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 #include <sm/gen.h> 14 SM_RCSID("@(#)$Id: errstring.c,v 1.12.2.4 2003/06/24 17:16:09 ca Exp $") 15 16 #include <errno.h> 17 #include <stdio.h> /* sys_errlist, on some platforms */ 18 19 #include <sm/io.h> /* sm_snprintf */ 20 #include <sm/string.h> 21 #include <sm/errstring.h> 22 23 #if NAMED_BIND 24 # include <netdb.h> 25 #endif 26 27 #if LDAPMAP 28 # include <lber.h> 29 # include <ldap.h> /* for LDAP error codes */ 30 #endif /* LDAPMAP */ 31 32 /* 33 ** Notice: this file is used by libmilter. Please try to avoid 34 ** using libsm specific functions. 35 */ 36 37 /* 38 ** SM_ERRSTRING -- return string description of error code 39 ** 40 ** Parameters: 41 ** errnum -- the error number to translate 42 ** 43 ** Returns: 44 ** A string description of errnum. 45 ** 46 ** Note: this may point to a local (static) buffer. 47 */ 48 49 const char * 50 sm_errstring(errnum) 51 int errnum; 52 { 53 char *ret; 54 55 56 switch (errnum) 57 { 58 case EPERM: 59 /* SunOS gives "Not owner" -- this is the POSIX message */ 60 return "Operation not permitted"; 61 62 /* 63 ** Error messages used internally in sendmail. 64 */ 65 66 case E_SM_OPENTIMEOUT: 67 return "Timeout on file open"; 68 69 case E_SM_NOSLINK: 70 return "Symbolic links not allowed"; 71 72 case E_SM_NOHLINK: 73 return "Hard links not allowed"; 74 75 case E_SM_REGONLY: 76 return "Regular files only"; 77 78 case E_SM_ISEXEC: 79 return "Executable files not allowed"; 80 81 case E_SM_WWDIR: 82 return "World writable directory"; 83 84 case E_SM_GWDIR: 85 return "Group writable directory"; 86 87 case E_SM_FILECHANGE: 88 return "File changed after open"; 89 90 case E_SM_WWFILE: 91 return "World writable file"; 92 93 case E_SM_GWFILE: 94 return "Group writable file"; 95 96 case E_SM_GRFILE: 97 return "Group readable file"; 98 99 case E_SM_WRFILE: 100 return "World readable file"; 101 102 /* 103 ** DNS error messages. 104 */ 105 106 #if NAMED_BIND 107 case HOST_NOT_FOUND + E_DNSBASE: 108 return "Name server: host not found"; 109 110 case TRY_AGAIN + E_DNSBASE: 111 return "Name server: host name lookup failure"; 112 113 case NO_RECOVERY + E_DNSBASE: 114 return "Name server: non-recoverable error"; 115 116 case NO_DATA + E_DNSBASE: 117 return "Name server: no data known"; 118 #endif /* NAMED_BIND */ 119 120 /* 121 ** libsmdb error messages. 122 */ 123 124 case SMDBE_MALLOC: 125 return "Memory allocation failed"; 126 127 case SMDBE_GDBM_IS_BAD: 128 return "GDBM is not supported"; 129 130 case SMDBE_UNSUPPORTED: 131 return "Unsupported action"; 132 133 case SMDBE_DUPLICATE: 134 return "Key already exists"; 135 136 case SMDBE_BAD_OPEN: 137 return "Database open failed"; 138 139 case SMDBE_NOT_FOUND: 140 return "Key not found"; 141 142 case SMDBE_UNKNOWN_DB_TYPE: 143 return "Unknown database type"; 144 145 case SMDBE_UNSUPPORTED_DB_TYPE: 146 return "Support for database type not compiled into this program"; 147 148 case SMDBE_INCOMPLETE: 149 return "DB sync did not finish"; 150 151 case SMDBE_KEY_EMPTY: 152 return "Key is empty"; 153 154 case SMDBE_KEY_EXIST: 155 return "Key already exists"; 156 157 case SMDBE_LOCK_DEADLOCK: 158 return "Locker killed to resolve deadlock"; 159 160 case SMDBE_LOCK_NOT_GRANTED: 161 return "Lock unavailable"; 162 163 case SMDBE_LOCK_NOT_HELD: 164 return "Lock not held by locker"; 165 166 case SMDBE_RUN_RECOVERY: 167 return "Database panic, run recovery"; 168 169 case SMDBE_IO_ERROR: 170 return "I/O error"; 171 172 case SMDBE_READ_ONLY: 173 return "Database opened read-only"; 174 175 case SMDBE_DB_NAME_TOO_LONG: 176 return "Name too long"; 177 178 case SMDBE_INVALID_PARAMETER: 179 return "Invalid parameter"; 180 181 case SMDBE_ONLY_SUPPORTS_ONE_CURSOR: 182 return "Only one cursor allowed"; 183 184 case SMDBE_NOT_A_VALID_CURSOR: 185 return "Invalid cursor"; 186 187 case SMDBE_OLD_VERSION: 188 return "Berkeley DB file is an old version, recreate it"; 189 190 case SMDBE_VERSION_MISMATCH: 191 return "Berkeley DB version mismatch between include file and library"; 192 } 193 194 /* 195 ** LDAP error messages. 196 */ 197 198 #if LDAPMAP 199 if (errnum >= E_LDAPBASE) 200 return ldap_err2string(errnum - E_LDAPBASE); 201 #endif /* LDAPMAP */ 202 203 ret = strerror(errnum); 204 if (ret == NULL) 205 { 206 static char buf[30]; 207 208 (void) sm_snprintf(buf, sizeof buf, "Error %d", errnum); 209 return buf; 210 } 211 return ret; 212 } 213