Add os_exec() helper to run external programs

Change-Id: I579af1fa8c2f85622ffddb186ba799dcb9ac4b6f
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
wpa_cli: Use os_exec() for action script execution

Use os_exec() to run the action script operations to avoid undesired
command line processing for control interface event strings. Previously,
it could have been possible for some of the event strings to include
unsanitized data which is not suitable for system() use. (CVE-2014-3686)

Change-Id: I0005ed08e4b06ba3d2ebe95b9240050e47ed2e8c
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
hostapd_cli: Use os_exec() for action script execution

Use os_exec() to run the action script operations to avoid undesired
command line processing for control interface event strings. Previously,
it could have been possible for some of the event strings to include
unsanitized data which is not suitable for system() use. (CVE-2014-3686)

Change-Id: If46d6cfcb9d7fc9700965e818315e5aa50fa11a5
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
P2P: Extend the listen time based on the active concurrent session

A P2P Device while in the Listen state waiting to respond for the
obtained group negotiation request shall give a fair chance for other
concurrent sessions to use the shared radio by inducing an idle time
between the successive listen states. However, if there are no
concurrent operations, this idle time can be reduced.

CRs-Fixed: 606348
Git-commit: a2d63657603b8f0714274f34bea45cb5d0c0a7b9
Git-repo : git://w1.fi/srv/git/hostap.git
Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
Change-Id: Ifbc6b7687889055764ef462abb710ef9a6c580a8
X.509: Fix internal TLS/X.509 validation of PKCS#1 signature

Verify that there is no extra data after the hash field. This is needed
to avoid potential attacks using additional data to construct a value
that passes the RSA operation and allows the hash value to be forged.

CRs-Fixed: 654804
Change-Id: Iee0a8de08fd0f7d66b3bfd0c4396637d9b70e92f
Git-commit: 9c29d48725fd40a82407a89f193cf009aeef9745
Git-repo : git://w1.fi/srv/git/hostap.git
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
P2P: Fix segfault when PBC overlap is detected

If a separate P2P group interface is used, PBC overlap during group
formation causes the group interface to be removed, which ends up with
the interface context becoming invalid. Fix this by scheduling a timeout
to process the PBC overlap and interface removal instead of removing the
interface directly before the connection operation has returned.

Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Git-commit: ace0fbdb69b492a3aa6f24d07f0d6d4dffc4b7dc
Git-repo : git://w1.fi/srv/git/hostap.git
Change-Id: Iee452eb1ea731c7e216e0ec25a7c7235756589ac
CRs-fixed: 670339
Merge branch 'cm-11.0' into stable/cm-11.0