Mercurial > dovecot > original-hg > dovecot-1.2

annotate src/lib-storage/list/mailbox-list-maildir-iter.c @ 5842:77a399a5eb2a HEAD

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crashfix
author Timo Sirainen <tss@iki.fi>
date Sat, 30 Jun 2007 00:48:10 +0300
parents 1983995ae243
children f0685f6ec951
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1 /* Copyright (C) 2002-2006 Timo Sirainen */
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2
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3 #include "lib.h"
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4 #include "str.h"
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5 #include "home-expand.h"
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6 #include "imap-match.h"
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7 #include "mailbox-tree.h"
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8 #include "mailbox-list-subscriptions.h"
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9 #include "mailbox-list-maildir.h"
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10
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11 #include <dirent.h>
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12
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13 struct maildir_list_iterate_context {
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14 struct mailbox_list_iterate_context ctx;
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15 pool_t pool;
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16
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17 const char *dir, *prefix;
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18
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19 struct mailbox_tree_context *tree_ctx;
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20 struct mailbox_tree_iterate_context *tree_iter;
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21
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22 struct mailbox_info info;
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23 };
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24
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25 static int
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26 maildir_fill_readdir(struct maildir_list_iterate_context *ctx,
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27 struct imap_match_glob *glob, bool update_only)
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28 {
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29 DIR *dirp;
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30 struct dirent *d;
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31 const char *p, *mailbox_c;
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32 string_t *mailbox;
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33 enum mailbox_info_flags flags;
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34 enum imap_match_result match;
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35 struct mailbox_node *node;
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36 bool created;
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37 char hierarchy_sep;
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38 int ret;
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39
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40 dirp = opendir(ctx->dir);
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41 if (dirp == NULL) {
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42 if (errno != ENOENT) {
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43 mailbox_list_set_critical(ctx->ctx.list,
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44 "opendir(%s) failed: %m", ctx->dir);
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45 return -1;
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46 }
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47 return 0;
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48 }
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49
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50 hierarchy_sep = ctx->ctx.list->hierarchy_sep;
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51
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52 t_push();
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53 mailbox = t_str_new(PATH_MAX);
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54 while ((d = readdir(dirp)) != NULL) {
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55 const char *fname = d->d_name;
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56
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57 if (fname[0] != hierarchy_sep)
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58 continue;
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59
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60 /* skip . and .. */
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61 if (fname[0] == '.' &&
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62 (fname[1] == '\0' || (fname[1] == '.' && fname[2] == '\0')))
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63 continue;
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64
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65 /* make sure the pattern matches */
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66 str_truncate(mailbox, 0);
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67 str_append(mailbox, ctx->prefix);
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68 str_append(mailbox, fname + 1);
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69 mailbox_c = str_c(mailbox);
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70
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71 match = imap_match(glob, mailbox_c);
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72
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73 if (match != IMAP_MATCH_YES &&
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74 match != IMAP_MATCH_PARENT)
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75 continue;
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76
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77 /* check if this is an actual mailbox */
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78 flags = 0;
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79 ret = ctx->ctx.list->v.
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80 iter_is_mailbox(&ctx->ctx, ctx->dir, fname,
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81 mailbox_list_get_file_type(d), &flags);
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82 if (ret < 0) {
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83 t_pop();
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84 return -1;
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85 }
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86 if (ret == 0)
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87 continue;
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88
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89 if (match == IMAP_MATCH_PARENT) {
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90 /* get the name of the parent mailbox that matches */
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91 t_push();
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92 while ((p = strrchr(mailbox_c,
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93 hierarchy_sep)) != NULL) {
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94 str_truncate(mailbox, (size_t) (p-mailbox_c));
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95 mailbox_c = str_c(mailbox);
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96 if (imap_match(glob, mailbox_c) ==
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97 IMAP_MATCH_YES)
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98 break;
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99 }
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100 i_assert(p != NULL);
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101
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102 created = FALSE;
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103 node = update_only ?
