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New logging categories added to allow differentiation between
[rsync.git] / log.c
blobfc4b5833d4bcd6f91632b224abc932f1e2306a72
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_CMD_FAILED , "remote shell failed" },
90 { RERR_CMD_KILLED , "remote shell killed" },
91 { RERR_CMD_RUN , "remote command could not be run" },
92 { RERR_CMD_NOTFOUND,"remote command not found" },
93 { RERR_DEL_LIMIT , "the --max-delete limit stopped deletions" },
94 { 0, NULL }
95 };
96
97 /*
98 * Map from rsync error code to name, or return NULL.
99 */
100 static char const *rerr_name(int code)
101 {
102 int i;
103 for (i = 0; rerr_names[i].name; i++) {
104 if (rerr_names[i].code == code)
105 return rerr_names[i].name;
106 }
107 return NULL;
108 }
109
110 static void logit(int priority, const char *buf)
111 {
112 if (logfile_was_closed)
113 logfile_reopen();
114 if (logfile_fp) {
115 fprintf(logfile_fp, "%s [%d] %s",
116 timestring(time(NULL)), (int)getpid(), buf);
117 fflush(logfile_fp);
118 } else {
119 syslog(priority, "%s", buf);
120 }
121 }
122
123 static void syslog_init()
124 {
125 static int been_here = 0;
126 int options = LOG_PID;
127
128 if (been_here)
129 return;
130 been_here = 1;
131
132 #ifdef LOG_NDELAY
133 options |= LOG_NDELAY;
134 #endif
135
136 #ifdef LOG_DAEMON
137 openlog("rsyncd", options, lp_syslog_facility(module_id));
138 #else
139 openlog("rsyncd", options);
140 #endif
141
142 #ifndef LOG_NDELAY
143 logit(LOG_INFO, "rsyncd started\n");
144 #endif
145 }
146
147 static void logfile_open(void)
148 {
149 mode_t old_umask = umask(022 | orig_umask);
150 logfile_fp = fopen(logfile_name, "a");
151 umask(old_umask);
152 if (!logfile_fp) {
153 int fopen_errno = errno;
154 /* Rsync falls back to using syslog on failure. */
155 syslog_init();
156 rsyserr(FERROR, fopen_errno,
157 "failed to open log-file %s", logfile_name);
158 rprintf(FINFO, "Ignoring \"log file\" setting.\n");
159 }
160 }
161
162 void log_init(int restart)
163 {
164 if (log_initialised) {
165 if (!restart)
166 return;
167 if (strcmp(logfile_name, lp_log_file(module_id)) != 0) {
168 if (logfile_fp) {
169 fclose(logfile_fp);
170 logfile_fp = NULL;
171 } else
172 closelog();
173 logfile_name = NULL;
174 } else if (*logfile_name)
175 return; /* unchanged, non-empty "log file" names */
176 else if (lp_syslog_facility(-1) != lp_syslog_facility(module_id))
177 closelog();
178 else
179 return; /* unchanged syslog settings */
180 } else
181 log_initialised = 1;
182
183 /* This looks pointless, but it is needed in order for the
184 * C library on some systems to fetch the timezone info
185 * before the chroot. */
186 timestring(time(NULL));
187
188 /* Optionally use a log file instead of syslog. (Non-daemon
189 * rsyncs will have already set logfile_name, as needed.) */
190 if (am_daemon && !logfile_name)
191 logfile_name = lp_log_file(module_id);
192 if (logfile_name && *logfile_name)
193 logfile_open();
194 else
195 syslog_init();
196 }
197
198 void logfile_close(void)
199 {
200 if (logfile_fp) {
201 logfile_was_closed = 1;
202 fclose(logfile_fp);
203 logfile_fp = NULL;
204 }
205 }
206
207 void logfile_reopen(void)
208 {
209 if (logfile_was_closed) {
210 logfile_was_closed = 0;
211 logfile_open();
212 }
213 }
214
215 static void filtered_fwrite(FILE *f, const char *buf, int len, int use_isprint)
216 {
217 const char *s, *end = buf + len;
218 for (s = buf; s < end; s++) {
219 if ((s < end - 4
