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-rw-r--r--fastbootd/commands.c409
1 files changed, 0 insertions, 409 deletions
diff --git a/fastbootd/commands.c b/fastbootd/commands.c
deleted file mode 100644
index 98b7866..0000000
--- a/fastbootd/commands.c
+++ /dev/null
@@ -1,409 +0,0 @@
-/*
- * Copyright (c) 2009-2013, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Google, Inc. nor the names of its contributors
- * may be used to endorse or promote products derived from this
- * software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <inttypes.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/mman.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <sys/reboot.h>
-#include <fcntl.h>
-
-#include "bootimg.h"
-#include "commands/boot.h"
-#include "commands/flash.h"
-#include "commands/partitions.h"
-#include "commands/virtual_partitions.h"
-#include "debug.h"
-#include "protocol.h"
-#include "trigger.h"
-#include "utils.h"
-
-#define ATAGS_LOCATION "/proc/atags"
-
-static void cmd_boot(struct protocol_handle *phandle, const char *arg)
-{
- int sz, atags_sz, new_atags_sz;
- int rv;
- unsigned kernel_actual;
- unsigned ramdisk_actual;
- unsigned second_actual;
- void *kernel_ptr;
- void *ramdisk_ptr;
- void *second_ptr;
- struct boot_img_hdr *hdr;
- char *ptr = NULL;
- char *atags_ptr = NULL;
- char *new_atags = NULL;
- int data_fd = 0;
-
- D(DEBUG, "cmd_boot %s\n", arg);
-
- if (phandle->download_fd < 0) {
- fastboot_fail(phandle, "no kernel file");
- return;
- }
-
- atags_ptr = read_atags(ATAGS_LOCATION, &atags_sz);
- if (atags_ptr == NULL) {
- fastboot_fail(phandle, "atags read error");
- goto error;
- }
-
- // TODO: With cms we can also verify partition name included as
- // cms signed attribute
- if (flash_validate_certificate(phandle->download_fd, &data_fd) != 1) {
- fastboot_fail(phandle, "Access forbiden you need the certificate");
- return;
- }
-
- sz = get_file_size(data_fd);
-
- ptr = (char *) mmap(NULL, sz, PROT_READ,
- MAP_POPULATE | MAP_PRIVATE, data_fd, 0);
-
- hdr = (struct boot_img_hdr *) ptr;
-
- if (ptr == MAP_FAILED) {
- fastboot_fail(phandle, "internal fastbootd error");
- goto error;
- }
-
- if ((size_t) sz < sizeof(*hdr)) {
- fastboot_fail(phandle, "invalid bootimage header");
- goto error;
- }
-
- kernel_actual = ROUND_TO_PAGE(hdr->kernel_size, hdr->page_size);
- ramdisk_actual = ROUND_TO_PAGE(hdr->ramdisk_size, hdr->page_size);
- second_actual = ROUND_TO_PAGE(hdr->second_size, hdr->page_size);
-
- new_atags = (char *) create_atags((unsigned *) atags_ptr, atags_sz, hdr, &new_atags_sz);
-
- if (new_atags == NULL) {
- fastboot_fail(phandle, "atags generate error");
- goto error;
- }
- if (new_atags_sz > 0x4000) {
- fastboot_fail(phandle, "atags file to large");
- goto error;
- }
-
- if ((int) (hdr->page_size + kernel_actual + ramdisk_actual) < sz) {
- fastboot_fail(phandle, "incomplete bootimage");
- goto error;
- }
-
- kernel_ptr = (void *)((uintptr_t) ptr + hdr->page_size);
- ramdisk_ptr = (void *)((uintptr_t) kernel_ptr + kernel_actual);
- second_ptr = (void *)((uintptr_t) ramdisk_ptr + ramdisk_actual);
-
- D(INFO, "preparing to boot");
- // Prepares boot physical address. Addresses from header are ignored
- rv = prepare_boot_linux(hdr->kernel_addr, kernel_ptr, kernel_actual,
- hdr->ramdisk_addr, ramdisk_ptr, ramdisk_actual,
