diff options
Diffstat (limited to 'sbin/dhclient/bpf.c')
| -rw-r--r-- | sbin/dhclient/bpf.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/sbin/dhclient/bpf.c b/sbin/dhclient/bpf.c index 30490fdd5b1..7106a00937f 100644 --- a/sbin/dhclient/bpf.c +++ b/sbin/dhclient/bpf.c @@ -1,4 +1,4 @@ -/* $OpenBSD: bpf.c,v 1.63 2017/07/24 16:17:35 krw Exp $ */ +/* $OpenBSD: bpf.c,v 1.64 2017/09/14 00:10:17 krw Exp $ */ /* BPF socket interface code, originally contributed by Archie Cobbs. */ @@ -72,12 +72,12 @@ get_bpf_sock(char *name) int sock; if ((sock = open("/dev/bpf", O_RDWR | O_CLOEXEC)) == -1) - fatal("Can't open bpf"); + fatal("open(/dev/bpf)"); /* Set the BPF device to point at this interface. */ strlcpy(ifr.ifr_name, name, IFNAMSIZ); if (ioctl(sock, BIOCSETIF, &ifr) == -1) - fatal("Can't attach interface %s to /dev/bpf", name); + fatal("BIOCSETIF"); return sock; } @@ -91,7 +91,7 @@ get_udp_sock(int rdomain) * Use raw socket for unicast send. */ if ((sock = socket(AF_INET, SOCK_RAW, IPPROTO_UDP)) == -1) - fatal("socket(SOCK_RAW)"); + fatal("socket(AF_INET, SOCK_RAW)"); if (setsockopt(sock, IPPROTO_IP, IP_HDRINCL, &on, sizeof(on)) == -1) fatal("setsockopt(IP_HDRINCL)"); @@ -186,12 +186,12 @@ configure_bpf_sock(int bfdesc) /* Make sure the BPF version is in range. */ if (ioctl(bfdesc, BIOCVERSION, &v) == -1) - fatal("Can't get BPF version"); + fatal("BIOCVERSION"); if (v.bv_major != BPF_MAJOR_VERSION || v.bv_minor < BPF_MINOR_VERSION) - fatalx("Kernel BPF version out of range - recompile " - "dhclient!"); + fatalx("kernel BPF version out of range - recompile " + "dhclient"); /* * Set immediate mode so that reads return as soon as a packet @@ -199,14 +199,14 @@ configure_bpf_sock(int bfdesc) * with packets. */ if (ioctl(bfdesc, BIOCIMMEDIATE, &flag) == -1) - fatal("Can't set immediate mode on bpf device"); + fatal("BIOCIMMEDIATE"); if (ioctl(bfdesc, BIOCSFILDROP, &flag) == -1) - fatal("Can't set filter-drop mode on bpf device"); + fatal("BIOCSFILDROP"); /* Get the required BPF buffer length from the kernel. */ if (ioctl(bfdesc, BIOCGBLEN, &sz) == -1) - fatal("Can't get bpf buffer length"); + fatal("BIOCGBLEN"); /* Set up the bpf filter program structure. */ p.bf_len = dhcp_bpf_filter_len; @@ -220,7 +220,7 @@ configure_bpf_sock(int bfdesc) dhcp_bpf_filter[8].k = LOCAL_PORT; if (ioctl(bfdesc, BIOCSETF, &p) == -1) - fatal("Can't install packet filter program"); + fatal("BIOCSETF"); /* Set up the bpf write filter program structure. */ p.bf_len = dhcp_bpf_wfilter_len; @@ -230,10 +230,10 @@ configure_bpf_sock(int bfdesc) dhcp_bpf_wfilter[7].k = htons(IP_MF|IP_OFFMASK); if (ioctl(bfdesc, BIOCSETWF, &p) == -1) - fatal("Can't install write filter program"); + fatal("BIOCSETWF"); if (ioctl(bfdesc, BIOCLOCK, NULL) == -1) - fatal("Cannot lock bpf"); + fatal("BIOCLOCK"); return sz; } |