/* gdb_input: Handles user input to the GDB window.
* ----------
*
* key: Keystroke received.
*
* Return Value: 0 if internal key was used,
* 1 if input to gdb or ...
* -1 : Error resizing terminal -- terminal too small
*/
static int gdb_input(int key)
{
/* Handle special keys */
switch (key) {
case CGDB_KEY_PPAGE:
scr_up(gdb_win, get_gdb_height() - 1);
break;
case CGDB_KEY_NPAGE:
scr_down(gdb_win, get_gdb_height() - 1);
break;
case CGDB_KEY_F11:
scr_home(gdb_win);
break;
case CGDB_KEY_F12:
scr_end(gdb_win);
break;
#if 0
/* I would like to add better support for control-l in the GDB
* window, but this patch didn't make me happy enough to release it.
* The problem is, when it clears the screen, it adds a lot of
* whitespace in the buffer. If you hit page-up to look back in
* the buffer, it's visible. This is really unacceptable.
*
* The approach I believe I would like to take with this, is to
* have the GDB window behave more like the terminal. That is,
* have GDB start at the top line, and move down as input
* becomes available. Then, when you hit ctrl-l, you just move
* the prompt to the top line. */
case CGDB_KEY_CTRL_L:
{
int height = get_gdb_height(), i;
/* Allocate and print enough newlines to clear the gdb buffer. */
char *buf = (char *) cgdb_malloc(sizeof (char *) * height);
for (i = 0; i < height - 1; ++i) {
buf[i] = '\n';
}
buf[i] = '\0';
if_print(buf);
free(buf);
/* Sneaky return 1 here. Basically, this allows tricks readline to think
* that gdb did not handle the Ctrl-l. That way readline will also handle
* it. Because readline uses TERM=dumb, that means that it will clear a
* single line and put out the prompt. */
return 1;
break;
}
#endif
default:
return 1;
}
if_draw();
return 0;
}
int if_clear_line()
{
std::string line;
line.push_back('\r');
line.append(get_gdb_width(), ' ');
line.push_back('\r');
if_print(line.c_str());
return 0;
}
void if_print_message(const char *fmt, ...)
{
va_list ap;
char va_buf[MAXLINE];
/* Get the buffer with format */
va_start(ap, fmt);
#ifdef HAVE_VSNPRINTF
vsnprintf(va_buf, sizeof (va_buf), fmt, ap); /* this is safe */
#else
vsprintf(va_buf, fmt, ap); /* this is not safe */
#endif
va_end(ap);
if_print(va_buf);
}
int if_clear_line()
{
int width = get_gdb_width();
int i;
char line[width + 3];
line[0] = '\r';
for (i = 1; i <= width; ++i)
line[i] = ' ';
line[i] = '\r';
line[i + 1] = '\0';
if_print(line);
return 0;
}
void if_tty_print(const char *buf)
{
/* If the tty I/O window is not open send output to gdb window */
if (!tty_win_on)
if_print(buf);
/* Print it to the scroller */
scr_add(tty_win, buf);
/* Only need to redraw if tty_win is being displayed */
if (tty_win_on && get_gdb_height() > 0) {
scr_refresh(tty_win, focus == TTY);
/* Make sure cursor reappears in source window if focus is there */
if (focus == CGDB)
wrefresh(src_win->win);
}
}
static int readline_input()
{
const int MAX = 1024;
char *buf = malloc(MAX + 1);
int size;
int masterfd = pty_pair_get_masterfd(pty_pair);
if (masterfd == -1) {
logger_write_pos(logger, __FILE__, __LINE__,
"pty_pair_get_masterfd error");
return -1;
}
size = read(masterfd, buf, MAX);
if (size == -1) {
logger_write_pos(logger, __FILE__, __LINE__, "read error");
free(buf);
buf = NULL;
return -1;
}
buf[size] = 0;
/* Display GDB output
* The strlen check is here so that if_print does not get called
* when displaying the filedlg. If it does get called, then the
* gdb window gets displayed when the filedlg is up
*/
if (size > 0)
if_print(buf);
free(buf);
buf = NULL;
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);
}
/*
* returns interface list with detailed informations
*/
struct iface * if_list_get() {
/*
* Translating between Mac OS X internal representation of link and IP address
* and Dibbler internal format.
*/
struct ifaddrs *addrs_lst = NULL; // list returned by system
struct ifaddrs *addr_ptr = NULL; // single address
struct iface *iface_lst = NULL; // interface list
struct iface *iface_ptr = NULL; // pointer to single interface
if (getifaddrs(&addrs_lst) != 0) {
perror("Error in getifaddrs: ");
return iface_lst;
}
/* First pass through entire addrs_lst: collect unique interface names and flags */
addr_ptr = addrs_lst;
while (addr_ptr != NULL) {
// check if this interface name is already on target list
iface_ptr = iface_lst;
while (iface_ptr!=NULL) {
if (!strcmp(addr_ptr->ifa_name, iface_ptr->name))
break;
iface_ptr = iface_ptr->next;
}
if (!iface_ptr) { // interface with that name not found, let's add one!
iface_ptr = malloc(sizeof(struct iface));
memset(iface_ptr, 0, sizeof(struct iface));
strncpy(iface_ptr->name, addr_ptr->ifa_name, MAX_IFNAME_LENGTH - 1);
iface_ptr->name[MAX_IFNAME_LENGTH-1] = 0;
iface_ptr->id = if_nametoindex(iface_ptr->name);
iface_ptr->flags = addr_ptr->ifa_flags;
#ifdef LOWLEVEL_DEBUG
printf("Detected interface %s, ifindex=%d, flags=%d\n",
iface_ptr->name, iface_ptr->id, iface_ptr->flags);
#endif
// add this new structure to the end of the interfaces list
iface_lst = if_list_add(iface_lst, iface_ptr);
}
addr_ptr = addr_ptr->ifa_next;
}
/*
* Second pass through addrs_lst: collect link and IP layer info for each interface
* by name
*/
// for each address...
