Commit | Line | Data |
---|---|---|
8523533c TK |
1 | /************************************************* |
2 | * Exim - an Internet mail transport agent * | |
3 | *************************************************/ | |
4 | ||
5 | /* Copyright (c) Tom Kistner <tom@duncanthrax.net> 2003-???? */ | |
6 | /* License: GPL */ | |
7 | ||
8 | /* Code for calling spamassassin's spamd. Called from acl.c. */ | |
9 | ||
10 | #include "exim.h" | |
11 | #ifdef WITH_CONTENT_SCAN | |
12 | #include "spam.h" | |
13 | ||
14 | uschar spam_score_buffer[16]; | |
15 | uschar spam_score_int_buffer[16]; | |
16 | uschar spam_bar_buffer[128]; | |
17 | uschar spam_report_buffer[32600]; | |
18 | uschar prev_user_name[128] = ""; | |
19 | int spam_ok = 0; | |
20 | int spam_rc = 0; | |
f7274286 | 21 | uschar *prev_spamd_address_work = NULL; |
8523533c | 22 | |
c007c974 JH |
23 | int |
24 | spam(uschar **listptr) | |
25 | { | |
8523533c TK |
26 | int sep = 0; |
27 | uschar *list = *listptr; | |
28 | uschar *user_name; | |
29 | uschar user_name_buffer[128]; | |
f7b63901 | 30 | unsigned long mbox_size; |
8523533c | 31 | FILE *mbox_file; |
0f501486 | 32 | int spamd_sock = -1; |
8523533c | 33 | uschar spamd_buffer[32600]; |
cfe75fc3 | 34 | int i, j, offset, result; |
8523533c TK |
35 | uschar spamd_version[8]; |
36 | uschar spamd_score_char; | |
37 | double spamd_threshold, spamd_score; | |
38 | int spamd_report_offset; | |
39 | uschar *p,*q; | |
40 | int override = 0; | |
cfe75fc3 PH |
41 | time_t start; |
42 | size_t read, wrote; | |
8523533c | 43 | struct sockaddr_un server; |
f452e07e | 44 | #ifndef NO_POLL_H |
cfe75fc3 | 45 | struct pollfd pollfd; |
25257489 PH |
46 | #else /* Patch posted by Erik ? for OS X */ |
47 | struct timeval select_tv; /* and applied by PH */ | |
48 | fd_set select_fd; | |
f452e07e | 49 | #endif |
b6e6e716 | 50 | uschar *spamd_address_work; |
b6fbf22d | 51 | static const uschar * loglabel = US"spam acl condition:"; |
8523533c | 52 | |
5614ee86 | 53 | /* stop compiler warning */ |
91ecef39 | 54 | result = 0; |
5614ee86 | 55 | |
8523533c TK |
56 | /* find the username from the option list */ |
57 | if ((user_name = string_nextinlist(&list, &sep, | |
58 | user_name_buffer, | |
ddcf2b5f JH |
59 | sizeof(user_name_buffer))) == NULL) |
60 | { | |
8523533c TK |
61 | /* no username given, this means no scanning should be done */ |
62 | return FAIL; | |
ddcf2b5f | 63 | } |
8523533c TK |
64 | |
65 | /* if username is "0" or "false", do not scan */ | |
66 | if ( (Ustrcmp(user_name,"0") == 0) || | |
ddcf2b5f | 67 | (strcmpic(user_name,US"false") == 0) ) |
8523533c | 68 | return FAIL; |
8523533c TK |
69 | |
70 | /* if there is an additional option, check if it is "true" */ | |
ddcf2b5f | 71 | if (strcmpic(list,US"true") == 0) |
8523533c TK |
72 | /* in that case, always return true later */ |
73 | override = 1; | |
8523533c | 74 | |
f7274286 | 75 | /* expand spamd_address if needed */ |
ddcf2b5f JH |
76 | if (*spamd_address == '$') |
77 | { | |
f7274286 | 78 | spamd_address_work = expand_string(spamd_address); |
ddcf2b5f JH |
79 | if (spamd_address_work == NULL) |
80 | { | |
