Embed various signature algorithms.
[openssl.git] / crypto / asn1 / x_x509.c
index 3209583f7c176c2b05b1ca4e4b82fa67c63d561e..112e63c4b6e04a517830fd5f996f3aae4f77328d 100644 (file)
@@ -5,21 +5,21 @@
  * 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:
  *     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 
+ * 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
@@ -49,7 +49,7 @@
  * 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
  */
 
 #include <stdio.h>
-#include "cryptlib.h"
+#include "internal/cryptlib.h"
 #include <openssl/evp.h>
 #include <openssl/asn1t.h>
 #include <openssl/x509.h>
 #include <openssl/x509v3.h>
 
-static int x509_meth_num = 0;
-static STACK_OF(CRYPTO_EX_DATA_FUNCS) *x509_meth = NULL;
-
-ASN1_SEQUENCE(X509_CINF) = {
-       ASN1_EXP_OPT(X509_CINF, version, ASN1_INTEGER, 0),
-       ASN1_SIMPLE(X509_CINF, serialNumber, ASN1_INTEGER),
-       ASN1_SIMPLE(X509_CINF, signature, X509_ALGOR),
-       ASN1_SIMPLE(X509_CINF, issuer, X509_NAME),
-       ASN1_SIMPLE(X509_CINF, validity, X509_VAL),
-       ASN1_SIMPLE(X509_CINF, subject, X509_NAME),
-       ASN1_SIMPLE(X509_CINF, key, X509_PUBKEY),
-       ASN1_IMP_OPT(X509_CINF, issuerUID, ASN1_BIT_STRING, 1),
-       ASN1_IMP_OPT(X509_CINF, subjectUID, ASN1_BIT_STRING, 2),
-       ASN1_EXP_SEQUENCE_OF_OPT(X509_CINF, extensions, X509_EXTENSION, 3)
-} ASN1_SEQUENCE_END(X509_CINF);
+ASN1_SEQUENCE_enc(X509_CINF, enc, 0) = {
+        ASN1_EXP_OPT(X509_CINF, version, ASN1_INTEGER, 0),
+        ASN1_SIMPLE(X509_CINF, serialNumber, ASN1_INTEGER),
+        ASN1_EMBED(X509_CINF, signature, X509_ALGOR),
+        ASN1_SIMPLE(X509_CINF, issuer, X509_NAME),
+        ASN1_EMBED(X509_CINF, validity, X509_VAL),
+        ASN1_SIMPLE(X509_CINF, subject, X509_NAME),
+        ASN1_SIMPLE(X509_CINF, key, X509_PUBKEY),
+        ASN1_IMP_OPT(X509_CINF, issuerUID, ASN1_BIT_STRING, 1),
+        ASN1_IMP_OPT(X509_CINF, subjectUID, ASN1_BIT_STRING, 2),
+        ASN1_EXP_SEQUENCE_OF_OPT(X509_CINF, extensions, X509_EXTENSION, 3)
+} ASN1_SEQUENCE_END_enc(X509_CINF, X509_CINF)
 
 IMPLEMENT_ASN1_FUNCTIONS(X509_CINF)
 /* X509 top level structure needs a bit of customisation */
 
-static int x509_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it)
-{
-       X509 *ret = (X509 *)*pval;
-
-       switch(operation) {
-
-               case ASN1_OP_NEW_POST:
-               ret->valid=0;
-               ret->name = NULL;
-               ret->ex_flags = 0;
-               ret->ex_pathlen = -1;
-               ret->skid = NULL;
-               ret->akid = NULL;
-               ret->aux = NULL;
-               CRYPTO_new_ex_data(x509_meth, ret, &ret->ex_data);
-               break;
+extern void policy_cache_free(X509_POLICY_CACHE *cache);
 
-               case ASN1_OP_D2I_POST:
-               if (ret->name != NULL) OPENSSL_free(ret->name);
-               ret->name=X509_NAME_oneline(ret->cert_info->subject,NULL,0);
-               break;
-
-               case ASN1_OP_FREE_POST:
-               CRYPTO_free_ex_data(x509_meth,ret,&ret->ex_data);
-               X509_CERT_AUX_free(ret->aux);
-               ASN1_OCTET_STRING_free(ret->skid);
-               AUTHORITY_KEYID_free(ret->akid);
-
-               if (ret->name != NULL) OPENSSL_free(ret->name);
-               break;
-
-       }
-
-       return 1;
+static int x509_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
+                   void *exarg)
+{
+    X509 *ret = (X509 *)*pval;
+
+    switch (operation) {
+
+    case ASN1_OP_NEW_POST:
+        ret->valid = 0;
+        ret->name = NULL;
+        ret->ex_flags = 0;
+        ret->ex_pathlen = -1;
+        ret->skid = NULL;
+        ret->akid = NULL;
+#ifndef OPENSSL_NO_RFC3779
+        ret->rfc3779_addr = NULL;
+        ret->rfc3779_asid = NULL;
+#endif
+        ret->aux = NULL;
+        ret->crldp = NULL;
+        CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509, ret, &ret->ex_data);
+        break;
+
+    case ASN1_OP_D2I_POST:
+        OPENSSL_free(ret->name);
+        ret->name = X509_NAME_oneline(ret->cert_info.subject, NULL, 0);
+        break;
+
+    case ASN1_OP_FREE_POST:
+        CRYPTO_free_ex_data(CRYPTO_EX_INDEX_X509, ret, &ret->ex_data);
+        X509_CERT_AUX_free(ret->aux);
+        ASN1_OCTET_STRING_free(ret->skid);
+        AUTHORITY_KEYID_free(ret->akid);
+        CRL_DIST_POINTS_free(ret->crldp);
+        policy_cache_free(ret->policy_cache);
+        GENERAL_NAMES_free(ret->altname);
+        NAME_CONSTRAINTS_free(ret->nc);
+#ifndef OPENSSL_NO_RFC3779
+        sk_IPAddressFamily_pop_free(ret->rfc3779_addr, IPAddressFamily_free);
+        ASIdentifiers_free(ret->rfc3779_asid);
+#endif
+        OPENSSL_free(ret->name);
+        break;
+
+    }
+
+    return 1;
 
