389 lines
18 KiB
Smalltalk
389 lines
18 KiB
Smalltalk
"
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(C) 2014 by Holger Hans Peter Freyther
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All Rights Reserved
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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"
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TestCase subclass: SIPCallAgentTest [
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| transport sent agent |
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<category: 'OsmoSIP-Callagent-Tests'>
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<comment: 'I will test some basic call agent high-level interaction'>
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bye: aBranch callId: aCallId toTag: aTag cseq: aCseq [
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^(WriteStream on: String new)
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nextPutAll: 'BYE sip:127.0.0.1 SIP/2.0'; cr; nl;
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nextPutAll: 'Via: SIP/2.0/UDP 127.0.0.1:5060;branch='; nextPutAll: aBranch; cr; nl;
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nextPutAll: 'Max-Forwards: 70'; cr; nl;
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nextPutAll: 'CSeq: '; nextPutAll: aCseq displayString; nextPutAll: ' BYE'; cr; nl;
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nextPutAll: 'Call-Id: '; nextPutAll: aCallId; cr; nl;
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nextPutAll: 'To: <sip:st@127.0.0.1>;tag='; nextPutAll: aTag; cr; nl;
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nextPutAll: 'From: <sip:st@127.0.0.1>;tag=123'; cr; nl;
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cr; nl;
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contents
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]
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redirect: aBranch callId: aCallId tag: aTag [
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^(WriteStream on: String new)
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nextPutAll: 'SIP/2.0 302 Moved Temporarily'; cr; nl;
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nextPutAll: 'Allow: INVITE, ACK'; cr; nl;
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nextPutAll: 'Call-Id: '; nextPutAll: aCallId; cr; nl;
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nextPutAll: 'Contact: sip:+12345678@10.8.254.1'; cr; nl;
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nextPutAll: 'Content-Length: 0'; cr; nl;
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nextPutAll: 'CSeq: 1 INVITE'; cr; nl;
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nextPutAll: 'Via: SIP/2.0/UDP 127.0.0.1:5060;branch='; nextPutAll: aBranch; cr; nl;
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nextPutAll: 'From: <sip:st@127.0.0.1>;tag='; nextPutAll: aTag; cr; nl;
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nextPutAll: 'To: <sip:st@127.0.0.1>'; cr; nl;
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nextPutAll: 'Max-Forwards: 70'; cr; nl;
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nextPutAll: 'Supported: replaces'; cr; nl;
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cr; nl;
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contents
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]
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trying: aBranch callId: aCallId tag: aTag [
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^(WriteStream on: String new)
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nextPutAll: 'SIP/2.0 100 Trying'; cr; nl;
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nextPutAll: 'Call-ID: '; nextPutAll: aCallId; cr; nl;
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nextPutAll: 'Content-Length: 0'; cr; nl;
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nextPutAll: 'CSeq: 1 INVITE'; cr; nl;
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nextPutAll: 'From: <sip:st@127.0.0.1>;tag='; nextPutAll: aTag; cr; nl;
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nextPutAll: 'To: <sip:st@127.0.0.1>'; cr; nl;
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nextPutAll: 'Via: SIP/2.0/UDP 127.0.0.1:5060;branch='; nextPutAll: aBranch; cr; nl;
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cr; nl;
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contents
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]
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ok: aBranch callId: aCallId tag: aTag cseq: aCseq [
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^(WriteStream on: String new)
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nextPutAll: 'SIP/2.0 200 OK'; cr; nl;
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nextPutAll: 'Call-ID: '; nextPutAll: aCallId; cr; nl;
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nextPutAll: 'Content-Length: 0'; cr; nl;
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nextPutAll: 'CSeq: '; nextPutAll: aCseq displayString; nextPutAll: ' INVITE'; cr; nl;
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nextPutAll: 'From: <sip:st@127.0.0.1>;tag='; nextPutAll: aTag; cr; nl;
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nextPutAll: 'To: <sip:st@127.0.0.1>;tag=123'; cr; nl;
