extern int am_sender;
extern int am_generator;
extern int eol_nulls;
+extern int csum_length;
extern int checksum_seed;
extern int protocol_version;
extern char *remote_filesfrom_file;
const char phase_unknown[] = "unknown";
int select_timeout = SELECT_TIMEOUT;
+int ignore_timeout = 0;
int batch_fd = -1;
int batch_gen_fd = -1;
{
time_t t;
- if (!io_timeout)
+ if (!io_timeout || ignore_timeout)
return;
if (!last_io) {
if (t - last_io >= io_timeout) {
if (!am_server && !am_daemon) {
- rprintf(FERROR, "io timeout after %d seconds - exiting\n",
+ rprintf(FERROR, "io timeout after %d seconds -- exiting\n",
(int)(t-last_io));
}
exit_cleanup(RERR_TIMEOUT);
void send_msg(enum msgcode code, char *buf, int len)
{
+ if (msg_fd_out < 0) {
+ io_multiplex_write(code, buf, len);
+ return;
+ }
msg_list_add(code, buf, len);
msg_list_push(NORMAL_FLUSH);
}
read_loop(fd, buf, 4);
redo_list_add(IVAL(buf,0));
break;
+ case MSG_DELETED:
+ if (len >= (int)sizeof buf || !am_generator) {
+ rprintf(FERROR, "invalid message %d:%d\n", tag, len);
+ exit_cleanup(RERR_STREAMIO);
+ }
+ read_loop(fd, buf, len);
+ io_multiplex_write(MSG_DELETED, buf, len);
+ break;
+ case MSG_SUCCESS:
+ if (len != 4 || !am_generator) {
+ rprintf(FERROR, "invalid message %d:%d\n", tag, len);
+ exit_cleanup(RERR_STREAMIO);
+ }
+ read_loop(fd, buf, len);
+ io_multiplex_write(MSG_SUCCESS, buf, len);
+ break;
case MSG_INFO:
case MSG_ERROR:
case MSG_LOG:
}
+void maybe_send_keepalive(int allowed_lull, int ndx)
+{
+ if (time(NULL) - last_io >= allowed_lull) {
+ if (!iobuf_out || !iobuf_out_cnt) {
+ if (protocol_version < 29)
+ return; /* there's nothing we can do */
+ write_int(sock_f_out, ndx);
+ write_shortint(sock_f_out, ITEM_IS_NEW);
+ }
+ if (iobuf_out)
+ io_flush(NORMAL_FLUSH);
+ }
+}
+
+
/**
* Continue trying to read len bytes - don't return until len has been
* read.
static size_t remaining;
static size_t iobuf_in_ndx;
int tag, ret = 0;
- char line[1024];
+ char line[MAXPATHLEN+1];
if (!iobuf_in || fd != sock_f_in)
return read_timeout(fd, buf, len);
read_loop(fd, iobuf_in, remaining);
iobuf_in_ndx = 0;
break;
+ case MSG_DELETED:
+ if (remaining >= sizeof line) {
+ rprintf(FERROR, "invalid multi-message %d:%ld\n",
+ tag, (long)remaining);
+ exit_cleanup(RERR_STREAMIO);
+ }
+ read_loop(fd, line, remaining);
+ line[remaining] = '\0';
+ /* A directory name was sent with the trailing null */
+ if (remaining > 0 && !line[remaining-1])
+ log_delete(line, S_IFDIR);
+ else
+ log_delete(line, S_IFREG);
+ remaining = 0;
+ break;
+ case MSG_SUCCESS:
+ if (remaining != 4) {
+ rprintf(FERROR, "invalid multi-message %d:%ld\n",
+ tag, (long)remaining);
+ exit_cleanup(RERR_STREAMIO);
+ }
+ read_loop(fd, line, remaining);
+ successful_send(IVAL(line, 0));
+ remaining = 0;
+ break;
case MSG_INFO:
case MSG_ERROR:
if (remaining >= sizeof line) {
}
+int read_shortint(int f)
+{
+ uchar b[2];
+ readfd(f, (char *)b, 2);
+ return (b[1] << 8) + b[0];
+}
+
+
int32 read_int(int f)
{
char b[4];
if ((int32)ret != (int32)0xffffffff)
return ret;
-#ifdef INT64_IS_OFF_T
- if (sizeof (int64) < 8) {
- rprintf(FERROR, "Integer overflow: attempted 64-bit offset\n");
