Commit 10cab688 authored by Philippe De Swert's avatar Philippe De Swert

[network] Check configured interface, fallback to usb0 if it does not exist Fixes: JB#21324

If for some reason the configured network interface does not exist. (As
rndis0 on mako/N4, while it is an android device, using the android gadget).
We test if the interface exists, if not we fall back on usb0.
Signed-off-by: default avatarPhilippe De Swert <>
parent 5da860be
......@@ -74,9 +74,22 @@ static void free_ipforward_data (struct ipforward_data *ipforward)
/* This function checks if the configured interface exists */
static int check_interface(char *interface)
char command[32];
int ret = 0;
snprintf(command, 32, "ifconfig %s\n", interface );
ret = system(command);
static char* get_interface(struct mode_list_elem *data)
char *interface = NULL;
int check = 0;
......@@ -88,12 +101,20 @@ static char* get_interface(struct mode_list_elem *data)
interface = (char *)get_network_interface();
if(interface == NULL)
if(interface != NULL)
check = check_interface(interface);
if(interface == NULL && check != 0)
interface = malloc(sizeof(default_interface)*sizeof(char));
strncpy(interface, default_interface, sizeof(default_interface));
check = check_interface(interface);
log_warning("Configured interface is incorrect, nor does usb0 exists. Check your config!\n");
/* TODO: Make it so that interface configuration gets skipped */
log_debug("interface = %s\n", interface);
return interface;
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