aboutsummaryrefslogtreecommitdiff
path: root/openssl/crypto/x509/x509_lu.c
diff options
context:
space:
mode:
Diffstat (limited to 'openssl/crypto/x509/x509_lu.c')
-rw-r--r--openssl/crypto/x509/x509_lu.c567
1 files changed, 567 insertions, 0 deletions
diff --git a/openssl/crypto/x509/x509_lu.c b/openssl/crypto/x509/x509_lu.c
new file mode 100644
index 000000000..cd2cfb6d8
--- /dev/null
+++ b/openssl/crypto/x509/x509_lu.c
@@ -0,0 +1,567 @@
+/* crypto/x509/x509_lu.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/lhash.h>
+#include <openssl/x509.h>
+#include <openssl/x509v3.h>
+
+X509_LOOKUP *X509_LOOKUP_new(X509_LOOKUP_METHOD *method)
+ {
+ X509_LOOKUP *ret;
+
+ ret=(X509_LOOKUP *)OPENSSL_malloc(sizeof(X509_LOOKUP));
+ if (ret == NULL) return NULL;
+
+ ret->init=0;
+ ret->skip=0;
+ ret->method=method;
+ ret->method_data=NULL;
+ ret->store_ctx=NULL;
+ if ((method->new_item != NULL) && !method->new_item(ret))
+ {
+ OPENSSL_free(ret);
+ return NULL;
+ }
+ return ret;
+ }
+
+void X509_LOOKUP_free(X509_LOOKUP *ctx)
+ {
+ if (ctx == NULL) return;
+ if ( (ctx->method != NULL) &&
+ (ctx->method->free != NULL))
+ ctx->method->free(ctx);
+ OPENSSL_free(ctx);
+ }
+
+int X509_LOOKUP_init(X509_LOOKUP *ctx)
+ {
+ if (ctx->method == NULL) return 0;
+ if (ctx->method->init != NULL)
+ return ctx->method->init(ctx);
+ else
+ return 1;
+ }
+
+int X509_LOOKUP_shutdown(X509_LOOKUP *ctx)
+ {
+ if (ctx->method == NULL) return 0;
+ if (ctx->method->shutdown != NULL)
+ return ctx->method->shutdown(ctx);
+ else
+ return 1;
+ }
+
+int X509_LOOKUP_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc, long argl,
+ char **ret)
+ {
+ if (ctx->method == NULL) return -1;
+ if (ctx->method->ctrl != NULL)
+ return ctx->method->ctrl(ctx,cmd,argc,argl,ret);
+ else
+ return 1;
+ }
+
+int X509_LOOKUP_by_subject(X509_LOOKUP *ctx, int type, X509_NAME *name,
+ X509_OBJECT *ret)
+ {
+ if ((ctx->method == NULL) || (ctx->method->get_by_subject == NULL))
+ return X509_LU_FAIL;
+ if (ctx->skip) return 0;
+ return ctx->method->get_by_subject(ctx,type,name,ret);
+ }
+
+int X509_LOOKUP_by_issuer_serial(X509_LOOKUP *ctx, int type, X509_NAME *name,
+ ASN1_INTEGER *serial, X509_OBJECT *ret)
+ {
+ if ((ctx->method == NULL) ||
+ (ctx->method->get_by_issuer_serial == NULL))
+ return X509_LU_FAIL;
+ return ctx->method->get_by_issuer_serial(ctx,type,name,serial,ret);
+ }
+
+int X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, int type,
+ unsigned char *bytes, int len, X509_OBJECT *ret)
+ {
+ if ((ctx->method == NULL) || (ctx->method->get_by_fingerprint == NULL))
+ return X509_LU_FAIL;
+ return ctx->method->get_by_fingerprint(ctx,type,bytes,len,ret);
+ }
+
+int X509_LOOKUP_by_alias(X509_LOOKUP *ctx, int type, char *str, int len,
+ X509_OBJECT *ret)
+ {
+ if ((ctx->method == NULL) || (ctx->method->get_by_alias == NULL))
+ return X509_LU_FAIL;
+ return ctx->method->get_by_alias(ctx,type,str,len,ret);
+ }
+
+
+static int x509_object_cmp(const X509_OBJECT * const *a, const X509_OBJECT * const *b)
+ {
+ int ret;
+
+ ret=((*a)->type - (*b)->type);
+ if (ret) return ret;
+ switch ((*a)->type)
+ {
+ case X509_LU_X509:
+ ret=X509_subject_name_cmp((*a)->data.x509,(*b)->data.x509);
+ break;
+ case X509_LU_CRL:
