1 | /* |
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2 | * Copyright (c) 1998-2001 Sendmail, Inc. and its suppliers. |
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3 | * All rights reserved. |
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4 | * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. |
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5 | * Copyright (c) 1988, 1993 |
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6 | * The Regents of the University of California. All rights reserved. |
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7 | * |
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8 | * By using this file, you agree to the terms and conditions set |
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9 | * forth in the LICENSE file which can be found at the top level of |
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10 | * the sendmail distribution. |
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11 | * |
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12 | */ |
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13 | |
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14 | #include <sendmail.h> |
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15 | |
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16 | SM_RCSID("@(#)$Id: sysexits.c,v 1.1.1.1 2003-04-08 15:08:06 zacheiss Exp $") |
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17 | |
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18 | /* |
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19 | ** DSNTOEXITSTAT -- convert DSN-style error code to EX_ style. |
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20 | ** |
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21 | ** Parameters: |
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22 | ** dsncode -- the text of the DSN-style code. |
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23 | ** |
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24 | ** Returns: |
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25 | ** The corresponding exit status. |
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26 | */ |
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27 | |
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28 | int |
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29 | dsntoexitstat(dsncode) |
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30 | char *dsncode; |
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31 | { |
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32 | int code2, code3; |
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33 | |
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34 | /* first the easy cases.... */ |
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35 | if (*dsncode == '2') |
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36 | return EX_OK; |
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37 | if (*dsncode == '4') |
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38 | return EX_TEMPFAIL; |
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39 | |
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40 | /* reject other illegal values */ |
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41 | if (*dsncode != '5') |
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42 | return EX_CONFIG; |
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43 | |
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44 | /* now decode the other two field parts */ |
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45 | if (*++dsncode == '.') |
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46 | dsncode++; |
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47 | code2 = atoi(dsncode); |
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48 | while (*dsncode != '\0' && *dsncode != '.') |
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49 | dsncode++; |
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50 | if (*dsncode != '\0') |
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51 | dsncode++; |
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52 | code3 = atoi(dsncode); |
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53 | |
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54 | /* and do a nested switch to work them out */ |
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55 | switch (code2) |
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56 | { |
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57 | case 0: /* Other or Undefined status */ |
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58 | return EX_UNAVAILABLE; |
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59 | |
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60 | case 1: /* Address Status */ |
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61 | switch (code3) |
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62 | { |
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63 | case 0: /* Other Address Status */ |
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64 | return EX_DATAERR; |
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65 | |
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66 | case 1: /* Bad destination mailbox address */ |
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67 | case 6: /* Mailbox has moved, No forwarding address */ |
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68 | return EX_NOUSER; |
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69 | |
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70 | case 2: /* Bad destination system address */ |
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71 | case 8: /* Bad senders system address */ |
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72 | return EX_NOHOST; |
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73 | |
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74 | case 3: /* Bad destination mailbox address syntax */ |
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75 | case 7: /* Bad senders mailbox address syntax */ |
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76 | return EX_USAGE; |
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77 | |
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78 | case 4: /* Destination mailbox address ambiguous */ |
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79 | return EX_UNAVAILABLE; |
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80 | |
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81 | case 5: /* Destination address valid */ |
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82 | /* According to RFC1893, this can't happen */ |
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83 | return EX_CONFIG; |
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84 | } |
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85 | break; |
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86 | |
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87 | case 2: /* Mailbox Status */ |
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88 | switch (code3) |
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89 | { |
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90 | case 0: /* Other or Undefined mailbox status */ |
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91 | case 1: /* Mailbox disabled, not accepting messages */ |
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92 | case 2: /* Mailbox full */ |
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93 | case 4: /* Mailing list expansion problem */ |
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94 | return EX_UNAVAILABLE; |
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95 | |
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96 | case 3: /* Message length exceeds administrative lim */ |
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97 | return EX_DATAERR; |
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98 | } |
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99 | break; |
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100 | |
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101 | case 3: /* System Status */ |
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102 | return EX_OSERR; |
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103 | |
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104 | case 4: /* Network and Routing Status */ |
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105 | switch (code3) |
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106 | { |
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107 | case 0: /* Other or undefined network or routing stat */ |
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108 | return EX_IOERR; |
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109 | |
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110 | case 1: /* No answer from host */ |
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111 | case 3: /* Routing server failure */ |
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112 | case 5: /* Network congestion */ |
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113 | return EX_TEMPFAIL; |
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114 | |
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115 | case 2: /* Bad connection */ |
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116 | return EX_IOERR; |
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117 | |
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118 | case 4: /* Unable to route */ |
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119 | return EX_PROTOCOL; |
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120 | |
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121 | case 6: /* Routing loop detected */ |
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122 | return EX_CONFIG; |
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123 | |
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124 | case 7: /* Delivery time expired */ |
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125 | return EX_UNAVAILABLE; |
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126 | } |
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127 | break; |
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128 | |
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129 | case 5: /* Protocol Status */ |
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130 | return EX_PROTOCOL; |
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131 | |
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132 | case 6: /* Message Content or Media Status */ |
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133 | return EX_UNAVAILABLE; |
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134 | |
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135 | case 7: /* Security Status */ |
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136 | return EX_DATAERR; |
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137 | } |
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138 | return EX_UNAVAILABLE; |
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139 | } |
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140 | /* |
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141 | ** EXITSTAT -- convert EX_ value to error text. |
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142 | ** |
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143 | ** Parameters: |
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144 | ** excode -- rstatus which might consists of an EX_* value. |
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145 | ** |
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146 | ** Returns: |
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147 | ** The corresponding error text or the original string. |
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148 | */ |
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149 | |
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150 | char * |
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151 | exitstat(excode) |
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152 | char *excode; |
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153 | { |
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154 | char *c; |
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155 | int i; |
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156 | char *exitmsg; |
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157 | |
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158 | if (excode == NULL || *excode == '\0') |
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159 | return excode; |
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160 | i = (int) strtol(excode, &c, 10); |
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161 | if (*c != '\0') |
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162 | return excode; |
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163 | exitmsg = sm_sysexitmsg(i); |
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164 | if (exitmsg != NULL) |
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165 | return exitmsg; |
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166 | return excode; |
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167 | } |
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