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
|
/*
* Copyright (c) 2007, Cameron Rich
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of the axTLS project 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "ssl.h"
int tfd;
void base64_encode(const uint8_t *in, size_t inlen, char *out, size_t outlen)
{
static const char b64str[64] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
while (inlen && outlen)
{
*out++ = b64str[(in[0] >> 2) & 0x3f];
if (!--outlen)
break;
*out++ = b64str[((in[0] << 4)
+ (--inlen ? in[1] >> 4 : 0)) & 0x3f];
if (!--outlen)
break;
*out++ = (inlen
? b64str[((in[1] << 2)
+ (--inlen ? in[2] >> 6 : 0))
& 0x3f]
: '=');
if (!--outlen)
break;
*out++ = inlen ? b64str[in[2] & 0x3f] : '=';
if (!--outlen)
break;
if (inlen)
inlen--;
if (inlen)
in += 3;
}
if (outlen)
*out = '\0';
}
static void usage(void)
{
fprintf(stderr,"Usage: htpasswd username\n");
exit(1);
}
#ifdef WIN32
static char * getpass(const char *prompt)
{
static char buf[127];
FILE *fp = stdin;
printf(prompt); TTY_FLUSH();
#if 0
fp = fopen("/dev/tty", "w");
if (fp == NULL)
{
printf("null\n"); TTY_FLUSH();
fp = stdin;
}
#endif
fgets(buf, sizeof(buf), fp);
while (buf[strlen(buf)-1] < ' ')
buf[strlen(buf)-1] = '\0';
//if (fp != stdin)
// fclose(fp);
return buf;
}
#endif
int main(int argc, char *argv[])
{
char* pw;
uint8_t md5_salt[MD5_SIZE], md5_pass[MD5_SIZE];
char b64_salt[MD5_SIZE+10], b64_pass[MD5_SIZE+10];
MD5_CTX ctx;
if (argc != 2)
usage();
pw = strdup(getpass("New password:"));
if (strcmp(pw, getpass("Re-type new password:")) != 0)
{
fprintf(stderr, "They don't match, sorry.\n" );
exit(1);
}
RNG_initialize((uint8_t *)pw, sizeof(pw));
get_random(MD5_SIZE, md5_salt);
RNG_terminate();
base64_encode(md5_salt, MD5_SIZE, b64_salt, sizeof(b64_salt));
MD5_Init(&ctx);
MD5_Update(&ctx, md5_salt, MD5_SIZE);
MD5_Update(&ctx, (uint8_t *)pw, strlen(pw));
MD5_Final(md5_pass, &ctx);
base64_encode(md5_pass, MD5_SIZE, b64_pass, sizeof(b64_pass));
printf("Add the following to your '.htpasswd' file\n");
printf("%s:%s$%s\n", argv[1], b64_salt, b64_pass);
return 0;
}
|
