index/maildir/maildir-util.c

	maildir-util.c revision 490f66d6476d51cc02333d6eb398a5cd94b67f48
45312f52ff3a3d4c137447be4c7556500c2f8bf2Timo Sirainen/* Copyright (c) 2004-2009 Dovecot authors, see the included COPYING file */
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen#include "lib.h"
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen#include "array.h"
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen#include "ioloop.h"
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen#include "str.h"
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen#include "mkdir-parents.h"
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen#include "maildir-storage.h"
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen#include "maildir-uidlist.h"
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen#include "maildir-keywords.h"
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen#include "maildir-filename.h"
5fb3bff645380804c9db2510940c41db6b8fdb01Timo Sirainen#include "maildir-sync.h"
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen#include <unistd.h>
73a552a9ed06cd6017ad4ee4b252a8b38c8ac42dTimo Sirainen#include <dirent.h>
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen#include <fcntl.h>
73a552a9ed06cd6017ad4ee4b252a8b38c8ac42dTimo Sirainen#include <utime.h>
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen#include <sys/stat.h>
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen
7ccdf78cd45aea9d14e048a5b9f077515c71978fTimo Sirainen#define MAILDIR_RESYNC_RETRY_COUNT 10
7ccdf78cd45aea9d14e048a5b9f077515c71978fTimo Sirainen
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainenstatic const char *
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainenmaildir_filename_guess(struct maildir_mailbox *mbox, uint32_t uid,
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen               const char *fname, bool *have_flags_r)
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen{
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen    struct mail_index_view *view = mbox->flags_view;
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen    struct maildir_keywords_sync_ctx *kw_ctx;
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen    enum mail_flags flags;
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen    ARRAY_TYPE(keyword_indexes) keywords;
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen    uint32_t seq;
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen    if (view == NULL || !mail_index_lookup_seq(view, uid, &seq)) {
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen        *have_flags_r = FALSE;
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen        return fname;
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen    }
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen    t_array_init(&keywords, 32);
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen    mail_index_lookup_view_flags(view, seq, &flags, &keywords);
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen    if (array_count(&keywords) == 0) {
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen        *have_flags_r = (flags & MAIL_FLAGS_NONRECENT) != 0;
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen        fname = maildir_filename_set_flags(NULL, fname, flags, NULL);
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen    } else {
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen        *have_flags_r = TRUE;
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen        kw_ctx = maildir_keywords_sync_init_readonly(mbox->keywords,
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen                                 mbox->ibox.index);
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen        fname = maildir_filename_set_flags(kw_ctx, fname,
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen                           flags, &keywords);
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen        maildir_keywords_sync_deinit(&kw_ctx);
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen    }
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen    return fname;
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen}
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen
b5e6f6f27c1461f0f9f202615eeb738a645188c3Timo Sirainenstatic int maildir_file_do_try(struct maildir_mailbox *mbox, uint32_t uid,
00efa7d99981e18e286c02b18c1163dde18ee521Timo Sirainen                   maildir_file_do_func *callback, void *context)
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen{
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen    const char *path, *fname;
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen    enum maildir_uidlist_rec_flag flags;
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen    bool have_flags;
641f0c0900ee6e7cf9667f4b40ed95cec7d0cdcaTimo Sirainen    int ret;
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen
7ede6554e451ec039a67beec7d6ee4aff61d386eTimo Sirainen    ret = maildir_uidlist_lookup(mbox->uidlist, uid, &flags, &fname);
7ede6554e451ec039a67beec7d6ee4aff61d386eTimo Sirainen    if (ret <= 0)
7ede6554e451ec039a67beec7d6ee4aff61d386eTimo Sirainen        return ret == 0 ? -2 : -1;
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen    if ((flags & MAILDIR_UIDLIST_REC_FLAG_NONSYNCED) != 0) {
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen        /* let's see if we can guess the filename based on index */
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen        fname = maildir_filename_guess(mbox, uid, fname, &have_flags);
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen        if (have_flags) {
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen            /* don't even bother looking into new/ dir */
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen            flags &= MAILDIR_UIDLIST_REC_FLAG_NEW_DIR;
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen        }
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen    }
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen
641f0c0900ee6e7cf9667f4b40ed95cec7d0cdcaTimo Sirainen    if ((flags & MAILDIR_UIDLIST_REC_FLAG_NEW_DIR) != 0) {
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen        /* probably in new/ dir */
