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1 /* ========================================================================
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2 * Copyright 1988-2006 University of Washington
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3 *
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4 * Licensed under the Apache License, Version 2.0 (the "License");
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5 * you may not use this file except in compliance with the License.
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6 * You may obtain a copy of the License at
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7 *
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8 * http://www.apache.org/licenses/LICENSE-2.0
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9 *
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10 *
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11 * ========================================================================
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12 */
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13
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14 /*
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15 * Program: Dummy routines for DOS
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16 *
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17 * Author: Mark Crispin
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18 * Networks and Distributed Computing
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19 * Computing & Communications
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20 * University of Washington
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21 * Administration Building, AG-44
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22 * Seattle, WA 98195
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23 * Internet: MRC@CAC.Washington.EDU
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24 *
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25 * Date: 24 May 1993
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26 * Last Edited: 30 August 2006
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27 */
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28
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29
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30 #include <ctype.h>
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31 #include <errno.h>
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32 #include <fcntl.h>
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33 #include "mail.h"
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34 #include "osdep.h"
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35 #include <sys\stat.h>
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36 #include <dos.h>
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37 #include "dummy.h"
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38 #include "misc.h"
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39
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40 /* Function prototypes */
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41
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42 DRIVER *dummy_valid (char *name);
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43 void *dummy_parameters (long function,void *value);
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44 void dummy_list_work (MAILSTREAM *stream,char *dir,char *pat,char *contents,
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45 long level);
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46 long dummy_listed (MAILSTREAM *stream,char delimiter,char *name,
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47 long attributes,char *contents);
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48 long dummy_subscribe (MAILSTREAM *stream,char *mailbox);
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49 MAILSTREAM *dummy_open (MAILSTREAM *stream);
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50 void dummy_close (MAILSTREAM *stream,long options);
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51 long dummy_ping (MAILSTREAM *stream);
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52 void dummy_check (MAILSTREAM *stream);
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53 long dummy_expunge (MAILSTREAM *stream,char *sequence,long options);
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54 long dummy_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options);
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55 long dummy_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data);
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56 long dummy_badname (char *tmp,char *s);
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57
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58 /* Dummy routines */
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59
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60
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61 /* Driver dispatch used by MAIL */
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62
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63 DRIVER dummydriver = {
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64 "dummy", /* driver name */
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65 DR_LOCAL|DR_MAIL, /* driver flags */
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66 (DRIVER *) NIL, /* next driver */
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67 dummy_valid, /* mailbox is valid for us */
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68 dummy_parameters, /* manipulate parameters */
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69 dummy_scan, /* scan mailboxes */
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70 dummy_list, /* list mailboxes */
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71 dummy_lsub, /* list subscribed mailboxes */
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72 dummy_subscribe, /* subscribe to mailbox */
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73 NIL, /* unsubscribe from mailbox */
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74 dummy_create, /* create mailbox */
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75 dummy_delete, /* delete mailbox */
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76 dummy_rename, /* rename mailbox */
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77 mail_status_default, /* status of mailbox */
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78 dummy_open, /* open mailbox */
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79 dummy_close, /* close mailbox */
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80 NIL, /* fetch message "fast" attributes */
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81 NIL, /* fetch message flags */
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82 NIL, /* fetch overview */
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83 NIL, /* fetch message structure */
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84 NIL, /* fetch header */
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85 NIL, /* fetch text */
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86 NIL, /* fetch message data */
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87 NIL, /* unique identifier */
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88 NIL, /* message number from UID */
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89 NIL, /* modify flags */
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90 NIL, /* per-message modify flags */
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91 NIL, /* search for message based on criteria */
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92 NIL, /* sort messages */
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93 NIL, /* thread messages */
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94 dummy_ping, /* ping mailbox to see if still alive */
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95 dummy_check, /* check for new messages */
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96 dummy_expunge, /* expunge deleted messages */
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97 dummy_copy, /* copy messages to another mailbox */
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98 dummy_append, /* append string message to mailbox */
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99 NIL /* garbage collect stream */
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100 };
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101
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102
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103 /* prototype stream */
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104 MAILSTREAM dummyproto = {&dummydriver};
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105
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106 /* driver parameters */
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107 static char *file_extension = NIL;
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108
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109 /* Dummy validate mailbox
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110 * Accepts: mailbox name
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111 * Returns: our driver if name is valid, NIL otherwise
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112 */
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113
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114 DRIVER *dummy_valid (char *name)
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115 {
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116 char *s,tmp[MAILTMPLEN];
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117 struct stat sbuf;
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118 /* must be valid local mailbox */
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119 return (name && *name && (*name != '{') &&
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120 (s = mailboxfile (tmp,name)) && (!*s || !stat (s,&sbuf))) ?
