/* Clear a certain interface flag. */
static int clr_flag(char *ifname, short flag)
{
struct ifreq ifr;
int fd;
if (strchr(ifname, ':')) {
/* This is a v4 alias interface. Downing it via a socket for
another AF may have bad consequences. */
fd = get_socket_for_af(AF_INET);
if (fd < 0) {
fprintf(stderr, _("No support for INET on this system.\n"));
return -1;
}
} else
fd = skfd;
safe_strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
if (ioctl(fd, SIOCGIFFLAGS, &ifr) < 0) {
fprintf(stderr, _("%s: ERROR while getting interface flags: %s\n"),
ifname, strerror(errno));
return -1;
}
safe_strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
ifr.ifr_flags &= ~flag;
if (ioctl(fd, SIOCSIFFLAGS, &ifr) < 0) {
perror("SIOCSIFFLAGS");
return -1;
}
return (0);
}
int main(int argc, char **argv)
{
struct sockaddr sa;
char host[128];
struct aftype *ap;
struct hwtype *hw;
struct ifreq ifr;
int goterr = 0, didnetmask = 0;
char **spp;
int fd;
#if HAVE_AFINET6
extern struct aftype inet6_aftype;
struct sockaddr_in6 sa6;
struct in6_ifreq ifr6;
unsigned long prefix_len;
char *cp;
#endif
#if I18N
bindtextdomain("net-tools", "/usr/share/locale");
textdomain("net-tools");
#endif
/* Create a channel to the NET kernel. */
if ((skfd = sockets_open(0)) < 0) {
perror("socket");
exit(1);
}
/* Find any options. */
argc--;
argv++;
while (argc && *argv[0] == '-') {
if (!strcmp(*argv, "-a"))
opt_a = 1;
if (!strcmp(*argv, "-v"))
opt_v = 1;
if (!strcmp(*argv, "-V") || !strcmp(*argv, "-version") ||
!strcmp(*argv, "--version"))
version();
if (!strcmp(*argv, "-?") || !strcmp(*argv, "-h") ||
!strcmp(*argv, "-help") || !strcmp(*argv, "--help"))
usage();
argv++;
argc--;
}
/* Do we have to show the current setup? */
if (argc == 0) {
int err = if_print((char *) NULL);
(void) close(skfd);
exit(err < 0);
}
/* No. Fetch the interface name. */
spp = argv;
safe_strncpy(ifr.ifr_name, *spp++, IFNAMSIZ);
if (*spp == (char *) NULL) {
int err = if_print(ifr.ifr_name);
(void) close(skfd);
exit(err < 0);
}
/* setup the vlan if required */
if (if_name_is_vlan(ifr.ifr_name)) {
struct interface *i;
if ((i = lookup_interface(ifr.ifr_name)) == NULL) {
fprintf (stderr, "Couldn't lookup interfaces\n");
exit(1);
}
if (do_if_fetch(i) < 0) {
int err;
printf("Creating new vlan\n");
err = setup_vlan(ifr.ifr_name);
if (err < 0) {
fprintf(stderr, "Cannot init required vlan %s - %d\n",
ifr.ifr_name, err);
exit(err < 0);
}
}
}
/* The next argument is either an address family name, or an option. */
if ((ap = get_aftype(*spp)) == NULL)
ap = get_aftype(DFLT_AF);
else {
/* XXX: should print the current setup if no args left, but only
for this family */
spp++;
addr_family = ap->af;
}
if (sockets_open(addr_family) < 0) {
perror("family socket");
exit(1);
}
/* Process the remaining arguments. */
while (*spp != (char *) NULL) {
if (!strcmp(*spp, "arp")) {
goterr |= clr_flag(ifr.ifr_name, IFF_NOARP);
spp++;
continue;
}
if (!strcmp(*spp, "-arp")) {
goterr |= set_flag(ifr.ifr_name, IFF_NOARP);
spp++;
continue;
}
#ifdef IFF_PORTSEL
if (!strcmp(*spp, "media") || !strcmp(*spp, "port")) {
if (*++spp == NULL)
usage();
if (!strcasecmp(*spp, "auto")) {
goterr |= set_flag(ifr.ifr_name, IFF_AUTOMEDIA);
} else {
int i, j, newport;
char *endp;
newport = strtol(*spp, &endp, 10);
if (*endp != 0) {
newport = -1;
for (i = 0; if_port_text[i][0] && newport == -1; i++) {
for (j = 0; if_port_text[i][j]; j++) {
if (!strcasecmp(*spp, if_port_text[i][j])) {
newport = i;
break;
}
}
}
}
spp++;
if (newport == -1) {
fprintf(stderr, _("Unknown media type.\n"));
goterr = 1;
} else {
if (ioctl(skfd, SIOCGIFMAP, &ifr) < 0) {
goterr = 1;
continue;
}
ifr.ifr_map.port = newport;
if (ioctl(skfd, SIOCSIFMAP, &ifr) < 0) {
perror("SIOCSIFMAP");
goterr = 1;
}
}
}
continue;
}
#endif
if (!strcmp(*spp, "trailers")) {
goterr |= clr_flag(ifr.ifr_name, IFF_NOTRAILERS);