f7274286 | 81 | log_write(0, LOG_MAIN|LOG_PANIC, |
a56cc2b8 JH |
82 | "%s spamd_address starts with $, but expansion failed: %s", |
83 | loglabel, expand_string_message); | |
f7274286 | 84 | return DEFER; |
ddcf2b5f | 85 | } |
f7274286 | 86 | } |
f7274286 PP |
87 | else |
88 | spamd_address_work = spamd_address; | |
89 | ||
90 | /* check if previous spamd_address was expanded and has changed. dump cached results if so */ | |
ddcf2b5f JH |
91 | if ( spam_ok |
92 | && prev_spamd_address_work != NULL | |
93 | && Ustrcmp(prev_spamd_address_work, spamd_address_work) != 0 | |
94 | ) | |
f7274286 | 95 | spam_ok = 0; |
f7274286 | 96 | |
8e669ac1 | 97 | /* if we scanned for this username last time, just return */ |
e8bc7fca JH |
98 | if (spam_ok && Ustrcmp(prev_user_name, user_name) == 0) |
99 | return override ? OK : spam_rc; | |
8e669ac1 | 100 | |
8523533c | 101 | /* make sure the eml mbox file is spooled up */ |
8544e77a | 102 | mbox_file = spool_mbox(&mbox_size, NULL); |
8e669ac1 | 103 | |
ddcf2b5f JH |
104 | if (mbox_file == NULL) |
105 | { | |
8523533c TK |
106 | /* error while spooling */ |
107 | log_write(0, LOG_MAIN|LOG_PANIC, | |
a56cc2b8 | 108 | "%s error while creating mbox spool file", loglabel); |
8523533c | 109 | return DEFER; |
ddcf2b5f | 110 | } |
8523533c | 111 | |
cfe75fc3 | 112 | start = time(NULL); |
b6e6e716 | 113 | |
8523533c | 114 | /* socket does not start with '/' -> network socket */ |
ddcf2b5f JH |
115 | if (*spamd_address_work != '/') |
116 | { | |
8523533c | 117 | int num_servers = 0; |
29cfeb94 | 118 | int current_server; |
8523533c | 119 | uschar *address = NULL; |
e1e7cfcb | 120 | uschar *spamd_address_list_ptr = spamd_address_work; |
8523533c TK |
121 | uschar address_buffer[256]; |
122 | spamd_address_container * spamd_address_vector[32]; | |
123 | ||
124 | /* Check how many spamd servers we have | |
125 | and register their addresses */ | |
126 | while ((address = string_nextinlist(&spamd_address_list_ptr, &sep, | |
127 | address_buffer, | |
ddcf2b5f JH |
128 | sizeof(address_buffer))) != NULL) |
129 | { | |
8e669ac1 | 130 | |
29cfeb94 | 131 | /* Potential memory leak as we never free the store. */ |
8523533c TK |
132 | spamd_address_container *this_spamd = |
133 | (spamd_address_container *)store_get(sizeof(spamd_address_container)); | |
8e669ac1 | 134 | |
8523533c | 135 | /* grok spamd address and port */ |
d6e35dd0 | 136 | if (sscanf(CS address, "%23s %u", this_spamd->tcp_addr, &this_spamd->tcp_port) != 2) |
e252eb8c | 137 | { |
8523533c | 138 | log_write(0, LOG_MAIN, |
a56cc2b8 | 139 | "%s warning - invalid spamd address: '%s'", loglabel, address); |
8523533c | 140 | continue; |
ddcf2b5f | 141 | } |
8e669ac1 | 142 | |
8523533c | 143 | spamd_address_vector[num_servers] = this_spamd; |
a56cc2b8 JH |
144 | if ( ++num_servers |
145 | >= sizeof(spamd_address_vector)/sizeof(spamd_address_vector[0])) | |
8523533c | 146 | break; |
ddcf2b5f | 147 | } |
8e669ac1 | 148 | |
8523533c | 149 | /* check if we have at least one server */ |
ddcf2b5f JH |
150 | if (!num_servers) |
151 | { | |
8523533c | 152 | log_write(0, LOG_MAIN|LOG_PANIC, |
a56cc2b8 JH |