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121 &dummydriver : NIL;
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122 }
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123
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124
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125 /* Dummy manipulate driver parameters
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126 * Accepts: function code
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127 * function-dependent value
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128 * Returns: function-dependent return value
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129 */
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130
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131 void *dummy_parameters (long function,void *value)
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132 {
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133 void *ret = NIL;
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134 switch ((int) function) {
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135 case SET_EXTENSION:
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136 if (file_extension) fs_give ((void **) &file_extension);
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137 if (*(char *) value) file_extension = cpystr ((char *) value);
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138 case GET_EXTENSION:
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139 ret = (void *) file_extension;
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140 }
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141 return ret;
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142 }
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143
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144 /* Dummy scan mailboxes
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145 * Accepts: mail stream
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146 * reference
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147 * pattern to search
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148 * string to scan
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149 */
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150
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151 #define LISTTMPLEN 128
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152
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153 void dummy_scan (MAILSTREAM *stream,char *ref,char *pat,char *contents)
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154 {
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155 char *s,test[LISTTMPLEN],file[LISTTMPLEN];
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156 long i = 0;
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157 if (!pat || !*pat) { /* empty pattern? */
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158 if (dummy_canonicalize (test,ref,"*")) {
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159 /* tie off name at root */
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160 if (s = strchr (test,'\\')) *++s = '\0';
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161 else test[0] = '\0';
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162 dummy_listed (stream,'\\',test,LATT_NOINFERIORS,NIL);
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163 }
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164 }
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165 /* get canonical form of name */
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166 else if (dummy_canonicalize (test,ref,pat)) {
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167 /* found any wildcards? */
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168 if (s = strpbrk (test,"%*")) {
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169 /* yes, copy name up to that point */
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170 strncpy (file,test,(size_t) (i = s - test));
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171 file[i] = '\0'; /* tie off */
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172 }
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173 else strcpy (file,test); /* use just that name then */
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174 /* find directory name */
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175 if (s = strrchr (file,'\\')) {
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176 *++s = '\0'; /* found, tie off at that point */
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177 s = file;
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178 }
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179 /* silly case */
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180 else if (file[0] == '#') s = file;
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181 /* do the work */
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182 dummy_list_work (stream,s,test,contents,0);
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183 if (pmatch ("INBOX",test)) /* always an INBOX */
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184 dummy_listed (stream,NIL,"INBOX",LATT_NOINFERIORS,contents);
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185 }
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186 }
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187
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188 /* Dummy list mailboxes
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189 * Accepts: mail stream
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190 * reference
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191 * pattern to search
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192 */
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193
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194 void dummy_list (MAILSTREAM *stream,char *ref,char *pat)
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195 {
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196 dummy_scan (stream,ref,pat,NIL);
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197 }
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198
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199
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200 /* Dummy list subscribed mailboxes
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201 * Accepts: mail stream
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202 * pattern to search
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203 */
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204
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205 void dummy_lsub (MAILSTREAM *stream,char *ref,char *pat)
