Commit | Line | Data |
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059ec3d9 PH |
1 | /************************************************* |
2 | * Exim - an Internet mail transport agent * | |
3 | *************************************************/ | |
4 | ||
f9ba5e22 | 5 | /* Copyright (c) University of Cambridge 1995 - 2018 */ |
059ec3d9 PH |
6 | /* See the file NOTICE for conditions of use and distribution. */ |
7 | ||
8 | /* Functions for reading spool files. When compiling for a utility (eximon), | |
9 | not all are needed, and some functionality can be cut out. */ | |
10 | ||
11 | ||
12 | #include "exim.h" | |
13 | ||
14 | ||
15 | ||
16 | #ifndef COMPILE_UTILITY | |
17 | /************************************************* | |
18 | * Open and lock data file * | |
19 | *************************************************/ | |
20 | ||
21 | /* The data file is the one that is used for locking, because the header file | |
22 | can get replaced during delivery because of header rewriting. The file has | |
23 | to opened with write access so that we can get an exclusive lock, but in | |
24 | fact it won't be written to. Just in case there's a major disaster (e.g. | |
25 | overwriting some other file descriptor with the value of this one), open it | |
26 | with append. | |
27 | ||
92b0827a JH |
28 | As called by deliver_message() (at least) we are operating as root. |
29 | ||
059ec3d9 | 30 | Argument: the id of the message |
789f8a4f | 31 | Returns: fd if file successfully opened and locked, else -1 |
059ec3d9 | 32 | |
789f8a4f | 33 | Side effect: message_subdir is set for the (possibly split) spool directory |
059ec3d9 PH |
34 | */ |
35 | ||
789f8a4f | 36 | int |
059ec3d9 PH |
37 | spool_open_datafile(uschar *id) |
38 | { | |
059ec3d9 PH |
39 | struct stat statbuf; |
40 | flock_t lock_data; | |
789f8a4f | 41 | int fd; |
059ec3d9 PH |
42 | |
43 | /* If split_spool_directory is set, first look for the file in the appropriate | |
44 | sub-directory of the input directory. If it is not found there, try the input | |
45 | directory itself, to pick up leftovers from before the splitting. If split_ | |
46 | spool_directory is not set, first look in the main input directory. If it is | |
47 | not found there, try the split sub-directory, in case it is left over from a | |
48 | splitting state. */ | |
49 | ||
d7978c0f | 50 | for (int i = 0; i < 2; i++) |
059ec3d9 | 51 | { |
41313d92 | 52 | uschar * fname; |
059ec3d9 | 53 | int save_errno; |
9befa1ca | 54 | |
59a93276 | 55 | set_subdir_str(message_subdir, id, i); |
41313d92 JH |
56 | fname = spool_fname(US"input", message_subdir, id, US"-D"); |
57 | DEBUG(D_deliver) debug_printf("Trying spool file %s\n", fname); | |
a2da3176 | 58 | |
85defcf0 PP |
59 | /* We protect against symlink attacks both in not propagating the |
60 | * file-descriptor to other processes as we exec, and also ensuring that we | |
61 | * don't even open symlinks. | |
62 | * No -D file inside the spool area should be a symlink. | |
63 | */ | |
92b0827a JH |
64 | if ((fd = Uopen(fname, |
65 | #ifdef O_CLOEXEC | |
66 | O_CLOEXEC | | |
85defcf0 PP |
67 | #endif |
68 | #ifdef O_NOFOLLOW | |
69 | O_NOFOLLOW | | |
92b0827a JH |
70 | #endif |
71 | O_RDWR | O_APPEND, 0)) >= 0) | |
789f8a4f | 72 | break; |
059ec3d9 PH |
73 | save_errno = errno; |
74 | if (errno == ENOENT) | |
75 | { | |
76 | if (i == 0) continue; | |
8768d548 | 77 | if (!f.queue_running) |
9befa1ca | 78 | log_write(0, LOG_MAIN, "Spool%s%s file %s-D not found", |
12cf7615 JH |
79 | *queue_name ? US" Q=" : US"", |
80 | *queue_name ? queue_name : US"", | |
9befa1ca | 81 | id); |
059ec3d9 | 82 | } |
9befa1ca JH |
83 | else |
84 | log_write(0, LOG_MAIN, "Spool error for %s: %s", fname, strerror(errno)); | |
059ec3d9 | 85 | errno = save_errno; |
789f8a4f | 86 | return -1; |
059ec3d9 PH |
87 | } |
88 | ||
89 | /* File is open and message_subdir is set. Set the close-on-exec flag, and lock | |
90 | the file. We lock only the first line of the file (containing the message ID) | |
91 | because this apparently is needed for running Exim under Cygwin. If the entire | |
92 | file is locked in one process, a sub-process cannot access it, even when passed | |
93 | an open file descriptor (at least, I think that's the Cygwin story). On real | |
94 | Unix systems it doesn't make any difference as long as Exim is consistent in | |
95 | what it locks. */ | |
96 | ||
92b0827a JH |
97 | #ifndef O_CLOEXEC |
98 | (void)fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC); | |
99 | #endif | |
059ec3d9 PH |
100 | |
101 | lock_data.l_type = F_WRLCK; | |
102 | lock_data.l_whence = SEEK_SET; | |
103 | lock_data.l_start = 0; | |
104 | lock_data.l_len = SPOOL_DATA_START_OFFSET; | |
105 | ||
789f8a4f | 106 | if (fcntl(fd, F_SETLK, &lock_data) < 0) |
059ec3d9 PH |
107 | { |
108 | log_write(L_skip_delivery, | |
109 | LOG_MAIN, | |
110 | "Spool file is locked (another process is handling this message)"); | |
789f8a4f | 111 | (void)close(fd); |
059ec3d9 | 112 | errno = 0; |
789f8a4f | 113 | return -1; |
059ec3d9 PH |
114 | } |
115 | ||
116 | /* Get the size of the data; don't include the leading filename line | |
117 | in the count, but add one for the newline before the data. */ | |
118 | ||
789f8a4f | 119 | if (fstat(fd, &statbuf) == 0) |
059ec3d9 PH |
120 | { |
121 | message_body_size = statbuf.st_size - SPOOL_DATA_START_OFFSET; | |
