index/cydir/cydir-storage.c

	cydir-storage.c revision 563273bdac80393af63b9520cbf4d24cc0efd028
45312f52ff3a3d4c137447be4c7556500c2f8bf2Timo Sirainen/* Copyright (c) 2007-2009 Dovecot authors, see the included COPYING file */
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen#include "lib.h"
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen#include "array.h"
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen#include "str.h"
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen#include "mkdir-parents.h"
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen#include "index-mail.h"
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen#include "mail-copy.h"
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen#include "cydir-sync.h"
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen#include "cydir-storage.h"
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen#include <unistd.h>
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen#include <dirent.h>
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen#include <sys/stat.h>
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen#define CYDIR_LIST_CONTEXT(obj) \
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    MODULE_CONTEXT(obj, cydir_mailbox_list_module)
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainenstruct cydir_mailbox_list {
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen    union mailbox_list_module_context module_ctx;
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen};
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainenextern struct mail_storage cydir_storage;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainenextern struct mailbox cydir_mailbox;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainenstatic MODULE_CONTEXT_DEFINE_INIT(cydir_mailbox_list_module,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen                  &mailbox_list_module_register);
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainenstatic struct mail_storage *cydir_storage_alloc(void)
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen{
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    struct cydir_storage *storage;
f7539a17ea306191b53b8f5e752e228937df9ec3Timo Sirainen    pool_t pool;
f7539a17ea306191b53b8f5e752e228937df9ec3Timo Sirainen
f7539a17ea306191b53b8f5e752e228937df9ec3Timo Sirainen    pool = pool_alloconly_create("cydir storage", 512+256);
f7539a17ea306191b53b8f5e752e228937df9ec3Timo Sirainen    storage = p_new(pool, struct cydir_storage, 1);
f7539a17ea306191b53b8f5e752e228937df9ec3Timo Sirainen    storage->storage = cydir_storage;
f7539a17ea306191b53b8f5e752e228937df9ec3Timo Sirainen    storage->storage.pool = pool;
f7539a17ea306191b53b8f5e752e228937df9ec3Timo Sirainen    return &storage->storage;
f7539a17ea306191b53b8f5e752e228937df9ec3Timo Sirainen}
f7539a17ea306191b53b8f5e752e228937df9ec3Timo Sirainen
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainenstatic void
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainencydir_storage_get_list_settings(const struct mail_namespace *ns ATTR_UNUSED,
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen                struct mailbox_list_settings *set)
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen{
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen    if (set->layout == NULL)
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen        set->layout = MAILBOX_LIST_NAME_FS;
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen    if (set->subscription_fname == NULL)
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen        set->subscription_fname = CYDIR_SUBSCRIPTION_FILE_NAME;
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen}
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainenstatic int create_cydir(struct mail_storage *storage, struct mail_namespace *ns,
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen            const char *path)
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen{
fea7b8b3fc182e415b1875d79587c0aa1adb09d7Timo Sirainen    mode_t mode;
fea7b8b3fc182e415b1875d79587c0aa1adb09d7Timo Sirainen    gid_t gid;
fea7b8b3fc182e415b1875d79587c0aa1adb09d7Timo Sirainen
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen    mailbox_list_get_dir_permissions(ns->list, NULL, &mode, &gid);
fea7b8b3fc182e415b1875d79587c0aa1adb09d7Timo Sirainen    if (mkdir_parents_chown(path, mode, (uid_t)-1, gid) < 0 &&
fea7b8b3fc182e415b1875d79587c0aa1adb09d7Timo Sirainen        errno != EEXIST) {
ff7056842f14fd3b30a2d327dfab165b9d15dd30Timo Sirainen        if (!mail_storage_set_error_from_errno(storage)) {
ff7056842f14fd3b30a2d327dfab165b9d15dd30Timo Sirainen            mail_storage_set_critical(storage,
ff7056842f14fd3b30a2d327dfab165b9d15dd30Timo Sirainen                "mkdir(%s) failed: %m", path);
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        }
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        return -1;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    }
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    return 0;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen}
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainenstatic struct mailbox *
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainencydir_open(struct mail_storage *storage, struct mailbox_list *list,
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen       const char *name, enum mailbox_open_flags flags)
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen{
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    struct cydir_mailbox *mbox;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    struct mail_index *index;
c72d5f1aa95544dbfbc66d72bfa3205f8876d91cTimo Sirainen    const char *path;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    pool_t pool;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen    path = mailbox_list_get_path(list, name,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen                     MAILBOX_LIST_PATH_TYPE_MAILBOX);
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen    index = index_storage_alloc(list, name, flags, CYDIR_INDEX_PREFIX);
ab8cf8fb93579981a687942e53bdb361b3b61bafTimo Sirainen    mail_index_set_fsync_types(index, MAIL_INDEX_SYNC_TYPE_APPEND |
ab8cf8fb93579981a687942e53bdb361b3b61bafTimo Sirainen                   MAIL_INDEX_SYNC_TYPE_EXPUNGE);
