#include <netinet/in.h>
#include "md5.h"
-
-#define ALIGN(x,a) ({ typeof(a) __a = (a); (((x) + __a - 1) & ~(__a - 1)); })
-#define ARRAY_SIZE(a) (sizeof((a)) / sizeof((a)[0]))
+#include "mktplinkfw-lib.h"
#define HEADER_VERSION_V1 0x01000000
#define HEADER_VERSION_V2 0x02000000
-#define MD5SUM_LEN 16
-
-struct file_info {
- char *file_name; /* name of the file */
- uint32_t file_size; /* length of the file */
-};
-
struct fw_header {
uint32_t version; /* header version */
char vendor_name[24];
uint8_t pad2[160];
} __attribute__ ((packed));
-struct flash_layout {
- char *id;
- uint32_t fw_max_len;
- uint32_t kernel_la;
- uint32_t kernel_ep;
- uint32_t rootfs_ofs;
-};
-
struct fw_region {
char name[4];
uint32_t code;
/*
* Globals
*/
-static char *ofname;
-static char *progname;
+char *ofname;
+char *progname;
static char *vendor = "TP-LINK Technologies";
static char *version = "ver. 1.0";
static char *fw_ver = "0.0.0";
static uint32_t hdr_ver = HEADER_VERSION_V1;
static char *layout_id;
-static struct flash_layout *layout;
+struct flash_layout *layout;
static char *opt_hw_id;
static uint32_t hw_id;
static char *opt_hw_rev;
static int fw_ver_lo;
static int fw_ver_mid;
static int fw_ver_hi;
-static struct file_info kernel_info;
+struct file_info kernel_info;
static uint32_t kernel_la = 0;
static uint32_t kernel_ep = 0;
-static uint32_t kernel_len = 0;
-static struct file_info rootfs_info;
-static uint32_t rootfs_ofs = 0;
-static uint32_t rootfs_align;
+uint32_t kernel_len = 0;
+struct file_info rootfs_info;
+uint32_t rootfs_ofs = 0;
+uint32_t rootfs_align;
static struct file_info boot_info;
-static int combined;
-static int strip_padding;
-static int ignore_size;
-static int add_jffs2_eof;
-static unsigned char jffs2_eof_mark[4] = {0xde, 0xad, 0xc0, 0xde};
+int combined;
+int strip_padding;
+int add_jffs2_eof;
static uint32_t fw_max_len;
static uint32_t reserved_space;
.kernel_la = 0x00000000 ,
.kernel_ep = 0xc0000000,
.rootfs_ofs = 0x2a0000,
- }, {
- /*
- Some devices (e.g. TL-WR1043 v4) use a mktplinkfw kernel image
- embedded in a tplink-safeloader image as os-image partition.
-
- We use a 1.5MB partition for the compressed kernel, which should
- be sufficient, but not too wasteful (the flash of the TL-WR1043 v4
- has 16MB in total).
- */
- .id = "16Msafeloader",
- .fw_max_len = 0x180000,
- .kernel_la = 0x80060000,
- .kernel_ep = 0x80060000,
- .rootfs_ofs = 0,
}, {
/* terminating entry */
}
{"EU", 0},
};
-/*
- * Message macros
- */
-#define ERR(fmt, ...) do { \
- fflush(0); \
- fprintf(stderr, "[%s] *** error: " fmt "\n", \
- progname, ## __VA_ARGS__ ); \
-} while (0)
-
-#define ERRS(fmt, ...) do { \
- int save = errno; \
- fflush(0); \
- fprintf(stderr, "[%s] *** error: " fmt ": %s\n", \
- progname, ## __VA_ARGS__, strerror(save)); \
-} while (0)
-
-#define DBG(fmt, ...) do { \
- fprintf(stderr, "[%s] " fmt "\n", progname, ## __VA_ARGS__ ); \
-} while (0)
-
-static struct flash_layout *find_layout(const char *id)
-{
- struct flash_layout *ret;
- struct flash_layout *l;
-
- ret = NULL;
- for (l = layouts; l->id != NULL; l++){
- if (strcasecmp(id, l->id) == 0) {
- ret = l;
- break;
- }
- };
-
- return ret;
-}
-
static const struct fw_region * find_region(const char *country) {
size_t i;
" -R <offset> overwrite rootfs offset with <offset> (hexval prefixed with 0x)\n"
" -o <file> write output to the file <file>\n"
" -s strip padding from the end of the image\n"
-" -S ignore firmware size limit (only for combined images)\n"
" -j add jffs2 end-of-filesystem markers\n"
" -N <vendor> set image vendor to <vendor>\n"
" -V <version> set image version to <version>\n"
exit(status);
}
-static void get_md5(const char *data, int size, uint8_t *md5)
