imapfilter/imapfilter/imapfilter.h

#ifndef IMAPFILTER_H
#define IMAPFILTER_H

#include <stdio.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <dirent.h>

#include "config.h"

#ifdef SSL_TLS
#include <openssl/ssl.h>
#include <openssl/x509.h>
#endif

#ifndef DATA_H
#include "data.h"
#endif

/* Program's version number. */
#define IMAPFILTER_VERSION              "0.8.7"

/* Error codes returned by functions. */
#define ERROR_SIGNAL                    1
#define ERROR_TRIVIAL                   2
#define ERROR_FILE_OPEN                 3
#define ERROR_LOCKFILE                  4
#define ERROR_CONFIG_PARSE              5
#define ERROR_MEMORY_ALLOCATION         6
#define ERROR_SETUID                    7
#define ERROR_TERMIO                    8
#define ERROR_NETWORK                   9
#define ERROR_SSL                       10
#define ERROR_PASSPHRASE                11
#define ERROR_ENCRYPT                   12
#define ERROR_DECRYPT                   13
#define ERROR_FORK                      14
#define ERROR_UNDEFINED                 15

/* SSL/TLS certificate status for the server. */
#define SSL_CERT_OK                     0
#define SSL_CERT_NONEXISTENT            1
#define SSL_CERT_MISMATCH               2

/* Action to be applied, concerning the SSL/TLS certificate. */
#define SSL_CERT_ACTION_ACCEPT          0
#define SSL_CERT_ACTION_REJECT          1
#define SSL_CERT_ACTION_CONTINUE        0
#define SSL_CERT_ACTION_ABORT           1

/* Flags that control the program's execution options. */
#define OPTION_DETAILS_QUIET            0x0001
#define OPTION_DETAILS_NORMAL           0x0002
#define OPTION_DETAILS_VERBOSE          0x0004
#define OPTION_DETAILS_CLEAR            0xfff8
#define OPTION_ERRORS                   0x0008
#define OPTION_EXPUNGE                  0x0010
#define OPTION_HEADERS                  0x0020
#define OPTION_NAMESPACE                0x0040
#define OPTION_SUBSCRIBE                0x0080
#define OPTION_WARNING                  0x0100
#define OPTION_PASSWORD_EDITOR          0x0200
#define OPTION_DAEMON_MODE              0x0400

/* Other flags. */
#define FLAG_DAEMON_MODE                0x01
#define FLAG_TTY                        0x02
#define FLAG_TTY_MODIFIED               0x04
#define FLAG_BLANK_PASSWORD             0x08
#define FLAG_SIGHUP_RECEIVED            0x10

/* Capabilities of mail server. */
#define CAPABILITY_NONE                 0x00
#define CAPABILITY_NAMESPACE            0x01

/* Flags for logger. */
#define LOG_PREAMBLE                    0
#define LOG_ACCOUNT                     1
#define LOG_MAILBOX                     2
#define LOG_FILTER                      3
#define LOG_ACTION                      4
#define LOG_DESTINATION_ACCOUNT         5
#define LOG_DESTINATION_MAILBOX         6
#define LOG_HEADER                      7

/* Buffer size of the IMAP command. */
#define SMALL_CMD                       64
#define MEDIUM_CMD                      512
#define BIG_CMD                         32768

/* Store IMAP command type may replace,add or remove flags. */
#define STORE_FLAG_REPLACE              1
#define STORE_FLAG_ADD                  2
#define STORE_FLAG_REMOVE               3

/* Buffer size of server's response. */
#define RESPONSE_BUF                    4096
#define RESULT_BUF                      512

/* Response codes. */
#define RESPONSE_NULLBODY               -2
#define RESPONSE_NONE                   -1
#define RESPONSE_OK                     0
#define RESPONSE_NO                     1
#define RESPONSE_BAD                    2
#define RESPONSE_BYE                    3
#define RESPONSE_PREAUTH                4
#define RESPONSE_READONLY               5
#define RESPONSE_TRYCREATE              6

/* Size virtual buffer. */
#define VIRTUAL_BUF                     4096

/* Authentication mechanisms string. */
#define AUTH_MECH_LEN                   512

/* Length of mailbox namespace prefix. */
#define NAMESPACE_PREFIX_LEN            64

