virtual-config.c revision fb297df915b623e8d83632abcd42182cbd86174a
45312f52ff3a3d4c137447be4c7556500c2f8bf2Timo Sirainen/* Copyright (c) 2008-2016 Dovecot authors, see the included COPYING file */
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen#include "lib.h"
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen#include "array.h"
7e209b78ca757294dbbc15604c88673b3a6b0c39Timo Sirainen#include "crc32.h"
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen#include "istream.h"
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen#include "str.h"
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen#include "unichar.h"
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen#include "imap-parser.h"
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen#include "imap-match.h"
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen#include "mail-namespace.h"
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen#include "mail-search-build.h"
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen#include "mail-search-parser.h"
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen#include "mailbox-list-iter.h"
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen#include "virtual-storage.h"
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen#include "virtual-plugin.h"
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen#include <unistd.h>
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen#include <fcntl.h>
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainenstruct virtual_parse_context {
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen struct virtual_mailbox *mbox;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen struct istream *input;
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen pool_t pool;
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen string_t *rule;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen unsigned int rule_idx;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen
db0735f9b388c5bcfb781b1b25015e898d63d953Timo Sirainen char sep;
db0735f9b388c5bcfb781b1b25015e898d63d953Timo Sirainen bool have_wildcards;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen bool have_mailbox_defines;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen};
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainenstatic struct mail_search_args *
db0735f9b388c5bcfb781b1b25015e898d63d953Timo Sirainenvirtual_search_args_parse(const string_t *rule, const char **error_r)
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen{
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen struct istream *input;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen struct imap_parser *imap_parser;
6b265a8a9d1ce3b3a8033445e99c9035d62ffbc7Timo Sirainen const struct imap_arg *args;
6b265a8a9d1ce3b3a8033445e99c9035d62ffbc7Timo Sirainen struct mail_search_parser *parser;
6b265a8a9d1ce3b3a8033445e99c9035d62ffbc7Timo Sirainen struct mail_search_args *sargs;
6b265a8a9d1ce3b3a8033445e99c9035d62ffbc7Timo Sirainen const char *charset = "UTF-8";
6b265a8a9d1ce3b3a8033445e99c9035d62ffbc7Timo Sirainen bool fatal;
6b265a8a9d1ce3b3a8033445e99c9035d62ffbc7Timo Sirainen int ret;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen if (str_len(rule) == 0) {
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen sargs = mail_search_build_init();
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen mail_search_build_add_all(sargs);
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen return sargs;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen }
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen input = i_stream_create_from_data(str_data(rule), str_len(rule));
db0735f9b388c5bcfb781b1b25015e898d63d953Timo Sirainen (void)i_stream_read(input);
db0735f9b388c5bcfb781b1b25015e898d63d953Timo Sirainen
db0735f9b388c5bcfb781b1b25015e898d63d953Timo Sirainen imap_parser = imap_parser_create(input, NULL, (size_t)-1);
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen ret = imap_parser_finish_line(imap_parser, 0, 0, &args);
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen if (ret < 0) {
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen sargs = NULL;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen *error_r = t_strdup(imap_parser_get_error(imap_parser, &fatal));
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen } else {
