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cff545720e
If the stored configurations for an SSID have changed, we can no longer trust the current blacklist state of that SSID, since the updated configs could change the behavior of the network. E.g., the BSS could be blacklisted due to a bad password, and the config could be updated to store the correct password. In this case, keeping the BSS in the blacklist will prevent the user from connecting to the BSS after the correct password has been updated. Add the value was_changed_recently to the wpa_ssid struct. Update this value every time a config is changed through wpa_set_config(). Check this value in wpa_blacklist_get() to clear the blacklist whenever the configs of current_ssid have changed. This solution was chosen over simply clearing the blacklist whenever configs change because the user should be able to change configs on an inactive SSID without affecting the blacklist for the currently active SSID. This way, the blacklist won't be cleared until the user attempts to connect to the inactive network again. Furthermore, the blacklist is stored per-BSSID while configs are stored per-SSID, so we don't have the option to just clear out certain blacklist entries that would be affected by the configs. Finally, the function wpa_supplicant_reload_configuration() causes the configs to be reloaded from scratch, so after a call to this function all bets are off as to the relevance of our current blacklist state. Thus, we clear the entire blacklist within this function. Signed-off-by: Kevin Lund <kglund@google.com> Signed-off-by: Brian Norris <briannorris@chromium.org> |
4 years ago | |
|---|---|---|
| doc | 4 years ago | |
| eap_example | 4 years ago | |
| hostapd | 4 years ago | |
| hs20 | 4 years ago | |
| radius_example | 4 years ago | |
| src | 4 years ago | |
| tests | 4 years ago | |
| wlantest | 4 years ago | |
| wpa_supplicant | 4 years ago | |
| wpadebug | 5 years ago | |
| wpaspy | 4 years ago | |
| .gitignore | 4 years ago | |
| Android.mk | 11 years ago | |
| CONTRIBUTIONS | 5 years ago | |
| COPYING | 5 years ago | |
| README | 5 years ago | |
| build_release | 9 years ago | |
README
wpa_supplicant and hostapd -------------------------- Copyright (c) 2002-2019, 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.