usr/src/cmd/sendmail/libsm/strexit.c

   1 /*
   2  * Copyright (c) 2001 Sendmail, Inc. and its suppliers.
   3  *      All rights reserved.
   4  *
   5  * By using this file, you agree to the terms and conditions set
   6  * forth in the LICENSE file which can be found at the top level of
   7  * the sendmail distribution.
   8  */
   9
  10 #pragma ident   "%Z%%M% %I%     %E% SMI"
  11
  12 #include <sm/gen.h>
  13 SM_RCSID("@(#)$Id: strexit.c,v 1.3 2001/01/15 18:39:11 ca Exp $")
  14 #include <sm/string.h>
  15 #include <sm/sysexits.h>
  16
  17 /*
  18 **  SM_STREXIT -- convert EX_* value from <sm/sysexits.h> to a character string
  19 **
  20 **      This function is analogous to strerror(), except that it
  21 **      operates on EX_* values from <sm/sysexits.h>.
  22 **
  23 **      Parameters:
  24 **              ex -- EX_* value
  25 **
  26 **      Results:
  27 **              pointer to a static message string
  28 */
  29
  30 char *
  31 sm_strexit(ex)
  32         int ex;
  33 {
  34         char *msg;
  35         static char buf[64];
  36
  37         msg = sm_sysexitmsg(ex);
  38         if (msg == NULL)
  39         {
  40                 (void) sm_snprintf(buf, sizeof buf, "Unknown exit status %d",
  41                                    ex);
  42                 msg = buf;
  43         }
  44         return msg;
  45 }
  46
  47 /*
  48 **  SM_SYSEXITMSG -- convert an EX_* value to a character string, or NULL
  49 **
  50 **      Parameters:
  51 **              ex -- EX_* value
  52 **
  53 **      Results:
  54 **              If ex is a known exit value, then a pointer to a static
  55 **              message string is returned.  Otherwise NULL is returned.
  56 */
  57
  58 char *
  59 sm_sysexitmsg(ex)
  60         int ex;
  61 {
  62         char *msg;
  63
  64         msg = sm_sysexmsg(ex);
  65         if (msg != NULL)
  66                 return &msg[11];
  67         else
  68                 return msg;
  69 }
  70
  71 /*
  72 **  SM_SYSEXMSG -- convert an EX_* value to a character string, or NULL
  73 **
  74 **      Parameters:
  75 **              ex -- EX_* value
  76 **
  77 **      Results:
  78 **              If ex is a known exit value, then a pointer to a static
  79 **              string is returned.  Otherwise NULL is returned.
  80 **              The string contains the following fixed width fields:
  81 **               [0]    ':' if there is an errno value associated with this
  82 **                      exit value, otherwise ' '.
  83 **               [1,3]  3 digit SMTP error code
  84 **               [4]    ' '
  85 **               [5,9]  3 digit SMTP extended error code
  86 **               [10]   ' '
  87 **               [11,]  message string
  88 */
  89
  90 char *
  91 sm_sysexmsg(ex)
  92         int ex;
  93 {
  94         switch (ex)
  95         {
  96           case EX_USAGE:
  97                 return " 500 5.0.0 Command line usage error";
  98           case EX_DATAERR:
  99                 return " 501 5.6.0 Data format error";
 100           case EX_NOINPUT:
 101                 return ":550 5.3.0 Cannot open input";
 102           case EX_NOUSER:
 103                 return " 550 5.1.1 User unknown";
 104           case EX_NOHOST:
 105                 return " 550 5.1.2 Host unknown";
 106           case EX_UNAVAILABLE:
 107                 return " 554 5.0.0 Service unavailable";
 108           case EX_SOFTWARE:
 109                 return ":554 5.3.0 Internal error";
 110           case EX_OSERR:
 111                 return ":451 4.0.0 Operating system error";
 112           case EX_OSFILE:
 113                 return ":554 5.3.5 System file missing";
 114           case EX_CANTCREAT:
 115                 return ":550 5.0.0 Can't create output";
 116           case EX_IOERR:
 117                 return ":451 4.0.0 I/O error";
 118           case EX_TEMPFAIL:
 119                 return " 450 4.0.0 Deferred";
 120           case EX_PROTOCOL:
 121                 return " 554 5.5.0 Remote protocol error";
 122           case EX_NOPERM:
 123                 return ":550 5.0.0 Insufficient permission";
 124           case EX_CONFIG:
 125                 return " 554 5.3.5 Local configuration error";
 126           default:
 127                 return NULL;
 128         }
 129 }