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen parser = mail_search_parser_init_imap(args);
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen if (mail_search_build(mail_search_register_get_imap(),
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen parser, &charset, &sargs, error_r) < 0)
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen sargs = NULL;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen mail_search_parser_deinit(&parser);
db0735f9b388c5bcfb781b1b25015e898d63d953Timo Sirainen }
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen imap_parser_unref(&imap_parser);
66c0f96d704f09c88dd03b0ee13a3e9711ffe593Timo Sirainen i_stream_destroy(&input);
66c0f96d704f09c88dd03b0ee13a3e9711ffe593Timo Sirainen return sargs;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen}
66c0f96d704f09c88dd03b0ee13a3e9711ffe593Timo Sirainen
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainenstatic int
7e209b78ca757294dbbc15604c88673b3a6b0c39Timo Sirainenvirtual_config_add_rule(struct virtual_parse_context *ctx, const char **error_r)
7e209b78ca757294dbbc15604c88673b3a6b0c39Timo Sirainen{
db0735f9b388c5bcfb781b1b25015e898d63d953Timo Sirainen struct virtual_backend_box *const *bboxes;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen struct mail_search_args *search_args;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen unsigned int i, count;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen *error_r = NULL;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen if (ctx->rule_idx == array_count(&ctx->mbox->backend_boxes)) {
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen i_assert(str_len(ctx->rule) == 0);
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen return 0;
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen }
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen ctx->mbox->search_args_crc32 =
db0735f9b388c5bcfb781b1b25015e898d63d953Timo Sirainen crc32_str_more(ctx->mbox->search_args_crc32, str_c(ctx->rule));
db0735f9b388c5bcfb781b1b25015e898d63d953Timo Sirainen search_args = virtual_search_args_parse(ctx->rule, error_r);
db0735f9b388c5bcfb781b1b25015e898d63d953Timo Sirainen str_truncate(ctx->rule, 0);
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen if (search_args == NULL) {
db0735f9b388c5bcfb781b1b25015e898d63d953Timo Sirainen i_assert(*error_r != NULL);
db0735f9b388c5bcfb781b1b25015e898d63d953Timo Sirainen *error_r = t_strconcat("Previous search rule is invalid: ",
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen *error_r, NULL);
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen return -1;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen }
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen /* update at all the mailboxes that were introduced since the previous
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen rule. */
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen bboxes = array_get(&ctx->mbox->backend_boxes, &count);
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen i_assert(ctx->rule_idx < count);
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen for (i = ctx->rule_idx; i < count; i++) {
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen i_assert(bboxes[i]->search_args == NULL);
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen mail_search_args_ref(search_args);
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen bboxes[i]->search_args = search_args;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen }
67770c0874918e3b73bbd1ff75b5ec91790d51dcTimo Sirainen mail_search_args_unref(&search_args);
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen ctx->rule_idx = array_count(&ctx->mbox->backend_boxes);
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen return 0;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen}
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainenstatic int
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainenvirtual_config_parse_line(struct virtual_parse_context *ctx, const char *line,
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen const char **error_r)
bcdb6c0bd2e7dbb34b306d3d8c2383a7d7654612Timo Sirainen{
bcdb6c0bd2e7dbb34b306d3d8c2383a7d7654612Timo Sirainen struct mail_user *user = ctx->mbox->storage->storage.user;
bcdb6c0bd2e7dbb34b306d3d8c2383a7d7654612Timo Sirainen struct virtual_backend_box *bbox;
