/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ /*** This file is part of systemd. Copyright 2010 Lennart Poettering systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ #include <string.h> #include <stdlib.h> #include <errno.h> #include "locale-setup.h" #include "util.h" #include "macro.h" #include "virt.h" #include "fileio.h" #include "strv.h" #include "env-util.h" enum { /* We don't list LC_ALL here on purpose. People should be * using LANG instead. */ VARIABLE_LANG, VARIABLE_LANGUAGE, VARIABLE_LC_CTYPE, VARIABLE_LC_NUMERIC, VARIABLE_LC_TIME, VARIABLE_LC_COLLATE, VARIABLE_LC_MONETARY, VARIABLE_LC_MESSAGES, VARIABLE_LC_PAPER, VARIABLE_LC_NAME, VARIABLE_LC_ADDRESS, VARIABLE_LC_TELEPHONE, VARIABLE_LC_MEASUREMENT, VARIABLE_LC_IDENTIFICATION, _VARIABLE_MAX }; static const char * const variable_names[_VARIABLE_MAX] = { [VARIABLE_LANG] = "LANG", [VARIABLE_LANGUAGE] = "LANGUAGE", [VARIABLE_LC_CTYPE] = "LC_CTYPE", [VARIABLE_LC_NUMERIC] = "LC_NUMERIC", [VARIABLE_LC_TIME] = "LC_TIME", [VARIABLE_LC_COLLATE] = "LC_COLLATE", [VARIABLE_LC_MONETARY] = "LC_MONETARY", [VARIABLE_LC_MESSAGES] = "LC_MESSAGES", [VARIABLE_LC_PAPER] = "LC_PAPER", [VARIABLE_LC_NAME] = "LC_NAME", [VARIABLE_LC_ADDRESS] = "LC_ADDRESS", [VARIABLE_LC_TELEPHONE] = "LC_TELEPHONE", [VARIABLE_LC_MEASUREMENT] = "LC_MEASUREMENT", [VARIABLE_LC_IDENTIFICATION] = "LC_IDENTIFICATION" }; int locale_setup(char ***environment) { char **add; char *variables[_VARIABLE_MAX] = {}; int r = 0, i; if (detect_container(NULL) <= 0) { r = parse_env_file("/proc/cmdline", WHITESPACE, "locale.LANG", &variables[VARIABLE_LANG], "locale.LANGUAGE", &variables[VARIABLE_LANGUAGE], "locale.LC_CTYPE", &variables[VARIABLE_LC_CTYPE], "locale.LC_NUMERIC", &variables[VARIABLE_LC_NUMERIC], "locale.LC_TIME", &variables[VARIABLE_LC_TIME], "locale.LC_COLLATE", &variables[VARIABLE_LC_COLLATE], "locale.LC_MONETARY", &variables[VARIABLE_LC_MONETARY], "locale.LC_MESSAGES", &variables[VARIABLE_LC_MESSAGES], "locale.LC_PAPER", &variables[VARIABLE_LC_PAPER], "locale.LC_NAME", &variables[VARIABLE_LC_NAME], "locale.LC_ADDRESS", &variables[VARIABLE_LC_ADDRESS], "locale.LC_TELEPHONE", &variables[VARIABLE_LC_TELEPHONE], "locale.LC_MEASUREMENT", &variables[VARIABLE_LC_MEASUREMENT], "locale.LC_IDENTIFICATION", &variables[VARIABLE_LC_IDENTIFICATION], NULL); if (r < 0 && r != -ENOENT) log_warning("Failed to read /proc/cmdline: %s", strerror(-r)); } /* Hmm, nothing set on the kernel cmd line? Then let's * try /etc/locale.conf */ if (r <= 0) { r = parse_env_file("/etc/locale.conf", NEWLINE, "LANG", &variables[VARIABLE_LANG], "LANGUAGE", &variables[VARIABLE_LANGUAGE], "LC_CTYPE", &variables[VARIABLE_LC_CTYPE], "LC_NUMERIC", &variables[VARIABLE_LC_NUMERIC], "LC_TIME", &variables[VARIABLE_LC_TIME], "LC_COLLATE", &variables[VARIABLE_LC_COLLATE], "LC_MONETARY", &variables[VARIABLE_LC_MONETARY], "LC_MESSAGES", &variables[VARIABLE_LC_MESSAGES], "LC_PAPER", &variables[VARIABLE_LC_PAPER], "LC_NAME", &variables[VARIABLE_LC_NAME], "LC_ADDRESS", &variables[VARIABLE_LC_ADDRESS], "LC_TELEPHONE", &variables[VARIABLE_LC_TELEPHONE], "LC_MEASUREMENT", &variables[VARIABLE_LC_MEASUREMENT], "LC_IDENTIFICATION", &variables[VARIABLE_LC_IDENTIFICATION], NULL); if (r < 0 && r != -ENOENT) log_warning("Failed to read /etc/locale.conf: %s", strerror(-r)); } add = NULL; for (i = 0; i < _VARIABLE_MAX; i++) { char *s; if (!variables[i]) continue; s = strjoin(variable_names[i], "=", variables[i], NULL); if (!s) { r = -ENOMEM; goto finish; } if (strv_consume(&add, s) < 0) { r = -ENOMEM; goto finish; } } if (!strv_isempty(add)) { char **e; e = strv_env_merge(2, *environment, add); if (!e) { r = -ENOMEM; goto finish; } strv_free(*environment); *environment = e; } r = 0; finish: strv_free(add); for (i = 0; i < _VARIABLE_MAX; i++) free(variables[i]); return r; }