF_X509_NAME_ENTRY_value(intname.s, i);
+ for(j = 0; j < sk_X509_NAME_ENTRY_num(entries); j++) {
+ entry = sk_X509_NAME_ENTRY_value(entries, j);
+ entry->set = i;
+ if(!sk_X509_NAME_ENTRY_push(nm.x->entries, entry))
+ goto err;
+ }
+ sk_X509_NAME_ENTRY_free(entries);