extern int am_daemon;
extern int am_server;
extern int am_sender;
+extern int local_server;
extern int quiet;
extern int module_id;
extern int msg_fd_out;
extern int protocol_version;
extern int preserve_times;
+extern int log_format_has_i;
extern int log_format_has_o_or_i;
extern int daemon_log_format_has_o_or_i;
extern char *auth_user;
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" },
{ RERR_MESSAGEIO , "errors with program diagnostics" },
{ RERR_IPC , "error in IPC code" },
- { RERR_SIGNAL , "received SIGUSR1 or SIGINT" },
- { RERR_WAITCHILD , "some error returned by waitpid()" },
+ { 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 could not be transferred" },
{ RERR_VANISHED , "some files vanished before they could be transferred" },
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 rprintf(enum logcode code, const char *format, ...)
{
va_list ap;
- char buf[MAXPATHLEN+512];
+ char buf[BIGPATHBUFLEN];
size_t len;
va_start(ap, format);
* truncate the resulting string. (Note that configure ensures
* that we have a vsnprintf() that doesn't ever return -1.) */
if (len > sizeof buf - 1) {
- const char ellipsis[] = "[...]";
+ static const char ellipsis[] = "[...]";
/* Reset length, and zero-terminate the end of our buffer */
len = sizeof buf - 1;
* 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. */
- strncpy(buf+len-sizeof ellipsis, ellipsis, sizeof ellipsis);
+ memcpy(buf+len-sizeof ellipsis, ellipsis, sizeof ellipsis);
if (format[strlen(format)-1] == '\n') {
buf[len-1] = '\n';
}
void rsyserr(enum logcode code, int errcode, const char *format, ...)
{
va_list ap;
- char buf[MAXPATHLEN+512];
+ char buf[BIGPATHBUFLEN];
size_t len;
strcpy(buf, RSYNC_NAME ": ");
void rflush(enum logcode code)
{
FILE *f = NULL;
-
+
if (am_daemon) {
return;
}
struct file_struct *file, struct stats *initial_stats,
int iflags, char *hlink)
{
- char buf[MAXPATHLEN+1024];
- char buf2[MAXPATHLEN];
- char *p, *n;
+ char buf[MAXPATHLEN+1024], buf2[MAXPATHLEN], fmt[32];
+ char *p, *s, *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 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++ = *p++;
+ while (isdigit(*(uchar*)p) && n - fmt < (int)(sizeof fmt) - 8)
+ *n++ = *p++;
+ if (!*p)
+ break;
+ *n = '\0';
n = NULL;
- switch (p[1]) {
- case 'h': if (am_daemon) n = client_name(0); break;
- case 'a': if (am_daemon) n = client_addr(0); break;
+ switch (*p) {
+ case 'h':
+ if (am_daemon)
+ n = client_name(0);
+ break;
+ case 'a':
+ if (am_daemon)
+ n = client_addr(0);
+ break;
case 'l':
- snprintf(buf2, sizeof buf2, "%.0f",
+ strlcat(fmt, ".0f", sizeof fmt);
+ snprintf(buf2, sizeof buf2, fmt,
(double)file->length);
n = buf2;
break;
case 'p':
- snprintf(buf2, sizeof buf2, "%d",
- (int)getpid());
+ strlcat(fmt, "ld", sizeof fmt);
+ snprintf(buf2, sizeof buf2, fmt,
+ (long)getpid());
n = buf2;
break;
- case 'o': n = op; break;
+ case 'o':
+ n = op;
+ break;
case 'f':
- pathjoin(buf2, sizeof buf2,
- am_sender && file->dir.root ? file->dir.root : "",
- safe_fname(f_name(file)));
- clean_fname(buf2, 0);
- n = buf2;
- if (*n == '/') n++;
+ n = f_name(file);
+ if (am_sender && file->dir.root) {
+ pathjoin(buf2, sizeof buf2,
+ file->dir.root, n);
+ clean_fname(buf2, 0);
+ if (fmt[1])
+ strlcpy(n, buf2, MAXPATHLEN);
+ else
+ n = buf2;
+ } else
+ clean_fname(n, 0);
+ if (*n == '/')
+ n++;
break;
case 'n':
- n = (char*)safe_fname(f_name(file));
- if (S_ISDIR(file->mode)) {
- /* The buffer from safe_fname() has more
- * room than MAXPATHLEN, so this is safe. */
- strcat(n, "/");
- }
+ n = f_name(file);
+ if (S_ISDIR(file->mode))
+ strlcat(n, "/", MAXPATHLEN);
break;
case 'L':
if (hlink && *hlink) {
- snprintf(buf2, sizeof buf2, " => %s",
- safe_fname(hlink));
- n = buf2;
+ n = 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 = 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 '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':
if (am_sender) {
b = stats.total_written -
b = stats.total_read -
initial_stats->total_read;
}
- snprintf(buf2, sizeof buf2, "%.0f", (double)b);
+ strlcat(fmt, ".0f", sizeof fmt);
+ snprintf(buf2, sizeof buf2, fmt, (double)b);
n = buf2;
break;
case 'c':
b = stats.total_read -
initial_stats->total_read;
}
- snprintf(buf2, sizeof buf2, "%.0f", (double)b);
+ strlcat(fmt, ".0f", sizeof fmt);
+ snprintf(buf2, sizeof buf2, fmt, (double)b);
n = buf2;
break;
case 'i':
n = "*deleting";
break;
}
- n = buf2;
+ n = buf2 + MAXPATHLEN - 32;
n[0] = iflags & ITEM_LOCAL_CHANGE
? iflags & ITEM_XNAME_FOLLOWS ? 'h' : 'c'
: !(iflags & ITEM_TRANSFER) ? '.'
- : *op == 's' ? '>' : '<';
+ : !local_server && *op == 's' ? '<' : '>';
n[1] = S_ISDIR(file->mode) ? 'd'
: IS_DEVICE(file->mode) ? 'D'
: S_ISLNK(file->mode) ? 'L' : 'f';
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'
+ || (n[0] == 'c' && n[1] == 'f')) {
int i;
for (i = 2; n[i]; i++) {
if (n[i] != '.')
break;
}
- /* n is the string to be inserted in place of this %
- * code; len is its length not including the trailing
- * NUL */
- if (!n) {
- p += 2;
+ /* "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);
- if (len + total - 2 >= sizeof buf) {
+ /* 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]);
}
/* Shuffle the rest of the string along to make space for n */
- if (len != 2)
- memmove(p + len, p + 2, total - (p + 2 - buf) + 1);
- total += len - 2;
+ 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 nul. */
+ /* Insert the contents of string "n", but NOT its null. */
if (len)
- memcpy(p, n, len);
+ memcpy(s, n, len);
/* Skip over inserted string; continue looking */
- p += len;
+ 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 */
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 && log_format_has_i));
+ int local_change = iflags & ITEM_LOCAL_CHANGE && 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);
}
Matt McCutchen's Web Site / rsync / rsync.git / blobdiff