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#ifndef _ANTISPAM_PLUGIN_H
#define _ANTISPAM_PLUGIN_H
#include "lib.h"
#include "str.h"
#include "client.h"
#include "ostream.h"
#include "dict.h"
#include "imap-search.h"
#include "dovecot-version.h"
#define __stringify_1(x) #x
#define stringify(x) __stringify_1(x)
#define __PLUGIN_FUNCTION(name, ioe) \
name ## _plugin_ ## ioe
#define _PLUGIN_FUNCTION(name, ioe) \
__PLUGIN_FUNCTION(name, ioe)
#define PLUGIN_FUNCTION(ioe) \
_PLUGIN_FUNCTION(PLUGINNAME, ioe)
extern uint32_t PLUGIN_FUNCTION(id);
struct antispam_transaction_context;
enum classification {
CLASS_NOTSPAM,
CLASS_SPAM,
};
void backend_init(pool_t pool);
void backend_exit(void);
/*
* Handle mail; parameters are
* - t: transaction context
* - ast: transaction context from backend_start()
* - mail: the message
* - wanted: the wanted classification determined by the user
*/
int backend_handle_mail(struct mailbox_transaction_context *t,
struct antispam_transaction_context *ast,
struct mail *mail, enum classification wanted);
struct antispam_transaction_context *backend_start(struct mailbox *box);
void backend_rollback(struct antispam_transaction_context *ast);
int backend_commit(struct mailbox_transaction_context *ctx,
struct antispam_transaction_context *ast);
#ifdef CONFIG_DEBUG
void debug(const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
void debugv(char **args);
#else
static void debug(const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
static inline void debug(const char *fmt __attribute__((unused)), ...)
{
}
static inline void debugv(char **args __attribute__((unused)))
{
}
#endif
#if defined(CONFIG_DEBUG) && defined(CONFIG_DEBUG_VERBOSE)
/* bit of an ugly short-cut */
#define debug_verbose debug
#else
static void debug_verbose(const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
static inline void debug_verbose(const char *fmt __attribute__((unused)), ...)
{
}
#endif
void antispam_mail_storage_created(struct mail_storage *storage);
void (*antispam_next_hook_mail_storage_created)(struct mail_storage *storage);
bool mailbox_is_spam(struct mailbox *box);
bool mailbox_is_trash(struct mailbox *box);
bool mailbox_is_unsure(struct mailbox *box);
const char *get_setting(const char *name);
bool antispam_can_append_to_spam;
bool keyword_is_spam(const char *keyword);
extern bool need_keyword_hook;
extern bool need_folder_hook;
/*
* Dovecot version compat code
*/
#if DOVECOT_VERSION_CODE(1, 1) == DOVECOT_VERSION || DOVECOT_VERSION_CODE(1, 2) == DOVECOT_VERSION
#define __attr_unused__ ATTR_UNUSED
#define ME(err) MAIL_ERROR_ ##err,
#define PLUGIN_ID uint32_t PLUGIN_FUNCTION(id) = 0
#define mempool_unref(x) pool_unref(x)
static inline struct istream *get_mail_stream(struct mail *mail)
{
struct istream *result;
if (mail_get_stream(mail, NULL, NULL, &result) < 0)
return NULL;
return result;
}
static inline const char *const *
get_mail_headers(struct mail *mail, const char *hdr)
{
const char *const *result;
if (mail_get_headers(mail, hdr, &result) < 0)
return NULL;
return result;
}
static inline struct ostream *
o_stream_create_from_fd(int fd, pool_t pool ATTR_UNUSED)
{
return o_stream_create_fd(fd, 0, TRUE);
}
static inline struct dict *
string_dict_init(const char *uri, const char *username)
{
return dict_init(uri, DICT_DATA_TYPE_STRING, username);
}
#elif DOVECOT_VERSION_CODE(1, 0) == DOVECOT_VERSION
#define ME(err)
#define PLUGIN_ID
#define str_array_length(x) strarray_length(x)
#define mempool_unref(x) pool_unref(*(x))
static inline struct istream *get_mail_stream(struct mail *mail)
{
return mail_get_stream(mail, NULL, NULL);
}
static inline const char *const *
get_mail_headers(struct mail *mail, const char *hdr)
{
return mail_get_headers(mail, hdr);
}
static inline struct ostream *
o_stream_create_from_fd(int fd, pool_t pool)
{
return o_stream_create_file(fd, pool, 0, TRUE);
}
static inline struct dict *
string_dict_init(const char *uri, const char *username)
{
return dict_init(uri, username);
}
#else
#error "Building against this dovecot version is not supported"
#endif
#endif /* _ANTISPAM_PLUGIN_H */
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