* Foundation; either version 2 of the License, or (at
* your option) any later version.
*
- * $Id: ifconfig.c,v 1.18 2002/07/11 11:11:52 andersen Exp $
+ * $Id: ifconfig.c,v 1.20 2002/11/26 09:02:05 bug1 Exp $
*
*/
#include <stdio.h>
#include <stdlib.h>
-#include <string.h> // strcmp and friends
-#include <ctype.h> // isdigit and friends
-#include <stddef.h> /* offsetof */
+#include <string.h> /* strcmp and friends */
+#include <ctype.h> /* isdigit and friends */
+#include <stddef.h> /* offsetof */
#include <sys/ioctl.h>
#include <net/if_arp.h>
#include <netinet/in.h>
#include "busybox.h"
#ifdef CONFIG_FEATURE_IFCONFIG_SLIP
-#include <linux/if_slip.h>
+# include <linux/if_slip.h>
#endif
/* I don't know if this is needed for busybox or not. Anyone? */
/* Defines for glibc2.0 users. */
#ifndef SIOCSIFTXQLEN
-#define SIOCSIFTXQLEN 0x8943
-#define SIOCGIFTXQLEN 0x8942
+# define SIOCSIFTXQLEN 0x8943
+# define SIOCGIFTXQLEN 0x8942
#endif
/* ifr_qlen is ifru_ivalue, but it isn't present in 2.0 kernel headers */
#ifndef ifr_qlen
-#define ifr_qlen ifr_ifru.ifru_mtu
+# define ifr_qlen ifr_ifru.ifru_mtu
#endif
#ifndef IFF_DYNAMIC
-#define IFF_DYNAMIC 0x8000 /* dialup device with changing addresses */
+# define IFF_DYNAMIC 0x8000 /* dialup device with changing addresses */
#endif
-#if CONFIG_FEATURE_IPV6
+#ifdef CONFIG_FEATURE_IPV6
struct in6_ifreq {
- struct in6_addr ifr6_addr;
- uint32_t ifr6_prefixlen;
- int ifr6_ifindex;
+ struct in6_addr ifr6_addr;
+ uint32_t ifr6_prefixlen;
+ int ifr6_ifindex;
};
#endif
#define ifreq_offsetof(x) offsetof(struct ifreq, x)
static const struct arg1opt Arg1Opt[] = {
- {"SIOCSIFMETRIC", SIOCSIFMETRIC, ifreq_offsetof(ifr_metric)},
- {"SIOCSIFMTU", SIOCSIFMTU, ifreq_offsetof(ifr_mtu)},
- {"SIOCSIFTXQLEN", SIOCSIFTXQLEN, ifreq_offsetof(ifr_qlen)},
+ {"SIOCSIFMETRIC", SIOCSIFMETRIC, ifreq_offsetof(ifr_metric)},
+ {"SIOCSIFMTU", SIOCSIFMTU, ifreq_offsetof(ifr_mtu)},
+ {"SIOCSIFTXQLEN", SIOCSIFTXQLEN, ifreq_offsetof(ifr_qlen)},
{"SIOCSIFDSTADDR", SIOCSIFDSTADDR, ifreq_offsetof(ifr_dstaddr)},
{"SIOCSIFNETMASK", SIOCSIFNETMASK, ifreq_offsetof(ifr_netmask)},
{"SIOCSIFBRDADDR", SIOCSIFBRDADDR, ifreq_offsetof(ifr_broadaddr)},
#ifdef CONFIG_FEATURE_IFCONFIG_HW
- {"SIOCSIFHWADDR", SIOCSIFHWADDR, ifreq_offsetof(ifr_hwaddr)},
+ {"SIOCSIFHWADDR", SIOCSIFHWADDR, ifreq_offsetof(ifr_hwaddr)},
#endif
{"SIOCSIFDSTADDR", SIOCSIFDSTADDR, ifreq_offsetof(ifr_dstaddr)},
#ifdef SIOCSKEEPALIVE
{"SIOCSKEEPALIVE", SIOCSKEEPALIVE, ifreq_offsetof(ifr_data)},
#endif
#ifdef SIOCSOUTFILL
- {"SIOCSOUTFILL", SIOCSOUTFILL, ifreq_offsetof(ifr_data)},
+ {"SIOCSOUTFILL", SIOCSOUTFILL, ifreq_offsetof(ifr_data)},