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206 {
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207 void *sdb = NIL;
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208 char *s,*t,test[MAILTMPLEN];
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209 int showuppers = pat[strlen (pat) - 1] == '%';
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210 /* get canonical form of name */
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211 if (dummy_canonicalize (test,ref,pat) && (s = sm_read (&sdb))) do
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212 if (*s != '{') {
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213 if (pmatch_full (s,test,'\\')) {
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214 if (pmatch (s,"INBOX")) mm_lsub (stream,NIL,s,LATT_NOINFERIORS);
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215 else mm_lsub (stream,'\\',s,NIL);
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216 }
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217 else while (showuppers && (t = strrchr (s,'\\'))) {
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218 *t = '\0'; /* tie off the name */
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219 if (pmatch_full (s,test,'\\')) mm_lsub (stream,'\\',s,LATT_NOSELECT);
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220 }
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221 }
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222 while (s = sm_read (&sdb)); /* until no more subscriptions */
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223 }
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224
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225
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226 /* Dummy subscribe to mailbox
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227 * Accepts: mail stream
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228 * mailbox to add to subscription list
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229 * Returns: T on success, NIL on failure
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230 */
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231
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232 long dummy_subscribe (MAILSTREAM *stream,char *mailbox)
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233 {
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234 char *s,tmp[MAILTMPLEN];
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235 struct stat sbuf;
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236 /* must be valid local mailbox */
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237 if ((s = mailboxfile (tmp,mailbox)) && *s && !stat (s,&sbuf) &&
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238 ((sbuf.st_mode & S_IFMT) == S_IFREG)) return sm_subscribe (mailbox);
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239 sprintf (tmp,"Can't subscribe %s: not a mailbox",mailbox);
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240 mm_log (tmp,ERROR);
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241 return NIL;
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242 }
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243
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244 /* Dummy list mailboxes worker routine
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245 * Accepts: mail stream
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246 * directory name to search
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247 * search pattern
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248 * string to scan
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249 * search level
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250 */
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251
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252 void dummy_list_work (MAILSTREAM *stream,char *dir,char *pat,char *contents,
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253 long level)
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254 {
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255 struct find_t f;
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256 struct stat sbuf;
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257 char *s,tmp[LISTTMPLEN],tmpx[LISTTMPLEN];
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258 char *base = (dir && (dir[0] == '\\')) ? NIL : myhomedir ();
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259 /* build name */
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260 if (base) sprintf (tmpx,"%s\\",base);
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261 else tmpx[0] = '\0';
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262 if (dir) strcat (tmpx,dir);
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263 /* punt if bogus name */
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264 if (!mailboxfile (tmp,tmpx)) return;
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265 /* make directory wildcard */
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266 strcat (tmp,(tmp[strlen (tmp) -1] == '\\') ? "*." : "\\*.");
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267 strcat (tmp,file_extension ? file_extension : "*");
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268 /* do nothing if can't open directory */
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269 if (!_dos_findfirst (tmp,_A_NORMAL|_A_SUBDIR,&f)) {
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270 /* list it if at top-level */
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271 if (!level && dir && pmatch_full (dir,pat,'\\'))
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272 dummy_listed (stream,'\\',dir,LATT_NOSELECT,contents);
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273 /* scan directory */
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274 if (tmpx[strlen (tmpx) - 1] == '\\') do if (*f.name != '.') {
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275 if (base) sprintf (tmpx,"%s\\",base);
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276 else tmpx[0] = '\0';
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277 if (dir) sprintf (tmpx + strlen (tmpx),"%s%s",dir,f.name);
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278 else strcat (tmpx,f.name);
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279 if (mailboxfile (tmp,tmpx) && !stat (tmp,&sbuf)) {
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280 /* suppress extension */
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281 if (file_extension && (s = strchr (f.name,'.'))) *s = '\0';
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282 /* now make name we'd return */
