hostname: introduce two bus errors for updating file

1 files changed, 8 insertions, 0 deletions

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");
         }