/
ofgwrite.c
1987 lines (1798 loc) · 54.7 KB
/
ofgwrite.c
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#include "ofgwrite.h"
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <stdlib.h>
#include <dirent.h>
#include <getopt.h>
#include <fcntl.h>
#include <linux/reboot.h>
#include <syslog.h>
#include <sys/mount.h>
#include <sys/stat.h>
#include <mntent.h>
#include <unistd.h>
#include <errno.h>
#include <openssl/evp.h>
#include "busybox/include/libbb.h"
#define SHA_DIGEST_LENGTH 20
typedef struct {
// ... (other header fields)
size_t kernel_size;
size_t ramdisk_size;
size_t second_size;
unsigned char id[SHA_DIGEST_LENGTH]; // SHA-1 hash result
// ... (other header fields)
} Header;
typedef struct boot_img_hdr boot_img_hdr;
#define BOOT_MAGIC "ANDROID!"
#define BOOT_MAGIC_SIZE 8
#define BOOT_NAME_SIZE 16
#define BOOT_ARGS_SIZE 512
#define BOOT_EXTRA_ARGS_SIZE 1024
struct boot_img_hdr
{
uint8_t magic[BOOT_MAGIC_SIZE];
uint32_t kernel_size; /* size in bytes */
uint32_t kernel_addr; /* physical load addr */
uint32_t ramdisk_size; /* size in bytes */
uint32_t ramdisk_addr; /* physical load addr */
uint32_t second_size; /* size in bytes */
uint32_t second_addr; /* physical load addr */
uint32_t tags_addr; /* physical addr for kernel tags */
uint32_t page_size; /* flash page size we assume */
uint32_t unused[2]; /* future expansion: should be 0 */
uint8_t name[BOOT_NAME_SIZE]; /* asciiz product name */
uint8_t cmdline[BOOT_ARGS_SIZE];
uint32_t id[8]; /* timestamp / checksum / sha1 / etc */
/* Supplemental command line data; kept here to maintain
* binary compatibility with older versions of mkbootimg */
uint8_t extra_cmdline[BOOT_EXTRA_ARGS_SIZE];
} __attribute__((packed));
struct stat kernel_file_stat;
struct stat rootfs_file_stat;
char kernel_device_arg[1000];
char rootfs_device_arg[1000];
char kernel_device[1000];
char rootfs_device[1000];
char rootfs_sub_dir[1000];
int found_kernel_device;
int found_rootfs_device;
int user_kernel;
int user_rootfs;
int user_slotname;
int rootsubdir_check;
int multiboot_partition;
char kexec_mode[1000];
char current_rootfs_device[1000];
char current_kernel_device[1000];
char current_rootfs_sub_dir[1000];
char ubi_fs_name[1000];
enum FlashModeTypeEnum kernel_flash_mode;
enum FlashModeTypeEnum rootfs_flash_mode;
int android = 0;
int dreamcard = 1;
int flash_kernel = 0;
int flash_rootfs = 0;
int no_write = 0;
int force_e2_stop = 0;
int quiet = 0;
int show_help = 0;
int newroot_mounted = 0;
char kernel_filename[1000];
char rootfs_filename[1000];
char rootfs_mount_point[1000];
char slotname[1000];
char *boxname = NULL;
enum RootfsTypeEnum rootfs_type;
int stop_e2_needed = 1;
const char ofgwrite_version[] = "4.6.8";
struct struct_mountlist
{
char* dir;
struct struct_mountlist *next;
} *mountlist, *mountlist_entry;
static unsigned char padding[16384] = { 0, };
static void print_id(const uint8_t *id, size_t id_len) {
my_printf("0x");
for (unsigned i = 0; i < id_len; i++) {
my_printf("%02x", id[i]);
}
my_printf("\n");
}
int write_padding(int fd, unsigned pagesize, unsigned itemsize)
{
unsigned pagemask = pagesize - 1;
ssize_t count;
if((itemsize & pagemask) == 0) {
return 0;
}
count = pagesize - (itemsize & pagemask);
if(write(fd, padding, count) != count) {
return -1;
} else {
return 0;
}
}
static void *load_file(const char *fn, unsigned *_sz)
{
char *data;
int sz;
int fd;
