1 files changed, 409 insertions, 0 deletions

diff --git a/src/lib/libcrypto/x509/x509_v3.c b/src/lib/libcrypto/x509/x509_v3.c
new file mode 100644
index 0000000000..1c03602f0b
--- /dev/null
+++ b/src/lib/libcrypto/x509/x509_v3.c
@@ -0,0 +1,409 @@
+/* crypto/x509/x509_v3.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 "stack.h"
+#include "cryptlib.h"
+#include "asn1.h"
+#include "objects.h"
+#include "evp.h"
+#include "x509.h"
+
+#ifndef NOPROTO
+static X509_EXTENSION_METHOD *find_by_nid(int nid);
+static int xem_cmp(X509_EXTENSION_METHOD **a, X509_EXTENSION_METHOD **b);
+#else
+static X509_EXTENSION_METHOD *find_by_nid();
+static int xem_cmp();
+#endif
+
+static STACK *extensions=NULL;
+
+int X509v3_get_ext_count(x)
+STACK *x;
+        {
+        if (x == NULL) return(0);
+        return(sk_num(x));
+        }
+
+int X509v3_get_ext_by_NID(x,nid,lastpos)
+STACK *x;
+int nid;
+int lastpos;
+        {
+        ASN1_OBJECT *obj;
+
+        obj=OBJ_nid2obj(nid);
+        if (obj == NULL) return(-2);
+        return(X509v3_get_ext_by_OBJ(x,obj,lastpos));
+        }
+
+int X509v3_get_ext_by_OBJ(sk,obj,lastpos)
+STACK *sk;
+ASN1_OBJECT *obj;
+int lastpos;
+        {
+        int n;
+        X509_EXTENSION *ex;
+
+        if (sk == NULL) return(-1);
+        lastpos++;
+        if (lastpos < 0)
+                lastpos=0;
+        n=sk_num(sk);
+        for ( ; lastpos < n; lastpos++)
+                {
+                ex=(X509_EXTENSION *)sk_value(sk,lastpos);
+                if (OBJ_cmp(ex->object,obj) == 0)
+                        return(lastpos);
+                }
+        return(-1);
+        }
+
+int X509v3_get_ext_by_critical(sk,crit,lastpos)
+STACK *sk;
+int crit;
+int lastpos;
+        {
+        int n;
+        X509_EXTENSION *ex;
+
+        if (sk == NULL) return(-1);
+        lastpos++;
+        if (lastpos < 0)
+                lastpos=0;
+        n=sk_num(sk);
+        for ( ; lastpos < n; lastpos++)
+                {
+                ex=(X509_EXTENSION *)sk_value(sk,lastpos);
+                if (    (ex->critical && crit) ||
+                        (!ex->critical && !crit))
+                        return(lastpos);
+                }
+        return(-1);
+        }
+
+X509_EXTENSION *X509v3_get_ext(x,loc)
+STACK *x;
+int loc;
+        {
+        if ((x == NULL) || (sk_num(x) <= loc) || (loc < 0))
+                return(NULL);
+        else
+                return((X509_EXTENSION *)sk_value(x,loc));
+        }
+
+X509_EXTENSION *X509v3_delete_ext(x,loc)
+STACK *x;
+int loc;
+        {
+        X509_EXTENSION *ret;
+
+        if ((x == NULL) || (sk_num(x) <= loc) || (loc < 0))
+                return(NULL);
+        ret=(X509_EXTENSION *)sk_delete(x,loc);
+        return(ret);
+        }
+
+STACK *X509v3_add_ext(x,ex,loc)
+STACK **x;
+X509_EXTENSION *ex;
+int loc;
+        {
+        X509_EXTENSION *new_ex=NULL;
+        int n;
+        STACK *sk=NULL;
+
+        if ((x != NULL) && (*x == NULL))
+                {
+                if ((sk=sk_new_null()) == NULL)
+                        goto err;
+                }
+        else
+                sk= *x;
+
+        n=sk_num(sk);
+        if (loc > n) loc=n;
+        else if (loc < 0) loc=n;
+
+        if ((new_ex=X509_EXTENSION_dup(ex)) == NULL)
+                goto err2;
+        if (!sk_insert(sk,(char *)new_ex,loc))
+                goto err;
+        if ((x != NULL) && (*x == NULL))
+                *x=sk;
+        return(sk);
+err:
+        X509err(X509_F_X509V3_ADD_EXT,ERR_R_MALLOC_FAILURE);
+err2:
+        if (new_ex != NULL) X509_EXTENSION_free(new_ex);
+        if (sk != NULL) sk_free(sk);
+        return(NULL);
+        }
+
+X509_EXTENSION *X509_EXTENSION_create_by_NID(ex,nid,crit,data)
+X509_EXTENSION **ex;
+int nid;
+int crit;
+ASN1_OCTET_STRING *data;
+        {
+        ASN1_OBJECT *obj;
+        X509_EXTENSION *ret;
+
+        obj=OBJ_nid2obj(nid);
+        if (obj == NULL)
+                {
+                X509err(X509_F_X509_EXTENSION_CREATE_BY_NID,X509_R_UNKNOWN_NID);
+                return(NULL);
+                }
+        ret=X509_EXTENSION_create_by_OBJ(ex,obj,crit,data);
+        if (ret == NULL) ASN1_OBJECT_free(obj);
+        return(ret);
+        }
+
+X509_EXTENSION *X509_EXTENSION_create_by_OBJ(ex,obj,crit,data)
+X509_EXTENSION **ex;
+ASN1_OBJECT *obj;
+int crit;
+ASN1_OCTET_STRING *data;
+        {
+        X509_EXTENSION *ret;
+
+        if ((ex == NULL) || (*ex == NULL))
+                {
