static int local_statfs(FsContext *s, V9fsPath *fs_path, struct statfs *stbuf)
{
char buffer[PATH_MAX];
char *path = fs_path->data;
return statfs(rpath(s, path, buffer), stbuf);
}
static int local_truncate(FsContext *ctx, V9fsPath *fs_path, off_t size)
{
char buffer[PATH_MAX];
char *path = fs_path->data;
return truncate(rpath(ctx, path, buffer), size);
}
std::string Sys::GetTempPath() {
char path[EE_MAX_CFG_PATH_LEN];
#if EE_PLATFORM == EE_PLATFORM_WIN
DWORD dwRetVal = GetTempPathA(EE_MAX_CFG_PATH_LEN, path);
if ( 0 <= dwRetVal || dwRetVal > EE_MAX_CFG_PATH_LEN ) {
return std::string( "C:\\WINDOWS\\TEMP\\" );
}
#elif EE_PLATFORM == EE_PLATFORM_ANDROID
if ( NULL != Window::cEngine::instance() ) {
String::StrCopy( path, Window::cEngine::instance()->GetCurrentWindow()->GetInternalStoragePath().c_str(), EE_MAX_CFG_PATH_LEN );
} else {
String::StrCopy( path, "/tmp", EE_MAX_CFG_PATH_LEN );
}
#else
char * tmpdir = getenv("TMPDIR");
if ( NULL != tmpdir ) {
String::StrCopy( path, tmpdir, EE_MAX_CFG_PATH_LEN );
} else {
String::StrCopy( path, "/tmp", EE_MAX_CFG_PATH_LEN );
}
#endif
std::string rpath( path );
FileSystem::DirPathAddSlashAtEnd( rpath );
return rpath;
}
static int local_post_create_passthrough(FsContext *fs_ctx, const char *path,
FsCred *credp)
{
char *buffer;
buffer = rpath(fs_ctx, path);
if (lchown(buffer, credp->fc_uid, credp->fc_gid) < 0) {
/*
* If we fail to change ownership and if we are
* using security model none. Ignore the error
*/
if ((fs_ctx->export_flags & V9FS_SEC_MASK) != V9FS_SM_NONE) {
goto err;
}
}
if (chmod(buffer, credp->fc_mode & 07777) < 0) {
goto err;
}
g_free(buffer);
return 0;
err:
g_free(buffer);
return -1;
}
static int mp_pacl_setxattr(FsContext *ctx, const char *path, const char *name,
void *value, size_t size, int flags)
{
char buffer[PATH_MAX];
return lsetxattr(rpath(ctx, path, buffer), MAP_ACL_ACCESS, value,
size, flags);
}
static int local_mknod(FsContext *fs_ctx, V9fsPath *dir_path,
const char *name, FsCred *credp)
{
char *path;
int err = -1;
int serrno = 0;
V9fsString fullname;
char buffer[PATH_MAX];
v9fs_string_init(&fullname);
v9fs_string_sprintf(&fullname, "%s/%s", dir_path->data, name);
path = fullname.data;
/* Determine the security model */
if (fs_ctx->export_flags & V9FS_SM_MAPPED) {
err = mknod(rpath(fs_ctx, path, buffer),
SM_LOCAL_MODE_BITS|S_IFREG, 0);
if (err == -1) {
goto out;
}
err = local_set_xattr(rpath(fs_ctx, path, buffer), credp);
if (err == -1) {
serrno = errno;
goto err_end;
}
} else if ((fs_ctx->export_flags & V9FS_SM_PASSTHROUGH) ||
(fs_ctx->export_flags & V9FS_SM_NONE)) {
err = mknod(rpath(fs_ctx, path, buffer), credp->fc_mode,
credp->fc_rdev);
if (err == -1) {
goto out;
}
err = local_post_create_passthrough(fs_ctx, path, credp);
if (err == -1) {
serrno = errno;
goto err_end;
}
}
goto out;
err_end:
remove(rpath(fs_ctx, path, buffer));
errno = serrno;
out:
v9fs_string_free(&fullname);
return err;
}
static int local_post_create_passthrough(FsContext *fs_ctx, const char *path,
