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[src/trunk]: src/external/bsd/dhcpcd/dist/src Sync
details: https://anonhg.NetBSD.org/src/rev/c3781e42b722
branches: trunk
changeset: 828783:c3781e42b722
user: roy <roy%NetBSD.org@localhost>
date: Mon Jan 01 11:50:56 2018 +0000
description:
Sync
diffstat:
external/bsd/dhcpcd/dist/src/bpf.c | 2 +-
external/bsd/dhcpcd/dist/src/dhcp.c | 103 +++++++++++++++++++++++------
external/bsd/dhcpcd/dist/src/dhcpcd.c | 28 ++++++-
external/bsd/dhcpcd/dist/src/if-options.c | 2 +-
4 files changed, 105 insertions(+), 30 deletions(-)
diffs (truncated from 336 to 300 lines):
diff -r a4c51ad3e340 -r c3781e42b722 external/bsd/dhcpcd/dist/src/bpf.c
--- a/external/bsd/dhcpcd/dist/src/bpf.c Mon Jan 01 11:48:51 2018 +0000
+++ b/external/bsd/dhcpcd/dist/src/bpf.c Mon Jan 01 11:50:56 2018 +0000
@@ -1,6 +1,6 @@
/*
* dhcpcd: BPF arp and bootp filtering
- * Copyright (c) 2006-2017 Roy Marples <roy%marples.name@localhost>
+ * Copyright (c) 2006-2018 Roy Marples <roy%marples.name@localhost>
* All rights reserved
* Redistribution and use in source and binary forms, with or without
diff -r a4c51ad3e340 -r c3781e42b722 external/bsd/dhcpcd/dist/src/dhcp.c
--- a/external/bsd/dhcpcd/dist/src/dhcp.c Mon Jan 01 11:48:51 2018 +0000
+++ b/external/bsd/dhcpcd/dist/src/dhcp.c Mon Jan 01 11:50:56 2018 +0000
@@ -1,6 +1,6 @@
/*
* dhcpcd - DHCP client daemon
- * Copyright (c) 2006-2017 Roy Marples <roy%marples.name@localhost>
+ * Copyright (c) 2006-2018 Roy Marples <roy%marples.name@localhost>
* All rights reserved
* Redistribution and use in source and binary forms, with or without
@@ -777,7 +777,8 @@
(type == DHCP_INFORM || type == DHCP_RELEASE ||
(type == DHCP_REQUEST &&
state->addr->mask.s_addr == lease->mask.s_addr &&
- (state->new == NULL || IS_DHCP(state->new)))))
+ (state->new == NULL || IS_DHCP(state->new)) &&
+ !(state->added & STATE_FAKE))))
bootp->ciaddr = state->addr->addr.s_addr;
bootp->op = BOOTREQUEST;
@@ -845,6 +846,7 @@
if (type == DHCP_DECLINE ||
(type == DHCP_REQUEST &&
(state->addr == NULL ||
+ state->added & STATE_FAKE ||
lease->addr.s_addr != state->addr->addr.s_addr)))
{
PUT_ADDR(DHO_IPADDRESS, &lease->addr);
@@ -1587,10 +1589,6 @@
int s;
struct sockaddr_in sin;
int n;
- struct dhcp_state *state;
-#ifdef SO_BINDTODEVICE
- struct ifreq ifr;
-#endif
if ((s = xsocket(PF_INET, SOCK_DGRAM|SOCK_CLOEXEC, IPPROTO_UDP)) == -1)
return -1;
@@ -1598,20 +1596,12 @@
n = 1;
if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &n, sizeof(n)) == -1)
goto eexit;
-#ifdef SO_BINDTODEVICE
- if (ifp) {
- memset(&ifr, 0, sizeof(ifr));
- strlcpy(ifr.ifr_name, ifp->name, sizeof(ifr.ifr_name));
- if (setsockopt(s, SOL_SOCKET, SO_BINDTODEVICE, &ifr,
- sizeof(ifr)) == -1)
- goto eexit;
- }
-#endif
memset(&sin, 0, sizeof(sin));
sin.sin_family = AF_INET;
