Wireless access point daemon, patched with ubus support
c6ff28cb63
In function driver_nl80211_link_remove(), when there is no active links, interface is removed. This will free the BSS pointer. A copy of the BSS pointer is also stored in each of the affiliated links' hapd->drv_priv member. driver_nl80211_link_remove() is called via multiple paths, e.g., via NL80211_CMD_STOP_AP and via driver_nl80211_ops. When called when handling an nl80211 event, links will be removed and when count reaches zero, the interface will be removed. However, core hostapd will be unaware of this removal. Hence, if it tries to access its drv_priv pointer, this can lead to segmentation fault at times since the pointer is now pointing to freed memory. Prevent this by adding a new notification event (EVENT_MLD_INTERFACE_FREED). Whenever the interface is freed, this notification will be sent. hostapd will process this notification and will set all affliated links' hapd->drv_priv to NULL. Signed-off-by: Naveen S <quic_naves@quicinc.com> Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com> |
||
|---|---|---|
| doc | ||
| eap_example | ||
| hostapd | ||
| hs20 | ||
| radius_example | ||
| src | ||
| tests | ||
| wlantest | ||
| wpa_supplicant | ||
| wpadebug | ||
| wpaspy | ||
| .gitignore | ||
| Android.mk | ||
| build_release | ||
| CONTRIBUTIONS | ||
| COPYING | ||
| gen_compile_commands.py | ||
| README | ||
wpa_supplicant and hostapd -------------------------- Copyright (c) 2002-2024, Jouni Malinen <j@w1.fi> and contributors All Rights Reserved. These programs are licensed under the BSD license (the one with advertisement clause removed). If you are submitting changes to the project, please see CONTRIBUTIONS file for more instructions. This package may include either wpa_supplicant, hostapd, or both. See README file respective subdirectories (wpa_supplicant/README or hostapd/README) for more details. Source code files were moved around in v0.6.x releases and compared to earlier releases, the programs are now built by first going to a subdirectory (wpa_supplicant or hostapd) and creating build configuration (.config) and running 'make' there (for Linux/BSD/cygwin builds). License ------- This software may be distributed, used, and modified under the terms of BSD license: Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. 3. Neither the name(s) of the above-listed copyright holder(s) nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.