/*
* Input an address and convert to binary.
*/
int
in_addr(int skfd,
char * ifname,
char * bufp,
struct sockaddr *sap)
{
/* Check if it is a hardware or IP address */
if(index(bufp, ':') == NULL)
{
struct sockaddr if_address;
struct arpreq arp_query;
/* Read interface address */
if(in_inet(bufp, &if_address) < 0)
{
fprintf(stderr, "Invalid interface address %s\n", bufp);
return(-1);
}
/* Translate IP addresses to MAC addresses */
memcpy((char *) &(arp_query.arp_pa),
(char *) &if_address,
sizeof(struct sockaddr));
arp_query.arp_ha.sa_family = 0;
arp_query.arp_flags = 0;
/* The following restrict the search to the interface only */
/* For old kernels which complain, just comment it... */
strcpy(arp_query.arp_dev, ifname);
if((ioctl(skfd, SIOCGARP, &arp_query) < 0) ||
!(arp_query.arp_flags & ATF_COM))
{
fprintf(stderr, "Arp failed for %s on %s... (%d)\nTry to ping the address before setting it.\n",
bufp, ifname, errno);
return(-1);
}
/* Store new MAC address */
memcpy((char *) sap,
(char *) &(arp_query.arp_ha),
sizeof(struct sockaddr));
#ifdef DEBUG
printf("IP Address %s => Hw Address = %s\n",
bufp, pr_ether(sap->sa_data));
#endif
}
else /* If it's an hardware address */
/* Get the hardware address */
if(in_ether(bufp, sap) < 0)
{
fprintf(stderr, "Invalid hardware address %s\n", bufp);
return(-1);
}
#ifdef DEBUG
printf("Hw Address = %s\n", pr_ether(sap->sa_data));
#endif
return(0);
}
/**
* Function to send a "magic packet" to the argument specified MAC address.
* The MAC address is a string in the format: <code>xx:xx:xx:xx:xx:xx</code>.
* The magic packet is 6 x 0xff then 16 x the converted MAC address.
*
* @param macAddr - the MAC address string to send the magic packet to
*
* @return success or failure of the send attempt
* @retval 0 - success
* @retval -1 - failure
*/
int send_wol (char *macAddr)
{
int i, j;
int packet;
struct sockaddr_in sap;
unsigned char ethaddr[8];
unsigned char *ptr;
unsigned char packetBuf [128];
int optval = 1;
/**
* Convert the MAC address to the hardware address. If the conversion
* fails exit the function, and return an error.
*/
if (in_ether (macAddr, ethaddr) < 0) {
//fprintf (stderr, "\r%s: invalid hardware address\n", Program);
return (-1);
}
/**
* Setup the packet socket. If the socket creation fails exit the function,
* and return an error.
*/
if ((packet = socket (AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) {
//fprintf (stderr, "\r%s: socket failed\n", Program);
return (-1);
}
/**
* Set socket options. If the operation fails, close the packet socket,
* exit the function, and return an error.
*/
if (setsockopt (packet, SOL_SOCKET, SO_BROADCAST, (char *)&optval, sizeof (optval)) < 0) {
//fprintf (stderr, "\r%s: setsocket failed %s\n", Program, strerror (errno));
close (packet);
return (-1);
}
/**
* Set up broadcast address <code>0xffffffff</code>.
*/
sap.sin_family = AF_INET;
sap.sin_addr.s_addr = htonl(0xffffffff);
sap.sin_port = htons(60000);
/**
* Build the message to send. Populate the packet buffer with:
* 6 x <code>0xff</code> then 16 x converted MAC address.
*/
ptr = packetBuf;
for (i = 0; i < 6; i++) {
*ptr++ = 0xff;
}
for (j = 0; j < 16; j++) {
for (i = 0; i < 6; i++) {
*ptr++ = ethaddr [i];
}
}
/**
* Send the magic packet. If the sendto() fails, close the packet socket,
* exit the function, and return an error.