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nextPutAll: 'Via: SIP/2.0/UDP 127.0.0.1:5060;branch='; nextPutAll: aBranch; cr; nl;
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cr; nl;
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contents
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]
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invalidAuthorizationRequired: aBranch callId: aCallId tag: aTag [
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"This is missing WWW-Authenticate so it is kind of invalid"
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^(WriteStream on: String new)
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nextPutAll: 'SIP/2.0 401 Unauthorized'; cr; nl;
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nextPutAll: 'Via: SIP/2.0/UDP 127.0.0.1:5060;branch='; nextPutAll: aBranch; cr; nl;
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nextPutAll: 'From: <sip:st@127.0.0.1>;tag='; nextPutAll: aTag; cr; nl;
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nextPutAll: 'To: <sip:st@127.0.0.1>'; cr; nl;
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nextPutAll: 'Call-ID: '; nextPutAll: aCallId; cr; nl;
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nextPutAll: 'CSeq: 1 INVITE'; cr; nl;
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nextPutAll: 'Server: YATE/5.1.0'; cr; nl;
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nextPutAll: 'Allow: ACK, INVITE, BYE, CANCEL, REGISTER, REFER'; cr; nl;
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nextPutAll: 'Content-Length: 0'; cr; nl;
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cr; nl;
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contents
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]
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authorizationRequired: aBranch callId: aCallId tag: aTag [
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^self authorizationRequired: aBranch callId: aCallId tag: aTag cseq: 1
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]
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authorizationRequired: aBranch callId: aCallId tag: aTag cseq: aCseq [
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^(WriteStream on: String new)
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nextPutAll: 'SIP/2.0 401 Unauthorized'; cr; nl;
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nextPutAll: 'Via: SIP/2.0/UDP 127.0.0.1:5060;branch='; nextPutAll: aBranch; cr; nl;
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nextPutAll: 'From: <sip:st@127.0.0.1>;tag='; nextPutAll: aTag; cr; nl;
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nextPutAll: 'To: <sip:st@127.0.0.1>'; cr; nl;
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nextPutAll: 'Call-ID: '; nextPutAll: aCallId; cr; nl;
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nextPutAll: 'CSeq: '; nextPutAll: aCseq displayString; nextPutAll: ' INVITE'; cr; nl;
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nextPutAll: 'WWW-Authenticate: Digest realm="Yate", nonce="373ef30b297545cbce99fad09f1409cb.1392124197", stale=TRUE, algorithm=MD5'; cr; nl;
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nextPutAll: 'Server: YATE/5.1.0'; cr; nl;
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nextPutAll: 'Allow: ACK, INVITE, BYE, CANCEL, REGISTER, REFER'; cr; nl;
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nextPutAll: 'Content-Length: 0'; cr; nl;
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cr; nl;
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contents
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]
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proxyAuthRequired: aBranch callId: aCallId tag: aTag cseq: aCseq [
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^(WriteStream on: String new)
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nextPutAll: 'SIP/2.0 407 Proxy Authentication Required'; cr; nl;
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nextPutAll: 'Via: SIP/2.0/UDP 127.0.0.1:5060;branch='; nextPutAll: aBranch; cr; nl;
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nextPutAll: 'Proxy-Authenticate: Digest realm="07440491",qop="auth",nonce="06fafd01e9aade68c8400db8c9c146a7bfc5bc28C0A4AC1EE6A8",algorithm=MD5'; cr; nl;
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nextPutAll: 'From: <sip:st@127.0.0.1>;tag='; nextPutAll: aTag; cr; nl;
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nextPutAll: 'To: <sip:st@127.0.0.1>'; cr; nl;
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nextPutAll: 'Call-ID: '; nextPutAll: aCallId; cr; nl;
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nextPutAll: 'CSeq: '; nextPutAll: aCseq displayString; nextPutAll: ' INVITE'; cr; nl;
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nextPutAll: 'Server: YATE/5.1.0'; cr; nl;
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nextPutAll: 'Allow: ACK, INVITE, BYE, CANCEL, REGISTER, REFER'; cr; nl;
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nextPutAll: 'Content-Length: 0'; cr; nl;
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cr; nl;
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contents
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]
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setUp [
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sent := OrderedCollection new.
