mirror of
https://github.com/isc-projects/bind9.git
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58bd26b6cf
This commit converts the license handling to adhere to the REUSE specification. It specifically: 1. Adds used licnses to LICENSES/ directory 2. Add "isc" template for adding the copyright boilerplate 3. Changes all source files to include copyright and SPDX license header, this includes all the C sources, documentation, zone files, configuration files. There are notes in the doc/dev/copyrights file on how to add correct headers to the new files. 4. Handle the rest that can't be modified via .reuse/dep5 file. The binary (or otherwise unmodifiable) files could have license places next to them in <foo>.license file, but this would lead to cluttered repository and most of the files handled in the .reuse/dep5 file are system test files.
118 lines
2.2 KiB
C
118 lines
2.2 KiB
C
/*
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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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*
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* SPDX-License-Identifier: MPL-2.0
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, you can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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#include "dir.h"
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#include <ctype.h>
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#include <errno.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include "dlz_minimal.h"
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void
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dir_init(dir_t *dir) {
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dir->entry.name[0] = '\0';
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dir->entry.length = 0;
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dir->handle = NULL;
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}
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isc_result_t
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dir_open(dir_t *dir, const char *dirname) {
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char *p;
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isc_result_t result = ISC_R_SUCCESS;
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if (strlen(dirname) + 3 > sizeof(dir->dirname)) {
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return (ISC_R_NOSPACE);
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}
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strcpy(dir->dirname, dirname);
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p = dir->dirname + strlen(dir->dirname);
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if (dir->dirname < p && *(p - 1) != '/') {
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*p++ = '/';
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}
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*p++ = '*';
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*p = '\0';
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dir->handle = opendir(dirname);
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if (dir->handle == NULL) {
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switch (errno) {
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case ENOTDIR:
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case ELOOP:
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case EINVAL:
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case ENAMETOOLONG:
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case EBADF:
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result = ISC_R_INVALIDFILE;
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break;
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case ENOENT:
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result = ISC_R_FILENOTFOUND;
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break;
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case EACCES:
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case EPERM:
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result = ISC_R_NOPERM;
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break;
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case ENOMEM:
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result = ISC_R_NOMEMORY;
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break;
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default:
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result = ISC_R_UNEXPECTED;
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break;
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}
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}
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return (result);
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}
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/*!
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* \brief Return previously retrieved file or get next one.
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*
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* Unix's dirent has
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* separate open and read functions, but the Win32 and DOS interfaces open
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* the dir stream and reads the first file in one operation.
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*/
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isc_result_t
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dir_read(dir_t *dir) {
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struct dirent *entry;
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entry = readdir(dir->handle);
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if (entry == NULL) {
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return (ISC_R_NOMORE);
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}
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if (sizeof(dir->entry.name) <= strlen(entry->d_name)) {
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return (ISC_R_UNEXPECTED);
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}
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strcpy(dir->entry.name, entry->d_name);
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dir->entry.length = strlen(entry->d_name);
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return (ISC_R_SUCCESS);
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}
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/*!
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* \brief Close directory stream.
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*/
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void
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dir_close(dir_t *dir) {
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(void)closedir(dir->handle);
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dir->handle = NULL;
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}
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/*!
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* \brief Reposition directory stream at start.
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*/
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isc_result_t
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dir_reset(dir_t *dir) {
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rewinddir(dir->handle);
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return (ISC_R_SUCCESS);
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}
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