1 /* @(#)get_myaddress.c 2.1 88/07/29 4.0 RPCSRC */
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34 #if !defined(lint) && defined(SCCSIDS)
35 static char sccsid[] = "@(#)get_myaddress.c 1.4 87/08/11 Copyr 1984 Sun Micro";
41 * Get client's IP address via ioctl. This avoids using the yellowpages.
46 #include <gssrpc/types.h>
47 #include <gssrpc/rpc.h>
48 #include <gssrpc/pmap_prot.h>
49 #include <sys/socket.h>
50 #include <netinet/in.h>
53 * don't use gethostbyname, which would invoke yellow pages
56 get_myaddress(struct sockaddr_in *addr)
58 memset(addr, 0, sizeof(*addr));
59 addr->sin_family = AF_INET;
60 addr->sin_port = htons(PMAPPORT);
61 addr->sin_addr.s_addr = htonl(INADDR_LOOPBACK);
64 #else /* !GSSAPI_KRB5 */
65 #include <gssrpc/types.h>
66 #include <gssrpc/pmap_prot.h>
67 #include <sys/socket.h>
69 #include <sys/sockio.h>
73 #include <net/route.h>
77 #include <sys/ioctl.h>
78 #include <arpa/inet.h>
79 #include <netinet/in.h>
82 * don't use gethostbyname, which would invoke yellow pages
84 get_myaddress(struct sockaddr_in *addr)
87 char buf[256 * sizeof (struct ifreq)];
89 struct ifreq ifreq, *ifr;
92 if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
93 perror("get_myaddress: socket");
97 ifc.ifc_len = sizeof (buf);
99 if (ioctl(s, SIOCGIFCONF, (char *)&ifc) < 0) {
100 perror("get_myaddress: ioctl (get interface configuration)");
104 for (len = ifc.ifc_len; len; len -= sizeof ifreq) {
106 if (ioctl(s, SIOCGIFFLAGS, (char *)&ifreq) < 0) {
107 perror("get_myaddress: ioctl");
110 if ((ifreq.ifr_flags & IFF_UP) &&
111 ifr->ifr_addr.sa_family == AF_INET) {
112 *addr = *((struct sockaddr_in *)&ifr->ifr_addr);
113 addr->sin_port = htons(PMAPPORT);
120 #endif /* !GSSAPI_KRB5 */