diff options
Diffstat (limited to 'contrib/ipfilter/ipsd/sdlpi.c')
| -rw-r--r-- | contrib/ipfilter/ipsd/sdlpi.c | 259 |
1 files changed, 0 insertions, 259 deletions
diff --git a/contrib/ipfilter/ipsd/sdlpi.c b/contrib/ipfilter/ipsd/sdlpi.c deleted file mode 100644 index baede7c..0000000 --- a/contrib/ipfilter/ipsd/sdlpi.c +++ /dev/null @@ -1,259 +0,0 @@ -/* - * (C)opyright 1992-1998 Darren Reed. (from tcplog) - * - * See the IPFILTER.LICENCE file for details on licencing. - * - */ - -#include <stdio.h> -#include <netdb.h> -#include <ctype.h> -#include <fcntl.h> -#include <signal.h> -#include <errno.h> -#include <sys/types.h> -#include <sys/time.h> -#include <sys/timeb.h> -#include <sys/socket.h> -#include <sys/file.h> -#include <sys/ioctl.h> -#include <sys/stropts.h> - -#include <sys/pfmod.h> -#include <sys/bufmod.h> -#include <sys/dlpi.h> - -#include <net/if.h> -#include <netinet/in.h> -#include <netinet/in_systm.h> -#include <netinet/ip.h> -#include <netinet/if_ether.h> -#include <netinet/ip_var.h> -#include <netinet/udp.h> -#include <netinet/udp_var.h> -#include <netinet/tcp.h> -#include <netinet/tcpip.h> - -#include "ip_compat.h" - -#ifndef lint -static char snitid[] = "%W% %G% (C)1995 Darren Reed"; -#endif - -#define BUFSPACE 32768 - -static int solfd; - -/* - * Be careful to only include those defined in the flags option for the - * interface are included in the header size. - */ -static int timeout; - - -void nullbell() -{ - return 0; -} - - -int ack_recv(ep) -char *ep; -{ - struct tcpiphdr tip; - tcphdr_t *tcp; - ip_t *ip; - - ip = (ip_t *)&tip; - tcp = (tcphdr_t *)(ip + 1); - bcopy(ep, (char *)ip, sizeof(*ip)); - bcopy(ep + (ip->ip_hl << 2), (char *)tcp, sizeof(*tcp)); - - if (ip->ip_off & 0x1fff != 0) - return 0; - if (0 == detect(ip, tcp)) - return 1; - return 0; -} - - -int readloop(fd, port, dst) -int fd, port; -struct in_addr dst; -{ - static u_char buf[BUFSPACE]; - register u_char *bp, *cp, *bufend; - register struct sb_hdr *hp; - register int cc; - struct strbuf dbuf; - ether_header_t eh; - time_t now = time(NULL); - int flags = 0, i, done = 0; - - fd = solfd; - dbuf.len = 0; - dbuf.buf = buf; - dbuf.maxlen = sizeof(buf); - /* - * no control data buffer... - */ - while (1) { - (void) signal(SIGALRM, nullbell); - alarm(1); - i = getmsg(fd, NULL, &dbuf, &flags); - alarm(0); - (void) signal(SIGALRM, nullbell); - - cc = dbuf.len; - if ((time(NULL) - now) > timeout) - return done; - if (i == -1) - if (errno == EINTR) - continue; - else - break; - bp = buf; - bufend = buf + cc; - /* - * loop through each snapshot in the chunk - */ - while (bp < bufend) { - /* - * get past bufmod header - */ - hp = (struct sb_hdr *)bp; - cp = (u_char *)((char *)bp + sizeof(*hp)); - bcopy(cp, (char *)&eh, sizeof(eh)); - /* - * next snapshot - */ - bp += hp->sbh_totlen; - cc -= hp->sbh_totlen; - - if (eh.ether_type != ETHERTYPE_IP) - continue; - - cp += sizeof(eh); - done += ack_recv(cp); - } - alarm(1); - } - perror("getmsg"); - exit(-1); -} - -int initdevice(device, tout) -char *device; -int tout; -{ - struct strioctl si; - struct timeval to; - struct ifreq ifr; - struct packetfilt pfil; - u_long if_flags; - u_short *fwp = pfil.Pf_Filter; - char devname[16], *s, buf[256]; - int i, offset, fd, snaplen= 58, chunksize = BUFSPACE; - - (void) sprintf(devname, "/dev/%s", device); - - s = devname + 5; - while (*s && !ISDIGIT(*s)) - s++; - if (!*s) - { - fprintf(stderr, "bad device name %s\n", devname); - exit(-1); - } - i = atoi(s); - *s = '\0'; - /* - * For reading - */ - if ((fd = open(devname, O_RDWR)) < 0) - { - fprintf(stderr, "O_RDWR(0) "); - perror(devname); - exit(-1); - } - if (dlattachreq(fd, i) == -1 || dlokack(fd, buf) == -1) - { - fprintf(stderr, "DLPI error\n"); - exit(-1); - } - dlbindreq(fd, ETHERTYPE_IP, 0, DL_CLDLS, 0, 0); - dlbindack(fd, buf); - /* - * read full headers - */ - if (strioctl(fd, DLIOCRAW, -1, 0, NULL) == -1) - { - fprintf(stderr, "DLIOCRAW error\n"); - exit(-1); - } - /* - * Create some filter rules for our TCP watcher. We only want ethernet - * pacets which are IP protocol and only the TCP packets from IP. - */ - offset = 6; - *fwp++ = ENF_PUSHWORD + offset; - *fwp++ = ENF_PUSHLIT | ENF_CAND; - *fwp++ = htons(ETHERTYPE_IP); - *fwp++ = ENF_PUSHWORD + sizeof(struct ether_header)/sizeof(short)+4; - *fwp++ = ENF_PUSHLIT | ENF_AND; - *fwp++ = htons(0x00ff); - *fwp++ = ENF_PUSHLIT | ENF_COR; - *fwp++ = htons(IPPROTO_TCP); - *fwp++ = ENF_PUSHWORD + sizeof(struct ether_header)/sizeof(short)+4; - *fwp++ = ENF_PUSHLIT | ENF_AND; - *fwp++ = htons(0x00ff); - *fwp++ = ENF_PUSHLIT | ENF_CAND; - *fwp++ = htons(IPPROTO_UDP); - pfil.Pf_FilterLen = (fwp - &pfil.Pf_Filter[0]); - /* - * put filter in place. - */ - - if (ioctl(fd, I_PUSH, "pfmod") == -1) - { - perror("ioctl: I_PUSH pf"); - exit(1); - } - if (strioctl(fd, PFIOCSETF, -1, sizeof(pfil), (char *)&pfil) == -1) - { - perror("ioctl: PFIOCSETF"); - exit(1); - } - - /* - * arrange to get messages from the NIT STREAM and use NIT_BUF option - */ - if (ioctl(fd, I_PUSH, "bufmod") == -1) - { - perror("ioctl: I_PUSH bufmod"); - exit(1); - } - i = 128; - strioctl(fd, SBIOCSSNAP, -1, sizeof(i), (char *)&i); - /* - * set the timeout - */ - to.tv_sec = 1; - to.tv_usec = 0; - if (strioctl(fd, SBIOCSTIME, -1, sizeof(to), (char *)&to) == -1) - { - perror("strioctl(SBIOCSTIME)"); - exit(-1); - } - /* - * flush read queue - */ - if (ioctl(fd, I_FLUSH, FLUSHR) == -1) - { - perror("I_FLUSHR"); - exit(-1); - } - timeout = tout; - solfd = fd; - return fd; -} |