+ ret=X509_CRL_cmp((*a)->data.crl,(*b)->data.crl);
+ break;
+ default:
+ /* abort(); */
+ return 0;
+ }
+ return ret;
+ }
+
+X509_STORE *X509_STORE_new(void)
+ {
+ X509_STORE *ret;
+
+ if ((ret=(X509_STORE *)OPENSSL_malloc(sizeof(X509_STORE))) == NULL)
+ return NULL;
+ ret->objs = sk_X509_OBJECT_new(x509_object_cmp);
+ ret->cache=1;
+ ret->get_cert_methods=sk_X509_LOOKUP_new_null();
+ ret->verify=0;
+ ret->verify_cb=0;
+
+ if ((ret->param = X509_VERIFY_PARAM_new()) == NULL)
+ return NULL;
+
+ ret->get_issuer = 0;
+ ret->check_issued = 0;
+ ret->check_revocation = 0;
+ ret->get_crl = 0;
+ ret->check_crl = 0;
+ ret->cert_crl = 0;
+ ret->cleanup = 0;
+
+ CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509_STORE, ret, &ret->ex_data);
+ ret->references=1;
+ return ret;
+ }
+
+static void cleanup(X509_OBJECT *a)
+ {
+ if (a->type == X509_LU_X509)
+ {
+ X509_free(a->data.x509);
+ }
+ else if (a->type == X509_LU_CRL)
+ {
+ X509_CRL_free(a->data.crl);
+ }
+ else
+ {
+ /* abort(); */
+ }
+
+ OPENSSL_free(a);
+ }
+
+void X509_STORE_free(X509_STORE *vfy)
+ {
+ int i;
+ STACK_OF(X509_LOOKUP) *sk;
+ X509_LOOKUP *lu;
+
+ if (vfy == NULL)
+ return;
+
+ sk=vfy->get_cert_methods;
+ for (i=0; i<sk_X509_LOOKUP_num(sk); i++)
+ {
+ lu=sk_X509_LOOKUP_value(sk,i);
+ X509_LOOKUP_shutdown(lu);
+ X509_LOOKUP_free(lu);
+ }
+ sk_X509_LOOKUP_free(sk);
+ sk_X509_OBJECT_pop_free(vfy->objs, cleanup);
+
+ CRYPTO_free_ex_data(CRYPTO_EX_INDEX_X509_STORE, vfy, &vfy->ex_data);
+ if (vfy->param)
+ X509_VERIFY_PARAM_free(vfy->param);
+ OPENSSL_free(vfy);
+ }
+
+X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *v, X509_LOOKUP_METHOD *m)
+ {
+ int i;
+ STACK_OF(X509_LOOKUP) *sk;
+ X509_LOOKUP *lu;
+
+ sk=v->get_cert_methods;
+ for (i=0; i<sk_X509_LOOKUP_num(sk); i++)
+ {
+ lu=sk_X509_LOOKUP_value(sk,i);
+ if (m == lu->method)
+ {
+ return lu;
+ }
+ }
+ /* a new one */
+ lu=X509_LOOKUP_new(m);
+ if (lu == NULL)
+ return NULL;
+ else
+ {
+ lu->store_ctx=v;
+ if (sk_X509_LOOKUP_push(v->get_cert_methods,lu))
+ return lu;
+ else
+ {
+ X509_LOOKUP_free(lu);
+ return NULL;
+ }
+ }
+ }
+
+int X509_STORE_get_by_subject(X509_STORE_CTX *vs, int type, X509_NAME *name,
+ X509_OBJECT *ret)
+ {
+ X509_STORE *ctx=vs->ctx;
+ X509_LOOKUP *lu;
+ X509_OBJECT stmp,*tmp;
+ int i,j;
+
+ tmp=X509_OBJECT_retrieve_by_subject(ctx->objs,type,name);
+
+ if (tmp == NULL)
+ {
+ for (i=vs->current_method; i<sk_X509_LOOKUP_num(ctx->get_cert_methods); i++)
+ {
+ lu=sk_X509_LOOKUP_value(ctx->get_cert_methods,i);
+ j=X509_LOOKUP_by_subject(lu,type,name,&stmp);
+ if (j < 0)
+ {
+ vs->current_method=j;
+ return j;
+ }
+ else if (j)
+ {
+ tmp= &stmp;
+ break;
+ }
+ }
+ vs->current_method=0;
+ if (tmp == NULL)
+ return 0;
+ }
+
+/* if (ret->data.ptr != NULL)
+ X509_OBJECT_free_contents(ret); */
+
+ ret->type=tmp->type;
+ ret->data.ptr=tmp->data.ptr;
+
+ X509_OBJECT_up_ref_count(ret);
+
+ return 1;
+ }
+
+int X509_STORE_add_cert(X509_STORE *ctx, X509 *x)
+ {
+ X509_OBJECT *obj;
+ int ret=1;
+
+ if (x == NULL) return 0;
+ obj=(X509_OBJECT *)OPENSSL_malloc(sizeof(X509_OBJECT));
+ if (obj == NULL)
+ {
+ X509err(X509_F_X509_STORE_ADD_CERT,ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ obj->type=X509_LU_X509;
+ obj->data.x509=x;
+
+ CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
+
+ X509_OBJECT_up_ref_count(obj);
+
+
+ if (X509_OBJECT_retrieve_match(ctx->objs, obj))
+ {
+ X509_OBJECT_free_contents(obj);
+ OPENSSL_free(obj);
+ X509err(X509_F_X509_STORE_ADD_CERT,X509_R_CERT_ALREADY_IN_HASH_TABLE);
+ ret=0;
+ }
+ else sk_X509_OBJECT_push(ctx->objs, obj);
+
+ CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
+
+ return ret;
+ }
+
+int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x)
+ {
+ X509_OBJECT *obj;
+ int ret=1;
+
+ if (x == NULL) return 0;
+ obj=(X509_OBJECT *)OPENSSL_malloc(sizeof(X509_OBJECT));
+ if (obj == NULL)
+ {
+ X509err(X509_F_X509_STORE_ADD_CRL,ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ obj->type=X509_LU_CRL;
+ obj->data.crl=x;
+
+ CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
+
+ X509_OBJECT_up_ref_count(obj);
+
+ if (X509_OBJECT_retrieve_match(ctx->objs, obj))
+ {
+ X509_OBJECT_free_contents(obj);
+ OPENSSL_free(obj);
+ X509err(X509_F_X509_STORE_ADD_CRL,X509_R_CERT_ALREADY_IN_HASH_TABLE);
+ ret=0;
+ }
+ else sk_X509_OBJECT_push(ctx->objs, obj);
+
+ CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
+
+ return ret;
+ }
+
+void X509_OBJECT_up_ref_count(X509_OBJECT *a)
+ {
+ switch (a->type)
+ {
+ case X509_LU_X509:
+ CRYPTO_add(&a->data.x509->references,1,CRYPTO_LOCK_X509);
+ break;
+ case X509_LU_CRL:
+ CRYPTO_add(&a->data.crl->references,1,CRYPTO_LOCK_X509_CRL);
+ break;
+ }
+ }
+
+void X509_OBJECT_free_contents(X509_OBJECT *a)
+ {
+ switch (a->type)
+ {
+ case X509_LU_X509:
+ X509_free(a->data.x509);
+ break;
+ case X509_LU_CRL:
+ X509_CRL_free(a->data.crl);
+ break;
+ }
+ }
+
+int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h, int type,
+ X509_NAME *name)
+ {
+ X509_OBJECT stmp;
+ X509 x509_s;
+ X509_CINF cinf_s;
+ X509_CRL crl_s;
+ X509_CRL_INFO crl_info_s;
+
+ stmp.type=type;
+ switch (type)
+ {
+ case X509_LU_X509:
+ stmp.data.x509= &x509_s;
+ x509_s.cert_info= &cinf_s;
+ cinf_s.subject=name;
+ break;
+ case X509_LU_CRL:
+ stmp.data.crl= &crl_s;
+ crl_s.crl= &crl_info_s;
+ crl_info_s.issuer=name;
+ break;
+ default:
+ /* abort(); */
+ return -1;
+ }
+
+ return sk_X509_OBJECT_find(h,&stmp);
+ }
+
+X509_OBJECT *X509_OBJECT_retrieve_by_subject(STACK_OF(X509_OBJECT) *h, int type,
+ X509_NAME *name)
+{
+ int idx;
+ idx = X509_OBJECT_idx_by_subject(h, type, name);
+ if (idx==-1) return NULL;
+ return sk_X509_OBJECT_value(h, idx);
+}
+
+X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h, X509_OBJECT *x)
+{
+ int idx, i;
+ X509_OBJECT *obj;
+ idx = sk_X509_OBJECT_find(h, x);
+ if (idx == -1) return NULL;
+ if (x->type != X509_LU_X509) return sk_X509_OBJECT_value(h, idx);
+ for (i = idx; i < sk_X509_OBJECT_num(h); i++)
+ {
+ obj = sk_X509_OBJECT_value(h, i);
+ if (x509_object_cmp((const X509_OBJECT **)&obj, (const X509_OBJECT **)&x))
+ return NULL;
+ if ((x->type != X509_LU_X509) || !X509_cmp(obj->data.x509, x->data.x509))
+ return obj;
+ }
+ return NULL;
+}
+
+
+/* Try to get issuer certificate from store. Due to limitations
+ * of the API this can only retrieve a single certificate matching
+ * a given subject name. However it will fill the cache with all
+ * matching certificates, so we can examine the cache for all
+ * matches.
