[src/trunk]: src/external/bsd/dhcpcd/dist/src Sync

[roy <roy%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/edecd08a7024
branches:  trunk
changeset: 832920:edecd08a7024
user:      roy <roy%NetBSD.org@localhost>
date:      Sat Jun 02 09:44:27 2018 +0000

description:
Sync

diffstat:

 external/bsd/dhcpcd/dist/src/bpf.c        |   6 +++---
 external/bsd/dhcpcd/dist/src/dhcp.c       |  10 ++++++++--
 external/bsd/dhcpcd/dist/src/dhcpcd.c     |  28 ++++++++++++++++------------
 external/bsd/dhcpcd/dist/src/if-options.c |   5 +----
 4 files changed, 28 insertions(+), 21 deletions(-)

diffs (147 lines):

diff -r f2d7cbba359a -r edecd08a7024 external/bsd/dhcpcd/dist/src/bpf.c
--- a/external/bsd/dhcpcd/dist/src/bpf.c        Sat Jun 02 09:42:48 2018 +0000
+++ b/external/bsd/dhcpcd/dist/src/bpf.c        Sat Jun 02 09:44:27 2018 +0000
@@ -108,7 +108,7 @@
        size_t buf_len;
        struct bpf_version pv;
 #ifdef BIOCIMMEDIATE
-       int flags;
+       unsigned int flags;
 #endif
 #ifndef O_CLOEXEC
        int fd_opts;
@@ -411,7 +411,7 @@
        /* Make sure the hardware length matches. */
        BPF_STMT(BPF_LD + BPF_B + BPF_IND, offsetof(struct arphdr, ar_hln)),
        BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K,
-                sizeof((struct ether_arp *)0)->arp_sha, 1, 0),
+                sizeof(((struct ether_arp *)0)->arp_sha), 1, 0),
        BPF_STMT(BPF_RET + BPF_K, 0),
 };
 #define bpf_arp_ether_len      __arraycount(bpf_arp_ether)
@@ -540,7 +540,7 @@
 #define BPF_BOOTP_ETHER_LEN    __arraycount(bpf_bootp_ether)
 
 static const struct bpf_insn bpf_bootp_filter[] = {
-       /* Make sure it's an IPv4 packet. */
+       /* Make sure it's an optionless IPv4 packet. */
        BPF_STMT(BPF_LD + BPF_B + BPF_IND, 0),
        BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, 0x45, 1, 0),
        BPF_STMT(BPF_RET + BPF_K, 0),
diff -r f2d7cbba359a -r edecd08a7024 external/bsd/dhcpcd/dist/src/dhcp.c
--- a/external/bsd/dhcpcd/dist/src/dhcp.c       Sat Jun 02 09:42:48 2018 +0000
+++ b/external/bsd/dhcpcd/dist/src/dhcp.c       Sat Jun 02 09:44:27 2018 +0000
@@ -3276,7 +3276,7 @@
        struct bootp_pkt *p;
        uint16_t bytes;
 
-       if (data_len < sizeof(p->ip) + sizeof(p->udp)) {
+       if (data_len < sizeof(p->ip)) {
                if (from)
                        from->s_addr = INADDR_ANY;
                errno = ERANGE;
@@ -3291,6 +3291,12 @@
        }
 
        bytes = ntohs(p->ip.ip_len);
+       /* Check we have a payload */
+       if (bytes <= sizeof(p->ip) + sizeof(p->udp)) {
+               errno = ERANGE;
+               return -1;
+       }
+       /* Check we don't go beyond the payload */
        if (bytes > data_len) {
                errno = ENOBUFS;
                return -1;
@@ -3334,7 +3340,7 @@
                             state->bpf_flags & RAW_PARTIALCSUM) == -1)
        {
                if (errno == EINVAL)
-                       logerrx("%s: UDP checksum failure from %s",
+                       logerrx("%s: checksum failure from %s",
                          ifp->name, inet_ntoa(from));
                else
                        logerr("%s: invalid UDP packet from %s",
diff -r f2d7cbba359a -r edecd08a7024 external/bsd/dhcpcd/dist/src/dhcpcd.c
--- a/external/bsd/dhcpcd/dist/src/dhcpcd.c     Sat Jun 02 09:42:48 2018 +0000
+++ b/external/bsd/dhcpcd/dist/src/dhcpcd.c     Sat Jun 02 09:44:27 2018 +0000
@@ -770,20 +770,23 @@
 }
 
 static void
-warn_iaid_conflict(struct interface *ifp, uint8_t *iaid)
+warn_iaid_conflict(struct interface *ifp, uint16_t ia_type, uint8_t *iaid)
 {
        struct interface *ifn;
        size_t i;
+       struct if_ia *ia;
 
