diff options
Diffstat (limited to 'tests/sys/netinet/udp_dontroute.c')
-rw-r--r-- | tests/sys/netinet/udp_dontroute.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/tests/sys/netinet/udp_dontroute.c b/tests/sys/netinet/udp_dontroute.c new file mode 100644 index 000000000000..6952f99593f2 --- /dev/null +++ b/tests/sys/netinet/udp_dontroute.c @@ -0,0 +1,85 @@ +/* + * Copyright (c) 2014 Spectra Logic Corporation + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + * + * Authors: Alan Somers (Spectra Logic Corporation) + * + * $FreeBSD$ + */ + +#include <arpa/inet.h> +#include <netinet/in.h> +#include <sys/types.h> +#include <sys/socket.h> + +#include <err.h> +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +/* + * Sends a single UDP packet to the provided address, with SO_DONTROUTE set + * I couldn't find a way to do this with builtin utilities like nc(1) + */ +int main(int argc, char **argv) +{ + struct sockaddr_in dst; + int s; + int opt; + int ret; + const char* buf = "Hello, World!"; + + if (argc != 2) { + fprintf(stderr, "Usage: %s ip_address\n", argv[0]); + exit(2); + } + s = socket(PF_INET, SOCK_DGRAM, 0); + if (s < 0) + err(errno, "socket"); + opt = 1; + + ret = setsockopt(s, SOL_SOCKET, SO_DONTROUTE, &opt, sizeof(opt)); + if (ret == -1) + err(errno, "setsockopt(SO_DONTROUTE)"); + + dst.sin_len = sizeof(dst); + dst.sin_family = AF_INET; + dst.sin_port = htons(46120); + dst.sin_addr.s_addr = inet_addr(argv[1]); + if (dst.sin_addr.s_addr == htonl(INADDR_NONE)) { + fprintf(stderr, "Invalid address: %s\n", argv[1]); + exit(2); + } + ret = sendto(s, buf, strlen(buf), 0, (struct sockaddr*)&dst, + dst.sin_len); + if (ret == -1) + err(errno, "sendto"); + + return (0); +} |