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path: root/vpn/plugins/vici-client.c
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Diffstat (limited to 'vpn/plugins/vici-client.c')
-rw-r--r--vpn/plugins/vici-client.c268
1 files changed, 218 insertions, 50 deletions
diff --git a/vpn/plugins/vici-client.c b/vpn/plugins/vici-client.c
index c1361e4..dc651cf 100644
--- a/vpn/plugins/vici-client.c
+++ b/vpn/plugins/vici-client.c
@@ -68,6 +68,8 @@ static const char *vici_cmd_str[] = {
"unload-authority",
"load-key",
"initiate",
+ "terminate",
+ "child-updown",
NULL,
};
@@ -89,9 +91,13 @@ struct _VICIClient {
/* io data */
int client_sock_fd;
int client_watch;
+ unsigned int rcv_pkt_size;
+ char *rcvbuf;
GSList *request_list;
- vici_connect_reply_cb reply;
- void *ipsec_user_data;
+ vici_request_reply_cb reply_cb;
+ vici_event_cb event_cb;
+ void *reply_user_data;
+ void *event_user_data;
};
struct _VICISection {
@@ -429,7 +435,6 @@ static void destroy_vici_request(gpointer data)
return;
g_free(req->sndbuf);
- g_free(req->rcvbuf);
g_free(req);
}
@@ -627,27 +632,31 @@ static int write_socket(int sock, char *data, int data_len)
int send_vici_command(struct request *req, VICIClient *vici_client)
{
unsigned int size = 0;
+ int sock_fd = 0;
int res = 0;
- if (req == NULL) {
+ if (req == NULL || vici_client == NULL) {
connman_error("request is NULL\n");
return -EINVAL;
}
+ sock_fd = vici_client->client_sock_fd;
size = htonl(req->used);
- res = write_socket(vici_client->client_sock_fd, (char *)&size, sizeof(size));
+ res = write_socket(sock_fd, (char *)&size, sizeof(size));
if (res != 0) {
connman_error("failed to send size with network byte order\n");
return -EIO;
}
- res = write_socket(vici_client->client_sock_fd, req->sndbuf, req->used);
+ res = write_socket(sock_fd, req->sndbuf, req->used);
if (res != 0) {
connman_error("failed to send pkt\n");
return -EIO;
}
- vici_client->request_list = g_slist_append(vici_client->request_list, req);
+ if(req->cmd != VICI_CMD_REGISTER_CHILD_UPDOWN)
+ vici_client->request_list = g_slist_append(vici_client->request_list, req);
+
return res;
}
@@ -838,6 +847,9 @@ static int handle_vici_result(gboolean success, int cmd, char * err)
case VICI_CMD_INITIATE:
ret = ECONNABORTED;
break;
+ case VICI_CMD_TERMINATE:
+ ret = EINVAL;
+ break;
default:
break;
}
@@ -892,6 +904,32 @@ int vici_send_request(VICIClient *vici_client, VICIClientCmd cmd, VICISection *r
return ret;
}
+
+int vici_set_event_cb(VICIClient *vici_client, vici_event_cb cb, gpointer user_data)
+{
+ struct request *req = NULL;
+ int ret;
+
+ DBG("%s",vici_cmd_str[VICI_EVENT_CHILD_UP]);
+ ret = create_vici_request(VICI_EVENT_REGISTER, VICI_CMD_REGISTER_CHILD_UPDOWN, &req);
+ if (ret < 0) {
+ connman_error("error on create_request\n");
+ return ret;
+ }
+
+ ret = send_vici_command(req, vici_client);
+ if (ret < 0) {
+ connman_error("error on send_command\n");
+ }
+
+ destroy_vici_request(req);
+ vici_client->event_cb = cb;
+ vici_client->event_user_data = user_data;
+
+ return ret;
+
+}
+
static int get_socket_from_source(GIOChannel *source, GIOCondition condition)
{
int sock = -1;
@@ -930,31 +968,32 @@ static int read_socket(int sock, char *data, unsigned int data_len)
return total_rbytes;
}
-static int recv_vici_pkt(int sock, struct request *req)
+static int recv_vici_pkt(int sock, struct _VICIClient *vici_client)
{
- if(!req)
+ if(!vici_client)
return -1;
- if (req->rcv_pkt_size == 0) {
+ if (vici_client->rcv_pkt_size == 0) {
unsigned int pkt_size = 0;
if (read_socket(sock, (char *)&pkt_size, sizeof(pkt_size)) < 0)
return -1;
- req->rcv_pkt_size = ntohl(pkt_size);
