src/lib-storage/mailbox-list-private.h

	mailbox-list-private.h revision c0a87e5f3316a57e6f915882fa1951d0fbb74a61
#ifndef MAILBOX_LIST_PRIVATE_H
#define MAILBOX_LIST_PRIVATE_H

#include "mail-namespace.h"
#include "mailbox-list.h"
#include "mail-storage-settings.h"

#define MAILBOX_LIST_NAME_MAILDIRPLUSPLUS "maildir++"
#define MAILBOX_LIST_NAME_IMAPDIR "imapdir"
#define MAILBOX_LIST_NAME_FS "fs"

#define MAILBOX_LOG_FILE_NAME "dovecot.mailbox.log"

enum mailbox_log_record_type;
struct stat;
struct dirent;
struct imap_match_glob;
struct mailbox_tree_context;

#define MAILBOX_INFO_FLAGS_FINISHED(flags) \
    (((flags) & (MAILBOX_SELECT | MAILBOX_NOSELECT | \
             MAILBOX_NONEXISTENT)) != 0)

enum mailbox_dir_create_type {
    /* Creating a mailbox */
    MAILBOX_DIR_CREATE_TYPE_MAILBOX,
    /* Create a \Noselect or a mailbox */
    MAILBOX_DIR_CREATE_TYPE_TRY_NOSELECT,
    /* Create a \Noselect or fail */
    MAILBOX_DIR_CREATE_TYPE_ONLY_NOSELECT
};

struct mailbox_list_vfuncs {
    struct mailbox_list *(*alloc)(void);
    void (*deinit)(struct mailbox_list *list);

    int (*get_storage)(struct mailbox_list **list, const char *vname,
               struct mail_storage **storage_r);
    bool (*is_valid_pattern)(struct mailbox_list *list,
                 const char *pattern);
    bool (*is_valid_existing_name)(struct mailbox_list *list,
                       const char *name);
    bool (*is_valid_create_name)(struct mailbox_list *list,
                     const char *name);

    char (*get_hierarchy_sep)(struct mailbox_list *list);
    const char *(*get_vname)(struct mailbox_list *list,
                 const char *storage_name);
    const char *(*get_storage_name)(struct mailbox_list *list,
                    const char *vname);
    const char *(*get_path)(struct mailbox_list *list, const char *name,
                enum mailbox_list_path_type type);

    const char *(*get_temp_prefix)(struct mailbox_list *list, bool global);
    const char *(*join_refpattern)(struct mailbox_list *list,
                       const char *ref, const char *pattern);

    struct mailbox_list_iterate_context *
        (*iter_init)(struct mailbox_list *list,
                 const char *const *patterns,
                 enum mailbox_list_iter_flags flags);
    const struct mailbox_info *
        (*iter_next)(struct mailbox_list_iterate_context *ctx);
    int (*iter_deinit)(struct mailbox_list_iterate_context *ctx);

    int (*get_mailbox_flags)(struct mailbox_list *list,
                 const char *dir, const char *fname,
                 enum mailbox_list_file_type type,
                 struct stat *st_r,
                 enum mailbox_info_flags *flags_r);
    /* Returns TRUE if name is mailbox's internal file/directory.
       If it does, mailbox deletion assumes it can safely delete it. */
    bool (*is_internal_name)(struct mailbox_list *list, const char *name);

    int (*set_subscribed)(struct mailbox_list *list,
                  const char *name, bool set);
    int (*create_mailbox_dir)(struct mailbox_list *list, const char *name,
                  enum mailbox_dir_create_type type);
    int (*delete_mailbox)(struct mailbox_list *list, const char *name);
    int (*delete_dir)(struct mailbox_list *list, const char *name);
    int (*rename_mailbox)(struct mailbox_list *oldlist, const char *oldname,
                  struct mailbox_list *newlist, const char *newname,
                  bool rename_children);
};

struct mailbox_list_module_register {
    unsigned int id;
};

union mailbox_list_module_context {
    struct mailbox_list_vfuncs super;
    struct mailbox_list_module_register *reg;
};

struct mailbox_list {
    const char *name;
    enum mailbox_list_properties props;
    size_t mailbox_name_max_length;

    struct mailbox_list_vfuncs v, *vlast;

