Author: abartlet Date: 2005-11-01 06:43:02 +0000 (Tue, 01 Nov 2005) New Revision: 483
WebSVN: http://websvn.samba.org/cgi-bin/viewcvs.cgi?view=rev&root=lorikeet&rev=483 Log: Add missing file after last heimdal import. Andrew Bartlett Added: trunk/heimdal/lib/asn1/der_format.c Changeset: Added: trunk/heimdal/lib/asn1/der_format.c =================================================================== --- trunk/heimdal/lib/asn1/der_format.c 2005-10-26 23:59:45 UTC (rev 482) +++ trunk/heimdal/lib/asn1/der_format.c 2005-11-01 06:43:02 UTC (rev 483) @@ -0,0 +1,96 @@ +/* + * Copyright (c) 2005 Kungliga Tekniska H�gskolan + * (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 <hex.h> + +RCSID("$Id: der_format.c,v 1.1 2005/10/07 03:48:54 lha Exp $"); + +int +der_parse_hex_heim_integer (const char *p, heim_integer *data) +{ + ssize_t len; + + data->length = 0; + data->negative = 0; + data->data = NULL; + + if (*p == '-') { + p++; + data->negative = 1; + } + + len = strlen(p); + if (len < 0) + return EINVAL; + + data->length = len / 2; + data->data = malloc(data->length); + if (data->data == NULL) + return ENOMEM; + + len = hex_decode(p, data->data, data->length); + if (len < 0) + return EINVAL; + + { + unsigned char *p = data->data; + while(*p == 0 && len > 0) { + p++; + len--; + } + data->length = len; + memmove(data->data, p, len); + } + return 0; +} + +int +der_print_hex_heim_integer (const heim_integer *data, char **p) +{ + ssize_t len; + char *q; + + len = hex_encode(data->data, data->length, p); + if (len < 0) + return ENOMEM; + + if (data->negative) { + len = asprintf(&q, "-%s", *p); + free(*p); + if (len < 0) + return ENOMEM; + *p = q; + } + return 0; +}
