/[imapfilter]/imapfilter/imapfilter.h
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Contents of /imapfilter/imapfilter.h

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Revision 1.51 - (show annotations)
Fri Mar 7 14:04:38 2003 UTC (21 years ago) by lefcha
Branch: MAIN
Changes since 1.50: +1 -1 lines
File MIME type: text/plain
Add date conversion specifiers support for rcopy/rmove.

1 #ifndef IMAPFILTER_H
2 #define IMAPFILTER_H
3
4 #include <stdio.h>
5 #include <unistd.h>
6 #include <sys/stat.h>
7 #include <sys/types.h>
8 #include <dirent.h>
9
10 #ifndef DATA_H
11 #include "data.h"
12 #endif
13
14 /* Program's version number. */
15 #define IMAPFILTER_VERSION "0.8.5"
16
17 /* Error codes returned by functions. */
18 #define ERROR_SIGNAL 1
19 #define ERROR_TRIVIAL 2
20 #define ERROR_FILE_OPEN 3
21 #define ERROR_LOCKFILE 4
22 #define ERROR_CONFIG_PARSE 5
23 #define ERROR_MEMORY_ALLOCATION 6
24 #define ERROR_SETUID 7
25 #define ERROR_TERMIO 8
26 #define ERROR_NETWORK 9
27 #define ERROR_SSL 10
28 #define ERROR_PASSPHRASE 11
29 #define ERROR_ENCRYPT 12
30 #define ERROR_DECRYPT 13
31 #define ERROR_FORK 14
32 #define ERROR_UNDEFINED 15
33
34 /* Flags that control the program's execution options. */
35 #define OPTION_DETAILS_QUIET 0x0001
36 #define OPTION_DETAILS_NORMAL 0x0002
37 #define OPTION_DETAILS_VERBOSE 0x0004
38 #define OPTION_DETAILS_CLEAR 0xfff8
39 #define OPTION_ERRORS 0x0008
40 #define OPTION_EXPUNGE 0x0010
41 #define OPTION_HEADERS 0x0020
42 #define OPTION_NAMESPACE 0x0040
43 #define OPTION_SUBSCRIBE 0x0080
44 #define OPTION_WARNING 0x0100
45 #define OPTION_PASSWORD_EDITOR 0x0200
46 #define OPTION_DAEMON_MODE 0x0400
47
48 /* Other flags. */
49 #define FLAG_TTY 0x01
50 #define FLAG_TTY_MODIFIED 0x02
51 #define FLAG_BLANK_PASSWORD 0x04
52
53 /* Capabilities of mail server. */
54 #define CAPABILITY_NONE 0x00
55 #define CAPABILITY_NAMESPACE 0x01
56
57 /* Flags for logger. */
58 #define LOG_WRITE 0
59 #define LOG_ACCOUNT 1
60 #define LOG_MAILBOX 2
61 #define LOG_FILTER 3
62 #define LOG_ACTION 4
63 #define LOG_DESTINATION_ACCOUNT 5
64 #define LOG_DESTINATION_MAILBOX 6
65
66 /* Buffer size of the IMAP command. */
67 #define SMALL_CMD 64
68 #define MEDIUM_CMD 512
69 #define BIG_CMD 32768
70
71 /* Store IMAP command type may replace,add or remove flags. */
72 #define STORE_FLAG_REPLACE 1
73 #define STORE_FLAG_ADD 2
74 #define STORE_FLAG_REMOVE 3
75
76 /* Buffer size of server's response. */
77 #define RESPONSE_BUF (4096 + 1)
78 #define RESULT_BUF 512
79
80 /* Response codes. */
81 #define RESPONSE_NULLBODY -2
82 #define RESPONSE_NONE -1
83 #define RESPONSE_OK 0
84 #define RESPONSE_NO 1
85 #define RESPONSE_BAD 2
86 #define RESPONSE_BYE 3
87 #define RESPONSE_PREAUTH 4
88 #define RESPONSE_READONLY 5
89 #define RESPONSE_TRYCREATE 6
90
91 /* Size virtual buffer. */
92 #define VIRTUAL_BUF 4096
93
94 /* Authentication mechanisms string. */
95 #define AUTH_MECH_LEN 512
96
97 /* Length of mailbox namespace prefix. */
98 #define NAMESPACE_PREFIX_LEN 64
99
100 /* Encryption and decryption buffers. */
101 #define ENCRYPTION_BUF 1024
102 #define DECRYPTION_BUF 4096
103
104 /* Buffer to save flags of the store IMAP command. */
105 #define STORE_FLAGS_BUF 64
106
107 /* Maximum passwords the password editor can handle. */
108 #define EDITOR_PASSWORDS_MAX 64
109
110 /* Lenght of charset for IMAP SEARCH requests. */
111 #define CHARSET_LEN 64
112
113
114 #define min(A, B) ((A) < (B) ? (A) : (B))
