aboutsummaryrefslogtreecommitdiff
path: root/sbin/route/route.c
diff options
context:
space:
mode:
Diffstat (limited to 'sbin/route/route.c')
-rw-r--r--sbin/route/route.c117
1 files changed, 89 insertions, 28 deletions
diff --git a/sbin/route/route.c b/sbin/route/route.c
index 5f33cecb1b20..947c97ce794a 100644
--- a/sbin/route/route.c
+++ b/sbin/route/route.c
@@ -90,12 +90,11 @@ static struct keytab {
{0, 0}
};
+int verbose, debugonly;
static struct sockaddr_storage so[RTAX_MAX];
static int pid, rtm_addrs;
-static int s;
-static int nflag, af, qflag, tflag;
-static int verbose, aflen;
-static int locking, lockrest, debugonly;
+static int nflag, af, aflen, qflag, tflag;
+static int locking, lockrest;
static struct rt_metrics rt_metrics;
static u_long rtm_inits;
static uid_t uid;
@@ -103,18 +102,30 @@ static int defaultfib;
static int numfibs;
static char domain[MAXHOSTNAMELEN + 1];
static bool domain_initialized;
-static int rtm_seq;
static char rt_line[NI_MAXHOST];
static char net_line[MAXHOSTNAMELEN + 1];
+#ifdef WITHOUT_NETLINK
+static int s;
+static int rtm_seq;
+
static struct {
struct rt_msghdr m_rtm;
char m_space[512];
} m_rtmsg;
+static int rtmsg_rtsock(int, int, int);
+static int flushroutes_fib_rtsock(int);
+static void monitor_rtsock(void);
+#else
+int rtmsg_nl(int, int, int, struct sockaddr_storage *, struct rt_metrics *);
+int flushroutes_fib_nl(int, int);
+void monitor_nl(int);
+#endif
+
static TAILQ_HEAD(fibl_head_t, fibl) fibl_head;
-static void printb(int, const char *);
+void printb(int, const char *);
static void flushroutes(int argc, char *argv[]);
static int flushroutes_fib(int);
static int getaddr(int, char *, int);
@@ -127,7 +138,7 @@ static int inet6_makenetandmask(struct sockaddr_in6 *, const char *);
#endif
static void interfaces(void);
static void monitor(int, char*[]);
-static const char *netname(struct sockaddr *);
+const char *netname(struct sockaddr *);
static void newroute(int, char **);
static int newroute_fib(int, char *, int);
static void pmsg_addrs(char *, int, size_t);
@@ -135,7 +146,7 @@ static void pmsg_common(struct rt_msghdr *, size_t);
static int prefixlen(const char *);
static void print_getmsg(struct rt_msghdr *, int, int);
static void print_rtmsg(struct rt_msghdr *, size_t);
-static const char *routename(struct sockaddr *);
+const char *routename(struct sockaddr *);
static int rtmsg(int, int, int);
static void set_metric(char *, int);
static int set_sofib(int);
@@ -216,12 +227,14 @@ main(int argc, char **argv)
pid = getpid();
uid = geteuid();
+#ifdef WITHOUT_NETLINK
if (tflag)
s = open(_PATH_DEVNULL, O_WRONLY, 0);
else
s = socket(PF_ROUTE, SOCK_RAW, 0);
if (s < 0)
err(EX_OSERR, "socket");
+#endif
len = sizeof(numfibs);
if (sysctlbyname("net.fibs", (void *)&numfibs, &len, NULL, 0) == -1)
@@ -264,10 +277,14 @@ static int
set_sofib(int fib)
{
+#ifdef WITHOUT_NETLINK
if (fib < 0)
return (0);
return (setsockopt(s, SOL_SOCKET, SO_SETFIB, (void *)&fib,
sizeof(fib)));
+#else
+ return (0);
+#endif
}
static int
@@ -395,7 +412,9 @@ flushroutes(int argc, char *argv[])
if (uid != 0 && !debugonly && !tflag)
errx(EX_NOPERM, "must be root to alter routing table");
+#ifdef WITHOUT_NETLINK
shutdown(s, SHUT_RD); /* Don't want to read back our messages */
+#endif
TAILQ_INIT(&fibl_head);
while (argc > 1) {
@@ -442,6 +461,17 @@ flushroutes(int argc, char *argv[])
static int
flushroutes_fib(int fib)
{
+#ifdef WITHOUT_NETLINK
+ return (flushroutes_fib_rtsock(fib));
+#else
+ return (flushroutes_fib_nl(fib, af));
+#endif
+}
+
+#ifdef WITHOUT_NETLINK
+static int
+flushroutes_fib_rtsock(int fib)
+{
struct rt_msghdr *rtm;
size_t needed;
char *buf, *next, *lim;
@@ -525,8 +555,9 @@ retry:
free(buf);
return (error);
}
+#endif
-static const char *
+const char *
routename(struct sockaddr *sa)
{
struct sockaddr_dl *sdl;
@@ -645,7 +676,7 @@ routename(struct sockaddr *sa)
* Return the name of the network whose address is given.
