ssh/server_proxy: More debug data about backend->client passing

1 files changed, 6 insertions, 1 deletions

diff --git a/ssh/server_proxy.c b/ssh/server_proxy.c
index 84f0587..98a87bc 100644
--- a/ssh/server_proxy.c
+++ b/ssh/server_proxy.c
@@ -209,7 +209,10 @@ static int backend_data_cb(int fd, int revents, void *tdata_) {
 			return 0;
 		}
 
-		int cursor = 0;
+		debug("[%d] data from backend (length %zu):\n", tdata->thread_id, nr);
+		if (debug_enabled) xxd(stdout, buffer, nr);
+
+		ssize_t cursor = 0;
 		while (cursor < nr) {
 			int nw = ssh_channel_write(tdata->channel, buffer + cursor, nr - cursor);
 			if (nw == SSH_ERROR) {
@@ -218,6 +221,8 @@ static int backend_data_cb(int fd, int revents, void *tdata_) {
 				return 0;
 			}
 			cursor += nw;
+			debug("[%d]   forwarded %d bytes, total %zd/%zd\n",
+					tdata->thread_id, nw, cursor, nr);
 		}
 	}