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transport := SIPTransportMock new
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onData: [:datagram | sent add: datagram];
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yourself.
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agent := SIPUserAgent createOn: transport.
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agent
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username: 'st';
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password: 'st'.
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]
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testSimpleInvite [
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| call msg |
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call := SIPCall fromUser: 'sip:sip@test' host: '127.0.0.1' port: 5060 to: 'sip:127.0.0.1' on: agent.
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call createCall: 'dummy-sdp'.
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self assert: call state equals: SIPCall stateInvite.
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self assert: sent size equals: 1.
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msg := agent parser parse: sent first data.
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self assert: msg class verb equals: SIPInviteRequest verb.
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self assert: (msg parameter: 'CSeq' ifAbsent: [-1]) number equals: 1.
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call cancel.
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self assert: call state equals: SIPCall stateCancel.
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]
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testInviteWithInvalidAuthorization [
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| call msg branch callId fromTag auth |
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call := SIPCall fromUser: 'sip:sip@test' host: '127.0.0.1' port: 5060 to: 'sip:127.0.0.1' on: agent.
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call createCall: 'dummy-sdp'.
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"First assertions for the invite"
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self assert: sent size equals: 1.
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msg := agent parser parse: sent first data.
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self assert: (msg parameter: 'CSeq' ifAbsent: [-1]) number equals: 1.
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self assert: call state equals: SIPCall stateInvite.
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"Now inject an auth requirement message"
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branch := (msg parameter: 'Via' ifAbsent: [nil]) branch.
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callId := (msg parameter: 'Call-ID' ifAbsent: [-1]).
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fromTag := (msg parameter: 'From' ifAbsent: [nil]).
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transport inject: (self invalidAuthorizationRequired: branch callId: callId tag: fromTag tag).
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self assert: call state equals: SIPCall stateFailed.
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self assert: sent size equals: 1.
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]
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testInviteWithAuthorization [
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| call msg branch callId fromTag auth secondBranch |
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call := SIPCall fromUser: 'sip:sip@test' host: '127.0.0.1' port: 5060 to: 'sip:127.0.0.1' on: agent.
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call createCall: 'dummy-sdp'.
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"First assertions for the invite"
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self assert: sent size equals: 1.
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msg := agent parser parse: sent first data.
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self assert: (msg parameter: 'CSeq' ifAbsent: [-1]) number equals: 1.
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self assert: call state equals: SIPCall stateInvite.
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"Now inject an auth requirement message"
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branch := (msg parameter: 'Via' ifAbsent: [nil]) branch.
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callId := (msg parameter: 'Call-ID' ifAbsent: [-1]).
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fromTag := (msg parameter: 'From' ifAbsent: [nil]).
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transport inject: (self authorizationRequired: branch callId: callId tag: fromTag tag).
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"Verify that a second message has been sent and it contains an auth result"
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self assert: sent size equals: 3.
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msg := agent parser parse: sent second data.
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self assert: msg class verb equals: 'ACK'.
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msg := agent parser parse: sent third data.
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self assert: msg class verb equals: 'INVITE'.
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secondBranch := (msg parameter: 'Via' ifAbsent: [nil]) branch.
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self deny: branch = secondBranch.
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self assert: (msg parameter: 'CSeq' ifAbsent: [-1]) number equals: 2.
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self assert: call state equals: SIPCall stateInvite.
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"Verify the auth part of the message"
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auth := msg parameter: 'Authorization' ifAbsent: [nil].
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self deny: auth isNil.
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self assert: auth username equals: 'st'.
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self assert: auth realm equals: 'Yate'.
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self assert: auth uri equals: 'sip:127.0.0.1'.
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self assert: auth nonce equals: '373ef30b297545cbce99fad09f1409cb.1392124197'.
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self assert: auth response equals: 'bc8dfaa413e897863dbab4c622e4b9b4'.