+                if ((ret=X509_EXTENSION_new()) == NULL)
+                        {
+                        X509err(X509_F_X509_EXTENSION_CREATE_BY_OBJ,ERR_R_MALLOC_FAILURE);
+                        return(NULL);
+                        }
+                }
+        else
+                ret= *ex;
+
+        if (!X509_EXTENSION_set_object(ret,obj))
+                goto err;
+        if (!X509_EXTENSION_set_critical(ret,crit))
+                goto err;
+        if (!X509_EXTENSION_set_data(ret,data))
+                goto err;
+        
+        if ((ex != NULL) && (*ex == NULL)) *ex=ret;
+        return(ret);
+err:
+        if ((ex == NULL) || (ret != *ex))
+                X509_EXTENSION_free(ret);
+        return(NULL);
+        }
+
+int X509_EXTENSION_set_object(ex,obj)
+X509_EXTENSION *ex;
+ASN1_OBJECT *obj;
+        {
+        if ((ex == NULL) || (obj == NULL))
+                return(0);
+        ASN1_OBJECT_free(ex->object);
+        ex->object=OBJ_dup(obj);
+        return(1);
+        }
+
+int X509_EXTENSION_set_critical(ex,crit)
+X509_EXTENSION *ex;
+int crit;
+        {
+        if (ex == NULL) return(0);
+        ex->critical=(crit)?0xFF:0;
+        return(1);
+        }
+
+int X509_EXTENSION_set_data(ex,data)
+X509_EXTENSION *ex;
+ASN1_OCTET_STRING *data;
+        {
+        int i;
+
+        if (ex == NULL) return(0);
+        i=ASN1_OCTET_STRING_set(ex->value,data->data,data->length);
+        if (!i) return(0);
+        return(1);
+        }
+
+ASN1_OBJECT *X509_EXTENSION_get_object(ex)
+X509_EXTENSION *ex;
+        {
+        if (ex == NULL) return(NULL);
+        return(ex->object);
+        }
+
+ASN1_OCTET_STRING *X509_EXTENSION_get_data(ex)
+X509_EXTENSION *ex;
+        {
+        if (ex == NULL) return(NULL);
+        return(ex->value);
+        }
+
+int X509_EXTENSION_get_critical(ex)
+X509_EXTENSION *ex;
+        {
+        if (ex == NULL) return(0);
+        return(ex->critical);
+        }
+
+int X509v3_data_type_by_OBJ(obj)
+ASN1_OBJECT *obj;
+        {
+        int nid;
+
+        nid=OBJ_obj2nid(obj);
+        if (nid == V_ASN1_UNDEF) return(V_ASN1_UNDEF);
+        return(X509v3_data_type_by_NID(nid));
+        }
+
+int X509v3_data_type_by_NID(nid)
+int nid;
+        {
+        X509_EXTENSION_METHOD *x;
+
+        x=find_by_nid(nid);
+        if (x == NULL)
+                return(V_ASN1_UNDEF);
+        else
+                return(x->data_type);
+        }
+
+int X509v3_pack_type_by_OBJ(obj)
+ASN1_OBJECT *obj;
+        {
+        int nid;
+
+        nid=OBJ_obj2nid(obj);
+        if (nid == NID_undef) return(X509_EXT_PACK_UNKNOWN);
+        return(X509v3_pack_type_by_NID(nid));
+        }
+
+int X509v3_pack_type_by_NID(nid)
+int nid;
+        {
+        X509_EXTENSION_METHOD *x;
+
+        x=find_by_nid(nid);
+        if (x == NULL)
+                return(X509_EXT_PACK_UNKNOWN);
+        else
+                return(x->pack_type);
+        }
+
+static X509_EXTENSION_METHOD *find_by_nid(nid)
+int nid;
+        {
+        X509_EXTENSION_METHOD x;
+        int i;
+
+        x.nid=nid;
+        if (extensions == NULL) return(NULL);
+        i=sk_find(extensions,(char *)&x);
+        if (i < 0)
+                return(NULL);
+        else
+                return((X509_EXTENSION_METHOD *)sk_value(extensions,i));
+        }
+
+static int xem_cmp(a,b)
+X509_EXTENSION_METHOD **a,**b;
+        {
+        return((*a)->nid-(*b)->nid);
+        }
+
+void X509v3_cleanup_extensions()
+        {
+        int i;
+
+        if (extensions != NULL)
+                {
+                for (i=0; i<sk_num(extensions); i++)
+                        Free(sk_value(extensions,i));
+                sk_free(extensions);
+                extensions=NULL;
+                }
+        }
+
+int X509v3_add_extension(x)
+X509_EXTENSION_METHOD *x;
+        {
+        X509_EXTENSION_METHOD *newx;
+
+        if (extensions == NULL)
+                {
+                extensions=sk_new(xem_cmp);
+                if (extensions == NULL) goto err;
+                }
+        newx=(X509_EXTENSION_METHOD *)Malloc(sizeof(X509_EXTENSION_METHOD));
+        if (newx == NULL) goto err;
+        newx->nid=x->nid;
+        newx->data_type=x->data_type;
+        newx->pack_type=x->pack_type;
+        if (!sk_push(extensions,(char *)newx))
+                {
+                Free(newx);
+                goto err;
+                }
+        return(1);
+err:
+        X509err(X509_F_X509V3_ADD_EXTENSION,ERR_R_MALLOC_FAILURE);
+        return(0);
+        }
+