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283 if (dir) sprintf (tmp,"%s%s",dir,f.name);
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284 else strcpy (tmp,f.name);
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285 /* only interested in file type */
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286 switch (sbuf.st_mode & S_IFMT) {
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287 case S_IFDIR: /* directory? */
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288 if (pmatch_full (tmp,pat,'\\')) {
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289 dummy_listed (stream,'\\',tmp,LATT_NOSELECT,contents);
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290 strcat (tmp,"\\"); /* set up for dmatch call */
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291 }
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292 /* try again with trailing / */
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293 else if (pmatch_full (strcat (tmp,"\\"),pat,'\\'))
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294 dummy_listed (stream,'\\',tmp,LATT_NOSELECT,contents);
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295 if (dmatch (tmp,pat,'\\') &&
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296 (level < (long) mail_parameters (NIL,GET_LISTMAXLEVEL,NIL)))
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297 dummy_list_work (stream,tmp,pat,contents,level+1);
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298 break;
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299 case S_IFREG: /* ordinary name */
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300 if (pmatch_full (tmp,pat,'\\') && !pmatch ("INBOX",tmp))
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301 dummy_listed (stream,'\\',tmp,LATT_NOINFERIORS,contents);
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302 break;
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303 }
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304 }
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305 }
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306 while (!_dos_findnext (&f));
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307 }
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308 }
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309
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310 /* Mailbox found
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311 * Accepts: hierarchy delimiter
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312 * mailbox name
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313 * attributes
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314 * contents to search before calling mm_list()
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315 * Returns: T, always
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316 */
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317
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318 #define BUFSIZE MAILTMPLEN
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319
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320 long dummy_listed (MAILSTREAM *stream,char delimiter,char *name,
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321 long attributes,char *contents)
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322 {
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323 struct stat sbuf;
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324 int fd;
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325 size_t csiz,ssiz,bsiz;
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326 char *buf,tmp[MAILTMPLEN];
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327 if (contents) { /* want to search contents? */
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328 /* forget it if can't select or open */
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329 if ((attributes & LATT_NOSELECT) || !(csiz = strlen (contents)) ||
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330 !mailboxfile (tmp,name) || stat (tmp,&sbuf) || (csiz > sbuf.st_size) ||
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331 ((fd = open (tmp,O_RDONLY,NIL)) < 0)) return T;
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332 /* get buffer including slop */
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333 buf = (char *) fs_get (BUFSIZE + (ssiz = 4 * ((csiz / 4) + 1)) + 1);
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334 memset (buf,'\0',ssiz); /* no slop area the first time */
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335 while (sbuf.st_size) { /* until end of file */
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336 read (fd,buf+ssiz,bsiz = min (sbuf.st_size,BUFSIZE));
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337 if (search ((unsigned char *) buf,bsiz+ssiz,
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338 (unsigned char *) contents,csiz)) break;
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339 memcpy (buf,buf+BUFSIZE,ssiz);
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340 sbuf.st_size -= bsiz; /* note that we read that much */
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341 }
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342 fs_give ((void **) &buf); /* flush buffer */
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343 close (fd); /* finished with file */
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344 if (!sbuf.st_size) return T;/* not found */
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345 }
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346 /* notify main program */
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347 mm_list (stream,delimiter,name,attributes);
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348 return T;
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349 }
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350
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351 /* Dummy create mailbox
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352 * Accepts: mail stream
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353 * mailbox name to create
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354 * Returns: T on success, NIL on failure
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355 */
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356
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357 long dummy_create (MAILSTREAM *stream,char *mailbox)
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358 {
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359 char tmp[MAILTMPLEN];
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360 return (compare_cstring (mailbox,"INBOX") && mailboxfile (tmp,mailbox)) ?
