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Code Issues Releases Wiki Activity

renamed to webfuse

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This commit is contained in:
Falk Werner
2019-03-26 23:04:53 +01:00
parent 1c9d1c8420
commit 7447fb5dff
203 changed files with 4639 additions and 4639 deletions
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141
lib/webfuse/adapter/api.c Normal file
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#include "webfuse_adapter.h"
#include "webfuse/adapter/impl/server.h"
#include "webfuse/adapter/impl/server_protocol.h"
#include "webfuse/adapter/impl/server_config.h"
#include "webfuse/adapter/impl/credentials.h"
// server
struct wf_server * wf_server_create(
struct wf_server_config * config)
{
return wf_impl_server_create(config);
}
void wf_server_dispose(
struct wf_server * server)
{
wf_impl_server_dispose(server);
}
void wf_server_run(
struct wf_server * server)
{
wf_impl_server_run(server);
}
void wf_server_shutdown(
struct wf_server * server)
{
wf_impl_server_shutdown(server);
}
// server protocol
struct wf_server_protocol * wf_server_protocol_create(
char * mount_point)
{
return wf_impl_server_protocol_create(mount_point);
}
void wf_server_protocol_dispose(
struct wf_server_protocol * protocol)
{
wf_impl_server_protocol_dispose(protocol);
}
void wf_server_protocol_init_lws(
struct wf_server_protocol * protocol,
struct lws_protocols * lws_protocol)
{
wf_impl_server_protocol_init_lws(protocol, lws_protocol);
}
void wf_server_protocol_add_authenticator(
struct wf_server_protocol * protocol,
char const * type,
wf_authenticate_fn * authenticate,
void * user_data)
{
wf_impl_server_protocol_add_authenticator(protocol, type, authenticate, user_data);
}
// server_config
struct wf_server_config * wf_server_config_create(void)
{
return wf_impl_server_config_create();
}
void wf_server_config_dispose(
struct wf_server_config * config)
{
wf_impl_server_config_dispose(config);
}
void wf_server_config_set_mountpoint(
struct wf_server_config * config,
char const * mount_point)
{
wf_impl_server_config_set_mountpoint(config, mount_point);
}
void wf_server_config_set_documentroot(
struct wf_server_config * config,
char const * document_root)
{
wf_impl_server_config_set_documentroot(config, document_root);
}
void wf_server_config_set_keypath(
struct wf_server_config * config,
char const * key_path)
{
wf_impl_server_config_set_keypath(config, key_path);
}
void wf_server_config_set_certpath(
struct wf_server_config * config,
char const * cert_path)
{
wf_impl_server_config_set_certpath(config, cert_path);
}
void wf_server_config_set_vhostname(
struct wf_server_config * config,
char const * vhost_name)
{
wf_impl_server_config_set_vhostname(config, vhost_name);
}
void wf_server_config_set_port(
struct wf_server_config * config,
int port)
{
wf_impl_server_config_set_port(config, port);
}
void wf_server_config_add_authenticator(
struct wf_server_config * config,
char const * type,
wf_authenticate_fn * authenticate,
void * user_data)
{
wf_impl_server_config_add_authenticator(config, type, authenticate, user_data);
}
// credentials
char const * wf_credentials_type(
struct wf_credentials const * credentials)
{
return wf_impl_credentials_type(credentials);
}
char const * wf_credentials_get(
struct wf_credentials const * credentials,
char const * key)
{
return wf_impl_credentials_get(credentials, key);
}

49
lib/webfuse/adapter/impl/authenticator.c Normal file
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#include "webfuse/adapter/impl/authenticator.h"
#include <stdlib.h>
#include <string.h>
#include "webfuse/adapter/impl/credentials.h"
struct wf_impl_authenticator * wf_impl_authenticator_create(
char const * type,
wf_authenticate_fn * authenticate,
void * user_data)
{
struct wf_impl_authenticator * authenticator = malloc(sizeof(struct wf_impl_authenticator));
if (NULL != authenticator)
{
authenticator->type = strdup(type);
authenticator->authenticate = authenticate;
authenticator->user_data = user_data;
authenticator->next = NULL;
}
return authenticator;
}
void wf_impl_authenticator_dispose(
struct wf_impl_authenticator * authenticator)
{
free(authenticator->type);
free(authenticator);
}
bool wf_impl_authenticator_autenticate(
struct wf_impl_authenticator * authenticator,
struct wf_credentials * credentials)
{
bool result;
if (0 == strcmp(authenticator->type, credentials->type))
{
result = authenticator->authenticate(credentials, authenticator->user_data);
}
else
{
result = false;
}
return result;
}

42
lib/webfuse/adapter/impl/authenticator.h Normal file
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#ifndef WF_ADAPTER_IMPL_AUTHENTICATOR_H
#define WF_ADAPTER_IMPL_AUTHENTICATOR_H
#ifndef __cplusplus
#include <stdbool.h>
#endif
#include "webfuse/adapter/authenticate.h"
#ifdef __cplusplus
extern "C"
{
#endif
struct wf_credentials;
struct wf_impl_authenticator
{
char * type;
wf_authenticate_fn * authenticate;
void * user_data;
struct wf_impl_authenticator * next;
};
extern struct wf_impl_authenticator * wf_impl_authenticator_create(
char const * type,
wf_authenticate_fn * authenticate,
void * user_data);
extern void wf_impl_authenticator_dispose(
struct wf_impl_authenticator * authenticator);
extern bool wf_impl_authenticator_autenticate(
struct wf_impl_authenticator * authenticator,
struct wf_credentials * credentials);
#ifdef __cplusplus
}
#endif
#endif

101
lib/webfuse/adapter/impl/authenticators.c Normal file
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#include "webfuse/adapter/impl/authenticators.h"
#include <stddef.h>
#include <string.h>
#include "webfuse/adapter/impl/authenticator.h"
#include "webfuse/adapter/impl/credentials.h"
static struct wf_impl_authenticator * wf_impl_authenticators_find(
struct wf_impl_authenticators * authenticators,
char const * type)
{
struct wf_impl_authenticator * result = NULL;
struct wf_impl_authenticator * actual = authenticators->first;
while ((NULL == result) && (NULL != actual))
{
struct wf_impl_authenticator * next = actual->next;
if (0 == strcmp(type, actual->type))
{
result = actual;
}
actual = next;
}
return result;
}
void wf_impl_authenticators_init(
struct wf_impl_authenticators * authenticators)
{
authenticators->first = NULL;
}
void wf_impl_authenticators_cleanup(
struct wf_impl_authenticators * authenticators)
{
struct wf_impl_authenticator * actual = authenticators->first;
while (NULL != actual)
{
struct wf_impl_authenticator * next = actual->next;
wf_impl_authenticator_dispose(actual);
actual = next;
}
authenticators->first = NULL;
}
void wf_impl_authenticators_clone(
struct wf_impl_authenticators * authenticators,
struct wf_impl_authenticators * other)
{
wf_impl_authenticators_init(other);
struct wf_impl_authenticator * actual = authenticators->first;
while (NULL != actual)
{
struct wf_impl_authenticator * next = actual->next;
wf_impl_authenticators_add(other,
actual->type, actual->authenticate, actual->user_data);
actual = next;
}
}
extern void wf_impl_authenticators_move(
struct wf_impl_authenticators * authenticators,
struct wf_impl_authenticators * other)
{
other->first = authenticators->first;
authenticators->first = NULL;
}
void wf_impl_authenticators_add(
struct wf_impl_authenticators * authenticators,
char const * type,
wf_authenticate_fn * authenticate,
void * user_data)
{
struct wf_impl_authenticator * authenticator = wf_impl_authenticator_create(type, authenticate, user_data);
authenticator->next = authenticators->first;
authenticators->first = authenticator;
}
bool wf_impl_authenticators_authenticate(
struct wf_impl_authenticators * authenticators,
struct wf_credentials * credentials)
{
bool result = (NULL == authenticators->first);
if (NULL != credentials)
{
struct wf_impl_authenticator * authenticator = wf_impl_authenticators_find(authenticators, credentials->type);
if (NULL != authenticator)
{
result = wf_impl_authenticator_autenticate(authenticator, credentials);
}
}
return result;
}

51
lib/webfuse/adapter/impl/authenticators.h Normal file
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#ifndef WF_ADAPTER_IMPL_AUTHENTICATORS_H
#define WF_ADAPTER_IMPL_AUTHENTICATORS_H
#ifndef __cplusplus
#include <stdbool.h>
#endif
#include "webfuse/adapter/authenticate.h"
#ifdef __cplusplus
extern "C"
{
#endif
struct wf_impl_authenticator;
struct wf_credentials;
struct wf_impl_authenticators
{
struct wf_impl_authenticator * first;
};
extern void wf_impl_authenticators_init(
struct wf_impl_authenticators * authenticators);
extern void wf_impl_authenticators_cleanup(
struct wf_impl_authenticators * authenticators);
extern void wf_impl_authenticators_clone(
struct wf_impl_authenticators * authenticators,
struct wf_impl_authenticators * other);
extern void wf_impl_authenticators_move(
struct wf_impl_authenticators * authenticators,
struct wf_impl_authenticators * other);
extern void wf_impl_authenticators_add(
struct wf_impl_authenticators * authenticators,
char const * type,
wf_authenticate_fn * authenticate,
void * user_data);
extern bool wf_impl_authenticators_authenticate(
struct wf_impl_authenticators * authenticators,
struct wf_credentials * credentials);
#ifdef __cplusplus
}
#endif
#endif

40
lib/webfuse/adapter/impl/credentials.c Normal file
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#include "webfuse/adapter/impl/credentials.h"
#include <string.h>
void wf_impl_credentials_init(
struct wf_credentials * credentials,
char const * type,
json_t * data)
{
credentials->type = strdup(type);
credentials->data = data;
json_incref(credentials->data);
}
void wf_impl_credentials_cleanup(
struct wf_credentials * credentials)
{
free(credentials->type);
json_decref(credentials->data);
}
char const * wf_impl_credentials_type(
struct wf_credentials const * credentials)
{
return credentials->type;
}
char const * wf_impl_credentials_get(
struct wf_credentials const * credentials,
char const * key)
{
char const * result = NULL;
json_t * value_holder = json_object_get(credentials->data, key);
if (json_is_string(value_holder))
{
result = json_string_value(value_holder);
}
return result;
}

36
lib/webfuse/adapter/impl/credentials.h Normal file
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#ifndef WF_ADAPTER_IMPL_CREDENTIALS_H
#define WF_ADAPTER_IMPL_CREDENTIALS_H
#include <jansson.h>
#ifdef __cplusplus
extern "C"
{
#endif
struct wf_credentials
{
char * type;
json_t * data;
};
extern void wf_impl_credentials_init(
struct wf_credentials * credentials,
char const * type,
json_t * data);
extern void wf_impl_credentials_cleanup(
struct wf_credentials * credentials);
extern char const * wf_impl_credentials_type(
struct wf_credentials const * credentials);
extern char const * wf_impl_credentials_get(
struct wf_credentials const * credentials,
char const * key);
#ifdef __cplusplus
}
#endif
#endif

83
lib/webfuse/adapter/impl/filesystem.c Normal file
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#include "webfuse/adapter/impl/filesystem.h"
#include "webfuse/adapter/impl/operations.h"
#include "webfuse/adapter/impl/jsonrpc/server.h"
#include <stddef.h>
#include <string.h>
#include <errno.h>
static struct fuse_lowlevel_ops const filesystem_operations =
{
.lookup = &wf_impl_operation_lookup,
.getattr = &wf_impl_operation_getattr,
.readdir = &wf_impl_operation_readdir,
.open = &wf_impl_operation_open,
.release = &wf_impl_operation_close,
.read = &wf_impl_operation_read
};
bool wf_impl_filesystem_init(
struct wf_impl_filesystem * filesystem,
struct wf_impl_jsonrpc_server * rpc,
char * mount_point)
{
bool result = false;
char * argv[] = {"", NULL};
filesystem->args.argc = 1;
filesystem->args.argv = argv;
filesystem->args.allocated = 0;
filesystem->user_data.rpc = rpc;
filesystem->user_data.timeout = 1.0;
memset(&filesystem->buffer, 0, sizeof(struct fuse_buf));
filesystem->session = fuse_session_new(
&filesystem->args,
&filesystem_operations,
sizeof(filesystem_operations),
&filesystem->user_data);
if (NULL != filesystem->session)
{
result = (0 == fuse_session_mount(filesystem->session, mount_point));
}
return result;
}
void wf_impl_filesystem_cleanup(
struct wf_impl_filesystem * filesystem)
{
if (NULL != filesystem->session)
{
fuse_session_reset(filesystem->session);
fuse_session_unmount(filesystem->session);
fuse_session_destroy(filesystem->session);
filesystem->session = NULL;
}
free(filesystem->buffer.mem);
fuse_opt_free_args(&filesystem->args);
}
int wf_impl_filesystem_get_fd(
struct wf_impl_filesystem * filesystem)
{
return fuse_session_fd(filesystem->session);
}
void wf_impl_filesystem_process_request(
struct wf_impl_filesystem * filesystem)
{
int const result = fuse_session_receive_buf(filesystem->session, &filesystem->buffer);
if (0 < result)
{
fuse_session_process_buf(filesystem->session, &filesystem->buffer);
}
else if (-EINTR != result)
{
// ToDo
}
}

45
lib/webfuse/adapter/impl/filesystem.h Normal file
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#ifndef WF_ADAPTER_IMPL_FILESYSTEM_H
#define WF_ADAPTER_IMPL_FILESYSTEM_H
#ifndef __cplusplus
#include <stdbool.h>
#endif
#include "webfuse/adapter/impl/fuse_wrapper.h"
#include "webfuse/adapter/impl/operations.h"
#ifdef __cplusplus
extern "C"
{
#endif
struct wf_impl_jsonrpc_server;
struct wf_impl_filesystem
{
struct fuse_args args;
struct fuse_session * session;
struct fuse_buf buffer;
struct wf_impl_operations_context user_data;
};
extern bool wf_impl_filesystem_init(
struct wf_impl_filesystem * filesystem,
struct wf_impl_jsonrpc_server * rpc,
char * mount_point);
extern void wf_impl_filesystem_cleanup(
struct wf_impl_filesystem * filesystem);
extern int wf_impl_filesystem_get_fd(
struct wf_impl_filesystem * filesystem);
extern void wf_impl_filesystem_process_request(
struct wf_impl_filesystem * filesystem);
#ifdef __cplusplus
}
#endif
#endif

16
lib/webfuse/adapter/impl/fuse_wrapper.h Normal file
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#ifndef WF_ADAPTER_IMPL_FUSE_H
#define WF_ADAPTER_IMPL_FUSE_H
#ifdef __cplusplus
extern "C" {
#endif
#define FUSE_USE_VERSION 31
#include <fuse_lowlevel.h>
#ifdef __cplusplus
}
#endif
#endif

28
lib/webfuse/adapter/impl/jsonrpc/method.c Normal file
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#include "webfuse/adapter/impl/jsonrpc/method_intern.h"
#include <stdlib.h>
#include <string.h>
struct wf_impl_jsonrpc_method * wf_impl_jsonrpc_method_create(
char const * name,
wf_impl_jsonrpc_method_invoke_fn * invoke,
void * user_data)
{
struct wf_impl_jsonrpc_method * method = malloc(sizeof(struct wf_impl_jsonrpc_method));
if (NULL != method)
{
method->next = NULL;
method->name = strdup(name);
method->invoke = invoke;
method->user_data = user_data;
}
return method;
}
void wf_impl_jsonrpc_method_dispose(
struct wf_impl_jsonrpc_method * method)
{
free(method->name);
free(method);
}

