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-rw-r--r--sbin/ifconfig/ifconfig.c679
1 files changed, 679 insertions, 0 deletions
diff --git a/sbin/ifconfig/ifconfig.c b/sbin/ifconfig/ifconfig.c
new file mode 100644
index 000000000000..e9751b98e00b
--- /dev/null
+++ b/sbin/ifconfig/ifconfig.c
@@ -0,0 +1,679 @@
+/*
+ * Copyright (c) 1983, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char copyright[] =
+"@(#) Copyright (c) 1983, 1993\n\
+ The Regents of the University of California. All rights reserved.\n";
+#endif /* not lint */
+
+#ifndef lint
+static char sccsid[] = "@(#)ifconfig.c 8.2 (Berkeley) 2/16/94";
+#endif /* not lint */
+
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+
+#include <net/if.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#define NSIP
+#include <netns/ns.h>
+#include <netns/ns_if.h>
+#include <netdb.h>
+
+#define EON
+#include <netiso/iso.h>
+#include <netiso/iso_var.h>
+#include <sys/protosw.h>
+
+#include <ctype.h>
+#include <err.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+struct ifreq ifr, ridreq;
+struct ifaliasreq addreq;
+struct iso_ifreq iso_ridreq;
+struct iso_aliasreq iso_addreq;
+struct sockaddr_in netmask;
+
+char name[30];
+int flags;
+int metric;
+int nsellength = 1;
+int setaddr;
+int setipdst;
+int doalias;
+int clearaddr;
+int newaddr = 1;
+int s;
+extern int errno;
+
+int setifflags(), setifaddr(), setifdstaddr(), setifnetmask();
+int setifmetric(), setifbroadaddr(), setifipdst();
+int notealias(), setsnpaoffset(), setnsellength(), notrailers();
+
+#define NEXTARG 0xffffff
+
+struct cmd {
+ char *c_name;
+ int c_parameter; /* NEXTARG means next argv */
+ int (*c_func)();
+} cmds[] = {
+ { "up", IFF_UP, setifflags } ,
+ { "down", -IFF_UP, setifflags },
+ { "trailers", -1, notrailers },
+ { "-trailers", 1, notrailers },
+ { "arp", -IFF_NOARP, setifflags },
+ { "-arp", IFF_NOARP, setifflags },
+ { "debug", IFF_DEBUG, setifflags },
+ { "-debug", -IFF_DEBUG, setifflags },
+ { "alias", IFF_UP, notealias },
+ { "-alias", -IFF_UP, notealias },
+ { "delete", -IFF_UP, notealias },
+#ifdef notdef
+#define EN_SWABIPS 0x1000
+ { "swabips", EN_SWABIPS, setifflags },
+ { "-swabips", -EN_SWABIPS, setifflags },
+#endif
+ { "netmask", NEXTARG, setifnetmask },
+ { "metric", NEXTARG, setifmetric },
+ { "broadcast", NEXTARG, setifbroadaddr },
+ { "ipdst", NEXTARG, setifipdst },
+ { "snpaoffset", NEXTARG, setsnpaoffset },
+ { "nsellength", NEXTARG, setnsellength },
+ { "link0", IFF_LINK0, setifflags } ,
+ { "-link0", -IFF_LINK0, setifflags } ,
+ { "link1", IFF_LINK1, setifflags } ,
+ { "-link1", -IFF_LINK1, setifflags } ,
+ { "link2", IFF_LINK2, setifflags } ,
+ { "-link2", -IFF_LINK2, setifflags } ,
+ { 0, 0, setifaddr },
+ { 0, 0, setifdstaddr },
+};
+
+/*
+ * XNS support liberally adapted from code written at the University of
+ * Maryland principally by James O'Toole and Chris Torek.