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361 dummy_create_path (stream,tmp,NIL) : dummy_badname (tmp,mailbox);
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362 }
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363
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364
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365 /* Dummy create path
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366 * Accepts: mail stream
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367 * path name to create
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368 * directory mode
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369 * Returns: T on success, NIL on failure
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370 */
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371
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372 long dummy_create_path (MAILSTREAM *stream,char *path,long dirmode)
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373 {
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374 struct stat sbuf;
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375 char c,*s,tmp[MAILTMPLEN];
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376 int fd;
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377 long ret = NIL;
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378 char *t = strrchr (path,'\\');
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379 char *pt = (path[1] == ':') ? path + 2 : path;
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380 int wantdir = t && !t[1];
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381 if (wantdir) *t = '\0'; /* flush trailing delimiter for directory */
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382 /* found superior to this name? */
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383 if ((s = strrchr (pt,'\\')) && (s != pt)) {
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384 strncpy (tmp,path,(size_t) (s - path));
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385 tmp[s - path] = '\0'; /* make directory name for stat */
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386 c = *++s; /* tie off in case need to recurse */
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387 *s = '\0';
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388 /* name doesn't exist, create it */
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389 if ((stat (tmp,&sbuf) || ((sbuf.st_mode & S_IFMT) != S_IFDIR)) &&
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390 !dummy_create_path (stream,path,dirmode)) return NIL;
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391 *s = c; /* restore full name */
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392 }
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393 if (wantdir) { /* want to create directory? */
|
|
|
394 ret = !mkdir (path);
|
|
|
395 *t = '\\'; /* restore directory delimiter */
|
|
|
396 }
|
|
|
397 /* create file */
|
|
|
398 else if ((fd = open (path,O_WRONLY|O_CREAT|O_EXCL,S_IREAD|S_IWRITE)) >= 0)
|
|
|
399 ret = !close (fd); /* close file */
|
|
|
400 if (!ret) { /* error? */
|
|
|
401 sprintf (tmp,"Can't create mailbox node %s: %s",path,strerror (errno));
|
|
|
402 mm_log (tmp,ERROR);
|
|
|
403 }
|
|
|
404 return ret; /* return status */
|
|
|
405 }
|
|
|
406
|
|
|
407 /* Dummy delete mailbox
|
|
|
408 * Accepts: mail stream
|
|
|
409 * mailbox name to delete
|
|
|
410 * Returns: T on success, NIL on failure
|
|
|
411 */
|
|
|
412
|
|
|
413 long dummy_delete (MAILSTREAM *stream,char *mailbox)
|
|
|
414 {
|
|
|
415 struct stat sbuf;
|
|
|
416 char *s,tmp[MAILTMPLEN];
|
|
|