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104 mailbox_tree_lookup(ctx->tree_ctx, mailbox_c) :
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105 mailbox_tree_get(ctx->tree_ctx,
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106 mailbox_c, &created);
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107 if (node != NULL) {
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108 if (created) {
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109 /* we haven't yet seen this mailbox,
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110 but we might see it later */
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111 node->flags = MAILBOX_NONEXISTENT;
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112 }
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113 if (!update_only)
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114 node->flags |= MAILBOX_MATCHED;
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115 node->flags |= MAILBOX_CHILDREN;
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116 node->flags &= ~MAILBOX_NOCHILDREN;
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117 }
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118
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119 t_pop();
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120 } else {
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121 created = FALSE;
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122 node = update_only ?
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123 mailbox_tree_lookup(ctx->tree_ctx, mailbox_c) :
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124 mailbox_tree_get(ctx->tree_ctx,
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125 mailbox_c, &created);
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126
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127 if (node != NULL) {
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128 if (created)
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129 node->flags = MAILBOX_NOCHILDREN;
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130 else
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131 node->flags &= ~MAILBOX_NONEXISTENT;
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132 if (!update_only)
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133 node->flags |= MAILBOX_MATCHED;
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134 }
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135 }
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136 if (node != NULL) {
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137 /* apply flags given by storage. we know the children
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138 flags ourself, so ignore if any of them were set. */
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139 node->flags |= flags & ~(MAILBOX_NOINFERIORS |
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140 MAILBOX_CHILDREN |
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141 MAILBOX_NOCHILDREN);
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142
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143 /* Fix parent nodes' children states. also if we
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144 happened to create any of the parents, we need to
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diff changeset
145 mark them nonexistent. */
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146 node = node->parent;
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diff changeset
147 for (; node != NULL; node = node->parent) {
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148 if ((node->flags & MAILBOX_MATCHED) == 0)
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149 node->flags |= MAILBOX_NONEXISTENT;
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diff changeset
150
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diff changeset
151 node->flags |= MAILBOX_CHILDREN;
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diff changeset
152 node->flags &= ~MAILBOX_NOCHILDREN;
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153 }
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beabd433cdae Moved delete/rename operations to mailbox_list API. Fixed mbox/maildir to
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154 }
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155 }
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156 t_pop();
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diff changeset
157
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158 if (closedir(dirp) < 0) {
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diff changeset
159 mailbox_list_set_critical(ctx->ctx.list,
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160 "readdir(%s) failed: %m", ctx->dir);
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161 return -1;
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162 }
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163
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164 if ((ctx->ctx.list->ns->flags & NAMESPACE_FLAG_INBOX) != 0) {
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165 /* make sure INBOX is there */
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166 created = FALSE;
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167 node = update_only ?
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168 mailbox_tree_lookup(ctx->tree_ctx, "INBOX") :
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169 mailbox_tree_get(ctx->tree_ctx, "INBOX", &created);
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170 if (created)
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171 node->flags = MAILBOX_NOCHILDREN;
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77a399a5eb2a crashfix
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172 else if (node != NULL)
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967de900c73a Mailbox list indexing and related changes. Currently works only with
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173 node->flags &= ~MAILBOX_NONEXISTENT;
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174
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175 switch (imap_match(glob, "INBOX")) {
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176 case IMAP_MATCH_YES:
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177 case IMAP_MATCH_PARENT:
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178 if (!update_only)
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179 node->flags |= MAILBOX_MATCHED;
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180 break;
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181 default:
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182 break;
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183 }
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184 }
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185 return 0;
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186 }
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187
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188 struct mailbox_list_iterate_context *
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189 maildir_list_iter_init(struct mailbox_list *_list, const char *pattern,
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190 enum mailbox_list_iter_flags flags)
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191 {
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192 struct maildir_list_iterate_context *ctx;
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193 struct imap_match_glob *glob;
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194 const char *dir, *p;
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195 pool_t pool;
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196
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197 pool = pool_alloconly_create("maildir_list", 1024);
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198 ctx = p_new(pool, struct maildir_list_iterate_context, 1);
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199 ctx->ctx.list = _list;
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200 ctx->ctx.flags = flags;
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201 ctx->pool = pool;
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202 ctx->tree_ctx = mailbox_tree_init(_list->hierarchy_sep);
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203
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204 glob = imap_match_init(pool, pattern, TRUE, _list->hierarchy_sep);
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205
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206 ctx->dir = _list->set.root_dir;
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207 ctx->prefix = "";
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208
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diff changeset
209 if ((flags & MAILBOX_LIST_ITER_SELECT_SUBSCRIBED) != 0) {
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210 /* Listing only subscribed mailboxes.
