Import of old SSLeay release: SSLeay 0.8.1b
diff --git a/apps/asn1pars.c b/apps/asn1pars.c
new file mode 100644
index 0000000..111e282
--- /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);
+ }
+
