1 files changed, 158 insertions, 0 deletions
diff --git a/src/input/plugins/SmbclientInputPlugin.cxx b/src/input/plugins/SmbclientInputPlugin.cxx
new file mode 100644
index 000000000..79987180f
--- /dev/null
+++ b/src/input/plugins/SmbclientInputPlugin.cxx
@@ -0,0 +1,158 @@
+/*
+ * Copyright (C) 2003-2014 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "config.h"
+#include "SmbclientInputPlugin.hxx"
+#include "lib/smbclient/Init.hxx"
+#include "lib/smbclient/Mutex.hxx"
+#include "../InputStream.hxx"
+#include "../InputPlugin.hxx"
+#include "util/StringUtil.hxx"
+#include "util/Error.hxx"
+
+#include <libsmbclient.h>
+
+class SmbclientInputStream final : public InputStream {
+	SMBCCTX *ctx;
+	int fd;
+
+public:
+	SmbclientInputStream(const char *_uri,
+			     Mutex &_mutex, Cond &_cond,
+			     SMBCCTX *_ctx, int _fd, const struct stat &st)
+		:InputStream(_uri, _mutex, _cond),
+		 ctx(_ctx), fd(_fd) {
+		seekable = true;
+		size = st.st_size;
+		SetReady();
+	}
+
+	~SmbclientInputStream() {
+		smbclient_mutex.lock();
+		smbc_close(fd);
+		smbc_free_context(ctx, 1);
+		smbclient_mutex.unlock();
+	}
+
+	/* virtual methods from InputStream */
+
+	bool IsEOF() override {
+		return offset >= size;
+	}
+
+	size_t Read(void *ptr, size_t size, Error &error) override;
+	bool Seek(offset_type offset, Error &error) override;
+};
+
+/*
+ * InputPlugin methods
+ *
+ */
+
+static InputPlugin::InitResult
+input_smbclient_init(gcc_unused const config_param &param, Error &error)
+{
+	if (!SmbclientInit(error))
+		return InputPlugin::InitResult::UNAVAILABLE;
+
+	// TODO: create one global SMBCCTX here?
+
+	// TODO: evaluate config_param, call smbc_setOption*()
+
+	return InputPlugin::InitResult::SUCCESS;
+}
+
+static InputStream *
+input_smbclient_open(const char *uri,
+		     Mutex &mutex, Cond &cond,
+		     Error &error)
+{
+	if (!StringStartsWith(uri, "smb://"))
+		return nullptr;
+
+	const ScopeLock protect(smbclient_mutex);
+
+	SMBCCTX *ctx = smbc_new_context();
+	if (ctx == nullptr) {
+		error.SetErrno("smbc_new_context() failed");
+		return nullptr;
+	}
+
+	SMBCCTX *ctx2 = smbc_init_context(ctx);
+	if (ctx2 == nullptr) {
+		error.SetErrno("smbc_init_context() failed");
+		smbc_free_context(ctx, 1);
+		return nullptr;
+	}
+
+	ctx = ctx2;
+
+	int fd = smbc_open(uri, O_RDONLY, 0);
+	if (fd < 0) {
+		error.SetErrno("smbc_open() failed");
+		smbc_free_context(ctx, 1);
+		return nullptr;
+	}
+
+	struct stat st;
+	if (smbc_fstat(fd, &st) < 0) {
+		error.SetErrno("smbc_fstat() failed");
+		smbc_close(fd);
+		smbc_free_context(ctx, 1);
+		return nullptr;
+	}
+
+	return new SmbclientInputStream(uri, mutex, cond, ctx, fd, st);
+}
+
+size_t
+SmbclientInputStream::Read(void *ptr, size_t read_size, Error &error)
+{
+	smbclient_mutex.lock();
+	ssize_t nbytes = smbc_read(fd, ptr, read_size);
+	smbclient_mutex.unlock();
+	if (nbytes < 0) {
+		error.SetErrno("smbc_read() failed");
+		nbytes = 0;
+	}
+
+	return nbytes;
+}
+
+bool
+SmbclientInputStream::Seek(offset_type new_offset, Error &error)
+{
+	smbclient_mutex.lock();
+	off_t result = smbc_lseek(fd, new_offset, SEEK_SET);
+	smbclient_mutex.unlock();
+	if (result < 0) {
+		error.SetErrno("smbc_lseek() failed");
+		return false;
+	}
+
+	offset = result;
+	return true;
+}
+
+const InputPlugin input_plugin_smbclient = {
+	"smbclient",
+	input_smbclient_init,
+	nullptr,
+	input_smbclient_open,
+};