220 && *s == '\\' && s[1] == '#'
221 && isDigit(s + 2)
222 && isDigit(s + 3)
223 && isDigit(s + 4))
224 || (*s != '\t'
225 && ((use_isprint && !isPrint(s))
226 || *(uchar*)s < ' '))) {
227 if (s != buf && fwrite(buf, s - buf, 1, f) != 1)
228 exit_cleanup(RERR_MESSAGEIO);
229 fprintf(f, "\\#%03o", *(uchar*)s);
230 buf = s + 1;
231 }
232 }
233 if (buf != end && fwrite(buf, end - buf, 1, f) != 1)
234 exit_cleanup(RERR_MESSAGEIO);
235 }
236
237 /* this is the underlying (unformatted) rsync debugging function. Call
238 * it with FINFO, FERROR_*, FWARNING, FLOG, or FCLIENT. Note: recursion
239 * can happen with certain fatal conditions. */
240 void rwrite(enum logcode code, const char *buf, int len, int is_utf8)
241 {
242 int trailing_CR_or_NL;
243 FILE *f = NULL;
244 #ifdef ICONV_OPTION
245 iconv_t ic = is_utf8 && ic_recv != (iconv_t)-1 ? ic_recv : ic_chck;
246 #else
247 #ifdef ICONV_CONST
248 iconv_t ic = ic_chck;
249 #endif
250 #endif
251
252 if (len < 0)
253 exit_cleanup(RERR_MESSAGEIO);
254
255 if (am_server && msg_fd_out >= 0) {
256 assert(!is_utf8);
257 /* Pass the message to our sibling. */
258 send_msg((enum msgcode)code, buf, len, 0);
259 return;
260 }
261
262 if (code == FERROR_SOCKET) /* This gets simplified for a non-sibling. */
263 code = FERROR;
264
265 if (code == FCLIENT)
266 code = FINFO;
267 else if (am_daemon || logfile_name) {
268 static int in_block;
269 char msg[2048];
270 int priority = code == FINFO || code == FLOG ? LOG_INFO : LOG_WARNING;
271
272 if (in_block)
273 return;
274 in_block = 1;
275 if (!log_initialised)
276 log_init(0);
277 strlcpy(msg, buf, MIN((int)sizeof msg, len + 1));
278 logit(priority, msg);
279 in_block = 0;
280
281 if (code == FLOG || (am_daemon && !am_server))
282 return;
283 } else if (code == FLOG)
284 return;
285
286 if (quiet && code == FINFO)
287 return;
288
289 if (am_server) {
290 enum msgcode msg = (enum msgcode)code;
291 if (protocol_version < 30) {
292 if (msg == MSG_ERROR)
293 msg = MSG_ERROR_XFER;
294 else if (msg == MSG_WARNING)
295 msg = MSG_INFO;
296 }
297 /* Pass the message to the non-server side. */
298 if (send_msg(msg, buf, len, !is_utf8))
299 return;
300 if (am_daemon) {
301 /* TODO: can we send the error to the user somehow? */
302 return;
303 }
304 }
305
306 switch (code) {
307 case FERROR_XFER:
308 got_xfer_error = 1;
309 /* CONTINUE */
310 case FERROR:
311 case FWARNING:
312 f = stderr;
313 break;
314 case FINFO:
315 f = am_server ? stderr : stdout;
316 break;
317 default:
318 exit_cleanup(RERR_MESSAGEIO);
319 }
320
321 trailing_CR_or_NL = len && (buf[len-1] == '\n' || buf[len-1] == '\r')
322 ? buf[--len] : 0;
323
324 #ifdef ICONV_CONST
325 if (ic != (iconv_t)-1) {
326 xbuf outbuf, inbuf;
327 char convbuf[1024];
328 int ierrno;
329
330 INIT_CONST_XBUF(outbuf, convbuf);
331 INIT_XBUF(inbuf, (char*)buf, len, -1);
332
333 while (inbuf.len) {
334 iconvbufs(ic, &inbuf, &outbuf, 0);
335 ierrno = errno;
336 if (outbuf.len) {
337 filtered_fwrite(f, convbuf, outbuf.len, 0);
338 outbuf.len = 0;
339 }
340 if (!ierrno || ierrno == E2BIG)
341 continue;
342 fprintf(f, "\\#%03o", CVAL(inbuf.buf, inbuf.pos++));
343 inbuf.len--;
344 }
345 } else
346 #endif
347 filtered_fwrite(f, buf, len, !allow_8bit_chars);
348
349 if (trailing_CR_or_NL) {
350 fputc(trailing_CR_or_NL, f);
351 fflush(f);
352 }
353 }
354
355 /* This is the rsync debugging function. Call it with FINFO, FERROR_*,
356 * FWARNING, FLOG, or FCLIENT. */
357 void rprintf(enum logcode code, const char *format, ...)
