Import of old SSLeay release: SSLeay 0.8.1b
diff --git a/crypto/objects/obj_dat.c b/crypto/objects/obj_dat.c
new file mode 100644
index 0000000..86c3d38
--- /dev/null
+++ b/crypto/objects/obj_dat.c
@@ -0,0 +1,501 @@
+/* crypto/objects/obj_dat.c */
+/* Copyright (C) 1995-1997 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 "asn1.h"
+#include "objects.h"
+
+/* obj_dat.h is generated from objects.h by obj_dat.pl */
+#include "obj_dat.h"
+
+#ifndef NOPROTO
+static int sn_cmp(ASN1_OBJECT **a, ASN1_OBJECT **b);
+static int ln_cmp(ASN1_OBJECT **a, ASN1_OBJECT **b);
+static int obj_cmp(ASN1_OBJECT **a, ASN1_OBJECT **b);
+#else
+static int sn_cmp();
+static int ln_cmp();
+static int obj_cmp();
+#endif
+
+#define ADDED_DATA	0
+#define ADDED_SNAME	1
+#define ADDED_LNAME	2
+#define ADDED_NID	3
+
+typedef struct added_obj_st
+	{
+	int type;
+	ASN1_OBJECT *obj;
+	} ADDED_OBJ;
+
+static int new_nid=NUM_NID;
+static LHASH *added=NULL;
+
+static int sn_cmp(ap,bp)
+ASN1_OBJECT **ap;
+ASN1_OBJECT **bp;
+	{ return(strcmp((*ap)->sn,(*bp)->sn)); }
+
+static int ln_cmp(ap,bp)
+ASN1_OBJECT **ap;
+ASN1_OBJECT **bp;
+	{ return(strcmp((*ap)->ln,(*bp)->ln)); }
+
+static unsigned long add_hash(ca)
+ADDED_OBJ *ca;
+	{
+	ASN1_OBJECT *a;
+	int i;
+	unsigned long ret=0;
+	unsigned char *p;
+
+	a=ca->obj;
+	switch (ca->type)
+		{
+	case ADDED_DATA:
+		ret=a->length<<20L;
+		p=(unsigned char *)a->data;
+		for (i=0; i<a->length; i++)
+			ret^=p[i]<<((i*3)%24);
+		break;
+	case ADDED_SNAME:
+		ret=lh_strhash(a->sn);
+		break;
+	case ADDED_LNAME:
+		ret=lh_strhash(a->ln);
+		break;
+	case ADDED_NID:
+		ret=a->nid;
+		break;
+	default:
+		abort();
+		}
+	ret&=0x3fffffff;
+	ret|=ca->type<<30L;
+	return(ret);
+	}
+
+static int add_cmp(ca,cb)
+ADDED_OBJ *ca,*cb;
+	{
+	ASN1_OBJECT *a,*b;
+	int i;
+
+	i=ca->type-cb->type;
+	if (i) return(i);
+	a=ca->obj;
+	b=cb->obj;
+	switch (ca->type)
+		{
+	case ADDED_DATA:
+		i=(a->length - b->length);
+		if (i) return(i);
+		return(memcmp(a->data,b->data,a->length));
+	case ADDED_SNAME:
+		if (a->sn == NULL) return(-1);
+		else if (b->sn == NULL) return(1);
+		else return(strcmp(a->sn,b->sn));
+	case ADDED_LNAME:
+		if (a->ln == NULL) return(-1);
+		else if (b->ln == NULL) return(1);
+		else return(strcmp(a->ln,b->ln));
+	case ADDED_NID:
+		return(a->nid-b->nid);
+	default:
+		abort();
+		}
+	}
+
+static int init_added()
+	{
+	if (added != NULL) return(1);
+	added=lh_new(add_hash,add_cmp);
+	return(added != NULL);
+	}
+
+static void cleanup1(a)
+ADDED_OBJ *a;
+	{
+	a->obj->nid=0;
+	a->obj->flags|=ASN1_OBJECT_FLAG_DYNAMIC|
+	                ASN1_OBJECT_FLAG_DYNAMIC_STRINGS;
+	}
+
+static void cleanup2(a)
+ADDED_OBJ *a;
+	{ a->obj->nid++; }
+
+static void cleanup3(a)
+ADDED_OBJ *a;
+	{
+	if (--a->obj->nid == 0)
+		ASN1_OBJECT_free(a->obj);
+	Free(a);
+	}
+
+void OBJ_cleanup()
+	{
+	if (added == NULL) return;
+	added->down_load=0;
+	lh_doall(added,cleanup1); /* zero counters */
