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Preparing for release of 3.0.0pre8
[rsync.git] / log.c
blobe06cc7da55fc22621a38aed53ee04608e281eccd
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) 2003-2007 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 uid_ndx;
39 extern int gid_ndx;
40 extern int stdout_format_has_i;
41 extern int stdout_format_has_o_or_i;
42 extern int logfile_format_has_i;
43 extern int logfile_format_has_o_or_i;
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_send, ic_recv;
54 #endif
55 extern char curr_dir[];
56 extern char *module_dir;
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 could not be transferred" },
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. */
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
266 if (code == FCLIENT)
267 code = FINFO;
268 else if (am_daemon || logfile_name) {
269 static int in_block;
270 char msg[2048];
271 int priority = code == FINFO || code == FLOG ? LOG_INFO : LOG_WARNING;
272
273 if (in_block)
274 return;
275 in_block = 1;
276 if (!log_initialised)
277 log_init(0);
278 strlcpy(msg, buf, MIN((int)sizeof msg, len + 1));
279 logit(priority, msg);
280 in_block = 0;
281
282 if (code == FLOG || (am_daemon && !am_server))
283 return;
284 } else if (code == FLOG)
285 return;
286
287 if (quiet && code == FINFO)
288 return;
289
290 if (am_server) {
291 enum msgcode msg = (enum msgcode)code;
292 if (protocol_version < 30) {
293 if (msg == MSG_ERROR)
294 msg = MSG_ERROR_XFER;
295 else if (msg == MSG_WARNING)
296 msg = MSG_INFO;
297 }
298 /* Pass the message to the non-server side. */
299 if (send_msg(msg, buf, len, !is_utf8))
300 return;
301 if (am_daemon) {
302 /* TODO: can we send the error to the user somehow? */
303 return;
304 }
305 }
306
307 switch (code) {
308 case FERROR_XFER:
309 got_xfer_error = 1;
310 /* FALL THROUGH */
311 case FERROR:
312 case FWARNING:
313 f = stderr;
314 break;
315 case FINFO:
316 f = am_server ? stderr : stdout;
317 break;
318 default:
319 exit_cleanup(RERR_MESSAGEIO);
320 }
321
322 trailing_CR_or_NL = len && (buf[len-1] == '\n' || buf[len-1] == '\r')
323 ? buf[--len] : 0;
324
325 #ifdef ICONV_CONST
326 if (ic != (iconv_t)-1) {
327 xbuf outbuf, inbuf;
328 char convbuf[1024];
329 int ierrno;
330
331 INIT_CONST_XBUF(outbuf, convbuf);
332 INIT_XBUF(inbuf, (char*)buf, len, -1);
333
334 while (inbuf.len) {
335 iconvbufs(ic, &inbuf, &outbuf, 0);
336 ierrno = errno;
337 if (outbuf.len) {
338 filtered_fwrite(f, convbuf, outbuf.len, 0);
339 outbuf.len = 0;
340 }
341 if (!ierrno || ierrno == E2BIG)
342 continue;
343 fprintf(f, "\\#%03o", CVAL(inbuf.buf, inbuf.pos++));
344 inbuf.len--;
345 }
346 } else
347 #endif
348 filtered_fwrite(f, buf, len, !allow_8bit_chars);
349
350 if (trailing_CR_or_NL) {
351 fputc(trailing_CR_or_NL, f);
352 fflush(f);
353 }
354 }
355
356 /* This is the rsync debugging function. Call it with FINFO, FERROR_*,
357 * FWARNING, FLOG, or FCLIENT. */
358 void rprintf(enum logcode code, const char *format, ...)