358 {
359 va_list ap;
360 char buf[BIGPATHBUFLEN];
361 size_t len;
362
363 va_start(ap, format);
364 len = vsnprintf(buf, sizeof buf, format, ap);
365 va_end(ap);
366
367 /* Deal with buffer overruns. Instead of panicking, just
368 * truncate the resulting string. (Note that configure ensures
369 * that we have a vsnprintf() that doesn't ever return -1.) */
370 if (len > sizeof buf - 1) {
371 static const char ellipsis[] = "[...]";
372
373 /* Reset length, and zero-terminate the end of our buffer */
374 len = sizeof buf - 1;
375 buf[len] = '\0';
376
377 /* Copy the ellipsis to the end of the string, but give
378 * us one extra character:
379 *
380 * v--- null byte at buf[sizeof buf - 1]
381 * abcdefghij0
382 * -> abcd[...]00 <-- now two null bytes at end
383 *
384 * If the input format string has a trailing newline,
385 * we copy it into that extra null; if it doesn't, well,
386 * all we lose is one byte. */
387 memcpy(buf+len-sizeof ellipsis, ellipsis, sizeof ellipsis);
388 if (format[strlen(format)-1] == '\n') {
389 buf[len-1] = '\n';
390 }
391 }
392
393 rwrite(code, buf, len, 0);
394 }
395
396 /* This is like rprintf, but it also tries to print some
397 * representation of the error code. Normally errcode = errno.
398 *
399 * Unlike rprintf, this always adds a newline and there should not be
400 * one in the format string.
401 *
402 * Note that since strerror might involve dynamically loading a
403 * message catalog we need to call it once before chroot-ing. */
404 void rsyserr(enum logcode code, int errcode, const char *format, ...)
405 {
406 va_list ap;
407 char buf[BIGPATHBUFLEN];
408 size_t len;
409
410 strlcpy(buf, RSYNC_NAME ": ", sizeof buf);
411 len = (sizeof RSYNC_NAME ": ") - 1;
412
413 va_start(ap, format);
414 len += vsnprintf(buf + len, sizeof buf - len, format, ap);
415 va_end(ap);
416
417 if (len < sizeof buf) {
418 len += snprintf(buf + len, sizeof buf - len,
419 ": %s (%d)\n", strerror(errcode), errcode);
420 }
421 if (len >= sizeof buf)
422 exit_cleanup(RERR_MESSAGEIO);
423
424 rwrite(code, buf, len, 0);
425 }
426
427 void rflush(enum logcode code)
428 {
429 FILE *f = NULL;
430
431 if (am_daemon || code == FLOG)
432 return;
433
434 if (code == FINFO && !am_server)
435 f = stdout;
436 else
437 f = stderr;
438
439 fflush(f);
440 }
441
442 /* A generic logging routine for send/recv, with parameter substitiution. */
443 static void log_formatted(enum logcode code, const char *format, const char *op,
444 struct file_struct *file, const char *fname,
445 struct stats *initial_stats, int iflags,
446 const char *hlink)
447 {
448 char buf[MAXPATHLEN+1024], buf2[MAXPATHLEN], fmt[32];
449 char *p, *s, *c;
450 const char *n;
451 size_t len, total;
452 int64 b;
453
454 *fmt = '%';
455
456 /* We expand % codes one by one in place in buf. We don't
457 * copy in the terminating null of the inserted strings, but
458 * rather keep going until we reach the null of the format. */
459 total = strlcpy(buf, format, sizeof buf);
460 if (total > MAXPATHLEN) {
461 rprintf(FERROR, "log-format string is WAY too long!\n");
462 exit_cleanup(RERR_MESSAGEIO);
463 }
464 buf[total++] = '\n';
465 buf[total] = '\0';
466
467 for (p = buf; (p = strchr(p, '%')) != NULL; ) {
468 s = p++;
469 c = fmt + 1;
470 if (*p == '-')
471 *c++ = *p++;
472 while (isDigit(p) && c - fmt < (int)(sizeof fmt) - 8)
473 *c++ = *p++;
474 if (!*p)
475 break;
476 *c = '\0';
