fastboot.c

int fastboot_oem_unlock(char *arg, void *data, uint sz)

{
    bool bVar1;
    int ret;
    char *error;
    char *str;
    uint unlock_allowed;
    char acStack_90[127];
    undefined local_11;

    str = acStack_90;
    FUN_4c43ba90(str, 0, 0x80);
    unlock_allowed = 0;
    show_unlock_warning();
    ret = is_secure();
    if (ret == 0) {
        fastboot_info("Start unlock flow\n");
        ret = fastboot_get_unlock_perm(&unlock_allowed);
        if (ret != 0) {
            ret =
                sprintf(str, (char *)0x80,
                        "\nFailed to get unlock permission - Err:0x%x\n", ret);
            if (ret < 0) {
                error = "Unknown error\n";
            } else {
                local_11 = 0;
                error = str;
            }
            video_printf("Unlock failed...return to fastboot in 3s\n");
            mdelay(3000);
            fastboot_boot_menu();
            fastboot_fail(error);
        }
        dprintf("unlock_allowed = 0x%x\n", unlock_allowed);
        if (unlock_allowed == 0) {
            ret = sprintf(str, (char *)0x80,
                          "\nUnlock operation is not allowed\n");
            if (ret < 0) {
                error = "Unknown error\n";
            } else {
                local_11 = 0;
                error = str;
            }
            video_printf("Unlock failed...return to fastboot in 3s\n");
            mdelay(3000);
            fastboot_boot_menu();
            fastboot_fail(error);
        }
        ret = fastboot_oem_unlock_chk();
        if (ret == 0) {
        LAB_4c4378a8:
            video_printf("Unlock Pass...return to fastboot in 3s\n");
            mdelay(3000);
            fastboot_boot_menu();
            ret = fastboot_okay("");
            return ret;
        }
        ret = sprintf(str, (char *)0x80, "\nUnlock failed - Err:0x%x\n", ret);
        if (ret < 0) {
            str = "Unknown error\n";
        } else {
            local_11 = 0;
        }
    } else {
        while (bVar1 = mtk_detect_key(_DAT_4c5a7e30), !bVar1) {
            bVar1 = mtk_detect_key(_DAT_4c5a7e34);
            if (bVar1) {
                video_printf("return to fastboot in 3s\n");
                mdelay(3000);
                fastboot_boot_menu();
                ret = fastboot_okay("");
                return ret;
            }
        }
        fastboot_info("Start unlock flow\n");
        ret = is_secure();
        if (ret == 1) {
            ret = process_unlock_key();
            if (ret != 0) {
                ret = fastboot_info("fastboot unlcok fail");
                return ret;
            }
            fastboot_info("fastboot unlock success");
        }
        ret = fastboot_get_unlock_perm(&unlock_allowed);
        if (ret == 0) {
            dprintf("unlock_allowed = 0x%x\n", unlock_allowed);
            if (unlock_allowed == 0) {
                ret = sprintf(str, (char *)0x80,
                              "\nUnlock operation is not allowed\n");
                if (ret < 0) {
                    str = "Unknown error\n";
                } else {
                    local_11 = 0;
                }
            } else {
                ret = fastboot_oem_unlock_chk();
                if (ret == 0)
                    goto LAB_4c4378a8;
                ret = sprintf(str, (char *)0x80, "\nUnlock failed - Err:0x%x\n",
                              ret);
                if (ret < 0) {
                    str = "Unknown error\n";
                } else {
                    local_11 = 0;
                }
            }
        } else {
            ret =
                sprintf(str, (char *)0x80,
                        "\nFailed to get unlock permission - Err:0x%x\n", ret);
            if (ret < 0) {
                str = "Unknown error\n";
            } else {
                local_11 = 0;
            }
        }
    }
    video_printf("Unlock failed...return to fastboot in 3s\n");
    mdelay(3000);
    fastboot_boot_menu();
    ret = fastboot_fail(str);
    return ret;
}