286 lines
10 KiB
C
286 lines
10 KiB
C
#ifndef IMAPFILTER_H
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#define IMAPFILTER_H
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#include <stdio.h>
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#include <sys/types.h>
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#include <limits.h>
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#include <lua.h>
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#include <lualib.h>
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#include "session.h"
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#ifndef NO_SSLTLS
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#include <openssl/ssl.h>
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#endif
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/* Fatal error exit codes. */
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#define ERROR_SIGNAL 1
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#define ERROR_CONFIG 2
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#define ERROR_MEMALLOC 3
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#define ERROR_PATHNAME 4
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#define ERROR_CERTIFICATE 5
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/* IMAP protocol supported by the server. */
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#define PROTOCOL_NONE 0
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#define PROTOCOL_IMAP4REV1 1
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#define PROTOCOL_IMAP4 2
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/* Capabilities of mail server. */
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#define CAPABILITY_NONE 0x00
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#define CAPABILITY_NAMESPACE 0x01
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#define CAPABILITY_CRAMMD5 0x02
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#define CAPABILITY_STARTTLS 0x04
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#define CAPABILITY_CHILDREN 0x08
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#define CAPABILITY_IDLE 0x10
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/* Status responses and response codes. */
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#define STATUS_RESPONSE_NONE 0
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#define STATUS_RESPONSE_OK 1
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#define STATUS_RESPONSE_NO 2
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#define STATUS_RESPONSE_BAD 3
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#define STATUS_RESPONSE_UNTAGGED 4
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#define STATUS_RESPONSE_CONTINUE 5
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#define STATUS_RESPONSE_BYE 6
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#define STATUS_RESPONSE_PREAUTH 7
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#define STATUS_RESPONSE_READONLY 8
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#define STATUS_RESPONSE_TRYCREATE 9
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#define STATUS_RESPONSE_TIMEOUT 10
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/* Initial buffer size for input, output and namespace buffers. */
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#define INPUT_BUF 4096
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#define OUTPUT_BUF 1024
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#define NAMESPACE_BUF 128
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/* Maximum length, in bytes, of a utility's input line. */
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#ifndef LINE_MAX
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#define LINE_MAX 2048
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#endif
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/* Program's options. */
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typedef struct options {
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int debug; /* Debugging level (0..2). */
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int verbose; /* Verbose mode. */
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int interactive; /* Act as an interpreter. */
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char *log; /* Log file for error messages. */
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char *config; /* Configuration file. */
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char *oneline; /* One line of program/configuration. */
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} options;
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/* Environment variables. */
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typedef struct environment {
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char *home; /* User's home directory. */
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long pathmax; /* Maximum pathname. */
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} environment;
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/* auth.c */
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#ifndef NO_CRAMMD5
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int auth_cram_md5(session *ssn, const char *user, const char *pass);
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#endif
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/* cert.c */
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#ifndef NO_SSLTLS
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int get_cert(session *ssn);
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#endif
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/* core.c */
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LUALIB_API int luaopen_ifcore(lua_State *lua);
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/* file.c */
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int create_homedir(void);
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int exists_file(char *fname);
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int exists_dir(char *fname);
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int create_file(char *fname, mode_t mode);
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int get_pathmax(void);
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/* imap.c */
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int imap_continuation(session *ssn, const char *cont, size_t len);
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int imap_capability(session *ssn);
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int imap_noop(session *ssn);
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int imap_logout(session *ssn);
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#ifndef NO_SSLTLS
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int imap_starttls(session *ssn);
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#endif
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int imap_authenticate(session *ssn, const char *auth);
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int imap_login(session *ssn, const char *user, const char *pass);
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int imap_select(session *ssn, const char *mbox);
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int imap_examine(session *ssn, const char *mbox);
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int imap_create(session *ssn, const char *mbox);
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int imap_delete(session *ssn, const char *mbox);
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int imap_rename(session *ssn, const char *oldmbox, const char *newmbox);
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int imap_subscribe(session *ssn, const char *mbox);
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int imap_unsubscribe(session *ssn, const char *mbox);
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int imap_list(session *ssn, const char *refer, const char *name);
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int imap_lsub(session *ssn, const char *refer, const char *name);
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int imap_status(session *ssn, const char *mbox, const char *items);
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int imap_append(session *ssn, const char *mbox, const char *flags,
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const char *date, unsigned int size);
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int imap_check(session *ssn);
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int imap_close(session *ssn);
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int imap_expunge(session *ssn);
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int imap_search(session *ssn, const char *charset, const char *criteria);
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int imap_fetch(session *ssn, const char *mesg, const char *items);
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int imap_store(session *ssn, const char *mesg, const char *mode,
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const char *flags);
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int imap_copy(session *ssn, const char *mesg, const char *mbox);
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int imap_namespace(session *ssn);
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int imap_idle(session *ssn);
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int imap_done(session *ssn);
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/* log.c */
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void verbose(const char *info,...);
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void debug(const char *debug,...);
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void debugc(char c);
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void error(const char *errmsg,...);
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void fatal(unsigned int errnum, const char *fatal,...);
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int open_debug(void);
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int close_debug(void);
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int open_log(void);
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int close_log(void);
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/* lua.c */
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void start_lua(void);
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void stop_lua(void);
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int get_option_boolean(const char *opt);
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lua_Number get_option_number(const char *opt);
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const char *get_option_string(const char *opt);
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int get_table_type(const char *key);
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lua_Number get_table_number(const char *key);
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const char *get_table_string(const char *key);
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int set_table_nil(const char *key);
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int set_table_boolean(const char *key, int value);
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int set_table_number(const char *key, lua_Number value);
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int set_table_string(const char *key, const char *value);
