diff options
| author | Lennart Poettering <lennart@poettering.net> | 2015-08-24 21:09:16 +0200 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2015-08-24 22:46:45 +0200 |
| commit | a79366e22a43ed81017e2d8c2426431d369f3cfa (patch) | |
| tree | 3df7908754952c6ce57d4b06b02061f6db420b14 /src/machine/machined-dbus.c | |
| parent | fee6d013d859bc66f5c993530898fece53fab06d (diff) | |
machined: userns is only supported for container-class machines
We do not support userns for VM machines or for the host itself.
Diffstat (limited to 'src/machine/machined-dbus.c')
| -rw-r--r-- | src/machine/machined-dbus.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/machine/machined-dbus.c b/src/machine/machined-dbus.c index 29649899ed..0d52c693e4 100644 --- a/src/machine/machined-dbus.c +++ b/src/machine/machined-dbus.c @@ -882,6 +882,9 @@ static int method_map_from_machine_user(sd_bus_message *message, void *userdata, if (!machine) return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); + if (machine->class != MACHINE_CONTAINER) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Not supported for non-container machines."); + p = procfs_file_alloca(machine->leader, "uid_map"); f = fopen(p, "re"); if (!f) @@ -934,6 +937,9 @@ static int method_map_to_machine_user(sd_bus_message *message, void *userdata, s _cleanup_fclose_ FILE *f = NULL; char p[strlen("/proc//uid_map") + DECIMAL_STR_MAX(pid_t) + 1]; + if (machine->class != MACHINE_CONTAINER) + continue; + xsprintf(p, "/proc/" UID_FMT "/uid_map", machine->leader); f = fopen(p, "re"); if (!f) { @@ -994,6 +1000,9 @@ static int method_map_from_machine_group(sd_bus_message *message, void *groupdat if (!machine) return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); + if (machine->class != MACHINE_CONTAINER) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Not supported for non-container machines."); + p = procfs_file_alloca(machine->leader, "gid_map"); f = fopen(p, "re"); if (!f) @@ -1046,6 +1055,9 @@ static int method_map_to_machine_group(sd_bus_message *message, void *groupdata, _cleanup_fclose_ FILE *f = NULL; char p[strlen("/proc//gid_map") + DECIMAL_STR_MAX(pid_t) + 1]; + if (machine->class != MACHINE_CONTAINER) + continue; + xsprintf(p, "/proc/" GID_FMT "/gid_map", machine->leader); f = fopen(p, "re"); if (!f) { |