FsCred *credp)
{
if (chmod(rpath(fs_ctx, path), credp->fc_mode & 07777) < 0) {
return -1;
}
if (lchown(rpath(fs_ctx, path), credp->fc_uid, credp->fc_gid) < 0) {
/*
* If we fail to change ownership and if we are
* using security model none. Ignore the error
*/
if (fs_ctx->fs_sm != SM_NONE) {
return -1;
}
}
return 0;
}
static int local_chown(FsContext *fs_ctx, V9fsPath *fs_path, FsCred *credp)
{
char buffer[PATH_MAX];
char *path = fs_path->data;
if ((credp->fc_uid == -1 && credp->fc_gid == -1) ||
(fs_ctx->export_flags & V9FS_SM_PASSTHROUGH) ||
(fs_ctx->export_flags & V9FS_SM_NONE)) {
return lchown(rpath(fs_ctx, path, buffer),
credp->fc_uid, credp->fc_gid);
} else if (fs_ctx->export_flags & V9FS_SM_MAPPED) {
return local_set_xattr(rpath(fs_ctx, path, buffer), credp);
} else if (fs_ctx->export_flags & V9FS_SM_MAPPED_FILE) {
return local_set_mapped_file_attr(fs_ctx, path, credp);
}
return -1;
}
static int local_utimensat(FsContext *s, V9fsPath *fs_path,
const struct timespec *buf)
{
char buffer[PATH_MAX];
char *path = fs_path->data;
return qemu_utimens(rpath(s, path, buffer), buf);
}
static int local_utimensat(FsContext *s, V9fsPath *fs_path,
const struct timespec *buf)
{
char buffer[PATH_MAX];
char *path = fs_path->data;
return qemu_utimensat(AT_FDCWD, rpath(s, path, buffer), buf,
AT_SYMLINK_NOFOLLOW);
}
static boost::filesystem::path root_name( const boost::filesystem::path& path ) {
boost::filesystem::path rpath( path );
if ( boost::filesystem::is_regular_file( path ) ) {
rpath = path.parent_path();
if ( boost::filesystem::is_directory( rpath ) && rpath.extension() == L".d" )
return rpath;
}
return rpath;
}
static int local_open(FsContext *ctx, V9fsPath *fs_path,
int flags, V9fsFidOpenState *fs)
{
char buffer[PATH_MAX];
char *path = fs_path->data;
fs->fd = open(rpath(ctx, path, buffer), flags | O_NOFOLLOW);
return fs->fd;
}
void dosman::Entry::run()
{
std::string dosbox("dosbox ");
std::string conf(" -conf ");
std::string cpath(getConfPath());
std::string rpath(getRunConfPath());
std::string line = dosbox + conf + cpath + conf + rpath;
system(line.c_str());
}
static int local_remove(FsContext *ctx, const char *path)
{
int err;
struct stat stbuf;
char buffer[PATH_MAX];
if (ctx->export_flags & V9FS_SM_MAPPED_FILE) {
err = lstat(rpath(ctx, path, buffer), &stbuf);
if (err) {
goto err_out;
}
/*
* If directory remove .virtfs_metadata contained in the
* directory
*/
if (S_ISDIR(stbuf.st_mode)) {
sprintf(buffer, "%s/%s/%s", ctx->fs_root, path, VIRTFS_META_DIR);
err = remove(buffer);
if (err < 0 && errno != ENOENT) {
/*
* We didn't had the .virtfs_metadata file. May be file created
* in non-mapped mode ?. Ignore ENOENT.
*/
goto err_out;
}
}
/*
* Now remove the name from parent directory
* .virtfs_metadata directory
*/
err = remove(local_mapped_attr_path(ctx, path, buffer));
if (err < 0 && errno != ENOENT) {
/*
* We didn't had the .virtfs_metadata file. May be file created
* in non-mapped mode ?. Ignore ENOENT.