bcdb6c0bd2e7dbb34b306d3d8c2383a7d7654612Timo Sirainen const char *name;
bcdb6c0bd2e7dbb34b306d3d8c2383a7d7654612Timo Sirainen
bcdb6c0bd2e7dbb34b306d3d8c2383a7d7654612Timo Sirainen if (*line == ' ' || *line == '\t') {
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen /* continues the previous search rule */
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen if (ctx->rule_idx == array_count(&ctx->mbox->backend_boxes)) {
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen *error_r = "Search rule without a mailbox";
3852872e6954b7132e637294132005e86b8ebd4aTimo Sirainen return -1;
3852872e6954b7132e637294132005e86b8ebd4aTimo Sirainen }
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen while (*line == ' ' || *line == '\t') line++;
fb5b342aab25d6dc96df14774eb5215dc5481546Timo Sirainen str_append_c(ctx->rule, ' ');
1330f999b8076b2f8eed2572c667f7482a555c1bTimo Sirainen str_append(ctx->rule, line);
1330f999b8076b2f8eed2572c667f7482a555c1bTimo Sirainen return 0;
1330f999b8076b2f8eed2572c667f7482a555c1bTimo Sirainen }
899ebb8ba3fbebaafd3e431943283719ce2b106dTimo Sirainen /* if there is no rule yet, it means we want the previous mailboxes
899ebb8ba3fbebaafd3e431943283719ce2b106dTimo Sirainen to use the rule that comes later */
899ebb8ba3fbebaafd3e431943283719ce2b106dTimo Sirainen if (str_len(ctx->rule) > 0) {
899ebb8ba3fbebaafd3e431943283719ce2b106dTimo Sirainen if (virtual_config_add_rule(ctx, error_r) < 0)
899ebb8ba3fbebaafd3e431943283719ce2b106dTimo Sirainen return -1;
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen }
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen if (!uni_utf8_str_is_valid(line)) {
3852872e6954b7132e637294132005e86b8ebd4aTimo Sirainen *error_r = t_strdup_printf("Mailbox name not UTF-8: %s",
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen line);
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen return -1;
c115c742f730e312d6b6ab5064595cd0d8b4e26eTimo Sirainen }
c115c742f730e312d6b6ab5064595cd0d8b4e26eTimo Sirainen
c115c742f730e312d6b6ab5064595cd0d8b4e26eTimo Sirainen /* new mailbox. the search args are added to it later. */
c115c742f730e312d6b6ab5064595cd0d8b4e26eTimo Sirainen bbox = p_new(ctx->pool, struct virtual_backend_box, 1);
c115c742f730e312d6b6ab5064595cd0d8b4e26eTimo Sirainen bbox->virtual_mbox = ctx->mbox;
c115c742f730e312d6b6ab5064595cd0d8b4e26eTimo Sirainen if (strcasecmp(line, "INBOX") == 0)
c115c742f730e312d6b6ab5064595cd0d8b4e26eTimo Sirainen line = "INBOX";
c115c742f730e312d6b6ab5064595cd0d8b4e26eTimo Sirainen bbox->name = p_strdup(ctx->pool, line);
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen if (bbox->name[0] == '+') {
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen bbox->name++;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen bbox->clear_recent = TRUE;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen }
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen
3852872e6954b7132e637294132005e86b8ebd4aTimo Sirainen if (strchr(bbox->name, '*') != NULL ||
3852872e6954b7132e637294132005e86b8ebd4aTimo Sirainen strchr(bbox->name, '%') != NULL) {
3852872e6954b7132e637294132005e86b8ebd4aTimo Sirainen name = bbox->name[0] == '-' ? bbox->name + 1 : bbox->name;
3852872e6954b7132e637294132005e86b8ebd4aTimo Sirainen bbox->glob = imap_match_init(ctx->pool, name, TRUE, ctx->sep);
b8835b8a21c617ceb82ddc5a176243faf36aa8f7Timo Sirainen ctx->have_wildcards = TRUE;
b8835b8a21c617ceb82ddc5a176243faf36aa8f7Timo Sirainen } else if (bbox->name[0] == '!') {
3852872e6954b7132e637294132005e86b8ebd4aTimo Sirainen /* save messages here */
3852872e6954b7132e637294132005e86b8ebd4aTimo Sirainen if (ctx->mbox->save_bbox != NULL) {
3852872e6954b7132e637294132005e86b8ebd4aTimo Sirainen *error_r = "Multiple save mailboxes defined";
b8835b8a21c617ceb82ddc5a176243faf36aa8f7Timo Sirainen return -1;
3852872e6954b7132e637294132005e86b8ebd4aTimo Sirainen }
3852872e6954b7132e637294132005e86b8ebd4aTimo Sirainen bbox->name++;
3852872e6954b7132e637294132005e86b8ebd4aTimo Sirainen ctx->mbox->save_bbox = bbox;
3852872e6954b7132e637294132005e86b8ebd4aTimo Sirainen }
b8835b8a21c617ceb82ddc5a176243faf36aa8f7Timo Sirainen /* now that the prefix characters have been processed,
b8835b8a21c617ceb82ddc5a176243faf36aa8f7Timo Sirainen find the namespace */
b8835b8a21c617ceb82ddc5a176243faf36aa8f7Timo Sirainen bbox->ns = strcasecmp(bbox->name, "INBOX") == 0 ?
