Merged revisions 61786 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.2

........
r61786 | russell | 2007-04-24 16:33:59 -0500 (Tue, 24 Apr 2007) | 4 lines

Don't crash if a manager connection provides a username that exists in
manager.conf but does not have a password, and also requests MD5 
authentication. (ASA-2007-012)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@61787 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/manager.c

@@ -926,7 +926,8 @@ static int authenticate(struct mansession *s, const struct message *m)
 				} else if (ha)
 					ast_free_ha(ha);
 				if (!strcasecmp(authtype, "MD5")) {
-					if (!ast_strlen_zero(key) && s->challenge) {
+					if (!ast_strlen_zero(key) && 
+					    !ast_strlen_zero(s->challenge) && !ast_strlen_zero(password)) {
 						int x;
 						int len = 0;
 						char md5key[256] = "";