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34 #include "krb5_locl.h"
36 RCSID("$Id: verify_user.c,v 1.17 2002/08/20 14:48:31 joda Exp $");
38 static krb5_error_code
39 verify_common (krb5_context context,
40 krb5_principal principal,
48 krb5_principal server;
49 krb5_verify_init_creds_opt vopt;
52 ret = krb5_sname_to_principal (context, NULL, service, KRB5_NT_SRV_HST,
57 krb5_verify_init_creds_opt_init(&vopt);
58 krb5_verify_init_creds_opt_set_ap_req_nofail(&vopt, secure);
60 ret = krb5_verify_init_creds(context,
66 krb5_free_principal(context, server);
70 ret = krb5_cc_default (context, &id);
74 ret = krb5_cc_initialize(context, id, principal);
76 ret = krb5_cc_store_cred(context, id, &cred);
79 krb5_cc_close(context, id);
81 krb5_free_creds_contents(context, &cred);
86 * Verify user `principal' with `password'.
88 * If `secure', also verify against local service key for `service'.
90 * As a side effect, fresh tickets are obtained and stored in `ccache'.
94 krb5_verify_opt_init(krb5_verify_opt *opt)
96 memset(opt, 0, sizeof(*opt));
98 opt->service = "host";
102 krb5_verify_opt_set_ccache(krb5_verify_opt *opt, krb5_ccache ccache)
104 opt->ccache = ccache;
108 krb5_verify_opt_set_keytab(krb5_verify_opt *opt, krb5_keytab keytab)
110 opt->keytab = keytab;
114 krb5_verify_opt_set_secure(krb5_verify_opt *opt, krb5_boolean secure)
116 opt->secure = secure;
120 krb5_verify_opt_set_service(krb5_verify_opt *opt, const char *service)
122 opt->service = service;
126 krb5_verify_opt_set_flags(krb5_verify_opt *opt, unsigned int flags)
131 static krb5_error_code
132 verify_user_opt_int(krb5_context context,
133 krb5_principal principal,
134 const char *password,
135 krb5_verify_opt *vopt)
139 krb5_get_init_creds_opt opt;
142 krb5_get_init_creds_opt_init (&opt);
143 krb5_get_init_creds_opt_set_default_flags(context, NULL,
144 *krb5_princ_realm(context, principal),
146 ret = krb5_get_init_creds_password (context,
157 #define OPT(V, D) ((vopt && (vopt->V)) ? (vopt->V) : (D))
158 return verify_common (context, principal, OPT(ccache, NULL),
159 OPT(keytab, NULL), vopt ? vopt->secure : TRUE,
160 OPT(service, "host"), cred);
165 krb5_verify_user_opt(krb5_context context,
166 krb5_principal principal,
167 const char *password,
168 krb5_verify_opt *opt)
172 if(opt && (opt->flags & KRB5_VERIFY_LREALMS)) {
173 krb5_realm *realms, *r;
174 ret = krb5_get_default_realms (context, &realms);
177 ret = KRB5_CONFIG_NODEFREALM;
179 for (r = realms; *r != NULL && ret != 0; ++r) {
180 char *tmp = strdup (*r);
183 krb5_free_host_realm (context, realms);
184 krb5_set_error_string (context, "malloc: out of memory");
187 free (*krb5_princ_realm (context, principal));
188 krb5_princ_set_realm (context, principal, &tmp);
190 ret = verify_user_opt_int(context, principal, password, opt);
192 krb5_free_host_realm (context, realms);
196 ret = verify_user_opt_int(context, principal, password, opt);
200 /* compat function that calls above */
203 krb5_verify_user(krb5_context context,
204 krb5_principal principal,
206 const char *password,
212 krb5_verify_opt_init(&opt);
214 krb5_verify_opt_set_ccache(&opt, ccache);
215 krb5_verify_opt_set_secure(&opt, secure);
216 krb5_verify_opt_set_service(&opt, service);
218 return krb5_verify_user_opt(context, principal, password, &opt);
222 * A variant of `krb5_verify_user'. The realm of `principal' is
223 * ignored and all the local realms are tried.
227 krb5_verify_user_lrealm(krb5_context context,
228 krb5_principal principal,
230 const char *password,
236 krb5_verify_opt_init(&opt);
238 krb5_verify_opt_set_ccache(&opt, ccache);
239 krb5_verify_opt_set_secure(&opt, secure);
240 krb5_verify_opt_set_service(&opt, service);
241 krb5_verify_opt_set_flags(&opt, KRB5_VERIFY_LREALMS);
243 return krb5_verify_user_opt(context, principal, password, &opt);