*/
if (sendto (packet, (char *)packetBuf, 102, 0, (struct sockaddr *)&sap, sizeof (sap)) < 0) {
//fprintf (stderr, "\r%s: sendto failed, %s\n", Program, strerror(errno));
close (packet);
return (-1);
}
/**
* Else, everthing worked. close the packet socket,
* exit the function, and return success.
*/
close (packet);
//fprintf (stderr, "\r%s: magic packet sent to %s %s\n", Program, mac, host);
return (0);
}
int ifconfig_main(int argc, char **argv)
{
struct ifreq ifr;
struct sockaddr_in sai;
#ifdef CONFIG_FEATURE_IPV6
struct sockaddr_in6 sai6;
#endif
#ifdef CONFIG_FEATURE_IFCONFIG_HW
struct sockaddr sa;
#endif
const struct arg1opt *a1op;
const struct options *op;
int sockfd; /* socket fd we use to manipulate stuff with */
int goterr;
int selector;
#ifdef CONFIG_FEATURE_IFCONFIG_BROADCAST_PLUS
unsigned int mask;
unsigned int did_flags;
unsigned int sai_hostname, sai_netmask;
#else
unsigned char mask;
unsigned char did_flags;
#endif
char *p;
char host[128];
goterr = 0;
did_flags = 0;
#ifdef CONFIG_FEATURE_IFCONFIG_BROADCAST_PLUS
sai_hostname = 0;
sai_netmask = 0;
#endif
/* skip argv[0] */
++argv;
--argc;
#ifdef CONFIG_FEATURE_IFCONFIG_STATUS
if ((argc > 0) && (((*argv)[0] == '-') && ((*argv)[1] == 'a') && !(*argv)[2])) {
interface_opt_a = 1;
--argc;
++argv;
}
#endif
if (argc <= 1) {
#ifdef CONFIG_FEATURE_IFCONFIG_STATUS
return display_interfaces(argc ? *argv : NULL);
#else
bb_error_msg_and_die
("ifconfig was not compiled with interface status display support.");
#endif
}
/* Create a channel to the NET kernel. */
if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
bb_perror_msg_and_die("socket");
}
/* get interface name */
safe_strncpy(ifr.ifr_name, *argv, IFNAMSIZ);
/* Process the remaining arguments. */
while (*++argv != (char *) NULL) {
p = *argv;
mask = N_MASK;
if (*p == '-') { /* If the arg starts with '-'... */
++p; /* advance past it and */
mask = M_MASK; /* set the appropriate mask. */
}
for (op = OptArray; op->name; op++) { /* Find table entry. */
if (strcmp(p, op->name) == 0) { /* If name matches... */
if ((mask &= op->flags)) { /* set the mask and go. */
goto FOUND_ARG;;
}
/* If we get here, there was a valid arg with an */
/* invalid '-' prefix. */
++goterr;
goto LOOP;
}
}
/* We fell through, so treat as possible hostname. */
a1op = Arg1Opt + (sizeof(Arg1Opt) / sizeof(Arg1Opt[0])) - 1;
mask = op->arg_flags;
goto HOSTNAME;
FOUND_ARG:
if (mask & ARG_MASK) {
mask = op->arg_flags;
a1op = Arg1Opt + (op - OptArray);
if (mask & A_NETMASK & did_flags) {
bb_show_usage();
}
if (*++argv == NULL) {
if (mask & A_ARG_REQ) {
bb_show_usage();
} else {
--argv;
mask &= A_SET_AFTER; /* just for broadcast */
}
} else { /* got an arg so process it */
HOSTNAME:
did_flags |= (mask & (A_NETMASK|A_HOSTNAME));