sin.sin_port = htons(BOOTPC);
if (ifp) {
- state = D_STATE(ifp);
+ struct dhcp_state *state = D_STATE(ifp);
+
if (state->addr)
sin.sin_addr.s_addr = state->addr->addr.s_addr;
}
@@ -1694,6 +1684,63 @@
return udpp;
}
+static ssize_t
+dhcp_sendudp(struct interface *ifp, struct in_addr *to, void *data, size_t len)
+{
+ int s;
+ struct msghdr msg;
+ struct sockaddr_in sin;
+ struct iovec iov[1];
+ ssize_t r;
+#ifdef IP_PKTINFO
+ uint8_t cmsg[CMSG_SPACE(sizeof(struct in_pktinfo))];
+ struct cmsghdr *cm;
+ struct in_pktinfo ipi;
+#endif
+
+ iov[0].iov_base = data;
+ iov[0].iov_len = len;
+
+ memset(&sin, 0, sizeof(sin));
+ sin.sin_family = AF_INET;
+ sin.sin_addr = *to;
+ sin.sin_port = htons(BOOTPS);
+#ifdef HAVE_SA_LEN
+ sin.sin_len = sizeof(sin);
+#endif
+
+ memset(&msg, 0, sizeof(msg));
+ msg.msg_name = (void *)&sin;
+ msg.msg_namelen = sizeof(sin);
+ msg.msg_iov = iov;
+ msg.msg_iovlen = 1;
+
+#ifdef IP_PKTINFO
+ /* Set the outbound interface */
+ msg.msg_control = cmsg;
+ msg.msg_controllen = sizeof(cmsg);
+
+ memset(&ipi, 0, sizeof(ipi));
+ ipi.ipi_ifindex = ifp->index;
+ cm = CMSG_FIRSTHDR(&msg);
+ if (cm == NULL) {
+ errno = ESRCH;
+ return -1;
+ }
+ cm->cmsg_level = IPPROTO_IP;
+ cm->cmsg_type = IP_PKTINFO;
+ cm->cmsg_len = CMSG_LEN(sizeof(ipi));
+ memcpy(CMSG_DATA(cm), &ipi, sizeof(ipi));
+#endif
+
+ s = dhcp_openudp(ifp);
+ if (s == -1)
+ return -1;
+ r = sendmsg(s, &msg, 0);
+ close(s);
+ return r;
+}
+
static void
send_message(struct interface *ifp, uint8_t type,
void (*callback)(void *))
@@ -1738,9 +1785,6 @@
timespec_to_double(&tv));
}
- if (dhcp_openbpf(ifp) == -1)
- return;
-
r = make_message(&bootp, ifp, type);
if (r == -1)
goto fail;
@@ -1750,6 +1794,18 @@
to.s_addr = state->lease.server.s_addr;
else
to.s_addr = INADDR_ANY;
+
+ /* If unicasting, try and void sending by BPF so we don't
+ * use a L2 broadcast. */
+ if (to.s_addr != INADDR_ANY && to.s_addr != INADDR_BROADCAST) {
+ if (dhcp_sendudp(ifp, &to, bootp, len) != -1)
+ goto out;
+ logerr("%s: dhcp_sendudp", ifp->name);
+ }
+
+ if (dhcp_openbpf(ifp) == -1)
+ goto out;
+
udp = dhcp_makeudppacket(&ulen, (uint8_t *)bootp, len, from, to);
if (udp == NULL) {
logerr("%s: dhcp_makeudppacket", ifp->name);
@@ -1780,6 +1836,8 @@
callback = NULL;
}
}
+
+out:
free(bootp);
fail:
@@ -1972,7 +2030,7 @@
ifp->name, lease->leasetime - lease->rebindtime);
state->state = DHS_REBIND;
eloop_timeout_delete(ifp->ctx->eloop, send_renew, ifp);
- state->lease.server.s_addr = 0;
+ state->lease.server.s_addr = INADDR_ANY;
state->interval = 0;
ifp->options->options &= ~(DHCPCD_CSR_WARNED |
DHCPCD_ROUTER_HOST_ROUTE_WARNED);
@@ -2327,7 +2385,6 @@
eloop_timeout_delete(ifp->ctx->eloop, NULL, ifp);
state = D_STATE(ifp);
- state->state = DHS_PROBE;
addr.s_addr = state->offer->yiaddr == INADDR_ANY ?
