1 files changed, 0 insertions, 468 deletions
diff --git a/package/system/fwtool/src/fwtool.c b/package/system/fwtool/src/fwtool.c
deleted file mode 100644
index 89e89514ad..0000000000
--- a/package/system/fwtool/src/fwtool.c
+++ /dev/null
@@ -1,468 +0,0 @@
-/*
- * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-#include <sys/types.h>
-#include <stdio.h>
-#include <getopt.h>
-#include <stdbool.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "fwimage.h"
-#include "utils.h"
-#include "crc32.h"
-
-#define METADATA_MAXLEN		30 * 1024
-#define SIGNATURE_MAXLEN	1 * 1024
-
-#define BUFLEN			(METADATA_MAXLEN + SIGNATURE_MAXLEN + 1024)
-
-enum {
-	MODE_DEFAULT = -1,
-	MODE_EXTRACT = 0,
-	MODE_APPEND = 1,
-};
-
-struct data_buf {
-	char *cur;
-	char *prev;
-	int cur_len;
-	int file_len;
-};
-
-static FILE *signature_file, *metadata_file, *firmware_file;
-static int file_mode = MODE_DEFAULT;
-static bool truncate_file;
-static bool write_truncated;
-static bool quiet = false;
-
-static uint32_t crc_table[256];
-
-#define msg(...)					\
-	do {						\
-		if (!quiet)				\
-			fprintf(stderr, __VA_ARGS__);	\
-	} while (0)
-
-static int
-usage(const char *progname)
-{
-	fprintf(stderr, "Usage: %s <options> <firmware>\n"
-		"\n"
-		"Options:\n"
-		"  -S <file>:		Append signature file to firmware image\n"
-		"  -I <file>:		Append metadata file to firmware image\n"
-		"  -s <file>:		Extract signature file from firmware image\n"
-		"  -i <file>:		Extract metadata file from firmware image\n"
-		"  -t:			Remove extracted chunks from firmare image (using -s, -i)\n"
-		"  -T:			Output firmware image without extracted chunks to stdout (using -s, -i)\n"
-		"  -q:			Quiet (suppress error messages)\n"
-		"\n", progname);
-	return 1;
-}
-
-static FILE *
-open_file(const char *name, bool write)
-{
-	FILE *ret;
-
-	if (!strcmp(name, "-"))
-		return write ? stdout : stdin;
-
-	ret = fopen(name, write ? "w" : "r+");
-	if (!ret && !write)
-		ret = fopen(name, "r");
-
-	return ret;
-}
-
-static int
-set_file(FILE **file, const char *name, int mode)
-{
-	if (file_mode < 0)
-		file_mode = mode;
-	else if (file_mode != mode) {
-		msg("Error: mixing appending and extracting data is not supported\n");
-		return 1;
-	}
-
-	if (*file) {
-		msg("Error: the same append/extract option cannot be used multiple times\n");
-		return 1;
-	}
-
-	*file = open_file(name, mode == MODE_EXTRACT);
-	return !*file;
-}
-
-static void
-trailer_update_crc(struct fwimage_trailer *tr, void *buf, int len)
-{
-	tr->crc32 = cpu_to_be32(crc32_block(be32_to_cpu(tr->crc32), buf, len, crc_table));
-}
-
-static int
-append_data(FILE *in, FILE *out, struct fwimage_trailer *tr, int maxlen)
-{
-	while (1) {
-		char buf[512];
-		int len;
-
-		len = fread(buf, 1, sizeof(buf), in);
-		if (!len)
-			break;
-
-		maxlen -= len;
-		if (maxlen < 0)
-			return 1;
-
-		tr->size += len;
-		trailer_update_crc(tr, buf, len);
-		fwrite(buf, len, 1, out);
-	}
-
-	return 0;
-}
-
-static void
-append_trailer(FILE *out, struct fwimage_trailer *tr)
-{
-	tr->size = cpu_to_be32(tr->size);
-	fwrite(tr, sizeof(*tr), 1, out);
