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Fix issues with unchanged_attrs() for symlinks.
[rsync/qnx.git] / log.c
blob46161fe1e6d2afc03deaffa2ee579197c24ea4e9
1 /*
2 * Logging and utility functions.
3 *
4 * Copyright (C) 1998-2001 Andrew Tridgell <tridge@samba.org>
5 * Copyright (C) 2000-2001 Martin Pool <mbp@samba.org>
6 * Copyright (C) 2003-2009 Wayne Davison
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 3 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License along
19 * with this program; if not, visit the http://fsf.org website.
20 */
21
22 #include "rsync.h"
23 #include "ifuncs.h"
24
25 extern int verbose;
26 extern int dry_run;
27 extern int am_daemon;
28 extern int am_server;
29 extern int am_sender;
30 extern int am_generator;
31 extern int local_server;
32 extern int quiet;
33 extern int module_id;
34 extern int msg_fd_out;
35 extern int allow_8bit_chars;
36 extern int protocol_version;
37 extern int preserve_times;
38 extern int progress_is_active;
39 extern int stdout_format_has_i;
40 extern int stdout_format_has_o_or_i;
41 extern int logfile_format_has_i;
42 extern int logfile_format_has_o_or_i;
43 extern int receiver_symlink_times;
44 extern mode_t orig_umask;
45 extern char *auth_user;
46 extern char *stdout_format;
47 extern char *logfile_format;
48 extern char *logfile_name;
49 #ifdef ICONV_CONST
50 extern iconv_t ic_chck;
51 #endif
52 #ifdef ICONV_OPTION
53 extern iconv_t ic_recv;
54 #endif
55 extern char curr_dir[MAXPATHLEN];
56 extern char *full_module_path;
57 extern unsigned int module_dirlen;
58
59 static int log_initialised;
60 static int logfile_was_closed;
61 static FILE *logfile_fp;
62 struct stats stats;
63
64 int got_xfer_error = 0;
65
66 struct {
67 int code;
68 char const *name;
69 } const rerr_names[] = {
70 { RERR_SYNTAX , "syntax or usage error" },
71 { RERR_PROTOCOL , "protocol incompatibility" },
72 { RERR_FILESELECT , "errors selecting input/output files, dirs" },
73 { RERR_UNSUPPORTED, "requested action not supported" },
74 { RERR_STARTCLIENT, "error starting client-server protocol" },
75 { RERR_SOCKETIO , "error in socket IO" },
76 { RERR_FILEIO , "error in file IO" },
77 { RERR_STREAMIO , "error in rsync protocol data stream" },
78 { RERR_MESSAGEIO , "errors with program diagnostics" },
79 { RERR_IPC , "error in IPC code" },
80 { RERR_CRASHED , "sibling process crashed" },
81 { RERR_TERMINATED , "sibling process terminated abnormally" },
82 { RERR_SIGNAL1 , "received SIGUSR1" },
83 { RERR_SIGNAL , "received SIGINT, SIGTERM, or SIGHUP" },
84 { RERR_WAITCHILD , "waitpid() failed" },
85 { RERR_MALLOC , "error allocating core memory buffers" },
86 { RERR_PARTIAL , "some files/attrs were not transferred (see previous errors)" },
87 { RERR_VANISHED , "some files vanished before they could be transferred" },
88 { RERR_TIMEOUT , "timeout in data send/receive" },
89 { RERR_CONTIMEOUT , "timeout waiting for daemon connection" },
90 { RERR_CMD_FAILED , "remote shell failed" },
91 { RERR_CMD_KILLED , "remote shell killed" },
92 { RERR_CMD_RUN , "remote command could not be run" },
93 { RERR_CMD_NOTFOUND,"remote command not found" },
94 { RERR_DEL_LIMIT , "the --max-delete limit stopped deletions" },
95 { 0, NULL }
96 };
97
98 /*
99 * Map from rsync error code to name, or return NULL.