data = 0;
fd = open(fn, O_RDONLY);
if(fd < 0) return 0;
sz = lseek(fd, 0, SEEK_END);
if(sz < 0) goto oops;
if(lseek(fd, 0, SEEK_SET) != 0) goto oops;
data = (char*) malloc(sz);
if(data == 0) goto oops;
if(read(fd, data, sz) != sz) goto oops;
close(fd);
if(_sz) *_sz = sz;
return data;
oops:
close(fd);
if(data != 0) free(data);
return 0;
}
int generate_boot_image(const char *kernelPath)
{
boot_img_hdr hdr;
char *kernel_fn = NULL;
void *kernel_data = NULL;
char *ramdisk_fn = NULL;
void *ramdisk_data = NULL;
int second_fn_len = snprintf(NULL, 0, "/oldroot_remount/boot/dream%s.dtb", boxname);
char *second_fn = (char *)malloc(second_fn_len + 1);
void *second_data = NULL;
int cmdline_len = snprintf(NULL, 0, "console=ttyS0,1000000 root=%s rootwait rootfstype=ext4 no_console_suspend", rootfs_device);
char *cmdline = (char *)malloc(cmdline_len + 1);
char *bootimg = NULL;
char *board = "";
uint32_t pagesize = 2048;
int fd;
const uint8_t* sha;
uint32_t base = 0x10000000U;
uint32_t kernel_offset = 0x00008000U;
uint32_t ramdisk_offset = 0x01000000U;
uint32_t second_offset = 0x00f00000U;
uint32_t tags_offset = 0x00000100U;
size_t cmdlen;
memset(&hdr, 0, sizeof(hdr));
bool get_id = false;
bootimg = kernelPath;
kernel_fn = "/oldroot_remount/boot/Image.gz-4.9";
snprintf(second_fn, second_fn_len + 1, "/oldroot_remount/boot/dream%s.dtb", boxname);
snprintf(cmdline, cmdline_len + 1,"console=ttyS0,1000000 root=%s rootwait rootfstype=ext4 no_console_suspend", rootfs_device);
base = strtoul("0", 0, 16);
kernel_offset = strtoul("0x1080000", 0, 16);
second_offset = strtoul("0x1000000", 0, 16);
board = boxname;
my_printf("bootimage bootimg:%s\n",bootimg);
my_printf("bootimage kernel_fn:%s\n",kernel_fn);
my_printf("bootimage second_fn:%s\n",second_fn);
my_printf("bootimage cmdline:%s\n",cmdline);
my_printf("bootimage base:%08X\n",base);
my_printf("bootimage kernel_offset:%08X\n",kernel_offset);
my_printf("bootimage second_offset:%08X\n",second_offset);
my_printf("bootimage board:%s\n",board);
hdr.page_size = pagesize;
hdr.kernel_addr = base + kernel_offset;
hdr.ramdisk_addr = base + ramdisk_offset;
hdr.second_addr = base + second_offset;
hdr.tags_addr = base + tags_offset;
if(strlen(board) >= BOOT_NAME_SIZE) {
my_printf("error: board name too large\n");
return EXIT_FAILURE;;
}
strcpy((char *) hdr.name, board);
memcpy(hdr.magic, BOOT_MAGIC, BOOT_MAGIC_SIZE);
cmdlen = strlen(cmdline);
if(cmdlen > (BOOT_ARGS_SIZE + BOOT_EXTRA_ARGS_SIZE - 2)) {
my_printf("error: kernel commandline too large\n");
return EXIT_FAILURE;;
}
/* Even if we need to use the supplemental field, ensure we
* are still NULL-terminated */
strncpy((char *)hdr.cmdline, cmdline, BOOT_ARGS_SIZE - 1);
hdr.cmdline[BOOT_ARGS_SIZE - 1] = '\0';
if (cmdlen >= (BOOT_ARGS_SIZE - 1)) {
cmdline += (BOOT_ARGS_SIZE - 1);
strncpy((char *)hdr.extra_cmdline, cmdline, BOOT_EXTRA_ARGS_SIZE);
}
kernel_data = load_file(kernel_fn, &hdr.kernel_size);
if(kernel_data == 0) {
my_printf("error: could not load kernel '%s'\n", kernel_fn);
return EXIT_FAILURE;;
}
ramdisk_data = 0;
hdr.ramdisk_size = 0;
if(second_fn) {
second_data = load_file(second_fn, &hdr.second_size);
if(second_data == 0) {
my_printf("error: could not load secondstage '%s'\n", second_fn);
return EXIT_FAILURE;;
}
}
/* put a hash of the contents in the header so boot images can be
* differentiated based on their first 2k.