/* Encryption and decryption buffers. */
#define ENCRYPTION_BUF                  1024
#define DECRYPTION_BUF                  4096

/* Buffer to save flags of the store IMAP command. */
#define STORE_FLAGS_BUF                 64

/* Maximum passwords the password editor can handle. */
#define EDITOR_PASSWORDS_MAX            64

/* Lenght of charset for IMAP SEARCH requests. */
#define CHARSET_LEN                     64


#define min(A, B)                       ((A) < (B) ? (A) : (B))
#define plural(A)                       ((A) == 1 ? "" : "s")


/* Secure memory information. */
typedef struct secmem {
        void *buf;              /* Allocated memory buffer. */
        size_t size;            /* Size of the buffer. */
        struct secmem *prev, *next;     /* Previous/next node of doubly linked
                                         * list. */
} secmem_t;


/* Namespace of IMAP mailboxes. */
typedef struct namesp {
        char prefix[NAMESPACE_PREFIX_LEN];
        char delim;
} namesp_t;


/*      file.c          */
int read_config(char *cfg);
int parse_config(FILE * fd);
void reread_config(char *cfg);
void set_options(char *line, regmatch_t * match);

int read_passwords(void);
int parse_passwords(FILE * fd);
int store_passwords(account_t * accts[]);

int create_homedir(void);
int exists_file(char *fname);
int exists_dir(char *fname);
int create_file(char *fname, mode_t mode);

#ifdef CHECK_PERMISSIONS
int check_file_perms(char *fname, mode_t mode);
int check_dir_perms(char *dname, mode_t mode);

#endif

#ifdef SSL_TLS
int imf_ssl_cert(SSL * ssl);
int imf_ssl_check_cert(X509 * pcert, unsigned char *pmd, unsigned int *pmdlen);
void imf_ssl_print_cert(X509 * cert, unsigned char *md, unsigned int *mdlen);
int imf_ssl_new_cert(X509 * cert);
int imf_ssl_cert_mismatch(void);

#endif

/*      imapfilter.c    */
void usage(void);
void version(void);

/*      imap.c          */
unsigned int send_command(int *sock, char *cmd);

#ifdef DEBUG
int imap_noop(int *sock);

#endif
int imap_capability(int *sock);
int imap_namespace(int *sock);
int imap_logout(int *sock);
int imap_authenticate(int *sock, char *auth);
int imap_login(int *sock, char *user, char *pass);

/* int imap_list(int *sock, char *refer, char *mbox); */
int imap_subscribe(int *sock, char *mbox);

/* int imap_examine(int *sock, char *mbox); */
int imap_select(int *sock, char *mbox);
int imap_status(int *sock, char *mbox, char *items);
int imap_create(int *sock, char *mbox);
int imap_search(int *sock, char *charset, char *search);
int imap_fetch(int *sock, char *mesg, char *items);
int imap_store(int *sock, char *mesg, unsigned int mode, char *flags);
int imap_copy(int *sock, char *mesg, char *mbox);
int imap_append(int *sock, char *mbox, unsigned int size);
int imap_close(int *sock);
int imap_expunge(int *sock);

/*      lock.c          */
void lockfile_create(void);
void lockfile_check(void);
pid_t lockfile_pid(void);
int lockfile_remove(void);
void kill_imapfilter(void);

/*      log.c           */
void info(const char *info,...);
void verbose(const char *info,...);
void error(const char *errmsg,...);
void fatal(unsigned int errnum, const char *fatal,...);
void catch_signals(void);
void signal_handler(int sig);
int open_logfile(void);
int create_logfile(void);
int close_logfile(void);
void log_info(int flag, void *ptr);
char *get_time(void);

/*      memory.c        */
void *xmalloc(size_t size);
void *xrealloc(void *ptr, size_t size);
void xfree(void *ptr);
char *xstrdup(const char *s);

void *smalloc(size_t size);
void *srealloc(void *ptr, size_t size);
void sfree(void *ptr);
char *sstrdup(const char *s);
void secmem_append(secmem_t * node);
secmem_t *secmem_find(void *ptr);
void secmem_remove(secmem_t * node);
void secmem_clear(void);

#ifdef MEMORY_LOCK
void secmem_lock(void);

#endif
void corefile_disable(void);

