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              "0.8.9"

/* 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_PASSWORD_EDITOR          0x0100
#define OPTION_DAEMON_MODE              0x0200

/* 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
#define CAPABILITY_AUTH_CRAM_MD5        0x02
#define CAPABILITY_STARTTLS             0x04

/* 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

/* 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 of temporary buffer. */
#define BUFFER_SIZE                     4096

/* 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

/* 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;


/* Temporary buffer. */
typedef struct buffer {
        char *data;
        size_t size;
} buffer_t;


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


/* IMAP connection. */
typedef struct conn {
        int sock;               /* Socket. */
#ifdef SSL_TLS
        SSL *ssl;               /* SSL socket. */
#endif
        unsigned int caps;      /* Capabilities of the mail server. */
        namesp_t nsp;           /* Namespace of the mail server. */
} conn_t;


/*      auth.c          */
#ifdef CRAM_MD5
int imf_cram_md5(conn_t * conn, char *user, char *pass);

#endif

/*      buffer.c        */
void init_buffer(buffer_t * buf);
void reset_buffer(buffer_t * buf);
void check_buffer(buffer_t * buf, size_t n);

/*      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(conn_t * conn);
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(conn_t * conn, char *cmd);
void send_command_cont(conn_t * conn, char *cmd);

#ifdef DEBUG
int imap_noop(conn_t * conn);

#endif
int imap_capability(conn_t * conn);
int imap_namespace(conn_t * conn);
int imap_logout(conn_t * conn);

#ifdef SSL_TLS
int imap_starttls(conn_t * conn);

#endif
int imap_authenticate(conn_t * conn, char *auth, int cont);
int imap_login(conn_t * conn, char *user, char *pass);

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

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

/*      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);

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(conn_t * conn);
int check_capabilities(conn_t * conn);
int check_namespace(conn_t * conn);

#ifdef SSL_TLS
int imf_starttls(conn_t * conn);

#endif
int login(conn_t * conn, char *user, char *pass);
int check_mailbox(conn_t * conn, char *mbox);
int select_mailbox(conn_t * conn, char *mbox);
int mailbox_status(conn_t * conn, char *mbox);
int close_mailbox(conn_t * conn);
int logout(conn_t * conn);

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(conn_t * conn, char *buf);
int server_response(conn_t * conn, unsigned int tag);
void bye_response(char *buf);
int greeting_response(conn_t * conn);
int logout_response(conn_t * conn, unsigned int tag);
int capability_response(conn_t * conn, unsigned int tag);
int authenticate_response(conn_t * conn, unsigned int tag, unsigned char **cont);
int namespace_response(conn_t * conn, unsigned int tag);
int status_response(conn_t * conn, unsigned int tag, char *mbox);
int select_response(conn_t * conn, unsigned int tag);
int search_response(conn_t * conn, unsigned int tag, char **mesgs);
int fetch_response(conn_t * conn, unsigned int tag, int reset, char *fetch);
int fetchsize_response(conn_t * conn, unsigned int *size, unsigned int tag);
int append_response(conn_t * conn, unsigned int tag);
int copy_response(conn_t * conn, unsigned int tag);
int analyze_response(conn_t * conn, char *buf);

/*      socket.c        */
int init_connection(conn_t * conn, char *serv, unsigned short int port, unsigned int protocol);

#ifdef SSL_TLS
int imf_ssl_init(conn_t * conn, unsigned int protocol);