100 */
101 static char const *rerr_name(int code)
102 {
103 int i;
104 for (i = 0; rerr_names[i].name; i++) {
105 if (rerr_names[i].code == code)
106 return rerr_names[i].name;
107 }
108 return NULL;
109 }
110
111 static void logit(int priority, const char *buf)
112 {
113 if (logfile_was_closed)
114 logfile_reopen();
115 if (logfile_fp) {
116 fprintf(logfile_fp, "%s [%d] %s",
117 timestring(time(NULL)), (int)getpid(), buf);
118 fflush(logfile_fp);
119 } else {
120 syslog(priority, "%s", buf);
121 }
122 }
123
124 static void syslog_init()
125 {
126 static int been_here = 0;
127 int options = LOG_PID;
128
129 if (been_here)
130 return;
131 been_here = 1;
132
133 #ifdef LOG_NDELAY
134 options |= LOG_NDELAY;
135 #endif
136
137 #ifdef LOG_DAEMON
138 openlog("rsyncd", options, lp_syslog_facility(module_id));
139 #else
140 openlog("rsyncd", options);
141 #endif
142
143 #ifndef LOG_NDELAY
144 logit(LOG_INFO, "rsyncd started\n");
145 #endif
146 }
147
148 static void logfile_open(void)
149 {
150 mode_t old_umask = umask(022 | orig_umask);
151 logfile_fp = fopen(logfile_name, "a");
152 umask(old_umask);
153 if (!logfile_fp) {
154 int fopen_errno = errno;
155 /* Rsync falls back to using syslog on failure. */
156 syslog_init();
157 rsyserr(FERROR, fopen_errno,
158 "failed to open log-file %s", logfile_name);
159 rprintf(FINFO, "Ignoring \"log file\" setting.\n");
160 }
161 }
162
163 void log_init(int restart)
164 {
165 if (log_initialised) {
166 if (!restart)
167 return;
168 if (strcmp(logfile_name, lp_log_file(module_id)) != 0) {
169 if (logfile_fp) {
170 fclose(logfile_fp);
171 logfile_fp = NULL;
172 } else
173 closelog();
174 logfile_name = NULL;
175 } else if (*logfile_name)
176 return; /* unchanged, non-empty "log file" names */
177 else if (lp_syslog_facility(-1) != lp_syslog_facility(module_id))
178 closelog();
179 else
180 return; /* unchanged syslog settings */
181 } else
182 log_initialised = 1;
183
184 /* This looks pointless, but it is needed in order for the
185 * C library on some systems to fetch the timezone info
186 * before the chroot. */
187 timestring(time(NULL));
188
189 /* Optionally use a log file instead of syslog. (Non-daemon
190 * rsyncs will have already set logfile_name, as needed.) */
191 if (am_daemon && !logfile_name)
192 logfile_name = lp_log_file(module_id);
193 if (logfile_name && *logfile_name)
194 logfile_open();
195 else
196 syslog_init();
197 }
198
199 void logfile_close(void)
200 {
201 if (logfile_fp) {
202 logfile_was_closed = 1;
203 fclose(logfile_fp);
204 logfile_fp = NULL;
205 }
206 }
207
208 void logfile_reopen(void)
209 {
210 if (logfile_was_closed) {
211 logfile_was_closed = 0;
212 logfile_open();
213 }
214 }
215
216 static void filtered_fwrite(FILE *f, const char *buf, int len, int use_isprint)
217 {
218 const char *s, *end = buf + len;
219 for (s = buf; s < end; s++) {
220 if ((s < end - 4
221 && *s == '\\' && s[1] == '#'
222 && isDigit(s + 2)
223 && isDigit(s + 3)
224 && isDigit(s + 4))
225 || (*s != '\t'
226 && ((use_isprint && !isPrint(s))
227 || *(uchar*)s < ' '))) {
228 if (s != buf && fwrite(buf, s - buf, 1, f) != 1)
229 exit_cleanup(RERR_MESSAGEIO);
230 fprintf(f, "\\#%03o", *(uchar*)s);
231 buf = s + 1;
232 }
233 }
234 if (buf != end && fwrite(buf, end - buf, 1, f) != 1)