/*      misc.c          */
char *strcasestr(const char *haystack, const char *needle);
char *ultostr(unsigned long int num, int base);
char *xstrncpy(char *dest, const char *src, size_t size);

/*      passwd.c        */
void get_password(char *passwd, size_t pwlen);

#ifdef ENCRYPTED_PASSWORDS
int encrypt_passwords(FILE * fd, account_t * accts[]);
int decrypt_passwords(unsigned char **buf, FILE * fd);
void password_editor(void);

#endif

/*      request.c       */
int test(int *sock);
int check_capabilities(int *sock);
int check_namespace(int *sock, namesp_t * nsp);
int login(int *sock, char *user, char *pass);
int check_mailbox(int *sock, char *mbox);
int select_mailbox(int *sock, char *mbox, namesp_t * nsp);
int mailbox_status(int *sock, char *mbox, namesp_t * nsp);
int close_mailbox(int *sock);
int logout(int *sock);

int apply_filters(char *mbox, filter_t ** filters);
int match_filter(filter_t * filter, char **mesgs);

void empty_fifo(mask_t ** mfifo);
void queue_fifo(mask_t ** mfifo, mask_t * mask);
mask_t *dequeue_fifo(mask_t ** mfifo);

char *generate_filter_and(mask_t * mask, unsigned int masknum, unsigned int masklen);
char *generate_filter_or(mask_t * mask, unsigned int masknum, unsigned int masklen);

int apply_action(char *mbox, char *mesgs, unsigned int *type, account_t * raccount, char *destmbox, unsigned int *msgflags, char *args);
int action_delete(char *mesgs, char *args);
int action_copy(char *mbox, char *mesgs, char *destmbox, char *args);
int action_move(char *mbox, char *mesgs, char *destmbox, char *args);
int action_rcopy(char *mbox, char *mesgs, account_t * destacc, char *destmbox, char *args);
int action_rmove(char *mbox, char *mesgs, account_t * destacc, char *destmbox, char *args);
int action_flag(char *mesgs, unsigned int *type, unsigned int *msgflags, char *args);
int action_list(char *mesgs, char *args);

unsigned int count_messages(char *mesgs);
char *convert_messages(char *mesgs);
int substitute_date(char *str);
void current_date(char *destmbox);
void message_date(char *mesg, char *destmbox);
void default_variables(char *mbox, char *destmbox);


/*      response.c      */
void receive_response(int *sock, char *buf);
int server_response(int *sock, unsigned int tag);
void bye_response(char *buf);
int greeting_response(int *sock);
int logout_response(int *sock, unsigned int tag);
int capability_response(int *sock, unsigned int tag);
void auth_mechanisms(void);
int namespace_response(int *sock, unsigned int tag, namesp_t * nsp);
int status_response(int *sock, unsigned int tag, char *mbox);
int select_response(int *sock, unsigned int tag);
int search_response(int *sock, unsigned int tag, char **mesgs);
int fetch_response(int *sock, unsigned int tag, int reset, char *fetch);
int fetchsize_response(int *sock, unsigned int *size, unsigned int tag);
int append_response(int *sock, unsigned int tag);
int copy_response(int *sock, unsigned int tag);
int analyze_response(int *sock, char *buf);
void init_vbuf(void);
void reset_vbuf(void);
void check_vbuf(size_t n);

/*      socket.c        */
int init_connection(int *sock, char *serv, unsigned short int port, unsigned int protocol);
int init_ssl_connection(int *sock, unsigned int protocol);
int close_connection(int *sock);
int socket_read(int *sock, char *buf);
int socket_write(int *sock, char *data);

/*      tty.c           */
int tty_store(void);
int tty_disable_echo(void);
int tty_restore(void);