3852872e6954b7132e637294132005e86b8ebd4aTimo Sirainen mail_namespace_find_inbox(user->namespaces) :
b8835b8a21c617ceb82ddc5a176243faf36aa8f7Timo Sirainen mail_namespace_find(user->namespaces, bbox->name);
b8835b8a21c617ceb82ddc5a176243faf36aa8f7Timo Sirainen if (bbox->ns == NULL) {
b8835b8a21c617ceb82ddc5a176243faf36aa8f7Timo Sirainen *error_r = t_strdup_printf("Namespace not found for %s",
b8835b8a21c617ceb82ddc5a176243faf36aa8f7Timo Sirainen bbox->name);
b8835b8a21c617ceb82ddc5a176243faf36aa8f7Timo Sirainen return -1;
3852872e6954b7132e637294132005e86b8ebd4aTimo Sirainen }
3852872e6954b7132e637294132005e86b8ebd4aTimo Sirainen if (strcmp(bbox->name, ctx->mbox->box.vname) == 0) {
3852872e6954b7132e637294132005e86b8ebd4aTimo Sirainen *error_r = "Virtual mailbox can't point to itself";
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen return -1;
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen }
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen ctx->have_mailbox_defines = TRUE;
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen array_append(&ctx->mbox->backend_boxes, &bbox, 1);
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen return 0;
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen}
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainenstatic void
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainenvirtual_mailbox_get_list_patterns(struct virtual_parse_context *ctx)
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen{
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen struct virtual_mailbox *mbox = ctx->mbox;
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen ARRAY_TYPE(mailbox_virtual_patterns) *dest;
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen struct mailbox_virtual_pattern pattern;
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen struct virtual_backend_box *const *bboxes;
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen unsigned int i, count;
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen memset(&pattern, 0, sizeof(pattern));
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen bboxes = array_get_modifiable(&mbox->backend_boxes, &count);
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen p_array_init(&mbox->list_include_patterns, ctx->pool, count);
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen p_array_init(&mbox->list_exclude_patterns, ctx->pool, count);
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen for (i = 0; i < count; i++) {
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen pattern.ns = bboxes[i]->ns;
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen pattern.pattern = bboxes[i]->name;
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen if (*pattern.pattern != '-')
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen dest = &mbox->list_include_patterns;
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen else {
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen dest = &mbox->list_exclude_patterns;
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen pattern.pattern++;
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen }
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen array_append(dest, &pattern, 1);
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen }
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen}
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainenstatic void
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainenseparate_wildcard_mailboxes(struct virtual_mailbox *mbox,
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen ARRAY_TYPE(virtual_backend_box) *wildcard_boxes,
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen ARRAY_TYPE(virtual_backend_box) *neg_boxes)
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen{
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen struct virtual_backend_box *const *bboxes;
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen ARRAY_TYPE(virtual_backend_box) *dest;
7f3b826a89bcb7a72759912e99f574b28309fe1bTimo Sirainen unsigned int i, count;
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen bboxes = array_get_modifiable(&mbox->backend_boxes, &count);
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen t_array_init(wildcard_boxes, I_MIN(16, count));
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen t_array_init(neg_boxes, 4);
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen for (i = 0; i < count;) {
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen if (*bboxes[i]->name == '-')
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen dest = neg_boxes;
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen else if (bboxes[i]->glob != NULL)
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen dest = wildcard_boxes;
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen else {
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen dest = NULL;
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen i++;
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen }
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen if (dest != NULL) {
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen array_append(dest, &bboxes[i], 1);
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen array_delete(&mbox->backend_boxes, i, 1);
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen bboxes = array_get_modifiable(&mbox->backend_boxes,
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen &count);
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen }
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen }
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen}
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainenstatic void virtual_config_copy_expanded(struct virtual_parse_context *ctx,
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen struct virtual_backend_box *wbox,
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen const char *name)
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen{
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen struct virtual_backend_box *bbox;
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen bbox = p_new(ctx->pool, struct virtual_backend_box, 1);
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen *bbox = *wbox;
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen bbox->name = p_strdup(ctx->pool, name);