235 exit_cleanup(RERR_MESSAGEIO);
236 }
237
238 /* this is the underlying (unformatted) rsync debugging function. Call
239 * it with FINFO, FERROR_*, FWARNING, FLOG, or FCLIENT. Note: recursion
240 * can happen with certain fatal conditions. */
241 void rwrite(enum logcode code, const char *buf, int len, int is_utf8)
242 {
243 int trailing_CR_or_NL;
244 FILE *f = NULL;
245 #ifdef ICONV_OPTION
246 iconv_t ic = is_utf8 && ic_recv != (iconv_t)-1 ? ic_recv : ic_chck;
247 #else
248 #ifdef ICONV_CONST
249 iconv_t ic = ic_chck;
250 #endif
251 #endif
252
253 if (len < 0)
254 exit_cleanup(RERR_MESSAGEIO);
255
256 if (am_server && msg_fd_out >= 0) {
257 assert(!is_utf8);
258 /* Pass the message to our sibling in native charset. */
259 send_msg((enum msgcode)code, buf, len, 0);
260 return;
261 }
262
263 if (code == FERROR_SOCKET) /* This gets simplified for a non-sibling. */
264 code = FERROR;
265 else if (code == FERROR_UTF8) {
266 is_utf8 = 1;
267 code = FERROR;
268 }
269
270 if (code == FCLIENT)
271 code = FINFO;
272 else if (am_daemon || logfile_name) {
273 static int in_block;
274 char msg[2048];
275 int priority = code == FINFO || code == FLOG ? LOG_INFO : LOG_WARNING;
276
277 if (in_block)
278 return;
279 in_block = 1;
280 if (!log_initialised)
281 log_init(0);
282 strlcpy(msg, buf, MIN((int)sizeof msg, len + 1));
283 logit(priority, msg);
284 in_block = 0;
285
286 if (code == FLOG || (am_daemon && !am_server))
287 return;
288 } else if (code == FLOG)
289 return;
290
291 if (quiet && code == FINFO)
292 return;
293
294 if (am_server) {
295 enum msgcode msg = (enum msgcode)code;
296 if (protocol_version < 30) {
297 if (msg == MSG_ERROR)
298 msg = MSG_ERROR_XFER;
299 else if (msg == MSG_WARNING)
300 msg = MSG_INFO;
301 }
302 /* Pass the message to the non-server side. */
303 if (send_msg(msg, buf, len, !is_utf8))
304 return;
305 if (am_daemon) {
306 /* TODO: can we send the error to the user somehow? */
307 return;
308 }
309 }
310
311 switch (code) {
312 case FERROR_XFER:
313 got_xfer_error = 1;
314 /* FALL THROUGH */
315 case FERROR:
316 case FWARNING:
317 f = stderr;
318 break;
319 case FINFO:
320 f = am_server ? stderr : stdout;
321 break;
322 default:
323 exit_cleanup(RERR_MESSAGEIO);
324 }
325
326 if (progress_is_active && !am_server) {
327 fputc('\n', f);
328 progress_is_active = 0;
329 }
330
331 trailing_CR_or_NL = len && (buf[len-1] == '\n' || buf[len-1] == '\r')
332 ? buf[--len] : 0;
333
334 #ifdef ICONV_CONST
335 if (ic != (iconv_t)-1) {
336 xbuf outbuf, inbuf;
337 char convbuf[1024];
338 int ierrno;
339
340 INIT_CONST_XBUF(outbuf, convbuf);
341 INIT_XBUF(inbuf, (char*)buf, len, -1);
342
343 while (inbuf.len) {
344 iconvbufs(ic, &inbuf, &outbuf, 0);
345 ierrno = errno;
346 if (outbuf.len) {
347 filtered_fwrite(f, convbuf, outbuf.len, 0);
348 outbuf.len = 0;
349 }
350 if (!ierrno || ierrno == E2BIG)
351 continue;
352 fprintf(f, "\\#%03o", CVAL(inbuf.buf, inbuf.pos++));
353 inbuf.len--;
354 }
355 } else
356 #endif
357 filtered_fwrite(f, buf, len, !allow_8bit_chars);
358
359 if (trailing_CR_or_NL) {
360 fputc(trailing_CR_or_NL, f);
361 fflush(f);
362 }
363 }
364
365 /* This is the rsync debugging function. Call it with FINFO, FERROR_*,
366 * FWARNING, FLOG, or FCLIENT. */
367 void rprintf(enum logcode code, const char *format, ...)
