ACPR/android_system_core
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Allow shell to write to /sdcard/Android/data and /sdcard/Android/obb.

Browse source 
On devices without sdcardfs, these are only writable by the owning UID,
and/or the ext_data_rw/ext_obb_rw groups respectively.

Bug: 161134565
Bug: 162810387
Test: try to write to /sdcard/Android/data/ from shell uid
Change-Id: Idb4e07f967c8e888d95afa6c4a71595e0910ba0e
This commit is contained in:
Martijn Coenen 2020-08-18 15:34:15 +02:00
parent 3d882d0536
commit 4da604ba4e
1 changed files with 4 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
adb/daemon/main.cpp
View file

@ -108,9 +108,12 @@ static void drop_privileges(int server_port) {
// AID_NET_BW_STATS to read out qtaguid statistics
// AID_READPROC for reading /proc entries across UID boundaries
// AID_UHID for using 'hid' command to read/write to /dev/uhid
// AID_EXT_DATA_RW for writing to /sdcard/Android/data (devices without sdcardfs)
// AID_EXT_OBB_RW for writing to /sdcard/Android/obb (devices without sdcardfs)
gid_t groups[] = {AID_ADB, AID_LOG, AID_INPUT, AID_INET,
AID_NET_BT, AID_NET_BT_ADMIN, AID_SDCARD_R, AID_SDCARD_RW,
AID_NET_BW_STATS, AID_READPROC, AID_UHID};
AID_NET_BW_STATS, AID_READPROC, AID_UHID, AID_EXT_DATA_RW,
AID_EXT_OBB_RW};
minijail_set_supplementary_gids(jail.get(), arraysize(groups), groups);
// Don't listen on a port (default 5037) if running in secure mode.