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen bbox->glob = NULL;
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen bbox->wildcard = TRUE;
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen mail_search_args_ref(bbox->search_args);
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen array_append(&ctx->mbox->backend_boxes, &bbox, 1);
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen}
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainenstatic bool virtual_ns_match(struct mail_namespace *config_ns,
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen struct mail_namespace *iter_ns)
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen{
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen /* we match only one namespace for each pattern, except with shared
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen namespaces match also autocreated children */
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen if (config_ns == iter_ns)
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen return TRUE;
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen if (config_ns->type == iter_ns->type &&
5e203e846133e28d0e36ca70ef1c30e72a922c14Timo Sirainen (config_ns->flags & NAMESPACE_FLAG_AUTOCREATED) == 0 &&
5e203e846133e28d0e36ca70ef1c30e72a922c14Timo Sirainen (iter_ns->flags & NAMESPACE_FLAG_AUTOCREATED) != 0)
5e203e846133e28d0e36ca70ef1c30e72a922c14Timo Sirainen return TRUE;
5e203e846133e28d0e36ca70ef1c30e72a922c14Timo Sirainen if ((iter_ns->flags & NAMESPACE_FLAG_INBOX_USER) != 0 &&
5e203e846133e28d0e36ca70ef1c30e72a922c14Timo Sirainen (config_ns->flags & NAMESPACE_FLAG_AUTOCREATED) != 0 &&
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen config_ns->prefix_len == 0) {
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen /* prefix="" namespace was autocreated, so e.g. "*" would match
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen only that empty namespace. but we want "*" to also match
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen the inbox=yes namespace, so check it here separately. */
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen return TRUE;
d23c747de9d33966483fbdd41f08ad7766da7c5cTimo Sirainen }
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen return FALSE;
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen}
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainenstatic bool virtual_config_match(const struct mailbox_info *info,
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen ARRAY_TYPE(virtual_backend_box) *boxes_arr,
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen unsigned int *idx_r)
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen{
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen struct virtual_backend_box *const *boxes;
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen unsigned int i, count;
107f6e87c6edcb29cf87195357144dea3fdda9afTimo Sirainen
107f6e87c6edcb29cf87195357144dea3fdda9afTimo Sirainen boxes = array_get_modifiable(boxes_arr, &count);
107f6e87c6edcb29cf87195357144dea3fdda9afTimo Sirainen for (i = 0; i < count; i++) {
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen if (boxes[i]->glob != NULL) {
834f2b9f60d93e4c7dfc6992e692f5b7213a1b11Timo Sirainen if (virtual_ns_match(boxes[i]->ns, info->ns) &&
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen imap_match(boxes[i]->glob,
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen info->vname) == IMAP_MATCH_YES) {
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen *idx_r = i;
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen return TRUE;
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen }
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen } else {
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen i_assert(boxes[i]->name[0] == '-');
3b1bf68d26c9f2fe4a649f40cf375d52acffc81cTimo Sirainen if (strcmp(boxes[i]->name + 1, info->vname) == 0) {
3b1bf68d26c9f2fe4a649f40cf375d52acffc81cTimo Sirainen *idx_r = i;
3b1bf68d26c9f2fe4a649f40cf375d52acffc81cTimo Sirainen return TRUE;
3b1bf68d26c9f2fe4a649f40cf375d52acffc81cTimo Sirainen }
3b1bf68d26c9f2fe4a649f40cf375d52acffc81cTimo Sirainen }
3b1bf68d26c9f2fe4a649f40cf375d52acffc81cTimo Sirainen }
3b1bf68d26c9f2fe4a649f40cf375d52acffc81cTimo Sirainen return FALSE;
3b1bf68d26c9f2fe4a649f40cf375d52acffc81cTimo Sirainen}
3b1bf68d26c9f2fe4a649f40cf375d52acffc81cTimo Sirainen
3b1bf68d26c9f2fe4a649f40cf375d52acffc81cTimo Sirainenstatic int virtual_config_expand_wildcards(struct virtual_parse_context *ctx,
3b1bf68d26c9f2fe4a649f40cf375d52acffc81cTimo Sirainen const char **error_r)
3b1bf68d26c9f2fe4a649f40cf375d52acffc81cTimo Sirainen{
3b1bf68d26c9f2fe4a649f40cf375d52acffc81cTimo Sirainen const enum mail_namespace_type iter_ns_types =
3b1bf68d26c9f2fe4a649f40cf375d52acffc81cTimo Sirainen MAIL_NAMESPACE_TYPE_MASK_ALL;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen const enum mailbox_list_iter_flags iter_flags =
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen MAILBOX_LIST_ITER_RETURN_NO_FLAGS;
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen struct mail_user *user = ctx->mbox->storage->storage.user;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen ARRAY_TYPE(virtual_backend_box) wildcard_boxes, neg_boxes;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen struct mailbox_list_iterate_context *iter;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen struct virtual_backend_box *const *wboxes;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen const char **patterns;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen const struct mailbox_info *info;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen unsigned int i, j, count;
7e209b78ca757294dbbc15604c88673b3a6b0c39Timo Sirainen
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen separate_wildcard_mailboxes(ctx->mbox, &wildcard_boxes, &neg_boxes);
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen
075a53973bbdf15cc3bd2ba4872f96f3f2f00574Timo Sirainen /* get patterns we want to list */
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen wboxes = array_get_modifiable(&wildcard_boxes, &count);
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen if (count == 0) {
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen /* only negative wildcards - doesn't really make sense.