368 {
369 va_list ap;
370 char buf[BIGPATHBUFLEN];
371 size_t len;
372
373 va_start(ap, format);
374 len = vsnprintf(buf, sizeof buf, format, ap);
375 va_end(ap);
376
377 /* Deal with buffer overruns. Instead of panicking, just
378 * truncate the resulting string. (Note that configure ensures
379 * that we have a vsnprintf() that doesn't ever return -1.) */
380 if (len > sizeof buf - 1) {
381 static const char ellipsis[] = "[...]";
382
383 /* Reset length, and zero-terminate the end of our buffer */
384 len = sizeof buf - 1;
385 buf[len] = '\0';
386
387 /* Copy the ellipsis to the end of the string, but give
388 * us one extra character:
389 *
390 * v--- null byte at buf[sizeof buf - 1]
391 * abcdefghij0
392 * -> abcd[...]00 <-- now two null bytes at end
393 *
394 * If the input format string has a trailing newline,
395 * we copy it into that extra null; if it doesn't, well,
396 * all we lose is one byte. */
397 memcpy(buf+len-sizeof ellipsis, ellipsis, sizeof ellipsis);
398 if (format[strlen(format)-1] == '\n') {
399 buf[len-1] = '\n';
400 }
401 }
402
403 rwrite(code, buf, len, 0);
404 }
405
406 /* This is like rprintf, but it also tries to print some
407 * representation of the error code. Normally errcode = errno.
408 *
409 * Unlike rprintf, this always adds a newline and there should not be
410 * one in the format string.
411 *
412 * Note that since strerror might involve dynamically loading a
413 * message catalog we need to call it once before chroot-ing. */
414 void rsyserr(enum logcode code, int errcode, const char *format, ...)
415 {
416 va_list ap;
417 char buf[BIGPATHBUFLEN];
418 size_t len;
419
420 strlcpy(buf, RSYNC_NAME ": ", sizeof buf);
421 len = (sizeof RSYNC_NAME ": ") - 1;
422
423 va_start(ap, format);
424 len += vsnprintf(buf + len, sizeof buf - len, format, ap);
425 va_end(ap);
426
427 if (len < sizeof buf) {
428 len += snprintf(buf + len, sizeof buf - len,
429 ": %s (%d)\n", strerror(errcode), errcode);
430 }
431 if (len >= sizeof buf)
432 exit_cleanup(RERR_MESSAGEIO);
433
434 rwrite(code, buf, len, 0);
435 }
436
437 void rflush(enum logcode code)
438 {
439 FILE *f = NULL;
440
441 if (am_daemon || code == FLOG)
442 return;
443
444 if (code == FINFO && !am_server)
445 f = stdout;
446 else
447 f = stderr;
448
449 fflush(f);
450 }
451
452 /* A generic logging routine for send/recv, with parameter substitiution. */
453 static void log_formatted(enum logcode code, const char *format, const char *op,
454 struct file_struct *file, const char *fname,
455 struct stats *initial_stats, int iflags,
456 const char *hlink)
457 {
458 char buf[MAXPATHLEN+1024], buf2[MAXPATHLEN], fmt[32];
459 char *p, *s, *c;
460 const char *n;
461 size_t len, total;
462 int64 b;
463
464 *fmt = '%';
465
466 /* We expand % codes one by one in place in buf. We don't
467 * copy in the terminating null of the inserted strings, but
468 * rather keep going until we reach the null of the format. */
469 total = strlcpy(buf, format, sizeof buf);
470 if (total > MAXPATHLEN) {
471 rprintf(FERROR, "log-format string is WAY too long!\n");
472 exit_cleanup(RERR_MESSAGEIO);
473 }
474 buf[total++] = '\n';
475 buf[total] = '\0';
476
477 for (p = buf; (p = strchr(p, '%')) != NULL; ) {
478 s = p++;
479 c = fmt + 1;
480 if (*p == '-')
481 *c++ = *p++;
482 while (isDigit(p) && c - fmt < (int)(sizeof fmt) - 8)
483 *c++ = *p++;
484 if (!*p)
485 break;
486 *c = '\0';
487 n = NULL;
