diff options
-rw-r--r-- | channels.c | 5 | ||||
-rw-r--r-- | channels.h | 5 |
2 files changed, 8 insertions, 2 deletions
@@ -1,4 +1,4 @@ -/* $OpenBSD: channels.c,v 1.401 2020/07/03 07:25:18 djm Exp $ */ +/* $OpenBSD: channels.c,v 1.402 2020/09/20 05:47:25 djm Exp $ */ /* * Author: Tatu Ylonen <ylo@cs.hut.fi> * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland @@ -354,6 +354,7 @@ channel_new(struct ssh *ssh, char *ctype, int type, int rfd, int wfd, int efd, struct ssh_channels *sc = ssh->chanctxt; u_int i, found; Channel *c; + int r; /* Try to find a free slot where to put the new channel. */ for (i = 0; i < sc->channels_alloc; i++) { @@ -383,6 +384,8 @@ channel_new(struct ssh *ssh, char *ctype, int type, int rfd, int wfd, int efd, (c->output = sshbuf_new()) == NULL || (c->extended = sshbuf_new()) == NULL) fatal("%s: sshbuf_new failed", __func__); + if ((r = sshbuf_set_max_size(c->input, CHAN_INPUT_MAX)) != 0) + fatal("%s: sshbuf_set_max_size: %s", __func__, ssh_err(r)); c->ostate = CHAN_OUTPUT_OPEN; c->istate = CHAN_INPUT_OPEN; channel_register_fds(ssh, c, rfd, wfd, efd, extusage, nonblock, 0); @@ -1,4 +1,4 @@ -/* $OpenBSD: channels.h,v 1.134 2020/07/05 23:59:45 djm Exp $ */ +/* $OpenBSD: channels.h,v 1.135 2020/09/20 05:47:25 djm Exp $ */ /* * Author: Tatu Ylonen <ylo@cs.hut.fi> @@ -223,6 +223,9 @@ struct Channel { /* Read buffer size */ #define CHAN_RBUF (16*1024) +/* Maximum channel input buffer size */ +#define CHAN_INPUT_MAX (16*1024*1024) + /* Hard limit on number of channels */ #define CHANNELS_MAX_CHANNELS (16*1024) |