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Add -A to specify local address for bind().

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This commit is contained in:
Bruce M Simpson 2007-03-08 14:37:00 +00:00
parent f3bb407b7c
commit 48451912c9
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=167341
1 changed files with 25 additions and 15 deletions
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40
tools/regression/netinet/ipbroadcast/ipbroadcast.c
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@ -74,19 +74,20 @@ static void
usage(void)
{
fprintf(stderr,
"usage: %s [-1] [-b] [-B] [-d] [-i iface] [-l len] [-p port] [-r]\n"
" [-s srcaddr] [-t ttl] <dest>\n",
progname);
fprintf(stderr, "IPv4 broadcast test program. Sends a %d byte UDP "
"datagram to <dest>:<port>.\n", DEFAULT_PAYLOAD_SIZE);
"datagram to <dest>:<port>.\n\n", DEFAULT_PAYLOAD_SIZE);
fprintf(stderr,
"usage: %s [-1] [-A laddr] [-b] [-B] [-d] [-i iface] [-l len]\n"
" [-p port] [-r] [-s srcaddr] [-t ttl] <dest>\n",
progname);
fprintf(stderr, "-1: Set IP_ONESBCAST\n");
fprintf(stderr, "-b: bind socket to INADDR_ANY:<sport>\n");
fprintf(stderr, "-A: specify laddr (default: INADDR_ANY)\n");
fprintf(stderr, "-b: bind socket to <laddr>:<lport>\n");
fprintf(stderr, "-B: Set SO_BROADCAST\n");
fprintf(stderr, "-d: Set SO_DONTROUTE\n");
fprintf(stderr, "-i: Set IP_SENDIF <iface>\n");
fprintf(stderr, "-i: Set IP_SENDIF <iface> (if supported)\n");
fprintf(stderr, "-l: Set payload size to <len>\n");
fprintf(stderr, "-p: Set source and destination port (default: %d)\n",
fprintf(stderr, "-p: Set local and remote port (default: %d)\n",
DEFAULT_PORT);
#if 0
fprintf(stderr, "-r: Fill datagram with random bytes\n");
@ -105,11 +106,13 @@ main(int argc, char *argv[])
struct iovec iov[1];
struct msghdr msg;
struct sockaddr_in dsin;
struct sockaddr_in laddr;
struct sockaddr_dl *sdl;
struct cmsghdr *cmsgp;
struct in_addr dstaddr;
struct in_addr *srcaddrp;
char *ifname;
char *laddr_s;
char *srcaddr_s;
int ch;
int dobind;
@ -134,6 +137,7 @@ main(int argc, char *argv[])
ifname = NULL;
dstaddr.s_addr = INADDR_ANY;
laddr_s = NULL;
srcaddr_s = NULL;
portno = DEFAULT_PORT;
ttl = DEFAULT_TTL;
@ -142,11 +146,14 @@ main(int argc, char *argv[])
buflen = DEFAULT_PAYLOAD_SIZE;
progname = basename(argv[0]);
while ((ch = getopt(argc, argv, "1bBdi:l:p:rs:t:")) != -1) {
while ((ch = getopt(argc, argv, "1A:bBdi:l:p:rs:t:")) != -1) {
switch (ch) {
case '1':
doonesbcast = 1;
break;
case 'A':
laddr_s = optarg;
break;
case 'b':
dobind = 1;
break;
@ -241,12 +248,15 @@ main(int argc, char *argv[])
}
if (dobind) {
memset(&dsin, 0, sizeof(struct sockaddr_in));
dsin.sin_family = AF_INET;
dsin.sin_len = sizeof(struct sockaddr_in);
dsin.sin_addr.s_addr = INADDR_ANY;
dsin.sin_port = htons(portno);
ret = bind(s, (struct sockaddr *)&dsin, sizeof(dsin));
memset(&laddr, 0, sizeof(struct sockaddr_in));
laddr.sin_family = AF_INET;
laddr.sin_len = sizeof(struct sockaddr_in);
if (laddr_s != NULL) {
laddr.sin_addr.s_addr = inet_addr(laddr_s);
} else
laddr.sin_addr.s_addr = INADDR_ANY;
laddr.sin_port = htons(portno);
ret = bind(s, (struct sockaddr *)&laddr, sizeof(laddr));
if (ret == -1) {
perror("bind");
close(s);