153 | "%s no useable spamd server addresses in spamd_address configuration option.", |
154 | loglabel); | |
f1e894f3 | 155 | (void)fclose(mbox_file); |
8523533c | 156 | return DEFER; |
ddcf2b5f | 157 | } |
8523533c | 158 | |
a56cc2b8 | 159 | while (num_servers > 0) |
ddcf2b5f | 160 | { |
2e64baa9 | 161 | int i; |
8523533c | 162 | |
29cfeb94 | 163 | /* Randomly pick a server to try */ |
a56cc2b8 | 164 | current_server = random_number(num_servers); |
8e669ac1 | 165 | |
8523533c TK |
166 | debug_printf("trying server %s, port %u\n", |
167 | spamd_address_vector[current_server]->tcp_addr, | |
168 | spamd_address_vector[current_server]->tcp_port); | |
8e669ac1 | 169 | |
8523533c | 170 | /* contact a spamd */ |
a56cc2b8 | 171 | if ((spamd_sock = ip_socket(SOCK_STREAM, AF_INET)) < 0) |
ddcf2b5f | 172 | { |
8523533c | 173 | log_write(0, LOG_MAIN|LOG_PANIC, |
a56cc2b8 | 174 | "%s error creating IP socket for spamd", loglabel); |
f1e894f3 | 175 | (void)fclose(mbox_file); |
8e669ac1 | 176 | return DEFER; |
ddcf2b5f | 177 | } |
8e669ac1 | 178 | |
a56cc2b8 JH |
179 | if (ip_connect(spamd_sock, |
180 | AF_INET, | |
181 | spamd_address_vector[current_server]->tcp_addr, | |
182 | spamd_address_vector[current_server]->tcp_port, | |
183 | 5 ) > -1) | |
8523533c TK |
184 | /* connection OK */ |
185 | break; | |
8e669ac1 | 186 | |
8523533c | 187 | log_write(0, LOG_MAIN|LOG_PANIC, |
a56cc2b8 JH |
188 | "%s warning - spamd connection to %s, port %u failed: %s", |
189 | loglabel, | |
8523533c TK |
190 | spamd_address_vector[current_server]->tcp_addr, |
191 | spamd_address_vector[current_server]->tcp_port, | |
192 | strerror(errno)); | |
29cfeb94 PP |
193 | |
194 | (void)close(spamd_sock); | |
195 | ||
196 | /* Remove the server from the list. XXX We should free the memory */ | |
197 | num_servers--; | |
a56cc2b8 | 198 | for (i = current_server; i < num_servers; i++) |
29cfeb94 | 199 | spamd_address_vector[i] = spamd_address_vector[i+1]; |
ddcf2b5f | 200 | } |
29cfeb94 | 201 | |
a56cc2b8 | 202 | if (num_servers == 0) |
ddcf2b5f | 203 | { |
a56cc2b8 | 204 | log_write(0, LOG_MAIN|LOG_PANIC, "%s all spamd servers failed", loglabel); |
29cfeb94 PP |
205 | (void)fclose(mbox_file); |
206 | return DEFER; | |
ddcf2b5f | 207 | } |
29cfeb94 | 208 | } |
ddcf2b5f JH |
209 | else |
210 | { | |
8523533c TK |
211 | /* open the local socket */ |
212 | ||
ddcf2b5f JH |
213 | if ((spamd_sock = socket(AF_UNIX, SOCK_STREAM, 0)) < 0) |
214 | { | |
8523533c | 215 | log_write(0, LOG_MAIN|LOG_PANIC, |
a56cc2b8 JH |
216 | "%s spamd: unable to acquire socket (%s)", |
217 | loglabel, | |
8523533c | 218 | strerror(errno)); |
f1e894f3 | 219 | (void)fclose(mbox_file); |
8523533c | 220 | return DEFER; |
ddcf2b5f | 221 | } |
8523533c TK |
222 | |
223 | server.sun_family = AF_UNIX; | |
b6e6e716 | 224 | Ustrcpy(server.sun_path, spamd_address_work); |
8523533c | 225 | |
ddcf2b5f JH |
226 | if (connect(spamd_sock, (struct sockaddr *) &server, sizeof(struct sockaddr_un)) < 0) |
227 | { | |
8523533c | 228 | log_write(0, LOG_MAIN|LOG_PANIC, |
a56cc2b8 JH |
229 | "%s spamd: unable to connect to UNIX socket %s (%s)", |
