Add inv_brkn1, a test case where Bob is sending us broken SDP

in 183 session progress response to the INVITE.

functions

@@ -84,6 +84,10 @@ then
   BOB_TIMEOUT=90
   TEST_SET="${TEST_SET},11,12,13,14,reinv_brkn1,reinv_brkn2,reinv_bad_ack"
 fi
+if [ "${MM_TYPE}" = "b2bua" ]
+then
+  TEST_SET="${TEST_SET},inv_brkn1"
+fi
 
 #if [ "${MM_TYPE}" != "opensips" -o "${MM_BRANCH}" = "1.11" ]
 #then

lib/alice_testcore.py

@@ -55,13 +55,14 @@
 from ..test_cases.reinv_adelay import a_test_reinv_adelay
 from ..test_cases.reinv_frombob import a_test_reinv_frombob
 from ..test_cases.reinv_bad_ack import a_test_reinv_bad_ack
+from ..test_cases.inv_brkn1 import a_test_inv_brkn1
 
 ALL_TESTS = (a_test1, a_test2, a_test3, a_test4, a_test5, a_test6, a_test7, \
   a_test8, a_test9, a_test10, a_test11, a_test12, a_test13, a_test14, \
   a_test_early_cancel, a_test_early_cancel_lost100, a_test_reinvite, \
   a_test_reinv_fail, a_test_reinv_brkn1, a_test_reinv_brkn2, \
   a_test_reinv_onhold, a_test_reinv_adelay, a_test_reinv_frombob, \
-  a_test_reinv_bad_ack)
+  a_test_reinv_bad_ack, a_test_inv_brkn1)
 
 class a_cfg(object):
     test_class = None

lib/bob_testcore.py

@@ -57,13 +57,14 @@
 from ..test_cases.reinv_adelay import b_test_reinv_adelay
 from ..test_cases.reinv_frombob import b_test_reinv_frombob
 from ..test_cases.reinv_bad_ack import b_test_reinv_bad_ack
+from ..test_cases.inv_brkn1 import b_test_inv_brkn1
 
 ALL_TESTS = (b_test1, b_test2, b_test3, b_test4, b_test5, b_test6, b_test7, \
   b_test8, b_test9, b_test10, b_test11, b_test12, b_test13, b_test14, \
   b_test_early_cancel, b_test_early_cancel_lost100, b_test_reinvite, \
   b_test_reinv_fail, b_test_reinv_brkn1, b_test_reinv_brkn2, \
   b_test_reinv_onhold, b_test_reinv_adelay, b_test_reinv_frombob, \
-  b_test_reinv_bad_ack)
+  b_test_reinv_bad_ack, b_test_inv_brkn1)
 
 class STMHooks(object):
     lossemul = 0

rtpproxy.b2bua.output

@@ -1,5 +1,5 @@
-nsess_created=46 nsess_destroyed=42 nsess_timeout=4 nsess_complete=30 nsess_nortp=26 nsess_owrtp=0 nsess_nortcp=26 nsess_owrtcp=0
-ncmds_rcvd=167 ncmds_succd=162 ncmds_errs=4 ncmds_repld=166
-nsess_created=46 nsess_destroyed=46 nsess_timeout=8 nsess_complete=30 nsess_nortp=30 nsess_owrtp=0 nsess_nortcp=30 nsess_owrtcp=0
-ncmds_rcvd=173 ncmds_succd=164 ncmds_errs=8 ncmds_repld=172
+nsess_created=48 nsess_destroyed=44 nsess_timeout=4 nsess_complete=30 nsess_nortp=26 nsess_owrtp=0 nsess_nortcp=26 nsess_owrtcp=0
+ncmds_rcvd=171 ncmds_succd=166 ncmds_errs=4 ncmds_repld=170
+nsess_created=48 nsess_destroyed=48 nsess_timeout=8 nsess_complete=30 nsess_nortp=30 nsess_owrtp=0 nsess_nortcp=30 nsess_owrtcp=0
+ncmds_rcvd=177 ncmds_succd=168 ncmds_errs=8 ncmds_repld=176
 MEMDEB(rtpproxy): all clear

test_cases/inv_brkn1.py

@@ -0,0 +1,75 @@
+# Copyright (c) 2016 Sippy Software, Inc. All rights reserved.
+#
+# All rights reserved.
+#
+# 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.
+#
+# 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 HOLDER 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.
+
+from .t2 import a_test2 as a_test_inv, b_test2 as b_test_inv
+
+from sippy.CCEvents import CCEventTry, CCEventRing, CCEventFail, CCEventDisconnect
+
+def cripple_body(self, sdp_body):
+    sdp_body = sdp_body.getCopy()
+    for sect in sdp_body.content.sections:
+        if sect.m_header.transport.lower() not in ('udp', 'udptl', 'rtp/avp'):
+            continue
+        sect.c_header = None
+        if sect.m_header.port + self.p_incr <= 0:
+            self.p_incr = -self.p_incr
+        sect.m_header.port += self.p_incr
+        self.p_incr = -self.p_incr
+    sdp_body.content.o_header.version += 1
+    return sdp_body
+
+class a_test_inv_brkn1(a_test_inv):
+    cld = 'bob_inv_brkn1'
+    cli = 'alice_inv_brkn1'
+
+    def alldone(self, ua):
+        if self.disconnect_done and self.nerrs == 0:
+            self.rval = 0
+        self.tccfg.done_cb(self)
+
+    def recvEvent(self, event, ua):
+        if isinstance(event, CCEventTry):
+            return (super().recvEvent(event, ua))
+        if isinstance(event, CCEventRing) and event.getData()[0] == 100:
+            return (super().recvEvent(event, ua))
+        if self.connect_done or not isinstance(event, (CCEventFail, CCEventDisconnect)):
+            self.nerrs += 1
+            raise ValueError(f'{self.failed_msg()}: INVITE has NOT failed with {event}')
+        return (super().recvEvent(event, ua))
+
+class b_test_inv_brkn1(b_test_inv):
+    cli = 'bob_inv_brkn1'
+    p_incr = -10
+
+    def ring(self, ua):
+        if self.connect_done or self.disconnect_done:
+            return
+        self.body = cripple_body(self, self.body)
+        super().ring(ua)
+
+    def alldone(self, ua):
+        if self.ring_done and not self.connect_done and self.disconnect_done and self.nerrs == 0:
+            self.rval = 0
+        self.tccfg.done_cb(self)