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    pool = pool_alloconly_create("cydir mailbox", 1024+512);
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    mbox = p_new(pool, struct cydir_mailbox, 1);
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    mbox->ibox.box = cydir_mailbox;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    mbox->ibox.box.pool = pool;
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen    mbox->ibox.box.storage = storage;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    mbox->ibox.mail_vfuncs = &cydir_mail_vfuncs;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    mbox->ibox.index = index;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen    mbox->storage = (struct cydir_storage *)storage;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    mbox->path = p_strdup(pool, path);
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    index_storage_mailbox_init(&mbox->ibox, name, flags, FALSE);
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    return &mbox->ibox.box;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen}
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainenstatic struct mailbox *
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainencydir_mailbox_open(struct mail_storage *storage, struct mailbox_list *list,
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen           const char *name, struct istream *input,
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen           enum mailbox_open_flags flags)
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen{
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    const char *path;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    struct stat st;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    if (input != NULL) {
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen        mailbox_list_set_critical(list,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen            "cydir doesn't support streamed mailboxes");
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        return NULL;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    }
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen    path = mailbox_list_get_path(list, name,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen                     MAILBOX_LIST_PATH_TYPE_MAILBOX);
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen    if (stat(path, &st) == 0)
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen        return cydir_open(storage, list, name, flags);
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen    else if (errno == ENOENT) {
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen        if (strcmp(name, "INBOX") == 0) {
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen            /* INBOX always exists, create it */
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen            if (create_cydir(storage, list->ns, path) < 0) {
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen                mailbox_list_set_error_from_storage(list,
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen                                    storage);
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen                return NULL;
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen            }
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen            return cydir_open(storage, list, "INBOX", flags);
32ee977e189266744ef69ac4e832fd3111d6f949Timo Sirainen        }
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen        mail_storage_set_error(storage, MAIL_ERROR_NOTFOUND,
ff7056842f14fd3b30a2d327dfab165b9d15dd30Timo Sirainen            T_MAIL_ERR_MAILBOX_NOT_FOUND(name));
b42697a5749b85659a24316d97f1c208d469e4e8Timo Sirainen    } else if (errno == EACCES) {
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen        mail_storage_set_critical(storage, "%s",
9e9f0cf3cc3ce546e8a433990c92dd9be6665df6Timo Sirainen            mail_error_eacces_msg("stat", path));
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    } else {
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen        mail_storage_set_critical(storage, "stat(%s) failed: %m",
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen                      path);
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    }
b42697a5749b85659a24316d97f1c208d469e4e8Timo Sirainen    return NULL;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen}
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainenstatic int
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainencydir_mailbox_create(struct mail_storage *storage, struct mailbox_list *list,
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen             const char *name, bool directory ATTR_UNUSED)
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen{
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    const char *path;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    struct stat st;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen    path = mailbox_list_get_path(list, name,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen                     MAILBOX_LIST_PATH_TYPE_MAILBOX);
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    if (stat(path, &st) == 0) {
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen        mail_storage_set_error(storage, MAIL_ERROR_EXISTS,
ff7056842f14fd3b30a2d327dfab165b9d15dd30Timo Sirainen                       "Mailbox already exists");
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        return -1;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    }
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen    return create_cydir(storage, list->ns, path);
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen}
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainenstatic int
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainencydir_delete_nonrecursive(struct mailbox_list *list, const char *path,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen              const char *name)
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen{
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    DIR *dir;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    struct dirent *d;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    string_t *full_path;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    unsigned int dir_len;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    bool unlinked_something = FALSE;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    dir = opendir(path);
