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As a refection of r215802 it should use BPF interfaces because the

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duplication code of USB pf is removed.
This commit is contained in:
Weongyo Jeong 2010-11-24 19:15:26 +00:00
parent e376f9c3e7
commit 6d926c73ae
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=215803
1 changed files with 39 additions and 37 deletions
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76
usr.sbin/usbdump/usbdump.c
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@ -32,8 +32,11 @@
#include <sys/param.h>
#include <sys/endian.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/utsname.h>
#include <net/if.h>
#include <net/bpf.h>
#include <dev/usb/usb.h>
#include <dev/usb/usb_pf.h>
#include <dev/usb/usbdi.h>
@ -216,7 +219,7 @@ hexdump(const char *region, size_t len)
}
static void
print_apacket(const struct usbpf_xhdr *hdr, struct usbpf_pkthdr *up,
print_apacket(const struct bpf_xhdr *hdr, struct usbpf_pkthdr *up,
const char *payload)
{
struct tm *tm;
@ -235,8 +238,8 @@ print_apacket(const struct usbpf_xhdr *hdr, struct usbpf_pkthdr *up,
up->up_error = le32toh(up->up_error);
up->up_interval = le32toh(up->up_interval);
tv.tv_sec = hdr->uh_tstamp.ut_sec;
tv.tv_usec = hdr->uh_tstamp.ut_frac;
tv.tv_sec = hdr->bh_tstamp.bt_sec;
tv.tv_usec = hdr->bh_tstamp.bt_frac;
tm = localtime(&tv.tv_sec);
len = strftime(buf, sizeof(buf), "%H:%M:%S", tm);
@ -267,20 +270,19 @@ print_apacket(const struct usbpf_xhdr *hdr, struct usbpf_pkthdr *up,
print_status(up->up_status);
}
}
static void
print_packets(char *data, const int datalen)
{
struct usbpf_pkthdr *up;
const struct usbpf_xhdr *hdr;
const struct bpf_xhdr *hdr;
u_int32_t framelen, x;
char *ptr, *next;
for (ptr = data; ptr < (data + datalen); ptr = next) {
hdr = (const struct usbpf_xhdr *)ptr;
up = (struct usbpf_pkthdr *)(ptr + hdr->uh_hdrlen);
next = ptr + USBPF_WORDALIGN(hdr->uh_hdrlen + hdr->uh_caplen);
hdr = (const struct bpf_xhdr *)ptr;
up = (struct usbpf_pkthdr *)(ptr + hdr->bh_hdrlen);
next = ptr + BPF_WORDALIGN(hdr->bh_hdrlen + hdr->bh_caplen);
ptr = ((char *)up) + sizeof(struct usbpf_pkthdr);
if (w_arg == NULL)
@ -404,12 +406,12 @@ int
main(int argc, char *argv[])
{
struct timeval tv;
struct usbpf_insn total_insn;
struct usbpf_program total_prog;
struct usbpf_stat us;
struct usbpf_version uv;
struct bpf_insn total_insn;
struct bpf_program total_prog;
struct bpf_stat us;
struct bpf_version bv;
struct usbcap uc, *p = &uc;
struct usbpf_ifreq ufr;
struct ifreq ifr;
long snapshot = 192;
u_int v;
int fd, o;
@ -454,37 +456,37 @@ main(int argc, char *argv[])
exit(EXIT_SUCCESS);
}
p->fd = fd = open("/dev/usbpf", O_RDONLY);
p->fd = fd = open("/dev/bpf", O_RDONLY);
if (p->fd < 0) {
fprintf(stderr, "(no devices found)\n");
return (EXIT_FAILURE);
}
if (ioctl(fd, UIOCVERSION, (caddr_t)&uv) < 0) {
