prosody
dd0b250cb6c4
util/sasl/plain.lua

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util/sasl/plain.lua @ 2200:dd0b250cb6c4

SASLprep authentication and password in SASL PLAIN implementation.
author Tobias Markmann <tm@ayena.de>
date Wed, 18 Nov 2009 22:02:32 +0100
parent 2187:f0a85d11823e
child 2209:adbedc32d41b
comparison
equal deleted inserted replaced
2199:08a6b91bfe7b 2200:dd0b250cb6c4
10 -- * Neither the name of Tobias Markmann nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. 10 -- * Neither the name of Tobias Markmann nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
11 -- 11 --
12 -- 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. 12 -- 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.
13 13
14 local s_match = string.match; 14 local s_match = string.match;
15 local saslprep = require "util.encodings".stringprep.saslprep;
16 local log = require "util.logger".init("sasl");
15 17
16 module "plain" 18 module "plain"
17 19
18 --========================= 20 --=========================
19 --SASL PLAIN according to RFC 4616 21 --SASL PLAIN according to RFC 4616
23 local authentication = s_match(response, "%z([^%z]+)%z") 25 local authentication = s_match(response, "%z([^%z]+)%z")
24 local password = s_match(response, "%z[^%z]+%z([^%z]+)") 26 local password = s_match(response, "%z[^%z]+%z([^%z]+)")
25 27
26 if authentication == nil or password == nil then 28 if authentication == nil or password == nil then
27 return "failure", "malformed-request"; 29 return "failure", "malformed-request";
30 end
31
32 -- SASLprep password and authentication
33 authentication = saslprep(authentication);
34 password = saslprep(password);
35
36 if (not password) or (password == "") or (not authentication) or (authentication == "") then
37 log("debug", "Username or password violates either SASLprep.");
28 end 38 end
29 39
30 local correct, state = false, false; 40 local correct, state = false, false;
31 if self.profile.plain then 41 if self.profile.plain then
32 local correct_password; 42 local correct_password;