diff options
Diffstat (limited to 'zebra/if_ioctl_solaris.c')
| -rw-r--r-- | zebra/if_ioctl_solaris.c | 353 |
1 files changed, 0 insertions, 353 deletions
diff --git a/zebra/if_ioctl_solaris.c b/zebra/if_ioctl_solaris.c deleted file mode 100644 index 2a2504ebf8..0000000000 --- a/zebra/if_ioctl_solaris.c +++ /dev/null @@ -1,353 +0,0 @@ -/* - * Interface looking up by ioctl () on Solaris. - * Copyright (C) 1997, 98 Kunihiro Ishiguro - * - * This file is part of GNU Zebra. - * - * GNU Zebra is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * GNU Zebra is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; see the file COPYING; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <zebra.h> - -#ifdef SUNOS_5 - -#include "if.h" -#include "sockunion.h" -#include "prefix.h" -#include "ioctl.h" -#include "connected.h" -#include "memory.h" -#include "zebra_memory.h" -#include "log.h" -#include "privs.h" -#include "vrf.h" -#include "vty.h" -#include "lib_errors.h" - -#include "zebra/interface.h" -#include "zebra/ioctl_solaris.h" -#include "zebra/rib.h" -#include "zebra/rt.h" -#include "zebra/zebra_errors.h" - -static int if_get_addr(struct interface *, struct sockaddr *, const char *); -static void interface_info_ioctl(struct interface *); -extern struct zebra_privs_t zserv_privs; - -static int interface_list_ioctl(int af) -{ - int ret; - int sock; -#define IFNUM_BASE 32 - struct lifnum lifn; - int ifnum; - struct lifreq *lifreq; - struct lifconf lifconf; - struct interface *ifp; - int n; - size_t needed, lastneeded = 0; - char *buf = NULL; - - frr_with_privs(&zserv_privs) { - sock = socket(af, SOCK_DGRAM, 0); - } - - if (sock < 0) { - flog_err_sys(EC_LIB_SOCKET, "Can't make %s socket stream: %s", - (af == AF_INET ? "AF_INET" : "AF_INET6"), - safe_strerror(errno)); - return -1; - } - -calculate_lifc_len: - frr_with_privs(&zserv_privs) { - lifn.lifn_family = af; - lifn.lifn_flags = LIFC_NOXMIT; - /* we want NOXMIT interfaces too */ - ret = ioctl(sock, SIOCGLIFNUM, &lifn); - } - - if (ret < 0) { - flog_err_sys(EC_LIB_SYSTEM_CALL, - "interface_list_ioctl: SIOCGLIFNUM failed %s", - safe_strerror(errno)); - close(sock); - return -1; - } - ifnum = lifn.lifn_count; - - /* - * When calculating the buffer size needed, add a small number - * of interfaces to those we counted. We do this to capture - * the interface status of potential interfaces which may have - * been plumbed between the SIOCGLIFNUM and the SIOCGLIFCONF. - */ - needed = (ifnum + 4) * sizeof(struct lifreq); - if (needed > lastneeded || needed < lastneeded / 2) { - if (buf != NULL) - XFREE(MTYPE_TMP, buf); - buf = XMALLOC(MTYPE_TMP, needed); - } - lastneeded = needed; - - lifconf.lifc_family = af; - lifconf.lifc_flags = LIFC_NOXMIT; - lifconf.lifc_len = needed; - lifconf.lifc_buf = buf; - - frr_with_privs(&zserv_privs) { - ret = ioctl(sock, SIOCGLIFCONF, &lifconf); - } - - if (ret < 0) { - if (errno == EINVAL) - goto calculate_lifc_len; - - flog_err_sys(EC_LIB_SYSTEM_CALL, "SIOCGLIFCONF: %s", - safe_strerror(errno)); - goto end; - } - - /* Allocate interface. */ - lifreq = lifconf.lifc_req; - - for (n = 0; n < lifconf.lifc_len; n += sizeof(struct lifreq)) { - /* we treat Solaris logical interfaces as addresses, because - * that is - * how PF_ROUTE on Solaris treats them. Hence we can not - * directly use - * the lifreq_name to get the ifp. We need to normalise the - * name - * before attempting get. - * - * Solaris logical interface names are in the form of: - * <interface name>:<logical interface id> - */ - unsigned int normallen = 0; - uint64_t lifflags; - - /* We should exclude ~IFF_UP interfaces, as we'll find out about - * them - * coming up later through RTM_NEWADDR message on the route - * socket. - */ - if (if_get_flags_direct(lifreq->lifr_name, &lifflags, - lifreq->lifr_addr.ss_family) - || !CHECK_FLAG(lifflags, IFF_UP)) { - lifreq++; - continue; - } - - /* Find the normalised name */ - while ((normallen < sizeof(lifreq->lifr_name)) - && (*(lifreq->lifr_name + normallen) != '\0') - && (*(lifreq->lifr_name + normallen) != ':')) - normallen++; - - ifp = if_get_by_name(lifreq->lifr_name, VRF_DEFAULT); - - if (lifreq->lifr_addr.ss_family == AF_INET) - ifp->flags |= IFF_IPV4; - - if (lifreq->lifr_addr.ss_family == AF_INET6) { - ifp->flags |= IFF_IPV6; - } - - if_add_update(ifp); - - interface_info_ioctl(ifp); - - /* If a logical interface pass the full name so it can be - * as a label on the address - */ - if (*(lifreq->lifr_name + normallen) != '\0') - if_get_addr(ifp, (struct sockaddr *)&lifreq->lifr_addr, - lifreq->lifr_name); - else - if_get_addr(ifp, (struct sockaddr *)&lifreq->lifr_addr, - NULL); - - /* Poke the interface flags. Lets IFF_UP mangling kick in */ - if_flags_update(ifp, ifp->flags); - - lifreq++; - } - -end: - close(sock); - XFREE(MTYPE_TMP, lifconf.lifc_buf); - return ret; -} - -/* Get interface's index by ioctl. */ -static int if_get_index(struct interface *ifp) -{ - int ret; - struct lifreq lifreq; - - lifreq_set_name(&lifreq, ifp->name); - - if (ifp->flags & IFF_IPV4) - ret = AF_IOCTL(AF_INET, SIOCGLIFINDEX, (caddr_t)&lifreq); - else if (ifp->flags & IFF_IPV6) - ret = AF_IOCTL(AF_INET6, SIOCGLIFINDEX, (caddr_t)&lifreq); - else - ret = -1; - - if (ret < 0) { - flog_err_sys(EC_LIB_SYSTEM_CALL, "SIOCGLIFINDEX(%s) failed", - ifp->name); - return ret; - } - -/* OK we got interface index. */ -#ifdef ifr_ifindex - if_set_index(ifp, lifreq.lifr_ifindex); -#else - if_set_index(ifp, lifreq.lifr_index); -#endif - return ifp->ifindex; -} - - -/* Interface address lookup by ioctl. This function only looks up - IPv4 address. */ -#define ADDRLEN(sa) \ - (((sa)->sa_family == AF_INET ? sizeof(struct sockaddr_in) \ - : sizeof(struct sockaddr_in6))) - -#define SIN(s) ((struct sockaddr_in *)(s)) -#define SIN6(s) ((struct sockaddr_in6 *)(s)) - -/* Retrieve address information for the given ifp */ -static int if_get_addr(struct interface *ifp, struct sockaddr *addr, - const char *label) -{ - int ret; - struct lifreq lifreq; - struct sockaddr_storage mask, dest; - char *dest_pnt = NULL; - uint8_t prefixlen = 0; - afi_t af; - int flags = 0; - - /* Interface's name and address family. - * We need to use the logical interface name / label, if we've been - * given one, in order to get the right address - */ - strlcpy(lifreq.lifr_name, (label ? label : ifp->name), - sizeof(lifreq.lifr_name)); - - /* Interface's address. */ - memcpy(&lifreq.lifr_addr, addr, ADDRLEN(addr)); - af = addr->sa_family; - - /* Point to point or broad cast address pointer init. */ - dest_pnt = NULL; - - if (AF_IOCTL(af, SIOCGLIFDSTADDR, (caddr_t)&lifreq) >= 0) { - memcpy(&dest, &lifreq.lifr_dstaddr, ADDRLEN(addr)); - if (af == AF_INET) - dest_pnt = (char *)&(SIN(&dest)->sin_addr); - else - dest_pnt = (char *)&(SIN6(&dest)->sin6_addr); - flags = ZEBRA_IFA_PEER; - } - - if (af == AF_INET) { - ret = if_ioctl(SIOCGLIFNETMASK, (caddr_t)&lifreq); - - if (ret < 0) { - if (errno != EADDRNOTAVAIL) { - flog_err_sys(EC_LIB_SYSTEM_CALL, - "SIOCGLIFNETMASK (%s) fail: %s", - ifp->name, safe_strerror(errno)); - return ret; - } - return 0; - } - memcpy(&mask, &lifreq.lifr_addr, ADDRLEN(addr)); - - prefixlen = ip_masklen(SIN(&mask)->sin_addr); - if (!dest_pnt - && (if_ioctl(SIOCGLIFBRDADDR, (caddr_t)&lifreq) >= 0)) { - memcpy(&dest, &lifreq.lifr_broadaddr, - sizeof(struct sockaddr_in)); - dest_pnt = (char *)&SIN(&dest)->sin_addr; - } - } else if (af == AF_INET6) { - if (if_ioctl_ipv6(SIOCGLIFSUBNET, (caddr_t)&lifreq) < 0) { - if (ifp->flags & IFF_POINTOPOINT) - prefixlen = IPV6_MAX_BITLEN; - else - flog_err_sys(EC_LIB_SYSTEM_CALL, - "SIOCGLIFSUBNET (%s) fail: %s", - ifp->name, safe_strerror(errno)); - } else { - prefixlen = lifreq.lifr_addrlen; - } - } - - /* Set address to the interface. */ - if (af == AF_INET) - connected_add_ipv4(ifp, flags, &SIN(addr)->sin_addr, prefixlen, - (struct in_addr *)dest_pnt, label, - METRIC_MAX); - else if (af == AF_INET6) - connected_add_ipv6(ifp, flags, &SIN6(addr)->sin6_addr, NULL, - prefixlen, label, METRIC_MAX); - - return 0; -} - -/* Fetch interface information via ioctl(). */ -static void interface_info_ioctl(struct interface *ifp) -{ - if_get_index(ifp); - if_get_flags(ifp); - if_get_mtu(ifp); - if_get_metric(ifp); -} - -/* Lookup all interface information. */ -void interface_list(struct zebra_ns *zns) -{ - if (zns->ns_id != NS_DEFAULT) { - zlog_debug("interface_list: ignore NS %u", zns->ns_id); - return; - } - interface_list_ioctl(AF_INET); - interface_list_ioctl(AF_INET6); - interface_list_ioctl(AF_UNSPEC); -} - -struct connected *if_lookup_linklocal(struct interface *ifp) -{ - struct listnode *node; - struct connected *ifc; - - if (ifp == NULL) - return NULL; - - for (ALL_LIST_ELEMENTS_RO(ifp->connected, node, ifc)) { - if ((ifc->address->family == AF_INET6) - && (IN6_IS_ADDR_LINKLOCAL(&ifc->address->u.prefix6))) - return ifc; - } - - return NULL; -} - -#endif /* SUNOS_5 */ |