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    if (dir == NULL) {
ff7056842f14fd3b30a2d327dfab165b9d15dd30Timo Sirainen        if (!mailbox_list_set_error_from_errno(list)) {
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen            mailbox_list_set_critical(list,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen                "opendir(%s) failed: %m", path);
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        }
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        return -1;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    }
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    full_path = t_str_new(256);
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    str_append(full_path, path);
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    str_append_c(full_path, '/');
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    dir_len = str_len(full_path);
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    errno = 0;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    while ((d = readdir(dir)) != NULL) {
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        if (d->d_name[0] == '.') {
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen            /* skip . and .. */
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen            if (d->d_name[1] == '\0')
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen                continue;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen            if (d->d_name[1] == '.' && d->d_name[2] == '\0')
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen                continue;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        }
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        str_truncate(full_path, dir_len);
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        str_append(full_path, d->d_name);
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        /* trying to unlink() a directory gives either EPERM or EISDIR
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen           (non-POSIX). it doesn't really work anywhere in practise,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen           so don't bother stat()ing the file first */
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        if (unlink(str_c(full_path)) == 0)
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen            unlinked_something = TRUE;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        else if (errno != ENOENT && errno != EISDIR && errno != EPERM) {
71c4ac143fefd57aeec6298489c4559b6f13c67bTimo Sirainen            mailbox_list_set_critical(list, "unlink(%s) failed: %m",
71c4ac143fefd57aeec6298489c4559b6f13c67bTimo Sirainen                          str_c(full_path));
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        }
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    }
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    if (closedir(dir) < 0) {
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        mailbox_list_set_critical(list, "closedir(%s) failed: %m",
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen                      path);
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    }
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    if (rmdir(path) == 0)
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        unlinked_something = TRUE;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    else if (errno != ENOENT && errno != ENOTEMPTY) {
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        mailbox_list_set_critical(list, "rmdir(%s) failed: %m", path);
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        return -1;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    }
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    if (!unlinked_something) {
4321f6c969e7b8f6b243ff5bb6b8d297921676f6Timo Sirainen        mailbox_list_set_error(list, MAIL_ERROR_NOTFOUND,
ff7056842f14fd3b30a2d327dfab165b9d15dd30Timo Sirainen            t_strdup_printf("Directory %s isn't empty, "
ff7056842f14fd3b30a2d327dfab165b9d15dd30Timo Sirainen                    "can't delete it.", name));
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        return -1;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    }
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    return 0;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen}
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainenstatic int
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainencydir_list_delete_mailbox(struct mailbox_list *list, const char *name)
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen{
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen    struct cydir_mailbox_list *mlist = CYDIR_LIST_CONTEXT(list);
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    struct stat st;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    const char *src;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    /* Make sure the indexes are closed before trying to delete the
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen       directory that contains them. It can still fail with some NFS
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen       implementations if indexes are opened by another session, but
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen       that can't really be helped. */
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    index_storage_destroy_unrefed();
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    /* delete the index and control directories */
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen    if (mlist->module_ctx.super.delete_mailbox(list, name) < 0)
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        return -1;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    /* check if the mailbox actually exists */
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    src = mailbox_list_get_path(list, name, MAILBOX_LIST_PATH_TYPE_MAILBOX);
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    if (stat(src, &st) != 0 && errno == ENOENT) {
ff7056842f14fd3b30a2d327dfab165b9d15dd30Timo Sirainen        mailbox_list_set_error(list, MAIL_ERROR_NOTFOUND,