*/
EVP_MD_CTX *mdctx;
const EVP_MD *md;
unsigned char hash[SHA_DIGEST_LENGTH];
// Initialize OpenSSL library
OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_DIGESTS, NULL);
// Create a context for the hash operation
mdctx = EVP_MD_CTX_new();
if (!mdctx) {
my_printf("EVP_MD_CTX_new() failed.\n");
return EXIT_FAILURE;;
}
// Specify the hash algorithm (SHA-1 in this case)
md = EVP_sha1();
// Initialize the context with the chosen hash algorithm
if (1 != EVP_DigestInit_ex(mdctx, md, NULL)) {
my_printf("EVP_DigestInit_ex() failed.\n");
return EXIT_FAILURE;;
}
// Update the hash context with your data
// Assuming kernel_data, ramdisk_data, second_data, and hdr are properly defined
// hdr.kernel_size, hdr.ramdisk_size, and hdr.second_size are also assumed to be set correctly
EVP_DigestUpdate(mdctx, kernel_data, hdr.kernel_size);
EVP_DigestUpdate(mdctx, &hdr.kernel_size, sizeof(hdr.kernel_size));
EVP_DigestUpdate(mdctx, ramdisk_data, hdr.ramdisk_size);
EVP_DigestUpdate(mdctx, &hdr.ramdisk_size, sizeof(hdr.ramdisk_size));
EVP_DigestUpdate(mdctx, second_data, hdr.second_size);
EVP_DigestUpdate(mdctx, &hdr.second_size, sizeof(hdr.second_size));
// Finalize the hash and obtain the result
if (1 != EVP_DigestFinal_ex(mdctx, hash, NULL)) {
my_printf("EVP_DigestFinal_ex() failed.\n");
return EXIT_FAILURE;;
}
// Copy the hash result to hdr.id
memcpy(hdr.id, hash, SHA_DIGEST_LENGTH);
// Check if the kernel.img file already exists
if (access(bootimg, F_OK) != -1) {
// If it exists, remove it
if (remove(bootimg) != 0) {
my_printf("Failed to delete existing %s\n", bootimg);
return EXIT_FAILURE;
}
my_printf("Existing %s removed.\n", bootimg);
}
fd = open(bootimg, O_CREAT | O_TRUNC | O_WRONLY, 0644);
if(fd < 0) {
my_printf("error: could not create '%s'\n", bootimg);
return EXIT_FAILURE;;
}
if(write(fd, &hdr, sizeof(hdr)) != sizeof(hdr)) goto fail;
if(write_padding(fd, pagesize, sizeof(hdr))) goto fail;
if(write(fd, kernel_data, hdr.kernel_size) != (ssize_t) hdr.kernel_size) goto fail;
if(write_padding(fd, pagesize, hdr.kernel_size)) goto fail;
if(write(fd, ramdisk_data, hdr.ramdisk_size) != (ssize_t) hdr.ramdisk_size) goto fail;
if(write_padding(fd, pagesize, hdr.ramdisk_size)) goto fail;
if(second_data) {
if(write(fd, second_data, hdr.second_size) != (ssize_t) hdr.second_size) goto fail;
if(write_padding(fd, pagesize, hdr.second_size)) goto fail;
}
if (get_id) {
print_id((uint8_t *) hdr.id, sizeof(hdr.id));
}
my_printf("Successfully writing '%s'\n", bootimg);
return 0;
fail:
unlink(bootimg);
close(fd);
my_printf("error: failed writing '%s'\n", bootimg);
return EXIT_FAILURE;;
}
void my_printf(char const *fmt, ...)