31
lib/webfuse/adapter/impl/jsonrpc/method.h Normal file
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#ifndef WF_ADAPTER_IMPL_JSONRPC_METHOD_H
#define WF_ADAPTER_IMPL_JSONRPC_METHOD_H
#ifndef __cplusplus
#include <stdbool.h>
#endif
#include <jansson.h>
#include "webfuse/core/status.h"
#ifdef __cplusplus
extern "C"
{
#endif
typedef bool wf_impl_jsonrpc_method_invoke_fn(
void * user_data,
struct json_t const * method_call);
typedef void wf_impl_jsonrpc_method_finished_fn(
void * user_data,
wf_status status,
struct json_t const * result);
#ifdef __cplusplus
}
#endif
#endif

31
lib/webfuse/adapter/impl/jsonrpc/method_intern.h Normal file
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#ifndef WF_ADAPTER_IMPL_JSONRPC_METHOD_INTERN_H
#define WF_ADAPTER_IMPL_JSONRPC_METHOD_INTERN_H
#include "webfuse/adapter/impl/jsonrpc/method.h"
#ifdef __cplusplus
extern "C"
{
#endif
struct wf_impl_jsonrpc_method
{
struct wf_impl_jsonrpc_method * next;
char * name;
wf_impl_jsonrpc_method_invoke_fn * invoke;
void * user_data;
};
extern struct wf_impl_jsonrpc_method * wf_impl_jsonrpc_method_create(
char const * name,
wf_impl_jsonrpc_method_invoke_fn * invoke,
void * user_data);
extern void wf_impl_jsonrpc_method_dispose(
struct wf_impl_jsonrpc_method * method);
#ifdef __cplusplus
}
#endif
#endif

44
lib/webfuse/adapter/impl/jsonrpc/request.c Normal file
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#include "webfuse/adapter/impl/jsonrpc/request.h"
json_t * wf_impl_jsonrpc_request_create(
char const * method,
int id,
char const * param_info,
va_list args)
{
json_t * request = json_object();
json_object_set_new(request, "method", json_string(method));
json_t * params = json_array();
for (char const * param_type = param_info; '\0' != *param_type; param_type++)
{
switch(*param_type)
{
case 's':
{
char const * const value = va_arg(args, char const *);
json_array_append_new(params, json_string(value));
}
break;
case 'i':
{
int const value = va_arg(args, int);
json_array_append_new(params, json_integer(value));
}
break;
default:
fprintf(stderr, "fatal: unknown param_type '%c'\n", *param_type);
exit(EXIT_FAILURE);
break;
}
}
json_object_set_new(request, "params", params);
if (0 != id)
{
json_object_set_new(request, "id", json_integer(id));
}
return request;
}

31
lib/webfuse/adapter/impl/jsonrpc/request.h Normal file
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#ifndef WF_ADAPTER_IMPL_JSONRPC_REQUEST_H
#define WF_ADAPTER_IMPL_JSONRPC_REQUEST_H
#ifndef __cplusplus
#include <stdarg.h>
#include <stddef.h>
#include <stdbool.h>
#else
#include <cstdarg>
#include <cstddef>
using std::size_t;
#endif
#include <jansson.h>
#ifdef __cplusplus
extern "C"
{
#endif
extern json_t * wf_impl_jsonrpc_request_create(
char const * method,
int id,
char const * param_info,
va_list args);
#ifdef __cplusplus
}
#endif
#endif

59
lib/webfuse/adapter/impl/jsonrpc/response.c Normal file
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#include "webfuse/adapter/impl/jsonrpc/response.h"
void wf_impl_jsonrpc_response_init(
struct wf_impl_jsonrpc_response * result,
char const * buffer,
size_t length)
{
result->status = WF_BAD;
result->id = -1;
result->result = NULL;
json_t * response = json_loadb(buffer, length, 0, NULL);
if (NULL == response)
{
result->status = WF_BAD_FORMAT;
return;
}
json_t * id_holder = json_object_get(response, "id");
if ((NULL == id_holder) || (!json_is_integer(id_holder)))
{
result->status = WF_BAD_FORMAT;
json_decref(response);
return;
}
result->status = WF_GOOD;
result->id = json_integer_value(id_holder);
result->result = json_object_get(response, "result");
if (NULL != result->result)
{
json_incref(result->result);
}
else
{
result->status = WF_BAD_FORMAT;
json_t * error = json_object_get(response, "error");
if (NULL != error)
{
json_t * error_code = json_object_get(error, "code");
if ((NULL != error_code) && (json_is_integer(error_code)))
{
result->status = json_integer_value(error_code);
}
}
}
json_decref(response);
}
void wf_impl_jsonrpc_response_cleanup(
struct wf_impl_jsonrpc_response * response)
{
if (NULL != response->result)
{
json_decref(response->result);
}
}

38
lib/webfuse/adapter/impl/jsonrpc/response.h Normal file
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#ifndef WF_ADAPTER_IMPL_JSONRPC_RESPONSE_H
#define WF_ADAPTER_IMPL_JSONRPC_RESPONSE_H
#ifndef __cplusplus
#include <stddef.h>
#else
#include <cstddef>
using std::size_t;
#endif
#include <jansson.h>
#include "webfuse/core/status.h"
#ifdef __cplusplus
extern "C" {
#endif
struct wf_impl_jsonrpc_response
{
wf_status status;
int id;
json_t * result;
};
extern void wf_impl_jsonrpc_response_init(
struct wf_impl_jsonrpc_response * response,
char const * buffer,
size_t buffer_length);
extern void wf_impl_jsonrpc_response_cleanup(
struct wf_impl_jsonrpc_response * response);
#ifdef __cplusplus
}
#endif
#endif

186
lib/webfuse/adapter/impl/jsonrpc/server.c Normal file
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#include "webfuse/adapter/impl/jsonrpc/server.h"
#include <string.h>
#include "webfuse/adapter/impl/jsonrpc/method_intern.h"
#include "webfuse/adapter/impl/jsonrpc/request.h"
#include "webfuse/adapter/impl/jsonrpc/response.h"
#define WF_DEFAULT_TIMEOUT (10 * 1000)
static struct wf_impl_jsonrpc_method const * wf_impl_jsonrpc_server_getmethod(
struct wf_impl_jsonrpc_server * server,
char const * name)
{
struct wf_impl_jsonrpc_method * method = server->methods;
while ((NULL != method) && (0 == strcmp(name, method->name)))
{
method = method->next;
}
return method;
}
static void wf_impl_jsonrpc_server_timeout(
struct wf_impl_timer * timer)
{
struct wf_impl_jsonrpc_server * server = timer->user_data;
if (server->request.is_pending)
{
wf_impl_jsonrpc_method_finished_fn * finished = server->request.finished;
void * user_data = server->request.user_data;
server->request.is_pending = false;
server->request.id = 0;
server->request.user_data = NULL;
server->request.finished = NULL;
wf_impl_timer_cancel(&server->request.timer);
finished(user_data, WF_BAD_TIMEOUT, NULL);
}
}
void wf_impl_jsonrpc_server_init(
struct wf_impl_jsonrpc_server * server,
struct wf_impl_timeout_manager * timeout_manager)
{
server->methods = NULL;
server->request.is_pending = false;
wf_impl_timer_init(&server->request.timer, timeout_manager);
}
void wf_impl_jsonrpc_server_cleanup(
struct wf_impl_jsonrpc_server * server)
{
wf_impl_timer_cleanup(&server->request.timer);
if (server->request.is_pending)
{
server->request.finished(server->request.user_data, WF_BAD, NULL);
server->request.is_pending = false;
}
struct wf_impl_jsonrpc_method * method = server->methods;
while (NULL != method)
{
struct wf_impl_jsonrpc_method * next = method->next;
method->next = NULL;
wf_impl_jsonrpc_method_dispose(method);
method = next;
}
server->methods = NULL;
}
void wf_impl_jsonrpc_server_add(
struct wf_impl_jsonrpc_server * server,
char const * name,
wf_impl_jsonrpc_method_invoke_fn * invoke,
void * user_data)
{
struct wf_impl_jsonrpc_method * method = wf_impl_jsonrpc_method_create(name, invoke, user_data);
method->next = server->methods;
server->methods = method;
}
void wf_impl_jsonrpc_server_invoke(
struct wf_impl_jsonrpc_server * server,
wf_impl_jsonrpc_method_finished_fn * finished,
void * user_data,
char const * method_name,
char const * param_info,
...
)
{
if (!server->request.is_pending)
{
struct wf_impl_jsonrpc_method const * method = wf_impl_jsonrpc_server_getmethod(server, method_name);
if (NULL != method)
{
server->request.is_pending = true;
server->request.finished = finished;
server->request.user_data = user_data;
server->request.id = 42;
wf_impl_timer_start(&server->request.timer, wf_impl_timepoint_in_msec(WF_DEFAULT_TIMEOUT),
&wf_impl_jsonrpc_server_timeout, server);
va_list args;
va_start(args, param_info);
json_t * request = wf_impl_jsonrpc_request_create(method_name, server->request.id, param_info, args);
va_end(args);
if (NULL != request)
{
if (!method->invoke(method->user_data, request))
{
server->request.is_pending = false;
server->request.finished = NULL;
server->request.user_data = NULL;
server->request.id = 0;
wf_impl_timer_cancel(&server->request.timer);
finished(user_data, WF_BAD, NULL);
}
json_decref(request);
}
}
else
{
finished(user_data, WF_BAD_NOTIMPLEMENTED, NULL);
}
}
else
{
finished(user_data, WF_BAD_BUSY, NULL);
}
}
extern void wf_impl_jsonrpc_server_notify(
struct wf_impl_jsonrpc_server * server,
char const * method_name,
char const * param_info,
...
)
{
struct wf_impl_jsonrpc_method const * method = wf_impl_jsonrpc_server_getmethod(server, method_name);
if (NULL != method)
{
va_list args;
va_start(args, param_info);
json_t * request = wf_impl_jsonrpc_request_create(method_name, 0, param_info, args);
va_end(args);
if (NULL != request)
{
method->invoke(method->user_data, request);
json_decref(request);
}
}
}
void wf_impl_jsonrpc_server_onresult(
struct wf_impl_jsonrpc_server * server,
char const * message,
size_t length)
{
struct wf_impl_jsonrpc_response response;
wf_impl_jsonrpc_response_init(&response, message, length);
if ((server->request.is_pending) && (response.id == server->request.id))
{
wf_impl_jsonrpc_method_finished_fn * finished = server->request.finished;
void * user_data = server->request.user_data;
server->request.is_pending = false;
server->request.id = 0;
server->request.user_data = NULL;
server->request.finished = NULL;
wf_impl_timer_cancel(&server->request.timer);
finished(user_data, response.status, response.result);
}
wf_impl_jsonrpc_response_cleanup(&response);
}

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#ifndef WF_ADAPTER_IMPL_JSONRPC_SERVER_H
#define WF_ADAPTER_IMPL_JSONRPC_SERVER_H
#ifndef __cplusplus
#include <stdarg.h>
#include <stddef.h>
#include <stdbool.h>
#else
#include <cstdarg>
#include <cstddef>
using std::size_t;
#endif
#include <jansson.h>
#include "webfuse/adapter/impl/jsonrpc/method.h"
#include "webfuse/adapter/impl/time/timeout_manager.h"
#include "webfuse/adapter/impl/time/timer.h"
#ifdef __cplusplus
extern "C" {
#endif
struct wf_impl_jsonrpc_request
{
bool is_pending;
wf_impl_jsonrpc_method_finished_fn * finished;
void * user_data;
int id;
struct wf_impl_timer timer;
};
struct wf_impl_jsonrpc_server
{
struct wf_impl_jsonrpc_method * methods;
struct wf_impl_jsonrpc_request request;
};
extern void wf_impl_jsonrpc_server_init(
struct wf_impl_jsonrpc_server * server,
struct wf_impl_timeout_manager * manager);
extern void wf_impl_jsonrpc_server_cleanup(
struct wf_impl_jsonrpc_server * server);
extern void wf_impl_jsonrpc_server_add(
struct wf_impl_jsonrpc_server * server,
char const * name,
wf_impl_jsonrpc_method_invoke_fn * invoke,
void * user_data );
extern void wf_impl_jsonrpc_server_invoke(
struct wf_impl_jsonrpc_server * server,
wf_impl_jsonrpc_method_finished_fn * finished,
void * user_data,
char const * method_name,
char const * param_info,
...
);
extern void wf_impl_jsonrpc_server_notify(
struct wf_impl_jsonrpc_server * server,
char const * method_name,
char const * param_info,
...
);
extern void wf_impl_jsonrpc_server_onresult(
struct wf_impl_jsonrpc_server * server,
char const * message,
size_t length);
#ifdef __cplusplus
}
#endif
#endif

14
lib/webfuse/adapter/impl/jsonrpc/util.c Normal file
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#include "webfuse/adapter/impl/jsonrpc/util.h"
int wf_impl_json_get_int(json_t const * object, char const * key, int default_value)
{
int result = default_value;
json_t * holder = json_object_get(object, key);
if ((NULL != holder) && (json_is_integer(holder)))
{
result = json_integer_value(holder);
}
return result;
}

17
lib/webfuse/adapter/impl/jsonrpc/util.h Normal file
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#ifndef WF_ADAPTER_IMPL_JSON_UTIL_H
#define WF_ADAPTER_IMPL_JSON_UTIL_H
#include <jansson.h>
#ifdef __cplusplus
extern "C"
{
#endif
extern int wf_impl_json_get_int(json_t const * object, char const * key, int default_value);
#ifdef __cplusplus
}
#endif
#endif

21
lib/webfuse/adapter/impl/operation/close.c Normal file
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#include "webfuse/adapter/impl/operations.h"
#include <limits.h>
#include <errno.h>
#include <jansson.h>
#include "webfuse/adapter/impl/jsonrpc/server.h"
#include "webfuse/core/util.h"
void wf_impl_operation_close(
fuse_req_t request,
fuse_ino_t inode,
struct fuse_file_info * file_info)
{
struct wf_impl_operations_context * user_data = fuse_req_userdata(request);
struct wf_impl_jsonrpc_server * rpc = user_data->rpc;
int handle = (int) (file_info->fh & INT_MAX);
wf_impl_jsonrpc_server_notify(rpc, "close", "iii", inode, handle, file_info->flags);
fuse_reply_err(request, 0);
}

93
lib/webfuse/adapter/impl/operation/getattr.c Normal file
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#include "webfuse/adapter/impl/operations.h"
#include <errno.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include "webfuse/adapter/impl/jsonrpc/server.h"
#include "webfuse/adapter/impl/jsonrpc/util.h"
#include "webfuse/core/util.h"
struct wf_impl_operation_getattr_context
{
fuse_req_t request;
double timeout;
uid_t uid;
gid_t gid;
};
static void wf_impl_operation_getattr_finished(
void * user_data,
wf_status status,
json_t const * data)
{
struct wf_impl_operation_getattr_context * context = user_data;
struct stat buffer;
if (NULL != data)
{
json_t * mode_holder = json_object_get(data, "mode");
json_t * type_holder = json_object_get(data, "type");
if ((NULL != mode_holder) && (json_is_integer(mode_holder)) &&
(NULL != type_holder) && (json_is_string(type_holder)))
{
memset(&buffer, 0, sizeof(struct stat));
buffer.st_mode = json_integer_value(mode_holder) & 0555;
char const * type = json_string_value(type_holder);
if (0 == strcmp("file", type))
{
buffer.st_mode |= S_IFREG;
}
else if (0 == strcmp("dir", type))
{
buffer.st_mode |= S_IFDIR;
}
buffer.st_uid = context->uid;
buffer.st_gid = context->gid;
buffer.st_nlink = 1;
buffer.st_size = wf_impl_json_get_int(data, "size", 0);
buffer.st_atime = wf_impl_json_get_int(data, "atime", 0);
buffer.st_mtime = wf_impl_json_get_int(data, "mtime", 0);
buffer.st_ctime = wf_impl_json_get_int(data, "ctime", 0);
}
else
{
status = WF_BAD_FORMAT;
}
}
if (WF_GOOD == status)
{
fuse_reply_attr(context->request, &buffer, context->timeout);
}
else
{
fuse_reply_err(context->request, ENOENT);
}
free(context);
}
void wf_impl_operation_getattr (
fuse_req_t request,
fuse_ino_t inode,
struct fuse_file_info * WF_UNUSED_PARAM(file_info))
{
struct fuse_ctx const * context = fuse_req_ctx(request);
struct wf_impl_operations_context * user_data = fuse_req_userdata(request);
struct wf_impl_jsonrpc_server * rpc = user_data->rpc;
struct wf_impl_operation_getattr_context * getattr_context = malloc(sizeof(struct wf_impl_operation_getattr_context));
getattr_context->request = request;
getattr_context->uid = context->uid;
getattr_context->gid = context->gid;
getattr_context->timeout = user_data->timeout;
wf_impl_jsonrpc_server_invoke(rpc, &wf_impl_operation_getattr_finished, getattr_context, "getattr", "i", inode);
}

