38250db965
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@2255 ec53bebd-3082-4978-b11e-865c3cabbd6b
69 lines
1.5 KiB
C
69 lines
1.5 KiB
C
#include <krb5_locl.h>
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RCSID("$Id$");
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krb5_error_code
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krb5_mk_safe(krb5_context context,
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krb5_auth_context auth_context,
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const krb5_data *userdata,
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krb5_data *outbuf,
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/*krb5_replay_data*/ void *outdata)
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{
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krb5_error_code r;
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KRB_SAFE s;
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struct timeval tv;
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unsigned usec;
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u_char buf[1024];
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size_t len;
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unsigned tmp_seq;
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s.pvno = 5;
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s.msg_type = krb_safe;
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s.safe_body.user_data = *userdata;
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gettimeofday (&tv, NULL);
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usec = tv.tv_usec;
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s.safe_body.timestamp = &tv.tv_sec;
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s.safe_body.usec = &usec;
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if (auth_context->flags & KRB5_AUTH_CONTEXT_DO_SEQUENCE) {
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tmp_seq = ++auth_context->local_seqnumber;
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s.safe_body.seq_number = &tmp_seq;
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} else
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s.safe_body.seq_number = NULL;
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s.safe_body.s_address = auth_context->local_address;
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s.safe_body.r_address = auth_context->remote_address;
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s.cksum.cksumtype = 0;
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s.cksum.checksum.data = NULL;
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s.cksum.checksum.length = 0;
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r = encode_KRB_SAFE (buf + sizeof(buf) - 1,
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sizeof(buf),
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&s,
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&len);
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if (r)
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return r;
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r = krb5_create_checksum (context,
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auth_context->cksumtype,
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buf + sizeof(buf) - len,
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len,
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&auth_context->key,
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&s.cksum);
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if (r)
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return r;
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r = encode_KRB_SAFE (buf + sizeof(buf) - 1, sizeof(buf), &s, &len);
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if (r)
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return r;
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outbuf->length = len;
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outbuf->data = malloc (len);
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if (outbuf->data == NULL)
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return ENOMEM;
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memcpy (outbuf->data, buf + sizeof(buf) - len, len);
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return 0;
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}
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