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

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Revision 1.32 - (show annotations)
Tue Jun 18 21:17:35 2002 UTC (21 years, 9 months ago) by lefcha
Branch: MAIN
Changes since 1.31: +73 -49 lines
File MIME type: text/plain
Added rcopy/rmove support.

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 /* Error codes returned by functions. */
15 #define ERROR_SIGNAL 1
16 #define ERROR_TRIVIAL 2
17 #define ERROR_FILE_OPEN 3
18 #define ERROR_LOCKFILE 4
19 #define ERROR_CONFIG_PARSE 5
20 #define ERROR_MEMORY_ALLOCATION 6
21 #define ERROR_SETUID 7
22 #define ERROR_TERMIO 8
23 #define ERROR_NETWORK 9
24 #define ERROR_SSL 10
25 #define ERROR_PASSPHRASE 11
26 #define ERROR_ENCRYPT 12
27 #define ERROR_DECRYPT 13
28 #define ERROR_FORK 14
29 #define ERROR_UNDEFINED 15
30
31 /* Flags that control the program's execution options. */
32 #define OPTION_DETAILS_QUIET 0x01
33 #define OPTION_DETAILS_NORMAL 0x02
34 #define OPTION_DETAILS_VERBOSE 0x04
35 #define OPTION_DETAILS_CLEAR 0xf8
36 #define OPTION_HEADERS 0x08
37 #define OPTION_NAMESPACE 0x10
38 #define OPTION_PASSWORD_EDITOR 0x20
39 #define OPTION_DAEMON_MODE 0x40
40
41 /* Other flags. */
42 #define FLAG_TTY_MODIFIED 0x01
43 #define FLAG_BLANK_PASSWORD 0x02
44
45 /* Capabilities of mail server. */
46 #define CAPABILITY_NONE 0x00
47 #define CAPABILITY_NAMESPACE 0x01
48
49 /* Flags for logger. */
50 #define LOG_WRITE 0
51 #define LOG_SERVER 1
52 #define LOG_USERNAME 2
53 #define LOG_MAILBOX 3
54 #define LOG_FILTER 4
55 #define LOG_ACTION 5
56 #define LOG_DESTINATION_MAILBOX 6
57
58 /* Buffer size of the IMAP command. */
59 #define SMALL_CMD 64
60 #define MEDIUM_CMD 512
61 #define BIG_CMD 32768
62
63 /* Buffer size of server's response. */
64 #define RESPONSE_BUF (4096 + 1)
65 #define RESULT_BUF 512
66
67 /* Response codes. */
68 #define RESPONSE_NONE -2
69 #define RESPONSE_BAD -1
70 #define RESPONSE_OK 0
71 #define RESPONSE_NO 1
72 #define RESPONSE_BYE 2
73 #define RESPONSE_PREAUTH 3
74 #define RESPONSE_READONLY 4
75 #define RESPONSE_TRYCREATE 5
76
77 /* Buffer size of message's headers. */
78 #define HEADERS_BUF 16384
79
80 /* Length of mailbox namespace prefix. */
81 #define NAMESPACE_PREFIX_LEN 64
82
83 /* Encryption and decryption buffers. */
84 #define ENCRYPTION_BUF 1024
85 #define DECRYPTION_BUF 4096
86
87 /* Maximum passwords the password editor can handle. */
88 #define EDITOR_PASSWORDS_MAX 64
89
90
91 #define min(A, B) ((A) < (B) ? (A) : (B))
92 #define plural(A) ((A) == 1 ? "" : "s")
93
94
95 /* Secure memory information. */
96 typedef struct secmem {
97 void *buf; /* Allocated memory buffer. */
98 size_t size; /* Size of the buffer. */
99 struct secmem *prev, *next; /* Previous/next node of doubly linked list. */
100 } secmem_t;
101
102
103 /* Namespace of IMAP mailboxes. */
104 typedef struct namesp {
105 char prefix[NAMESPACE_PREFIX_LEN];
106 char delim;
107 } namesp_t;
108
109
110 /* file.c */
111 int read_config(char *cfg);
112 int parse_config(FILE * fd);
113 void set_options(char *line, regmatch_t * match);
114
115 int read_passwords(void);
116 int parse_passwords(FILE * fd);
117 int store_passwords(account_t * accts[]);
118
119 int create_homedir(void);
120 int exists_file(char *fname);
121 int exists_dir(char *fname);
122 int create_file(char *fname, mode_t mode);
123 #ifdef CHECK_PERMISSIONS
124 int check_file_perms(char *fname, mode_t mode);
125 int check_dir_perms(char *dname, mode_t mode);
126 #endif
127
128 /* imapfilter.c */
129 void usage(void);
130
131 /* imap.c */
132 unsigned int send_command(int *sock, char *cmd);
133 #ifdef DEBUG
134 int imap_noop(int *sock);
135 #endif
136 int imap_capability(int *sock);
137 int imap_namespace(int *sock);
138 int imap_logout(int *sock);
139 int imap_login(int *sock, char *user, char *pass);
140 /* int imap_list(int *sock, char *refer, char *mbox); */
141 int imap_subscribe(int *sock, char *mbox);
142 int imap_examine(int *sock, char *mbox);
143 int imap_select(int *sock, char *mbox);
144 int imap_status(int *sock, char *mbox, char *items);
145 int imap_create(int *sock, char *mbox);
146 int imap_search(int *sock, char *search);
147 int imap_fetch(int *sock, char *mesg, char *items);
148 int imap_store(int *sock, char *mesg, char *flags);
149 int imap_copy(int *sock, char *mesg, char *mbox);
150 int imap_append(int *sock, char *mbox, unsigned int size);
151 int imap_close(int *sock);
