From 957991b7acec20ccf2c21f0162e9da54ea22d2dd Mon Sep 17 00:00:00 2001 From: Yu Watanabe Date: Mon, 25 Jan 2021 13:16:20 +0900 Subject: hostname: introduce two bus errors for updating file --- src/hostname/hostnamed.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'src/hostname') diff --git a/src/hostname/hostnamed.c b/src/hostname/hostnamed.c index 0e4dd02b49..cc5c21cd1f 100644 --- a/src/hostname/hostnamed.c +++ b/src/hostname/hostnamed.c @@ -767,6 +767,10 @@ static int method_set_static_hostname(sd_bus_message *m, void *userdata, sd_bus_ r = context_write_data_static_hostname(c); if (r < 0) { log_error_errno(r, "Failed to write static hostname: %m"); + if (ERRNO_IS_PRIVILEGE(r)) + return sd_bus_error_set(error, BUS_ERROR_FILE_IS_PROTECTED, "Not allowed to update /etc/hostname."); + if (r == -EROFS) + return sd_bus_error_set(error, BUS_ERROR_READ_ONLY_FILESYSTEM, "/etc/hostname is in a read-only filesystem."); return sd_bus_error_set_errnof(error, r, "Failed to set static hostname: %m"); } @@ -843,6 +847,10 @@ static int set_machine_info(Context *c, sd_bus_message *m, int prop, sd_bus_mess r = context_write_data_machine_info(c); if (r < 0) { log_error_errno(r, "Failed to write machine info: %m"); + if (ERRNO_IS_PRIVILEGE(r)) + return sd_bus_error_set(error, BUS_ERROR_FILE_IS_PROTECTED, "Not allowed to update /etc/machine-info."); + if (r == -EROFS) + return sd_bus_error_set(error, BUS_ERROR_READ_ONLY_FILESYSTEM, "/etc/machine-info is in a read-only filesystem."); return sd_bus_error_set_errnof(error, r, "Failed to write machine info: %m"); } -- cgit v1.2.1