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call cancel.
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self assert: call state equals: SIPCall stateCancel.
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]
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testInviteWithDoubleAuth [
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| call msg branch callId fromTag auth |
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call := SIPCall fromUser: 'sip:sip@test' host: '127.0.0.1' port: 5060 to: 'sip:127.0.0.1' on: agent.
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call createCall: 'dummy-sdp'.
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"First assertions for the invite"
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self assert: sent size equals: 1.
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msg := agent parser parse: sent first data.
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self assert: (msg parameter: 'CSeq' ifAbsent: [-1]) number equals: 1.
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self assert: call state equals: SIPCall stateInvite.
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"Now inject an auth requirement message"
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branch := (msg parameter: 'Via' ifAbsent: [nil]) branch.
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callId := (msg parameter: 'Call-ID' ifAbsent: [-1]).
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fromTag := (msg parameter: 'From' ifAbsent: [nil]).
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transport inject: (self authorizationRequired: branch callId: callId tag: fromTag tag).
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"Verify that a second message has been sent and it contains an auth result"
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self assert: sent size equals: 3.
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msg := agent parser parse: sent second data.
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self assert: msg class verb equals: 'ACK'.
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msg := agent parser parse: sent third data.
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self assert: msg class verb equals: 'INVITE'.
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branch := (msg parameter: 'Via' ifAbsent: [nil]) branch.
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self assert: (msg parameter: 'CSeq' ifAbsent: [-1]) number equals: 2.
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self assert: call state equals: SIPCall stateInvite.
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"Verify the auth part of the message"
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auth := msg parameter: 'Authorization' ifAbsent: [nil].
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self deny: auth isNil.
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self assert: auth username equals: 'st'.
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self assert: auth realm equals: 'Yate'.
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self assert: auth uri equals: 'sip:127.0.0.1'.
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self assert: auth nonce equals: '373ef30b297545cbce99fad09f1409cb.1392124197'.
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self assert: auth response equals: 'bc8dfaa413e897863dbab4c622e4b9b4'.
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"Inject another auth.."
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transport inject: (self authorizationRequired: branch callId: callId tag: fromTag tag cseq: 2).
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self assert: call state equals: #failed.
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]
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setUpProxyAuthCall [
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| call msg branch callId fromTag auth secondBranch origCnonce |
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call := SIPCall fromUser: 'sip:sip@test' host: '127.0.0.1' port: 5060 to: 'sip:127.0.0.1' on: agent.
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call createCall: 'dummy-sdp'.
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"First assertions for the invite"
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self assert: sent size equals: 1.
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msg := agent parser parse: sent first data.
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self assert: (msg parameter: 'CSeq' ifAbsent: [-1]) number equals: 1.
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self assert: call state equals: SIPCall stateInvite.
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"Now inject an auth requirement message"
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branch := (msg parameter: 'Via' ifAbsent: [nil]) branch.
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callId := (msg parameter: 'Call-ID' ifAbsent: [-1]).
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fromTag := (msg parameter: 'From' ifAbsent: [nil]).
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transport inject: (self proxyAuthRequired: branch callId: callId tag: fromTag tag cseq: 1).
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"Verify that a second message has been sent and it contains an auth result"
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self assert: sent size equals: 3.
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msg := agent parser parse: sent second data.
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self assert: msg class verb equals: 'ACK'.
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msg := agent parser parse: sent third data.
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self assert: msg class verb equals: 'INVITE'.
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secondBranch := (msg parameter: 'Via' ifAbsent: [nil]) branch.
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self deny: branch = secondBranch.
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self assert: (msg parameter: 'CSeq' ifAbsent: [-1]) number equals: 2.
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self assert: call state equals: SIPCall stateInvite.
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"Verify the auth part of the message"
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auth := msg parameter: 'Proxy-Authorization' ifAbsent: [nil].
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self deny: auth isNil.
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self assert: auth username equals: 'st'.
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self assert: auth realm equals: '07440491'.