spp++;
continue;
}
if (!strcmp(*spp, "-trailers")) {
goterr |= set_flag(ifr.ifr_name, IFF_NOTRAILERS);
spp++;
continue;
}
if (!strcmp(*spp, "promisc")) {
goterr |= set_flag(ifr.ifr_name, IFF_PROMISC);
spp++;
continue;
}
if (!strcmp(*spp, "-promisc")) {
goterr |= clr_flag(ifr.ifr_name, IFF_PROMISC);
spp++;
continue;
}
if (!strcmp(*spp, "multicast")) {
goterr |= set_flag(ifr.ifr_name, IFF_MULTICAST);
spp++;
continue;
}
if (!strcmp(*spp, "-multicast")) {
goterr |= clr_flag(ifr.ifr_name, IFF_MULTICAST);
spp++;
continue;
}
if (!strcmp(*spp, "allmulti")) {
goterr |= set_flag(ifr.ifr_name, IFF_ALLMULTI);
spp++;
continue;
}
if (!strcmp(*spp, "-allmulti")) {
goterr |= clr_flag(ifr.ifr_name, IFF_ALLMULTI);
spp++;
continue;
}
if (!strcmp(*spp, "up")) {
goterr |= set_flag(ifr.ifr_name, (IFF_UP | IFF_RUNNING));
spp++;
continue;
}
if (!strcmp(*spp, "down")) {
goterr |= clr_flag(ifr.ifr_name, IFF_UP);
spp++;
continue;
}
#ifdef HAVE_DYNAMIC
if (!strcmp(*spp, "dynamic")) {
goterr |= set_flag(ifr.ifr_name, IFF_DYNAMIC);
spp++;
continue;
}
if (!strcmp(*spp, "-dynamic")) {
goterr |= clr_flag(ifr.ifr_name, IFF_DYNAMIC);
spp++;
continue;
}
#endif
if (!strcmp(*spp, "metric")) {
if (*++spp == NULL)
usage();
ifr.ifr_metric = atoi(*spp);
if (ioctl(skfd, SIOCSIFMETRIC, &ifr) < 0) {
fprintf(stderr, "SIOCSIFMETRIC: %s\n", strerror(errno));
goterr = 1;
}
spp++;
continue;
}
if (!strcmp(*spp, "mtu")) {
if (*++spp == NULL)
usage();
ifr.ifr_mtu = atoi(*spp);
if (ioctl(skfd, SIOCSIFMTU, &ifr) < 0) {
fprintf(stderr, "SIOCSIFMTU: %s\n", strerror(errno));
goterr = 1;
}
spp++;
continue;
}
#ifdef SIOCSKEEPALIVE
if (!strcmp(*spp, "keepalive")) {
if (*++spp == NULL)
usage();
ifr.ifr_data = (caddr_t) atoi(*spp);
if (ioctl(skfd, SIOCSKEEPALIVE, &ifr) < 0) {
fprintf(stderr, "SIOCSKEEPALIVE: %s\n", strerror(errno));
goterr = 1;
}
spp++;
continue;
}
#endif
#ifdef SIOCSOUTFILL
if (!strcmp(*spp, "outfill")) {
if (*++spp == NULL)
usage();
ifr.ifr_data = (caddr_t) atoi(*spp);
if (ioctl(skfd, SIOCSOUTFILL, &ifr) < 0) {
fprintf(stderr, "SIOCSOUTFILL: %s\n", strerror(errno));
goterr = 1;
}
spp++;
continue;
}
#endif
if (!strcmp(*spp, "-broadcast")) {
goterr |= clr_flag(ifr.ifr_name, IFF_BROADCAST);
spp++;
continue;
}
if (!strcmp(*spp, "broadcast")) {
if (*++spp != NULL) {
safe_strncpy(host, *spp, (sizeof host));
if (ap->input(0, host, &sa) < 0) {
ap->herror(host);
goterr = 1;
spp++;
continue;
}
memcpy((char *) &ifr.ifr_broadaddr, (char *) &sa,
sizeof(struct sockaddr));
if (ioctl(ap->fd, SIOCSIFBRDADDR, &ifr) < 0) {
fprintf(stderr, "SIOCSIFBRDADDR: %s\n",
strerror(errno));
goterr = 1;
}
spp++;
}
goterr |= set_flag(ifr.ifr_name, IFF_BROADCAST);
continue;
}
if (!strcmp(*spp, "dstaddr")) {
if (*++spp == NULL)
usage();
safe_strncpy(host, *spp, (sizeof host));
if (ap->input(0, host, &sa) < 0) {
ap->herror(host);
goterr = 1;
spp++;
continue;
}
memcpy((char *) &ifr.ifr_dstaddr, (char *) &sa,
sizeof(struct sockaddr));
if (ioctl(ap->fd, SIOCSIFDSTADDR, &ifr) < 0) {
fprintf(stderr, "SIOCSIFDSTADDR: %s\n",
strerror(errno));
goterr = 1;
}
spp++;
continue;
}
if (!strcmp(*spp, "netmask")) {
if (*++spp == NULL || didnetmask)
usage();
safe_strncpy(host, *spp, (sizeof host));
if (ap->input(0, host, &sa) < 0) {
ap->herror(host);
goterr = 1;
spp++;
continue;
}
didnetmask++;
goterr = set_netmask(ap->fd, &ifr, &sa);
spp++;
continue;
}
#ifdef HAVE_TXQUEUELEN
if (!strcmp(*spp, "txqueuelen")) {
if (*++spp == NULL)
usage();
ifr.ifr_qlen = strtoul(*spp, NULL, 0);
if (ioctl(skfd, SIOCSIFTXQLEN, &ifr) < 0) {
fprintf(stderr, "SIOCSIFTXQLEN: %s\n", strerror(errno));
goterr = 1;
}
spp++;
continue;
}
#endif
if (!strcmp(*spp, "mem_start")) {
if (*++spp == NULL)
usage();
if (ioctl(skfd, SIOCGIFMAP, &ifr) < 0) {
goterr = 1;
continue;
}
ifr.ifr_map.mem_start = strtoul(*spp, NULL, 0);
if (ioctl(skfd, SIOCSIFMAP, &ifr) < 0) {