488
489 switch (*p) {
490 case 'h':
491 if (am_daemon)
492 n = client_name(0);
493 break;
494 case 'a':
495 if (am_daemon)
496 n = client_addr(0);
497 break;
498 case 'l':
499 strlcat(fmt, ".0f", sizeof fmt);
500 snprintf(buf2, sizeof buf2, fmt,
501 (double)F_LENGTH(file));
502 n = buf2;
503 break;
504 case 'U':
505 strlcat(fmt, "u", sizeof fmt);
506 snprintf(buf2, sizeof buf2, fmt,
507 uid_ndx ? F_OWNER(file) : 0);
508 n = buf2;
509 break;
510 case 'G':
511 if (!gid_ndx || file->flags & FLAG_SKIP_GROUP)
512 n = "DEFAULT";
513 else {
514 strlcat(fmt, "u", sizeof fmt);
515 snprintf(buf2, sizeof buf2, fmt,
516 F_GROUP(file));
517 n = buf2;
518 }
519 break;
520 case 'p':
521 strlcat(fmt, "ld", sizeof fmt);
522 snprintf(buf2, sizeof buf2, fmt,
523 (long)getpid());
524 n = buf2;
525 break;
526 case 'M':
527 n = c = timestring(file->modtime);
528 while ((c = strchr(c, ' ')) != NULL)
529 *c = '-';
530 break;
531 case 'B':
532 c = buf2 + MAXPATHLEN - PERMSTRING_SIZE - 1;
533 permstring(c, file->mode);
534 n = c + 1; /* skip the type char */
535 break;
536 case 'o':
537 n = op;
538 break;
539 case 'f':
540 if (fname) {
541 c = f_name_buf();
542 strlcpy(c, fname, MAXPATHLEN);
543 } else
544 c = f_name(file, NULL);
545 if (am_sender && F_PATHNAME(file)) {
546 pathjoin(buf2, sizeof buf2,
547 F_PATHNAME(file), c);
548 clean_fname(buf2, 0);
549 if (fmt[1]) {
550 strlcpy(c, buf2, MAXPATHLEN);
551 n = c;
552 } else
553 n = buf2;
554 } else if (am_daemon && *c != '/') {
555 pathjoin(buf2, sizeof buf2,
556 curr_dir + module_dirlen, c);
557 clean_fname(buf2, 0);
558 if (fmt[1]) {
559 strlcpy(c, buf2, MAXPATHLEN);
560 n = c;
561 } else
562 n = buf2;
563 } else {
564 clean_fname(c, 0);
565 n = c;
566 }
567 if (*n == '/')
568 n++;
569 break;
570 case 'n':
571 if (fname) {
572 c = f_name_buf();
573 strlcpy(c, fname, MAXPATHLEN);
574 } else
575 c = f_name(file, NULL);
576 if (S_ISDIR(file->mode))
577 strlcat(c, "/", MAXPATHLEN);
578 n = c;
579 break;
580 case 'L':
581 if (hlink && *hlink) {
582 n = hlink;
583 strlcpy(buf2, " => ", sizeof buf2);
584 } else if (S_ISLNK(file->mode) && !fname) {
585 n = F_SYMLINK(file);
586 strlcpy(buf2, " -> ", sizeof buf2);
587 } else {
588 n = "";
589 if (!fmt[1])
590 break;
591 strlcpy(buf2, " ", sizeof buf2);
592 }
593 strlcat(fmt, "s", sizeof fmt);
594 snprintf(buf2 + 4, sizeof buf2 - 4, fmt, n);
595 n = buf2;
596 break;
597 case 'm':
598 n = lp_name(module_id);
599 break;
600 case 't':
601 n = timestring(time(NULL));
602 break;
603 case 'P':
604 n = full_module_path;
605 break;
606 case 'u':
607 n = auth_user;
608 break;
609 case 'b':
610 if (am_sender) {
611 b = stats.total_written -
612 initial_stats->total_written;
613 } else {
614 b = stats.total_read -
615 initial_stats->total_read;
616 }
617 strlcat(fmt, ".0f", sizeof fmt);
618 snprintf(buf2, sizeof buf2, fmt, (double)b);
619 n = buf2;
620 break;
621 case 'c':
622 if (!am_sender) {
623 b = stats.total_written -
624 initial_stats->total_written;
625 } else {
626 b = stats.total_read -
627 initial_stats->total_read;
628 }
629 strlcat(fmt, ".0f", sizeof fmt);
630 snprintf(buf2, sizeof buf2, fmt, (double)b);
631 n = buf2;
632 break;
633 case 'i':
634 if (iflags & ITEM_DELETED) {
635 n = "*deleting ";
636 break;
637 }
638 n = c = buf2 + MAXPATHLEN - 32;
639 c[0] = iflags & ITEM_LOCAL_CHANGE
640 ? iflags & ITEM_XNAME_FOLLOWS ? 'h' : 'c'
641 : !(iflags & ITEM_TRANSFER) ? '.'