if (mask & A_CAST_HOST_COPY) {
#ifdef CONFIG_FEATURE_IFCONFIG_HW
if (mask & A_CAST_RESOLVE) {
#endif
#ifdef CONFIG_FEATURE_IPV6
char *prefix;
int prefix_len = 0;
#endif
safe_strncpy(host, *argv, (sizeof host));
#ifdef CONFIG_FEATURE_IPV6
if ((prefix = strchr(host, '/'))) {
prefix_len = atol(prefix + 1);
if ((prefix_len < 0) || (prefix_len > 128)) {
++goterr;
goto LOOP;
}
*prefix = 0;
}
#endif
sai.sin_family = AF_INET;
sai.sin_port = 0;
if (!strcmp(host, bb_INET_default)) {
/* Default is special, meaning 0.0.0.0. */
sai.sin_addr.s_addr = INADDR_ANY;
#ifdef CONFIG_FEATURE_IFCONFIG_BROADCAST_PLUS
} else if (((host[0] == '+') && !host[1]) && (mask & A_BROADCAST) &&
(did_flags & (A_NETMASK|A_HOSTNAME)) == (A_NETMASK|A_HOSTNAME)) {
/* + is special, meaning broadcast is derived. */
sai.sin_addr.s_addr = (~sai_netmask) | (sai_hostname & sai_netmask);
#endif
#ifdef CONFIG_FEATURE_IPV6
} else if (inet_pton(AF_INET6, host, &sai6.sin6_addr) > 0) {
int sockfd6;
struct in6_ifreq ifr6;
memcpy((char *) &ifr6.ifr6_addr,
(char *) &sai6.sin6_addr,
sizeof(struct in6_addr));
/* Create a channel to the NET kernel. */
if ((sockfd6 = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
bb_perror_msg_and_die("socket6");
}
if (ioctl(sockfd6, SIOGIFINDEX, &ifr) < 0) {
perror("SIOGIFINDEX");
++goterr;
continue;
}
ifr6.ifr6_ifindex = ifr.ifr_ifindex;
ifr6.ifr6_prefixlen = prefix_len;
if (ioctl(sockfd6, a1op->selector, &ifr6) < 0) {
perror(a1op->name);
++goterr;
}
continue;
#endif
} else if (inet_aton(host, &sai.sin_addr) == 0) {
/* It's not a dotted quad. */
++goterr;
continue;
}
#ifdef CONFIG_FEATURE_IFCONFIG_BROADCAST_PLUS
if (mask & A_HOSTNAME) {
sai_hostname = sai.sin_addr.s_addr;
}
if (mask & A_NETMASK) {
sai_netmask = sai.sin_addr.s_addr;
}
#endif
p = (char *) &sai;
#ifdef CONFIG_FEATURE_IFCONFIG_HW
} else { /* A_CAST_HOST_COPY_IN_ETHER */
/* This is the "hw" arg case. */
if (strcmp("ether", *argv) || (*++argv == NULL)) {
bb_show_usage();
}
safe_strncpy(host, *argv, (sizeof host));
if (in_ether(host, &sa)) {
bb_error_msg("invalid hw-addr %s", host);
++goterr;
continue;
}
p = (char *) &sa;
}
#endif
memcpy((((char *) (&ifr)) + a1op->ifr_offset),
p, sizeof(struct sockaddr));
} else {
unsigned int i = strtoul(*argv, NULL, 0);
p = ((char *) (&ifr)) + a1op->ifr_offset;
#ifdef CONFIG_FEATURE_IFCONFIG_MEMSTART_IOADDR_IRQ
if (mask & A_MAP_TYPE) {
if (ioctl(sockfd, SIOCGIFMAP, &ifr) < 0) {
++goterr;
continue;
}
if ((mask & A_MAP_UCHAR) == A_MAP_UCHAR) {
*((unsigned char *) p) = i;
} else if (mask & A_MAP_USHORT) {
*((unsigned short *) p) = i;
} else {
*((unsigned long *) p) = i;
}
} else
#endif
if (mask & A_CAST_CHAR_PTR) {
*((caddr_t *) p) = (caddr_t) i;
} else { /* A_CAST_INT */