-{
- MD5_CTX ctx;
-
- MD5_Init(&ctx);
- MD5_Update(&ctx, data, size);
- MD5_Final(md5, &ctx);
-}
-
-static int get_file_stat(struct file_info *fdata)
-{
- struct stat st;
- int res;
-
- if (fdata->file_name == NULL)
- return 0;
-
- res = stat(fdata->file_name, &st);
- if (res){
- ERRS("stat failed on %s", fdata->file_name);
- return res;
- }
-
- fdata->file_size = st.st_size;
- return 0;
-}
-
-static int read_to_buf(const struct file_info *fdata, char *buf)
-{
- FILE *f;
- int ret = EXIT_FAILURE;
-
- f = fopen(fdata->file_name, "r");
- if (f == NULL) {
- ERRS("could not open \"%s\" for reading", fdata->file_name);
- goto out;
- }
-
- errno = 0;
- fread(buf, fdata->file_size, 1, f);
- if (errno != 0) {
- ERRS("unable to read from file \"%s\"", fdata->file_name);
- goto out_close;
- }
-
- ret = EXIT_SUCCESS;
-
- out_close:
- fclose(f);
- out:
- return ret;
-}
-
static int check_options(void)
{
int ret;
}
hw_id = strtoul(opt_hw_id, NULL, 0);
- if (layout_id == NULL) {
+ if (!combined && layout_id == NULL) {
ERR("flash layout is not specified");
return -1;
}
}
}
- layout = find_layout(layout_id);
- if (layout == NULL) {
- ERR("unknown flash layout \"%s\"", layout_id);
- return -1;
- }
+ if (combined) {
+ if (!kernel_la || !kernel_ep) {
+ ERR("kernel loading address and entry point must be specified for combined image");
+ return -1;
+ }
+ } else {
+ layout = find_layout(layouts, layout_id);
+ if (layout == NULL) {
+ ERR("unknown flash layout \"%s\"", layout_id);
+ return -1;
+ }
- if (!kernel_la)
- kernel_la = layout->kernel_la;
- if (!kernel_ep)
- kernel_ep = layout->kernel_ep;
- if (!rootfs_ofs)
- rootfs_ofs = layout->rootfs_ofs;
+ if (!kernel_la)
+ kernel_la = layout->kernel_la;
+ if (!kernel_ep)
+ kernel_ep = layout->kernel_ep;
+ if (!rootfs_ofs)
+ rootfs_ofs = layout->rootfs_ofs;
- if (reserved_space > layout->fw_max_len) {
- ERR("reserved space is not valid");
- return -1;
+ if (reserved_space > layout->fw_max_len) {
+ ERR("reserved space is not valid");
+ return -1;
+ }
}
- fw_max_len = layout->fw_max_len - reserved_space;
-
if (kernel_info.file_name == NULL) {
ERR("no kernel image specified");
return -1;
kernel_len = kernel_info.file_size;
- if (combined) {
- exceed_bytes = kernel_info.file_size - (fw_max_len - sizeof(struct fw_header));
- if (exceed_bytes > 0) {
- if (!ignore_size) {
- ERR("kernel image is too big by %i bytes", exceed_bytes);
- return -1;
- }
- layout->fw_max_len = sizeof(struct fw_header) +
- kernel_info.file_size +
- reserved_space;
- }
- } else {
+ if (!combined) {
+ fw_max_len = layout->fw_max_len - reserved_space;
+
if (rootfs_info.file_name == NULL) {
ERR("no rootfs image specified");
return -1;
if (rootfs_align) {
kernel_len += sizeof(struct fw_header);
- kernel_len = ALIGN(kernel_len, rootfs_align);
+ rootfs_ofs = ALIGN(kernel_len, rootfs_align);
kernel_len -= sizeof(struct fw_header);
- DBG("kernel length aligned to %u", kernel_len);
+ DBG("rootfs offset aligned to 0x%u", rootfs_ofs);
exceed_bytes = kernel_len + rootfs_info.file_size - (fw_max_len - sizeof(struct fw_header));
if (exceed_bytes > 0) {
return 0;
}
-static void fill_header(char *buf, int len)
+void fill_header(char *buf, int len)
{
struct fw_header *hdr = (struct fw_header *)buf;
hdr->hw_id = htonl(hw_id);
hdr->hw_rev = htonl(hw_rev);
- if (boot_info.file_size == 0)
- memcpy(hdr->md5sum1, md5salt_normal, sizeof(hdr->md5sum1));
- else
- memcpy(hdr->md5sum1, md5salt_boot, sizeof(hdr->md5sum1));
-
hdr->kernel_la = htonl(kernel_la);
hdr->kernel_ep = htonl(kernel_ep);
- hdr->fw_length = htonl(layout->fw_max_len);
hdr->kernel_ofs = htonl(sizeof(struct fw_header));
hdr->kernel_len = htonl(kernel_len);
+
if (!combined) {
