Annotation of embedaddon/rsync/log.c, revision 1.1
1.1 ! misho 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: }
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