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

   1 #include "fd.h"
   2 #include "wait.h"
   3 #include "substdio.h"
   4 #include "exit.h"
   5 #include "fork.h"
   6 #include "error.h"
   7 #include "tcpto.h"
   8
   9 void initialize(argc,argv)
  10 int argc;
  11 char **argv;
  12 {
  13  tcpto_clean();
  14 }
  15
  16 int truncreport = 0;
  17
  18 void report(ss,wstat,s,len)
  19 substdio *ss;
  20 int wstat;
  21 char *s;
  22 int len;
  23 {
  24  int j;
  25  int k;
  26  int result;
  27  int orr;
  28
  29  if (wait_crashed(wstat))
  30   { substdio_puts(ss,"Zqmail-remote crashed.\n"); return; }
  31  switch(wait_exitcode(wstat))
  32   {
  33    case 0: break;
  34    case 111: substdio_puts(ss,"ZUnable to run qmail-remote.\n"); return;
  35    default: substdio_puts(ss,"DUnable to run qmail-remote.\n"); return;
  36   }
  37  if (!len)
  38   { substdio_puts(ss,"Zqmail-remote produced no output.\n"); return; }
  39
  40  result = -1;
  41  j = 0;
  42  for (k = 0;k < len;++k)
  43    if (!s[k])
  44     {
  45      if (s[j] == 'K') { result = 1; break; }
  46      if (s[j] == 'Z') { result = 0; break; }
  47      if (s[j] == 'D') break;
  48      j = k + 1;
  49     }
  50
  51  orr = result;
  52  switch(s[0])
  53   {
  54    case 's': orr = 0; break;
  55    case 'h': orr = -1;
  56   }
  57
  58  switch(orr)
  59   {
  60    case 1: substdio_put(ss,"K",1); break;
  61    case 0: substdio_put(ss,"Z",1); break;
  62    case -1: substdio_put(ss,"D",1); break;
  63   }
  64
  65  for (k = 1;k < len;)
  66    if (!s[k++])
  67     {
  68      substdio_puts(ss,s + 1);
  69      if (result <= orr)
  70        if (k < len)
  71          switch(s[k])
  72           {
  73            case 'Z': case 'D': case 'K':
  74              substdio_puts(ss,s + k + 1);
  75           }
  76      break;
  77     }
  78 }
  79
  80 int spawn(fdmess,fdout,s,r,at)
  81 int fdmess; int fdout;
  82 char *s; char *r; int at;
  83 {
  84  int f;
  85  char *(args[5]);
  86
  87  args[0] = "qmail-remote";
  88  args[1] = r + at + 1;
  89  args[2] = s;
  90  args[3] = r;
  91  args[4] = 0;
  92
  93  if (!(f = vfork()))
  94   {
  95    if (fd_move(0,fdmess) == -1) _exit(111);
  96    if (fd_move(1,fdout) == -1) _exit(111);
  97    if (fd_copy(2,1) == -1) _exit(111);
  98    execvp(*args,args);
  99    if (error_temp(errno)) _exit(111);
 100    _exit(100);
 101   }
 102  return f;
 103 }