642 : !local_server && *op == 's' ? '<' : '>';
643 if (S_ISLNK(file->mode)) {
644 c[1] = 'L';
645 c[3] = '.';
646 c[4] = !(iflags & ITEM_REPORT_TIME) ? '.'
647 : !preserve_times || !receiver_symlink_times
648 || (iflags & ITEM_REPORT_TIMEFAIL) ? 'T' : 't';
649 } else {
650 c[1] = S_ISDIR(file->mode) ? 'd'
651 : IS_SPECIAL(file->mode) ? 'S'
652 : IS_DEVICE(file->mode) ? 'D' : 'f';
653 c[3] = !(iflags & ITEM_REPORT_SIZE) ? '.' : 's';
654 c[4] = !(iflags & ITEM_REPORT_TIME) ? '.'
655 : !preserve_times ? 'T' : 't';
656 }
657 c[2] = !(iflags & ITEM_REPORT_CHANGE) ? '.' : 'c';
658 c[5] = !(iflags & ITEM_REPORT_PERMS) ? '.' : 'p';
659 c[6] = !(iflags & ITEM_REPORT_OWNER) ? '.' : 'o';
660 c[7] = !(iflags & ITEM_REPORT_GROUP) ? '.' : 'g';
661 c[8] = !(iflags & ITEM_REPORT_ATIME) ? '.' : 'u';
662 c[9] = !(iflags & ITEM_REPORT_ACL) ? '.' : 'a';
663 c[10] = !(iflags & ITEM_REPORT_XATTR) ? '.' : 'x';
664 c[11] = '\0';
665
666 if (iflags & (ITEM_IS_NEW|ITEM_MISSING_DATA)) {
667 char ch = iflags & ITEM_IS_NEW ? '+' : '?';
668 int i;
669 for (i = 2; c[i]; i++)
670 c[i] = ch;
671 } else if (c[0] == '.' || c[0] == 'h' || c[0] == 'c') {
672 int i;
673 for (i = 2; c[i]; i++) {
674 if (c[i] != '.')
675 break;
676 }
677 if (!c[i]) {
678 for (i = 2; c[i]; i++)
679 c[i] = ' ';
680 }
681 }
682 break;
683 }
684
685 /* "n" is the string to be inserted in place of this % code. */
686 if (!n)
687 continue;
688 if (n != buf2 && fmt[1]) {
689 strlcat(fmt, "s", sizeof fmt);
690 snprintf(buf2, sizeof buf2, fmt, n);
691 n = buf2;
692 }
693 len = strlen(n);
694
695 /* Subtract the length of the escape from the string's size. */
696 total -= p - s + 1;
697
698 if (len + total >= (size_t)sizeof buf) {
699 rprintf(FERROR,
700 "buffer overflow expanding %%%c -- exiting\n",
701 p[0]);
702 exit_cleanup(RERR_MESSAGEIO);
703 }
704
705 /* Shuffle the rest of the string along to make space for n */
706 if (len != (size_t)(p - s + 1))
707 memmove(s + len, p + 1, total - (s - buf) + 1);
708 total += len;
709
710 /* Insert the contents of string "n", but NOT its null. */
711 if (len)
712 memcpy(s, n, len);
713
714 /* Skip over inserted string; continue looking */
715 p = s + len;
716 }
717
718 rwrite(code, buf, total, 0);
719 }
720
721 /* Return 1 if the format escape is in the log-format string (e.g. look for
722 * the 'b' in the "%9b" format escape). */
723 int log_format_has(const char *format, char esc)
724 {
725 const char *p;
726
727 if (!format)
728 return 0;
729
730 for (p = format; (p = strchr(p, '%')) != NULL; ) {
731 if (*++p == '-')
732 p++;
733 while (isDigit(p))
734 p++;
735 if (!*p)
736 break;
737 if (*p == esc)
738 return 1;
739 }
740 return 0;
741 }
742
743 /* Log the transfer of a file. If the code is FCLIENT, the output just goes
744 * to stdout. If it is FLOG, it just goes to the log file. Otherwise we
745 * output to both. */
746 void log_item(enum logcode code, struct file_struct *file,
747 struct stats *initial_stats, int iflags, const char *hlink)
748 {
