186 lines
4.6 KiB
Diff
186 lines
4.6 KiB
Diff
--- a/include/libbb.h
|
|
+++ b/include/libbb.h
|
|
@@ -1214,6 +1214,7 @@
|
|
extern const char bb_uuenc_tbl_std[];
|
|
void bb_uuencode(char *store, const void *s, int length, const char *tbl);
|
|
|
|
+typedef enum { HASH_SHA1, HASH_MD5 } hash_algo_t;
|
|
typedef struct sha1_ctx_t {
|
|
uint32_t count[2];
|
|
uint32_t hash[5];
|
|
@@ -1235,6 +1236,8 @@
|
|
void md5_begin(md5_ctx_t *ctx);
|
|
void md5_hash(const void *data, size_t length, md5_ctx_t *ctx);
|
|
void *md5_end(void *resbuf, md5_ctx_t *ctx);
|
|
+unsigned char *hash_bin_to_hex(unsigned char *hash_value, unsigned hash_length);
|
|
+uint8_t *hash_file(const char *filename, hash_algo_t hash_algo);
|
|
|
|
uint32_t *crc32_filltable(uint32_t *tbl256, int endian);
|
|
|
|
--- a/coreutils/md5_sha1_sum.c
|
|
+++ b/coreutils/md5_sha1_sum.c
|
|
@@ -8,72 +8,10 @@
|
|
|
|
#include "libbb.h"
|
|
|
|
-typedef enum { HASH_SHA1, HASH_MD5 } hash_algo_t;
|
|
-
|
|
#define FLAG_SILENT 1
|
|
#define FLAG_CHECK 2
|
|
#define FLAG_WARN 4
|
|
|
|
-/* This might be useful elsewhere */
|
|
-static unsigned char *hash_bin_to_hex(unsigned char *hash_value,
|
|
- unsigned hash_length)
|
|
-{
|
|
- /* xzalloc zero-terminates */
|
|
- char *hex_value = xzalloc((hash_length * 2) + 1);
|
|
- bin2hex(hex_value, (char*)hash_value, hash_length);
|
|
- return (unsigned char *)hex_value;
|
|
-}
|
|
-
|
|
-static uint8_t *hash_file(const char *filename, hash_algo_t hash_algo)
|
|
-{
|
|
- int src_fd, hash_len, count;
|
|
- union _ctx_ {
|
|
- sha1_ctx_t sha1;
|
|
- md5_ctx_t md5;
|
|
- } context;
|
|
- uint8_t *hash_value = NULL;
|
|
- RESERVE_CONFIG_UBUFFER(in_buf, 4096);
|
|
- void (*update)(const void*, size_t, void*);
|
|
- void (*final)(void*, void*);
|
|
-
|
|
- src_fd = open_or_warn_stdin(filename);
|
|
- if (src_fd < 0) {
|
|
- return NULL;
|
|
- }
|
|
-
|
|
- /* figure specific hash algorithims */
|
|
- if (ENABLE_MD5SUM && hash_algo==HASH_MD5) {
|
|
- md5_begin(&context.md5);
|
|
- update = (void (*)(const void*, size_t, void*))md5_hash;
|
|
- final = (void (*)(void*, void*))md5_end;
|
|
- hash_len = 16;
|
|
- } else if (ENABLE_SHA1SUM && hash_algo==HASH_SHA1) {
|
|
- sha1_begin(&context.sha1);
|
|
- update = (void (*)(const void*, size_t, void*))sha1_hash;
|
|
- final = (void (*)(void*, void*))sha1_end;
|
|
- hash_len = 20;
|
|
- } else {
|
|
- bb_error_msg_and_die("algorithm not supported");
|
|
- }
|
|
-
|
|
- while (0 < (count = safe_read(src_fd, in_buf, 4096))) {
|
|
- update(in_buf, count, &context);
|
|
- }
|
|
-
|
|
- if (count == 0) {
|
|
- final(in_buf, &context);
|
|
- hash_value = hash_bin_to_hex(in_buf, hash_len);
|
|
- }
|
|
-
|
|
- RELEASE_CONFIG_BUFFER(in_buf);
|
|
-
|
|