152 /* int imap_expunge(int *sock); */
153
154 /* lock.c */
155 void lockfile_create(void);
156 void lockfile_check(void);
157 pid_t lockfile_pid(void);
158 int lockfile_remove(void);
159 void kill_imapfilter(void);
160
161 /* log.c */
162 void info(const char *info,...);
163 void verbose(const char *info,...);
164 void error(const char *errmsg,...);
165 void fatal(unsigned int errnum, const char *fatal,...);
166 void catch_signals(void);
167 void signal_handler(int sig);
168 int open_logfile(void);
169 int create_logfile(void);
170 int close_logfile(void);
171 void log_info(int flag, void *ptr);
172 char *get_time(void);
173
174 /* memory.c */
175 void *xmalloc(size_t size);
176 void *xrealloc(void *ptr, size_t size);
177 void xfree(void *ptr);
178 char *xstrdup(const char *s);
179
180 void *smalloc(size_t size);
181 void *srealloc(void *ptr, size_t size);
182 void sfree(void *ptr);
183 char *sstrdup(const char *s);
184 void secmem_append(secmem_t *node);
185 secmem_t *secmem_find(void *ptr);
186 void secmem_remove(secmem_t *node);
187 void secmem_clear(void);
188 void secmem_lock(void);
189
190 void corefile_disable(void);
191
192 /* misc.c */
193 char *strcasestr(const char *haystack, const char *needle);
194 char *ultostr(unsigned long int num, int base);
195 char *xstrncpy(char *dest, const char *src, size_t size);
196
197 /* passwd.c */
198 void get_password(char *passwd, size_t pwlen);
199 #ifdef ENCRYPTED_PASSWORDS
200 int encrypt_passwords(FILE *fd, account_t *accts[]);
201 int decrypt_passwords(unsigned char **buf, FILE *fd);
202 void password_editor(void);
203 #endif
204
205 /* request.c */
206 int test(int *sock);
207 int check_capabilities(int *sock);
208 int check_namespace(int *sock, namesp_t *nsp);
209 int login(int *sock, char *user, char *pass);
210 int check_mailbox(int *sock, char *mbox, namesp_t *nsp);
211 int select_mailbox(int *sock, char *mbox, namesp_t *nsp);
212 int mailbox_status(int *sock, char *mbox, namesp_t *nsp);
213 int close_mailbox(int *sock);
214 int logout(int *sock);
215
216 int apply_filters(filter_t ** filters);
217 int match_filter(filter_t * filter, char **mesgs);
218
219 void empty_fifo(mask_t ** mfifo);
220 void queue_fifo(mask_t ** mfifo, mask_t * mask);
221 mask_t *dequeue_fifo(mask_t ** mfifo);
222
223 char *generate_filter_and(mask_t * mask, unsigned int masknum,
224 unsigned int masklen);
225 char *generate_filter_or(mask_t * mask, unsigned int masknum,
226 unsigned int masklen);
227
228 int apply_action(char *mesgs, unsigned int *type, account_t *raccount,
229 char *destmbox, char *args);
230 int action_delete(char *mesgs, char *args);
231 int action_copy(char *mesgs, char *destmbox, char *args);
232 int action_move(char *mesgs, char *destmbox, char *args);
233 int action_rcopy(char *mesgs, account_t *destacc, char *destmbox, char *args);
234 int action_rmove(char *mesgs, account_t *destacc, char *destmbox, char *args);
235 int action_list(char *mesgs, char *args);
236
237 unsigned int count_messages(char *mesgs);
238 void convert_messages(char *mesgs);
239
240
241 /* response.c */
242 void receive_response(int *sock, char *buf);
243 int server_response(int *sock, unsigned int tag);
244 int greeting_response(int *sock);
245 int capability_response(int *sock, unsigned int tag);
246 int namespace_response(int *sock, unsigned int tag, namesp_t *nsp);
247 int status_response(int *sock, unsigned int tag, char *mbox);
248 int select_response(int *sock, unsigned int tag);
249 int search_response(int *sock, unsigned int tag, char **mesgs);
250 int fetch_response(int *sock, int reset, char *fetch, unsigned int tag);
251 int fetchsize_response(int *sock, unsigned int *size, unsigned int tag);
252 int append_response(int *sock, unsigned int tag);
253 int copy_response(int *sock, unsigned int tag);
254 int analyze_response(char *buf);
255 void init_vbuf(void);
256 void reset_vbuf(void);
257 void check_vbuf(size_t n);
258
259 /* socket.c */
260 int init_connection(int *sock, char *serv, unsigned short int port,
261 unsigned int protocol);
262 int ssl_init(int *sock, unsigned int protocol);
263 int close_connection(int *sock);
264 int socket_read(int *sock, char *buf);
265 int socket_write(int *sock, char *data);
266
267 /* tty.c */
268 int tty_store(void);
269 int tty_disable_echo(void);
270 int tty_restore(void);
271
272 #endif /* IMAPFILTER_H */

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