./move.sh

1 files changed, 550 insertions, 0 deletions

diff --git a/src/grp-resolve/systemd-resolved/resolved-link-bus.c b/src/grp-resolve/systemd-resolved/resolved-link-bus.c
new file mode 100644
index 0000000000..7f21891819
--- /dev/null
+++ b/src/grp-resolve/systemd-resolved/resolved-link-bus.c
@@ -0,0 +1,550 @@
+/***
+  This file is part of systemd.
+
+  Copyright 2016 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd 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
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "alloc-util.h"
+#include "bus-util.h"
+#include "parse-util.h"
+#include "resolve-util.h"
+#include "resolved-bus.h"
+#include "resolved-link-bus.h"
+#include "strv.h"
+
+static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_resolve_support, resolve_support, ResolveSupport);
+static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_dnssec_mode, dnssec_mode, DnssecMode);
+
+static int property_get_dns(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        Link *l = userdata;
+        DnsServer *s;
+        int r;
+
+        assert(reply);
+        assert(l);
+
+        r = sd_bus_message_open_container(reply, 'a', "(iay)");
+        if (r < 0)
+                return r;
+
+        LIST_FOREACH(servers, s, l->dns_servers) {
+                r = bus_dns_server_append(reply, s, false);
+                if (r < 0)
+                        return r;
+        }
+
+        return sd_bus_message_close_container(reply);
+}
+
+static int property_get_domains(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        Link *l = userdata;
+        DnsSearchDomain *d;
+        int r;
+
+        assert(reply);
+        assert(l);
+
+        r = sd_bus_message_open_container(reply, 'a', "(sb)");
+        if (r < 0)
+                return r;
+
+        LIST_FOREACH(domains, d, l->search_domains) {
+                r = sd_bus_message_append(reply, "(sb)", d->name, d->route_only);
+                if (r < 0)
+                        return r;
+        }
+
+        return sd_bus_message_close_container(reply);
+}
+
+static int property_get_scopes_mask(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        Link *l = userdata;
+        uint64_t mask;
+
+        assert(reply);
+        assert(l);
+
+        mask =  (l->unicast_scope ? SD_RESOLVED_DNS : 0) |
+                (l->llmnr_ipv4_scope ? SD_RESOLVED_LLMNR_IPV4 : 0) |
+                (l->llmnr_ipv6_scope ? SD_RESOLVED_LLMNR_IPV6 : 0) |
+                (l->mdns_ipv4_scope ? SD_RESOLVED_MDNS_IPV4 : 0) |
+                (l->mdns_ipv6_scope ? SD_RESOLVED_MDNS_IPV6 : 0);
+
+        return sd_bus_message_append(reply, "t", mask);
+}
+
+static int property_get_ntas(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        Link *l = userdata;
+        const char *name;
+        Iterator i;
+        int r;
+
+        assert(reply);
+        assert(l);
+
+        r = sd_bus_message_open_container(reply, 'a', "s");
+        if (r < 0)
+                return r;
+
+        SET_FOREACH(name, l->dnssec_negative_trust_anchors, i) {
+                r = sd_bus_message_append(reply, "s", name);
+                if (r < 0)
+                        return r;
+        }
+
+        return sd_bus_message_close_container(reply);
+}
+
+static int property_get_dnssec_supported(
+                sd_bus *bus,
+                const char *path,
+                const char *interface,
+                const char *property,
+                sd_bus_message *reply,
+                void *userdata,
+                sd_bus_error *error) {
+
+        Link *l = userdata;
+
+        assert(reply);
+        assert(l);
+
+        return sd_bus_message_append(reply, "b", link_dnssec_supported(l));
+}
+
+int bus_link_method_set_dns_servers(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_free_ struct in_addr_data *dns = NULL;
+        size_t allocated = 0, n = 0;
+        Link *l = userdata;
+        unsigned i;
+        int r;
+
+        assert(message);
+        assert(l);
+
+        r = sd_bus_message_enter_container(message, 'a', "(iay)");
+        if (r < 0)
+                return r;
+
+        for (;;) {
+                int family;
+                size_t sz;
+                const void *d;
+
+                assert_cc(sizeof(int) == sizeof(int32_t));
+
+                r = sd_bus_message_enter_container(message, 'r', "iay");
+                if (r < 0)
+                        return r;
+                if (r == 0)
+                        break;
+
+                r = sd_bus_message_read(message, "i", &family);
+                if (r < 0)
+                        return r;
+
+                if (!IN_SET(family, AF_INET, AF_INET6))
+                        return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown address family %i", family);
+
