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main: Check for SIP disable for proxy backdoor mode

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Seems -v stopped being filtered (or never was?). Explicitly check boot
policy, so we don't depend on boot-args filtering directly (which can
change). -v still makes things verbose unconditionally, but the proxy
backdoor now requires that plus full SIP disable (sip0=127).

Signed-off-by: Hector Martin <marcan@marcan.st>
This commit is contained in:
Hector Martin 2022-07-30 10:54:33 +09:00
parent 4fd7b1cefd
commit 0c04783a86
1 changed files with 9 additions and 1 deletions
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10
src/main.c
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@ -65,7 +65,15 @@ void run_actions(void)
#ifndef BRINGUP
#ifdef EARLY_PROXY_TIMEOUT
if (!cur_boot_args.video.display) {
int node = adt_path_offset(adt, "/chosen/asmb");
u64 lp_sip0 = 0;
if (node >= 0) {
ADT_GETPROP(adt, node, "lp-sip0", &lp_sip0);
printf("Boot policy: sip0 = %ld\n", lp_sip0);
}
if (!cur_boot_args.video.display && lp_sip0 == 127) {
printf("Bringing up USB for early debug...\n");
usb_init();