122 | message_size = message_body_size + 1; | |
123 | } | |
124 | ||
789f8a4f | 125 | return fd; |
059ec3d9 PH |
126 | } |
127 | #endif /* COMPILE_UTILITY */ | |
128 | ||
129 | ||
130 | ||
131 | /************************************************* | |
132 | * Read non-recipients tree from spool file * | |
133 | *************************************************/ | |
134 | ||
135 | /* The tree of non-recipients is written to the spool file in a form that | |
136 | makes it easy to read back into a tree. The format is as follows: | |
137 | ||
138 | . Each node is preceded by two letter(Y/N) indicating whether it has left | |
139 | or right children. There's one space after the two flags, before the name. | |
140 | ||
141 | . The left subtree (if any) then follows, then the right subtree (if any). | |
142 | ||
143 | This function is entered with the next input line in the buffer. Note we must | |
144 | save the right flag before recursing with the same buffer. | |
145 | ||
146 | Once the tree is read, we re-construct the balance fields by scanning the tree. | |
147 | I forgot to write them out originally, and the compatible fix is to do it this | |
148 | way. This initial local recursing function does the necessary. | |
149 | ||
150 | Arguments: | |
151 | node tree node | |
152 | ||
153 | Returns: maximum depth below the node, including the node itself | |
154 | */ | |
155 | ||
156 | static int | |
157 | count_below(tree_node *node) | |
158 | { | |
159 | int nleft, nright; | |
160 | if (node == NULL) return 0; | |
161 | nleft = count_below(node->left); | |
162 | nright = count_below(node->right); | |
163 | node->balance = (nleft > nright)? 1 : ((nright > nleft)? 2 : 0); | |
164 | return 1 + ((nleft > nright)? nleft : nright); | |
165 | } | |
166 | ||
167 | /* This is the real function... | |
168 | ||
169 | Arguments: | |
170 | connect pointer to the root of the tree | |
171 | f FILE to read data from | |
172 | buffer contains next input line; further lines read into it | |
173 | buffer_size size of the buffer | |
174 | ||
175 | Returns: FALSE on format error | |
176 | */ | |
177 | ||
178 | static BOOL | |
179 | read_nonrecipients_tree(tree_node **connect, FILE *f, uschar *buffer, | |
180 | int buffer_size) | |
181 | { | |
182 | tree_node *node; | |
183 | int n = Ustrlen(buffer); | |
184 | BOOL right = buffer[1] == 'Y'; | |
185 | ||
186 | if (n < 5) return FALSE; /* malformed line */ | |
187 | buffer[n-1] = 0; /* Remove \n */ | |
d81d33cf | 188 | node = store_get(sizeof(tree_node) + n - 3, TRUE); /* rcpt names tainted */ |
059ec3d9 PH |
189 | *connect = node; |
190 | Ustrcpy(node->name, buffer + 3); | |
191 | node->data.ptr = NULL; | |
192 | ||
193 | if (buffer[0] == 'Y') | |
194 | { | |
195 | if (Ufgets(buffer, buffer_size, f) == NULL || | |
196 | !read_nonrecipients_tree(&node->left, f, buffer, buffer_size)) | |
197 | return FALSE; | |
198 | } | |
199 | else node->left = NULL; | |
200 | ||
201 | if (right) | |
202 | { | |
203 | if (Ufgets(buffer, buffer_size, f) == NULL || | |
204 | !read_nonrecipients_tree(&node->right, f, buffer, buffer_size)) | |
205 | return FALSE; | |
206 | } | |
207 | else node->right = NULL; | |
208 | ||
209 | (void) count_below(*connect); | |
210 | return TRUE; | |
211 | } | |
212 | ||
213 | ||
214 | ||
215 | ||
059ec3d9 PH |
216 | /* Reset all the global variables to their default values. However, there is |
217 | one exception. DO NOT change the default value of dont_deliver, because it may | |
218 | be forced by an external setting. */ | |
219 | ||
4b4856ff JH |
220 | void |
221 | spool_clear_header_globals(void) | |
222 | { | |
38a0a95f | 223 | acl_var_c = acl_var_m = NULL; |
059ec3d9 PH |
224 | authenticated_id = NULL; |
225 | authenticated_sender = NULL; | |
8768d548 JH |
226 | f.allow_unqualified_recipient = FALSE; |
227 | f.allow_unqualified_sender = FALSE; | |
059ec3d9 PH |
228 | body_linecount = 0; |
229 | body_zerocount = 0; | |
8768d548 JH |
230 | f.deliver_firsttime = FALSE; |
231 | f.deliver_freeze = FALSE; | |
059ec3d9 | 232 | deliver_frozen_at = 0; |
8768d548 JH |
233 | f.deliver_manual_thaw = FALSE; |
234 | /* f.dont_deliver must NOT be reset */ | |
059ec3d9 | 235 | header_list = header_last = NULL; |
b08b24c8 | 236 | host_lookup_deferred = FALSE; |
059ec3d9 PH |
237 | host_lookup_failed = FALSE; |
238 | interface_address = NULL; | |
239 | interface_port = 0; | |
8768d548 | 240 | f.local_error_message = FALSE; |
9723f966 | 241 | #ifdef HAVE_LOCAL_SCAN |
059ec3d9 | 242 | local_scan_data = NULL; |
9723f966 | 243 | #endif |
d677b2f2 | 244 | max_received_linelength = 0; |
059ec3d9 PH |
245 | message_linecount = 0; |
246 | received_protocol = NULL; | |
247 | received_count = 0; | |
248 | recipients_list = NULL; | |
249 | sender_address = NULL; | |
250 | sender_fullhost = NULL; | |
251 | sender_helo_name = NULL; | |
252 | sender_host_address = NULL; | |
253 | sender_host_name = NULL; | |
254 | sender_host_port = 0; | |
255 | sender_host_authenticated = NULL; | |
256 | sender_ident = NULL; | |
8768d548 JH |
257 | f.sender_local = FALSE; |
258 | f.sender_set_untrusted = FALSE; | |
1f5b4c3d | 259 | smtp_active_hostname = primary_hostname; |
328c5688 | 260 | #ifndef COMPILE_UTILITY |
8768d548 | 261 | f.spool_file_wireformat = FALSE; |
328c5688 | 262 | #endif |
059ec3d9 PH |
263 | tree_nonrecipients = NULL; |
264 | ||
8523533c TK |
