Files
heimdal/lib/krb5/mk_safe.c
Assar Westerlund 3c6d161c36 new types of addresses
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@2059 ec53bebd-3082-4978-b11e-865c3cabbd6b
1997-07-08 23:22:02 +00:00

58 lines
1.4 KiB
C

#include <krb5_locl.h>
RCSID("$Id$");
krb5_error_code
krb5_mk_safe(krb5_context context,
krb5_auth_context auth_context,
const krb5_data *userdata,
krb5_data *outbuf,
/*krb5_replay_data*/ void *outdata)
{
krb5_error_code r;
KRB_SAFE s;
struct timeval tv;
unsigned usec;
krb5_addresses addr;
u_char buf[1024];
size_t len;
r = krb5_create_checksum (context,
CKSUMTYPE_RSA_MD4,
userdata->data,
userdata->length,
&s.cksum);
if (r)
return r;
r = krb5_get_all_client_addrs (&addr);
if (r)
return r;
s.pvno = 5;
s.msg_type = krb_safe;
s.safe_body.user_data = *userdata;
gettimeofday (&tv, NULL);
usec = tv.tv_usec;
s.safe_body.timestamp = &tv.tv_sec;
s.safe_body.usec = &usec;
if (auth_context->flags & KRB5_AUTH_CONTEXT_DO_SEQUENCE) {
s.safe_body.seq_number = malloc(sizeof(*s.safe_body.seq_number));
*(s.safe_body.seq_number) = ++auth_context->local_seqnumber;
} else
s.safe_body.seq_number = NULL;
s.safe_body.s_address = addr.val[0];
s.safe_body.r_address = NULL;
r = encode_KRB_SAFE (buf + sizeof(buf) - 1, sizeof(buf), &s, &len);
free(s.safe_body.seq_number);
if (r)
return r;
outbuf->length = len;
outbuf->data = malloc (len);
if (outbuf->data == NULL)
return ENOMEM;
memcpy (outbuf->data, buf + sizeof(buf) - len, len);
return 0;
}