+/* vi: set sw=4 ts=4: */
/* ifconfig
*
* Similar to the standard Unix ifconfig, but with only the necessary
* Authors of the original ifconfig was:
* Fred N. van Kempen, <waltje@uwalt.nl.mugnet.org>
*
- * This program is free software; you can redistribute it
- * and/or modify it under the terms of the GNU General
- * Public License as published by the Free Software
- * Foundation; either version 2 of the License, or (at
- * your option) any later version.
- *
- * $Id: ifconfig.c,v 1.29 2004/03/15 08:28:48 andersen Exp $
- *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
/*
#include <string.h> /* strcmp and friends */
#include <ctype.h> /* isdigit and friends */
#include <stddef.h> /* offsetof */
+#include <unistd.h>
+#include <netdb.h>
#include <sys/ioctl.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <netpacket/packet.h>
#include <net/ethernet.h>
#else
-#include <asm/types.h>
-#include <linux/if_ether.h>
+#include <sys/types.h>
+#include <netinet/if_ether.h>
#endif
#include "inet_common.h"
#include "busybox.h"
struct arg1opt {
const char *name;
- unsigned short selector;
+ int selector;
unsigned short ifr_offset;
};
}
/* Create a channel to the NET kernel. */
- if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
- bb_perror_msg_and_die("socket");
- }
+ sockfd = bb_xsocket(AF_INET, SOCK_DGRAM, 0);
/* get interface name */
safe_strncpy(ifr.ifr_name, *argv, IFNAMSIZ);
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;;
+ goto FOUND_ARG;
}
/* If we get here, there was a valid arg with an */
/* invalid '-' prefix. */
#endif
} else if (inet_aton(host, &sai.sin_addr) == 0) {
/* It's not a dotted quad. */
- ++goterr;
- continue;
+ struct hostent *hp;
+ if ((hp = gethostbyname(host)) == (struct hostent *)NULL) {
+ ++goterr;
+ continue;
+ }
+ memcpy((char *) &sai.sin_addr, (char *) hp->h_addr_list[0],
+ sizeof(struct in_addr));
}
#ifdef CONFIG_FEATURE_IFCONFIG_BROADCAST_PLUS
if (mask & A_HOSTNAME) {
memcpy((((char *) (&ifr)) + a1op->ifr_offset),
p, sizeof(struct sockaddr));
} else {
- unsigned int i = strtoul(*argv, NULL, 0);
+ unsigned long i = strtoul(*argv, NULL, 0);
p = ((char *) (&ifr)) + a1op->ifr_offset;
#ifdef CONFIG_FEATURE_IFCONFIG_MEMSTART_IOADDR_IRQ
continue;
} /* end of while-loop */
+ if (ENABLE_FEATURE_CLEAN_UP) close(sockfd);
return goterr;
}
/* Input an Ethernet address and convert to binary. */
static int in_ether(char *bufp, struct sockaddr *sap)
{
- unsigned char *ptr;
+ char *ptr;
int i, j;
unsigned char val;
unsigned char c;