265 | #ifdef EXPERIMENTAL_BRIGHTMAIL |
266 | bmi_run = 0; | |
267 | bmi_verdicts = NULL; | |
268 | #endif | |
269 | ||
80a47a2c | 270 | #ifndef DISABLE_DKIM |
9e5d6b55 | 271 | dkim_signers = NULL; |
8768d548 | 272 | f.dkim_disable_verify = FALSE; |
64b67b65 | 273 | dkim_collect_input = 0; |
f7572e5a TK |
274 | #endif |
275 | ||
01603eec | 276 | #ifndef DISABLE_TLS |
817d9f57 | 277 | tls_in.certificate_verified = FALSE; |
c0635b6d | 278 | # ifdef SUPPORT_DANE |
53a7196b JH |
279 | tls_in.dane_verified = FALSE; |
280 | # endif | |
da40b1ec | 281 | tls_in.ver = tls_in.cipher = NULL; |
790fbb71 JH |
282 | # ifndef COMPILE_UTILITY /* tls support fns not built in */ |
283 | tls_free_cert(&tls_in.ourcert); | |
284 | tls_free_cert(&tls_in.peercert); | |
285 | # endif | |
817d9f57 JH |
286 | tls_in.peerdn = NULL; |
287 | tls_in.sni = NULL; | |
44662487 | 288 | tls_in.ocsp = OCSP_NOT_REQ; |
7be682ca | 289 | #endif |
059ec3d9 | 290 | |
8523533c | 291 | #ifdef WITH_CONTENT_SCAN |
3481c572 JH |
292 | spam_bar = NULL; |
293 | spam_score = NULL; | |
8523533c TK |
294 | spam_score_int = NULL; |
295 | #endif | |
296 | ||
8c5d388a | 297 | #if defined(SUPPORT_I18N) && !defined(COMPILE_UTILITY) |
7ade712c | 298 | message_smtputf8 = FALSE; |
3c8b3577 | 299 | message_utf8_downconvert = 0; |
7ade712c JH |
300 | #endif |
301 | ||
6c1c3d1d WB |
302 | dsn_ret = 0; |
303 | dsn_envid = NULL; | |
4b4856ff JH |
304 | } |
305 | ||
306 | ||
307 | /************************************************* | |
308 | * Read spool header file * | |
309 | *************************************************/ | |
310 | ||
311 | /* This function reads a spool header file and places the data into the | |
312 | appropriate global variables. The header portion is always read, but header | |
313 | structures are built only if read_headers is set true. It isn't, for example, | |
314 | while generating -bp output. | |
315 | ||
316 | It may be possible for blocks of nulls (binary zeroes) to get written on the | |
317 | end of a file if there is a system crash during writing. It was observed on an | |
318 | earlier version of Exim that omitted to fsync() the files - this is thought to | |
319 | have been the cause of that incident, but in any case, this code must be robust | |
320 | against such an event, and if such a file is encountered, it must be treated as | |
321 | malformed. | |
322 | ||
323 | As called from deliver_message() (at least) we are running as root. | |
324 | ||
325 | Arguments: | |
326 | name name of the header file, including the -H | |
327 | read_headers TRUE if in-store header structures are to be built | |
328 | subdir_set TRUE is message_subdir is already set | |
329 | ||
330 | Returns: spool_read_OK success | |
331 | spool_read_notopen open failed | |
332 | spool_read_enverror error in the envelope portion | |
333 | spool_read_hdrerror error in the header portion | |
334 | */ | |
335 | ||
336 | int | |
337 | spool_read_header(uschar *name, BOOL read_headers, BOOL subdir_set) | |
338 | { | |
8768d548 | 339 | FILE * fp = NULL; |
4b4856ff JH |
340 | int n; |
341 | int rcount = 0; | |
342 | long int uid, gid; | |
343 | BOOL inheader = FALSE; | |
4b4856ff JH |
344 | |
345 | /* Reset all the global variables to their default values. However, there is | |
346 | one exception. DO NOT change the default value of dont_deliver, because it may | |
347 | be forced by an external setting. */ | |
348 | ||
349 | spool_clear_header_globals(); | |
6c1c3d1d | 350 | |
059ec3d9 PH |
351 | /* Generate the full name and open the file. If message_subdir is already |
352 | set, just look in the given directory. Otherwise, look in both the split | |
353 | and unsplit directories, as for the data file above. */ | |
354 | ||
d7978c0f | 355 | for (int n = 0; n < 2; n++) |
059ec3d9 PH |
356 | { |
357 | if (!subdir_set) | |
59a93276 | 358 | set_subdir_str(message_subdir, name, n); |
41313d92 | 359 | |
8768d548 | 360 | if ((fp = Ufopen(spool_fname(US"input", message_subdir, name, US""), "rb"))) |
41313d92 JH |
361 | break; |
362 | if (n != 0 || subdir_set || errno != ENOENT) | |
363 | return spool_read_notopen; | |
059ec3d9 PH |
364 | } |
365 | ||
366 | errno = 0; | |
367 | ||
368 | #ifndef COMPILE_UTILITY | |
369 | DEBUG(D_deliver) debug_printf("reading spool file %s\n", name); | |
370 | #endif /* COMPILE_UTILITY */ | |
371 | ||
372 | /* The first line of a spool file contains the message id followed by -H (i.e. | |
373 | the file name), in order to make the file self-identifying. */ | |
374 | ||
8768d548 | 375 | if (Ufgets(big_buffer, big_buffer_size, fp) == NULL) goto SPOOL_READ_ERROR; |
059ec3d9 PH |
376 | if (Ustrlen(big_buffer) != MESSAGE_ID_LENGTH + 3 || |
377 | Ustrncmp(big_buffer, name, MESSAGE_ID_LENGTH + 2) != 0) | |
378 | goto SPOOL_FORMAT_ERROR; | |
379 | ||
380 | /* The next three lines in the header file are in a fixed format. The first | |
381 | contains the login, uid, and gid of the user who caused the file to be written. | |
ebb6e6d5 PH |
382 | There are known cases where a negative gid is used, so we allow for both |
383 | negative uids and gids. The second contains the mail address of the message's | |
384 | sender, enclosed in <>. The third contains the time the message was received, | |
385 | and the number of warning messages for delivery delays that have been sent. */ | |
059ec3d9 | 386 | |