115 #define plural(A) ((A) == 1 ? "" : "s")
116
117
118 /* Secure memory information. */
119 typedef struct secmem {
120 void *buf; /* Allocated memory buffer. */
121 size_t size; /* Size of the buffer. */
122 struct secmem *prev, *next; /* Previous/next node of doubly linked
123 * list. */
124 } secmem_t;
125
126
127 /* Namespace of IMAP mailboxes. */
128 typedef struct namesp {
129 char prefix[NAMESPACE_PREFIX_LEN];
130 char delim;
131 } namesp_t;
132
133
134 /* file.c */
135 int read_config(char *cfg);
136 int parse_config(FILE * fd);
137 void set_options(char *line, regmatch_t * match);
138
139 int read_passwords(void);
140 int parse_passwords(FILE * fd);
141 int store_passwords(account_t * accts[]);
142
143 int create_homedir(void);
144 int exists_file(char *fname);
145 int exists_dir(char *fname);
146 int create_file(char *fname, mode_t mode);
147
148 #ifdef CHECK_PERMISSIONS
149 int check_file_perms(char *fname, mode_t mode);
150 int check_dir_perms(char *dname, mode_t mode);
151
152 #endif
153
154 /* imapfilter.c */
155 void usage(void);
156 void version(void);
157
158 /* imap.c */
159 unsigned int send_command(int *sock, char *cmd);
160
161 #ifdef DEBUG
162 int imap_noop(int *sock);
163
164 #endif
165 int imap_capability(int *sock);
166 int imap_namespace(int *sock);
167 int imap_logout(int *sock);
168 int imap_authenticate(int *sock, char *auth);
169 int imap_login(int *sock, char *user, char *pass);
170
171 /* int imap_list(int *sock, char *refer, char *mbox); */
172 int imap_subscribe(int *sock, char *mbox);
173 int imap_examine(int *sock, char *mbox);
174 int imap_select(int *sock, char *mbox);
175 int imap_status(int *sock, char *mbox, char *items);
176 int imap_create(int *sock, char *mbox);
177 int imap_search(int *sock, char *charset, char *search);
178 int imap_fetch(int *sock, char *mesg, char *items);
179 int imap_store(int *sock, char *mesg, unsigned int mode, char *flags);
180 int imap_copy(int *sock, char *mesg, char *mbox);
181 int imap_append(int *sock, char *mbox, unsigned int size);
182 int imap_close(int *sock);
183 int imap_expunge(int *sock);
184
185 /* lock.c */
186 void lockfile_create(void);
187 void lockfile_check(void);
188 pid_t lockfile_pid(void);
189 int lockfile_remove(void);
190 void kill_imapfilter(void);
191
192 /* log.c */
193 void info(const char *info,...);
194 void verbose(const char *info,...);
195 void error(const char *errmsg,...);
196 void fatal(unsigned int errnum, const char *fatal,...);
197 void catch_signals(void);
198 void signal_handler(int sig);
199 int open_logfile(void);
200 int create_logfile(void);
201 int close_logfile(void);
202 void log_info(int flag, void *ptr);
203 char *get_time(void);
204
205 /* memory.c */
206 void *xmalloc(size_t size);
207 void *xrealloc(void *ptr, size_t size);
208 void xfree(void *ptr);
209 char *xstrdup(const char *s);
210
211 void *smalloc(size_t size);
212 void *srealloc(void *ptr, size_t size);
213 void sfree(void *ptr);
214 char *sstrdup(const char *s);
215 void secmem_append(secmem_t * node);
216 secmem_t *secmem_find(void *ptr);
217 void secmem_remove(secmem_t * node);
218 void secmem_clear(void);
219
220 #ifdef MEMORY_LOCK
221 void secmem_lock(void);
222
223 #endif
224 void corefile_disable(void);
225
226 /* misc.c */
227 char *strcasestr(const char *haystack, const char *needle);
228 char *ultostr(unsigned long int num, int base);
229 char *xstrncpy(char *dest, const char *src, size_t size);
