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[FreeBSD/releng/10.0.git] / contrib / ipfilter / ipsend / sdlpi.c
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 #else
31 # include <sys/dlpi.h>
32 #endif
33 #ifdef __hpux
34 # include <sys/dlpi_ext.h>
35 #endif
36
37 #include <net/if.h>
38 #include <netinet/in.h>
39 #include <netinet/in_systm.h>
40 #include <netinet/ip.h>
41 #include <netinet/if_ether.h>
42 #include <netinet/ip_var.h>
43 #include <netinet/udp.h>
44 #include <netinet/udp_var.h>
45 #include <netinet/tcp.h>
46
47 #include "ipsend.h"
48
49 #if !defined(lint)
50 static const char sccsid[] = "@(#)sdlpi.c       1.3 10/30/95 (C)1995 Darren Reed";
51 static const char rcsid[] = "@(#)$Id$";
52 #endif
53
54 #define CHUNKSIZE       8192
55 #define BUFSPACE        (4*CHUNKSIZE)
56
57
58 /*
59  * Be careful to only include those defined in the flags option for the
60  * interface are included in the header size.
61  */
62 int     initdevice(device, tout)
63         char    *device;
64         int     tout;
65 {
66         char    devname[16], *s, buf[256];
67         int     i, fd;
68
69         (void) strcpy(devname, "/dev/");
70         (void) strncat(devname, device, sizeof(devname) - strlen(devname));
71
72         s = devname + 5;
73         while (*s && !ISDIGIT(*s))
74                 s++;
75         if (!*s)
76             {
77                 fprintf(stderr, "bad device name %s\n", devname);
78                 exit(-1);
79             }
80         i = atoi(s);
81         *s = '\0';
82         /*
83          * For writing
84          */
85         if ((fd = open(devname, O_RDWR)) < 0)
86             {
87                 fprintf(stderr, "O_RDWR(1) ");
88                 perror(devname);
89                 exit(-1);
90             }
91
92         if (dlattachreq(fd, i) == -1)
93             {
94                 fprintf(stderr, "dlattachreq: DLPI error\n");
95                 exit(-1);
96             }
97         else if (dlokack(fd, buf) == -1)
98             {
99                 fprintf(stderr, "dlokack(attach): DLPI error\n");
100                 exit(-1);
101             }
102 #ifdef DL_HP_RAWDLS
103         if (dlpromisconreq(fd, DL_PROMISC_SAP) < 0)
104             {
105                 fprintf(stderr, "dlpromisconreq: DL_PROMISC_PHYS error\n");
106                 exit(-1);
107             }
108         else if (dlokack(fd, buf) < 0)
109             {
110                 fprintf(stderr, "dlokack(promisc): DLPI error\n");
111                 exit(-1);
112             }
113         /* 22 is INSAP as per the HP-UX DLPI Programmer's Guide */
114
115         dlbindreq(fd, 22, 1, DL_HP_RAWDLS, 0, 0);
116 #else
117         dlbindreq(fd, ETHERTYPE_IP, 0, DL_CLDLS, 0, 0);
118 #endif
119         dlbindack(fd, buf);
120         /*
121          * write full headers
122          */
123 #ifdef DLIOCRAW /* we require RAW DLPI mode, which is a Sun extension */
124         if (strioctl(fd, DLIOCRAW, -1, 0, NULL) == -1)
125             {
126                 fprintf(stderr, "DLIOCRAW error\n");
127                 exit(-1);
128             }
129 #endif
130         return fd;
131 }
132
133
134 /*
135  * output an IP packet onto a fd opened for /dev/nit
136  */
137 int     sendip(fd, pkt, len)
138         int     fd, len;
139         char    *pkt;
140 {
141         struct strbuf dbuf, *dp = &dbuf, *cp = NULL;
142         int pri = 0;
143 #ifdef DL_HP_RAWDLS
144         struct strbuf cbuf;
145         dl_hp_rawdata_req_t raw;
146
147         cp = &cbuf;
148         raw.dl_primitive = DL_HP_RAWDATA_REQ;
149         cp->len = sizeof(raw);
150         cp->buf = (char *)&raw;
151         cp->maxlen = cp->len;
152         pri = MSG_HIPRI;
153 #endif
154         /*
155          * construct NIT STREAMS messages, first control then data.
156          */
157         dp->buf = pkt;
158         dp->len = len;
159         dp->maxlen = dp->len;
160
161         if (putmsg(fd, cp, dp, pri) == -1)
162             {
163                 perror("putmsg");
164                 return -1;
165             }
166         if (ioctl(fd, I_FLUSH, FLUSHW) == -1)
167             {
168                 perror("I_FLUSHW");
169                 return -1;
170             }
171         return len;
172 }
173