int th_unmask_ruri(sip_msg_t *msg)
{
str eval;
struct lump* l;
str out;
if(th_get_uri_param_value(&REQ_LINE(msg).uri, &th_uparam_name, &eval)<0
|| eval.len<=0)
return -1;
out.s = th_mask_decode(eval.s, eval.len,
&th_uparam_prefix, 0, &out.len);
if(out.s==NULL)
{
LM_ERR("cannot decode r-uri\n");
return -1;
}
LM_DBG("+decoded: %d: [%.*s]\n", out.len, out.len, out.s);
l=del_lump(msg, REQ_LINE(msg).uri.s-msg->buf, REQ_LINE(msg).uri.len, 0);
if (l==0)
{
LM_ERR("failed deleting r-uri\n");
pkg_free(out.s);
return -1;
}
if (insert_new_lump_after(l, out.s, out.len, 0)==0)
{
LM_ERR("could not insert new lump\n");
pkg_free(out.s);
return -1;
}
return 0;
}
int th_unmask_refer_to(sip_msg_t *msg)
{
str eval;
str *uri;
int ulen;
struct lump* l;
str out;
if(!((get_cseq(msg)->method_id)&(METHOD_REFER)))
return 0;
if(parse_refer_to_header(msg)==-1)
{
LM_DBG("no Refer-To header\n");
return 0;
}
if(msg->refer_to==NULL || get_refer_to(msg)==NULL)
{
LM_DBG("Refer-To header not found\n");
return 0;
}
uri = &(get_refer_to(msg)->uri);
if(th_get_uri_param_value(uri, &th_uparam_name, &eval)<0
|| eval.len<=0)
return -1;
out.s = th_mask_decode(eval.s, eval.len,
&th_uparam_prefix, 0, &out.len);
if(out.s==NULL)
{
LM_ERR("cannot decode r-uri\n");
return -1;
}
LM_DBG("+decoded: %d: [%.*s]\n", out.len, out.len, out.s);
for(ulen=0; ulen<uri->len; ulen++)
{
if(uri->s[ulen]=='?')
break;
}
l=del_lump(msg, uri->s-msg->buf, ulen, 0);
if (l==0)
{
LM_ERR("failed deleting r-uri\n");
pkg_free(out.s);
return -1;
}
if (insert_new_lump_after(l, out.s, out.len, 0)==0)
{
LM_ERR("could not insert new lump\n");
pkg_free(out.s);
return -1;
}
return 0;
}
int th_unmask_ruri(sip_msg_t *msg)
{
str eval;
struct lump* l;
str out;
/* Do nothing if ruri is not encoded */
if (th_uri_prefix_checks && ((REQ_LINE(msg).uri.len<th_uri_prefix.len) ||
(strncasecmp(REQ_LINE(msg).uri.s, th_uri_prefix.s,
th_uri_prefix.len)!=0)))
{
LM_DBG("ruri [%.*s] is not encoded",REQ_LINE(msg).uri.len,REQ_LINE(msg).uri.s);
return 0;
}
if(th_get_uri_param_value(&REQ_LINE(msg).uri, &th_uparam_name, &eval)<0
|| eval.len<=0) {
LM_DBG("no uri param [%.*s] in [%.*s]\n",
th_uparam_name.len, th_uparam_name.s,
REQ_LINE(msg).uri.len,REQ_LINE(msg).uri.s);
return -1;
}
out.s = th_mask_decode(eval.s, eval.len,
&th_uparam_prefix, 0, &out.len);
if(out.s==NULL)
{
LM_ERR("cannot decode r-uri [%.*s]\n",
REQ_LINE(msg).uri.len,REQ_LINE(msg).uri.s);
return -1;
}
LM_DBG("+decoded: %d: [%.*s]\n", out.len, out.len, out.s);
l=del_lump(msg, REQ_LINE(msg).uri.s-msg->buf, REQ_LINE(msg).uri.len, 0);
if (l==0)
{
LM_ERR("failed deleting r-uri\n");
pkg_free(out.s);
return -1;
}
if (insert_new_lump_after(l, out.s, out.len, 0)==0)
{
LM_ERR("could not insert new lump\n");
pkg_free(out.s);
return -1;
}
return 0;
}
int th_unmask_route(sip_msg_t *msg)
{
hdr_field_t *hdr;
struct lump* l;
int i;
rr_t *rr;
str out;
str eval;
if(msg->route==NULL)
{
LM_DBG("no record route header\n");
return 0;
}
hdr = msg->route;
i = 0;
while(hdr!=NULL)
{
if (parse_rr(hdr) < 0)
{
LM_ERR("failed to parse RR\n");
return -1;
}
rr =(rr_t*)hdr->parsed;
while(rr)
{
i++;
if(i!=1)
{
if(th_get_uri_param_value(&rr->nameaddr.uri, &th_uparam_name,
&eval)<0 || eval.len<=0)
return -1;
out.s = th_mask_decode(eval.s, eval.len,
&th_uparam_prefix, 0, &out.len);
if(out.s==NULL)
{
LM_ERR("cannot decode R %d\n", i);
return -1;
}
l=del_lump(msg, rr->nameaddr.uri.s-msg->buf,
rr->nameaddr.uri.len, 0);
if (l==0)
{
LM_ERR("failed deleting R [%d]\n", i);
pkg_free(out.s);
return -1;
}
if (insert_new_lump_after(l, out.s, out.len, 0)==0){
LM_ERR("could not insert new lump\n");
pkg_free(out.s);
return -1;
}
}
rr = rr->next;
}
hdr = next_sibling_hdr(hdr);
}
return 0;
}