#endif
#ifdef CONFIG_FEATURE_IFCONFIG_MEMSTART_IOADDR_IRQ
- {"SIOCSIFMAP", SIOCSIFMAP, ifreq_offsetof(ifr_map.mem_start)},
- {"SIOCSIFMAP", SIOCSIFMAP, ifreq_offsetof(ifr_map.base_addr)},
- {"SIOCSIFMAP", SIOCSIFMAP, ifreq_offsetof(ifr_map.irq)},
+ {"SIOCSIFMAP", SIOCSIFMAP, ifreq_offsetof(ifr_map.mem_start)},
+ {"SIOCSIFMAP", SIOCSIFMAP, ifreq_offsetof(ifr_map.base_addr)},
+ {"SIOCSIFMAP", SIOCSIFMAP, ifreq_offsetof(ifr_map.irq)},
#endif
/* Last entry if for unmatched (possibly hostname) arg. */
-#if CONFIG_FEATURE_IPV6
- {"SIOCSIFADDR", SIOCSIFADDR, ifreq_offsetof(ifr_addr)}, /* IPv6 version ignores the offset */
- {"SIOCDIFADDR", SIOCDIFADDR, ifreq_offsetof(ifr_addr)}, /* IPv6 version ignores the offset */
+#ifdef CONFIG_FEATURE_IPV6
+ {"SIOCSIFADDR", SIOCSIFADDR, ifreq_offsetof(ifr_addr)}, /* IPv6 version ignores the offset */
+ {"SIOCDIFADDR", SIOCDIFADDR, ifreq_offsetof(ifr_addr)}, /* IPv6 version ignores the offset */
#endif
- {"SIOCSIFADDR", SIOCSIFADDR, ifreq_offsetof(ifr_addr)},
+ {"SIOCSIFADDR", SIOCSIFADDR, ifreq_offsetof(ifr_addr)},
};
static const struct options OptArray[] = {
- {"metric", N_ARG, ARG_METRIC, 0},
- {"mtu", N_ARG, ARG_MTU, 0},
- {"txqueuelen", N_ARG, ARG_TXQUEUELEN, 0},
- {"dstaddr", N_ARG, ARG_DSTADDR, 0},
- {"netmask", N_ARG, ARG_NETMASK, 0},
- {"broadcast", N_ARG | M_CLR, ARG_BROADCAST, IFF_BROADCAST},
+ {"metric", N_ARG, ARG_METRIC, 0},
+ {"mtu", N_ARG, ARG_MTU, 0},
+ {"txqueuelen", N_ARG, ARG_TXQUEUELEN, 0},
+ {"dstaddr", N_ARG, ARG_DSTADDR, 0},
+ {"netmask", N_ARG, ARG_NETMASK, 0},
+ {"broadcast", N_ARG | M_CLR, ARG_BROADCAST, IFF_BROADCAST},
#ifdef CONFIG_FEATURE_IFCONFIG_HW
- {"hw", N_ARG, ARG_HW, 0},
+ {"hw", N_ARG, ARG_HW, 0},
#endif
- {"pointopoint", N_ARG | M_CLR, ARG_POINTOPOINT, IFF_POINTOPOINT},
+ {"pointopoint", N_ARG | M_CLR, ARG_POINTOPOINT, IFF_POINTOPOINT},
#ifdef SIOCSKEEPALIVE
- {"keepalive", N_ARG, ARG_KEEPALIVE, 0},
+ {"keepalive", N_ARG, ARG_KEEPALIVE, 0},
#endif
#ifdef SIOCSOUTFILL
- {"outfill", N_ARG, ARG_OUTFILL, 0},
+ {"outfill", N_ARG, ARG_OUTFILL, 0},
#endif
#ifdef CONFIG_FEATURE_IFCONFIG_MEMSTART_IOADDR_IRQ
- {"mem_start", N_ARG, ARG_MEM_START, 0},
- {"io_addr", N_ARG, ARG_IO_ADDR, 0},
- {"irq", N_ARG, ARG_IRQ, 0},
+ {"mem_start", N_ARG, ARG_MEM_START, 0},
+ {"io_addr", N_ARG, ARG_IO_ADDR, 0},
+ {"irq", N_ARG, ARG_IRQ, 0},
#endif
-#if CONFIG_FEATURE_IPV6
- {"add", N_ARG, ARG_ADD_DEL, 0},
- {"del", N_ARG, ARG_ADD_DEL, 0},
+#ifdef CONFIG_FEATURE_IPV6
+ {"add", N_ARG, ARG_ADD_DEL, 0},
+ {"del", N_ARG, ARG_ADD_DEL, 0},
#endif
- {"arp", N_CLR | M_SET, 0, IFF_NOARP},
- {"trailers", N_CLR | M_SET, 0, IFF_NOTRAILERS},