for (addr_ptr = addrs_lst; addr_ptr != NULL; addr_ptr = addr_ptr->ifa_next) {
for (iface_ptr = iface_lst; iface_ptr != NULL; iface_ptr = iface_ptr->next) {
// ... find its corresponding interface
if (strncmp(iface_ptr->name, addr_ptr->ifa_name, strlen(addr_ptr->ifa_name)))
continue;
switch (addr_ptr->ifa_addr->sa_family)
{
case AF_INET6:
{
char * ptr = (char*)(&((struct sockaddr_in6 *) addr_ptr->ifa_addr)->sin6_addr);
if (ptr[0] == 0xfe && ptr[1] == 0x80) { // link-local IPv6 address
char * addrs = malloc( (iface_ptr->linkaddrcount+1)*16);
memcpy(addrs, iface_ptr->linkaddr, 16*iface_ptr->linkaddrcount);
memcpy(addrs + 16*iface_ptr->linkaddrcount, ptr, 16);
free(iface_ptr->linkaddr);
iface_ptr->linkaddr = addrs;
iface_ptr->linkaddrcount++;
} else { // this is global address
char * addrs = malloc( (iface_ptr->globaladdrcount+1)*16);
memcpy(addrs, iface_ptr->globaladdr, 16*iface_ptr->globaladdrcount);
memcpy(addrs + 16*iface_ptr->globaladdrcount, ptr, 16);
free(iface_ptr->globaladdr);
iface_ptr->globaladdr = addrs;
iface_ptr->globaladdrcount++;
}
break;
} // end of AF_INET6 handling
case AF_LINK:
{
struct sockaddr_dl *linkInfo;
linkInfo = (struct sockaddr_dl *) addr_ptr->ifa_addr;
// Note: sdl_type is unsigned character; hardwareType is integer
iface_ptr->hardwareType = linkInfo->sdl_type;
if (linkInfo->sdl_alen > 1) {
memcpy(iface_ptr->mac, LLADDR(linkInfo),
linkInfo->sdl_alen);
iface_ptr->maclen = linkInfo->sdl_alen;
}
break;
}
default:
break; // ignore other address families
}
}
}
/* Print out iface_lst data if debug mode */
#ifdef LOWLEVEL_DEBUG
iface_ptr = iface_lst;
while (iface_ptr) {
if_print(iface_ptr);
iface_ptr = iface_ptr->next;
}
#endif
return iface_lst;
} /* end of if_list_get */
/**
* The goal of this function is to display the tab completion information
* to the user in an asychronous and potentially interactive manner.
*
* It will output to the screen as much as can be until user input is needed.
* If user input is needed, then this function must stop, and wait until
* that data has been recieved.
*
* If this function is called a second time with the same completion_ptr
* parameter, it will continue outputting the tab completion data from
* where it left off.
*
* \param completion_ptr
* The tab completion data to output to the user
*
* \param key
* The key the user wants to pass to the query command that was made.
* If -1, then this is assummed to be the first time this function has been
* called.
*
* \return
* 0 on success or -1 on error
*/
static int handle_tab_completion_request(tab_completion_ptr comptr, int key)
{
int query_items;
int gdb_window_size;
if (!comptr)
return -1;
query_items = rline_get_rl_completion_query_items(rline);
gdb_window_size = get_gdb_height();
if (comptr->state == TAB_COMPLETION_START) {
if_print("\n");
if (query_items > 0 && comptr->num_matches >= query_items) {
if_print_message("Display all %d possibilities? (y or n)\n",
comptr->num_matches);
comptr->state = TAB_COMPLETION_QUERY_POSSIBILITIES;
return 0;
}
comptr->state = TAB_COMPLETION_COMPLETION_DISPLAY;
}
if (comptr->state == TAB_COMPLETION_QUERY_POSSIBILITIES) {
int val = cgdb_get_y_or_n(key, 0);
if (val == 1)
comptr->state = TAB_COMPLETION_COMPLETION_DISPLAY;
else if (val == 0)
comptr->state = TAB_COMPLETION_DONE;
else
return 0; /* stay at the same state */
}
if (comptr->state == TAB_COMPLETION_QUERY_PAGER) {
int i = cgdb_get_y_or_n(key, 1);
if_clear_line(); /* Clear the --More-- */
if (i == 0)
comptr->state = TAB_COMPLETION_DONE;
else if (i == 2) {
comptr->lines--;
comptr->state = TAB_COMPLETION_COMPLETION_DISPLAY;
} else {
comptr->lines = 0;
comptr->state = TAB_COMPLETION_COMPLETION_DISPLAY;
}
}
if (comptr->state == TAB_COMPLETION_COMPLETION_DISPLAY) {
for (; comptr->total <= comptr->num_matches; comptr->total++) {
if_print(comptr->matches[comptr->total]);
if_print("\n");
comptr->lines++;
if (comptr->lines >= (gdb_window_size - 1) &&
comptr->total < comptr->num_matches) {
if_print("--More--");
comptr->state = TAB_COMPLETION_QUERY_PAGER;
comptr->total++;
return 0;
}
}
comptr->state = TAB_COMPLETION_DONE;
}
if (comptr->state == TAB_COMPLETION_DONE) {
tab_completion_destroy(completion_ptr);
completion_ptr = NULL;
is_tab_completing = 0;
rline_rl_forced_update_display(rline);
}
return 0;
}
/* gdb_input: Recieves data from tgdb:
*
* Returns: -1 on error, 0 on success
*/
static int gdb_input()
{
char *buf = malloc(GDB_MAXBUF + 1);
int size;
int is_finished;
/* Read from GDB */
size = tgdb_process(tgdb, buf, GDB_MAXBUF, &is_finished);
if (size == -1) {
logger_write_pos(logger, __FILE__, __LINE__,
"tgdb_recv_debugger_data error");
free(buf);
buf = NULL;
return -1;
}
buf[size] = 0;
process_commands(tgdb);
/* Display GDB output
* The strlen check is here so that if_print does not get called
* when displaying the filedlg. If it does get called, then the
* gdb window gets displayed when the filedlg is up
*/
if (strlen(buf) > 0)
if_print(buf);
free(buf);
buf = NULL;
/* Check to see if GDB is ready to recieve another command. If it is, then
* readline should redisplay what it currently contains. There are 2 special
* case's here.
