annotate src/lib-storage/mail-storage.c @ 1138:340dea0150bf HEAD

Added client_workarounds setting, with currently one workaround for OE6.
author Timo Sirainen <tss@iki.fi>
date Tue, 11 Feb 2003 12:30:29 +0200
parents fd8888f6f037
children 058f6c26f405
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1 /* Copyright (C) 2002 Timo Sirainen */
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2
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3 #include "lib.h"
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4 #include "ioloop.h"
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5 #include "mail-storage.h"
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6
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7 #include <stdlib.h>
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8 #include <time.h>
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9 #include <ctype.h>
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10
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11 /* Message to show to users when critical error occurs */
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12 #define CRITICAL_MSG "Internal error [%Y-%m-%d %H:%M:%S]"
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13
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14 struct mail_storage_list {
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15 struct mail_storage_list *next;
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16 struct mail_storage *storage;
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17 };
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18
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19 struct client_workaround_list {
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20 const char *name;
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21 enum client_workarounds num;
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22 };
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23
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24 struct client_workaround_list client_workaround_list[] = {
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25 { "oe6-fetch-no-newmail", WORKAROUND_OE6_FETCH_NO_NEWMAIL },
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26 { NULL, 0 }
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27 };
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28
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29 static struct mail_storage_list *storages = NULL;
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30 enum client_workarounds client_workarounds = 0;
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31
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32 void mail_storage_init(void)
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33 {
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34 struct client_workaround_list *list;
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35 const char *env;
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36 const char *const *str;
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37
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38 env = getenv("CLIENT_WORKAROUNDS");
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39 if (env == NULL)
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40 return;
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41
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42 for (str = t_strsplit(env, " "); *str != NULL; str++) {
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43 list = client_workaround_list;
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44 for (; list->name != NULL; list++) {
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45 if (strcasecmp(*str, list->name) == 0)
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46 client_workarounds |= list->num;
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47 else
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48 i_fatal("Unknown client workaround: %s", *str);
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49 }
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50 }
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51 }
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52
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53 void mail_storage_class_register(struct mail_storage *storage_class)
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54 {
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55 struct mail_storage_list *list, **pos;
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56
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57 list = i_new(struct mail_storage_list, 1);
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58 list->storage = storage_class;
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59
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60 /* append it after the list, so the autodetection order is correct */
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61 pos = &storages;
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62 while (*pos != NULL)
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63 pos = &(*pos)->next;
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64 *pos = list;
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65 }
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66
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67 void mail_storage_class_unregister(struct mail_storage *storage_class)
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68 {
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69 struct mail_storage_list **list, *next;
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70
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71 for (list = &storages; *list != NULL; list = &(*list)->next) {
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72 if ((*list)->storage == storage_class) {
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73 next = (*list)->next;
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74
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75 (*list)->storage->free((*list)->storage);
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76 i_free(*list);
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77
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78 *list = next;
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79 }
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80 }
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81 }
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82
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83 struct mail_storage *mail_storage_create(const char *name, const char *data,
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84 const char *user)
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85 {
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86 struct mail_storage_list *list;
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87
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88 i_assert(name != NULL);
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89
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90 for (list = storages; list != NULL; list = list->next) {
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91 if (strcasecmp(list->storage->name, name) == 0)
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92 return list->storage->create(data, user);
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93 }
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94
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95 return NULL;
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96 }
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97
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98 struct mail_storage *mail_storage_create_default(const char *user)
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99 {
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100 struct mail_storage_list *list;
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101 struct mail_storage *storage;
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102
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103 for (list = storages; list != NULL; list = list->next) {
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104 storage = list->storage->create(NULL, user);
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105 if (storage != NULL)
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106 return storage;
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107 }
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108
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109 return NULL;
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110 }
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111
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112 static struct mail_storage *mail_storage_autodetect(const char *data)
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113 {
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114 struct mail_storage_list *list;
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115
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116 for (list = storages; list != NULL; list = list->next) {
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117 if (list->storage->autodetect(data))
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118 return list->storage;
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119 }
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120
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121 return NULL;
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122 }
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123
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124 struct mail_storage *mail_storage_create_with_data(const char *data,
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125 const char *user)
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126 {
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127 struct mail_storage *storage;
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128 const char *p, *name;
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129
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130 if (data == NULL || *data == '\0')
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131 return mail_storage_create_default(user);
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132
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133 /* check if we're in the form of mailformat:data
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134 (eg. maildir:Maildir) */
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135 p = data;
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136 while (i_isalnum(*p)) p++;
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137
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138 if (*p == ':') {
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139 name = t_strdup_until(data, p);
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140 storage = mail_storage_create(name, p+1, user);
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141 } else {
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142 storage = mail_storage_autodetect(data);
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143 if (storage != NULL)
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144 storage = storage->create(data, user);
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145 }
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146
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147 return storage;
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148 }
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149
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150 void mail_storage_destroy(struct mail_storage *storage)
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151 {
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152 i_assert(storage != NULL);
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153
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154 i_free(storage->dir);
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155 i_free(storage);
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156 }
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157
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158 void mail_storage_clear_error(struct mail_storage *storage)
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159 {
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160 i_free(storage->error);
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161 storage->error = NULL;
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162
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163 storage->syntax_error = FALSE;
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164 }
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165
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166 void mail_storage_set_error(struct mail_storage *storage, const char *fmt, ...)
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167 {
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168 va_list va;
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169
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170 i_free(storage->error);
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171
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172 if (fmt == NULL)
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173 storage->error = NULL;
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174 else {
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175 va_start(va, fmt);
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176 storage->error = i_strdup_vprintf(fmt, va);
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177 storage->syntax_error = FALSE;
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178 va_end(va);
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179 }
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180 }
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181
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182 void mail_storage_set_syntax_error(struct mail_storage *storage,
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183 const char *fmt, ...)
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184 {
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185 va_list va;
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186
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187 i_free(storage->error);
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188
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189 if (fmt == NULL)
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190 storage->error = NULL;
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191 else {
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192 va_start(va, fmt);
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193 storage->error = i_strdup_vprintf(fmt, va);
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194 storage->syntax_error = TRUE;
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195 va_end(va);
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196 }
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197 }
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198
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199 void mail_storage_set_internal_error(struct mail_storage *storage)
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200 {
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201 struct tm *tm;
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202 char str[256];
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203
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204 tm = localtime(&ioloop_time);
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205
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206 storage->error = strftime(str, sizeof(str), CRITICAL_MSG, tm) > 0 ?
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207 i_strdup(str) : i_strdup("Internal error");
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208 storage->syntax_error = FALSE;
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209 }
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210
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211 void mail_storage_set_critical(struct mail_storage *storage,
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212 const char *fmt, ...)
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213 {
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214 va_list va;
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215
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216 i_free(storage->error);
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217 if (fmt == NULL)
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218 storage->error = NULL;
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219 else {
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220 va_start(va, fmt);
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221 i_error("%s", t_strdup_vprintf(fmt, va));
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222 va_end(va);
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223
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224 /* critical errors may contain sensitive data, so let user
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225 see only "Internal error" with a timestamp to make it
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226 easier to look from log files the actual error message. */
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227 mail_storage_set_internal_error(storage);
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228 }
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229 }
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230
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231 const char *mail_storage_get_last_error(struct mail_storage *storage,
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232 int *syntax)
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233 {
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234 if (syntax != NULL)
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235 *syntax = storage->syntax_error;
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236 return storage->error;
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237 }
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238
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239 int mail_storage_is_inconsistency_error(struct mailbox *box)
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240 {
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241 return box->inconsistent;
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242 }