8768d548 | 387 | if (Ufgets(big_buffer, big_buffer_size, fp) == NULL) goto SPOOL_READ_ERROR; |
059ec3d9 | 388 | |
870ce70e JH |
389 | { |
390 | uschar *p = big_buffer + Ustrlen(big_buffer); | |
391 | while (p > big_buffer && isspace(p[-1])) p--; | |
392 | *p = 0; | |
393 | if (!isdigit(p[-1])) goto SPOOL_FORMAT_ERROR; | |
394 | while (p > big_buffer && (isdigit(p[-1]) || '-' == p[-1])) p--; | |
395 | gid = Uatoi(p); | |
396 | if (p <= big_buffer || *(--p) != ' ') goto SPOOL_FORMAT_ERROR; | |
397 | *p = 0; | |
398 | if (!isdigit(p[-1])) goto SPOOL_FORMAT_ERROR; | |
399 | while (p > big_buffer && (isdigit(p[-1]) || '-' == p[-1])) p--; | |
400 | uid = Uatoi(p); | |
401 | if (p <= big_buffer || *(--p) != ' ') goto SPOOL_FORMAT_ERROR; | |
402 | *p = 0; | |
403 | } | |
8e669ac1 | 404 | |
1e70f85b | 405 | originator_login = string_copy(big_buffer); |
059ec3d9 PH |
406 | originator_uid = (uid_t)uid; |
407 | originator_gid = (gid_t)gid; | |
408 | ||
e91ad4a7 | 409 | /* envelope from */ |
8768d548 | 410 | if (Ufgets(big_buffer, big_buffer_size, fp) == NULL) goto SPOOL_READ_ERROR; |
059ec3d9 PH |
411 | n = Ustrlen(big_buffer); |
412 | if (n < 3 || big_buffer[0] != '<' || big_buffer[n-2] != '>') | |
413 | goto SPOOL_FORMAT_ERROR; | |
414 | ||
f3ebb786 | 415 | sender_address = store_get(n-2, TRUE); /* tainted */ |
059ec3d9 PH |
416 | Ustrncpy(sender_address, big_buffer+1, n-3); |
417 | sender_address[n-3] = 0; | |
418 | ||
e91ad4a7 | 419 | /* time */ |
8768d548 | 420 | if (Ufgets(big_buffer, big_buffer_size, fp) == NULL) goto SPOOL_READ_ERROR; |
32dfdf8b | 421 | if (sscanf(CS big_buffer, TIME_T_FMT " %d", &received_time.tv_sec, &warning_count) != 2) |
059ec3d9 | 422 | goto SPOOL_FORMAT_ERROR; |
32dfdf8b | 423 | received_time.tv_usec = 0; |
059ec3d9 | 424 | |
32dfdf8b | 425 | message_age = time(NULL) - received_time.tv_sec; |
44416341 JH |
426 | #ifndef COMPILE_UTILITY |
427 | if (f.running_in_test_harness) | |
428 | message_age = test_harness_fudged_queue_time(message_age); | |
429 | #endif | |
059ec3d9 PH |
430 | |
431 | #ifndef COMPILE_UTILITY | |
432 | DEBUG(D_deliver) debug_printf("user=%s uid=%ld gid=%ld sender=%s\n", | |
433 | originator_login, (long int)originator_uid, (long int)originator_gid, | |
434 | sender_address); | |
44416341 | 435 | #endif |
059ec3d9 | 436 | |
08955dd3 PH |
437 | /* Now there may be a number of optional lines, each starting with "-". If you |
438 | add a new setting here, make sure you set the default above. | |
059ec3d9 | 439 | |
08955dd3 PH |
440 | Because there are now quite a number of different possibilities, we use a |
441 | switch on the first character to avoid too many failing tests. Thanks to Nico | |
442 | Erfurth for the patch that implemented this. I have made it even more efficient | |
443 | by not re-scanning the first two characters. | |
444 | ||
445 | To allow new versions of Exim that add additional flags to interwork with older | |
446 | versions that do not understand them, just ignore any lines starting with "-" | |
447 | that we don't recognize. Otherwise it wouldn't be possible to back off a new | |
f3ebb786 JH |
448 | version that left new-style flags written on the spool. |
449 | ||
450 | If the line starts with "--" the content of the variable is tainted. */ | |
08955dd3 | 451 | |
059ec3d9 PH |
452 | for (;;) |
453 | { | |
e91ad4a7 | 454 | int len; |
f3ebb786 JH |
455 | BOOL tainted; |
456 | uschar * var; | |
fc55624d | 457 | const uschar * p; |
f3ebb786 | 458 | |
8768d548 | 459 | if (Ufgets(big_buffer, big_buffer_size, fp) == NULL) goto SPOOL_READ_ERROR; |
059ec3d9 | 460 | if (big_buffer[0] != '-') break; |
e91ad4a7 JH |
461 | while ( (len = Ustrlen(big_buffer)) == big_buffer_size-1 |
462 | && big_buffer[len-1] != '\n' | |
463 | ) | |
464 | { /* buffer not big enough for line; certs make this possible */ | |
465 | uschar * buf; | |
466 | if (big_buffer_size >= BIG_BUFFER_SIZE*4) goto SPOOL_READ_ERROR; | |
f3ebb786 | 467 | buf = store_get_perm(big_buffer_size *= 2, FALSE); |
e91ad4a7 JH |
468 | memcpy(buf, big_buffer, --len); |
469 | big_buffer = buf; | |
8768d548 | 470 | if (Ufgets(big_buffer+len, big_buffer_size-len, fp) == NULL) |
e91ad4a7 JH |
471 | goto SPOOL_READ_ERROR; |
472 | } | |
473 | big_buffer[len-1] = 0; | |
47ca6d6c | 474 | |
f3ebb786 JH |
475 | tainted = big_buffer[1] == '-'; |
476 | var = big_buffer + (tainted ? 2 : 1); | |
477 | p = var + 1; | |
478 | ||
479 | switch(*var) | |
059ec3d9 | 480 | { |
08955dd3 PH |
481 | case 'a': |
482 | ||
483 | /* Nowadays we use "-aclc" and "-aclm" for the different types of ACL | |
484 | variable, because Exim allows any number of them, with arbitrary names. | |
485 | The line in the spool file is "-acl[cm] <name> <length>". The name excludes | |
486 | the c or m. */ | |
487 | ||
488 | if (Ustrncmp(p, "clc ", 4) == 0 || | |
489 | Ustrncmp(p, "clm ", 4) == 0) | |
490 | { | |
491 | uschar *name, *endptr; | |
492 | int count; | |
493 | tree_node *node; | |
f3ebb786 | 494 | endptr = Ustrchr(var + 5, ' '); |
08955dd3 | 495 | if (endptr == NULL) goto SPOOL_FORMAT_ERROR; |
f3ebb786 JH |
496 | name = string_sprintf("%c%.*s", var[3], |
497 | (int)(endptr - var - 5), var + 5); | |
08955dd3 PH |
498 | if (sscanf(CS endptr, " %d", &count) != 1) goto SPOOL_FORMAT_ERROR; |
499 | node = acl_var_create(name); | |
f3ebb786 | 500 | node->data.ptr = store_get(count + 1, tainted); |