/* private: */
    pool_t pool;
    struct mail_namespace *ns;
    struct mailbox_list_settings set;
    const struct mail_storage_settings *mail_set;
    enum mailbox_list_flags flags;

    /* -1 if not set yet. use mailbox_list_get_permissions() to set them */
    mode_t file_create_mode, dir_create_mode;
    gid_t file_create_gid;
    /* origin (e.g. path) where the file_create_gid was got from */
    const char *file_create_gid_origin;

    struct mailbox_log *changelog;
    time_t changelog_timestamp;

    char *error_string;
    enum mail_error error;
    bool temporary_error;

    ARRAY_DEFINE(module_contexts, union mailbox_list_module_context *);

    unsigned int index_root_dir_created:1;
};

struct mailbox_list_iterate_context {
    struct mailbox_list *list;
    enum mailbox_list_iter_flags flags;
    bool failed;
};

struct mailbox_list_iter_update_context {
    struct mailbox_list_iterate_context *iter_ctx;
    struct mailbox_tree_context *tree_ctx;

    struct imap_match_glob *glob;
    enum mailbox_info_flags leaf_flags, parent_flags;

    unsigned int update_only:1;
    unsigned int match_parents:1;
};

/* Modules should use do "my_id = mailbox_list_module_id++" and
   use objects' module_contexts[id] for their own purposes. */
extern struct mailbox_list_module_register mailbox_list_module_register;

void mailbox_lists_init(void);
void mailbox_lists_deinit(void);

int mailbox_list_settings_parse(struct mail_user *user, const char *data,
                struct mailbox_list_settings *set_r,
                const char **error_r);
const char *mailbox_list_default_get_storage_name(struct mailbox_list *list,
                          const char *vname);
const char *mailbox_list_default_get_vname(struct mailbox_list *list,
                       const char *storage_name);
const char *mailbox_list_get_unexpanded_path(struct mailbox_list *list,
                         enum mailbox_list_path_type type);
const char *mailbox_list_get_storage_name(struct mailbox_list *list,
                      const char *vname);
const char *mailbox_list_get_vname(struct mailbox_list *list, const char *name);
const char *
mailbox_list_get_root_path(const struct mailbox_list_settings *set,
               enum mailbox_list_path_type type);
int mailbox_list_mkdir(struct mailbox_list *list, const char *path,
               enum mailbox_list_path_type type);

int mailbox_list_delete_index_control(struct mailbox_list *list,
                      const char *name);

void mailbox_list_iter_update(struct mailbox_list_iter_update_context *ctx,
                  const char *name);

bool mailbox_list_name_is_too_large(const char *name, char sep);
enum mailbox_list_file_type mailbox_list_get_file_type(const struct dirent *d);
bool mailbox_list_try_get_absolute_path(struct mailbox_list *list,
                    const char **name);
int mailbox_list_create_missing_index_dir(struct mailbox_list *list,
                      const char *name);

void mailbox_list_add_change(struct mailbox_list *list,
                 enum mailbox_log_record_type type,
                 const uint8_t mailbox_guid[MAIL_GUID_128_SIZE]);
int mailbox_list_get_guid_path(struct mailbox_list *list, const char *path,
                   uint8_t mailbox_guid[MAIL_GUID_128_SIZE]);
void mailbox_name_get_sha128(const char *name,
                 uint8_t guid[MAIL_GUID_128_SIZE]);

void mailbox_list_clear_error(struct mailbox_list *list);
void mailbox_list_set_error(struct mailbox_list *list,
                enum mail_error error, const char *string);
void mailbox_list_set_critical(struct mailbox_list *list, const char *fmt, ...)
    ATTR_FORMAT(2, 3);
void mailbox_list_set_internal_error(struct mailbox_list *list);
bool mailbox_list_set_error_from_errno(struct mailbox_list *list);

#endif