removed unrelated files

Change-Id: Ie034281d2933cb7de0cf8cf6a2175376847acd9c
Signed-off-by: Loïc Collignon <loic.collignon@iot.bzh>

1 files changed, 0 insertions, 381 deletions

diff --git a/ll-auth-binding/src/ll-auth-binding.c b/ll-auth-binding/src/ll-auth-binding.c
deleted file mode 100644
index da01169..0000000
--- a/ll-auth-binding/src/ll-auth-binding.c
+++ /dev/null
@@ -1,381 +0,0 @@
-#define _GNU_SOURCE
-#include <stdio.h>
-#include <string.h>
-#include <json-c/json.h>
-#include <security/pam_appl.h>
-#include <security/pam_misc.h>
-#include <libudev.h>
-#include <pthread.h>
-#include <poll.h>
-
-#define AFB_BINDING_VERSION 2
-#include <afb/afb-binding.h>
-
-// Defines
-#define PAM_RULE													"agl"
-#define UDEV_MONITOR_POLLING_TIMEOUT								5000
-
-#define UDEV_ACTION_UNSUPPORTED										0
-#define UDEV_ACTION_ADD												1
-#define UDEV_ACTION_REMOVE											2
-
-#define LOGIN_SUCCESS												0
-#define LOGIN_ERROR_USER_LOGGED										1
-#define LOGIN_ERROR_PAM_START										2
-#define LOGIN_ERROR_PAM_PUTENV										3
-#define LOGIN_ERROR_PAM_AUTHENTICATE								4
-#define LOGIN_ERROR_PAM_ACCT_MGMT									5
-#define LOGIN_ERROR_PAM_NO_USER										6
-#define LOGIN_ERROR_PAM_END											7
-
-// Globals
-static const char* error_messages[] =
-{
-	"",
-	"The current user must be logged out first!",
-	"PAM start failed!",
-	"PAM putenv failed!",
-	"PAM authenticate failed!",
-	"PAM acct_mgmt failed!",
-	"No user provided by the PAM module!",
-	"PAM end failed!"
-};
-
-static char*					current_device						= NULL;
-static char*					current_user						= NULL;
-static struct pam_conv			conv								= { misc_conv, NULL };
-static struct udev*				udev_context						= NULL;
-static struct udev_monitor*		udev_mon							= NULL;
-static pthread_t				udev_monitoring_thread_handle;
-static struct afb_event			evt_login, evt_logout, evt_failed;
-
-/**
- * @brief Free the memory associated to the specified string and nullify the pointer.
- * @param[in] string A pointer to the string.
- */
-static inline void free_string(char** string)
-{
-	if (string)
-	{
-		if (*string) free(*string);
-		*string = NULL;
-	}
-}
-
-/**
- * @brief Free the memory associated to the specified UDev's context and nullify the pointer.
- * @param[in] ctx UDev's context.
- */
-static inline void free_udev_context(struct udev** ctx)
-{
-	if (ctx)
-	{
-		if (*ctx) udev_unref(*ctx);
-		*ctx = NULL;
-	}
-}
-
-/**
- * @brief Free the memory associated to the specified UDev's monitor and nullify the pointer.
- * @param[in] mon UDev's monitor.
- */
-static inline void free_udev_monitor(struct udev_monitor** mon)
-{
-	if (mon)
-	{
-		if (*mon) udev_monitor_unref(*mon);
-		*mon = NULL;
-	}
-}
-
-/**
- * @brief Print UDev infos for the specified device.
- * @param[in] dev The device.
- */
-static inline void print_udev_device_info(struct udev_device* dev)
-{
-	AFB_INFO("    Action: %s", udev_device_get_action(dev));
-	AFB_INFO("    Node: %s", udev_device_get_devnode(dev));
-	AFB_INFO("    Subsystem: %s", udev_device_get_subsystem(dev));
-	AFB_INFO("    Devtype: %s", udev_device_get_devtype(dev));
-	AFB_INFO("    DevNum: %lu", udev_device_get_devnum(dev));
-	AFB_INFO("    DevPath: %s", udev_device_get_devpath(dev));
-	AFB_INFO("    Driver: %s", udev_device_get_driver(dev));
-	AFB_INFO("    SeqNum: %llu", udev_device_get_seqnum(dev));
-	AFB_INFO("    SysName: %s", udev_device_get_sysname(dev));
-	AFB_INFO("    SysNum: %s", udev_device_get_sysnum(dev));
-	AFB_INFO("    SysPath: %s", udev_device_get_syspath(dev));
-}
-
-/**
- * @brief Get the UDev's action as an int to allow switch condition.