#endif                          /* IMAPFILTER_H */
1	lefcha	1.9	#ifndef IMAPFILTER_H
2			#define IMAPFILTER_H
3
4			#include <stdio.h>
5	lefcha	1.25	#include <unistd.h>
6			#include <sys/stat.h>
7			#include <sys/types.h>
8	lefcha	1.29	#include <dirent.h>
9	lefcha	1.9
10	lefcha	1.54	#include "config.h"
11
12			#ifdef SSL_TLS
13			#include <openssl/ssl.h>
14			#include <openssl/x509.h>
15			#endif
16
17	lefcha	1.9	#ifndef DATA_H
18			#include "data.h"
19			#endif
20
21	lefcha	1.43	/* Program's version number. */
22	lefcha	1.56	#define IMAPFILTER_VERSION "0.8.7"
23	lefcha	1.43
24	lefcha	1.11	/* Error codes returned by functions. */
25	lefcha	1.22	#define ERROR_SIGNAL 1
26			#define ERROR_TRIVIAL 2
27			#define ERROR_FILE_OPEN 3
28	lefcha	1.32	#define ERROR_LOCKFILE 4
29	lefcha	1.29	#define ERROR_CONFIG_PARSE 5
30			#define ERROR_MEMORY_ALLOCATION 6
31			#define ERROR_SETUID 7
32			#define ERROR_TERMIO 8
33			#define ERROR_NETWORK 9
34			#define ERROR_SSL 10
35			#define ERROR_PASSPHRASE 11
36			#define ERROR_ENCRYPT 12
37			#define ERROR_DECRYPT 13
38	lefcha	1.30	#define ERROR_FORK 14
39			#define ERROR_UNDEFINED 15
40	lefcha	1.9
41	lefcha	1.54	/* SSL/TLS certificate status for the server. */
42			#define SSL_CERT_OK 0
43			#define SSL_CERT_NONEXISTENT 1
44			#define SSL_CERT_MISMATCH 2
45
46			/* Action to be applied, concerning the SSL/TLS certificate. */
47			#define SSL_CERT_ACTION_ACCEPT 0
48			#define SSL_CERT_ACTION_REJECT 1
49			#define SSL_CERT_ACTION_CONTINUE 0
50			#define SSL_CERT_ACTION_ABORT 1
51
52	lefcha	1.30	/* Flags that control the program's execution options. */
53	lefcha	1.36	#define OPTION_DETAILS_QUIET 0x0001
54			#define OPTION_DETAILS_NORMAL 0x0002
55			#define OPTION_DETAILS_VERBOSE 0x0004
56			#define OPTION_DETAILS_CLEAR 0xfff8
57	lefcha	1.38	#define OPTION_ERRORS 0x0008
58			#define OPTION_EXPUNGE 0x0010
59			#define OPTION_HEADERS 0x0020
60			#define OPTION_NAMESPACE 0x0040
61			#define OPTION_SUBSCRIBE 0x0080
62			#define OPTION_WARNING 0x0100
63			#define OPTION_PASSWORD_EDITOR 0x0200
64			#define OPTION_DAEMON_MODE 0x0400
65	lefcha	1.30
66			/* Other flags. */
67	lefcha	1.54	#define FLAG_DAEMON_MODE 0x01
68			#define FLAG_TTY 0x02
69			#define FLAG_TTY_MODIFIED 0x04
70			#define FLAG_BLANK_PASSWORD 0x08
71	lefcha	1.57	#define FLAG_SIGHUP_RECEIVED 0x10
72	lefcha	1.25
73			/* Capabilities of mail server. */
74			#define CAPABILITY_NONE 0x00
75			#define CAPABILITY_NAMESPACE 0x01
76	lefcha	1.9
77	lefcha	1.12	/* Flags for logger. */
78	lefcha	1.55	#define LOG_PREAMBLE 0
79	lefcha	1.49	#define LOG_ACCOUNT 1
80			#define LOG_MAILBOX 2
81			#define LOG_FILTER 3
82			#define LOG_ACTION 4
83			#define LOG_DESTINATION_ACCOUNT 5
84	lefcha	1.12	#define LOG_DESTINATION_MAILBOX 6
85	lefcha	1.55	#define LOG_HEADER 7
86	lefcha	1.12
87	lefcha	1.17	/* Buffer size of the IMAP command. */
88	lefcha	1.9	#define SMALL_CMD 64
89	lefcha	1.32	#define MEDIUM_CMD 512
90			#define BIG_CMD 32768
91	lefcha	1.9
92	lefcha	1.35	/* Store IMAP command type may replace,add or remove flags. */
93			#define STORE_FLAG_REPLACE 1
94			#define STORE_FLAG_ADD 2
95			#define STORE_FLAG_REMOVE 3
96
97	lefcha	1.9	/* Buffer size of server's response. */
98	lefcha	1.55	#define RESPONSE_BUF 4096
99	lefcha	1.20	#define RESULT_BUF 512
100	lefcha	1.9
101	lefcha	1.16	/* Response codes. */
