diff options
Diffstat (limited to 'app/openssl/crypto/asn1/asn1_par.c')
| -rw-r--r-- | app/openssl/crypto/asn1/asn1_par.c | 437 |
1 files changed, 437 insertions, 0 deletions
diff --git a/app/openssl/crypto/asn1/asn1_par.c b/app/openssl/crypto/asn1/asn1_par.c new file mode 100644 index 00000000..aaca69ae --- /dev/null +++ b/app/openssl/crypto/asn1/asn1_par.c @@ -0,0 +1,437 @@ +/* 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.] + */ + +#include <stdio.h> +#include "cryptlib.h" +#include <openssl/buffer.h> +#include <openssl/objects.h> +#include <openssl/asn1.h> + +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"; + 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; + 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 (BIO_printf(bp,fmt,p) <= 0) + goto err; + return(1); +err: + return(0); + } + +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,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_NUMERICSTRING) || + (tag == V_ASN1_UTF8STRING) || + (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) <= 0) + 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); + } + +const char *ASN1_tag2str(int tag) +{ + 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 */ + }; + + if((tag == V_ASN1_NEG_INTEGER) || (tag == V_ASN1_NEG_ENUMERATED)) + tag &= ~0x100; + + if(tag < 0 || tag > 30) return "(unknown)"; + return tag2str[tag]; +} + |