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/* memory.c */
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void *xmalloc(size_t size);
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void *xrealloc(void *ptr, size_t size);
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void xfree(void *ptr);
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char *xstrdup(const char *str);
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char *xstrndup(const char *str, size_t len);
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/* misc.c */
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const char *xstrcasestr(const char *haystack, const char *needle);
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char *xstrncpy(char *dest, const char *src, size_t size);
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/* namespace.c */
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const char *apply_namespace(const char *mbox, char *prefix, char delim);
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const char *reverse_namespace(const char *mbox, char *prefix, char delim);
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/* pcre.c */
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LUALIB_API int luaopen_ifre(lua_State *lua);
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/* request.c */
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int request_noop(const char *server, const char *port, const char *user);
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int request_login(const char *server, const char *port, const char *ssl,
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const char *user, const char *pass);
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int request_logout(const char *server, const char *port, const char *user);
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int request_status(const char *server, const char *port, const char *user,
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const char *mbox, unsigned int *exist, unsigned int *recent,
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unsigned int *unseen, unsigned int *uidnext);
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int request_select(const char *server, const char *port, const char *user,
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const char *mbox);
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int request_close(const char *server, const char *port, const char *user);
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int request_expunge(const char *server, const char *port, const char *user);
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int request_list(const char *server, const char *port, const char *user,
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const char *refer, const char *name, char **mboxs, char **folders);
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int request_lsub(const char *server, const char *port, const char *user,
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const char *refer, const char *name, char **mboxs, char **folders);
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int request_search(const char *server, const char *port, const char *user,
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const char *criteria, const char *charset, char **mesgs);
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int request_fetchfast(const char *server, const char *port, const char *user,
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const char *mesg, char **flags, char **date, char **size);
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int request_fetchflags(const char *server, const char *port, const char *user,
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const char *mesg, char **flags);
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int request_fetchdate(const char *server, const char *port, const char *user,
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const char *mesg, char **date);
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int request_fetchsize(const char *server, const char *port, const char *user,
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const char *mesg, char **size);
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int request_fetchstructure(const char *server, const char *port,
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const char *user, const char *mesg, char **structure);
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int request_fetchheader(const char *server, const char *port, const char *user,
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const char *mesg, char **header, size_t *len);
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int request_fetchtext(const char *server, const char *port, const char *user,
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const char *mesg, char **text, size_t *len);
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int request_fetchfields(const char *server, const char *port, const char *user,
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const char *mesg, const char *headerfields, char **fields, size_t *len);
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int request_fetchpart(const char *server, const char *port, const char *user,
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const char *mesg, const char *bodypart, char **part, size_t *len);
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int request_store(const char *server, const char *port, const char *user,
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const char *mesg, const char *mode, const char *flags);
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int request_copy(const char *server, const char *port, const char *user,
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const char *mesg, const char *mbox);
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int request_append(const char *server, const char *port, const char *user,
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const char *mbox, const char *mesg, size_t mesglen, const char *flags,
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const char *date);
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int request_create(const char *server, const char *port, const char *user,
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const char *mbox);
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int request_delete(const char *server, const char *port, const char *user,
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const char *mbox);
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int request_rename(const char *server, const char *port, const char *user,
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const char *oldmbox, const char *newmbox);
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int request_subscribe(const char *server, const char *port, const char *user,
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const char *mbox);
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int request_unsubscribe(const char *server, const char *port, const char *user,
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const char *mbox);
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int request_idle(const char *server, const char *port, const char *user);
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/* response.c */
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int response_generic(session *ssn, int tag);
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int response_continuation(session *ssn);
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int response_greeting(session *ssn);
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int response_capability(session *ssn, int tag);
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int response_authenticate(session *ssn, int tag, unsigned char **cont);
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int response_namespace(session *ssn, int tag);
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int response_status(session *ssn, int tag, unsigned int *exist,
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unsigned int *recent, unsigned int *unseen, unsigned int *uidnext);
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int response_examine(session *ssn, int tag, unsigned int *exist,
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unsigned int *recent);
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int response_select(session *ssn, int tag);
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int response_list(session *ssn, int tag, char **mboxs, char **folders);
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int response_search(session *ssn, int tag, char **mesgs);
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int response_fetchfast(session *ssn, int tag, char **flags, char **date,
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char **size);
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int response_fetchflags(session *ssn, int tag, char **flags);
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int response_fetchdate(session *ssn, int tag, char **date);
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int response_fetchsize(session *ssn, int tag, char **size);
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int response_fetchstructure(session *ssn, int tag, char **structure);
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int response_fetchbody(session *ssn, int tag, char **body, size_t *len);
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int response_idle(session *ssn, int tag);
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/* signal.c */
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void catch_signals(void);
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void release_signals(void);
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/* socket.c */
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int open_connection(session *ssn, const char *server, const char *port,
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const char *protocol);
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int close_connection(session *ssn);
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ssize_t socket_read(session *ssn, char *buf, size_t len, long timeout,
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int timeoutfail);
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ssize_t socket_write(session *ssn, const char *buf, size_t len);
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#ifndef NO_SSLTLS
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int open_secure_connection(session *ssn, const char *server, const char *port,
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const char *protocol);
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int close_secure_connection(session *ssn);
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ssize_t socket_secure_read(session *ssn, char *buf, size_t len);
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ssize_t socket_secure_write(session *ssn, const char *buf, size_t len);
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#endif
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/* system.c */
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LUALIB_API int luaopen_ifsys(lua_State *lua);
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#endif /* IMAPFILTER_H */
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