fix shell

Makefile

@@ -1,6 +1,6 @@
 CFLAGS = -std=gnu99 -pie -fPIC -pedantic -Wno-imports -Wunused -Wno-missing-field-initializers -Wextra -Wunreachable-code -O3
 
-all: wireguard_mount wireguard_resolve enter_vpn
+all: wireguard_mount wireguard_resolve vpn
 
 wireguard_mount: src/wireguard-mount.c
 	mkdir -p bin
@@ -10,9 +10,9 @@ wireguard_resolve: src/resolve.c src/resolve.s
 	mkdir -p bin
 	gcc -shared -o bin/wireguard-resolve.so -nostdlib -fPIC src/resolve.c src/resolve.s
 
-enter_vpn: src/enter_vpn.c
+vpn: src/vpn.c
 	mkdir -p bin
-	gcc $(CFLAGS) -o bin/enter_vpn src/enter_vpn.c
+	gcc $(CFLAGS) -o bin/vpn src/vpn.c
 
 format: src scripts
 	clang-format -i src/*.c
@@ -31,12 +31,10 @@ install_mount: systemd bin
 install_basic: systemd scripts bin
 	mkdir -p /snacks/wireguard/bin
 	mkdir -p /snacks/wireguard/scripts
-	cp bin/wireguard-resolve.so /snacks/wireguard/bin/wireguard-resolve.so
 	cp systemd/vpnclient-wg-basic.service /etc/systemd/system/vpnclient-wg-basic.service
 	cp scripts/connect_basic.py /snacks/wireguard/scripts/connect_basic.py
 	cp scripts/inner_basic.sh /snacks/wireguard/scripts/inner_basic.sh
+	cp bin/vpn /usr/local/bin/vpn
+	setcap cap_sys_admin,cap_sys_ptrace=ep /usr/local/bin/vpn
 	chmod -R 755 /snacks/wireguard
 	systemctl daemon-reload
-
-
-

scripts/connect.py

@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
-import subprocess, os
+import subprocess
+import os
 
 newenv = os.environ.copy()
 newenv["LD_PRELOAD"] = "/snacks/wireguard/bin/wireguard-resolve.so"

scripts/connect_basic.py

@@ -1,8 +1,6 @@
 #!/usr/bin/env python3
-import subprocess, os
+import subprocess
-
+import os
-newenv = os.environ.copy()
-newenv["LD_PRELOAD"] = "/snacks/wireguard/bin/wireguard-resolve.so"
 
 
 def default_devices():
@@ -70,7 +68,6 @@ def wireguard():
     )
     subprocess.run(
         ["nsenter", "--net=/run/vpn/net", "/snacks/wireguard/scripts/inner_basic.sh"],
-        env=newenv,
     )
 
 

src/vpn.c

@@ -30,7 +30,7 @@ int main() {
         perror("open /run/vpn/net");
         return 1;
     }
-    execl("csshell", "bshell", NULL);
+    execl(shell, shell, NULL);
     perror(NULL);
     return 0;
 }