ff7056842f14fd3b30a2d327dfab165b9d15dd30Timo Sirainen            T_MAIL_ERR_MAILBOX_NOT_FOUND(name));
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        return -1;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    }
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    return cydir_delete_nonrecursive(list, src, name);
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen}
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
f81f4bc282cd1944cec187bae89c0701a416ed2aTimo Sirainenstatic void cydir_notify_changes(struct mailbox *box)
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen{
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    struct cydir_mailbox *mbox = (struct cydir_mailbox *)box;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
f81f4bc282cd1944cec187bae89c0701a416ed2aTimo Sirainen    if (box->notify_callback == NULL)
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        index_mailbox_check_remove_all(&mbox->ibox);
f81f4bc282cd1944cec187bae89c0701a416ed2aTimo Sirainen    else
f81f4bc282cd1944cec187bae89c0701a416ed2aTimo Sirainen        index_mailbox_check_add(&mbox->ibox, mbox->path);
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen}
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
cc0bb7692b8a47abca3279abbb49b073f7a27f21Timo Sirainenstatic int cydir_list_iter_is_mailbox(struct mailbox_list_iterate_context *ctx
43d32cbe60fdaef2699d99f1ca259053e9350411Timo Sirainen                                ATTR_UNUSED,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen                      const char *dir, const char *fname,
7230352f1177a8ed2b924c6992e751fd2ab9bc27Timo Sirainen                      const char *mailbox_name ATTR_UNUSED,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen                      enum mailbox_list_file_type type,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen                      enum mailbox_info_flags *flags)
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen{
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    const char *mail_path;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    struct stat st;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    int ret = 1;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    /* try to avoid stat() with these checks */
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    if (type != MAILBOX_LIST_FILE_TYPE_DIR &&
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        type != MAILBOX_LIST_FILE_TYPE_SYMLINK &&
cc0bb7692b8a47abca3279abbb49b073f7a27f21Timo Sirainen        type != MAILBOX_LIST_FILE_TYPE_UNKNOWN) {
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        /* it's a file */
cc0bb7692b8a47abca3279abbb49b073f7a27f21Timo Sirainen        *flags |= MAILBOX_NOSELECT | MAILBOX_NOINFERIORS;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        return 0;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    }
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    /* need to stat() then */
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    mail_path = t_strconcat(dir, "/", fname, NULL);
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    if (stat(mail_path, &st) == 0) {
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        if (!S_ISDIR(st.st_mode)) {
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen            /* non-directory */
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen            *flags |= MAILBOX_NOSELECT | MAILBOX_NOINFERIORS;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen            ret = 0;
34f284752605dafdc7aefc343bb5b6cd2d2184b5Timo Sirainen        } else if (st.st_nlink == 2) {
34f284752605dafdc7aefc343bb5b6cd2d2184b5Timo Sirainen            /* no subdirectories */
34f284752605dafdc7aefc343bb5b6cd2d2184b5Timo Sirainen            *flags |= MAILBOX_NOCHILDREN;
34f284752605dafdc7aefc343bb5b6cd2d2184b5Timo Sirainen        } else if (*ctx->list->set.maildir_name != '\0') {
34f284752605dafdc7aefc343bb5b6cd2d2184b5Timo Sirainen            /* non-default configuration: we have one directory
34f284752605dafdc7aefc343bb5b6cd2d2184b5Timo Sirainen               containing the mailboxes. if there are 3 links,
34f284752605dafdc7aefc343bb5b6cd2d2184b5Timo Sirainen               either this is a selectable mailbox without children
34f284752605dafdc7aefc343bb5b6cd2d2184b5Timo Sirainen               or non-selectable mailbox with children */
34f284752605dafdc7aefc343bb5b6cd2d2184b5Timo Sirainen            if (st.st_nlink > 3)
34f284752605dafdc7aefc343bb5b6cd2d2184b5Timo Sirainen                *flags |= MAILBOX_CHILDREN;
34f284752605dafdc7aefc343bb5b6cd2d2184b5Timo Sirainen        } else {
34f284752605dafdc7aefc343bb5b6cd2d2184b5Timo Sirainen            /* default configuration: all subdirectories are
34f284752605dafdc7aefc343bb5b6cd2d2184b5Timo Sirainen               child mailboxes. */
34f284752605dafdc7aefc343bb5b6cd2d2184b5Timo Sirainen            if (st.st_nlink > 2)
34f284752605dafdc7aefc343bb5b6cd2d2184b5Timo Sirainen                *flags |= MAILBOX_CHILDREN;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        }
c2ced58969b446666ab1067c6bfdf495367ed621Timo Sirainen    } else if (errno == ENOENT) {
c2ced58969b446666ab1067c6bfdf495367ed621Timo Sirainen        /* doesn't exist - probably a non-existing subscribed mailbox */
c2ced58969b446666ab1067c6bfdf495367ed621Timo Sirainen        *flags |= MAILBOX_NONEXISTENT;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    } else {
cc0bb7692b8a47abca3279abbb49b073f7a27f21Timo Sirainen        /* non-selectable. probably either access denied, or symlink
cc0bb7692b8a47abca3279abbb49b073f7a27f21Timo Sirainen           destination not found. don't bother logging errors. */
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        *flags |= MAILBOX_NOSELECT;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    }
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    return ret;
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen}
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainenstatic void cydir_class_init(void)
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen{
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    cydir_transaction_class_init();
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen}
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainenstatic void cydir_class_deinit(void)
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen{
