X-Git-Url: http://git.meshlink.io/?p=meshlink;a=blobdiff_plain;f=src%2Fnetutl.c;h=9988b123728aff79fe08ac8d7a4d16db6aef4f2f;hp=5406bbb85e983f6fcfe1a48c0666c722a098e3e6;hb=af60e5f5164b28495c4a441f38c86e8f6b184a38;hpb=5b5e1456905850d03638621328dff994876458c2

diff --git a/src/netutl.c b/src/netutl.c
index 5406bbb8..9988b123 100644
--- a/src/netutl.c
+++ b/src/netutl.c
@@ -19,6 +19,7 @@
 
 #include "system.h"
 
+#include "meshlink_internal.h"
 #include "net.h"
 #include "netutl.h"
 #include "logger.h"
@@ -77,6 +78,45 @@ sockaddr_t str2sockaddr(const char *address, const char *port) {
 	return result;
 }
 
+sockaddr_t str2sockaddr_random(struct meshlink_handle *mesh, const char *address, const char *port) {
+	struct addrinfo *ai;
+	sockaddr_t result;
+	int err;
+
+	memset(&result, 0, sizeof(result));
+
+	struct addrinfo hint = {
+		.ai_family = AF_UNSPEC,
+		.ai_flags = NI_NUMERICHOST | NI_NUMERICSERV,
+		.ai_socktype = SOCK_STREAM,
+	};
+
+	err = getaddrinfo(address, port, &hint, &ai);
+
+	if(err || !ai) {
+		logger(NULL, MESHLINK_DEBUG, "Unknown type address %s port %s", address, port);
+		result.sa.sa_family = AF_UNKNOWN;
+		result.unknown.address = xstrdup(address);
+		result.unknown.port = xstrdup(port);
+		return result;
+	}
+
+	int count = 0;
+
+	for(struct addrinfo *aip = ai; aip; aip = aip->ai_next) {
+		count++;
+	}
+
+	struct addrinfo *aip = ai;
+
+	for(count = prng(mesh, count); count--; aip = aip->ai_next);
+
+	memcpy(&result, aip->ai_addr, aip->ai_addrlen);
+	freeaddrinfo(ai);
+
+	return result;
+}
+
 void sockaddr2str(const sockaddr_t *sa, char **addrstr, char **portstr) {
 	char address[NI_MAXHOST];
 	char port[NI_MAXSERV];