#include <stdarg.h>
#define MODAUTHKERB_VERSION "5.0-rc6"
+#define MECH_NEGOTIATE "Negotiate"
#include <httpd.h>
#include <http_config.h>
* we had to use this call instead, which is only a bit modified version of
* krb5_verify_init_creds() */
static krb5_error_code
-verify_krb5_init_creds(krb5_context context, krb5_creds *creds,
+verify_krb5_init_creds(request_rec *r, krb5_context context, krb5_creds *creds,
krb5_principal ap_req_server, krb5_keytab ap_req_keytab)
{
krb5_error_code ret;
krb5_creds *new_creds = NULL;
krb5_auth_context auth_context = NULL;
krb5_keytab keytab = NULL;
+ char *server_name;
memset(&req, 0, sizeof(req));
keytab = ap_req_keytab;
ret = krb5_cc_resolve(context, "MEMORY:", &local_ccache);
- if (ret)
+ if (ret) {
+ log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r,
+ "krb5_cc_resolve() failed when verifying KDC");
return ret;
+ }
ret = krb5_cc_initialize(context, local_ccache, creds->client);
- if (ret)
+ if (ret) {
+ log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r,
+ "krb5_cc_initialize() failed when verifying KDC");
goto end;
+ }
ret = krb5_cc_store_cred (context, local_ccache, creds);
- if (ret)
+ if (ret) {
+ log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r,
+ "krb5_cc_initialize() failed when verifying KDC");
goto end;
+ }
+
+ ret = krb5_unparse_name(context, ap_req_server, &server_name);
+ if (ret) {
+ log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r,
+ "krb5_unparse_name() failed when verifying KDC");
+ goto end;
+ }
+ log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r,
+ "Trying to verify authenticity of KDC using principal %s", server_name);
+ free(server_name);
if (!krb5_principal_compare (context, ap_req_server, creds->server)) {
krb5_creds match_cred;
ret = krb5_get_credentials (context, 0, local_ccache,
&match_cred, &new_creds);
- if (ret)
+ if (ret) {
+ log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r,
+ "krb5_get_credentials() failed when verifying KDC");
goto end;
+ }
creds = new_creds;
}
ret = krb5_mk_req_extended (context, &auth_context, 0, NULL, creds, &req);
- if (ret)
+ if (ret) {
+ log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r,
+ "krb5_mk_req_extended() failed when verifying KDC");
goto end;
+ }
krb5_auth_con_free (context, auth_context);
auth_context = NULL;
ret = krb5_auth_con_init(context, &auth_context);
- if (ret)
+ if (ret) {
+ log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r,
+ "krb5_auth_con_init() failed when verifying KDC");
goto end;
+ }
/* use KRB5_AUTH_CONTEXT_DO_SEQUENCE to skip replay cache checks */
krb5_auth_con_setflags(context, auth_context, KRB5_AUTH_CONTEXT_DO_SEQUENCE);
ret = krb5_rd_req (context, &auth_context, &req, ap_req_server,
keytab, 0, NULL);
+ if (ret) {
+ log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r,
+ "krb5_rd_req() failed when verifying KDC");
+ goto end;
+ }
end:
#ifdef HEIMDAL
krb5_principal server = NULL;
krb5_error_code ret;
krb5_ccache ret_ccache = NULL;
+ char *name = NULL;
/* XXX error messages shouldn't be logged here (and in the while() loop in
* authenticate_user_krb5pwd() as weell), in order to avoid confusing log
memset(&creds, 0, sizeof(creds));
+ ret = krb5_unparse_name(context, principal, &name);
+ if (ret == 0) {
+ log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r,
+ "Trying to get TGT for user %s", name);
+ free(name);
+ }
+
ret = krb5_get_init_creds_password(context, &creds, principal,
(char *)password, NULL,
NULL, 0, NULL, NULL);
log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