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lib/webfuse/adapter/impl/operation/lookup.c Normal file
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#include "webfuse/adapter/impl/operations.h"
#include <limits.h>
#include <errno.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdlib.h>
#include "webfuse/adapter/impl/jsonrpc/server.h"
#include "webfuse/adapter/impl/jsonrpc/util.h"
#include "webfuse/core/util.h"
struct wf_impl_operation_lookup_context
{
fuse_req_t request;
double timeout;
uid_t uid;
gid_t gid;
};
static void wf_impl_operation_lookup_finished(
void * user_data,
wf_status status,
json_t const * data
)
{
struct wf_impl_operation_lookup_context * context = user_data;
struct fuse_entry_param buffer;
if (NULL != data)
{
json_t * inode_holder = json_object_get(data, "inode");
json_t * mode_holder = json_object_get(data, "mode");
json_t * type_holder = json_object_get(data, "type");
if ((NULL != inode_holder) && (json_is_integer(inode_holder)) &&
(NULL != mode_holder) && (json_is_integer(mode_holder)) &&
(NULL != type_holder) && (json_is_string(type_holder)))
{
memset(&buffer, 0, sizeof(struct stat));
buffer.ino = json_integer_value(inode_holder);
buffer.attr.st_mode = json_integer_value(mode_holder) & 0555;
char const * type = json_string_value(type_holder);
if (0 == strcmp("file", type))
{
buffer.attr.st_mode |= S_IFREG;
}
else if (0 == strcmp("dir", type))
{
buffer.attr.st_mode |= S_IFDIR;
}
buffer.attr_timeout = context->timeout;
buffer.entry_timeout = context->timeout;
buffer.attr.st_uid = context->uid;
buffer.attr.st_gid = context->gid;
buffer.attr.st_nlink = 1;
buffer.attr.st_size = wf_impl_json_get_int(data, "size", 0);
buffer.attr.st_atime = wf_impl_json_get_int(data, "atime", 0);
buffer.attr.st_mtime = wf_impl_json_get_int(data, "mtime", 0);
buffer.attr.st_ctime = wf_impl_json_get_int(data, "ctime", 0);
}
else
{
status = WF_BAD_FORMAT;
}
}
if (WF_GOOD == status)
{
fuse_reply_entry(context->request, &buffer);
}
else
{
fuse_reply_err(context->request, ENOENT);
}
free(context);
}
void wf_impl_operation_lookup (
fuse_req_t request,
fuse_ino_t parent,
char const * name)
{
struct fuse_ctx const * context = fuse_req_ctx(request);
struct wf_impl_operations_context * user_data = fuse_req_userdata(request);
struct wf_impl_jsonrpc_server * rpc = user_data->rpc;
struct wf_impl_operation_lookup_context * lookup_context = malloc(sizeof(struct wf_impl_operation_lookup_context));
lookup_context->request = request;
lookup_context->uid = context->uid;
lookup_context->gid = context->gid;
lookup_context->timeout = user_data->timeout;
wf_impl_jsonrpc_server_invoke(rpc, &wf_impl_operation_lookup_finished, lookup_context, "lookup", "is", (int) (parent & INT_MAX), name);
}

53
lib/webfuse/adapter/impl/operation/open.c Normal file
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#include "webfuse/adapter/impl/operations.h"
#include <string.h>
#include <errno.h>
#include <jansson.h>
#include "webfuse/adapter/impl/jsonrpc/server.h"
#include "webfuse/core/util.h"
#include "webfuse/core/status.h"
static void wf_impl_operation_open_finished(
void * user_data,
wf_status status,
json_t const * result)
{
fuse_req_t request = user_data;
struct fuse_file_info file_info;
memset(&file_info, 0, sizeof(struct fuse_file_info));
if (NULL != result)
{
json_t * handle_holder = json_object_get(result, "handle");
if ((NULL != handle_holder) && (json_is_integer(handle_holder)))
{
file_info.fh = json_integer_value(handle_holder);
}
else
{
status = WF_BAD_FORMAT;
}
}
if (WF_GOOD == status)
{
fuse_reply_open(request, &file_info);
}
else
{
fuse_reply_err(request, ENOENT);
}
}
void wf_impl_operation_open(
fuse_req_t request,
fuse_ino_t inode,
struct fuse_file_info * file_info)
{
struct wf_impl_operations_context * user_data = fuse_req_userdata(request);
struct wf_impl_jsonrpc_server * rpc = user_data->rpc;
wf_impl_jsonrpc_server_invoke(rpc, &wf_impl_operation_open_finished, request, "open", "ii", inode, file_info->flags);
}

95
lib/webfuse/adapter/impl/operation/read.c Normal file
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#include "webfuse/adapter/impl/operations.h"
#include <errno.h>
#include <string.h>
#include <limits.h>
#include <jansson.h>
#include <libwebsockets.h>
#include "webfuse/adapter/impl/jsonrpc/server.h"
#define WF_MAX_READ_LENGTH 4096
static char * wf_impl_fill_buffer(
char const * data,
char const * format,
size_t count,
wf_status * status)
{
*status = WF_GOOD;
char * buffer = malloc(count + 1);
if ((NULL != buffer) && (0 < count))
{
if (0 == strcmp("identity", format))
{
memcpy(buffer, data, count); /* Flawfinder: ignore */
}
else if (0 == strcmp("base64", format))
{
lws_b64_decode_string(data, buffer, count + 1);
}
else
{
*status = WF_BAD;
}
}
return buffer;
}
static void wf_impl_operation_read_finished(void * user_data, wf_status status, json_t const * data)
{
fuse_req_t request = user_data;
char * buffer = NULL;
size_t length = 0;
if (NULL != data)
{
json_t * data_holder = json_object_get(data, "data");
json_t * format_holder = json_object_get(data, "format");
json_t * count_holder = json_object_get(data, "count");
if (json_is_string(data_holder) &&
json_is_string(format_holder) &&
json_is_integer(count_holder))
{
char const * const data = json_string_value(data_holder);
char const * const format = json_string_value(format_holder);
length = (size_t) json_integer_value(count_holder);
buffer = wf_impl_fill_buffer(data, format, length, &status);
}
else
{
status = WF_BAD_FORMAT;
}
}
if (WF_GOOD == status)
{
fuse_reply_buf(request, buffer, length);
}
else
{
fuse_reply_err(request, ENOENT);
}
free(buffer);
}
void wf_impl_operation_read(
fuse_req_t request,
fuse_ino_t inode,
size_t size,
off_t offset,
struct fuse_file_info * file_info)
{
struct wf_impl_operations_context * user_data = fuse_req_userdata(request);
struct wf_impl_jsonrpc_server * rpc = user_data->rpc;
int const length = (size <= WF_MAX_READ_LENGTH) ? (int) size : WF_MAX_READ_LENGTH;
int handle = (file_info->fh & INT_MAX);
wf_impl_jsonrpc_server_invoke(rpc, &wf_impl_operation_read_finished, request, "read", "iiii", inode, handle, (int) offset, length);
}

147
lib/webfuse/adapter/impl/operation/readdir.c Normal file
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#include "webfuse/adapter/impl/operations.h"
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include "webfuse/adapter/impl/jsonrpc/server.h"
#include "webfuse/core/util.h"
#define WF_DIRBUFFER_INITIAL_SIZE 1024
struct wf_impl_operation_readdir_context
{
fuse_req_t request;
size_t size;
off_t offset;
};
struct wf_impl_dirbuffer
{
char * data;
size_t position;
size_t capacity;
};
static void wf_impl_dirbuffer_init(
struct wf_impl_dirbuffer * buffer)
{
buffer->data = malloc(WF_DIRBUFFER_INITIAL_SIZE);
buffer->position = 0;
buffer->capacity = WF_DIRBUFFER_INITIAL_SIZE;
}
static void wf_impl_dirbuffer_dispose(
struct wf_impl_dirbuffer * buffer)
{
free(buffer->data);
}
static void wf_impl_dirbuffer_add(
fuse_req_t request,
struct wf_impl_dirbuffer * buffer,
char const * name,
fuse_ino_t inode)
{
size_t const size = fuse_add_direntry(request, NULL, 0, name, NULL, 0);
size_t remaining = buffer->capacity - buffer->position;
while (remaining < size)
{
buffer->capacity *= 2;
buffer->data = realloc(buffer->data, buffer->capacity);
remaining = buffer->capacity - buffer->position;
}
struct stat stat_buffer;
memset(&stat_buffer, 0, sizeof(struct stat));
stat_buffer.st_ino = inode;
fuse_add_direntry(request,
&buffer->data[buffer->position], remaining, name,
&stat_buffer, buffer->position + size);
buffer->position += size;
}
static size_t wf_impl_min(size_t a, size_t b)
{
return (a < b) ? a : b;
}
static void wf_impl_operation_readdir_finished(
void * user_data,
wf_status status,
json_t const * result)
{
struct wf_impl_operation_readdir_context * context = user_data;
struct wf_impl_dirbuffer buffer;
wf_impl_dirbuffer_init(&buffer);
if (NULL != result)
{
if (json_is_array(result))
{
bool buffer_full = false;
size_t const count = json_array_size(result);
for(size_t i = 0; (!buffer_full) && (i < count); i++)
{
json_t * entry =json_array_get(result, i);
if (json_is_object(entry))
{
json_t * name_holder = json_object_get(entry, "name");
json_t * inode_holder = json_object_get(entry, "inode");
if ((NULL != name_holder) && (json_is_string(name_holder)) &&
(NULL != inode_holder) && (json_is_integer(inode_holder)))
{
char const * name = json_string_value(name_holder);
fuse_ino_t entry_inode = (fuse_ino_t) json_integer_value(inode_holder);
wf_impl_dirbuffer_add(context->request, &buffer, name, entry_inode);
}
}
}
}
}
if (WF_GOOD == status)
{
if (((size_t) context->offset) < buffer.position)
{
fuse_reply_buf(context->request, &buffer.data[context->offset],
wf_impl_min(buffer.position - context->offset, context->size));
}
else
{
fuse_reply_buf(context->request, NULL, 0);
}
}
else
{
fuse_reply_err(context->request, ENOENT);
}
wf_impl_dirbuffer_dispose(&buffer);
free(context);
}
void wf_impl_operation_readdir (
fuse_req_t request,
fuse_ino_t inode,
size_t size,
off_t offset,
struct fuse_file_info * WF_UNUSED_PARAM(file_info))
{
struct wf_impl_operations_context * user_data = fuse_req_userdata(request);
struct wf_impl_jsonrpc_server * rpc = user_data->rpc;
struct wf_impl_operation_readdir_context * readdir_context = malloc(sizeof(struct wf_impl_operation_readdir_context));
readdir_context->request = request;
readdir_context->size = size;
readdir_context->offset = offset;
wf_impl_jsonrpc_server_invoke(rpc, &wf_impl_operation_readdir_finished, readdir_context, "readdir", "i", inode);
}

55
lib/webfuse/adapter/impl/operations.h Normal file
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#ifndef WF_ADAPTER_IMPL_OPERATIONS_H
#define WF_ADAPTER_IMPL_OPERATIONS_H
#include "webfuse/adapter/impl/fuse_wrapper.h"
#ifdef __cplusplus
extern "C" {
#endif
struct wf_impl_jsonrpc_server;
struct wf_impl_operations_context
{
struct wf_impl_jsonrpc_server * rpc;
double timeout;
};
extern void wf_impl_operation_lookup (
fuse_req_t req,
fuse_ino_t parent,
char const * name);
extern void wf_impl_operation_getattr (
fuse_req_t request,
fuse_ino_t inode,
struct fuse_file_info *file_info);
extern void wf_impl_operation_readdir (
fuse_req_t request,
fuse_ino_t inode,
size_t size,
off_t offset,
struct fuse_file_info *file_info);
extern void wf_impl_operation_open(
fuse_req_t request,
fuse_ino_t inode,
struct fuse_file_info * file_info);
extern void wf_impl_operation_close(
fuse_req_t request,
fuse_ino_t inode,
struct fuse_file_info * file_info);
extern void wf_impl_operation_read(
fuse_req_t request,
fuse_ino_t ino, size_t size, off_t off,
struct fuse_file_info *fi);
#ifdef __cplusplus
}
#endif
#endif

153
lib/webfuse/adapter/impl/server.c Normal file
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#include "webfuse/adapter/server.h"
#include <stdlib.h>
#include <stdbool.h>
#include <libwebsockets.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include "webfuse/adapter/impl/server_config.h"
#include "webfuse/adapter/impl/server_protocol.h"
#define WF_DISABLE_LWS_LOG 0
#define WF_SERVER_PROTOCOL_COUNT 3
#define WF_SERVER_TIMEOUT (1 * 1000)
struct wf_server
{
struct wf_server_config config;
struct wf_server_protocol protocol;
struct lws_protocols ws_protocols[WF_SERVER_PROTOCOL_COUNT];
struct lws_context * context;
volatile bool shutdown_requested;
struct lws_http_mount mount;
struct lws_context_creation_info info;
};
static bool wf_impl_server_tls_enabled(
struct wf_server * server)
{
return ((server->config.key_path != NULL) && (server->config.cert_path != NULL));
}
static struct lws_context * wf_impl_server_context_create(
struct wf_server * server)
{
lws_set_log_level(WF_DISABLE_LWS_LOG, NULL);
memset(server->ws_protocols, 0, sizeof(struct lws_protocols) * WF_SERVER_PROTOCOL_COUNT);
server->ws_protocols[0].name = "http";
server->ws_protocols[0].callback = lws_callback_http_dummy;
server->ws_protocols[1].name = "fs";
wf_impl_server_protocol_init_lws(&server->protocol, &server->ws_protocols[1]);
memset(&server->mount, 0, sizeof(struct lws_http_mount));
server->mount.mount_next = NULL,
server->mount.mountpoint = "/",
server->mount.origin = server->config.document_root,
server->mount.def = "index.html",
server->mount.origin_protocol = LWSMPRO_FILE,
server->mount.mountpoint_len = 1,
memset(&server->info, 0, sizeof(struct lws_context_creation_info));
server->info.port = server->config.port;
server->info.mounts = &server->mount;
server->info.protocols = server->ws_protocols;
server->info.vhost_name = server->config.vhost_name;
server->info.ws_ping_pong_interval = 10;
server->info.options = LWS_SERVER_OPTION_HTTP_HEADERS_SECURITY_BEST_PRACTICES_ENFORCE;
if (NULL == server->config.document_root)
{
// disable http
server->info.protocols = &server->ws_protocols[1];
server->info.mounts = NULL;
}
if (wf_impl_server_tls_enabled(server))
{
server->info.options |= LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT;
server->info.ssl_cert_filepath = server->config.cert_path;
server->info.ssl_private_key_filepath = server->config.key_path;
}
struct lws_context * const context = lws_create_context(&server->info);
return context;
}
static bool wf_impl_server_check_mountpoint(
struct wf_server_config * config)
{
bool result = false;
if (NULL != config->mount_point)
{
struct stat info;
int const rc = stat(config->mount_point, &info);
result = ((0 == rc) && (S_ISDIR(info.st_mode)));
if (!result)
{
result = (0 == mkdir(config->mount_point, 0755));
}
}
return result;
}
struct wf_server * wf_impl_server_create(
struct wf_server_config * config)
{
struct wf_server * server = NULL;
if (wf_impl_server_check_mountpoint(config))
{
server = malloc(sizeof(struct wf_server));
if (NULL != server)
{
if (wf_impl_server_protocol_init(&server->protocol, config->mount_point))
{
server->shutdown_requested = false;
wf_impl_server_config_clone(config, &server->config);
wf_impl_authenticators_move(&server->config.authenticators, &server->protocol.authenticators);
server->context = wf_impl_server_context_create(server);
}
else
{
free(server);
server = NULL;
}
}
}
return server;
}
void wf_impl_server_dispose(
struct wf_server * server)
{
lws_context_destroy(server->context);
wf_impl_server_protocol_cleanup(&server->protocol);
wf_impl_server_config_cleanup(&server->config);
free(server);
}
void wf_impl_server_run(
struct wf_server * server)
{
int n = 0;
while ((0 <= n) && (!server->shutdown_requested))
{
n = lws_service(server->context, WF_SERVER_TIMEOUT);
}
}
void wf_impl_server_shutdown(
struct wf_server * server)
{
server->shutdown_requested = true;
}

