ii

irc it, simple FIFO based irc client
git clone git://git.suckless.org/ii
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commit cfb3464c6e64618ff106babb98ccddb258b2fec5
parent d9be11ad05a8d60dc1aee3c7e7f872625641314d
Author: Christoph Lohmann <20h@r-36.net>
Date:   Thu, 23 Dec 2021 22:11:08 +0100

Reduce effective buffer size per channel input.

This will curb the easy way to trigger a too long line sent to the
server and prevent this error and connection drop.

Diffstat:
Mii.c | 9++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/ii.c b/ii.c @@ -683,7 +683,14 @@ read_line(int fd, char *buf, size_t bufsiz) static void handle_channels_input(int ircfd, Channel *c) { - char buf[IRC_MSG_MAX]; + /* + * Do not allow to read this fully, since commands will be + * prepended. It will result in too long lines sent to the + * server. + * TODO: Make this depend on the maximum metadata given by the + * server at the beginning of the connection. + */ + char buf[IRC_MSG_MAX-64]; if (read_line(c->fdin, buf, sizeof(buf)) == -1) { if (channel_reopen(c) == -1)