fprintf(stderr, "SIOCSIFMAP: %s\n", strerror(errno));
goterr = 1;
}
spp++;
continue;
}
if (!strcmp(*spp, "io_addr")) {
if (*++spp == NULL)
usage();
if (ioctl(skfd, SIOCGIFMAP, &ifr) < 0) {
goterr = 1;
continue;
}
ifr.ifr_map.base_addr = strtol(*spp, NULL, 0);
if (ioctl(skfd, SIOCSIFMAP, &ifr) < 0) {
fprintf(stderr, "SIOCSIFMAP: %s\n", strerror(errno));
goterr = 1;
}
spp++;
continue;
}
if (!strcmp(*spp, "irq")) {
if (*++spp == NULL)
usage();
if (ioctl(skfd, SIOCGIFMAP, &ifr) < 0) {
goterr = 1;
continue;
}
ifr.ifr_map.irq = atoi(*spp);
if (ioctl(skfd, SIOCSIFMAP, &ifr) < 0) {
fprintf(stderr, "SIOCSIFMAP: %s\n", strerror(errno));
goterr = 1;
}
spp++;
continue;
}
if (!strcmp(*spp, "-pointopoint")) {
goterr |= clr_flag(ifr.ifr_name, IFF_POINTOPOINT);
spp++;
continue;
}
if (!strcmp(*spp, "pointopoint")) {
if (*(spp + 1) != NULL) {
spp++;
safe_strncpy(host, *spp, (sizeof host));
if (ap->input(0, host, &sa)) {
ap->herror(host);
goterr = 1;
spp++;
continue;
}
memcpy((char *) &ifr.ifr_dstaddr, (char *) &sa,
sizeof(struct sockaddr));
if (ioctl(ap->fd, SIOCSIFDSTADDR, &ifr) < 0) {
fprintf(stderr, "SIOCSIFDSTADDR: %s\n",
strerror(errno));
goterr = 1;
}
}
goterr |= set_flag(ifr.ifr_name, IFF_POINTOPOINT);
spp++;
continue;
};
if (!strcmp(*spp, "hw")) {
if (*++spp == NULL)
usage();
if ((hw = get_hwtype(*spp)) == NULL)
usage();
if (*++spp == NULL)
usage();
safe_strncpy(host, *spp, (sizeof host));
if (hw->input(host, &sa) < 0) {
fprintf(stderr, _("%s: invalid %s address.\n"), host, hw->name);
goterr = 1;
spp++;
continue;
}
memcpy((char *) &ifr.ifr_hwaddr, (char *) &sa,
sizeof(struct sockaddr));
if (ioctl(skfd, SIOCSIFHWADDR, &ifr) < 0) {
fprintf(stderr, "SIOCSIFHWADDR: %s\n",
strerror(errno));
goterr = 1;
}
spp++;
continue;
}
#if HAVE_AFINET6
if (!strcmp(*spp, "add")) {
if (*++spp == NULL)
usage();
if ((cp = strchr(*spp, '/'))) {
prefix_len = atol(cp + 1);
if ((prefix_len < 0) || (prefix_len > 128))
usage();
*cp = 0;
} else {
prefix_len = 0;
}
safe_strncpy(host, *spp, (sizeof host));
if (inet6_aftype.input(1, host, (struct sockaddr *) &sa6) < 0) {
inet6_aftype.herror(host);
goterr = 1;
spp++;
continue;
}
memcpy((char *) &ifr6.ifr6_addr, (char *) &sa6.sin6_addr,
sizeof(struct in6_addr));
fd = get_socket_for_af(AF_INET6);
if (fd < 0) {
fprintf(stderr, _("No support for INET6 on this system.\n"));
goterr = 1;
spp++;
continue;
}
if (ioctl(fd, SIOGIFINDEX, &ifr) < 0) {
perror("SIOGIFINDEX");
goterr = 1;
spp++;
continue;
}
ifr6.ifr6_ifindex = ifr.ifr_ifindex;
ifr6.ifr6_prefixlen = prefix_len;
if (ioctl(fd, SIOCSIFADDR, &ifr6) < 0) {
perror("SIOCSIFADDR");
goterr = 1;
}
spp++;
continue;
}
if (!strcmp(*spp, "del")) {
if (*++spp == NULL)
usage();
if ((cp = strchr(*spp, '/'))) {
prefix_len = atol(cp + 1);
if ((prefix_len < 0) || (prefix_len > 128))
usage();
*cp = 0;
} else {
prefix_len = 0;
}
safe_strncpy(host, *spp, (sizeof host));
if (inet6_aftype.input(1, host, (struct sockaddr *) &sa6) < 0) {
inet6_aftype.herror(host);
goterr = 1;
spp++;
continue;
}
memcpy((char *) &ifr6.ifr6_addr, (char *) &sa6.sin6_addr,
sizeof(struct in6_addr));
fd = get_socket_for_af(AF_INET6);
if (fd < 0) {
fprintf(stderr, _("No support for INET6 on this system.\n"));
goterr = 1;
spp++;
continue;
}
if (ioctl(fd, SIOGIFINDEX, &ifr) < 0) {
perror("SIOGIFINDEX");
goterr = 1;
spp++;
continue;
}
ifr6.ifr6_ifindex = ifr.ifr_ifindex;
ifr6.ifr6_prefixlen = prefix_len;
#ifdef SIOCDIFADDR
if (ioctl(fd, SIOCDIFADDR, &ifr6) < 0) {
fprintf(stderr, "SIOCDIFADDR: %s\n",
strerror(errno));
goterr = 1;
}
#else
fprintf(stderr, _("Address deletion not supported on this system.\n"));
#endif
spp++;
continue;
}
if (!strcmp(*spp, "tunnel")) {
if (*++spp == NULL)
usage();
if ((cp = strchr(*spp, '/'))) {
prefix_len = atol(cp + 1);
if ((prefix_len < 0) || (prefix_len > 128))
usage();
*cp = 0;
} else {
prefix_len = 0;
}
safe_strncpy(host, *spp, (sizeof host));
