/*

* Logging and utility functions.

*

* Copyright (C) 1998-2001 Andrew Tridgell <tridge@samba.org>

* Copyright (C) 2000-2001 Martin Pool <mbp@samba.org>

* Copyright (C) 2003-2014 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, "d", sizeof fmt);

snprintf(buf2, sizeof buf2, fmt, (int)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)))) {

const char *sum = iflags & ITEM_TRANSFER

? sender_file_sum : F_SUM(file);

n = sum_as_hex(sum);

} 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_FFLAGS) ? '.' : 'f';

c[9] = !(iflags & ITEM_REPORT_ACL) ? '.' : 'a';

c[10] = !(iflags & ITEM_REPORT_XATTR) ? '.' : 'x';

c[11] = !(iflags & ITEM_REPORT_CRTIME) ? '.' : 'n';

c[12] = '\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 (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 if (!INFO_GTE(DEL, 1) && !stdout_format)

;

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",

big_num(stats.total_written),

big_num(stats.total_read),

big_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);

}

}

}