477 n = NULL;
478
479 switch (*p) {
480 case 'h':
481 if (am_daemon)
482 n = client_name(0);
483 break;
484 case 'a':
485 if (am_daemon)
486 n = client_addr(0);
487 break;
488 case 'l':
489 strlcat(fmt, ".0f", sizeof fmt);
490 snprintf(buf2, sizeof buf2, fmt,
491 (double)F_LENGTH(file));
492 n = buf2;
493 break;
494 case 'U':
495 strlcat(fmt, "u", sizeof fmt);
496 snprintf(buf2, sizeof buf2, fmt,
497 uid_ndx ? F_OWNER(file) : 0);
498 n = buf2;
499 break;
500 case 'G':
501 if (!gid_ndx || file->flags & FLAG_SKIP_GROUP)
502 n = "DEFAULT";
503 else {
504 strlcat(fmt, "u", sizeof fmt);
505 snprintf(buf2, sizeof buf2, fmt,
506 F_GROUP(file));
507 n = buf2;
508 }
509 break;
510 case 'p':
511 strlcat(fmt, "ld", sizeof fmt);
512 snprintf(buf2, sizeof buf2, fmt,
513 (long)getpid());
514 n = buf2;
515 break;
516 case 'M':
517 n = c = timestring(file->modtime);
518 while ((c = strchr(p, ' ')) != NULL)
519 *c = '-';
520 break;
521 case 'B':
522 c = buf2 + MAXPATHLEN - PERMSTRING_SIZE - 1;
523 permstring(c, file->mode);
524 n = c + 1; /* skip the type char */
525 break;
526 case 'o':
527 n = op;
528 break;
529 case 'f':
530 if (fname) {
531 c = f_name_buf();
532 strlcpy(c, fname, MAXPATHLEN);
533 } else
534 c = f_name(file, NULL);
535 if (am_sender && F_PATHNAME(file)) {
536 pathjoin(buf2, sizeof buf2,
537 F_PATHNAME(file), c);
538 clean_fname(buf2, 0);
539 if (fmt[1]) {
540 strlcpy(c, buf2, MAXPATHLEN);
541 n = c;
542 } else
543 n = buf2;
544 } else if (am_daemon && *c != '/') {
545 pathjoin(buf2, sizeof buf2,
546 curr_dir + module_dirlen, c);
547 clean_fname(buf2, 0);
548 if (fmt[1]) {
549 strlcpy(c, buf2, MAXPATHLEN);
550 n = c;
551 } else
552 n = buf2;
553 } else {
554 clean_fname(c, 0);
555 n = c;
556 }
557 if (*n == '/')
558 n++;
559 break;
560 case 'n':
561 if (fname) {
562 c = f_name_buf();
563 strlcpy(c, fname, MAXPATHLEN);
564 } else
565 c = f_name(file, NULL);
566 if (S_ISDIR(file->mode))
567 strlcat(c, "/", MAXPATHLEN);
568 n = c;
569 break;
570 case 'L':
571 if (hlink && *hlink) {
572 n = hlink;
573 strlcpy(buf2, " => ", sizeof buf2);
574 } else if (S_ISLNK(file->mode) && !fname) {
575 n = F_SYMLINK(file);
576 strlcpy(buf2, " -> ", sizeof buf2);
577 } else {
578 n = "";
579 if (!fmt[1])
580 break;
581 strlcpy(buf2, " ", sizeof buf2);
582 }
583 strlcat(fmt, "s", sizeof fmt);
584 snprintf(buf2 + 4, sizeof buf2 - 4, fmt, n);
585 n = buf2;
586 break;
587 case 'm':
588 n = lp_name(module_id);
589 break;
590 case 't':
591 n = timestring(time(NULL));
592 break;
593 case 'P':
594 n = module_dir;
595 break;
596 case 'u':
597 n = auth_user;
598 break;
599 case 'b':
600 if (am_sender) {
601 b = stats.total_written -
602 initial_stats->total_written;
603 } else {
604 b = stats.total_read -
605 initial_stats->total_read;
606 }
607 strlcat(fmt, ".0f", sizeof fmt);
608 snprintf(buf2, sizeof buf2, fmt, (double)b);
609 n = buf2;
610 break;
611 case 'c':
612 if (!am_sender) {
613 b = stats.total_written -
614 initial_stats->total_written;
615 } else {
616 b = stats.total_read -
617 initial_stats->total_read;
618 }
619 strlcat(fmt, ".0f", sizeof fmt);
620 snprintf(buf2, sizeof buf2, fmt, (double)b);
621 n = buf2;
622 break;
623 case 'i':
624 if (iflags & ITEM_DELETED) {
625 n = "*deleting";
626 break;
627 }
628 n = c = buf2 + MAXPATHLEN - 32;
629 c[0] = iflags & ITEM_LOCAL_CHANGE
630 ? iflags & ITEM_XNAME_FOLLOWS ? 'h' : 'c'
631 : !(iflags & ITEM_TRANSFER) ? '.'