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211 Flags are set later if needed. */
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diff changeset
212 if (mailbox_list_subscriptions_fill(&ctx->ctx, ctx->tree_ctx,
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diff changeset
213 glob, FALSE) < 0) {
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214 ctx->ctx.failed = TRUE;
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215 return &ctx->ctx;
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216 }
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b5404d36494f cleanup
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217 } else if ((_list->flags & MAILBOX_LIST_FLAG_FULL_FS_ACCESS) != 0 &&
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218 (p = strrchr(pattern, '/')) != NULL) {
5829
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diff changeset
219 /* Listing non-default maildir */
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978722ad6184 s/mask/pattern/ for mailbox listing.
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220 dir = t_strdup_until(pattern, p);
978722ad6184 s/mask/pattern/ for mailbox listing.
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diff changeset
221 ctx->prefix = p_strdup_until(pool, pattern, p+1);
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222
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223 if (*pattern != '/' && *pattern != '~')
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diff changeset
224 dir = t_strconcat(_list->set.root_dir, "/", dir, NULL);
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225 ctx->dir = p_strdup(pool, home_expand(dir));
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226 }
93bc9770f938 Initial code for separation of mailbox accessing and directory layout
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diff changeset
227
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diff changeset
228 if ((flags & MAILBOX_LIST_ITER_SELECT_SUBSCRIBED) == 0 ||
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diff changeset
229 (flags & MAILBOX_LIST_ITER_RETURN_NO_FLAGS) == 0) {
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diff changeset
230 /* Add/update mailbox list with flags */
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Timo Sirainen <tss@iki.fi>
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diff changeset
231 bool update_only =
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diff changeset
232 (flags & MAILBOX_LIST_ITER_SELECT_SUBSCRIBED) != 0;
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diff changeset
233
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diff changeset
234 if (maildir_fill_readdir(ctx, glob, update_only) < 0) {
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diff changeset
235 ctx->ctx.failed = TRUE;
93bc9770f938 Initial code for separation of mailbox accessing and directory layout
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diff changeset
236 return &ctx->ctx;
93bc9770f938 Initial code for separation of mailbox accessing and directory layout
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diff changeset
237 }
93bc9770f938 Initial code for separation of mailbox accessing and directory layout
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diff changeset
238 }
93bc9770f938 Initial code for separation of mailbox accessing and directory layout
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diff changeset
239
5829
1d73153584d2 Mailbox listing API changed to support more features. Used to implement
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diff changeset
240 if ((flags & MAILBOX_LIST_ITER_RETURN_SUBSCRIBED) != 0 &&
1d73153584d2 Mailbox listing API changed to support more features. Used to implement
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parents: 5808
diff changeset
241 (flags & MAILBOX_LIST_ITER_SELECT_SUBSCRIBED) == 0) {
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diff changeset
242 /* we're listing all mailboxes but we want to know
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Timo Sirainen <tss@iki.fi>
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diff changeset
243 \Subscribed flags */
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Timo Sirainen <tss@iki.fi>
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diff changeset
244 if (mailbox_list_subscriptions_fill(&ctx->ctx, ctx->tree_ctx,
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Timo Sirainen <tss@iki.fi>
parents: 5808
diff changeset
245 glob, TRUE) < 0) {
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diff changeset
246 ctx->ctx.failed = TRUE;
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diff changeset
247 return &ctx->ctx;
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diff changeset
248 }
1d73153584d2 Mailbox listing API changed to support more features. Used to implement
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diff changeset
249 }
1d73153584d2 Mailbox listing API changed to support more features. Used to implement
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diff changeset
250
5547
c03655b70b57 Moved mailbox_tree iteration code from maildir++ to common code, and rewrote
Timo Sirainen <tss@iki.fi>
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diff changeset
251 ctx->tree_iter = mailbox_tree_iterate_init(ctx->tree_ctx, NULL,
5829
1d73153584d2 Mailbox listing API changed to support more features. Used to implement
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diff changeset
252 MAILBOX_MATCHED);
4808
