#include <afsconfig.h>
#include <afs/param.h>
-RCSID("$Header$");
+RCSID
+ ("$Header$");
#include <sys/types.h>
#include <sys/param.h>
#include "AFS_component_version_number.c"
-main() {
- int i, cc, val;
- char foo[10];
+main()
+{
+ int i, cc, val;
+ char foo[10];
- syslog(LOG_ERR, "ifconfig test");
- create_sockets(htons(43242));
- for (i = 0; i < nintf; i++) {
- printf("%d: %s fd %d addr %s mask %x ",
- i, addrs[i].name, addrs[i].fd,
- inet_ntoa(addrs[i].sin.sin_addr.s_addr),
- ntohl(addrs[i].mask.sin_addr.s_addr));
- cc = sizeof(val);
- if (getsockopt(addrs[0].fd, SOL_SOCKET, SO_BROADCAST,
- (char*)&val, &cc)) {
- perror("getsockopt");
- exit(1);
- }
- printf("BCAST opt %d", val);
- cc = sizeof(val);
- if (getsockopt(addrs[0].fd, SOL_SOCKET, SO_RCVBUF,
- (char*)&val, &cc)) {
- perror("getsockopt");
- exit(1);
- }
- printf("sockbuf size = %d ", val);
- putchar('\n');
+ syslog(LOG_ERR, "ifconfig test");
+ create_sockets(htons(43242));
+ for (i = 0; i < nintf; i++) {
+ printf("%d: %s fd %d addr %s mask %x ", i, addrs[i].name,
+ addrs[i].fd, inet_ntoa(addrs[i].sin.sin_addr.s_addr),
+ ntohl(addrs[i].mask.sin_addr.s_addr));
+ cc = sizeof(val);
+ if (getsockopt
+ (addrs[0].fd, SOL_SOCKET, SO_BROADCAST, (char *)&val, &cc)) {
+ perror("getsockopt");
+ exit(1);
}
-
- for (i=0; i < nintf; i++) {
- fprintf(stderr, "Read fd %d.. ", addrs[i].fd);
- cc = read(addrs[i].fd, foo, 10);
- fprintf(stderr, " returns %d ", cc);
- perror("read errno");
+ printf("BCAST opt %d", val);
+ cc = sizeof(val);
+ if (getsockopt(addrs[0].fd, SOL_SOCKET, SO_RCVBUF, (char *)&val, &cc)) {
+ perror("getsockopt");
+ exit(1);
}
+ printf("sockbuf size = %d ", val);
+ putchar('\n');
+ }
+
+ for (i = 0; i < nintf; i++) {
+ fprintf(stderr, "Read fd %d.. ", addrs[i].fd);
+ cc = read(addrs[i].fd, foo, 10);
+ fprintf(stderr, " returns %d ", cc);
+ perror("read errno");
+ }
}
#endif
* socket at the INADDR_ANY address.