-	trailer_update_crc(tr, tr, sizeof(*tr));
-}
-
-static int
-add_metadata(struct fwimage_trailer *tr)
-{
-	struct fwimage_header hdr = {};
-
-	tr->type = FWIMAGE_INFO;
-	tr->size = sizeof(hdr) + sizeof(*tr);
-
-	trailer_update_crc(tr, &hdr, sizeof(hdr));
-	fwrite(&hdr, sizeof(hdr), 1, firmware_file);
-
-	if (append_data(metadata_file, firmware_file, tr, METADATA_MAXLEN))
-		return 1;
-
-	append_trailer(firmware_file, tr);
-
-	return 0;
-}
-
-static int
-add_signature(struct fwimage_trailer *tr)
-{
-	if (!signature_file)
-		return 0;
-
-	tr->type = FWIMAGE_SIGNATURE;
-	tr->size = sizeof(*tr);
-
-	if (append_data(signature_file, firmware_file, tr, SIGNATURE_MAXLEN))
-		return 1;
-
-	append_trailer(firmware_file, tr);
-
-	return 0;
-}
-
-static int
-add_data(const char *name)
-{
-	struct fwimage_trailer tr = {
-		.magic = cpu_to_be32(FWIMAGE_MAGIC),
-		.crc32 = ~0,
-	};
-	int file_len = 0;
-	int ret = 0;
-
-	firmware_file = fopen(name, "r+");
-	if (!firmware_file) {
-		msg("Failed to open firmware file\n");
-		return 1;
-	}
-
-	while (1) {
-		char buf[512];
-		int len;
-
-		len = fread(buf, 1, sizeof(buf), firmware_file);
-		if (!len)
-			break;
-
-		file_len += len;
-		trailer_update_crc(&tr, buf, len);
-	}
-
-	if (metadata_file)
-		ret = add_metadata(&tr);
-	else if (signature_file)
-		ret = add_signature(&tr);
-
-	if (ret) {
-		fflush(firmware_file);
-		ftruncate(fileno(firmware_file), file_len);
-	}
-
-	return ret;
-}
-
-static void
-remove_tail(struct data_buf *dbuf, int len)
-{
-	dbuf->cur_len -= len;
-	dbuf->file_len -= len;
-
-	if (dbuf->cur_len)
-		return;
-
-	free(dbuf->cur);
-	dbuf->cur = dbuf->prev;
-	dbuf->prev = NULL;
-	dbuf->cur_len = BUFLEN;
-}
-
-static int
-extract_tail(struct data_buf *dbuf, void *dest, int len)
-{
-	int cur_len = dbuf->cur_len;
-
-	if (!dbuf->cur)
-		return 1;
-
-	if (cur_len >= len)
-		cur_len = len;
-
-	memcpy(dest + (len - cur_len), dbuf->cur + dbuf->cur_len - cur_len, cur_len);
-	remove_tail(dbuf, cur_len);
-
-	cur_len = len - cur_len;
-	if (cur_len && !dbuf->cur)
-		return 1;
-
-	memcpy(dest, dbuf->cur + dbuf->cur_len - cur_len, cur_len);
-	remove_tail(dbuf, cur_len);
-
-	return 0;
-}
-
-static uint32_t
-tail_crc32(struct data_buf *dbuf, uint32_t crc32)
-{
-	if (dbuf->prev)
-		crc32 = crc32_block(crc32, dbuf->prev, BUFLEN, crc_table);
-
-	return crc32_block(crc32, dbuf->cur, dbuf->cur_len, crc_table);
-}
-
-static int
-validate_metadata(struct fwimage_header *hdr, int data_len)
-{
-	 if (hdr->version != 0)
-		 return 1;
-	 return 0;
-}
-
-static int
-extract_data(const char *name)
-{
-	struct fwimage_header *hdr;
-	struct fwimage_trailer tr;
-	struct data_buf dbuf = {};
-	uint32_t crc32 = ~0;
-	int data_len = 0;
-	int ret = 1;
-	void *buf;
-	bool metadata_keep = false;
-
-	firmware_file = open_file(name, false);
-	if (!firmware_file) {
-		msg("Failed to open firmware file\n");
-		return 1;
-	}
-
-	if (truncate_file && firmware_file == stdin) {
-		msg("Cannot truncate file when reading from stdin\n");
-		return 1;
-	}
-
-	buf = malloc(BUFLEN);
-	if (!buf)
-		return 1;
-
-	do {
-		char *tmp = dbuf.cur;
-
