[packages/iproute2] - add `ip fou show' command

[adwol]

commit d888f7188def497ce667be928f3f69b5d3e985f5
Author: Adam Osuchowski <adwol at pld-linux.org>
Date:   Mon Feb 19 15:53:43 2018 +0100

    - add `ip fou show' command

 iproute2-fou_show.patch | 97 +++++++++++++++++++++++++++++++++++++++++++++++++
 iproute2.spec           |  4 +-
 2 files changed, 100 insertions(+), 1 deletion(-)
---
diff --git a/iproute2.spec b/iproute2.spec
index 8cd9aab..44ab698 100644
--- a/iproute2.spec
+++ b/iproute2.spec
@@ -15,7 +15,7 @@ Summary(pl.UTF-8):	Narzędzie do konfigurowania sieci
 Summary(pt_BR.UTF-8):	Ferramentas para roteamento avançado e configuração de interfaces de rede
 Name:		iproute2
 Version:	4.14.1
-Release:	1
+Release:	2
 License:	GPL v2+
 Group:		Networking/Admin
 Source0:	https://www.kernel.org/pub/linux/utils/net/iproute2/%{name}-%{version}.tar.xz
@@ -34,6 +34,7 @@ Patch12:	001-net-dev-iface-descr-0.1.diff
 Patch13:	%{name}-q_atm_c.patch
 Patch14:	%{name}-q_srr.v0.4.patch
 Patch15:	%{name}-ip_route_get.patch
+Patch16:	%{name}-fou_show.patch
 URL:		http://www.linuxfoundation.org/collaborate/workgroups/networking/iproute2
 BuildRequires:	bison
 BuildRequires:	db-devel
@@ -137,6 +138,7 @@ Bashowe dopełnianie parametrów poleceń iproute2 (obecnie tylko tc).
 %patch13 -p0
 %patch14 -p1
 %patch15 -p1
+%patch16 -p1
 
 %build
 %{__make} \
diff --git a/iproute2-fou_show.patch b/iproute2-fou_show.patch
new file mode 100644
index 0000000..f053a01
--- /dev/null
+++ b/iproute2-fou_show.patch
@@ -0,0 +1,97 @@
+diff -ruNp iproute2-4.14.1.orig/ip/ipfou.c iproute2-4.14.1/ip/ipfou.c
+--- iproute2-4.14.1.orig/ip/ipfou.c	2017-11-13 19:09:57.000000000 +0100
++++ iproute2-4.14.1/ip/ipfou.c	2018-02-19 15:49:27.105945493 +0100
+@@ -28,6 +28,7 @@ static void usage(void)
+ 	fprintf(stderr, "Usage: ip fou add port PORT "
+ 		"{ ipproto PROTO  | gue } [ -6 ]\n");
+ 	fprintf(stderr, "       ip fou del port PORT [ -6 ]\n");
++	fprintf(stderr, "       ip fou show\n");
+ 	fprintf(stderr, "\n");
+ 	fprintf(stderr, "Where: PROTO { ipproto-name | 1..255 }\n");
+ 	fprintf(stderr, "       PORT { 1..65535 }\n");
+@@ -134,6 +135,63 @@ static int do_del(int argc, char **argv)
+ 	return 0;
+ }
+ 
++static int print_fou_mapping(const struct sockaddr_nl *who,
++				 struct nlmsghdr *n, void *arg)
++{
++	FILE *fp = (FILE *)arg;
++	struct genlmsghdr *ghdr;
++	struct rtattr *tb[FOU_ATTR_MAX + 1];
++	int len = n->nlmsg_len;
++	unsigned family;
++
++	if (n->nlmsg_type != genl_family)
++		return 0;
++
++	len -= NLMSG_LENGTH(GENL_HDRLEN);
++	if (len < 0)
++		return -1;
++
++	ghdr = NLMSG_DATA(n);
++	parse_rtattr(tb, FOU_ATTR_MAX, (void *) ghdr + GENL_HDRLEN, len);
++
++	if (tb[FOU_ATTR_PORT])
++		fprintf(fp, "port %u", ntohs(rta_getattr_u16(tb[FOU_ATTR_PORT])));
++	if (tb[FOU_ATTR_TYPE] && rta_getattr_u8(tb[FOU_ATTR_TYPE]) == FOU_ENCAP_GUE)
++		fprintf(fp, " gue");
++	else if (tb[FOU_ATTR_IPPROTO])
++		fprintf(fp, " ipproto %u", rta_getattr_u8(tb[FOU_ATTR_IPPROTO]));
++	if (tb[FOU_ATTR_AF]) {
++		family = rta_getattr_u8(tb[FOU_ATTR_AF]);
++		if (family == AF_INET6)
++			fprintf(fp, " -6");
++	}
++	fprintf(fp, "\n");
++
++	return 0;
++}
++
++static int do_show(int argc, char **argv)
++{
++	FOU_REQUEST(req, 4096, FOU_CMD_GET, NLM_F_REQUEST | NLM_F_DUMP);
++
++	if (argc > 0) {
++		fprintf(stderr, "\"ip fou show\" does not take any arguments.\n");
++		return -1;
++	}
++
++	if (rtnl_send(&genl_rth, &req.n, req.n.nlmsg_len) < 0) {
++		perror("Cannot send show request");
++		exit(1);
++	}
++
++	if (rtnl_dump_filter(&genl_rth, print_fou_mapping, stdout) < 0) {
++		fprintf(stderr, "Dump terminated\n");
++		return 1;
++	}
++
++	return 0;
++}
++
+ int do_ipfou(int argc, char **argv)
+ {
+ 	if (argc < 1)
+@@ -149,6 +207,8 @@ int do_ipfou(int argc, char **argv)
+ 		return do_add(argc-1, argv+1);
+ 	if (matches(*argv, "delete") == 0)
+ 		return do_del(argc-1, argv+1);
++	if (matches(*argv, "show") == 0)
++		return do_show(argc-1, argv+1);
+ 	fprintf(stderr, "Command \"%s\" is unknown, try \"ip fou help\".\n", *argv);
+ 	exit(-1);
+ }
+diff -ruNp iproute2-4.14.1.orig/man/man8/ip-fou.8 iproute2-4.14.1/man/man8/ip-fou.8
+--- iproute2-4.14.1.orig/man/man8/ip-fou.8	2017-11-13 19:09:57.000000000 +0100
++++ iproute2-4.14.1/man/man8/ip-fou.8	2018-02-19 15:49:23.558962613 +0100
+@@ -29,6 +29,9 @@ ip-gue \- Generic UDP Encapsulation rece
+ .BR "ip fou del"
+ .B port
+ .IR PORT
++.br
++.ti -8
++.B ip fou show
+ .SH DESCRIPTION
+ The
+ .B ip fou
================================================================

---- gitweb:

http://git.pld-linux.org/gitweb.cgi/packages/iproute2.git/commitdiff/d888f7188def497ce667be928f3f69b5d3e985f5