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#ifndef WF_ADAPTER_IMPL_SERVER_H
#define WF_ADAPTER_IMPL_SERVER_H
#ifdef __cplusplus
extern "C"
{
#endif
struct wf_server;
struct wf_server_config;
extern struct wf_server * wf_impl_server_create(
struct wf_server_config * config);
extern void wf_impl_server_dispose(
struct wf_server * server);
extern void wf_impl_server_run(
struct wf_server * server);
extern void wf_impl_server_shutdown(
struct wf_server * server);
#ifdef __cplusplus
}
#endif
#endif

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#include "webfuse/adapter/impl/server_config.h"
#include <stdlib.h>
#include <string.h>
static char * wf_impl_server_config_strdup(char const * value)
{
char * result = NULL;
if (NULL != value)
{
result = strdup(value);
}
return result;
}
void wf_impl_server_config_init(
struct wf_server_config * config)
{
memset(config, 0, sizeof(struct wf_server_config));
wf_impl_authenticators_init(&config->authenticators);
}
void wf_impl_server_config_cleanup(
struct wf_server_config * config)
{
wf_impl_authenticators_cleanup(&config->authenticators);
free(config->mount_point);
free(config->document_root);
free(config->key_path);
free(config->cert_path);
free(config->vhost_name);
wf_impl_server_config_init(config);
}
void wf_impl_server_config_clone(
struct wf_server_config * config,
struct wf_server_config * clone)
{
clone->mount_point = wf_impl_server_config_strdup(config->mount_point);
clone->document_root = wf_impl_server_config_strdup(config->document_root);
clone->key_path = wf_impl_server_config_strdup(config->key_path);
clone->cert_path = wf_impl_server_config_strdup(config->cert_path);
clone->vhost_name = wf_impl_server_config_strdup(config->vhost_name);
clone->port = config->port;
wf_impl_authenticators_clone(&config->authenticators, &clone->authenticators);
}
struct wf_server_config * wf_impl_server_config_create(void)
{
struct wf_server_config * config = malloc(sizeof(struct wf_server_config));
if (NULL != config)
{
wf_impl_server_config_init(config);
}
return config;
}
void wf_impl_server_config_dispose(
struct wf_server_config * config)
{
wf_impl_server_config_cleanup(config);
free(config);
}
void wf_impl_server_config_set_mountpoint(
struct wf_server_config * config,
char const * mount_point)
{
free(config->mount_point);
config->mount_point = strdup(mount_point);
}
void wf_impl_server_config_set_documentroot(
struct wf_server_config * config,
char const * document_root)
{
free(config->document_root);
config->document_root = strdup(document_root);
}
void wf_impl_server_config_set_keypath(
struct wf_server_config * config,
char const * key_path)
{
free(config->key_path);
config->key_path = strdup(key_path);
}
void wf_impl_server_config_set_certpath(
struct wf_server_config * config,
char const * cert_path)
{
free(config->cert_path);
config->cert_path = strdup(cert_path);
}
void wf_impl_server_config_set_vhostname(
struct wf_server_config * config,
char const * vhost_name)
{
free(config->vhost_name);
config->vhost_name = strdup(vhost_name);
}
void wf_impl_server_config_set_port(
struct wf_server_config * config,
int port)
{
config->port = port;
}
void wf_impl_server_config_add_authenticator(
struct wf_server_config * config,
char const * type,
wf_authenticate_fn * authenticate,
void * user_data
)
{
wf_impl_authenticators_add(&config->authenticators, type, authenticate, user_data);
}

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#ifndef WF_ADAPTER_IMPL_SERVER_CONFIG_H
#define WF_ADAPTER_IMPL_SERVER_CONFIG_H
#include "webfuse/adapter/impl/authenticators.h"
#ifdef __cplusplus
extern "C" {
#endif
struct wf_server_config
{
char * mount_point;
char * document_root;
char * key_path;
char * cert_path;
char * vhost_name;
int port;
struct wf_impl_authenticators authenticators;
};
extern struct wf_server_config * wf_impl_server_config_create(void);
extern void wf_impl_server_config_dispose(
struct wf_server_config * config);
extern void wf_impl_server_config_init(
struct wf_server_config * config);
extern void wf_impl_server_config_cleanup(
struct wf_server_config * config);
extern void wf_impl_server_config_clone(
struct wf_server_config * config,
struct wf_server_config * clone);
extern void wf_impl_server_config_set_mountpoint(
struct wf_server_config * config,
char const * mount_point);
extern void wf_impl_server_config_set_documentroot(
struct wf_server_config * config,
char const * document_root);
extern void wf_impl_server_config_set_keypath(
struct wf_server_config * config,
char const * key_path);
extern void wf_impl_server_config_set_certpath(
struct wf_server_config * config,
char const * cert_path);
extern void wf_impl_server_config_set_vhostname(
struct wf_server_config * config,
char const * vhost_name);
extern void wf_impl_server_config_set_port(
struct wf_server_config * config,
int port);
extern void wf_impl_server_config_add_authenticator(
struct wf_server_config * config,
char const * type,
wf_authenticate_fn * authenticate,
void * user_data
);
#ifdef __cplusplus
}
#endif
#endif

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#include "webfuse/adapter/impl/server_protocol.h"
#include <stdlib.h>
#include <libwebsockets.h>
#include "webfuse/core/message.h"
#include "webfuse/core/util.h"
#include "webfuse/adapter/impl/filesystem.h"
static int wf_impl_server_protocol_callback(
struct lws * wsi,
enum lws_callback_reasons reason,
void * WF_UNUSED_PARAM(user),
void * in,
size_t len)
{
struct lws_protocols const * ws_protocol = lws_get_protocol(wsi);
struct wf_server_protocol * protocol = ws_protocol->user;
wf_impl_timeout_manager_check(&protocol->timeout_manager);
struct wf_impl_session * session = wf_impl_session_manager_get(&protocol->session_manager, wsi);
switch (reason)
{
case LWS_CALLBACK_PROTOCOL_INIT:
{
lws_sock_file_fd_type fd;
fd.filefd = wf_impl_filesystem_get_fd(&protocol->filesystem);
if (!lws_adopt_descriptor_vhost(lws_get_vhost(wsi), LWS_ADOPT_RAW_FILE_DESC, fd, ws_protocol->name, NULL))
{
fprintf(stderr, "error: unable to adopt fd");
}
}
break;
case LWS_CALLBACK_ESTABLISHED:
session = wf_impl_session_manager_add(
&protocol->session_manager,
wsi,
&protocol->authenticators,
&protocol->rpc);
if (NULL != session)
{
wf_impl_session_authenticate(session, NULL);
}
break;
case LWS_CALLBACK_CLOSED:
wf_impl_session_manager_remove(&protocol->session_manager, wsi);
break;
case LWS_CALLBACK_SERVER_WRITEABLE:
if (NULL != session)
{
wf_impl_session_onwritable(session);
}
break;
case LWS_CALLBACK_RECEIVE:
if (NULL != session)
{
wf_impl_session_receive(session, in, len);
}
break;
case LWS_CALLBACK_RAW_RX_FILE:
wf_impl_filesystem_process_request(&protocol->filesystem);
break;
default:
break;
}
return 0;
}
static bool wf_impl_server_protocol_invoke(
void * user_data,
json_t const * request)
{
struct wf_server_protocol * protocol = user_data;
struct wf_impl_session * session = &protocol->session_manager.session;
struct wf_message * message = wf_message_create(request);
bool const result = wf_impl_session_send(session, message);
return result;
}
struct wf_server_protocol * wf_impl_server_protocol_create(
char * mount_point)
{
struct wf_server_protocol * protocol = malloc(sizeof(struct wf_server_protocol));
if (NULL != protocol)
{
if (!wf_impl_server_protocol_init(protocol, mount_point))
{
free(protocol);
protocol = NULL;
}
}
return protocol;
}
void wf_impl_server_protocol_dispose(
struct wf_server_protocol * protocol)
{
wf_impl_server_protocol_cleanup(protocol);
free(protocol);
}
void wf_impl_server_protocol_init_lws(
struct wf_server_protocol * protocol,
struct lws_protocols * lws_protocol)
{
lws_protocol->callback = &wf_impl_server_protocol_callback;
lws_protocol->per_session_data_size = 0;
lws_protocol->user = protocol;
}
bool wf_impl_server_protocol_init(
struct wf_server_protocol * protocol,
char * mount_point)
{
wf_impl_timeout_manager_init(&protocol->timeout_manager);
wf_impl_session_manager_init(&protocol->session_manager);
wf_impl_authenticators_init(&protocol->authenticators);
wf_impl_jsonrpc_server_init(&protocol->rpc, &protocol->timeout_manager);
wf_impl_jsonrpc_server_add(&protocol->rpc, "lookup", &wf_impl_server_protocol_invoke, protocol);
wf_impl_jsonrpc_server_add(&protocol->rpc, "getattr", &wf_impl_server_protocol_invoke, protocol);
wf_impl_jsonrpc_server_add(&protocol->rpc, "readdir", &wf_impl_server_protocol_invoke, protocol);
wf_impl_jsonrpc_server_add(&protocol->rpc, "open", &wf_impl_server_protocol_invoke, protocol);
wf_impl_jsonrpc_server_add(&protocol->rpc, "close", &wf_impl_server_protocol_invoke, protocol);
wf_impl_jsonrpc_server_add(&protocol->rpc, "read", &wf_impl_server_protocol_invoke, protocol);
bool const success = wf_impl_filesystem_init(&protocol->filesystem, &protocol->rpc, mount_point);
// cleanup on error
if (!success)
{
wf_impl_jsonrpc_server_cleanup(&protocol->rpc);
wf_impl_authenticators_cleanup(&protocol->authenticators);
wf_impl_timeout_manager_cleanup(&protocol->timeout_manager);
wf_impl_session_manager_cleanup(&protocol->session_manager);
}
return success;
}
void wf_impl_server_protocol_cleanup(
struct wf_server_protocol * protocol)
{
wf_impl_filesystem_cleanup(&protocol->filesystem);
wf_impl_jsonrpc_server_cleanup(&protocol->rpc);
wf_impl_timeout_manager_cleanup(&protocol->timeout_manager);
wf_impl_authenticators_cleanup(&protocol->authenticators);
wf_impl_session_manager_cleanup(&protocol->session_manager);
}
void wf_impl_server_protocol_add_authenticator(
struct wf_server_protocol * protocol,
char const * type,
wf_authenticate_fn * authenticate,
void * user_data)
{
wf_impl_authenticators_add(&protocol->authenticators, type, authenticate, user_data);
}

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#ifndef WF_ADAPTER_IMPL_SERVER_PROTOCOL_H
#define WF_ADAPTER_IMPL_SERVER_PROTOCOL_H
#include "webfuse/adapter/impl/filesystem.h"
#include "webfuse/adapter/impl/jsonrpc/server.h"
#include "webfuse/adapter/impl/time/timeout_manager.h"
#include "webfuse/adapter/impl/authenticators.h"
#include "webfuse/adapter/impl/session_manager.h"
#ifdef __cplusplus
extern "C"
{
#endif
struct lws_protocols;
struct wf_server_protocol
{
struct wf_impl_timeout_manager timeout_manager;
struct wf_impl_filesystem filesystem;
struct wf_impl_jsonrpc_server rpc;
struct wf_impl_authenticators authenticators;
struct wf_impl_session_manager session_manager;
};
extern bool wf_impl_server_protocol_init(
struct wf_server_protocol * protocol,
char * mount_point);
extern void wf_impl_server_protocol_cleanup(
struct wf_server_protocol * protocol);
extern struct wf_server_protocol * wf_impl_server_protocol_create(
char * mount_point);
extern void wf_impl_server_protocol_dispose(
struct wf_server_protocol * protocol);
extern void wf_impl_server_protocol_init_lws(
struct wf_server_protocol * protocol,
struct lws_protocols * lws_protocol);
extern void wf_impl_server_protocol_add_authenticator(
struct wf_server_protocol * protocol,
char const * type,
wf_authenticate_fn * authenticate,
void * user_data);
#ifdef __cplusplus
}
#endif
#endif

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#include "webfuse/adapter/impl/session.h"
#include "webfuse/adapter/impl/authenticators.h"
#include "webfuse/core/message_queue.h"
#include "webfuse/core/message.h"
#include "webfuse/adapter/impl/jsonrpc/server.h"
#include <libwebsockets.h>
#include <stddef.h>
void wf_impl_session_init(
struct wf_impl_session * session,
struct lws * wsi,
struct wf_impl_authenticators * authenticators,
struct wf_impl_jsonrpc_server * rpc)
{
session->wsi = wsi;
session->is_authenticated = false;
session->authenticators = authenticators;
session->rpc = rpc;
wf_message_queue_init(&session->queue);
}
void wf_impl_session_cleanup(
struct wf_impl_session * session)
{
wf_message_queue_cleanup(&session->queue);
session->is_authenticated = false;
session->wsi = NULL;
session->authenticators = NULL;
session->rpc = NULL;
}
void wf_impl_session_authenticate(
struct wf_impl_session * session,
struct wf_credentials * creds)
{
session->is_authenticated = wf_impl_authenticators_authenticate(session->authenticators, creds);
}
bool wf_impl_session_send(
struct wf_impl_session * session,
struct wf_message * message)
{
bool result = (session->is_authenticated) && (NULL != session->wsi);
if (result)
{
wf_message_queue_push(&session->queue, message);
lws_callback_on_writable(session->wsi);
result = true;
}
else
{
wf_message_dispose(message);
}
return result;
}
void wf_impl_session_onwritable(
struct wf_impl_session * session)
{
if (!wf_message_queue_empty(&session->queue))
{
struct wf_message * message = wf_message_queue_pop(&session->queue);
lws_write(session->wsi, (unsigned char*) message->data, message->length, LWS_WRITE_TEXT);
wf_message_dispose(message);
if (!wf_message_queue_empty(&session->queue))
{
lws_callback_on_writable(session->wsi);
}
}
}
void wf_impl_session_receive(
struct wf_impl_session * session,
char const * data,
size_t length)
{
wf_impl_jsonrpc_server_onresult(session->rpc, data, length);
}