+	lh_doall(added,cleanup2); /* set counters */
+	lh_doall(added,cleanup3); /* free objects */
+	lh_free(added);
+	}
+
+int OBJ_new_nid(num)
+int num;
+	{
+	int i;
+
+	i=new_nid;
+	new_nid+=num;
+	return(i);
+	}
+
+int OBJ_add_object(obj)
+ASN1_OBJECT *obj;
+	{
+	ASN1_OBJECT *o;
+	ADDED_OBJ *ao[4],*aop;
+	int i;
+
+	if (added == NULL)
+		if (!init_added()) return(0);
+	if ((o=OBJ_dup(obj)) == NULL) goto err;
+	ao[ADDED_DATA]=NULL;
+	ao[ADDED_SNAME]=NULL;
+	ao[ADDED_LNAME]=NULL;
+	ao[ADDED_NID]=NULL;
+	ao[ADDED_NID]=(ADDED_OBJ *)Malloc(sizeof(ADDED_OBJ));
+	if ((o->length != 0) && (obj->data != NULL))
+		ao[ADDED_DATA]=(ADDED_OBJ *)Malloc(sizeof(ADDED_OBJ));
+	if (o->sn != NULL)
+		ao[ADDED_SNAME]=(ADDED_OBJ *)Malloc(sizeof(ADDED_OBJ));
+	if (o->ln != NULL)
+		ao[ADDED_LNAME]=(ADDED_OBJ *)Malloc(sizeof(ADDED_OBJ));
+
+	for (i=ADDED_DATA; i<=ADDED_NID; i++)
+		{
+		if (ao[i] != NULL)
+			{
+			ao[i]->type=i;
+			ao[i]->obj=o;
+			aop=(ADDED_OBJ *)lh_insert(added,(char *)ao[i]);
+			/* memory leak, buit should not normally matter */
+			if (aop != NULL)
+				Free(aop);
+			}
+		}
+	o->flags&= ~(ASN1_OBJECT_FLAG_DYNAMIC|ASN1_OBJECT_FLAG_DYNAMIC_STRINGS);
+	return(o->nid);
+err:
+	for (i=ADDED_DATA; i<=ADDED_NID; i++)
+		if (ao[i] != NULL) Free(ao[i]);
+	if (o != NULL) Free(o);
+	return(0);
+	}
+
+ASN1_OBJECT *OBJ_nid2obj(n)
+int n;
+	{
+	ADDED_OBJ ad,*adp;
+	ASN1_OBJECT ob;
+
+	if ((n >= 0) && (n < NUM_NID))
+		{
+		if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
+			{
+			OBJerr(OBJ_F_OBJ_NID2OBJ,OBJ_R_UNKNOWN_NID);
+			return(NULL);
+			}
+		return((ASN1_OBJECT *)&(nid_objs[n]));
+		}
+	else if (added == NULL)
+		return(NULL);
+	else
+		{
+		ad.type=ADDED_NID;
+		ad.obj= &ob;
+		ob.nid=n;
+		adp=(ADDED_OBJ *)lh_retrieve(added,(char *)&ad);
+		if (adp != NULL)
+			return(adp->obj);
+		else
+			{
+			OBJerr(OBJ_F_OBJ_NID2OBJ,OBJ_R_UNKNOWN_NID);
+			return(NULL);
+			}
+		}
+	}
+
+char *OBJ_nid2sn(n)
+int n;
+	{
+	ADDED_OBJ ad,*adp;
+	ASN1_OBJECT ob;
+
+	if ((n >= 0) && (n < NUM_NID))
+		{
+		if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
+			{
+			OBJerr(OBJ_F_OBJ_NID2SN,OBJ_R_UNKNOWN_NID);
+			return(NULL);
+			}
+		return(nid_objs[n].sn);
+		}
+	else if (added == NULL)
+		return(NULL);
+	else
+		{
+		ad.type=ADDED_NID;
+		ad.obj= &ob;
+		ob.nid=n;
+		adp=(ADDED_OBJ *)lh_retrieve(added,(char *)&ad);
+		if (adp != NULL)
+			return(adp->obj->sn);
+		else
+			{
+			OBJerr(OBJ_F_OBJ_NID2SN,OBJ_R_UNKNOWN_NID);
+			return(NULL);
+			}
+		}
+	}
+
+char *OBJ_nid2ln(n)
+int n;
+	{
+	ADDED_OBJ ad,*adp;
+	ASN1_OBJECT ob;
+
+	if ((n >= 0) && (n < NUM_NID))
+		{
+		if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
+			{
+			OBJerr(OBJ_F_OBJ_NID2LN,OBJ_R_UNKNOWN_NID);
+			return(NULL);
+			}
+		return(nid_objs[n].ln);
+		}
+	else if (added == NULL)
+		return(NULL);
+	else
+		{
+		ad.type=ADDED_NID;
+		ad.obj= &ob;
+		ob.nid=n;
