new approach through ubus call, gets IP addr, incomplete

common.c

 #include "common.h"
 
-int get_ip(char *if_name)
-{
-	struct ifaddrs *ifaddr, *ifa;
+/*
+TODO:
+	Initial
+		1. system call //"ubus call router.net ipv4_routes | grep -B 7 \"usb0\" | grep \"flag.
+*H\" -B 4 | grep destination"
+		2. grep for [H]ost flag
+		3. find IP
 
-	getifaddrs(&ifaddr);
-	ifa = ifaddr;
+	Once Successful
+		1. Implement by invoking ubus
 
-	while (ifa != NULL) {
-		if (strcmp(ifa->ifa_addr, if_name) != 0)
-			continue;
+*/
+int get_ip(char *if_name)
+{
+	char response[1024] = {0};
+	FILE *fp = popen("ubus call router.net ipv4_routes | grep -B 7 \"usb0\" | grep \"flag.*H\" -B 4 | grep destination | cut -d ' ' -f2 | cut -d '\"' -f2", "r");
 
-		if (ifa->ifa_addr && ifa->ifa_addr->sa_family == AF_INET) {
-			struct sockaddr_in *pAddr = (struct sockaddr_in *)ifa->ifa_addr;
-			printf("ip: %s\n", inet_ntoa(pAddr->sin_addr));
-		}
+	fscanf(fp, "%s", response);
+	pclose(fp);
+	printf("%s\n", response);
 
-		ifa = ifa->ifa_next;
-	}
 
-	freeififaddrs(ifaddr);
 	return 0;
 }
 

common.h

@@ -12,14 +12,6 @@
 #include <time.h>
 #include <limits.h>
 #include <libubox/list.h>
-#include <ifaddrs.h>
-#include <sys/socket.h>
-#include <sys/ioctl.h>
-#include <netinet/in.h>
-#include <net/if.h>
-#include <arpa/inet.h>
-#include <sys/socket.h>
-#include <netdb.h>
 
 #include "libmobile.h"
 #include <json-c/json.h>

dongle_network.c

@@ -2,11 +2,13 @@
 
 static enum {
 	IP,
+	DEV,
 	__IP_MAX
 };
 
 static const struct blobmsg_policy ip_policy[__IP_MAX] = {
-	[IP] = {.name = "ip_addr", .type = BLOBMSG_TYPE_STRING}
+	[IP] = {.name = "ip_addr", .type = BLOBMSG_TYPE_STRING},
+	[DEV] = {.name = "dev", .type = BLOBMSG_TYPE_STRING}
 };
 
 int get_signal_strength(struct ubus_context *ctx, struct ubus_object *obj,
@@ -198,6 +200,23 @@ fail_unknown:
 	return UBUS_STATUS_UNKNOWN_ERROR;
 }
 
+int test_get_ip(struct ubus_context *ctx, struct ubus_object *obj,
+				struct ubus_request_data *req, const char *method,
+				struct blob_attr *msg)
+{
+	struct blob_attr *tb[__IP_MAX];
+	char *dev;
+
+	blobmsg_parse(ip_policy, __IP_MAX, tb, blob_data(msg), blob_len(msg));
+
+	if (tb[DEV]) {
+		dev = (char *)blobmsg_data(tb[DEV]);
+		get_ip(dev);
+	}
+
+	return 0;
+}
+
 struct ubus_method network_object_methods[] = {
 	UBUS_METHOD("signal_strength", get_signal_strength, ip_policy),
 	UBUS_METHOD("connect", connect_network, ip_policy),
@@ -206,6 +225,7 @@ struct ubus_method network_object_methods[] = {
 	UBUS_METHOD("enable_roaming", enable_roaming, ip_policy),
 	UBUS_METHOD("disable_roaming", disable_roaming, ip_policy),
 	UBUS_METHOD("roam_status", roam_status, ip_policy),
+	UBUS_METHOD("get_ip", test_get_ip, ip_policy)
 };
 
 struct ubus_object_type network_object_type = UBUS_OBJECT_TYPE("dongle", network_object_methods);

libmobile.c

@@ -562,6 +562,6 @@ struct json_object *mobile_unlock_sim(char *ip_addr, char *pin, char *puk)
 	char query[1024] = {0};
 
 	snprintf(query, 1023, "isTest=false&goformId=ENTER_PUK&PUKNumber=%s&PinNumber=%s&pin_save_flag=0", puk, pin);
-	printf("query %s\n");
+	printf("query %s\n", query);
 	return prepare_request(ip_addr, query, POST);
 }