fastboot: add flashing bootloader commands
add the following commands:
flashing unlock_bootloader
flashing lock_bootloader
flashing get_unlock_bootloader_nonce
Change-Id: Ia4f56ebdcb6785a5196cc669d68da1553ed53c58
Signed-off-by: Patrick Tjin <pattjin@google.com>
diff --git a/fastboot/fastboot.cpp b/fastboot/fastboot.cpp
index be80cce..de4c0ea 100644
--- a/fastboot/fastboot.cpp
+++ b/fastboot/fastboot.cpp
@@ -279,17 +279,22 @@
" flashall flash boot, system, vendor and if found,\n"
" recovery\n"
" flash <partition> [ <filename> ] write a file to a flash partition\n"
- " flashing lock locks the device. Prevents flashing"
+ " flashing lock locks the device. Prevents flashing\n"
" partitions\n"
- " flashing unlock unlocks the device. Allows user to"
- " flash any partition except the ones"
+ " flashing unlock unlocks the device. Allows user to\n"
+ " flash any partition except the ones\n"
" that are related to bootloader\n"
- " flashing lock_critical Prevents flashing bootloader related"
+ " flashing lock_critical Prevents flashing bootloader related\n"
" partitions\n"
- " flashing unlock_critical Enables flashing bootloader related"
+ " flashing unlock_critical Enables flashing bootloader related\n"
" partitions\n"
- " flashing get_unlock_ability Queries bootloader to see if the"
+ " flashing get_unlock_ability Queries bootloader to see if the\n"
" device is unlocked\n"
+ " flashing get_unlock_bootloader_nonce Queries the bootloader to get the\n"
+ " unlock nonce\n"
+ " flashing unlock_bootloader <request> Issue unlock bootloader using request\n"
+ " flashing lock_bootloader Locks the bootloader to prevent\n"
+ " bootloader version rollback\n"
" erase <partition> erase a flash partition\n"
" format[:[<fs type>][:[<size>]] <partition> format a flash partition.\n"
" Can override the fs type and/or\n"
@@ -831,6 +836,27 @@
#define skip(n) do { argc -= (n); argv += (n); } while (0)
#define require(n) do { if (argc < (n)) {usage(); exit(1);}} while (0)
+int do_bypass_unlock_command(int argc, char **argv)
+{
+ unsigned sz;
+ void *data;
+
+ if (argc <= 2) return 0;
+ skip(2);
+
+ /*
+ * Process unlock_bootloader, we have to load the message file
+ * and send that to the remote device.
+ */
+ require(1);
+ data = load_file(*argv, &sz);
+ if (data == 0) die("could not load '%s': %s", *argv, strerror(errno));
+ fb_queue_download("unlock_message", data, sz);
+ fb_queue_command("flashing unlock_bootloader", "unlocking bootloader");
+ skip(1);
+ return 0;
+}
+
int do_oem_command(int argc, char **argv)
{
char command[256];
@@ -1230,12 +1256,18 @@
wants_reboot = 1;
} else if(!strcmp(*argv, "oem")) {
argc = do_oem_command(argc, argv);
- } else if(!strcmp(*argv, "flashing") && argc == 2) {
- if(!strcmp(*(argv+1), "unlock") || !strcmp(*(argv+1), "lock")
- || !strcmp(*(argv+1), "unlock_critical")
- || !strcmp(*(argv+1), "lock_critical")
- || !strcmp(*(argv+1), "get_unlock_ability")) {
- argc = do_oem_command(argc, argv);
+ } else if(!strcmp(*argv, "flashing")) {
+ if (argc == 2 && (!strcmp(*(argv+1), "unlock") ||
+ !strcmp(*(argv+1), "lock") ||
+ !strcmp(*(argv+1), "unlock_critical") ||
+ !strcmp(*(argv+1), "lock_critical") ||
+ !strcmp(*(argv+1), "get_unlock_ability") ||
+ !strcmp(*(argv+1), "get_unlock_bootloader_nonce") ||
+ !strcmp(*(argv+1), "lock_bootloader"))) {
+ argc = do_oem_command(argc, argv);
+ } else
+ if (argc == 3 && !strcmp(*(argv+1), "unlock_bootloader")) {
+ argc = do_bypass_unlock_command(argc, argv);
} else {
usage();
return 1;