mirror of https://github.com/hak5/openwrt-owl.git
229 lines
6.5 KiB
Diff
229 lines
6.5 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-1.2.0-orig/coreutils/md5_sha1_sum.c busybox-1.2.0-libbb_hash/coreutils/md5_sha1_sum.c
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--- busybox-1.2.0-orig/coreutils/md5_sha1_sum.c 2006-07-01 00:42:07.000000000 +0200
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+++ busybox-1.2.0-libbb_hash/coreutils/md5_sha1_sum.c 2006-07-22 17:08:02.000000000 +0200
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@@ -16,79 +16,10 @@
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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 char hash_length)
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-{
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- int x, len, max;
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- unsigned char *hex_value;
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-
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- max = (hash_length * 2) + 2;
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- hex_value = xmalloc(max);
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- for (x = len = 0; x < hash_length; x++) {
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- len += snprintf((char*)(hex_value + len), max - len, "%02x", hash_value[x]);
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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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- if (strcmp(filename, "-") == 0) {
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- src_fd = STDIN_FILENO;
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- } else if(0 > (src_fd = open(filename, O_RDONLY))) {
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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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- /* 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 = 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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/* This could become a common function for md5 as well, by using md5_stream */
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static int hash_files(int argc, char **argv, hash_algo_t hash_algo)
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{
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diff -ruN busybox-1.2.0-orig/include/libbb.h busybox-1.2.0-libbb_hash/include/libbb.h
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--- busybox-1.2.0-orig/include/libbb.h 2006-07-01 00:42:10.000000000 +0200
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+++ busybox-1.2.0-libbb_hash/include/libbb.h 2006-07-22 17:01:06.000000000 +0200
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@@ -518,6 +518,8 @@
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extern int get_terminal_width_height(int fd, int *width, int *height);
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extern unsigned long get_ug_id(const char *s, long (*__bb_getxxnam)(const char *));
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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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@@ -542,6 +544,10 @@
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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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extern uint32_t *bb_crc32_filltable (int endian);
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#ifndef RB_POWER_OFF
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diff -ruN busybox-1.2.0-orig/libbb/hash.c busybox-1.2.0-libbb_hash/libbb/hash.c
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--- busybox-1.2.0-orig/libbb/hash.c 1970-01-01 01:00:00.000000000 +0100
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+++ busybox-1.2.0-libbb_hash/libbb/hash.c 2006-07-22 17:07:34.000000000 +0200
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@@ -0,0 +1,100 @@
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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 x, len, max;
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+ unsigned char *hex_value;
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+
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+ max = (hash_length * 2) + 2;
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+ hex_value = xmalloc(max);
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+ for (x = len = 0; x < hash_length; x++) {
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+ len += snprintf((char*)(hex_value + len), max - len, "%02x", hash_value[x]);
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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 = 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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+ if (strcmp(filename, "-") == 0) {
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+ src_fd = STDIN_FILENO;
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+ } else if (0 > (src_fd = open(filename, O_RDONLY))) {
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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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+ 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-1.2.0-orig/libbb/Makefile.in busybox-1.2.0-libbb_hash/libbb/Makefile.in
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--- busybox-1.2.0-orig/libbb/Makefile.in 2006-07-01 00:42:08.000000000 +0200
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+++ busybox-1.2.0-libbb_hash/libbb/Makefile.in 2006-07-22 16:51:47.000000000 +0200
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@@ -11,6 +11,7 @@
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LIBBB-n:=
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LIBBB-y:= \
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+ hash.c \
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bb_asprintf.c ask_confirmation.c change_identity.c chomp.c \
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compare_string_array.c concat_path_file.c copy_file.c copyfd.c \
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crc32.c create_icmp_socket.c create_icmp6_socket.c \
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