230 | loglabel, | |
b6e6e716 | 231 | spamd_address_work, strerror(errno) ); |
f1e894f3 PH |
232 | (void)fclose(mbox_file); |
233 | (void)close(spamd_sock); | |
8523533c | 234 | return DEFER; |
ddcf2b5f | 235 | } |
8523533c TK |
236 | } |
237 | ||
ddcf2b5f JH |
238 | if (spamd_sock == -1) |
239 | { | |
0f501486 PP |
240 | log_write(0, LOG_MAIN|LOG_PANIC, |
241 | "programming fault, spamd_sock unexpectedly unset"); | |
242 | (void)fclose(mbox_file); | |
243 | (void)close(spamd_sock); | |
244 | return DEFER; | |
ddcf2b5f | 245 | } |
0f501486 | 246 | |
8523533c | 247 | /* now we are connected to spamd on spamd_sock */ |
b07e6aa3 | 248 | (void)string_format(spamd_buffer, |
8523533c | 249 | sizeof(spamd_buffer), |
f7b63901 | 250 | "REPORT SPAMC/1.2\r\nUser: %s\r\nContent-length: %ld\r\n\r\n", |
8523533c TK |
251 | user_name, |
252 | mbox_size); | |
253 | ||
254 | /* send our request */ | |
ddcf2b5f JH |
255 | if (send(spamd_sock, spamd_buffer, Ustrlen(spamd_buffer), 0) < 0) |
256 | { | |
f1e894f3 | 257 | (void)close(spamd_sock); |
8523533c | 258 | log_write(0, LOG_MAIN|LOG_PANIC, |
a56cc2b8 | 259 | "%s spamd send failed: %s", loglabel, strerror(errno)); |
f1e894f3 PH |
260 | (void)fclose(mbox_file); |
261 | (void)close(spamd_sock); | |
8523533c | 262 | return DEFER; |
ddcf2b5f | 263 | } |
8523533c TK |
264 | |
265 | /* now send the file */ | |
cfe75fc3 PH |
266 | /* spamd sometimes accepts conections but doesn't read data off |
267 | * the connection. We make the file descriptor non-blocking so | |
268 | * that the write will only write sufficient data without blocking | |
269 | * and we poll the desciptor to make sure that we can write without | |
270 | * blocking. Short writes are gracefully handled and if the whole | |
271 | * trasaction takes too long it is aborted. | |
25257489 PH |
272 | * Note: poll() is not supported in OSX 10.2 and is reported to be |
273 | * broken in more recent versions (up to 10.4). | |
cfe75fc3 | 274 | */ |
f452e07e | 275 | #ifndef NO_POLL_H |
cfe75fc3 PH |
276 | pollfd.fd = spamd_sock; |
277 | pollfd.events = POLLOUT; | |
f452e07e | 278 | #endif |
ff790e47 | 279 | (void)fcntl(spamd_sock, F_SETFL, O_NONBLOCK); |
ddcf2b5f JH |
280 | do |
281 | { | |
cfe75fc3 | 282 | read = fread(spamd_buffer,1,sizeof(spamd_buffer),mbox_file); |
ddcf2b5f JH |
283 | if (read > 0) |
284 | { | |
cfe75fc3 PH |
285 | offset = 0; |
286 | again: | |
f452e07e | 287 | #ifndef NO_POLL_H |
cfe75fc3 | 288 | result = poll(&pollfd, 1, 1000); |
25257489 PH |
289 | |
290 | /* Patch posted by Erik ? for OS X and applied by PH */ | |
291 | #else | |
292 | select_tv.tv_sec = 1; | |
293 | select_tv.tv_usec = 0; | |
294 | FD_ZERO(&select_fd); | |
295 | FD_SET(spamd_sock, &select_fd); | |
296 | result = select(spamd_sock+1, NULL, &select_fd, NULL, &select_tv); | |
297 | #endif | |
298 | /* End Erik's patch */ | |
299 | ||
cfe75fc3 | 300 | if (result == -1 && errno == EINTR) |
25257489 | 301 | goto again; |
ddcf2b5f JH |
302 | else if (result < 1) |
303 | { | |
cfe75fc3 PH |
304 | if (result == -1) |
305 | log_write(0, LOG_MAIN|LOG_PANIC, | |
