mdw@git.distorted.org.uk Git - qmail/blob - received.c

   1 #include "fmt.h"
   2 #include "qmail.h"
   3 #include "now.h"
   4 #include "datetime.h"
   5 #include "date822fmt.h"
   6 #include "received.h"
   7
   8 static int issafe(ch) char ch;
   9 {
  10   if (ch == '.') return 1;
  11   if (ch == '@') return 1;
  12   if (ch == '%') return 1;
  13   if (ch == '+') return 1;
  14   if (ch == '/') return 1;
  15   if (ch == '=') return 1;
  16   if (ch == ':') return 1;
  17   if (ch == '-') return 1;
  18   if ((ch >= 'a') && (ch <= 'z')) return 1;
  19   if ((ch >= 'A') && (ch <= 'Z')) return 1;
  20   if ((ch >= '0') && (ch <= '9')) return 1;
  21   return 0;
  22 }
  23
  24 void safeput(qqt,s)
  25 struct qmail *qqt;
  26 char *s;
  27 {
  28   char ch;
  29   while (ch = *s++) {
  30     if (!issafe(ch)) ch = '?';
  31     qmail_put(qqt,&ch,1);
  32   }
  33 }
  34
  35 static char buf[DATE822FMT];
  36
  37 /* "Received: from relay1.uu.net (HELO uunet.uu.net) (7@192.48.96.5)\n" */
  38 /* "  by silverton.berkeley.edu with SMTP; 26 Sep 1995 04:46:54 -0000\n" */
  39
  40 void received(qqt,protocol,local,remoteip,remotehost,remoteinfo,helo)
  41 struct qmail *qqt;
  42 char *protocol;
  43 char *local;
  44 char *remoteip;
  45 char *remotehost;
  46 char *remoteinfo;
  47 char *helo;
  48 {
  49   struct datetime dt;
  50
  51   qmail_puts(qqt,"Received: from ");
  52   safeput(qqt,remotehost);
  53   if (helo) {
  54     qmail_puts(qqt," (HELO ");
  55     safeput(qqt,helo);
  56     qmail_puts(qqt,")");
  57   }
  58   qmail_puts(qqt," (");
  59   if (remoteinfo) {
  60     safeput(qqt,remoteinfo);
  61     qmail_puts(qqt,"@");
  62   }
  63   safeput(qqt,remoteip);
  64   qmail_puts(qqt,")\n  by ");
  65   safeput(qqt,local);
  66   qmail_puts(qqt," with ");
  67   qmail_puts(qqt,protocol);
  68   qmail_puts(qqt,"; ");
  69   datetime_tai(&dt,now());
  70   qmail_put(qqt,buf,date822fmt(buf,&dt));
  71 }