diff options
| -rw-r--r-- | compat.c | 5 | ||||
| -rw-r--r-- | rsync.h | 8 |
2 files changed, 11 insertions, 2 deletions
@@ -61,7 +61,10 @@ void setup_protocol(int f_out,int f_in) rprintf(FERROR,"(see the rsync man page for an explanation)\n"); exit_cleanup(RERR_PROTOCOL); } - + if (remote_version < OLD_PROTOCOL_VERSION) + rprintf(FINFO,"%s is very old version of rsync, upgrade recommended.\n", + am_server ? "Server" : "Client"); + if (remote_version >= 12) { if (am_server) { if (read_batch || write_batch) /* dw */ @@ -57,13 +57,19 @@ * people writing them to make sure that they don't send us anything * we won't understand. * + * Interoperation with old but supported protocol versions + * should cause a warning to be printed. At a future date + * the old protocol will become the minimum and + * compatibility code removed. + * * There are two possible explanations for the limit at thirty: either * to allow new major-rev versions that do not interoperate with us, * and (more likely) so that we can detect an attempt to connect rsync * to a non-rsync server, which is unlikely to begin by sending a byte * between 15 and 30. */ #define MIN_PROTOCOL_VERSION 15 -#define MAX_PROTOCOL_VERSION 30 +#define OLD_PROTOCOL_VERSION 20 +#define MAX_PROTOCOL_VERSION 40 #define RSYNC_PORT 873 |