*
* If there are no commands in the queue to send to GDB then readline
* should simply redisplay what it has currently in it's buffer.
* rl_forced_update_display does this.
*
* However, if there are commands in the queue to send to GDB, that means
* the user already entered these through readline. In that case, simply
* write the command entered through readline directly, instead of having
* readline do it (readline already processed the data). This is important
* also because rl_forced_update_display doesn't write the data right away.
* It writes data to rl_outstream, and then the main_loop handles both the
* readline data and the data from the TGDB command being sent. This could
* result in a race condition.
*/
if (is_finished) {
int size;
tgdb_queue_size(tgdb, &size);
/* This is the second case, this command was queued. */
if (size > 0) {
struct tgdb_request *request = tgdb_queue_pop(tgdb);
char *prompt;
rline_get_prompt(rline, &prompt);
if_print(prompt);
if (request->header == TGDB_REQUEST_CONSOLE_COMMAND) {
if_print(request->choice.console_command.command);
if_print("\n");
}
last_request = request;
tgdb_process_command(tgdb, request);
/* This is the first case */
}
/** If the user is currently completing, do not update the prompt */
else if (!completion_ptr) {
int update = 1, ret_val;
if (last_request) {
ret_val =
does_request_require_console_update(last_request,
&update);
if (ret_val == -1)
return -1;
last_request = NULL;
}
if (update)
rline_rl_forced_update_display(rline);
}
}
return 0;
}
int
main(int argc, char **argv)
{
struct ifreq ifr2, if_hwaddr, if_ipaddr, if_metric, if_mtu, if_dstaddr;
struct ifreq if_netmask, if_brdaddr, if_flags;
int rv, goterr = 0;
int c, errflag = 0;
sa_family_t master_family;
char **spp, *master_ifname, *slave_ifname;
int hwaddr_notset;
int abi_ver = 0;
while ((c = getopt_long(argc, argv, "acdfrvV?h", longopts, 0)) != EOF)
switch (c) {
case 'a': opt_a++; break;
case 'f': opt_f++; break;
case 'r': opt_r++; break;
case 'd': opt_d++; break;
case 'c': opt_c++; break;
case 'v': verbose++; break;
case 'V': opt_version++; break;
case 'h': opt_howto++; break;
case '?': errflag++;
}
/* option check */
if (opt_c)
if(opt_a || opt_f || opt_r || opt_d || verbose || opt_version ||
opt_howto || errflag ) {
fprintf(stderr, usage_msg);
return 2;
}
if (errflag) {
fprintf(stderr, usage_msg);
return 2;
}
if (opt_howto) {
fprintf(stderr, howto_msg);
return 0;
}
if (verbose || opt_version) {
printf(version);
if (opt_version)
exit(0);
}
/* Open a basic socket. */
if ((skfd = socket(AF_INET, SOCK_DGRAM,0)) < 0) {
perror("socket");
exit(-1);
}
if (verbose)
fprintf(stderr, "DEBUG: argc=%d, optind=%d and argv[optind] is %s.\n",
argc, optind, argv[optind]);
/* No remaining args means show all interfaces. */
if (optind == argc) {
if_print((char *)NULL);
(void) close(skfd);
exit(0);
}
/* Copy the interface name. */
spp = argv + optind;
master_ifname = *spp++;
slave_ifname = *spp++;
/* Check command line. */
if (opt_c) {
char **tempp = spp;
if ((master_ifname == NULL)||(slave_ifname == NULL)||(*tempp++ != NULL)) {
fprintf(stderr, usage_msg);
(void) close(skfd);
return 2;
}
}
/* A single args means show the configuration for this interface. */
if (slave_ifname == NULL) {
if_print(master_ifname);
(void) close(skfd);
exit(0);
}
/* exchange abi version with bonding driver */
abi_ver = get_abi_ver(master_ifname);
if (abi_ver < 0) {
(void) close(skfd);
exit(1);
}
/* Get the vitals from the master interface. */
{
struct ifreq *ifra[7] = { &if_ipaddr, &if_mtu, &if_dstaddr,
&if_brdaddr, &if_netmask, &if_flags,
&if_hwaddr };
const char *req_name[7] = {
"IP address", "MTU", "destination address",
"broadcast address", "netmask", "status flags",
"hardware address" };
const int ioctl_req_type[7] = {
SIOCGIFADDR, SIOCGIFMTU, SIOCGIFDSTADDR,
SIOCGIFBRDADDR, SIOCGIFNETMASK, SIOCGIFFLAGS,
SIOCGIFHWADDR };
int i;
for (i = 0; i < 7; i++) {
strncpy(ifra[i]->ifr_name, master_ifname, IFNAMSIZ);