8768d548 | 501 | if (fread(node->data.ptr, 1, count+1, fp) < count) goto SPOOL_READ_ERROR; |
08955dd3 PH |
502 | ((uschar*)node->data.ptr)[count] = 0; |
503 | } | |
504 | ||
505 | else if (Ustrcmp(p, "llow_unqualified_recipient") == 0) | |
8768d548 | 506 | f.allow_unqualified_recipient = TRUE; |
08955dd3 | 507 | else if (Ustrcmp(p, "llow_unqualified_sender") == 0) |
8768d548 | 508 | f.allow_unqualified_sender = TRUE; |
08955dd3 PH |
509 | |
510 | else if (Ustrncmp(p, "uth_id", 6) == 0) | |
f3ebb786 | 511 | authenticated_id = string_copy_taint(var + 8, tainted); |
08955dd3 | 512 | else if (Ustrncmp(p, "uth_sender", 10) == 0) |
f3ebb786 | 513 | authenticated_sender = string_copy_taint(var + 12, tainted); |
08955dd3 | 514 | else if (Ustrncmp(p, "ctive_hostname", 14) == 0) |
f3ebb786 | 515 | smtp_active_hostname = string_copy_taint(var + 16, tainted); |
08955dd3 PH |
516 | |
517 | /* For long-term backward compatibility, we recognize "-acl", which was | |
518 | used before the number of ACL variables changed from 10 to 20. This was | |
519 | before the subsequent change to an arbitrary number of named variables. | |
520 | This code is retained so that upgrades from very old versions can still | |
521 | handle old-format spool files. The value given after "-acl" is a number | |
522 | that is 0-9 for connection variables, and 10-19 for message variables. */ | |
523 | ||
524 | else if (Ustrncmp(p, "cl ", 3) == 0) | |
525 | { | |
4dc2379a JH |
526 | unsigned index, count; |
527 | uschar name[20]; /* Need plenty of space for %u format */ | |
528 | tree_node * node; | |
f3ebb786 | 529 | if ( sscanf(CS var + 4, "%u %u", &index, &count) != 2 |
806c3df9 | 530 | || index >= 20 |
f267271d | 531 | || count > 16384 /* arbitrary limit on variable size */ |
806c3df9 | 532 | ) |
08955dd3 | 533 | goto SPOOL_FORMAT_ERROR; |
8dce1a6f | 534 | if (index < 10) |
4dc2379a | 535 | (void) string_format(name, sizeof(name), "%c%u", 'c', index); |
806c3df9 | 536 | else |
4dc2379a | 537 | (void) string_format(name, sizeof(name), "%c%u", 'm', index - 10); |
08955dd3 | 538 | node = acl_var_create(name); |
f3ebb786 | 539 | node->data.ptr = store_get(count + 1, tainted); |
f267271d JH |
540 | /* We sanity-checked the count, so disable the Coverity error */ |
541 | /* coverity[tainted_data] */ | |
8768d548 | 542 | if (fread(node->data.ptr, 1, count+1, fp) < count) goto SPOOL_READ_ERROR; |
4dc2379a | 543 | (US node->data.ptr)[count] = '\0'; |
08955dd3 PH |
544 | } |
545 | break; | |
546 | ||
547 | case 'b': | |
548 | if (Ustrncmp(p, "ody_linecount", 13) == 0) | |
f3ebb786 | 549 | body_linecount = Uatoi(var + 14); |
08955dd3 | 550 | else if (Ustrncmp(p, "ody_zerocount", 13) == 0) |
f3ebb786 | 551 | body_zerocount = Uatoi(var + 14); |
e91ad4a7 | 552 | #ifdef EXPERIMENTAL_BRIGHTMAIL |
08955dd3 | 553 | else if (Ustrncmp(p, "mi_verdicts ", 12) == 0) |
f3ebb786 | 554 | bmi_verdicts = string_copy_taint(var + 13, tainted); |
e91ad4a7 | 555 | #endif |
08955dd3 PH |
556 | break; |
557 | ||
558 | case 'd': | |
559 | if (Ustrcmp(p, "eliver_firsttime") == 0) | |
8768d548 | 560 | f.deliver_firsttime = TRUE; |
6c1c3d1d WB |
561 | /* Check if the dsn flags have been set in the header file */ |
562 | else if (Ustrncmp(p, "sn_ret", 6) == 0) | |
f3ebb786 | 563 | dsn_ret= atoi(CS var + 7); |
6c1c3d1d | 564 | else if (Ustrncmp(p, "sn_envid", 8) == 0) |
f3ebb786 | 565 | dsn_envid = string_copy_taint(var + 10, tainted); |
08955dd3 PH |
566 | break; |
567 | ||
568 | case 'f': | |
569 | if (Ustrncmp(p, "rozen", 5) == 0) | |
570 | { | |
8768d548 | 571 | f.deliver_freeze = TRUE; |
f3ebb786 | 572 | if (sscanf(CS var+6, TIME_T_FMT, &deliver_frozen_at) != 1) |
dc8091e7 | 573 | goto SPOOL_READ_ERROR; |
08955dd3 PH |
574 | } |
575 | break; | |
576 | ||
577 | case 'h': | |
578 | if (Ustrcmp(p, "ost_lookup_deferred") == 0) | |
579 | host_lookup_deferred = TRUE; | |
580 | else if (Ustrcmp(p, "ost_lookup_failed") == 0) | |
581 | host_lookup_failed = TRUE; | |
582 | else if (Ustrncmp(p, "ost_auth", 8) == 0) | |
f3ebb786 | 583 | sender_host_authenticated = string_copy_taint(var + 10, tainted); |
08955dd3 | 584 | else if (Ustrncmp(p, "ost_name", 8) == 0) |
f3ebb786 | 585 | sender_host_name = string_copy_taint(var + 10, tainted); |
08955dd3 | 586 | else if (Ustrncmp(p, "elo_name", 8) == 0) |
f3ebb786 | 587 | sender_helo_name = string_copy_taint(var + 10, tainted); |
08955dd3 PH |
588 | |
589 | /* We now record the port number after the address, separated by a | |
590 | dot. For compatibility during upgrading, do nothing if there | |
591 | isn't a value (it gets left at zero). */ | |
592 | ||
593 | else if (Ustrncmp(p, "ost_address", 11) == 0) | |
594 | { | |
f3ebb786 JH |
595 | sender_host_port = host_address_extract_port(var + 13); |
596 | sender_host_address = string_copy_taint(var + 13, tainted); | |
08955dd3 PH |
597 | } |
598 | break; | |
599 | ||
600 | case 'i': | |
601 | if (Ustrncmp(p, "nterface_address", 16) == 0) | |
602 | { | |
f3ebb786 JH |
603 | interface_port = host_address_extract_port(var + 18); |
604 | interface_address = string_copy_taint(var + 18, tainted); | |
08955dd3 PH |
605 | } |
606 | else if (Ustrncmp(p, "dent", 4) == 0) | |
f3ebb786 | 607 | sender_ident = string_copy_taint(var + 6, tainted); |
08955dd3 PH |
608 | break; |
609 | ||
610 | case 'l': | |
32dfdf8b | 611 | if (Ustrcmp(p, "ocal") == 0) |
8768d548 | 612 | f.sender_local = TRUE; |
