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Add support for a fallback shell if no tty is setup

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Try to do better by the user, by default, if no tty is specified in the
finit.conf.  This way the user will at least have a way to interact with
the system and repair it.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
Joachim Nilsson committed 2014-04-19 22:58:20 +02:00
1 parent 62287f8fcc
commit f6f2895524
5 files changed
+76 -49
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tty.c
+18 -3
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@@ -102,6 +102,17 @@ tty_node_t *tty_find(char *dev)
return NULL;
}
size_t tty_num(void)
{
size_t num = 0;
tty_node_t *entry;
LIST_FOREACH(entry, &tty_list, link)
num++;
return num;
}
tty_node_t *tty_find_by_pid(pid_t pid)
{
tty_node_t *entry;
@@ -127,13 +138,17 @@ void tty_start(finit_tty_t *tty)
if (console && !strcmp(tty->name, console))
is_console = 1;
if (!strcmp(tty->name, _PATH_DEV)) {
#if defined(GETTY_AGETTY)
snprintf(line, sizeof(line), "%s %s %d %s", GETTY, tty->name, tty->baud, tty->term ?: "");
snprintf(line, sizeof(line), "%s %s %d %s", GETTY, tty->name, tty->baud, tty->term ?: "");
#elif defined(GETTY_BUSYBOX)
snprintf(line, sizeof(line), "%s %d %s %s", GETTY, tty->baud, tty->name, tty->term ?: "");
snprintf(line, sizeof(line), "%s %d %s %s", GETTY, tty->baud, tty->name, tty->term ?: "");
#else
#error No GETTY defined!
strlcpy(line, FALLBACK_CONSOLE, sizeof(line));
#endif
} else {
strlcpy(line, tty->name, sizeof(line));
}
cmd = strtok(line, " ");
args[i++] = basename(cmd);
while ((arg = strtok(NULL, " ")))