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Viewing changes to src/tls/asn1_test.c

  • Committer: Bazaar Package Importer
  • Author(s): Kel Modderman
  • Date: 2008-03-12 20:03:04 UTC
  • mfrom: (1.1.10 upstream)
  • mto: This revision was merged to the branch mainline in revision 4.
  • Revision ID: james.westby@ubuntu.com-20080312200304-4331y9wj46pdd34z
Tags: 0.6.3-1
http://bugs.debian.org/466910
* New upstream release.
* Drop patches applied upstream:
  - debian/patches/30_wpa_gui_qt4_eventhistoryui_rework.patch
  - debian/patches/31_wpa_gui_qt4_eventhistory_always_scrollbar.patch
  - debian/patches/32_wpa_gui_qt4_eventhistory_scroll_with_events.patch
  - debian/patches/40_dbus_ssid_data.patch
* Tidy up the clean target of debian/rules. Now that the madwifi headers are
  handled differently we no longer need to do any cleanup.
* Fix formatting error in debian/ifupdown/wpa_action.8 to make lintian
  quieter.
* Add patch to fix formatting errors in manpages build from sgml source. Use
  <emphasis> tags to hightlight keywords instead of surrounding them in
  strong quotes.
  - debian/patches/41_manpage_format_fixes.patch
* wpasupplicant binary package no longer suggests pcscd, guessnet, iproute
  or wireless-tools, nor does it recommend dhcp3-client. These are not
  needed.
* Add debian/patches/10_silence_siocsiwauth_icotl_failure.patch to disable
  ioctl failure messages that occur under normal conditions.
* Cherry pick two upstream git commits concerning the dbus interface:
  - debian/patches/11_avoid_dbus_version_namespace.patch
  - debian/patches/12_fix_potential_use_after_free.patch
* Add debian/patches/42_manpage_explain_available_drivers.patch to explain
  that not all of the driver backends are available in the provided
  wpa_supplicant binary, and that the canonical list of supported driver
  backends can be retrieved from the wpa_supplicant -h (help) output.
  (Closes: #466910)
* Add debian/patches/20_wpa_gui_qt4_disable_link_prl.patch to remove
  link_prl CONFIG compile flag added by qmake-qt4 >= 4.3.4-2 to avoid excess
  linking.

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src/tls/asn1_test.c
 
1
/*
 
2
 * Testing tool for ASN.1/X.509v3 routines
 
3
 * Copyright (c) 2006, Jouni Malinen <j@w1.fi>
 
4
 *
 
5
 * This program is free software; you can redistribute it and/or modify
 
6
 * it under the terms of the GNU General Public License version 2 as
 
7
 * published by the Free Software Foundation.
 
8
 *
 
9
 * Alternatively, this software may be distributed under the terms of BSD
 
10
 * license.
 
11
 *
 
12
 * See README and COPYING for more details.
 
13
 */
 
14
 
 
15
#include "includes.h"
 
16
 
 
17
#include "common.h"
 
18
#include "asn1.h"
 
19
#include "x509v3.h"
 
20
 
 
21
extern int wpa_debug_level;
 
22
 
 
23
 
 
24
static const char * asn1_class_str(int class)
 
25
{
 
26
        switch (class) {
 
27
        case ASN1_CLASS_UNIVERSAL:
 
28
                return "Universal";
 
29
        case ASN1_CLASS_APPLICATION:
 
30
                return "Application";
 
31
        case ASN1_CLASS_CONTEXT_SPECIFIC:
 
32
                return "Context-specific";
 
33
        case ASN1_CLASS_PRIVATE:
 
34
                return "Private";
 
35
        default:
 
36
                return "?";
 
37
        }
 
38
}
 
39
 
 
40
 
 
41
int asn1_parse(const u8 *buf, size_t len, int level)
 
42
{
 
43
        const u8 *pos, *prev, *end;
 
44
        char prefix[10], str[100];
 