f3ebb786 | 613 | else if (Ustrcmp(var, "localerror") == 0) |
8768d548 | 614 | f.local_error_message = TRUE; |
9723f966 | 615 | #ifdef HAVE_LOCAL_SCAN |
08955dd3 | 616 | else if (Ustrncmp(p, "ocal_scan ", 10) == 0) |
f3ebb786 | 617 | local_scan_data = string_copy_taint(var + 11, tainted); |
9723f966 | 618 | #endif |
08955dd3 PH |
619 | break; |
620 | ||
621 | case 'm': | |
f3ebb786 JH |
622 | if (Ustrcmp(p, "anual_thaw") == 0) |
623 | f.deliver_manual_thaw = TRUE; | |
d677b2f2 | 624 | else if (Ustrncmp(p, "ax_received_linelength", 22) == 0) |
f3ebb786 | 625 | max_received_linelength = Uatoi(var + 23); |
08955dd3 PH |
626 | break; |
627 | ||
628 | case 'N': | |
8768d548 | 629 | if (*p == 0) f.dont_deliver = TRUE; /* -N */ |
08955dd3 PH |
630 | break; |
631 | ||
632 | case 'r': | |
633 | if (Ustrncmp(p, "eceived_protocol", 16) == 0) | |
f3ebb786 | 634 | received_protocol = string_copy_taint(var + 18, tainted); |
32dfdf8b JH |
635 | else if (Ustrncmp(p, "eceived_time_usec", 17) == 0) |
636 | { | |
637 | unsigned usec; | |
f3ebb786 | 638 | if (sscanf(CS var + 20, "%u", &usec) == 1) |
32dfdf8b JH |
639 | received_time.tv_usec = usec; |
640 | } | |
08955dd3 PH |
641 | break; |
642 | ||
643 | case 's': | |
644 | if (Ustrncmp(p, "ender_set_untrusted", 19) == 0) | |
8768d548 | 645 | f.sender_set_untrusted = TRUE; |
e91ad4a7 | 646 | #ifdef WITH_CONTENT_SCAN |
3481c572 | 647 | else if (Ustrncmp(p, "pam_bar ", 8) == 0) |
f3ebb786 | 648 | spam_bar = string_copy_taint(var + 9, tainted); |
3481c572 | 649 | else if (Ustrncmp(p, "pam_score ", 10) == 0) |
f3ebb786 | 650 | spam_score = string_copy_taint(var + 11, tainted); |
08955dd3 | 651 | else if (Ustrncmp(p, "pam_score_int ", 14) == 0) |
f3ebb786 | 652 | spam_score_int = string_copy_taint(var + 15, tainted); |
e91ad4a7 | 653 | #endif |
328c5688 JH |
654 | #ifndef COMPILE_UTILITY |
655 | else if (Ustrncmp(p, "pool_file_wireformat", 20) == 0) | |
8768d548 | 656 | f.spool_file_wireformat = TRUE; |
328c5688 | 657 | #endif |
8c5d388a | 658 | #if defined(SUPPORT_I18N) && !defined(COMPILE_UTILITY) |
7ade712c JH |
659 | else if (Ustrncmp(p, "mtputf8", 7) == 0) |
660 | message_smtputf8 = TRUE; | |
661 | #endif | |
08955dd3 PH |
662 | break; |
663 | ||
01603eec | 664 | #ifndef DISABLE_TLS |
08955dd3 | 665 | case 't': |
8ac90765 JH |
666 | if (Ustrncmp(p, "ls_", 3) == 0) |
667 | { | |
fc55624d | 668 | const uschar * q = p + 3; |
8ac90765 JH |
669 | if (Ustrncmp(q, "certificate_verified", 20) == 0) |
670 | tls_in.certificate_verified = TRUE; | |
671 | else if (Ustrncmp(q, "cipher", 6) == 0) | |
da40b1ec | 672 | tls_in.cipher = string_copy_taint(q+7, tainted); |
e91ad4a7 | 673 | # ifndef COMPILE_UTILITY /* tls support fns not built in */ |
8ac90765 | 674 | else if (Ustrncmp(q, "ourcert", 7) == 0) |
da40b1ec | 675 | (void) tls_import_cert(q+8, &tls_in.ourcert); |
8ac90765 | 676 | else if (Ustrncmp(q, "peercert", 8) == 0) |
da40b1ec | 677 | (void) tls_import_cert(q+9, &tls_in.peercert); |
e91ad4a7 | 678 | # endif |
8ac90765 | 679 | else if (Ustrncmp(q, "peerdn", 6) == 0) |
da40b1ec | 680 | tls_in.peerdn = string_unprinting(string_copy_taint(q+7, tainted)); |
8ac90765 | 681 | else if (Ustrncmp(q, "sni", 3) == 0) |
da40b1ec | 682 | tls_in.sni = string_unprinting(string_copy_taint(q+4, tainted)); |
8ac90765 | 683 | else if (Ustrncmp(q, "ocsp", 4) == 0) |
da40b1ec | 684 | tls_in.ocsp = q[5] - '0'; |
b10c87b3 JH |
685 | # ifdef EXPERIMENTAL_TLS_RESUME |
686 | else if (Ustrncmp(q, "resumption", 10) == 0) | |
da40b1ec | 687 | tls_in.resumption = q[11] - 'A'; |
b10c87b3 | 688 | # endif |
da40b1ec JH |
689 | else if (Ustrncmp(q, "ver", 3) == 0) |
690 | tls_in.ver = string_copy_taint(q+4, tainted); | |
8ac90765 | 691 | } |
08955dd3 | 692 | break; |
e91ad4a7 | 693 | #endif |
08955dd3 | 694 | |
8c5d388a | 695 | #if defined(SUPPORT_I18N) && !defined(COMPILE_UTILITY) |
3c8b3577 JH |
696 | case 'u': |
697 | if (Ustrncmp(p, "tf8_downcvt", 11) == 0) | |
698 | message_utf8_downconvert = 1; | |
0ec7e948 | 699 | else if (Ustrncmp(p, "tf8_optdowncvt", 15) == 0) |
3c8b3577 JH |
700 | message_utf8_downconvert = -1; |
701 | break; | |
702 | #endif | |
703 | ||
08955dd3 PH |
704 | default: /* Present because some compilers complain if all */ |
705 | break; /* possibilities are not covered. */ | |
059ec3d9 | 706 | } |
059ec3d9 PH |
707 | } |
708 | ||
709 | /* Build sender_fullhost if required */ | |
710 | ||
711 | #ifndef COMPILE_UTILITY | |
712 | host_build_sender_fullhost(); | |
713 | #endif /* COMPILE_UTILITY */ | |
714 | ||
715 | #ifndef COMPILE_UTILITY | |
716 | DEBUG(D_deliver) | |
8768d548 | 717 | debug_printf("sender_local=%d ident=%s\n", f.sender_local, |
d81d33cf | 718 | sender_ident ? sender_ident : US"unset"); |
059ec3d9 PH |
719 | #endif /* COMPILE_UTILITY */ |
720 | ||
721 | /* We now have the tree of addresses NOT to deliver to, or a line | |
722 | containing "XX", indicating no tree. */ | |
723 | ||
724 | if (Ustrncmp(big_buffer, "XX\n", 3) != 0 && | |
8768d548 | 725 | !read_nonrecipients_tree(&tree_nonrecipients, fp, big_buffer, big_buffer_size)) |
059ec3d9 PH |
726 | goto SPOOL_FORMAT_ERROR; |
727 | ||
728 | #ifndef COMPILE_UTILITY | |
729 | DEBUG(D_deliver) | |
730 | { | |
731 | debug_printf("Non-recipients:\n"); | |
732 | debug_print_tree(tree_nonrecipients); | |
733 | } | |
734 | #endif /* COMPILE_UTILITY */ | |
735 | ||
