izo/qmail-remote-auth.patch at master · izo3/izo · GitHub

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--- qmail-remote.c.orig	Mon Jun 15 03:52:55 1998
+++ qmail-remote.c	Sat Nov 20 21:37:47 2004
@@ -43,6 +43,8 @@
 struct constmap maproutes;
 stralloc host = {0};
 stralloc sender = {0};
+stralloc auth_smtp_user = {0};
+stralloc auth_smtp_pass = {0};

 saa reciplist = {0};

@@ -221,19 +223,55 @@
   unsigned long code;
   int flagbother;
   int i;
+  stralloc slop = {0};

   if (smtpcode() != 220) quit("ZConnected to "," but greeting failed");
-
-  substdio_puts(&smtpto,"HELO ");
+
+  substdio_puts(&smtpto,"EHLO ");
   substdio_put(&smtpto,helohost.s,helohost.len);
   substdio_puts(&smtpto,"\r\n");
   substdio_flush(&smtpto);
-  if (smtpcode() != 250) quit("ZConnected to "," but my name was rejected");
-
-  substdio_puts(&smtpto,"MAIL FROM:<");
-  substdio_put(&smtpto,sender.s,sender.len);
-  substdio_puts(&smtpto,">\r\n");
-  substdio_flush(&smtpto);
+  if (smtpcode() != 250) {
+    substdio_puts(&smtpto,"HELO ");
+    substdio_put(&smtpto,helohost.s,helohost.len);
+    substdio_puts(&smtpto,"\r\n");
+    substdio_flush(&smtpto);
+    if (smtpcode() != 250) quit("ZConnected to "," but my name was rejected");
+  }
+  i = 0;
+  while((i += str_chr(smtptext.s+i,'\n') + 1) && (i+14 < smtptext.len) &&
+        str_diffn(smtptext.s+i+4,"AUTH LOGIN\n",11) &&
+        str_diffn(smtptext.s+i+4,"AUTH LOGIN ",11) &&
+        str_diffn(smtptext.s+i+4,"AUTH PLAIN LOGIN\n",17) &&
+        str_diffn(smtptext.s+i+4,"AUTH PLAIN LOGIN ",17) &&
+        str_diffn(smtptext.s+i+4,"AUTH=LOGIN\n",11) &&
+        str_diffn(smtptext.s+i+4,"AUTH=LOGIN ",11));
+  if ((i+14 < smtptext.len) && auth_smtp_user.len && auth_smtp_pass.len)  {
+    substdio_puts(&smtpto,"AUTH LOGIN\r\n");
+    substdio_flush(&smtpto);
+    if (smtpcode() != 334) quit("ZConnected to "," but authentication was rejected (AUTH LOGIN)");
+    if (b64encode(&auth_smtp_user,&slop) < 0) temp_nomem();
+    substdio_put(&smtpto,slop.s,slop.len);
+    substdio_puts(&smtpto,"\r\n");
+    substdio_flush(&smtpto);
+    if (smtpcode() != 334) quit("ZConnected to "," but authentication was rejected (username)");
+    if (b64encode(&auth_smtp_pass,&slop) < 0) temp_nomem();
+    substdio_put(&smtpto,slop.s,slop.len);
+    substdio_puts(&smtpto,"\r\n");
+    substdio_flush(&smtpto);
+    if (smtpcode() != 235) quit("ZConnected to "," but authentication was rejected (password)");
+    substdio_puts(&smtpto,"MAIL FROM:<");
+    substdio_put(&smtpto,sender.s,sender.len);
+    substdio_puts(&smtpto,"> AUTH=<");
+    substdio_put(&smtpto,sender.s,sender.len);
+    substdio_puts(&smtpto,">\r\n");
+    substdio_flush(&smtpto);
+  } else {
+    substdio_puts(&smtpto,"MAIL FROM:<");
+    substdio_put(&smtpto,sender.s,sender.len);
+    substdio_puts(&smtpto,">\r\n");
+    substdio_flush(&smtpto);
+  }
   code = smtpcode();
   if (code >= 500) quit("DConnected to "," but sender was rejected");
   if (code >= 400) quit("ZConnected to "," but sender was rejected");
@@ -331,7 +367,7 @@
 char **argv;
 {
   static ipalloc ip = {0};
-  int i;
+  int i,j;
   unsigned long random;
   char **recips;
   unsigned long prefme;
@@ -347,6 +383,9 @@

   if (!stralloc_copys(&host,argv[1])) temp_nomem();

+  if (!stralloc_copys(&auth_smtp_user,"")) temp_nomem();
+  if (!stralloc_copys(&auth_smtp_pass,"")) temp_nomem();
+
   relayhost = 0;
   for (i = 0;i <= host.len;++i)
     if ((i == 0) || (i == host.len) || (host.s[i] == '.'))
@@ -355,6 +394,16 @@
   if (relayhost && !*relayhost) relayhost = 0;

   if (relayhost) {
+    i = str_chr(relayhost,' ');
+    if (relayhost[i]) {
+      j = str_chr(relayhost + i + 1,' ');
+      if (relayhost[j]) {
+	relayhost[i] = 0;
+	relayhost[i + j + 1] = 0;
+	if (!stralloc_copys(&auth_smtp_user,relayhost + i + 1)) temp_nomem();
+	if (!stralloc_copys(&auth_smtp_pass,relayhost + i + j + 2)) temp_nomem();
+      }
+    }
     i = str_chr(relayhost,':');
     if (relayhost[i]) {
       scan_ulong(relayhost + i + 1,&port);
--- Makefile~	Thu Apr 17 02:55:05 2003
+++ Makefile	Thu Apr 17 03:02:06 2003
@@ -1445,12 +1445,12 @@
 load qmail-remote.o control.o constmap.o timeoutread.o timeoutwrite.o \
 timeoutconn.o tcpto.o now.o dns.o ip.o ipalloc.o ipme.o quote.o \
 ndelay.a case.a sig.a open.a lock.a seek.a getln.a stralloc.a alloc.a \
-substdio.a error.a str.a fs.a auto_qmail.o dns.lib socket.lib
+substdio.a error.a str.a fs.a auto_qmail.o base64.o dns.lib socket.lib
 	./load qmail-remote control.o constmap.o timeoutread.o \
 	timeoutwrite.o timeoutconn.o tcpto.o now.o dns.o ip.o \
 	ipalloc.o ipme.o quote.o ndelay.a case.a sig.a open.a \
 	lock.a seek.a getln.a stralloc.a alloc.a substdio.a error.a \
-	str.a fs.a auto_qmail.o  `cat dns.lib` `cat socket.lib`
+	str.a fs.a auto_qmail.o base64.o  `cat dns.lib` `cat socket.lib`

 qmail-remote.0: \
 qmail-remote.8