{
va_list ap, ap2;
va_start(ap, fmt);
va_copy(ap2, ap);
// print to console
vprintf(fmt, ap);
va_end(ap);
// print to syslog
vsyslog(LOG_INFO, fmt, ap2);
va_end(ap2);
}
void my_fprintf(FILE * f, char const *fmt, ...)
{
va_list ap, ap2;
va_start(ap, fmt);
va_copy(ap2, ap);
// print to file (normally stdout or stderr)
vfprintf(f, fmt, ap);
va_end(ap);
// print to syslog
vsyslog(LOG_INFO, fmt, ap2);
va_end(ap2);
}
void printUsage()
{
my_printf("Usage: ofgwrite <parameter> <image_directory>\n");
my_printf("Options:\n");
my_printf(" -a --android create Android boot image header\n");
my_printf(" -k --kernel flash kernel with automatic device recognition(default)\n");
my_printf(" -kmtdx --kernel=mtdx use mtdx device for kernel flashing\n");
my_printf(" -ksdx --kernel=sdx use sdx device for kernel flashing\n");
my_printf(" -kmmcblkxpx --kernel=mmcblkxpx use mmcblkxpx device for kernel flashing\n");
my_printf(" -r --rootfs flash rootfs with automatic device recognition(default)\n");
my_printf(" -rmtdy --rootfs=mtdy use mtdy device for rootfs flashing\n");
my_printf(" -rmmcblkxpx --rootfs=mmcblkxpx use mmcblkxpx device for rootfs flashing\n");
my_printf(" -sNN --slotname=NN user defined slot name\n");
my_printf(" -mx --multi=x flash multiboot partition x (x= 1, 2, 3,...). Only supported by some boxes.\n");
my_printf(" -n --nowrite show only found image and mtd partitions (no write)\n");
my_printf(" -f --force force kill e2\n");
my_printf(" -q --quiet show less output\n");
my_printf(" -h --help show help\n");
}
char* ReadProcEntry(char *filename)
{
FILE *boxtype_file = fopen(filename,"r");
char boxtype_name[20];
char *real_boxtype_name = NULL;
char c;
int i = 0;
if(boxtype_file)
{
while ((c = fgetc(boxtype_file)) != EOF && i < sizeof(boxtype_name) - 2)
{
if (c == '\n')
{
i--;
break;
}
boxtype_name[i] = c;
i++;
}
boxtype_name[i+1] = '\0';
real_boxtype_name = malloc(strlen(boxtype_name) + 1);
if (real_boxtype_name)
strcpy(real_boxtype_name, boxtype_name);
fclose(boxtype_file);
}
else
my_printf("Can not open this proc entry!\n");
return real_boxtype_name;
}
int find_image_files(char* p)
{
DIR *d;
struct dirent *entry;
char path[4097];
if (realpath(p, path) == NULL)
{
my_printf("Searching image files: Error path couldn't be resolved\n");
return 0;
}
my_printf("Searching image files in %s resolved to %s\n", p, path);
kernel_filename[0] = '\0';
rootfs_filename[0] = '\0';
// add / to the end of the path
if (path[strlen(path)-1] != '/')
{
path[strlen(path)+1] = '\0';
path[strlen(path)] = '/';
}
d = opendir(path);
if (!d)
{
perror("Error reading image_directory");
my_printf("\n");
return 0;
}
do
{
entry = readdir(d);
if (entry)
{
if ((strstr(entry->d_name, "kernel") != NULL
&& strstr(entry->d_name, ".bin") != NULL) // ET-xx00, XP1000, VU boxes, DAGS boxes
|| strcmp(entry->d_name, "uImage") == 0) // Spark boxes
{
strcpy(kernel_filename, path);
strcpy(&kernel_filename[strlen(path)], entry->d_name);
stat(kernel_filename, &kernel_file_stat);
my_printf("Found kernel file: %s\n", kernel_filename);
}
if (strcmp(entry->d_name, "rootfs.bin") == 0 // ET-xx00, XP1000