if (inet6_aftype.input(1, host, (struct sockaddr *) &sa6) < 0) {
inet6_aftype.herror(host);
goterr = 1;
spp++;
continue;
}
memcpy((char *) &ifr6.ifr6_addr, (char *) &sa6.sin6_addr,
sizeof(struct in6_addr));
fd = get_socket_for_af(AF_INET6);
if (fd < 0) {
fprintf(stderr, _("No support for INET6 on this system.\n"));
goterr = 1;
spp++;
continue;
}
if (ioctl(fd, SIOGIFINDEX, &ifr) < 0) {
perror("SIOGIFINDEX");
goterr = 1;
spp++;
continue;
}
ifr6.ifr6_ifindex = ifr.ifr_ifindex;
ifr6.ifr6_prefixlen = prefix_len;
if (ioctl(fd, SIOCSIFDSTADDR, &ifr6) < 0) {
fprintf(stderr, "SIOCSIFDSTADDR: %s\n",
strerror(errno));
goterr = 1;
}
spp++;
continue;
}
#endif
/* If the next argument is a valid hostname, assume OK. */
safe_strncpy(host, *spp, (sizeof host));
/* FIXME: sa is too small for INET6 addresses, inet6 should use that too,
broadcast is unexpected */
if (ap->getmask) {
switch (ap->getmask(host, &sa, NULL)) {
case -1:
usage();
break;
case 1:
if (didnetmask)
usage();
goterr = set_netmask(skfd, &ifr, &sa);
didnetmask++;
break;
}
}
if (ap->input(0, host, &sa) < 0) {
ap->herror(host);
usage();
}
memcpy((char *) &ifr.ifr_addr, (char *) &sa, sizeof(struct sockaddr));
{
int r = 0; /* to shut gcc up */
switch (ap->af) {
#if HAVE_AFINET
case AF_INET:
fd = get_socket_for_af(AF_INET);
if (fd < 0) {
fprintf(stderr, _("No support for INET on this system.\n"));
exit(1);
}
r = ioctl(fd, SIOCSIFADDR, &ifr);
break;
#endif
#if HAVE_AFECONET
case AF_ECONET:
fd = get_socket_for_af(AF_ECONET);
if (fd < 0) {
fprintf(stderr, _("No support for ECONET on this system.\n"));
exit(1);
}
r = ioctl(fd, SIOCSIFADDR, &ifr);
break;
#endif
default:
fprintf(stderr,
_("Don't know how to set addresses for family %d.\n"), ap->af);
exit(1);
}
if (r < 0) {
perror("SIOCSIFADDR");
goterr = 1;
}
}
/*
* Don't do the set_flag() if the address is an alias with a - at the
* end, since it's deleted already! - Roman
*
* Should really use regex.h here, not sure though how well it'll go
* with the cross-platform support etc.
*/
{
char *ptr;
short int found_colon = 0;
for (ptr = ifr.ifr_name; *ptr; ptr++ )
if (*ptr == ':') found_colon++;
if (!(found_colon && *(ptr - 1) == '-'))
goterr |= set_flag(ifr.ifr_name, (IFF_UP | IFF_RUNNING));
}
spp++;
}
return (goterr);
}
int main(int argc, char **argv)
{
struct sockaddr sa;
struct sockaddr samask;
struct sockaddr_in sin;
char host[128];
struct aftype *ap;
struct hwtype *hw;
struct ifreq ifr;
int goterr = 0, didnetmask = 0, neednetmask=0;
char **spp;
int fd;
#if HAVE_AFINET6
extern struct aftype inet6_aftype;
struct sockaddr_in6 sa6;
struct in6_ifreq ifr6;
unsigned long prefix_len;
char *cp;
#endif
#if HAVE_AFINET
extern struct aftype inet_aftype;
#endif
#if I18N
setlocale (LC_ALL, "");
bindtextdomain("net-tools", "/usr/share/locale");
textdomain("net-tools");
#endif
/* Find any options. */
argc--;
argv++;
while (argc && *argv[0] == '-') {
if (!strcmp(*argv, "-a"))
opt_a = 1;
else if (!strcmp(*argv, "-s"))
ife_short = 1;
else if (!strcmp(*argv, "-v"))
opt_v = 1;
else if (!strcmp(*argv, "-V") || !strcmp(*argv, "-version") ||
!strcmp(*argv, "--version"))
version();
else if (!strcmp(*argv, "-?") || !strcmp(*argv, "-h") ||
!strcmp(*argv, "-help") || !strcmp(*argv, "--help"))
usage();
else {
fprintf(stderr, _("ifconfig: option `%s' not recognised.\n"),
argv[0]);
fprintf(stderr, _("ifconfig: `--help' gives usage information.\n"));
exit(1);
}
argv++;
argc--;
}
/* Create a channel to the NET kernel. */
if ((skfd = sockets_open(0)) < 0) {
perror("socket");
exit(1);
}
/* Do we have to show the current setup? */
if (argc == 0) {
int err = if_print((char *) NULL);
(void) close(skfd);
exit(err < 0);
}
/* No. Fetch the interface name. */
spp = argv;
safe_strncpy(ifr.ifr_name, *spp++, IFNAMSIZ);
if (*spp == (char *) NULL) {
int err = if_print(ifr.ifr_name);
(void) close(skfd);
