ssl/libcrypto/src/crypto/asn1/asn1_par.c
changeset 0 e4d67989cc36
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ssl/libcrypto/src/crypto/asn1/asn1_par.c	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,467 @@
+/* crypto/asn1/asn1_par.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.]
+ */
+ /*
+ © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.
+ */
+ 
+
+#include <stdio.h>
+#include "cryptlib.h"
+#include <openssl/buffer.h>
+#include <openssl/objects.h>
+#include <openssl/asn1.h>
+#if (defined(SYMBIAN) && (defined(__WINSCW__) || defined(__WINS__)))
+#include "libcrypto_wsd.h"
+#include "libcrypto_wsd_macros.h"
+#endif
+
+static int asn1_print_info(BIO *bp, int tag, int xclass,int constructed,
+	int indent);
+static int asn1_parse2(BIO *bp, const unsigned char **pp, long length,
+	int offset, int depth, int indent, int dump);
+static int asn1_print_info(BIO *bp, int tag, int xclass, int constructed,
+	     int indent)
+	{
+	static const char fmt[]="%-18s";
+	static const char fmt2[]="%2d %-15s";
+#ifndef SYMBIAN	
+	char str[128];
+#else
+  char str[50];
+#endif	
+	const char *p,*p2=NULL;
+
+	if (constructed & V_ASN1_CONSTRUCTED)
+		p="cons: ";
+	else
+		p="prim: ";
+	if (BIO_write(bp,p,6) < 6) goto err;
+	BIO_indent(bp,indent,128);
+
+	p=str;
+	if ((xclass & V_ASN1_PRIVATE) == V_ASN1_PRIVATE)
+		BIO_snprintf(str,sizeof str,"priv [ %d ] ",tag);
+	else if ((xclass & V_ASN1_CONTEXT_SPECIFIC) == V_ASN1_CONTEXT_SPECIFIC)
+		BIO_snprintf(str,sizeof str,"cont [ %d ]",tag);
+	else if ((xclass & V_ASN1_APPLICATION) == V_ASN1_APPLICATION)
+		BIO_snprintf(str,sizeof str,"appl [ %d ]",tag);
+	else if (tag > 30)
+		BIO_snprintf(str,sizeof str,"<ASN1 %d>",tag);
+	else p = ASN1_tag2str(tag);
+
+	if (p2 != NULL)
+		{
+		if (BIO_printf(bp,fmt2,tag,p2) <= 0) goto err;
+		}
+	else
+		{
+		if (BIO_printf(bp,fmt,p) <= 0) goto err;
+		}
+	return(1);
+err:
+	return(0);
+	}
+
+EXPORT_C int ASN1_parse(BIO *bp, const unsigned char *pp, long len, int indent)
+	{
+	return(asn1_parse2(bp,&pp,len,0,0,indent,0));
+	}
+
+EXPORT_C int ASN1_parse_dump(BIO *bp, const unsigned char *pp, long len, int indent, int dump)
+	{
+	return(asn1_parse2(bp,&pp,len,0,0,indent,dump));
+	}
+
+static int asn1_parse2(BIO *bp, const unsigned char **pp, long length, int offset,
+	     int depth, int indent, int dump)
+	{
+	const unsigned char *p,*ep,*tot,*op,*opp;
+	long len;
+	int tag,xclass,ret=0;
+	int nl,hl,j,r;
+	ASN1_OBJECT *o=NULL;
+	ASN1_OCTET_STRING *os=NULL;
+	/* ASN1_BMPSTRING *bmp=NULL;*/
+	int dump_indent;
+
+#if 0
+	dump_indent = indent;
+#else
+	dump_indent = 6;	/* Because we know BIO_dump_indent() */
+#endif
+	p= *pp;
+	tot=p+length;
+	op=p-1;
+	while ((p < tot) && (op < p))
+		{
+		op=p;
+		j=ASN1_get_object(&p,&len,&tag,&xclass,length);
+#ifdef LINT
+		j=j;
+#endif
+		if (j & 0x80)
+			{
+			if (BIO_write(bp,"Error in encoding\n",18) <= 0)
+				goto end;
+			ret=0;
+			goto end;
+			}
+		hl=(p-op);
+		length-=hl;
+		/* if j == 0x21 it is a constructed indefinite length object */
+		if (BIO_printf(bp,"%5ld:",(long)offset+(long)(op- *pp))
+			<= 0) goto end;
+
+		if (j != (V_ASN1_CONSTRUCTED | 1))
+			{
+			if (BIO_printf(bp,"d=%-2d hl=%ld l=%4ld ",
+				depth,(long)hl,len) <= 0)
+				goto end;
+			}
+		else
+			{
+			if (BIO_printf(bp,"d=%-2d hl=%ld l=inf  ",
+				depth,(long)hl) <= 0)
+				goto end;
+			}