if (ioctl(skfd, ioctl_req_type[i], ifra[i]) < 0) {
fprintf(stderr,
"Something broke getting the master's %s: %s.\n",
req_name[i], strerror(errno));
}
}
/* check if master is up; if not then fail any operation */
if (!(if_flags.ifr_flags & IFF_UP)) {
fprintf(stderr, "Illegal operation; the specified master interface '%s' is not up.\n", master_ifname);
(void) close(skfd);
exit (1);
}
hwaddr_notset = 1; /* assume master's address not set yet */
for (i = 0; hwaddr_notset && (i < 6); i++) {
hwaddr_notset &= ((unsigned char *)if_hwaddr.ifr_hwaddr.sa_data)[i] == 0;
}
/* The family '1' is ARPHRD_ETHER for ethernet. */
if (if_hwaddr.ifr_hwaddr.sa_family != 1 && !opt_f) {
fprintf(stderr, "The specified master interface '%s' is not"
" ethernet-like.\n This program is designed to work"
" with ethernet-like network interfaces.\n"
" Use the '-f' option to force the operation.\n",
master_ifname);
(void) close(skfd);
exit (1);
}
master_family = if_hwaddr.ifr_hwaddr.sa_family;
if (verbose) {
unsigned char *hwaddr = (unsigned char *)if_hwaddr.ifr_hwaddr.sa_data;
printf("The current hardware address (SIOCGIFHWADDR) of %s is type %d "
"%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x.\n", master_ifname,
if_hwaddr.ifr_hwaddr.sa_family, hwaddr[0], hwaddr[1],
hwaddr[2], hwaddr[3], hwaddr[4], hwaddr[5]);
}
}
/* do this when enslaving interfaces */
do {
if (opt_d) { /* detach a slave interface from the master */
strncpy(if_flags.ifr_name, master_ifname, IFNAMSIZ);
strncpy(if_flags.ifr_slave, slave_ifname, IFNAMSIZ);
if ((ioctl(skfd, SIOCBONDRELEASE, &if_flags) < 0) &&
(ioctl(skfd, BOND_RELEASE_OLD, &if_flags) < 0)) {
fprintf(stderr, "SIOCBONDRELEASE: cannot detach %s from %s. errno=%s.\n",
slave_ifname, master_ifname, strerror(errno));
}
else if (abi_ver < 1) {
/* The driver is using an old ABI, so we'll set the interface
* down to avoid any conflicts due to same IP/MAC
*/
strncpy(ifr2.ifr_name, slave_ifname, IFNAMSIZ);
if (ioctl(skfd, SIOCGIFFLAGS, &ifr2) < 0) {
int saved_errno = errno;
fprintf(stderr, "SIOCGIFFLAGS on %s failed: %s\n", slave_ifname,
strerror(saved_errno));
}
else {
ifr2.ifr_flags &= ~(IFF_UP | IFF_RUNNING);
if (ioctl(skfd, SIOCSIFFLAGS, &ifr2) < 0) {
int saved_errno = errno;
fprintf(stderr, "Shutting down interface %s failed: %s\n",
slave_ifname, strerror(saved_errno));
}
}
}
} else if (opt_c) { /* change primary slave */
strncpy(if_flags.ifr_name, master_ifname, IFNAMSIZ);
strncpy(if_flags.ifr_slave, slave_ifname, IFNAMSIZ);
if ((ioctl(skfd, SIOCBONDCHANGEACTIVE, &if_flags) < 0) &&
(ioctl(skfd, BOND_CHANGE_ACTIVE_OLD, &if_flags) < 0)) {
fprintf(stderr, "SIOCBONDCHANGEACTIVE: %s.\n", strerror(errno));
}
} else { /* attach a slave interface to the master */
strncpy(ifr2.ifr_name, slave_ifname, IFNAMSIZ);
if (ioctl(skfd, SIOCGIFFLAGS, &ifr2) < 0) {
int saved_errno = errno;
fprintf(stderr, "SIOCGIFFLAGS on %s failed: %s\n", slave_ifname,
strerror(saved_errno));
(void) close(skfd);
return 1;
}
if ((ifr2.ifr_flags & IFF_SLAVE) && !opt_r) {
fprintf(stderr, "%s is already a slave\n", slave_ifname);
(void) close(skfd);
return 1;
}
/* if hwaddr_notset, assign the slave hw address to the master */
if (hwaddr_notset) {
/* assign the slave hw address to the
* master since it currently does not
* have one; otherwise, slaves may
* have different hw addresses in
* active-backup mode as seen when enslaving
* using "ifenslave bond0 eth0 eth1" because
* hwaddr_notset is set outside this loop.
* TODO: put this and the "else" portion in
* a function.
*/
/* get the slaves MAC address */
strncpy(if_hwaddr.ifr_name, slave_ifname,
IFNAMSIZ);
rv = ioctl(skfd, SIOCGIFHWADDR, &if_hwaddr);
if (-1 == rv) {
fprintf(stderr, "Could not get MAC "
"address of %s: %s\n",
slave_ifname,
strerror(errno));
strncpy(if_hwaddr.ifr_name,
master_ifname, IFNAMSIZ);
goterr = 1;
}
if (!goterr) {
if (abi_ver < 1) {
/* In ABI versions older than 1, the
* master's set_mac routine couldn't
* work if it was up, because it
* used the default ethernet set_mac
* function.
