From eb342191804df42d294e1579a880c58dd213d66d Mon Sep 17 00:00:00 2001
From: John Denker <jsd@av8n.com>
Date: Fri, 20 Jul 2012 16:15:13 -0700
Subject: fix up error parsing and error logging

---
 tools/greylist.c | 37 ++++++++++++++++++++++++++-----------
 1 file changed, 26 insertions(+), 11 deletions(-)

(limited to 'tools/greylist.c')

diff --git a/tools/greylist.c b/tools/greylist.c
index 00272d8..d1ff1a4 100644
--- a/tools/greylist.c
+++ b/tools/greylist.c
@@ -51,7 +51,6 @@ void dump(const string var){
 }
 
 
-
 ////////////////
 // little utility to help with argument parsing:
 //
@@ -145,10 +144,13 @@ void scan(const string p, const int copies=1){
         int ac_age = now.tv_sec - mystat.st_atime;
         cout << setw(10) << time_out(mod_age)
                 << " " << setw(10) << time_out(ac_age);
-        if (mod_age < 0) {
+        if (0) {
+
+        } else if (mod_age < 0) {
           cout << " penalty";
-        }
-        else if (mod_age - ac_age < minimum_age    // early bird, or completely unused
+        } else if (mod_age < ac_age) {
+          cout << " parole";
+        } else if (mod_age - ac_age < minimum_age    // early bird, or completely unused
           && mod_age > probation) {           // did not diligently resubmit
           cout << " disprobation";
           if (mod_age != ac_age) cout << "!";
@@ -182,7 +184,7 @@ void whatsit::update(const string msg, const timeval new_mod,
   timeval pen_mod(new_mod);
   if (penalty) {
     pen_mod = now;
-    pen_mod.tv_sec += penalty;    
+    pen_mod.tv_sec += penalty;
   }
   timeval upd[2] = {
 // beware:  access illogically comes *before* modification here:
@@ -193,6 +195,8 @@ void whatsit::update(const string msg, const timeval new_mod,
 }
 
 int main(int _argc, char** _argv){
+  progname = *_argv;
+  mypid = getpid();
   int argc(_argc);
   char** argv(_argv);
   const string dirname("/var/qmail/greylist");
@@ -206,7 +210,8 @@ int main(int _argc, char** _argv){
       scanmode++;
     } else if (prefix(arg, "-copy"))  {
       copies++;
-    } else if (prefix(arg, "-penalize"))  {
+    } else if (prefix(arg, "-penalize")
+        || prefix(arg, "-penalty"))  {
       if (!argc){
         cerr << "Option '" << arg << "' requires an argument" << endl;
         exeunt(ex_syserr);
@@ -228,18 +233,24 @@ int main(int _argc, char** _argv){
 int whatsit::doit(const int penalty){
   char* ipvar = getenv("TCPREMOTEIP");
   if (!ipvar) {
-    cerr << progname << ": TCPREMOTEIP not set???" << endl;
+    cerr << progname
+      << "[" << mypid << "] "
+      << " TCPREMOTEIP not set???" << endl;
+    // should never happen
+    // although you can make it happen using a weird test-harness
     exeunt(ex_syserr);
   }
   ipbase = ipvar;
   char* hostvar = getenv("TCPREMOTEHOST");
   if (!hostvar) {
-    cerr << progname 
-     << ": from " << ipbase
-     << " ... TCPREMOTEHOST not set???" << endl;
+    cerr << progname
+      << "[" << mypid << "] "
+      << " from " << ipbase
+      << " ... TCPREMOTEHOST not set???" << endl;
     exeunt(ex_spam);
+  } else {
+    hostname = hostvar;
   }
-  hostname = hostvar;
 
 // see if our directory exists:
   struct stat dirstat;
@@ -289,6 +300,10 @@ int whatsit::doit(const int penalty){
     update("penalty box", mod_orig, now, penalty);
     exeunt(ex_spam);
   }
+  if (mod_age < ac_age){
+    update("paroled spammer", now, now, penalty);
+    exeunt(ex_greylisting);
+  }
   if (mod_age < minimum_age) {
     update("early bird", mod_orig, now, penalty);
     exeunt(ex_greylisting);
-- 
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