+		if (!asn1_print_info(bp,tag,xclass,j,(indent)?depth:0))
+			goto end;
+		if (j & V_ASN1_CONSTRUCTED)
+			{
+			ep=p+len;
+			if (BIO_write(bp,"\n",1) <= 0) goto end;
+			if (len > length)
+				{
+				BIO_printf(bp,
+					"length is greater than %ld\n",length);
+				ret=0;
+				goto end;
+				}
+			if ((j == 0x21) && (len == 0))
+				{
+				for (;;)
+					{
+					r=asn1_parse2(bp,&p,(long)(tot-p),
+						offset+(p - *pp),depth+1,
+						indent,dump);
+					if (r == 0) { ret=0; goto end; }
+					if ((r == 2) || (p >= tot)) break;
+					}
+				}
+			else
+				while (p < ep)
+					{
+					r=asn1_parse2(bp,&p,(long)len,
+						offset+(p - *pp),depth+1,
+						indent,dump);
+					if (r == 0) { ret=0; goto end; }
+					}
+			}
+		else if (xclass != 0)
+			{
+			p+=len;
+			if (BIO_write(bp,"\n",1) <= 0) goto end;
+			}
+		else
+			{
+			nl=0;
+			if (	(tag == V_ASN1_PRINTABLESTRING) ||
+				(tag == V_ASN1_T61STRING) ||
+				(tag == V_ASN1_IA5STRING) ||
+				(tag == V_ASN1_VISIBLESTRING) ||
+				(tag == V_ASN1_UTCTIME) ||
+				(tag == V_ASN1_GENERALIZEDTIME))
+				{
+				if (BIO_write(bp,":",1) <= 0) goto end;
+				if ((len > 0) &&
+					BIO_write(bp,(const char *)p,(int)len)
+					!= (int)len)
+					goto end;
+				}
+			else if (tag == V_ASN1_OBJECT)
+				{
+				opp=op;
+				if (d2i_ASN1_OBJECT(&o,&opp,len+hl) != NULL)
+					{
+					if (BIO_write(bp,":",1) <= 0) goto end;
+					i2a_ASN1_OBJECT(bp,o);
+					}
+				else
+					{
+					if (BIO_write(bp,":BAD OBJECT",11) <= 0)
+						goto end;
+					}
+				}
+			else if (tag == V_ASN1_BOOLEAN)
+				{
+				int ii;
+
+				opp=op;
+				ii=d2i_ASN1_BOOLEAN(NULL,&opp,len+hl);
+				if (ii < 0)
+					{
+					if (BIO_write(bp,"Bad boolean\n",12))
+						goto end;
+					}
+				BIO_printf(bp,":%d",ii);
+				}
+			else if (tag == V_ASN1_BMPSTRING)
+				{
+				/* do the BMP thang */
+				}
+			else if (tag == V_ASN1_OCTET_STRING)
+				{
+				int i,printable=1;
+
+				opp=op;
+				os=d2i_ASN1_OCTET_STRING(NULL,&opp,len+hl);
+				if (os != NULL && os->length > 0)
+					{
+					opp = os->data;
+					/* testing whether the octet string is
+					 * printable */
+					for (i=0; i<os->length; i++)
+						{
+						if ((	(opp[i] < ' ') &&
+							(opp[i] != '\n') &&
+							(opp[i] != '\r') &&
+							(opp[i] != '\t')) ||
+							(opp[i] > '~'))
+							{
+							printable=0;
+							break;
+							}
+						}
+					if (printable)
+					/* printable string */
+						{
+						if (BIO_write(bp,":",1) <= 0)
+							goto end;
+						if (BIO_write(bp,(const char *)opp,
+							os->length) <= 0)
+							goto end;
+						}
+					else if (!dump)
+					/* not printable => print octet string
+					 * as hex dump */
+						{
+						if (BIO_write(bp,"[HEX DUMP]:",11) <= 0)
+							goto end;
+						for (i=0; i<os->length; i++)
+							{
+							if (BIO_printf(bp,"%02X"
+								, opp[i]) <= 0)
+								goto end;
+							}
+						}
+					else
+					/* print the normal dump */
+						{
+						if (!nl) 
+							{
+							if (BIO_write(bp,"\n",1) <= 0)
+								goto end;
+							}
+						if (BIO_dump_indent(bp,
+							(const char *)opp,
+							((dump == -1 || dump > 
+							os->length)?os->length:dump),
+							dump_indent) <= 0)
+							goto end;
+						nl=1;
+						}
+					}
+				if (os != NULL)
+					{
+					M_ASN1_OCTET_STRING_free(os);
+					os=NULL;
+					}
+				}
+			else if (tag == V_ASN1_INTEGER)
+				{
+				ASN1_INTEGER *bs;