|| strcmp(entry->d_name, "root_cfe_auto.bin") == 0 // Solo2
|| strcmp(entry->d_name, "root_cfe_auto.jffs2") == 0 // other VU boxes
|| strcmp(entry->d_name, "oe_rootfs.bin") == 0 // DAGS boxes
|| strcmp(entry->d_name, "e2jffs2.img") == 0 // Spark boxes
|| strcmp(entry->d_name, "rootfs.tar.bz2") == 0 // solo4k
|| strcmp(entry->d_name, "rootfs.ubi") == 0 // Zgemma H9
|| strcmp(entry->d_name, "rootfs.tar.xz") == 0 // dream
|| strcmp(entry->d_name, "rootfs-one.tar.bz2") == 0 // dreamone
|| strcmp(entry->d_name, "rootfs-two.tar.bz2") == 0) // dreamtwo
{
strcpy(rootfs_filename, path);
strcpy(&rootfs_filename[strlen(path)], entry->d_name);
stat(rootfs_filename, &rootfs_file_stat);
my_printf("Found rootfs file: %s\n", rootfs_filename);
}
}
} while (entry);
closedir(d);
return 1;
}
int read_args(int argc, char *argv[])
{
int option_index = 0;
int opt;
char *endptr;
long val;
static const char *short_options = "ak::r::ns:m:fqh";
static const struct option long_options[] = {
{"android" , no_argument, NULL, 'a'},
{"kernel" , optional_argument, NULL, 'k'},
{"rootfs" , optional_argument, NULL, 'r'},
{"nowrite" , no_argument , NULL, 'n'},
{"slotname" , required_argument, NULL, 's'},
{"multi" , required_argument, NULL, 'm'},
{"force" , no_argument , NULL, 'f'},
{"quiet" , no_argument , NULL, 'q'},
{"help" , no_argument , NULL, 'h'},
{NULL , no_argument , NULL, 0} };
strcpy(slotname, "linuxrootfs");
multiboot_partition = -1;
user_kernel = 0;
user_rootfs = 0;
user_slotname = 0;
android = 0;
rootsubdir_check = 0;
while ((opt= getopt_long(argc, argv, short_options, long_options, &option_index)) != -1)
{
switch (opt)
{
case 'a':
boxname = ReadProcEntry("/proc/stb/info/model");
my_printf("Boxname detectet: %s\n", boxname);
android = 1;
break;
case 'k':
flash_kernel = 1;
if (optarg)
{
if ((!strncmp(optarg, "mtd", 3)) || (!strncmp(optarg, "mmcblk", 6)) || (!strncmp(optarg, "sd", 2)) || (!strncmp(optarg, "boot", 4)))
{
my_printf("Flashing kernel with arg %s\n", optarg);
strcpy(kernel_device_arg, optarg);
user_kernel = 1;
}
}
else
my_printf("Flashing kernel\n");
break;
case 'r':
flash_rootfs = 1;
if (optarg)
{
if ((!strncmp(optarg, "mtd", 3)) || (!strncmp(optarg, "mmcblk", 6)) || (!strncmp(optarg, "sd", 2)) || (!strncmp(optarg, "dreambox-rootfs", 15)))
{
my_printf("Flashing rootfs with arg %s\n", optarg);
strcpy(rootfs_device_arg, optarg);
user_rootfs = 1;
}
}
else
my_printf("Flashing rootfs\n");
break;
case 'm':
if (optarg)
{
errno = 0;
val = strtol(optarg, &endptr, 10);
if (errno != 0 || endptr == optarg)
{
my_printf("Error: Wrong multiboot partition value. Only numeric values are allowed!\n");
show_help = 1;
return 0;
}
else if (val > 0)
{
multiboot_partition = val;
my_printf("Flashing multiboot partition %d\n", multiboot_partition);
}
else if (val == 0)
{
my_printf("Flashing without rootSubDir check \n");
rootsubdir_check = 1;
}
}
break;
case 's':
if (optarg) {
my_printf("Using user defined slot directory: %s\n", optarg);
strcpy(slotname, optarg);
user_slotname = 1;
}
break;
case 'n':
no_write = 1;
break;
case 'f':
force_e2_stop = 1;
