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-rw-r--r--src/Permission.cxx131
1 files changed, 131 insertions, 0 deletions
diff --git a/src/Permission.cxx b/src/Permission.cxx
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+++ b/src/Permission.cxx
@@ -0,0 +1,131 @@
+/*
+ * Copyright (C) 2003-2013 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "config.h"
+#include "Permission.hxx"
+#include "mpd_error.h"
+
+extern "C" {
+#include "conf.h"
+}
+
+#include <map>
+#include <string>
+
+#include <glib.h>
+
+#include <stdbool.h>
+#include <string.h>
+
+#define PERMISSION_PASSWORD_CHAR '@'
+#define PERMISSION_SEPERATOR ","
+
+#define PERMISSION_READ_STRING "read"
+#define PERMISSION_ADD_STRING "add"
+#define PERMISSION_CONTROL_STRING "control"
+#define PERMISSION_ADMIN_STRING "admin"
+
+static std::map<std::string, unsigned> permission_passwords;
+
+static unsigned permission_default;
+
+static unsigned parsePermissions(const char *string)
+{
+ unsigned permission = 0;
+ gchar **tokens;
+
+ if (!string)
+ return 0;
+
+ tokens = g_strsplit(string, PERMISSION_SEPERATOR, 0);
+ for (unsigned i = 0; tokens[i] != NULL; ++i) {
+ char *temp = tokens[i];
+
+ if (strcmp(temp, PERMISSION_READ_STRING) == 0) {
+ permission |= PERMISSION_READ;
+ } else if (strcmp(temp, PERMISSION_ADD_STRING) == 0) {
+ permission |= PERMISSION_ADD;
+ } else if (strcmp(temp, PERMISSION_CONTROL_STRING) == 0) {
+ permission |= PERMISSION_CONTROL;
+ } else if (strcmp(temp, PERMISSION_ADMIN_STRING) == 0) {
+ permission |= PERMISSION_ADMIN;
+ } else {
+ MPD_ERROR("unknown permission \"%s\"", temp);
+ }
+ }
+
+ g_strfreev(tokens);
+
+ return permission;
+}
+
+void initPermissions(void)
+{
+ char *password;
+ unsigned permission;
+ const struct config_param *param;
+
+ permission_default = PERMISSION_READ | PERMISSION_ADD |
+ PERMISSION_CONTROL | PERMISSION_ADMIN;
+
+ param = config_get_next_param(CONF_PASSWORD, NULL);
+
+ if (param) {
+ permission_default = 0;
+
+ do {
+ const char *separator =
+ strchr(param->value, PERMISSION_PASSWORD_CHAR);
+
+ if (separator == NULL)
+ MPD_ERROR("\"%c\" not found in password string "
+ "\"%s\", line %i",
+ PERMISSION_PASSWORD_CHAR,
+ param->value, param->line);
+
+ password = g_strndup(param->value,
+ separator - param->value);
+
+ permission = parsePermissions(separator + 1);
+
+ permission_passwords.insert(std::make_pair(password,
+ permission));
+ } while ((param = config_get_next_param(CONF_PASSWORD, param)));
+ }
+
+ param = config_get_param(CONF_DEFAULT_PERMS);
+
+ if (param)
+ permission_default = parsePermissions(param->value);
+}
+
+int getPermissionFromPassword(char const* password, unsigned* permission)
+{
+ auto i = permission_passwords.find(password);
+ if (i == permission_passwords.end())
+ return -1;
+
+ *permission = i->second;
+ return 0;
+}
+
+unsigned getDefaultPermissions(void)
+{
+ return permission_default;
+}