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

   1 /*
   2  * Copyright (c) 2001, 2003 Sendmail, Inc. and its suppliers.
   3  *      All rights reserved.
   4  * Copyright (c) 1983, 1995-1997 Eric P. Allman.  All rights reserved.
   5  * Copyright (c) 1988, 1993
   6  *      The Regents of the University of California.  All rights reserved.
   7  *
   8  * By using this file, you agree to the terms and conditions set
   9  * forth in the LICENSE file which can be found at the top level of
  10  * the sendmail distribution.
  11  */
  12
  13 #pragma ident   "%Z%%M% %I%     %E% SMI"
  14
  15 #include <sm/gen.h>
  16 SM_RCSID("@(#)$Id: errstring.c,v 1.19 2003/12/10 03:53:05 gshapiro Exp $")
  17
  18 #include <errno.h>
  19 #include <stdio.h>      /* sys_errlist, on some platforms */
  20
  21 #include <sm/io.h>      /* sm_snprintf */
  22 #include <sm/string.h>
  23 #include <sm/errstring.h>
  24
  25 #if NAMED_BIND
  26 # include <netdb.h>
  27 #endif
  28
  29 #if LDAPMAP
  30 # include <lber.h>
  31 # include <ldap.h>                      /* for LDAP error codes */
  32 #endif /* LDAPMAP */
  33
  34 /*
  35 **  Notice: this file is used by libmilter. Please try to avoid
  36 **      using libsm specific functions.
  37 */
  38
  39 /*
  40 **  SM_ERRSTRING -- return string description of error code
  41 **
  42 **      Parameters:
  43 **              errnum -- the error number to translate
  44 **
  45 **      Returns:
  46 **              A string description of errnum.
  47 **
  48 **      Note: this may point to a local (static) buffer.
  49 */
  50
  51 const char *
  52 sm_errstring(errnum)
  53         int errnum;
  54 {
  55         char *ret;
  56
  57
  58         switch (errnum)
  59         {
  60           case EPERM:
  61                 /* SunOS gives "Not owner" -- this is the POSIX message */
  62                 return "Operation not permitted";
  63
  64         /*
  65         **  Error messages used internally in sendmail.
  66         */
  67
  68           case E_SM_OPENTIMEOUT:
  69                 return "Timeout on file open";
  70
  71           case E_SM_NOSLINK:
  72                 return "Symbolic links not allowed";
  73
  74           case E_SM_NOHLINK:
  75                 return "Hard links not allowed";
  76
  77           case E_SM_REGONLY:
  78                 return "Regular files only";
  79
  80           case E_SM_ISEXEC:
  81                 return "Executable files not allowed";
  82
  83           case E_SM_WWDIR:
  84                 return "World writable directory";
  85
  86           case E_SM_GWDIR:
  87                 return "Group writable directory";
  88
  89           case E_SM_FILECHANGE:
  90                 return "File changed after open";
  91
  92           case E_SM_WWFILE:
  93                 return "World writable file";
  94
  95           case E_SM_GWFILE:
  96                 return "Group writable file";
  97
  98           case E_SM_GRFILE:
  99                 return "Group readable file";
 100
 101           case E_SM_WRFILE:
 102                 return "World readable file";
 103
 104         /*
 105         **  DNS error messages.
 106         */
 107
 108 #if NAMED_BIND
 109           case HOST_NOT_FOUND + E_DNSBASE:
 110                 return "Name server: host not found";
 111
 112           case TRY_AGAIN + E_DNSBASE:
 113                 return "Name server: host name lookup failure";
 114
 115           case NO_RECOVERY + E_DNSBASE:
 116                 return "Name server: non-recoverable error";
 117
 118           case NO_DATA + E_DNSBASE:
 119                 return "Name server: no data known";
 120 #endif /* NAMED_BIND */
 121
 122         /*
 123         **  libsmdb error messages.
 124         */
 125
 126           case SMDBE_MALLOC:
 127                 return "Memory allocation failed";
 128
 129           case SMDBE_GDBM_IS_BAD:
 130                 return "GDBM is not supported";
 131
 132           case SMDBE_UNSUPPORTED:
 133                 return "Unsupported action";
 134
 135           case SMDBE_DUPLICATE:
 136                 return "Key already exists";
 137
 138           case SMDBE_BAD_OPEN:
 139                 return "Database open failed";
 140
 141           case SMDBE_NOT_FOUND:
 142                 return "Key not found";
 143
 144           case SMDBE_UNKNOWN_DB_TYPE:
 145                 return "Unknown database type";
 146
 147           case SMDBE_UNSUPPORTED_DB_TYPE:
 148                 return "Support for database type not compiled into this program";
 149
 150           case SMDBE_INCOMPLETE:
 151                 return "DB sync did not finish";
 152
 153           case SMDBE_KEY_EMPTY:
 154                 return "Key is empty";
 155
 156           case SMDBE_KEY_EXIST:
 157                 return "Key already exists";
 158
 159           case SMDBE_LOCK_DEADLOCK:
 160                 return "Locker killed to resolve deadlock";
 161
 162           case SMDBE_LOCK_NOT_GRANTED:
 163                 return "Lock unavailable";
 164
 165           case SMDBE_LOCK_NOT_HELD:
 166                 return "Lock not held by locker";
 167
 168           case SMDBE_RUN_RECOVERY:
 169                 return "Database panic, run recovery";
 170
 171           case SMDBE_IO_ERROR:
 172                 return "I/O error";
 173
 174           case SMDBE_READ_ONLY:
 175                 return "Database opened read-only";
 176
 177           case SMDBE_DB_NAME_TOO_LONG:
 178                 return "Name too long";
 179
 180           case SMDBE_INVALID_PARAMETER:
 181                 return "Invalid parameter";
 182
 183           case SMDBE_ONLY_SUPPORTS_ONE_CURSOR:
 184                 return "Only one cursor allowed";
 185
 186           case SMDBE_NOT_A_VALID_CURSOR:
 187                 return "Invalid cursor";
 188
 189           case SMDBE_OLD_VERSION:
 190                 return "Berkeley DB file is an old version, recreate it";
 191
 192           case SMDBE_VERSION_MISMATCH:
 193                 return "Berkeley DB version mismatch between include file and library";
 194
 195 #if LDAPMAP
 196
 197         /*
 198         **  LDAP URL error messages.