-		if (write_truncated && dbuf.prev)
-			fwrite(dbuf.prev, 1, BUFLEN, stdout);
-
-		dbuf.cur = dbuf.prev;
-		dbuf.prev = tmp;
-
-		if (dbuf.cur)
-			crc32 = crc32_block(crc32, dbuf.cur, BUFLEN, crc_table);
-		else
-			dbuf.cur = malloc(BUFLEN);
-
-		if (!dbuf.cur)
-			goto out;
-
-		dbuf.cur_len = fread(dbuf.cur, 1, BUFLEN, firmware_file);
-		dbuf.file_len += dbuf.cur_len;
-	} while (dbuf.cur_len == BUFLEN);
-
-	while (1) {
-
-		if (extract_tail(&dbuf, &tr, sizeof(tr)))
-			break;
-
-		if (tr.magic != cpu_to_be32(FWIMAGE_MAGIC)) {
-			msg("Data not found\n");
-			metadata_keep = true;
-			break;
-		}
-
-		data_len = be32_to_cpu(tr.size) - sizeof(tr);
-
-		if (be32_to_cpu(tr.crc32) != tail_crc32(&dbuf, crc32)) {
-			msg("CRC error\n");
-			break;
-		}
-
-		if (data_len > BUFLEN) {
-			msg("Size error\n");
-			break;
-		}
-
-		extract_tail(&dbuf, buf, data_len);
-
-		if (tr.type == FWIMAGE_SIGNATURE) {
-			if (!signature_file)
-				continue;
-			fwrite(buf, data_len, 1, signature_file);
-			ret = 0;
-			break;
-		} else if (tr.type == FWIMAGE_INFO) {
-			if (!metadata_file) {
-				dbuf.file_len += data_len + sizeof(tr);
-				metadata_keep = true;
-				break;
-			}
-
-			hdr = buf;
-			data_len -= sizeof(*hdr);
-			if (validate_metadata(hdr, data_len))
-				continue;
-
-			fwrite(hdr + 1, data_len, 1, metadata_file);
-			ret = 0;
-			break;
-		} else {
-			continue;
-		}
-	}
-
-	if (!ret && truncate_file)
-		ftruncate(fileno(firmware_file), dbuf.file_len);
-
-	if (write_truncated) {
-		if (dbuf.prev)
-			fwrite(dbuf.prev, 1, BUFLEN, stdout);
-		if (dbuf.cur)
-			fwrite(dbuf.cur, 1, dbuf.cur_len, stdout);
-		if (metadata_keep) {
-			fwrite(buf, data_len, 1, stdout);
-			fwrite(&tr, sizeof(tr), 1, stdout);
-		}
-	}
-
-out:
-	free(buf);
-	free(dbuf.cur);
-	free(dbuf.prev);
-	return ret;
-}
-
-static void cleanup(void)
-{
-	if (signature_file)
-		fclose(signature_file);
-	if (metadata_file)
-		fclose(metadata_file);
-	if (firmware_file)
-		fclose(firmware_file);
-}
-
-int main(int argc, char **argv)
-{
-	const char *progname = argv[0];
-	int ret, ch;
-
-	crc32_filltable(crc_table);
-
-	while ((ch = getopt(argc, argv, "i:I:qs:S:tT")) != -1) {
-		ret = 0;
-		switch(ch) {
-		case 'S':
-			ret = set_file(&signature_file, optarg, MODE_APPEND);
-			break;
-		case 'I':
-			ret = set_file(&metadata_file, optarg, MODE_APPEND);
-			break;
-		case 's':
-			ret = set_file(&signature_file, optarg, MODE_EXTRACT);
-			break;
-		case 'i':
-			ret = set_file(&metadata_file, optarg, MODE_EXTRACT);
-			break;
-		case 't':
-			truncate_file = true;
-			break;
-		case 'T':
-			write_truncated = true;
-			break;
-		case 'q':
-			quiet = true;
-			break;
-		}
-
-		if (ret)
-			goto out;
-	}
-
-	if (optind >= argc) {
-		ret = usage(progname);
-		goto out;
-	}
-
-	if (file_mode == MODE_DEFAULT) {
-		ret = usage(progname);
-		goto out;
-	}
-
-	if (signature_file && metadata_file) {
-		msg("Cannot append/extract metadata and signature in one run\n");
-		return 1;
-	}
-
-	if (file_mode)
-		ret = add_data(argv[optind]);
-	else
-		ret = extract_data(argv[optind]);
-
-out:
-	cleanup();
-	return ret;
-}