diff options
Diffstat (limited to 'kerberosIV/krb/mk_auth.c')
-rw-r--r-- | kerberosIV/krb/mk_auth.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/kerberosIV/krb/mk_auth.c b/kerberosIV/krb/mk_auth.c new file mode 100644 index 00000000000..343f05acc80 --- /dev/null +++ b/kerberosIV/krb/mk_auth.c @@ -0,0 +1,96 @@ +/* $KTH: mk_auth.c,v 1.4 1997/04/01 08:18:35 joda Exp $ */ + +/* + * 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" + +/* + * Generate an authenticator for service.instance@realm. + * instance is canonicalized by `krb_get_phost' + * realm is set to the local realm if realm == NULL + * The ticket acquired by `krb_mk_req' is returned in `ticket' and the + * authenticator in `buf'. + * Options control the behaviour (see krb_sendauth). + */ + +int +krb_mk_auth(int32_t options, + KTEXT ticket, + char *service, + char *instance, + char *realm, + u_int32_t checksum, + char *version, + KTEXT buf) +{ + char realinst[INST_SZ]; + char realrealm[REALM_SZ]; + int ret; + unsigned char *p; + + if (options & KOPT_DONT_CANON) + strncpy(realinst, instance, sizeof(realinst)); + else + strncpy(realinst, krb_get_phost (instance), sizeof(realinst)); + + if (realm == NULL) { + ret = krb_get_lrealm (realrealm, 1); + if (ret != KSUCCESS) + return ret; + realm = realrealm; + } + + if(!(options & KOPT_DONT_MK_REQ)) { + ret = krb_mk_req (ticket, service, realinst, realm, checksum); + if (ret != KSUCCESS) + return ret; + } + + p = buf->dat; + + memcpy (p, KRB_SENDAUTH_VERS, KRB_SENDAUTH_VLEN); + p += KRB_SENDAUTH_VLEN; + memcpy (p, version, KRB_SENDAUTH_VLEN); + p += KRB_SENDAUTH_VLEN; + p += krb_put_int(ticket->length, p, 4); + memcpy(p, ticket->dat, ticket->length); + p += ticket->length; + buf->length = p - buf->dat; + return KSUCCESS; +} |