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen        path = t_strconcat(mbox->path, "/new/", fname, NULL);
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen        ret = callback(mbox, path, context);
eddd9bf1a1369aea4a2715f6be1137da6d17d293Timo Sirainen        if (ret != 0)
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen            return ret;
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen    }
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen    path = t_strconcat(mbox->path, "/cur/", fname, NULL);
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen    ret = callback(mbox, path, context);
2f2823ad8928654ed405467c6c1f4fd4c6f5cf7cTimo Sirainen    return ret;
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen}
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen
825f6569a5276488133796c2f529c65128a09ba0Timo Sirainenstatic int do_racecheck(struct maildir_mailbox *mbox, const char *path,
43d32cbe60fdaef2699d99f1ca259053e9350411Timo Sirainen            void *context ATTR_UNUSED)
825f6569a5276488133796c2f529c65128a09ba0Timo Sirainen{
825f6569a5276488133796c2f529c65128a09ba0Timo Sirainen    struct stat st;
825f6569a5276488133796c2f529c65128a09ba0Timo Sirainen
825f6569a5276488133796c2f529c65128a09ba0Timo Sirainen    if (lstat(path, &st) == 0 && (st.st_mode & S_IFLNK) != 0) {
825f6569a5276488133796c2f529c65128a09ba0Timo Sirainen        /* most likely a symlink pointing to a non-existing file */
825f6569a5276488133796c2f529c65128a09ba0Timo Sirainen        mail_storage_set_critical(&mbox->storage->storage,
825f6569a5276488133796c2f529c65128a09ba0Timo Sirainen            "Maildir: Symlink destination doesn't exist: %s", path);
825f6569a5276488133796c2f529c65128a09ba0Timo Sirainen        return -2;
825f6569a5276488133796c2f529c65128a09ba0Timo Sirainen    } else {
825f6569a5276488133796c2f529c65128a09ba0Timo Sirainen        mail_storage_set_critical(&mbox->storage->storage,
825f6569a5276488133796c2f529c65128a09ba0Timo Sirainen            "maildir_file_do(%s): Filename keeps changing", path);
825f6569a5276488133796c2f529c65128a09ba0Timo Sirainen        return -1;
825f6569a5276488133796c2f529c65128a09ba0Timo Sirainen    }
825f6569a5276488133796c2f529c65128a09ba0Timo Sirainen}
825f6569a5276488133796c2f529c65128a09ba0Timo Sirainen
59151b71059df1190acd75d8717ed04a7920c862Timo Sirainen#undef maildir_file_do
b5e6f6f27c1461f0f9f202615eeb738a645188c3Timo Sirainenint maildir_file_do(struct maildir_mailbox *mbox, uint32_t uid,
00efa7d99981e18e286c02b18c1163dde18ee521Timo Sirainen            maildir_file_do_func *callback, void *context)
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen{
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen    int i, ret;
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen    T_BEGIN {
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen        ret = maildir_file_do_try(mbox, uid, callback, context);
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen    } T_END;
7ccdf78cd45aea9d14e048a5b9f077515c71978fTimo Sirainen    for (i = 0; i < MAILDIR_RESYNC_RETRY_COUNT && ret == 0; i++) {
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen        /* file is either renamed or deleted. sync the maildir and
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen           see which one. if file appears to be renamed constantly,
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen           don't try to open it more than 10 times. */
f7ad1162969feff6b08f0e640a928db1783daae9Timo Sirainen        if (maildir_storage_sync_force(mbox, uid) < 0)
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen            return -1;
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen        T_BEGIN {
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen            ret = maildir_file_do_try(mbox, uid, callback, context);
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen        } T_END;
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen    }
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen    if (i == MAILDIR_RESYNC_RETRY_COUNT) T_BEGIN {
825f6569a5276488133796c2f529c65128a09ba0Timo Sirainen        ret = maildir_file_do_try(mbox, uid, do_racecheck, context);
785d9cca224d33ca3938e9166784f6483e8a27d7Timo Sirainen    } T_END;
039e42997fe5e0d1c5ad9306dc0ae69bf0e1ca10Timo Sirainen
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen    return ret == -2 ? 0 : ret;
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen}
0cb2e8eb55e70f8ebe1e8349bdf49e4cbe5d8834Timo Sirainen
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainenstatic int maildir_create_path(struct mailbox *box, const char *path,
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen                   bool is_mail_dir)
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen{
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen    const char *p, *parent;
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen    mode_t parent_mode;
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen    gid_t parent_gid;
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen    if (mkdir_chown(path, box->dir_create_mode,
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen            (uid_t)-1, box->file_create_gid) == 0)
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen        return 0;
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen    switch (errno) {
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen    case EEXIST:
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen        return 0;
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen    case ENOENT:
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen        p = strrchr(path, '/');
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen        if (is_mail_dir || p == NULL) {
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen            /* mailbox was being deleted just now */
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen            mailbox_set_deleted(box);
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen            return -1;
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen        }
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen        /* create index/control root directory */
