1 files changed, 557 insertions, 0 deletions

diff --git a/src/lib/libcrypto/x509/x509_lu.c b/src/lib/libcrypto/x509/x509_lu.c
new file mode 100644
index 0000000000..b780dae5e2
--- /dev/null
+++ b/src/lib/libcrypto/x509/x509_lu.c
@@ -0,0 +1,557 @@
+/* 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;
+
+        ret->purpose = 0;
+        ret->trust = 0;
+
+        ret->flags = 0;
+
+        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;
+        ret->depth=0;
+        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);
+        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_VERIFY_CERT,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;
+}
+
+void X509_STORE_set_flags(X509_STORE *ctx, long flags)
+        {
+        ctx->flags |= flags;
+        }
+
+int X509_STORE_set_purpose(X509_STORE *ctx, int purpose)
+        {
+        return X509_PURPOSE_set(&ctx->purpose, purpose);
+        }
+
+int X509_STORE_set_trust(X509_STORE *ctx, int trust)
+        {
+        return X509_TRUST_set(&ctx->trust, trust);
+        }
+
+IMPLEMENT_STACK_OF(X509_LOOKUP)
+IMPLEMENT_STACK_OF(X509_OBJECT)