ajout d’iftun et test-iftun

partage/Makefile

@@ -1,35 +1,22 @@
-CC := gcc -Wall -Wextra -Wpedantic -Werror -Iinclude -g
+CC := gcc -Wall -Wextra -Wpedantic -Werror -Iinclude -std=c11 -g
 
 
+all: build test-iftun
+
+build:
+	-mkdir build
+
+test-iftun: build/test-iftun.o build/iftun.a
+	$(CC) $(CFLAGS) $^ -o $@
+
+build/test-iftun.o: src/test-iftun.c src/iftun.h
+	$(CC) $(CFLAGS) $< -c -o $@
+
 build/iftun.a: build/iftun.o
-	ar rcs $@ $^
-
-build/iftun: build/iftun.a 
-
-
-
-# LIBS :=
-
-# LDFLAGS := $(LDFLAGS) $(shell pkg-config --libs $(LIBS))
-# CFLAGS := $(CFLAGS) $(shell pkg-config --cflags $(LIBS))
-
-BUILD_DIR ?= build
-
-OUT := $(notdir $(shell pwd))
-
-SRC := $(wildcard src/*.c)
-OBJS := $(patsubst src/%.c,$(BUILD_DIR)/%.o,$(SRC))
-DEPS := $(wildcard $(BUILD_DIR)/*.d)
-
-
-$(BUILD_DIR)/$(OUT): $(OBJS)
-	$(CC) $(LDFLAGS) -o $@ $^
-
-
--include $(DEPS)
-$(BUILD_DIR)/%.o: src/%.c
-	$(CC) $(CFLAGS) -MP -MD $< -c -o $@
+	ar rcs $@ $<
 
+build/iftun.o: src/iftun.c src/iftun.h
+	$(CC) $(CFLAGS) $< -c -o $@
 
 clean:
 	-rm -f $(BUILD_DIR)/*.o

partage/src/iftun.c

@@ -1,5 +1,21 @@
 #include "iftun.h"
 
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+
+#include <sys/types.h>
+#include <string.h>
+#include <netdb.h>
+
+#include <unistd.h>
+#include <fcntl.h>
+#include <linux/if.h>
+#include <linux/if_tun.h>
+
 
 int tun_alloc(char *dev) {
 	int fd = open("/dev/net/tun", O_RDWR);
@@ -24,3 +40,14 @@ int tun_alloc(char *dev) {
 	strcpy(dev, ifr.ifr_name);
 	return fd;
 }
+
+
+int copy(int src, int dest) {
+	char buf[1024];
+	int n = 0;
+
+	while (1) {
+		n = read(src, buf, 1024);
+		write(dest, buf, n);
+	}
+}

partage/src/iftun.h

@@ -3,6 +3,7 @@
 
 
 int tun_alloc(char *dev);
+int copy(int src, int dest);
 
 
 #endif

partage/src/test-iftun.c

@@ -0,0 +1,16 @@
+#include "iftun.h"
+
+#include <stdio.h>
+
+
+int main(int argc, char *argv[argc]) {
+	if (argc != 2) {
+		fprintf(stderr, "Utilisation : %s interface\n", argv[0]);
+		return 1;
+	}
+	int tun = tun_alloc(argv[1]);
+	printf("Configurez l’interface puis appuyez sur une touche.\n");
+	getchar();
+	copy(tun, 1);
+	return 0;
+}

partage/src/tunalloc.c

@@ -17,17 +17,6 @@
 #include <linux/if_tun.h>
 
 
-int copy(int src, int dest) {
-	char buf[1024];
-	int n = 0;
-
-	while (1) {
-		n = read(src, buf, 1024);
-		write(dest, buf, n);
-	}
-}
-
-
 void ext_out() {
 	struct addrinfo hints = {
 		.ai_family = AF_UNSPEC,
@@ -84,7 +73,6 @@ int main(int argc, char *argv[argc]){
 	int tun = tun_alloc(argv[1]);
 	/* printf("Configure %s puis appuie sur un touche…\n", argv[1]); */
 	/* getchar(); */
-	system("./configure-tun.sh");
 	/* copy(tun, 1); */
 	/* ext_out(); */
 	return 0;