736 | /* After reading the tree, the next line has not yet been read into the | |
d88f0784 JH |
737 | buffer. It contains the count of recipients which follow on separate lines. |
738 | Apply an arbitrary sanity check.*/ | |
059ec3d9 | 739 | |
8768d548 | 740 | if (Ufgets(big_buffer, big_buffer_size, fp) == NULL) goto SPOOL_READ_ERROR; |
d88f0784 JH |
741 | if (sscanf(CS big_buffer, "%d", &rcount) != 1 || rcount > 16384) |
742 | goto SPOOL_FORMAT_ERROR; | |
059ec3d9 PH |
743 | |
744 | #ifndef COMPILE_UTILITY | |
745 | DEBUG(D_deliver) debug_printf("recipients_count=%d\n", rcount); | |
746 | #endif /* COMPILE_UTILITY */ | |
747 | ||
748 | recipients_list_max = rcount; | |
f3ebb786 | 749 | recipients_list = store_get(rcount * sizeof(recipient_item), FALSE); |
059ec3d9 | 750 | |
d88f0784 JH |
751 | /* We sanitised the count and know we have enough memory, so disable |
752 | the Coverity error on recipients_count */ | |
753 | /* coverity[tainted_data] */ | |
754 | ||
059ec3d9 PH |
755 | for (recipients_count = 0; recipients_count < rcount; recipients_count++) |
756 | { | |
757 | int nn; | |
758 | int pno = -1; | |
6c1c3d1d WB |
759 | int dsn_flags = 0; |
760 | uschar *orcpt = NULL; | |
059ec3d9 PH |
761 | uschar *errors_to = NULL; |
762 | uschar *p; | |
763 | ||
8768d548 | 764 | if (Ufgets(big_buffer, big_buffer_size, fp) == NULL) goto SPOOL_READ_ERROR; |
059ec3d9 PH |
765 | nn = Ustrlen(big_buffer); |
766 | if (nn < 2) goto SPOOL_FORMAT_ERROR; | |
767 | ||
768 | /* Remove the newline; this terminates the address if there is no additional | |
769 | data on the line. */ | |
770 | ||
771 | p = big_buffer + nn - 1; | |
772 | *p-- = 0; | |
773 | ||
774 | /* Look back from the end of the line for digits and special terminators. | |
775 | Since an address must end with a domain, we can tell that extra data is | |
776 | present by the presence of the terminator, which is always some character | |
777 | that cannot exist in a domain. (If I'd thought of the need for additional | |
778 | data early on, I'd have put it at the start, with the address at the end. As | |
779 | it is, we have to operate backwards. Addresses are permitted to contain | |
780 | spaces, you see.) | |
781 | ||
782 | This code has to cope with various versions of this data that have evolved | |
783 | over time. In all cases, the line might just contain an address, with no | |
784 | additional data. Otherwise, the possibilities are as follows: | |
785 | ||
786 | Exim 3 type: <address><space><digits>,<digits>,<digits> | |
787 | ||
788 | The second set of digits is the parent number for one_time addresses. The | |
789 | other values were remnants of earlier experiments that were abandoned. | |
790 | ||
791 | Exim 4 first type: <address><space><digits> | |
792 | ||
793 | The digits are the parent number for one_time addresses. | |
794 | ||
795 | Exim 4 new type: <address><space><data>#<type bits> | |
796 | ||
797 | The type bits indicate what the contents of the data are. | |
798 | ||
799 | Bit 01 indicates that, reading from right to left, the data | |
800 | ends with <errors_to address><space><len>,<pno> where pno is | |
801 | the parent number for one_time addresses, and len is the length | |
802 | of the errors_to address (zero meaning none). | |
6c1c3d1d WB |
803 | |
804 | Bit 02 indicates that, again reading from right to left, the data continues | |
805 | with orcpt len(orcpt),dsn_flags | |
059ec3d9 PH |
806 | */ |
807 | ||
808 | while (isdigit(*p)) p--; | |
809 | ||
810 | /* Handle Exim 3 spool files */ | |
811 | ||
812 | if (*p == ',') | |
813 | { | |
814 | int dummy; | |
f3ebb786 JH |
815 | #if !defined (COMPILE_UTILITY) |
816 | DEBUG(D_deliver) debug_printf("**** SPOOL_IN - Exim 3 spool file\n"); | |
817 | #endif | |
059ec3d9 PH |
818 | while (isdigit(*(--p)) || *p == ','); |
819 | if (*p == ' ') | |
820 | { | |
821 | *p++ = 0; | |
ff790e47 | 822 | (void)sscanf(CS p, "%d,%d", &dummy, &pno); |
059ec3d9 PH |
823 | } |
824 | } | |
825 | ||
826 | /* Handle early Exim 4 spool files */ | |
827 | ||
828 | else if (*p == ' ') | |
829 | { | |
f3ebb786 JH |
830 | #if !defined (COMPILE_UTILITY) |
831 | DEBUG(D_deliver) debug_printf("**** SPOOL_IN - early Exim 4 spool file\n"); | |
832 | #endif | |
059ec3d9 | 833 | *p++ = 0; |
ff790e47 | 834 | (void)sscanf(CS p, "%d", &pno); |
059ec3d9 PH |
835 | } |
836 | ||
837 | /* Handle current format Exim 4 spool files */ | |
838 | ||
839 | else if (*p == '#') | |
840 | { | |
841 | int flags; | |
6c1c3d1d | 842 | |
50dc7409 | 843 | #if !defined (COMPILE_UTILITY) |
df98a6ff | 844 | DEBUG(D_deliver) debug_printf("**** SPOOL_IN - Exim standard format spoolfile\n"); |
e91ad4a7 | 845 | #endif |
6c1c3d1d | 846 | |
ff790e47 | 847 | (void)sscanf(CS p+1, "%d", &flags); |
059ec3d9 PH |
848 | |
849 | if ((flags & 0x01) != 0) /* one_time data exists */ | |
850 | { | |
851 | int len; | |
852 | while (isdigit(*(--p)) || *p == ',' || *p == '-'); | |
ff790e47 | 853 | (void)sscanf(CS p+1, "%d,%d", &len, &pno); |
059ec3d9 PH |
854 | *p = 0; |
855 | if (len > 0) | |
856 | { | |
857 | p -= len; | |
f3ebb786 | 858 | errors_to = string_copy_taint(p, TRUE); |
94431adb | 859 | } |
6c1c3d1d WB |
860 | } |
861 | ||
862 | *(--p) = 0; /* Terminate address */ | |
6c1c3d1d WB |
863 | if ((flags & 0x02) != 0) /* one_time data exists */ |
864 | { | |
865 | int len; | |
866 | while (isdigit(*(--p)) || *p == ',' || *p == '-'); | |
