diff options
Diffstat (limited to 'bpf.c')
| -rw-r--r-- | bpf.c | 25 |
1 files changed, 22 insertions, 3 deletions
@@ -51,6 +51,9 @@ static char copyright[] = #include <sys/uio.h> #include <net/bpf.h> +#ifdef NEED_OSF_PFILT_HACKS +#include <net/pfilt.h> +#endif #include <netinet/in_systm.h> #include <netinet/ip.h> #include <netinet/udp.h> @@ -71,9 +74,9 @@ int if_register_bpf (info, ifp) /* Open a BPF device */ for (b = 0; 1; b++) { #ifndef NO_SNPRINTF - snprintf(filename, sizeof(filename), "/dev/bpf%d", b); + snprintf(filename, sizeof(filename), BPF_FORMAT, b); #else - sprintf(filename, "/dev/bpf%d", b); + sprintf(filename, BPF_FORMAT, b); #endif sock = open (filename, O_RDWR, 0); if (sock < 0) { @@ -161,6 +164,7 @@ void if_register_receive (info, interface) struct bpf_version v; u_int32_t addr; struct bpf_program p; + u_int32_t bits; /* Open a BPF device and hang it on this interface... */ info -> rfdesc = if_register_bpf (info, interface); @@ -179,6 +183,21 @@ void if_register_receive (info, interface) if (ioctl (info -> rfdesc, BIOCIMMEDIATE, &flag) < 0) error ("Can't set immediate mode on bpf device: %m"); +#ifdef NEED_OSF_PFILT_HACKS + /* Allow the copyall flag to be set... */ + if (ioctl(info -> rfdesc, EIOCALLOWCOPYALL, &flag) < 0) + error ("Can't set ALLOWCOPYALL: %m"); + + /* Clear all the packet filter mode bits first... */ + bits = 0; + if (ioctl (info -> rfdesc, EIOCMBIS, &bits) < 0) + error ("Can't clear pfilt bits: %m"); + + /* Set the ENBATCH, ENCOPYALL, ENBPFHDR bits... */ + bits = ENBATCH | ENCOPYALL | ENBPFHDR; + if (ioctl (info -> rfdesc, EIOCMBIS, &bits) < 0) + error ("Can't set ENBATCH|ENCOPYALL|ENBPFHDR: %m"); +#endif /* Get the required BPF buffer length from the kernel. */ if (ioctl (info -> rfdesc, BIOCGBLEN, &info -> rbuf_max) < 0) error ("Can't get bpf buffer length: %m"); @@ -226,7 +245,7 @@ size_t send_packet (interface, packet, raw, len, to, hto) (unsigned char *)raw, len); /* Fire it off */ - iov [0].iov_base = buf; + iov [0].iov_base = (char *)buf; iov [0].iov_len = bufp; iov [1].iov_base = (char *)raw; iov [1].iov_len = len; |