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lots of new stuff

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@299 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
1996-03-17 00:51:52 +00:00
parent 81cbbf7820
commit e40b97b423
21 changed files with 2152 additions and 3 deletions
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92
lib/krb5/get_in_tkt.c
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@@ -1,5 +1,35 @@
#include "krb5_locl.h"
static krb5_error_code
krb5_get_salt (krb5_principal princ,
krb5_data realm,
krb5_data *salt)
{
size_t len;
int i;
krb5_error_code err;
char *p;
len = realm->len;
for (i = 0; i < princ->ncomp; ++i)
len += princ->comp[i].length;
err = krb5_alloc (salt, len);
if (err)
return err;
p = salt->data;
strncpy (p, realm->data, realm->len);
p += realm->len;
for (i = 0; i < princ->cnomp; ++i) {
strncpy (p, princ->comp[i].data, princ->comp[i].length);
p += princ->comp[i].length;
}
return 0;
}
/*
*
*/
krb5_error_code
krb5_get_in_tkt(krb5_context context,
krb5_flags options,
@@ -14,5 +44,65 @@ krb5_get_in_tkt(krb5_context context,
krb5_ccache ccache,
krb5_kdc_rep **ret_as_reply)
{
As_Req a;
Kdc_Rep rep;
krb5_principal server;
krb5_data req, resp;
char buf[BUFSIZ];
Buffer buf;
krb5_data salt;
krb5_keyblock *key;
server.type = KRB_NT_SRV_INST;
server.ncomp = 2;
server.comp = malloc (sizeof(*server.comp) * server.ncomp);
server.comp[0] = string_make ("krbtgt");
server.comp[1] = creds->client.realm;
a.pvno = 5;
a.msg_type = KRB_AS_REQ;
/* a.kdc_options */
a.cname = &creds->client;
a.sname = &server;
a.realm = creds->client.realm;
a.till = creds->times.endtime;
a.nonce = 17;
if (etypes)
a.etypes = etypes;
else
a.etypes = context->etypes;
if (addrs)
a.addresses = addrs;
else
a.addresses = krb5_get_all_client_addrs ();
req.data = buf;
req.len = der_put_as_req (req.data + sizeof(buf) - 1, &a);
string_free (server.comp[0]);
free (server.comp);
if (addrs == NULL)
free (a.addresses);
err = krb5_sendto_kdc (context, &req, a.realm, &resp);
if (err) {
return err;
}
buf_init (&buffer, resp.data, resp.len);
if (der_get_as_rep (&buffer, &rep) == -1) {
return ASN1_PARSE_ERROR;
}
err = krb5_get_salt (creds->client, creds->client.realm, &salt);
if (err)
return err;
err = (*key_proc)(context, b.enc_part.etype, salt, keyseed, &key);
krb5_data_free (&salt);
if (err)
return err;
err = (*decrypt_proc)(context, key, decryptarg, &rep);
memset (&key.contents.data, 0, key.contents.length);
krb5_data_free (&key.contents);
if (err)
return err;
}