exit(err < 0);
}
/* The next argument is either an address family name, or an option. */
if ((ap = get_aftype(*spp)) != NULL)
spp++; /* it was a AF name */
else
ap = get_aftype(DFLT_AF);
if (ap) {
addr_family = ap->af;
skfd = ap->fd;
}
/* Process the remaining arguments. */
while (*spp != (char *) NULL) {
if (!strcmp(*spp, "arp")) {
goterr |= clr_flag(ifr.ifr_name, IFF_NOARP);
spp++;
continue;
}
if (!strcmp(*spp, "-arp")) {
goterr |= set_flag(ifr.ifr_name, IFF_NOARP);
spp++;
continue;
}
#ifdef IFF_PORTSEL
if (!strcmp(*spp, "media") || !strcmp(*spp, "port")) {
if (*++spp == NULL)
usage();
if (!strcasecmp(*spp, "auto")) {
goterr |= set_flag(ifr.ifr_name, IFF_AUTOMEDIA);
} else {
int i, j, newport;
char *endp;
newport = strtol(*spp, &endp, 10);
if (*endp != 0) {
newport = -1;
for (i = 0; if_port_text[i][0] && newport == -1; i++) {
for (j = 0; if_port_text[i][j]; j++) {
if (!strcasecmp(*spp, if_port_text[i][j])) {
newport = i;
break;
}
}
}
}
spp++;
if (newport == -1) {
fprintf(stderr, _("Unknown media type.\n"));
goterr = 1;
} else {
if (ioctl(skfd, SIOCGIFMAP, &ifr) < 0) {
perror("port: SIOCGIFMAP");
goterr = 1;
continue;
}
ifr.ifr_map.port = newport;
if (ioctl(skfd, SIOCSIFMAP, &ifr) < 0) {
perror("port: SIOCSIFMAP");
goterr = 1;
}
}
}
continue;
}
#endif
if (!strcmp(*spp, "trailers")) {
goterr |= clr_flag(ifr.ifr_name, IFF_NOTRAILERS);
spp++;
continue;
}
if (!strcmp(*spp, "-trailers")) {
goterr |= set_flag(ifr.ifr_name, IFF_NOTRAILERS);
spp++;
continue;
}
if (!strcmp(*spp, "promisc")) {
goterr |= set_flag(ifr.ifr_name, IFF_PROMISC);
spp++;
continue;
}
if (!strcmp(*spp, "-promisc")) {
goterr |= clr_flag(ifr.ifr_name, IFF_PROMISC);
if (test_flag(ifr.ifr_name, IFF_PROMISC) > 0)
fprintf(stderr, _("Warning: Interface %s still in promisc mode... maybe other application is running?\n"), ifr.ifr_name);
spp++;
continue;
}
if (!strcmp(*spp, "multicast")) {
goterr |= set_flag(ifr.ifr_name, IFF_MULTICAST);
spp++;
continue;
}
if (!strcmp(*spp, "-multicast")) {
goterr |= clr_flag(ifr.ifr_name, IFF_MULTICAST);
if (test_flag(ifr.ifr_name, IFF_MULTICAST) > 0)
fprintf(stderr, _("Warning: Interface %s still in MULTICAST mode.\n"), ifr.ifr_name);
spp++;
continue;
}
if (!strcmp(*spp, "allmulti")) {
goterr |= set_flag(ifr.ifr_name, IFF_ALLMULTI);
spp++;
continue;
}
if (!strcmp(*spp, "-allmulti")) {
goterr |= clr_flag(ifr.ifr_name, IFF_ALLMULTI);
if (test_flag(ifr.ifr_name, IFF_MULTICAST) > 0)
fprintf(stderr, _("Warning: Interface %s still in ALLMULTI mode.\n"), ifr.ifr_name);
spp++;
continue;
}
if (!strcmp(*spp, "up")) {
goterr |= set_flag(ifr.ifr_name, (IFF_UP | IFF_RUNNING));
spp++;
continue;
}
if (!strcmp(*spp, "down")) {
goterr |= clr_flag(ifr.ifr_name, IFF_UP);
spp++;
continue;
}
#ifdef HAVE_DYNAMIC
if (!strcmp(*spp, "dynamic")) {
goterr |= set_flag(ifr.ifr_name, IFF_DYNAMIC);
spp++;
continue;
}
if (!strcmp(*spp, "-dynamic")) {
goterr |= clr_flag(ifr.ifr_name, IFF_DYNAMIC);
spp++;
if (test_flag(ifr.ifr_name, IFF_MULTICAST) > 0)
fprintf(stderr, _("Warning: Interface %s still in DYNAMIC mode.\n"), ifr.ifr_name);
continue;
}
#endif
if (!strcmp(*spp, "metric")) {
if (*++spp == NULL)
usage();
ifr.ifr_metric = atoi(*spp);
if (ioctl(skfd, SIOCSIFMETRIC, &ifr) < 0) {
fprintf(stderr, "SIOCSIFMETRIC: %s\n", strerror(errno));
goterr = 1;
}
spp++;
continue;
}
if (!strcmp(*spp, "mtu")) {
if (*++spp == NULL)
usage();
ifr.ifr_mtu = atoi(*spp);
if (ioctl(skfd, SIOCSIFMTU, &ifr) < 0) {
fprintf(stderr, "SIOCSIFMTU: %s\n", strerror(errno));
goterr = 1;
}
spp++;
continue;
}
#ifdef SIOCSKEEPALIVE
if (!strcmp(*spp, "keepalive")) {
if (*++spp == NULL)
usage();
ifr.ifr_data = (caddr_t) atoi(*spp);
if (ioctl(skfd, SIOCSKEEPALIVE, &ifr) < 0) {
fprintf(stderr, "SIOCSKEEPALIVE: %s\n", strerror(errno));
goterr = 1;
}
spp++;
continue;
}
#endif
#ifdef SIOCSOUTFILL
if (!strcmp(*spp, "outfill")) {