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    cydir_transaction_class_deinit();
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen}
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
563273bdac80393af63b9520cbf4d24cc0efd028Timo Sirainenstatic void cydir_storage_add_list(struct mail_storage *storage ATTR_UNUSED,
563273bdac80393af63b9520cbf4d24cc0efd028Timo Sirainen                   struct mailbox_list *list)
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen{
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen    struct cydir_mailbox_list *mlist;
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen    mlist = p_new(list->pool, struct cydir_mailbox_list, 1);
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen    mlist->module_ctx.super = list->v;
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen    list->v.iter_is_mailbox = cydir_list_iter_is_mailbox;
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen    list->v.delete_mailbox = cydir_list_delete_mailbox;
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen    MODULE_CONTEXT_SET(list, cydir_mailbox_list_module, mlist);
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen}
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainenstruct mail_storage cydir_storage = {
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    MEMBER(name) CYDIR_STORAGE_NAME,
563273bdac80393af63b9520cbf4d24cc0efd028Timo Sirainen    MEMBER(class_flags) 0,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    {
a64adf62fa33f2463a86f990217b0c9078531a40Timo Sirainen        NULL,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        cydir_class_init,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        cydir_class_deinit,
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen        cydir_storage_alloc,
563273bdac80393af63b9520cbf4d24cc0efd028Timo Sirainen        NULL,
a2a08c191a33bfaa758f9c68cafec2521b9a4472Timo Sirainen        index_storage_destroy,
563273bdac80393af63b9520cbf4d24cc0efd028Timo Sirainen        cydir_storage_add_list,
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen        cydir_storage_get_list_settings,
1108376e39a19912e8394e64e19b1bc6f6691cf6Timo Sirainen        NULL,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        cydir_mailbox_open,
3e564425db51f3921ce4de11859777135fdedd15Timo Sirainen        cydir_mailbox_create,
3e564425db51f3921ce4de11859777135fdedd15Timo Sirainen        NULL
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    }
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen};
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainenstruct mailbox cydir_mailbox = {
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    MEMBER(name) NULL,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    MEMBER(storage) NULL,
2615df45a8027948a474abe5e817b34b0499c171Timo Sirainen    MEMBER(list) NULL,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    {
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        index_storage_is_readonly,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        index_storage_allow_new_keywords,
a2f250a332dfc1e6cd4ffd196c621eb9dbf7b8a1Timo Sirainen        index_storage_mailbox_enable,
09c08fad8e7cc694a6c8d1711e67839acd3a2f04Timo Sirainen        index_storage_mailbox_close,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        index_storage_get_status,
d3442384ca53d4b18a493db7dd0b000f470419cfTimo Sirainen        NULL,
d3442384ca53d4b18a493db7dd0b000f470419cfTimo Sirainen        NULL,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        cydir_storage_sync_init,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        index_mailbox_sync_next,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        index_mailbox_sync_deinit,
5137d2d80255938a0f5fb8f3c1a21b34cf11ada3Timo Sirainen        NULL,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        cydir_notify_changes,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        index_transaction_begin,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        index_transaction_commit,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        index_transaction_rollback,
48270badadd82279bfe50ae3d187aea8b0b2b30eTimo Sirainen        index_transaction_set_max_modseq,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        index_keywords_create,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        index_keywords_free,
e3796bfd2bc0fd5ba664893d346df9334a5b3af0Timo Sirainen        index_keyword_is_valid,
5afa8e2edf4f313cd56e5909f92f39c3b5b7b4d3Timo Sirainen        index_storage_get_seq_range,
408e5be344c9131fdebe771718a5bf49f88cc51cTimo Sirainen        index_storage_get_uid_range,
923eb3dde28e4d8841c14fd6b4a69635b7070c3eTimo Sirainen        index_storage_get_expunged_uids,
ecdce39e5ef4b62eefa9f5818f17d153fd5d710aTimo Sirainen        NULL,
3852872e6954b7132e637294132005e86b8ebd4aTimo Sirainen        NULL,
3852872e6954b7132e637294132005e86b8ebd4aTimo Sirainen        NULL,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        index_mail_alloc,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        index_header_lookup_init,
f95b3d29bc56f139c18c880aa574a0ca72b0cffbTimo Sirainen        index_header_lookup_ref,
f95b3d29bc56f139c18c880aa574a0ca72b0cffbTimo Sirainen        index_header_lookup_unref,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        index_storage_search_init,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        index_storage_search_deinit,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        index_storage_search_next_nonblock,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        index_storage_search_next_update_seq,
e3aeeb634245e80d4f643f8d2eea11d6b72336d8Timo Sirainen        cydir_save_alloc,
e3aeeb634245e80d4f643f8d2eea11d6b72336d8Timo Sirainen        cydir_save_begin,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        cydir_save_continue,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        cydir_save_finish,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        cydir_save_cancel,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        mail_storage_copy,
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen        index_storage_is_inconsistent
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen    }
c6a57378d3c54988f525f81e19c0c5d132a0770dTimo Sirainen};