867 | (void)sscanf(CS p+1, "%d,%d", &len, &dsn_flags); | |
868 | *p = 0; | |
869 | if (len > 0) | |
870 | { | |
871 | p -= len; | |
f3ebb786 | 872 | orcpt = string_copy_taint(p, TRUE); |
94431adb | 873 | } |
059ec3d9 PH |
874 | } |
875 | ||
876 | *(--p) = 0; /* Terminate address */ | |
6c1c3d1d | 877 | } |
50dc7409 | 878 | #if !defined(COMPILE_UTILITY) |
6c1c3d1d | 879 | else |
e91ad4a7 | 880 | { DEBUG(D_deliver) debug_printf("**** SPOOL_IN - No additional fields\n"); } |
6c1c3d1d | 881 | |
df98a6ff JH |
882 | if (orcpt || dsn_flags) |
883 | DEBUG(D_deliver) debug_printf("**** SPOOL_IN - address: <%s> orcpt: <%s> dsn_flags: 0x%x\n", | |
6c1c3d1d | 884 | big_buffer, orcpt, dsn_flags); |
df98a6ff JH |
885 | if (errors_to) |
886 | DEBUG(D_deliver) debug_printf("**** SPOOL_IN - address: <%s> errorsto: <%s>\n", | |
6c1c3d1d | 887 | big_buffer, errors_to); |
50dc7409 | 888 | #endif |
059ec3d9 | 889 | |
f3ebb786 | 890 | recipients_list[recipients_count].address = string_copy_taint(big_buffer, TRUE); |
059ec3d9 PH |
891 | recipients_list[recipients_count].pno = pno; |
892 | recipients_list[recipients_count].errors_to = errors_to; | |
6c1c3d1d WB |
893 | recipients_list[recipients_count].orcpt = orcpt; |
894 | recipients_list[recipients_count].dsn_flags = dsn_flags; | |
059ec3d9 PH |
895 | } |
896 | ||
897 | /* The remainder of the spool header file contains the headers for the message, | |
898 | separated off from the previous data by a blank line. Each header is preceded | |
899 | by a count of its length and either a certain letter (for various identified | |
900 | headers), space (for a miscellaneous live header) or an asterisk (for a header | |
901 | that has been rewritten). Count the Received: headers. We read the headers | |
902 | always, in order to check on the format of the file, but only create a header | |
903 | list if requested to do so. */ | |
904 | ||
905 | inheader = TRUE; | |
8768d548 | 906 | if (Ufgets(big_buffer, big_buffer_size, fp) == NULL) goto SPOOL_READ_ERROR; |
059ec3d9 PH |
907 | if (big_buffer[0] != '\n') goto SPOOL_FORMAT_ERROR; |
908 | ||
8768d548 | 909 | while ((n = fgetc(fp)) != EOF) |
059ec3d9 PH |
910 | { |
911 | header_line *h; | |
912 | uschar flag[4]; | |
913 | int i; | |
914 | ||
915 | if (!isdigit(n)) goto SPOOL_FORMAT_ERROR; | |
8768d548 | 916 | if(ungetc(n, fp) == EOF || fscanf(fp, "%d%c ", &n, flag) == EOF) |
1ac6b2e7 | 917 | goto SPOOL_READ_ERROR; |
059ec3d9 PH |
918 | if (flag[0] != '*') message_size += n; /* Omit non-transmitted headers */ |
919 | ||
920 | if (read_headers) | |
921 | { | |
f3ebb786 | 922 | h = store_get(sizeof(header_line), FALSE); |
059ec3d9 PH |
923 | h->next = NULL; |
924 | h->type = flag[0]; | |
925 | h->slen = n; | |
f3ebb786 | 926 | h->text = store_get(n+1, TRUE); /* tainted */ |
059ec3d9 PH |
927 | |
928 | if (h->type == htype_received) received_count++; | |
929 | ||
d81d33cf JH |
930 | if (header_list) header_last->next = h; |
931 | else header_list = h; | |
059ec3d9 PH |
932 | header_last = h; |
933 | ||
934 | for (i = 0; i < n; i++) | |
935 | { | |
8768d548 | 936 | int c = fgetc(fp); |
059ec3d9 PH |
937 | if (c == 0 || c == EOF) goto SPOOL_FORMAT_ERROR; |
938 | if (c == '\n' && h->type != htype_old) message_linecount++; | |
939 | h->text[i] = c; | |
940 | } | |
941 | h->text[i] = 0; | |
942 | } | |
943 | ||
944 | /* Not requiring header data, just skip through the bytes */ | |
945 | ||
946 | else for (i = 0; i < n; i++) | |
947 | { | |
8768d548 | 948 | int c = fgetc(fp); |
059ec3d9 PH |
949 | if (c == 0 || c == EOF) goto SPOOL_FORMAT_ERROR; |
950 | } | |
951 | } | |
952 | ||
953 | /* We have successfully read the data in the header file. Update the message | |
954 | line count by adding the body linecount to the header linecount. Close the file | |
955 | and give a positive response. */ | |
956 | ||
957 | #ifndef COMPILE_UTILITY | |
958 | DEBUG(D_deliver) debug_printf("body_linecount=%d message_linecount=%d\n", | |
959 | body_linecount, message_linecount); | |
960 | #endif /* COMPILE_UTILITY */ | |
961 | ||
962 | message_linecount += body_linecount; | |
963 | ||
8768d548 | 964 | fclose(fp); |
059ec3d9 PH |
965 | return spool_read_OK; |
966 | ||
967 | ||
968 | /* There was an error reading the spool or there was missing data, | |
969 | or there was a format error. A "read error" with no errno means an | |
970 | unexpected EOF, which we treat as a format error. */ | |
971 | ||
972 | SPOOL_READ_ERROR: | |
973 | if (errno != 0) | |
974 | { | |
975 | n = errno; | |
976 | ||
e91ad4a7 | 977 | #ifndef COMPILE_UTILITY |
059ec3d9 | 978 | DEBUG(D_any) debug_printf("Error while reading spool file %s\n", name); |
e91ad4a7 | 979 | #endif /* COMPILE_UTILITY */ |
059ec3d9 | 980 | |
8768d548 | 981 | fclose(fp); |
059ec3d9 | 982 | errno = n; |
d81d33cf | 983 | return inheader ? spool_read_hdrerror : spool_read_enverror; |
059ec3d9 PH |
984 | } |
985 | ||
986 | SPOOL_FORMAT_ERROR: | |
987 | ||
988 | #ifndef COMPILE_UTILITY | |
989 | DEBUG(D_any) debug_printf("Format error in spool file %s\n", name); | |
990 | #endif /* COMPILE_UTILITY */ | |
991 | ||
8768d548 | 992 | fclose(fp); |
059ec3d9 PH |
993 | errno = ERRNO_SPOOLFORMAT; |
994 | return inheader? spool_read_hdrerror : spool_read_enverror; | |
995 | } | |
996 | ||
9d1c15ef JH |
997 | /* vi: aw ai sw=2 |
998 | */ | |
059ec3d9 | 999 | /* End of spool_in.c */ |