61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
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// Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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// Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved.
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// SPDX-License-Identifier: Apache-2.0
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#include <openssl/ssl.h>
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#if !defined(OPENSSL_WINDOWS) && !defined(OPENSSL_PNACL) && \
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!defined(OPENSSL_NO_FILESYSTEM)
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#include <dirent.h>
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#include <errno.h>
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#include <string.h>
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#include <openssl/err.h>
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#include <openssl/mem.h>
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int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack,
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const char *path) {
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DIR *dir = opendir(path);
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if (dir == NULL) {
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OPENSSL_PUT_ERROR(SSL, ERR_R_SYS_LIB);
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ERR_add_error_data(3, "opendir('", dir, "')");
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return 0;
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}
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int ret = 0;
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for (;;) {
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// |readdir| may fail with or without setting |errno|.
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errno = 0;
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struct dirent *dirent = readdir(dir);
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if (dirent == NULL) {
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if (errno) {
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OPENSSL_PUT_ERROR(SSL, ERR_R_SYS_LIB);
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ERR_add_error_data(3, "readdir('", path, "')");
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} else {
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ret = 1;
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}
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break;
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}
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char buf[1024];
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if (strlen(path) + strlen(dirent->d_name) + 2 > sizeof(buf)) {
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OPENSSL_PUT_ERROR(SSL, SSL_R_PATH_TOO_LONG);
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break;
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}
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int r = snprintf(buf, sizeof(buf), "%s/%s", path, dirent->d_name);
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if (r <= 0 ||
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r >= (int)sizeof(buf) ||
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!SSL_add_file_cert_subjects_to_stack(stack, buf)) {
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break;
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}
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}
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closedir(dir);
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return ret;
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}
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#endif // !WINDOWS && !PNACL && !OPENSSL_NO_FILESYSTEM
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