*((int *) p) = i;
}
}
if (ioctl(sockfd, a1op->selector, &ifr) < 0) {
perror(a1op->name);
++goterr;
continue;
}
#ifdef QUESTIONABLE_ALIAS_CASE
if (mask & A_COLON_CHK) {
/*
* 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) == '-') {
continue;
}
}
#endif
}
if (!(mask & A_SET_AFTER)) {
continue;
}
mask = N_SET;
}
if (ioctl(sockfd, SIOCGIFFLAGS, &ifr) < 0) {
perror("SIOCGIFFLAGS");
++goterr;
} else {
selector = op->selector;
if (mask & SET_MASK) {
ifr.ifr_flags |= selector;
} else {
ifr.ifr_flags &= ~selector;
}
if (ioctl(sockfd, SIOCSIFFLAGS, &ifr) < 0) {
perror("SIOCSIFFLAGS");
++goterr;
}
}
LOOP:
continue;
} /* end of while-loop */
return goterr;
}
int ifconfig_main(int argc, char **argv)
{
struct ifreq ifr;
struct sockaddr_in sai;
#if ENABLE_FEATURE_IFCONFIG_HW
struct sockaddr sa;
#endif
const struct arg1opt *a1op;
const struct options *op;
int sockfd; /* socket fd we use to manipulate stuff with */
int selector;
#if ENABLE_FEATURE_IFCONFIG_BROADCAST_PLUS
unsigned int mask;
unsigned int did_flags;
unsigned int sai_hostname, sai_netmask;
#else
unsigned char mask;
unsigned char did_flags;
#endif
char *p;
/*char host[128];*/
const char *host = NULL; /* make gcc happy */
did_flags = 0;
#if ENABLE_FEATURE_IFCONFIG_BROADCAST_PLUS
sai_hostname = 0;
sai_netmask = 0;
#endif
/* skip argv[0] */
++argv;
--argc;
#if ENABLE_FEATURE_IFCONFIG_STATUS
if (argc > 0 && (argv[0][0] == '-' && argv[0][1] == 'a' && !argv[0][2])) {
interface_opt_a = 1;
--argc;
++argv;
}
#endif
if (argc <= 1) {
#if ENABLE_FEATURE_IFCONFIG_STATUS
return display_interfaces(argc ? *argv : NULL);
#else
bb_error_msg_and_die("no support for status display");
#endif
}
/* Create a channel to the NET kernel. */
sockfd = xsocket(AF_INET, SOCK_DGRAM, 0);
/* get interface name */
safe_strncpy(ifr.ifr_name, *argv, IFNAMSIZ);
/* Process the remaining arguments. */
while (*++argv != (char *) NULL) {
p = *argv;
mask = N_MASK;
if (*p == '-') { /* If the arg starts with '-'... */
++p; /* advance past it and */
mask = M_MASK; /* set the appropriate mask. */
}
for (op = OptArray; op->name; op++) { /* Find table entry. */
if (strcmp(p, op->name) == 0) { /* If name matches... */
mask &= op->flags;
if (mask) /* set the mask and go. */
goto FOUND_ARG;
/* If we get here, there was a valid arg with an */
/* invalid '-' prefix. */
bb_error_msg_and_die("bad: '%s'", p-1);
}
}
/* We fell through, so treat as possible hostname. */
a1op = Arg1Opt + (sizeof(Arg1Opt) / sizeof(Arg1Opt[0])) - 1;
mask = op->arg_flags;
goto HOSTNAME;
FOUND_ARG:
if (mask & ARG_MASK) {
mask = op->arg_flags;
a1op = Arg1Opt + (op - OptArray);
if (mask & A_NETMASK & did_flags)
bb_show_usage();
if (*++argv == NULL) {
if (mask & A_ARG_REQ)
bb_show_usage();
--argv;
