Annotation of src/usr.bin/ssh/uuencode.c, Revision 1.24
1.24 ! deraadt 1: /* $OpenBSD: uuencode.c,v 1.23 2006/08/01 23:22:48 stevesk 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:
1.22 stevesk 26: #include <sys/types.h>
27: #include <netinet/in.h>
28: #include <resolv.h>
1.23 stevesk 29: #include <stdio.h>
1.22 stevesk 30:
1.1 markus 31: #include "xmalloc.h"
1.10 itojun 32: #include "uuencode.h"
1.6 djm 33:
1.1 markus 34: int
1.17 jakob 35: uuencode(const u_char *src, u_int srclength,
1.4 markus 36: char *target, size_t targsize)
1.1 markus 37: {
1.5 markus 38: return __b64_ntop(src, srclength, target, targsize);
1.1 markus 39: }
40:
41: int
1.8 markus 42: uudecode(const char *src, u_char *target, size_t targsize)
1.1 markus 43: {
1.5 markus 44: int len;
45: char *encoded, *p;
46:
47: /* copy the 'readonly' source */
48: encoded = xstrdup(src);
49: /* skip whitespace and data */
50: for (p = encoded; *p == ' ' || *p == '\t'; p++)
51: ;
52: for (; *p != '\0' && *p != ' ' && *p != '\t'; p++)
53: ;
1.13 markus 54: /* and remove trailing whitespace because __b64_pton needs this */
1.5 markus 55: *p = '\0';
56: len = __b64_pton(encoded, target, targsize);
57: xfree(encoded);
58: return len;
1.1 markus 59: }
60:
61: void
1.14 markus 62: dump_base64(FILE *fp, u_char *data, u_int len)
1.1 markus 63: {
1.21 deraadt 64: char *buf;
1.1 markus 65: int i, n;
1.9 deraadt 66:
1.19 djm 67: if (len > 65536) {
68: fprintf(fp, "dump_base64: len > 65536\n");
69: return;
70: }
71: buf = xmalloc(2*len);
1.4 markus 72: n = uuencode(data, len, buf, 2*len);
1.1 markus 73: for (i = 0; i < n; i++) {
74: fprintf(fp, "%c", buf[i]);
75: if (i % 70 == 69)
76: fprintf(fp, "\n");
77: }
78: if (i % 70 != 69)
79: fprintf(fp, "\n");
80: xfree(buf);
81: }