{ 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)
+ if (!logfile) {
log_open();
+ if (!logfname) {
+ logit(priority, buf);
+ return;
+ }
+ }
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;
+
+ if (been_here)
+ return;
+ been_here = 1;
+
+#ifdef LOG_NDELAY
+ options |= LOG_NDELAY;
+#endif
+
+#ifdef LOG_DAEMON
+ openlog("rsyncd", options, lp_syslog_facility());
+#else
+ openlog("rsyncd", options);
+#endif
+
+#ifndef LOG_NDELAY
+ logit(LOG_INFO, "rsyncd started\n");
+#endif
+}
+
+void log_init(void)
+{
time_t t;
if (log_initialised)
logfname = NULL;
}
-#ifdef LOG_NDELAY
- options |= LOG_NDELAY;
-#endif
-
-#ifdef LOG_DAEMON
- openlog("rsyncd", options, lp_syslog_facility());
-#else
- openlog("rsyncd", options);
-#endif
-
-#ifndef LOG_NDELAY
- logit(LOG_INFO,"rsyncd started\n");
-#endif
+ syslog_init();
}
void log_open(void)
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);
+ char *had_logfname = logfname;
+ int open_errno = errno;
+ /* Rsync falls back to using syslog on failure. */
+ logfname = NULL;
+ syslog_init();
+ rsyserr(FERROR, open_errno,
+ "failed to open log-file %s", had_logfname);
+ rprintf(FINFO, "Ignoring \"log file\" setting.\n");
}
}
}
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;
}
*fmt = '%';
/* We expand % codes one by one in place in buf. We don't
- * copy in the terminating nul of the inserted strings, but
- * rather keep going until we reach the nul of the format. */
+ * 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);
-
- for (p = buf; (p = strchr(p, '%')) != NULL && p[1]; ) {
+ 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;
if (*p == '-')
*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':
n = buf2;
break;
case 'p':
- strlcat(fmt, "d", sizeof fmt);
+ strlcat(fmt, "ld", sizeof fmt);
snprintf(buf2, sizeof buf2, fmt,
- (int)getpid());
+ (long)getpid());
n = buf2;
break;
case 'o': n = op; break;
break;
case 'L':
if (hlink && *hlink) {
- snprintf(buf2, sizeof buf2, " => %s",
- safe_fname(hlink));
- n = buf2;
+ n = safe_fname(hlink);
+ strcpy(buf2, " => ");
} else if (S_ISLNK(file->mode) && file->u.link) {
- snprintf(buf2, sizeof buf2, " -> %s",
- safe_fname(file->u.link));
- n = buf2;
- } else
+ n = safe_fname(file->u.link);
+ strcpy(buf2, " -> ");
+ } else {
n = "";
+ if (!fmt[1])
+ break;
+ strcpy(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 = 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;
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;
+
+ if (!format)
+ return 0;
+
+ for (p = format; (p = strchr(p, '%')) != NULL; ) {
+ if (*++p == '-')
+ p++;
+ while (isdigit(*(uchar*)p))
+ p++;
+ if (!*p)
+ break;
+ if (*p == esc)
+ return 1;
+ }
+ return 0;
}
/* log the transfer of a file */
Matt McCutchen's Web Site / rsync / rsync.git / blobdiff