359 {
360 va_list ap;
361 char buf[BIGPATHBUFLEN];
362 size_t len;
363
364 va_start(ap, format);
365 len = vsnprintf(buf, sizeof buf, format, ap);
366 va_end(ap);
367
368 /* Deal with buffer overruns. Instead of panicking, just
369 * truncate the resulting string. (Note that configure ensures
370 * that we have a vsnprintf() that doesn't ever return -1.) */
371 if (len > sizeof buf - 1) {
372 static const char ellipsis[] = "[...]";
373
374 /* Reset length, and zero-terminate the end of our buffer */
375 len = sizeof buf - 1;
376 buf[len] = '\0';
377
378 /* Copy the ellipsis to the end of the string, but give
379 * us one extra character:
380 *
381 * v--- null byte at buf[sizeof buf - 1]
382 * abcdefghij0
383 * -> abcd[...]00 <-- now two null bytes at end
384 *
385 * If the input format string has a trailing newline,
386 * we copy it into that extra null; if it doesn't, well,
387 * all we lose is one byte. */
388 memcpy(buf+len-sizeof ellipsis, ellipsis, sizeof ellipsis);
389 if (format[strlen(format)-1] == '\n') {
390 buf[len-1] = '\n';
391 }
392 }
393
394 rwrite(code, buf, len, 0);
395 }
396
397 /* This is like rprintf, but it also tries to print some
398 * representation of the error code. Normally errcode = errno.
399 *
400 * Unlike rprintf, this always adds a newline and there should not be
401 * one in the format string.
402 *
403 * Note that since strerror might involve dynamically loading a
404 * message catalog we need to call it once before chroot-ing. */
405 void rsyserr(enum logcode code, int errcode, const char *format, ...)
406 {
407 va_list ap;
408 char buf[BIGPATHBUFLEN];
409 size_t len;
410
411 strlcpy(buf, RSYNC_NAME ": ", sizeof buf);
412 len = (sizeof RSYNC_NAME ": ") - 1;
413
414 va_start(ap, format);
415 len += vsnprintf(buf + len, sizeof buf - len, format, ap);
416 va_end(ap);
417
418 if (len < sizeof buf) {
419 len += snprintf(buf + len, sizeof buf - len,
420 ": %s (%d)\n", strerror(errcode), errcode);
421 }
422 if (len >= sizeof buf)
423 exit_cleanup(RERR_MESSAGEIO);
424
425 rwrite(code, buf, len, 0);
426 }
427
428 void rflush(enum logcode code)
429 {
430 FILE *f = NULL;
431
432 if (am_daemon || code == FLOG)
433 return;
434
435 if (code == FINFO && !am_server)
436 f = stdout;
437 else
438 f = stderr;
439
440 fflush(f);
441 }
442
443 /* A generic logging routine for send/recv, with parameter substitiution. */
444 static void log_formatted(enum logcode code, const char *format, const char *op,
445 struct file_struct *file, const char *fname,
446 struct stats *initial_stats, int iflags,
447 const char *hlink)
448 {
449 char buf[MAXPATHLEN+1024], buf2[MAXPATHLEN], fmt[32];
450 char *p, *s, *c;
451 const char *n;
452 size_t len, total;
453 int64 b;
454
455 *fmt = '%';
456
457 /* We expand % codes one by one in place in buf. We don't
458 * copy in the terminating null of the inserted strings, but
459 * rather keep going until we reach the null of the format. */
460 total = strlcpy(buf, format, sizeof buf);
461 if (total > MAXPATHLEN) {
462 rprintf(FERROR, "log-format string is WAY too long!\n");
463 exit_cleanup(RERR_MESSAGEIO);
464 }
465 buf[total++] = '\n';
466 buf[total] = '\0';
467
468 for (p = buf; (p = strchr(p, '%')) != NULL; ) {
469 s = p++;
470 c = fmt + 1;
471 if (*p == '-')
472 *c++ = *p++;
473 while (isDigit(p) && c - fmt < (int)(sizeof fmt) - 8)
474 *c++ = *p++;
475 if (!*p)
