Annotation of src/usr.bin/ssh/uuencode.c, Revision 1.21
1.21 ! deraadt 1: /* $OpenBSD: uuencode.c,v 1.20 2006/03/25 13:17:03 djm Exp $ */
1.1 markus 2: /*
1.4 markus 3: * Copyright (c) 2000 Markus Friedl. All rights reserved.
1.7 deraadt 4: *
5: * Redistribution and use in source and binary forms, with or without
6: * modification, are permitted provided that the following conditions
7: * are met:
8: * 1. Redistributions of source code must retain the above copyright
9: * notice, this list of conditions and the following disclaimer.
10: * 2. Redistributions in binary form must reproduce the above copyright
11: * notice, this list of conditions and the following disclaimer in the
12: * documentation and/or other materials provided with the distribution.
13: *
14: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.1 markus 24: */
1.7 deraadt 25:
1.1 markus 26: #include "includes.h"
1.15 stevesk 27:
1.1 markus 28: #include "xmalloc.h"
1.10 itojun 29: #include "uuencode.h"
1.1 markus 30:
1.12 deraadt 31: #include <resolv.h>
1.6 djm 32:
1.1 markus 33: int
1.17 jakob 34: uuencode(const u_char *src, u_int srclength,
1.4 markus 35: char *target, size_t targsize)
1.1 markus 36: {
1.5 markus 37: return __b64_ntop(src, srclength, target, targsize);
1.1 markus 38: }
39:
40: int
1.8 markus 41: uudecode(const char *src, u_char *target, size_t targsize)
1.1 markus 42: {
1.5 markus 43: int len;
44: char *encoded, *p;
45:
46: /* copy the 'readonly' source */
47: encoded = xstrdup(src);
48: /* skip whitespace and data */
49: for (p = encoded; *p == ' ' || *p == '\t'; p++)
50: ;
51: for (; *p != '\0' && *p != ' ' && *p != '\t'; p++)
52: ;
1.13 markus 53: /* and remove trailing whitespace because __b64_pton needs this */
1.5 markus 54: *p = '\0';
55: len = __b64_pton(encoded, target, targsize);
56: xfree(encoded);
57: return len;
1.1 markus 58: }
59:
60: void
1.14 markus 61: dump_base64(FILE *fp, u_char *data, u_int len)
1.1 markus 62: {
1.21 ! deraadt 63: char *buf;
1.1 markus 64: int i, n;
1.9 deraadt 65:
1.19 djm 66: if (len > 65536) {
67: fprintf(fp, "dump_base64: len > 65536\n");
68: return;
69: }
70: buf = xmalloc(2*len);
1.4 markus 71: n = uuencode(data, len, buf, 2*len);
1.1 markus 72: for (i = 0; i < n; i++) {
73: fprintf(fp, "%c", buf[i]);
74: if (i % 70 == 69)
75: fprintf(fp, "\n");
76: }
77: if (i % 70 != 69)
78: fprintf(fp, "\n");
79: xfree(buf);
80: }