102	lefcha	1.44	#define RESPONSE_NULLBODY -2
103			#define RESPONSE_NONE -1
104	lefcha	1.16	#define RESPONSE_OK 0
105			#define RESPONSE_NO 1
106	lefcha	1.44	#define RESPONSE_BAD 2
107			#define RESPONSE_BYE 3
108			#define RESPONSE_PREAUTH 4
109			#define RESPONSE_READONLY 5
110			#define RESPONSE_TRYCREATE 6
111	lefcha	1.16
112	lefcha	1.39	/* Size virtual buffer. */
113			#define VIRTUAL_BUF 4096
114	lefcha	1.9
115	lefcha	1.48	/* Authentication mechanisms string. */
116			#define AUTH_MECH_LEN 512
117
118	lefcha	1.25	/* Length of mailbox namespace prefix. */
119			#define NAMESPACE_PREFIX_LEN 64
120
121	lefcha	1.26	/* Encryption and decryption buffers. */
122			#define ENCRYPTION_BUF 1024
123			#define DECRYPTION_BUF 4096
124
125	lefcha	1.35	/* Buffer to save flags of the store IMAP command. */
126			#define STORE_FLAGS_BUF 64
127
128	lefcha	1.27	/* Maximum passwords the password editor can handle. */
129	lefcha	1.32	#define EDITOR_PASSWORDS_MAX 64
130	lefcha	1.27
131	lefcha	1.47	/* Lenght of charset for IMAP SEARCH requests. */
132			#define CHARSET_LEN 64
133
134	lefcha	1.1
135			#define min(A, B) ((A) < (B) ? (A) : (B))
136	lefcha	1.15	#define plural(A) ((A) == 1 ? "" : "s")
137	lefcha	1.1
138
139	lefcha	1.27	/* Secure memory information. */
140			typedef struct secmem {
141	lefcha	1.49	void buf; / Allocated memory buffer. */
142			size_t size; /* Size of the buffer. */
143			struct secmem prev, next; /* Previous/next node of doubly linked
144			* list. */
145	lefcha	1.27	} secmem_t;
146
147
148	lefcha	1.32	/* Namespace of IMAP mailboxes. */
149			typedef struct namesp {
150	lefcha	1.49	char prefix[NAMESPACE_PREFIX_LEN];
151			char delim;
152	lefcha	1.32	} namesp_t;
153
154
155	lefcha	1.9	/* file.c */
156	lefcha	1.27	int read_config(char *cfg);
157			int parse_config(FILE * fd);
158	lefcha	1.57	void reread_config(char *cfg);
159	lefcha	1.27	void set_options(char line, regmatch_t match);
160
161			int read_passwords(void);
162			int parse_passwords(FILE * fd);
163			int store_passwords(account_t * accts[]);
164
165	lefcha	1.25	int create_homedir(void);
166	lefcha	1.26	int exists_file(char *fname);
167			int exists_dir(char *fname);
168	lefcha	1.25	int create_file(char *fname, mode_t mode);
169	lefcha	1.49
170	lefcha	1.9	#ifdef CHECK_PERMISSIONS
171	lefcha	1.25	int check_file_perms(char *fname, mode_t mode);
172			int check_dir_perms(char *dname, mode_t mode);
173	lefcha	1.49
174	lefcha	1.9	#endif
175	lefcha	1.1
176	lefcha	1.54	#ifdef SSL_TLS
177			int imf_ssl_cert(SSL * ssl);
178			int imf_ssl_check_cert(X509 * pcert, unsigned char pmd, unsigned int pmdlen);
179			void imf_ssl_print_cert(X509 * cert, unsigned char md, unsigned int mdlen);
180			int imf_ssl_new_cert(X509 * cert);
181			int imf_ssl_cert_mismatch(void);
182
183			#endif
184
185	lefcha	1.9	/* imapfilter.c */
186			void usage(void);
187	lefcha	1.43	void version(void);
188	lefcha	1.1
189	lefcha	1.9	/* imap.c */
190	lefcha	1.32	unsigned int send_command(int sock, char cmd);
191	lefcha	1.49
192	lefcha	1.9	#ifdef DEBUG
193	lefcha	1.32	int imap_noop(int *sock);
194	lefcha	1.49
195	lefcha	1.9	#endif
196	lefcha	1.32	int imap_capability(int *sock);
197			int imap_namespace(int *sock);
198			int imap_logout(int *sock);
199	lefcha	1.48	int imap_authenticate(int sock, char auth);
200	lefcha	1.32	int imap_login(int sock, char user, char *pass);