#endif
int close_connection(conn_t * conn);
int socket_read(conn_t * conn, char *buf);
int socket_write(conn_t * conn, 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	1.60	#define IMAPFILTER_VERSION "0.8.9"
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	lefcha	1.58	#define OPTION_PASSWORD_EDITOR 0x0100
63			#define OPTION_DAEMON_MODE 0x0200
64	lefcha	1.30
65			/* Other flags. */
66	lefcha	1.54	#define FLAG_DAEMON_MODE 0x01
67			#define FLAG_TTY 0x02
68			#define FLAG_TTY_MODIFIED 0x04
69			#define FLAG_BLANK_PASSWORD 0x08
70	lefcha	1.57	#define FLAG_SIGHUP_RECEIVED 0x10
71	lefcha	1.25
72			/* Capabilities of mail server. */
73			#define CAPABILITY_NONE 0x00
74			#define CAPABILITY_NAMESPACE 0x01
75	lefcha	1.61	#define CAPABILITY_AUTH_CRAM_MD5 0x02
76	lefcha	1.62	#define CAPABILITY_STARTTLS 0x04
77	lefcha	1.9
78	lefcha	1.12	/* Flags for logger. */
79	lefcha	1.55	#define LOG_PREAMBLE 0
80	lefcha	1.49	#define LOG_ACCOUNT 1
81			#define LOG_MAILBOX 2
82			#define LOG_FILTER 3
83			#define LOG_ACTION 4
84			#define LOG_DESTINATION_ACCOUNT 5
85	lefcha	1.12	#define LOG_DESTINATION_MAILBOX 6
86	lefcha	1.55	#define LOG_HEADER 7
87	lefcha	1.12
88	lefcha	1.35	/* Store IMAP command type may replace,add or remove flags. */
89			#define STORE_FLAG_REPLACE 1
90			#define STORE_FLAG_ADD 2
91			#define STORE_FLAG_REMOVE 3
92
93	lefcha	1.9	/* Buffer size of server's response. */
94	lefcha	1.55	#define RESPONSE_BUF 4096
95	lefcha	1.20	#define RESULT_BUF 512
96	lefcha	1.9
97	lefcha	1.16	/* Response codes. */
98	lefcha	1.44	#define RESPONSE_NULLBODY -2
99			#define RESPONSE_NONE -1
100	lefcha	1.16	#define RESPONSE_OK 0
101			#define RESPONSE_NO 1
102	lefcha	1.44	#define RESPONSE_BAD 2
103			#define RESPONSE_BYE 3
104			#define RESPONSE_PREAUTH 4
105			#define RESPONSE_READONLY 5
106			#define RESPONSE_TRYCREATE 6
107	lefcha	1.16
108	lefcha	1.63	/* Size of temporary buffer. */
109			#define BUFFER_SIZE 4096
110	lefcha	1.9
111	lefcha	1.25	/* Length of mailbox namespace prefix. */
112			#define NAMESPACE_PREFIX_LEN 64
113
114	lefcha	1.26	/* Encryption and decryption buffers. */
115			#define ENCRYPTION_BUF 1024
116			#define DECRYPTION_BUF 4096
117
118	lefcha	1.35	/* Buffer to save flags of the store IMAP command. */
119			#define STORE_FLAGS_BUF 64
120
121	lefcha	1.47	/* Lenght of charset for IMAP SEARCH requests. */
122			#define CHARSET_LEN 64
123
124	lefcha	1.1
125			#define min(A, B) ((A) < (B) ? (A) : (B))
126	lefcha	1.15	#define plural(A) ((A) == 1 ? "" : "s")
127	lefcha	1.1
128
129	lefcha	1.27	/* Secure memory information. */
130			typedef struct secmem {
131	lefcha	1.49	void buf; / Allocated memory buffer. */
132			size_t size; /* Size of the buffer. */
133			struct secmem prev, next; /* Previous/next node of doubly linked
134			* list. */
135	lefcha	1.27	} secmem_t;
136
137
138	lefcha	1.63	/* Temporary buffer. */
139			typedef struct buffer {
140			char *data;
141			size_t size;
142			} buffer_t;
143
144
145	lefcha	1.32	/* Namespace of IMAP mailboxes. */
146			typedef struct namesp {
147	lefcha	1.49	char prefix[NAMESPACE_PREFIX_LEN];
148			char delim;
149	lefcha	1.32	} namesp_t;
150
151
152	lefcha	1.64	/* IMAP connection. */
153			typedef struct conn {
154			int sock; /* Socket. */
155			#ifdef SSL_TLS
156			SSL ssl; / SSL socket. */
157			#endif
158			unsigned int caps; /* Capabilities of the mail server. */
159			namesp_t nsp; /* Namespace of the mail server. */
160			} conn_t;
161
162
163	lefcha	1.61	/* auth.c */
164	lefcha	1.62	#ifdef CRAM_MD5
165	lefcha	1.64	int imf_cram_md5(conn_t * conn, char user, char pass);
166	lefcha	1.61
167	lefcha	1.62	#endif
168
169	lefcha	1.63	/* buffer.c */
170			void init_buffer(buffer_t * buf);
171			void reset_buffer(buffer_t * buf);
172			void check_buffer(buffer_t * buf, size_t n);
173
174	lefcha	1.9	/* file.c */
175	lefcha	1.27	int read_config(char *cfg);
176			int parse_config(FILE * fd);
177	lefcha	1.57	void reread_config(char *cfg);
178	lefcha	1.27	void set_options(char line, regmatch_t match);
179
180			int read_passwords(void);
181			int parse_passwords(FILE * fd);