break;
case 'q':
quiet = 1;
break;
case '?':
show_help = 1;
return 0;
}
}
if (argc == 1)
{
show_help = 1;
return 0;
}
if (optind + 1 < argc)
{
my_printf("Wrong parameter: %s\n\n", argv[optind+1]);
show_help = 1;
return 0;
}
else if (optind + 1 == argc)
{
if (!find_image_files(argv[optind]))
return 0;
if (flash_kernel == 0 && flash_rootfs== 0) // set defaults
{
my_printf("Setting default parameter: Flashing kernel and rootfs\n");
flash_kernel = 1;
flash_rootfs = 1;
}
}
else
{
my_printf("Error: Image_directory parameter missing!\n\n");
show_help = 1;
return 0;
}
return 1;
}
int read_mtd_file()
{
FILE* f;
f = fopen("/proc/mtd", "r");
if (f == NULL)
{
perror("Error while opening /proc/mtd");
// for testing try to open local mtd file
f = fopen("./mtd", "r");
if (f == NULL)
return 0;
}
char line [1000];
char dev [1000];
char size [1000];
char esize[1000];
char name [1000];
char dev_path[] = "/dev/";
int line_nr = 0;
unsigned long devsize;
int wrong_user_mtd = 0;
my_printf("Found /proc/mtd entries:\n");
my_printf("Device: Size: Erasesize: Name: Image:\n");
while (fgets(line, 1000, f) != NULL)
{
line_nr++;
if (line_nr == 1) // check header
{
sscanf(line, "%s%s%s%s", dev, size, esize, name);
if (strcmp(dev , "dev:") != 0
|| strcmp(size , "size") != 0
|| strcmp(esize, "erasesize") != 0
|| strcmp(name , "name") != 0)
{
my_printf("Error: /proc/mtd has an invalid format\n");
fclose(f);
return 0;
}
}
else
{
sscanf(line, "%s%s%s%s", dev, size, esize, name);
my_printf("%s %12s %9s %-18s", dev, size, esize, name);
devsize = strtoul(size, 0, 16);
if (dev[strlen(dev)-1] == ':') // cut ':'
dev[strlen(dev)-1] = '\0';
// user selected kernel
if (user_kernel && !strcmp(dev, kernel_device_arg))
{
strcpy(&kernel_device[0], dev_path);
strcpy(&kernel_device[5], kernel_device_arg);
if (kernel_file_stat.st_size <= devsize)
{
if ((strcmp(name, "\"kernel\"") == 0
|| strcmp(name, "\"nkernel\"") == 0
|| strcmp(name, "\"kernel2\"") == 0
|| strcmp(name, "\"boot\"") == 0))
{
if (kernel_filename[0] != '\0')
my_printf(" -> %s <- User selected!!\n", kernel_filename);
else
my_printf(" <- User selected!!\n");
found_kernel_device = 1;
kernel_flash_mode = MTD;
}
else
{
my_printf(" <- Error: Selected by user is not a kernel mtd!!\n");
wrong_user_mtd = 1;
}
}
else
{
my_printf(" <- Error: Kernel file is bigger than device size!!\n");
wrong_user_mtd = 1;
}
}
// user selected rootfs
else if (user_rootfs && !strcmp(dev, rootfs_device_arg))
{
strcpy(&rootfs_device[0], dev_path);
strcpy(&rootfs_device[5], rootfs_device_arg);
if (rootfs_file_stat.st_size <= devsize
&& strcmp(esize, "0001f000") != 0)
{
if ((strcmp(name, "\"rootfs\"") == 0
|| strcmp(name, "\"rootfs2\"") == 0
|| strcmp(name, "\"dreambox-rootfs\"") == 0))
{
if (rootfs_filename[0] != '\0')
my_printf(" -> %s <- User selected!!\n", rootfs_filename);
else
my_printf(" <- User selected!!\n");
found_rootfs_device = 1;
rootfs_flash_mode = MTD;
}
else
{
my_printf(" <- Error: Selected by user is not a rootfs mtd!!\n");
wrong_user_mtd = 1;
}
}
else if (strcmp(esize, "0001f000") == 0)
{
my_printf(" <- Error: Invalid erasesize\n");