*/
/* bring master down */
if_flags.ifr_flags &= ~IFF_UP;
if (ioctl(skfd, SIOCSIFFLAGS,
&if_flags) < 0) {
goterr = 1;
fprintf(stderr,
"Shutting down "
"interface %s failed: "
"%s\n",
master_ifname,
strerror(errno));
}
}
strncpy(if_hwaddr.ifr_name,
master_ifname, IFNAMSIZ);
if (ioctl(skfd, SIOCSIFHWADDR,
&if_hwaddr) < 0) {
fprintf(stderr,
"Could not set MAC "
"address of %s: %s\n",
master_ifname,
strerror(errno));
goterr=1;
} else {
hwaddr_notset = 0;
}
if (abi_ver < 1) {
/* bring master back up */
if_flags.ifr_flags |= IFF_UP;
if (ioctl(skfd, SIOCSIFFLAGS,
&if_flags) < 0) {
fprintf(stderr,
"Bringing up interface "
"%s failed: %s\n",
master_ifname,
strerror(errno));
}
}
}
} else if (abi_ver < 1) { /* if (hwaddr_notset) */
/* The driver is using an old ABI, so we'll set the interface
* down and assign the master's hwaddr to it
*/
if (ifr2.ifr_flags & IFF_UP) {
ifr2.ifr_flags &= ~IFF_UP;
if (ioctl(skfd, SIOCSIFFLAGS, &ifr2) < 0) {
int saved_errno = errno;
fprintf(stderr, "Shutting down interface %s failed: %s\n",
slave_ifname, strerror(saved_errno));
}
}
strncpy(if_hwaddr.ifr_name, slave_ifname, IFNAMSIZ);
if (ioctl(skfd, SIOCSIFHWADDR, &if_hwaddr) < 0) {
int saved_errno = errno;
fprintf(stderr, "SIOCSIFHWADDR on %s failed: %s\n", if_hwaddr.ifr_name,
strerror(saved_errno));
if (saved_errno == EBUSY)
fprintf(stderr, " The slave device %s is busy: it must be"
" idle before running this command.\n", slave_ifname);
else if (saved_errno == EOPNOTSUPP)
fprintf(stderr, " The slave device you specified does not support"
" setting the MAC address.\n Your kernel likely does not"
" support slave devices.\n");
else if (saved_errno == EINVAL)
fprintf(stderr, " The slave device's address type does not match"
" the master's address type.\n");
} else {
if (verbose) {
unsigned char *hwaddr = if_hwaddr.ifr_hwaddr.sa_data;
printf("Slave's (%s) hardware address set to "
"%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x.\n", slave_ifname,
hwaddr[0], hwaddr[1], hwaddr[2], hwaddr[3], hwaddr[4], hwaddr[5]);
}
}
}
if (*spp && !strcmp(*spp, "metric")) {
if (*++spp == NULL) {
fprintf(stderr, usage_msg);
(void) close(skfd);
exit(2);
}
if_metric.ifr_metric = atoi(*spp);
strncpy(if_metric.ifr_name, slave_ifname, IFNAMSIZ);
if (ioctl(skfd, SIOCSIFMETRIC, &if_metric) < 0) {
fprintf(stderr, "SIOCSIFMETRIC on %s: %s\n", slave_ifname,
strerror(errno));
goterr = 1;
}
spp++;
}
if (strncpy(if_ipaddr.ifr_name, slave_ifname, IFNAMSIZ) <= 0
|| ioctl(skfd, SIOCSIFADDR, &if_ipaddr) < 0) {
fprintf(stderr,
"Something broke setting the slave's address: %s.\n",
strerror(errno));
} else {
if (verbose) {
unsigned char *ipaddr = if_ipaddr.ifr_addr.sa_data;
printf("Set the slave's (%s) IP address to %d.%d.%d.%d.\n",
slave_ifname, ipaddr[0], ipaddr[1], ipaddr[2], ipaddr[3]);
}
}
if (strncpy(if_mtu.ifr_name, slave_ifname, IFNAMSIZ) <= 0
|| ioctl(skfd, SIOCSIFMTU, &if_mtu) < 0) {
fprintf(stderr, "Something broke setting the slave MTU: %s.\n",
strerror(errno));
} else {
if (verbose)
printf("Set the slave's (%s) MTU to %d.\n", slave_ifname, if_mtu.ifr_mtu);
}
if (strncpy(if_dstaddr.ifr_name, slave_ifname, IFNAMSIZ) <= 0
|| ioctl(skfd, SIOCSIFDSTADDR, &if_dstaddr) < 0) {
fprintf(stderr, "Error setting the slave (%s) with SIOCSIFDSTADDR: %s.\n",
slave_ifname, strerror(errno));
} else {
if (verbose) {
unsigned char *ipaddr = if_dstaddr.ifr_dstaddr.sa_data;
printf("Set the slave's (%s) destination address to %d.%d.%d.%d.\n",
slave_ifname, ipaddr[0], ipaddr[1], ipaddr[2], ipaddr[3]);
}
}
if (strncpy(if_brdaddr.ifr_name, slave_ifname, IFNAMSIZ) <= 0
|| ioctl(skfd, SIOCSIFBRDADDR, &if_brdaddr) < 0) {
fprintf(stderr,
"Something broke setting the slave (%s) broadcast address: %s.\n",
slave_ifname, strerror(errno));
} else {
if (verbose) {
unsigned char *ipaddr = if_brdaddr.ifr_broadaddr.sa_data;
printf("Set the slave's (%s) broadcast address to %d.%d.%d.%d.\n",
slave_ifname, ipaddr[0], ipaddr[1], ipaddr[2], ipaddr[3]);
}
}
if (strncpy(if_netmask.ifr_name, slave_ifname, IFNAMSIZ) <= 0
|| ioctl(skfd, SIOCSIFNETMASK, &if_netmask) < 0) {
fprintf(stderr,
"Something broke setting the slave (%s) netmask: %s.\n",
slave_ifname, strerror(errno));
} else {
if (verbose) {
unsigned char *ipaddr = if_netmask.ifr_netmask.sa_data;
printf("Set the slave's (%s) netmask to %d.%d.%d.%d.\n",
slave_ifname, ipaddr[0], ipaddr[1], ipaddr[2], ipaddr[3]);