201	lefcha	1.49
202	lefcha	1.32	/* int imap_list(int sock, char refer, char mbox); /
203			int imap_subscribe(int sock, char mbox);
204	lefcha	1.54
205			/* int imap_examine(int sock, char mbox); */
206	lefcha	1.32	int imap_select(int sock, char mbox);
207			int imap_status(int sock, char mbox, char *items);
208			int imap_create(int sock, char mbox);
209	lefcha	1.47	int imap_search(int sock, char charset, char *search);
210	lefcha	1.32	int imap_fetch(int sock, char mesg, char *items);
211	lefcha	1.35	int imap_store(int sock, char mesg, unsigned int mode, char *flags);
212	lefcha	1.32	int imap_copy(int sock, char mesg, char *mbox);
213			int imap_append(int sock, char mbox, unsigned int size);
214			int imap_close(int *sock);
215	lefcha	1.34	int imap_expunge(int *sock);
216	lefcha	1.29
217			/* lock.c */
218			void lockfile_create(void);
219			void lockfile_check(void);
220	lefcha	1.30	pid_t lockfile_pid(void);
221	lefcha	1.29	int lockfile_remove(void);
222	lefcha	1.30	void kill_imapfilter(void);
223	lefcha	1.9
224			/* log.c */
225	lefcha	1.13	void info(const char *info,...);
226			void verbose(const char *info,...);
227			void error(const char *errmsg,...);
228			void fatal(unsigned int errnum, const char *fatal,...);
229	lefcha	1.22	void catch_signals(void);
230			void signal_handler(int sig);
231	lefcha	1.9	int open_logfile(void);
232			int create_logfile(void);
233			int close_logfile(void);
234	lefcha	1.12	void log_info(int flag, void *ptr);
235	lefcha	1.11	char *get_time(void);
236	lefcha	1.9
237	lefcha	1.13	/* memory.c */
238			void *xmalloc(size_t size);
239	lefcha	1.19	void xrealloc(void ptr, size_t size);
240	lefcha	1.26	void xfree(void *ptr);
241	lefcha	1.13	char xstrdup(const char s);
242
243	lefcha	1.27	void *smalloc(size_t size);
244			void srealloc(void ptr, size_t size);
245			void sfree(void *ptr);
246			char sstrdup(const char s);
247	lefcha	1.34	void secmem_append(secmem_t * node);
248	lefcha	1.27	secmem_t secmem_find(void ptr);
249	lefcha	1.34	void secmem_remove(secmem_t * node);
250	lefcha	1.27	void secmem_clear(void);
251	lefcha	1.49
252	lefcha	1.41	#ifdef MEMORY_LOCK
253	lefcha	1.30	void secmem_lock(void);
254	lefcha	1.49
255	lefcha	1.41	#endif
256	lefcha	1.27	void corefile_disable(void);
257
258	lefcha	1.16	/* misc.c */
259			char strcasestr(const char haystack, const char *needle);
260			char *ultostr(unsigned long int num, int base);
261	lefcha	1.24	char xstrncpy(char dest, const char *src, size_t size);
262	lefcha	1.16
263	lefcha	1.25	/* passwd.c */
264	lefcha	1.26	void get_password(char *passwd, size_t pwlen);
265	lefcha	1.49
266	lefcha	1.26	#ifdef ENCRYPTED_PASSWORDS
267	lefcha	1.34	int encrypt_passwords(FILE * fd, account_t * accts[]);
268			int decrypt_passwords(unsigned char *buf, FILE fd);
269	lefcha	1.26	void password_editor(void);
270	lefcha	1.49
271	lefcha	1.26	#endif
272	lefcha	1.25
273	lefcha	1.9	/* request.c */
274	lefcha	1.32	int test(int *sock);
275			int check_capabilities(int *sock);
276	lefcha	1.34	int check_namespace(int sock, namesp_t nsp);
277	lefcha	1.32	int login(int sock, char user, char *pass);
278	lefcha	1.51	int check_mailbox(int sock, char mbox);
279	lefcha	1.34	int select_mailbox(int sock, char mbox, namesp_t * nsp);
280			int mailbox_status(int sock, char mbox, namesp_t * nsp);