45
        int _level;
 
46
        struct asn1_hdr hdr;
 
47
        struct asn1_oid oid;
 
48
        u8 tmp;
 
49
 
 
50
        _level = level;
 
51
        if ((size_t) _level > sizeof(prefix) - 1)
 
52
                _level = sizeof(prefix) - 1;
 
53
        memset(prefix, ' ', _level);
 
54
        prefix[_level] = '\0';
 
55
 
 
56
        pos = buf;
 
57
        end = buf + len;
 
58
 
 
59
        while (pos < end) {
 
60
                if (asn1_get_next(pos, end - pos, &hdr) < 0)
 
61
                        return -1;
 
62
 
 
63
                prev = pos;
 
64
                pos = hdr.payload;
 
65
 
 
66
                wpa_printf(MSG_MSGDUMP, "ASN.1:%s Class %d(%s) P/C %d(%s) "
 
67
                           "Tag %u Length %u",
 
68
                           prefix, hdr.class, asn1_class_str(hdr.class),
 
69
                           hdr.constructed,
 
70
                           hdr.constructed ? "Constructed" : "Primitive",
 
71
                           hdr.tag, hdr.length);
 
72
 
 
73
                if (hdr.class == ASN1_CLASS_CONTEXT_SPECIFIC &&
 
74
                    hdr.constructed) {
 
75
                        if (asn1_parse(pos, hdr.length, level + 1) < 0)
 
76
                                return -1;
 
77
                        pos += hdr.length;
 
78
                }
 
79
 
 
80
                if (hdr.class != ASN1_CLASS_UNIVERSAL)
 
81
                        continue;
 
82
 
 
83
                switch (hdr.tag) {
 
84
                case ASN1_TAG_EOC:
 
85
                        if (hdr.length) {
 
86
                                wpa_printf(MSG_DEBUG, "ASN.1: Non-zero "
 
87
                                           "end-of-contents length (%u)",
 
88
                                           hdr.length);
 
89
                                return -1;
 
90
                        }
 
91
                        wpa_printf(MSG_MSGDUMP, "ASN.1:%s EOC", prefix);
 
92
                        break;
 
93
                case ASN1_TAG_BOOLEAN:
 
94
                        if (hdr.length != 1) {
 
95
                                wpa_printf(MSG_DEBUG, "ASN.1: Unexpected "
 
96
                                           "Boolean length (%u)", hdr.length);
 
97
                                return -1;
 
98
                        }
 
99
                        tmp = *pos++;
 
100
                        wpa_printf(MSG_MSGDUMP, "ASN.1:%s Boolean %s",
 
101
                                   prefix, tmp ? "TRUE" : "FALSE");
 
102
                        break;
 
103
                case ASN1_TAG_INTEGER:
 
104
                        wpa_hexdump(MSG_MSGDUMP, "ASN.1: INTEGER",
 
105
                                    pos, hdr.length);
 
106
                        pos += hdr.length;
 
107
                        break;
 
108
                case ASN1_TAG_BITSTRING:
 
109
                        wpa_hexdump(MSG_MSGDUMP, "ASN.1: BitString",
 
110
                                    pos, hdr.length);
 
111
                        pos += hdr.length;
 
112
                        break;
 
113
                case ASN1_TAG_OCTETSTRING:
 
114
                        wpa_hexdump(MSG_MSGDUMP, "ASN.1: OctetString",
 
115
                                    pos, hdr.length);
 
116
                        pos += hdr.length;
 
117
                        break;
 
118
                case ASN1_TAG_NULL:
 
119
                        if (hdr.length) {
 
120
                                wpa_printf(MSG_DEBUG, "ASN.1: Non-zero Null "
 
121
                                           "length (%u)", hdr.length);
 
122
                                return -1;
 
123
                        }
 
124
                        wpa_printf(MSG_MSGDUMP, "ASN.1:%s Null", prefix);
 
125
                        break;
 
