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#ifndef IMAPFILTER_H
#define IMAPFILTER_H
#include <stdio.h>
#include <sys/types.h>
#include <limits.h>
#include <lua.h>
#include <lualib.h>
#include "session.h"
#ifndef NO_SSLTLS
#include <openssl/ssl.h>
#endif
/* Fatal error exit codes. */
#define ERROR_SIGNAL 1
#define ERROR_CONFIG 2
#define ERROR_MEMALLOC 3
#define ERROR_PATHNAME 4
/* IMAP protocol supported by the server. */
#define PROTOCOL_NONE 0
#define PROTOCOL_IMAP4REV1 1
#define PROTOCOL_IMAP4 2
/* Capabilities of mail server. */
#define CAPABILITY_NONE 0x00
#define CAPABILITY_NAMESPACE 0x01
#define CAPABILITY_CRAMMD5 0x02
#define CAPABILITY_STARTTLS 0x04
#define CAPABILITY_CHILDREN 0x08
/* Status responses and response codes. */
#define STATUS_RESPONSE_NONE 0
#define STATUS_RESPONSE_OK 1
#define STATUS_RESPONSE_NO 2
#define STATUS_RESPONSE_BAD 3
#define STATUS_RESPONSE_BYE 4
#define STATUS_RESPONSE_PREAUTH 5
#define STATUS_RESPONSE_READONLY 6
#define STATUS_RESPONSE_TRYCREATE 7
#define STATUS_RESPONSE_CONTINUE 8
/* Initial buffer size for input, output and namespace buffers. */
#define INPUT_BUF 4096
#define OUTPUT_BUF 1024
#define NAMESPACE_BUF 128
/* Maximum length, in bytes, of a utility's input line. */
#ifndef LINE_MAX
#define LINE_MAX 2048
#endif
/* Program's options. */
typedef struct options {
int debug; /* Debugging level (0..2). */
int verbose; /* Verbose mode. */
int interactive; /* Act as an interpreter. */
char *log; /* Log file for error messages. */
char *config; /* Configuration file. */
char *oneline; /* One line of program/configuration. */
} options;
/* Environment variables. */
typedef struct environment {
char *home; /* User's home directory. */
long pathmax; /* Maximum pathname. */
} environment;
/* auth.c */
#ifndef NO_CRAMMD5
int auth_cram_md5(session *ssn, const char *user, const char *pass);
#endif
/* cert.c */
#ifndef NO_SSLTLS
int get_cert(session *ssn);
#endif
/* core.c */
LUALIB_API int luaopen_ifcore(lua_State *lua);
/* file.c */
int create_homedir(void);
int exists_file(char *fname);
int exists_dir(char *fname);
int create_file(char *fname, mode_t mode);
int get_pathmax(void);
/* imap.c */
int imap_continuation(session *ssn, const char *cont, size_t len);
int imap_capability(session *ssn);
int imap_noop(session *ssn);
int imap_logout(session *ssn);
#ifndef NO_SSLTLS
int imap_starttls(session *ssn);
#endif
int imap_authenticate(session *ssn, const char *auth);
int imap_login(session *ssn, const char *user, const char *pass);
int imap_select(session *ssn, const char *mbox);
int imap_examine(session *ssn, const char *mbox);
int imap_create(session *ssn, const char *mbox);
int imap_delete(session *ssn, const char *mbox);
int imap_rename(session *ssn, const char *oldmbox, const char *newmbox);
int imap_subscribe(session *ssn, const char *mbox);
int imap_unsubscribe(session *ssn, const char *mbox);
int imap_list(session *ssn, const char *refer, const char *name);
int imap_lsub(session *ssn, const char *refer, const char *name);
int imap_status(session *ssn, const char *mbox, const char *items);
int imap_append(session *ssn, const char *mbox, const char *flags,
const char *date, unsigned int size);
int imap_check(session *ssn);
int imap_close(session *ssn);
int imap_expunge(session *ssn);
int imap_search(session *ssn, const char *charset, const char *criteria);
int imap_fetch(session *ssn, const char *mesg, const char *items);
int imap_store(session *ssn, const char *mesg, const char *mode,
const char *flags);
int imap_copy(session *ssn, const char *mesg, const char *mbox);
int imap_namespace(session *ssn);
/* log.c */
void verbose(const char *info,...);
void debug(const char *debug,...);
void debugc(char c);
void error(const char *errmsg,...);
void fatal(unsigned int errnum, const char *fatal,...);
int open_debug(void);
int close_debug(void);
int open_log(void);
int close_log(void);
/* lua.c */
void start_lua(void);
void stop_lua(void);
int get_option_boolean(const char *opt);
lua_Number get_option_number(const char *opt);
const char *get_option_string(const char *opt);
int get_table_type(const char *key);
lua_Number get_table_number(const char *key);
const char *get_table_string(const char *key);
int set_table_nil(const char *key);
int set_table_boolean(const char *key, int value);
int set_table_number(const char *key, lua_Number value);
int set_table_string(const char *key, const char *value);
/* memory.c */
void *xmalloc(size_t size);
void *xrealloc(void *ptr, size_t size);
void xfree(void *ptr);
char *xstrdup(const char *str);
char *xstrndup(const char *str, size_t len);
/* misc.c */
const char *xstrcasestr(const char *haystack, const char *needle);
char *xstrncpy(char *dest, const char *src, size_t size);
/* namespace.c */
const char *apply_namespace(const char *mbox, char *prefix, char delim);