 }
 
 ASN1_SEQUENCE_ref(X509, x509_cb, CRYPTO_LOCK_X509) = {
-       ASN1_SIMPLE(X509, cert_info, X509_CINF),
-       ASN1_SIMPLE(X509, sig_alg, X509_ALGOR),
-       ASN1_SIMPLE(X509, signature, ASN1_BIT_STRING)
-} ASN1_SEQUENCE_END_ref(X509, X509);
+        ASN1_EMBED(X509, cert_info, X509_CINF),
+        ASN1_EMBED(X509, sig_alg, X509_ALGOR),
+        ASN1_SIMPLE(X509, signature, ASN1_BIT_STRING)
+} ASN1_SEQUENCE_END_ref(X509, X509)
 
 IMPLEMENT_ASN1_FUNCTIONS(X509)
 
-static ASN1_METHOD meth={
-       (int (*)())  i2d_X509,
-       (char *(*)())d2i_X509,
-       (char *(*)())X509_new,
-       (void (*)()) X509_free};
-
-ASN1_METHOD *X509_asn1_meth(void)
-       {
-       return(&meth);
-       }
+IMPLEMENT_ASN1_DUP_FUNCTION(X509)
 
 int X509_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
-            CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
-        {
-       x509_meth_num++;
-       return(CRYPTO_get_ex_new_index(x509_meth_num-1,
-               &x509_meth,argl,argp,new_func,dup_func,free_func));
-        }
+                          CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
+{
+    return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_X509, argl, argp,
+                                   new_func, dup_func, free_func);
+}
 
 int X509_set_ex_data(X509 *r, int idx, void *arg)
-       {
-       return(CRYPTO_set_ex_data(&r->ex_data,idx,arg));
-       }
+{
+    return (CRYPTO_set_ex_data(&r->ex_data, idx, arg));
+}
 
 void *X509_get_ex_data(X509 *r, int idx)
-       {
-       return(CRYPTO_get_ex_data(&r->ex_data,idx));
-       }
-
-/* X509_AUX ASN1 routines. X509_AUX is the name given to
- * a certificate with extra info tagged on the end. Since these
- * functions set how a certificate is trusted they should only
- * be used when the certificate comes from a reliable source
- * such as local storage.
- *
+{
+    return (CRYPTO_get_ex_data(&r->ex_data, idx));
+}
+
+/*
+ * X509_AUX ASN1 routines. X509_AUX is the name given to a certificate with
+ * extra info tagged on the end. Since these functions set how a certificate
+ * is trusted they should only be used when the certificate comes from a
+ * reliable source such as local storage.
  */
 
-X509 *d2i_X509_AUX(X509 **a, unsigned char **pp, long length)
+X509 *d2i_X509_AUX(X509 **a, const unsigned char **pp, long length)
 {
-       unsigned char *q;
-       X509 *ret;
-       /* Save start position */
-       q = *pp;
-       ret = d2i_X509(a, pp, length);
-       /* If certificate unreadable then forget it */
-       if(!ret) return NULL;
-       /* update length */
-       length -= *pp - q;
-       if(!length) return ret;
-       if(!d2i_X509_CERT_AUX(&ret->aux, pp, length)) goto err;
-       return ret;
-       err:
-       X509_free(ret);
-       return NULL;
+    const unsigned char *q;
+    X509 *ret;
+    int freeret = 0;
+
+    /* Save start position */
+    q = *pp;
+
+    if (!a || *a == NULL) {
+        freeret = 1;
+    }
+    ret = d2i_X509(a, &q, length);
+    /* If certificate unreadable then forget it */
+    if (!ret)
+        return NULL;
+    /* update length */
+    length -= q - *pp;
+    if (!length)
+        return ret;
+    if (!d2i_X509_CERT_AUX(&ret->aux, &q, length))
+        goto err;
+    *pp = q;
+    return ret;
+ err:
+    if (freeret) {
+        X509_free(ret);
+        if (a)
+            *a = NULL;
+    }
+    return NULL;
 }
 
 int i2d_X509_AUX(X509 *a, unsigned char **pp)
 {
-       int length;
-       length = i2d_X509(a, pp);
-       if(a) length += i2d_X509_CERT_AUX(a->aux, pp);
-       return length;
+    int length;
+    length = i2d_X509(a, pp);
+    if (a)
+        length += i2d_X509_CERT_AUX(a->aux, pp);
+    return length;
+}
+
+int i2d_re_X509_tbs(X509 *x, unsigned char **pp)
+{
+    x->cert_info.enc.modified = 1;
+    return i2d_X509_CINF(&x->cert_info, pp);
+}
+
+void X509_get0_signature(ASN1_BIT_STRING **psig, X509_ALGOR **palg, X509 *x)
+{
+    if (psig)
+        *psig = x->signature;
+    if (palg)
+        *palg = &x->sig_alg;
+}
+
+int X509_get_signature_nid(const X509 *x)
+{
+    return OBJ_obj2nid(x->sig_alg.algorithm);
 }