+ vici_client->rcv_pkt_size = ntohl(pkt_size);
/* TODO :REMOVE THIS AFTER DEBUG */
- DBG("rcv_pkt_size [%d] will be recved\n", req->rcv_pkt_size);
+ DBG("rcv_pkt_size [%d] will be recved\n", vici_client->rcv_pkt_size);
} else {
+ DBG("rcv_pkt_size [%d] is recved\n", vici_client->rcv_pkt_size);
char *buf = NULL;
- buf = g_try_malloc0(req->rcv_pkt_size);
+ buf = g_try_malloc0(vici_client->rcv_pkt_size);
if (buf == NULL)
return -1;
- if (read_socket(sock, buf, req->rcv_pkt_size) < 0) {
+ if (read_socket(sock, buf, vici_client->rcv_pkt_size) < 0) {
g_free(buf);
return -1;
}
- req->rcvbuf = buf;
+ vici_client->rcvbuf = buf;
}
return 0;
@@ -974,14 +1013,138 @@ static struct request *pop_vici_request(VICIClient *vici_client)
return list->data;
}
-static gboolean process_reply(GIOChannel *source,
+static void process_vici_reply(VICIClient *vici_client)
+{
+ struct request *req;
+ int ret = 0;
+
+ if (!vici_client)
+ return;
+
+ /* get first request */
+ req = pop_vici_request(vici_client);
+ if (!req)
+ return;
+
+ req->rcvbuf = vici_client->rcvbuf;
+ req->rcv_pkt_size = vici_client->rcv_pkt_size;
+
+ ret = process_vici_response(req);
+ vici_client->request_list = g_slist_remove(vici_client->request_list, req);
+ destroy_vici_request(req);
+
+ /* TODO :remove this after debug */
+ DBG("left request reply : %d", g_slist_length(vici_client->request_list));
+
+ if (ret != 0 || g_slist_length(vici_client->request_list) == 0)
+ vici_client->reply_cb(ret, vici_client->reply_user_data);
+
+}
+
+static int extract_event_name(char *buf, unsigned int size, char *temp)
+{
+ int pos = 1;
+ int name_len = 0;
+ name_len = buf[pos];
+ pos++;
+ DBG("event len: %d", name_len);
+ while(pos < size && pos - 2 < name_len) {
+ temp[pos - 2] = buf[pos];
+ pos++;
+ }
+ temp[pos] = '\0';
+ DBG("event name: %s", temp);
+ return pos;
+}
+
+static char *vici_get_value(char *buf, unsigned int pos, unsigned int size, char *search_key)
+{
+ int type = -1;
+
+ pos = 1;
+ while (pos < size) {
+
+ type = buf[pos];//3
+ pos++;
+ if (type == VICI_KEY_VALUE) {
+ char *key = NULL;
+ char *value = NULL;
+ pos = extract_key_value(buf, pos, &key, &value);
+ if (g_strcmp0(search_key, key) == 0) {
+ g_free(key);
+ return value;
+ }
+
+ g_free(key);
+ g_free(value);
+ }
+ }
+ return NULL;
+}
+
+static void process_child_updown(VICIClient *vici_client,char *buf, unsigned int size)
+{
+ char *state = NULL;
+
+ state = vici_get_value(buf, 0, size, "state");
+ if (g_strcmp0(state, "ESTABLISHED") == 0) {
+ DBG("ESTABLISHED");
+ vici_client->event_cb(VICI_EVENT_CHILD_UP, vici_client->event_user_data);
+ } else if (g_strcmp0(state, "DELETING") == 0) {
+ DBG("DELETING");
+ vici_client->event_cb(VICI_EVENT_CHILD_DOWN, vici_client->event_user_data);
+ } else {
+ DBG("Unknown event");
+ }
+ g_free(state);
+ return;
+}
+
+static void process_vici_event(VICIClient *vici_client)
+{
+ char *buf = NULL;
+ unsigned int size = 0;
+ unsigned int pos = 0;
+ char temp[256] = {0,};
+ if (!vici_client || !(vici_client->rcvbuf) || vici_client->rcv_pkt_size == 0)
+ return;
+
+ buf = vici_client->rcvbuf;
+ size = vici_client->rcv_pkt_size;
+
+ pos = extract_event_name(buf, size, temp);
+ /* TODO: remove below after debug */
+ /* add parser */
+ if (g_strcmp0(temp, "child-updown") == 0)
+ process_child_updown(vici_client, buf + pos -1, size - pos);
+}
+
+static void process_vici_packet(VICIClient *vici_client, char *buf)
+{
+
+ if (!vici_client || !buf)
+ return;
+
+ if (buf[0] == VICI_CMD_RESPONSE) {
+ DBG("VICI_CMD_RESPONSE\n");
+ process_vici_reply(vici_client);
+ } else if (buf[0] == VICI_EVENT_CONFIRM) {
+ DBG("VICI_EVENT_CONFIRM\n");