const char *reverse_namespace(const char *mbox, char *prefix, char delim);
/* pcre.c */
LUALIB_API int luaopen_ifre(lua_State *lua);
/* request.c */
int request_noop(const char *server, const char *port, const char *user);
int request_login(const char *server, const char *port, const char *ssl,
const char *user, const char *pass);
int request_logout(const char *server, const char *port, const char *user);
int request_status(const char *server, const char *port, const char *user,
const char *mbox, unsigned int *exist, unsigned int *recent,
unsigned int *unseen);
int request_select(const char *server, const char *port, const char *user,
const char *mbox);
int request_close(const char *server, const char *port, const char *user);
int request_expunge(const char *server, const char *port, const char *user);
int request_list(const char *server, const char *port, const char *user,
const char *refer, const char *name, char **mboxs, char **folders);
int request_lsub(const char *server, const char *port, const char *user,
const char *refer, const char *name, char **mboxs, char **folders);
int request_search(const char *server, const char *port, const char *user,
const char *criteria, const char *charset, char **mesgs);
int request_fetchfast(const char *server, const char *port, const char *user,
const char *mesg, char **flags, char **date, char **size);
int request_fetchflags(const char *server, const char *port, const char *user,
const char *mesg, char **flags);
int request_fetchdate(const char *server, const char *port, const char *user,
const char *mesg, char **date);
int request_fetchsize(const char *server, const char *port, const char *user,
const char *mesg, char **size);
int request_fetchheader(const char *server, const char *port, const char *user,
const char *mesg, char **header, size_t *len);
int request_fetchtext(const char *server, const char *port, const char *user,
const char *mesg, char **text, size_t *len);
int request_fetchfields(const char *server, const char *port, const char *user,
const char *mesg, const char *headerfields, char **fields, size_t *len);
int request_store(const char *server, const char *port, const char *user,
const char *mesg, const char *mode, const char *flags);
int request_copy(const char *server, const char *port, const char *user,
const char *mesg, const char *mbox);
int request_append(const char *server, const char *port, const char *user,
const char *mbox, const char *mesg, size_t mesglen, const char *flags,
const char *date);
int request_create(const char *server, const char *port, const char *user,
const char *mbox);
int request_delete(const char *server, const char *port, const char *user,
const char *mbox);
int request_rename(const char *server, const char *port, const char *user,
const char *oldmbox, const char *newmbox);
int request_subscribe(const char *server, const char *port, const char *user,
const char *mbox);
int request_unsubscribe(const char *server, const char *port, const char *user,
const char *mbox);
/* response.c */
int response_generic(session *ssn, int tag);
int response_greeting(session *ssn);
int response_capability(session *ssn, int tag);
int response_authenticate(session *ssn, int tag, unsigned char **cont);
int response_namespace(session *ssn, int tag);
int response_status(session *ssn, int tag, unsigned int *exist,
unsigned int *recent, unsigned int *unseen);
int response_examine(session *ssn, int tag, unsigned int *exist,
unsigned int *recent);
int response_select(session *ssn, int tag);
int response_list(session *ssn, int tag, char **mboxs, char **folders);
int response_search(session *ssn, int tag, char **mesgs);
int response_fetchfast(session *ssn, int tag, char **flags, char **date,
char **size);
int response_fetchflags(session *ssn, int tag, char **flags);
int response_fetchdate(session *ssn, int tag, char **date);
int response_fetchsize(session *ssn, int tag, char **size);
int response_fetchbody(session *ssn, int tag, char **body, size_t *len);
/* signal.c */
void catch_signals(void);
void release_signals(void);
/* socket.c */
int open_connection(session *ssn, const char *server, const char *port,
const char *protocol);
int close_connection(session *ssn);
ssize_t socket_read(session *ssn, char *buf, size_t len);
ssize_t socket_write(session *ssn, const char *buf, size_t len);
#ifndef NO_SSLTLS
int open_secure_connection(session *ssn, const char *server, const char *port,
const char *protocol);
int close_secure_connection(session *ssn);
ssize_t socket_secure_read(session *ssn, char *buf, size_t len);
ssize_t socket_secure_write(session *ssn, const char *buf, size_t len);
#endif
/* system.c */
LUALIB_API int luaopen_ifsys(lua_State *lua);
#endif /* IMAPFILTER_H */
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