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#ifndef IMAPFILTER_H |
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#define IMAPFILTER_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_SIGNAL 1 |
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#define ERROR_TRIVIAL 2 |
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#define ERROR_FILE_OPEN 3 |
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#define ERROR_LOCKFILE 4 |
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#define ERROR_CONFIG_PARSE 5 |
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#define ERROR_MEMORY_ALLOCATION 6 |
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#define ERROR_SETUID 7 |
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#define ERROR_TERMIO 8 |
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#define ERROR_NETWORK 9 |
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#define ERROR_SSL 10 |
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#define ERROR_PASSPHRASE 11 |
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#define ERROR_ENCRYPT 12 |
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#define ERROR_DECRYPT 13 |
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#define ERROR_FORK 14 |
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#define ERROR_UNDEFINED 15 |
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/* SSL/TLS certificate status for the server. */ |
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#define SSL_CERT_OK 0 |
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#define SSL_CERT_NONEXISTENT 1 |
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#define SSL_CERT_MISMATCH 2 |
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/* Action to be applied, concerning the SSL/TLS certificate. */ |
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#define SSL_CERT_ACTION_ACCEPT 0 |
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#define SSL_CERT_ACTION_REJECT 1 |
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#define SSL_CERT_ACTION_CONTINUE 0 |
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#define SSL_CERT_ACTION_ABORT 1 |
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/* Flags that control the program's execution options. */ |
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#define OPTION_DETAILS_QUIET 0x0001 |
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#define OPTION_DETAILS_NORMAL 0x0002 |
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#define OPTION_DETAILS_VERBOSE 0x0004 |
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#define OPTION_DETAILS_CLEAR 0xfff8 |
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#define OPTION_ERRORS 0x0008 |
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#define OPTION_EXPUNGE 0x0010 |
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#define OPTION_HEADERS 0x0020 |
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#define OPTION_NAMESPACE 0x0040 |
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#define OPTION_SUBSCRIBE 0x0080 |
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#define OPTION_PASSWORD_EDITOR 0x0100 |
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#define OPTION_DAEMON_MODE 0x0200 |
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/* Other flags. */ |
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#define FLAG_DAEMON_MODE 0x01 |
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#define FLAG_TTY 0x02 |
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#define FLAG_TTY_MODIFIED 0x04 |
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#define FLAG_BLANK_PASSWORD 0x08 |
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#define FLAG_SIGHUP_RECEIVED 0x10 |
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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_AUTH_CRAM_MD5 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_MAILBOX 2 |
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#define LOG_FILTER 3 |
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#define LOG_ACTION 4 |
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#define LOG_DESTINATION_ACCOUNT 5 |
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#define LOG_DESTINATION_MAILBOX 6 |
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#define LOG_HEADER 7 |
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/* Store IMAP command type may replace,add or remove flags. */ |
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#define STORE_FLAG_REPLACE 1 |
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#define STORE_FLAG_ADD 2 |
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#define STORE_FLAG_REMOVE 3 |
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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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/* 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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/* Encryption and decryption buffers. */ |
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#define ENCRYPTION_BUF 1024 |
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#define DECRYPTION_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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/* Lenght 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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/* IMAP connection. */ |
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typedef struct conn { |
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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 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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} nsp; |
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} conn_t; |
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/* action.c */ |
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int apply_action(char *mbox, char *mesgs, unsigned int *type, account_t * raccount, 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(conn_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(conn_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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#ifdef CHECK_PERMISSIONS |
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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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#endif |
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/* imap.c */ |
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#ifdef DEBUG |
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int imap_noop(conn_t * conn); |
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#endif |
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int imap_capability(conn_t * conn); |
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int imap_namespace(conn_t * conn); |
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int imap_logout(conn_t * conn); |
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#ifdef SSL_TLS |
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int imap_starttls(conn_t * conn); |
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#endif |
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int imap_authenticate(conn_t * conn, char *auth, int cont); |
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int imap_login(conn_t * conn, char *user, char *pass); |
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/* int imap_list(conn_t *conn, char *refer, char *mbox); */ |
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int imap_subscribe(conn_t * conn, char *mbox); |
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/* int imap_examine(conn_t *conn, char *mbox); */ |
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int imap_select(conn_t * conn, char *mbox); |
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int imap_status(conn_t * conn, char *mbox, char *items); |
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int imap_create(conn_t * conn, char *mbox); |
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int imap_search(conn_t * conn, char *charset, char *search); |
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int imap_fetch(conn_t * conn, char *mesg, char *items); |
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int imap_store(conn_t * conn, char *mesg, unsigned int mode, char *flags); |
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int imap_copy(conn_t * conn, char *mesg, char *mbox); |
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int imap_append(conn_t * conn, char *mbox, unsigned int size); |
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int imap_close(conn_t * conn); |
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int imap_expunge(conn_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 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 open_logfile(void); |
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int close_logfile(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(conn_t * conn); |
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int check_capabilities(conn_t * conn); |
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int check_namespace(conn_t * conn); |
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#ifdef SSL_TLS |
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int negotiate_tls(conn_t * conn); |
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#endif |
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int login(conn_t * conn, char *user, char *pass); |
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int check_mailbox(conn_t * conn, char *mbox); |
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int select_mailbox(conn_t * conn, char *mbox); |
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int mailbox_status(conn_t * conn, char *mbox); |
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int close_mailbox(conn_t * conn); |
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int logout(conn_t * conn); |
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/* response.c */ |
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int server_response(conn_t * conn, unsigned int tag); |
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int greeting_response(conn_t * conn); |
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int logout_response(conn_t * conn, unsigned int tag); |
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int capability_response(conn_t * conn, unsigned int tag); |
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int authenticate_response(conn_t * conn, unsigned int tag, unsigned char **cont); |
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int namespace_response(conn_t * conn, unsigned int tag); |
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int status_response(conn_t * conn, unsigned int tag, char *mbox); |
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int select_response(conn_t * conn, unsigned int tag); |
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int search_response(conn_t * conn, unsigned int tag, char **mesgs); |
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int fetch_response(conn_t * conn, unsigned int tag, int reset, char *fetch); |
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int fetchsize_response(conn_t * conn, unsigned int *size, unsigned int tag); |
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int append_response(conn_t * conn, unsigned int tag); |
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int copy_response(conn_t * conn, unsigned int tag); |
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/* socket.c */ |
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int init_connection(conn_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(conn_t * conn, unsigned int protocol); |
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#endif |
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int close_connection(conn_t * conn); |
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int socket_read(conn_t * conn, char *buf); |
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int socket_write(conn_t * conn, char *data); |
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/* tty.c */ |
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int tty_store(void); |
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int tty_disable_echo(void); |
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int tty_restore(void); |
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#endif /* IMAPFILTER_H */ |
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