1 /* $OpenBSD: by_mem.c,v 1.9 2023/12/25 22:14:23 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_local.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 .ctrl = by_mem_ctrl, 80 .get_by_subject = NULL, 81 }; 82 83 X509_LOOKUP_METHOD * 84 X509_LOOKUP_mem(void) 85 { 86 return (&x509_mem_lookup); 87 } 88 LCRYPTO_ALIAS(X509_LOOKUP_mem); 89 90 static int 91 by_mem_ctrl(X509_LOOKUP *lu, int cmd, const char *buf, 92 long type, char **ret) 93 { 94 STACK_OF(X509_INFO) *inf = NULL; 95 const struct iovec *iov; 96 X509_INFO *itmp; 97 BIO *in = NULL; 98 int i, count = 0, ok = 0; 99 100 iov = (const struct iovec *)buf; 101 102 if (!(cmd == X509_L_MEM && type == X509_FILETYPE_PEM)) 103 goto done; 104 105 if ((in = BIO_new_mem_buf(iov->iov_base, iov->iov_len)) == NULL) 106 goto done; 107 108 if ((inf = PEM_X509_INFO_read_bio(in, NULL, NULL, NULL)) == NULL) 109 goto done; 110 111 for (i = 0; i < sk_X509_INFO_num(inf); i++) { 112 itmp = sk_X509_INFO_value(inf, i); 113 if (itmp->x509) { 114 ok = X509_STORE_add_cert(lu->store_ctx, itmp->x509); 115 if (!ok) 116 goto done; 117 count++; 118 } 119 if (itmp->crl) { 120 ok = X509_STORE_add_crl(lu->store_ctx, itmp->crl); 121 if (!ok) 122 goto done; 123 count++; 124 } 125 } 126 127 ok = count != 0; 128 done: 129 if (count == 0) 130 X509error(ERR_R_PEM_LIB); 131 if (inf != NULL) 132 sk_X509_INFO_pop_free(inf, X509_INFO_free); 133 if (in != NULL) 134 BIO_free(in); 135 return (ok); 136 } 137