diff options
author | markm <markm@FreeBSD.org> | 1997-09-04 06:04:33 +0000 |
---|---|---|
committer | markm <markm@FreeBSD.org> | 1997-09-04 06:04:33 +0000 |
commit | a8a89cfaf983bc64f4b42f7c35209a5a36dd0fe8 (patch) | |
tree | 0b84977f19022a965f8c6145f067f951173f6290 /crypto/kerberosIV/lib/krb/cr_err_reply.c | |
download | FreeBSD-src-a8a89cfaf983bc64f4b42f7c35209a5a36dd0fe8.zip FreeBSD-src-a8a89cfaf983bc64f4b42f7c35209a5a36dd0fe8.tar.gz |
Initial import of KTH eBones. This has been cleaned up to only include
the "core" Kerberos functionality. The rest of the userland will get their
own changes later.
Diffstat (limited to 'crypto/kerberosIV/lib/krb/cr_err_reply.c')
-rw-r--r-- | crypto/kerberosIV/lib/krb/cr_err_reply.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/crypto/kerberosIV/lib/krb/cr_err_reply.c b/crypto/kerberosIV/lib/krb/cr_err_reply.c new file mode 100644 index 0000000..2c1956a --- /dev/null +++ b/crypto/kerberosIV/lib/krb/cr_err_reply.c @@ -0,0 +1,99 @@ +/* + * Copyright (c) 1995, 1996, 1997 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the Kungliga Tekniska + * Högskolan and its contributors. + * + * 4. 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 "krb_locl.h" + +RCSID("$Id: cr_err_reply.c,v 1.9 1997/04/01 08:18:19 joda Exp $"); + +/* + * This routine is used by the Kerberos authentication server to + * create an error reply packet to send back to its client. + * + * It takes a pointer to the packet to be built, the name, instance, + * and realm of the principal, the client's timestamp, an error code + * and an error string as arguments. Its return value is undefined. + * + * The packet is built in the following format: + * + * type variable data + * or constant + * ---- ----------- ---- + * + * unsigned char req_ack_vno protocol version number + * + * unsigned char AUTH_MSG_ERR_REPLY protocol message type + * + * [least significant HOST_BYTE_ORDER sender's (server's) byte + * bit of above field] order + * + * string pname principal's name + * + * string pinst principal's instance + * + * string prealm principal's realm + * + * unsigned long time_ws client's timestamp + * + * unsigned long e error code + * + * string e_string error text + */ + +void +cr_err_reply(KTEXT pkt, char *pname, char *pinst, char *prealm, + u_int32_t time_ws, u_int32_t e, char *e_string) +{ + unsigned char *p = pkt->dat; + + p += krb_put_int(KRB_PROT_VERSION, p, 1); + p += krb_put_int(AUTH_MSG_ERR_REPLY, p, 1); + + if (pname == NULL) pname = ""; + if (pinst == NULL) pinst = ""; + if (prealm == NULL) prealm = ""; + + p += krb_put_nir(pname, pinst, prealm, p); + + p += krb_put_int(time_ws, p, 4); + + p += krb_put_int(e, p, 4); + + p += krb_put_string(e_string, p); + + pkt->length = p - pkt->dat; +} |