cfdea5f4f3
The untrusted apps should not directly access /dev/socket/mdnsd since API level 34 (U). Only adbd and netd should remain to have access to /dev/socket/mdnsd. For untrusted apps running with API level 33-, they still have access to /dev/socket/mdnsd for backward compatibility. Bug: 265364111 Test: Manual test Change-Id: Id37998fcb9379fda6917782b0eaee29cd3c51525
61 lines
2.5 KiB
Text
61 lines
2.5 KiB
Text
###
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### Untrusted_app_25
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###
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### This file defines the rules for untrusted apps running with
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### targetSdkVersion <= 25.
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###
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### See public/untrusted_app.te for more information about which apps are
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### placed in this selinux domain.
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###
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typeattribute untrusted_app_25 coredomain;
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app_domain(untrusted_app_25)
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untrusted_app_domain(untrusted_app_25)
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net_domain(untrusted_app_25)
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bluetooth_domain(untrusted_app_25)
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# b/35917228 - /proc/misc access
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# This will go away in a future Android release
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allow untrusted_app_25 proc_misc:file r_file_perms;
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# Access to /proc/tty/drivers, to allow apps to determine if they
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# are running in an emulated environment.
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# b/33214085 b/33814662 b/33791054 b/33211769
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# https://github.com/strazzere/anti-emulator/blob/master/AntiEmulator/src/diff/strazzere/anti/emulator/FindEmulator.java
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# This will go away in a future Android release
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allow untrusted_app_25 proc_tty_drivers:file r_file_perms;
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# Text relocation support for API < 23. This is now disallowed for targetSdkVersion>=Q.
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# https://android.googlesource.com/platform/bionic/+/master/android-changes-for-ndk-developers.md#text-relocations-enforced-for-api-level-23
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allow untrusted_app_25 { apk_data_file app_data_file asec_public_file }:file execmod;
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# The ability to call exec() on files in the apps home directories
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# for targetApi<=25. This is also allowed for targetAPIs 26, 27,
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# and 28 in untrusted_app_27.te.
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allow untrusted_app_25 app_data_file:file execute_no_trans;
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auditallow untrusted_app_25 app_data_file:file { execute execute_no_trans };
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# The ability to invoke dex2oat. Historically required by ART, now only
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# allowed for targetApi<=28 for compat reasons.
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allow untrusted_app_25 dex2oat_exec:file rx_file_perms;
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userdebug_or_eng(`auditallow untrusted_app_25 dex2oat_exec:file rx_file_perms;')
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# The ability to talk to /dev/ashmem directly. targetApi>=29 must use
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# ASharedMemory instead.
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allow untrusted_app_25 ashmem_device:chr_file rw_file_perms;
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auditallow untrusted_app_25 ashmem_device:chr_file open;
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# Read /mnt/sdcard symlink.
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allow untrusted_app_25 mnt_sdcard_file:lnk_file r_file_perms;
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# allow sending RTM_GETNEIGH{TBL} messages.
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allow untrusted_app_25 self:netlink_route_socket nlmsg_getneigh;
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auditallow untrusted_app_25 self:netlink_route_socket nlmsg_getneigh;
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# Connect to mdnsd via mdnsd socket.
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unix_socket_connect(untrusted_app_25, mdnsd, mdnsd)
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userdebug_or_eng(`
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auditallow untrusted_app_25 mdnsd_socket:sock_file write;
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auditallow untrusted_app_25 mdnsd:unix_stream_socket connectto;
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')
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