/* $OpenBSD: by_file.c,v 1.28 2023/02/16 08:38:17 tb Exp $ */ /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. * * 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 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * "This product includes cryptographic software written by * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``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 AUTHOR 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. * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ #include #include #include #include #include #include #include #include #include "x509_local.h" static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc, long argl, char **ret); static X509_LOOKUP_METHOD x509_file_lookup = { .name = "Load file into cache", .new_item = NULL, .free = NULL, .init = NULL, .shutdown = NULL, .ctrl = by_file_ctrl, .get_by_subject = NULL, .get_by_issuer_serial = NULL, .get_by_fingerprint = NULL, .get_by_alias = NULL, }; X509_LOOKUP_METHOD * X509_LOOKUP_file(void) { return &x509_file_lookup; } LCRYPTO_ALIAS(X509_LOOKUP_file); static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl, char **ret) { int ok = 0; switch (cmd) { case X509_L_FILE_LOAD: if (argl == X509_FILETYPE_DEFAULT) { ok = (X509_load_cert_crl_file(ctx, X509_get_default_cert_file(), X509_FILETYPE_PEM) != 0); if (!ok) { X509error(X509_R_LOADING_DEFAULTS); } } else { if (argl == X509_FILETYPE_PEM) ok = (X509_load_cert_crl_file(ctx, argp, X509_FILETYPE_PEM) != 0); else ok = (X509_load_cert_file(ctx, argp, (int)argl) != 0); } break; } return ok; } int X509_load_cert_file(X509_LOOKUP *ctx, const char *file, int type) { int ret = 0; BIO *in = NULL; int i, count = 0; X509 *x = NULL; in = BIO_new(BIO_s_file()); if ((in == NULL) || (BIO_read_filename(in, file) <= 0)) { X509error(ERR_R_SYS_LIB); goto err; } if (type == X509_FILETYPE_PEM) { for (;;) { x = PEM_read_bio_X509_AUX(in, NULL, NULL, ""); if (x == NULL) { if ((ERR_GET_REASON(ERR_peek_last_error()) == PEM_R_NO_START_LINE) && (count > 0)) { ERR_clear_error(); break; } else { X509error(ERR_R_PEM_LIB); goto err; } } i = X509_STORE_add_cert(ctx->store_ctx, x); if (!i) goto err; count++; X509_free(x); x = NULL; } ret = count; } else if (type == X509_FILETYPE_ASN1) { x = d2i_X509_bio(in, NULL); if (x == NULL) { X509error(ERR_R_ASN1_LIB); goto err; } i = X509_STORE_add_cert(ctx->store_ctx, x); if (!i) goto err; ret = i; } else { X509error(X509_R_BAD_X509_FILETYPE); goto err; } err: X509_free(x); BIO_free(in); return ret; } LCRYPTO_ALIAS(X509_load_cert_file); int X509_load_crl_file(X509_LOOKUP *ctx, const char *file, int type) { int ret = 0; BIO *in = NULL; int i, count = 0; X509_CRL *x = NULL; in = BIO_new(BIO_s_file()); if ((in == NULL) || (BIO_read_filename(in, file) <= 0)) { X509error(ERR_R_SYS_LIB); goto err; } if (type == X509_FILETYPE_PEM) { for (;;) { x = PEM_read_bio_X509_CRL(in, NULL, NULL, ""); if (x == NULL) { if ((ERR_GET_REASON(ERR_peek_last_error()) == PEM_R_NO_START_LINE) && (count > 0)) { ERR_clear_error(); break; } else { X509error(ERR_R_PEM_LIB); goto err; } } i = X509_STORE_add_crl(ctx->store_ctx, x); if (!i) goto err; count++; X509_CRL_free(x); x = NULL; } ret = count; } else if (type == X509_FILETYPE_ASN1) { x = d2i_X509_CRL_bio(in, NULL); if (x == NULL) { X509error(ERR_R_ASN1_LIB); goto err; } i = X509_STORE_add_crl(ctx->store_ctx, x); if (!i) goto err; ret = i; } else { X509error(X509_R_BAD_X509_FILETYPE); goto err; } err: X509_CRL_free(x); BIO_free(in); return ret; } LCRYPTO_ALIAS(X509_load_crl_file); int X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file, int type) { STACK_OF(X509_INFO) *inf; X509_INFO *itmp; BIO *in; int i, count = 0; if (type != X509_FILETYPE_PEM) return X509_load_cert_file(ctx, file, type); in = BIO_new_file(file, "r"); if (!in) { X509error(ERR_R_SYS_LIB); return 0; } inf = PEM_X509_INFO_read_bio(in, NULL, NULL, ""); BIO_free(in); if (!inf) { X509error(ERR_R_PEM_LIB); return 0; } for (i = 0; i < sk_X509_INFO_num(inf); i++) { itmp = sk_X509_INFO_value(inf, i); if (itmp->x509) { X509_STORE_add_cert(ctx->store_ctx, itmp->x509); count++; } if (itmp->crl) { X509_STORE_add_crl(ctx->store_ctx, itmp->crl); count++; } } if (count == 0) X509error(X509_R_NO_CERTIFICATE_OR_CRL_FOUND); sk_X509_INFO_pop_free(inf, X509_INFO_free); return count; } LCRYPTO_ALIAS(X509_load_cert_crl_file);