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,v 1.17 2002/08/20 14:47:59 joda Exp $");
39 krb5_verify_init_creds_opt_init(krb5_verify_init_creds_opt *options)
41 memset (options, 0, sizeof(*options));
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",
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_keytab_entry entry;
84 krb5_creds *new_creds = NULL;
85 krb5_auth_context auth_context = NULL;
86 krb5_principal server = NULL;
87 krb5_keytab keytab = NULL;
89 krb5_data_zero (&req);
90 memset (&entry, 0, sizeof(entry));
92 if (ap_req_server == NULL) {
93 char local_hostname[MAXHOSTNAMELEN];
95 if (gethostname (local_hostname, sizeof(local_hostname)) < 0) {
97 krb5_set_error_string (context, "gethostname: %s",
102 ret = krb5_sname_to_principal (context,
110 server = ap_req_server;
112 if (ap_req_keytab == NULL) {
113 ret = krb5_kt_default (context, &keytab);
117 keytab = ap_req_keytab;
119 if (ccache && *ccache)
120 local_ccache = *ccache;
122 ret = krb5_cc_gen_new (context, &krb5_mcc_ops, &local_ccache);
125 ret = krb5_cc_initialize (context,
130 ret = krb5_cc_store_cred (context,
137 if (!krb5_principal_compare (context, server, creds->server)) {
138 krb5_creds match_cred;
140 memset (&match_cred, 0, sizeof(match_cred));
142 match_cred.client = creds->client;
143 match_cred.server = server;
145 ret = krb5_get_credentials (context,
151 if (fail_verify_is_ok (context, options))
158 ret = krb5_mk_req_extended (context,
165 krb5_auth_con_free (context, auth_context);
171 ret = krb5_rd_req (context,
179 if (ret == KRB5_KT_NOTFOUND && fail_verify_is_ok (context, options))
183 krb5_auth_con_free (context, auth_context);
184 krb5_data_free (&req);
185 krb5_kt_free_entry (context, &entry);
186 if (new_creds != NULL)
187 krb5_free_creds (context, new_creds);
188 if (ap_req_server == NULL && server)
189 krb5_free_principal (context, server);
190 if (ap_req_keytab == NULL && keytab)
191 krb5_kt_close (context, keytab);
192 if (local_ccache != NULL
195 || (ret != 0 && *ccache == NULL)))
196 krb5_cc_destroy (context, local_ccache);
198 if (ret == 0 && ccache != NULL && *ccache == NULL)
199 *ccache = local_ccache;