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Diffstat (limited to 'apps/asn1pars.c')
| -rw-r--r-- | apps/asn1pars.c | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/apps/asn1pars.c b/apps/asn1pars.c new file mode 100644 index 0000000000..111e282709 --- /dev/null +++ b/apps/asn1pars.c @@ -0,0 +1,219 @@ +/* apps/asn1pars.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 <stdlib.h> +#include <string.h> +#include "apps.h" +#include "err.h" +#include "evp.h" +#include "x509.h" +#include "pem.h" + +#define FORMAT_UNDEF 0 +#define FORMAT_ASN1 1 +#define FORMAT_TEXT 2 +#define FORMAT_PEM 3 + +/* -inform arg - input format - default PEM (DER or PEM) + * -in arg - input file - default stdin + * -i - indent the details by depth + * -offset - where in the file to start + * -length - how many bytes to use + */ + +#undef PROG +#define PROG asn1parse_main + +int MAIN(argc, argv) +int argc; +char **argv; + { + int i,badops=0,offset=0,ret=1; + unsigned int length=0; + long num; + BIO *in=NULL,*out=NULL,*b64=NULL; + int informat,indent=0; + char *infile,*str=NULL,*prog; + BUF_MEM *buf=NULL; + + infile=NULL; + informat=FORMAT_PEM; + + apps_startup(); + + if (bio_err == NULL) + if ((bio_err=BIO_new(BIO_s_file())) != NULL) + BIO_set_fp(bio_err,stderr,BIO_NOCLOSE); + + prog=argv[0]; + argc--; + argv++; + while (argc >= 1) + { + if (strcmp(*argv,"-inform") == 0) + { + if (--argc < 1) goto bad; + informat=str2fmt(*(++argv)); + } + else if (strcmp(*argv,"-in") == 0) + { + if (--argc < 1) goto bad; + infile= *(++argv); + } + else if (strcmp(*argv,"-i") == 0) + { + indent=1; + } + else if (strcmp(*argv,"-offset") == 0) + { + if (--argc < 1) goto bad; + offset= atoi(*(++argv)); + } + else if (strcmp(*argv,"-length") == 0) + { + if (--argc < 1) goto bad; + length= atoi(*(++argv)); + if (length == 0) goto bad; + } + else + { + BIO_printf(bio_err,"unknown option %s\n",*argv); + badops=1; + break; + } + argc--; + argv++; + } + + if (badops) + { +bad: + BIO_printf(bio_err,"%s [options] <infile\n",prog); + BIO_printf(bio_err,"where options are\n"); + BIO_printf(bio_err," -inform arg input format - one of DER TXT PEM\n"); + BIO_printf(bio_err," -in arg inout file\n"); + BIO_printf(bio_err," -offset arg offset into file\n"); + BIO_printf(bio_err," -length arg lenth of section in file\n"); + BIO_printf(bio_err," -i indent entries\n"); + goto end; + } + + ERR_load_crypto_strings(); + + in=BIO_new(BIO_s_file()); + out=BIO_new(BIO_s_file()); + if ((in == NULL) || (out == NULL)) + { + ERR_print_errors(bio_err); + goto end; + } + BIO_set_fp(out,stdout,BIO_NOCLOSE); + if (infile == NULL) + BIO_set_fp(in,stdin,BIO_NOCLOSE); + else + { + if (BIO_read_filename(in,infile) <= 0) + { + perror(infile); + goto end; + } + } + + if ((buf=BUF_MEM_new()) == NULL) goto end; + if (!BUF_MEM_grow(buf,BUFSIZ*8)) goto end; /* Pre-allocate :-) */ + + if (informat == FORMAT_PEM) + { + BIO *tmp; + + if ((b64=BIO_new(BIO_f_base64())) == NULL) + goto end; + BIO_push(b64,in); + tmp=in; + in=b64; + b64=tmp; + } + + num=0; + for (;;) + { + if (!BUF_MEM_grow(buf,(int)num+BUFSIZ)) goto end; + i=BIO_read(in,&(buf->data[num]),BUFSIZ); + if (i <= 0) break; + num+=i; + } + str=buf->data; + + if (length == 0) length=(unsigned int)num; + if (!ASN1_parse(out,(unsigned char *)&(str[offset]),length,indent)) + { + ERR_print_errors(bio_err); + goto end; + } + ret=0; +end: + if (in != NULL) BIO_free(in); + if (out != NULL) BIO_free(out); + if (b64 != NULL) BIO_free(b64); + if (ret != 0) + ERR_print_errors(bio_err); + if (buf != NULL) BUF_MEM_free(buf); + EXIT(ret); + } + |