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author | cvs2svn <admin@example.com> | 2025-04-14 17:32:06 +0000 |
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committer | cvs2svn <admin@example.com> | 2025-04-14 17:32:06 +0000 |
commit | eb8dd9dca1228af0cd132f515509051ecfabf6f6 (patch) | |
tree | edb6da6af7e865d488dc1a29309f1e1ec226e603 /src/lib/libcrypto/ct/ct_b64.c | |
parent | 247f0352e0ed72a4f476db9dc91f4d982bc83eb2 (diff) | |
download | openbsd-tb_20250414.tar.gz openbsd-tb_20250414.tar.bz2 openbsd-tb_20250414.zip |
This commit was manufactured by cvs2git to create tag 'tb_20250414'.tb_20250414
Diffstat (limited to 'src/lib/libcrypto/ct/ct_b64.c')
-rw-r--r-- | src/lib/libcrypto/ct/ct_b64.c | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/src/lib/libcrypto/ct/ct_b64.c b/src/lib/libcrypto/ct/ct_b64.c deleted file mode 100644 index 101cd1e2b1..0000000000 --- a/src/lib/libcrypto/ct/ct_b64.c +++ /dev/null | |||
@@ -1,226 +0,0 @@ | |||
1 | /* $OpenBSD: ct_b64.c,v 1.7 2023/07/08 07:22:58 beck Exp $ */ | ||
2 | /* | ||
3 | * Written by Rob Stradling (rob@comodo.com) and Stephen Henson | ||
4 | * (steve@openssl.org) for the OpenSSL project 2014. | ||
5 | */ | ||
6 | /* ==================================================================== | ||
7 | * Copyright (c) 2014 The OpenSSL Project. All rights reserved. | ||
8 | * | ||
9 | * Redistribution and use in source and binary forms, with or without | ||
10 | * modification, are permitted provided that the following conditions | ||
11 | * are met: | ||
12 | * | ||
13 | * 1. Redistributions of source code must retain the above copyright | ||
14 | * notice, this list of conditions and the following disclaimer. | ||
15 | * | ||
16 | * 2. Redistributions in binary form must reproduce the above copyright | ||
17 | * notice, this list of conditions and the following disclaimer in | ||
18 | * the documentation and/or other materials provided with the | ||
19 | * distribution. | ||
20 | * | ||
21 | * 3. All advertising materials mentioning features or use of this | ||
22 | * software must display the following acknowledgment: | ||
23 | * "This product includes software developed by the OpenSSL Project | ||
24 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | ||
25 | * | ||
26 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | ||
27 | * endorse or promote products derived from this software without | ||
28 | * prior written permission. For written permission, please contact | ||
29 | * licensing@OpenSSL.org. | ||
30 | * | ||
31 | * 5. Products derived from this software may not be called "OpenSSL" | ||
32 | * nor may "OpenSSL" appear in their names without prior written | ||
33 | * permission of the OpenSSL Project. | ||
34 | * | ||
35 | * 6. Redistributions of any form whatsoever must retain the following | ||
36 | * acknowledgment: | ||
37 | * "This product includes software developed by the OpenSSL Project | ||
38 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | ||
39 | * | ||
40 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | ||
41 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
43 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | ||
44 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
45 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
46 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
47 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
49 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
50 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | ||
51 | * OF THE POSSIBILITY OF SUCH DAMAGE. | ||
52 | * ==================================================================== | ||
53 | * | ||
54 | * This product includes cryptographic software written by Eric Young | ||
55 | * (eay@cryptsoft.com). This product includes software written by Tim | ||
56 | * Hudson (tjh@cryptsoft.com). | ||
57 | * | ||
58 | */ | ||
59 | |||
60 | #include <limits.h> | ||
61 | #include <string.h> | ||
62 | |||
63 | #include <openssl/ct.h> | ||
64 | #include <openssl/err.h> | ||
65 | #include <openssl/evp.h> | ||
66 | |||
67 | #include "bytestring.h" | ||
68 | #include "ct_local.h" | ||
69 | |||
70 | /* | ||
71 | * Decodes the base64 string |in| into |out|. | ||
72 | * A new string will be malloc'd and assigned to |out|. This will be owned by | ||
73 | * the caller. Do not provide a pre-allocated string in |out|. | ||
74 | */ | ||
