#include <stdio.h>
#include "cryptlib.h"
-#include "buffer.h"
-#include "objects.h"
-#include "x509.h"
+#include <openssl/buffer.h>
+#include <openssl/objects.h>
+#include <openssl/asn1.h>
-#ifndef NOPROTO
static int asn1_print_info(BIO *bp, int tag, int xclass,int constructed,
int indent);
-static int asn1_parse2(BIO *bp, unsigned char **pp, long length,
- int offset, int depth, int indent);
-#else
-static int asn1_print_info();
-static int asn1_parse2();
-#endif
-
-static int asn1_print_info(bp, tag, xclass, constructed,indent)
-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 char *fmt="%-18s";
- static char *fmt2="%2d %-15s";
- char *p,str[128],*p2=NULL;
+ static const char fmt[]="%-18s";
+ char str[128];
+ const char *p;
if (constructed & V_ASN1_CONSTRUCTED)
p="cons: ";
else
p="prim: ";
if (BIO_write(bp,p,6) < 6) goto err;
- if (indent)
- {
- if (indent > 128) indent=128;
- memset(str,' ',indent);
- if (BIO_write(bp,str,indent) < indent) goto err;
- }
+ BIO_indent(bp,indent,128);
p=str;
if ((xclass & V_ASN1_PRIVATE) == V_ASN1_PRIVATE)
- sprintf(str,"priv [ %d ] ",tag);
+ BIO_snprintf(str,sizeof str,"priv [ %d ] ",tag);
else if ((xclass & V_ASN1_CONTEXT_SPECIFIC) == V_ASN1_CONTEXT_SPECIFIC)
- sprintf(str,"cont [ %d ]",tag);
+ BIO_snprintf(str,sizeof str,"cont [ %d ]",tag);
else if ((xclass & V_ASN1_APPLICATION) == V_ASN1_APPLICATION)
- sprintf(str,"appl [ %d ]",tag);
- else if ((tag == V_ASN1_EOC) /* && (xclass == V_ASN1_UNIVERSAL) */)
- p="EOC";
- else if (tag == V_ASN1_BOOLEAN)
- p="BOOLEAN";
- else if (tag == V_ASN1_INTEGER)
- p="INTEGER";
- else if (tag == V_ASN1_BIT_STRING)
- p="BIT STRING";
- else if (tag == V_ASN1_OCTET_STRING)
- p="OCTET STRING";
- else if (tag == V_ASN1_NULL)
- p="NULL";
- else if (tag == V_ASN1_OBJECT)
- p="OBJECT";
- else if (tag == V_ASN1_SEQUENCE)
- p="SEQUENCE";
- else if (tag == V_ASN1_SET)
- p="SET";
- else if (tag == V_ASN1_PRINTABLESTRING)
- p="PRINTABLESTRING";
- else if (tag == V_ASN1_T61STRING)
- p="T61STRING";
- else if (tag == V_ASN1_IA5STRING)
- p="IA5STRING";
- else if (tag == V_ASN1_UTCTIME)
- p="UTCTIME";
-
- /* extras */
- else if (tag == V_ASN1_NUMERICSTRING)
- p="NUMERICSTRING";
- else if (tag == V_ASN1_VIDEOTEXSTRING)
- p="VIDEOTEXSTRING";
- else if (tag == V_ASN1_GENERALIZEDTIME)
- p="GENERALIZEDTIME";
- else if (tag == V_ASN1_GRAPHICSTRING)
- p="GRAPHICSTRING";
- else if (tag == V_ASN1_ISO64STRING)
- p="ISO64STRING";
- else if (tag == V_ASN1_GENERALSTRING)
- p="GENERALSTRING";
- else if (tag == V_ASN1_UNIVERSALSTRING)
- p="UNIVERSALSTRING";
- else if (tag == V_ASN1_BMPSTRING)
- p="BMPSTRING";
- else
- p2="(unknown)";
-
- if (p2 != NULL)
- {
- if (BIO_printf(bp,fmt2,tag,p2) <= 0) goto err;
- }
+ BIO_snprintf(str,sizeof str,"appl [ %d ]",tag);
+ else if (tag > 30)
+ BIO_snprintf(str,sizeof str,"<ASN1 %d>",tag);
else
- {
- if (BIO_printf(bp,fmt,p) <= 0) goto err;
- }
+ p = ASN1_tag2str(tag);
+
+ if (BIO_printf(bp,fmt,p) <= 0)
+ goto err;
return(1);
err:
return(0);
}
-int ASN1_parse(bp, pp, len, indent)
-BIO *bp;
-unsigned char *pp;
-long len;
-int indent;
+int ASN1_parse(BIO *bp, const unsigned char *pp, long len, int indent)
+ {
+ return(asn1_parse2(bp,&pp,len,0,0,indent,0));
+ }
+
+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));
+ return(asn1_parse2(bp,&pp,len,0,0,indent,dump));
}
-static int asn1_parse2(bp, pp, length, offset, depth, indent)
-BIO *bp;
-unsigned char **pp;
-long length;
-int offset;
-int depth;
-int indent;
+static int asn1_parse2(BIO *bp, const unsigned char **pp, long length, int offset,
+ int depth, int indent, int dump)
{
- unsigned char *p,*ep,*tot,*op,*opp;
+ 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;
{
r=asn1_parse2(bp,&p,(long)(tot-p),
offset+(p - *pp),depth+1,
- indent);
+ indent,dump);
if (r == 0) { ret=0; goto end; }
if ((r == 2) || (p >= tot)) break;
}
{
r=asn1_parse2(bp,&p,(long)len,
offset+(p - *pp),depth+1,
- indent);
+ indent,dump);
if (r == 0) { ret=0; goto end; }
}
}
if ( (tag == V_ASN1_PRINTABLESTRING) ||
(tag == V_ASN1_T61STRING) ||
(tag == V_ASN1_IA5STRING) ||
- (tag == V_ASN1_UTCTIME))
+ (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,(char *)p,(int)len)
+ BIO_write(bp,(const char *)p,(int)len)
!= (int)len)
goto end;
}
opp=op;
os=d2i_ASN1_OCTET_STRING(NULL,&opp,len+hl);
- if (os != NULL)
+ if (os != NULL && os->length > 0)
{
- opp=os->data;
+ opp = os->data;
+ /* testing whether the octet string is
+ * printable */
for (i=0; i<os->length; i++)
{
if (( (opp[i] < ' ') &&
break;
}
}
- if (printable && (os->length > 0))
+ if (printable)
+ /* printable string */
{
if (BIO_write(bp,":",1) <= 0)
goto end;
- if (BIO_write(bp,(char *)opp,
+ if (BIO_write(bp,(const char *)opp,
os->length) <= 0)
goto end;
}
- ASN1_OCTET_STRING_free(os);
+ 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;
}
}
if (BIO_write(bp,"BAD INTEGER",11) <= 0)
goto end;
}
- ASN1_INTEGER_free(bs);
+ 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)
ret=1;
end:
if (o != NULL) ASN1_OBJECT_free(o);
- if (os != NULL) ASN1_OCTET_STRING_free(os);
+ if (os != NULL) M_ASN1_OCTET_STRING_free(os);
*pp=p;
return(ret);
}
+
+const char *ASN1_tag2str(int tag)
+{
+ 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 */
+ };
+
+ if((tag == V_ASN1_NEG_INTEGER) || (tag == V_ASN1_NEG_ENUMERATED))
+ tag &= ~0x100;
+
+ if(tag < 0 || tag > 30) return "(unknown)";
+ return tag2str[tag];
+}
+