Module: sip-router Branch: sr_3.0 Commit: 1892af9407bd230455c2e5321d0094ce48bfe285 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=1892af9… Author: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Committer: Andrei Pelinescu-Onciul &lt;andrei(a)iptel.org&gt; Date: Fri Feb 12 11:12:37 2010 +0100 dialog(k): init local parameter - memset tm callback param to 0 - safety checks for MI cmd dlg match - credits to Inaki Baz Castillo and Torben Friese (cherry picked from commit 787fabb1e0085355aa1eeb77d5f17e7940f4ed3c) (cherry picked from commit b3e99c07b69f28d55de89b2adb96468ff71c9764) --- modules_k/dialog/dlg_handlers.c | 34 ++++++++++++++++++++-------------- modules_k/dialog/dlg_hash.h | 2 ++ 2 files changed, 22 insertions(+), 14 deletions(-) diff --git a/modules_k/dialog/dlg_handlers.c b/modules_k/dialog/dlg_handlers.c index 450cc12..1091777 100644 --- a/modules_k/dialog/dlg_handlers.c +++ b/modules_k/dialog/dlg_handlers.c @@ -331,24 +331,29 @@ static void dlg_onreply(struct cell* t, int type, struct tmcb_params *param) old_state!=DLG_STATE_CONFIRMED_NA && old_state!=DLG_STATE_CONFIRMED ) { LM_DBG("dialog %p confirmed\n",dlg); - /* get to tag*/ - if ( !rpl->to && ((parse_headers(rpl, HDR_TO_F,0)<0) || !rpl->to) ) { - LM_ERR("bad reply or missing TO hdr :-/\n"); - tag.s = 0; - tag.len = 0; - } else { - tag = get_to(rpl)->tag_value; - if (tag.s==0 || tag.len==0) { - LM_ERR("missing TAG param in TO hdr :-/\n"); + if (rpl != FAKED_REPLY) { + /* get to tag*/ + if ( !rpl->to && ((parse_headers(rpl, HDR_TO_F,0)<0) + || !rpl->to) ) { + LM_ERR("bad reply or missing TO hdr :-/\n"); tag.s = 0; tag.len = 0; + } else { + tag = get_to(rpl)->tag_value; + if (tag.s==0 || tag.len==0) { + LM_ERR("missing TAG param in TO hdr :-/\n"); + tag.s = 0; + tag.len = 0; + } } - } - /* save callee's tag, cseq, contact and record route*/ - if (populate_leg_info( dlg, rpl, t, DLG_CALLEE_LEG, &tag) !=0) { - LM_ERR("could not add further info to the dialog\n"); - } + /* save callee's tag, cseq, contact and record route*/ + if (populate_leg_info( dlg, rpl, t, DLG_CALLEE_LEG, &tag) !=0) { + LM_ERR("could not add further info to the dialog\n"); + } + } else { + LM_ERR("Faked reply!\n"); + } /* set start time */ dlg->start_ts = (unsigned int)(time(0)); @@ -500,6 +505,7 @@ static void unref_new_dialog(void *dialog) { struct tmcb_params p; + memset(&p, 0, sizeof(struct tmcb_params)); p.param = (void*)&dialog; dlg_onreply(0, TMCB_DESTROY, &p); } diff --git a/modules_k/dialog/dlg_hash.h b/modules_k/dialog/dlg_hash.h index bd1de87..889a318 100644 --- a/modules_k/dialog/dlg_hash.h +++ b/modules_k/dialog/dlg_hash.h @@ -426,6 +426,8 @@ static inline int match_dialog(struct dlg_cell *dlg, str *callid, */ static inline int match_downstream_dialog(struct dlg_cell *dlg, str *callid, str *ftag) { + if(dlg==NULL || callid==NULL || ftag==NULL) + return 0; if (dlg->callid.len!=callid->len || dlg->tag[DLG_CALLER_LEG].len!=ftag->len || strncmp(dlg->callid.s,callid->s,callid->len)!=0 ||