ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/package/network/utils/resolveip/src/resolveip.c b/package/network/utils/resolveip/src/resolveip.c
new file mode 100644
index 0000000..f7a918d
--- /dev/null
+++ b/package/network/utils/resolveip/src/resolveip.c
@@ -0,0 +1,98 @@
+/*
+ * Based on code found at https://dev.openwrt.org/ticket/4876 .
+ * Extended by Jo-Philipp Wich <jo@mein.io> 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;
+ int 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 ((char)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);
+}