417 if (!mailboxfile (tmp,mailbox)) return dummy_badname (tmp,mailbox);
|
|
|
418 /* no trailing \ */
|
|
|
419 if ((s = strrchr (tmp,'\\')) && !s[1]) *s = '\0';
|
|
|
420 if (stat (tmp,&sbuf) || ((sbuf.st_mode & S_IFMT) == S_IFDIR) ?
|
|
|
421 rmdir (tmp) : unlink (tmp)) {
|
|
|
422 sprintf (tmp,"Can't delete mailbox %s: %s",mailbox,strerror (errno));
|
|
|
423 mm_log (tmp,ERROR);
|
|
|
424 return NIL;
|
|
|
425 }
|
|
|
426 return T; /* return success */
|
|
|
427 }
|
|
|
428
|
|
|
429
|
|
|
430 /* Mail rename mailbox
|
|
|
431 * Accepts: mail stream
|
|
|
432 * old mailbox name
|
|
|
433 * new mailbox name
|
|
|
434 * Returns: T on success, NIL on failure
|
|
|
435 */
|
|
|
436
|
|
|
437 long dummy_rename (MAILSTREAM *stream,char *old,char *newname)
|
|
|
438 {
|
|
|
439 struct stat sbuf;
|
|
|
440 char c,*s,tmp[MAILTMPLEN],file[MAILTMPLEN];
|
|
|
441 /* make file name */
|
|
|
442 if (!mailboxfile (file,old)) return dummy_badname (tmp,old);
|
|
|
443 /* no trailing \ allowed */
|
|
|
444 if (!(s = mailboxfile (tmp,newname)) || ((s = strrchr (s,'\\')) && !s[1]))
|
|
|
445 return dummy_badname (tmp,newname);
|
|
|
446 if (s) { /* found superior to destination name? */
|
|
|
447 c = *++s; /* remember first character of inferior */
|
|
|
448 *s = '\0'; /* tie off to get just superior */
|
|
|
449 /* name doesn't exist, create it */
|
|
|
450 if ((stat (file,&sbuf) || ((sbuf.st_mode & S_IFMT) != S_IFDIR)) &&
|
|
|
451 !dummy_create (stream,file)) return NIL;
|
|
|
452 *s = c; /* restore full name */
|
|
|
453 }
|
|
|
454 if (rename (file,tmp)) {
|
|
|
455 sprintf (tmp,"Can't rename mailbox %s to %s: %s",old,newname,
|
|
|
456 strerror (errno));
|
|
|
457 mm_log (tmp,ERROR);
|
|
|
458 return NIL;
|
|
|
459 }
|
|
|
460 return LONGT; /* return success */
|
|
|
461 }
|
|
|
462
|
|
|
463 /* Dummy open
|
|
|
464 * Accepts: stream to open
|
|
|
465 * Returns: stream on success, NIL on failure
|
|
|
466 */
|
|
|
467
|
|
|
468 MAILSTREAM *dummy_open (MAILSTREAM *stream)
|
|
|
469 {
|
|
|
470 char tmp[MAILTMPLEN];
|
|
|
471 struct stat sbuf;
|
|
|
472 int fd = -1;
|
|
|
473 /* OP_PROTOTYPE call or silence */
|
|
|
474 if (!stream || stream->silent) return NIL;
|
|
|
475 if (!mailboxfile (tmp,stream->mailbox))
|
|
|
476 sprintf (tmp,"Can't open this name: %.80s",stream->mailbox);
|
|
|
477 else if (compare_cstring (stream->mailbox,"INBOX") &&
|
|
|
478 ((fd = open (tmp,O_RDONLY,NIL)) < 0))
|
|
|
479 sprintf (tmp,"%s: %s",strerror (errno),stream->mailbox);
|
|
|
480 else {
|
|
|
481 if (fd >= 0) { /* if got a file */
|
|
|
482 fstat (fd,&sbuf); /* sniff at its size */
|
|
|
483 close (fd);
|
|
|
484 if (sbuf.st_size) sprintf (tmp,"Not a mailbox: %s",stream->mailbox);
|
|
|
485 else fd = -1; /* a-OK */
|
|
|
486 }
|
|
|
487 if (fd < 0) { /* no file, right? */
|
|
|
488 if (!stream->silent) { /* only if silence not requested */
|
|
|
489 /* say there are 0 messages */
|
|
|
490 mail_exists (stream,(long) 0);
|
|
|
491 mail_recent (stream,(long) 0);
|
|
|
492 stream->uid_validity = time (0);
|
|
|
493 }
|
|
|
494 stream->inbox = T; /* note that it's an INBOX */
|
|
|
495 return stream; /* return success */
|
|
|
496 }
|
|
|
497 }
|
|
|
498 mm_log (tmp,stream->silent ? WARN: ERROR);
|
|
|
499 return NIL; /* always fails */
|
|
|
500 }
|
|
|
501
|
|
|
502
|
|
|
503 /* Dummy close
|
|
|
504 * Accepts: MAIL stream
|
|
|
505 * options
|
|
|
506 */
|
|
|
507
|
|
|
508 void dummy_close (MAILSTREAM *stream,long options)
|
|
|
509 {
|
|
|
510 /* return silently */
|
|
|
511 }
|
|
|
512
|
|
|
513 /* Dummy ping mailbox
|
|
|
514 * Accepts: MAIL stream
|
|
|
515 * Returns: T if stream alive, else NIL
|
|
|
516 * No-op for readonly files, since read/writer can expunge it from under us!
