/* * Copyright (C) 2003-2011 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 "utils.h" #include "glib_compat.h" #include "conf.h" #include <glib.h> #include <assert.h> #include <string.h> #include <sys/types.h> #include <fcntl.h> #include <errno.h> #ifndef WIN32 #include <pwd.h> #endif #if HAVE_IPV6 && WIN32 #include <winsock2.h> #endif #if HAVE_IPV6 && ! WIN32 #include <sys/socket.h> #endif #ifdef WIN32 #include <windows.h> #endif G_GNUC_CONST static inline GQuark parse_path_quark(void) { return g_quark_from_static_string("path"); } char * parsePath(const char *path, G_GNUC_UNUSED GError **error_r) { assert(path != NULL); assert(error_r == NULL || *error_r == NULL); #ifndef WIN32 if (!g_path_is_absolute(path) && path[0] != '~') { g_set_error(error_r, parse_path_quark(), 0, "not an absolute path: %s", path); return NULL; } else if (path[0] == '~') { const char *home; if (path[1] == '/' || path[1] == '\0') { const char *user = config_get_string(CONF_USER, NULL); if (user != NULL) { struct passwd *passwd = getpwnam(user); if (!passwd) { g_set_error(error_r, parse_path_quark(), 0, "no such user: %s", user); return NULL; } home = passwd->pw_dir; } else { home = g_get_home_dir(); if (home == NULL) { g_set_error_literal(error_r, parse_path_quark(), 0, "problems getting home " "for current user"); return NULL; } } ++path; } else { ++path; const char *slash = strchr(path, '/'); char *user = slash != NULL ? g_strndup(path, slash - path) : g_strdup(path); struct passwd *passwd = getpwnam(user); if (!passwd) { g_set_error(error_r, parse_path_quark(), 0, "no such user: %s", user); g_free(user); return NULL; } g_free(user); home = passwd->pw_dir; path = slash; } return g_strconcat(home, path, NULL); } else { #endif return g_strdup(path); #ifndef WIN32 } #endif }