wrong_user_mtd = 1;
}
else
{
my_printf(" <- Error: Rootfs file is bigger than device size!!\n");
wrong_user_mtd = 1;
}
}
// auto kernel
else if (!user_kernel
&& (strcmp(name, "\"kernel\"") == 0
|| strcmp(name, "\"nkernel\"") == 0
|| (strcmp(name, "\"boot\"") == 0 && multiboot_partition == -1)
|| (strcmp(name, "\"linuxkernel1\"") == 0 && multiboot_partition == 1)
|| (strcmp(name, "\"linuxkernel2\"") == 0 && multiboot_partition == 2)))
{
if (found_kernel_device)
{
my_printf("\n");
continue;
}
strcpy(&kernel_device[0], dev_path);
strcpy(&kernel_device[5], dev);
if (kernel_file_stat.st_size <= devsize)
{
if (kernel_filename[0] != '\0')
my_printf(" -> %s\n", kernel_filename);
else
my_printf("\n");
found_kernel_device = 1;
kernel_flash_mode = MTD;
}
else
my_printf(" <- Error: Kernel file is bigger than device size!!\n");
}
// auto rootfs
else if (!user_rootfs
&& (strcmp(name, "\"rootfs\"") == 0
|| strcmp(name, "\"dreambox-rootfs\"") == 0
|| strcmp(name, "\"root\"") == 0
|| (strcmp(name, "\"userdata\"") == 0 && multiboot_partition != -1)))
{
if (found_rootfs_device)
{
my_printf("\n");
continue;
}
strcpy(&rootfs_device[0], dev_path);
strcpy(&rootfs_device[5], dev);
unsigned long devsize;
devsize = strtoul(size, 0, 16);
if (rootfs_file_stat.st_size <= devsize
&& strcmp(esize, "0001f000") != 0)
{
if (rootfs_filename[0] != '\0')
my_printf(" -> %s\n", rootfs_filename);
else
my_printf("\n");
found_rootfs_device = 1;
if (strcmp(name, "\"userdata\"") == 0) // box with subdir feature in mtd partition e.g. sfx6008
{
rootfs_flash_mode = TARBZ2_MTD;
sprintf(rootfs_sub_dir, "%s%d", slotname, multiboot_partition);
}
else
rootfs_flash_mode = MTD;
}
else if (strcmp(esize, "0001f000") == 0)
my_printf(" <- Error: Invalid erasesize\n");
else
my_printf(" <- Error: Rootfs file is bigger than device size!!\n");
}
else
my_printf("\n");
}
}
my_printf("Using kernel mtd device: %s\n", kernel_device);
my_printf("Using rootfs mtd device: %s\n", rootfs_device);
fclose(f);
if (wrong_user_mtd)
{
my_printf("Error: User selected mtd device cannot be used!\n");
return 0;
}
return 1;
}
int kernel_flash(char* device, char* filename)
{
if (kernel_flash_mode == TARBZ2)
return flash_ext4_kernel(device, filename, kernel_file_stat.st_size, quiet, no_write);
else if (kernel_flash_mode == MTD)
return flash_ubi_jffs2_kernel(device, filename, quiet, no_write);
}
int rootfs_flash(char* device, char* filename)
{
if (rootfs_flash_mode == TARBZ2 || rootfs_flash_mode == TARBZ2_MTD)
{
my_printf("Flash rootfs unpack\n");
return flash_unpack_rootfs(filename, quiet, no_write);
}
else if (rootfs_flash_mode == MTD)
{
if (rootfs_type == EXT4) // MTD rootfs with unknown format -> expect ubifs as only ubifs boxes support this
rootfs_type = UBIFS;
return flash_ubi_jffs2_rootfs(device, filename, rootfs_type, quiet, no_write);
}
}
/* detect rootfs type
* checks whether /newroot is mounted as tmpfs
* find mountpoint on which the rootfs image files are located
*/
int readProcMounts()
{
FILE *f;
struct mntent *mountEntry;
dev_t devno_of_name;
int block_dev;
int subdir_too = 1;
