Module: sip-router
Branch: master
Commit: 181c30705b3cb82245463015d98644c278131af2
URL:    
http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=181c30705b3cb82245463015d98644c278131af2

Author: Daniel-Constantin Mierla <[email protected]>
Committer: Daniel-Constantin Mierla <[email protected]>
Date:   Sun Sep 28 21:44:35 2014 +0200

tm: beter detection of brackets in From/To values in UAC print functions

- commit fb0cd1cd6a891ab5dc5f559bb6740ba62ac3daf4 fixed the case of
  avoiding double <> when dispaly name was present, but affected when
  header parameters were given
- reported by Juha Heinanen

---

 modules/tm/t_msgbuilder.c |   44 +++++++++++++++++++++++++++++++++-----------
 1 files changed, 33 insertions(+), 11 deletions(-)

diff --git a/modules/tm/t_msgbuilder.c b/modules/tm/t_msgbuilder.c
index a1890c8..fae0cdf 100644
--- a/modules/tm/t_msgbuilder.c
+++ b/modules/tm/t_msgbuilder.c
@@ -1393,16 +1393,16 @@ static inline char* print_request_uri(char* w, str* 
method, dlg_t* dialog, struc
 /*
  * Print To header field
  */
-static inline char* print_to(char* w, dlg_t* dialog, struct cell* t)
+static inline char* print_to(char* w, dlg_t* dialog, struct cell* t, int 
bracket)
 {
        t->to.s = w;
        t->to.len = TO_LEN + dialog->rem_uri.len + CRLF_LEN
                + (((dialog->rem_uri.s[dialog->rem_uri.len - 1]!='>'))?2:0);
 
        memapp(w, TO, TO_LEN);
-       if(dialog->rem_uri.s[dialog->rem_uri.len - 1]!='>') memapp(w, "<", 1);
+       if(bracket) memapp(w, "<", 1);
        memapp(w, dialog->rem_uri.s, dialog->rem_uri.len);
-       if(dialog->rem_uri.s[dialog->rem_uri.len - 1]!='>') memapp(w, ">", 1);
+       if(bracket) memapp(w, ">", 1);
 
        if (dialog->id.rem_tag.len) {
                t->to.len += TOTAG_LEN + dialog->id.rem_tag.len ;
@@ -1418,16 +1418,16 @@ static inline char* print_to(char* w, dlg_t* dialog, 
struct cell* t)
 /*
  * Print From header field
  */
-static inline char* print_from(char* w, dlg_t* dialog, struct cell* t)
+static inline char* print_from(char* w, dlg_t* dialog, struct cell* t, int 
bracket)
 {
        t->from.s = w;
        t->from.len = FROM_LEN + dialog->loc_uri.len + CRLF_LEN
                + ((dialog->loc_uri.s[dialog->loc_uri.len - 1]!='>')?2:0);
 
        memapp(w, FROM, FROM_LEN);
-       if(dialog->loc_uri.s[dialog->loc_uri.len - 1]!='>') memapp(w, "<", 1);
+       if(bracket) memapp(w, "<", 1);
        memapp(w, dialog->loc_uri.s, dialog->loc_uri.len);
-       if(dialog->loc_uri.s[dialog->loc_uri.len - 1]!='>') memapp(w, ">", 1);
+       if(bracket) memapp(w, ">", 1);
 
        if (dialog->id.loc_tag.len) {
                t->from.len += FROMTAG_LEN + dialog->id.loc_tag.len;
@@ -1514,9 +1514,10 @@ char * _strnstr(const char* s, const char* find, size_t 
slen) {
 char* build_uac_req(str* method, str* headers, str* body, dlg_t* dialog, int 
branch, 
                        struct cell *t, int* len, struct dest_info* dst)
 {
-       char* buf, *w;
+       char* buf, *w, *p;
        str content_length, cseq, via;
        unsigned int maxfwd_len;
+       int tbracket, fbracket;
 
        if (!method || !dialog) {
                LOG(L_ERR, "build_uac_req(): Invalid parameter value\n");
@@ -1546,12 +1547,33 @@ char* build_uac_req(str* method, str* headers, str* 
body, dlg_t* dialog, int bra
        }
        *len += via.len;
 
+       if((p=q_memrchr(dialog->rem_uri.s, '>', dialog->rem_uri.len))!=NULL) {
+               if((p==dialog->rem_uri.s + dialog->rem_uri.len - 1)
+                               || *(p+1)==';') {
+                       tbracket = 0;
+               } else {
+                       tbracket = 1;
+               }
+       } else {
+               tbracket = 1;
+       }
+       if((p=q_memrchr(dialog->loc_uri.s, '>', dialog->loc_uri.len))!=NULL) {
+               if((p==dialog->loc_uri.s + dialog->loc_uri.len - 1)
+                               || *(p+1)==';') {
+                       fbracket = 0;
+               } else {
+                       fbracket = 1;
+               }
+       } else {
+               fbracket = 1;
+       }
+
        *len += TO_LEN + dialog->rem_uri.len
                + (dialog->id.rem_tag.len ? (TOTAG_LEN + 
dialog->id.rem_tag.len) : 0) + CRLF_LEN;    /* To */
-       if(dialog->rem_uri.s[dialog->rem_uri.len - 1]!='>') *len += 2; /* 
To-URI < > */
+       if(tbracket) *len += 2; /* To-URI < > */
        *len += FROM_LEN + dialog->loc_uri.len
                + (dialog->id.loc_tag.len ? (FROMTAG_LEN + 
dialog->id.loc_tag.len) : 0) + CRLF_LEN;  /* From */
-       if(dialog->loc_uri.s[dialog->loc_uri.len - 1]!='>') *len += 2; /* 
From-URI < > */
+       if(fbracket) *len += 2; /* From-URI < > */
        *len += CALLID_LEN + dialog->id.call_id.len + CRLF_LEN;                 
                     /* Call-ID */
        *len += CSEQ_LEN + cseq.len + 1 + method->len + CRLF_LEN;               
                     /* CSeq */
        *len += calculate_routeset_length(dialog);                              
                     /* Route set */
@@ -1573,8 +1595,8 @@ char* build_uac_req(str* method, str* headers, str* body, 
dlg_t* dialog, int bra
 
        w = print_request_uri(w, method, dialog, t, branch);  /* Request-URI */
        memapp(w, via.s, via.len);                            /* Top-most Via */
-       w = print_to(w, dialog, t);                           /* To */
-       w = print_from(w, dialog, t);                         /* From */
+       w = print_to(w, dialog, t, tbracket);                 /* To */
+       w = print_from(w, dialog, t, fbracket);               /* From */
        w = print_cseq(w, &cseq, method, t);                  /* CSeq */
        w = print_callid(w, dialog, t);                       /* Call-ID */
        w = print_routeset(w, dialog);                        /* Route set */


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