*/
create_sockets(port)
- unsigned int port;
+ unsigned int port;
{
- addrs[0].sin.sin_family = AF_INET;
- addrs[0].sin.sin_port = 0;
- addrs[0].sin.sin_addr.s_addr = INADDR_ANY;
- addrs[0].sin.sin_mask.s_addr = htonl(~0);
- addrs[0].name = "wildcard";
+ addrs[0].sin.sin_family = AF_INET;
+ addrs[0].sin.sin_port = 0;
+ addrs[0].sin.sin_addr.s_addr = INADDR_ANY;
+ addrs[0].sin.sin_mask.s_addr = htonl(~0);
+ addrs[0].name = "wildcard";
- if ((addrs[0].fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
- syslog(LOG_ERR, "socket() failed: %m");
+ if ((addrs[0].fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
+ syslog(LOG_ERR, "socket() failed: %m");
#ifdef TEST
- perror( "socket() failed");
+ perror("socket() failed");
#endif
- exit(1);
- /*NOTREACHED*/
- }
+ exit(1);
+ /*NOTREACHED*/}
- if (fcntl(addrs[i].fd, F_SETFL, FNDELAY) < 0) {
- syslog(LOG_ERR, "fcntl(FNDELAY) fails: %m");
+ if (fcntl(addrs[i].fd, F_SETFL, FNDELAY) < 0) {
+ syslog(LOG_ERR, "fcntl(FNDELAY) fails: %m");
#ifdef TEST
- perror("fcntl(FNDELAY) fails");
+ perror("fcntl(FNDELAY) fails");
#endif
- exit(1);
- /*NOTREACHED*/
- }
- addrs[0].sin.sin_family = AF_INET;
- addrs[0].sin.sin_port = port;
- addrs[0].if_flags = 0;
- if (bind(addrs[0].fd, (struct sockaddr *)&addrs[0].sin,
- sizeof(addrs[0].sin)) < 0) {
- syslog(LOG_ERR, "bind() fails: %m");
+ exit(1);
+ /*NOTREACHED*/}
+ addrs[0].sin.sin_family = AF_INET;
+ addrs[0].sin.sin_port = port;
+ addrs[0].if_flags = 0;
+ if (bind
+ (addrs[0].fd, (struct sockaddr *)&addrs[0].sin,
+ sizeof(addrs[0].sin)) < 0) {
+ syslog(LOG_ERR, "bind() fails: %m");
#ifdef TEST
- perror("bind fails\n");
+ perror("bind fails\n");
#endif
- exit(1);
- }
- nintf = 1;
- return nintf;
+ exit(1);
+ }
+ nintf = 1;
+ return nintf;
}
#else
/*
* address.
*/
create_sockets(port)
- unsigned int port;
+ unsigned int port;
{
- char buf[1024];
- struct ifconf ifc;
- struct ifreq ifreq, *ifr;
- int on = 1, off = 0;
- int n, i, vs;
- extern char *malloc();
+ char buf[1024];
+ struct ifconf ifc;
+ struct ifreq ifreq, *ifr;
+ int on = 1, off = 0;
+ int n, i, vs;
+ extern char *malloc();
- /*
- * create pseudo-interface with wildcard address
- */
- addrs[nintf].sin.sin_family = AF_INET;
- addrs[nintf].sin.sin_port = 0;
- addrs[nintf].sin.sin_addr.s_addr = INADDR_ANY;
- addrs[nintf].name = "wild";
- addrs[nintf].mask.sin_addr.s_addr = htonl(~0);
+ /*
+ * create pseudo-interface with wildcard address
+ */
+ addrs[nintf].sin.sin_family = AF_INET;
+ addrs[nintf].sin.sin_port = 0;
+ addrs[nintf].sin.sin_addr.s_addr = INADDR_ANY;
+ addrs[nintf].name = "wild";
+ addrs[nintf].mask.sin_addr.s_addr = htonl(~0);
- nintf = 1;
+ nintf = 1;
- if ((vs = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
- syslog(LOG_ERR, "vs=socket(AF_INET, SOCK_DGRAM) %m");
+ if ((vs = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
+ syslog(LOG_ERR, "vs=socket(AF_INET, SOCK_DGRAM) %m");
#ifdef TEST
- perror("vs=socket(AF_INET, SOCK_DGRAM)");