632 : !local_server && *op == 's' ? '<' : '>';
633 c[1] = S_ISDIR(file->mode) ? 'd'
634 : IS_SPECIAL(file->mode) ? 'S'
635 : IS_DEVICE(file->mode) ? 'D'
636 : S_ISLNK(file->mode) ? 'L' : 'f';
637 c[2] = !(iflags & ITEM_REPORT_CHECKSUM) ? '.' : 'c';
638 c[3] = !(iflags & ITEM_REPORT_SIZE) ? '.' : 's';
639 c[4] = !(iflags & ITEM_REPORT_TIME) ? '.'
640 : !preserve_times || S_ISLNK(file->mode) ? 'T' : 't';
641 c[5] = !(iflags & ITEM_REPORT_PERMS) ? '.' : 'p';
642 c[6] = !(iflags & ITEM_REPORT_OWNER) ? '.' : 'o';
643 c[7] = !(iflags & ITEM_REPORT_GROUP) ? '.' : 'g';
644 c[8] = !(iflags & ITEM_REPORT_ATIME) ? '.' : 'u';
645 c[9] = !(iflags & ITEM_REPORT_ACL) ? '.' : 'a';
646 c[10] = !(iflags & ITEM_REPORT_XATTR) ? '.' : 'x';
647 c[11] = '\0';
648
649 if (iflags & (ITEM_IS_NEW|ITEM_MISSING_DATA)) {
650 char ch = iflags & ITEM_IS_NEW ? '+' : '?';
651 int i;
652 for (i = 2; c[i]; i++)
653 c[i] = ch;
654 } else if (c[0] == '.' || c[0] == 'h' || c[0] == 'c') {
655 int i;
656 for (i = 2; c[i]; i++) {
657 if (c[i] != '.')
658 break;
659 }
660 if (!c[i]) {
661 for (i = 2; c[i]; i++)
662 c[i] = ' ';
663 }
664 }
665 break;
666 }
667
668 /* "n" is the string to be inserted in place of this % code. */
669 if (!n)
670 continue;
671 if (n != buf2 && fmt[1]) {
672 strlcat(fmt, "s", sizeof fmt);
673 snprintf(buf2, sizeof buf2, fmt, n);
674 n = buf2;
675 }
676 len = strlen(n);
677
678 /* Subtract the length of the escape from the string's size. */
679 total -= p - s + 1;
680
681 if (len + total >= (size_t)sizeof buf) {
682 rprintf(FERROR,
683 "buffer overflow expanding %%%c -- exiting\n",
684 p[0]);
685 exit_cleanup(RERR_MESSAGEIO);
686 }
687
688 /* Shuffle the rest of the string along to make space for n */
689 if (len != (size_t)(p - s + 1))
690 memmove(s + len, p + 1, total - (s - buf) + 1);
691 total += len;
692
693 /* Insert the contents of string "n", but NOT its null. */
694 if (len)
695 memcpy(s, n, len);
696
697 /* Skip over inserted string; continue looking */
698 p = s + len;
699 }
700
701 rwrite(code, buf, total, 0);
702 }
703
704 /* Return 1 if the format escape is in the log-format string (e.g. look for
705 * the 'b' in the "%9b" format escape). */
706 int log_format_has(const char *format, char esc)
707 {
708 const char *p;
709
710 if (!format)
711 return 0;
712
713 for (p = format; (p = strchr(p, '%')) != NULL; ) {
714 if (*++p == '-')
715 p++;
716 while (isDigit(p))
717 p++;
718 if (!*p)
719 break;
720 if (*p == esc)
721 return 1;
722 }
723 return 0;
724 }
725
726 /* Log the transfer of a file. If the code is FCLIENT, the output just goes
727 * to stdout. If it is FLOG, it just goes to the log file. Otherwise we
728 * output to both. */
729 void log_item(enum logcode code, struct file_struct *file,
730 struct stats *initial_stats, int iflags, const char *hlink)
731 {
732 const char *s_or_r = am_sender ? "send" : "recv";
733
734 if (code != FLOG && stdout_format && !am_server) {
735 log_formatted(FCLIENT, stdout_format, s_or_r,
736 file, NULL, initial_stats, iflags, hlink);
737 }
738 if (code != FCLIENT && logfile_format && *logfile_format) {
739 log_formatted(FLOG, logfile_format, s_or_r,
740 file, NULL, initial_stats, iflags, hlink);
741 }
742 }
743
744 void maybe_log_item(struct file_struct *file, int iflags, int itemizing,
745 const char *buf)
746 {
747 int significant_flags = iflags & SIGNIFICANT_ITEM_FLAGS;
748 int see_item = itemizing && (significant_flags || *buf
749 || stdout_format_has_i > 1 || (verbose > 1 && stdout_format_has_i));
750 int local_change = iflags & ITEM_LOCAL_CHANGE && significant_flags;
751 if (am_server) {
752 if (logfile_name && !dry_run && see_item
753 && (significant_flags || logfile_format_has_i))
754 log_item(FLOG, file, &stats, iflags, buf);
755 } else if (see_item || local_change || *buf
756 || (S_ISDIR(file->mode) && significant_flags)) {
757 enum logcode code = significant_flags || logfile_format_has_i ? FINFO : FCLIENT;
758 log_item(code, file, &stats, iflags, buf);
759 }
760 }
761
762 void log_delete(const char *fname, int mode)
763 {
764 static struct {
765 union file_extras ex[4]; /* just in case... */
766 struct file_struct file;
767 } x;
768 int len = strlen(fname);
769 const char *fmt;
770
771 x.file.mode = mode;
772
773 if (!verbose && !stdout_format)
774 ;
775 else if (am_server && protocol_version >= 29 && len < MAXPATHLEN) {
776 if (S_ISDIR(mode))
777 len++; /* directories include trailing null */
778 send_msg(MSG_DELETED, fname, len, am_generator);
779 } else {
780 fmt = stdout_format_has_o_or_i ? stdout_format : "deleting %n";
781 log_formatted(FCLIENT, fmt, "del.", &x.file, fname, &stats,
782 ITEM_DELETED, NULL);
783 }
784
785 if (!logfile_name || dry_run || !logfile_format)
786 return;
787
788 fmt = logfile_format_has_o_or_i ? logfile_format : "deleting %n";
789 log_formatted(FLOG, fmt, "del.", &x.file, fname, &stats, ITEM_DELETED, NULL);
790 }
791
792 /*
793 * Called when the transfer is interrupted for some reason.
794 *
795 * Code is one of the RERR_* codes from errcode.h, or terminating
796 * successfully.
797 */
798 void log_exit(int code, const char *file, int line)
799 {
800 if (code == 0) {
801 rprintf(FLOG,"sent %.0f bytes received %.0f bytes total size %.0f\n",
802 (double)stats.total_written,
803 (double)stats.total_read,
804 (double)stats.total_size);
805 } else if (am_server != 2) {
806 const char *name;
807
808 name = rerr_name(code);
809 if (!name)
810 name = "unexplained error";
811
812 /* VANISHED is not an error, only a warning */
813 if (code == RERR_VANISHED) {
814 rprintf(FWARNING, "rsync warning: %s (code %d) at %s(%d) [%s=%s]\n",
815 name, code, file, line, who_am_i(), RSYNC_VERSION);
816 } else {
817 rprintf(FERROR, "rsync error: %s (code %d) at %s(%d) [%s=%s]\n",
818 name, code, file, line, who_am_i(), RSYNC_VERSION);
819 }
820 }
821 }
rsync: a fast, versatile, remote (and local) file-copying tool