mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-06 02:47:31 +02:00
4f17fe653b
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@5941 3c298f89-4303-0410-b956-a3cf2f4a3e73
227 lines
6.1 KiB
Diff
227 lines
6.1 KiB
Diff
# Copyright (C) 2006 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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# expose (again) an hash_fd function (used in 911-ipkg.patch)
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#
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diff -ruN busybox-1.3.1-orig/coreutils/md5_sha1_sum.c busybox-1.3.1-913/coreutils/md5_sha1_sum.c
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--- busybox-1.3.1-orig/coreutils/md5_sha1_sum.c 2006-12-27 05:54:50.000000000 +0100
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+++ busybox-1.3.1-913/coreutils/md5_sha1_sum.c 2006-12-28 00:59:35.000000000 +0100
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@@ -8,78 +8,10 @@
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#include "busybox.h"
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-typedef enum { HASH_SHA1, HASH_MD5 } hash_algo_t;
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-
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#define FLAG_SILENT 1
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#define FLAG_CHECK 2
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#define FLAG_WARN 4
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-/* This might be useful elsewhere */
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-static unsigned char *hash_bin_to_hex(unsigned char *hash_value,
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- unsigned hash_length)
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-{
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- int len = 0;
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- char *hex_value = xmalloc((hash_length * 2) + 2);
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- while (hash_length--) {
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- len += sprintf(hex_value + len, "%02x", *hash_value++);
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- }
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- return hex_value;
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-}
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-
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-static uint8_t *hash_file(const char *filename, hash_algo_t hash_algo)
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-{
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- int src_fd, hash_len, count;
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- union _ctx_ {
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- sha1_ctx_t sha1;
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- md5_ctx_t md5;
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- } context;
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- uint8_t *hash_value = NULL;
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- RESERVE_CONFIG_UBUFFER(in_buf, 4096);
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- void (*update)(const void*, size_t, void*);
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- void (*final)(void*, void*);
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-
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- src_fd = STDIN_FILENO;
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- if (filename[0] != '-' || filename[1]) { /* not "-" */
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- src_fd = open(filename, O_RDONLY);
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- if (src_fd < 0) {
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- bb_perror_msg("%s", filename);
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- return NULL;
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- }
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- }
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-
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- /* figure specific hash algorithims */
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- if (ENABLE_MD5SUM && hash_algo==HASH_MD5) {
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- md5_begin(&context.md5);
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- update = (void (*)(const void*, size_t, void*))md5_hash;
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- final = (void (*)(void*, void*))md5_end;
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- hash_len = 16;
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- } else if (ENABLE_SHA1SUM && hash_algo==HASH_SHA1) {
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- sha1_begin(&context.sha1);
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- update = (void (*)(const void*, size_t, void*))sha1_hash;
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- final = (void (*)(void*, void*))sha1_end;
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- hash_len = 20;
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- } else {
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- bb_error_msg_and_die("algorithm not supported");
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- }
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-
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- while (0 < (count = safe_read(src_fd, in_buf, 4096))) {
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- update(in_buf, count, &context);
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- }
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-
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- if (count == 0) {
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- final(in_buf, &context);
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- hash_value = hash_bin_to_hex(in_buf, hash_len);
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- }
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-
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- RELEASE_CONFIG_BUFFER(in_buf);
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-
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- if (src_fd != STDIN_FILENO) {
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- close(src_fd);
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- }
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-
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- return hash_value;
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-}
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-
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int md5_sha1_sum_main(int argc, char **argv)
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{
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int return_value = EXIT_SUCCESS;
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diff -ruN busybox-1.3.1-orig/include/libbb.h busybox-1.3.1-913/include/libbb.h
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--- busybox-1.3.1-orig/include/libbb.h 2006-12-27 05:56:18.000000000 +0100
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+++ busybox-1.3.1-913/include/libbb.h 2006-12-27 23:25:52.000000000 +0100
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@@ -528,6 +528,8 @@
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extern const char bb_uuenc_tbl_std[];
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void bb_uuencode(const unsigned char *s, char *store, const int length, const char *tbl);
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+typedef enum { HASH_SHA1, HASH_MD5 } hash_algo_t;
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+
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typedef struct sha1_ctx_t {
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uint32_t count[2];
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uint32_t hash[5];
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@@ -550,6 +552,10 @@
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void md5_hash(const void *data, size_t length, md5_ctx_t *ctx);
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void *md5_end(void *resbuf, md5_ctx_t *ctx);
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+unsigned char *hash_bin_to_hex(unsigned char *hash_value, unsigned char hash_length);
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+int hash_fd(int fd, hash_algo_t hash_algo, uint8_t *hash_value);
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+uint8_t *hash_file(const char *filename, hash_algo_t hash_algo);
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+
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uint32_t *crc32_filltable(int endian);
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diff -ruN busybox-1.3.1-orig/libbb/hash.c busybox-1.3.1-913/libbb/hash.c
