139 lines
3.4 KiB
C
139 lines
3.4 KiB
C
/*
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* Copyright (C) 2003-2011 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include "permission.h"
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#include "conf.h"
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#include "mpd_error.h"
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#include <glib.h>
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#include <stdbool.h>
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#include <string.h>
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#define PERMISSION_PASSWORD_CHAR '@'
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#define PERMISSION_SEPERATOR ","
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#define PERMISSION_READ_STRING "read"
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#define PERMISSION_ADD_STRING "add"
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#define PERMISSION_CONTROL_STRING "control"
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#define PERMISSION_ADMIN_STRING "admin"
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static GHashTable *permission_passwords;
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static unsigned permission_default;
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static unsigned parsePermissions(const char *string)
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{
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unsigned permission = 0;
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gchar **tokens;
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if (!string)
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return 0;
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tokens = g_strsplit(string, PERMISSION_SEPERATOR, 0);
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for (unsigned i = 0; tokens[i] != NULL; ++i) {
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char *temp = tokens[i];
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if (strcmp(temp, PERMISSION_READ_STRING) == 0) {
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permission |= PERMISSION_READ;
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} else if (strcmp(temp, PERMISSION_ADD_STRING) == 0) {
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permission |= PERMISSION_ADD;
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} else if (strcmp(temp, PERMISSION_CONTROL_STRING) == 0) {
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permission |= PERMISSION_CONTROL;
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} else if (strcmp(temp, PERMISSION_ADMIN_STRING) == 0) {
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permission |= PERMISSION_ADMIN;
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} else {
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MPD_ERROR("unknown permission \"%s\"", temp);
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}
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}
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g_strfreev(tokens);
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return permission;
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}
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void initPermissions(void)
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{
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char *password;
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unsigned permission;
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const struct config_param *param;
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permission_passwords = g_hash_table_new_full(g_str_hash, g_str_equal,
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g_free, NULL);
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permission_default = PERMISSION_READ | PERMISSION_ADD |
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PERMISSION_CONTROL | PERMISSION_ADMIN;
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param = config_get_next_param(CONF_PASSWORD, NULL);
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if (param) {
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permission_default = 0;
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do {
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const char *separator =
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strchr(param->value, PERMISSION_PASSWORD_CHAR);
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if (separator == NULL)
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MPD_ERROR("\"%c\" not found in password string "
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"\"%s\", line %i",
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PERMISSION_PASSWORD_CHAR,
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param->value, param->line);
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password = g_strndup(param->value,
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separator - param->value);
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permission = parsePermissions(separator + 1);
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g_hash_table_replace(permission_passwords,
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password,
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GINT_TO_POINTER(permission));
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} while ((param = config_get_next_param(CONF_PASSWORD, param)));
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}
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param = config_get_param(CONF_DEFAULT_PERMS);
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if (param)
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permission_default = parsePermissions(param->value);
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}
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int getPermissionFromPassword(char const* password, unsigned* permission)
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{
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bool found;
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gpointer key, value;
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found = g_hash_table_lookup_extended(permission_passwords,
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password, &key, &value);
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if (!found)
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return -1;
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*permission = GPOINTER_TO_INT(value);
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return 0;
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}
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void finishPermissions(void)
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{
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g_hash_table_destroy(permission_passwords);
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}
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unsigned getDefaultPermissions(void)
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{
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return permission_default;
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}
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