diff options
Diffstat (limited to 'tools/firmware-utils/src/mktplinkfw-lib.c')
| -rw-r--r-- | tools/firmware-utils/src/mktplinkfw-lib.c | 261 |
1 files changed, 0 insertions, 261 deletions
diff --git a/tools/firmware-utils/src/mktplinkfw-lib.c b/tools/firmware-utils/src/mktplinkfw-lib.c deleted file mode 100644 index 9ad2a5d216..0000000000 --- a/tools/firmware-utils/src/mktplinkfw-lib.c +++ /dev/null @@ -1,261 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org> - * - * This tool was based on: - * TP-Link WR941 V2 firmware checksum fixing tool. - * Copyright (C) 2008,2009 Wang Jian <lark@linux.net.cn> - */ - -#include <stdio.h> -#include <stdlib.h> -#include <stdint.h> -#include <string.h> -#include <unistd.h> /* for unlink() */ -#include <libgen.h> -#include <getopt.h> /* for getopt() */ -#include <stdarg.h> -#include <stdbool.h> -#include <endian.h> -#include <errno.h> -#include <sys/stat.h> - -#include <arpa/inet.h> -#include <netinet/in.h> - -#include "mktplinkfw-lib.h" -#include "md5.h" - -extern char *ofname; -extern char *progname; -extern uint32_t kernel_len; -extern struct file_info kernel_info; -extern struct file_info rootfs_info; -extern struct flash_layout *layout; -extern uint32_t rootfs_ofs; -extern uint32_t rootfs_align; -extern int combined; -extern int strip_padding; -extern int add_jffs2_eof; - -static unsigned char jffs2_eof_mark[4] = {0xde, 0xad, 0xc0, 0xde}; - -void fill_header(char *buf, int len); - -struct flash_layout *find_layout(struct flash_layout *layouts, 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; -} - -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); -} - -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; -} - -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 pad_jffs2(char *buf, int currlen, int maxlen) -{ - int len; - uint32_t pad_mask; - - len = currlen; - pad_mask = (4 * 1024) | (64 * 1024); /* EOF at 4KB and at 64KB */ - while ((len < maxlen) && (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; -} - -int write_fw(const char *ofname, 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; -} - -/* Helper functions to inspect_fw() representing different output formats */ -inline void inspect_fw_pstr(const char *label, const char *str) -{ - printf("%-23s: %s\n", label, str); -} - -inline void inspect_fw_phex(const char *label, uint32_t val) -{ - printf("%-23s: 0x%08x\n", label, val); -} - -inline void inspect_fw_phexdec(const char *label, uint32_t val) -{ - printf("%-23s: 0x%08x / %8u bytes\n", label, val, val); -} - -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); -} - -// header_size = sizeof(struct fw_header) -int build_fw(size_t header_size) -{ - int buflen; - char *buf; - char *p; - int ret = EXIT_FAILURE; - int writelen = 0; - - writelen = header_size + kernel_len; - - if (combined) - buflen = writelen; - else - buflen = layout->fw_max_len; - - buf = malloc(buflen); - if (!buf) { - ERR("no memory for buffer\n"); - goto out; - } - - memset(buf, 0xff, buflen); - p = buf + header_size; - ret = read_to_buf(&kernel_info, p); - if (ret) - goto out_free_buf; - - if (!combined) { - p = buf + rootfs_ofs; - - ret = read_to_buf(&rootfs_info, p); - if (ret) - goto out_free_buf; - - writelen = rootfs_ofs + rootfs_info.file_size; - - if (add_jffs2_eof) - writelen = pad_jffs2(buf, writelen, layout->fw_max_len); - } - - if (!strip_padding) - writelen = buflen; - - fill_header(buf, writelen); - ret = write_fw(ofname, buf, writelen); - if (ret) - goto out_free_buf; - - ret = EXIT_SUCCESS; - -out_free_buf: - free(buf); -out: - return ret; -} |