- hdr->second_addr, second_ptr, second_actual,
- hdr->tags_addr, new_atags, ROUND_TO_PAGE(new_atags_sz, hdr->page_size));
- if (rv < 0) {
- fastboot_fail(phandle, "kexec prepare failed");
- goto error;
- }
-
- fastboot_okay(phandle, "");
-
- free(atags_ptr);
- munmap(ptr, sz);
- free(new_atags);
- close(data_fd);
-
- D(INFO, "Kexec going to reboot");
- reboot(LINUX_REBOOT_CMD_KEXEC);
-
- fastboot_fail(phandle, "reboot error");
-
- return;
-
-error:
-
- if (atags_ptr != NULL)
- free(atags_ptr);
- if (ptr != NULL)
- munmap(ptr, sz);
-
-}
-
-static void cmd_erase(struct protocol_handle *phandle, const char *arg)
-{
- int partition_fd;
- char path[PATH_MAX];
- D(DEBUG, "cmd_erase %s\n", arg);
-
- if (flash_find_entry(arg, path, PATH_MAX)) {
- fastboot_fail(phandle, "partition table doesn't exist");
- return;
- }
-
- if (path == NULL) {
- fastboot_fail(phandle, "Couldn't find partition");
- return;
- }
-
- partition_fd = flash_get_partiton(path);
- if (partition_fd < 0) {
- fastboot_fail(phandle, "partiton file does not exists");
- }
-
- if (flash_erase(partition_fd)) {
- fastboot_fail(phandle, "failed to erase partition");
- flash_close(partition_fd);
- return;
- }
-
- if (flash_close(partition_fd) < 0) {
- D(ERR, "could not close device %s", strerror(errno));
- fastboot_fail(phandle, "failed to erase partition");
- return;
- }
- fastboot_okay(phandle, "");
-}
-
-static int GPT_header_location() {
- const char *location_str = fastboot_getvar("gpt_sector");
- char *str;
- int location;
-
- if (!strcmp("", location_str)) {
- D(INFO, "GPT location not specified using second sector");
- return 1;
- }
- else {
- location = strtoul(location_str, &str, 10);
- D(INFO, "GPT location specified as %d", location);
-
- if (*str != '\0')
- return -1;
-
- return location - 1;
- }
-}
-
-static void cmd_gpt_layout(struct protocol_handle *phandle, const char *arg) {
- struct GPT_entry_table *oldtable;
- int location;
- struct GPT_content content;
- const char *device;
- device = fastboot_getvar("blockdev");
-
- if (!strcmp(device, "")) {
- fastboot_fail(phandle, "blockdev not defined in config file");
- return;
- }
-
- //TODO: add same verification as in cmd_flash
- if (phandle->download_fd < 0) {
- fastboot_fail(phandle, "no layout file");
- return;
- }
-
- location = GPT_header_location();
- oldtable = GPT_get_device(device, location);
-
- GPT_default_content(&content, oldtable);
- if (oldtable == NULL)
- D(WARN, "Could not get old gpt table");
- else
- GPT_release_device(oldtable);
-
- if (!GPT_parse_file(phandle->download_fd, &content)) {
- fastboot_fail(phandle, "Could not parse partition config file");
- return;
- }
-
- if (trigger_gpt_layout(&content)) {
- fastboot_fail(phandle, "Vendor forbids this opperation");
- GPT_release_content(&content);
- return;
- }
-
- if (!GPT_write_content(device, &content)) {
- fastboot_fail(phandle, "Unable to write gpt file");
- GPT_release_content(&content);
- return;
- }
-
- GPT_release_content(&content);
- fastboot_okay(phandle, "");
-}
-
-static void cmd_flash(struct protocol_handle *phandle, const char *arg)
-{
- int partition;
- uint64_t sz;
- char data[BOOT_MAGIC_SIZE];
- char path[PATH_MAX];
- ssize_t header_sz = 0;
- int data_fd = 0;
-
- D(DEBUG, "cmd_flash %s\n", arg);
-
- if (try_handle_virtual_partition(phandle, arg)) {