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#ifndef WF_ADAPTER_IMPL_SESSION_H
#define WF_ADAPTER_IMPL_SESSION_H
#ifndef __cplusplus
#include <stdbool.h>
#include <stddef.h>
#else
#include <cstddef>
using std::size_t;
#endif
#include "webfuse/core/message_queue.h"
#ifdef __cplusplus
extern "C"
{
#endif
struct lws;
struct wf_message;
struct wf_credentials;
struct wf_impl_authenticators;
struct wf_impl_jsonrpc_server;
struct wf_impl_session
{
struct lws * wsi;
bool is_authenticated;
struct wf_message_queue queue;
struct wf_impl_authenticators * authenticators;
struct wf_impl_jsonrpc_server * rpc;
};
extern void wf_impl_session_init(
struct wf_impl_session * session,
struct lws * wsi,
struct wf_impl_authenticators * authenticators,
struct wf_impl_jsonrpc_server * rpc);
extern void wf_impl_session_authenticate(
struct wf_impl_session * session,
struct wf_credentials * creds);
extern bool wf_impl_session_send(
struct wf_impl_session * session,
struct wf_message * message);
extern void wf_impl_session_receive(
struct wf_impl_session * session,
char const * data,
size_t length);
extern void wf_impl_session_onwritable(
struct wf_impl_session * session);
extern void wf_impl_session_cleanup(
struct wf_impl_session * session);
#ifdef __cplusplus
}
#endif
#endif

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#include "webfuse/adapter/impl/session_manager.h"
#include <stddef.h>
void wf_impl_session_manager_init(
struct wf_impl_session_manager * manager)
{
wf_impl_session_init(&manager->session, NULL, NULL, NULL);
}
void wf_impl_session_manager_cleanup(
struct wf_impl_session_manager * manager)
{
wf_impl_session_cleanup(&manager->session);
}
struct wf_impl_session * wf_impl_session_manager_add(
struct wf_impl_session_manager * manager,
struct lws * wsi,
struct wf_impl_authenticators * authenticators,
struct wf_impl_jsonrpc_server * rpc)
{
struct wf_impl_session * session = NULL;
if (NULL == manager->session.wsi)
{
session = &manager->session;
wf_impl_session_init(&manager->session, wsi, authenticators, rpc);
}
return session;
}
struct wf_impl_session * wf_impl_session_manager_get(
struct wf_impl_session_manager * manager,
struct lws * wsi)
{
struct wf_impl_session * session = NULL;
if (wsi == manager->session.wsi)
{
session = &manager->session;
}
return session;
}
void wf_impl_session_manager_remove(
struct wf_impl_session_manager * manager,
struct lws * wsi)
{
if (wsi == manager->session.wsi)
{
wf_impl_session_cleanup(&manager->session);
manager->session.wsi = NULL;
}
}

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#ifndef WF_ADAPTER_IMPL_SESSION_MANAGER_H
#define WF_ADAPTER_IMPL_SESSION_MANAGER_H
#ifndef __cplusplus
#include <stdbool.h>
#endif
#include "webfuse/adapter/impl/session.h"
#ifdef __cplusplus
extern "C"
{
#endif
struct lws;
struct wf_impl_session_manager
{
struct wf_impl_session session;
};
extern void wf_impl_session_manager_init(
struct wf_impl_session_manager * manager);
extern void wf_impl_session_manager_cleanup(
struct wf_impl_session_manager * manager);
extern struct wf_impl_session * wf_impl_session_manager_add(
struct wf_impl_session_manager * manager,
struct lws * wsi,
struct wf_impl_authenticators * authenticators,
struct wf_impl_jsonrpc_server * rpc);
extern struct wf_impl_session * wf_impl_session_manager_get(
struct wf_impl_session_manager * manager,
struct lws * wsi);
extern void wf_impl_session_manager_remove(
struct wf_impl_session_manager * manager,
struct lws * wsi);
#ifdef __cplusplus
}
#endif
#endif

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#include "webfuse/adapter/impl/time/timeout_manager_intern.h"
#include <stddef.h>
#include "webfuse/adapter/impl/time/timer_intern.h"
#include "webfuse/adapter/impl/time/timepoint.h"
void wf_impl_timeout_manager_init(
struct wf_impl_timeout_manager * manager)
{
manager->timers = NULL;
}
void wf_impl_timeout_manager_cleanup(
struct wf_impl_timeout_manager * manager)
{
struct wf_impl_timer * timer = manager->timers;
while (NULL != timer)
{
struct wf_impl_timer * next = timer->next;
wf_impl_timer_trigger(timer);
timer = next;
}
manager->timers = NULL;
}
void wf_impl_timeout_manager_check(
struct wf_impl_timeout_manager * manager)
{
struct wf_impl_timer * timer = manager->timers;
while (NULL != timer)
{
struct wf_impl_timer * next = timer->next;
if (wf_impl_timer_is_timeout(timer))
{
wf_impl_timeout_manager_removetimer(manager, timer);
wf_impl_timer_trigger(timer);
}
timer = next;
}
}
void wf_impl_timeout_manager_addtimer(
struct wf_impl_timeout_manager * manager,
struct wf_impl_timer * timer)
{
if (NULL != manager->timers)
{
manager->timers->prev = timer;
}
timer->next = manager->timers;
timer->prev = NULL;
manager->timers = timer;
}
void wf_impl_timeout_manager_removetimer(
struct wf_impl_timeout_manager * manager,
struct wf_impl_timer * timer)
{
struct wf_impl_timer * prev = timer->prev;
struct wf_impl_timer * next = timer->next;
if (NULL != prev)
{
prev->next = next;
}
if (NULL != next)
{
next->prev = prev;
}
if (manager->timers == timer)
{
manager->timers = next;
}
}

29
lib/webfuse/adapter/impl/time/timeout_manager.h Normal file
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#ifndef WF_ADAPTER_IMPL_TIME_TIMEOUT_MANAGER_H
#define WF_ADAPTER_IMPL_TIME_TIMEOUT_MANAGER_H
#ifdef __cplusplus
extern "C"
{
#endif
struct wf_impl_timer;
struct wf_impl_timeout_manager
{
struct wf_impl_timer * timers;
};
extern void wf_impl_timeout_manager_init(
struct wf_impl_timeout_manager * manager);
extern void wf_impl_timeout_manager_cleanup(
struct wf_impl_timeout_manager * manager);
extern void wf_impl_timeout_manager_check(
struct wf_impl_timeout_manager * manager);
#ifdef __cplusplus
}
#endif
#endif

24
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#ifndef WF_ADAPTER_IMPL_TIME_TIMEOUT_MANAGER_INTERN_H
#define WF_ADAPTER_IMPL_TIME_TIMEOUT_MANAGER_INTERN_H
#include "webfuse/adapter/impl/time/timeout_manager.h"
#ifdef __cplusplus
extern "C"
{
#endif
extern void wf_impl_timeout_manager_addtimer(
struct wf_impl_timeout_manager * manager,
struct wf_impl_timer * timer);
extern void wf_impl_timeout_manager_removetimer(
struct wf_impl_timeout_manager * manager,
struct wf_impl_timer * timer);
#ifdef __cplusplus
}
#endif
#endif

31
lib/webfuse/adapter/impl/time/timepoint.c Normal file
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#include "webfuse/adapter/impl/time/timepoint.h"
#include <time.h>
#define WF_MSEC_PER_SEC ((wf_impl_timepoint) 1000)
#define WF_NSEC_PER_MSEC ((wf_impl_timepoint) 1000 * 1000)
wf_impl_timepoint wf_impl_timepoint_now(void)
{
struct timespec tp;
clock_gettime(CLOCK_MONOTONIC, &tp);
wf_impl_timepoint const now = (tp.tv_sec * WF_MSEC_PER_SEC) + (tp.tv_nsec / WF_NSEC_PER_MSEC);
return now;
}
wf_impl_timepoint wf_impl_timepoint_in_msec(wf_impl_timediff value)
{
wf_impl_timepoint const now = wf_impl_timepoint_now();
wf_impl_timepoint result = now + ((wf_impl_timepoint) value);
return result;
}
bool wf_impl_timepoint_is_elapsed(wf_impl_timepoint tp)
{
wf_impl_timepoint const now = wf_impl_timepoint_now();
wf_impl_timediff const diff = (wf_impl_timediff) (tp - now);
return (0 > diff);
}

31
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#ifndef WF_ADAPTER_IMPL_TIME_TIMEPOINT_H
#define WF_ADAPTER_IMPL_TIME_TIMEPOINT_H
#ifndef __cplusplus
#include <stdbool.h>
#include <inttypes.h>
#else
#include <cinttypes>
#endif
#ifdef __cplusplus
extern "C"
{
#endif
typedef uint64_t wf_impl_timepoint;
typedef int64_t wf_impl_timediff;
extern wf_impl_timepoint wf_impl_timepoint_now(void);
extern wf_impl_timepoint wf_impl_timepoint_in_msec(
wf_impl_timediff value);
extern bool wf_impl_timepoint_is_elapsed(
wf_impl_timepoint timepoint);
#ifdef __cplusplus
}
#endif
#endif

65
lib/webfuse/adapter/impl/time/timer.c Normal file
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#include "webfuse/adapter/impl/time/timer_intern.h"
#include "webfuse/adapter/impl/time/timeout_manager_intern.h"
#include <stddef.h>
#include <string.h>
void wf_impl_timer_init(
struct wf_impl_timer * timer,
struct wf_impl_timeout_manager * manager)
{
timer->manager = manager;
timer->timeout = 0;
timer->timeout_handler = NULL;
timer->user_data = NULL;
timer->prev = NULL;
timer->next = NULL;
}
void wf_impl_timer_cleanup(
struct wf_impl_timer * timer)
{
memset(timer, 0, sizeof(struct wf_impl_timer));
}
void wf_impl_timer_start(
struct wf_impl_timer * timer,
wf_impl_timepoint absolute_timeout,
wf_impl_timer_timeout_fn * handler,
void * user_data)
{
timer->timeout = absolute_timeout;
timer->timeout_handler = handler;
timer->user_data = user_data;
wf_impl_timeout_manager_addtimer(timer->manager, timer);
}
void wf_impl_timer_cancel(
struct wf_impl_timer * timer)
{
wf_impl_timeout_manager_removetimer(timer->manager, timer);
timer->timeout = 0;
timer->timeout_handler = NULL;
timer->user_data = NULL;
}
bool wf_impl_timer_is_timeout(
struct wf_impl_timer * timer)
{
return wf_impl_timepoint_is_elapsed(timer->timeout);
}
void wf_impl_timer_trigger(
struct wf_impl_timer * timer)
{
if (NULL != timer->timeout_handler)
{
timer->prev = NULL;
timer->next = NULL;
timer->timeout_handler(timer);
}
}

48
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#ifndef WF_ADAPTER_IMPL_TIME_TIMER_H
#define WF_ADAPTER_IMPL_TIME_TIMER_H
#include "webfuse/adapter/impl/time/timepoint.h"
#ifdef __cplusplus
extern "C"
{
#endif
struct wf_impl_timer;
struct wf_impl_timeout_manager;
typedef void wf_impl_timer_timeout_fn(struct wf_impl_timer * timer);
struct wf_impl_timer
{
struct wf_impl_timeout_manager * manager;
wf_impl_timepoint timeout;
wf_impl_timer_timeout_fn * timeout_handler;
void * user_data;
struct wf_impl_timer * next;
struct wf_impl_timer * prev;
};
extern void wf_impl_timer_init(
struct wf_impl_timer * timer,
struct wf_impl_timeout_manager * manager);
extern void wf_impl_timer_cleanup(
struct wf_impl_timer * timer);
extern void wf_impl_timer_start(
struct wf_impl_timer * timer,
wf_impl_timepoint absolute_timeout,
wf_impl_timer_timeout_fn * handler,
void * user_data);
extern void wf_impl_timer_cancel(
struct wf_impl_timer * timer);
#ifdef __cplusplus
}
#endif
#endif

25
lib/webfuse/adapter/impl/time/timer_intern.h Normal file
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#ifndef WF_ADAPTER_IMPL_TIME_TIMER_INTERN_H
#define WF_ADAPTER_IMPL_TIME_TIMER_INTERN_H
#ifndef __cplusplus
#include <stdbool.h>
#endif
#include "webfuse/adapter/impl/time/timer.h"
#ifdef __cplusplus
extern "C"
{
#endif
extern bool wf_impl_timer_is_timeout(
struct wf_impl_timer * timer);
extern void wf_impl_timer_trigger(
struct wf_impl_timer * timer);
#ifdef __cplusplus
}
#endif
#endif

32
lib/webfuse/core/message.c Normal file
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#include "webfuse/core/message.h"
#include <stdlib.h>
#include <libwebsockets.h>
extern struct wf_message * wf_message_create(json_t const * value)
{
struct wf_message * message = NULL;
size_t const length = json_dumpb(value, NULL, 0, JSON_COMPACT);
if (0 < length)
{
char * data = malloc(sizeof(struct wf_message) + LWS_PRE + length);
message = (struct wf_message *) data;
if (NULL != message)
{
message->data = &data[sizeof(struct wf_message) + LWS_PRE];
message->length = length;
message->next = NULL;
json_dumpb(value, message->data, length, JSON_COMPACT);
}
}
return message;
}
void wf_message_dispose(
struct wf_message * message)
{
free(message);
}

34
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#ifndef WF_MESSAGE_H
#define WF_MESSAGE_H
#ifndef __cplusplus
#include <stddef.h>
#else
#include <cstddef>
using std::size_t;
#endif
#include <jansson.h>
struct wf_message
{
struct wf_message * next;
char * data;
size_t length;
};
#ifdef __cplusplus
extern "C"
{
#endif
extern struct wf_message * wf_message_create(json_t const * value);
extern void wf_message_dispose(
struct wf_message * message);
#ifdef __cplusplus
}
#endif
#endif

63
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#include "webfuse/core/message_queue.h"
#include "webfuse/core/message.h"
void wf_message_queue_init(
struct wf_message_queue * queue)
{
queue->first = NULL;
queue->last = NULL;
}
void wf_message_queue_cleanup(
struct wf_message_queue * queue)
{
struct wf_message * message = queue->first;
while (NULL != message)
{
struct wf_message * next = message->next;
wf_message_dispose(message);
message = next;
}
wf_message_queue_init(queue);
}
bool wf_message_queue_empty(
struct wf_message_queue * queue)
{
return (NULL == queue->first);
}
void wf_message_queue_push(
struct wf_message_queue * queue,
struct wf_message * message)
{
message->next = NULL;
if (NULL != queue->last)
{
queue->last->next = message;
queue->last = message;
}
else
{
queue->first = message;
queue->last = message;
}
}
struct wf_message * wf_message_queue_pop(
struct wf_message_queue * queue)
{
struct wf_message * const result = queue->first;
if (NULL != result)
{
queue->first = queue->first->next;
if (NULL == queue->first)
{
queue->last = NULL;
}
}
return result;
}

42
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#ifndef WF_MESSAGE_QUEUE_H
#define WF_MESSAGE_QUEUE_H
#ifndef __cplusplus
#include <stdbool.h>
#endif
struct wf_message_queue;
struct wf_message;
struct wf_message_queue
{
struct wf_message * first;
struct wf_message * last;
};
#ifdef __cplusplus
extern "C"
{
#endif
extern void wf_message_queue_init(
struct wf_message_queue * queue);
extern void wf_message_queue_cleanup(
struct wf_message_queue * queue);
extern bool wf_message_queue_empty(
struct wf_message_queue * queue);
extern void wf_message_queue_push(
struct wf_message_queue * queue,
struct wf_message * message);
extern struct wf_message * wf_message_queue_pop(
struct wf_message_queue * queue);
#ifdef __cplusplus
}
#endif
#endif

