* 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
* 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 "evp.h"
-#include "asn1_mac.h"
+#include <openssl/evp.h>
+#include <openssl/asn1t.h>
+#include <openssl/x509.h>
+#include <openssl/x509v3.h>
-/*
- * ASN1err(ASN1_F_D2I_X509,ERR_R_ASN1_LENGTH_MISMATCH);
- * ASN1err(ASN1_F_X509_NEW,ERR_R_BAD_GET_ASN1_OBJECT_CALL);
- */
+ASN1_SEQUENCE_enc(X509_CINF, enc, 0) = {
+ 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_enc(X509_CINF, X509_CINF)
+
+IMPLEMENT_ASN1_FUNCTIONS(X509_CINF)
+/* X509 top level structure needs a bit of customisation */
+
+extern void policy_cache_free(X509_POLICY_CACHE *cache);
+
+static int x509_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
+ void *exarg)
+{
+ X509 *ret = (X509 *)*pval;
+
+ switch (operation) {
-static ASN1_METHOD meth={
- (int (*)()) i2d_X509,
- (char *(*)())d2i_X509,
- (char *(*)())X509_new,
- (void (*)()) X509_free};
-
-ASN1_METHOD *X509_asn1_meth()
- {
- return(&meth);
- }
-
-int i2d_X509(a,pp)
-X509 *a;
-unsigned char **pp;
- {
- M_ASN1_I2D_vars(a);
-
- M_ASN1_I2D_len(a->cert_info, i2d_X509_CINF);
- 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->cert_info, i2d_X509_CINF);
- 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 *d2i_X509(a,pp,length)
-X509 **a;
-unsigned char **pp;
-long length;
- {
- M_ASN1_D2I_vars(a,X509 *,X509_new);
-
- M_ASN1_D2I_Init();
- M_ASN1_D2I_start_sequence();
- M_ASN1_D2I_get(ret->cert_info,d2i_X509_CINF);
- M_ASN1_D2I_get(ret->sig_alg,d2i_X509_ALGOR);
- M_ASN1_D2I_get(ret->signature,d2i_ASN1_BIT_STRING);
-if (ret->name != NULL) Free(ret->name);
-ret->name=X509_NAME_oneline(ret->cert_info->subject,NULL,0);
-
- M_ASN1_D2I_Finish(a,X509_free,ASN1_F_D2I_X509);
- }
-
-X509 *X509_new()
- {
- X509 *ret=NULL;
- ASN1_CTX c;
-
- M_ASN1_New_Malloc(ret,X509);
- ret->references=1;
- ret->valid=0;
- ret->name=NULL;
- M_ASN1_New(ret->cert_info,X509_CINF_new);
- M_ASN1_New(ret->sig_alg,X509_ALGOR_new);
- M_ASN1_New(ret->signature,ASN1_BIT_STRING_new);
- return(ret);
- M_ASN1_New_Error(ASN1_F_X509_NEW);
- }
-
-void X509_free(a)
-X509 *a;
- {
- int i;
-
- if (a == NULL) return;
-
- i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_X509);
-#ifdef REF_PRINT
- REF_PRINT("X509",a);
+ 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
- if (i > 0) return;
-#ifdef REF_CHECK
- if (i < 0)
- {
- fprintf(stderr,"X509_free, bad reference count\n");
- abort();
- }
+ ret->aux = NULL;
+ ret->crldp = NULL;
+ CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509, ret, &ret->ex_data);
+ break;
+
+ 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(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
- /* CRYPTO_free_ex_data(bio_meth,(char *)a,&a->ex_data); */
- X509_CINF_free(a->cert_info);
- X509_ALGOR_free(a->sig_alg);
- ASN1_BIT_STRING_free(a->signature);
+ if (ret->name != NULL)
+ 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)
+
+IMPLEMENT_ASN1_FUNCTIONS(X509)
+
+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)
+{
+ 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));
+}
+
+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.
+ */
+
+X509 *d2i_X509_AUX(X509 **a, const unsigned char **pp, long length)
+{
+ 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 > 0 && !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;
+}
+
+/*
+ * Serialize trusted certificate to *pp or just return the required buffer
+ * length if pp == NULL. We ultimately want to avoid modifying *pp in the
+ * error path, but that depends on similar hygiene in lower-level functions.
+ * Here we avoid compounding the problem.
+ */
+static int i2d_x509_aux_internal(X509 *a, unsigned char **pp)
+{
+ int length, tmplen;
+ unsigned char *start = pp != NULL ? *pp : NULL;
+
+ OPENSSL_assert(pp == NULL || *pp != NULL);
+
+ /*
+ * This might perturb *pp on error, but fixing that belongs in i2d_X509()
+ * not here. It should be that if a == NULL length is zero, but we check
+ * both just in case.
+ */
+ length = i2d_X509(a, pp);
+ if (length <= 0 || a == NULL)
+ return length;
+
+ tmplen = i2d_X509_CERT_AUX(a->aux, pp);
+ if (tmplen < 0) {
+ if (start != NULL)
+ *pp = start;
+ return tmplen;
+ }
+ length += tmplen;
+
+ return length;
+}
+
+/*
+ * Serialize trusted certificate to *pp, or just return the required buffer
+ * length if pp == NULL.
+ *
+ * When pp is not NULL, but *pp == NULL, we allocate the buffer, but since
+ * we're writing two ASN.1 objects back to back, we can't have i2d_X509() do
+ * the allocation, nor can we allow i2d_X509_CERT_AUX() to increment the
+ * allocated buffer.
+ */
+int i2d_X509_AUX(X509 *a, unsigned char **pp)
+{
+ int length;
+ unsigned char *tmp;
+
+ /* Buffer provided by caller */
+ if (pp == NULL || *pp != NULL)
+ return i2d_x509_aux_internal(a, pp);
+
+ /* Obtain the combined length */
+ if ((length = i2d_x509_aux_internal(a, NULL)) <= 0)
+ return length;
+
+ /* Allocate requisite combined storage */
+ *pp = tmp = OPENSSL_malloc(length);
+ if (tmp == NULL)
+ return -1; /* Push error onto error stack? */
+
+ /* Encode, but keep *pp at the originally malloced pointer */
+ length = i2d_x509_aux_internal(a, &tmp);
+ if (length <= 0) {
+ OPENSSL_free(*pp);
+ *pp = NULL;
+ }
+ 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);
+}
- if (a->name != NULL) Free(a->name);
- Free((char *)a);
- }
+void X509_get0_signature(ASN1_BIT_STRING **psig, X509_ALGOR **palg,
+ const 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);
+}