*/
goto err_out;
}
}
return remove(rpath(ctx, path, buffer));
err_out:
return err;
}
/*
* Get the list and pass to each layer to find out whether
* to send the data or not
*/
ssize_t v9fs_list_xattr(FsContext *ctx, const char *path,
void *value, size_t vsize)
{
ssize_t size = 0;
char *buffer;
void *ovalue = value;
XattrOperations *xops;
char *orig_value, *orig_value_start;
ssize_t xattr_len, parsed_len = 0, attr_len;
/* Get the actual len */
buffer = rpath(ctx, path);
xattr_len = llistxattr(buffer, value, 0);
if (xattr_len <= 0) {
g_free(buffer);
return xattr_len;
}
/* Now fetch the xattr and find the actual size */
orig_value = g_malloc(xattr_len);
xattr_len = llistxattr(buffer, orig_value, xattr_len);
g_free(buffer);
/* store the orig pointer */
orig_value_start = orig_value;
while (xattr_len > parsed_len) {
xops = get_xattr_operations(ctx->xops, orig_value);
if (!xops) {
goto next_entry;
}
if (!value) {
size += xops->listxattr(ctx, path, orig_value, value, vsize);
} else {
size = xops->listxattr(ctx, path, orig_value, value, vsize);
if (size < 0) {
goto err_out;
}
value += size;
vsize -= size;
}
next_entry:
/* Got the next entry */
attr_len = strlen(orig_value) + 1;
parsed_len += attr_len;
orig_value += attr_len;
}
if (value) {
size = value - ovalue;
}
err_out:
g_free(orig_value_start);
return size;
}
static int local_rename(FsContext *ctx, const char *oldpath,
const char *newpath)
{
char *tmp;
int err;
tmp = qemu_strdup(rpath(ctx, oldpath));
err = rename(tmp, rpath(ctx, newpath));
if (err == -1) {
int serrno = errno;
qemu_free(tmp);
errno = serrno;
} else {
qemu_free(tmp);
}
return err;
}
static int local_post_create_passthrough(FsContext *fs_ctx, const char *path,
FsCred *credp)
{
char buffer[PATH_MAX];
if (chmod(rpath(fs_ctx, path, buffer), credp->fc_mode & 07777) < 0) {
return -1;
}
if (lchown(rpath(fs_ctx, path, buffer), credp->fc_uid,
credp->fc_gid) < 0) {
/*
* If we fail to change ownership and if we are
* using security model none. Ignore the error
*/
if ((fs_ctx->export_flags & V9FS_SEC_MASK) != V9FS_SM_NONE) {
return -1;
}
}
return 0;
}
static int local_rename(FsContext *ctx, const char *oldpath,
const char *newpath)
{
int err;
char buffer[PATH_MAX], buffer1[PATH_MAX];
if (ctx->export_flags & V9FS_SM_MAPPED_FILE) {
err = local_create_mapped_attr_dir(ctx, newpath);
if (err < 0) {
return err;
}
/* rename the .virtfs_metadata files */
err = rename(local_mapped_attr_path(ctx, oldpath, buffer),
local_mapped_attr_path(ctx, newpath, buffer1));
if (err < 0 && errno != ENOENT) {
return err;
}
}
return rename(rpath(ctx, oldpath, buffer), rpath(ctx, newpath, buffer1));
}
static int local_statfs(FsContext *s, V9fsPath *fs_path, struct statfs *stbuf)
{
char *buffer;
int ret;
char *path = fs_path->data;
buffer = rpath(s, path);
ret = statfs(buffer, stbuf);
g_free(buffer);
return ret;
}
static int local_open(FsContext *ctx, V9fsPath *fs_path,
int flags, V9fsFidOpenState *fs)
{
char *buffer;
char *path = fs_path->data;
buffer = rpath(ctx, path);
fs->fd = open(buffer, flags | O_NOFOLLOW);
g_free(buffer);
return fs->fd;
}
static int local_chmod(FsContext *fs_ctx, V9fsPath *fs_path, FsCred *credp)
{
char *buffer;
int ret = -1;
char *path = fs_path->data;
if (fs_ctx->export_flags & V9FS_SM_MAPPED) {
buffer = rpath(fs_ctx, path);
ret = local_set_xattr(buffer, credp);
g_free(buffer);
} else if (fs_ctx->export_flags & V9FS_SM_MAPPED_FILE) {
return local_set_mapped_file_attr(fs_ctx, path, credp);
} else if ((fs_ctx->export_flags & V9FS_SM_PASSTHROUGH) ||
(fs_ctx->export_flags & V9FS_SM_NONE)) {
buffer = rpath(fs_ctx, path);
ret = chmod(buffer, credp->fc_mode);
g_free(buffer);
}
return ret;
}
static int local_truncate(FsContext *ctx, V9fsPath *fs_path, off_t size)
{
char *buffer;
int ret;
char *path = fs_path->data;
buffer = rpath(ctx, path);
ret = truncate(buffer, size);
g_free(buffer);
return ret;
}
static ssize_t local_readlink(FsContext *fs_ctx, const char *path,