+ } else if (buf[0] == VICI_EVENT) {
+ DBG("VICI_EVENT");
+ process_vici_event(vici_client);
+ } else {
+ DBG("Not handled [%u]", buf[0]);
+ }
+ return;
+}
+
+static gboolean process_vici_msg(GIOChannel *source,
GIOCondition condition,
gpointer user_data)
{
VICIClient *vici_client = NULL;
- struct request * req = NULL;
int sock = 0;
- int ret = 0;
vici_client = (VICIClient *)user_data;
if (!vici_client)
@@ -991,27 +1154,18 @@ static gboolean process_reply(GIOChannel *source,
if (sock < 0)
return FALSE;
- /* get first request */
- req = pop_vici_request((VICIClient *)user_data);
- if (!req)
- return FALSE;
- if(recv_vici_pkt(sock, req) < 0)
+ if(recv_vici_pkt(sock, vici_client) < 0)
return FALSE;
- if (!req->rcvbuf) {
+ if (!vici_client->rcvbuf) {
return TRUE;
}
- ret = process_vici_response(req);
- vici_client->request_list = g_slist_remove(vici_client->request_list, req);
- destroy_vici_request(req);
-
- /* TODO :remove this after debug */
- DBG("left request reply : %d", g_slist_length(vici_client->request_list));
-
- if (ret!= 0 || g_slist_length(vici_client->request_list) == 0)
- vici_client->reply(ret, vici_client->ipsec_user_data);
+ process_vici_packet(vici_client, vici_client->rcvbuf);
+ g_free(vici_client->rcvbuf);
+ vici_client->rcvbuf = NULL;
+ vici_client->rcv_pkt_size = 0;
return TRUE;
}
@@ -1054,47 +1208,60 @@ static int connect_socket(const char *uri)
return fd;
}
-int vici_initialize(VICIClient **vici_client)
+static int initialize_vici_source(VICIClient *vici_client)
{
GIOChannel *vici_channel;
-
- *vici_client = g_try_new0(VICIClient, 1);
- if (!*vici_client) {
- connman_error("out of memory");
+ if (!vici_client) {
return -ENOMEM;
}
- (*vici_client)->client_sock_fd = connect_socket(VICI_DEFAULT_URI);
- if ((*vici_client)->client_sock_fd < 0) {
+ vici_client->client_sock_fd = connect_socket(VICI_DEFAULT_URI);
+ if (vici_client->client_sock_fd < 0) {
connman_error("connect_socket failed");
- g_free(*vici_client);
return -EIO;
}
- vici_channel = g_io_channel_unix_new((*vici_client)->client_sock_fd);
+ vici_channel = g_io_channel_unix_new(vici_client->client_sock_fd);
if (!vici_channel) {
connman_error("g_io_channel_unix_new failed");
- close((*vici_client)->client_sock_fd);
- g_free(*vici_client);
+ close(vici_client->client_sock_fd);
return -ENOMEM;
}
- (*vici_client)->client_watch = g_io_add_watch_full(vici_channel,
+ vici_client->client_watch = g_io_add_watch_full(vici_channel,
G_PRIORITY_LOW,
G_IO_IN | G_IO_ERR | G_IO_HUP | G_IO_NVAL,
- (GIOFunc)process_reply,
- (gpointer)*vici_client,
+ (GIOFunc)process_vici_msg,
+ (gpointer)vici_client,
NULL);
g_io_channel_unref(vici_channel);
+ return 0;
+}
+
+int vici_initialize(VICIClient **vici_client)
+{
+ int ret = 0;
+
+ *vici_client = g_try_new0(VICIClient, 1);
+ if (!*vici_client) {
+ connman_error("out of memory");
+ return -ENOMEM;
+ }
+
+ ret = initialize_vici_source(*vici_client);
+ if (ret != 0) {
+ g_free(*vici_client);
+ return ret;
+ }
DBG("connected");
return 0;
}
-void vici_set_connect_reply_cb(VICIClient *vici_client, vici_connect_reply_cb reply_cb, gpointer user_data)
+void vici_set_request_reply_cb(VICIClient *vici_client, vici_request_reply_cb reply_cb, gpointer user_data)
{
- vici_client->reply = reply_cb;
- vici_client->ipsec_user_data = user_data;
+ vici_client->reply_cb = reply_cb;
+ vici_client->reply_user_data = user_data;
}
int vici_deinitialize(VICIClient *vici_client)
@@ -1106,6 +1273,7 @@ int vici_deinitialize(VICIClient *vici_client)
close(vici_client->client_sock_fd);
g_slist_free_full(vici_client->request_list, destroy_vici_request);
+ g_free(vici_client->rcvbuf);
g_free(vici_client);
return 0;