476 break;
477 *c = '\0';
478 n = NULL;
479
480 switch (*p) {
481 case 'h':
482 if (am_daemon)
483 n = client_name(0);
484 break;
485 case 'a':
486 if (am_daemon)
487 n = client_addr(0);
488 break;
489 case 'l':
490 strlcat(fmt, ".0f", sizeof fmt);
491 snprintf(buf2, sizeof buf2, fmt,
492 (double)F_LENGTH(file));
493 n = buf2;
494 break;
495 case 'U':
496 strlcat(fmt, "u", sizeof fmt);
497 snprintf(buf2, sizeof buf2, fmt,
498 uid_ndx ? F_OWNER(file) : 0);
499 n = buf2;
500 break;
501 case 'G':
502 if (!gid_ndx || file->flags & FLAG_SKIP_GROUP)
503 n = "DEFAULT";
504 else {
505 strlcat(fmt, "u", sizeof fmt);
506 snprintf(buf2, sizeof buf2, fmt,
507 F_GROUP(file));
508 n = buf2;
509 }
510 break;
511 case 'p':
512 strlcat(fmt, "ld", sizeof fmt);
513 snprintf(buf2, sizeof buf2, fmt,
514 (long)getpid());
515 n = buf2;
516 break;
517 case 'M':
518 n = c = timestring(file->modtime);
519 while ((c = strchr(p, ' ')) != NULL)
520 *c = '-';
521 break;
522 case 'B':
523 c = buf2 + MAXPATHLEN - PERMSTRING_SIZE - 1;
524 permstring(c, file->mode);
525 n = c + 1; /* skip the type char */
526 break;
527 case 'o':
528 n = op;
529 break;
530 case 'f':
531 if (fname) {
532 c = f_name_buf();
533 strlcpy(c, fname, MAXPATHLEN);
534 } else
535 c = f_name(file, NULL);
536 if (am_sender && F_PATHNAME(file)) {
537 pathjoin(buf2, sizeof buf2,
538 F_PATHNAME(file), c);
539 clean_fname(buf2, 0);
540 if (fmt[1]) {
541 strlcpy(c, buf2, MAXPATHLEN);
542 n = c;
543 } else
544 n = buf2;
545 } else if (am_daemon && *c != '/') {
546 pathjoin(buf2, sizeof buf2,
547 curr_dir + module_dirlen, 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 {
555 clean_fname(c, 0);
556 n = c;
557 }
558 if (*n == '/')
559 n++;
560 break;
561 case 'n':
562 if (fname) {
563 c = f_name_buf();
564 strlcpy(c, fname, MAXPATHLEN);
565 } else
566 c = f_name(file, NULL);
567 if (S_ISDIR(file->mode))
568 strlcat(c, "/", MAXPATHLEN);
569 n = c;
570 break;
571 case 'L':
572 if (hlink && *hlink) {
573 n = hlink;
574 strlcpy(buf2, " => ", sizeof buf2);
575 } else if (S_ISLNK(file->mode) && !fname) {
576 n = F_SYMLINK(file);
577 strlcpy(buf2, " -> ", sizeof buf2);
578 } else {
579 n = "";
580 if (!fmt[1])
581 break;
582 strlcpy(buf2, " ", sizeof buf2);
583 }
584 strlcat(fmt, "s", sizeof fmt);
585 snprintf(buf2 + 4, sizeof buf2 - 4, fmt, n);
586 n = buf2;
587 break;
588 case 'm':
589 n = lp_name(module_id);
590 break;
591 case 't':
592 n = timestring(time(NULL));
593 break;
594 case 'P':
595 n = module_dir;
596 break;
597 case 'u':
598 n = auth_user;
599 break;
600 case 'b':
601 if (am_sender) {
602 b = stats.total_written -
603 initial_stats->total_written;
604 } else {
605 b = stats.total_read -
606 initial_stats->total_read;
607 }
608 strlcat(fmt, ".0f", sizeof fmt);
609 snprintf(buf2, sizeof buf2, fmt, (double)b);
610 n = buf2;
611 break;
612 case 'c':
613 if (!am_sender) {
614 b = stats.total_written -
615 initial_stats->total_written;
616 } else {
617 b = stats.total_read -
618 initial_stats->total_read;
619 }
620 strlcat(fmt, ".0f", sizeof fmt);
621 snprintf(buf2, sizeof buf2, fmt, (double)b);
622 n = buf2;
623 break;
624 case 'i':
625 if (iflags & ITEM_DELETED) {
626 n = "*deleting";
627 break;
628 }
629 n = c = buf2 + MAXPATHLEN - 32;
630 c[0] = iflags & ITEM_LOCAL_CHANGE
631 ? iflags & ITEM_XNAME_FOLLOWS ? 'h' : 'c'
632 : !(iflags & ITEM_TRANSFER) ? '.'
