diff options
Diffstat (limited to 'crypto/heimdal/lib/asn1/der.c')
| -rw-r--r-- | crypto/heimdal/lib/asn1/der.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/crypto/heimdal/lib/asn1/der.c b/crypto/heimdal/lib/asn1/der.c new file mode 100644 index 0000000..120dc08 --- /dev/null +++ b/crypto/heimdal/lib/asn1/der.c @@ -0,0 +1,142 @@ +/* + * Copyright (c) 1997 - 2005 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 <com_err.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <getarg.h> +#include <err.h> + +RCSID("$Id: der.c 22429 2008-01-13 10:25:50Z lha $"); + + +static const char *class_names[] = { + "UNIV", /* 0 */ + "APPL", /* 1 */ + "CONTEXT", /* 2 */ + "PRIVATE" /* 3 */ +}; + +static const char *type_names[] = { + "PRIM", /* 0 */ + "CONS" /* 1 */ +}; + +static const char *tag_names[] = { + "EndOfContent", /* 0 */ + "Boolean", /* 1 */ + "Integer", /* 2 */ + "BitString", /* 3 */ + "OctetString", /* 4 */ + "Null", /* 5 */ + "ObjectID", /* 6 */ + NULL, /* 7 */ + NULL, /* 8 */ + NULL, /* 9 */ + "Enumerated", /* 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 */ + NULL, /* 28 */ + NULL, /* 29 */ + "BMPString" /* 30 */ +}; + +static int +get_type(const char *name, const char *list[], unsigned len) +{ + unsigned i; + for (i = 0; i < len; i++) + if (list[i] && strcasecmp(list[i], name) == 0) + return i; + return -1; +} + +#define SIZEOF_ARRAY(a) (sizeof((a))/sizeof((a)[0])) + +const char * +der_get_class_name(unsigned num) +{ + if (num >= SIZEOF_ARRAY(class_names)) + return NULL; + return class_names[num]; +} + +int +der_get_class_num(const char *name) +{ + return get_type(name, class_names, SIZEOF_ARRAY(class_names)); +} + +const char * +der_get_type_name(unsigned num) +{ + if (num >= SIZEOF_ARRAY(type_names)) + return NULL; + return type_names[num]; +} + +int +der_get_type_num(const char *name) +{ + return get_type(name, type_names, SIZEOF_ARRAY(type_names)); +} + +const char * +der_get_tag_name(unsigned num) +{ + if (num >= SIZEOF_ARRAY(tag_names)) + return NULL; + return tag_names[num]; +} + +int +der_get_tag_num(const char *name) +{ + return get_type(name, tag_names, SIZEOF_ARRAY(tag_names)); +} |