+ perror("vs=socket(AF_INET, SOCK_DGRAM)");
#endif
- exit(1);
- }
- ifc.ifc_len = sizeof(buf);
- ifc.ifc_buf = buf;
- if (ioctl(vs, SIOCGIFCONF, (char *)&ifc) < 0) {
- syslog(LOG_ERR, "get interface configuration: %m");
+ exit(1);
+ }
+ ifc.ifc_len = sizeof(buf);
+ ifc.ifc_buf = buf;
+ if (ioctl(vs, SIOCGIFCONF, (char *)&ifc) < 0) {
+ syslog(LOG_ERR, "get interface configuration: %m");
#ifdef TEST
- perror("ioctl(SIOCGIFCONF) fails");
+ perror("ioctl(SIOCGIFCONF) fails");
#endif
- exit(1);
- }
- n = ifc.ifc_len/sizeof(struct ifreq);
+ exit(1);
+ }
+ n = ifc.ifc_len / sizeof(struct ifreq);
- for (ifr = ifc.ifc_req; n > 0; n--, ifr++) {
- if (ifr->ifr_addr.sa_family != AF_INET)
- continue;
- ifreq = *ifr;
- if (ioctl(vs, SIOCGIFFLAGS, (char *)&ifreq) < 0) {
- syslog(LOG_ERR, "get interface flags: %m");
+ for (ifr = ifc.ifc_req; n > 0; n--, ifr++) {
+ if (ifr->ifr_addr.sa_family != AF_INET)
+ continue;
+ ifreq = *ifr;
+ if (ioctl(vs, SIOCGIFFLAGS, (char *)&ifreq) < 0) {
+ syslog(LOG_ERR, "get interface flags: %m");
#ifdef TEST
- perror("SIOCGIFFFLAGS fails");
+ perror("SIOCGIFFFLAGS fails");
#endif
- continue;
- }
- if ((ifreq.ifr_flags & IFF_UP) == 0)
- continue;
- addrs[nintf].if_flags = ifreq.ifr_flags;
+ continue;
+ }
+ if ((ifreq.ifr_flags & IFF_UP) == 0)
+ continue;
+ addrs[nintf].if_flags = ifreq.ifr_flags;
- if (ioctl(vs, SIOCGIFADDR, (char *)&ifreq) < 0) {
- syslog(LOG_ERR, "get interface addr: %m");
+ if (ioctl(vs, SIOCGIFADDR, (char *)&ifreq) < 0) {
+ syslog(LOG_ERR, "get interface addr: %m");
#ifdef TEST
- perror("SIOCGIFADDR fails");
+ perror("SIOCGIFADDR fails");
#endif
- continue;
- }
- if ((addrs[nintf].name = malloc(strlen(ifreq.ifr_name)+1))
- == NULL) {
- syslog(LOG_ERR, "malloc failed");
- exit(1);
- }
- strcpy(addrs[nintf].name, ifreq.ifr_name);
- addrs[nintf].sin = *(struct sockaddr_in *)&ifreq.ifr_addr;
+ continue;
+ }
+ if ((addrs[nintf].name = malloc(strlen(ifreq.ifr_name) + 1))
+ == NULL) {
+ syslog(LOG_ERR, "malloc failed");
+ exit(1);
+ }
+ strcpy(addrs[nintf].name, ifreq.ifr_name);
+ addrs[nintf].sin = *(struct sockaddr_in *)&ifreq.ifr_addr;
#ifdef SIOCGIFBRDADDR
- if (addrs[nintf].if_flags & IFF_BROADCAST) {
- if (ioctl(vs, SIOCGIFBRDADDR, (char *)&ifreq) < 0) {
- syslog(LOG_ERR, "SIOCGIFBRDADDR fails");
+ if (addrs[nintf].if_flags & IFF_BROADCAST) {
+ if (ioctl(vs, SIOCGIFBRDADDR, (char *)&ifreq) < 0) {
+ syslog(LOG_ERR, "SIOCGIFBRDADDR fails");
#ifdef TEST
- perror("SIOCGIFBRDADDR fails");
+ perror("SIOCGIFBRDADDR fails");
#endif
- exit(1);
- }
+ exit(1);
+ }
#ifdef ifr_broadaddr
- addrs[nintf].bcast =
- *(struct sockaddr_in *)&ifreq.ifr_broadaddr;
+ addrs[nintf].bcast = *(struct sockaddr_in *)&ifreq.ifr_broadaddr;
#else
- addrs[nintf].bcast =
- *(struct sockaddr_in *)&ifreq.ifr_addr;
+ addrs[nintf].bcast = *(struct sockaddr_in *)&ifreq.ifr_addr;
#endif
- }
+ }
#endif /* SIOCGIFBRDADDR */
#ifdef SIOCGIFNETMASK
- if (ioctl(vs, SIOCGIFNETMASK, (char *)&ifreq) < 0) {
- syslog(LOG_ERR, "SIOCGIFNETMASK fails");
