From: Michal Sekletar Date: Wed, 24 Sep 2014 11:17:43 +0000 (+0200) Subject: localectl: print warning when there are options given on kernel cmdline X-Git-Tag: v217~443 X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=a34286684ebb78dd3db0d7f34feb2c121c9d00cc localectl: print warning when there are options given on kernel cmdline --- diff --git a/src/core/locale-setup.c b/src/core/locale-setup.c index 7a4103504..5177dbfd0 100644 --- a/src/core/locale-setup.c +++ b/src/core/locale-setup.c @@ -30,48 +30,11 @@ #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" -}; +#include "locale-util.h" int locale_setup(char ***environment) { char **add; - char *variables[_VARIABLE_MAX] = {}; + char *variables[_VARIABLE_LC_MAX] = {}; int r = 0, i; if (detect_container(NULL) <= 0) { @@ -121,13 +84,13 @@ int locale_setup(char ***environment) { } add = NULL; - for (i = 0; i < _VARIABLE_MAX; i++) { + for (i = 0; i < _VARIABLE_LC_MAX; i++) { char *s; if (!variables[i]) continue; - s = strjoin(variable_names[i], "=", variables[i], NULL); + s = strjoin(locale_variable_to_string(i), "=", variables[i], NULL); if (!s) { r = -ENOMEM; goto finish; @@ -157,7 +120,7 @@ int locale_setup(char ***environment) { finish: strv_free(add); - for (i = 0; i < _VARIABLE_MAX; i++) + for (i = 0; i < _VARIABLE_LC_MAX; i++) free(variables[i]); return r; diff --git a/src/locale/localectl.c b/src/locale/localectl.c index bf8b7b2be..5917364d7 100644 --- a/src/locale/localectl.c +++ b/src/locale/localectl.c @@ -43,6 +43,8 @@ #include "path-util.h" #include "utf8.h" #include "def.h" +#include "virt.h" +#include "fileio.h" #include "locale-util.h" static bool arg_no_pager = false; @@ -81,6 +83,53 @@ typedef struct StatusInfo { const char *x11_options; } StatusInfo; +static void print_overriden_variables(void) { + int r; + char *variables[_VARIABLE_LC_MAX] = {}; + LocaleVariable j; + bool print_warning = true; + + if (detect_container(NULL) > 0 || arg_host) + return; + + 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)); + goto finish; + } + + for (j = VARIABLE_LANG; j < _VARIABLE_LC_MAX; j++) + if (variables[j]) { + if (print_warning) { + printf("Warning: Settings on Kernel Command Line override system locale settings in /etc/locale.conf\n"); + printf(" Command Line: %s=%s\n", locale_variable_to_string(j), variables[j]); + + print_warning = false; + continue; + } + printf(" %s=%s\n", locale_variable_to_string(j), variables[j]); + } + finish: + for (j = VARIABLE_LANG; j < _VARIABLE_LC_MAX; j++) + free(variables[j]); +} + static void print_status_info(StatusInfo *i) { assert(i); @@ -134,6 +183,7 @@ static int show_status(sd_bus *bus, char **args, unsigned n) { goto fail; } + print_overriden_variables(); print_status_info(&info); fail: diff --git a/src/shared/locale-util.c b/src/shared/locale-util.c index 68851ae13..d5eaff3d9 100644 --- a/src/shared/locale-util.c +++ b/src/shared/locale-util.c @@ -25,6 +25,7 @@ #include "util.h" #include "utf8.h" #include "strv.h" +#include "util.h" #include "locale-util.h" @@ -203,3 +204,22 @@ bool locale_is_valid(const char *name) { return true; } + +static const char * const locale_variable_table[_VARIABLE_LC_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" +}; + +DEFINE_STRING_TABLE_LOOKUP(locale_variable, LocaleVariable); diff --git a/src/shared/locale-util.h b/src/shared/locale-util.h index 7be9af2b4..d7a3e4fae 100644 --- a/src/shared/locale-util.h +++ b/src/shared/locale-util.h @@ -21,5 +21,30 @@ along with systemd; If not, see . ***/ +typedef enum LocaleVariable { + /* 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_LC_MAX, + _VARIABLE_LC_INVALID = -1 +} LocaleVariable; + int get_locales(char ***l); bool locale_is_valid(const char *name); + +const char* locale_variable_to_string(LocaleVariable i) _const_; +LocaleVariable locale_variable_from_string(const char *s) _pure_;