}
}
if (abi_ver < 1) {
/* The driver is using an old ABI, so we'll set the interface
* up before enslaving it
*/
ifr2.ifr_flags |= IFF_UP;
if ((ifr2.ifr_flags &= ~(IFF_SLAVE | IFF_MASTER)) == 0
|| strncpy(ifr2.ifr_name, slave_ifname, IFNAMSIZ) <= 0
|| ioctl(skfd, SIOCSIFFLAGS, &ifr2) < 0) {
fprintf(stderr,
"Something broke setting the slave (%s) flags: %s.\n",
slave_ifname, strerror(errno));
} else {
if (verbose)
printf("Set the slave's (%s) flags %4.4x.\n",
slave_ifname, if_flags.ifr_flags);
}
} else {
/* the bonding module takes care of setting the slave's mac address
* and opening its interface
*/
if (ifr2.ifr_flags & IFF_UP) { /* the interface will need to be down */
ifr2.ifr_flags &= ~IFF_UP;
if (ioctl(skfd, SIOCSIFFLAGS, &ifr2) < 0) {
int saved_errno = errno;
fprintf(stderr, "Shutting down interface %s failed: %s\n",
slave_ifname, strerror(saved_errno));
}
}
}
/* Do the real thing */
if (!opt_r) {
strncpy(if_flags.ifr_name, master_ifname, IFNAMSIZ);
strncpy(if_flags.ifr_slave, slave_ifname, IFNAMSIZ);
if ((ioctl(skfd, SIOCBONDENSLAVE, &if_flags) < 0) &&
(ioctl(skfd, BOND_ENSLAVE_OLD, &if_flags) < 0)) {
fprintf(stderr, "SIOCBONDENSLAVE: %s.\n", strerror(errno));
}
}
}
} while ( (slave_ifname = *spp++) != NULL);
/* Close the socket. */
(void) close(skfd);
return(goterr);
}
int
main(int argc, char **argv)
{
struct sockaddr sa;
char host[128];
struct aftype *ap;
struct hwtype *hw;
struct ifreq ifr;
int goterr = 0;
char **spp;
#if NLS
setlocale (LC_MESSAGES, "");
catfd = catopen ("nettools", MCLoadBySet);
#endif
/* Create a channel to the NET kernel. */
if ((skfd = sockets_open()) < 0) {
perror("socket");
NLS_CATCLOSE(catfd)
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) {
if_print((char *)NULL);
(void) close(skfd);
NLS_CATCLOSE(catfd)
exit(0);
}
/* No. Fetch the interface name. */
spp = argv;
strncpy(ifr.ifr_name, *spp++, IFNAMSIZ);
if (*spp == (char *)NULL) {
if_print(ifr.ifr_name);
(void) close(skfd);
NLS_CATCLOSE(catfd)
exit(0);
}
/* The next argument is either an address family name, or an option. */
if ((ap = get_aftype(*spp)) == NULL) {
ap = get_aftype("inet");
} else spp++;
addr_family = ap->af;
/* 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;
}
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;
}
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;
}
if (!strcmp(*spp, "-broadcast")) {
goterr |= clr_flag(ifr.ifr_name, IFF_BROADCAST);
spp++;
continue;
}
if (!strcmp(*spp, "broadcast")) {
if (*++spp != NULL ) {
strcpy(host, *spp);
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(skfd, 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();
strcpy(host, *spp);
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(skfd, SIOCSIFDSTADDR, &ifr) < 0) {
fprintf(stderr, "SIOCSIFDSTADDR: %s\n",
strerror(errno));
goterr = 1;
}
spp++;
continue;
}
if (!strcmp(*spp, "netmask")) {
if (*++spp == NULL) usage();
strcpy(host, *spp);
if (ap->input(0, host, &sa) < 0) {
ap->herror(host);
goterr = 1;
spp++;
continue;
}
memcpy((char *) &ifr.ifr_netmask, (char *) &sa,
sizeof(struct sockaddr));
if (ioctl(skfd, SIOCSIFNETMASK, &ifr) < 0) {
fprintf(stderr, "SIOCSIFNETMASK: %s\n",
strerror(errno));
goterr = 1;
}
spp++;
continue;
}
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++;
strcpy(host, *spp);
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(skfd, 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();
strcpy(host, *++spp);
if (hw->input(host, &sa) < 0) {
ap->herror(host);
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 the next argument is a valid hostname, assume OK. */
strcpy(host, *spp);
if (ap->input(0, host, &sa) < 0) {
ap->herror(host);
usage();
}
memcpy((char *) &ifr.ifr_addr, (char *) &sa, sizeof(struct sockaddr));
if (ioctl(skfd, SIOCSIFADDR, &ifr) < 0) {
fprintf(stderr, "SIOCSIFADDR: %s\n", strerror(errno));
goterr = 1;
}
goterr |= set_flag(ifr.ifr_name, (IFF_UP | IFF_RUNNING));
spp++;
}
/* Close the socket. */
(void) close(skfd);
NLS_CATCLOSE(catfd)
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);
}
int main(int argc, char *argv[])
{
char **spp, *master_ifname, *slave_ifname;
int c, i, rv;
int res = 0;
int exclusive = 0;
while ((c = getopt_long(argc, argv, "acdfhuvV", longopts, 0)) != EOF) {
switch (c) {
case 'a': opt_a++; exclusive++; break;
case 'c': opt_c++; exclusive++; break;
