PWN-Hunter/android_system_sepolicy
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Label and allow access to /data/system/ndebugsocket.

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Otherwise it defaults to the label of /data/system and
cannot be distinguished from any other socket in that directory.
Also adds allow rule required for pre-existing wpa_socket transition
to function without unconfined_domain.

Change-Id: I57179aa18786bd56d247f397347e546cca978e41
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
This commit is contained in:
Stephen Smalley 2013-09-27 10:24:49 -04:00
parent 189558f64a
commit 45ba665cfc
3 changed files with 10 additions and 0 deletions
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3
debuggerd.te
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@ -7,3 +7,6 @@ init_daemon_domain(debuggerd)
unconfined_domain(debuggerd)
relabelto_domain(debuggerd)
allow debuggerd tombstone_data_file:dir relabelto;
# Connect to system_server via /data/system/ndebugsocket.
unix_socket_connect(debuggerd, system_ndebug, system_server)

1
file.te
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@ -98,6 +98,7 @@ type racoon_socket, file_type;
type rild_socket, file_type;
type rild_debug_socket, file_type;
type system_wpa_socket, file_type;
type system_ndebug_socket, file_type;
type vold_socket, file_type;
type wpa_socket, file_type;
type zygote_socket, file_type;

6
system_server.te
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@ -25,6 +25,12 @@ allow system_server self:capability {
# Create a socket for receiving info from wpa.
type_transition system_server wifi_data_file:sock_file system_wpa_socket;
allow system_server system_wpa_socket:sock_file create_file_perms;
# Create a socket for connections from debuggerd.
type_transition system_server system_data_file:sock_file system_ndebug_socket "ndebugsocket";
allow system_server system_ndebug_socket:sock_file create_file_perms;
allow system_server self:zygote { specifyids specifyrlimits specifyseinfo };
allow system_server backup_data_file:dir relabelto;