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
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
|
/* uuencode.c -- uuencode utility.
* Copyright (C) 1994, 1995 Free Software Foundation, Inc.
*
* This product is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This product 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.
*
* You should have received a copy of the GNU General Public License
* along with this product; see the file COPYING. If not, write to
* the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* Original copyright notice is retained at the end of this file.
*/
/* Reworked to GNU style by Ian Lance Taylor, ian@airs.com, August 93. */
/* Hacked to work with BusyBox by Alfred M. Szmidt */
#include "busybox.h"
#include <stdio.h>
#include <errno.h>
#include <getopt.h>
#include <pwd.h>
#define RW (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)
static void encode __P ((void));
/* Pointer to the translation table we currently use. */
const char *trans_ptr;
/* The two currently defined translation tables. The first is the
standard uuencoding, the second is base64 encoding. */
const char uu_std[64] = {
'`', '!', '"', '#', '$', '%', '&', '\'',
'(', ')', '*', '+', ',', '-', '.', '/',
'0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', ':', ';', '<', '=', '>', '?',
'@', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
'X', 'Y', 'Z', '[', '\\', ']', '^', '_'
};
const char uu_base64[64] = {
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H',
'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P',
'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X',
'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f',
'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
'w', 'x', 'y', 'z', '0', '1', '2', '3',
'4', '5', '6', '7', '8', '9', '+', '/'
};
/* ENC is the basic 1 character encoding function to make a char printing. */
#define ENC(Char) (trans_ptr[(Char) & 077])
/* Copy from IN to OUT, encoding as you go along. */
static void encode()
{
register int ch, n;
char *p = NULL;
char buf[80];
while (1) {
n = 0;
do {
register int m = fread (buf, 1, 45 - n, stdin);
if (m == 0)
break;
n += m;
}
while (n < 45);
if (n == 0)
break;
if (trans_ptr == uu_std)
if (putchar (ENC (n)) == EOF)
break;
for (p = buf; n > 2; n -= 3, p += 3) {
ch = *p >> 2;
ch = ENC (ch);
if (putchar (ch) == EOF)
break;
ch = ((*p << 4) & 060) | ((p[1] >> 4) & 017);
ch = ENC (ch);
if (putchar (ch) == EOF)
break;
ch = ((p[1] << 2) & 074) | ((p[2] >> 6) & 03);
ch = ENC (ch);
if (putchar (ch) == EOF)
break;
ch = p[2] & 077;
ch = ENC (ch);
if (putchar (ch) == EOF)
break;
}
if (n != 0)
break;
if (putchar ('\n') == EOF)
break;
}
while (n != 0) {
char c1 = *p;
char c2 = n == 1 ? 0 : p[1];
ch = c1 >> 2;
ch = ENC (ch);
if (putchar (ch) == EOF)
break;
ch = ((c1 << 4) & 060) | ((c2 >> 4) & 017);
ch = ENC (ch);
if (putchar (ch) == EOF)
break;
if (n == 1)
ch = trans_ptr == uu_std ? ENC ('\0') : '=';
else {
ch = (c2 << 2) & 074;
ch = ENC (ch);
}
if (putchar (ch) == EOF)
break;
ch = trans_ptr == uu_std ? ENC ('\0') : '=';
if (putchar (ch) == EOF)
break;
putchar ('\n');
break;
}
if (ferror (stdin))
error_msg("Read error\n");
if (trans_ptr == uu_std) {
putchar (ENC ('\0'));
putchar ('\n');
}
}
int uuencode_main (int argc,
char **argv)
{
int opt;
struct stat sb;
int mode;
trans_ptr = uu_std; /* Standard encoding is old uu format */
/* Parse any options */
while ((opt = getopt (argc, argv, "m")) > 0) {
switch (opt) {
case 'm':
trans_ptr = uu_base64;
break;
default:
usage(uuencode_usage);
}
}
switch (argc - optind) {
case 2:
/* Optional first argument is input file. */
if (!freopen (argv[optind], "r", stdin) || fstat (fileno (stdin), &sb)) {
perror_msg("%s", argv[optind]);
return EXIT_FAILURE;
}
mode = sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
optind++;
break;
case 1:
mode = RW & ~umask (RW);
break;
case 0:
default:
usage(uuencode_usage);
}
printf("begin%s %o %s\n", trans_ptr == uu_std ? "" : "-base64",
mode, argv[optind]);
encode();
printf(trans_ptr == uu_std ? "end\n" : "====\n");
if (ferror (stdout)) {
error_msg("Write error\n");
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
/* Copyright (c) 1983 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. <BSD Advertising Clause omitted per the July 22, 1999 licensing change
* ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change>
*
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
|