case 'd': opt_d++; exclusive++; break;
case 'f': opt_f++; exclusive++; break;
case 'h': opt_h++; exclusive++; break;
case 'u': opt_u++; exclusive++; break;
case 'v': opt_v++; break;
case 'V': opt_V++; exclusive++; break;
case '?':
fprintf(stderr, usage_msg);
res = 2;
goto out;
}
}
/* options check */
if (exclusive > 1) {
fprintf(stderr, usage_msg);
res = 2;
goto out;
}
if (opt_v || opt_V) {
printf(version);
if (opt_V) {
res = 0;
goto out;
}
}
if (opt_u) {
printf(usage_msg);
res = 0;
goto out;
}
if (opt_h) {
printf(usage_msg);
printf(help_msg);
res = 0;
goto out;
}
/* Open a basic socket */
if ((skfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
perror("socket");
res = 1;
goto out;
}
if (opt_a) {
if (optind == argc) {
/* No remaining args */
/* show all interfaces */
if_print((char *)NULL);
goto out;
} else {
/* Just show usage */
fprintf(stderr, usage_msg);
res = 2;
goto out;
}
}
/* Copy the interface name */
spp = argv + optind;
master_ifname = *spp++;
if (master_ifname == NULL) {
fprintf(stderr, usage_msg);
res = 2;
goto out;
}
/* exchange abi version with bonding module */
res = get_drv_info(master_ifname);
if (res) {
fprintf(stderr,
"Master '%s': Error: handshake with driver failed. "
"Aborting\n",
master_ifname);
goto out;
}
slave_ifname = *spp++;
if (slave_ifname == NULL) {
if (opt_d || opt_c) {
fprintf(stderr, usage_msg);
res = 2;
goto out;
}
/* A single arg means show the
* configuration for this interface
*/
if_print(master_ifname);
goto out;
}
res = get_if_settings(master_ifname, master_ifra);
if (res) {
/* Probably a good reason not to go on */
fprintf(stderr,
"Master '%s': Error: get settings failed: %s. "
"Aborting\n",
master_ifname, strerror(res));
goto out;
}
/* check if master is indeed a master;
* if not then fail any operation
*/
if (!(master_flags.ifr_flags & IFF_MASTER)) {
fprintf(stderr,
"Illegal operation; the specified interface '%s' "
"is not a master. Aborting\n",
master_ifname);
res = 1;
goto out;
}
/* check if master is up; if not then fail any operation */
if (!(master_flags.ifr_flags & IFF_UP)) {
fprintf(stderr,
"Illegal operation; the specified master interface "
"'%s' is not up.\n",
master_ifname);
res = 1;
goto out;
}
/* Only for enslaving */
if (!opt_c && !opt_d) {
sa_family_t master_family = master_hwaddr.ifr_hwaddr.sa_family;
unsigned char *hwaddr =
(unsigned char *)master_hwaddr.ifr_hwaddr.sa_data;
/* The family '1' is ARPHRD_ETHER for ethernet. */
if (master_family != 1 && !opt_f) {
fprintf(stderr,
"Illegal operation: The specified master "
"interface '%s' is not ethernet-like.\n "
"This program is designed to work with "
"ethernet-like network interfaces.\n "
"Use the '-f' option to force the "
"operation.\n",
master_ifname);
res = 1;
goto out;
}
/* Check master's hw addr */
for (i = 0; i < 6; i++) {
if (hwaddr[i] != 0) {
hwaddr_set = 1;
break;
}
}
if (hwaddr_set) {
v_print("current hardware address of master '%s' "
"is %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x, "
"type %d\n",
master_ifname,
hwaddr[0], hwaddr[1],
hwaddr[2], hwaddr[3],
hwaddr[4], hwaddr[5],
master_family);
}
}
/* Accepts only one slave */
if (opt_c) {
/* change active slave */
res = get_slave_flags(slave_ifname);
if (res) {
fprintf(stderr,
"Slave '%s': Error: get flags failed. "
"Aborting\n",
slave_ifname);
goto out;
}
res = change_active(master_ifname, slave_ifname);
if (res) {
fprintf(stderr,
"Master '%s', Slave '%s': Error: "
"Change active failed\n",
master_ifname, slave_ifname);
}
} else {
/* Accept multiple slaves */
do {
if (opt_d) {
/* detach a slave interface from the master */
rv = get_slave_flags(slave_ifname);
if (rv) {
/* Can't work with this slave. */
/* remember the error and skip it*/
fprintf(stderr,
"Slave '%s': Error: get flags "
"failed. Skipping\n",
slave_ifname);
res = rv;
continue;
}
rv = release(master_ifname, slave_ifname);
if (rv) {
fprintf(stderr,
"Master '%s', Slave '%s': Error: "
"Release failed\n",
master_ifname, slave_ifname);
res = rv;
}
} else {
/* attach a slave interface to the master */
rv = get_if_settings(slave_ifname, slave_ifra);
if (rv) {
/* Can't work with this slave. */
/* remember the error and skip it*/
fprintf(stderr,
"Slave '%s': Error: get "
"settings failed: %s. "
"Skipping\n",
slave_ifname, strerror(rv));
res = rv;
continue;
}
rv = enslave(master_ifname, slave_ifname);
if (rv) {
fprintf(stderr,
