X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fnetwork%2Fnetworkd-manager.c;h=46b803fee5d82a907e8bf2c9c85e9cfde44ee694;hp=2a0d5342daeb4672f84bc9aa3fda69e71d0cc2ea;hb=5d8e593dce074bff966fc0a46579c61b4f3bc33a;hpb=85b5673b337048fa881a5afb1d00d1a7b95950fb diff --git a/src/network/networkd-manager.c b/src/network/networkd-manager.c index 2a0d5342d..46b803fee 100644 --- a/src/network/networkd-manager.c +++ b/src/network/networkd-manager.c @@ -43,32 +43,27 @@ const char* const network_dirs[] = { #endif NULL}; -static int dispatch_sigterm(sd_event_source *es, const struct signalfd_siginfo *si, void *userdata) { - Manager *m = userdata; +static int setup_default_address_pool(Manager *m) { + AddressPool *p; + int r; assert(m); - log_received_signal(LOG_INFO, si); - - sd_event_exit(m->event, 0); - return 0; -} + /* Add in the well-known private address ranges. */ -static int setup_signals(Manager *m) { - sigset_t mask; - int r; - - assert(m); + r = address_pool_new_from_string(m, &p, AF_INET6, "fc00::", 7); + if (r < 0) + return r; - assert_se(sigemptyset(&mask) == 0); - sigset_add_many(&mask, SIGINT, SIGTERM, -1); - assert_se(sigprocmask(SIG_SETMASK, &mask, NULL) == 0); + r = address_pool_new_from_string(m, &p, AF_INET, "192.168.0.0", 16); + if (r < 0) + return r; - r = sd_event_add_signal(m->event, &m->sigterm_event_source, SIGTERM, dispatch_sigterm, m); + r = address_pool_new_from_string(m, &p, AF_INET, "172.16.0.0", 12); if (r < 0) return r; - r = sd_event_add_signal(m->event, &m->sigint_event_source, SIGINT, dispatch_sigterm, m); + r = address_pool_new_from_string(m, &p, AF_INET, "10.0.0.0", 8); if (r < 0) return r; @@ -93,6 +88,9 @@ int manager_new(Manager **ret) { sd_event_set_watchdog(m->event, true); + sd_event_add_signal(m->event, NULL, SIGTERM, NULL, NULL); + sd_event_add_signal(m->event, NULL, SIGINT, NULL, NULL); + r = sd_rtnl_open(&m->rtnl, 3, RTNLGRP_LINK, RTNLGRP_IPV4_IFADDR, RTNLGRP_IPV6_IFADDR); if (r < 0) @@ -102,10 +100,6 @@ int manager_new(Manager **ret) { if (r < 0 && r != -ENOENT) /* TODO: drop when we can rely on kdbus */ return r; - r = setup_signals(m); - if (r < 0) - return r; - /* udev does not initialize devices inside containers, * so we rely on them being already initialized before * entering the container */ @@ -129,6 +123,10 @@ int manager_new(Manager **ret) { LIST_HEAD_INIT(m->networks); + r = setup_default_address_pool(m); + if (r < 0) + return r; + *ret = m; m = NULL; @@ -139,6 +137,7 @@ void manager_free(Manager *m) { Network *network; NetDev *netdev; Link *link; + AddressPool *pool; if (!m) return; @@ -164,6 +163,9 @@ void manager_free(Manager *m) { netdev_unref(netdev); hashmap_free(m->netdevs); + while ((pool = m->address_pools)) + address_pool_free(pool); + sd_rtnl_unref(m->rtnl); free(m); @@ -257,7 +259,8 @@ static int manager_rtnl_process_link(sd_rtnl *rtnl, sd_rtnl_message *message, vo /* link is new, so add it */ r = link_add(m, message, &link); if (r < 0) { - log_debug("could not add new link"); + log_debug("could not add new link: %s", + strerror(-r)); return 0; } } @@ -375,6 +378,8 @@ int manager_udev_listen(Manager *m) { int manager_rtnl_listen(Manager *m) { int r; + assert(m); + r = sd_rtnl_attach_event(m->rtnl, m->event, 0); if (r < 0) return r; @@ -460,3 +465,23 @@ finish: return r; } + +int manager_address_pool_acquire(Manager *m, unsigned family, unsigned prefixlen, union in_addr_union *found) { + AddressPool *p; + int r; + + assert(m); + assert(prefixlen > 0); + assert(found); + + LIST_FOREACH(address_pools, p, m->address_pools) { + if (p->family != family) + continue; + + r = address_pool_acquire(p, prefixlen, found); + if (r != 0) + return r; + } + + return 0; +}