- {"promisc", N_SET | M_CLR, 0, IFF_PROMISC},
- {"multicast", N_SET | M_CLR, 0, IFF_MULTICAST},
- {"allmulti", N_SET | M_CLR, 0, IFF_ALLMULTI},
- {"dynamic", N_SET | M_CLR, 0, IFF_DYNAMIC},
- {"up", N_SET , 0, (IFF_UP | IFF_RUNNING)},
- {"down", N_CLR , 0, IFF_UP},
- { NULL, 0, ARG_HOSTNAME, (IFF_UP | IFF_RUNNING)}
+ {"arp", N_CLR | M_SET, 0, IFF_NOARP},
+ {"trailers", N_CLR | M_SET, 0, IFF_NOTRAILERS},
+ {"promisc", N_SET | M_CLR, 0, IFF_PROMISC},
+ {"multicast", N_SET | M_CLR, 0, IFF_MULTICAST},
+ {"allmulti", N_SET | M_CLR, 0, IFF_ALLMULTI},
+ {"dynamic", N_SET | M_CLR, 0, IFF_DYNAMIC},
+ {"up", N_SET, 0, (IFF_UP | IFF_RUNNING)},
+ {"down", N_CLR, 0, IFF_UP},
+ {NULL, 0, ARG_HOSTNAME, (IFF_UP | IFF_RUNNING)}
};
/*
{
struct ifreq ifr;
struct sockaddr_in sai;
-#if CONFIG_FEATURE_IPV6
+
+#ifdef CONFIG_FEATURE_IPV6
struct sockaddr_in6 sai6;
#endif
#ifdef CONFIG_FEATURE_IFCONFIG_HW
#endif
const struct arg1opt *a1op;
const struct options *op;
- int sockfd; /* socket fd we use to manipulate stuff with */
+ int sockfd; /* socket fd we use to manipulate stuff with */
int goterr;
int selector;
char *p;
--argc;
#ifdef CONFIG_FEATURE_IFCONFIG_STATUS
- if ((argc > 0) && (strcmp(*argv,"-a") == 0)) {
+ if ((argc > 0) && (strcmp(*argv, "-a") == 0)) {
interface_opt_a = 1;
--argc;
++argv;
}
#endif
- if(argc <= 1) {
+ if (argc <= 1) {
#ifdef CONFIG_FEATURE_IFCONFIG_STATUS
return display_interfaces(argc ? *argv : NULL);
#else
- error_msg_and_die( "ifconfig was not compiled with interface status display support.");
+ error_msg_and_die
+ ("ifconfig was not compiled with interface status display support.");
#endif
}
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. */
+ 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;;
+ 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. */
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:
+ FOUND_ARG:
if (mask & ARG_MASK) {
mask = op->arg_flags;
a1op = Arg1Opt + (op - OptArray);
show_usage();
} else {
--argv;
- mask &= A_SET_AFTER; /* just for broadcast */
+ mask &= A_SET_AFTER; /* just for broadcast */
}
- } else { /* got an arg so process it */
- HOSTNAME:
+ } else { /* got an arg so process it */
+ HOSTNAME:
did_flags |= (mask & A_NETMASK);
if (mask & A_CAST_HOST_COPY) {
#ifdef CONFIG_FEATURE_IFCONFIG_HW
if (mask & A_CAST_RESOLVE) {
#endif
-#if CONFIG_FEATURE_IPV6
+#ifdef CONFIG_FEATURE_IPV6
char *prefix;
- int prefix_len=0;
+ int prefix_len = 0;
#endif
safe_strncpy(host, *argv, (sizeof host));
-#if CONFIG_FEATURE_IPV6
+#ifdef CONFIG_FEATURE_IPV6
if ((prefix = strchr(host, '/'))) {
prefix_len = atol(prefix + 1);
