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Instead of fixed size buffers for some messages, send only the string length.

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This commit is contained in:
Nicholas Marriott
2013-10-06 00:28:35 +01:00
parent 3fba377ddd
commit f141e9b37a
4 changed files with 38 additions and 64 deletions
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10
server-fn.c
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@ -235,9 +235,8 @@ server_lock_session(struct session *s)
void
server_lock_client(struct client *c)
{
const char *cmd;
size_t cmdlen;
struct msg_lock_data lockdata;
const char *cmd;
size_t cmdlen;
if (c->flags & CLIENT_CONTROL)
return;
@ -246,8 +245,7 @@ server_lock_client(struct client *c)
return;
cmd = options_get_string(&c->session->options, "lock-command");
cmdlen = strlcpy(lockdata.cmd, cmd, sizeof lockdata.cmd);
if (cmdlen >= sizeof lockdata.cmd)
if (strlen(cmd) + 1 > MAX_IMSGSIZE - IMSG_HEADER_SIZE)
return;
tty_stop_tty(&c->tty);
@ -256,7 +254,7 @@ server_lock_client(struct client *c)
tty_raw(&c->tty, tty_term_string(c->tty.term, TTYC_E3));
c->flags |= CLIENT_SUSPENDED;
server_write_client(c, MSG_LOCK, &lockdata, sizeof lockdata);
server_write_client(c, MSG_LOCK, cmd, strlen(cmd) + 1);
}
void