- if (src_fd != STDIN_FILENO) {
|
|
- close(src_fd);
|
|
- }
|
|
-
|
|
- return hash_value;
|
|
-}
|
|
-
|
|
int md5_sha1_sum_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
|
|
int md5_sha1_sum_main(int argc ATTRIBUTE_UNUSED, char **argv)
|
|
{
|
|
--- a/libbb/Kbuild
|
|
+++ b/libbb/Kbuild
|
|
@@ -40,6 +40,7 @@
|
|
lib-y += get_last_path_component.o
|
|
lib-y += get_line_from_file.o
|
|
lib-y += getopt32.o
|
|
+lib-y += hash.o
|
|
lib-y += getpty.o
|
|
lib-y += herror_msg.o
|
|
lib-y += herror_msg_and_die.o
|
|
--- /dev/null
|
|
+++ b/libbb/hash.c
|
|
@@ -0,0 +1,78 @@
|
|
+/*
|
|
+ * Copyright (C) 2003 Glenn L. McGrath
|
|
+ * Copyright (C) 2003-2004 Erik Andersen
|
|
+ *
|
|
+ * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
|
|
+ */
|
|
+
|
|
+#include <fcntl.h>
|
|
+#include <limits.h>
|
|
+#include <stdio.h>
|
|
+#include <stdint.h>
|
|
+#include <stdlib.h>
|
|
+#include <string.h>
|
|
+#include <unistd.h>
|
|
+
|
|
+#include "busybox.h"
|
|
+
|
|
+/* This might be useful elsewhere */
|
|
+unsigned char *hash_bin_to_hex(unsigned char *hash_value,
|
|
+ unsigned hash_length)
|
|
+{
|
|
+ /* xzalloc zero-terminates */
|
|
+ char *hex_value = xzalloc((hash_length * 2) + 1);
|
|
+ bin2hex(hex_value, (char*)hash_value, hash_length);
|
|
+ return hex_value;
|
|
+}
|
|
+
|
|
+uint8_t *hash_file(const char *filename, hash_algo_t hash_algo)
|
|
+{
|
|
+ int src_fd, hash_len, count;
|
|
+ union _ctx_ {
|
|
+ sha1_ctx_t sha1;
|
|
+ md5_ctx_t md5;
|
|
+ } context;
|
|
+ uint8_t *hash_value = NULL;
|
|
+ RESERVE_CONFIG_UBUFFER(in_buf, 4096);
|
|
+ void (*update)(const void*, size_t, void*);
|
|
+ void (*final)(void*, void*);
|
|
+
|
|
+ src_fd = open_or_warn_stdin(filename);
|
|
+ if (src_fd < 0) {
|
|
+ return NULL;
|
|
+ }
|
|
+
|
|
+ /* figure specific hash algorithims */
|
|
+ if (ENABLE_MD5SUM && hash_algo==HASH_MD5) {
|
|
+ md5_begin(&context.md5);
|
|
+ update = (void (*)(const void*, size_t, void*))md5_hash;
|
|
+ final = (void (*)(void*, void*))md5_end;
|
|
+ hash_len = 16;
|
|
+ } else if (ENABLE_SHA1SUM && hash_algo==HASH_SHA1) {
|
|
+ sha1_begin(&context.sha1);
|
|
+ update = (void (*)(const void*, size_t, void*))sha1_hash;
|
|
+ final = (void (*)(void*, void*))sha1_end;
|
|
+ hash_len = 20;
|
|
+ } else {
|
|
+ bb_error_msg_and_die("algorithm not supported");
|
|
+ }
|
|
+
|
|
+ while (0 < (count = safe_read(src_fd, in_buf, 4096))) {
|
|
+ update(in_buf, count, &context);
|
|
+ }
|
|
+
|
|
+ if (count == 0) {
|
|
+ final(in_buf, &context);
|
|
+ hash_value = hash_bin_to_hex(in_buf, hash_len);
|
|
+ }
|
|
+
|
|
+ RELEASE_CONFIG_BUFFER(in_buf);
|
|
+
|
|
+ if (src_fd != STDIN_FILENO) {
|
|
+ close(src_fd);
|
|
+ }
|
|
+
|
|
+ return hash_value;
|
|
+}
|
|
+
|
|
+
|