a56cc2b8 | 306 | "%s %s on spamd socket", loglabel, strerror(errno)); |
ddcf2b5f JH |
307 | else |
308 | { | |
cfe75fc3 | 309 | if (time(NULL) - start < SPAMD_TIMEOUT) |
c007c974 | 310 | goto again; |
cfe75fc3 | 311 | log_write(0, LOG_MAIN|LOG_PANIC, |
a56cc2b8 | 312 | "%s timed out writing spamd socket", loglabel); |
ddcf2b5f | 313 | } |
f1e894f3 PH |
314 | (void)close(spamd_sock); |
315 | (void)fclose(mbox_file); | |
8523533c | 316 | return DEFER; |
ddcf2b5f | 317 | } |
25257489 | 318 | |
cfe75fc3 | 319 | wrote = send(spamd_sock,spamd_buffer + offset,read - offset,0); |
8d7d227d | 320 | if (wrote == -1) |
ddcf2b5f JH |
321 | { |
322 | log_write(0, LOG_MAIN|LOG_PANIC, | |
a56cc2b8 | 323 | "%s %s on spamd socket", loglabel, strerror(errno)); |
f1e894f3 PH |
324 | (void)close(spamd_sock); |
325 | (void)fclose(mbox_file); | |
8d7d227d | 326 | return DEFER; |
ddcf2b5f JH |
327 | } |
328 | if (offset + wrote != read) | |
329 | { | |
cfe75fc3 PH |
330 | offset += wrote; |
331 | goto again; | |
ddcf2b5f | 332 | } |
cfe75fc3 PH |
333 | } |
334 | } | |
cfe75fc3 | 335 | while (!feof(mbox_file) && !ferror(mbox_file)); |
ddcf2b5f JH |
336 | |
337 | if (ferror(mbox_file)) | |
338 | { | |
cfe75fc3 | 339 | log_write(0, LOG_MAIN|LOG_PANIC, |
a56cc2b8 | 340 | "%s error reading spool file: %s", loglabel, strerror(errno)); |
f1e894f3 PH |
341 | (void)close(spamd_sock); |
342 | (void)fclose(mbox_file); | |
cfe75fc3 | 343 | return DEFER; |
ddcf2b5f | 344 | } |
8523533c | 345 | |
f1e894f3 | 346 | (void)fclose(mbox_file); |
8523533c TK |
347 | |
348 | /* we're done sending, close socket for writing */ | |
349 | shutdown(spamd_sock,SHUT_WR); | |
8e669ac1 | 350 | |
cfe75fc3 PH |
351 | /* read spamd response using what's left of the timeout. |
352 | */ | |
8523533c TK |
353 | memset(spamd_buffer, 0, sizeof(spamd_buffer)); |
354 | offset = 0; | |
ddcf2b5f | 355 | while ((i = ip_recv(spamd_sock, |
8523533c TK |
356 | spamd_buffer + offset, |
357 | sizeof(spamd_buffer) - offset - 1, | |
ddcf2b5f | 358 | SPAMD_TIMEOUT - time(NULL) + start)) > 0 ) |
8523533c | 359 | offset += i; |
8523533c TK |
360 | |
361 | /* error handling */ | |
ddcf2b5f JH |
362 | if (i <= 0 && errno != 0) |
363 | { | |
8523533c | 364 | log_write(0, LOG_MAIN|LOG_PANIC, |
a56cc2b8 | 365 | "%s error reading from spamd socket: %s", loglabel, strerror(errno)); |
f1e894f3 | 366 | (void)close(spamd_sock); |
8523533c | 367 | return DEFER; |
ddcf2b5f | 368 | } |
8523533c TK |
369 | |
370 | /* reading done */ | |
f1e894f3 | 371 | (void)close(spamd_sock); |
8523533c TK |
372 | |
373 | /* dig in the spamd output and put the report in a multiline header, if requested */ | |
ddcf2b5f JH |
374 | if (sscanf(CS spamd_buffer, |
375 | "SPAMD/%7s 0 EX_OK\r\nContent-length: %*u\r\n\r\n%lf/%lf\r\n%n", | |
376 | spamd_version, &spamd_score, &spamd_threshold, | |
377 | &spamd_report_offset) != 3) | |
378 | { | |
8e669ac1 | 379 | |
8523533c | 380 | /* try to fall back to pre-2.50 spamd output */ |
ddcf2b5f JH |
381 | if (sscanf(CS spamd_buffer, |
382 | "SPAMD/%7s 0 EX_OK\r\nSpam: %*s ; %lf / %lf\r\n\r\n%n", | |
383 | spamd_version, &spamd_score, &spamd_threshold, | |