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen just ignore. */
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen return 0;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen }
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen patterns = t_new(const char *, count + 1);
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen for (i = 0; i < count; i++)
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen patterns[i] = wboxes[i]->name;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen /* match listed mailboxes to wildcards */
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen iter = mailbox_list_iter_init_namespaces(user->namespaces, patterns,
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen iter_ns_types, iter_flags);
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen while ((info = mailbox_list_iter_next(iter)) != NULL) {
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen /* skip non-selectable mailboxes (especially mbox
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen directories) */
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen if ((info->flags & MAILBOX_NOSELECT) != 0)
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen continue;
d4854db53e9c141db3d02821ed857bea101b1cc2Timo Sirainen if (strcmp(info->vname, ctx->mbox->box.vname) == 0) {
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen /* don't allow virtual folder to point to itself */
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen continue;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen }
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen if (virtual_config_match(info, &wildcard_boxes, &i) &&
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen !virtual_config_match(info, &neg_boxes, &j) &&
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen virtual_backend_box_lookup_name(ctx->mbox,
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen info->vname) == NULL) {
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen virtual_config_copy_expanded(ctx, wboxes[i],
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen info->vname);
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen }
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen }
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen for (i = 0; i < count; i++)
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen mail_search_args_unref(&wboxes[i]->search_args);
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen if (mailbox_list_iter_deinit(&iter) < 0) {
867990944f0bda3a5bd70895d5a5ebfa611d0505Timo Sirainen *error_r = mailbox_list_get_last_error(user->namespaces->list, NULL);
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen return -1;
867990944f0bda3a5bd70895d5a5ebfa611d0505Timo Sirainen }
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen return 0;
867990944f0bda3a5bd70895d5a5ebfa611d0505Timo Sirainen}
867990944f0bda3a5bd70895d5a5ebfa611d0505Timo Sirainen
867990944f0bda3a5bd70895d5a5ebfa611d0505Timo Sirainenstatic void virtual_config_search_args_dup(struct virtual_mailbox *mbox)
867990944f0bda3a5bd70895d5a5ebfa611d0505Timo Sirainen{
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen struct virtual_backend_box *const *bboxes;
3852872e6954b7132e637294132005e86b8ebd4aTimo Sirainen struct mail_search_args *old_args;
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen unsigned int i, count;
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen
111a7dda02defa4d612468cfc3c40da5240645afTimo Sirainen bboxes = array_get_modifiable(&mbox->backend_boxes, &count);
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen for (i = 0; i < count; i++) {