281	lefcha	1.32	int close_mailbox(int *sock);
282			int logout(int *sock);
283	lefcha	1.9
284	lefcha	1.53	int apply_filters(char mbox, filter_t * filters);
285	lefcha	1.19	int match_filter(filter_t * filter, char **mesgs);
286	lefcha	1.9
287			void empty_fifo(mask_t ** mfifo);
288	lefcha	1.11	void queue_fifo(mask_t ** mfifo, mask_t * mask);
289			mask_t dequeue_fifo(mask_t * mfifo);
290	lefcha	1.9
291	lefcha	1.49	char generate_filter_and(mask_t mask, unsigned int masknum, unsigned int masklen);
292			char generate_filter_or(mask_t mask, unsigned int masknum, unsigned int masklen);
293	lefcha	1.9
294	lefcha	1.53	int apply_action(char mbox, char mesgs, unsigned int type, account_t raccount, char destmbox, unsigned int msgflags, char *args);
295	lefcha	1.9	int action_delete(char mesgs, char args);
296	lefcha	1.53	int action_copy(char mbox, char mesgs, char destmbox, char args);
297			int action_move(char mbox, char mesgs, char destmbox, char args);
298			int action_rcopy(char mbox, char mesgs, account_t * destacc, char destmbox, char args);
299			int action_rmove(char mbox, char mesgs, account_t * destacc, char destmbox, char args);
300	lefcha	1.35	int action_flag(char mesgs, unsigned int type, unsigned int msgflags, char args);
301	lefcha	1.11	int action_list(char mesgs, char args);
302	lefcha	1.9
303	lefcha	1.32	unsigned int count_messages(char *mesgs);
304	lefcha	1.33	char convert_messages(char mesgs);
305	lefcha	1.50	int substitute_date(char *str);
306			void current_date(char *destmbox);
307			void message_date(char mesg, char destmbox);
308	lefcha	1.53	void default_variables(char mbox, char destmbox);
309	lefcha	1.32
310	lefcha	1.9
311	lefcha	1.11	/* response.c */
312	lefcha	1.32	void receive_response(int sock, char buf);
313			int server_response(int *sock, unsigned int tag);
314	lefcha	1.40	void bye_response(char *buf);
315	lefcha	1.32	int greeting_response(int *sock);
316	lefcha	1.39	int logout_response(int *sock, unsigned int tag);
317	lefcha	1.32	int capability_response(int *sock, unsigned int tag);
318	lefcha	1.48	void auth_mechanisms(void);
319	lefcha	1.34	int namespace_response(int sock, unsigned int tag, namesp_t nsp);
320	lefcha	1.32	int status_response(int sock, unsigned int tag, char mbox);
321			int select_response(int *sock, unsigned int tag);
322			int search_response(int sock, unsigned int tag, char *mesgs);
323	lefcha	1.43	int fetch_response(int sock, unsigned int tag, int reset, char fetch);
324	lefcha	1.32	int fetchsize_response(int sock, unsigned int size, unsigned int tag);
325			int append_response(int *sock, unsigned int tag);
326			int copy_response(int *sock, unsigned int tag);
327	lefcha	1.55	int analyze_response(int sock, char buf);
328	lefcha	1.32	void init_vbuf(void);
329			void reset_vbuf(void);
330			void check_vbuf(size_t n);
331	lefcha	1.25
332			/* socket.c */
333	lefcha	1.49	int init_connection(int sock, char serv, unsigned short int port, unsigned int protocol);
334	lefcha	1.54	int init_ssl_connection(int *sock, unsigned int protocol);
335	lefcha	1.32	int close_connection(int *sock);
336			int socket_read(int sock, char buf);
337			int socket_write(int sock, char data);
338	lefcha	1.25
339			/* tty.c */
340			int tty_store(void);
341			int tty_disable_echo(void);
342			int tty_restore(void);
343	lefcha	1.11
344	lefcha	1.13	#endif /* IMAPFILTER_H */