384 | &spamd_report_offset) != 3 ) | |
385 | { | |
8523533c | 386 | log_write(0, LOG_MAIN|LOG_PANIC, |
a56cc2b8 | 387 | "%s cannot parse spamd output", loglabel); |
8523533c | 388 | return DEFER; |
ddcf2b5f JH |
389 | } |
390 | } | |
8523533c TK |
391 | |
392 | /* Create report. Since this is a multiline string, | |
393 | we must hack it into shape first */ | |
394 | p = &spamd_buffer[spamd_report_offset]; | |
395 | q = spam_report_buffer; | |
ddcf2b5f JH |
396 | while (*p != '\0') |
397 | { | |
8523533c | 398 | /* skip \r */ |
ddcf2b5f JH |
399 | if (*p == '\r') |
400 | { | |
8523533c TK |
401 | p++; |
402 | continue; | |
ddcf2b5f JH |
403 | } |
404 | *q++ = *p; | |
405 | if (*p++ == '\n') | |
406 | { | |
89dec7b6 TF |
407 | /* add an extra space after the newline to ensure |
408 | that it is treated as a header continuation line */ | |
ddcf2b5f JH |
409 | *q++ = ' '; |
410 | } | |
411 | } | |
8523533c | 412 | /* NULL-terminate */ |
ddcf2b5f | 413 | *q-- = '\0'; |
8523533c | 414 | /* cut off trailing leftovers */ |
ddcf2b5f JH |
415 | while (*q <= ' ') |
416 | *q-- = '\0'; | |
417 | ||
8523533c TK |
418 | spam_report = spam_report_buffer; |
419 | ||
420 | /* create spam bar */ | |
421 | spamd_score_char = spamd_score > 0 ? '+' : '-'; | |
422 | j = abs((int)(spamd_score)); | |
423 | i = 0; | |
ddcf2b5f JH |
424 | if (j != 0) |
425 | while ((i < j) && (i <= MAX_SPAM_BAR_CHARS)) | |
8523533c | 426 | spam_bar_buffer[i++] = spamd_score_char; |
ddcf2b5f JH |
427 | else |
428 | { | |
8523533c TK |
429 | spam_bar_buffer[0] = '/'; |
430 | i = 1; | |
ddcf2b5f | 431 | } |
8523533c TK |
432 | spam_bar_buffer[i] = '\0'; |
433 | spam_bar = spam_bar_buffer; | |
434 | ||
435 | /* create "float" spam score */ | |
b07e6aa3 | 436 | (void)string_format(spam_score_buffer, sizeof(spam_score_buffer),"%.1f", spamd_score); |
8523533c TK |
437 | spam_score = spam_score_buffer; |
438 | ||
439 | /* create "int" spam score */ | |
440 | j = (int)((spamd_score + 0.001)*10); | |
b07e6aa3 | 441 | (void)string_format(spam_score_int_buffer, sizeof(spam_score_int_buffer), "%d", j); |
8523533c TK |
442 | spam_score_int = spam_score_int_buffer; |
443 | ||
444 | /* compare threshold against score */ | |
ddcf2b5f JH |
445 | if (spamd_score >= spamd_threshold) |
446 | { | |
8523533c TK |
447 | /* spam as determined by user's threshold */ |
448 | spam_rc = OK; | |
ddcf2b5f JH |
449 | } |
450 | else | |
451 | { | |
8523533c TK |
452 | /* not spam */ |
453 | spam_rc = FAIL; | |
ddcf2b5f | 454 | } |
8e669ac1 | 455 | |
f7274286 | 456 | /* remember expanded spamd_address if needed */ |
ddcf2b5f | 457 | if (spamd_address_work != spamd_address) |
f7274286 | 458 | prev_spamd_address_work = string_copy(spamd_address_work); |
ddcf2b5f | 459 | |
f7274286 PP |
460 | /* remember user name and "been here" for it */ |
461 | Ustrcpy(prev_user_name, user_name); | |
462 | spam_ok = 1; | |
8e669ac1 | 463 | |
ddcf2b5f | 464 | if (override) /* always return OK, no matter what the score */ |
8523533c | 465 | return OK; |
ddcf2b5f | 466 | else |
8523533c | 467 | return spam_rc; |
8523533c TK |
468 | } |
469 | ||
470 | #endif |