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-rw-r--r--openssl/crypto/asn1/x_name.c275
1 files changed, 275 insertions, 0 deletions
diff --git a/openssl/crypto/asn1/x_name.c b/openssl/crypto/asn1/x_name.c
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+++ b/openssl/crypto/asn1/x_name.c
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+/* crypto/asn1/x_name.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to. The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code. The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * "This product includes cryptographic software written by
+ * Eric Young (eay@cryptsoft.com)"
+ * The word 'cryptographic' can be left out if the rouines from the library
+ * being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ * the apps directory (application code) you must include an acknowledgement:
+ * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed. i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <stdio.h>
+#include "cryptlib.h"
+#include <openssl/asn1t.h>
+#include <openssl/x509.h>
+
+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);
+
+static int x509_name_ex_i2d(ASN1_VALUE **val, unsigned char **out, const ASN1_ITEM *it, int tag, int aclass);
+static int x509_name_ex_new(ASN1_VALUE **val, const ASN1_ITEM *it);
+static void x509_name_ex_free(ASN1_VALUE **val, const ASN1_ITEM *it);
+
+static int x509_name_encode(X509_NAME *a);
+
+ASN1_SEQUENCE(X509_NAME_ENTRY) = {
+ ASN1_SIMPLE(X509_NAME_ENTRY, object, ASN1_OBJECT),
+ ASN1_SIMPLE(X509_NAME_ENTRY, value, ASN1_PRINTABLE)
+} ASN1_SEQUENCE_END(X509_NAME_ENTRY)
+
+IMPLEMENT_ASN1_FUNCTIONS(X509_NAME_ENTRY)
+IMPLEMENT_ASN1_DUP_FUNCTION(X509_NAME_ENTRY)
+
+/* For the "Name" type we need a SEQUENCE OF { SET OF X509_NAME_ENTRY }
+ * so declare two template wrappers for this
+ */
+
+ASN1_ITEM_TEMPLATE(X509_NAME_ENTRIES) =
+ ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SET_OF, 0, RDNS, X509_NAME_ENTRY)
+ASN1_ITEM_TEMPLATE_END(X509_NAME_ENTRIES)
+
+ASN1_ITEM_TEMPLATE(X509_NAME_INTERNAL) =
+ ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, Name, X509_NAME_ENTRIES)
+ASN1_ITEM_TEMPLATE_END(X509_NAME_INTERNAL)
+
+/* Normally that's where it would end: we'd have two nested STACK structures
+ * representing the ASN1. Unfortunately X509_NAME uses a completely different
+ * form and caches encodings so we have to process the internal form and convert
+ * to the external form.
+ */
+
+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
+};
+
+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->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);
+ OPENSSL_free(a);
+ *pval = NULL;
+}
+
+/* Used with sk_pop_free() to free up the internal representation.
+ * NB: we only free the STACK and not its contents because it is
+ * already present in the X509_NAME structure.
+ */
+
+static void sk_internal_free(void *a)
+{
+ sk_free(a);
+}
+
+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 *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_num(intname.s); i++) {
+ entries = (STACK_OF(X509_NAME_ENTRY) *)sk_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);
+ }
+ sk_free(intname.s);
+ nm.x->modified = 0;
+ *val = nm.a;
+ *in = p;
+ return ret;
+ err:
+ ASN1err(ASN1_F_X509_NAME_EX_D2I, ERR_R_NESTED_ASN1_ERROR);
+ return 0;
+}
+
+static int x509_name_ex_i2d(ASN1_VALUE **val, unsigned char **out, const ASN1_ITEM *it, int tag, int aclass)
+{
+ int ret;
+ X509_NAME *a = (X509_NAME *)*val;
+ if(a->modified) {
+ ret = x509_name_encode((X509_NAME *)a);
+ if(ret < 0) return ret;
+ }
+ ret = a->bytes->length;
+ if(out != NULL) {
+ memcpy(*out,a->bytes->data,ret);
+ *out+=ret;
+ }
+ return ret;
+}
+
+static int x509_name_encode(X509_NAME *a)
+{
+ union { STACK *s; ASN1_VALUE *a; } intname = {NULL};
+ int len;
+ unsigned char *p;
+ STACK_OF(X509_NAME_ENTRY) *entries = NULL;
+ X509_NAME_ENTRY *entry;
+ int i, set = -1;
+ intname.s = sk_new_null();
+ if(!intname.s) goto memerr;
+ for(i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) {
+ entry = sk_X509_NAME_ENTRY_value(a->entries, i);
+ if(entry->set != set) {
+ entries = sk_X509_NAME_ENTRY_new_null();
+ if(!entries) goto memerr;
+ if(!sk_push(intname.s, (char *)entries)) goto memerr;
+ set = entry->set;
+ }
+ if(!sk_X509_NAME_ENTRY_push(entries, entry)) goto memerr;
+ }
+ len = ASN1_item_ex_i2d(&intname.a, NULL,
+ ASN1_ITEM_rptr(X509_NAME_INTERNAL), -1, -1);
+ if (!BUF_MEM_grow(a->bytes,len)) goto memerr;
+ p=(unsigned char *)a->bytes->data;
+ ASN1_item_ex_i2d(&intname.a,
+ &p, ASN1_ITEM_rptr(X509_NAME_INTERNAL), -1, -1);
+ sk_pop_free(intname.s, sk_internal_free);
+ a->modified = 0;
+ return len;
+ memerr:
+ sk_pop_free(intname.s, sk_internal_free);
+ ASN1err(ASN1_F_X509_NAME_ENCODE, ERR_R_MALLOC_FAILURE);
+ return -1;
+}
+
+
+int X509_NAME_set(X509_NAME **xn, X509_NAME *name)
+ {
+ X509_NAME *in;
+
+ if (!xn || !name) return(0);
+
+ if (*xn != name)
+ {
+ in=X509_NAME_dup(name);
+ if (in != NULL)
+ {
+ X509_NAME_free(*xn);
+ *xn=in;
+ }
+ }
+ return(*xn != NULL);
+ }
+
+IMPLEMENT_STACK_OF(X509_NAME_ENTRY)
+IMPLEMENT_ASN1_SET_OF(X509_NAME_ENTRY)