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Android: Set ctrl_iface client socket group (AID_WIFI) separately

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Split chown() call in wpa_ctrl_open() and wpa_ctrl_open2() to allow the
group id to be set even if the process does not have privileges to
change the owner. This is needed for modules that need to communicate
with wpa_supplicant since without the group change, wpa_supplicant may
not have privileges to send the response to a control interface command.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Amarnath Hullur Subramanyam 2015-09-23 12:39:41 -07:00 committed by Jouni Malinen
parent c9cfa6a9af
commit 10cac5b1a2
1 changed files with 2 additions and 0 deletions
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2
src/common/wpa_ctrl.c
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@ -152,6 +152,8 @@ try_again:
#ifdef ANDROID
chmod(ctrl->local.sun_path, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP);
/* Set group even if we do not have privileges to change owner */
chown(ctrl->local.sun_path, -1, AID_WIFI);
chown(ctrl->local.sun_path, AID_SYSTEM, AID_WIFI);
if (os_strncmp(ctrl_path, "@android:", 9) == 0) {