if ((prefix_len < 0) || (prefix_len > 128)) {
if (!strcmp(host, bb_INET_default)) {
/* Default is special, meaning 0.0.0.0. */
sai.sin_addr.s_addr = INADDR_ANY;
-#if CONFIG_FEATURE_IPV6
+#ifdef CONFIG_FEATURE_IPV6
} else
- if (inet_pton(AF_INET6, host, &sai6.sin6_addr) > 0) {
+ 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));
+
+ 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) {
+ if ((sockfd6 =
+ socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
perror_msg_and_die("socket6");
}
if (ioctl(sockfd6, SIOGIFINDEX, &ifr) < 0) {
perror("SIOGIFINDEX");
++goterr;
- continue;
+ continue;
}
ifr6.ifr6_ifindex = ifr.ifr_ifindex;
ifr6.ifr6_prefixlen = prefix_len;
}
p = (char *) &sai;
#ifdef CONFIG_FEATURE_IFCONFIG_HW
- } else { /* A_CAST_HOST_COPY_IN_ETHER */
+ } else { /* A_CAST_HOST_COPY_IN_ETHER */
/* This is the "hw" arg case. */
if (strcmp("ether", *argv) || (*++argv == NULL)) {
show_usage();
p = (char *) &sa;
}
#endif
- memcpy((((char *)(&ifr)) + a1op->ifr_offset),
+ memcpy((((char *) (&ifr)) + a1op->ifr_offset),
p, sizeof(struct sockaddr));
} else {
- unsigned int i = strtoul(*argv,NULL,0);
- p = ((char *)(&ifr)) + a1op->ifr_offset;
+ 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) {
#endif
if (mask & A_CAST_CHAR_PTR) {
*((caddr_t *) p) = (caddr_t) i;
- } else { /* A_CAST_INT */
+ } 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) {
/*
*/
char *ptr;
short int found_colon = 0;
- for (ptr = ifr.ifr_name; *ptr; ptr++ ) {
+
+ for (ptr = ifr.ifr_name; *ptr; ptr++) {
if (*ptr == ':') {
found_colon++;
}
}
-
+
if (found_colon && *(ptr - 1) == '-') {
continue;
}
}
if (ioctl(sockfd, SIOCGIFFLAGS, &ifr) < 0) {
- perror("SIOCGIFFLAGS");
+ perror("SIOCGIFFLAGS");
++goterr;
} else {
selector = op->selector;
ifr.ifr_flags &= ~selector;
}
if (ioctl(sockfd, SIOCSIFFLAGS, &ifr) < 0) {
- perror("SIOCSIFFLAGS");
+ perror("SIOCSIFFLAGS");
++goterr;
}
}
- LOOP:
+ LOOP:
continue;
- } /* end of while-loop */
+ } /* end of while-loop */
return goterr;
}
#ifdef CONFIG_FEATURE_IFCONFIG_HW
/* Input an Ethernet address and convert to binary. */
-static int
-in_ether(char *bufp, struct sockaddr *sap)
+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++) {
+
+ for (i = 0; i < ETH_ALEN; i++) {
val = 0;
/* We might get a semicolon here - not required. */
bufp++;
}
- for (j=0 ; j<2 ; j++) {
+ for (j = 0; j < 2; j++) {
c = *bufp;
if (c >= '0' && c <= '9') {
c -= '0';
*ptr++ = val;
}
- return (int) (*bufp); /* Error if we don't end at end of string. */
+ return (int) (*bufp); /* Error if we don't end at end of string. */
}
#endif
projects / oweals / busybox.git / blobdiff