e62805d7cc
The new wifi HAL manages the wlan driver and hence needs to be able to
load/unload the driver. The "wlan.driver.status" is used to indicate the
state of the driver to the rest of the system. There are .rc scripts for
example which wait for the state of this property.
Denials:
03-01 13:31:43.394 476 476 W android.hardwar: type=1400
audit(0.0:7243): avc: denied { read } for name="u:object_r:wifi_prop:s0"
dev="tmpfs" ino=10578 scontext=u:r:hal_wifi_default:s0
tcontext=u:object_r:wifi_prop:s0 tclass=file permissive=0
03-01 13:31:43.399 476 476 E libc : Access denied finding
property "wlan.driver.status"
Bug: 35765841
Test: Denials no longer seen
Change-Id: I502494af7140864934038ef51cb0326ba3902c63
20 lines
812 B
Text
20 lines
812 B
Text
# HwBinder IPC from client to server, and callbacks
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binder_call(hal_wifi_client, hal_wifi_server)
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binder_call(hal_wifi_server, hal_wifi_client)
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r_dir_file(hal_wifi, proc_net)
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r_dir_file(hal_wifi, sysfs_type)
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set_prop(hal_wifi, wifi_prop)
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# allow hal wifi set interfaces up and down
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allow hal_wifi self:udp_socket create_socket_perms;
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allowxperm hal_wifi self:udp_socket ioctl { SIOCSIFFLAGS };
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allow hal_wifi self:capability { net_admin net_raw };
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# allow hal_wifi to speak to nl80211 in the kernel
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allow hal_wifi self:netlink_socket create_socket_perms_no_ioctl;
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# newer kernels (e.g. 4.4 but not 4.1) have a new class for sockets
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allow hal_wifi self:netlink_generic_socket create_socket_perms_no_ioctl;
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# hal_wifi writes firmware paths to this file.
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allow hal_wifi sysfs_wlan_fwpath:file { w_file_perms };
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