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
|
/*
* Copyright (c) 2004, 2006, 2008 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* 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. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "windlocl.h"
#include <stdlib.h>
#include <string.h>
#include <errno.h>
/**
* Process a input UCS4 string according a string-prep profile.
*
* @param in input UCS4 string to process
* @param in_len length of the input string
* @param out output UCS4 string
* @param out_len length of the output string.
* @param flags stringprep profile.
*
* @return returns 0 on success, an wind error code otherwise
* @ingroup wind
*/
int
wind_stringprep(const uint32_t *in, size_t in_len,
uint32_t *out, size_t *out_len,
wind_profile_flags flags)
{
size_t tmp_len = in_len * 3;
uint32_t *tmp;
int ret;
size_t olen;
if (in_len == 0) {
*out_len = 0;
return 0;
}
tmp = malloc(tmp_len * sizeof(uint32_t));
if (tmp == NULL)
return ENOMEM;
ret = _wind_stringprep_map(in, in_len, tmp, &tmp_len, flags);
if (ret) {
free(tmp);
return ret;
}
olen = *out_len;
ret = _wind_stringprep_normalize(tmp, tmp_len, tmp, &olen);
if (ret) {
free(tmp);
return ret;
}
ret = _wind_stringprep_prohibited(tmp, olen, flags);
if (ret) {
free(tmp);
return ret;
}
ret = _wind_stringprep_testbidi(tmp, olen, flags);
if (ret) {
free(tmp);
return ret;
}
/* Insignificant Character Handling for ldap-prep */
if (flags & WIND_PROFILE_LDAP_CASE_EXACT_ATTRIBUTE) {
ret = _wind_ldap_case_exact_attribute(tmp, olen, out, out_len);
#if 0
} else if (flags & WIND_PROFILE_LDAP_CASE_EXACT_ASSERTION) {
} else if (flags & WIND_PROFILE_LDAP_NUMERIC) {
} else if (flags & WIND_PROFILE_LDAP_TELEPHONE) {
#endif
} else {
memcpy(out, tmp, sizeof(out[0]) * olen);
*out_len = olen;
}
free(tmp);
return ret;
}
const static struct {
const char *name;
wind_profile_flags flags;
} profiles[] = {
{ "nameprep", WIND_PROFILE_NAME },
{ "saslprep", WIND_PROFILE_SASL },
{ "ldapprep", WIND_PROFILE_LDAP }
};
/**
* Try to find the profile given a name.
*
* @param name name of the profile.
* @param flags the resulting profile.
*
* @return returns 0 on success, an wind error code otherwise
* @ingroup wind
*/
int
wind_profile(const char *name, wind_profile_flags *flags)
{
unsigned int i;
for (i = 0; i < sizeof(profiles)/sizeof(profiles[0]); i++) {
if (strcasecmp(profiles[i].name, name) == 0) {
*flags = profiles[i].flags;
return 0;
}
}
return WIND_ERR_NO_PROFILE;
}
|
