Merged revisions 100629 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

........
r100629 | russell | 2008-01-28 12:34:20 -0600 (Mon, 28 Jan 2008) | 5 lines

For some reason, the use of this strdupa() is leading to memory corruption on
freebsd sparc64.  This trivial workaround fixes it.

(closes issue #10300, closes issue #11857, reported by mattias04 and Home-of-the-Brave)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@100630 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -9445,9 +9445,10 @@ static int set_address_from_contact(struct sip_pvt *pvt)
 	struct ast_hostent ahp;
 	int port;
 	char *host, *pt;
+	char contact_buf[256];
+	char contact2_buf[256];
 	char *contact, *contact2;
-
 	if (ast_test_flag(&pvt->flags[0], SIP_NAT_ROUTE)) {
 		/* NAT: Don't trust the contact field.  Just use what they came to us
 		   with. */
@@ -9455,10 +9456,12 @@ static int set_address_from_contact(struct sip_pvt *pvt)
 		return 0;
 	}
-
 	/* Work on a copy */
-	contact = ast_strdupa(pvt->fullcontact);
-	contact2 = ast_strdupa(pvt->fullcontact);
+	ast_copy_string(contact_buf, pvt->fullcontact, sizeof(contact_buf));
+	ast_copy_string(contact2_buf, pvt->fullcontact, sizeof(contact2_buf));
+	contact = contact_buf;
+	contact2 = contact2_buf;
+
 	/* We have only the part in <brackets> here so we just need to parse a SIP URI.*/
 	if (pvt->socket.type == SIP_TRANSPORT_TLS) {