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diff changeset
253 return &ctx->ctx;
93bc9770f938 Initial code for separation of mailbox accessing and directory layout
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parents:
diff changeset
254 }
93bc9770f938 Initial code for separation of mailbox accessing and directory layout
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diff changeset
255
93bc9770f938 Initial code for separation of mailbox accessing and directory layout
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parents:
diff changeset
256 int maildir_list_iter_deinit(struct mailbox_list_iterate_context *_ctx)
93bc9770f938 Initial code for separation of mailbox accessing and directory layout
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parents:
diff changeset
257 {
93bc9770f938 Initial code for separation of mailbox accessing and directory layout
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parents:
diff changeset
258 struct maildir_list_iterate_context *ctx =
93bc9770f938 Initial code for separation of mailbox accessing and directory layout
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parents:
diff changeset
259 (struct maildir_list_iterate_context *)_ctx;
93bc9770f938 Initial code for separation of mailbox accessing and directory layout
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diff changeset
260 int ret = ctx->ctx.failed ? -1 : 0;
93bc9770f938 Initial code for separation of mailbox accessing and directory layout
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diff changeset
261
5547
c03655b70b57 Moved mailbox_tree iteration code from maildir++ to common code, and rewrote
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diff changeset
262 if (ctx->tree_iter != NULL)
c03655b70b57 Moved mailbox_tree iteration code from maildir++ to common code, and rewrote
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diff changeset
263 mailbox_tree_iterate_deinit(&ctx->tree_iter);
c03655b70b57 Moved mailbox_tree iteration code from maildir++ to common code, and rewrote
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parents: 5473
diff changeset
264 mailbox_tree_deinit(&ctx->tree_ctx);
4808
93bc9770f938 Initial code for separation of mailbox accessing and directory layout
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diff changeset
265 pool_unref(ctx->pool);
93bc9770f938 Initial code for separation of mailbox accessing and directory layout
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diff changeset
266 return ret;
93bc9770f938 Initial code for separation of mailbox accessing and directory layout
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parents:
diff changeset
267 }
93bc9770f938 Initial code for separation of mailbox accessing and directory layout
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diff changeset
268
5807
ec09ad1d017f mailbox_list_iter_next() returns now const pointer.
Timo Sirainen <tss@iki.fi>
parents: 5567
diff changeset
269 const struct mailbox_info *
4808
93bc9770f938 Initial code for separation of mailbox accessing and directory layout
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diff changeset
270 maildir_list_iter_next(struct mailbox_list_iterate_context *_ctx)
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diff changeset
271 {
93bc9770f938 Initial code for separation of mailbox accessing and directory layout
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diff changeset
272 struct maildir_list_iterate_context *ctx =
93bc9770f938 Initial code for separation of mailbox accessing and directory layout
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diff changeset
273 (struct maildir_list_iterate_context *)_ctx;
93bc9770f938 Initial code for separation of mailbox accessing and directory layout
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parents:
diff changeset
274 struct mailbox_node *node;
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diff changeset
275
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c03655b70b57 Moved mailbox_tree iteration code from maildir++ to common code, and rewrote
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diff changeset
276 if (ctx->ctx.failed)
c03655b70b57 Moved mailbox_tree iteration code from maildir++ to common code, and rewrote
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diff changeset
277 return NULL;
4808
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diff changeset
278
5547
c03655b70b57 Moved mailbox_tree iteration code from maildir++ to common code, and rewrote
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diff changeset
279 node = mailbox_tree_iterate_next(ctx->tree_iter, &ctx->info.name);
c03655b70b57 Moved mailbox_tree iteration code from maildir++ to common code, and rewrote
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diff changeset
280 if (node == NULL)
c03655b70b57 Moved mailbox_tree iteration code from maildir++ to common code, and rewrote
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diff changeset
281 return NULL;
4808
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diff changeset
282
93bc9770f938 Initial code for separation of mailbox accessing and directory layout
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diff changeset
283 ctx->info.flags = node->flags;
93bc9770f938 Initial code for separation of mailbox accessing and directory layout
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parents:
diff changeset
284 return &ctx->info;
93bc9770f938 Initial code for separation of mailbox accessing and directory layout
Timo Sirainen <tss@iki.fi>
parents:
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