[reSIProcate] [resiprocate] Ignore trailing null bytes in SIP keepalives (#38)

[Adrian A <notifications@xxxxxxxxxx>]

New versions of Asterisk (12+, based on pjsip stack) send keep alive packets as '\r\n\0' instead of '\r\n\r\n'. Ignoring the fact that these are treated as "pong" packets, the trailing null byte mess up the preprocessor state such that any subsequent SIP message cannot be parsed properly and the stack sends 400 error.
This change makes the "ping" and "pong" packet processing ignore trailing null bytes.

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You can view, comment on, or merge this pull request online at:

  https://github.com/resiprocate/resiprocate/pull/38

Commit Summary

• Ignore trailing null bytes when processing ping/pong SIP keep alive packets

File Changes

• M resip/stack/ConnectionBase.cxx (12)

Patch Links:

• https://github.com/resiprocate/resiprocate/pull/38.patch
• https://github.com/resiprocate/resiprocate/pull/38.diff

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