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/* Copyright (c) 2010-2018 Dovecot authors, see the included COPYING file */
#include "lib.h"
#include "array.h"
#include "str.h"
#include "mail-search.h"
#include "mail-namespace.h"
#include "mailbox-list.h"
#include "doveadm-mail.h"
#include "doveadm-mailbox-list-iter.h"
struct doveadm_mailbox_list_iter {
struct mail_user *user;
struct doveadm_mail_cmd_context *ctx;
struct mail_search_args *search_args;
enum mailbox_list_iter_flags iter_flags;
struct mailbox_list_iterate_context *iter;
struct mailbox_info info;
ARRAY_TYPE(const_string) patterns;
unsigned int pattern_idx;
bool only_selectable;
};
static bool
search_args_get_mailbox_patterns(const struct mail_search_arg *args,
ARRAY_TYPE(const_string) *patterns,
bool *have_guid, bool *have_wildcards)
{
const struct mail_search_arg *subargs;
for (; args != NULL; args = args->next) {
switch (args->type) {
case SEARCH_OR:
/* we don't currently try to optimize OR. */
break;
case SEARCH_SUB:
case SEARCH_INTHREAD:
subargs = args->value.subargs;
for (; subargs != NULL; subargs = subargs->next) {
if (!search_args_get_mailbox_patterns(subargs,
patterns, have_guid,
have_wildcards))
return FALSE;
}
break;
case SEARCH_MAILBOX_GLOB:
*have_wildcards = TRUE;
/* fall through */
case SEARCH_MAILBOX:
if (args->match_not) {
array_clear(patterns);
return FALSE;
}
array_push_back(patterns, &args->value.str);
break;
case SEARCH_MAILBOX_GUID:
*have_guid = TRUE;
break;
default:
break;
}
}
return TRUE;
}
static struct doveadm_mailbox_list_iter *
doveadm_mailbox_list_iter_init_nsmask(struct doveadm_mail_cmd_context *ctx,
struct mail_user *user,
struct mail_search_args *search_args,
enum mailbox_list_iter_flags iter_flags,
enum mail_namespace_type ns_mask)
{
static const char *all_pattern = "*";
struct doveadm_mailbox_list_iter *iter;
bool have_guid = FALSE, have_wildcards = FALSE;
iter = i_new(struct doveadm_mailbox_list_iter, 1);
iter->ctx = ctx;
iter->search_args = search_args;
iter->user = user;
i_array_init(&iter->patterns, 16);
(void)search_args_get_mailbox_patterns(search_args->args,
&iter->patterns,
&have_guid, &have_wildcards);
if (array_count(&iter->patterns) == 0) {
iter_flags |= MAILBOX_LIST_ITER_SKIP_ALIASES;
if (have_guid) {
ns_mask |= MAIL_NAMESPACE_TYPE_SHARED |
MAIL_NAMESPACE_TYPE_PUBLIC;
}
array_push_back(&iter->patterns, &all_pattern);
} else if (have_wildcards) {
iter_flags |= MAILBOX_LIST_ITER_STAR_WITHIN_NS;
ns_mask |= MAIL_NAMESPACE_TYPE_SHARED |
MAIL_NAMESPACE_TYPE_PUBLIC;
} else {
/* just return the listed mailboxes without actually
iterating through. this also allows accessing mailboxes
without lookup ACL right */
return iter;
}
array_append_zero(&iter->patterns);
iter->only_selectable = TRUE;
iter->iter_flags = iter_flags;
iter->iter = mailbox_list_iter_init_namespaces(user->namespaces,
array_front(&iter->patterns),
ns_mask, iter_flags);
return iter;
}
struct doveadm_mailbox_list_iter *
doveadm_mailbox_list_iter_init(struct doveadm_mail_cmd_context *ctx,
struct mail_user *user,
struct mail_search_args *search_args,
enum mailbox_list_iter_flags iter_flags)
{
enum mail_namespace_type ns_mask = MAIL_NAMESPACE_TYPE_PRIVATE;
return doveadm_mailbox_list_iter_init_nsmask(ctx, user, search_args,
iter_flags, ns_mask);
}
struct doveadm_mailbox_list_iter *
doveadm_mailbox_list_iter_full_init(struct doveadm_mail_cmd_context *ctx,
struct mail_user *user,
struct mail_search_args *search_args,
enum mailbox_list_iter_flags iter_flags)
{
enum mail_namespace_type ns_mask = MAIL_NAMESPACE_TYPE_MASK_ALL;
struct doveadm_mailbox_list_iter *iter;
iter = doveadm_mailbox_list_iter_init_nsmask(ctx, user, search_args,
iter_flags, ns_mask);
iter->only_selectable = FALSE;
return iter;
}
int doveadm_mailbox_list_iter_deinit(struct doveadm_mailbox_list_iter **_iter)
{
struct doveadm_mailbox_list_iter *iter = *_iter;
enum mail_error error;
int ret;
*_iter = NULL;
if (iter->iter == NULL)
ret = 0;
else if ((ret = mailbox_list_iter_deinit(&iter->iter)) < 0) {
i_error("Listing mailboxes failed: %s",
mailbox_list_get_last_internal_error(iter->user->namespaces->list, &error));
doveadm_mail_failed_error(iter->ctx, error);
}
array_free(&iter->patterns);
i_free(iter);
return ret;
}
const struct mailbox_info *
doveadm_mailbox_list_iter_next(struct doveadm_mailbox_list_iter *iter)
{
const struct mailbox_info *info;
const char *const *patterns;
unsigned int count;
while (iter->iter == NULL) {
patterns = array_get(&iter->patterns, &count);
if (iter->pattern_idx == count)
return NULL;
iter->info.vname = patterns[iter->pattern_idx++];
iter->info.ns = mail_namespace_find(iter->user->namespaces,
iter->info.vname);
return &iter->info;
}
while ((info = mailbox_list_iter_next(iter->iter)) != NULL) {
char sep = mail_namespace_get_sep(info->ns);
if ((info->flags & (MAILBOX_NOSELECT |
MAILBOX_NONEXISTENT)) != 0) {
if (iter->only_selectable)
continue;
}
if (mail_search_args_match_mailbox(iter->search_args,
info->vname, sep))
break;
}
return info;
}
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