749 const char *s_or_r = am_sender ? "send" : "recv";
750
751 if (code != FLOG && stdout_format && !am_server) {
752 log_formatted(FCLIENT, stdout_format, s_or_r,
753 file, NULL, initial_stats, iflags, hlink);
754 }
755 if (code != FCLIENT && logfile_format && *logfile_format) {
756 log_formatted(FLOG, logfile_format, s_or_r,
757 file, NULL, initial_stats, iflags, hlink);
758 }
759 }
760
761 void maybe_log_item(struct file_struct *file, int iflags, int itemizing,
762 const char *buf)
763 {
764 int significant_flags = iflags & SIGNIFICANT_ITEM_FLAGS;
765 int see_item = itemizing && (significant_flags || *buf
766 || stdout_format_has_i > 1 || (verbose > 1 && stdout_format_has_i));
767 int local_change = iflags & ITEM_LOCAL_CHANGE && significant_flags;
768 if (am_server) {
769 if (logfile_name && !dry_run && see_item
770 && (significant_flags || logfile_format_has_i))
771 log_item(FLOG, file, &stats, iflags, buf);
772 } else if (see_item || local_change || *buf
773 || (S_ISDIR(file->mode) && significant_flags)) {
774 enum logcode code = significant_flags || logfile_format_has_i ? FINFO : FCLIENT;
775 log_item(code, file, &stats, iflags, buf);
776 }
777 }
778
779 void log_delete(const char *fname, int mode)
780 {
781 static struct {
782 union file_extras ex[4]; /* just in case... */
783 struct file_struct file;
784 } x;
785 int len = strlen(fname);
786 const char *fmt;
787
788 x.file.mode = mode;
789
790 if (!verbose && !stdout_format)
791 ;
792 else if (am_server && protocol_version >= 29 && len < MAXPATHLEN) {
793 if (S_ISDIR(mode))
794 len++; /* directories include trailing null */
795 send_msg(MSG_DELETED, fname, len, am_generator);
796 } else {
797 fmt = stdout_format_has_o_or_i ? stdout_format : "deleting %n";
798 log_formatted(FCLIENT, fmt, "del.", &x.file, fname, &stats,
799 ITEM_DELETED, NULL);
800 }
801
802 if (!logfile_name || dry_run || !logfile_format)
803 return;
804
805 fmt = logfile_format_has_o_or_i ? logfile_format : "deleting %n";
806 log_formatted(FLOG, fmt, "del.", &x.file, fname, &stats, ITEM_DELETED, NULL);
807 }
808
809 /*
810 * Called when the transfer is interrupted for some reason.
811 *
812 * Code is one of the RERR_* codes from errcode.h, or terminating
813 * successfully.
814 */
815 void log_exit(int code, const char *file, int line)
816 {
817 if (code == 0) {
818 rprintf(FLOG,"sent %.0f bytes received %.0f bytes total size %.0f\n",
819 (double)stats.total_written,
820 (double)stats.total_read,
821 (double)stats.total_size);
822 } else if (am_server != 2) {
823 const char *name;
824
825 name = rerr_name(code);
826 if (!name)
827 name = "unexplained error";
828
829 /* VANISHED is not an error, only a warning */
830 if (code == RERR_VANISHED) {
831 rprintf(FWARNING, "rsync warning: %s (code %d) at %s(%d) [%s=%s]\n",
832 name, code, file, line, who_am_i(), RSYNC_VERSION);
833 } else {
834 rprintf(FERROR, "rsync error: %s (code %d) at %s(%d) [%s=%s]\n",
835 name, code, file, line, who_am_i(), RSYNC_VERSION);
836 }
837 }
838 }