xref: /dragonfly/crypto/libressl/crypto/x509/by_mem.c (revision 6f5ec8b5)
1 /* $OpenBSD: by_mem.c,v 1.5 2021/11/01 20:53:08 tb Exp $ */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young (eay@cryptsoft.com).
7  * The implementation was written so as to conform with Netscapes SSL.
8  *
9  * This library is free for commercial and non-commercial use as long as
10  * the following conditions are aheared to.  The following conditions
11  * apply to all code found in this distribution, be it the RC4, RSA,
12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13  * included with this distribution is covered by the same copyright terms
14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15  *
16  * Copyright remains Eric Young's, and as such any Copyright notices in
17  * the code are not to be removed.
18  * If this package is used in a product, Eric Young should be given attribution
19  * as the author of the parts of the library used.
20  * This can be in the form of a textual message at program startup or
21  * in documentation (online or textual) provided with the package.
22  *
23  * Redistribution and use in source and binary forms, with or without
24  * modification, are permitted provided that the following conditions
25  * are met:
26  * 1. Redistributions of source code must retain the copyright
27  *    notice, this list of conditions and the following disclaimer.
28  * 2. Redistributions in binary form must reproduce the above copyright
29  *    notice, this list of conditions and the following disclaimer in the
30  *    documentation and/or other materials provided with the distribution.
31  * 3. All advertising materials mentioning features or use of this software
32  *    must display the following acknowledgement:
33  *    "This product includes cryptographic software written by
34  *     Eric Young (eay@cryptsoft.com)"
35  *    The word 'cryptographic' can be left out if the rouines from the library
36  *    being used are not cryptographic related :-).
37  * 4. If you include any Windows specific code (or a derivative thereof) from
38  *    the apps directory (application code) you must include an acknowledgement:
39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40  *
41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51  * SUCH DAMAGE.
52  *
53  * The licence and distribution terms for any publically available version or
54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
55  * copied and put under another distribution licence
56  * [including the GNU Public Licence.]
57  */
58 
59 #include <sys/uio.h>
60 #include <errno.h>
61 #include <stdio.h>
62 #include <time.h>
63 #include <unistd.h>
64 
65 #include <openssl/buffer.h>
66 #include <openssl/err.h>
67 #include <openssl/pem.h>
68 #include <openssl/lhash.h>
69 #include <openssl/x509.h>
70 
71 #include "x509_lcl.h"
72 
73 static int by_mem_ctrl(X509_LOOKUP *, int, const char *, long, char **);
74 
75 static X509_LOOKUP_METHOD x509_mem_lookup = {
76 	.name = "Load cert from memory",
77 	.new_item = NULL,
78 	.free = NULL,
79 	.init = NULL,
80 	.shutdown = NULL,
81 	.ctrl = by_mem_ctrl,
82 	.get_by_subject = NULL,
83 	.get_by_issuer_serial = NULL,
84 	.get_by_fingerprint = NULL,
85 	.get_by_alias = NULL,
86 };
87 
88 X509_LOOKUP_METHOD *
89 X509_LOOKUP_mem(void)
90 {
91 	return (&x509_mem_lookup);
92 }
93 
94 static int
95 by_mem_ctrl(X509_LOOKUP *lu, int cmd, const char *buf,
96     long type, char **ret)
97 {
98 	STACK_OF(X509_INFO)	*inf = NULL;
99 	const struct iovec	*iov;
100 	X509_INFO		*itmp;
101 	BIO			*in = NULL;
102 	int			 i, count = 0, ok = 0;
103 
104 	iov = (const struct iovec *)buf;
105 
106 	if (!(cmd == X509_L_MEM && type == X509_FILETYPE_PEM))
107 		goto done;
108 
109 	if ((in = BIO_new_mem_buf(iov->iov_base, iov->iov_len)) == NULL)
110 		goto done;
111 
112 	if ((inf = PEM_X509_INFO_read_bio(in, NULL, NULL, NULL)) == NULL)
113 		goto done;
114 
115 	for (i = 0; i < sk_X509_INFO_num(inf); i++) {
116 		itmp = sk_X509_INFO_value(inf, i);
117 		if (itmp->x509) {
118 			ok = X509_STORE_add_cert(lu->store_ctx, itmp->x509);
119 			if (!ok)
120 				goto done;
121 			count++;
122 		}
123 		if (itmp->crl) {
124 			ok = X509_STORE_add_crl(lu->store_ctx, itmp->crl);
125 			if (!ok)
126 				goto done;
127 			count++;
128 		}
129 	}
130 
131 	ok = count != 0;
132  done:
133 	if (count == 0)
134 		X509error(ERR_R_PEM_LIB);
135 	if (inf != NULL)
136 		sk_X509_INFO_pop_free(inf, X509_INFO_free);
137 	if (in != NULL)
138 		BIO_free(in);
139 	return (ok);
140 }
141