75 | static int | ||
76 | ct_base64_decode(const char *in, unsigned char **out) | ||
77 | { | ||
78 | size_t inlen = strlen(in); | ||
79 | int outlen, i; | ||
80 | unsigned char *outbuf = NULL; | ||
81 | |||
82 | if (inlen == 0) { | ||
83 | *out = NULL; | ||
84 | return 0; | ||
85 | } | ||
86 | |||
87 | outlen = (inlen / 4) * 3; | ||
88 | outbuf = malloc(outlen); | ||
89 | if (outbuf == NULL) { | ||
90 | CTerror(ERR_R_MALLOC_FAILURE); | ||
91 | goto err; | ||
92 | } | ||
93 | |||
94 | outlen = EVP_DecodeBlock(outbuf, (unsigned char *)in, inlen); | ||
95 | if (outlen < 0) { | ||
96 | CTerror(CT_R_BASE64_DECODE_ERROR); | ||
97 | goto err; | ||
98 | } | ||
99 | |||
100 | /* | ||
101 | * Subtract padding bytes from |outlen|. | ||
102 | * Any more than 2 is malformed. | ||
103 | */ | ||
104 | i = 0; | ||
105 | while (in[--inlen] == '=') { | ||
106 | --outlen; | ||
107 | if (++i > 2) | ||
108 | goto err; | ||
109 | } | ||
110 | |||
111 | *out = outbuf; | ||
112 | return outlen; | ||
113 | err: | ||
114 | free(outbuf); | ||
115 | return -1; | ||
116 | } | ||
117 | |||
118 | SCT * | ||
119 | SCT_new_from_base64(unsigned char version, const char *logid_base64, | ||
120 | ct_log_entry_type_t entry_type, uint64_t timestamp, | ||
121 | const char *extensions_base64, const char *signature_base64) | ||
122 | { | ||
123 | unsigned char *dec = NULL; | ||
124 | int declen; | ||
125 | SCT *sct; | ||
126 | CBS cbs; | ||
127 | |||
128 | if ((sct = SCT_new()) == NULL) { | ||
129 | CTerror(ERR_R_MALLOC_FAILURE); | ||
130 | return NULL; | ||
131 | } | ||
132 | |||
133 | /* | ||
134 | * RFC6962 section 4.1 says we "MUST NOT expect this to be 0", but we | ||
135 | * can only construct SCT versions that have been defined. | ||
136 | */ | ||
137 | if (!SCT_set_version(sct, version)) { | ||
138 | CTerror(CT_R_SCT_UNSUPPORTED_VERSION); | ||
139 | goto err; | ||
140 | } | ||
141 | |||
142 | declen = ct_base64_decode(logid_base64, &dec); | ||
143 | if (declen < 0) { | ||
144 | CTerror(X509_R_BASE64_DECODE_ERROR); | ||
145 | goto err; | ||
146 | } | ||
147 | if (!SCT_set0_log_id(sct, dec, declen)) | ||
148 | goto err; | ||
149 | dec = NULL; | ||
150 | |||
151 | declen = ct_base64_decode(extensions_base64, &dec); | ||
152 | if (declen < 0) { | ||
153 | CTerror(X509_R_BASE64_DECODE_ERROR); | ||
154 | goto err; | ||
155 | } | ||
156 | SCT_set0_extensions(sct, dec, declen); | ||
157 | dec = NULL; | ||
158 | |||
159 | declen = ct_base64_decode(signature_base64, &dec); | ||
160 | if (declen < 0) { | ||
161 | CTerror(X509_R_BASE64_DECODE_ERROR); | ||
162 | goto err; | ||
163 | } | ||
164 | |||
165 | CBS_init(&cbs, dec, declen); | ||
166 | if (!o2i_SCT_signature(sct, &cbs)) | ||
167 | goto err; | ||
168 | free(dec); | ||
169 | dec = NULL; | ||
170 | |||
171 | SCT_set_timestamp(sct, timestamp); | ||
172 | |||
173 | if (!SCT_set_log_entry_type(sct, entry_type)) | ||
174 | goto err; | ||
175 | |||
176 | return sct; | ||
177 | |||
178 | err: | ||
179 | free(dec); | ||
180 | SCT_free(sct); | ||
181 | return NULL; | ||
182 | } | ||
183 | LCRYPTO_ALIAS(SCT_new_from_base64); | ||
184 | |||
185 | /* | ||
186 | * Allocate, build and returns a new |ct_log| from input |pkey_base64| | ||
187 | * It returns 1 on success, | ||
188 | * 0 on decoding failure, or invalid parameter if any | ||
189 | * -1 on internal (malloc) failure | ||
190 | */ | ||
191 | int | ||
192 | CTLOG_new_from_base64(CTLOG **ct_log, const char *pkey_base64, const char *name) | ||
193 | { | ||
194 | unsigned char *pkey_der = NULL; | ||
195 | int pkey_der_len; | ||
196 | const unsigned char *p; | ||
197 | EVP_PKEY *pkey = NULL; | ||
198 | |||
199 | if (ct_log == NULL) { | ||
200 | CTerror(ERR_R_PASSED_NULL_PARAMETER); | ||
201 | return 0; | ||
202 | } | ||
203 | |||
204 | pkey_der_len = ct_base64_decode(pkey_base64, &pkey_der); | ||
205 | if (pkey_der_len < 0) { | ||
206 | CTerror(CT_R_LOG_CONF_INVALID_KEY); | ||
207 | return 0; | ||
208 | } | ||
209 | |||
210 | p = pkey_der; | ||
211 | pkey = d2i_PUBKEY(NULL, &p, pkey_der_len); | ||
212 | free(pkey_der); | ||
213 | if (pkey == NULL) { | ||
214 | CTerror(CT_R_LOG_CONF_INVALID_KEY); | ||
215 | return 0; | ||
216 | } | ||
217 | |||
218 | *ct_log = CTLOG_new(pkey, name); | ||
219 | if (*ct_log == NULL) { | ||
220 | EVP_PKEY_free(pkey); | ||
221 | return 0; | ||
222 | } | ||
223 | |||
224 | return 1; | ||
225 | } | ||
226 | LCRYPTO_ALIAS(CTLOG_new_from_base64); | ||