+ if (ioctl(vs, SIOCGIFNETMASK, (char *)&ifreq) < 0) {
+ syslog(LOG_ERR, "SIOCGIFNETMASK fails");
#ifdef TEST
- perror("SIOCGIFNETMASK fails");
+ perror("SIOCGIFNETMASK fails");
#endif
- exit(1);
- }
- addrs[nintf].mask = *(struct sockaddr_in *)&ifreq.ifr_addr;
+ exit(1);
+ }
+ addrs[nintf].mask = *(struct sockaddr_in *)&ifreq.ifr_addr;
#endif /* SIOCGIFNETMASK */
- /*
- * look for an already existing source interface address. If
- * the machine has multiple point to point interfaces, then
- * the local address may appear more than once.
- */
- for (i=0; i < nintf; i++)
- if (addrs[i].sin.sin_addr.s_addr ==
- addrs[nintf].sin.sin_addr.s_addr) {
+ /*
+ * look for an already existing source interface address. If
+ * the machine has multiple point to point interfaces, then
+ * the local address may appear more than once.
+ */
+ for (i = 0; i < nintf; i++)
+ if (addrs[i].sin.sin_addr.s_addr ==
+ addrs[nintf].sin.sin_addr.s_addr) {
#ifdef TEST
- printf("dup interface address %s on %s\n",
- inet_ntoa(addrs[nintf].sin.sin_addr.s_addr),
- ifreq.ifr_name);
-#endif
- goto next;
- }
- nintf++;
- next:;
- }
- close(vs);
+ printf("dup interface address %s on %s\n",
+ inet_ntoa(addrs[nintf].sin.sin_addr.s_addr),
+ ifreq.ifr_name);
+#endif
+ goto next;
+ }
+ nintf++;
+ next:;
+ }
+ close(vs);
- for (i = 0; i < nintf; i++) {
- /* create a datagram (UDP) socket */
- if ((addrs[i].fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
- syslog(LOG_ERR, "socket() failed: %m");
+ for (i = 0; i < nintf; i++) {
+ /* create a datagram (UDP) socket */
+ if ((addrs[i].fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
+ syslog(LOG_ERR, "socket() failed: %m");
#ifdef TEST
- perror("socket(AF_INET, SOCK_DGRAM) fails");
+ perror("socket(AF_INET, SOCK_DGRAM) fails");
#endif
- exit(1);
- /*NOTREACHED*/
- }
+ exit(1);
+ /*NOTREACHED*/}
- /* set SO_REUSEADDR since we will be binding the same port
- number on each interface */
- if (setsockopt(addrs[i].fd, SOL_SOCKET, SO_REUSEADDR,
- (char *)&on, sizeof(on))) {
+ /* set SO_REUSEADDR since we will be binding the same port
+ * number on each interface */
+ if (setsockopt
+ (addrs[i].fd, SOL_SOCKET, SO_REUSEADDR, (char *)&on,
+ sizeof(on))) {
#ifdef TEST
- perror("setsockopt SO_REUSEADDR on");
+ perror("setsockopt SO_REUSEADDR on");
#endif
- syslog(LOG_ERR, "setsockopt SO_REUSEADDR on fails: %m");
- }
+ syslog(LOG_ERR, "setsockopt SO_REUSEADDR on fails: %m");
+ }
- /*
- * set non-blocking I/O on the descriptor
- */
- if (fcntl(addrs[i].fd, F_SETFL, FNDELAY) < 0) {
- syslog(LOG_ERR, "fcntl(FNDELAY) fails: %m");
+ /*
+ * set non-blocking I/O on the descriptor
+ */
+ if (fcntl(addrs[i].fd, F_SETFL, FNDELAY) < 0) {
+ syslog(LOG_ERR, "fcntl(FNDELAY) fails: %m");
#ifdef TEST
- perror("fcntl(F_SETFL, FNDELAY) fails");
+ perror("fcntl(F_SETFL, FNDELAY) fails");
#endif
- exit(1);
- /*NOTREACHED*/
- }
+ exit(1);
+ /*NOTREACHED*/}
- /*
- * finally, bind the local address address.