if (*++spp == NULL)
usage();
ifr.ifr_data = (caddr_t) atoi(*spp);
if (ioctl(skfd, SIOCSOUTFILL, &ifr) < 0) {
fprintf(stderr, "SIOCSOUTFILL: %s\n", strerror(errno));
goterr = 1;
}
spp++;
continue;
}
#endif
if (!strcmp(*spp, "-broadcast")) {
goterr |= clr_flag(ifr.ifr_name, IFF_BROADCAST);
if (test_flag(ifr.ifr_name, IFF_MULTICAST) > 0)
fprintf(stderr, _("Warning: Interface %s still in BROADCAST mode.\n"), ifr.ifr_name);
spp++;
continue;
}
if (!strcmp(*spp, "broadcast")) {
if (*++spp != NULL) {
safe_strncpy(host, *spp, (sizeof host));
if (ap->input(0, host, &sa) < 0) {
if (ap->herror)
ap->herror(host);
else
fprintf(stderr, _("ifconfig: Error resolving '%s' for broadcast\n"), host);
goterr = 1;
spp++;
continue;
}
memcpy((char *) &ifr.ifr_broadaddr, (char *) &sa,
sizeof(struct sockaddr));
if (ioctl(ap->fd, SIOCSIFBRDADDR, &ifr) < 0) {
fprintf(stderr, "SIOCSIFBRDADDR: %s\n",
strerror(errno));
goterr = 1;
}
spp++;
}
goterr |= set_flag(ifr.ifr_name, IFF_BROADCAST);
continue;
}
if (!strcmp(*spp, "dstaddr")) {
if (*++spp == NULL)
usage();
safe_strncpy(host, *spp, (sizeof host));
if (ap->input(0, host, &sa) < 0) {
if (ap->herror)
ap->herror(host);
else
fprintf(stderr, _("ifconfig: Error resolving '%s' for dstaddr\n"), host);
goterr = 1;
spp++;
continue;
}
memcpy((char *) &ifr.ifr_dstaddr, (char *) &sa,
sizeof(struct sockaddr));
if (ioctl(ap->fd, SIOCSIFDSTADDR, &ifr) < 0) {
fprintf(stderr, "SIOCSIFDSTADDR: %s\n",
strerror(errno));
goterr = 1;
}
spp++;
continue;
}
if (!strcmp(*spp, "netmask")) {
if (*++spp == NULL || didnetmask)
usage();
safe_strncpy(host, *spp, (sizeof host));
if (ap->input(0, host, &sa) < 0) {
if (ap->herror)
ap->herror(host);
else
fprintf(stderr, _("ifconfig: Error resolving '%s' for netmask\n"), host);
goterr = 1;
spp++;
continue;
}
didnetmask++;
goterr |= set_netmask(ap->fd, &ifr, &sa);
spp++;
continue;
}
#ifdef HAVE_TXQUEUELEN
if (!strcmp(*spp, "txqueuelen")) {
if (*++spp == NULL)
usage();
ifr.ifr_qlen = strtoul(*spp, NULL, 0);
if (ioctl(skfd, SIOCSIFTXQLEN, &ifr) < 0) {
fprintf(stderr, "SIOCSIFTXQLEN: %s\n", strerror(errno));
goterr = 1;
}
spp++;
continue;
}
#endif
if (!strcmp(*spp, "mem_start")) {
if (*++spp == NULL)
usage();
if (ioctl(skfd, SIOCGIFMAP, &ifr) < 0) {
fprintf(stderr, "mem_start: SIOCGIFMAP: %s\n", strerror(errno));
spp++;
goterr = 1;
continue;
}
ifr.ifr_map.mem_start = strtoul(*spp, NULL, 0);
if (ioctl(skfd, SIOCSIFMAP, &ifr) < 0) {
fprintf(stderr, "mem_start: SIOCSIFMAP: %s\n", strerror(errno));
goterr = 1;
}
spp++;
continue;
}
if (!strcmp(*spp, "io_addr")) {
if (*++spp == NULL)
usage();
if (ioctl(skfd, SIOCGIFMAP, &ifr) < 0) {
fprintf(stderr, "io_addr: SIOCGIFMAP: %s\n", strerror(errno));
spp++;
goterr = 1;
continue;
}
ifr.ifr_map.base_addr = strtol(*spp, NULL, 0);
if (ioctl(skfd, SIOCSIFMAP, &ifr) < 0) {
fprintf(stderr, "io_addr: SIOCSIFMAP: %s\n", strerror(errno));
goterr = 1;
}
spp++;
continue;
}
if (!strcmp(*spp, "irq")) {
if (*++spp == NULL)
usage();
if (ioctl(skfd, SIOCGIFMAP, &ifr) < 0) {
fprintf(stderr, "irq: SIOCGIFMAP: %s\n", strerror(errno));
goterr = 1;
spp++;
continue;
}
ifr.ifr_map.irq = atoi(*spp);
if (ioctl(skfd, SIOCSIFMAP, &ifr) < 0) {
fprintf(stderr, "irq: SIOCSIFMAP: %s\n", strerror(errno));
goterr = 1;
}
spp++;
continue;
}
if (!strcmp(*spp, "-pointopoint")) {
goterr |= clr_flag(ifr.ifr_name, IFF_POINTOPOINT);
spp++;
if (test_flag(ifr.ifr_name, IFF_MULTICAST) > 0)
fprintf(stderr, _("Warning: Interface %s still in POINTOPOINT mode.\n"), ifr.ifr_name);
continue;
}
if (!strcmp(*spp, "pointopoint")) {
if (*(spp + 1) != NULL) {
spp++;
safe_strncpy(host, *spp, (sizeof host));
if (ap->input(0, host, &sa)) {
if (ap->herror)
ap->herror(host);
else
fprintf(stderr, _("ifconfig: Error resolving '%s' for pointopoint\n"), host);
goterr = 1;
spp++;
continue;
}
memcpy((char *) &ifr.ifr_dstaddr, (char *) &sa,
