/[imapfilter]/imapfilter/imap.c
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Diff of /imapfilter/imap.c

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revision 1.4 by lefcha, Sun Aug 12 16:58:21 2001 UTC revision 1.5 by lefcha, Mon Aug 20 21:40:57 2001 UTC
# Line 18  extern int dfcnt, afcnt; Line 18  extern int dfcnt, afcnt;
18  extern filter_entry **dfilters, **afilters;  extern filter_entry **dfilters, **afilters;
19  extern account_data account;  extern account_data account;
20  extern int options;  extern int options;
21    extern unsigned int dlimit, alimit;
22    
23    
24  /*  /*
# Line 121  int imap_select(void) Line 122  int imap_select(void)
122  /*  /*
123   * IMAP SEARCH: searches the mailbox for messages that match certain criteria.   * IMAP SEARCH: searches the mailbox for messages that match certain criteria.
124   */   */
125  int imap_search(void)  int imap_search(char *results)
126  {  {
127      char command[BIG_COMMAND_MAX];      char command[BIG_COMMAND_MAX];
128    
129      verbose("Client request:  SEARCH\n");      verbose("Client request:  SEARCH\n");
130    
131      generate_search_filters(command);      generate_search_filters(command);
132        if (send_command(command))
133            return FAILURE;
134        search_response(results);
135    
136        verbose("Client request:  SEARCH\n");
137    
138      return send_command(command);      if (alimit && afcnt) {
139            generate_search_limits(command);
140            if (send_command(command))
141                return FAILURE;
142            search_response(results);
143        }
144    
145        return SUCCESS;
146  }  }
147    
148    
# Line 187  int imap_expunge(void) Line 200  int imap_expunge(void)
200    
201  /*  /*
202   * Prepare according to the filters defined by the user the IMAP SEARCH   * Prepare according to the filters defined by the user the IMAP SEARCH
203   * command that will be sent.   * command that will be sent.  This command will search for DENY, ALLOW,
204     * and DENY_LIMIT filters.
205   */   */
206  void generate_search_filters(char *command)  void generate_search_filters(char *command)
207  {  {
     int f = 0;  
208      int len;      int len;
209    
210          snprintf(command, BIG_COMMAND_MAX, "%X SEARCH", tag++);      snprintf(command, BIG_COMMAND_MAX, "%X SEARCH", tag++);
211    
212    
213        deny_filters(command);
214    
215        if (dlimit) {
216            len = strlen(command);
217            snprintf(command + len, BIG_COMMAND_MAX - len, " LARGER %d",
218                     dlimit);
219        }
220    
221        if (!dfcnt) {               /* If no DENY filters were defined, then
222                                       deny all except the ALLOW filters. */
223            len = strlen(command);
224            snprintf(command + len, BIG_COMMAND_MAX - len, " ALL");
225        }
226    
227        allow_filters(command, "NOT");
228    
229        len = strlen(command);
230        snprintf(command + len, BIG_COMMAND_MAX - len, "\r\n");
231    }
232    
233    
234    /*
235     * Prepare according to the filters defined by the user the IMAP SEARCH
236     * command that will be sent.  This command will search for the ALLOW_LIMIT
237     * filter.
238     */
239    void generate_search_limits(char *command)
240    {
241        int len;
242    
243        snprintf(command, BIG_COMMAND_MAX, "%X SEARCH", tag++);
244    
245        allow_filters(command, "OR");
246    
247          /* Go through the DENY type filters... */      len = strlen(command);
248        snprintf(command + len, BIG_COMMAND_MAX - len,
249                " LARGER %d", alimit);
250        
251        len = strlen(command);
252        snprintf(command + len, BIG_COMMAND_MAX - len, "\r\n");
253    
254    }
255    
         if (dfcnt > 0) {  
256    
257              while (f < (dfcnt - 1)) {  /*
258                  len = strlen(command);   * Adds to the IMAP SEARCH command all the DENY type filters.
259                  snprintf(command + len, BIG_COMMAND_MAX - len,   */
260                           " OR %s%s \"%s\"",  void deny_filters(char *command)
261                           (dfilters[f]->custom ? "HEADER " : ""),  {
262                           dfilters[f]->name, dfilters[f]->body);      int f = 0;
263                  f++;      int len;
             }  
264    
265        if (dfcnt > 0) {
266            while (f < (dfcnt - 1)) {
267              len = strlen(command);              len = strlen(command);
268              snprintf(command + len, BIG_COMMAND_MAX - len, " %s%s \"%s\"",              snprintf(command + len, BIG_COMMAND_MAX - len,
269                       (dfilters[f]->custom ? "HEADER " : ""),                       " OR %s%s \"%s\"",
270                         custom_header(dfilters[f]->custom),
271                       dfilters[f]->name, dfilters[f]->body);                       dfilters[f]->name, dfilters[f]->body);
272          } else {              f++;
273              len = strlen(command);          }
274              snprintf(command + len, BIG_COMMAND_MAX - len, " ALL");  
275          }                len = strlen(command);
276            snprintf(command + len, BIG_COMMAND_MAX - len, " %s%s%s \"%s\"",
277                     (dlimit ? "OR " : ""),
278                     custom_header(dfilters[f]->custom),
279                     dfilters[f]->name, dfilters[f]->body);
280        }
281    }
282    
         /* ... and then continue to the ALLOW entries. */  
283    
284          f = 0;  /*
285     * Adds to IMAP SEARCH command all the ALLOW type filters.
286     */
287    void allow_filters(char *command, char *key)
288    {
289        int f = 0;
290        int len;
291    
292          while (f < afcnt) {      if (afcnt > 0) {
293            while (f < (afcnt - 1)) {
294              len = strlen(command);              len = strlen(command);
295              snprintf(command + len, BIG_COMMAND_MAX - len,              snprintf(command + len, BIG_COMMAND_MAX - len,
296                       " NOT %s%s \"%s\"",                       " %s %s%s \"%s\"", key,
297                       (afilters[f]->custom ? "HEADER " : ""),                       custom_header(afilters[f]->custom),
298                       afilters[f]->name, afilters[f]->body);                       afilters[f]->name, afilters[f]->body);
299              f++;              f++;
300          }          }
301    
302          len = strlen(command);          len = strlen(command);
303          snprintf(command + len, BIG_COMMAND_MAX - len, "\r\n");          snprintf(command + len, BIG_COMMAND_MAX - len, " %s%s%s \"%s\"",
304                    (!strncmp(key, "NOT", 3) ? "NOT " : ""),
305                    custom_header(afilters[f]->custom),
306                    afilters[f]->name, afilters[f]->body);
307        }
308  }  }
309    
310    
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