- exit_cleanup(RERR_UNSUPPORTED);
- }
-#endif
+#if SIZEOF_INT64 < 8
+ rprintf(FERROR, "Integer overflow: attempted 64-bit offset\n");
+ exit_cleanup(RERR_UNSUPPORTED);
+#else
readfd(f,b,8);
ret = IVAL(b,0) | (((int64)IVAL(b,4))<<32);
+#endif
return ret;
}
buf[len] = 0;
}
-unsigned char read_byte(int f)
+uchar read_byte(int f)
{
- unsigned char c;
+ uchar c;
readfd(f, (char *)&c, 1);
return c;
}
+/* Populate a sum_struct with values from the socket. This is
+ * called by both the sender and the receiver. */
+void read_sum_head(int f, struct sum_struct *sum)
+{
+ sum->count = read_int(f);
+ sum->blength = read_int(f);
+ if (sum->blength < 0 || sum->blength > MAX_BLOCK_SIZE) {
+ rprintf(FERROR, "[%s] Invalid block length %ld\n",
+ who_am_i(), (long)sum->blength);
+ exit_cleanup(RERR_PROTOCOL);
+ }
+ sum->s2length = protocol_version < 27 ? csum_length : (int)read_int(f);
+ if (sum->s2length < 0 || sum->s2length > MD4_SUM_LENGTH) {
+ rprintf(FERROR, "[%s] Invalid checksum length %d\n",
+ who_am_i(), sum->s2length);
+ exit_cleanup(RERR_PROTOCOL);
+ }
+ sum->remainder = read_int(f);
+ if (sum->remainder < 0 || sum->remainder > sum->blength) {
+ rprintf(FERROR, "[%s] Invalid remainder length %ld\n",
+ who_am_i(), (long)sum->remainder);
+ exit_cleanup(RERR_PROTOCOL);
+ }
+}
+
+/* Send the values from a sum_struct over the socket. Set sum to
+ * NULL if there are no checksums to send. This is called by both
+ * the generator and the sender. */
+void write_sum_head(int f, struct sum_struct *sum)
+{
+ static struct sum_struct null_sum;
+
+ if (sum == NULL)
+ sum = &null_sum;
+
+ write_int(f, sum->count);
+ write_int(f, sum->blength);
+ if (protocol_version >= 27)
+ write_int(f, sum->s2length);
+ write_int(f, sum->remainder);
+}
+
/**
* Sleep after writing to limit I/O bandwidth usage.
* to grab any messages they sent before they died. */
while (fd == sock_f_out && io_multiplexing_in) {
io_timeout = select_timeout = 30;
+ ignore_timeout = 0;
readfd_unbuffered(sock_f_in, io_filesfrom_buf,
sizeof io_filesfrom_buf);
}
}
+void write_shortint(int f, int x)
+{
+ uchar b[2];
+ b[0] = x;
+ b[1] = x >> 8;
+ writefd(f, (char *)b, 2);
+}
+
+
void write_int(int f,int32 x)
{
char b[4];
return;
}
-#ifdef INT64_IS_OFF_T
- if (sizeof (int64) < 8) {
- rprintf(FERROR, "Integer overflow: attempted 64-bit offset\n");
- exit_cleanup(RERR_UNSUPPORTED);
- }
-#endif
-
+#if SIZEOF_INT64 < 8
+ rprintf(FERROR, "Integer overflow: attempted 64-bit offset\n");
+ exit_cleanup(RERR_UNSUPPORTED);
+#else
write_int(f, (int32)0xFFFFFFFF);
SIVAL(b,0,(x&0xFFFFFFFF));
SIVAL(b,4,((x>>32)&0xFFFFFFFF));
writefd(f,b,8);
+#endif
}
void write_buf(int f,char *buf,size_t len)
writefd(f,buf,len);
}
+
/** Write a string to the connection */
void write_sbuf(int f, char *buf)
{
writefd(f, buf, strlen(buf));
}
-void write_byte(int f,unsigned char c)
+
+void write_byte(int f, uchar c)
{
writefd(f, (char *)&c, 1);
}
-
/**
* Read a line of up to @p maxlen characters into @p buf (not counting
* the trailing null). Strips the (required) trailing newline and all
Matt McCutchen's Web Site / rsync / rsync.git / blobdiff