9cb6e5dddc
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@1807 ec53bebd-3082-4978-b11e-865c3cabbd6b
60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
#include <krb5_locl.h>
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#include "md4.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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krb5_addresses addr;
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u_char buf[1024];
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int len;
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r = krb5_create_checksum (context,
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CKSUMTYPE_RSA_MD4,
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userdata->data,
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userdata->length,
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&s.cksum);
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if (r)
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return r;
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r = krb5_get_all_client_addrs (&addr);
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if (r)
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return r;
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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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s.safe_body.seq_number = malloc(sizeof(*s.safe_body.seq_number));
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*(s.safe_body.seq_number) = ++auth_context->local_seqnumber;
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} else
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s.safe_body.seq_number = NULL;
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s.safe_body.s_address.addr_type = addr.addrs[0].type;
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s.safe_body.s_address.address = addr.addrs[0].address;
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s.safe_body.r_address = NULL;
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len = encode_KRB_SAFE (buf + sizeof(buf) - 1, sizeof(buf), &s);
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free(s.safe_body.seq_number);
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if (len < 0)
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return ASN1_PARSE_ERROR;
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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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