Update of /cvsroot/mahogany/M/src/modules
In directory usw-pr-cvs1:/tmp/cvs-serv31863/src/modules
Modified Files:
Filters.cpp
Log Message:
check for a case when X-Authentification-Warning is benign
Index: Filters.cpp
===================================================================
RCS file: /cvsroot/mahogany/M/src/modules/Filters.cpp,v
retrieving revision 1.121
retrieving revision 1.122
diff -b -u -2 -r1.121 -r1.122
--- Filters.cpp 1 Jul 2002 11:57:45 -0000 1.121
+++ Filters.cpp 1 Jul 2002 15:03:48 -0000 1.122
@@ -1903,9 +1903,39 @@
{
// check for "^.*Host.+claimed to be.+$" regex manually
- const char *pc = strstr(value, "Host");
+ static const char *HOST_STRING = "Host ";
+ static const char *CLAIMED_STRING = "claimed to be ";
+
+ const char *pc = strstr(value, HOST_STRING);
+ if ( !pc )
+ return false;
+
+ const char *pc2 = strstr(pc + 1, CLAIMED_STRING);
if ( !pc )
return false;
- return strstr(pc + 1, "claimed to be") != NULL;
+ // there seems to be a common mosconfiguration problem with some LANs which
+ // results in values of X-Authentication-Warning header like
+ //
+ // smtpserver.domain.com: Host host.domain.com [ip] claimed to be host
+ //
+ // which are, of course, harmless, i.e. don't mean that this is spam, so we
+ // try to filter them out
+
+ // skip to the hostnames
+ pc += strlen(HOST_STRING);
+ pc2 += strlen(CLAIMED_STRING);
+
+ // check if they're equal
+ while ( *pc != '.' && *pc2 != '\r' )
+ {
+ if ( *pc++ != *pc2++ )
+ {
+ // hosts don't match, so it's a serious warning
+ return true;
+ }
+ }
+
+ // did the host names match?
+ return *pc == '.' && *pc2 == '\r';
}
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