From aa2e4b623cdc1d9d2b44a103d24ecb7e0c984de9 Mon Sep 17 00:00:00 2001 From: des Date: Mon, 30 Sep 2013 17:23:45 +0000 Subject: Remove BIND. Approved by: re (gjb) --- contrib/bind9/lib/isc/unix/ifiter_sysctl.c | 302 ----------------------------- 1 file changed, 302 deletions(-) delete mode 100644 contrib/bind9/lib/isc/unix/ifiter_sysctl.c (limited to 'contrib/bind9/lib/isc/unix/ifiter_sysctl.c') diff --git a/contrib/bind9/lib/isc/unix/ifiter_sysctl.c b/contrib/bind9/lib/isc/unix/ifiter_sysctl.c deleted file mode 100644 index 9d5bf6d..0000000 --- a/contrib/bind9/lib/isc/unix/ifiter_sysctl.c +++ /dev/null @@ -1,302 +0,0 @@ -/* - * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") - * Copyright (C) 1999-2003 Internet Software Consortium. - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH - * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY - * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, - * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM - * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE - * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - * PERFORMANCE OF THIS SOFTWARE. - */ - -/* $Id: ifiter_sysctl.c,v 1.25 2007/06/19 23:47:18 tbox Exp $ */ - -/*! \file - * \brief - * Obtain the list of network interfaces using sysctl. - * See TCP/IP Illustrated Volume 2, sections 19.8, 19.14, - * and 19.16. - */ - -#include -#include - -#include -#include - -/* XXX what about Alpha? */ -#ifdef sgi -#define ROUNDUP(a) ((a) > 0 ? \ - (1 + (((a) - 1) | (sizeof(__uint64_t) - 1))) : \ - sizeof(__uint64_t)) -#else -#define ROUNDUP(a) ((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) \ - : sizeof(long)) -#endif - -#define IFITER_MAGIC ISC_MAGIC('I', 'F', 'I', 'S') -#define VALID_IFITER(t) ISC_MAGIC_VALID(t, IFITER_MAGIC) - -struct isc_interfaceiter { - unsigned int magic; /* Magic number. */ - isc_mem_t *mctx; - void *buf; /* Buffer for sysctl data. */ - unsigned int bufsize; /* Bytes allocated. */ - unsigned int bufused; /* Bytes used. */ - unsigned int pos; /* Current offset in - sysctl data. */ - isc_interface_t current; /* Current interface data. */ - isc_result_t result; /* Last result code. */ -}; - -static int mib[6] = { - CTL_NET, - PF_ROUTE, - 0, - 0, /* Any address family. */ - NET_RT_IFLIST, - 0 /* Flags. */ -}; - -isc_result_t -isc_interfaceiter_create(isc_mem_t *mctx, isc_interfaceiter_t **iterp) { - isc_interfaceiter_t *iter; - isc_result_t result; - size_t bufsize; - size_t bufused; - char strbuf[ISC_STRERRORSIZE]; - - REQUIRE(mctx != NULL); - REQUIRE(iterp != NULL); - REQUIRE(*iterp == NULL); - - iter = isc_mem_get(mctx, sizeof(*iter)); - if (iter == NULL) - return (ISC_R_NOMEMORY); - - iter->mctx = mctx; - iter->buf = 0; - - /* - * Determine the amount of memory needed. - */ - bufsize = 0; - if (sysctl(mib, 6, NULL, &bufsize, NULL, (size_t) 0) < 0) { - isc__strerror(errno, strbuf, sizeof(strbuf)); - UNEXPECTED_ERROR(__FILE__, __LINE__, - isc_msgcat_get(isc_msgcat, - ISC_MSGSET_IFITERSYSCTL, - ISC_MSG_GETIFLISTSIZE, - "getting interface " - "list size: sysctl: %s"), - strbuf); - result = ISC_R_UNEXPECTED; - goto failure; - } - iter->bufsize = bufsize; - - iter->buf = isc_mem_get(iter->mctx, iter->bufsize); - if (iter->buf == NULL) { - result = ISC_R_NOMEMORY; - goto failure; - } - - bufused = bufsize; - if (sysctl(mib, 6, iter->buf, &bufused, NULL, (size_t) 0) < 0) { - isc__strerror(errno, strbuf, sizeof(strbuf)); - UNEXPECTED_ERROR(__FILE__, __LINE__, - isc_msgcat_get(isc_msgcat, - ISC_MSGSET_IFITERSYSCTL, - ISC_MSG_GETIFLIST, - "getting interface list: " - "sysctl: %s"), - strbuf); - result = ISC_R_UNEXPECTED; - goto failure; - } - iter->bufused = bufused; - INSIST(iter->bufused <= iter->bufsize); - - /* - * A newly created iterator has an undefined position - * until isc_interfaceiter_first() is called. - */ - iter->pos = (unsigned int) -1; - iter->result = ISC_R_FAILURE; - - iter->magic = IFITER_MAGIC; - *iterp = iter; - return (ISC_R_SUCCESS); - - failure: - if (iter->buf != NULL) - isc_mem_put(mctx, iter->buf, iter->bufsize); - isc_mem_put(mctx, iter, sizeof(*iter)); - return (result); -} - -/* - * Get information about the current interface to iter->current. - * If successful, return ISC_R_SUCCESS. - * If the interface has an unsupported address family, - * return ISC_R_IGNORE. In case of other failure, - * return ISC_R_UNEXPECTED. - */ - -static isc_result_t -internal_current(isc_interfaceiter_t *iter) { - struct ifa_msghdr *ifam, *ifam_end; - - REQUIRE(VALID_IFITER(iter)); - REQUIRE (iter->pos < (unsigned int) iter->bufused); - - ifam = (struct ifa_msghdr *) ((char *) iter->buf + iter->pos); - ifam_end = (struct ifa_msghdr *) ((char *) iter->buf + iter->bufused); - - if (ifam->ifam_type == RTM_IFINFO) { - struct if_msghdr *ifm = (struct if_msghdr *) ifam; - struct sockaddr_dl *sdl = (struct sockaddr_dl *) (ifm + 1); - unsigned int namelen; - - memset(&iter->current, 0, sizeof(iter->current)); - - namelen = sdl->sdl_nlen; - if (namelen > sizeof(iter->current.name) - 1) - namelen = sizeof(iter->current.name) - 1; - - memset(iter->current.name, 0, sizeof(iter->current.name)); - memcpy(iter->current.name, sdl->sdl_data, namelen); - - iter->current.flags = 0; - - if ((ifam->ifam_flags & IFF_UP) != 0) - iter->current.flags |= INTERFACE_F_UP; - - if ((ifam->ifam_flags & IFF_POINTOPOINT) != 0) - iter->current.flags |= INTERFACE_F_POINTTOPOINT; - - if ((ifam->ifam_flags & IFF_LOOPBACK) != 0) - iter->current.flags |= INTERFACE_F_LOOPBACK; - - /* - * This is not an interface address. - * Force another iteration. - */ - return (ISC_R_IGNORE); - } else if (ifam->ifam_type == RTM_NEWADDR) { - int i; - int family; - struct sockaddr *mask_sa = NULL; - struct sockaddr *addr_sa = NULL; - struct sockaddr *dst_sa = NULL; - - struct sockaddr *sa = (struct sockaddr *)(ifam + 1); - family = sa->sa_family; - - for (i = 0; i < RTAX_MAX; i++) - { - if ((ifam->ifam_addrs & (1 << i)) == 0) - continue; - - INSIST(sa < (struct sockaddr *) ifam_end); - - switch (i) { - case RTAX_NETMASK: /* Netmask */ - mask_sa = sa; - break; - case RTAX_IFA: /* Interface address */ - addr_sa = sa; - break; - case RTAX_BRD: /* Broadcast or destination address */ - dst_sa = sa; - break; - } -#ifdef ISC_PLATFORM_HAVESALEN - sa = (struct sockaddr *)((char*)(sa) - + ROUNDUP(sa->sa_len)); -#else -#ifdef sgi - /* - * Do as the contributed SGI code does. - */ - sa = (struct sockaddr *)((char*)(sa) - + ROUNDUP(_FAKE_SA_LEN_DST(sa))); -#else - /* XXX untested. */ - sa = (struct sockaddr *)((char*)(sa) - + ROUNDUP(sizeof(struct sockaddr))); -#endif -#endif - } - - if (addr_sa == NULL) - return (ISC_R_IGNORE); - - family = addr_sa->sa_family; - if (family != AF_INET && family != AF_INET6) - return (ISC_R_IGNORE); - - iter->current.af = family; - - get_addr(family, &iter->current.address, addr_sa, - iter->current.name); - - if (mask_sa != NULL) - get_addr(family, &iter->current.netmask, mask_sa, - iter->current.name); - - if (dst_sa != NULL && - (iter->current.flags & INTERFACE_F_POINTTOPOINT) != 0) - get_addr(family, &iter->current.dstaddress, dst_sa, - iter->current.name); - - return (ISC_R_SUCCESS); - } else { - printf(isc_msgcat_get(isc_msgcat, ISC_MSGSET_IFITERSYSCTL, - ISC_MSG_UNEXPECTEDTYPE, - "warning: unexpected interface list " - "message type\n")); - return (ISC_R_IGNORE); - } -} - -/* - * Step the iterator to the next interface. Unlike - * isc_interfaceiter_next(), this may leave the iterator - * positioned on an interface that will ultimately - * be ignored. Return ISC_R_NOMORE if there are no more - * interfaces, otherwise ISC_R_SUCCESS. - */ -static isc_result_t -internal_next(isc_interfaceiter_t *iter) { - struct ifa_msghdr *ifam; - REQUIRE (iter->pos < (unsigned int) iter->bufused); - - ifam = (struct ifa_msghdr *) ((char *) iter->buf + iter->pos); - - iter->pos += ifam->ifam_msglen; - - if (iter->pos >= iter->bufused) - return (ISC_R_NOMORE); - - return (ISC_R_SUCCESS); -} - -static void -internal_destroy(isc_interfaceiter_t *iter) { - UNUSED(iter); /* Unused. */ - /* - * Do nothing. - */ -} - -static -void internal_first(isc_interfaceiter_t *iter) { - iter->pos = 0; -} -- cgit v1.1