Add option to use PPP to gsmdial.
Index: ofono/gatchat/gsmdial.c
===================================================================
--- ofono.orig/gatchat/gsmdial.c 2010-03-10 16:58:09.773080389 -0800
+++ ofono/gatchat/gsmdial.c 2010-03-10 17:06:45.071975512 -0800
@@ -33,6 +33,9 @@
#include <glib.h>
#include <gatchat.h>
#include <gattty.h>
+#include <arpa/inet.h>
+#include <net/if.h>
+#include <gatppp.h>
static const char *none_prefix[] = { NULL };
static const char *cgreg_prefix[] = { "+CGREG:", NULL };
@@ -45,10 +48,14 @@
static gchar *option_apn = NULL;
static gint option_offmode = 0;
static gboolean option_legacy = FALSE;
+static gboolean option_ppp = FALSE;
+static gchar *option_username = NULL;
+static gchar *option_passwd = NULL;
static GAtChat *control;
static GAtChat *modem;
static GMainLoop *event_loop;
+static struct ppp_link *ppp;
enum state {
STATE_NONE = 0,
@@ -220,6 +227,70 @@
g_at_chat_send(modem, buf, none_prefix, NULL, NULL, NULL);
}
+static void print_ip_address(guint32 ip_addr)
+{
+ struct in_addr addr;
+ addr.s_addr = ip_addr;
+ g_print("%s\n", inet_ntoa(addr));
+}
+
+static void ppp_connect(struct ppp_link *link, gint success, guint32 ip_addr,
+ guint32 dns1, guint32 dns2, gpointer user_data)
+{
+ if (success == PPP_CONNECT_SUCCESS) {
+ /* print out the negotiated address and dns server */
+ g_print("Negotiated IP Address: ");
+ print_ip_address(ip_addr);
+
+ g_print("Primary DNS Server: ");
+ print_ip_address(dns1);
+
+ g_print("Secondary DNS Server: ");
+ print_ip_address(dns2);
+ } else {
+ g_print("Failed to create PPP interface!\n");
+ }
+}
+
+static void ppp_disconnect(struct ppp_link *link, gpointer user_data)
+{
+ g_print("PPP Link down\n");
+}
+
+static void connect_cb(gboolean ok, GAtResult *result, gpointer user_data)
+{
+ GIOChannel *channel;
+
+ if (!ok) {
+ g_print("Unable to define context\n");
+ exit(1);
+ }
+
+ /* get the data IO channel */
+ channel = g_at_chat_get_channel(modem);
+ channel = g_io_channel_ref(channel);
+
+ /* shutdown gatchat */
+ g_at_chat_unref(control);
+ g_at_chat_unref(modem);
+
+ /* open ppp */
+ ppp = g_at_ppp_new(channel);
+ if (ppp) {
+ g_print("Setting PPP Credentials to %s, %s\n", option_username,
+ option_passwd);
+ g_at_ppp_set_credentials(ppp, option_username,
+ option_passwd);
+
+ /* set connect and disconnect callbacks */
+ g_at_ppp_set_connect_function(ppp, ppp_connect, NULL);
+ g_at_ppp_set_disconnect_function(ppp, ppp_disconnect, NULL);
+
+ /* open the ppp connection */
+ g_at_ppp_open(ppp);
+ }
+}
+
static void at_cgdcont_cb(gboolean ok, GAtResult *result, gpointer user_data)
{
char buf[64];
@@ -231,8 +302,14 @@
if (option_legacy == TRUE) {
sprintf(buf, "ATD*99***%u#", option_cid);
- g_at_chat_send(modem, buf, none_prefix,
- NULL, NULL, NULL);
+ if (option_ppp == TRUE) {
+ g_print("Option PPP enabled\n");
+ g_at_chat_send(modem, buf, none_prefix,
+ connect_cb, NULL, NULL);
+ }
+ else
+ g_at_chat_send(modem, buf, none_prefix,
+ NULL, NULL, NULL);
} else {
sprintf(buf, "AT+CGACT=1,%u", option_cid);
g_at_chat_send(control, buf, none_prefix,
@@ -406,6 +483,12 @@
"Specify CFUN offmode" },
{ "legacy", 'l', 0, G_OPTION_ARG_NONE, &option_legacy,
"Use ATD*99***<cid>#" },
+ { "ppp", 'P', 0, G_OPTION_ARG_NONE, &option_ppp,
+ "Connect using PPP" },
+ { "username", 'u', 0, G_OPTION_ARG_STRING, &option_username,
+ "Specify PPP Username" },
+ { "password", 'w', 0, G_OPTION_ARG_STRING, &option_passwd,
+ "Specifiy PPP Password" },
{ NULL },
};
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