[OpenSER-Users] subst_body missing /sm flags

[Bogdan-Andrei Iancu]

Hi Aki,

Even if not documented, the s flag is supported in the subst_* 
functions...Is the m flag mandatory in your case?

regards,
bogdan

Aki Rehn wrote:
> Hi,
>
> I need some help.
>
> Here's my input in onreply_route:
>
> --- 8< ---
> U 2007/10/05 12:26:58.832161 xxx.18.234.14:5060 -> xxx.18.238.2:5060
> SIP/2.0 180 Ringing.
> From: "aki"<sip:358942419xxx at devel.foo.fi>;tag=as508b1a29.
> To: 
> <sip:3584577509xxx at vox.bar.fi>;tag=eea1259-13c4-47060394-b296ee66-575d.
> Call-ID: 7b18b07b06335629699f1d5818e07548 at devel.foo.fi.
> CSeq: 102 INVITE.
> Via: SIP/2.0/UDP xxx.18.238.2;branch=z9hG4bK570f.7ca86953.0.
> Via: SIP/2.0/UDP xxx.18.238.15:5060;branch=z9hG4bK68f201e6.
> Contact: <sip:3584577509xxx at xxx.18.234.14>.
> Record-Route: <sip:xxx.18.238.2;lr;ftag=as508b1a29>.
> Content-Type: multipart/mixed 
> ;boundary="Boundary47060397_b296f9ef_3ecc_bc780ec".
> Content-Length: 397.
> .
> --Boundary47060397_b296f9ef_3ecc_bc780ec.
> Content-Type: application/SDP.
> .
> v=0.
> o=xxx.18.234.23 1191575887 1191575887 IN IP4 xxx.18.234.23.
> s=Session SDP.
> c=IN IP4 xxx.18.234.23.
> t=0 0.
> m=audio 11130 RTP/AVP 0.
> a=rtpmap:0 PCMU/8000.
> a=ptime:20.
> .
> --Boundary47060397_b296f9ef_3ecc_bc780ec.
> Content-Type: application/ISUP ;version=itu-t.
> .
> ,.....4)..9.7.7....
> --Boundary47060397_b296f9ef_3ecc_bc780ec--
> --- >8 ---
>
> These extra Conten-Type (application/ISUP and multipart/mixed) are 
> messing up some older PBX's of ours, so I need to strip them out.
>
> With perl I could do it like this:
> s/^Content-Type: application\/ISUP 
> ;version=itu-t.*--Boundary/--Boundary/sm;
> s/--Boundary.*$//mg;
>
> However the subst_body() doesnt seem to support /sm flags.
>
> Discussing this on #openser @ freenode we tried solutions with 
> transformations (thanks NormB!) like:
> $(hdr(Content-Type)) = $(hdr(Content-Type){s.substr,0,0})
>
> .. or like the same with replace* functions.
>
> However I didnt find a suitable solutions.
>
> Anyone maybe got any ideas?
>
>
> Br,
> Aki
>
>
>
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