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--- busybox-1.3.1-orig/libbb/hash.c 1970-01-01 01:00:00.000000000 +0100
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+++ busybox-1.3.1-913/libbb/hash.c 2006-12-28 00:48:52.000000000 +0100
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@@ -0,0 +1,99 @@
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+/*
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+ * Copyright (C) 2003 Glenn L. McGrath
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+ * Copyright (C) 2003-2004 Erik Andersen
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+ *
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+ * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
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+ */
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+
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+#include <fcntl.h>
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+#include <limits.h>
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+#include <stdio.h>
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+#include <stdint.h>
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+#include <stdlib.h>
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+#include <string.h>
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+#include <unistd.h>
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+
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+#include "busybox.h"
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+
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+unsigned char *hash_bin_to_hex(unsigned char *hash_value, unsigned char hash_length)
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+{
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+ int len = 0;
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+ char *hex_value = xmalloc((hash_length * 2) + 2);
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+ while (hash_length--) {
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+ len += sprintf(hex_value + len, "%02x", *hash_value++);
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+ }
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+ return hex_value;
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+}
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+
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+int hash_fd(int fd, hash_algo_t hash_algo, uint8_t *hash_value)
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+{
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+ int count, result = 0;
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+ union _ctx_ {
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+ sha1_ctx_t sha1;
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+ md5_ctx_t md5;
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+ } context;
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+ RESERVE_CONFIG_UBUFFER(in_buf, 4096);
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+ void (*update)(const void*, size_t, void*) = NULL;
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+ void (*final)(void*, void*) = NULL;
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+
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+ // figure specific hash algorithims
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+ if (hash_algo==HASH_MD5) {
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+ md5_begin(&context.md5);
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+ update = (void (*)(const void*, size_t, void*))md5_hash;
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+ final = (void (*)(void*, void*))md5_end;
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+ } else if (hash_algo==HASH_SHA1) {
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+ sha1_begin(&context.sha1);
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+ update = (void (*)(const void*, size_t, void*))sha1_hash;
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+ final = (void (*)(void*, void*))sha1_end;
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+ }
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+
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+
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+ while (0 < (count = safe_read(fd, in_buf, sizeof in_buf))) {
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+ update(in_buf, count, &context);
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+ result += count;
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+ }
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+
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+ if (count == 0) {
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+ final(hash_value, &context);
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+ }
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+
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+ RELEASE_CONFIG_BUFFER(in_buf);
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+
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+ return result;
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+}
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+
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+uint8_t *hash_file(const char *filename, hash_algo_t hash_algo)
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+{
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+ int src_fd, hash_len;
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+ RESERVE_CONFIG_UBUFFER(hash_buf, 20);
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+ uint8_t *hash_value = NULL;
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+
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+ if (ENABLE_MD5SUM && hash_algo==HASH_MD5) {
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+ hash_len = 16;
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+ } else if (ENABLE_SHA1SUM && hash_algo==HASH_SHA1) {
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+ hash_len = 20;
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+ } else {
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+ bb_error_msg_and_die("algotithm not supported");
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+ }
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+
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+ src_fd = STDIN_FILENO;
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+ if (filename[0] != '-' || filename[1]) { /* not "-" */
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+ src_fd = open(filename, O_RDONLY);
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+ if (src_fd < 0) {
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+ bb_perror_msg("%s", filename);
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+ return NULL;
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+ }
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+ }
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+
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+ if (hash_fd(src_fd, hash_algo, hash_buf) > 0) {
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+ hash_value = hash_bin_to_hex(hash_buf, hash_len);
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+ }
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+
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+ if (src_fd != STDIN_FILENO) {
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+ close(src_fd);
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+ }
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+
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+ RELEASE_CONFIG_BUFFER(hash_buf);
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+
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+ return hash_value;
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+}
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diff -ruN busybox-1.3.1-orig/libbb/Kbuild busybox-1.3.1-913/libbb/Kbuild
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--- busybox-1.3.1-orig/libbb/Kbuild 2006-12-27 05:55:04.000000000 +0100
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+++ busybox-1.3.1-913/libbb/Kbuild 2006-12-27 23:31:20.000000000 +0100
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@@ -37,6 +37,7 @@
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lib-y += get_last_path_component.o
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lib-y += get_line_from_file.o
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lib-y += getopt32.o
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+lib-y += hash.o
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lib-y += herror_msg.o
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lib-y += herror_msg_and_die.o
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lib-y += human_readable.o
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