struct stat dummy_stat;
mountlist = NULL;
rootfs_type = UNKNOWN;
rootfs_mount_point[0] = '\0';
if (rootfs_filename[0] != '\0') // rootfs image file found
{
devno_of_name = rootfs_file_stat.st_dev;
block_dev = 0;
if (S_ISBLK(rootfs_file_stat.st_mode) || S_ISCHR(rootfs_file_stat.st_mode))
{
devno_of_name = rootfs_file_stat.st_rdev;
block_dev = 1;
}
}
f = setmntent("/proc/mounts", "r");
if (!f)
{
perror("Error while opening /proc/mounts");
return 0;
}
while ((mountEntry = getmntent(f)) != NULL)
{
// detect rootfs type
if ((strstr(mountEntry->mnt_fsname, "rootfs") != NULL || strstr(mountEntry->mnt_fsname, "ubifs") != NULL)
&& strcmp(mountEntry->mnt_dir, "/") == 0
&& strcmp(mountEntry->mnt_type, "ubifs") == 0)
{
my_printf("Found UBIFS rootfs\n");
rootfs_type = UBIFS;
strncpy(ubi_fs_name, mountEntry->mnt_fsname, 1000);
}
else if (strstr(mountEntry->mnt_fsname, "root") != NULL
&& strcmp(mountEntry->mnt_dir, "/") == 0
&& strcmp(mountEntry->mnt_type, "jffs2") == 0)
{
my_printf("Found JFFS2 rootfs\n");
rootfs_type = JFFS2;
}
else if (strcmp(mountEntry->mnt_dir, "/") == 0
&& strcmp(mountEntry->mnt_type, "ext4") == 0)
{
my_printf("Found EXT4 rootfs\n");
rootfs_type = EXT4;
}
// check newroot
else if (strcmp(mountEntry->mnt_dir, "/newroot") == 0
&& strcmp(mountEntry->mnt_type, "tmpfs") == 0)
{
my_printf("Found mounted /newroot\n");
newroot_mounted = 1;
}
else
{
if (rootfs_filename[0] != '\0')
{
// find mountpoint on which the image files are located
if (strcmp(rootfs_filename, mountEntry->mnt_dir) == 0
|| strcmp(rootfs_filename, mountEntry->mnt_fsname) == 0
|| (stat(mountEntry->mnt_fsname, &dummy_stat) == 0 && dummy_stat.st_rdev == devno_of_name)
|| (stat(mountEntry->mnt_dir, &dummy_stat) == 0 && dummy_stat.st_dev == devno_of_name))
{
strcpy(rootfs_mount_point, mountEntry->mnt_dir);
}
else // store all other mounts to unmount them
{
if (strcmp(mountEntry->mnt_dir, "/") != 0
&& strcmp(mountEntry->mnt_dir, "/sys") != 0
&& strcmp(mountEntry->mnt_dir, "/dev") != 0
&& strcmp(mountEntry->mnt_dir, "/dev/pts") != 0
&& strcmp(mountEntry->mnt_dir, "/proc") != 0
&& strcmp(mountEntry->mnt_dir, "/var/volatile") != 0)
{
mountlist_entry = malloc(sizeof(*mountlist_entry));
mountlist_entry->next = mountlist;
mountlist_entry->dir = strdup(mountEntry->mnt_dir);
mountlist = mountlist_entry;
}
}
}
}
}
endmntent(f);
if (rootfs_type == UNKNOWN)
my_printf("Found unknown rootfs\n");
if (rootfs_mount_point[0] != '\0')
my_printf("Found mountpoint for rootfs file: %s\n", rootfs_mount_point);
return 1;
}
int exec_ps()
{
// call ps
optind = 0; // reset getopt_long
char* argv[] = {
"ps", // program name
NULL
};
int argc = (int)(sizeof(argv) / sizeof(argv[0])) - 1;
my_printf("Execute: ps\n");
if (ps_main(argc, argv) == 9999)
{
return 1; // e2 found
}
return 0; // e2 not found
}
int check_e2_stopped()
{
int time = 0;
int max_time = 70;
int e2_found = 1;
set_step_progress(0);
if (!quiet)
my_printf("Checking E2 is running...\n");
while (time < max_time && e2_found)
{
e2_found = exec_ps();
if (!e2_found)
{
if (!quiet)
my_printf("E2 is stopped\n");
}
else
{
sleep(2);
time += 2;