633 : !local_server && *op == 's' ? '<' : '>';
634 c[1] = S_ISDIR(file->mode) ? 'd'
635 : IS_SPECIAL(file->mode) ? 'S'
636 : IS_DEVICE(file->mode) ? 'D'
637 : S_ISLNK(file->mode) ? 'L' : 'f';
638 c[2] = !(iflags & ITEM_REPORT_CHECKSUM) ? '.' : 'c';
639 c[3] = !(iflags & ITEM_REPORT_SIZE) ? '.' : 's';
640 c[4] = !(iflags & ITEM_REPORT_TIME) ? '.'
641 : !preserve_times || S_ISLNK(file->mode) ? 'T' : 't';
642 c[5] = !(iflags & ITEM_REPORT_PERMS) ? '.' : 'p';
643 c[6] = !(iflags & ITEM_REPORT_OWNER) ? '.' : 'o';
644 c[7] = !(iflags & ITEM_REPORT_GROUP) ? '.' : 'g';
645 c[8] = !(iflags & ITEM_REPORT_ATIME) ? '.' : 'u';
646 c[9] = !(iflags & ITEM_REPORT_ACL) ? '.' : 'a';
647 c[10] = !(iflags & ITEM_REPORT_XATTR) ? '.' : 'x';
648 c[11] = '\0';
649
650 if (iflags & (ITEM_IS_NEW|ITEM_MISSING_DATA)) {
651 char ch = iflags & ITEM_IS_NEW ? '+' : '?';
652 int i;
653 for (i = 2; c[i]; i++)
654 c[i] = ch;
655 } else if (c[0] == '.' || c[0] == 'h' || c[0] == 'c') {
656 int i;
657 for (i = 2; c[i]; i++) {
658 if (c[i] != '.')
659 break;
660 }
661 if (!c[i]) {
662 for (i = 2; c[i]; i++)
663 c[i] = ' ';
664 }
665 }
666 break;
667 }
668
669 /* "n" is the string to be inserted in place of this % code. */
670 if (!n)
671 continue;
672 if (n != buf2 && fmt[1]) {
673 strlcat(fmt, "s", sizeof fmt);
674 snprintf(buf2, sizeof buf2, fmt, n);
675 n = buf2;
676 }
677 len = strlen(n);
678
679 /* Subtract the length of the escape from the string's size. */
680 total -= p - s + 1;
681
682 if (len + total >= (size_t)sizeof buf) {
683 rprintf(FERROR,
684 "buffer overflow expanding %%%c -- exiting\n",
685 p[0]);
686 exit_cleanup(RERR_MESSAGEIO);
687 }
688
689 /* Shuffle the rest of the string along to make space for n */
690 if (len != (size_t)(p - s + 1))
691 memmove(s + len, p + 1, total - (s - buf) + 1);
692 total += len;
693
694 /* Insert the contents of string "n", but NOT its null. */
695 if (len)
696 memcpy(s, n, len);
697
698 /* Skip over inserted string; continue looking */
699 p = s + len;
700 }
701
702 rwrite(code, buf, total, 0);
703 }
704
705 /* Return 1 if the format escape is in the log-format string (e.g. look for
706 * the 'b' in the "%9b" format escape). */
707 int log_format_has(const char *format, char esc)
708 {
709 const char *p;
710
711 if (!format)
712 return 0;
713
714 for (p = format; (p = strchr(p, '%')) != NULL; ) {
715 if (*++p == '-')
716 p++;
717 while (isDigit(p))
718 p++;
719 if (!*p)
720 break;
721 if (*p == esc)
722 return 1;
723 }
724 return 0;
725 }
726
727 /* Log the transfer of a file. If the code is FCLIENT, the output just goes
728 * to stdout. If it is FLOG, it just goes to the log file. Otherwise we
729 * output to both. */
730 void log_item(enum logcode code, struct file_struct *file,
731 struct stats *initial_stats, int iflags, const char *hlink)
732 {
733 const char *s_or_r = am_sender ? "send" : "recv";
734
735 if (code != FLOG && stdout_format && !am_server) {