126
                case ASN1_TAG_OID:
 
127
                        if (asn1_get_oid(prev, end - prev, &oid, &prev) < 0) {
 
128
                                wpa_printf(MSG_DEBUG, "ASN.1: Invalid OID");
 
129
                                return -1;
 
130
                        }
 
131
                        asn1_oid_to_str(&oid, str, sizeof(str));
 
132
                        wpa_printf(MSG_DEBUG, "ASN.1:%s OID %s", prefix, str);
 
133
                        pos += hdr.length;
 
134
                        break;
 
135
                case ANS1_TAG_RELATIVE_OID:
 
136
                        wpa_hexdump(MSG_MSGDUMP, "ASN.1: Relative OID",
 
137
                                    pos, hdr.length);
 
138
                        pos += hdr.length;
 
139
                        break;
 
140
                case ASN1_TAG_SEQUENCE:
 
141
                        wpa_printf(MSG_MSGDUMP, "ASN.1:%s SEQUENCE", prefix);
 
142
                        if (asn1_parse(pos, hdr.length, level + 1) < 0)
 
143
                                return -1;
 
144
                        pos += hdr.length;
 
145
                        break;
 
146
                case ASN1_TAG_SET:
 
147
                        wpa_printf(MSG_MSGDUMP, "ASN.1:%s SET", prefix);
 
148
                        if (asn1_parse(pos, hdr.length, level + 1) < 0)
 
149
                                return -1;
 
150
                        pos += hdr.length;
 
151
                        break;
 
152
                case ASN1_TAG_PRINTABLESTRING:
 
153
                        wpa_hexdump_ascii(MSG_MSGDUMP,
 
154
                                          "ASN.1: PrintableString",
 
155
                                          pos, hdr.length);
 
156
                        pos += hdr.length;
 
157
                        break;
 
158
                case ASN1_TAG_IA5STRING:
 
159
                        wpa_hexdump_ascii(MSG_MSGDUMP, "ASN.1: IA5String",
 
160
                                          pos, hdr.length);
 
161
                        pos += hdr.length;
 
162
                        break;
 
163
                case ASN1_TAG_UTCTIME:
 
164
                        wpa_hexdump_ascii(MSG_MSGDUMP, "ASN.1: UTCTIME",
 
165
                                          pos, hdr.length);
 
166
                        pos += hdr.length;
 
167
                        break;
 
168
                case ASN1_TAG_VISIBLESTRING:
 
169
                        wpa_hexdump_ascii(MSG_MSGDUMP, "ASN.1: VisibleString",
 
170
                                          pos, hdr.length);
 
171
                        pos += hdr.length;
 
172
                        break;
 
173
                default:
 
174
                        wpa_printf(MSG_DEBUG, "ASN.1: Unknown tag %d",
 
175
                                   hdr.tag);
 
176
                        return -1;
 
177
                }
 
178
        }
 
179
 
 
180
        return 0;
 
181
}
 
182
 
 
183
 
 
184
int main(int argc, char *argv[])
 
185
{
 
186
        FILE *f;
 
187
        u8 buf[3000];
 
188
        size_t len;
 
189
        struct x509_certificate *cert;
 
190
 
 
191
        wpa_debug_level = 0;
 
192
 
 
193
        f = fopen(argv[1], "rb");
 
194
        if (f == NULL)
 
195
                return -1;
 
196
        len = fread(buf, 1, sizeof(buf), f);
 
197
        fclose(f);
 
198
 
 
199
        if (asn1_parse(buf, len, 0) < 0)
 
200
                printf("Failed to parse DER ASN.1\n");
 
201
 
 
202
        printf("\n\n");
 
203
 
 
204
        cert = x509_certificate_parse(buf, len);
 
205
        if (cert == NULL)
 
206
                printf("Failed to parse X.509 certificate\n");
 
207
        x509_certificate_free(cert);
 
208
 
 
209
        return 0;
 
210
}