Annotation of src/usr.bin/uuencode/uuencode.c, Revision 1.6
1.6 ! deraadt 1: /* $OpenBSD: uuencode.c,v 1.5 2003/06/03 02:56:21 millert Exp $ */
1.1 deraadt 2: /* $NetBSD: uuencode.c,v 1.7 1994/11/17 07:41:15 jtc Exp $ */
3:
4: /*-
5: * Copyright (c) 1983, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
1.5 millert 16: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30: * SUCH DAMAGE.
31: */
32:
33: char copyright[] =
34: "@(#) Copyright (c) 1983, 1993\n\
35: The Regents of the University of California. All rights reserved.\n";
36:
37: #ifndef lint
38: #if 0
39: static char sccsid[] = "@(#)uuencode.c 8.2 (Berkeley) 4/2/94";
40: #endif
1.6 ! deraadt 41: static char rcsid[] = "$OpenBSD: uuencode.c,v 1.5 2003/06/03 02:56:21 millert Exp $";
1.1 deraadt 42: #endif /* not lint */
43:
44: /*
45: * uuencode [input] output
46: *
47: * Encode a file so it can be mailed to a remote system.
48: */
49: #include <stdio.h>
50: #include <stdlib.h>
51: #include <string.h>
52: #include <locale.h>
53: #include <errno.h>
54: #include <sys/types.h>
55: #include <sys/stat.h>
56: #include <unistd.h>
57:
1.6 ! deraadt 58: static void encode(void);
! 59: static __dead void usage(void);
1.1 deraadt 60:
61: int
1.6 ! deraadt 62: main(int argc, char *argv[])
1.1 deraadt 63: {
64: struct stat sb;
65: int mode;
66:
67: setlocale(LC_ALL, "");
68:
69: while (getopt(argc, argv, "") != -1)
70: usage();
71: argv += optind;
72: argc -= optind;
73:
74: switch(argc) {
75: case 2: /* optional first argument is input file */
76: if (!freopen(*argv, "r", stdin) || fstat(fileno(stdin), &sb)) {
77: (void)fprintf(stderr, "uuencode: %s: %s.\n",
78: *argv, strerror(errno));
79: exit(1);
80: }
81: #define RWX (S_IRWXU|S_IRWXG|S_IRWXO)
82: mode = sb.st_mode & RWX;
83: ++argv;
84: break;
85: case 1:
86: #define RW (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
87: mode = RW & ~umask(RW);
88: break;
89: case 0:
90: default:
91: usage();
92: }
93:
94: (void)printf("begin %o %s\n", mode, *argv);
95: encode();
96: (void)printf("end\n");
97: if (ferror(stdout)) {
98: (void)fprintf(stderr, "uuencode: write error.\n");
99: exit(1);
100: }
101: exit(0);
102: }
103:
104: /* ENC is the basic 1 character encoding function to make a char printing */
105: #define ENC(c) ((c) ? ((c) & 077) + ' ': '`')
106:
107: /*
108: * copy from in to out, encoding as you go along.
109: */
110: static void
1.6 ! deraadt 111: encode(void)
1.1 deraadt 112: {
1.4 mpech 113: int ch, n;
114: char *p;
1.1 deraadt 115: char buf[80];
116:
1.3 deraadt 117: while ((n = fread(buf, 1, 45, stdin))) {
1.1 deraadt 118: ch = ENC(n);
119: if (putchar(ch) == EOF)
120: break;
121: for (p = buf; n > 0; n -= 3, p += 3) {
122: ch = *p >> 2;
123: ch = ENC(ch);
124: if (putchar(ch) == EOF)
125: break;
126: ch = (*p << 4) & 060 | (p[1] >> 4) & 017;
127: ch = ENC(ch);
128: if (putchar(ch) == EOF)
129: break;
130: ch = (p[1] << 2) & 074 | (p[2] >> 6) & 03;
131: ch = ENC(ch);
132: if (putchar(ch) == EOF)
133: break;
134: ch = p[2] & 077;
135: ch = ENC(ch);
136: if (putchar(ch) == EOF)
137: break;
138: }
139: if (putchar('\n') == EOF)
140: break;
141: }
142: if (ferror(stdin)) {
143: (void)fprintf(stderr, "uuencode: read error.\n");
144: exit(1);
145: }
146: ch = ENC('\0');
147: (void)putchar(ch);
148: (void)putchar('\n');
149: }
150:
151: static void
1.6 ! deraadt 152: usage(void)
1.1 deraadt 153: {
154: (void)fprintf(stderr,"usage: uuencode [infile] remotefile\n");
155: exit(1);
156: }
![[BACK]](/icons/back.gif){kind=icon}
Return to uuencode.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / uuencode