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#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 "config.h" |
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#include "account.h" |
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#include "filter.h" |
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#ifdef SSL_TLS |
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#include <openssl/ssl.h> |
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#endif |
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/* Error codes returned by functions. */ |
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#define ERROR_UNDEFINED 1 |
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#define ERROR_TRIVIAL 2 |
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#define ERROR_SIGNAL 3 |
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#define ERROR_FILEOPEN 4 |
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#define ERROR_LOCKFILE 5 |
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#define ERROR_PARSER 6 |
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#define ERROR_MEMALLOC 7 |
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#define ERROR_SETUID 8 |
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#define ERROR_TERMIO 9 |
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#define ERROR_NETWORK 10 |
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#define ERROR_SSL 11 |
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#define ERROR_PASSPHRASE 12 |
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#define ERROR_ENCRYPT 13 |
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#define ERROR_DECRYPT 14 |
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#define ERROR_FORK 15 |
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/* SSL/TLS certificate status for the server. */ |
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#define CERT_OK 0 |
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#define CERT_NONE 1 |
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#define CERT_MISMATCH 2 |
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/* Action to be applied, concerning the SSL/TLS certificate. */ |
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#define CERT_ACTION_ACCEPT 0 |
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#define CERT_ACTION_REJECT 1 |
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#define CERT_ACTION_CONTINUE 0 |
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#define CERT_ACTION_ABORT 1 |
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/* Other flags. */ |
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#define FLAG_DAEMON 0x01 |
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#define FLAG_TTY 0x02 |
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#define FLAG_TTYMOD 0x04 |
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#define FLAG_BLANKPASS 0x08 |
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#define FLAG_SIGUSR1 0x10 |
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/* IMAP protocol supported by the server. */ |
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#define PROTOCOL_NONE 0x00 |
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#define PROTOCOL_IMAP4REV1 0x01 |
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#define PROTOCOL_IMAP4 0x02 |
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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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/* Flags for logger. */ |
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#define LOG_PREAMBLE 0 |
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#define LOG_ACCOUNT 1 |
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#define LOG_MBOX 2 |
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#define LOG_FILTER 3 |
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#define LOG_ACTION 4 |
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#define LOG_DEST_ACCOUNT 5 |
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#define LOG_DEST_MBOX 6 |
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#define LOG_HEADER 7 |
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/* Response codes. */ |
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#define RESPONSE_NULLBODY -2 |
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#define RESPONSE_NONE -1 |
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#define RESPONSE_OK 0 |
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#define RESPONSE_NO 1 |
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#define RESPONSE_BAD 2 |
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#define RESPONSE_BYE 3 |
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#define RESPONSE_PREAUTH 4 |
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#define RESPONSE_READONLY 5 |
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#define RESPONSE_TRYCREATE 6 |
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/* Buffer size of server's response. */ |
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#define RESPONSE_BUF 4096 |
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#define RESULT_BUF 512 |
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/* Encryption and decryption buffers. */ |
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#define ENCRYPT_BUF 1024 |
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#define DECRYPT_BUF 4096 |
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/* Buffer to save flags of the store IMAP command. */ |
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#define STORE_FLAGS_BUF 64 |
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/* Length of charset for IMAP SEARCH requests. */ |
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#define CHARSET_LEN 64 |
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/* String lengths of master password and encrypted passwords. */ |
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#define PASSPHRASE_LEN 256 |
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/* Length of mailbox namespace prefix. */ |
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#define NAMESPACE_PREFIX_LEN 64 |
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#define min(A, B) ((A) < (B) ? (A) : (B)) |
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#define plural(A) ((A) == 1 ? "" : "s") |
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/* Program's options. */ |
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typedef struct options { |
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int debug; /* Debugging level (1..2). */ |
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int verbosity; /* Verbosity level (-2..2). */ |
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int timeout; /* Server non-response timeout in seconds. */ |
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int daemon; /* Daemon mode interval. */ |
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int headers; /* Print messages headers to stdout. */ |
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int errors; /* Errors appended to logfile. */ |
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int namespace; /* Apply mailbox namespace automatically. */ |
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int expunge; /* Expunge messages after they are marked |
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* deleted. */ |
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int subscribe; /* Subscribe newly created mailboxes. */ |
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int peek; /* Do not mark messages seen when their |
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* headers are received. */ |
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int passwd_editor; /* Enter interactive password editor. */ |
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char charset[CHARSET_LEN]; /* Search criteria character set. */ |
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char logfile[PATH_MAX]; /* Log file for filtering information. */ |
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} options_t; |
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/* IMAP connection. */ |
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typedef struct connection { |
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int sock; /* Socket. */ |
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#ifdef SSL_TLS |
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SSL *ssl; /* SSL socket. */ |
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#endif |
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unsigned int prot; /* IMAP protocol. Currently IMAP4rev1 and |
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* IMAP4 are supported. */ |
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unsigned int caps; /* Capabilities of the mail server. */ |
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struct { /* Namespace of the mail server's mailboxes. */ |
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char prefix[NAMESPACE_PREFIX_LEN]; /* Namespace prefix. */ |
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char delim; /* Namespace delimiter. */ |
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} ns; |
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} connection_t; |
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/* action.c */ |
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int apply_action(char *mbox, char *mesgs, unsigned int *type, account_t * destacct, char *destmbox, unsigned int *msgflags, char *args); |
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/* auth.c */ |
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#ifdef CRAM_MD5 |
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int auth_cram_md5(connection_t * conn, char *user, char *pass); |
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#endif |
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/* cert.c */ |
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#ifdef SSL_TLS |
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int get_cert(connection_t * conn); |
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#endif |
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/* destroy.c */ |
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void destroy_all(void); |