+ */
+int in_status(), in_getaddr();
+int xns_status(), xns_getaddr();
+int iso_status(), iso_getaddr();
+
+/* Known address families */
+struct afswtch {
+ char *af_name;
+ short af_af;
+ int (*af_status)();
+ int (*af_getaddr)();
+ int af_difaddr;
+ int af_aifaddr;
+ caddr_t af_ridreq;
+ caddr_t af_addreq;
+} afs[] = {
+#define C(x) ((caddr_t) &x)
+ { "inet", AF_INET, in_status, in_getaddr,
+ SIOCDIFADDR, SIOCAIFADDR, C(ridreq), C(addreq) },
+ { "ns", AF_NS, xns_status, xns_getaddr,
+ SIOCDIFADDR, SIOCAIFADDR, C(ridreq), C(addreq) },
+ { "iso", AF_ISO, iso_status, iso_getaddr,
+ SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, C(iso_ridreq), C(iso_addreq) },
+ { 0, 0, 0, 0 }
+};
+
+struct afswtch *afp; /*the address family being set or asked about*/
+
+main(argc, argv)
+ int argc;
+ char *argv[];
+{
+ int af = AF_INET;
+ register struct afswtch *rafp;
+
+ if (argc < 2) {
+ fprintf(stderr, "usage: ifconfig interface\n%s%s%s%s%s",
+ "\t[ af [ address [ dest_addr ] ] [ up ] [ down ]",
+ "[ netmask mask ] ]\n",
+ "\t[ metric n ]\n",
+ "\t[ arp | -arp ]\n",
+ "\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ] \n");
+ exit(1);
+ }
+ argc--, argv++;
+ strncpy(name, *argv, sizeof(name));
+ strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
+ argc--, argv++;
+ if (argc > 0) {
+ for (afp = rafp = afs; rafp->af_name; rafp++)
+ if (strcmp(rafp->af_name, *argv) == 0) {
+ afp = rafp; argc--; argv++;
+ break;
+ }
+ rafp = afp;
+ af = ifr.ifr_addr.sa_family = rafp->af_af;
+ }
+ s = socket(af, SOCK_DGRAM, 0);
+ if (s < 0) {
+ perror("ifconfig: socket");
+ exit(1);
+ }
+ if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifr) < 0) {
+ Perror("ioctl (SIOCGIFFLAGS)");
+ exit(1);
+ }
+ strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
+ flags = ifr.ifr_flags;
+ if (ioctl(s, SIOCGIFMETRIC, (caddr_t)&ifr) < 0)
+ perror("ioctl (SIOCGIFMETRIC)");
+ else
+ metric = ifr.ifr_metric;
+ if (argc == 0) {
+ status();
+ exit(0);
+ }
+ while (argc > 0) {
+ register struct cmd *p;
+
+ for (p = cmds; p->c_name; p++)
+ if (strcmp(*argv, p->c_name) == 0)
+ break;
+ if (p->c_name == 0 && setaddr)
+ p++; /* got src, do dst */
+ if (p->c_func) {
+ if (p->c_parameter == NEXTARG) {
+ if (argv[1] == NULL)
+ errx(1, "'%s' requires argument",
+ p->c_name);
+ (*p->c_func)(argv[1]);
+ argc--, argv++;
+ } else
+ (*p->c_func)(*argv, p->c_parameter);
+ }
+ argc--, argv++;
+ }
+ if (af == AF_ISO)
+ adjust_nsellength();
+ if (setipdst && af==AF_NS) {
+ struct nsip_req rq;
+ int size = sizeof(rq);
+
+ rq.rq_ns = addreq.ifra_addr;
+ rq.rq_ip = addreq.ifra_dstaddr;
+
+ if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0)
+ Perror("Encapsulation Routing");
+ }
+ if (clearaddr) {
+ int ret;
+ strncpy(rafp->af_ridreq, name, sizeof ifr.ifr_name);
+ if ((ret = ioctl(s, rafp->af_difaddr, rafp->af_ridreq)) < 0) {
+ if (errno == EADDRNOTAVAIL && (doalias >= 0)) {
+ /* means no previous address for interface */
+ } else
+ Perror("ioctl (SIOCDIFADDR)");
+ }
+ }
+ if (newaddr) {
+ strncpy(rafp->af_addreq, name, sizeof ifr.ifr_name);
+ if (ioctl(s, rafp->af_aifaddr, rafp->af_addreq) < 0)
+ Perror("ioctl (SIOCAIFADDR)");
+ }
+ exit(0);
+}
+#define RIDADDR 0
+#define ADDR 1
+#define MASK 2
+#define DSTADDR 3
+
+/*ARGSUSED*/
+setifaddr(addr, param)
+ char *addr;
+ short param;
+{
+ /*
+ * Delay the ioctl to set the interface addr until flags are all set.
