From 7daf5226b74e14a6e0f1a888b0be26f3d246f9f8 Mon Sep 17 00:00:00 2001 From: Martin Willi Date: Fri, 4 Sep 2009 13:46:09 +0200 Subject: removed trailing spaces ([[:space:]]+$) --- .../plugins/kernel_netlink/kernel_netlink_net.c | 186 ++++++++++----------- 1 file changed, 93 insertions(+), 93 deletions(-) (limited to 'src/charon/plugins/kernel_netlink/kernel_netlink_net.c') diff --git a/src/charon/plugins/kernel_netlink/kernel_netlink_net.c b/src/charon/plugins/kernel_netlink/kernel_netlink_net.c index 068860797..4b2a05f8f 100644 --- a/src/charon/plugins/kernel_netlink/kernel_netlink_net.c +++ b/src/charon/plugins/kernel_netlink/kernel_netlink_net.c @@ -48,16 +48,16 @@ typedef struct addr_entry_t addr_entry_t; * IP address in an inface_entry_t */ struct addr_entry_t { - + /** The ip address */ host_t *ip; - + /** virtual IP managed by us */ bool virtual; - + /** scope of the address */ u_char scope; - + /** Number of times this IP is used, if virtual */ u_int refcount; }; @@ -77,16 +77,16 @@ typedef struct iface_entry_t iface_entry_t; * A network interface on this system, containing addr_entry_t's */ struct iface_entry_t { - + /** interface index */ int ifindex; - + /** name of the interface */ char ifname[IFNAMSIZ]; - + /** interface flags, as in netdevice(7) SIOCGIFFLAGS */ u_int flags; - + /** list of addresses as host_t */ linked_list_t *addrs; }; @@ -110,57 +110,57 @@ struct private_kernel_netlink_net_t { * Public part of the kernel_netlink_net_t object. */ kernel_netlink_net_t public; - + /** * mutex to lock access to various lists */ mutex_t *mutex; - + /** * condition variable to signal virtual IP add/removal */ condvar_t *condvar; - + /** * Cached list of interfaces and its addresses (iface_entry_t) */ linked_list_t *ifaces; - + /** * job receiving netlink events */ callback_job_t *job; - + /** * netlink rt socket (routing) */ netlink_socket_t *socket; - + /** * Netlink rt socket to receive address change events */ int socket_events; - + /** * time of the last roam_job */ timeval_t last_roam; - + /** * routing table to install routes */ int routing_table; - + /** * priority of used routing table */ int routing_table_prio; - + /** * whether to react to RTM_NEWROUTE or RTM_DELROUTE events */ bool process_route; - + /** * whether to actually install virtual IPs */ @@ -176,7 +176,7 @@ static int get_vip_refcount(private_kernel_netlink_net_t *this, host_t* ip) iface_entry_t *iface; addr_entry_t *addr; int refcount = 0; - + ifaces = this->ifaces->create_iterator(this->ifaces, TRUE); while (ifaces->iterate(ifaces, (void**)&iface)) { @@ -197,7 +197,7 @@ static int get_vip_refcount(private_kernel_netlink_net_t *this, host_t* ip) } } ifaces->destroy(ifaces); - + return refcount; } @@ -208,7 +208,7 @@ static int get_vip_refcount(private_kernel_netlink_net_t *this, host_t* ip) static void fire_roam_job(private_kernel_netlink_net_t *this, bool address) { timeval_t now; - + time_monotonic(&now); if (timercmp(&now, &this->last_roam, >)) { @@ -237,7 +237,7 @@ static void process_link(private_kernel_netlink_net_t *this, iface_entry_t *current, *entry = NULL; char *name = NULL; bool update = FALSE; - + while(RTA_OK(rta, rtasize)) { switch (rta->rta_type) @@ -252,7 +252,7 @@ static void process_link(private_kernel_netlink_net_t *this, { name = "(unknown)"; } - + this->mutex->lock(this->mutex); switch (hdr->nlmsg_type) { @@ -305,7 +305,7 @@ static void process_link(private_kernel_netlink_net_t *this, { if (current->ifindex == msg->ifi_index) { - /* we do not remove it, as