|
|
|
517 */
|
|
|
518
|
|
|
519 long dummy_ping (MAILSTREAM *stream)
|
|
|
520 {
|
|
|
521 MAILSTREAM *test;
|
|
|
522 /* time to do another test? */
|
|
|
523 if (time (0) >= ((time_t) (stream->gensym + 30))) {
|
|
|
524 /* has mailbox format changed? */
|
|
|
525 if ((test = mail_open (NIL,stream->mailbox,OP_PROTOTYPE)) &&
|
|
|
526 (test->dtb != stream->dtb) &&
|
|
|
527 (test = mail_open (NIL,stream->mailbox,NIL))) {
|
|
|
528 /* preserve some resources */
|
|
|
529 test->original_mailbox = stream->original_mailbox;
|
|
|
530 stream->original_mailbox = NIL;
|
|
|
531 test->sparep = stream->sparep;
|
|
|
532 stream->sparep = NIL;
|
|
|
533 test->sequence = stream->sequence;
|
|
|
534 mail_close ((MAILSTREAM *) /* flush resources used by dummy stream */
|
|
|
535 memcpy (fs_get (sizeof (MAILSTREAM)),stream,
|
|
|
536 sizeof (MAILSTREAM)));
|
|
|
537 /* swap the streams */
|
|
|
538 memcpy (stream,test,sizeof (MAILSTREAM));
|
|
|
539 fs_give ((void **) &test);/* flush test now that copied */
|
|
|
540 /* make sure application knows */
|
|
|
541 mail_exists (stream,stream->recent = stream->nmsgs);
|
|
|
542 }
|
|
|
543 /* still hasn't changed */
|
|
|
544 else stream->gensym = time (0);
|
|
|
545 }
|
|
|
546 return T;
|
|
|
547 }
|
|
|
548
|
|
|
549
|
|
|
550 /* Dummy check mailbox
|
|
|
551 * Accepts: MAIL stream
|
|
|
552 * No-op for readonly files, since read/writer can expunge it from under us!
|
|
|
553 */
|
|
|
554
|
|
|
555 void dummy_check (MAILSTREAM *stream)
|
|
|
556 {
|
|
|
557 dummy_ping (stream); /* invoke ping */
|
|
|
558 }
|
|
|
559
|
|
|
560
|
|
|
561 /* Dummy expunge mailbox
|
|
|
562 * Accepts: MAIL stream
|
|
|
563 * sequence to expunge if non-NIL
|
|
|
564 * expunge options
|
|
|
565 * Returns: T, always
|
|
|
566 */
|
|
|
567
|
|
|
568 long dummy_expunge (MAILSTREAM *stream,char *sequence,long options)
|
|
|
569 {
|
|
|
570 return LONGT;
|
|
|
571 }
|
|
|
572
|
|
|
573 /* Dummy copy message(s)
|
|
|
574 * Accepts: MAIL stream
|
|
|
575 * sequence
|
|
|
576 * destination mailbox
|
|
|
577 * options
|
|
|
578 * Returns: T if copy successful, else NIL
|
|
|
579 */
|
|
|
580
|
|
|
581 long dummy_copy (MAILSTREAM *stream,char *sequence,char *mailbox,long options)
|
|
|
582 {
|
|
|
583 if ((options & CP_UID) ? mail_uid_sequence (stream,sequence) :
|
|
|
584 mail_sequence (stream,sequence)) fatal ("Impossible dummy_copy");
|
|
|
585 return NIL;
|
|
|
586 }
|
|
|
587
|
|
|
588
|
|
|
589 /* Dummy append message string
|
|
|
590 * Accepts: mail stream
|
|
|
591 * destination mailbox
|
|
|
592 * append callback function
|
|
|
593 * data for callback
|
|
|
594 * Returns: T on success, NIL on failure
|
|
|
595 */
|
|
|
596
|
|
|
597 long dummy_append (MAILSTREAM *stream,char *mailbox,append_t af,void *data)
|
|
|
598 {
|
|
|
599 struct stat sbuf;
|
|
|
600 int fd = -1;
|
|
|
601 int e;
|
|
|
602 char tmp[MAILTMPLEN];
|
|
|
603 MAILSTREAM *ts = default_proto (T);
|
|
|
604 if (compare_cstring (mailbox,"INBOX") && mailboxfile (tmp,mailbox) &&
|
|
|
605 ((fd = open (tmp,O_RDONLY,NIL)) < 0)) {
