1 files changed, 446 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..2c7e10a46e
--- /dev/null
+++ b/src/lib/libcrypto/x509/x509_lu.c
@@ -0,0 +1,446 @@
+/* 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 "lhash.h"
+#include "x509.h"
+
+static STACK *x509_store_meth=NULL;
+static STACK *x509_store_ctx_meth=NULL;
+
+X509_LOOKUP *X509_LOOKUP_new(method)
+X509_LOOKUP_METHOD *method;
+        {
+        X509_LOOKUP *ret;
+
+        ret=(X509_LOOKUP *)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))
+                {
+                Free(ret);
+                return(NULL);
+                }
+        return(ret);
+        }
+
+void X509_LOOKUP_free(ctx)
+X509_LOOKUP *ctx;
+        {
+        if (ctx == NULL) return;
+        if (    (ctx->method != NULL) &&
+                (ctx->method->free != NULL))
+                ctx->method->free(ctx);
+        Free(ctx);
+        }
+
+int X509_LOOKUP_init(ctx)
+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(ctx)
+X509_LOOKUP *ctx;
+        {
+        if (ctx->method == NULL) return(0);
+        if (ctx->method->init != NULL)
+                return(ctx->method->shutdown(ctx));
+        else
+                return(1);
+        }
+
+int X509_LOOKUP_ctrl(ctx,cmd,argc,argl,ret)
+X509_LOOKUP *ctx;
+int cmd;
+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(ctx,type,name,ret)
+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(ctx,type,name,serial,ret)
+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(ctx,type,bytes,len,ret)
+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(ctx,type,str,len,ret)
+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,str,len,ret));
+        }
+
+static unsigned long x509_object_hash(a)
+X509_OBJECT *a;
+        {
+        unsigned long h;
+
+        switch (a->type)
+                {
+        case X509_LU_X509:
+                h=X509_NAME_hash(a->data.x509->cert_info->subject);
+                break;
+        case X509_LU_CRL:
+                h=X509_NAME_hash(a->data.crl->crl->issuer);
+                break;
+        default:
+                abort();
+                }
+        return(h);
+        }
+
+static int x509_object_cmp(a,b)
+X509_OBJECT *a,*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(ret);
+        }
+
+X509_STORE *X509_STORE_new()
+        {
+        X509_STORE *ret;
+
+        if ((ret=(X509_STORE *)Malloc(sizeof(X509_STORE))) == NULL)
+                return(NULL);
+        ret->certs=lh_new(x509_object_hash,x509_object_cmp);
+        ret->cache=1;
+        ret->get_cert_methods=sk_new_null();
+        ret->verify=NULL;
+        ret->verify_cb=NULL;
+        memset(&ret->ex_data,0,sizeof(CRYPTO_EX_DATA));
+        ret->references=1;
+        return(ret);
+        }
+
+static void cleanup(a)
+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();
+
+        Free(a);
+        }
+
+void X509_STORE_free(vfy)
+X509_STORE *vfy;
+        {
+        int i;
+        STACK *sk;
+        X509_LOOKUP *lu;
+
+        sk=vfy->get_cert_methods;
+        for (i=0; i<sk_num(sk); i++)
+                {
+                lu=(X509_LOOKUP *)sk_value(sk,i);
+                X509_LOOKUP_shutdown(lu);
+                X509_LOOKUP_free(lu);
+                }
+        sk_free(sk);
+
+        CRYPTO_free_ex_data(x509_store_meth,(char *)vfy,&vfy->ex_data);
+        lh_doall(vfy->certs,cleanup);
+        lh_free(vfy->certs);
+        Free(vfy);
+        }
+
+X509_LOOKUP *X509_STORE_add_lookup(v,m)
+X509_STORE *v;
+X509_LOOKUP_METHOD *m;
+        {
+        int i;
+        STACK *sk;
+        X509_LOOKUP *lu;
+
+        sk=v->get_cert_methods;
+        for (i=0; i<sk_num(sk); i++)
+                {
+                lu=(X509_LOOKUP *)sk_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_push(v->get_cert_methods,(char *)lu))
+                        return(lu);
+                else
+                        {
+                        X509_LOOKUP_free(lu);
+                        return(NULL);
+                        }
+                }
+        }
+
+int X509_STORE_get_by_subject(vs,type,name,ret)
+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_retrive_by_subject(ctx->certs,type,name);
+
+        if (tmp == NULL)
+                {
+                for (i=vs->current_method; i<sk_num(ctx->get_cert_methods); i++)
+                        {
+                        lu=(X509_LOOKUP *)sk_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);
+        }
+
+void X509_OBJECT_up_ref_count(a)
+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(a)
+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;
+                }
+        }
+
+X509_OBJECT *X509_OBJECT_retrive_by_subject(h,type,name)
+LHASH *h;
+int type;
+X509_NAME *name;
+        {
+        X509_OBJECT stmp,*tmp;
+        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();
+                }
+
+        tmp=(X509_OBJECT *)lh_retrieve(h,(char *)&stmp);
+        return(tmp);
+        }
+
+void X509_STORE_CTX_init(ctx,store,x509,chain)
+X509_STORE_CTX *ctx;
+X509_STORE *store;
+X509 *x509;
+STACK *chain;
+        {
+        ctx->ctx=store;
+        ctx->current_method=0;
+        ctx->cert=x509;
+        ctx->untrusted=chain;
+        ctx->last_untrusted=0;
+        ctx->valid=0;
+        ctx->chain=NULL;
+        ctx->depth=10;
+        ctx->error=0;
+        ctx->current_cert=NULL;
+        memset(&(ctx->ex_data),0,sizeof(CRYPTO_EX_DATA));
+        }
+
+void X509_STORE_CTX_cleanup(ctx)
+X509_STORE_CTX *ctx;
+        {
+        if (ctx->chain != NULL)
+                {
+                sk_pop_free(ctx->chain,X509_free);
+                ctx->chain=NULL;
+                }
+        CRYPTO_free_ex_data(x509_store_ctx_meth,(char *)ctx,&(ctx->ex_data));
+        memset(&ctx->ex_data,0,sizeof(CRYPTO_EX_DATA));
+        }
+