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Diffstat (limited to '')
-rw-r--r-- | src/Permission.cxx | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/src/Permission.cxx b/src/Permission.cxx new file mode 100644 index 000000000..e6cf5cfb8 --- /dev/null +++ b/src/Permission.cxx @@ -0,0 +1,128 @@ +/* + * 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" +#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; +} |