34
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#include "webfuse/core/status_intern.h"
#include <errno.h>
int wf_status_to_rc(wf_status status)
{
switch(status)
{
case WF_GOOD: return 0;
case WF_BAD_NOTIMPLEMENTED: return -ENOSYS;
case WF_BAD_TIMEOUT: return -ETIMEDOUT;
case WF_BAD_BUSY: return -ENOENT;
case WF_BAD_FORMAT: return -ENOENT;
case WF_BAD_NOENTRY: return -ENOENT;
case WF_BAD_NOACCESS: return -EACCES;
default: return -ENOENT;
}
}
char const * wf_status_tostring(wf_status status)
{
switch(status)
{
case WF_GOOD: return "Good";
case WF_BAD: return "Bad";
case WF_BAD_NOTIMPLEMENTED: return "Bad (not implelemted)";
case WF_BAD_TIMEOUT: return "Bad (timeout)";
case WF_BAD_BUSY: return "Bad (busy)";
case WF_BAD_FORMAT: return "Bad (format)";
case WF_BAD_NOENTRY: return "Bad (no entry)";
case WF_BAD_NOACCESS: return "Bad (no access)";
default: return "Bad (unknown)";
}
}

19
lib/webfuse/core/status_intern.h Normal file
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#ifndef WF_STATUS_INTERN_H
#define WF_STATUS_INTERN_H
#include "webfuse/core/status.h"
#ifdef __cplusplus
extern "C" {
#endif
extern int wf_status_to_rc(wf_status status);
extern char const * wf_status_tostring(wf_status status);
#ifdef __cplusplus
}
#endif
#endif

10
lib/webfuse/core/util.h Normal file
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#ifndef WF_UTIL_H
#define WF_UTIL_H
#ifdef __GNUC__
#define WF_UNUSED_PARAM(param) param __attribute__((unused))
#else
#define WF_UNUSED_PARAM(param)
#endif
#endif

240
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#include "webfuse_provider.h"
#include "webfuse/provider/impl/request.h"
#include "webfuse/provider/impl/operation/getattr.h"
#include "webfuse/provider/impl/operation/lookup.h"
#include "webfuse/provider/impl/operation/readdir.h"
#include "webfuse/provider/impl/operation/open.h"
#include "webfuse/provider/impl/operation/close.h"
#include "webfuse/provider/impl/operation/read.h"
#include "webfuse/provider/impl/client_protocol.h"
#include "webfuse/provider/impl/client_config.h"
#include "webfuse/provider/impl/client.h"
#include "webfuse/provider/impl/dirbuffer.h"
// respond
void wfp_respond_error(
struct wfp_request * request,
wf_status status)
{
wfp_impl_respond_error(request, status);
}
void wfp_respond_getattr(
struct wfp_request * request,
struct stat const * stat)
{
wfp_impl_respond_getattr(request, stat);
}
void wfp_respond_lookup(
struct wfp_request * request,
struct stat const * stat)
{
wfp_impl_respond_lookup(request, stat);
}
void wfp_respond_open(
struct wfp_request * request,
uint32_t handle)
{
wfp_impl_respond_open(request, handle);
}
void wfp_respond_read(
struct wfp_request * request,
char const * data,
size_t length)
{
wfp_impl_respond_read(request, data, length);
}
void wfp_respond_readdir(
struct wfp_request * request,
struct wfp_dirbuffer * dirbuffer)
{
wfp_impl_respond_readdir(request, dirbuffer);
}
// config
struct wfp_client_config * wfp_client_config_create(void)
{
return wfp_impl_client_config_create();
}
void wfp_client_config_dispose(
struct wfp_client_config * config)
{
wfp_impl_client_config_dispose(config);
}
void wfp_client_config_set_userdata(
struct wfp_client_config * config,
void * user_data)
{
wfp_impl_client_config_set_userdata(config, user_data);
}
void wfp_client_config_set_keypath(
struct wfp_client_config * config,
char const * key_path)
{
wfp_impl_client_config_set_keypath(config, key_path);
}
void wfp_client_config_set_certpath(
struct wfp_client_config * config,
char const * cert_path)
{
wfp_impl_client_config_set_certpath(config, cert_path);
}
void wfp_client_config_set_onconnected(
struct wfp_client_config * config,
wfp_connected_fn * handler)
{
wfp_impl_client_config_set_onconnected(config, handler);
}
void wfp_client_config_set_ondisconnected(
struct wfp_client_config * config,
wfp_disconnected_fn * handler)
{
wfp_impl_client_config_set_ondisconnected(config, handler);
}
void wfp_client_config_set_ontimer(
struct wfp_client_config * config,
wfp_ontimer_fn * handler)
{
wfp_impl_client_config_set_ontimer(config, handler);
}
void wfp_client_config_set_onlookup(
struct wfp_client_config * config,
wfp_lookup_fn * handler)
{
wfp_impl_client_config_set_onlookup(config, handler);
}
void wfp_client_config_set_ongetattr(
struct wfp_client_config * config,
wfp_getattr_fn * handler)
{
wfp_impl_client_config_set_ongetattr(config, handler);
}
void wfp_client_config_set_onreaddir(
struct wfp_client_config * config,
wfp_readdir_fn * handler)
{
wfp_impl_client_config_set_onreaddir(config, handler);
}
void wfp_client_config_set_onopen(
struct wfp_client_config * config,
wfp_open_fn * handler)
{
wfp_impl_client_config_set_onopen(config, handler);
}
void wfp_client_config_set_onclose(
struct wfp_client_config * config,
wfp_close_fn * handler)
{
wfp_impl_client_config_set_onclose(config, handler);
}
void wfp_client_config_set_onread(
struct wfp_client_config * config,
wfp_read_fn * handler)
{
wfp_impl_client_config_set_onread(config, handler);
}
// protocol
struct wfp_client_protocol * wfp_client_protocol_create(
struct wfp_provider const * provider,
void * user_data)
{
return wfp_impl_client_protocol_create(provider, user_data);
}
void wfp_client_protocol_dispose(
struct wfp_client_protocol * protocol)
{
wfp_impl_client_protocol_dispose(protocol);
}
void wfp_client_protocol_init_lws(
struct wfp_client_protocol * protocol,
struct lws_protocols * lws_protocol)
{
wfp_impl_client_protocol_init_lws(protocol, lws_protocol);
}
// client
struct wfp_client * wfp_client_create(
struct wfp_client_config * config)
{
return wfp_impl_client_create(config);
}
void wfp_client_connect(
struct wfp_client * client,
char const * url)
{
wfp_impl_client_connect(client, url);
}
void wfp_client_disconnect(
struct wfp_client * client)
{
wfp_impl_client_disconnect(client);
}
void wfp_client_dispose(
struct wfp_client * client)
{
wfp_impl_client_dispose(client);
}
void wfp_client_run(
struct wfp_client * client)
{
wfp_impl_client_run(client);
}
void wfp_client_shutdown(
struct wfp_client * client)
{
wfp_impl_client_shutdown(client);
}
// dirbuffer
struct wfp_dirbuffer * wfp_dirbuffer_create(void)
{
return wfp_impl_dirbuffer_create();
}
void wfp_dirbuffer_dispose(
struct wfp_dirbuffer * buffer)
{
wfp_impl_dirbuffer_dispose(buffer);
}
void wfp_dirbuffer_add(
struct wfp_dirbuffer * buffer,
char const * name,
ino_t inode)
{
wfp_impl_dirbuffer_add(buffer, name, inode);
}

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#include "webfuse/provider/impl/client.h"
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include <libwebsockets.h>
#include "webfuse/provider/impl/provider.h"
#include "webfuse/provider/impl/client_protocol.h"
#include "webfuse/provider/impl/client_config.h"
#include "webfuse/provider/impl/url.h"
#define WFP_PROTOCOL ("fs")
#define WFP_DISABLE_LWS_LOG 0
#define WFP_CLIENT_PROTOCOL_COUNT 2
#define WFP_CLIENT_TIMEOUT (1 * 1000)
struct wfp_client
{
volatile bool is_running;
struct wfp_client_protocol protocol;
struct lws_context_creation_info info;
struct lws_protocols protocols[WFP_CLIENT_PROTOCOL_COUNT];
struct lws_context * context;
char * key_path;
char * cert_path;
};
struct wfp_client * wfp_impl_client_create(
struct wfp_client_config * config)
{
lws_set_log_level(WFP_DISABLE_LWS_LOG, NULL);
struct wfp_client * client = malloc(sizeof(struct wfp_client));
if (NULL != client)
{
client->is_running = true;
wfp_impl_client_protocol_init(&client->protocol, &config->provider, config->user_data);
memset(client->protocols, 0, sizeof(struct lws_protocols) * WFP_CLIENT_PROTOCOL_COUNT);
client->protocols[0].name = "fs";
wfp_impl_client_protocol_init_lws(&client->protocol, &client->protocols[0]);
memset(&client->info, 0, sizeof(struct lws_context_creation_info));
client->info.port = CONTEXT_PORT_NO_LISTEN;
client->info.protocols = client->protocols;
client->info.uid = -1;
client->info.gid = -1;
if ((NULL != config->cert_path) && (NULL != config->key_path))
{
}
client->context = lws_create_context(&client->info);
}
return client;
}
void wfp_impl_client_dispose(
struct wfp_client * client)
{
lws_context_destroy(client->context);
wfp_impl_client_protocol_cleanup(&client->protocol);
free(client);
}
void wfp_impl_client_connect(
struct wfp_client * client,
char const * url)
{
struct wfp_impl_url url_data;
bool const success = wfp_impl_url_init(&url_data, url);
if (success)
{
struct lws_client_connect_info info;
memset(&info, 0, sizeof(struct lws_client_connect_info));
info.context = client->context;
info.port = url_data.port;
info.address = url_data.host;
info.path = url_data.path;
info.host = info.address;
info.origin = info.address;
info.ssl_connection = (url_data.use_tls) ? LCCSCF_USE_SSL : 0;
info.protocol = WFP_PROTOCOL;
info.pwsi = &client->protocol.wsi;
lws_client_connect_via_info(&info);
wfp_impl_url_cleanup(&url_data);
}
}
void wfp_impl_client_disconnect(
struct wfp_client * client)
{
(void) client;
// ToDo: implement me
}
void wfp_impl_client_run(
struct wfp_client * client)
{
while (client->is_running)
{
lws_service(client->context, WFP_CLIENT_TIMEOUT);
}
}
void wfp_impl_client_shutdown(
struct wfp_client * client)
{
client->is_running = false;
}

49
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#ifndef WF_PROVIDER_IMPL_CLIENT_H
#define WF_PROVIDER_IMPL_CLIENT_H
#ifdef __cplusplus
extern "C"
{
#endif
struct wfp_client;
struct wfp_client_config;
extern struct wfp_client * wfp_impl_client_create(
struct wfp_client_config * config);
extern void wfp_impl_client_set_keypath(
struct wfp_client * client,
char * key_path);
extern void wfp_impl_client_set_certpath(
struct wfp_client * client,
char * cert_path);
extern void wfp_impl_client_connect(
struct wfp_client * client,
char const * url);
extern void wfp_impl_client_disconnect(
struct wfp_client * client);
extern void wfp_impl_client_settimeout(
struct wfp_client * client,
unsigned int timepoint);
extern void wfp_impl_client_dispose(
struct wfp_client * client);
extern void wfp_impl_client_run(
struct wfp_client * client);
extern void wfp_impl_client_shutdown(
struct wfp_client * client);
#ifdef __cplusplus
}
#endif
#endif

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#include "webfuse/provider/impl/client_config.h"
#include "webfuse/provider/impl/provider.h"
#include <stdlib.h>
#include <string.h>
struct wfp_client_config * wfp_impl_client_config_create(void)
{
struct wfp_client_config * config = malloc(sizeof(struct wfp_client_config));
if (NULL != config)
{
wfp_impl_provider_init(&config->provider);
config->user_data = NULL;
config->key_path = NULL;
config->cert_path = NULL;
}
return config;
}
void wfp_impl_client_config_dispose(
struct wfp_client_config * config)
{
free(config->key_path);
free(config->cert_path);
free(config);
}
void wfp_impl_client_config_set_userdata(
struct wfp_client_config * config,
void * user_data)
{
config->user_data = user_data;
}
void wfp_impl_client_config_set_keypath(
struct wfp_client_config * config,
char const * key_path)
{
free(config->key_path);
config->key_path = strdup(key_path);
}
void wfp_impl_client_config_set_certpath(
struct wfp_client_config * config,
char const * cert_path)
{
free(config->cert_path);
config->cert_path = strdup(cert_path);
}
void wfp_impl_client_config_set_onconnected(
struct wfp_client_config * config,
wfp_connected_fn * handler)
{
config->provider.connected = handler;
}
void wfp_impl_client_config_set_ondisconnected(
struct wfp_client_config * config,
wfp_disconnected_fn * handler)
{
config->provider.disconnected = handler;
}
void wfp_impl_client_config_set_ontimer(
struct wfp_client_config * config,
wfp_ontimer_fn * handler)
{
config->provider.ontimer = handler;
}
void wfp_impl_client_config_set_onlookup(
struct wfp_client_config * config,
wfp_lookup_fn * handler)
{
config->provider.lookup = handler;
}
void wfp_impl_client_config_set_ongetattr(
struct wfp_client_config * config,
wfp_getattr_fn * handler)
{
config->provider.getattr = handler;
}
void wfp_impl_client_config_set_onreaddir(
struct wfp_client_config * config,
wfp_readdir_fn * handler)
{
config->provider.readdir = handler;
}
void wfp_impl_client_config_set_onopen(
struct wfp_client_config * config,
wfp_open_fn * handler)
{
config->provider.open = handler;
}
void wfp_impl_client_config_set_onclose(
struct wfp_client_config * config,
wfp_close_fn * handler)
{
config->provider.close = handler;
}
void wfp_impl_client_config_set_onread(
struct wfp_client_config * config,
wfp_read_fn * handler)
{
config->provider.read = handler;
}

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#ifndef WF_PROVIDER_IMPL_CLIENT_CONFIG_H
#define WF_PROVIDER_IMPL_CLIENT_CONFIG_H
#include "webfuse/provider/client_config.h"
#include "webfuse/provider/impl/provider.h"
#ifdef __cplusplus
extern "C"
{
#endif
struct wfp_client_config
{
struct wfp_provider provider;
void * user_data;
char * key_path;
char * cert_path;
};
extern struct wfp_client_config * wfp_impl_client_config_create(void);
extern void wfp_impl_client_config_dispose(
struct wfp_client_config * config);
extern void wfp_impl_client_config_set_userdata(
struct wfp_client_config * config,
void * user_data);
extern void wfp_impl_client_config_set_keypath(
struct wfp_client_config * config,
char const * key_path);
extern void wfp_impl_client_config_set_certpath(
struct wfp_client_config * config,
char const * cert_path);
extern void wfp_impl_client_config_set_onconnected(
struct wfp_client_config * config,
wfp_connected_fn * handler);
extern void wfp_impl_client_config_set_ondisconnected(
struct wfp_client_config * config,
wfp_disconnected_fn * handler);
extern void wfp_impl_client_config_set_ontimer(
struct wfp_client_config * config,
wfp_ontimer_fn * handler);
extern void wfp_impl_client_config_set_onlookup(
struct wfp_client_config * config,
wfp_lookup_fn * handler);
extern void wfp_impl_client_config_set_ongetattr(
struct wfp_client_config * config,
wfp_getattr_fn * handler);
extern void wfp_impl_client_config_set_onreaddir(
struct wfp_client_config * config,
wfp_readdir_fn * handler);
extern void wfp_impl_client_config_set_onopen(
struct wfp_client_config * config,
wfp_open_fn * handler);
extern void wfp_impl_client_config_set_onclose(
struct wfp_client_config * config,
wfp_close_fn * handler);
extern void wfp_impl_client_config_set_onread(
struct wfp_client_config * config,
wfp_read_fn * handler);
#ifdef __cplusplus
}
#endif
#endif