state->offer->ciaddr : state->offer->yiaddr;
/* If the interface already has the address configured
@@ -2340,6 +2397,7 @@
#ifdef IN_IFF_TENTATIVE
if (ia == NULL || ia->addr_flags & IN_IFF_NOTUSEABLE) {
+ state->state = DHS_PROBE;
if (ia == NULL) {
struct dhcp_lease l;
@@ -2355,6 +2413,7 @@
if (ifp->options->options & DHCPCD_ARP && ia == NULL) {
struct dhcp_lease l;
+ state->state = DHS_PROBE;
get_lease(ifp, &l, state->offer, state->offer_len);
loginfox("%s: probing address %s/%d",
ifp->name, inet_ntoa(l.addr), inet_ntocidr(l.mask));
@@ -2570,7 +2629,7 @@
#endif
dhcp_new_xid(ifp);
- state->lease.server.s_addr = 0;
+ state->lease.server.s_addr = INADDR_ANY;
eloop_timeout_delete(ifp->ctx->eloop, NULL, ifp);
#ifdef IPV4LL
diff -r a4c51ad3e340 -r c3781e42b722 external/bsd/dhcpcd/dist/src/dhcpcd.c
--- a/external/bsd/dhcpcd/dist/src/dhcpcd.c Mon Jan 01 11:48:51 2018 +0000
+++ b/external/bsd/dhcpcd/dist/src/dhcpcd.c Mon Jan 01 11:50:56 2018 +0000
@@ -1,6 +1,6 @@
/*
* dhcpcd - DHCP client daemon
- * Copyright (c) 2006-2017 Roy Marples <roy%marples.name@localhost>
+ * Copyright (c) 2006-2018 Roy Marples <roy%marples.name@localhost>
* All rights reserved
* Redistribution and use in source and binary forms, with or without
@@ -25,7 +25,7 @@
* SUCH DAMAGE.
*/
-const char dhcpcd_copyright[] = "Copyright (c) 2006-2017 Roy Marples";
+const char dhcpcd_copyright[] = "Copyright (c) 2006-2018 Roy Marples";
#include <sys/file.h>
#include <sys/socket.h>
@@ -438,7 +438,7 @@
~(DHCPCD_IPV6RS | DHCPCD_DHCP6 | DHCPCD_WAITIP6);
/* We want to disable kernel interface RA as early as possible. */
- if (ifo->options & DHCPCD_IPV6RS &&
+ if (ifp->active == IF_ACTIVE_USER &&
!(ifp->ctx->options & DHCPCD_DUMPLEASE))
{
int ra_global, ra_iface;
@@ -975,6 +975,7 @@
dhcpcd_handleinterface(void *arg, int action, const char *ifname)
{
struct dhcpcd_ctx *ctx;
+ struct ifaddrs *ifaddrs;
struct if_head *ifs;
struct interface *ifp, *iff, *ifn;
const char * const argv[] = { ifname };
@@ -998,7 +999,7 @@
}
i = -1;
- ifs = if_discover(ctx, -1, UNCONST(argv));
+ ifs = if_discover(ctx, &ifaddrs, -1, UNCONST(argv));
if (ifs == NULL) {
logerr(__func__);
return -1;
@@ -1043,6 +1044,17 @@
dhcpcd_prestartinterface(iff);
}
+ if_learnaddrs(ctx, ifs, &ifaddrs);
+
+ /* Now we have learned addresses, start the interface */
+ TAILQ_FOREACH_SAFE(ifp, ifs, next, ifn) {
+ if (strcmp(ifp->name, ifname) != 0)
+ continue;
+ iff = if_find(ctx->ifaces, ifp->name);
+ if (action > 0 && iff->active)
+ dhcpcd_prestartinterface(iff);
+ }
+
/* Free our discovered list */
while ((ifp = TAILQ_FIRST(ifs))) {
TAILQ_REMOVE(ifs, ifp, next);
@@ -1403,6 +1415,7 @@
main(int argc, char **argv)
{
struct dhcpcd_ctx ctx;
+ struct ifaddrs *ifaddrs = NULL;
struct if_options *ifo;
struct interface *ifp;
uint16_t family = 0;
@@ -1678,7 +1691,7 @@
if (optind != argc) {
/* We need to try and find the interface so we can load
* the hardware address to compare automated IAID */
- ctx.ifaces = if_discover(&ctx,
+ ctx.ifaces = if_discover(&ctx, &ifaddrs,
argc - optind, argv + optind);
} else {
if ((ctx.ifaces = malloc(sizeof(*ctx.ifaces))) != NULL)
@@ -1842,7 +1855,7 @@
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