|
|
|
606 if ((e = errno) == ENOENT) /* failed, was it no such file? */
|
|
|
607 mm_notify (stream,"[TRYCREATE] Must create mailbox before append",
|
|
|
608 (long) NIL);
|
|
|
609 sprintf (tmp,"%s: %s",strerror (e),mailbox);
|
|
|
610 mm_log (tmp,ERROR); /* pass up error */
|
|
|
611 return NIL; /* always fails */
|
|
|
612 }
|
|
|
613 if (fd >= 0) { /* found file? */
|
|
|
614 fstat (fd,&sbuf); /* get its size */
|
|
|
615 close (fd); /* toss out the fd */
|
|
|
616 if (sbuf.st_size) ts = NIL; /* non-empty file? */
|
|
|
617 }
|
|
|
618 if (ts) return (*ts->dtb->append) (stream,mailbox,af,data);
|
|
|
619 sprintf (tmp,"Indeterminate mailbox format: %s",mailbox);
|
|
|
620 mm_log (tmp,ERROR);
|
|
|
621 return NIL;
|
|
|
622 }
|
|
|
623
|
|
|
624 /* Return bad file name error message
|
|
|
625 * Accepts: temporary buffer
|
|
|
626 * file name
|
|
|
627 * Returns: long NIL always
|
|
|
628 */
|
|
|
629
|
|
|
630 long dummy_badname (char *tmp,char *s)
|
|
|
631 {
|
|
|
632 sprintf (tmp,"Invalid mailbox name: %s",s);
|
|
|
633 mm_log (tmp,ERROR);
|
|
|
634 return (long) NIL;
|
|
|
635 }
|
|
|
636
|
|
|
637
|
|
|
638 /* Dummy canonicalize name
|
|
|
639 * Accepts: buffer to write name
|
|
|
640 * reference
|
|
|
641 * pattern
|
|
|
642 * Returns: T if success, NIL if failure
|
|
|
643 */
|
|
|
644
|
|
|
645 long dummy_canonicalize (char *tmp,char *ref,char *pat)
|
|
|
646 {
|
|
|
647 unsigned long i;
|
|
|
648 char *s,dev[4];
|
|
|
649 /* initially no device */
|
|
|
650 dev[0] = dev[1] = dev[2] = dev[3] = '\0';
|
|
|
651 if (ref) switch (*ref) { /* preliminary reference check */
|
|
|
652 case '{': /* remote names not allowed */
|
|
|
653 return NIL; /* disallowed */
|
|
|
654 case '\0': /* empty reference string */
|
|
|
655 break;
|
|
|
656 default: /* all other names */
|
|
|
657 if (ref[1] == ':') { /* start with device name? */
|
|
|
658 dev[0] = *ref++; dev[1] = *ref++;
|
|
|
659 }
|
|
|
660 break;
|
|
|
661 }
|
|
|
662 if (pat[1] == ':') { /* device name in pattern? */
|
|
|
663 dev[0] = *pat++; dev[1] = *pat++;
|
|
|
664 ref = NIL; /* ignore reference */
|
|
|
665 }
|
|
|
666 switch (*pat) {
|
|
|
667 case '#': /* namespace names */
|
|
|
668 if (mailboxfile (tmp,pat)) strcpy (tmp,pat);
|
|
|
669 else return NIL; /* unknown namespace */
|
|
|
670 break;
|
|
|
671 case '{': /* remote names not allowed */
|
|
|
672 return NIL;
|
|
|
673 case '\\': /* rooted name */
|
|
|
674 ref = NIL; /* ignore reference */
|
|
|
675 break;
|
|
|
676 }
|
|
|
677 /* make sure device names are rooted */
|
|
|
678 if (dev[0] && (*(ref ? ref : pat) != '\\')) dev[2] = '\\';
|
|
|
679 /* build name */
|
|
|
680 sprintf (tmp,"%s%s%s",dev,ref ? ref : "",pat);
|
|
|
681 ucase (tmp); /* force upper case */
|
|
|
682 /* count wildcards */
|
|
|
683 for (i = 0, s = tmp; *s; *s++) if ((*s == '*') || (*s == '%')) ++i;
|
|
|
684 if (i > MAXWILDCARDS) { /* ridiculous wildcarding? */
|
|
|
685 MM_LOG ("Excessive wildcards in LIST/LSUB",ERROR);
|
|
|
686 return NIL;
|
|
|
687 }
|
|
|
688 return T;
|
|
|
689 }
|