149
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#include "webfuse/provider/impl/client_protocol.h"
#include <stdlib.h>
#include <string.h>
#include <libwebsockets.h>
#include <jansson.h>
#include "webfuse/provider/impl/provider.h"
#include "webfuse/core/util.h"
#include "webfuse/core/message.h"
static void wfp_impl_client_protocol_respond(
json_t * response,
void * user_data)
{
struct wfp_client_protocol * protocol = (struct wfp_client_protocol *) user_data;
struct wf_message * message = wf_message_create(response);
if (NULL != message)
{
wf_message_queue_push(&protocol->queue, message);
lws_callback_on_writable(protocol->wsi);
}
}
static void wfp_impl_client_protocol_process_request(
struct wfp_client_protocol * protocol,
char const * message,
size_t length)
{
json_t * request = json_loadb(message, length, 0, NULL);
if (NULL != request)
{
struct wfp_impl_invokation_context context =
{
.provider = &protocol->provider,
.user_data = protocol->user_data,
.request = &protocol->request
};
wfp_impl_provider_invoke(&context, request);
json_decref(request);
}
}
static int wfp_impl_client_protocol_callback(
struct lws * wsi,
enum lws_callback_reasons reason,
void * WF_UNUSED_PARAM(user),
void * in,
size_t len)
{
struct lws_protocols const * ws_protocol = lws_get_protocol(wsi);
struct wfp_client_protocol * protocol = (NULL != ws_protocol) ? ws_protocol->user: NULL;
if (NULL != protocol)
{
switch (reason)
{
case LWS_CALLBACK_CLIENT_ESTABLISHED:
protocol->provider.connected(protocol->user_data);
break;
case LWS_CALLBACK_CLIENT_CONNECTION_ERROR:
protocol->provider.disconnected(protocol->user_data);
break;
case LWS_CALLBACK_CLIENT_CLOSED:
protocol->provider.connected(protocol->user_data);
break;
case LWS_CALLBACK_CLIENT_RECEIVE:
wfp_impl_client_protocol_process_request(protocol, in, len);
break;
case LWS_CALLBACK_SERVER_WRITEABLE:
// fall-through
case LWS_CALLBACK_CLIENT_WRITEABLE:
if ((wsi == protocol->wsi) && (!wf_message_queue_empty(&protocol->queue)))
{
struct wf_message * message = wf_message_queue_pop(&protocol->queue);
lws_write(wsi, (unsigned char*) message->data, message->length, LWS_WRITE_TEXT);
wf_message_dispose(message);
if (!wf_message_queue_empty(&protocol->queue))
{
lws_callback_on_writable(wsi);
}
}
break;
default:
break;
}
}
return 0;
}
void wfp_impl_client_protocol_init(
struct wfp_client_protocol * protocol,
struct wfp_provider const * provider,
void * user_data)
{
wf_message_queue_init(&protocol->queue);
protocol->wsi = NULL;
protocol->request.respond = &wfp_impl_client_protocol_respond;
protocol->request.user_data = protocol;
protocol->user_data = user_data;
wfp_impl_provider_init_from_prototype(&protocol->provider, provider);
}
void wfp_impl_client_protocol_cleanup(
struct wfp_client_protocol * protocol)
{
wf_message_queue_cleanup(&protocol->queue);
}
struct wfp_client_protocol * wfp_impl_client_protocol_create(
struct wfp_provider const * provider,
void * user_data)
{
struct wfp_client_protocol * protocol = malloc(sizeof(struct wfp_client_protocol));
if (NULL != protocol)
{
wfp_impl_client_protocol_init(protocol, provider, user_data);
}
return protocol;
}
void wfp_impl_client_protocol_dispose(
struct wfp_client_protocol * protocol)
{
wfp_impl_client_protocol_cleanup(protocol);
free(protocol);
}
void wfp_impl_client_protocol_init_lws(
struct wfp_client_protocol * protocol,
struct lws_protocols * lws_protocol)
{
lws_protocol->callback = &wfp_impl_client_protocol_callback;
lws_protocol->per_session_data_size = 0;
lws_protocol->user = protocol;
}

49
lib/webfuse/provider/impl/client_protocol.h Normal file
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#ifndef WF_PROVIDER_IMPL_CLIENT_PROTOCOL_H
#define WF_PROVIDER_IMPL_CLIENT_PROTOCOL_H
#include "webfuse/provider/impl/provider.h"
#include "webfuse/provider/impl/request.h"
#include "webfuse/core/message_queue.h"
#ifdef __cplusplus
extern "C"
{
#endif
struct wfp_provider;
struct lws_protocols;
struct wfp_client_protocol
{
struct wfp_request request;
struct wfp_provider provider;
void * user_data;
struct lws * wsi;
struct wf_message_queue queue;
};
extern void wfp_impl_client_protocol_init(
struct wfp_client_protocol * protocol,
struct wfp_provider const * provider,
void * user_data);
extern void wfp_impl_client_protocol_cleanup(
struct wfp_client_protocol * protocol);
extern struct wfp_client_protocol * wfp_impl_client_protocol_create(
struct wfp_provider const * provider,
void * user_data);
extern void wfp_impl_client_protocol_dispose(
struct wfp_client_protocol * protocol);
extern void wfp_impl_client_protocol_init_lws(
struct wfp_client_protocol * protocol,
struct lws_protocols * lws_protocol);
#ifdef __cplusplus
}
#endif
#endif

45
lib/webfuse/provider/impl/dirbuffer.c Normal file
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#include "webfuse/provider/impl/dirbuffer.h"
#include <stdlib.h>
struct wfp_dirbuffer * wfp_impl_dirbuffer_create(void)
{
struct wfp_dirbuffer * buffer = malloc(sizeof(struct wfp_dirbuffer));
if (NULL != buffer)
{
buffer->entries = json_array();
}
return buffer;
}
void wfp_impl_dirbuffer_dispose(
struct wfp_dirbuffer * buffer)
{
if (NULL != buffer->entries)
{
json_decref(buffer->entries);
}
free(buffer);
}
void wfp_impl_dirbuffer_add(
struct wfp_dirbuffer * buffer,
char const * name,
ino_t inode)
{
json_t * entry = json_object();
json_object_set_new(entry, "name", json_string(name));
json_object_set_new(entry, "inode", json_integer(inode));
json_array_append_new(buffer->entries, entry);
}
json_t * wfp_impl_dirbuffer_take(
struct wfp_dirbuffer * buffer)
{
json_t * entries = buffer->entries;
buffer->entries = NULL;
return entries;
}

37
lib/webfuse/provider/impl/dirbuffer.h Normal file
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#ifndef WF_PROVIDER_IMPL_DIRBUFFER_H
#define WF_PROVIDER_IMPL_DIRBUFFER_H
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <jansson.h>
#ifdef __cplusplus
extern "C"
{
#endif
struct wfp_dirbuffer
{
json_t * entries;
};
extern struct wfp_dirbuffer * wfp_impl_dirbuffer_create(void);
extern void wfp_impl_dirbuffer_dispose(
struct wfp_dirbuffer * buffer);
extern void wfp_impl_dirbuffer_add(
struct wfp_dirbuffer * buffer,
char const * name,
ino_t inode);
extern json_t * wfp_impl_dirbuffer_take(
struct wfp_dirbuffer * buffer);
#ifdef __cplusplus
}
#endif
#endif

38
lib/webfuse/provider/impl/operation/close.c Normal file
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#include "webfuse/provider/impl/operation/close.h"
#include <limits.h>
#include "webfuse/core/util.h"
void wfp_impl_close(
struct wfp_impl_invokation_context * context,
json_t * params,
int WF_UNUSED_PARAM(id))
{
size_t const param_count = json_array_size(params);
if (3 == param_count)
{
json_t * inode_holder = json_array_get(params, 0);
json_t * handle_holder = json_array_get(params, 1);
json_t * flags_holder = json_array_get(params, 2);
if (json_is_integer(inode_holder) &&
json_is_integer(handle_holder) &&
json_is_integer(flags_holder))
{
ino_t inode = (ino_t) json_integer_value(inode_holder);
uint32_t handle = (uint32_t) (json_integer_value(handle_holder) & UINT32_MAX);
int flags = json_integer_value(flags_holder);
context->provider->close(inode, handle, flags, context->user_data);
}
}
}
void wfp_impl_close_default(
ino_t WF_UNUSED_PARAM(inode),
uint32_t WF_UNUSED_PARAM(handle),
int WF_UNUSED_PARAM(flags),
void * WF_UNUSED_PARAM(user_data))
{
// empty
}

26
lib/webfuse/provider/impl/operation/close.h Normal file
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#ifndef WF_PROVIDER_IMPL_OPERATION_CLOSE_H
#define WF_PROVIDER_IMPL_OPERATION_CLOSE_H
#include "webfuse/provider/impl/provider.h"
#ifdef __cplusplus
extern "C"
{
#endif
extern void wfp_impl_close(
struct wfp_impl_invokation_context * context,
json_t * params,
int id);
extern void wfp_impl_close_default(
ino_t inode,
uint32_t handle,
int flags,
void * user_data);
#ifdef __cplusplus
}
#endif
#endif

22
lib/webfuse/provider/impl/operation/error.h Normal file
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#ifndef WFP_OPERATION_IMPL_ERROR_H
#define WFP_OPERATION_IMPL_ERROR_H
#include "webfuse/provider/api.h"
#include "webfuse/core/status.h"
#ifdef __cplusplus
extern "C"
{
#endif
struct wfp_request;
extern WFP_API void wfp_impl_respond_error(
struct wfp_request * request,
wf_status status);
#ifdef __cplusplus
}
#endif
#endif

64
lib/webfuse/provider/impl/operation/getattr.c Normal file
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#include "webfuse/provider/impl/operation/getattr.h"
#include <stdbool.h>
#include "webfuse/provider/impl/operation/error.h"
#include "webfuse/provider/impl/request.h"
#include "webfuse/core/util.h"
void wfp_impl_getattr(
struct wfp_impl_invokation_context * context,
json_t * params,
int id)
{
size_t const count = json_array_size(params);
if (1 == count)
{
json_t * inode_holder = json_array_get(params, 0);
if (json_is_integer(inode_holder))
{
ino_t inode = (ino_t) json_integer_value(inode_holder);
struct wfp_request * request = wfp_impl_request_create(context->request, id);
context->provider->getattr(request, inode, context->user_data);
}
}
}
void wfp_impl_getattr_default(
struct wfp_request * request,
ino_t WF_UNUSED_PARAM(inode),
void * WF_UNUSED_PARAM(user_data))
{
wfp_impl_respond_error(request, WF_BAD_NOENTRY);
}
void wfp_impl_respond_getattr(
struct wfp_request * request,
struct stat const * stat)
{
bool const is_file = (0 != (stat->st_mode & S_IFREG));
bool const is_dir = (0 != (stat->st_mode & S_IFDIR));
json_t * result = json_object();
json_object_set_new(result, "inode", json_integer(stat->st_ino));
json_object_set_new(result, "mode", json_integer(stat->st_mode & 0777));
json_object_set_new(result, "atime", json_integer(stat->st_atime));
json_object_set_new(result, "mtime", json_integer(stat->st_mtime));
json_object_set_new(result, "ctime", json_integer(stat->st_ctime));
if (is_file)
{
json_object_set_new(result, "type", json_string("file"));
json_object_set_new(result, "size", json_integer(stat->st_size));
}
if (is_dir)
{
json_object_set_new(result, "type", json_string("dir"));
}
wfp_impl_respond(request, result);
}

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lib/webfuse/provider/impl/operation/getattr.h Normal file
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#ifndef WF_PROVIDER_IMPL_OPERATION_GETATTR_H
#define WF_PROVIDER_IMPL_OPERATION_GETATTR_H
#include "webfuse/provider/impl/provider.h"
#ifdef __cplusplus
extern "C"
{
#endif
extern void wfp_impl_respond_getattr(
struct wfp_request * request,
struct stat const * stat);
extern void wfp_impl_getattr(
struct wfp_impl_invokation_context * context,
json_t * params,
int id);
extern void wfp_impl_getattr_default(
struct wfp_request * request,
ino_t inode,
void * user_data);
#ifdef __cplusplus
}
#endif
#endif

68
lib/webfuse/provider/impl/operation/lookup.c Normal file
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#include "webfuse/provider/impl/operation/lookup.h"
#include <stdbool.h>
#include "webfuse/provider/impl/operation/error.h"
#include "webfuse/provider/impl/request.h"
#include "webfuse/core/util.h"
void wfp_impl_lookup(
struct wfp_impl_invokation_context * context,
json_t * params,
int id)
{
size_t const count = json_array_size(params);
if (2 == count)
{
json_t * inode_holder = json_array_get(params, 0);
json_t * name_holder = json_array_get(params, 1);
if (json_is_integer(inode_holder) &&
json_is_string(name_holder))
{
ino_t inode = json_integer_value(inode_holder);
char const * name = json_string_value(name_holder);
struct wfp_request * request = wfp_impl_request_create(context->request, id);
context->provider->lookup(request, inode, name, context->user_data);
}
}
}
void wfp_impl_respond_lookup(
struct wfp_request * request,
struct stat const * stat)
{
bool const is_file = (0 != (stat->st_mode & S_IFREG));
bool const is_dir = (0 != (stat->st_mode & S_IFDIR));
json_t * result = json_object();
json_object_set_new(result, "inode", json_integer(stat->st_ino));
json_object_set_new(result, "mode", json_integer(stat->st_mode & 0777));
json_object_set_new(result, "atime", json_integer(stat->st_atime));
json_object_set_new(result, "mtime", json_integer(stat->st_mtime));
json_object_set_new(result, "ctime", json_integer(stat->st_ctime));
if (is_file)
{
json_object_set_new(result, "type", json_string("file"));
json_object_set_new(result, "size", json_integer(stat->st_size));
}
if (is_dir)
{
json_object_set_new(result, "type", json_string("dir"));
}
wfp_impl_respond(request, result);
}
void wfp_impl_lookup_default(
struct wfp_request * request,
ino_t WF_UNUSED_PARAM(parent),
char const * WF_UNUSED_PARAM(name),
void * WF_UNUSED_PARAM(user_data))
{
wfp_impl_respond_error(request, WF_BAD_NOENTRY);
}

30
lib/webfuse/provider/impl/operation/lookup.h Normal file
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#ifndef WF_PROVIDER_IMPL_OPERATION_LOOKUP_H
#define WF_PROVIDER_IMPL_OPERATION_LOOKUP_H
#include "webfuse/provider/impl/provider.h"
#ifdef __cplusplus
extern "C"
{
#endif
extern void wfp_impl_respond_lookup(
struct wfp_request * request,
struct stat const * stat);
extern void wfp_impl_lookup(
struct wfp_impl_invokation_context * context,
json_t * params,
int id);
extern void wfp_impl_lookup_default(
struct wfp_request * request,
ino_t parent,
char const * name,
void * user_data);
#ifdef __cplusplus
}
#endif
#endif

47
lib/webfuse/provider/impl/operation/open.c Normal file
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#include "webfuse/provider/impl/operation/open.h"
#include "webfuse/provider/impl/operation/error.h"
#include "webfuse/provider/impl/request.h"
#include "webfuse/core/util.h"
void wfp_impl_open(
struct wfp_impl_invokation_context * context,
json_t * params,
int id)
{
size_t const count = json_array_size(params);
if (2 == count)
{
json_t * inode_holder = json_array_get(params, 0);
json_t * flags_holder = json_array_get(params, 1);
if (json_is_integer(inode_holder) &&
json_is_integer(flags_holder))
{
ino_t inode = (ino_t) json_integer_value(inode_holder);
int flags = (ino_t) json_integer_value(flags_holder);
struct wfp_request * request = wfp_impl_request_create(context->request, id);
context->provider->open(request, inode, flags, context->user_data); /* Flawfinder: ignore */
}
}
}
void wfp_impl_open_default(
struct wfp_request * request,
ino_t WF_UNUSED_PARAM(inode),
int WF_UNUSED_PARAM(flags),
void * WF_UNUSED_PARAM(user_data))
{
wfp_impl_respond_error(request, WF_BAD_NOENTRY);
}
void wfp_impl_respond_open(
struct wfp_request * request,
uint32_t handle)
{
json_t * result = json_object();
json_object_set_new(result, "handle", json_integer((int) handle));
wfp_impl_respond(request, result);
}