an address may be added to a + /* we do not remove it, as an address may be added to a * "down" interface and we wan't to know that. */ current->flags = msg->ifi_flags; break; @@ -316,7 +316,7 @@ static void process_link(private_kernel_netlink_net_t *this, } } this->mutex->unlock(this->mutex); - + /* send an update to all IKE_SAs */ if (update && event) { @@ -339,7 +339,7 @@ static void process_addr(private_kernel_netlink_net_t *this, addr_entry_t *addr; chunk_t local = chunk_empty, address = chunk_empty; bool update = FALSE, found = FALSE, changed = FALSE; - + while(RTA_OK(rta, rtasize)) { switch (rta->rta_type) @@ -355,7 +355,7 @@ static void process_addr(private_kernel_netlink_net_t *this, } rta = RTA_NEXT(rta, rtasize); } - + /* For PPP interfaces, we need the IFA_LOCAL address, * IFA_ADDRESS is the peers address. But IFA_LOCAL is * not included in all cases (IPv6?), so fallback to IFA_ADDRESS. */ @@ -367,12 +367,12 @@ static void process_addr(private_kernel_netlink_net_t *this, { host = host_create_from_chunk(msg->ifa_family, address, 0); } - + if (host == NULL) { /* bad family? */ return; } - + this->mutex->lock(this->mutex); ifaces = this->ifaces->create_enumerator(this->ifaces); while (ifaces->enumerate(ifaces, &iface)) @@ -403,7 +403,7 @@ static void process_addr(private_kernel_netlink_net_t *this, } } addrs->destroy(addrs); - + if (hdr->nlmsg_type == RTM_NEWADDR) { if (!found) @@ -415,7 +415,7 @@ static void process_addr(private_kernel_netlink_net_t *this, addr->virtual = FALSE; addr->refcount = 1; addr->scope = msg->ifa_scope; - + iface->addrs->insert_last(iface->addrs, addr); if (event) { @@ -433,7 +433,7 @@ static void process_addr(private_kernel_netlink_net_t *this, ifaces->destroy(ifaces); this->mutex->unlock(this->mutex); host->destroy(host); - + /* send an update to all IKE_SAs */ if (update && event && changed) { @@ -450,13 +450,13 @@ static void process_route(private_kernel_netlink_net_t *this, struct nlmsghdr *h struct rtattr *rta = RTM_RTA(msg); size_t rtasize = RTM_PAYLOAD(hdr); host_t *host = NULL; - + /* ignore routes added by us */ if (msg->rtm_table && msg->rtm_table == this->routing_table) { return; } - + while (RTA_OK(rta, rtasize)) { switch (rta->rta_type) @@ -491,11 +491,11 @@ static job_requeue_t receive_events(private_kernel_netlink_net_t *this) socklen_t addr_len = sizeof(addr); int len, oldstate; - pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, &oldstate); + pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, &oldstate); len = recvfrom(this->socket_events, response, sizeof(response), 0, (struct sockaddr*)&addr, &addr_len); pthread_setcancelstate(oldstate, NULL); - + if (len < 0) { switch (errno) @@ -512,12 +512,12 @@ static job_requeue_t receive_events(private_kernel_netlink_net_t *this) return JOB_REQUEUE_FAIR; } } - + if (addr.nl_pid != 0) { /* not from kernel. not interested, try another one */ return JOB_REQUEUE_DIRECT; } - + while (NLMSG_OK(hdr, len)) { /* looks good so far, dispatch netlink message */ @@ -553,7 +553,7 @@ typedef struct { private_kernel_netlink_net_t* this; /** whether to enumerate down interfaces */ bool include_down_ifaces; - /** whether to enumerate virtual ip addresses */ + /** whether to enumerate virtual ip addresses */ bool include_virtual_ips; } address_enumerator_t; @@ -615,7 +615,7 @@ static enumerator_t *create_address_enumerator(private_kernel_netlink_net_t *thi data->this = this; data->include_down_ifaces = include_down_ifaces; data->include_virtual_ips = include_virtual_ips; - + this->mutex->lock(this->mutex); return enumerator_create_nested( enumerator_create_filter(this->ifaces->create_enumerator(this->ifaces), @@ -632,9 +632,9 @@ static char *get_interface_name(private_kernel_netlink_net_t *this, host_t* ip) iface_entry_t *iface; addr_entry_t *addr; char *name = NULL; - + DBG2(DBG_KNL, "getting interface name for %H", ip); - + this->mutex->lock(this->mutex); ifaces = this->ifaces->create_enumerator(this->ifaces); while (ifaces->enumerate(ifaces, &iface)) @@ -656,7 +656,7 @@ static char *get_interface_name(private_kernel_netlink_net_t *this, host_t* ip) } ifaces->destroy(ifaces); this->mutex->unlock(this->mutex); - + if (name) { DBG2(DBG_KNL, "%H is on interface %s", ip, name); @@ -676,9 +676,9 @@ static int get_interface_index(private_kernel_netlink_net_t *this, char* name) enumerator_t *ifaces; iface_entry_t *iface; int ifindex = 0; - + DBG2(DBG_KNL, "getting iface index for %s", name); - + this->mutex->lock(this->mutex); ifaces = this->ifaces->create_enumerator(this->ifaces); while (ifaces->enumerate(ifaces, &iface)) @@ -708,7 +708,7 @@ static bool is_interface_up(private_kernel_netlink_net_t *this, int index) iface_entry_t *iface; /* default to TRUE for interface we do not monitor (e.g. lo) */ bool up = TRUE; - + ifaces = this->ifaces->create_enumerator(this->ifaces); while (ifaces->enumerate(ifaces, &iface)) { @@ -729,7 +729,7 @@ static bool addr_in_subnet(chunk_t addr, chunk_t net, int net_len) { static const u_char mask[] = { 0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe }; int byte = 0; - + if (net_len == 0) { /* any address matches a /0 network */ return TRUE; @@ -771,9 +771,9 @@ static host_t *get_route(private_kernel_netlink_net_t *this, host_t *dest, size_t len; int best = -1; host_t *src = NULL, *gtw = NULL; - + DBG2(DBG_KNL, "getting address to reach %H", dest); - + memset(&request, 0, sizeof(request)); hdr = (struct nlmsghdr*)request; @@ -790,7 +790,7 @@ static host_t *get_route(private_kernel_netlink_net_t *this, host_t *dest, } chunk = dest->get_address(dest); netlink_add_attribute(hdr, RTA_DST, chunk, sizeof(request)); - + if (this->socket->send(this->socket, hdr, &out, &len) != SUCCESS) { DBG1(DBG_KNL, "getting address to %H failed", dest); @@ -811,7 +811,7 @@ static host_t *get_route(private_kernel_netlink_net_t *this, host_t *dest, chunk_t rta_gtw, rta_src, rta_dst; u_int32_t rta_oif = 0; host_t *new_src, *new_gtw; - + rta_gtw = rta_src = rta_dst = chunk_empty; msg = (struct rtmsg*)(NLMSG_DATA(current)); rta = RTM_RTA(msg); @@ -855,7 +855,7 @@ static host_t *get_route(private_kernel_netlink_net_t *this, host_t *dest, { /* route destination does not contain dest */ goto next; } - + if (nexthop) { /* nexthop lookup, return gateway */ @@ -907,7 +907,7 @@ static host_t *get_route(private_kernel_netlink_net_t *this, host_t *dest, } free(out); this->mutex->unlock(this->mutex); - + if (nexthop) { if (gtw) @@ -947,23 +947,23 @@ static status_t manage_ipaddr(private_kernel_netlink_net_t *this, int nlmsg_type struct nlmsghdr *hdr; struct ifaddrmsg *msg; chunk_t chunk; - + memset(&request, 0, sizeof(request)); - + chunk = ip->get_address(ip); - + hdr = (struct nlmsghdr*)request; hdr->nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK | flags; - hdr->nlmsg_type = nlmsg_type; + hdr->nlmsg_type = nlmsg_type; hdr->nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg)); - + msg = (struct ifaddrmsg*)NLMSG_DATA(hdr); msg->ifa_family = ip->get_family(ip); msg->ifa_flags = 0; msg->ifa_prefixlen = 8 * chunk.len; msg->ifa_scope = RT_SCOPE_UNIVERSE; msg->ifa_index = if_index; - + netlink_add_attribute(hdr, IFA_LOCAL, chunk, sizeof(request)); return this->socket->send_ack(this->socket, hdr); @@ -972,27 +972,27 @@ static status_t manage_ipaddr(private_kernel_netlink_net_t *this, int nlmsg_type /** * Implementation of kernel_net_t.add_ip. */ -static status_t add_ip(private_kernel_netlink_net_t *this, +static status_t add_ip(private_kernel_netlink_net_t *this, host_t *virtual_ip, host_t *iface_ip) { iface_entry_t *iface; addr_entry_t *addr; enumerator_t *addrs, *ifaces; int ifindex; - + if (!this->install_virtual_ip) { /* disabled by config */ return SUCCESS; } - + DBG2(DBG_KNL, "adding virtual IP %H", virtual_ip); - + this->mutex->lock(this->mutex); ifaces = this->ifaces->create_enumerator(this->ifaces); while (ifaces->enumerate(ifaces, &iface)) { bool iface_found = FALSE; - + addrs = iface->addrs->create_enumerator(iface->addrs); while (addrs->enumerate(addrs, &addr)) { @@ -1012,7 +1012,7 @@ static status_t add_ip(private_kernel_netlink_net_t *this, } } addrs->destroy(addrs); - + if (iface_found) { ifindex = iface->ifindex; @@ -1022,7 +1022,7 @@ static status_t add_ip(private_kernel_netlink_net_t *this, addr->virtual = TRUE; addr->scope = RT_SCOPE_UNIVERSE; iface->addrs->insert_last(iface->addrs, addr); - + if (manage_ipaddr(this, RTM_NEWADDR, NLM_F_CREATE | NLM_F_EXCL, ifindex, virtual_ip) == SUCCESS) { @@ -1042,7 +1042,7 @@ static status_t add_ip(private_kernel_netlink_net_t *this, } ifaces->destroy(ifaces); this->mutex->unlock(this->mutex); - + DBG1(DBG_KNL, "interface address %H not found, unable to install" "virtual IP %H", iface_ip, virtual_ip); return FAILED; @@ -1058,14 +1058,14 @@ static status_t del_ip(private_kernel_netlink_net_t *this, host_t *virtual_ip) enumerator_t *addrs, *ifaces; status_t status; int ifindex; - + if (!this->install_virtual_ip) { /* disabled by config */ return SUCCESS; } - + DBG2(DBG_KNL, "deleting virtual IP %H", virtual_ip); - + this->mutex->lock(this->mutex); ifaces = this->ifaces->create_enumerator(this->ifaces); while (ifaces->enumerate(ifaces, &iface)) @@ -1108,7 +1108,7 @@ static status_t del_ip(private_kernel_netlink_net_t *this, host_t *virtual_ip) } ifaces->destroy(ifaces); this->mutex->unlock(this->mutex); - + DBG2(DBG_KNL, "virtual IP %H not cached, unable to delete", virtual_ip); return FAILED; } @@ -1135,11 +1135,11 @@ static status_t manage_srcroute(private_kernel_netlink_net_t *this, int nlmsg_ty chunk_t half_net; u_int8_t half_prefixlen; status_t status; - + half_net = chunk_alloca(dst_net.len); memset(half_net.ptr, 0, half_net.len); half_prefixlen = 1; - + status = manage_srcroute(this, nlmsg_type, flags, half_net, half_prefixlen, gateway, src_ip, if_name); half_net.ptr[0] |= 0x80; @@ -1147,7 +1147,7 @@ static status_t manage_srcroute(private_kernel_netlink_net_t *this, int nlmsg_ty gateway, src_ip, if_name); return status; } - + memset(&request, 0, sizeof(request)); hdr = (struct nlmsghdr*)request; @@ -1162,7 +1162,7 @@ static status_t manage_srcroute(private_kernel_netlink_net_t *this, int nlmsg_ty msg->rtm_protocol = RTPROT_STATIC; msg->rtm_type = RTN_UNICAST; msg->rtm_scope = RT_SCOPE_UNIVERSE; - + netlink_add_attribute(hdr, RTA_DST, dst_net, sizeof(request)); chunk = src_ip->get_address(src_ip); netlink_add_attribute(hdr, RTA_PREFSRC, chunk, sizeof(request)); @@ -1185,7 +1185,7 @@ static status_t add_route(private_kernel_netlink_net_t *this, chunk_t dst_net, return manage_srcroute(this, RTM_NEWROUTE, NLM_F_CREATE | NLM_F_EXCL, dst_net, prefixlen, gateway, src_ip, if_name); } - + /** * Implementation of kernel_net_t.del_route. */ @@ -1208,9 +1208,9 @@ static status_t init_address_list(private_kernel_netlink_net_t *this) enumerator_t *ifaces, *addrs; iface_entry_t *iface; addr_entry_t *addr; - + DBG1(DBG_KNL, "listening on interfaces:"); - + memset(&request, 0, sizeof(request)); in = (struct nlmsghdr*)&request; @@ -1218,7 +1218,7 @@ static status_t init_address_list(private_kernel_netlink_net_t *this) in->nlmsg_flags = NLM_F_REQUEST | NLM_F_MATCH | NLM_F_ROOT; msg = (struct rtgenmsg*)NLMSG_DATA(in); msg->rtgen_family = AF_UNSPEC; - + /* get all links */ in->nlmsg_type = RTM_GETLINK; if (this->socket->send(this->socket, in, &out, &len) != SUCCESS) @@ -1242,7 +1242,7 @@ static status_t init_address_list(private_kernel_netlink_net_t *this) break; } free(out); - + /* get all interface addresses */ in->nlmsg_type = RTM_GETADDR; if (this->socket->send(this->socket, in, &out, &len) != SUCCESS) @@ -1266,7 +1266,7 @@ static status_t init_address_list(private_kernel_netlink_net_t *this) break; } free(out); - + this->mutex->lock(this->mutex); ifaces = this->ifaces->create_enumerator(this->ifaces); while (ifaces->enumerate(ifaces, &iface)) @@ -1298,10 +1298,10 @@ static status_t manage_rule(private_kernel_netlink_net_t *this, int nlmsg_type, struct rtmsg *msg; chunk_t chunk; - memset(&request, 0, sizeof(request)); + memset(&request, 0, sizeof(request)); hdr = (struct nlmsghdr*)request; hdr->nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK; - hdr->nlmsg_type = nlmsg_type; + hdr->nlmsg_type = nlmsg_type; if (nlmsg_type == RTM_NEWRULE) { hdr->nlmsg_flags |= NLM_F_CREATE | NLM_F_EXCL; @@ -1348,7 +1348,7 @@ kernel_netlink_net_t *kernel_netlink_net_create() { private_kernel_netlink_net_t *this = malloc_thing(private_kernel_netlink_net_t); struct sockaddr_nl addr; - + /* public functions */ this->public.interface.get_interface = (char*(*)(kernel_net_t*,host_t*))get_interface_name; this->public.interface.create_address_enumerator = (enumerator_t*(*)(kernel_net_t*,bool,bool))create_address_enumerator; @@ -1373,34 +1373,34 @@ kernel_netlink_net_t *kernel_netlink_net_create() "charon.process_route", TRUE); this->install_virtual_ip = lib->settings->get_bool(lib->settings, "charon.install_virtual_ip", TRUE); - + this->socket = netlink_socket_create(NETLINK_ROUTE); - + memset(&addr, 0, sizeof(addr)); addr.nl_family = AF_NETLINK; - + /* create and bind RT socket for events (address/interface/route changes) */ this->socket_events = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE); if (this->socket_events <= 0) { charon->kill(charon, "unable to create RT event socket"); } - addr.nl_groups = RTMGRP_IPV4_IFADDR | RTMGRP_IPV6_IFADDR | + addr.nl_groups = RTMGRP_IPV4_IFADDR | RTMGRP_IPV6_IFADDR | RTMGRP_IPV4_ROUTE | RTMGRP_IPV4_ROUTE | RTMGRP_LINK; if (bind(this->socket_events, (struct sockaddr*)&addr, sizeof(addr))) { charon->kill(charon, "unable to bind RT event socket"); } - + this->job = callback_job_create((callback_job_cb_t)receive_events, this, NULL, NULL); charon->processor->queue_job(charon->processor, (job_t*)this->job); - + if (init_address_list(this) != SUCCESS) { charon->kill(charon, "unable to get interface list"); } - + if (this->routing_table) { if (manage_rule(this, RTM_NEWRULE, this->routing_table, @@ -1409,6 +1409,6 @@ kernel_netlink_net_t *kernel_netlink_net_create() DBG1(DBG_KNL, "unable to create routing table rule"); } } - + return &this->public; } -- cgit v1.2.3