"Master '%s', Slave '%s': Error: "
"Enslave failed\n",
master_ifname, slave_ifname);
res = rv;
}
}
} while ((slave_ifname = *spp++) != NULL);
}
out:
if (skfd >= 0) {
close(skfd);
}
return res;
}
int main(int argc, char *argv[])
{
char **spp, *master_ifname, *slave_ifname;
int c, i, rv;
int res = 0;
int exclusive = 0;
while ((c = getopt_long(argc, argv, "acdfhuvV", longopts, 0)) != EOF) {
switch (c) {
case 'a': opt_a++; exclusive++; break;
case 'c': opt_c++; exclusive++; break;
case 'd': opt_d++; exclusive++; break;
case 'f': opt_f++; exclusive++; break;
case 'h': opt_h++; exclusive++; break;
case 'u': opt_u++; exclusive++; break;
case 'v': opt_v++; break;
case 'V': opt_V++; exclusive++; break;
case '?':
fprintf(stderr, "%s", usage_msg);
res = 2;
goto out;
}
}
/* */
if (exclusive > 1) {
fprintf(stderr, "%s", usage_msg);
res = 2;
goto out;
}
if (opt_v || opt_V) {
printf("%s", version);
if (opt_V) {
res = 0;
goto out;
}
}
if (opt_u) {
printf("%s", usage_msg);
res = 0;
goto out;
}
if (opt_h) {
printf("%s", usage_msg);
printf("%s", help_msg);
res = 0;
goto out;
}
/* */
if ((skfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
perror("socket");
res = 1;
goto out;
}
if (opt_a) {
if (optind == argc) {
/* */
/* */
if_print((char *)NULL);
goto out;
} else {
/* */
fprintf(stderr, "%s", usage_msg);
res = 2;
goto out;
}
}
/* */
spp = argv + optind;
master_ifname = *spp++;
if (master_ifname == NULL) {
fprintf(stderr, "%s", usage_msg);
res = 2;
goto out;
}
/* */
res = get_drv_info(master_ifname);
if (res) {
fprintf(stderr,
"Master '%s': Error: handshake with driver failed. "
"Aborting\n",
master_ifname);
goto out;
}
slave_ifname = *spp++;
if (slave_ifname == NULL) {
if (opt_d || opt_c) {
fprintf(stderr, "%s", usage_msg);
res = 2;
goto out;
}
/*
*/
if_print(master_ifname);
goto out;
}
res = get_if_settings(master_ifname, master_ifra);
if (res) {
/* */
fprintf(stderr,
"Master '%s': Error: get settings failed: %s. "
"Aborting\n",
master_ifname, strerror(res));
goto out;
}
/*
*/
if (!(master_flags.ifr_flags & IFF_MASTER)) {
fprintf(stderr,
"Illegal operation; the specified interface '%s' "
"is not a master. Aborting\n",
master_ifname);
res = 1;
goto out;
}
/* */
if (!(master_flags.ifr_flags & IFF_UP)) {
fprintf(stderr,
"Illegal operation; the specified master interface "
"'%s' is not up.\n",
master_ifname);
res = 1;
goto out;
}
/* */
if (!opt_c && !opt_d) {
sa_family_t master_family = master_hwaddr.ifr_hwaddr.sa_family;
unsigned char *hwaddr =
(unsigned char *)master_hwaddr.ifr_hwaddr.sa_data;
/* */
if (master_family != 1 && !opt_f) {
fprintf(stderr,
"Illegal operation: The specified master "
"interface '%s' is not ethernet-like.\n "
"This program is designed to work with "
"ethernet-like network interfaces.\n "
"Use the '-f' option to force the "
"operation.\n",
master_ifname);
res = 1;
goto out;
}
/* */
for (i = 0; i < 6; i++) {
if (hwaddr[i] != 0) {
hwaddr_set = 1;
break;
}
}
if (hwaddr_set) {
v_print("current hardware address of master '%s' "
"is %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x, "
"type %d\n",
master_ifname,
hwaddr[0], hwaddr[1],
hwaddr[2], hwaddr[3],
hwaddr[4], hwaddr[5],
master_family);
}
}
/* */
if (opt_c) {
/* */
res = get_slave_flags(slave_ifname);
if (res) {
fprintf(stderr,
"Slave '%s': Error: get flags failed. "
"Aborting\n",
slave_ifname);
goto out;
}
res = change_active(master_ifname, slave_ifname);
if (res) {
fprintf(stderr,
"Master '%s', Slave '%s': Error: "
"Change active failed\n",
master_ifname, slave_ifname);
}
} else {
/* */
do {
if (opt_d) {
/* */
rv = get_slave_flags(slave_ifname);
if (rv) {
/* */
/* */
fprintf(stderr,
"Slave '%s': Error: get flags "
"failed. Skipping\n",
slave_ifname);
res = rv;
continue;
}
rv = release(master_ifname, slave_ifname);
if (rv) {
fprintf(stderr,
"Master '%s', Slave '%s': Error: "
"Release failed\n",
master_ifname, slave_ifname);
res = rv;
}
} else {
/* */
rv = get_if_settings(slave_ifname, slave_ifra);
if (rv) {
/* */
/* */
fprintf(stderr,
"Slave '%s': Error: get "
"settings failed: %s. "
"Skipping\n",
slave_ifname, strerror(rv));
res = rv;
continue;
}
rv = enslave(master_ifname, slave_ifname);
if (rv) {
fprintf(stderr,
"Master '%s', Slave '%s': Error: "
"Enslave failed\n",
master_ifname, slave_ifname);
res = rv;
}
}
} while ((slave_ifname = *spp++) != NULL);
}
out:
if (skfd >= 0) {
close(skfd);
}
return res;
}