- */
- addrs[i].sin.sin_family = AF_INET;
- addrs[i].sin.sin_port = port;
- if (bind(addrs[i].fd, (struct sockaddr *)&addrs[i].sin,
- sizeof(addrs[i].sin)) < 0) {
- syslog(LOG_ERR, "bind() fails: %m");
+ /*
+ * finally, bind the local address address.
+ */
+ addrs[i].sin.sin_family = AF_INET;
+ addrs[i].sin.sin_port = port;
+ if (bind
+ (addrs[i].fd, (struct sockaddr *)&addrs[i].sin,
+ sizeof(addrs[i].sin)) < 0) {
+ syslog(LOG_ERR, "bind() fails: %m");
#ifdef TEST
- perror("bind fails");
+ perror("bind fails");
#endif
- exit(1);
- }
+ exit(1);
+ }
- /*
- * Turn off the SO_REUSEADDR socket option. It apparently
- * causes heartburn on systems with multicast IP installed.
- * On normal systems it only gets looked at when the address
- * is being bound anyway..
- */
- if (setsockopt(addrs[i].fd, SOL_SOCKET, SO_REUSEADDR,
- (char *)&off, sizeof(off))) {
- syslog(LOG_ERR, "setsockopt SO_REUSEADDR off fails: %m");
+ /*
+ * Turn off the SO_REUSEADDR socket option. It apparently
+ * causes heartburn on systems with multicast IP installed.
+ * On normal systems it only gets looked at when the address
+ * is being bound anyway..
+ */
+ if (setsockopt
+ (addrs[i].fd, SOL_SOCKET, SO_REUSEADDR, (char *)&off,
+ sizeof(off))) {
+ syslog(LOG_ERR, "setsockopt SO_REUSEADDR off fails: %m");
#ifdef TEST
- perror("setsockopt SO_REUSEADDR off");
+ perror("setsockopt SO_REUSEADDR off");
#endif
- }
-
+ }
#ifdef SO_BROADCAST
- /* if this interface can support broadcast, set SO_BROADCAST */
- if (addrs[i].if_flags & IFF_BROADCAST) {
- if (setsockopt(addrs[i].fd, SOL_SOCKET, SO_BROADCAST,
- (char *)&on, sizeof(on))) {
- syslog(LOG_ERR, "setsockopt(SO_BROADCAST): %m");
+ /* if this interface can support broadcast, set SO_BROADCAST */
+ if (addrs[i].if_flags & IFF_BROADCAST) {
+ if (setsockopt
+ (addrs[i].fd, SOL_SOCKET, SO_BROADCAST, (char *)&on,
+ sizeof(on))) {
+ syslog(LOG_ERR, "setsockopt(SO_BROADCAST): %m");
#ifdef TEST
- perror("setsockopt(SO_BROADCAST) on");
+ perror("setsockopt(SO_BROADCAST) on");
#endif
- }
- }
-#endif /* SO_BROADCAST */
+ }
}
- return nintf;
+#endif /* SO_BROADCAST */
+ }
+ return nintf;
}
#endif
-
git://git.openafs.org / openafs.git / blobdiff