contrib/sendmail-8.14/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 #include <sm/gen.h>
  11 SM_RCSID("@(#)$Id: strexit.c,v 1.5 2001/09/11 04:04:49 gshapiro Exp $")
  12 #include <sm/string.h>
  13 #include <sm/sysexits.h>
  14
  15 /*
  16 **  SM_STREXIT -- convert EX_* value from <sm/sysexits.h> to a character string
  17 **
  18 **      This function is analogous to strerror(), except that it
  19 **      operates on EX_* values from <sm/sysexits.h>.
  20 **
  21 **      Parameters:
  22 **              ex -- EX_* value
  23 **
  24 **      Results:
  25 **              pointer to a static message string
  26 */
  27
  28 char *
  29 sm_strexit(ex)
  30         int ex;
  31 {
  32         char *msg;
  33         static char buf[64];
  34
  35         msg = sm_sysexitmsg(ex);
  36         if (msg == NULL)
  37         {
  38                 (void) sm_snprintf(buf, sizeof buf, "Unknown exit status %d",
  39                                    ex);
  40                 msg = buf;
  41         }
  42         return msg;
  43 }
  44
  45 /*
  46 **  SM_SYSEXITMSG -- convert an EX_* value to a character string, or NULL
  47 **
  48 **      Parameters:
  49 **              ex -- EX_* value
  50 **
  51 **      Results:
  52 **              If ex is a known exit value, then a pointer to a static
  53 **              message string is returned.  Otherwise NULL is returned.
  54 */
  55
  56 char *
  57 sm_sysexitmsg(ex)
  58         int ex;
  59 {
  60         char *msg;
  61
  62         msg = sm_sysexmsg(ex);
  63         if (msg != NULL)
  64                 return &msg[11];
  65         else
  66                 return msg;
  67 }
  68
  69 /*
  70 **  SM_SYSEXMSG -- convert an EX_* value to a character string, or NULL
  71 **
  72 **      Parameters:
  73 **              ex -- EX_* value
  74 **
  75 **      Results:
  76 **              If ex is a known exit value, then a pointer to a static
  77 **              string is returned.  Otherwise NULL is returned.
  78 **              The string contains the following fixed width fields:
  79 **               [0]    ':' if there is an errno value associated with this
  80 **                      exit value, otherwise ' '.
  81 **               [1,3]  3 digit SMTP error code
  82 **               [4]    ' '
  83 **               [5,9]  3 digit SMTP extended error code
  84 **               [10]   ' '
  85 **               [11,]  message string
  86 */
  87
  88 char *
  89 sm_sysexmsg(ex)
  90         int ex;
  91 {
  92         switch (ex)
  93         {
  94           case EX_USAGE:
  95                 return " 500 5.0.0 Command line usage error";
  96           case EX_DATAERR:
  97                 return " 501 5.6.0 Data format error";
  98           case EX_NOINPUT:
  99                 return ":550 5.3.0 Cannot open input";
 100           case EX_NOUSER:
 101                 return " 550 5.1.1 User unknown";
 102           case EX_NOHOST:
 103                 return " 550 5.1.2 Host unknown";
 104           case EX_UNAVAILABLE:
 105                 return " 554 5.0.0 Service unavailable";
 106           case EX_SOFTWARE:
 107                 return ":554 5.3.0 Internal error";
 108           case EX_OSERR:
 109                 return ":451 4.0.0 Operating system error";
 110           case EX_OSFILE:
 111                 return ":554 5.3.5 System file missing";
 112           case EX_CANTCREAT:
 113                 return ":550 5.0.0 Can't create output";
 114           case EX_IOERR:
 115                 return ":451 4.0.0 I/O error";
 116           case EX_TEMPFAIL:
 117                 return " 450 4.0.0 Deferred";
 118           case EX_PROTOCOL:
 119                 return " 554 5.5.0 Remote protocol error";
 120           case EX_NOPERM:
 121                 return ":550 5.0.0 Insufficient permission";
 122           case EX_CONFIG:
 123                 return " 554 5.3.5 Local configuration error";
 124           default:
 125                 return NULL;
 126         }
 127 }