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author/C=DE/ST=Berlin/L=Berlin/O=Netfilter Project/OU=Development/CN=laforge/emailAddress=laforge@netfilter.org </C=DE/ST=Berlin/L=Berlin/O=Netfilter Project/OU=Development/CN=laforge/emailAddress=laforge@netfilter.org>2005-08-07 14:54:18 +0000
committer/C=DE/ST=Berlin/L=Berlin/O=Netfilter Project/OU=Development/CN=laforge/emailAddress=laforge@netfilter.org </C=DE/ST=Berlin/L=Berlin/O=Netfilter Project/OU=Development/CN=laforge/emailAddress=laforge@netfilter.org>2005-08-07 14:54:18 +0000
commitaf8f9db8775ad488f91bff578e8a9b0b4534be16 (patch)
tree78cf73b41776294637027b26e5abad9705e8119f /_log/utils/nfulnl_test.c
parentbc709eb4cb8230c6f739d1fe4362d10f014e5549 (diff)
update nfulnl_test to comply with recent library changes
Diffstat (limited to '_log/utils/nfulnl_test.c')
-rw-r--r--_log/utils/nfulnl_test.c54
1 files changed, 47 insertions, 7 deletions
diff --git a/_log/utils/nfulnl_test.c b/_log/utils/nfulnl_test.c
index 56a819a..a6d648e 100644
--- a/_log/utils/nfulnl_test.c
+++ b/_log/utils/nfulnl_test.c
@@ -29,6 +29,7 @@ static int print_pkt(struct nfattr *tb[])
u_int32_t ifi = ntohl(*(u_int32_t *)NFA_DATA(tb[NFULA_IFINDEX_OUTDEV-1]));
printf("outdev=%u ", ifi);
}
+#if 0
if (tb[NFULA_IFINDEX_PHYSINDEV-1]) {
u_int32_t ifi = ntohl(*(u_int32_t *)NFA_DATA(tb[NFULA_IFINDEX_PHYSINDEV-1]));
printf("physindev=%u ", ifi);
@@ -37,12 +38,13 @@ static int print_pkt(struct nfattr *tb[])
u_int32_t ifi = ntohl(*(u_int32_t *)NFA_DATA(tb[NFULA_IFINDEX_PHYSOUTDEV-1]));
printf("physoutdev=%u ", ifi);
}
+#endif
if (tb[NFULA_PREFIX-1]) {
char *prefix = NFA_DATA(tb[NFULA_PREFIX-1]);
printf("prefix=\"%s\" ", prefix);
}
if (tb[NFULA_PAYLOAD-1]) {
- printf("payload_len=%d\n", NFA_PAYLOAD(tb[NFULA_PAYLOAD-1]));
+ printf("payload_len=%d ", NFA_PAYLOAD(tb[NFULA_PAYLOAD-1]));
}
fputc('\n', stdout);
@@ -66,21 +68,49 @@ int main(int argc, char **argv)
char buf[4096];
h = nfulnl_open();
- if (!h)
+ if (!h) {
+ fprintf(stderr, "error during nfulnl_open()\n");
exit(1);
+ }
- nfulnl_unbind_pf(h, AF_INET);
- nfulnl_bind_pf(h, AF_INET);
+ printf("unbinding existing nf_log handler for AF_INET (if any)\n");
+ if (nfulnl_unbind_pf(h, AF_INET) < 0) {
+ fprintf(stderr, "error nfulnl_unbind_pf()\n");
+ exit(1);
+ }
+
+ printf("binding nfnetlink_log to AF_INET\n");
+ if (nfulnl_bind_pf(h, AF_INET) < 0) {
+ fprintf(stderr, "error during nfulnl_bind_pf()\n");
+ exit(1);
+ }
+ printf("binding this socket to group 0\n");
qh = nfulnl_bind_group(h, 0);
+ if (!qh) {
+ fprintf(stderr, "no handle for grup 0\n");
+ exit(1);
+ }
+
+ printf("binding this socket to group 100\n");
qh100 = nfulnl_bind_group(h, 100);
- nfulnl_set_mode(qh, NFULNL_COPY_PACKET, 0xffff);
+ if (!qh100) {
+ fprintf(stderr, "no handle for group 100\n");
+ exit(1);
+ }
+
+ printf("setting copy_packet mode\n");
+ if (nfulnl_set_mode(qh, NFULNL_COPY_PACKET, 0xffff) < 0) {
+ fprintf(stderr, "can't set packet copy mode\n");
+ exit(1);
+ }
nh = nfulnl_nfnlh(h);
fd = nfnl_fd(nh);
-#if 1
+
+ printf("registering callback for group 0\n");
nfulnl_callback_register(qh, &cb, NULL);
-#endif
+ printf("going into main loop\n");
while ((rv = recv(fd, buf, sizeof(buf), 0)) && rv >= 0) {
struct nlmsghdr *nlh;
printf("pkt received (len=%u)\n", rv);
@@ -101,14 +131,24 @@ int main(int argc, char **argv)
print_pkt(tb);
}
#else
+ /* handle messages in just-received packet */
nfulnl_handle_packet(h, buf, rv);
#endif
}
+ printf("unbinding from group 100\n");
nfulnl_unbind_group(qh100);
+ printf("unbinding from group 0\n");
nfulnl_unbind_group(qh);
+
+#ifdef INSANE
+ /* norally, applications SHOULD NOT issue this command,
+ * since it detaches other programs/sockets from AF_INET, too ! */
+ printf("unbinding from AF_INET\n");
nfulnl_unbind_pf(h, AF_INET);
+#endif
+ printf("closing handle\n");
nfulnl_close(h);
exit(0);