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

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Revision 1.37.2.7 - (show annotations)
Sun Feb 2 22:49:38 2003 UTC (21 years, 1 month ago) by lefcha
Branch: release-0_8-patches
Changes since 1.37.2.6: +1 -1 lines
File MIME type: text/plain
Updated for 0.8.5.

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_SERVER 1
60 #define LOG_USERNAME 2
61 #define LOG_MAILBOX 3
62 #define LOG_FILTER 4
63 #define LOG_ACTION 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 /* Length of mailbox namespace prefix. */
95 #define NAMESPACE_PREFIX_LEN 64
96
97 /* Encryption and decryption buffers. */
98 #define ENCRYPTION_BUF 1024
99 #define DECRYPTION_BUF 4096
100
101 /* Buffer to save flags of the store IMAP command. */
102 #define STORE_FLAGS_BUF 64
103
104 /* Maximum passwords the password editor can handle. */
105 #define EDITOR_PASSWORDS_MAX 64
106
107
108 #define min(A, B) ((A) < (B) ? (A) : (B))
109 #define plural(A) ((A) == 1 ? "" : "s")
110
111
112 /* Secure memory information. */
113 typedef struct secmem {
114 void *buf; /* Allocated memory buffer. */
115 size_t size; /* Size of the buffer. */
116 struct secmem *prev, *next; /* Previous/next node of doubly linked list. */
117 } secmem_t;
118
119
120 /* Namespace of IMAP mailboxes. */
121 typedef struct namesp {
122 char prefix[NAMESPACE_PREFIX_LEN];
123 char delim;
124 } namesp_t;
125
126
127 /* file.c */
128 int read_config(char *cfg);
129 int parse_config(FILE * fd);
130 void set_options(char *line, regmatch_t * match);
131
132 int read_passwords(void);
133 int parse_passwords(FILE * fd);
134 int store_passwords(account_t * accts[]);
135
136 int create_homedir(void);
137 int exists_file(char *fname);
138 int exists_dir(char *fname);
139 int create_file(char *fname, mode_t mode);
140 #ifdef CHECK_PERMISSIONS
141 int check_file_perms(char *fname, mode_t mode);
142 int check_dir_perms(char *dname, mode_t mode);
143 #endif
144
145 /* imapfilter.c */
146 void usage(void);
147 void version(void);
148
149 /* imap.c */
150 unsigned int send_command(int *sock, char *cmd);
151 #ifdef DEBUG
152 int imap_noop(int *sock);
153 #endif
154 int imap_capability(int *sock);
155 int imap_namespace(int *sock);
156 int imap_logout(int *sock);
157 int imap_login(int *sock, char *user, char *pass);
158 /* int imap_list(int *sock, char *refer, char *mbox); */
159 int imap_subscribe(int *sock, char *mbox);
160 int imap_examine(int *sock, char *mbox);
161 int imap_select(int *sock, char *mbox);
162 int imap_status(int *sock, char *mbox, char *items);
163 int imap_create(int *sock, char *mbox);
164 int imap_search(int *sock, char *search);
165 int imap_fetch(int *sock, char *mesg, char *items);
166 int imap_store(int *sock, char *mesg, unsigned int mode, char *flags);
167 int imap_copy(int *sock, char *mesg, char *mbox);
168 int imap_append(int *sock, char *mbox, unsigned int size);
169 int imap_close(int *sock);
170 int imap_expunge(int *sock);
171
172 /* lock.c */
173 void lockfile_create(void);
174 void lockfile_check(void);
175 pid_t lockfile_pid(void);
176 int lockfile_remove(void);
177 void kill_imapfilter(void);
178
179 /* log.c */
180 void info(const char *info,...);
181 void verbose(const char *info,...);
182 void error(const char *errmsg,...);
183 void fatal(unsigned int errnum, const char *fatal,...);
184 void catch_signals(void);
185 void signal_handler(int sig);
186 int open_logfile(void);
187 int create_logfile(void);
188 int close_logfile(void);
189 void log_info(int flag, void *ptr);
190 char *get_time(void);
191
192 /* memory.c */
193 void *xmalloc(size_t size);
194 void *xrealloc(void *ptr, size_t size);
195 void xfree(void *ptr);
196 char *xstrdup(const char *s);
197
198 void *smalloc(size_t size);
199 void *srealloc(void *ptr, size_t size);
