diff options
Diffstat (limited to 'package/resolveip/src')
| -rw-r--r-- | package/resolveip/src/resolveip.c | 98 | 
1 files changed, 0 insertions, 98 deletions
diff --git a/package/resolveip/src/resolveip.c b/package/resolveip/src/resolveip.c deleted file mode 100644 index 310f35ffd..000000000 --- a/package/resolveip/src/resolveip.c +++ /dev/null @@ -1,98 +0,0 @@ -/* - * Based on code found at https://dev.openwrt.org/ticket/4876 . - * Extended by Jo-Philipp Wich <jow@openwrt.org> for use in OpenWrt. - * - * You may use this program under the terms of the GPLv2 license. - */ - -#include <string.h> -#include <stdio.h> -#include <sys/types.h> -#include <sys/socket.h> -#include <netdb.h> -#include <arpa/inet.h> -#include <netinet/in.h> -#include <stdlib.h> -#include <unistd.h> -#include <signal.h> - - -static void abort_query(int sig) -{ -	exit(1); -} - -static void show_usage(void) -{ -	printf("Usage:\n"); -	printf("	resolveip -h\n"); -	printf("	resolveip [-t timeout] hostname\n"); -	printf("	resolveip -4 [-t timeout] hostname\n"); -	printf("	resolveip -6 [-t timeout] hostname\n"); -	exit(255); -} - -int main(int argc, char **argv) -{ -	int timeout = 3; -	char opt; -	char ipaddr[INET6_ADDRSTRLEN]; -	void *addr; -	struct addrinfo *res, *rp; -	struct sigaction sa = {	.sa_handler = &abort_query }; -	struct addrinfo hints = { -		.ai_family   = AF_UNSPEC, -		.ai_socktype = SOCK_STREAM, -		.ai_protocol = IPPROTO_TCP, -		.ai_flags    = 0 -	}; - -	while ((opt = getopt(argc, argv, "46t:h")) > -1) -	{ -		switch (opt) -		{ -			case '4': -				hints.ai_family = AF_INET; -				break; - -			case '6': -				hints.ai_family = AF_INET6; -				break; - -			case 't': -				timeout = atoi(optarg); -				if (timeout <= 0) -					show_usage(); -				break; - -			case 'h': -				show_usage(); -				break; -		} -	} - -	if (!argv[optind]) -		show_usage(); - -	sigaction(SIGALRM, &sa, NULL); -	alarm(timeout); - -	if (getaddrinfo(argv[optind], NULL, &hints, &res)) -		exit(2); - -	for (rp = res; rp != NULL; rp = rp->ai_next) -	{ -		addr = (rp->ai_family == AF_INET) -			? (void *)&((struct sockaddr_in *)rp->ai_addr)->sin_addr -			: (void *)&((struct sockaddr_in6 *)rp->ai_addr)->sin6_addr -		; - -		if (!inet_ntop(rp->ai_family, addr, ipaddr, INET6_ADDRSTRLEN - 1)) -			exit(3); - -		printf("%s\n", ipaddr); -	} - -	freeaddrinfo(res); -	exit(0); -}  | 
