Always use a 0.0.0.0/0 default on Android instead of def1

schwabe · schwabe · commit 9880506e4231 · 2026-02-28T14:00:44.000+01:00
Certain handset manufactures (like Samsung iirc)  are handling
0.0.0.0/0 different from the split /1 routes, so push the 0.0.0.0/0
route to the OS.

Change-Id: I22e4b73e744c765a43bdb29f6e18813d103ea757
Signed-off-by: Arne Schwabe &lt;arne@rfc2549.org&gt;
diff --git a/src/openvpn/options.c b/src/openvpn/options.c
@@ -6997,7 +6997,10 @@ add_option(struct options *options, char *p[], bool is_inline, const char *file,
             }
             else if (streq(p[j], "def1"))
             {
+#ifndef TARGET_ANDROID
+                /* Android always uses 0.0.0.0/0, so silently ignore the flag */
                 options->routes->flags |= RG_DEF1;
+#endif
             }
             else if (streq(p[j], "bypass-dhcp"))
             {

Original file line number	Diff line number	Diff line change
`@@ -6997,7 +6997,10 @@ add_option(struct options options, char p[], bool is_inline, const char *file,`
`6997`	`6997`	`}`
`6998`	`6998`	`else if (streq(p[j], "def1"))`
`6999`	`6999`	`{`
	`7000`	`+#ifndef TARGET_ANDROID`
	`7001`	`+ /* Android always uses 0.0.0.0/0, so silently ignore the flag */`
`7000`	`7002`	`options->routes->flags \|= RG_DEF1;`
	`7003`	`+#endif`
`7001`	`7004`	`}`
`7002`	`7005`	`else if (streq(p[j], "bypass-dhcp"))`
`7003`	`7006`	`{`