mask &= A_SET_AFTER; /* just for broadcast */
} else { /* got an arg so process it */
HOSTNAME:
did_flags |= (mask & (A_NETMASK|A_HOSTNAME));
if (mask & A_CAST_HOST_COPY) {
#if ENABLE_FEATURE_IFCONFIG_HW
if (mask & A_CAST_RESOLVE) {
#endif
#if ENABLE_FEATURE_IPV6
char *prefix;
int prefix_len = 0;
#endif
/*safe_strncpy(host, *argv, (sizeof host));*/
host = *argv;
#if ENABLE_FEATURE_IPV6
prefix = strchr(host, '/');
if (prefix) {
prefix_len = xatou_range(prefix + 1, 0, 128);
*prefix = '\0';
}
#endif
sai.sin_family = AF_INET;
sai.sin_port = 0;
if (!strcmp(host, bb_str_default)) {
/* Default is special, meaning 0.0.0.0. */
sai.sin_addr.s_addr = INADDR_ANY;
}
#if ENABLE_FEATURE_IFCONFIG_BROADCAST_PLUS
else if ((host[0] == '+' && !host[1]) && (mask & A_BROADCAST)
&& (did_flags & (A_NETMASK|A_HOSTNAME)) == (A_NETMASK|A_HOSTNAME)
) {
/* + is special, meaning broadcast is derived. */
sai.sin_addr.s_addr = (~sai_netmask) | (sai_hostname & sai_netmask);
}
#endif
else {
len_and_sockaddr *lsa;
if (strcmp(host, "inet") == 0)
continue; /* compat stuff */
lsa = xhost2sockaddr(host, 0);
#if ENABLE_FEATURE_IPV6
if (lsa->sa.sa_family == AF_INET6) {
int sockfd6;
struct in6_ifreq ifr6;
memcpy((char *) &ifr6.ifr6_addr,
(char *) &(lsa->sin6.sin6_addr),
sizeof(struct in6_addr));
/* Create a channel to the NET kernel. */
sockfd6 = xsocket(AF_INET6, SOCK_DGRAM, 0);
if (ioctl(sockfd6, SIOGIFINDEX, &ifr) < 0)
bb_perror_msg_and_die("SIOGIFINDEX");
ifr6.ifr6_ifindex = ifr.ifr_ifindex;
ifr6.ifr6_prefixlen = prefix_len;
if (ioctl(sockfd6, a1op->selector, &ifr6) < 0)
bb_perror_msg_and_die(a1op->name);
if (ENABLE_FEATURE_CLEAN_UP)
free(lsa);
continue;
}
#endif
sai.sin_addr = lsa->sin.sin_addr;
if (ENABLE_FEATURE_CLEAN_UP)
free(lsa);
}
#if ENABLE_FEATURE_IFCONFIG_BROADCAST_PLUS
if (mask & A_HOSTNAME)
sai_hostname = sai.sin_addr.s_addr;
if (mask & A_NETMASK)
sai_netmask = sai.sin_addr.s_addr;
#endif
p = (char *) &sai;
#if ENABLE_FEATURE_IFCONFIG_HW
} else { /* A_CAST_HOST_COPY_IN_ETHER */
/* This is the "hw" arg case. */
if (strcmp("ether", *argv) || !*++argv)
bb_show_usage();
/*safe_strncpy(host, *argv, sizeof(host));*/
host = *argv;
if (in_ether(host, &sa))
bb_error_msg_and_die("invalid hw-addr %s", host);
p = (char *) &sa;
}
#endif
memcpy( (((char *)&ifr) + a1op->ifr_offset),
p, sizeof(struct sockaddr));
} else {
/* FIXME: error check?? */
unsigned long i = strtoul(*argv, NULL, 0);
p = ((char *)&ifr) + a1op->ifr_offset;
#if ENABLE_FEATURE_IFCONFIG_MEMSTART_IOADDR_IRQ
if (mask & A_MAP_TYPE) {
if (ioctl(sockfd, SIOCGIFMAP, &ifr) < 0)
bb_perror_msg_and_die("SIOCGIFMAP");
if ((mask & A_MAP_UCHAR) == A_MAP_UCHAR)
*((unsigned char *) p) = i;
else if (mask & A_MAP_USHORT)
*((unsigned short *) p) = i;
else
*((unsigned long *) p) = i;