230
231 /* passwd.c */
232 void get_password(char *passwd, size_t pwlen);
233
234 #ifdef ENCRYPTED_PASSWORDS
235 int encrypt_passwords(FILE * fd, account_t * accts[]);
236 int decrypt_passwords(unsigned char **buf, FILE * fd);
237 void password_editor(void);
238
239 #endif
240
241 /* request.c */
242 int test(int *sock);
243 int check_capabilities(int *sock);
244 int check_namespace(int *sock, namesp_t * nsp);
245 int login(int *sock, char *user, char *pass);
246 int check_mailbox(int *sock, char *mbox);
247 int select_mailbox(int *sock, char *mbox, namesp_t * nsp);
248 int mailbox_status(int *sock, char *mbox, namesp_t * nsp);
249 int close_mailbox(int *sock);
250 int logout(int *sock);
251
252 int apply_filters(filter_t ** filters);
253 int match_filter(filter_t * filter, char **mesgs);
254
255 void empty_fifo(mask_t ** mfifo);
256 void queue_fifo(mask_t ** mfifo, mask_t * mask);
257 mask_t *dequeue_fifo(mask_t ** mfifo);
258
259 char *generate_filter_and(mask_t * mask, unsigned int masknum, unsigned int masklen);
260 char *generate_filter_or(mask_t * mask, unsigned int masknum, unsigned int masklen);
261
262 int apply_action(char *mesgs, unsigned int *type, account_t * raccount, char *destmbox, unsigned int *msgflags, char *args);
263 int action_delete(char *mesgs, char *args);
264 int action_copy(char *mesgs, char *destmbox, char *args);
265 int action_move(char *mesgs, char *destmbox, char *args);
266 int action_rcopy(char *mesgs, account_t * destacc, char *destmbox, char *args);
267 int action_rmove(char *mesgs, account_t * destacc, char *destmbox, char *args);
268 int action_flag(char *mesgs, unsigned int *type, unsigned int *msgflags, char *args);
269 int action_list(char *mesgs, char *args);
270
271 unsigned int count_messages(char *mesgs);
272 char *convert_messages(char *mesgs);
273 int substitute_date(char *str);
274 void current_date(char *destmbox);
275 void message_date(char *mesg, char *destmbox);
276
277
278 /* response.c */
279 void receive_response(int *sock, char *buf);
280 int server_response(int *sock, unsigned int tag);
281 void bye_response(char *buf);
282 int greeting_response(int *sock);
283 int logout_response(int *sock, unsigned int tag);
284 int capability_response(int *sock, unsigned int tag);
285 void auth_mechanisms(void);
286 int namespace_response(int *sock, unsigned int tag, namesp_t * nsp);
287 int status_response(int *sock, unsigned int tag, char *mbox);
288 int select_response(int *sock, unsigned int tag);
289 int search_response(int *sock, unsigned int tag, char **mesgs);
290 int fetch_response(int *sock, unsigned int tag, int reset, char *fetch);
291 int fetchsize_response(int *sock, unsigned int *size, unsigned int tag);
292 int append_response(int *sock, unsigned int tag);
293 int copy_response(int *sock, unsigned int tag);
294 int analyze_response(char *buf);
295 void init_vbuf(void);
296 void reset_vbuf(void);
297 void check_vbuf(size_t n);
298
299 /* socket.c */
300 int init_connection(int *sock, char *serv, unsigned short int port, unsigned int protocol);
301 int ssl_init(int *sock, unsigned int protocol);
302 int close_connection(int *sock);
303 int socket_read(int *sock, char *buf);
304 int socket_write(int *sock, char *data);
305
306 /* tty.c */
307 int tty_store(void);
308 int tty_disable_echo(void);
309 int tty_restore(void);
310
311 #endif /* IMAPFILTER_H */

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