200 void sfree(void *ptr);
201 char *sstrdup(const char *s);
202 void secmem_append(secmem_t * node);
203 secmem_t *secmem_find(void *ptr);
204 void secmem_remove(secmem_t * node);
205 void secmem_clear(void);
206 #ifdef MEMORY_LOCK
207 void secmem_lock(void);
208 #endif
209 void corefile_disable(void);
210
211 /* misc.c */
212 char *strcasestr(const char *haystack, const char *needle);
213 char *ultostr(unsigned long int num, int base);
214 char *xstrncpy(char *dest, const char *src, size_t size);
215
216 /* passwd.c */
217 void get_password(char *passwd, size_t pwlen);
218 #ifdef ENCRYPTED_PASSWORDS
219 int encrypt_passwords(FILE * fd, account_t * accts[]);
220 int decrypt_passwords(unsigned char **buf, FILE * fd);
221 void password_editor(void);
222 #endif
223
224 /* request.c */
225 int test(int *sock);
226 int check_capabilities(int *sock);
227 int check_namespace(int *sock, namesp_t * nsp);
228 int login(int *sock, char *user, char *pass);
229 int check_mailbox(int *sock, char *mbox, namesp_t * nsp);
230 int select_mailbox(int *sock, char *mbox, namesp_t * nsp);
231 int mailbox_status(int *sock, char *mbox, namesp_t * nsp);
232 int close_mailbox(int *sock);
233 int logout(int *sock);
234
235 int apply_filters(filter_t ** filters);
236 int match_filter(filter_t * filter, char **mesgs);
237
238 void empty_fifo(mask_t ** mfifo);
239 void queue_fifo(mask_t ** mfifo, mask_t * mask);
240 mask_t *dequeue_fifo(mask_t ** mfifo);
241
242 char *generate_filter_and(mask_t * mask, unsigned int masknum,
243 unsigned int masklen);
244 char *generate_filter_or(mask_t * mask, unsigned int masknum,
245 unsigned int masklen);
246
247 int apply_action(char *mesgs, unsigned int *type, account_t * raccount,
248 char *destmbox, unsigned int *msgflags, char *args);
249 int action_delete(char *mesgs, char *args);
250 int action_copy(char *mesgs, char *destmbox, char *args);
251 int action_move(char *mesgs, char *destmbox, char *args);
252 int action_rcopy(char *mesgs, account_t * destacc, char *destmbox, char *args);
253 int action_rmove(char *mesgs, account_t * destacc, char *destmbox, char *args);
254 int action_flag(char *mesgs, unsigned int *type, unsigned int *msgflags, char *args);
255 int action_list(char *mesgs, char *args);
256
257 unsigned int count_messages(char *mesgs);
258 char *convert_messages(char *mesgs);
259
260
261 /* response.c */
262 void receive_response(int *sock, char *buf);
263 int server_response(int *sock, unsigned int tag);
264 void bye_response(char *buf);
265 int greeting_response(int *sock);
266 int logout_response(int *sock, unsigned int tag);
267 int capability_response(int *sock, unsigned int tag);
268 int namespace_response(int *sock, unsigned int tag, namesp_t * nsp);
269 int status_response(int *sock, unsigned int tag, char *mbox);
270 int select_response(int *sock, unsigned int tag);
271 int search_response(int *sock, unsigned int tag, char **mesgs);
272 int fetch_response(int *sock, unsigned int tag, int reset, char *fetch);
273 int fetchsize_response(int *sock, unsigned int *size, unsigned int tag);
274 int append_response(int *sock, unsigned int tag);
275 int copy_response(int *sock, unsigned int tag);
276 int analyze_response(char *buf);
277 void init_vbuf(void);
278 void reset_vbuf(void);
279 void check_vbuf(size_t n);
280
281 /* socket.c */
282 int init_connection(int *sock, char *serv, unsigned short int port,
283 unsigned int protocol);
284 int ssl_init(int *sock, unsigned int protocol);
285 int close_connection(int *sock);
286 int socket_read(int *sock, char *buf);
287 int socket_write(int *sock, char *data);
288
289 /* tty.c */
290 int tty_store(void);
291 int tty_disable_echo(void);
292 int tty_restore(void);
293
294 #endif /* IMAPFILTER_H */

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