ref: 009439541d2c6e8af2596f8fb1b4df85861fd212
dir: /third_party/boringssl/src/crypto/x509/by_file.c/
/* 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 <stdlib.h>
#include <openssl/err.h>
#include <openssl/pem.h>
#include <openssl/thread.h>
#include "internal.h"
static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc, long argl,
char **ret);
static const X509_LOOKUP_METHOD x509_file_lookup = {
NULL, // new
NULL, // free
by_file_ctrl, // ctrl
NULL, // get_by_subject
};
const X509_LOOKUP_METHOD *X509_LOOKUP_file(void) { return &x509_file_lookup; }
static int by_file_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl,
char **ret) {
if (cmd != X509_L_FILE_LOAD) {
return 0;
}
const char *file = argp;
int type = argl;
if (argl == X509_FILETYPE_DEFAULT) {
if ((file = getenv(X509_get_default_cert_file_env())) == NULL) {
file = X509_get_default_cert_file();
}
type = X509_FILETYPE_PEM;
}
if (X509_load_cert_crl_file(ctx, file, type) != 0) {
return 1;
}
if (argl == X509_FILETYPE_DEFAULT) {
OPENSSL_PUT_ERROR(X509, X509_R_LOADING_DEFAULTS);
}
return 0;
}
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)) {
OPENSSL_PUT_ERROR(X509, ERR_R_SYS_LIB);
goto err;
}
if (type == X509_FILETYPE_PEM) {
for (;;) {
x = PEM_read_bio_X509_AUX(in, NULL, NULL, NULL);
if (x == NULL) {
uint32_t error = ERR_peek_last_error();
if (ERR_GET_LIB(error) == ERR_LIB_PEM &&
ERR_GET_REASON(error) == PEM_R_NO_START_LINE && count > 0) {
ERR_clear_error();
break;
}
OPENSSL_PUT_ERROR(X509, 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) {
OPENSSL_PUT_ERROR(X509, ERR_R_ASN1_LIB);
goto err;
}
i = X509_STORE_add_cert(ctx->store_ctx, x);
if (!i) {
goto err;
}
ret = i;
} else {
OPENSSL_PUT_ERROR(X509, X509_R_BAD_X509_FILETYPE);
goto err;
}
if (ret == 0) {
OPENSSL_PUT_ERROR(X509, X509_R_NO_CERTIFICATE_FOUND);
}
err:
X509_free(x);
BIO_free(in);
return ret;
}
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)) {
OPENSSL_PUT_ERROR(X509, ERR_R_SYS_LIB);
goto err;
}
if (type == X509_FILETYPE_PEM) {
for (;;) {
x = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL);
if (x == NULL) {
uint32_t error = ERR_peek_last_error();
if (ERR_GET_LIB(error) == ERR_LIB_PEM &&
ERR_GET_REASON(error) == PEM_R_NO_START_LINE && count > 0) {
ERR_clear_error();
break;
}
OPENSSL_PUT_ERROR(X509, 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) {
OPENSSL_PUT_ERROR(X509, ERR_R_ASN1_LIB);
goto err;
}
i = X509_STORE_add_crl(ctx->store_ctx, x);
if (!i) {
goto err;
}
ret = i;
} else {
OPENSSL_PUT_ERROR(X509, X509_R_BAD_X509_FILETYPE);
goto err;
}
if (ret == 0) {
OPENSSL_PUT_ERROR(X509, X509_R_NO_CRL_FOUND);
}
err:
X509_CRL_free(x);
BIO_free(in);
return ret;
}
int X509_load_cert_crl_file(X509_LOOKUP *ctx, const char *file, int type) {
STACK_OF(X509_INFO) *inf;
X509_INFO *itmp;
BIO *in;
size_t i;
int count = 0;
if (type != X509_FILETYPE_PEM) {
return X509_load_cert_file(ctx, file, type);
}
in = BIO_new_file(file, "rb");
if (!in) {
OPENSSL_PUT_ERROR(X509, ERR_R_SYS_LIB);
return 0;
}
inf = PEM_X509_INFO_read_bio(in, NULL, NULL, NULL);
BIO_free(in);
if (!inf) {
OPENSSL_PUT_ERROR(X509, 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) {
if (!X509_STORE_add_cert(ctx->store_ctx, itmp->x509)) {
goto err;
}
count++;
}
if (itmp->crl) {
if (!X509_STORE_add_crl(ctx->store_ctx, itmp->crl)) {
goto err;
}
count++;
}
}
if (count == 0) {
OPENSSL_PUT_ERROR(X509, X509_R_NO_CERTIFICATE_OR_CRL_FOUND);
}
err:
sk_X509_INFO_pop_free(inf, X509_INFO_free);
return count;
}
int X509_LOOKUP_load_file(X509_LOOKUP *lookup, const char *name, int type) {
return X509_LOOKUP_ctrl(lookup, X509_L_FILE_LOAD, name, type, NULL);
}