2 /* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
68 #define FORMAT_UNDEF 0
73 /* -inform arg - input format - default PEM (DER or PEM)
74 * -in arg - input file - default stdin
75 * -i - indent the details by depth
76 * -offset - where in the file to start
77 * -length - how many bytes to use
81 #define PROG asn1parse_main
87 int i,badops=0,offset=0,ret=1;
88 unsigned int length=0;
90 BIO *in=NULL,*out=NULL,*b64=NULL;
91 int informat,indent=0;
92 char *infile,*str=NULL,*prog;
101 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
102 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE);
109 if (strcmp(*argv,"-inform") == 0)
111 if (--argc < 1) goto bad;
112 informat=str2fmt(*(++argv));
114 else if (strcmp(*argv,"-in") == 0)
116 if (--argc < 1) goto bad;
119 else if (strcmp(*argv,"-i") == 0)
123 else if (strcmp(*argv,"-offset") == 0)
125 if (--argc < 1) goto bad;
126 offset= atoi(*(++argv));
128 else if (strcmp(*argv,"-length") == 0)
130 if (--argc < 1) goto bad;
131 length= atoi(*(++argv));
132 if (length == 0) goto bad;
136 BIO_printf(bio_err,"unknown option %s\n",*argv);
147 BIO_printf(bio_err,"%s [options] <infile\n",prog);
148 BIO_printf(bio_err,"where options are\n");
149 BIO_printf(bio_err," -inform arg input format - one of DER TXT PEM\n");
150 BIO_printf(bio_err," -in arg inout file\n");
151 BIO_printf(bio_err," -offset arg offset into file\n");
152 BIO_printf(bio_err," -length arg lenth of section in file\n");
153 BIO_printf(bio_err," -i indent entries\n");
157 ERR_load_crypto_strings();
159 in=BIO_new(BIO_s_file());
160 out=BIO_new(BIO_s_file());
161 if ((in == NULL) || (out == NULL))
163 ERR_print_errors(bio_err);
166 BIO_set_fp(out,stdout,BIO_NOCLOSE);
168 BIO_set_fp(in,stdin,BIO_NOCLOSE);
171 if (BIO_read_filename(in,infile) <= 0)
178 if ((buf=BUF_MEM_new()) == NULL) goto end;
179 if (!BUF_MEM_grow(buf,BUFSIZ*8)) goto end; /* Pre-allocate :-) */
181 if (informat == FORMAT_PEM)
185 if ((b64=BIO_new(BIO_f_base64())) == NULL)
196 if (!BUF_MEM_grow(buf,(int)num+BUFSIZ)) goto end;
197 i=BIO_read(in,&(buf->data[num]),BUFSIZ);
203 if (length == 0) length=(unsigned int)num;
204 if (!ASN1_parse(out,(unsigned char *)&(str[offset]),length,indent))
206 ERR_print_errors(bio_err);
211 if (in != NULL) BIO_free(in);
212 if (out != NULL) BIO_free(out);
213 if (b64 != NULL) BIO_free(b64);
215 ERR_print_errors(bio_err);
216 if (buf != NULL) BUF_MEM_free(buf);