+ ba_pwd.value = ap_pbase64decode(req->pool, auth_header);
+ if (!ba_pwd.value) goto done;
+ ba_user.value = ap_getword_nulls_nc(req->pool,
+ (char **)&ba_pwd.value, ':');
+ if (!ba_user.value) goto done;
+ if (((char *)ba_user.value)[0] == '\0' ||
+ ((char *)ba_pwd.value)[0] == '\0') {
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, req,
+ "Invalid empty user or password for Basic Auth");
+ goto done;
+ }
+ ba_user.length = strlen(ba_user.value);
+ ba_pwd.length = strlen(ba_pwd.value);
+
+ if (mc && mag_basic_check(cfg, mc, ba_user, ba_pwd)) {
+ ret = OK;
+ goto done;
+ }
+
+ maj = gss_import_name(&min, &ba_user, GSS_C_NT_USER_NAME, &client);
+ if (GSS_ERROR(maj)) {
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, req,
+ "In Basic Auth, %s",
+ mag_error(req, "gss_import_name() failed",
+ maj, min));
+ goto done;
+ }
+#ifdef HAVE_GSS_KRB5_CCACHE_NAME
+ /* Set a per-thread ccache in case we are using kerberos,
+ * it is not elegant but avoids interference between threads */
+ long long unsigned int rndname;
+ apr_status_t rs;
+ rs = apr_generate_random_bytes((unsigned char *)(&rndname),
+ sizeof(long long unsigned int));
+ if (rs != APR_SUCCESS) {
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, req,
+ "Failed to generate random ccache name");
+ goto done;
+ }
+ user_ccache = apr_psprintf(req->pool, "MEMORY:user_%qu", rndname);
+ maj = gss_krb5_ccache_name(&min, user_ccache, &orig_ccache);
+ if (GSS_ERROR(maj)) {
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, req,
+ "In Basic Auth, %s",
+ mag_error(req, "gss_krb5_ccache_name() "
+ "failed", maj, min));
+ goto done;
+ }
+#endif
+ maj = gss_acquire_cred_with_password(&min, client, &ba_pwd,
+ GSS_C_INDEFINITE,
+ cfg->allowed_mechs,
+ GSS_C_INITIATE,
+ &user_cred, NULL, NULL);
+ if (GSS_ERROR(maj)) {
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, req,
+ "In Basic Auth, %s",
+ mag_error(req, "gss_acquire_cred_with_password() "
+ "failed", maj, min));
+ goto done;
+ }
+ gss_release_name(&min, &client);
+ break;
+
+ case AUTH_TYPE_RAW_NTLM:
+ if (!is_mech_allowed(cfg, &gss_mech_ntlmssp)) {
+ ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, req,
+ "NTLM Authentication is not allowed!");
+ goto done;
+ }
+
+ if (!parse_auth_header(req->pool, &auth_header, &input)) {
+ goto done;
+ }
+
+ desired_mechs = discard_const(&gss_mech_set_ntlmssp);
+ break;
+
+ default:
+ goto done;
+ }
+
+ req->ap_auth_type = apr_pstrdup(req->pool, auth_types[auth_type]);
+
+#ifdef HAVE_CRED_STORE
+ if (cfg->use_s4u2proxy) {
+ cred_usage = GSS_C_BOTH;
+ }
+#endif
+ if (!mag_acquire_creds(req, cfg, desired_mechs,
+ cred_usage, &acquired_cred, NULL)) {
+ goto done;
+ }
+
+ if (auth_type == AUTH_TYPE_BASIC) {
+ if (cred_usage == GSS_C_BOTH) {
+ /* If GSS_C_BOTH is used then inquire_cred will return the client
+ * name instead of the SPN of the server credentials. Therefore we
+ * need to acquire a different set of credential setting
+ * GSS_C_ACCEPT explicitly */
+ if (!mag_acquire_creds(req, cfg, cfg->allowed_mechs,
+ GSS_C_ACCEPT, &server_cred, NULL)) {
+ goto done;
+ }
+ } else {
+ server_cred = acquired_cred;
+ }
+ maj = gss_inquire_cred(&min, server_cred, &server,
+ NULL, NULL, NULL);
+ if (GSS_ERROR(maj)) {
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, req,
+ "%s", mag_error(req, "gss_inquired_cred_() "
+ "failed", maj, min));
+ goto done;
+ }
+ if (server_cred != acquired_cred) {
+ gss_release_cred(&min, &server_cred);
+ }
+
+#ifdef HAVE_CRED_STORE
+ if (cfg->deleg_ccache_dir) {
+ /* delegate ourselves credentials so we store them as requested */
+ init_flags |= GSS_C_DELEG_FLAG;
+ }
+#endif
+
+ /* output and input are inverted here, this is intentional */
+ maj = gss_init_sec_context(&min, user_cred, &user_ctx, server,
+ GSS_C_NO_OID, init_flags, 300,
+ GSS_C_NO_CHANNEL_BINDINGS, &output,
+ NULL, &input, NULL, NULL);
+ if (GSS_ERROR(maj)) {
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, req,
+ "%s", mag_error(req, "gss_init_sec_context() "
+ "failed", maj, min));
+ goto done;
+ }
+ }
+
+ if (auth_type == AUTH_TYPE_NEGOTIATE &&
+ cfg->allowed_mechs != GSS_C_NO_OID_SET) {
+ maj = gss_set_neg_mechs(&min, acquired_cred, cfg->allowed_mechs);
+ if (GSS_ERROR(maj)) {
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, req, "%s",
+ mag_error(req, "gss_set_neg_mechs() failed",
+ maj, min));
+ goto done;
+ }
+ }
+
+ maj = gss_accept_sec_context(&min, pctx, acquired_cred,