182	lefcha	1.60	int store_passwords(account_t ** accts);
183	lefcha	1.27
184	lefcha	1.25	int create_homedir(void);
185	lefcha	1.26	int exists_file(char *fname);
186			int exists_dir(char *fname);
187	lefcha	1.25	int create_file(char *fname, mode_t mode);
188	lefcha	1.49
189	lefcha	1.9	#ifdef CHECK_PERMISSIONS
190	lefcha	1.25	int check_file_perms(char *fname, mode_t mode);
191			int check_dir_perms(char *dname, mode_t mode);
192	lefcha	1.49
193	lefcha	1.9	#endif
194	lefcha	1.1
195	lefcha	1.54	#ifdef SSL_TLS
196	lefcha	1.64	int imf_ssl_cert(conn_t * conn);
197	lefcha	1.54	int imf_ssl_check_cert(X509 * pcert, unsigned char pmd, unsigned int pmdlen);
198			void imf_ssl_print_cert(X509 * cert, unsigned char md, unsigned int mdlen);
199			int imf_ssl_new_cert(X509 * cert);
200			int imf_ssl_cert_mismatch(void);
201
202			#endif
203
204	lefcha	1.9	/* imapfilter.c */
205			void usage(void);
206	lefcha	1.43	void version(void);
207	lefcha	1.1
208	lefcha	1.9	/* imap.c */
209	lefcha	1.64	unsigned int send_command(conn_t * conn, char *cmd);
210			void send_command_cont(conn_t * conn, char *cmd);
211	lefcha	1.49
212	lefcha	1.9	#ifdef DEBUG
213	lefcha	1.64	int imap_noop(conn_t * conn);
214	lefcha	1.49
215	lefcha	1.9	#endif
216	lefcha	1.64	int imap_capability(conn_t * conn);
217			int imap_namespace(conn_t * conn);
218			int imap_logout(conn_t * conn);
219	lefcha	1.62
220			#ifdef SSL_TLS
221	lefcha	1.64	int imap_starttls(conn_t * conn);
222	lefcha	1.62
223			#endif
224	lefcha	1.64	int imap_authenticate(conn_t * conn, char *auth, int cont);
225			int imap_login(conn_t * conn, char user, char pass);
226	lefcha	1.49
227	lefcha	1.64	/* int imap_list(conn_t conn, char refer, char mbox); /
228			int imap_subscribe(conn_t * conn, char *mbox);
229	lefcha	1.54
230	lefcha	1.64	/* int imap_examine(conn_t conn, char mbox); */
231			int imap_select(conn_t * conn, char *mbox);
232			int imap_status(conn_t * conn, char mbox, char items);
233			int imap_create(conn_t * conn, char *mbox);
234			int imap_search(conn_t * conn, char charset, char search);
235			int imap_fetch(conn_t * conn, char mesg, char items);
236			int imap_store(conn_t * conn, char mesg, unsigned int mode, char flags);
237			int imap_copy(conn_t * conn, char mesg, char mbox);
238			int imap_append(conn_t * conn, char *mbox, unsigned int size);
239			int imap_close(conn_t * conn);
240			int imap_expunge(conn_t * conn);
241	lefcha	1.29
242			/* lock.c */
243			void lockfile_create(void);
244			void lockfile_check(void);
245	lefcha	1.30	pid_t lockfile_pid(void);
246	lefcha	1.29	int lockfile_remove(void);
247	lefcha	1.30	void kill_imapfilter(void);
248	lefcha	1.9
249			/* log.c */
250	lefcha	1.13	void info(const char *info,...);
251			void verbose(const char *info,...);
252			void error(const char *errmsg,...);
253			void fatal(unsigned int errnum, const char *fatal,...);
254	lefcha	1.22	void catch_signals(void);
255			void signal_handler(int sig);
256	lefcha	1.9	int open_logfile(void);
257			int create_logfile(void);
258			int close_logfile(void);
259	lefcha	1.12	void log_info(int flag, void *ptr);
260	lefcha	1.11	char *get_time(void);
261	lefcha	1.9
262	lefcha	1.13	/* memory.c */
263			void *xmalloc(size_t size);
264	lefcha	1.19	void xrealloc(void ptr, size_t size);
265	lefcha	1.26	void xfree(void *ptr);
266	lefcha	1.13	char xstrdup(const char s);
267
268	lefcha	1.27	void *smalloc(size_t size);
269			void srealloc(void ptr, size_t size);
270			void sfree(void *ptr);
271			char sstrdup(const char s);
272	lefcha	1.34	void secmem_append(secmem_t * node);
273	lefcha	1.27	secmem_t secmem_find(void ptr);
274	lefcha	1.34	void secmem_remove(secmem_t * node);
275	lefcha	1.27	void secmem_clear(void);
276	lefcha	1.49
277	lefcha	1.27	void corefile_disable(void);
278
279	lefcha	1.16	/* misc.c */
280			char strcasestr(const char haystack, const char *needle);
281			char *ultostr(unsigned long int num, int base);
282	lefcha	1.24	char xstrncpy(char dest, const char *src, size_t size);
283	lefcha	1.16
284	lefcha	1.25	/* passwd.c */
285	lefcha	1.26	void get_password(char *passwd, size_t pwlen);
286	lefcha	1.49