} else
#endif
if (mask & A_CAST_CHAR_PTR)
*((caddr_t *) p) = (caddr_t) i;
else /* A_CAST_INT */
*((int *) p) = i;
}
if (ioctl(sockfd, a1op->selector, &ifr) < 0)
bb_perror_msg_and_die(a1op->name);
#ifdef QUESTIONABLE_ALIAS_CASE
if (mask & A_COLON_CHK) {
/*
* 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] == '-')
continue;
}
#endif
}
if (!(mask & A_SET_AFTER))
continue;
mask = N_SET;
}
if (ioctl(sockfd, SIOCGIFFLAGS, &ifr) < 0)
bb_perror_msg_and_die("SIOCGIFFLAGS");
selector = op->selector;
if (mask & SET_MASK)
ifr.ifr_flags |= selector;
else
ifr.ifr_flags &= ~selector;
if (ioctl(sockfd, SIOCSIFFLAGS, &ifr) < 0)
bb_perror_msg_and_die("SIOCSIFFLAGS");
} /* while () */
if (ENABLE_FEATURE_CLEAN_UP)
close(sockfd);
return 0;
}
int ifconfig_main(int argc, char **argv)
{
struct ifreq ifr;
struct sockaddr_in sai;
#ifdef BB_FEATURE_IFCONFIG_HW
struct sockaddr sa;
#endif
const struct arg1opt *a1op;
const struct options *op;
int sockfd; /* socket fd we use to manipulate stuff with */
int goterr;
int selector;
char *p;
char host[128];
unsigned char mask;
unsigned char did_flags;
goterr = 0;
did_flags = 0;
/* skip argv[0] */
++argv;
--argc;
#ifdef BB_FEATURE_IFCONFIG_STATUS
if ((argc > 0) && (strcmp(*argv,"-a") == 0)) {
interface_opt_a = 1;
--argc;
++argv;
}
#endif
if(argc <= 1) {
#ifdef BB_FEATURE_IFCONFIG_STATUS
return display_interfaces(argc ? *argv : NULL);
#else
error_msg_and_die( "ifconfig was not compiled with interface status display support.");
#endif
}
/* Create a channel to the NET kernel. */
if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
perror_msg_and_die("socket");
}
/* get interface name */
safe_strncpy(ifr.ifr_name, *argv, IFNAMSIZ);
/* Process the remaining arguments. */
while (*++argv != (char *) NULL) {
p = *argv;
mask = N_MASK;
if (*p == '-') { /* If the arg starts with '-'... */
++p; /* advance past it and */
mask = M_MASK; /* set the appropriate mask. */
}
for (op = OptArray ; op->name ; op++) { /* Find table entry. */
if (strcmp(p,op->name) == 0) { /* If name matches... */
if ((mask &= op->flags)) { /* set the mask and go. */
goto FOUND_ARG;;
}
/* If we get here, there was a valid arg with an */
/* invalid '-' prefix. */
++goterr;
goto LOOP;
}
}
/* We fell through, so treat as possible hostname. */
a1op = Arg1Opt + (sizeof(Arg1Opt) / sizeof(Arg1Opt[0])) - 1;
mask = op->arg_flags;
goto HOSTNAME;
FOUND_ARG:
if (mask & ARG_MASK) {
mask = op->arg_flags;
a1op = Arg1Opt + (op - OptArray);
if (mask & A_NETMASK & did_flags) {
show_usage();
}
if (*++argv == NULL) {
if (mask & A_ARG_REQ) {
show_usage();
} else {
--argv;
mask &= A_SET_AFTER; /* just for broadcast */
}
} else { /* got an arg so process it */
HOSTNAME:
did_flags |= (mask & A_NETMASK);