+ * The address interpretation may depend on the flags,
+ * and the flags may change when the address is set.
+ */
+ setaddr++;
+ if (doalias == 0)
+ clearaddr = 1;
+ (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR));
+}
+
+setifnetmask(addr)
+ char *addr;
+{
+ (*afp->af_getaddr)(addr, MASK);
+}
+
+setifbroadaddr(addr)
+ char *addr;
+{
+ (*afp->af_getaddr)(addr, DSTADDR);
+}
+
+setifipdst(addr)
+ char *addr;
+{
+ in_getaddr(addr, DSTADDR);
+ setipdst++;
+ clearaddr = 0;
+ newaddr = 0;
+}
+#define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr))
+/*ARGSUSED*/
+notealias(addr, param)
+ char *addr;
+{
+ if (setaddr && doalias == 0 && param < 0)
+ bcopy((caddr_t)rqtosa(af_addreq),
+ (caddr_t)rqtosa(af_ridreq),
+ rqtosa(af_addreq)->sa_len);
+ doalias = param;
+ if (param < 0) {
+ clearaddr = 1;
+ newaddr = 0;
+ } else
+ clearaddr = 0;
+}
+
+/*ARGSUSED*/
+notrailers(vname, value)
+ char *vname;
+ int value;
+{
+ printf("Note: trailers are no longer sent, but always received\n");
+}
+
+/*ARGSUSED*/
+setifdstaddr(addr, param)
+ char *addr;
+ int param;
+{
+ (*afp->af_getaddr)(addr, DSTADDR);
+}
+
+setifflags(vname, value)
+ char *vname;
+ short value;
+{
+ if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifr) < 0) {
+ Perror("ioctl (SIOCGIFFLAGS)");
+ exit(1);
+ }
+ strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name));
+ flags = ifr.ifr_flags;
+
+ if (value < 0) {
+ value = -value;
+ flags &= ~value;
+ } else
+ flags |= value;
+ ifr.ifr_flags = flags;
+ if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifr) < 0)
+ Perror(vname);
+}
+
+setifmetric(val)
+ char *val;
+{
+ strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name));
+ ifr.ifr_metric = atoi(val);
+ if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0)
+ perror("ioctl (set metric)");
+}
+
+setsnpaoffset(val)
+ char *val;
+{
+ iso_addreq.ifra_snpaoffset = atoi(val);
+}
+
+#define IFFBITS \
+"\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\
+\11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST"
+
+/*
+ * Print the status of the interface. If an address family was
+ * specified, show it and it only; otherwise, show them all.
+ */
+status()
+{
+ register struct afswtch *p = afp;
+ short af = ifr.ifr_addr.sa_family;
+
+ printf("%s: ", name);
+ printb("flags", flags, IFFBITS);
+ if (metric)
+ printf(" metric %d", metric);
+ putchar('\n');
+ if ((p = afp) != NULL) {
+ (*p->af_status)(1);
+ } else for (p = afs; p->af_name; p++) {
+ ifr.ifr_addr.sa_family = p->af_af;
+ (*p->af_status)(0);
+ }
+}
+
+in_status(force)
+ int force;
+{
+ struct sockaddr_in *sin;
+ char *inet_ntoa();
+
+ strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name));
+ if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) {
+ if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) {
+ if (!force)
+ return;
+ bzero((char *)&ifr.ifr_addr, sizeof(ifr.ifr_addr));
+ } else
+ perror("ioctl (SIOCGIFADDR)");
+ }
+ sin = (struct sockaddr_in *)&ifr.ifr_addr;
+ printf("\tinet %s ", inet_ntoa(sin->sin_addr));
+ strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name));
+ if (ioctl(s, SIOCGIFNETMASK, (caddr_t)&ifr) < 0) {
+ if (errno != EADDRNOTAVAIL)
+ perror("ioctl (SIOCGIFNETMASK)");
+ bzero((char *)&ifr.ifr_addr, sizeof(ifr.ifr_addr));