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self assert: auth uri equals: 'sip:127.0.0.1'.
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self assert: auth nonce equals: '06fafd01e9aade68c8400db8c9c146a7bfc5bc28C0A4AC1EE6A8'.
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self assert: auth qop equals: 'auth'.
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self assert: auth nonceCount equals: '00000001'.
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"Fields that depend on the random clientNonce"
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self assert: auth response size equals: 32.
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self assert: auth clientNonce size equals: 8.
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origCnonce := auth clientNonce.
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"Inject a 200 and check the ACK"
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transport inject: (self ok: secondBranch callId: callId tag: fromTag tag cseq: 2).
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self assert: sent size equals: 4.
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msg := agent parser parse: (sent at: 4) data.
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self assert: (msg parameter: 'CSeq' ifAbsent: [-1]) number equals: 2.
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self assert: call state equals: SIPCall stateSession.
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auth := msg parameter: 'Proxy-Authorization' ifAbsent: [nil].
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self deny: auth isNil.
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self assert: auth username equals: 'st'.
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self assert: auth realm equals: '07440491'.
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self assert: auth uri equals: 'sip:127.0.0.1'.
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self assert: auth nonce equals: '06fafd01e9aade68c8400db8c9c146a7bfc5bc28C0A4AC1EE6A8'.
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self assert: auth qop equals: 'auth'.
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self assert: auth nonceCount equals: '00000002'.
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self assert: auth clientNonce equals: origCnonce.
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^call
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]
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testWithProxyAuth [
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| call |
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call := self setUpProxyAuthCall.
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"And let it timeout.. With better code and the clientNonce
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being stored in the call/initial dialog we could even add
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the Proxy-Authorization to the BYE message.."
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call hangup.
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]
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testWithProxyAuthRemoteBye [
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| call msg branch callId fromTag sentNr |
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call := self setUpProxyAuthCall.
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msg := agent parser parse: sent second data.
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branch := (msg parameter: 'Via' ifAbsent: [nil]) branch.
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callId := (msg parameter: 'Call-ID' ifAbsent: [-1]).
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fromTag := (msg parameter: 'From' ifAbsent: [nil]).
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sentNr := sent size.
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self assert: call state equals: SIPCall stateSession.
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transport inject: (self bye: branch callId: callId toTag: fromTag tag cseq: 2).
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self assert: sent size equals: sentNr + 1.
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self assert: call state equals: SIPCall stateRemoteHangup.
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msg := agent parser parse: (sent at: sentNr + 1) data.
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self assert: msg class equals: SIPResponse.
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self assert: msg code equals: '200'.
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self assert: msg phrase equals: 'OK'.
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self assert: (msg parameter: 'From' ifAbsent: [nil]) tag equals: '123'.
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]
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testInviteWithRedirect [
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| call msg branch callId fromTag |
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call := SIPCall fromUser: 'sip:sip@test' host: '127.0.0.1' port: 5060 to: 'sip:127.0.0.1' on: agent.
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call createCall: 'dummy-sdp'.
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"First assertions for the invite"
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self assert: sent size equals: 1.
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msg := agent parser parse: sent first data.
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self assert: (msg parameter: 'CSeq' ifAbsent: [-1]) number equals: 1.
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self assert: call state equals: SIPCall stateInvite.
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branch := (msg parameter: 'Via' ifAbsent: [nil]) branch.
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callId := (msg parameter: 'Call-ID' ifAbsent: [-1]).
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fromTag := (msg parameter: 'From' ifAbsent: [nil]).
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"Inject a 100 trying"
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transport inject: (self trying: branch callId: callId tag: fromTag tag).
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self assert: call state equals: SIPCall stateInvite.
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"We could inject a 100 Trying but Now inject an auth requirement message"
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transport inject: (self redirect: branch callId: callId tag: fromTag tag).
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self assert: call state equals: SIPCall stateRedirect.
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"Check we get the ACK"
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msg := agent parser parse: sent second data.
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self assert: msg class equals: SIPACKRequest.
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]
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]
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