[sr-dev] git:master: topoh: update Replaces header

Module: sip-router Branch: master Commit: f03706ce3b8670d052619ac4a38fda4fa35bedfd URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=f03706c… Author: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Committer: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Date: Sun Dec 20 18:44:33 2009 +0100 topoh: update Replaces header - case when call-id is masked --- modules/topoh/th_msg.c | 67 +++++++++++++++++++++++++++++++++++++++++++++ modules/topoh/th_msg.h | 1 + modules/topoh/topoh_mod.c | 1 + 3 files changed, 69 insertions(+), 0 deletions(-) diff --git a/modules/topoh/th_msg.c b/modules/topoh/th_msg.c index 621f175..5304b1e 100644 --- a/modules/topoh/th_msg.c +++ b/modules/topoh/th_msg.c @@ -31,6 +31,7 @@ #include "../../mem/mem.h" #include "../../data_lump.h" #include "../../forward.h" +#include "../../trim.h" #include "../../msg_translator.h" #include "../../parser/parse_rr.h" #include "../../parser/parse_uri.h" @@ -735,6 +736,72 @@ int th_unmask_refer_to(sip_msg_t *msg) return 0; } +int th_update_hdr_replaces(sip_msg_t *msg) +{ + struct hdr_field *hf = NULL; + str replaces; + str rcallid; + struct lump* l; + str out; + + LM_DBG("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n"); + if(th_param_mask_callid==0) + return 0; + + if(!((get_cseq(msg)->method_id)&(METHOD_INVITE))) + return 0; + + for (hf=msg->headers; hf; hf=hf->next) + { + if (hf->name.len==8 && strncasecmp(hf->name.s, "Replaces", 8)==0) + break; + } + + if(hf==NULL) + return 0; + + replaces = hf->body; + trim(&replaces); + rcallid.s = replaces.s; + for(rcallid.len=0; rcallid.len<replaces.len; rcallid.len++) + { + if(rcallid.s[rcallid.len]==';') + break; + } + + if(rcallid.len>th_callid_prefix.len + && strncmp(rcallid.s, th_callid_prefix.s, th_callid_prefix.len)==0) + { + /* value encoded - decode it */ + out.s = th_mask_decode(rcallid.s, rcallid.len, + &th_callid_prefix, 0, &out.len); + } else { + /* value decoded - encode it */ + out.s = th_mask_encode(rcallid.s, rcallid.len, + &th_callid_prefix, &out.len); + } + if(out.s==NULL) + { + LM_ERR("cannot update Replaces callid\n"); + return -1; + } + + l=del_lump(msg, rcallid.s-msg->buf, rcallid.len, 0); + if (l==0) + { + LM_ERR("failed deleting Replaces callid\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; +} + char* th_msg_update(sip_msg_t *msg, unsigned int *olen) { struct dest_info dst; diff --git a/modules/topoh/th_msg.h b/modules/topoh/th_msg.h index f965f9d..d74ec65 100644 --- a/modules/topoh/th_msg.h +++ b/modules/topoh/th_msg.h @@ -40,6 +40,7 @@ int th_flip_record_route(sip_msg_t *msg, int mode); int th_unmask_ruri(sip_msg_t *msg); int th_unmask_route(sip_msg_t *msg); int th_unmask_refer_to(sip_msg_t *msg); +int th_update_hdr_replaces(sip_msg_t *msg); char* th_msg_update(sip_msg_t *msg, unsigned int *olen); int th_add_via_cookie(sip_msg_t *msg, struct via_body *via); int th_add_hdr_cookie(sip_msg_t *msg); diff --git a/modules/topoh/topoh_mod.c b/modules/topoh/topoh_mod.c index 8e5dd8b..b3c6cd0 100644 --- a/modules/topoh/topoh_mod.c +++ b/modules/topoh/topoh_mod.c @@ -315,6 +315,7 @@ int th_msg_sent(void *data) } } else { /* initial request */ + th_update_hdr_replaces(&msg); th_mask_callid(&msg); } } else {