extern char *log_format;
static int log_initialised;
+static int logfile_was_closed;
static char *logfname;
static FILE *logfile;
struct stats stats;
{ RERR_FILESELECT , "errors selecting input/output files, dirs" },
{ RERR_UNSUPPORTED, "requested action not supported" },
{ RERR_STARTCLIENT, "error starting client-server protocol" },
- { RERR_LOG_FAILURE, "daemon unable to append to log-file" },
{ RERR_SOCKETIO , "error in socket IO" },
{ RERR_FILEIO , "error in file IO" },
{ RERR_STREAMIO , "error in rsync protocol data stream" },
static void logit(int priority, char *buf)
{
- if (logfname) {
- if (!logfile)
- log_open();
+ if (logfile_was_closed)
+ logfile_reopen();
+ if (logfile) {
fprintf(logfile,"%s [%d] %s",
timestring(time(NULL)), (int)getpid(), buf);
fflush(logfile);
}
}
-void log_init(void)
+static void syslog_init()
{
+ static int been_here = 0;
int options = LOG_PID;
- time_t t;
- if (log_initialised)
+ if (been_here)
return;
- 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 */
- t = time(NULL);
- localtime(&t);
-
- /* optionally use a log file instead of syslog */
- logfname = lp_log_file();
- if (logfname) {
- if (*logfname) {
- log_open();
- return;
- }
- logfname = NULL;
- }
+ been_here = 1;
#ifdef LOG_NDELAY
options |= LOG_NDELAY;
#endif
#ifndef LOG_NDELAY
- logit(LOG_INFO,"rsyncd started\n");
+ logit(LOG_INFO, "rsyncd started\n");
#endif
}
-void log_open(void)
+static void logfile_open(void)
{
- if (logfname && !logfile) {
- extern int orig_umask;
- int old_umask = umask(022 | orig_umask);
- logfile = fopen(logfname, "a");
- umask(old_umask);
- if (!logfile) {
- am_daemon = 0; /* avoid trying to log again */
- rsyserr(FERROR, errno, "fopen() of log-file failed");
- exit_cleanup(RERR_LOG_FAILURE);
- }
+ extern int orig_umask;
+ int old_umask = umask(022 | orig_umask);
+ logfile = fopen(logfname, "a");
+ umask(old_umask);
+ if (!logfile) {
+ int fopen_errno = errno;
+ /* Rsync falls back to using syslog on failure. */
+ syslog_init();
+ rsyserr(FERROR, fopen_errno,
+ "failed to open log-file %s", logfname);
+ rprintf(FINFO, "Ignoring \"log file\" setting.\n");
}
}
-void log_close(void)
+void log_init(void)
+{
+ time_t t;
+
+ if (log_initialised)
+ return;
+ 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 */
+ t = time(NULL);
+ localtime(&t);
+
+ /* optionally use a log file instead of syslog */
+ logfname = lp_log_file();
+ if (logfname && *logfname)
+ logfile_open();
+ else
+ syslog_init();
+}
+
+void logfile_close(void)
{
if (logfile) {
+ logfile_was_closed = 1;
fclose(logfile);
logfile = NULL;
}
}
+void logfile_reopen(void)
+{
+ if (logfile_was_closed) {
+ logfile_was_closed = 0;
+ logfile_open();
+ }
+}
+
/* this is the underlying (unformatted) rsync debugging function. Call
* it with FINFO, FERROR or FLOG */
void rwrite(enum logcode code, char *buf, int len)
if (buf[len-1] == '\r' || buf[len-1] == '\n')
fflush(f);
}
-
+
/* This is the rsync debugging function. Call it with FINFO, FERROR or
* FLOG. */
void rflush(enum logcode code)
{
FILE *f = NULL;
-
+
if (am_daemon) {
return;
}
* 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; ) {
s = p++;
n = fmt + 1;
*n = '\0';
n = NULL;
- switch (*p++) {
+ switch (*p) {
case 'h': if (am_daemon) n = client_name(0); break;
case 'a': if (am_daemon) n = client_addr(0); break;
case 'l':
case 'P': n = lp_path(module_id); break;
case 'u': n = auth_user; break;
case 'b':
- strlcat(fmt, ".0f", sizeof fmt);
if (am_sender) {
b = stats.total_written -
initial_stats->total_written;
b = stats.total_read -
initial_stats->total_read;
}
+ strlcat(fmt, ".0f", sizeof fmt);
snprintf(buf2, sizeof buf2, fmt, (double)b);
n = buf2;
break;
case 'c':
- strlcat(fmt, ".0f", sizeof fmt);
if (!am_sender) {
b = stats.total_written -
initial_stats->total_written;
b = stats.total_read -
initial_stats->total_read;
}
+ strlcat(fmt, ".0f", sizeof fmt);
snprintf(buf2, sizeof buf2, fmt, (double)b);
n = buf2;
break;
int i;
for (i = 2; n[i]; i++)
n[i] = ch;
- } else if (!(iflags & (ITEM_TRANSFER|ITEM_LOCAL_CHANGE))) {
+ } else if (n[0] == '.' || n[0] == 'h') {
int i;
for (i = 2; n[i]; i++) {
if (n[i] != '.')
len = strlen(n);
/* Subtract the length of the escape from the string's size. */
- total -= p - s;
+ total -= p - s + 1;
- if (len + total >= sizeof buf) {
+ if (len + total >= (size_t)sizeof buf) {
rprintf(FERROR,
"buffer overflow expanding %%%c -- exiting\n",
- p[-1]);
+ p[0]);
exit_cleanup(RERR_MESSAGEIO);
}
/* Shuffle the rest of the string along to make space for n */
- if (len != (size_t)(p - s))
- memmove(s + len, p, total - (s - buf) + 1);
+ 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. */
p = s + len;
}
- rprintf(code, "%s\n", buf);
+ rwrite(code, buf, total);
}
+/* 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;
void maybe_log_item(struct file_struct *file, int iflags, int itemizing,
char *buf)
{
- int see_item = itemizing && (iflags || verbose > 1);
+ int significant_flags = iflags & SIGNIFICANT_ITEM_FLAGS;
+ int see_item = itemizing && (significant_flags || *buf || verbose > 1);
+ int local_change = iflags & ITEM_LOCAL_CHANGE
+ && (!(iflags & ITEM_XNAME_FOLLOWS) || significant_flags);
if (am_server) {
if (am_daemon && !dry_run && see_item)
log_item(file, &stats, iflags, buf);
- } else if (see_item || iflags & ITEM_LOCAL_CHANGE || *buf
- || (S_ISDIR(file->mode) && iflags & SIGNIFICANT_ITEM_FLAGS))
+ } else if (see_item || local_change || *buf
+ || (S_ISDIR(file->mode) && significant_flags))
log_item(file, &stats, iflags, buf);
}