#include "ip_common.h"
#include "tunnel.h"
-static void print_usage(FILE *f)
+static void vti6_print_help(struct link_util *lu, int argc, char **argv,
+ FILE *f)
{
fprintf(f,
- "Usage: ... vti6 [ remote ADDR ]\n"
+ "Usage: ... %-4s [ remote ADDR ]\n",
+ lu->id
+ );
+ fprintf(f,
" [ local ADDR ]\n"
" [ [i|o]key KEY ]\n"
" [ dev PHYS_DEV ]\n"
" [ fwmark MARK ]\n"
"\n"
- "Where: ADDR := { IPV6_ADDRESS }\n"
+ );
+ fprintf(f,
+ "Where: ADDR := { IP%s_ADDRESS }\n"
" KEY := { DOTTED_QUAD | NUMBER }\n"
- " MARK := { 0x0..0xffffffff }\n"
+ " MARK := { 0x0..0xffffffff }\n",
+ "V6"
);
}
-static void usage(void) __attribute__((noreturn));
-static void usage(void)
-{
- print_usage(stderr);
- exit(-1);
-}
-
static int vti6_parse_opt(struct link_util *lu, int argc, char **argv,
struct nlmsghdr *n)
{
- struct ifinfomsg *ifi = (struct ifinfomsg *)(n + 1);
+ struct ifinfomsg *ifi = NLMSG_DATA(n);
struct {
struct nlmsghdr n;
struct ifinfomsg i;
struct rtattr *tb[IFLA_MAX + 1];
struct rtattr *linkinfo[IFLA_INFO_MAX+1];
struct rtattr *vtiinfo[IFLA_VTI_MAX + 1];
- struct in6_addr saddr = IN6ADDR_ANY_INIT;
- struct in6_addr daddr = IN6ADDR_ANY_INIT;
__be32 ikey = 0;
__be32 okey = 0;
+ inet_prefix saddr, daddr;
unsigned int link = 0;
__u32 fwmark = 0;
int len;
+ inet_prefix_reset(&saddr);
+ inet_prefix_reset(&daddr);
+
if (!(n->nlmsg_flags & NLM_F_CREATE)) {
+ const struct rtattr *rta;
+
if (rtnl_talk(&rth, &req.n, &answer) < 0) {
get_failed:
fprintf(stderr,
parse_rtattr_nested(vtiinfo, IFLA_VTI_MAX,
linkinfo[IFLA_INFO_DATA]);
+ rta = vtiinfo[IFLA_VTI_LOCAL];
+ if (rta && get_addr_rta(&saddr, rta, AF_INET6))
+ goto get_failed;
+
+ rta = vtiinfo[IFLA_VTI_REMOTE];
+ if (rta && get_addr_rta(&daddr, rta, AF_INET6))
+ goto get_failed;
+
if (vtiinfo[IFLA_VTI_IKEY])
ikey = rta_getattr_u32(vtiinfo[IFLA_VTI_IKEY]);
if (vtiinfo[IFLA_VTI_OKEY])
okey = rta_getattr_u32(vtiinfo[IFLA_VTI_OKEY]);
- if (vtiinfo[IFLA_VTI_LOCAL])
- memcpy(&saddr, RTA_DATA(vtiinfo[IFLA_VTI_LOCAL]), sizeof(saddr));
-
- if (vtiinfo[IFLA_VTI_REMOTE])
- memcpy(&daddr, RTA_DATA(vtiinfo[IFLA_VTI_REMOTE]), sizeof(daddr));
-
if (vtiinfo[IFLA_VTI_LINK])
link = rta_getattr_u8(vtiinfo[IFLA_VTI_LINK]);
NEXT_ARG();
okey = tnl_parse_key("okey", *argv);
} else if (!matches(*argv, "remote")) {
- inet_prefix addr;
-
NEXT_ARG();
- get_addr(&addr, *argv, AF_INET6);
- memcpy(&daddr, addr.data, sizeof(daddr));
+ get_addr(&daddr, *argv, AF_INET6);
} else if (!matches(*argv, "local")) {
- inet_prefix addr;
-
NEXT_ARG();
- get_addr(&addr, *argv, AF_INET6);
- memcpy(&saddr, addr.data, sizeof(saddr));
+ get_addr(&saddr, *argv, AF_INET6);
} else if (!matches(*argv, "dev")) {
NEXT_ARG();
link = ll_name_to_index(*argv);
- if (link == 0) {
- fprintf(stderr, "Cannot find device \"%s\"\n",
- *argv);
- exit(-1);
- }
+ if (!link)
+ exit(nodev(*argv));
} else if (strcmp(*argv, "fwmark") == 0) {
NEXT_ARG();
if (get_u32(&fwmark, *argv, 0))
invarg("invalid fwmark\n", *argv);
- } else
- usage();
+ } else {
+ vti6_print_help(lu, argc, argv, stderr);
+ return -1;
+ }
argc--; argv++;
}
addattr32(n, 1024, IFLA_VTI_IKEY, ikey);
addattr32(n, 1024, IFLA_VTI_OKEY, okey);
- addattr_l(n, 1024, IFLA_VTI_LOCAL, &saddr, sizeof(saddr));
- addattr_l(n, 1024, IFLA_VTI_REMOTE, &daddr, sizeof(daddr));
+ if (is_addrtype_inet_not_unspec(&saddr))
+ addattr_l(n, 1024, IFLA_VTI_LOCAL, saddr.data, saddr.bytelen);
+ if (is_addrtype_inet_not_unspec(&daddr))
+ addattr_l(n, 1024, IFLA_VTI_REMOTE, daddr.data, daddr.bytelen);
addattr32(n, 1024, IFLA_VTI_FWMARK, fwmark);
if (link)
addattr32(n, 1024, IFLA_VTI_LINK, link);
static void vti6_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
{
- const char *local = "any";
- const char *remote = "any";
- struct in6_addr saddr;
- struct in6_addr daddr;
char s2[64];
if (!tb)
return;
- if (tb[IFLA_VTI_REMOTE]) {
- memcpy(&daddr, RTA_DATA(tb[IFLA_VTI_REMOTE]), sizeof(daddr));
-
- remote = format_host(AF_INET6, 16, &daddr);
- }
-
- print_string(PRINT_ANY, "remote", "remote %s ", remote);
-
- if (tb[IFLA_VTI_LOCAL]) {
- memcpy(&saddr, RTA_DATA(tb[IFLA_VTI_LOCAL]), sizeof(saddr));
-
- local = format_host(AF_INET6, 16, &saddr);
- }
-
- print_string(PRINT_ANY, "local", "local %s ", local);
+ tnl_print_endpoint("remote", tb[IFLA_VTI_REMOTE], AF_INET6);
+ tnl_print_endpoint("local", tb[IFLA_VTI_LOCAL], AF_INET6);
if (tb[IFLA_VTI_LINK]) {
- unsigned int link = rta_getattr_u32(tb[IFLA_VTI_LINK]);
+ __u32 link = rta_getattr_u32(tb[IFLA_VTI_LINK]);
if (link) {
print_string(PRINT_ANY, "link", "dev %s ",
if (fwmark) {
print_0xhex(PRINT_ANY,
- "fwmark", "fwmark 0x%x ", fwmark);
+ "fwmark", "fwmark %#llx ", fwmark);
}
}
}
-static void vti6_print_help(struct link_util *lu, int argc, char **argv,
- FILE *f)
-{
- print_usage(f);
-}
-
struct link_util vti6_link_util = {
.id = "vti6",
.maxattr = IFLA_VTI_MAX,