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void destroy_unneeded(void); |
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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 check_file_perms(char *fname, mode_t mode); |
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int check_dir_perms(char *dname, mode_t mode); |
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/* imap.c */ |
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int imap_noop(connection_t * conn); |
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int imap_capability(connection_t * conn); |
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int imap_namespace(connection_t * conn); |
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int imap_logout(connection_t * conn); |
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#ifdef SSL_TLS |
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int imap_starttls(connection_t * conn); |
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#endif |
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int imap_authenticate(connection_t * conn, char *auth, int cont); |
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int imap_login(connection_t * conn, char *user, char *pass); |
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/* int imap_list(connection_t *conn, char *refer, char *mbox); */ |
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int imap_subscribe(connection_t * conn, char *mbox); |
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int imap_examine(connection_t * conn, char *mbox); |
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int imap_select(connection_t * conn, char *mbox); |
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int imap_status(connection_t * conn, char *mbox, char *items); |
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int imap_create(connection_t * conn, char *mbox); |
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int imap_search(connection_t * conn, char *charset, char *search); |
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int imap_fetch(connection_t * conn, char *mesg, char *items); |
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int imap_store(connection_t * conn, char *mesg, unsigned int mode, char *flags); |
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int imap_copy(connection_t * conn, char *mesg, char *mbox); |
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int imap_append(connection_t * conn, char *mbox, char *flags, char *date, unsigned int size); |
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int imap_close(connection_t * conn); |
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int imap_expunge(connection_t * conn); |
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/* lock.c */ |
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void lockfile_create(void); |
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void lockfile_check(void); |
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int lockfile_remove(void); |
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void kill_imapfilter(void); |
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/* log.c */ |
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void info(const char *info,...); |
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void verbose(const char *info,...); |
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void debug(const char *debug,...); |
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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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void catch_signals(void); |
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int debug_start(void); |
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int debug_stop(void); |
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int log_start(void); |
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int log_stop(void); |
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void log_info(int flag, void *ptr); |
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/* match.c */ |
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int apply_filters(char *mbox, filter_t ** filters); |
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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 *s); |
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void *smalloc(size_t size); |
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void *srealloc(void *ptr, size_t size); |
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void sfree(void *ptr); |
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char *sstrdup(const char *s); |
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void secmem_clear(void); |
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void corefile_disable(void); |
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/* misc.c */ |
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char *strcasestr(const char *haystack, const char *needle); |
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char *ultostr(unsigned long int num, int base); |
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char *xstrncpy(char *dest, const char *src, size_t size); |
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/* parse.c */ |
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int read_config(char *cfg); |
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void reread_config(char *cfg); |
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int read_passwords(void); |
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/* passwd.c */ |
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void get_password(char *passwd, size_t pwlen); |
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#ifdef ENCRYPTED_PASSWORDS |
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int encrypt_passwords(FILE * fd, account_t ** accts); |
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int decrypt_passwords(unsigned char **buf, FILE * fd); |
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void password_editor(void); |
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#endif |
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/* request.c */ |
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int test(connection_t * conn); |
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int check_capabilities(connection_t * conn); |
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int check_namespace(connection_t * conn); |
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#ifdef SSL_TLS |
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int negotiate_tls(connection_t * conn); |
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#endif |
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int login(connection_t * conn, char *user, char *pass); |
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int check_mailbox(connection_t * conn, char *mbox); |
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int select_mailbox(connection_t * conn, char *mbox); |
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int mailbox_status(connection_t * conn, char *mbox); |
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int close_mailbox(connection_t * conn); |
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int logout(connection_t * conn); |
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/* response.c */ |
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int response_generic(connection_t * conn, unsigned int tag); |
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int response_greeting(connection_t * conn); |
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int response_logout(connection_t * conn, unsigned int tag); |
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int response_capability(connection_t * conn, unsigned int tag); |
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int response_authenticate(connection_t * conn, unsigned int tag, unsigned char **cont); |
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int response_namespace(connection_t * conn, unsigned int tag); |
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int response_status(connection_t * conn, unsigned int tag, char *mbox); |
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int response_examine(connection_t * conn, unsigned int tag, char *mbox); |
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int response_select(connection_t * conn, unsigned int tag); |
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int response_search(connection_t * conn, unsigned int tag, char **mesgs); |
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int response_fetch(connection_t * conn, unsigned int tag, int reset, char *fetch); |
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int response_fetchfast(connection_t * conn, char **flags, char **date, unsigned int *size, unsigned int tag); |
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int response_append(connection_t * conn, unsigned int tag); |
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int response_copy(connection_t * conn, unsigned int tag); |
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/* socket.c */ |
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int |
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init_connection(connection_t * conn, char *serv, unsigned short int port, unsigned int protocol); |
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#ifdef SSL_TLS |
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int init_secure_connection(connection_t * conn, unsigned int protocol); |
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#endif |
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int close_connection(connection_t * conn); |
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int socket_read(connection_t * conn, char *buf); |
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int socket_write(connection_t * conn, char *data); |
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/* tty.c */ |
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int tty_store(void); |
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int tty_noecho(void); |
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int tty_restore(void); |
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#endif /* IMAPFILTER_H */ |
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