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen old_args = bboxes[i]->search_args;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen bboxes[i]->search_args = mail_search_args_dup(old_args);
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen mail_search_args_unref(&old_args);
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen }
3b1bf68d26c9f2fe4a649f40cf375d52acffc81cTimo Sirainen}
3b1bf68d26c9f2fe4a649f40cf375d52acffc81cTimo Sirainen
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainenint virtual_config_read(struct virtual_mailbox *mbox)
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen{
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen struct mail_storage *storage = mbox->box.storage;
24e5e4526d8f5cbc056ab97fd0d154d0936d7a5eTimo Sirainen struct virtual_parse_context ctx;
db0735f9b388c5bcfb781b1b25015e898d63d953Timo Sirainen const char *box_path, *path, *line, *error;
db0735f9b388c5bcfb781b1b25015e898d63d953Timo Sirainen unsigned int linenum = 0;
db0735f9b388c5bcfb781b1b25015e898d63d953Timo Sirainen int fd, ret = 0;
db0735f9b388c5bcfb781b1b25015e898d63d953Timo Sirainen
db0735f9b388c5bcfb781b1b25015e898d63d953Timo Sirainen i_array_init(&mbox->backend_boxes, 8);
db0735f9b388c5bcfb781b1b25015e898d63d953Timo Sirainen mbox->search_args_crc32 = (uint32_t)-1;
db0735f9b388c5bcfb781b1b25015e898d63d953Timo Sirainen
66c0f96d704f09c88dd03b0ee13a3e9711ffe593Timo Sirainen box_path = mailbox_get_path(&mbox->box);
66c0f96d704f09c88dd03b0ee13a3e9711ffe593Timo Sirainen path = t_strconcat(box_path, "/"VIRTUAL_CONFIG_FNAME, NULL);
66c0f96d704f09c88dd03b0ee13a3e9711ffe593Timo Sirainen fd = open(path, O_RDONLY);
66c0f96d704f09c88dd03b0ee13a3e9711ffe593Timo Sirainen if (fd == -1) {
db0735f9b388c5bcfb781b1b25015e898d63d953Timo Sirainen if (errno == EACCES) {
mail_storage_set_critical(storage, "%s",
mail_error_eacces_msg("open", path));
} else if (errno != ENOENT) {
mail_storage_set_critical(storage,
"open(%s) failed: %m", path);
} else if (errno == ENOENT) {
mail_storage_set_error(storage, MAIL_ERROR_NOTFOUND,
T_MAIL_ERR_MAILBOX_NOT_FOUND(mbox->box.vname));
} else {
mail_storage_set_critical(storage,
"stat(%s) failed: %m", box_path);
}
return -1;
}
memset(&ctx, 0, sizeof(ctx));
ctx.sep = mail_namespaces_get_root_sep(storage->user->namespaces);
ctx.mbox = mbox;
ctx.pool = mbox->box.pool;
ctx.rule = t_str_new(256);
ctx.input = i_stream_create_fd(fd, (size_t)-1, FALSE);
i_stream_set_return_partial_line(ctx.input, TRUE);
while ((line = i_stream_read_next_line(ctx.input)) != NULL) {
linenum++;
if (*line == '#')
continue;
if (*line == '\0')
ret = virtual_config_add_rule(&ctx, &error);
else
ret = virtual_config_parse_line(&ctx, line, &error);
if (ret < 0) {
mail_storage_set_critical(storage,
"%s: Error at line %u: %s",
path, linenum, error);
break;
}
}
if (ret == 0) {
ret = virtual_config_add_rule(&ctx, &error);
if (ret < 0) {
mail_storage_set_critical(storage,
"%s: Error at line %u: %s",
path, linenum, error);
}
}
virtual_mailbox_get_list_patterns(&ctx);
if (ret == 0 && ctx.have_wildcards) {
ret = virtual_config_expand_wildcards(&ctx, &error);
if (ret < 0)
mail_storage_set_critical(storage, "%s: %s", path, error);
}
if (ret == 0 && !ctx.have_mailbox_defines) {
mail_storage_set_critical(storage,
"%s: No mailboxes defined", path);
ret = -1;
}
if (ret == 0)
virtual_config_search_args_dup(mbox);
i_stream_unref(&ctx.input);
i_close_fd(&fd);
return ret;
}
void virtual_config_free(struct virtual_mailbox *mbox)
{
struct virtual_backend_box *const *bboxes;
unsigned int i, count;
if (!array_is_created(&mbox->backend_boxes)) {
/* mailbox wasn't opened */
return;
}
bboxes = array_get_modifiable(&mbox->backend_boxes, &count);
for (i = 0; i < count; i++) {
if (bboxes[i]->search_args != NULL)
mail_search_args_unref(&bboxes[i]->search_args);
}
array_free(&mbox->backend_boxes);
}