* The address is assumed to be that of a net, not a host.
*/
-static const char *
+const char *
netname(struct sockaddr *sa)
{
struct sockaddr_dl *sdl;
@@ -810,8 +841,10 @@ newroute(int argc, char **argv)
warn("sigaction SIGALRM");
cmd = argv[0];
+#ifdef WITHOUT_NETLINK
if (*cmd != 'g' && *cmd != 's')
shutdown(s, SHUT_RD); /* Don't want to read back our messages */
+#endif
while (--argc > 0) {
if (**(++argv)== '-') {
switch (key = keyword(1 + *argv)) {
@@ -1398,8 +1431,8 @@ retry2:
static void
monitor(int argc, char *argv[])
{
- int n, fib, error;
- char msg[2048], *endptr;
+ int fib, error;
+ char *endptr;
fib = defaultfib;
while (argc > 1) {
@@ -1435,6 +1468,19 @@ monitor(int argc, char *argv[])
interfaces();
exit(0);
}
+#ifdef WITHOUT_NETLINK
+ monitor_rtsock();
+#else
+ monitor_nl(fib);
+#endif
+}
+
+#ifdef WITHOUT_NETLINK
+static void
+monitor_rtsock(void)
+{
+ char msg[2048];
+ int n;
#ifdef SO_RERROR
n = 1;
@@ -1454,25 +1500,12 @@ monitor(int argc, char *argv[])
print_rtmsg((struct rt_msghdr *)(void *)msg, n);
}
}
+#endif
static int
rtmsg(int cmd, int flags, int fib)
{
- int rlen;
- char *cp = m_rtmsg.m_space;
- int l;
-
-#define NEXTADDR(w, u) \
- if (rtm_addrs & (w)) { \
- l = SA_SIZE(&(u)); \
- memmove(cp, (char *)&(u), l); \
- cp += l; \
- if (verbose) \
- sodump((struct sockaddr *)&(u), #w); \
- }
-
errno = 0;
- memset(&m_rtmsg, 0, sizeof(m_rtmsg));
if (cmd == 'a')
cmd = RTM_ADD;
else if (cmd == 'c')
@@ -1488,6 +1521,33 @@ rtmsg(int cmd, int flags, int fib)
cmd = RTM_DELETE;
flags |= RTF_PINNED;
}
+#ifdef WITHOUT_NETLINK
+ return (rtmsg_rtsock(cmd, flags, fib));
+#else
+ errno = rtmsg_nl(cmd, flags, fib, so, &rt_metrics);
+ return (errno == 0 ? 0 : -1);
+#endif
+}
+
+#ifdef WITHOUT_NETLINK
+static int
+rtmsg_rtsock(int cmd, int flags, int fib)
+{
+ int rlen;
+ char *cp = m_rtmsg.m_space;
+ int l;
+
+ memset(&m_rtmsg, 0, sizeof(m_rtmsg));
+
+#define NEXTADDR(w, u) \
+ if (rtm_addrs & (w)) { \
+ l = SA_SIZE(&(u)); \
+ memmove(cp, (char *)&(u), l); \
+ cp += l; \
+ if (verbose) \
+ sodump((struct sockaddr *)&(u), #w); \
+ }
+
#define rtm m_rtmsg.m_rtm
rtm.rtm_type = cmd;
rtm.rtm_flags = flags;
@@ -1545,6 +1605,7 @@ rtmsg(int cmd, int flags, int fib)
#undef rtm
return (0);
}
+#endif
static const char *const msgtypes[] = {
"",
@@ -1571,7 +1632,7 @@ static const char *const msgtypes[] = {
static const char metricnames[] =
"\011weight\010rttvar\7rtt\6ssthresh\5sendpipe\4recvpipe\3expire"
"\1mtu";
-static const char routeflags[] =
+const char routeflags[] =
"\1UP\2GATEWAY\3HOST\4REJECT\5DYNAMIC\6MODIFIED\7DONE"
"\012XRESOLVE\013LLINFO\014STATIC\015BLACKHOLE"
"\017PROTO2\020PROTO1\021PRCLONING\022WASCLONED\023PROTO3"
@@ -1812,7 +1873,7 @@ pmsg_addrs(char *cp, int addrs, size_t len)
(void)fflush(stdout);
}
-static void
+void
printb(int b, const char *str)
{
int i;
generated by cgit v1.3 (git 2.53.0) at 2026-08-08 15:49:02 +0000