diff options
Diffstat (limited to 'src/lib/rpc/get_myaddress.c')
| -rw-r--r-- | src/lib/rpc/get_myaddress.c | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/src/lib/rpc/get_myaddress.c b/src/lib/rpc/get_myaddress.c new file mode 100644 index 0000000000000..1108ea1b7922a --- /dev/null +++ b/src/lib/rpc/get_myaddress.c @@ -0,0 +1,120 @@ +/* @(#)get_myaddress.c 2.1 88/07/29 4.0 RPCSRC */ +/* + * Copyright (c) 2010, Oracle America, Inc. + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * * Neither the name of the "Oracle America, Inc." nor the names of + * its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * 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 MERCHANTABILITY AND FITNESS FOR A + * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * 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 DAMAGE. + */ +#if !defined(lint) && defined(SCCSIDS) +static char sccsid[] = "@(#)get_myaddress.c 1.4 87/08/11 Copyr 1984 Sun Micro"; +#endif + +/* + * get_myaddress.c + * + * Get client's IP address via ioctl. This avoids using the yellowpages. + */ + +#ifdef GSSAPI_KRB5 +#include <string.h> +#include <gssrpc/types.h> +#include <gssrpc/rpc.h> +#include <gssrpc/pmap_prot.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <krb5.h> +/* + * don't use gethostbyname, which would invoke yellow pages + */ +int +get_myaddress(struct sockaddr_in *addr) +{ + memset(addr, 0, sizeof(*addr)); + addr->sin_family = AF_INET; + addr->sin_port = htons(PMAPPORT); + addr->sin_addr.s_addr = htonl(INADDR_LOOPBACK); + return (0); +} +#else /* !GSSAPI_KRB5 */ +#include <gssrpc/types.h> +#include <gssrpc/pmap_prot.h> +#include <sys/socket.h> +#if defined(sun) +#include <sys/sockio.h> +#endif +#include <stdio.h> +#ifdef OSF1 +#include <net/route.h> +#include <sys/mbuf.h> +#endif +#include <net/if.h> +#include <sys/ioctl.h> +#include <arpa/inet.h> +#include <netinet/in.h> + +/* + * don't use gethostbyname, which would invoke yellow pages + */ +get_myaddress(struct sockaddr_in *addr) +{ + int s; + char buf[256 * sizeof (struct ifreq)]; + struct ifconf ifc; + struct ifreq ifreq, *ifr; + int len; + + if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { + perror("get_myaddress: socket"); + exit(1); + } + set_cloexec_fd(s); + ifc.ifc_len = sizeof (buf); + ifc.ifc_buf = buf; + if (ioctl(s, SIOCGIFCONF, (char *)&ifc) < 0) { + perror("get_myaddress: ioctl (get interface configuration)"); + exit(1); + } + ifr = ifc.ifc_req; + for (len = ifc.ifc_len; len; len -= sizeof ifreq) { + ifreq = *ifr; + if (ioctl(s, SIOCGIFFLAGS, (char *)&ifreq) < 0) { + perror("get_myaddress: ioctl"); + exit(1); + } + if ((ifreq.ifr_flags & IFF_UP) && + ifr->ifr_addr.sa_family == AF_INET) { + *addr = *((struct sockaddr_in *)&ifr->ifr_addr); + addr->sin_port = htons(PMAPPORT); + break; + } + ifr++; + } + (void) close(s); +} +#endif /* !GSSAPI_KRB5 */ |