+		adp=(ADDED_OBJ *)lh_retrieve(added,(char *)&ad);
+		if (adp != NULL)
+			return(adp->obj->ln);
+		else
+			{
+			OBJerr(OBJ_F_OBJ_NID2LN,OBJ_R_UNKNOWN_NID);
+			return(NULL);
+			}
+		}
+	}
+
+int OBJ_obj2nid(a)
+ASN1_OBJECT *a;
+	{
+	ASN1_OBJECT **op;
+	ADDED_OBJ ad,*adp;
+
+	if (a == NULL)
+		return(NID_undef);
+	if (a->nid != 0)
+		return(a->nid);
+
+	if (added != NULL)
+		{
+		ad.type=ADDED_DATA;
+		ad.obj=a;
+		adp=(ADDED_OBJ *)lh_retrieve(added,(char *)&ad);
+		if (adp != NULL) return (adp->obj->nid);
+		}
+	op=(ASN1_OBJECT **)OBJ_bsearch((char *)&a,(char *)obj_objs,NUM_OBJ,
+		sizeof(ASN1_OBJECT *),(int (*)())obj_cmp);
+	if (op == NULL)
+		return(NID_undef);
+	return((*op)->nid);
+	}
+
+int OBJ_txt2nid(s)
+char *s;
+	{
+	int ret;
+
+	ret=OBJ_sn2nid(s);
+	if (ret == NID_undef)
+		return(OBJ_ln2nid(s));
+	else
+		return(ret);
+	}
+
+int OBJ_ln2nid(s)
+char *s;
+	{
+	ASN1_OBJECT o,*oo= &o,**op;
+	ADDED_OBJ ad,*adp;
+
+	o.ln=s;
+	if (added != NULL)
+		{
+		ad.type=ADDED_LNAME;
+		ad.obj= &o;
+		adp=(ADDED_OBJ *)lh_retrieve(added,(char *)&ad);
+		if (adp != NULL) return (adp->obj->nid);
+		}
+	op=(ASN1_OBJECT **)OBJ_bsearch((char *)&oo,(char *)ln_objs,NUM_LN,
+		sizeof(ASN1_OBJECT *),(int (*)())ln_cmp);
+	if (op == NULL) return(NID_undef);
+	return((*op)->nid);
+	}
+
+int OBJ_sn2nid(s)
+char *s;
+	{
+	ASN1_OBJECT o,*oo= &o,**op;
+	ADDED_OBJ ad,*adp;
+
+	o.sn=s;
+	if (added != NULL)
+		{
+		ad.type=ADDED_SNAME;
+		ad.obj= &o;
+		adp=(ADDED_OBJ *)lh_retrieve(added,(char *)&ad);
+		if (adp != NULL) return (adp->obj->nid);
+		}
+	op=(ASN1_OBJECT **)OBJ_bsearch((char *)&oo,(char *)sn_objs,NUM_SN,
+		sizeof(ASN1_OBJECT *),(int (*)())sn_cmp);
+	if (op == NULL) return(NID_undef);
+	return((*op)->nid);
+	}
+
+static int obj_cmp(ap, bp)
+ASN1_OBJECT **ap;
+ASN1_OBJECT **bp;
+	{
+	int j;
+	ASN1_OBJECT *a= *ap;
+	ASN1_OBJECT *b= *bp;
+
+	j=(a->length - b->length);
+        if (j) return(j);
+	return(memcmp(a->data,b->data,a->length));
+        }
+
+char *OBJ_bsearch(key,base,num,size,cmp)
+char *key;
+char *base;
+int num;
+int size;
+int (*cmp)();
+	{
+	int l,h,i,c;
+	char *p;
+
+	if (num == 0) return(NULL);
+	l=0;
+	h=num;
+	while (l < h)
+		{
+		i=(l+h)/2;
+		p= &(base[i*size]);
+		c=(*cmp)(key,p);
+		if (c < 0)
+			h=i;
+		else if (c > 0)
+			l=i+1;
+		else
+			return(p);
+		}
+	return(NULL);
+	}
+
+int OBJ_create_and_add_object(oid,sn,ln)
+char *oid;
+char *sn;
+char *ln;
+	{
+	int ok=0;
+	ASN1_OBJECT *op=NULL;
+	unsigned char *buf;
+	int i;
+
+	i=a2d_ASN1_OBJECT(NULL,0,oid,-1);
+	if (i <= 0) return(0);
+
+	if ((buf=(unsigned char *)Malloc(i)) == NULL)
+		{
+		OBJerr(OBJ_F_OBJ_CREATE_AND_ADD_OBJECT,OBJ_R_MALLOC_FAILURE);
+		return(0);
+		}
+	i=a2d_ASN1_OBJECT(buf,i,oid,-1);
+	op=(ASN1_OBJECT *)ASN1_OBJECT_create(OBJ_new_nid(1),buf,i,sn,ln);
+	if (op == NULL) 
+		goto err;
+	ok=OBJ_add_object(op);
+err:
+	ASN1_OBJECT_free(op);
+	Free((char *)buf);
+	return(ok);
+	}