Module: kamailio Branch: master Commit: 5be968a37cfb976339bfb8f3faa8b712c169ed03 URL: https://github.com/kamailio/kamailio/commit/5be968a37cfb976339bfb8f3faa8b712...

Author: Daniel-Constantin Mierla miconda@gmail.com Committer: Daniel-Constantin Mierla miconda@gmail.com Date: 2016-07-11T15:40:04+02:00

dialog: buffer-based remove of custome header tracking cseq updates

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Modified: modules/dialog/dlg_cseq.c

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Diff: https://github.com/kamailio/kamailio/commit/5be968a37cfb976339bfb8f3faa8b712... Patch: https://github.com/kamailio/kamailio/commit/5be968a37cfb976339bfb8f3faa8b712...

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diff --git a/modules/dialog/dlg_cseq.c b/modules/dialog/dlg_cseq.c index be87470..72595a8 100644 --- a/modules/dialog/dlg_cseq.c +++ b/modules/dialog/dlg_cseq.c @@ -197,6 +197,7 @@ int dlg_cseq_msg_sent(void *data) char tbuf[BUF_SIZE]; int tbuf_len = 0; struct via_body *via; + hdr_field_t *hfk = NULL;

obuf = (str*)data; memset(&msg, 0, sizeof(sip_msg_t)); @@ -236,10 +237,11 @@ int dlg_cseq_msg_sent(void *data)

/* check if transaction is marked for a new increment */ if(get_cseq(&msg)->method_id!=METHOD_ACK) { - if(sr_hdr_get_z(&msg, "P-K-Auth-CSeq")!=NULL) { + hfk = sr_hdr_get_z(&msg, "P-K-Auth-CSeq"); + if(hfk!=NULL) { LM_DBG("uac auth request - cseq inc needed\n"); ninc = 1; - sr_hdr_del_z(&msg, "P-K-Auth-CSeq"); + /* sr_hdr_del_z(&msg, "P-K-Auth-CSeq"); */ } else { LM_DBG("uac auth request - cseq inc not needed\n"); goto done; @@ -301,12 +303,25 @@ int dlg_cseq_msg_sent(void *data) /* add new value */ memcpy(tbuf+tbuf_len, nval.s, nval.len); tbuf_len += nval.len; - /* copy from after cseq number to the end of sip message */ - memcpy(tbuf+tbuf_len, get_cseq(&msg)->number.s+get_cseq(&msg)->number.len, - msg.buf + msg.len - get_cseq(&msg)->number.s - - get_cseq(&msg)->number.len); - tbuf_len += msg.buf+msg.len - get_cseq(&msg)->number.s - - get_cseq(&msg)->number.len; + if(hfk && hfk->name.s > get_cseq(&msg)->number.s) { + /* copy from after cseq number to the beginning of hfk */ + memcpy(tbuf+tbuf_len, get_cseq(&msg)->number.s+get_cseq(&msg)->number.len, + hfk->name.s - get_cseq(&msg)->number.s + - get_cseq(&msg)->number.len); + tbuf_len += hfk->name.s - get_cseq(&msg)->number.s + - get_cseq(&msg)->number.len; + /* copy from after hfk to the end of sip message */ + memcpy(tbuf+tbuf_len, hfk->name.s + hfk->name.len, + msg.buf + msg.len - hfk->name.s - hfk->name.len); + tbuf_len += msg.buf + msg.len - hfk->name.s - hfk->name.len; + } else { + /* copy from after cseq number to the end of sip message */ + memcpy(tbuf+tbuf_len, get_cseq(&msg)->number.s+get_cseq(&msg)->number.len, + msg.buf + msg.len - get_cseq(&msg)->number.s + - get_cseq(&msg)->number.len); + tbuf_len += msg.buf+msg.len - get_cseq(&msg)->number.s + - get_cseq(&msg)->number.len; + } } else { /* CSeq is before Via */ /* copy till beginning of cseq number */ @@ -327,12 +342,25 @@ int dlg_cseq_msg_sent(void *data) tbuf[tbuf_len++] = 's'; memcpy(tbuf+tbuf_len, get_cseq(&msg)->number.s, get_cseq(&msg)->number.len); tbuf_len += get_cseq(&msg)->number.len; - /* copy from after via to the end of sip message */ - memcpy(tbuf+tbuf_len, via->branch->value.s + via->branch->value.len, - msg.buf + msg.len - via->branch->value.s - - via->branch->value.len); - tbuf_len += msg.buf+msg.len - via->branch->value.s - - via->branch->value.len; + if(hfk && hfk->name.s > get_cseq(&msg)->number.s) { + /* copy from after via to the beginning of hfk */ + memcpy(tbuf+tbuf_len, via->branch->value.s + via->branch->value.len, + hfk->name.s - via->branch->value.s + - via->branch->value.len); + tbuf_len += hfk->name.s - via->branch->value.s + - via->branch->value.len; + /* copy from after hfk to the end of sip message */ + memcpy(tbuf+tbuf_len, hfk->name.s + hfk->name.len, + msg.buf + msg.len - hfk->name.s - hfk->name.len); + tbuf_len += msg.buf + msg.len - hfk->name.s - hfk->name.len; + } else { + /* copy from after via to the end of sip message */ + memcpy(tbuf+tbuf_len, via->branch->value.s + via->branch->value.len, + msg.buf + msg.len - via->branch->value.s + - via->branch->value.len); + tbuf_len += msg.buf+msg.len - via->branch->value.s + - via->branch->value.len; + } } /* replace old msg content */ obuf->s = pkg_malloc((tbuf_len+1)*sizeof(char));