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96 lines
2.8 KiB
96 lines
2.8 KiB
/*
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* Copyright (C) 2009 Sourcefire, Inc.
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*
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* Authors: aCaB <acab@clamav.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#include <errno.h>
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#include "others.h"
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#include "dirent.h"
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#include "shared/misc.h"
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DIR *opendir(const char *name) {
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DIR *d;
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DWORD attrs;
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int len;
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if(!(d = cli_malloc(sizeof(*d)))) {
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errno = ENOMEM;
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return NULL;
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}
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len = MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, name, -1, d->entry, sizeof(d->entry) / sizeof(d->entry[0]));
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if(!len || len >= PATH_MAX - 4) {
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free(d);
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errno = (len || (GetLastError() == ERROR_INSUFFICIENT_BUFFER)) ? ENAMETOOLONG : ENOENT;
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return NULL;
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}
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/* FIXME: this should be UNC'd */
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if((attrs = GetFileAttributesW(d->entry)) == INVALID_FILE_ATTRIBUTES) {
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free(d);
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errno = ENOENT;
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return NULL;
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}
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if(!(attrs & FILE_ATTRIBUTE_DIRECTORY)) {
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free(d);
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errno = ENOTDIR;
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return NULL;
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}
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wcsncat(d->entry, L"\\*.*", 4);
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d->dh = INVALID_HANDLE_VALUE;
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return d;
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}
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struct dirent *readdir(DIR *dirp) {
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while(1) {
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BOOL cant_convert;
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if(dirp->dh == INVALID_HANDLE_VALUE) {
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if((dirp->dh = FindFirstFileW(dirp->entry, &dirp->wfd)) == INVALID_HANDLE_VALUE) {
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errno = ENOENT;
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return NULL;
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}
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} else {
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if(!(FindNextFileW(dirp->dh, &dirp->wfd))) {
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errno = (GetLastError() == ERROR_NO_MORE_FILES) ? 0 : ENOENT;
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return NULL;
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}
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}
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if(
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(!WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS, dirp->wfd.cFileName, -1, dirp->ent.d_name, sizeof(dirp->ent.d_name), NULL, &cant_convert) || cant_convert) &&
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(!WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS, dirp->wfd.cAlternateFileName, -1, dirp->ent.d_name, sizeof(dirp->ent.d_name), NULL, &cant_convert) || cant_convert)
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) {
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/* FIXME: WARN HERE ! */
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continue;
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}
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dirp->ent.d_ino = dirp->wfd.ftCreationTime.dwLowDateTime ^ dirp->wfd.nFileSizeLow;
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if(!dirp->ent.d_ino) dirp->ent.d_ino = 0x1337;
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dirp->ent.d_type = (dirp->wfd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ? DT_DIR : DT_REG;
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break;
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}
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return &dirp->ent;
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}
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void rewinddir(DIR *dirp) {
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if(dirp->dh != INVALID_HANDLE_VALUE)
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FindClose(dirp->dh);
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dirp->dh = INVALID_HANDLE_VALUE;
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}
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int closedir(DIR *dirp) {
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rewinddir(dirp);
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free(dirp);
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return 0;
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} |