2 * Copyright (c) 1997 - 2001 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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34 #include "gssapi_locl.h"
38 OM_uint32 gss_acquire_cred
39 (OM_uint32
* minor_status
,
40 const gss_name_t desired_name
,
42 const gss_OID_set desired_mechs
,
43 gss_cred_usage_t cred_usage
,
44 gss_cred_id_t
* output_cred_handle
,
45 gss_OID_set
* actual_mechs
,
51 krb5_error_code kret
= 0;
54 handle
= (gss_cred_id_t
)malloc(sizeof(*handle
));
55 if (handle
== GSS_C_NO_CREDENTIAL
)
58 memset(handle
, 0, sizeof (*handle
));
60 ret
= gss_duplicate_name(minor_status
, desired_name
, &handle
->principal
);
66 if (krb5_cc_default(gssapi_krb5_context
, &ccache
) == 0) {
67 krb5_principal def_princ
;
69 if (krb5_cc_get_principal(gssapi_krb5_context
, ccache
,
71 krb5_cc_close(gssapi_krb5_context
, ccache
);
74 if (krb5_principal_compare(gssapi_krb5_context
, handle
->principal
,
75 def_princ
) == FALSE
) {
76 krb5_free_principal(gssapi_krb5_context
, def_princ
);
77 krb5_cc_close(gssapi_krb5_context
, ccache
);
80 handle
->ccache
= ccache
;
81 handle
->keytab
= NULL
;
82 krb5_free_principal(gssapi_krb5_context
, def_princ
);
85 krb5_get_init_creds_opt opt
;
88 kret
= krb5_kt_default(gssapi_krb5_context
, &handle
->keytab
);
92 krb5_get_init_creds_opt_init(&opt
);
93 memset(&cred
, 0, sizeof(cred
));
95 kret
= krb5_get_init_creds_keytab(gssapi_krb5_context
, &cred
,
96 handle
->principal
, handle
->keytab
,
101 kret
= krb5_cc_gen_new(gssapi_krb5_context
, &krb5_mcc_ops
,
104 krb5_free_creds_contents(gssapi_krb5_context
, &cred
);
108 kret
= krb5_cc_initialize(gssapi_krb5_context
, handle
->ccache
,
111 krb5_free_creds_contents(gssapi_krb5_context
, &cred
);
115 kret
= krb5_cc_store_cred(gssapi_krb5_context
, handle
->ccache
, &cred
);
117 krb5_free_creds_contents(gssapi_krb5_context
, &cred
);
121 krb5_free_creds_contents(gssapi_krb5_context
, &cred
);
125 handle
->lifetime
= time_req
;
126 handle
->usage
= cred_usage
;
128 ret
= gss_create_empty_oid_set(minor_status
, &handle
->mechanisms
);
132 ret
= gss_add_oid_set_member(minor_status
, GSS_KRB5_MECHANISM
,
133 &handle
->mechanisms
);
137 ret
= gss_inquire_cred(minor_status
, handle
, NULL
, time_rec
, NULL
,
142 *output_cred_handle
= handle
;
143 return (GSS_S_COMPLETE
);
147 *minor_status
= kret
;
148 gssapi_krb5_set_error_string ();
151 krb5_free_principal(gssapi_krb5_context
, handle
->principal
);
152 if (handle
->ccache
!= NULL
)
153 krb5_cc_close(gssapi_krb5_context
, handle
->ccache
);
154 if (handle
->keytab
!= NULL
)
155 krb5_kt_close(gssapi_krb5_context
, handle
->keytab
);
156 if (handle
->mechanisms
!= NULL
)
157 gss_release_oid_set(NULL
, &handle
->mechanisms
);