From 6c12e0d2afe80563e692fc1f2f545a487c83418c Mon Sep 17 00:00:00 2001 From: Gabriel Ebner Date: Sun, 6 Dec 2015 14:26:36 +0100 Subject: [PATCH 07/18] hostnamed, localed, timedated: disable methods that change system settings. --- src/hostname/hostnamed.c | 6 ++++++ src/locale/localed.c | 9 +++++++++ src/timedate/timedated.c | 10 ++++++++++ 3 files changed, 25 insertions(+) diff --git a/src/hostname/hostnamed.c b/src/hostname/hostnamed.c index 7f6607a527..b5a9388916 100644 --- a/src/hostname/hostnamed.c +++ b/src/hostname/hostnamed.c @@ -626,6 +626,9 @@ static int method_set_static_hostname(sd_bus_message *m, void *userdata, sd_bus_ if (r < 0) return r; + return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, + "Changing system settings via systemd is not supported on NixOS."); + name = empty_to_null(name); context_read_etc_hostname(c); @@ -685,6 +688,9 @@ static int set_machine_info(Context *c, sd_bus_message *m, int prop, sd_bus_mess if (r < 0) return r; + return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, + "Changing system settings via systemd is not supported on NixOS."); + name = empty_to_null(name); context_read_machine_info(c); diff --git a/src/locale/localed.c b/src/locale/localed.c index 715ce5cac7..014f7dcf6c 100644 --- a/src/locale/localed.c +++ b/src/locale/localed.c @@ -317,6 +317,9 @@ static int method_set_locale(sd_bus_message *m, void *userdata, sd_bus_error *er if (r < 0) return r; + return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, + "Changing system settings via systemd is not supported on NixOS."); + /* If single locale without variable name is provided, then we assume it is LANG=. */ if (strv_length(l) == 1 && !strchr(l[0], '=')) { if (!locale_is_valid(l[0])) @@ -432,6 +435,9 @@ static int method_set_vc_keyboard(sd_bus_message *m, void *userdata, sd_bus_erro if (r < 0) return r; + return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, + "Changing system settings via systemd is not supported on NixOS."); + keymap = empty_to_null(keymap); keymap_toggle = empty_to_null(keymap_toggle); @@ -606,6 +612,9 @@ static int method_set_x11_keyboard(sd_bus_message *m, void *userdata, sd_bus_err if (r < 0) return r; + return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, + "Changing system settings via systemd is not supported on NixOS."); + layout = empty_to_null(layout); model = empty_to_null(model); variant = empty_to_null(variant); diff --git a/src/timedate/timedated.c b/src/timedate/timedated.c index c467b85477..3e78b2f575 100644 --- a/src/timedate/timedated.c +++ b/src/timedate/timedated.c @@ -646,6 +646,10 @@ static int method_set_timezone(sd_bus_message *m, void *userdata, sd_bus_error * if (r < 0) return r; + if (getenv("NIXOS_STATIC_TIMEZONE")) + return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, + "Changing timezone via systemd is not supported when it is set in NixOS configuration."); + if (!timezone_is_valid(z, LOG_DEBUG)) return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid or not installed time zone '%s'", z); @@ -725,6 +729,9 @@ static int method_set_local_rtc(sd_bus_message *m, void *userdata, sd_bus_error if (r < 0) return r; + return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, + "Changing system settings via systemd is not supported on NixOS."); + if (lrtc == c->local_rtc) return sd_bus_reply_method_return(m, NULL); @@ -917,6 +924,9 @@ static int method_set_ntp(sd_bus_message *m, void *userdata, sd_bus_error *error if (r < 0) return r; + return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, + "Changing system settings via systemd is not supported on NixOS."); + r = context_update_ntp_status(c, bus, m); if (r < 0) return r; -- 2.27.0