 199         */
 200
 201         /* OpenLDAP errors */
 202 # ifdef LDAP_URL_ERR_MEM
 203           case E_LDAPURLBASE + LDAP_URL_ERR_MEM:
 204                 return "LDAP URL can't allocate memory space";
 205 # endif /* LDAP_URL_ERR_MEM */
 206
 207 # ifdef LDAP_URL_ERR_PARAM
 208           case E_LDAPURLBASE + LDAP_URL_ERR_PARAM:
 209                 return "LDAP URL parameter is bad";
 210 # endif /* LDAP_URL_ERR_PARAM */
 211
 212 # ifdef LDAP_URL_ERR_BADSCHEME
 213           case E_LDAPURLBASE + LDAP_URL_ERR_BADSCHEME:
 214                 return "LDAP URL doesn't begin with \"ldap[si]://\"";
 215 # endif /* LDAP_URL_ERR_BADSCHEME */
 216
 217 # ifdef LDAP_URL_ERR_BADENCLOSURE
 218           case E_LDAPURLBASE + LDAP_URL_ERR_BADENCLOSURE:
 219                 return "LDAP URL is missing trailing \">\"";
 220 # endif /* LDAP_URL_ERR_BADENCLOSURE */
 221
 222 # ifdef LDAP_URL_ERR_BADURL
 223           case E_LDAPURLBASE + LDAP_URL_ERR_BADURL:
 224                 return "LDAP URL is bad";
 225 # endif /* LDAP_URL_ERR_BADURL */
 226
 227 # ifdef LDAP_URL_ERR_BADHOST
 228           case E_LDAPURLBASE + LDAP_URL_ERR_BADHOST:
 229                 return "LDAP URL host port is bad";
 230 # endif /* LDAP_URL_ERR_BADHOST */
 231
 232 # ifdef LDAP_URL_ERR_BADATTRS
 233           case E_LDAPURLBASE + LDAP_URL_ERR_BADATTRS:
 234                 return "LDAP URL bad (or missing) attributes";
 235 # endif /* LDAP_URL_ERR_BADATTRS */
 236
 237 # ifdef LDAP_URL_ERR_BADSCOPE
 238           case E_LDAPURLBASE + LDAP_URL_ERR_BADSCOPE:
 239                 return "LDAP URL scope string is invalid (or missing)";
 240 # endif /* LDAP_URL_ERR_BADSCOPE */
 241
 242 # ifdef LDAP_URL_ERR_BADFILTER
 243           case E_LDAPURLBASE + LDAP_URL_ERR_BADFILTER:
 244                 return "LDAP URL bad or missing filter";
 245 # endif /* LDAP_URL_ERR_BADFILTER */
 246
 247 # ifdef LDAP_URL_ERR_BADEXTS
 248           case E_LDAPURLBASE + LDAP_URL_ERR_BADEXTS:
 249                 return "LDAP URL bad or missing extensions";
 250 # endif /* LDAP_URL_ERR_BADEXTS */
 251
 252         /* Sun LDAP errors */
 253 # ifdef LDAP_URL_ERR_NOTLDAP
 254           case E_LDAPURLBASE + LDAP_URL_ERR_NOTLDAP:
 255                 return "LDAP URL doesn't begin with \"ldap://\"";
 256 # endif /* LDAP_URL_ERR_NOTLDAP */
 257
 258 # ifdef LDAP_URL_ERR_NODN
 259           case E_LDAPURLBASE + LDAP_URL_ERR_NODN:
 260                 return "LDAP URL has no DN (required)";
 261 # endif /* LDAP_URL_ERR_NODN */
 262
 263 #endif /* LDAPMAP */
 264         }
 265
 266 #if LDAPMAP
 267
 268         /*
 269         **  LDAP error messages.
 270         */
 271
 272         if (errnum >= E_LDAPBASE)
 273                 return ldap_err2string(errnum - E_LDAPBASE);
 274 #endif /* LDAPMAP */
 275
 276         ret = strerror(errnum);
 277         if (ret == NULL)
 278         {
 279                 static char buf[30];
 280
 281                 (void) sm_snprintf(buf, sizeof buf, "Error %d", errnum);
 282                 return buf;
 283         }
 284         return ret;
 285 }