- return;
- }
-
- if (phandle->download_fd < 0) {
- fastboot_fail(phandle, "no kernel file");
- return;
- }
-
- if (flash_find_entry(arg, path, PATH_MAX)) {
- fastboot_fail(phandle, "partition table doesn't exist");
- return;
- }
-
- if (flash_validate_certificate(phandle->download_fd, &data_fd) != 1) {
- fastboot_fail(phandle, "Access forbiden you need certificate");
- return;
- }
-
- // TODO: Maybe its goot idea to check whether the partition is bootable
- if (!strcmp(arg, "boot") || !strcmp(arg, "recovery")) {
- if (read_data_once(data_fd, data, BOOT_MAGIC_SIZE) < BOOT_MAGIC_SIZE) {
- fastboot_fail(phandle, "incoming data read error, cannot read boot header");
- return;
- }
- if (memcmp((void *)data, BOOT_MAGIC, BOOT_MAGIC_SIZE)) {
- fastboot_fail(phandle, "image is not a boot image");
- return;
- }
- }
-
- partition = flash_get_partiton(path);
-
- sz = get_file_size64(data_fd);
-
- sz -= header_sz;
-
- if (sz > get_file_size64(partition)) {
- flash_close(partition);
- D(WARN, "size of file too large");
- fastboot_fail(phandle, "size of file too large");
- return;
- }
-
- D(INFO, "writing %"PRId64" bytes to '%s'\n", sz, arg);
-
- if (flash_write(partition, phandle->download_fd, sz, header_sz)) {
- fastboot_fail(phandle, "flash write failure");
- return;
- }
- D(INFO, "partition '%s' updated\n", arg);
-
- flash_close(partition);
- close(data_fd);
-
- fastboot_okay(phandle, "");
-}
-
-static void cmd_continue(struct protocol_handle *phandle, const char *arg)
-{
- fastboot_okay(phandle, "");
-#if 0
- udc_stop();
-
- boot_linux_from_flash();
-#endif
-}
-
-static void cmd_getvar(struct protocol_handle *phandle, const char *arg)
-{
- const char *value;
- D(DEBUG, "cmd_getvar %s\n", arg);
-
- value = fastboot_getvar(arg);
-
- fastboot_okay(phandle, value);
-}
-
-static void cmd_download(struct protocol_handle *phandle, const char *arg)
-{
- unsigned len = strtoul(arg, NULL, 16);
- int old_fd;
-
- if (len > 256 * 1024 * 1024) {
- fastboot_fail(phandle, "data too large");
- return;
- }
-
- fastboot_data(phandle, len);
-
- old_fd = protocol_get_download(phandle);
- if (old_fd >= 0) {
- off_t len = lseek(old_fd, 0, SEEK_END);
- D(INFO, "disposing of unused fd %d, size %ld", old_fd, len);
- close(old_fd);
- }
-
- phandle->download_fd = protocol_handle_download(phandle, len);
- if (phandle->download_fd < 0) {
- fastboot_fail(phandle, "download failed");
- return;
- }
-
- fastboot_okay(phandle, "");
-}
-
-static void cmd_oem(struct protocol_handle *phandle, const char *arg) {
- const char *response = "";
-
- //TODO: Maybe it should get download descriptor also
- if (trigger_oem_cmd(arg, &response))
- fastboot_fail(phandle, response);
- else
- fastboot_okay(phandle, response);
-}
-
-void commands_init()
-{
- virtual_partition_register("partition-table", cmd_gpt_layout);
-
- fastboot_register("boot", cmd_boot);
- fastboot_register("erase:", cmd_erase);
- fastboot_register("flash:", cmd_flash);
- fastboot_register("continue", cmd_continue);
- fastboot_register("getvar:", cmd_getvar);
- fastboot_register("download:", cmd_download);
- fastboot_register("oem", cmd_oem);
- //fastboot_publish("version", "0.5");
- //fastboot_publish("product", "swordfish");
- //fastboot_publish("kernel", "lk");
-}
generated by cgit v1.1 at 2025-08-16 10:13:18 +0000