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machined: userns is only supported for container-class machines 

We do not support userns for VM machines or for the host itself.
This commit is contained in:
Lennart Poettering 2015-08-24 21:09:16 +02:00
parent fee6d013d8
commit a79366e22a
1 changed files with 12 additions and 0 deletions
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12
src/machine/machined-dbus.c
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@ -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) {