- * @param[in] dev The device.
- */
-static inline int udev_device_get_action_int(struct udev_device* dev)
-{
-	const char* action = udev_device_get_action(dev);
-	return
-		strcmp(action, "add")
-		? (strcmp(action, "remove") ? UDEV_ACTION_UNSUPPORTED : UDEV_ACTION_REMOVE)
-		: UDEV_ACTION_ADD;
-}
-
-/**
- * @brief PAM authentication process.
- * @param[in] pamh The handle to the PAM context.
- * @param[in] device The device to login.
- */
-static int pam_process(pam_handle_t* pamh, const char* device)
-{
-	int r;
-	
-	if (!pamh) return LOGIN_ERROR_PAM_START;
-	
-	char pam_variable[4096] = "DEVICE=";
-	strcat(pam_variable, device);
-	
-	if ((r = pam_putenv(pamh, pam_variable)) != PAM_SUCCESS)
-		return LOGIN_ERROR_PAM_PUTENV;
-
-	if ((r = pam_authenticate(pamh, 0)) != PAM_SUCCESS)
-		return LOGIN_ERROR_PAM_AUTHENTICATE;
-
-	if ((r = pam_acct_mgmt(pamh, 0)) != PAM_SUCCESS)
-			return LOGIN_ERROR_PAM_ACCT_MGMT;
-
-	const char* pam_user;
-	pam_get_item(pamh, PAM_USER, (const void**)&pam_user);
-	if (!pam_user)
-		return LOGIN_ERROR_PAM_NO_USER;
-
-	current_device = strdup(device);
-	current_user = strdup(pam_user);
-	
-	return LOGIN_SUCCESS;
-}
-
-/**
- * @brief Login using PAM.
- * @param[in] device The device to use.
- * @return Exit code, @c LOGIN_SUCCESS on success.
- */
-static int login_pam(const char* device)
-{
-	int r;
-	pam_handle_t* pamh;
-	
-	if (current_user)
-		return LOGIN_ERROR_USER_LOGGED;
-
-	if ((r = pam_start("agl", NULL, &conv, &pamh)) != PAM_SUCCESS)
-		return LOGIN_ERROR_PAM_START;
-
-	r = pam_process(pamh, device);
-	if (r != LOGIN_SUCCESS)
-	{
-		pam_end(pamh, r);
-		return r;
-	}
-
-	if ((r = pam_end(pamh, r)) != PAM_SUCCESS)
-		return LOGIN_ERROR_PAM_END;
-	
-	return LOGIN_SUCCESS;
-}
-
-/**
- * @brief Try to login a user using a device.
- * @param[in] device The device to use.
- * @return Exit code, @c LOGIN_SUCCESS if success.
- */
-static int login(const char* device)
-{
-	int ret;
-	struct json_object* result;
-	
-	result = json_object_new_object();
-	
-	ret = login_pam(device);
-	switch(ret)
-	{
-		case LOGIN_SUCCESS:
-			json_object_object_add(result, "device", json_object_new_string(current_device));
-			json_object_object_add(result, "user", json_object_new_string(current_user));
-			afb_event_broadcast(evt_login, result);
-			break;
-		default:
-			json_object_object_add(result, "message", json_object_new_string(error_messages[ret]));
-			afb_event_broadcast(evt_failed, result);
-	}
-	
-	json_object_put(result);
-	return ret;
-}
-
-/// @brief Try to logout a user using a device.
-/// @param[in] device The device to logout.
-static void logout(const char* device)
-{
-	struct json_object* result;
-	
-	result = json_object_new_object();
-	
-	if (current_device && !strcmp(device, current_device))
-	{
-		json_object_object_add(result, "device", json_object_new_string(current_device));
-		json_object_object_add(result, "user", json_object_new_string(current_user));
-		AFB_INFO("[logout] device: %s", device);
-		afb_event_broadcast(evt_logout, NULL);
-		
-		free_string(&current_device);
-		free_string(&current_user);
-	}
-	else
-	{
-		json_object_object_add(result, "message", json_object_new_string("The unplugged device wasn't the user key!"));
-		AFB_INFO("The unplugged device wasn't the user key!");
-		afb_event_broadcast(evt_failed, result);
-	}
-	json_object_put(result);
-}
-
-/**
- * @brief UDev's monitoring thread.