30
lib/webfuse/provider/impl/operation/open.h Normal file
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#ifndef WF_PROVIDER_IMPL_OPERATION_OPEN_H
#define WF_PROVIDER_IMPL_OPERATION_OPEN_H
#include "webfuse/provider/impl/provider.h"
#ifdef __cplusplus
extern "C"
{
#endif
extern void wfp_impl_respond_open(
struct wfp_request * request,
uint32_t handle);
extern void wfp_impl_open(
struct wfp_impl_invokation_context * context,
json_t * params,
int id);
extern void wfp_impl_open_default(
struct wfp_request * request,
ino_t inode,
int flags,
void * user_data);
#ifdef __cplusplus
}
#endif
#endif

85
lib/webfuse/provider/impl/operation/read.c Normal file
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#include "webfuse/provider/impl/operation/read.h"
#include <stdlib.h>
#include <libwebsockets.h>
#include "webfuse/provider/impl/operation/error.h"
#include "webfuse/provider/impl/request.h"
#include "webfuse/core/util.h"
void wfp_impl_read(
struct wfp_impl_invokation_context * context,
json_t * params,
int id)
{
size_t const count = json_array_size(params);
if (4 == count)
{
json_t * inode_holder = json_array_get(params, 0);
json_t * handle_holder = json_array_get(params, 1);
json_t * offset_holder = json_array_get(params, 2);
json_t * length_holder = json_array_get(params, 3);
if (json_is_integer(inode_holder) &&
json_is_integer(handle_holder) &&
json_is_integer(offset_holder) &&
json_is_integer(length_holder))
{
ino_t inode = (ino_t) json_integer_value(inode_holder);
int handle = json_integer_value(handle_holder);
size_t offset = json_integer_value(offset_holder);
size_t length = json_integer_value(length_holder);
struct wfp_request * request = wfp_impl_request_create(context->request, id);
context->provider->read(request, inode, handle, offset, length, context->user_data); /* Flawfinder: ignore */
}
}
}
void wfp_impl_read_default(
struct wfp_request * request,
ino_t WF_UNUSED_PARAM(inode),
uint32_t WF_UNUSED_PARAM(handle),
size_t WF_UNUSED_PARAM(offset),
size_t WF_UNUSED_PARAM(length),
void * WF_UNUSED_PARAM(user_data))
{
wfp_impl_respond_error(request, WF_BAD_NOENTRY);
}
void wfp_impl_respond_read(
struct wfp_request * request,
char const * data,
size_t length)
{
if (0 < length)
{
size_t const size = 4 * ((length / 3) + 2);
char * buffer = malloc(size);
if (NULL != buffer)
{
lws_b64_encode_string(data, length, buffer, size);
json_t * result = json_object();
json_object_set_new(result, "data", json_string(buffer));
json_object_set_new(result, "format", json_string("base64"));
json_object_set_new(result, "count", json_integer((int) length));
wfp_impl_respond(request, result);
free(buffer);
}
else
{
wfp_impl_respond_error(request, WF_BAD);
}
}
else
{
json_t * result = json_object();
json_object_set_new(result, "data", json_string(""));
json_object_set_new(result, "format", json_string("identitiy"));
json_object_set_new(result, "count", json_integer(0));
wfp_impl_respond(request, result);
}
}

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#ifndef WF_PROVIDER_IMPL_OPERATION_READ_H
#define WF_PROVIDER_IMPL_OPERATION_READ_H
#include "webfuse/provider/impl/provider.h"
#ifdef __cplusplus
extern "C"
{
#endif
extern void wfp_impl_respond_read(
struct wfp_request * request,
char const * data,
size_t length);
extern void wfp_impl_read(
struct wfp_impl_invokation_context * context,
json_t * params,
int id);
extern void wfp_impl_read_default(
struct wfp_request * request,
ino_t inode,
uint32_t handle,
size_t offset,
size_t length,
void * user_data);
#ifdef __cplusplus
}
#endif
#endif

42
lib/webfuse/provider/impl/operation/readdir.c Normal file
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#include "webfuse/provider/impl/operation/readdir.h"
#include "webfuse/provider/impl/operation/error.h"
#include "webfuse/provider/impl/dirbuffer.h"
#include "webfuse/provider/impl/request.h"
#include "webfuse/core/util.h"
void wfp_impl_readdir(
struct wfp_impl_invokation_context * context,
json_t * params,
int id)
{
size_t const count = json_array_size(params);
if (1 == count)
{
json_t * inode_holder = json_array_get(params, 0);
if ((NULL != inode_holder) && (json_is_integer(inode_holder)))
{
ino_t inode = (ino_t) json_integer_value(inode_holder);
struct wfp_request * request = wfp_impl_request_create(context->request, id);
context->provider->readdir(request, inode, context->user_data);
}
}
}
void wfp_impl_readdir_default(
struct wfp_request * request,
ino_t WF_UNUSED_PARAM(directory),
void * WF_UNUSED_PARAM(user_data))
{
wfp_impl_respond_error(request, WF_BAD_NOENTRY);
}
void wfp_impl_respond_readdir(
struct wfp_request * request,
struct wfp_dirbuffer * dirbuffer)
{
json_t * result = wfp_impl_dirbuffer_take(dirbuffer);
wfp_impl_respond(request, result);
}

29
lib/webfuse/provider/impl/operation/readdir.h Normal file
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#ifndef WF_PROVIDER_IMPL_OPERATION_READDIR_H
#define WF_PROVIDER_IMPL_OPERATION_READDIR_H
#include "webfuse/provider/impl/provider.h"
#ifdef __cplusplus
extern "C"
{
#endif
extern void wfp_impl_respond_readdir(
struct wfp_request * request,
struct wfp_dirbuffer * dirbuffer);
extern void wfp_impl_readdir(
struct wfp_impl_invokation_context * context,
json_t * params,
int id);
extern void wfp_impl_readdir_default(
struct wfp_request * request,
ino_t directory,
void * user_data);
#ifdef __cplusplus
}
#endif
#endif

127
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#include "webfuse/provider/impl/provider.h"
#include <stdbool.h>
#include <string.h>
#include "webfuse/provider/impl/request.h"
#include "webfuse/provider/impl/operation/lookup.h"
#include "webfuse/provider/impl/operation/getattr.h"
#include "webfuse/provider/impl/operation/readdir.h"
#include "webfuse/provider/impl/operation/open.h"
#include "webfuse/provider/impl/operation/close.h"
#include "webfuse/provider/impl/operation/read.h"
typedef void wfp_impl_invoke_fn(
struct wfp_impl_invokation_context * context,
json_t * params,
int id);
struct wfp_impl_method
{
char const * name;
wfp_impl_invoke_fn * invoke;
bool is_notification;
};
static void wfp_impl_provider_invoke_method(
struct wfp_impl_invokation_context * context,
char const * method_name,
json_t * params,
int id)
{
static struct wfp_impl_method const methods[] =
{
{"lookup", &wfp_impl_lookup, false},
{"getattr", &wfp_impl_getattr, false},
{"readdir", &wfp_impl_readdir, false},
{"open", &wfp_impl_open, false},
{"close", &wfp_impl_close, true},
{"read", &wfp_impl_read, false}
};
static size_t const count = sizeof(methods) / sizeof(methods[0]);
for (size_t i = 0; i < count; i++)
{
struct wfp_impl_method const * method = &methods[i];
if (0 == strcmp(method_name, method->name))
{
if ((0 < id) || (method->is_notification))
{
method->invoke(context, params, id);
}
break;
}
}
}
void wfp_impl_provider_init(
struct wfp_provider * provider)
{
provider->lookup = &wfp_impl_lookup_default;
provider->getattr = &wfp_impl_getattr_default;
provider->readdir = &wfp_impl_readdir_default;
provider->open = &wfp_impl_open_default;
provider->close = &wfp_impl_close_default;
provider->read = &wfp_impl_read_default;
provider->connected = &wfp_impl_connected_default;
provider->disconnected = &wfp_impl_disconnected_default;
provider->ontimer = &wfp_impl_ontimer_default;
}
void wfp_impl_provider_init_from_prototype(
struct wfp_provider * provider,
struct wfp_provider const * prototype)
{
provider->lookup = prototype->lookup;
provider->getattr = prototype->getattr;
provider->readdir = prototype->readdir;
provider->open = prototype->open;
provider->close = prototype->close;
provider->read = prototype->read;
provider->connected = prototype->connected;
provider->disconnected = prototype->disconnected;
provider->ontimer = prototype->ontimer;
}
void wfp_impl_provider_invoke(
struct wfp_impl_invokation_context * context,
json_t * request)
{
json_t * method_holder = json_object_get(request, "method");
json_t * params = json_object_get(request, "params");
json_t * id_holder = json_object_get(request, "id");
if ((NULL != method_holder) && (json_is_string(method_holder)) &&
(NULL != params) && (json_is_array(params)))
{
char const * method = json_string_value(method_holder);
int id = json_is_integer(id_holder) ? json_integer_value(id_holder) : 0;
wfp_impl_provider_invoke_method(context, method, params, id);
}
}
void wfp_impl_connected_default(
void * user_data)
{
(void) user_data;
// empty
}
void wfp_impl_disconnected_default(
void * user_data)
{
(void) user_data;
// empty
}
void wfp_impl_ontimer_default(
void * user_data)
{
(void) user_data;
// empty
}

57
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#ifndef WF_PROVIDER_IMPL_PROVIDER_H
#define WF_PROVIDER_IMPL_PROVIDER_H
#include <jansson.h>
#include "webfuse/provider/client_config.h"
#ifdef __cplusplus
extern "C"
{
#endif
struct wfp_provider
{
wfp_connected_fn * connected;
wfp_disconnected_fn * disconnected;
wfp_ontimer_fn * ontimer;
wfp_lookup_fn * lookup;
wfp_getattr_fn * getattr;
wfp_readdir_fn * readdir;
wfp_open_fn * open;
wfp_close_fn * close;
wfp_read_fn * read;
};
struct wfp_impl_invokation_context
{
struct wfp_provider * provider;
void * user_data;
struct wfp_request * request;
};
extern void wfp_impl_provider_init(
struct wfp_provider * provider);
extern void wfp_impl_provider_init_from_prototype(
struct wfp_provider * provider,
struct wfp_provider const * prototype);
extern void wfp_impl_provider_invoke(
struct wfp_impl_invokation_context * context,
json_t * request);
extern void wfp_impl_connected_default(
void * user_data);
extern void wfp_impl_disconnected_default(
void * user_data);
extern void wfp_impl_ontimer_default(
void * user_data);
#ifdef __cplusplus
}
#endif
#endif

55
lib/webfuse/provider/impl/request.c Normal file
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#include "webfuse/provider/impl/request.h"
#include <stdlib.h>
#include "webfuse/provider/impl/operation/error.h"
struct wfp_request * wfp_impl_request_create(
struct wfp_request * prototype,
int id)
{
struct wfp_request * request = malloc(sizeof(struct wfp_request));
if (NULL != request)
{
request->respond = prototype->respond;
request->user_data = prototype->user_data;
request->id = id;
}
return request;
}
void wfp_impl_request_dispose(
struct wfp_request * request)
{
free(request);
}
extern void wfp_impl_respond(
struct wfp_request * request,
json_t * result)
{
json_t * response = json_object();
json_object_set_new(response, "result", result);
json_object_set_new(response, "id", json_integer(request->id));
request->respond(response, request->user_data);
json_decref(response);
wfp_impl_request_dispose(request);
}
void wfp_impl_respond_error(
struct wfp_request * request,
wf_status status)
{
json_t * response = json_object();
json_t * error = json_object();
json_object_set_new(error, "code", json_integer(status));
json_object_set_new(response, "error", error);
json_object_set_new(response, "id", json_integer(request->id));
request->respond(response, request->user_data);
json_decref(response);
wfp_impl_request_dispose(request);
}

43
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#ifndef WF_PROVIDER_IMPL_REQUEST_H
#define WF_PROVIDER_IMPL_REQUEST_H
#include <jansson.h>
#include "webfuse/provider/impl/provider.h"
#include "webfuse/core/status.h"
#ifdef __cplusplus
extern "C"
{
#endif
typedef void wfp_impl_request_respond_fn(
json_t * response,
void * user_data);
struct wfp_request
{
wfp_impl_request_respond_fn * respond;
void * user_data;
int id;
};
extern void wfp_impl_respond_error(
struct wfp_request * request,
wf_status status);
extern struct wfp_request * wfp_impl_request_create(
struct wfp_request * prototype,
int id);
extern void wfp_impl_request_dispose(
struct wfp_request * request);
extern void wfp_impl_respond(
struct wfp_request * request,
json_t * result);
#ifdef __cplusplus
}
#endif
#endif

125
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#include "webfuse/provider/impl/url.h"
#include <stdlib.h>
#include <string.h>
struct wfp_impl_url_protocol
{
char const * name;
size_t name_length;
int default_port;
bool use_tls;
};
static bool wfp_impl_url_readprotocol(
struct wfp_impl_url * url,
char const * * data)
{
static struct wfp_impl_url_protocol const known_protocols[] =
{
{"ws://", 5, 80, false},
{"wss://", 6, 443, true}
};
static size_t const count = (sizeof(known_protocols) / sizeof(known_protocols[0]));
bool found = false;
for(size_t i = 0; (!found) && (i < count); i++)
{
struct wfp_impl_url_protocol const * protocol = &known_protocols[i];
if (0 == strncmp(*data, protocol->name, protocol->name_length))
{
url->port = protocol->default_port;
url->use_tls = protocol->use_tls;
*data = *data + protocol->name_length;
found = true;
}
}
return found;
}
static bool wfp_impl_url_readhost(
struct wfp_impl_url * url,
char const * * data)
{
char * end = strpbrk(*data, ":/");
bool const result = (NULL != end);
if (result)
{
size_t length = end - *data;
url->host = strndup(*data, length);
*data = end;
}
return result;
}
static bool wfp_impl_url_readport(
struct wfp_impl_url * url,
char const * * data)
{
bool result;
if (':' == **data)
{
*data = *data + 1;
char * end = strchr(*data, '/');
result = (NULL != end);
if (result)
{
url->port = atoi(*data);
*data = end;
}
}
else
{
result = ('/' == **data);
}
return result;
}
static bool wfp_impl_url_readpath(
struct wfp_impl_url * url,
char const * * data)
{
bool const result = ('/' == **data);
url->path = strdup(*data);
*data = NULL;
return result;
}
bool wfp_impl_url_init(
struct wfp_impl_url * url,
char const * value)
{
memset(url, 0, sizeof(struct wfp_impl_url));
char const * data = value;
bool const result =
wfp_impl_url_readprotocol(url, &data) &&
wfp_impl_url_readhost(url, &data) &&
wfp_impl_url_readport(url, &data) &&
wfp_impl_url_readpath(url, &data)
;
if (!result)
{
wfp_impl_url_cleanup(url);
}
return result;
}
void wfp_impl_url_cleanup(
struct wfp_impl_url * url)
{
free(url->host);
free(url->path);
memset(url, 0, sizeof(struct wfp_impl_url));
}

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#ifndef WF_PROVIDER_IMPL_URL_H
#define WF_PROVIDER_IMPL_URL_H
#ifndef __cplusplus
#include <stdbool.h>
#endif
#ifdef __cplusplus
extern "C"
{
#endif
struct wfp_impl_url
{
char * host;
int port;
char * path;
bool use_tls;
};
extern bool wfp_impl_url_init(
struct wfp_impl_url * url,
char const * value);
extern void wfp_impl_url_cleanup(
struct wfp_impl_url * url);
#ifdef __cplusplus
}
#endif
#endif