char *buf, size_t bufsz)
{
ssize_t tsize = -1;
if (fs_ctx->fs_sm == SM_MAPPED) {
int fd;
fd = open(rpath(fs_ctx, path), O_RDONLY);
if (fd == -1) {
return -1;
}
do {
tsize = read(fd, (void *)buf, bufsz);
} while (tsize == -1 && errno == EINTR);
close(fd);
return tsize;
} else if ((fs_ctx->fs_sm == SM_PASSTHROUGH) ||
(fs_ctx->fs_sm == SM_NONE)) {
tsize = readlink(rpath(fs_ctx, path), buf, bufsz);
}
return tsize;
}
static int local_utimensat(FsContext *s, V9fsPath *fs_path,
const struct timespec *buf)
{
char *buffer;
int ret;
char *path = fs_path->data;
buffer = rpath(s, path);
ret = qemu_utimens(buffer, buf);
g_free(buffer);
return ret;
}
bool equal(boost::filesystem::path const& lhs, boost::filesystem::path const& rhs)
{
boost::filesystem::path lpath(lhs);
boost::filesystem::path rpath(rhs);
const boost::filesystem::path::value_type* l(lpath.normalize().c_str());
const boost::filesystem::path::value_type* r(rpath.normalize().c_str());
while ((tolower(*l) == tolower(*r) || (*l == L'\\' && *r == L'/') || (*l == L'/' && *r == L'\\')) && *l)
{
++l; ++r;
}
return *l == *r;
}
static int local_opendir(FsContext *ctx,
V9fsPath *fs_path, V9fsFidOpenState *fs)
{
char buffer[PATH_MAX];
char *path = fs_path->data;
fs->dir = opendir(rpath(ctx, path, buffer));
if (!fs->dir) {
return -1;
}
return 0;
}
static int local_open2(FsContext *fs_ctx, const char *path, int flags,
FsCred *credp)
{
int fd = -1;
int err = -1;
int serrno = 0;
/* Determine the security model */
if (fs_ctx->fs_sm == SM_MAPPED) {
fd = open(rpath(fs_ctx, path), flags, SM_LOCAL_MODE_BITS);
if (fd == -1) {
return fd;
}
credp->fc_mode = credp->fc_mode|S_IFREG;
/* Set cleint credentials in xattr */
err = local_set_xattr(rpath(fs_ctx, path), credp);
if (err == -1) {
serrno = errno;
goto err_end;
}
} else if ((fs_ctx->fs_sm == SM_PASSTHROUGH) ||
(fs_ctx->fs_sm == SM_NONE)) {
fd = open(rpath(fs_ctx, path), flags, credp->fc_mode);
if (fd == -1) {
return fd;
}
err = local_post_create_passthrough(fs_ctx, path, credp);
if (err == -1) {
serrno = errno;
goto err_end;
}
}
return fd;
err_end:
close(fd);
remove(rpath(fs_ctx, path));
errno = serrno;
return err;
}
static int local_unlinkat(FsContext *ctx, V9fsPath *dir,
const char *name, int flags)
{
int ret;
V9fsString fullname;
char *buffer;
v9fs_string_init(&fullname);
v9fs_string_sprintf(&fullname, "%s/%s", dir->data, name);
if (ctx->export_flags & V9FS_SM_MAPPED_FILE) {
if (flags == AT_REMOVEDIR) {
/*
* If directory remove .virtfs_metadata contained in the
* directory
*/
buffer = g_strdup_printf("%s/%s/%s", ctx->fs_root,
fullname.data, VIRTFS_META_DIR);
ret = remove(buffer);
g_free(buffer);
if (ret < 0 && errno != ENOENT) {
/*
* We didn't had the .virtfs_metadata file. May be file created
* in non-mapped mode ?. Ignore ENOENT.
*/
goto err_out;
}
}
/*
* Now remove the name from parent directory
* .virtfs_metadata directory.
*/
buffer = local_mapped_attr_path(ctx, fullname.data);
ret = remove(buffer);
g_free(buffer);
if (ret < 0 && errno != ENOENT) {
/*
* We didn't had the .virtfs_metadata file. May be file created
* in non-mapped mode ?. Ignore ENOENT.
*/
goto err_out;
}
}
/* Remove the name finally */
buffer = rpath(ctx, fullname.data);
ret = remove(buffer);
g_free(buffer);
err_out:
v9fs_string_free(&fullname);
return ret;
}
static int local_link(FsContext *ctx, const char *oldpath, const char *newpath)
{
char *tmp = qemu_strdup(rpath(ctx, oldpath));
int err, serrno = 0;
if (tmp == NULL) {
return -ENOMEM;
}
err = link(tmp, rpath(ctx, newpath));
if (err == -1) {
serrno = errno;
}
qemu_free(tmp);
if (err == -1) {
errno = serrno;
}
return err;
}
static int local_unlinkat(FsContext *ctx, V9fsPath *dir,
const char *name, int flags)
{
int ret;
V9fsString fullname;
char buffer[PATH_MAX];
v9fs_string_init(&fullname);
v9fs_string_sprintf(&fullname, "%s/%s", dir->data, name);
ret = remove(rpath(ctx, fullname.data, buffer));
v9fs_string_free(&fullname);
return ret;
}
