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author | markm <markm@FreeBSD.org> | 1997-09-04 06:04:33 +0000 |
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committer | markm <markm@FreeBSD.org> | 1997-09-04 06:04:33 +0000 |
commit | a8a89cfaf983bc64f4b42f7c35209a5a36dd0fe8 (patch) | |
tree | 0b84977f19022a965f8c6145f067f951173f6290 /crypto/kerberosIV/lib/krb/mk_err.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/mk_err.c')
-rw-r--r-- | crypto/kerberosIV/lib/krb/mk_err.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/crypto/kerberosIV/lib/krb/mk_err.c b/crypto/kerberosIV/lib/krb/mk_err.c new file mode 100644 index 0000000..710587a --- /dev/null +++ b/crypto/kerberosIV/lib/krb/mk_err.c @@ -0,0 +1,56 @@ +/* + Copyright (C) 1989 by the Massachusetts Institute of Technology + + Export of this software from the United States of America is assumed + to require a specific license from the United States Government. + It is the responsibility of any person or organization contemplating + export to obtain such a license before exporting. + +WITHIN THAT CONSTRAINT, permission to use, copy, modify, and +distribute this software and its documentation for any purpose and +without fee is hereby granted, provided that the above copyright +notice appear in all copies and that both that copyright notice and +this permission notice appear in supporting documentation, and that +the name of M.I.T. not be used in advertising or publicity pertaining +to distribution of the software without specific, written prior +permission. M.I.T. makes no representations about the suitability of +this software for any purpose. It is provided "as is" without express +or implied warranty. + + */ + +#include "krb_locl.h" + +RCSID("$Id: mk_err.c,v 1.6 1997/03/23 03:53:14 joda Exp $"); + +/* + * This routine creates a general purpose error reply message. It + * doesn't use KTEXT because application protocol may have long + * messages, and may want this part of buffer contiguous to other + * stuff. + * + * The error reply is built in "p", using the error code "e" and + * error text "e_string" given. The length of the error reply is + * returned. + * + * The error reply is in the following format: + * + * unsigned char KRB_PROT_VERSION protocol version no. + * unsigned char AUTH_MSG_APPL_ERR message type + * (least significant + * bit of above) HOST_BYTE_ORDER local byte order + * 4 bytes e given error code + * string e_string given error text + */ + +int32_t +krb_mk_err(u_char *p, int32_t e, char *e_string) +{ + unsigned char *start = p; + p += krb_put_int(KRB_PROT_VERSION, p, 1); + p += krb_put_int(AUTH_MSG_APPL_ERR, p, 1); + + p += krb_put_int(e, p, 4); + p += krb_put_string(e_string, p); + return p - start; +} |