+				int i;
+
+				opp=op;
+				bs=d2i_ASN1_INTEGER(NULL,&opp,len+hl);
+				if (bs != NULL)
+					{
+					if (BIO_write(bp,":",1) <= 0) goto end;
+					if (bs->type == V_ASN1_NEG_INTEGER)
+						if (BIO_write(bp,"-",1) <= 0)
+							goto end;
+					for (i=0; i<bs->length; i++)
+						{
+						if (BIO_printf(bp,"%02X",
+							bs->data[i]) <= 0)
+							goto end;
+						}
+					if (bs->length == 0)
+						{
+						if (BIO_write(bp,"00",2) <= 0)
+							goto end;
+						}
+					}
+				else
+					{
+					if (BIO_write(bp,"BAD INTEGER",11) <= 0)
+						goto end;
+					}
+				M_ASN1_INTEGER_free(bs);
+				}
+			else if (tag == V_ASN1_ENUMERATED)
+				{
+				ASN1_ENUMERATED *bs;
+				int i;
+
+				opp=op;
+				bs=d2i_ASN1_ENUMERATED(NULL,&opp,len+hl);
+				if (bs != NULL)
+					{
+					if (BIO_write(bp,":",1) <= 0) goto end;
+					if (bs->type == V_ASN1_NEG_ENUMERATED)
+						if (BIO_write(bp,"-",1) <= 0)
+							goto end;
+					for (i=0; i<bs->length; i++)
+						{
+						if (BIO_printf(bp,"%02X",
+							bs->data[i]) <= 0)
+							goto end;
+						}
+					if (bs->length == 0)
+						{
+						if (BIO_write(bp,"00",2) <= 0)
+							goto end;
+						}
+					}
+				else
+					{
+					if (BIO_write(bp,"BAD ENUMERATED",11) <= 0)
+						goto end;
+					}
+				M_ASN1_ENUMERATED_free(bs);
+				}
+			else if (len > 0 && dump)
+				{
+				if (!nl) 
+					{
+					if (BIO_write(bp,"\n",1) <= 0)
+						goto end;
+					}
+				if (BIO_dump_indent(bp,(const char *)p,
+					((dump == -1 || dump > len)?len:dump),
+					dump_indent) <= 0)
+					goto end;
+				nl=1;
+				}
+
+			if (!nl) 
+				{
+				if (BIO_write(bp,"\n",1) <= 0) goto end;
+				}
+			p+=len;
+			if ((tag == V_ASN1_EOC) && (xclass == 0))
+				{
+				ret=2; /* End of sequence */
+				goto end;
+				}
+			}
+		length-=len;
+		}
+	ret=1;
+end:
+	if (o != NULL) ASN1_OBJECT_free(o);
+	if (os != NULL) M_ASN1_OCTET_STRING_free(os);
+	*pp=p;
+	return(ret);
+	}
+
+EXPORT_C const char *ASN1_tag2str(int tag)
+{
+#ifndef EMULATOR
+	static const char *tag2str[] = {
+	 "EOC", "BOOLEAN", "INTEGER", "BIT STRING", "OCTET STRING", /* 0-4 */
+	 "NULL", "OBJECT", "OBJECT DESCRIPTOR", "EXTERNAL", "REAL", /* 5-9 */
+	 "ENUMERATED", "<ASN1 11>", "UTF8STRING", "<ASN1 13>", 	    /* 10-13 */
+	"<ASN1 14>", "<ASN1 15>", "SEQUENCE", "SET", 		    /* 15-17 */
+	"NUMERICSTRING", "PRINTABLESTRING", "T61STRING",	    /* 18-20 */
+	"VIDEOTEXSTRING", "IA5STRING", "UTCTIME","GENERALIZEDTIME", /* 21-24 */
+	"GRAPHICSTRING", "VISIBLESTRING", "GENERALSTRING",	    /* 25-27 */
+	"UNIVERSALSTRING", "<ASN1 29>", "BMPSTRING"		    /* 28-30 */
+	};
+#else
+	static const char *const tag2str[] = {
+	 "EOC", "BOOLEAN", "INTEGER", "BIT STRING", "OCTET STRING", /* 0-4 */
+	 "NULL", "OBJECT", "OBJECT DESCRIPTOR", "EXTERNAL", "REAL", /* 5-9 */
+	 "ENUMERATED", "<ASN1 11>", "UTF8STRING", "<ASN1 13>", 	    /* 10-13 */
+	"<ASN1 14>", "<ASN1 15>", "SEQUENCE", "SET", 		    /* 15-17 */
+	"NUMERICSTRING", "PRINTABLESTRING", "T61STRING",	    /* 18-20 */
+	"VIDEOTEXSTRING", "IA5STRING", "UTCTIME","GENERALIZEDTIME", /* 21-24 */
+	"GRAPHICSTRING", "VISIBLESTRING", "GENERALSTRING",	    /* 25-27 */
+	"UNIVERSALSTRING", "<ASN1 29>", "BMPSTRING"		    /* 28-30 */
+	};
+	
+	
+#endif
+	if((tag == V_ASN1_NEG_INTEGER) || (tag == V_ASN1_NEG_ENUMERATED))
+							tag &= ~0x100;
+
+	if(tag < 0 || tag > 30) return "(unknown)";
+	return tag2str[tag];
+}
+