* Authors of the original ifconfig was:
* Fred N. van Kempen, <waltje@uwalt.nl.mugnet.org>
*
- * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
/*
* IPV6 support added by Bart Visscher <magick@linux-fan.com>
*/
+//usage:#define ifconfig_trivial_usage
+//usage: IF_FEATURE_IFCONFIG_STATUS("[-a]") " interface [address]"
+//usage:#define ifconfig_full_usage "\n\n"
+//usage: "Configure a network interface\n"
+//usage: "\n"
+//usage: IF_FEATURE_IPV6(
+//usage: " [add ADDRESS[/PREFIXLEN]]\n")
+//usage: IF_FEATURE_IPV6(
+//usage: " [del ADDRESS[/PREFIXLEN]]\n")
+//usage: " [[-]broadcast [ADDRESS]] [[-]pointopoint [ADDRESS]]\n"
+//usage: " [netmask ADDRESS] [dstaddr ADDRESS]\n"
+//usage: IF_FEATURE_IFCONFIG_SLIP(
+//usage: " [outfill NN] [keepalive NN]\n")
+//usage: " " IF_FEATURE_IFCONFIG_HW("[hw ether" IF_FEATURE_HWIB("|infiniband")" ADDRESS] ") "[metric NN] [mtu NN]\n"
+//usage: " [[-]trailers] [[-]arp] [[-]allmulti]\n"
+//usage: " [multicast] [[-]promisc] [txqueuelen NN] [[-]dynamic]\n"
+//usage: IF_FEATURE_IFCONFIG_MEMSTART_IOADDR_IRQ(
+//usage: " [mem_start NN] [io_addr NN] [irq NN]\n")
+//usage: " [up|down] ..."
+
+#include "libbb.h"
+#include "inet_common.h"
#include <net/if.h>
#include <net/if_arp.h>
#include <netinet/in.h>
-#if defined(__GLIBC__) && __GLIBC__ >=2 && __GLIBC_MINOR__ >= 1
-#include <netpacket/packet.h>
-#include <net/ethernet.h>
-#else
-#include <sys/types.h>
-#include <netinet/if_ether.h>
+#ifdef HAVE_NET_ETHERNET_H
+# include <net/ethernet.h>
#endif
-#include "inet_common.h"
-#include "libbb.h"
#if ENABLE_FEATURE_IFCONFIG_SLIP
# include <net/if_slip.h>
{ "netmask", N_ARG, ARG_NETMASK, 0 },
{ "broadcast", N_ARG | M_CLR, ARG_BROADCAST, IFF_BROADCAST },
#if ENABLE_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 },
#ifdef SIOCSKEEPALIVE
/*
* A couple of prototypes.
*/
-
#if ENABLE_FEATURE_IFCONFIG_HW
static int in_ether(const char *bufp, struct sockaddr *sap);
#endif
/*
* Our main function.
*/
-
int ifconfig_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int ifconfig_main(int argc, char **argv)
+int ifconfig_main(int argc UNUSED_PARAM, char **argv)
{
struct ifreq ifr;
struct sockaddr_in sai;
/* skip argv[0] */
++argv;
- --argc;
#if ENABLE_FEATURE_IFCONFIG_STATUS
- if (argc > 0 && (argv[0][0] == '-' && argv[0][1] == 'a' && !argv[0][2])) {
+ if (argv[0] && (argv[0][0] == '-' && argv[0][1] == 'a' && !argv[0][2])) {
interface_opt_a = 1;
- --argc;
++argv;
}
#endif
- if (argc <= 1) {
+ if (!argv[0] || !argv[1]) { /* one or no args */
#if ENABLE_FEATURE_IFCONFIG_STATUS
- return display_interfaces(argc ? *argv : NULL);
+ return display_interfaces(argv[0] /* can be NULL */);
#else
bb_error_msg_and_die("no support for status display");
#endif
sockfd = xsocket(AF_INET, SOCK_DGRAM, 0);
/* get interface name */
- strncpy(ifr.ifr_name, *argv, IFNAMSIZ);
+ strncpy_IFNAMSIZ(ifr.ifr_name, *argv);
/* Process the remaining arguments. */
while (*++argv != (char *) NULL) {
#endif
sai.sin_family = AF_INET;
sai.sin_port = 0;
- if (!strcmp(host, bb_str_default)) {
+ if (strcmp(host, "default") == 0) {
/* Default is special, meaning 0.0.0.0. */
sai.sin_addr.s_addr = INADDR_ANY;
}
#if ENABLE_FEATURE_IFCONFIG_HW
} else { /* A_CAST_HOST_COPY_IN_ETHER */
/* This is the "hw" arg case. */
- if (strcmp("ether", *argv) || !*++argv)
+ smalluint hw_class= index_in_substrings("ether\0"
+ IF_FEATURE_HWIB("infiniband\0"), *argv) + 1;
+ if (!hw_class || !*++argv)
bb_show_usage();
/*safe_strncpy(host, *argv, sizeof(host));*/
host = *argv;
- if (in_ether(host, &sa))
+ if (hw_class == 1 ? in_ether(host, &sa) : in_ib(host, &sa))
bb_error_msg_and_die("invalid hw-addr %s", host);
p = (char *) &sa;
}
unsigned char c;
sap->sa_family = ARPHRD_ETHER;
- ptr = sap->sa_data;
+ ptr = (char *) sap->sa_data;
i = 0;
do {