287	lefcha	1.26	#ifdef ENCRYPTED_PASSWORDS
288	lefcha	1.60	int encrypt_passwords(FILE * fd, account_t ** accts);
289	lefcha	1.34	int decrypt_passwords(unsigned char *buf, FILE fd);
290	lefcha	1.26	void password_editor(void);
291	lefcha	1.49
292	lefcha	1.26	#endif
293	lefcha	1.25
294	lefcha	1.9	/* request.c */
295	lefcha	1.64	int test(conn_t * conn);
296			int check_capabilities(conn_t * conn);
297			int check_namespace(conn_t * conn);
298	lefcha	1.62
299			#ifdef SSL_TLS
300	lefcha	1.64	int imf_starttls(conn_t * conn);
301	lefcha	1.62
302			#endif
303	lefcha	1.64	int login(conn_t * conn, char user, char pass);
304			int check_mailbox(conn_t * conn, char *mbox);
305			int select_mailbox(conn_t * conn, char *mbox);
306			int mailbox_status(conn_t * conn, char *mbox);
307			int close_mailbox(conn_t * conn);
308			int logout(conn_t * conn);
309	lefcha	1.9
310	lefcha	1.53	int apply_filters(char mbox, filter_t * filters);
311	lefcha	1.19	int match_filter(filter_t * filter, char **mesgs);
312	lefcha	1.9
313			void empty_fifo(mask_t ** mfifo);
314	lefcha	1.11	void queue_fifo(mask_t ** mfifo, mask_t * mask);
315			mask_t dequeue_fifo(mask_t * mfifo);
316	lefcha	1.9
317	lefcha	1.49	char generate_filter_and(mask_t mask, unsigned int masknum, unsigned int masklen);
318			char generate_filter_or(mask_t mask, unsigned int masknum, unsigned int masklen);
319	lefcha	1.9
320	lefcha	1.53	int apply_action(char mbox, char mesgs, unsigned int type, account_t raccount, char destmbox, unsigned int msgflags, char *args);
321	lefcha	1.9	int action_delete(char mesgs, char args);
322	lefcha	1.53	int action_copy(char mbox, char mesgs, char destmbox, char args);
323			int action_move(char mbox, char mesgs, char destmbox, char args);
324			int action_rcopy(char mbox, char mesgs, account_t * destacc, char destmbox, char args);
325			int action_rmove(char mbox, char mesgs, account_t * destacc, char destmbox, char args);
326	lefcha	1.35	int action_flag(char mesgs, unsigned int type, unsigned int msgflags, char args);
327	lefcha	1.11	int action_list(char mesgs, char args);
328	lefcha	1.9
329	lefcha	1.32	unsigned int count_messages(char *mesgs);
330	lefcha	1.33	char convert_messages(char mesgs);
331	lefcha	1.50	int substitute_date(char *str);
332			void current_date(char *destmbox);
333			void message_date(char mesg, char destmbox);
334	lefcha	1.53	void default_variables(char mbox, char destmbox);
335	lefcha	1.32
336	lefcha	1.11	/* response.c */
337	lefcha	1.64	void receive_response(conn_t * conn, char *buf);
338			int server_response(conn_t * conn, unsigned int tag);
339	lefcha	1.40	void bye_response(char *buf);
340	lefcha	1.64	int greeting_response(conn_t * conn);
341			int logout_response(conn_t * conn, unsigned int tag);
342			int capability_response(conn_t * conn, unsigned int tag);
343			int authenticate_response(conn_t * conn, unsigned int tag, unsigned char **cont);
344			int namespace_response(conn_t * conn, unsigned int tag);
345			int status_response(conn_t * conn, unsigned int tag, char *mbox);
346			int select_response(conn_t * conn, unsigned int tag);
347			int search_response(conn_t * conn, unsigned int tag, char **mesgs);
348			int fetch_response(conn_t * conn, unsigned int tag, int reset, char *fetch);
349			int fetchsize_response(conn_t * conn, unsigned int *size, unsigned int tag);
350			int append_response(conn_t * conn, unsigned int tag);
351			int copy_response(conn_t * conn, unsigned int tag);
352			int analyze_response(conn_t * conn, char *buf);
353	lefcha	1.25
354			/* socket.c */
355	lefcha	1.64	int init_connection(conn_t * conn, char *serv, unsigned short int port, unsigned int protocol);
356	lefcha	1.62
357			#ifdef SSL_TLS
358	lefcha	1.64	int imf_ssl_init(conn_t * conn, unsigned int protocol);
359	lefcha	1.62
360			#endif
361	lefcha	1.64	int close_connection(conn_t * conn);
362			int socket_read(conn_t * conn, char *buf);
363			int socket_write(conn_t * conn, char *data);
364	lefcha	1.25
365			/* tty.c */
366			int tty_store(void);
367			int tty_disable_echo(void);
368			int tty_restore(void);
369	lefcha	1.11
370	lefcha	1.13	#endif /* IMAPFILTER_H */