+ if (boot_info.file_size == 0)
+ memcpy(hdr->md5sum1, md5salt_normal, sizeof(hdr->md5sum1));
+ else
+ memcpy(hdr->md5sum1, md5salt_boot, sizeof(hdr->md5sum1));
+
+ hdr->fw_length = htonl(layout->fw_max_len);
hdr->rootfs_ofs = htonl(rootfs_ofs);
hdr->rootfs_len = htonl(rootfs_info.file_size);
}
hdr->kernel_ep = bswap_32(hdr->kernel_ep);
}
- get_md5(buf, len, hdr->md5sum1);
-}
-
-static int pad_jffs2(char *buf, int currlen)
-{
- int len;
- uint32_t pad_mask;
-
- len = currlen;
- pad_mask = (64 * 1024);
- while ((len < layout->fw_max_len) && (pad_mask != 0)) {
- uint32_t mask;
- int i;
-
- for (i = 10; i < 32; i++) {
- mask = 1 << i;
- if (pad_mask & mask)
- break;
- }
-
- len = ALIGN(len, mask);
-
- for (i = 10; i < 32; i++) {
- mask = 1 << i;
- if ((len & (mask - 1)) == 0)
- pad_mask &= ~mask;
- }
-
- for (i = 0; i < sizeof(jffs2_eof_mark); i++)
- buf[len + i] = jffs2_eof_mark[i];
-
- len += sizeof(jffs2_eof_mark);
- }
-
- return len;
-}
-
-static int write_fw(const char *data, int len)
-{
- FILE *f;
- int ret = EXIT_FAILURE;
-
- f = fopen(ofname, "w");
- if (f == NULL) {
- ERRS("could not open \"%s\" for writing", ofname);
- goto out;
- }
-
- errno = 0;
- fwrite(data, len, 1, f);
- if (errno) {
- ERRS("unable to write output file");
- goto out_flush;
- }
-
- DBG("firmware file \"%s\" completed", ofname);
-
- ret = EXIT_SUCCESS;
-
- out_flush:
- fflush(f);
- fclose(f);
- if (ret != EXIT_SUCCESS) {
- unlink(ofname);
- }
- out:
- return ret;
-}
-
-static int build_fw(void)
-{
- int buflen;
- char *buf;
- char *p;
- int ret = EXIT_FAILURE;
- int writelen = 0;
-
- buflen = layout->fw_max_len;
-
- buf = malloc(buflen);
- if (!buf) {
- ERR("no memory for buffer\n");
- goto out;
- }
-
- memset(buf, 0xff, buflen);
- p = buf + sizeof(struct fw_header);
- ret = read_to_buf(&kernel_info, p);
- if (ret)
- goto out_free_buf;
-
- writelen = sizeof(struct fw_header) + kernel_len;
-
- if (!combined) {
- if (rootfs_align)
- p = buf + writelen;
- else
- p = buf + rootfs_ofs;
-
- ret = read_to_buf(&rootfs_info, p);
- if (ret)
- goto out_free_buf;
-
- if (rootfs_align)
- writelen += rootfs_info.file_size;
- else
- writelen = rootfs_ofs + rootfs_info.file_size;
-
- if (add_jffs2_eof)
- writelen = pad_jffs2(buf, writelen);
- }
-
- if (!strip_padding)
- writelen = buflen;
-
- fill_header(buf, writelen);
- ret = write_fw(buf, writelen);
- if (ret)
- goto out_free_buf;
-
- ret = EXIT_SUCCESS;
-
- out_free_buf:
- free(buf);
- out:
- return ret;
-}
-
-/* Helper functions to inspect_fw() representing different output formats */
-static inline void inspect_fw_pstr(const char *label, const char *str)
-{
- printf("%-23s: %s\n", label, str);
-}
-
-static inline void inspect_fw_phex(const char *label, uint32_t val)
-{
- printf("%-23s: 0x%08x\n", label, val);
-}
-
-static inline void inspect_fw_phexdec(const char *label, uint32_t val)
-{
- printf("%-23s: 0x%08x / %8u bytes\n", label, val, val);
-}
-
-static inline void inspect_fw_pmd5sum(const char *label, const uint8_t *val, const char *text)
-{
- int i;
-
- printf("%-23s:", label);
- for (i=0; i<MD5SUM_LEN; i++)
- printf(" %02x", val[i]);
- printf(" %s\n", text);
+ if (!combined)
+ get_md5(buf, len, hdr->md5sum1);
}
static int inspect_fw(void)
while ( 1 ) {
int c;
- c = getopt(argc, argv, "a:H:E:F:L:m:V:N:W:C:ci:k:r:R:o:xX:ehsSjv:");
+ c = getopt(argc, argv, "a:H:E:F:L:m:V:N:W:C:ci:k:r:R:o:xX:ehsjv:");
if (c == -1)
break;
case 's':
strip_padding = 1;
break;
- case 'S':
- ignore_size = 1;
- break;
case 'i':
inspect_info.file_name = optarg;
break;
goto out;
if (!inspect_info.file_name)
- ret = build_fw();
+ ret = build_fw(sizeof(struct fw_header));
else
ret = inspect_fw();
projects / openwrt / openwrt.git / blobdiff