2 * Copyright (c) 1997 - 2002 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
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7 * modification, are permitted provided that the following conditions
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34 #include "krb5_locl.h"
36 RCSID("$Id: verify_init.c 15555 2005-07-06 00:48:16Z lha $");
38 void KRB5_LIB_FUNCTION
39 krb5_verify_init_creds_opt_init(krb5_verify_init_creds_opt *options)
41 memset (options, 0, sizeof(*options));
44 void KRB5_LIB_FUNCTION
45 krb5_verify_init_creds_opt_set_ap_req_nofail(krb5_verify_init_creds_opt *options,
48 options->flags |= KRB5_VERIFY_INIT_CREDS_OPT_AP_REQ_NOFAIL;
49 options->ap_req_nofail = ap_req_nofail;
57 fail_verify_is_ok (krb5_context context,
58 krb5_verify_init_creds_opt *options)
60 if ((options->flags & KRB5_VERIFY_INIT_CREDS_OPT_AP_REQ_NOFAIL
61 && options->ap_req_nofail != 0)
62 || krb5_config_get_bool (context,
65 "verify_ap_req_nofail",
72 krb5_error_code KRB5_LIB_FUNCTION
73 krb5_verify_init_creds(krb5_context context,
75 krb5_principal ap_req_server,
76 krb5_keytab ap_req_keytab,
78 krb5_verify_init_creds_opt *options)
82 krb5_ccache local_ccache = NULL;
83 krb5_creds *new_creds = NULL;
84 krb5_auth_context auth_context = NULL;
85 krb5_principal server = NULL;
86 krb5_keytab keytab = NULL;
88 krb5_data_zero (&req);
90 if (ap_req_server == NULL) {
91 char local_hostname[MAXHOSTNAMELEN];
93 if (gethostname (local_hostname, sizeof(local_hostname)) < 0) {
95 krb5_set_error_string (context, "gethostname: %s",
100 ret = krb5_sname_to_principal (context,
108 server = ap_req_server;
110 if (ap_req_keytab == NULL) {
111 ret = krb5_kt_default (context, &keytab);
115 keytab = ap_req_keytab;
117 if (ccache && *ccache)
118 local_ccache = *ccache;
120 ret = krb5_cc_gen_new (context, &krb5_mcc_ops, &local_ccache);
123 ret = krb5_cc_initialize (context,
128 ret = krb5_cc_store_cred (context,
135 if (!krb5_principal_compare (context, server, creds->server)) {
136 krb5_creds match_cred;
138 memset (&match_cred, 0, sizeof(match_cred));
140 match_cred.client = creds->client;
141 match_cred.server = server;
143 ret = krb5_get_credentials (context,
149 if (fail_verify_is_ok (context, options))
156 ret = krb5_mk_req_extended (context,
163 krb5_auth_con_free (context, auth_context);
169 ret = krb5_rd_req (context,
177 if (ret == KRB5_KT_NOTFOUND && fail_verify_is_ok (context, options))
181 krb5_auth_con_free (context, auth_context);
182 krb5_data_free (&req);
183 if (new_creds != NULL)
184 krb5_free_creds (context, new_creds);
185 if (ap_req_server == NULL && server)
186 krb5_free_principal (context, server);
187 if (ap_req_keytab == NULL && keytab)
188 krb5_kt_close (context, keytab);
189 if (local_ccache != NULL
192 || (ret != 0 && *ccache == NULL)))
193 krb5_cc_destroy (context, local_ccache);
195 if (ret == 0 && ccache != NULL && *ccache == NULL)
196 *ccache = local_ccache;