diff options
Diffstat (limited to 'crypto/heimdal/lib/asn1/asn1_print.c')
| -rw-r--r-- | crypto/heimdal/lib/asn1/asn1_print.c | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/crypto/heimdal/lib/asn1/asn1_print.c b/crypto/heimdal/lib/asn1/asn1_print.c new file mode 100644 index 0000000..92e6419 --- /dev/null +++ b/crypto/heimdal/lib/asn1/asn1_print.c @@ -0,0 +1,239 @@ +/* + * Copyright (c) 1997, 1998, 1999 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * 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 above 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. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE 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. + */ + +#include "der_locl.h" +#include <sys/types.h> +#include <sys/stat.h> +#include <getarg.h> +#include <err.h> + +RCSID("$Id: asn1_print.c,v 1.5 1999/12/02 17:05:01 joda Exp $"); + +static struct et_list *et_list; + +const char *class_names[] = { + "UNIV", /* 0 */ + "APPL", /* 1 */ + "CONTEXT", /* 2 */ + "PRIVATE" /* 3 */ +}; + +const char *type_names[] = { + "PRIM", /* 0 */ + "CONS" /* 1 */ +}; + +const char *tag_names[] = { + NULL, /* 0 */ + NULL, /* 1 */ + "Integer", /* 2 */ + "BitString", /* 3 */ + "OctetString", /* 4 */ + "Null", /* 5 */ + "ObjectID", /* 6 */ + NULL, /* 7 */ + NULL, /* 8 */ + NULL, /* 9 */ + NULL, /* 10 */ + NULL, /* 11 */ + NULL, /* 12 */ + NULL, /* 13 */ + NULL, /* 14 */ + NULL, /* 15 */ + "Sequence", /* 16 */ + "Set", /* 17 */ + NULL, /* 18 */ + "PrintableString", /* 19 */ + NULL, /* 20 */ + NULL, /* 21 */ + "IA5String", /* 22 */ + "UTCTime", /* 23 */ + "GeneralizedTime", /* 24 */ + NULL, /* 25 */ + "VisibleString", /* 26 */ + "GeneralString" /* 27 */ +}; + +static int +loop (unsigned char *buf, size_t len, int indent) +{ + while (len > 0) { + int ret; + Der_class class; + Der_type type; + int tag; + size_t sz; + size_t length; + int i; + + ret = der_get_tag (buf, len, &class, &type, &tag, &sz); + if (ret) + errx (1, "der_get_tag: %s", com_right (et_list, ret)); + buf += sz; + len -= sz; + for (i = 0; i < indent; ++i) + printf (" "); + printf ("%s %s ", class_names[class], type_names[type]); + if (tag_names[tag]) + printf ("%s = ", tag_names[tag]); + else + printf ("tag %d = ", tag); + ret = der_get_length (buf, len, &length, &sz); + if (ret) + errx (1, "der_get_tag: %s", com_right (et_list, ret)); + buf += sz; + len -= sz; + + if (class == CONTEXT) { + printf ("[%d]\n", tag); + loop (buf, length, indent); + } else if (class == UNIV) { + switch (tag) { + case UT_Sequence : + printf ("{\n"); + loop (buf, length, indent + 2); + for (i = 0; i < indent; ++i) + printf (" "); + printf ("}\n"); + break; + case UT_Integer : { + int val; + + ret = der_get_int (buf, length, &val, NULL); + if (ret) + errx (1, "der_get_int: %s", com_right (et_list, ret)); + printf ("integer %d\n", val); + break; + } + case UT_OctetString : { + octet_string str; + int i; + unsigned char *uc; + + ret = der_get_octet_string (buf, length, &str, NULL); + if (ret) + errx (1, "der_get_octet_string: %s", + com_right (et_list, ret)); + printf ("(length %d), ", length); + uc = (unsigned char *)str.data; + for (i = 0; i < 16; ++i) + printf ("%02x", uc[i]); + printf ("\n"); + free (str.data); + break; + } + case UT_GeneralizedTime : + case UT_GeneralString : { + general_string str; + + ret = der_get_general_string (buf, length, &str, NULL); + if (ret) + errx (1, "der_get_general_string: %s", + com_right (et_list, ret)); + printf ("\"%s\"\n", str); + free (str); + break; + } + default : + printf ("%d bytes\n", length); + break; + } + } + buf += length; + len -= length; + } + return 0; +} + +static int +doit (const char *filename) +{ + int fd = open (filename, O_RDONLY); + struct stat sb; + unsigned char *buf; + size_t len; + int ret; + + if(fd < 0) + err (1, "opening %s for read", filename); + if (fstat (fd, &sb) < 0) + err (1, "stat %s", filename); + len = sb.st_size; + buf = malloc (len); + if (buf == NULL) + err (1, "malloc %u", len); + if (read (fd, buf, len) != len) + errx (1, "read failed"); + close (fd); + ret = loop (buf, len, 0); + free (buf); + return ret; +} + + +static int version_flag; +static int help_flag; +struct getargs args[] = { + { "version", 0, arg_flag, &version_flag }, + { "help", 0, arg_flag, &help_flag } +}; +int num_args = sizeof(args) / sizeof(args[0]); + +static void +usage(int code) +{ + arg_printusage(args, num_args, NULL, "dump-file"); + exit(code); +} + +int +main(int argc, char **argv) +{ + int optind = 0; + + set_progname (argv[0]); + initialize_asn1_error_table_r (&et_list); + if(getarg(args, num_args, argc, argv, &optind)) + usage(1); + if(help_flag) + usage(0); + if(version_flag) { + print_version(NULL); + exit(0); + } + argv += optind; + argc -= optind; + if (argc != 1) + usage (1); + return doit (argv[0]); +} |