736 log_formatted(FCLIENT, stdout_format, s_or_r,
737 file, NULL, initial_stats, iflags, hlink);
738 }
739 if (code != FCLIENT && logfile_format && *logfile_format) {
740 log_formatted(FLOG, logfile_format, s_or_r,
741 file, NULL, initial_stats, iflags, hlink);
742 }
743 }
744
745 void maybe_log_item(struct file_struct *file, int iflags, int itemizing,
746 const char *buf)
747 {
748 int significant_flags = iflags & SIGNIFICANT_ITEM_FLAGS;
749 int see_item = itemizing && (significant_flags || *buf
750 || stdout_format_has_i > 1 || (verbose > 1 && stdout_format_has_i));
751 int local_change = iflags & ITEM_LOCAL_CHANGE && significant_flags;
752 if (am_server) {
753 if (logfile_name && !dry_run && see_item
754 && (significant_flags || logfile_format_has_i))
755 log_item(FLOG, file, &stats, iflags, buf);
756 } else if (see_item || local_change || *buf
757 || (S_ISDIR(file->mode) && significant_flags)) {
758 enum logcode code = significant_flags || logfile_format_has_i ? FINFO : FCLIENT;
759 log_item(code, file, &stats, iflags, buf);
760 }
761 }
762
763 void log_delete(const char *fname, int mode)
764 {
765 static struct {
766 union file_extras ex[4]; /* just in case... */
767 struct file_struct file;
768 } x;
769 int len = strlen(fname);
770 const char *fmt;
771
772 x.file.mode = mode;
773
774 if (!verbose && !stdout_format)
775 ;
776 else if (am_server && protocol_version >= 29 && len < MAXPATHLEN) {
777 if (S_ISDIR(mode))
778 len++; /* directories include trailing null */
779 send_msg(MSG_DELETED, fname, len, am_generator);
780 } else {
781 fmt = stdout_format_has_o_or_i ? stdout_format : "deleting %n";
782 log_formatted(FCLIENT, fmt, "del.", &x.file, fname, &stats,
783 ITEM_DELETED, NULL);
784 }
785
786 if (!logfile_name || dry_run || !logfile_format)
787 return;
788
789 fmt = logfile_format_has_o_or_i ? logfile_format : "deleting %n";
790 log_formatted(FLOG, fmt, "del.", &x.file, fname, &stats, ITEM_DELETED, NULL);
791 }
792
793 /*
794 * Called when the transfer is interrupted for some reason.
795 *
796 * Code is one of the RERR_* codes from errcode.h, or terminating
797 * successfully.
798 */
799 void log_exit(int code, const char *file, int line)
800 {
801 if (code == 0) {
802 rprintf(FLOG,"sent %.0f bytes received %.0f bytes total size %.0f\n",
803 (double)stats.total_written,
804 (double)stats.total_read,
805 (double)stats.total_size);
806 } else if (am_server != 2) {
807 const char *name;
808
809 name = rerr_name(code);
810 if (!name)
811 name = "unexplained error";
812
813 /* VANISHED is not an error, only a warning */
814 if (code == RERR_VANISHED) {
815 rprintf(FWARNING, "rsync warning: %s (code %d) at %s(%d) [%s=%s]\n",
816 name, code, file, line, who_am_i(), RSYNC_VERSION);
817 } else {
818 rprintf(FERROR, "rsync error: %s (code %d) at %s(%d) [%s=%s]\n",
819 name, code, file, line, who_am_i(), RSYNC_VERSION);
820 }
821 }
822 }
rsync: a fast, versatile, remote (and local) file-copying tool