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen        parent = t_strdup_until(path, p);
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen        mailbox_list_get_dir_permissions(box->storage->list, NULL,
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen                         &parent_mode, &parent_gid);
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen        if (mkdir_parents_chown(parent, parent_mode, (uid_t)-1,
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen                    parent_gid) == 0 || errno == EEXIST) {
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen            /* should work now, try again */
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen            return maildir_create_path(box, path, TRUE);
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen        }
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen        /* fall through */
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen        path = parent;
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen    default:
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen        mail_storage_set_critical(box->storage,
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen                      "mkdir(%s) failed: %m", path);
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen        return -1;
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen    }
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen}
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainenstatic int maildir_create_subdirs(struct maildir_mailbox *mbox)
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen{
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen    static const char *subdirs[] = { "cur", "new", "tmp" };
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen    const char *dirs[N_ELEMENTS(subdirs) + 2];
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen    struct mailbox *box = &mbox->ibox.box;
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen    struct stat st;
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen    const char *path;
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen    unsigned int i;
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen    bool is_mail_dir;
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen    /* @UNSAFE: get a list of directories we want to create */
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen    for (i = 0; i < N_ELEMENTS(subdirs); i++)
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen        dirs[i] = t_strconcat(mbox->path, "/", subdirs[i], NULL);
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen    dirs[i++] = mail_storage_get_mailbox_control_dir(box->storage,
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen                             box->name);
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen    dirs[i++] = mail_storage_get_mailbox_index_dir(box->storage,
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen                               box->name);
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen    i_assert(i == N_ELEMENTS(dirs));
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen    for (i = 0; i < N_ELEMENTS(dirs); i++) {
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen        path = dirs[i];
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen        if (path == NULL || stat(path, &st) == 0)
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen            continue;
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen        if (errno != ENOENT) {
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen            mail_storage_set_critical(box->storage,
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen                          "stat(%s) failed: %m", path);
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen            break;
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen        }
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen        is_mail_dir = i < N_ELEMENTS(subdirs);
490f66d6476d51cc02333d6eb398a5cd94b67f48Timo Sirainen        if (maildir_create_path(box, path, is_mail_dir) < 0)
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen            break;
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen    }
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen    return i == N_ELEMENTS(dirs) ? 0 : -1;
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen}
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainenbool maildir_set_deleted(struct maildir_mailbox *mbox)
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen{
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen    struct mailbox *box = &mbox->ibox.box;
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen    struct stat st;
eddd9bf1a1369aea4a2715f6be1137da6d17d293Timo Sirainen    int ret;
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen    if (stat(mbox->path, &st) < 0) {
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen        if (errno == ENOENT)
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen            mailbox_set_deleted(box);
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen        else {
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen            mail_storage_set_critical(box->storage,
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen                "stat(%s) failed: %m", mbox->path);
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen        }
6cfb1377b2c034cfc4bd37361cc1520f2d8acd6dTimo Sirainen        return FALSE;
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen    }
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen    /* maildir itself exists. create all of its subdirectories in case
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen       they got lost. */
19e8adccba16ff419f5675b1575358c2956dce83Timo Sirainen    T_BEGIN {
eddd9bf1a1369aea4a2715f6be1137da6d17d293Timo Sirainen        ret = maildir_create_subdirs(mbox);
19e8adccba16ff419f5675b1575358c2956dce83Timo Sirainen    } T_END;
6cfb1377b2c034cfc4bd37361cc1520f2d8acd6dTimo Sirainen    return ret < 0 ? FALSE : TRUE;
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen}