/* * Logging and utility functions. * * Copyright (C) 1998-2001 Andrew Tridgell * Copyright (C) 2000-2001 Martin Pool * Copyright (C) 2003-2009 Wayne Davison * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, visit the http://fsf.org website. */ #include "rsync.h" #include "itypes.h" #include "inums.h" extern int dry_run; extern int am_daemon; extern int am_server; extern int am_sender; extern int am_generator; extern int local_server; extern int quiet; extern int module_id; extern int checksum_len; extern int allow_8bit_chars; extern int protocol_version; extern int always_checksum; extern int preserve_times; extern int msgs2stderr; extern int stdout_format_has_i; extern int stdout_format_has_o_or_i; extern int logfile_format_has_i; extern int logfile_format_has_o_or_i; extern int receiver_symlink_times; extern int64 total_data_written; extern int64 total_data_read; extern mode_t orig_umask; extern char *auth_user; extern char *stdout_format; extern char *logfile_format; extern char *logfile_name; #ifdef ICONV_CONST extern iconv_t ic_chck; #endif #ifdef ICONV_OPTION extern iconv_t ic_recv; #endif extern char curr_dir[MAXPATHLEN]; extern char *full_module_path; extern unsigned int module_dirlen; extern char sender_file_sum[MAX_DIGEST_LEN]; extern const char undetermined_hostname[]; static int log_initialised; static int logfile_was_closed; static FILE *logfile_fp; struct stats stats; int got_xfer_error = 0; int output_needs_newline = 0; int send_msgs_to_gen = 0; static int64 initial_data_written; static int64 initial_data_read; struct { int code; char const *name; } const rerr_names[] = { { RERR_SYNTAX , "syntax or usage error" }, { RERR_PROTOCOL , "protocol incompatibility" }, { RERR_FILESELECT , "errors selecting input/output files, dirs" }, { RERR_UNSUPPORTED, "requested action not supported" }, { RERR_STARTCLIENT, "error starting client-server protocol" }, { RERR_SOCKETIO , "error in socket IO" }, { RERR_FILEIO , "error in file IO" }, { RERR_STREAMIO , "error in rsync protocol data stream" }, { RERR_MESSAGEIO , "errors with program diagnostics" }, { RERR_IPC , "error in IPC code" }, { RERR_CRASHED , "sibling process crashed" }, { RERR_TERMINATED , "sibling process terminated abnormally" }, { RERR_SIGNAL1 , "received SIGUSR1" }, { RERR_SIGNAL , "received SIGINT, SIGTERM, or SIGHUP" }, { RERR_WAITCHILD , "waitpid() failed" }, { RERR_MALLOC , "error allocating core memory buffers" }, { RERR_PARTIAL , "some files/attrs were not transferred (see previous errors)" }, { RERR_VANISHED , "some files vanished before they could be transferred" }, { RERR_DEL_LIMIT , "the --max-delete limit stopped deletions" }, { RERR_TIMEOUT , "timeout in data send/receive" }, { RERR_CONTIMEOUT , "timeout waiting for daemon connection" }, { RERR_CMD_FAILED , "remote shell failed" }, { RERR_CMD_KILLED , "remote shell killed" }, { RERR_CMD_RUN , "remote command could not be run" }, { RERR_CMD_NOTFOUND,"remote command not found" }, { 0, NULL } }; /* * Map from rsync error code to name, or return NULL. */ static char const *rerr_name(int code) { int i; for (i = 0; rerr_names[i].name; i++) { if (rerr_names[i].code == code) return rerr_names[i].name; } return NULL; } static void logit(int priority, const char *buf) { if (logfile_was_closed) logfile_reopen(); if (logfile_fp) { fprintf(logfile_fp, "%s [%d] %s", timestring(time(NULL)), (int)getpid(), buf); fflush(logfile_fp); } else { syslog(priority, "%s", buf); } } static void syslog_init() { static int been_here = 0; int options = LOG_PID; if (been_here) return; been_here = 1; #ifdef LOG_NDELAY options |= LOG_NDELAY; #endif #ifdef LOG_DAEMON openlog("rsyncd", options, lp_syslog_facility(module_id)); #else openlog("rsyncd", options); #endif #ifndef LOG_NDELAY logit(LOG_INFO, "rsyncd started\n"); #endif } static void logfile_open(void) { mode_t old_umask = umask(022 | orig_umask); logfile_fp = fopen(logfile_name, "a"); umask(old_umask); if (!logfile_fp) { int fopen_errno = errno; /* Rsync falls back to using syslog on failure. */ syslog_init(); rsyserr(FERROR, fopen_errno, "failed to open log-file %s", logfile_name); rprintf(FINFO, "Ignoring \"log file\" setting.\n"); } } void log_init(int restart) { if (log_initialised) { if (!restart) return; if (strcmp(logfile_name, lp_log_file(module_id)) != 0) { if (logfile_fp) { fclose(logfile_fp); logfile_fp = NULL; } else closelog(); logfile_name = NULL; } else if (*logfile_name) return; /* unchanged, non-empty "log file" names */ else if (lp_syslog_facility(-1) != lp_syslog_facility(module_id)) closelog(); else return; /* unchanged syslog settings */ } else log_initialised = 1; /* This looks pointless, but it is needed in order for the * C library on some systems to fetch the timezone info * before the chroot. */ timestring(time(NULL)); /* Optionally use a log file instead of syslog. (Non-daemon * rsyncs will have already set logfile_name, as needed.) */ if (am_daemon && !logfile_name) logfile_name = lp_log_file(module_id); if (logfile_name && *logfile_name) logfile_open(); else syslog_init(); } void logfile_close(void) { if (logfile_fp) { logfile_was_closed = 1; fclose(logfile_fp); logfile_fp = NULL; } } void logfile_reopen(void) { if (logfile_was_closed) { logfile_was_closed = 0; logfile_open(); } } static void filtered_fwrite(FILE *f, const char *buf, int len, int use_isprint) { const char *s, *end = buf + len; for (s = buf; s < end; s++) { if ((s < end - 4 && *s == '\\' && s[1] == '#' && isDigit(s + 2) && isDigit(s + 3) && isDigit(s + 4)) || (*s != '\t' && ((use_isprint && !isPrint(s)) || *(uchar*)s < ' '))) { if (s != buf && fwrite(buf, s - buf, 1, f) != 1) exit_cleanup(RERR_MESSAGEIO); fprintf(f, "\\#%03o", *(uchar*)s); buf = s + 1; } } if (buf != end && fwrite(buf, end - buf, 1, f) != 1) exit_cleanup(RERR_MESSAGEIO); } /* this is the underlying (unformatted) rsync debugging function. Call * it with FINFO, FERROR_*, FWARNING, FLOG, or FCLIENT. Note: recursion * can happen with certain fatal conditions. */ void rwrite(enum logcode code, const char *buf, int len, int is_utf8) { int trailing_CR_or_NL; FILE *f = msgs2stderr ? stderr : stdout; #ifdef ICONV_OPTION iconv_t ic = is_utf8 && ic_recv != (iconv_t)-1 ? ic_recv : ic_chck; #else #ifdef ICONV_CONST iconv_t ic = ic_chck; #endif #endif if (len < 0) exit_cleanup(RERR_MESSAGEIO); if (msgs2stderr) { if (!am_daemon) { if (code == FLOG) return; goto output_msg; } if (code == FCLIENT) return; code = FLOG; } else if (send_msgs_to_gen) { assert(!is_utf8); /* Pass the message to our sibling in native charset. */ send_msg((enum msgcode)code, buf, len, 0); return; } if (code == FERROR_SOCKET) /* This gets simplified for a non-sibling. */ code = FERROR; else if (code == FERROR_UTF8) { is_utf8 = 1; code = FERROR; } if (code == FCLIENT) code = FINFO; else if (am_daemon || logfile_name) { static int in_block; char msg[2048]; int priority = code == FINFO || code == FLOG ? LOG_INFO : LOG_WARNING; if (in_block) return; in_block = 1; if (!log_initialised) log_init(0); strlcpy(msg, buf, MIN((int)sizeof msg, len + 1)); logit(priority, msg); in_block = 0; if (code == FLOG || (am_daemon && !am_server)) return; } else if (code == FLOG) return; if (quiet && code == FINFO) return; if (am_server) { enum msgcode msg = (enum msgcode)code; if (protocol_version < 30) { if (msg == MSG_ERROR) msg = MSG_ERROR_XFER; else if (msg == MSG_WARNING) msg = MSG_INFO; } /* Pass the message to the non-server side. */ if (send_msg(msg, buf, len, !is_utf8)) return; if (am_daemon) { /* TODO: can we send the error to the user somehow? */ return; } f = stderr; } output_msg: switch (code) { case FERROR_XFER: got_xfer_error = 1; /* FALL THROUGH */ case FERROR: case FERROR_UTF8: case FERROR_SOCKET: case FWARNING: f = stderr; break; case FLOG: case FINFO: case FCLIENT: break; default: fprintf(stderr, "Unknown logcode in rwrite(): %d [%s]\n", (int)code, who_am_i()); exit_cleanup(RERR_MESSAGEIO); } if (output_needs_newline) { fputc('\n', f); output_needs_newline = 0; } trailing_CR_or_NL = len && (buf[len-1] == '\n' || buf[len-1] == '\r') ? buf[--len] : 0; if (len && buf[0] == '\r') { fputc('\r', f); buf++; len--; } #ifdef ICONV_CONST if (ic != (iconv_t)-1) { xbuf outbuf, inbuf; char convbuf[1024]; int ierrno; INIT_CONST_XBUF(outbuf, convbuf); INIT_XBUF(inbuf, (char*)buf, len, (size_t)-1); while (inbuf.len) { iconvbufs(ic, &inbuf, &outbuf, inbuf.pos ? 0 : ICB_INIT); ierrno = errno; if (outbuf.len) { filtered_fwrite(f, convbuf, outbuf.len, 0); outbuf.len = 0; } if (!ierrno || ierrno == E2BIG) continue; fprintf(f, "\\#%03o", CVAL(inbuf.buf, inbuf.pos++)); inbuf.len--; } } else #endif filtered_fwrite(f, buf, len, !allow_8bit_chars); if (trailing_CR_or_NL) { fputc(trailing_CR_or_NL, f); fflush(f); } } /* This is the rsync debugging function. Call it with FINFO, FERROR_*, * FWARNING, FLOG, or FCLIENT. */ void rprintf(enum logcode code, const char *format, ...) { va_list ap; char buf[BIGPATHBUFLEN]; size_t len; va_start(ap, format); len = vsnprintf(buf, sizeof buf, format, ap); va_end(ap); /* Deal with buffer overruns. Instead of panicking, just * truncate the resulting string. (Note that configure ensures * that we have a vsnprintf() that doesn't ever return -1.) */ if (len > sizeof buf - 1) { static const char ellipsis[] = "[...]"; /* Reset length, and zero-terminate the end of our buffer */ len = sizeof buf - 1; buf[len] = '\0'; /* Copy the ellipsis to the end of the string, but give * us one extra character: * * v--- null byte at buf[sizeof buf - 1] * abcdefghij0 * -> abcd[...]00 <-- now two null bytes at end * * If the input format string has a trailing newline, * we copy it into that extra null; if it doesn't, well, * all we lose is one byte. */ memcpy(buf+len-sizeof ellipsis, ellipsis, sizeof ellipsis); if (format[strlen(format)-1] == '\n') { buf[len-1] = '\n'; } } rwrite(code, buf, len, 0); } /* This is like rprintf, but it also tries to print some * representation of the error code. Normally errcode = errno. * * Unlike rprintf, this always adds a newline and there should not be * one in the format string. * * Note that since strerror might involve dynamically loading a * message catalog we need to call it once before chroot-ing. */ void rsyserr(enum logcode code, int errcode, const char *format, ...) { va_list ap; char buf[BIGPATHBUFLEN]; size_t len; strlcpy(buf, RSYNC_NAME ": ", sizeof buf); len = (sizeof RSYNC_NAME ": ") - 1; va_start(ap, format); len += vsnprintf(buf + len, sizeof buf - len, format, ap); va_end(ap); if (len < sizeof buf) { len += snprintf(buf + len, sizeof buf - len, ": %s (%d)\n", strerror(errcode), errcode); } if (len >= sizeof buf) exit_cleanup(RERR_MESSAGEIO); rwrite(code, buf, len, 0); } void rflush(enum logcode code) { FILE *f; if (am_daemon || code == FLOG) return; if (!am_server && (code == FINFO || code == FCLIENT)) f = stdout; else f = stderr; fflush(f); } void remember_initial_stats(void) { initial_data_read = total_data_read; initial_data_written = total_data_written; } /* A generic logging routine for send/recv, with parameter substitiution. */ static void log_formatted(enum logcode code, const char *format, const char *op, struct file_struct *file, const char *fname, int iflags, const char *hlink) { char buf[MAXPATHLEN+1024], buf2[MAXPATHLEN], fmt[32]; char *p, *s, *c; const char *n; size_t len, total; int64 b; *fmt = '%'; /* We expand % codes one by one in place in buf. We don't * copy in the terminating null of the inserted strings, but * rather keep going until we reach the null of the format. */ total = strlcpy(buf, format, sizeof buf); if (total > MAXPATHLEN) { rprintf(FERROR, "log-format string is WAY too long!\n"); exit_cleanup(RERR_MESSAGEIO); } buf[total++] = '\n'; buf[total] = '\0'; for (p = buf; (p = strchr(p, '%')) != NULL; ) { int humanize = 0; s = p++; c = fmt + 1; while (*p == '\'') { humanize++; p++; } if (*p == '-') *c++ = *p++; while (isDigit(p) && c - fmt < (int)(sizeof fmt) - 8) *c++ = *p++; while (*p == '\'') { humanize++; p++; } if (!*p) break; *c = '\0'; n = NULL; /* Note for %h and %a: it doesn't matter what fd we pass to * client_{name,addr} because rsync_module will already have * forced the answer to be cached (assuming, of course, for %h * that lp_reverse_lookup(module_id) is true). */ switch (*p) { case 'h': if (am_daemon) { n = lp_reverse_lookup(module_id) ? client_name(0) : undetermined_hostname; } break; case 'a': if (am_daemon) n = client_addr(0); break; case 'l': strlcat(fmt, "s", sizeof fmt); snprintf(buf2, sizeof buf2, fmt, do_big_num(F_LENGTH(file), humanize, NULL)); n = buf2; break; case 'U': strlcat(fmt, "u", sizeof fmt); snprintf(buf2, sizeof buf2, fmt, uid_ndx ? F_OWNER(file) : 0); n = buf2; break; case 'G': if (!gid_ndx || file->flags & FLAG_SKIP_GROUP) n = "DEFAULT"; else { strlcat(fmt, "u", sizeof fmt); snprintf(buf2, sizeof buf2, fmt, F_GROUP(file)); n = buf2; } break; case 'p': strlcat(fmt, "ld", sizeof fmt); snprintf(buf2, sizeof buf2, fmt, (long)getpid()); n = buf2; break; case 'M': n = c = timestring(file->modtime); while ((c = strchr(c, ' ')) != NULL) *c = '-'; break; case 'B': c = buf2 + MAXPATHLEN - PERMSTRING_SIZE - 1; permstring(c, file->mode); n = c + 1; /* skip the type char */ break; case 'o': n = op; break; case 'f': if (fname) { c = f_name_buf(); strlcpy(c, fname, MAXPATHLEN); } else c = f_name(file, NULL); if (am_sender && F_PATHNAME(file)) { pathjoin(buf2, sizeof buf2, F_PATHNAME(file), c); clean_fname(buf2, 0); if (fmt[1]) { strlcpy(c, buf2, MAXPATHLEN); n = c; } else n = buf2; } else if (am_daemon && *c != '/') { pathjoin(buf2, sizeof buf2, curr_dir + module_dirlen, c); clean_fname(buf2, 0); if (fmt[1]) { strlcpy(c, buf2, MAXPATHLEN); n = c; } else n = buf2; } else { clean_fname(c, 0); n = c; } if (*n == '/') n++; break; case 'n': if (fname) { c = f_name_buf(); strlcpy(c, fname, MAXPATHLEN); } else c = f_name(file, NULL); if (S_ISDIR(file->mode)) strlcat(c, "/", MAXPATHLEN); n = c; break; case 'L': if (hlink && *hlink) { n = hlink; strlcpy(buf2, " => ", sizeof buf2); } else if (S_ISLNK(file->mode) && !fname) { n = F_SYMLINK(file); strlcpy(buf2, " -> ", sizeof buf2); } else { n = ""; if (!fmt[1]) break; strlcpy(buf2, " ", sizeof buf2); } strlcat(fmt, "s", sizeof fmt); snprintf(buf2 + 4, sizeof buf2 - 4, fmt, n); n = buf2; break; case 'm': n = lp_name(module_id); break; case 't': n = timestring(time(NULL)); break; case 'P': n = full_module_path; break; case 'u': n = auth_user; break; case 'b': if (!(iflags & ITEM_TRANSFER)) b = 0; else if (am_sender) b = total_data_written - initial_data_written; else b = total_data_read - initial_data_read; strlcat(fmt, "s", sizeof fmt); snprintf(buf2, sizeof buf2, fmt, do_big_num(b, humanize, NULL)); n = buf2; break; case 'c': if (!(iflags & ITEM_TRANSFER)) b = 0; else if (!am_sender) b = total_data_written - initial_data_written; else b = total_data_read - initial_data_read; strlcat(fmt, "s", sizeof fmt); snprintf(buf2, sizeof buf2, fmt, do_big_num(b, humanize, NULL)); n = buf2; break; case 'C': if (protocol_version >= 30 && (iflags & ITEM_TRANSFER || (always_checksum && S_ISREG(file->mode)))) { int i, x1, x2; const char *sum = iflags & ITEM_TRANSFER ? sender_file_sum : F_SUM(file); c = buf2 + checksum_len*2; *c = '\0'; for (i = checksum_len; --i >= 0; ) { x1 = CVAL(sum, i); x2 = x1 >> 4; x1 &= 0xF; *--c = x1 <= 9 ? x1 + '0' : x1 + 'a' - 10; *--c = x2 <= 9 ? x2 + '0' : x2 + 'a' - 10; } } else { memset(buf2, ' ', checksum_len*2); buf2[checksum_len*2] = '\0'; } n = buf2; break; case 'i': if (iflags & ITEM_DELETED) { n = "*deleting "; break; } n = c = buf2 + MAXPATHLEN - 32; c[0] = iflags & ITEM_LOCAL_CHANGE ? iflags & ITEM_XNAME_FOLLOWS ? 'h' : 'c' : !(iflags & ITEM_TRANSFER) ? '.' : !local_server && *op == 's' ? '<' : '>'; if (S_ISLNK(file->mode)) { c[1] = 'L'; c[3] = '.'; c[4] = !(iflags & ITEM_REPORT_TIME) ? '.' : !preserve_times || !receiver_symlink_times || (iflags & ITEM_REPORT_TIMEFAIL) ? 'T' : 't'; } else { c[1] = S_ISDIR(file->mode) ? 'd' : IS_SPECIAL(file->mode) ? 'S' : IS_DEVICE(file->mode) ? 'D' : 'f'; c[3] = !(iflags & ITEM_REPORT_SIZE) ? '.' : 's'; c[4] = !(iflags & ITEM_REPORT_TIME) ? '.' : !preserve_times ? 'T' : 't'; } c[2] = !(iflags & ITEM_REPORT_CHANGE) ? '.' : 'c'; c[5] = !(iflags & ITEM_REPORT_PERMS) ? '.' : 'p'; c[6] = !(iflags & ITEM_REPORT_OWNER) ? '.' : 'o'; c[7] = !(iflags & ITEM_REPORT_GROUP) ? '.' : 'g'; c[8] = !(iflags & ITEM_REPORT_ATIME) ? '.' : 'u'; c[9] = !(iflags & ITEM_REPORT_ACL) ? '.' : 'a'; c[10] = !(iflags & ITEM_REPORT_XATTR) ? '.' : 'x'; c[11] = '\0'; if (iflags & (ITEM_IS_NEW|ITEM_MISSING_DATA)) { char ch = iflags & ITEM_IS_NEW ? '+' : '?'; int i; for (i = 2; c[i]; i++) c[i] = ch; } else if (c[0] == '.' || c[0] == 'h' || c[0] == 'c') { int i; for (i = 2; c[i]; i++) { if (c[i] != '.') break; } if (!c[i]) { for (i = 2; c[i]; i++) c[i] = ' '; } } break; } /* "n" is the string to be inserted in place of this % code. */ if (!n) continue; if (n != buf2 && fmt[1]) { strlcat(fmt, "s", sizeof fmt); snprintf(buf2, sizeof buf2, fmt, n); n = buf2; } len = strlen(n); /* Subtract the length of the escape from the string's size. */ total -= p - s + 1; if (len + total >= (size_t)sizeof buf) { rprintf(FERROR, "buffer overflow expanding %%%c -- exiting\n", p[0]); exit_cleanup(RERR_MESSAGEIO); } /* Shuffle the rest of the string along to make space for n */ if (len != (size_t)(p - s + 1)) memmove(s + len, p + 1, total - (s - buf) + 1); total += len; /* Insert the contents of string "n", but NOT its null. */ if (len) memcpy(s, n, len); /* Skip over inserted string; continue looking */ p = s + len; } rwrite(code, buf, total, 0); } /* Return 1 if the format escape is in the log-format string (e.g. look for * the 'b' in the "%9b" format escape). */ int log_format_has(const char *format, char esc) { const char *p; if (!format) return 0; for (p = format; (p = strchr(p, '%')) != NULL; ) { for (p++; *p == '\''; p++) {} /*SHARED ITERATOR*/ if (*p == '-') p++; while (isDigit(p)) p++; while (*p == '\'') p++; if (!*p) break; if (*p == esc) return 1; } return 0; } /* Log the transfer of a file. If the code is FCLIENT, the output just goes * to stdout. If it is FLOG, it just goes to the log file. Otherwise we * output to both. */ void log_item(enum logcode code, struct file_struct *file, int iflags, const char *hlink) { const char *s_or_r = am_sender ? "send" : "recv"; if (code != FLOG && stdout_format && !am_server) log_formatted(FCLIENT, stdout_format, s_or_r, file, NULL, iflags, hlink); if (code != FCLIENT && logfile_format && *logfile_format) log_formatted(FLOG, logfile_format, s_or_r, file, NULL, iflags, hlink); } void maybe_log_item(struct file_struct *file, int iflags, int itemizing, const char *buf) { int significant_flags = iflags & SIGNIFICANT_ITEM_FLAGS; int see_item = itemizing && (significant_flags || *buf || stdout_format_has_i > 1 || (INFO_GTE(NAME, 2) && stdout_format_has_i)); int local_change = iflags & ITEM_LOCAL_CHANGE && significant_flags; if (am_server) { if (logfile_name && !dry_run && see_item && (significant_flags || logfile_format_has_i)) log_item(FLOG, file, iflags, buf); } else if (see_item || local_change || *buf || (S_ISDIR(file->mode) && significant_flags)) { enum logcode code = significant_flags || logfile_format_has_i ? FINFO : FCLIENT; log_item(code, file, iflags, buf); } } void log_delete(const char *fname, int mode) { static struct { union file_extras ex[4]; /* just in case... */ struct file_struct file; } x; /* Zero-initialized due to static declaration. */ int len = strlen(fname); const char *fmt; x.file.mode = mode; if (!INFO_GTE(DEL, 1) && !stdout_format) ; else if (am_server && protocol_version >= 29 && len < MAXPATHLEN) { if (S_ISDIR(mode)) len++; /* directories include trailing null */ send_msg(MSG_DELETED, fname, len, am_generator); } else { fmt = stdout_format_has_o_or_i ? stdout_format : "deleting %n"; log_formatted(FCLIENT, fmt, "del.", &x.file, fname, ITEM_DELETED, NULL); } if (!logfile_name || dry_run || !logfile_format) return; fmt = logfile_format_has_o_or_i ? logfile_format : "deleting %n"; log_formatted(FLOG, fmt, "del.", &x.file, fname, ITEM_DELETED, NULL); } /* * Called when the transfer is interrupted for some reason. * * Code is one of the RERR_* codes from errcode.h, or terminating * successfully. */ void log_exit(int code, const char *file, int line) { if (code == 0) { rprintf(FLOG,"sent %s bytes received %s bytes total size %s\n", comma_num(stats.total_written), comma_num(stats.total_read), comma_num(stats.total_size)); } else if (am_server != 2) { const char *name; name = rerr_name(code); if (!name) name = "unexplained error"; /* VANISHED is not an error, only a warning */ if (code == RERR_VANISHED) { rprintf(FWARNING, "rsync warning: %s (code %d) at %s(%d) [%s=%s]\n", name, code, file, line, who_am_i(), RSYNC_VERSION); } else { rprintf(FERROR, "rsync error: %s (code %d) at %s(%d) [%s=%s]\n", name, code, file, line, who_am_i(), RSYNC_VERSION); } } }