+ *
+ * Return values are:
+ * 1 lookup successful.
+ * 0 certificate not found.
+ * -1 some other error.
+ */
+
+
+int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x)
+{
+ X509_NAME *xn;
+ X509_OBJECT obj, *pobj;
+ int i, ok, idx;
+ xn=X509_get_issuer_name(x);
+ ok=X509_STORE_get_by_subject(ctx,X509_LU_X509,xn,&obj);
+ if (ok != X509_LU_X509)
+ {
+ if (ok == X509_LU_RETRY)
+ {
+ X509_OBJECT_free_contents(&obj);
+ X509err(X509_F_X509_STORE_CTX_GET1_ISSUER,X509_R_SHOULD_RETRY);
+ return -1;
+ }
+ else if (ok != X509_LU_FAIL)
+ {
+ X509_OBJECT_free_contents(&obj);
+ /* not good :-(, break anyway */
+ return -1;
+ }
+ return 0;
+ }
+ /* If certificate matches all OK */
+ if (ctx->check_issued(ctx, x, obj.data.x509))
+ {
+ *issuer = obj.data.x509;
+ return 1;
+ }
+ X509_OBJECT_free_contents(&obj);
+ /* Else find index of first matching cert */
+ idx = X509_OBJECT_idx_by_subject(ctx->ctx->objs, X509_LU_X509, xn);
+ /* This shouldn't normally happen since we already have one match */
+ if (idx == -1) return 0;
+
+ /* Look through all matching certificates for a suitable issuer */
+ for (i = idx; i < sk_X509_OBJECT_num(ctx->ctx->objs); i++)
+ {
+ pobj = sk_X509_OBJECT_value(ctx->ctx->objs, i);
+ /* See if we've ran out of matches */
+ if (pobj->type != X509_LU_X509) return 0;
+ if (X509_NAME_cmp(xn, X509_get_subject_name(pobj->data.x509))) return 0;
+ if (ctx->check_issued(ctx, x, pobj->data.x509))
+ {
+ *issuer = pobj->data.x509;
+ X509_OBJECT_up_ref_count(pobj);
+ return 1;
+ }
+ }
+ return 0;
+}
+
+int X509_STORE_set_flags(X509_STORE *ctx, unsigned long flags)
+ {
+ return X509_VERIFY_PARAM_set_flags(ctx->param, flags);
+ }
+
+int X509_STORE_set_depth(X509_STORE *ctx, int depth)
+ {
+ X509_VERIFY_PARAM_set_depth(ctx->param, depth);
+ return 1;
+ }
+
+int X509_STORE_set_purpose(X509_STORE *ctx, int purpose)
+ {
+ return X509_VERIFY_PARAM_set_purpose(ctx->param, purpose);
+ }
+
+int X509_STORE_set_trust(X509_STORE *ctx, int trust)
+ {
+ return X509_VERIFY_PARAM_set_trust(ctx->param, trust);
+ }
+
+int X509_STORE_set1_param(X509_STORE *ctx, X509_VERIFY_PARAM *param)
+ {
+ return X509_VERIFY_PARAM_set1(ctx->param, param);
+ }
+
+IMPLEMENT_STACK_OF(X509_LOOKUP)
+IMPLEMENT_STACK_OF(X509_OBJECT)