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Initialize cwd fd to -1 so that we don't close fd 0 if the client is

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destroyed before it is changed. Also allow ttyname() to fail. Fixes
problems when running out of file descriptors reported by Bruno Sutic.
This commit is contained in:
nicm
2015-07-13 15:49:31 +00:00
parent 81069f66f9
commit c7374c31c4
3 changed files with 11 additions and 5 deletions
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5
server-client.c
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@ -96,6 +96,8 @@ server_client_create(int fd)
environ_init(&c->environ);
c->cwd = -1;
c->cmdq = cmdq_new(c);
c->cmdq->client_exit = 1;
@ -1253,12 +1255,11 @@ server_client_msg_identify(struct client *c, struct imsg *imsg)
if (c->fd == -1)
return;
if (!isatty(c->fd)) {
if (tty_init(&c->tty, c, c->fd, c->term) != 0) {
close(c->fd);
c->fd = -1;
return;
}
tty_init(&c->tty, c, c->fd, c->term);
if (c->flags & CLIENT_UTF8)
c->tty.flags |= TTY_UTF8;
if (c->flags & CLIENT_256COLOURS)