        TAILQ_FOREACH(ifn, ifp->ctx->ifaces, next) {
                if (ifn == ifp || !ifn->active)
                        continue;
-               if (memcmp(ifn->options->iaid, iaid,
+               if (ia_type == 0 &&
+                   memcmp(ifn->options->iaid, iaid,
                    sizeof(ifn->options->iaid)) == 0)
                        break;
                for (i = 0; i < ifn->options->ia_len; i++) {
-                       if (memcmp(&ifn->options->ia[i].iaid, iaid,
-                           sizeof(ifn->options->ia[i].iaid)) == 0)
+                       ia = &ifn->options->ia[i];
+                       if (ia->ia_type == ia_type &&
+                           memcmp(ia->iaid, iaid, sizeof(ia->iaid)) == 0)
                                break;
                }
        }
@@ -839,20 +842,21 @@
        }
 
        if (ifo->options & (DHCPCD_DUID | DHCPCD_IPV6)) {
+               struct if_ia *ia;
+
                /* Report IAIDs */
                loginfox("%s: IAID %s", ifp->name,
                    hwaddr_ntoa(ifo->iaid, sizeof(ifo->iaid),
                    buf, sizeof(buf)));
-               warn_iaid_conflict(ifp, ifo->iaid);
+               warn_iaid_conflict(ifp, 0, ifo->iaid);
                for (i = 0; i < ifo->ia_len; i++) {
-                       if (memcmp(ifo->iaid, ifo->ia[i].iaid,
-                           sizeof(ifo->iaid)))
-                       {
-                               loginfox("%s: IAID %s",
-                                   ifp->name, hwaddr_ntoa(ifo->ia[i].iaid,
-                                   sizeof(ifo->ia[i].iaid),
+                       ia = &ifo->ia[i];
+                       if (memcmp(ifo->iaid, ia->iaid, sizeof(ifo->iaid))) {
+                               loginfox("%s: IA type %u IAID %s",
+                                   ifp->name, ia->ia_type,
+                                   hwaddr_ntoa(ia->iaid, sizeof(ia->iaid),
                                    buf, sizeof(buf)));
-                               warn_iaid_conflict(ifp, ifo->ia[i].iaid);
+                               warn_iaid_conflict(ifp, ia->ia_type, ia->iaid);
                        }
                }
        }
diff -r f2d7cbba359a -r edecd08a7024 external/bsd/dhcpcd/dist/src/if-options.c
--- a/external/bsd/dhcpcd/dist/src/if-options.c Sat Jun 02 09:42:48 2018 +0000
+++ b/external/bsd/dhcpcd/dist/src/if-options.c Sat Jun 02 09:44:27 2018 +0000
@@ -1360,6 +1360,7 @@
                for (sl = 0; sl < ifo->ia_len; sl++) {
                        if ((arg == NULL && !ifo->ia[sl].iaid_set) ||
                            (arg != NULL && ifo->ia[sl].iaid_set &&
+                           ifo->ia[sl].ia_type == (uint16_t)i &&
                            ifo->ia[sl].iaid[0] == iaid[0] &&
                            ifo->ia[sl].iaid[1] == iaid[1] &&
                            ifo->ia[sl].iaid[2] == iaid[2] &&
@@ -1369,10 +1370,6 @@
                                break;
                        }
                }
-               if (ia && ia->ia_type != (uint16_t)i) {
-                       logerrx("Cannot mix IA for the same IAID");
-                       break;
-               }
                if (ia == NULL) {
                        ia = reallocarray(ifo->ia,
                            ifo->ia_len + 1, sizeof(*ifo->ia));