+ } else
+ netmask.sin_addr =
+ ((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr;
+ if (flags & IFF_POINTOPOINT) {
+ if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) {
+ if (errno == EADDRNOTAVAIL)
+ bzero((char *)&ifr.ifr_addr, sizeof(ifr.ifr_addr));
+ else
+ perror("ioctl (SIOCGIFDSTADDR)");
+ }
+ strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name));
+ sin = (struct sockaddr_in *)&ifr.ifr_dstaddr;
+ printf("--> %s ", inet_ntoa(sin->sin_addr));
+ }
+ printf("netmask 0x%x ", ntohl(netmask.sin_addr.s_addr));
+ if (flags & IFF_BROADCAST) {
+ if (ioctl(s, SIOCGIFBRDADDR, (caddr_t)&ifr) < 0) {
+ if (errno == EADDRNOTAVAIL)
+ bzero((char *)&ifr.ifr_addr, sizeof(ifr.ifr_addr));
+ else
+ perror("ioctl (SIOCGIFADDR)");
+ }
+ strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name));
+ sin = (struct sockaddr_in *)&ifr.ifr_addr;
+ if (sin->sin_addr.s_addr != 0)
+ printf("broadcast %s", inet_ntoa(sin->sin_addr));
+ }
+ putchar('\n');
+}
+
+
+xns_status(force)
+ int force;
+{
+ struct sockaddr_ns *sns;
+
+ close(s);
+ s = socket(AF_NS, SOCK_DGRAM, 0);
+ if (s < 0) {
+ if (errno == EPROTONOSUPPORT)
+ return;
+ perror("ifconfig: socket");
+ exit(1);
+ }
+ if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) {
+ if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) {
+ if (!force)
+ return;
+ bzero((char *)&ifr.ifr_addr, sizeof(ifr.ifr_addr));
+ } else
+ perror("ioctl (SIOCGIFADDR)");
+ }
+ strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
+ sns = (struct sockaddr_ns *)&ifr.ifr_addr;
+ printf("\tns %s ", ns_ntoa(sns->sns_addr));
+ if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */
+ if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) {
+ if (errno == EADDRNOTAVAIL)
+ bzero((char *)&ifr.ifr_addr, sizeof(ifr.ifr_addr));
+ else
+ Perror("ioctl (SIOCGIFDSTADDR)");
+ }
+ strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name));
+ sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr;
+ printf("--> %s ", ns_ntoa(sns->sns_addr));
+ }
+ putchar('\n');
+}
+
+iso_status(force)
+ int force;
+{
+ struct sockaddr_iso *siso;
+ struct iso_ifreq ifr;
+
+ close(s);
+ s = socket(AF_ISO, SOCK_DGRAM, 0);
+ if (s < 0) {
+ if (errno == EPROTONOSUPPORT)
+ return;
+ perror("ifconfig: socket");
+ exit(1);
+ }
+ bzero((caddr_t)&ifr, sizeof(ifr));
+ strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
+ if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&ifr) < 0) {
+ if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) {
+ if (!force)
+ return;
+ bzero((char *)&ifr.ifr_Addr, sizeof(ifr.ifr_Addr));
+ } else {
+ perror("ioctl (SIOCGIFADDR_ISO)");
+ exit(1);
+ }
+ }
+ strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
+ siso = &ifr.ifr_Addr;
+ printf("\tiso %s ", iso_ntoa(&siso->siso_addr));
+ if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&ifr) < 0) {
+ if (errno != EADDRNOTAVAIL)
+ perror("ioctl (SIOCGIFNETMASK_ISO)");
+ } else {
+ printf(" netmask %s ", iso_ntoa(&siso->siso_addr));
+ }
+ if (flags & IFF_POINTOPOINT) {
+ if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&ifr) < 0) {
+ if (errno == EADDRNOTAVAIL)
+ bzero((char *)&ifr.ifr_Addr, sizeof(ifr.ifr_Addr));
+ else
+ Perror("ioctl (SIOCGIFDSTADDR_ISO)");
+ }
+ strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name));
+ siso = &ifr.ifr_Addr;
+ printf("--> %s ", iso_ntoa(&siso->siso_addr));
+ }
+ putchar('\n');
+}
+
+Perror(cmd)
+ char *cmd;
+{
+ extern int errno;
+
+ switch (errno) {
+
+ case ENXIO:
+ errx(1, "%s: no such interface", cmd);
+ break;
+
+ case EPERM:
+ errx(1, "%s: permission denied", cmd);
+ break;
+
+ default:
+ err(1, "%s", cmd);
+ }
+}
+
+struct in_addr inet_makeaddr();
+
+#define SIN(x) ((struct sockaddr_in *) &(x))
+struct sockaddr_in *sintab[] = {
+SIN(ridreq.ifr_addr), SIN(addreq.ifra_addr),
+SIN(addreq.ifra_mask), SIN(addreq.ifra_broadaddr)};
+
+in_getaddr(s, which)
+ char *s;
+{
+ register struct sockaddr_in *sin = sintab[which];
+ struct hostent *hp;
+ struct netent *np;
+ int val;
+
+ sin->sin_len = sizeof(*sin);
+ if (which != MASK)
+ sin->sin_family = AF_INET;
+
+ if ((val = inet_addr(s)) != -1)
+ sin->sin_addr.s_addr = val;
+ else if (hp = gethostbyname(s))
+ bcopy(hp->h_addr, (char *)&sin->sin_addr, hp->h_length);
+ else if (np = getnetbyname(s))
+ sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY);
+ else
+ errx(1, "%s: bad value", s);
+}
+
+/*
+ * Print a value a la the %b format of the kernel's printf
+ */
+printb(s, v, bits)
+ char *s;
+ register char *bits;
+ register unsigned short v;
+{
+ register int i, any = 0;
+ register char c;
+
+ if (bits && *bits == 8)
+ printf("%s=%o", s, v);
+ else
+ printf("%s=%x", s, v);
+ bits++;
+ if (bits) {
+ putchar('<');
+ while (i = *bits++) {
+ if (v & (1 << (i-1))) {
+ if (any)
+ putchar(',');
+ any = 1;
+ for (; (c = *bits) > 32; bits++)
+ putchar(c);
+ } else
+ for (; *bits > 32; bits++)
+ ;
+ }
+ putchar('>');
+ }
+}
+
+#define SNS(x) ((struct sockaddr_ns *) &(x))
+struct sockaddr_ns *snstab[] = {
+SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr),
+SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)};
+
+xns_getaddr(addr, which)
+char *addr;
+{
+ struct sockaddr_ns *sns = snstab[which];
+ struct ns_addr ns_addr();
+
+ sns->sns_family = AF_NS;
+ sns->sns_len = sizeof(*sns);
+ sns->sns_addr = ns_addr(addr);
+ if (which == MASK)
+ printf("Attempt to set XNS netmask will be ineffectual\n");
+}
+
+#define SISO(x) ((struct sockaddr_iso *) &(x))
+struct sockaddr_iso *sisotab[] = {
+SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr),
+SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)};
+
+iso_getaddr(addr, which)
+char *addr;
+{
+ register struct sockaddr_iso *siso = sisotab[which];
+ struct iso_addr *iso_addr();
+ siso->siso_addr = *iso_addr(addr);
+
+ if (which == MASK) {
+ siso->siso_len = TSEL(siso) - (caddr_t)(siso);
+ siso->siso_nlen = 0;
+ } else {
+ siso->siso_len = sizeof(*siso);
+ siso->siso_family = AF_ISO;
+ }
+}
+
+setnsellength(val)
+ char *val;
+{
+ nsellength = atoi(val);
+ if (nsellength < 0)
+ errx(1, "Negative NSEL length is absurd");
+ if (afp == 0 || afp->af_af != AF_ISO)
+ errx(1, "Setting NSEL length valid only for iso");
+}
+
+fixnsel(s)
+register struct sockaddr_iso *s;
+{
+ if (s->siso_family == 0)
+ return;
+ s->siso_tlen = nsellength;
+}
+
+adjust_nsellength()
+{
+ fixnsel(sisotab[RIDADDR]);
+ fixnsel(sisotab[ADDR]);
+ fixnsel(sisotab[DSTADDR]);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-16 04:33:24 +0000