sizeof(struct sockaddr));
if (ioctl(ap->fd, SIOCSIFDSTADDR, &ifr) < 0) {
fprintf(stderr, "SIOCSIFDSTADDR: %s\n",
strerror(errno));
goterr = 1;
}
}
goterr |= set_flag(ifr.ifr_name, IFF_POINTOPOINT);
spp++;
continue;
};
if (!strcmp(*spp, "hw")) {
if (*++spp == NULL)
usage();
if ((hw = get_hwtype(*spp)) == NULL)
usage();
if (hw->input == NULL) {
fprintf(stderr, _("hw address type `%s' has no handler to set address. failed.\n"), *spp);
spp+=2;
goterr = 1;
continue;
}
if (*++spp == NULL)
usage();
safe_strncpy(host, *spp, (sizeof host));
if (hw->input(host, &sa) < 0) {
fprintf(stderr, _("%s: invalid %s address.\n"), host, hw->name);
goterr = 1;
spp++;
continue;
}
memcpy((char *) &ifr.ifr_hwaddr, (char *) &sa,
sizeof(struct sockaddr));
if (ioctl(skfd, SIOCSIFHWADDR, &ifr) < 0) {
if (errno == EBUSY)
fprintf(stderr, "SIOCSIFHWADDR: %s - you may need to down the interface\n",
strerror(errno));
else
fprintf(stderr, "SIOCSIFHWADDR: %s\n",
strerror(errno));
goterr = 1;
}
spp++;
continue;
}
#if HAVE_AFINET || HAVE_AFINET6
if (!strcmp(*spp, "add")) {
if (*++spp == NULL)
usage();
#if HAVE_AFINET6
if (strchr(*spp, ':')) {
/* INET6 */
if ((cp = strchr(*spp, '/'))) {
prefix_len = atol(cp + 1);
if ((prefix_len < 0) || (prefix_len > 128))
usage();
*cp = 0;
} else {
prefix_len = 128;
}
safe_strncpy(host, *spp, (sizeof host));
if (inet6_aftype.input(1, host,
(struct sockaddr *) &sa6) < 0) {
if (inet6_aftype.herror)
inet6_aftype.herror(host);
else
fprintf(stderr, _("ifconfig: Error resolving '%s' for add\n"), host);
goterr = 1;
spp++;
continue;
}
memcpy((char *) &ifr6.ifr6_addr, (char *) &sa6.sin6_addr,
sizeof(struct in6_addr));
fd = get_socket_for_af(AF_INET6);
if (fd < 0) {
fprintf(stderr,
_("No support for INET6 on this system.\n"));
goterr = 1;
spp++;
continue;
}
if (ioctl(fd, SIOGIFINDEX, &ifr) < 0) {
perror("SIOGIFINDEX");
goterr = 1;
spp++;
continue;
}
ifr6.ifr6_ifindex = ifr.ifr_ifindex;
ifr6.ifr6_prefixlen = prefix_len;
if (ioctl(fd, SIOCSIFADDR, &ifr6) < 0) {
perror("SIOCSIFADDR");
goterr = 1;
}
spp++;
continue;
}
#endif
#ifdef HAVE_AFINET
{ /* ipv4 address a.b.c.d */
unsigned long ip, nm, bc;
safe_strncpy(host, *spp, (sizeof host));
if (inet_aftype.input(0, host, (struct sockaddr *)&sin) < 0) {
ap->herror(host);
goterr = 1;
spp++;
continue;
}
fd = get_socket_for_af(AF_INET);
if (fd < 0) {
fprintf(stderr,
_("No support for INET on this system.\n"));
goterr = 1;
spp++;
continue;
}
memcpy(&ip, &sin.sin_addr.s_addr, sizeof(unsigned long));
if (get_nmbc_parent(ifr.ifr_name, &nm, &bc) < 0) {
fprintf(stderr, _("Interface %s not initialized\n"),
ifr.ifr_name);
goterr = 1;
spp++;
continue;
}
set_ifstate(ifr.ifr_name, ip, nm, bc, 1);
}
spp++;
continue;
#else
fprintf(stderr, _("Bad address.\n"));
#endif
}
#endif
#if HAVE_AFINET || HAVE_AFINET6
if (!strcmp(*spp, "del")) {
if (*++spp == NULL)
usage();
#ifdef SIOCDIFADDR
#if HAVE_AFINET6
if (strchr(*spp, ':')) { /* INET6 */
if ((cp = strchr(*spp, '/'))) {
prefix_len = atol(cp + 1);
if ((prefix_len < 0) || (prefix_len > 128))
usage();
*cp = 0;
} else {
prefix_len = 128;
}
safe_strncpy(host, *spp, (sizeof host));
if (inet6_aftype.input(1, host,
(struct sockaddr *) &sa6) < 0) {
inet6_aftype.herror(host);
goterr = 1;
spp++;
continue;
}
memcpy((char *) &ifr6.ifr6_addr, (char *) &sa6.sin6_addr,
sizeof(struct in6_addr));
fd = get_socket_for_af(AF_INET6);
if (fd < 0) {
fprintf(stderr,
_("No support for INET6 on this system.\n"));
goterr = 1;
spp++;
continue;
}
if (ioctl(fd, SIOGIFINDEX, &ifr) < 0) {
perror("SIOGIFINDEX");
goterr = 1;
spp++;
continue;
}
ifr6.ifr6_ifindex = ifr.ifr_ifindex;
ifr6.ifr6_prefixlen = prefix_len;
if (opt_v)
fprintf(stderr, "now deleting: ioctl(SIOCDIFADDR,{ifindex=%d,prefixlen=%ld})\n",ifr.ifr_ifindex,prefix_len);
if (ioctl(fd, SIOCDIFADDR, &ifr6) < 0) {
fprintf(stderr, "SIOCDIFADDR: %s\n",
strerror(errno));
