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Instead of a buffer size limit on each pane, set a limit of 300 seconds

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of data for each client in control mode.
This commit is contained in:
nicm
2020-06-10 07:27:10 +00:00
parent fddcad6957
commit 23d79cfda8
5 changed files with 100 additions and 42 deletions
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45
client.c
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@@ -45,11 +45,13 @@ static enum {
CLIENT_EXIT_LOST_SERVER,
CLIENT_EXIT_EXITED,
CLIENT_EXIT_SERVER_EXITED,
CLIENT_EXIT_MESSAGE_PROVIDED
} client_exitreason = CLIENT_EXIT_NONE;
static int client_exitflag;
static int client_exitval;
static enum msgtype client_exittype;
static const char *client_exitsession;
static char *client_exitmessage;
static const char *client_execshell;
static const char *client_execcmd;
static int client_attached;
@@ -207,6 +209,8 @@ client_exit_message(void)
return ("exited");
case CLIENT_EXIT_SERVER_EXITED:
return ("server exited");
case CLIENT_EXIT_MESSAGE_PROVIDED:
return (client_exitmessage);
}
return ("unknown reason");
}
@@ -791,13 +795,38 @@ client_dispatch(struct imsg *imsg, __unused void *arg)
client_dispatch_wait(imsg);
}
/* Process an exit message. */
static void
client_dispatch_exit_message(char *data, size_t datalen)
{
int retval;
if (datalen < sizeof retval && datalen != 0)
fatalx("bad MSG_EXIT size");
if (datalen >= sizeof retval) {
memcpy(&retval, data, sizeof retval);
client_exitval = retval;
}
if (datalen > sizeof retval) {
datalen -= sizeof retval;
data += sizeof retval;
client_exitmessage = xmalloc(datalen);
memcpy(client_exitmessage, data, datalen);
client_exitmessage[datalen - 1] = '\0';
client_exitreason = CLIENT_EXIT_MESSAGE_PROVIDED;
}
}
/* Dispatch imsgs when in wait state (before MSG_READY). */
static void
client_dispatch_wait(struct imsg *imsg)
{
char *data;
ssize_t datalen;
int retval;
static int pledge_applied;
/*
@@ -820,12 +849,7 @@ client_dispatch_wait(struct imsg *imsg)
switch (imsg->hdr.type) {
case MSG_EXIT:
case MSG_SHUTDOWN:
if (datalen != sizeof retval && datalen != 0)
fatalx("bad MSG_EXIT size");
if (datalen == sizeof retval) {
memcpy(&retval, data, sizeof retval);
client_exitval = retval;
}
client_dispatch_exit_message(data, datalen);
client_exitflag = 1;
client_exit();
break;
@@ -916,11 +940,10 @@ client_dispatch_attached(struct imsg *imsg)
proc_send(client_peer, MSG_EXITING, -1, NULL, 0);
break;
case MSG_EXIT:
if (datalen != 0 && datalen != sizeof (int))
fatalx("bad MSG_EXIT size");
client_dispatch_exit_message(data, datalen);
if (client_exitreason == CLIENT_EXIT_NONE)
client_exitreason = CLIENT_EXIT_EXITED;
proc_send(client_peer, MSG_EXITING, -1, NULL, 0);
client_exitreason = CLIENT_EXIT_EXITED;
break;
case MSG_EXITED:
if (datalen != 0)