- */
-void* udev_monitoring_thread(void* arg)
-{
-	struct udev_device* dev;
-	struct pollfd pfd;
-	int action;
-	
-	pfd.fd = udev_monitor_get_fd(udev_mon);
-	pfd.events = POLLIN;
-	
-	while(1)
-	{
-		if (poll(&pfd, 1, UDEV_MONITOR_POLLING_TIMEOUT))
-		{
-			dev = udev_monitor_receive_device(udev_mon);
-			if (dev)
-			{
-				if (!strcmp(udev_device_get_devtype(dev), "disk"))
-				{
-					action = udev_device_get_action_int(dev);
-					switch(action)
-					{
-						case UDEV_ACTION_ADD:
-							AFB_INFO("A device is plugged-in");
-							print_udev_device_info(dev);
-							login(udev_device_get_devnode(dev));
-							break;
-						case UDEV_ACTION_REMOVE:
-							AFB_INFO("A device is plugged-out");
-							print_udev_device_info(dev);
-							logout(udev_device_get_devnode(dev));
-							break;
-						default:
-							AFB_DEBUG("Unsupported udev action");
-							break;
-					}
-				}
-				udev_device_unref(dev);
-			}
-			else
-			{
-				AFB_ERROR("No Device from udev_monitor_receive_device().");
-			}
-		}
-		else
-		{
-			AFB_DEBUG("Udev polling timeout");
-		}
-	}
-	return NULL;
-}
-
-/**
- * @brief API's verb 'getuser'. Try to get user informations.
- * @param[in] req The request object.
- */
-static void verb_getuser(struct afb_req req)
-{
-	if (!current_device || !current_user)
-	{
-		afb_req_fail(req, "there is no logged user!", NULL);
-		return;
-	}
-
-	json_object* result = json_object_new_object();
-	json_object_object_add(result, "user", json_object_new_string(current_user));
-	json_object_object_add(result, "device", json_object_new_string(current_device));
-
-	afb_req_success(req, result, NULL);
-}
-
-/**
- * @brief Do the cleanup when init fails.
- * @param[in] error Error message.
- * @param[in] retcode Error code to return.
- * @return An exit code equals to @c retcode.
- */
-static inline int ll_auth_init_cleanup(const char* error, int retcode)
-{
-	AFB_ERROR("%s", error);
-	free_string(&current_user);
-	free_string(&current_device);
-	
-	free_udev_monitor(&udev_mon);
-	free_udev_context(&udev_context);
-	return retcode;
-}
-
-/**
- * @brief Initialize the binding.
- */
-int ll_auth_init()
-{
-	evt_login = afb_daemon_make_event("login");
-	evt_logout = afb_daemon_make_event("logout");
-	evt_failed = afb_daemon_make_event("failed");
-
-	if (!afb_event_is_valid(evt_login) || !afb_event_is_valid(evt_logout) || !afb_event_is_valid(evt_failed))
-		return ll_auth_init_cleanup("Can't create events", -1);
-		
-	udev_context = udev_new();
-	if (!udev_context)
-		return ll_auth_init_cleanup("Can't initialize udev's context", -1);
-	
-	udev_mon = udev_monitor_new_from_netlink(udev_context, "udev");
-	if (!udev_mon)
-		return ll_auth_init_cleanup("Can't initialize udev's monitor", -1);
-	
-	udev_monitor_filter_add_match_subsystem_devtype(udev_mon, "block", NULL);
-	udev_monitor_enable_receiving(udev_mon);
-	
-	if (pthread_create(&udev_monitoring_thread_handle, NULL, udev_monitoring_thread, NULL))
-		return ll_auth_init_cleanup("Can't start the udev's monitoring thread", -1);
-	
-	AFB_INFO("ll-auth-binding is ready");
-	return 0;
-}
-
-static const afb_verb_v2 _ll_auth_binding_verbs[]= {
-	{
-		.verb = "getuser",
-		.callback = verb_getuser,
-		.auth = NULL,
-		.info = NULL,
-		.session = AFB_SESSION_NONE_V2
-	},
-	{ .verb=NULL}
-};
-
-const struct afb_binding_v2 afbBindingV2 = {
-		.api = "ll-auth",
-		.specification = NULL,
-		.verbs = _ll_auth_binding_verbs,
-		.preinit = NULL,
-		.init = ll_auth_init,
-		.onevent = NULL,
-		.noconcurrency = 0
-};