fprintf(stderr, "UIOCVERSION: %s\n", strerror(errno));
if (ioctl(fd, BIOCVERSION, (caddr_t)&bv) < 0) {
fprintf(stderr, "BIOCVERSION: %s\n", strerror(errno));
return (EXIT_FAILURE);
}
if (uv.uv_major != USBPF_MAJOR_VERSION ||
uv.uv_minor < USBPF_MINOR_VERSION) {
if (bv.bv_major != BPF_MAJOR_VERSION ||
bv.bv_minor < BPF_MINOR_VERSION) {
fprintf(stderr, "kernel bpf filter out of date");
return (EXIT_FAILURE);
}
if ((ioctl(fd, UIOCGBLEN, (caddr_t)&v) < 0) || v < 65536)
v = 65536;
if ((ioctl(fd, BIOCGBLEN, (caddr_t)&v) < 0) || v < 4096)
v = 4096;
for ( ; v != 0; v >>= 1) {
(void)ioctl(fd, UIOCSBLEN, (caddr_t)&v);
(void)strncpy(ufr.ufr_name, i_arg, sizeof(ufr.ufr_name));
if (ioctl(fd, UIOCSETIF, (caddr_t)&ufr) >= 0)
(void)ioctl(fd, BIOCSBLEN, (caddr_t)&v);
(void)strncpy(ifr.ifr_name, i_arg, sizeof(ifr.ifr_name));
if (ioctl(fd, BIOCSETIF, (caddr_t)&ifr) >= 0)
break;
}
if (v == 0) {
fprintf(stderr, "UIOCSBLEN: %s: No buffer size worked", i_arg);
fprintf(stderr, "BIOCSBLEN: %s: No buffer size worked", i_arg);
return (EXIT_FAILURE);
}
if (ioctl(fd, UIOCGBLEN, (caddr_t)&v) < 0) {
fprintf(stderr, "UIOCGBLEN: %s", strerror(errno));
if (ioctl(fd, BIOCGBLEN, (caddr_t)&v) < 0) {
fprintf(stderr, "BIOCGBLEN: %s", strerror(errno));
return (EXIT_FAILURE);
}
@ -496,23 +498,23 @@ main(int argc, char *argv[])
}
/* XXX no read filter rules yet so at this moment accept everything */
total_insn.code = (u_short)(USBPF_RET | USBPF_K);
total_insn.code = (u_short)(BPF_RET | BPF_K);
total_insn.jt = 0;
total_insn.jf = 0;
total_insn.k = snapshot;
total_prog.uf_len = 1;
total_prog.uf_insns = &total_insn;
if (ioctl(p->fd, UIOCSETF, (caddr_t)&total_prog) < 0) {
fprintf(stderr, "UIOCSETF: %s", strerror(errno));
total_prog.bf_len = 1;
total_prog.bf_insns = &total_insn;
if (ioctl(p->fd, BIOCSETF, (caddr_t)&total_prog) < 0) {
fprintf(stderr, "BIOCSETF: %s", strerror(errno));
return (EXIT_FAILURE);
}
/* 1 second read timeout */
tv.tv_sec = 1;
tv.tv_usec = 0;
if (ioctl(p->fd, UIOCSRTIMEOUT, (caddr_t)&tv) < 0) {
fprintf(stderr, "UIOCSRTIMEOUT: %s", strerror(errno));
if (ioctl(p->fd, BIOCSRTIMEOUT, (caddr_t)&tv) < 0) {
fprintf(stderr, "BIOCSRTIMEOUT: %s", strerror(errno));
return (EXIT_FAILURE);
}
@ -520,16 +522,16 @@ main(int argc, char *argv[])
do_loop(p);
if (ioctl(fd, UIOCGSTATS, (caddr_t)&us) < 0) {
fprintf(stderr, "UIOCGSTATS: %s", strerror(errno));
if (ioctl(fd, BIOCGSTATS, (caddr_t)&us) < 0) {
fprintf(stderr, "BIOCGSTATS: %s", strerror(errno));
return (EXIT_FAILURE);
}
/* XXX what's difference between pkt_captured and us.us_recv? */
printf("\n");
printf("%d packets captured\n", pkt_captured);
printf("%d packets received by filter\n", us.us_recv);
printf("%d packets dropped by kernel\n", us.us_drop);
printf("%d packets received by filter\n", us.bs_recv);
printf("%d packets dropped by kernel\n", us.bs_drop);
if (p->fd > 0)
close(p->fd);