Handle URL encoded stuff in pedantic checking

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@3303 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index cf7462a82596b732d46333a99fffbb71279c48c8..d66ffd1d780c8aead712b29780de69cb29fb2dbe 100755 (executable)
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -866,6 +866,30 @@ static int send_request(struct sip_pvt *p, struct sip_request *req, int reliable
        return res;
 }
 
+static void url_decode(char *s) 
+{
+       char *o = s;
+       unsigned int tmp;
+       while(*s) {
+               switch(*s) {
+               case '%':
+                       if (strlen(s) > 2) {
+                               if (sscanf(s + 1, "%2x", &tmp) == 1) {
+                                       *o = tmp;
+                                       s += 2; /* Will be incremented once more when we break out */
+                                       break;
+                               }
+                       }
+                       /* Fall through if something wasn't right with the formatting */
+               default:
+                       *o = *s;
+               }
+               s++;
+               o++;
+       }
+       *o = '\0';
+}
+
 /*--- ditch_braces: Pick out text in braces from character string  ---*/
 static char *ditch_braces(char *tmp)
 {
@@ -1600,8 +1624,8 @@ static int hangup_sip2cause(int cause)
        switch(cause) {
                case 404:       /* Not found */
                        return AST_CAUSE_UNALLOCATED;
-                case 483:       /* Too many hops */
-                        return AST_CAUSE_FAILURE;
+               case 483:       /* Too many hops */
+                       return AST_CAUSE_FAILURE;
                case 486:
                        return AST_CAUSE_BUSY;
                default:
@@ -4656,6 +4680,8 @@ static int get_destination(struct sip_pvt *p, struct sip_request *oreq)
                } else
                        strncpy(p->fromdomain, fr, sizeof(p->fromdomain) - 1);
        }
+       if (pedanticsipchecking)
+               url_decode(c);
        if (sip_debug_test_pvt(p))
                ast_verbose("Looking for %s in %s\n", c, p->context);
        if (ast_exists_extension(NULL, p->context, c, 1, fr) ||