1/* $FreeBSD$ */ 2 3/* 4 * (C)opyright 1992-1998 Darren Reed. (from tcplog) 5 * 6 * See the IPFILTER.LICENCE file for details on licencing. 7 * 8 */ 9 10#include <stdio.h> 11#include <netdb.h> 12#include <ctype.h> 13#include <fcntl.h> 14#include <signal.h> 15#include <errno.h> 16#include <sys/types.h> 17#include <sys/time.h> 18#include <sys/timeb.h> 19#include <sys/socket.h> 20#include <sys/file.h> 21#include <sys/ioctl.h> 22#include <sys/stropts.h> 23 24#ifdef sun 25# include <sys/pfmod.h> 26# include <sys/bufmod.h> 27#endif 28#ifdef __osf__ 29# include <sys/dlpihdr.h> 30# include "radix_ipf_local.h" 31#else 32# include <sys/dlpi.h> 33#endif 34#ifdef __hpux 35# include <sys/dlpi_ext.h> 36#endif 37 38#include <net/if.h> 39#include <netinet/in.h> 40#include <netinet/in_systm.h> 41#include <netinet/ip.h> 42#include <netinet/if_ether.h> 43#include <netinet/ip_var.h> 44#include <netinet/udp.h> 45#include <netinet/udp_var.h> 46#include <netinet/tcp.h> 47 48#include "ipsend.h" 49 50#if !defined(lint) 51static const char sccsid[] = "@(#)sdlpi.c 1.3 10/30/95 (C)1995 Darren Reed"; 52static const char rcsid[] = "@(#)$Id: sdlpi.c,v 2.8.2.2 2007/02/17 12:41:51 darrenr Exp $"; 53#endif 54 55#define CHUNKSIZE 8192 56#define BUFSPACE (4*CHUNKSIZE) 57 58 59/* 60 * Be careful to only include those defined in the flags option for the 61 * interface are included in the header size. 62 */ 63int initdevice(device, tout) 64char *device; 65int tout; 66{ 67 char devname[16], *s, buf[256]; 68 int i, fd; 69 70 (void) strcpy(devname, "/dev/"); 71 (void) strncat(devname, device, sizeof(devname) - strlen(devname)); 72 73 s = devname + 5; 74 while (*s && !ISDIGIT(*s)) 75 s++; 76 if (!*s) 77 { 78 fprintf(stderr, "bad device name %s\n", devname); 79 exit(-1); 80 } 81 i = atoi(s); 82 *s = '\0'; 83 /* 84 * For writing 85 */ 86 if ((fd = open(devname, O_RDWR)) < 0) 87 { 88 fprintf(stderr, "O_RDWR(1) "); 89 perror(devname); 90 exit(-1); 91 } 92 93 if (dlattachreq(fd, i) == -1) 94 { 95 fprintf(stderr, "dlattachreq: DLPI error\n"); 96 exit(-1); 97 } 98 else if (dlokack(fd, buf) == -1) 99 { 100 fprintf(stderr, "dlokack(attach): DLPI error\n"); 101 exit(-1); 102 } 103#ifdef DL_HP_RAWDLS 104 if (dlpromisconreq(fd, DL_PROMISC_SAP) < 0) 105 { 106 fprintf(stderr, "dlpromisconreq: DL_PROMISC_PHYS error\n"); 107 exit(-1); 108 } 109 else if (dlokack(fd, buf) < 0) 110 { 111 fprintf(stderr, "dlokack(promisc): DLPI error\n"); 112 exit(-1); 113 } 114 /* 22 is INSAP as per the HP-UX DLPI Programmer's Guide */ 115 116 dlbindreq(fd, 22, 1, DL_HP_RAWDLS, 0, 0); 117#else 118 dlbindreq(fd, ETHERTYPE_IP, 0, DL_CLDLS, 0, 0); 119#endif 120 dlbindack(fd, buf); 121 /* 122 * write full headers 123 */ 124#ifdef DLIOCRAW /* we require RAW DLPI mode, which is a Sun extension */ 125 if (strioctl(fd, DLIOCRAW, -1, 0, NULL) == -1) 126 { 127 fprintf(stderr, "DLIOCRAW error\n"); 128 exit(-1); 129 } 130#endif 131 return fd; 132} 133 134 135/* 136 * output an IP packet onto a fd opened for /dev/nit 137 */ 138int sendip(fd, pkt, len) 139int fd, len; 140char *pkt; 141{ 142 struct strbuf dbuf, *dp = &dbuf, *cp = NULL; 143 int pri = 0; 144#ifdef DL_HP_RAWDLS 145 struct strbuf cbuf; 146 dl_hp_rawdata_req_t raw; 147 148 cp = &cbuf; 149 raw.dl_primitive = DL_HP_RAWDATA_REQ; 150 cp->len = sizeof(raw); 151 cp->buf = (char *)&raw; 152 cp->maxlen = cp->len; 153 pri = MSG_HIPRI; 154#endif 155 /* 156 * construct NIT STREAMS messages, first control then data. 157 */ 158 dp->buf = pkt; 159 dp->len = len; 160 dp->maxlen = dp->len; 161 162 if (putmsg(fd, cp, dp, pri) == -1) 163 { 164 perror("putmsg"); 165 return -1; 166 } 167 if (ioctl(fd, I_FLUSH, FLUSHW) == -1) 168 { 169 perror("I_FLUSHW"); 170 return -1; 171 } 172 return len; 173} 174 175