goterr = 1;
}
spp++;
continue;
}
#endif
#ifdef HAVE_AFINET
{
/* ipv4 address a.b.c.d */
unsigned long ip, nm, bc;
safe_strncpy(host, *spp, (sizeof host));
if (inet_aftype.input(0, host, (struct sockaddr *)&sin) < 0) {
ap->herror(host);
goterr = 1;
spp++;
continue;
}
fd = get_socket_for_af(AF_INET);
if (fd < 0) {
fprintf(stderr, _("No support for INET on this system.\n"));
goterr = 1;
spp++;
continue;
}
memcpy(&ip, &sin.sin_addr.s_addr, sizeof(unsigned long));
if (get_nmbc_parent(ifr.ifr_name, &nm, &bc) < 0) {
fprintf(stderr, _("Interface %s not initialized\n"),
ifr.ifr_name);
goterr = 1;
spp++;
continue;
}
set_ifstate(ifr.ifr_name, ip, nm, bc, 0);
}
spp++;
continue;
#else
fprintf(stderr, _("Bad address.\n"));
#endif
#else
fprintf(stderr, _("Address deletion not supported on this system.\n"));
#endif
}
#endif
#if HAVE_AFINET6
if (!strcmp(*spp, "tunnel")) {
if (*++spp == NULL)
usage();
if ((cp = strchr(*spp, '/'))) {
prefix_len = atol(cp + 1);
if ((prefix_len < 0) || (prefix_len > 128))
usage();
*cp = 0;
} else {
prefix_len = 128;
}
safe_strncpy(host, *spp, (sizeof host));
if (inet6_aftype.input(1, host, (struct sockaddr *) &sa6) < 0) {
inet6_aftype.herror(host);
goterr = 1;
spp++;
continue;
}
memcpy((char *) &ifr6.ifr6_addr, (char *) &sa6.sin6_addr,
sizeof(struct in6_addr));
fd = get_socket_for_af(AF_INET6);
if (fd < 0) {
fprintf(stderr, _("No support for INET6 on this system.\n"));
goterr = 1;
spp++;
continue;
}
if (ioctl(fd, SIOGIFINDEX, &ifr) < 0) {
perror("SIOGIFINDEX");
goterr = 1;
spp++;
continue;
}
ifr6.ifr6_ifindex = ifr.ifr_ifindex;
ifr6.ifr6_prefixlen = prefix_len;
if (ioctl(fd, SIOCSIFDSTADDR, &ifr6) < 0) {
fprintf(stderr, "SIOCSIFDSTADDR: %s\n",
strerror(errno));
goterr = 1;
}
spp++;
continue;
}
#endif
/* If the next argument is a valid hostname, assume OK. */
safe_strncpy(host, *spp, (sizeof host));
/* FIXME: sa is too small for INET6 addresses, inet6 should use that too,
broadcast is unexpected */
if (ap->getmask) {
switch (ap->getmask(host, &samask, NULL)) {
case -1:
usage();
break;
case 1:
if (didnetmask)
usage();
// remeber to set the netmask from samask later
neednetmask = 1;
break;
}
}
if (ap->input == NULL) {
fprintf(stderr, _("ifconfig: Cannot set address for this protocol family.\n"));
exit(1);
}
if (ap->input(0, host, &sa) < 0) {
if (ap->herror)
ap->herror(host);
else
fprintf(stderr,_("ifconfig: error resolving '%s' to set address for af=%s\n"), host, ap->name); fprintf(stderr,
_("ifconfig: `--help' gives usage information.\n")); exit(1);
}
memcpy((char *) &ifr.ifr_addr, (char *) &sa, sizeof(struct sockaddr));
{
int r = 0; /* to shut gcc up */
switch (ap->af) {
#if HAVE_AFINET
case AF_INET:
fd = get_socket_for_af(AF_INET);
if (fd < 0) {
fprintf(stderr, _("No support for INET on this system.\n"));
exit(1);
}
r = ioctl(fd, SIOCSIFADDR, &ifr);
break;
#endif
#if HAVE_AFECONET
case AF_ECONET:
fd = get_socket_for_af(AF_ECONET);
if (fd < 0) {
fprintf(stderr, _("No support for ECONET on this system.\n"));
exit(1);
}
r = ioctl(fd, SIOCSIFADDR, &ifr);
break;
#endif
default:
fprintf(stderr,
_("Don't know how to set addresses for family %d.\n"), ap->af);
exit(1);
}
if (r < 0) {
perror("SIOCSIFADDR");
goterr = 1;
}
}
/*
* Don't do the set_flag() if the address is an alias with a - at the
* end, since it's deleted already! - Roman
*
* Should really use regex.h here, not sure though how well it'll go
* with the cross-platform support etc.
*/
{
char *ptr;
short int found_colon = 0;
for (ptr = ifr.ifr_name; *ptr; ptr++ )
if (*ptr == ':') found_colon++;
if (!(found_colon && *(ptr - 1) == '-'))
goterr |= set_flag(ifr.ifr_name, (IFF_UP | IFF_RUNNING));
}
spp++;
}
if (neednetmask) {
goterr |= set_netmask(skfd, &ifr, &samask);
didnetmask++;
}
if (opt_v && goterr)
fprintf(stderr, _("WARNING: at least one error occured. (%d)\n"), goterr);
return (goterr);
}