if (mask & A_CAST_HOST_COPY) {
#ifdef BB_FEATURE_IFCONFIG_HW
if (mask & A_CAST_RESOLVE) {
#endif
safe_strncpy(host, *argv, (sizeof host));
sai.sin_family = AF_INET;
sai.sin_port = 0;
if (!strcmp(host, "default")) {
/* Default is special, meaning 0.0.0.0. */
sai.sin_addr.s_addr = INADDR_ANY;
} else if (inet_aton(host, &sai.sin_addr) == 0) {
/* It's not a dotted quad. */
++goterr;
continue;
}
p = (char *) &sai;
#ifdef BB_FEATURE_IFCONFIG_HW
} else { /* A_CAST_HOST_COPY_IN_ETHER */
/* This is the "hw" arg case. */
if (strcmp("ether", *argv) || (*++argv == NULL)) {
show_usage();
}
safe_strncpy(host, *argv, (sizeof host));
if (in_ether(host, &sa)) {
fprintf(stderr, "invalid hw-addr %s\n", host);
++goterr;
continue;
}
p = (char *) &sa;
}
#endif
memcpy((((char *)(&ifr)) + a1op->ifr_offset),
p, sizeof(struct sockaddr));
} else {
unsigned int i = strtoul(*argv,NULL,0);
p = ((char *)(&ifr)) + a1op->ifr_offset;
#ifdef BB_FEATURE_IFCONFIG_MEMSTART_IOADDR_IRQ
if (mask & A_MAP_TYPE) {
if (ioctl(sockfd, SIOCGIFMAP, &ifr) < 0) {
++goterr;
continue;
}
if ((mask & A_MAP_UCHAR) == A_MAP_UCHAR) {
*((unsigned char *) p) = i;
} else if (mask & A_MAP_USHORT) {
*((unsigned short *) p) = i;
} else {
*((unsigned long *) p) = i;
}
} else
#endif
if (mask & A_CAST_CHAR_PTR) {
*((caddr_t *) p) = (caddr_t) i;
} else { /* A_CAST_INT */
*((int *) p) = i;
}
}
if (ioctl(sockfd, a1op->selector, &ifr) < 0) {
perror(a1op->name);
++goterr;
continue;
}
#ifdef QUESTIONABLE_ALIAS_CASE
if (mask & A_COLON_CHK) {
/*
* 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) == '-') {
continue;
}
}
#endif
}
if (!(mask & A_SET_AFTER)) {
continue;
}
mask = N_SET;
}
if (ioctl(sockfd, SIOCGIFFLAGS, &ifr) < 0) {
perror("SIOCGIFFLAGS");
++goterr;
} else {
selector = op->selector;
if (mask & SET_MASK) {
ifr.ifr_flags |= selector;
} else {
ifr.ifr_flags &= ~selector;
}
if (ioctl(sockfd, SIOCSIFFLAGS, &ifr) < 0) {
perror("SIOCSIFFLAGS");
++goterr;
}
}
LOOP:
} /* end of while-loop */
return goterr;
}
#ifdef BB_FEATURE_IFCONFIG_HW
/* Input an Ethernet address and convert to binary. */
static int
in_ether(char *bufp, struct sockaddr *sap)
{
unsigned char *ptr;
int i, j;
unsigned char val;
unsigned char c;
sap->sa_family = ARPHRD_ETHER;
ptr = sap->sa_data;
for (i = 0 ; i < ETH_ALEN ; i++) {
val = 0;
/* We might get a semicolon here - not required. */
if (i && (*bufp == ':')) {
bufp++;
}
for (j=0 ; j<2 ; j++) {
c = *bufp;
if (c >= '0' && c <= '9') {
c -= '0';
} else if (c >= 'a' && c <= 'f') {
c -= ('a' - 10);
} else if (c >= 'A' && c <= 'F') {
c -= ('A' - 10);
} else if (j && (c == ':' || c == 0)) {
break;
} else {
return -1;
}
++bufp;
val <<= 4;
val += c;
}
*ptr++ = val;
}
return (int) (*bufp); /* Error if we don't end at end of string. */
}
