summaryrefslogtreecommitdiff
path: root/package/busybox/patches/913-libbb_hash.patch
blob: e371b328383e99123a17e1b2da62562560182b06 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
Index: busybox-1.4.2/coreutils/md5_sha1_sum.c
===================================================================
--- busybox-1.4.2.orig/coreutils/md5_sha1_sum.c	2007-06-04 13:21:31.536182440 +0200
+++ busybox-1.4.2/coreutils/md5_sha1_sum.c	2007-06-04 13:21:37.709243992 +0200
@@ -8,76 +8,10 @@
 
 #include "busybox.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 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 = STDIN_FILENO;
-	if (NOT_LONE_DASH(filename)) {
-		src_fd = open(filename, O_RDONLY);
-		if (src_fd < 0) {
-			bb_perror_msg("%s", filename);
-			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)
 {
 	int return_value = EXIT_SUCCESS;
Index: busybox-1.4.2/include/libbb.h
===================================================================
--- busybox-1.4.2.orig/include/libbb.h	2007-06-04 13:21:35.388596784 +0200
+++ busybox-1.4.2/include/libbb.h	2007-06-04 13:21:37.709243992 +0200
@@ -641,6 +641,7 @@
 extern const char bb_uuenc_tbl_std[];
 void bb_uuencode(const unsigned char *s, char *store, const 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];
@@ -662,6 +663,8 @@
 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(int endian);
 
Index: busybox-1.4.2/libbb/Kbuild
===================================================================
--- busybox-1.4.2.orig/libbb/Kbuild	2007-06-04 13:21:31.548180616 +0200
+++ busybox-1.4.2/libbb/Kbuild	2007-06-04 13:21:37.710243840 +0200
@@ -37,6 +37,7 @@
 lib-y += get_last_path_component.o
 lib-y += get_line_from_file.o
 lib-y += getopt32.o
+lib-y += hash.o
 lib-y += herror_msg.o
 lib-y += herror_msg_and_die.o
 lib-y += human_readable.o
Index: busybox-1.4.2/libbb/hash.c
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ busybox-1.4.2/libbb/hash.c	2007-06-04 13:21:37.710243840 +0200
@@ -0,0 +1,82 @@
+/*
+ *  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 = STDIN_FILENO;
+	if (NOT_LONE_DASH(filename)) {
+		src_fd = open(filename, O_RDONLY);
+		if (src_fd < 0) {
+			bb_perror_msg("%s", filename);
+			return NULL;
+		}
+	}
+
+	/* figure specific hash algorithims */
+	if (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 (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;
+}
+
+