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

   1 #include "sgetopt.h"
   2 #include "substdio.h"
   3 #include "subfd.h"
   4 #include "alloc.h"
   5 #include "auto_qmail.h"
   6 #include "exit.h"
   7 #include "env.h"
   8 #include "str.h"
   9
  10 void nomem()
  11 {
  12   substdio_putsflush(subfderr,"sendmail: fatal: out of memory\n");
  13   _exit(111);
  14 }
  15
  16 void die_usage()
  17 {
  18   substdio_putsflush(subfderr,"sendmail: usage: sendmail [ -t ] [ -fsender ] [ -Fname ] [ -bp ] [ -bs ] [ arg ... ]\n");
  19   _exit(100);
  20 }
  21
  22 char *smtpdarg[] = { "/usr/sbin/qmail-smtpd", 0 };
  23 void smtpd()
  24 {
  25   if (!env_get("PROTO")) {
  26     if (!env_put("RELAYCLIENT=")) nomem();
  27     if (!env_put("DATABYTES=0")) nomem();
  28     if (!env_put("PROTO=TCP")) nomem();
  29     if (!env_put("TCPLOCALIP=127.0.0.1")) nomem();
  30     if (!env_put("TCPLOCALHOST=localhost")) nomem();
  31     if (!env_put("TCPREMOTEIP=127.0.0.1")) nomem();
  32     if (!env_put("TCPREMOTEHOST=localhost")) nomem();
  33     if (!env_put("TCPREMOTEINFO=sendmail-bs")) nomem();
  34   }
  35   execv(*smtpdarg,smtpdarg);
  36   substdio_putsflush(subfderr,"sendmail: fatal: unable to run qmail-smtpd\n");
  37   _exit(111);
  38 }
  39
  40 char *qreadarg[] = { "/usr/sbin/qmail-qread", 0 };
  41 void mailq()
  42 {
  43   execv(*qreadarg,qreadarg);
  44   substdio_putsflush(subfderr,"sendmail: fatal: unable to run qmail-qread\n");
  45   _exit(111);
  46 }
  47
  48 int flagh;
  49 char *sender;
  50
  51 void main(argc,argv)
  52 int argc;
  53 char **argv;
  54 {
  55   int opt;
  56   char **qiargv;
  57   char **arg;
  58   int i;
  59
  60   if (chdir(auto_qmail) == -1) {
  61     substdio_putsflush(subfderr,"sendmail: fatal: unable to switch to qmail home directory\n");
  62     _exit(111);
  63   }
  64
  65   flagh = 0;
  66   sender = 0;
  67   while ((opt = getopt(argc,argv,"vimte:f:p:o:B:F:EJxb:")) != opteof)
  68     switch(opt) {
  69       case 'B': break;
  70       case 't': flagh = 1; break;
  71       case 'f': sender = optarg; break;
  72       case 'F': if (!env_put2("MAILNAME",optarg)) nomem(); break;
  73       case 'p': break; /* could generate a Received line from optarg */
  74       case 'v': break;
  75       case 'i': break; /* what an absurd concept */
  76       case 'x': break; /* SVR4 stupidity */
  77       case 'm': break; /* twisted-paper-path blindness, incompetent design */
  78       case 'e': break; /* qmail has only one error mode */
  79       case 'o':
  80         switch(optarg[0]) {
  81           case 'd': break; /* qmail has only one delivery mode */
  82           case 'e': break; /* see 'e' above */
  83           case 'i': break; /* see 'i' above */
  84           case 'm': break; /* see 'm' above */
  85         }
  86         break;
  87       case 'E': case 'J': /* Sony NEWS-OS */
  88         while (argv[optind][optpos]) ++optpos; /* skip optional argument */
  89         break;
  90       case 'b':
  91         switch(optarg[0]) {
  92           case 'm': break;
  93           case 'p': mailq();
  94           case 's': smtpd();
  95           default: die_usage();
  96         }
  97         break;
  98       default:
  99         die_usage();
 100     }
 101   argc -= optind;
 102   argv += optind;
 103
 104   if (str_equal(optprogname,"mailq"))
 105     mailq();
 106
 107   if (str_equal(optprogname,"newaliases")) {
 108     substdio_putsflush(subfderr,"sendmail: fatal: please use fastforward/newaliases instead\n");
 109     _exit(100);
 110   }
 111
 112   qiargv = (char **) alloc((argc + 10) * sizeof(char *));
 113   if (!qiargv) nomem();
 114
 115   arg = qiargv;
 116   *arg++ = "/usr/sbin/qmail-inject";
 117   *arg++ = (flagh ? "-H" : "-a");
 118   if (sender) {
 119     *arg++ = "-f";
 120     *arg++ = sender;
 121   }
 122   *arg++ = "--";
 123   for (i = 0;i < argc;++i) *arg++ = argv[i];
 124   *arg = 0;
 125
 126   execv(*qiargv,qiargv);
 127   substdio_putsflush(subfderr,"sendmail: fatal: unable to run qmail-inject\n");
 128   _exit(111);
 129 }