"krb5_get_init_creds_password() failed: %s",
krb5_get_err_text(context, ret));
- return ret;
+ goto end;
}
ret = krb5_sname_to_principal(context, ap_get_server_name(r), service,
*/
if (krb_verify_kdc &&
- (ret = verify_krb5_init_creds(context, &creds, server, keytab))) {
+ (ret = verify_krb5_init_creds(r, context, &creds, server, keytab))) {
log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
"failed to verify krb5 credentials: %s",
krb5_get_err_text(context, ret));
const char *sent_pw = NULL;
const char *sent_name = NULL;
const char *realms = NULL;
+ const char *realm = NULL;
krb5_context kcontext = NULL;
krb5_error_code code;
krb5_principal client = NULL;
all_principals_unkown = 1;
realms = conf->krb_auth_realms;
do {
- if (realms && (code = krb5_set_default_realm(kcontext,
- ap_getword_white(r->pool, &realms)))){
- log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
- "krb5_set_default_realm() failed: %s",
- krb5_get_err_text(kcontext, code));
- continue;
- }
+ name = sent_name;
+ if (realms && (realm = ap_getword_white(r->pool, &realms)))
+ name = ap_psprintf(r->pool, "%s@%s", sent_name, realm);
if (client) {
krb5_free_principal(kcontext, client);
client = NULL;
}
- code = krb5_parse_name(kcontext, sent_name, &client);
+
+ code = krb5_parse_name(kcontext, name, &client);
if (code) {
log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
"krb5_parse_name() failed: %s",
end:
log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r,
"kerb_authenticate_user_krb5pwd ret=%d user=%s authtype=%s",
- ret, (MK_USER)?MK_USER:"(NULL)", MK_AUTH_TYPE);
+ ret, (MK_USER)?MK_USER:"(NULL)", (MK_AUTH_TYPE)?MK_AUTH_TYPE:"(NULL)");
if (client)
krb5_free_principal(kcontext, client);
if (ccache)
}
sprintf(ktname, "KRB5_KTNAME=%s", conf->krb_5_keytab);
putenv(ktname);
+#ifdef HEIMDAL
+ /* Seems to be also supported by latest MIT */
+ gsskrb5_register_acceptor_identity(conf->krb_5_keytab);
+#endif
}
ret = get_gss_creds(r, conf, &server_creds);
*negotiate_ret_value = token;
log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r,
"GSS-API token of length %d bytes will be sent back",
- major_status, output_token.length);
+ output_token.length);
gss_release_buffer(&minor_status2, &output_token);
}
goto end;
}
- MK_AUTH_TYPE = "Negotiate";
+ MK_AUTH_TYPE = MECH_NEGOTIATE;
MK_USER = ap_pstrdup(r->pool, output_token.value);
if (conf->krb_save_credentials && delegated_cred != GSS_C_NO_CREDENTIAL)
{
if (ap_is_initial_req(r) || MK_AUTH_TYPE == NULL)
return 0;
- if (strcmp(MK_AUTH_TYPE, "Negotiate") ||
+ if (strcmp(MK_AUTH_TYPE, MECH_NEGOTIATE) ||
(strcmp(MK_AUTH_TYPE, "Basic") && strchr(MK_USER, '@')))
return 1;
return 0;
* apache in the proxy mode should retain client's authN headers? */
#ifdef KRB5
if (negotiate_ret_value != NULL && conf->krb_method_gssapi) {
- negoauth_param = (*negotiate_ret_value == '\0') ? "Negotiate" :
- ap_pstrcat(r->pool, "Negotiate ", negotiate_ret_value, NULL);
+ negoauth_param = (*negotiate_ret_value == '\0') ? MECH_NEGOTIATE :
+ ap_pstrcat(r->pool, MECH_NEGOTIATE " ", negotiate_ret_value, NULL);
ap_table_add(r->err_headers_out, header_name, negoauth_param);
}
if ((use_krb5pwd && conf->krb_method_k5pass) || conf->krb_delegate_basic) {
#ifdef KRB5
if (use_krb5 && conf->krb_method_gssapi &&
- strcasecmp(auth_type, "Negotiate") == 0) {
+ strcasecmp(auth_type, MECH_NEGOTIATE) == 0) {
ret = authenticate_user_gss(r, conf, auth_line, &negotiate_ret_value);
} else if (use_krb5 && conf->krb_method_k5pass &&
strcasecmp(auth_type, "Basic") == 0) {
projects / mod_auth_kerb.cvs / .git / blobdiff