+                r = sd_bus_message_read_array(message, 'y', &d, &sz);
+                if (r < 0)
+                        return r;
+                if (sz != FAMILY_ADDRESS_SIZE(family))
+                        return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid address size");
+
+                r = sd_bus_message_exit_container(message);
+                if (r < 0)
+                        return r;
+
+                if (!GREEDY_REALLOC(dns, allocated, n+1))
+                        return -ENOMEM;
+
+                dns[n].family = family;
+                memcpy(&dns[n].address, d, sz);
+                n++;
+        }
+
+        r = sd_bus_message_exit_container(message);
+        if (r < 0)
+                return r;
+
+        dns_server_mark_all(l->dns_servers);
+
+        for (i = 0; i < n; i++) {
+                DnsServer *s;
+
+                s = dns_server_find(l->dns_servers, dns[i].family, &dns[i].address);
+                if (s)
+                        dns_server_move_back_and_unmark(s);
+                else {
+                        r = dns_server_new(l->manager, NULL, DNS_SERVER_LINK, l, dns[i].family, &dns[i].address);
+                        if (r < 0)
+                                goto clear;
+                }
+
+        }
+
+        dns_server_unlink_marked(l->dns_servers);
+        link_allocate_scopes(l);
+
+        return sd_bus_reply_method_return(message, NULL);
+
+clear:
+        dns_server_unlink_all(l->dns_servers);
+        return r;
+}
+
+int bus_link_method_set_domains(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Link *l = userdata;
+        int r;
+
+        assert(message);
+        assert(l);
+
+        r = sd_bus_message_enter_container(message, 'a', "(sb)");
+        if (r < 0)
+                return r;
+
+        for (;;) {
+                const char *name;
+                int route_only;
+
+                r = sd_bus_message_read(message, "(sb)", &name, &route_only);
+                if (r < 0)
+                        return r;
+                if (r == 0)
+                        break;
+
+                r = dns_name_is_valid(name);
+                if (r < 0)
+                        return r;
+                if (r == 0)
+                        return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid search domain %s", name);
+                if (!route_only && dns_name_is_root(name))
+                        return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Root domain is not suitable as search domain");
+        }
+
+        dns_search_domain_mark_all(l->search_domains);
+
+        r = sd_bus_message_rewind(message, false);
+        if (r < 0)
+                return r;
+
+        for (;;) {
+                DnsSearchDomain *d;
+                const char *name;
+                int route_only;
+
+                r = sd_bus_message_read(message, "(sb)", &name, &route_only);
+                if (r < 0)
+                        goto clear;
+                if (r == 0)
+                        break;
+
+                r = dns_search_domain_find(l->search_domains, name, &d);
+                if (r < 0)
+                        goto clear;
+
+                if (r > 0)
+                        dns_search_domain_move_back_and_unmark(d);
+                else {
+                        r = dns_search_domain_new(l->manager, &d, DNS_SEARCH_DOMAIN_LINK, l, name);
+                        if (r < 0)
+                                goto clear;
+                }
+
+                d->route_only = route_only;
+        }
+
+        r = sd_bus_message_exit_container(message);
+        if (r < 0)
+                goto clear;
+
+        dns_search_domain_unlink_marked(l->search_domains);
+        return sd_bus_reply_method_return(message, NULL);
+
+clear:
+        dns_search_domain_unlink_all(l->search_domains);
+        return r;
+}
+
+int bus_link_method_set_llmnr(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Link *l = userdata;
+        ResolveSupport mode;
+        const char *llmnr;
+        int r;
+
+        assert(message);
+        assert(l);
+
+        r = sd_bus_message_read(message, "s", &llmnr);
+        if (r < 0)
+                return r;
+
+        if (isempty(llmnr))
+                mode = RESOLVE_SUPPORT_YES;
+        else {
+                mode = resolve_support_from_string(llmnr);
+                if (mode < 0)
+                        return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid LLMNR setting: %s", llmnr);
+        }
+
+        l->llmnr_support = mode;
+        link_allocate_scopes(l);
+        link_add_rrs(l, false);
+
+        return sd_bus_reply_method_return(message, NULL);
+}
+
+int bus_link_method_set_mdns(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Link *l = userdata;
+        ResolveSupport mode;
+        const char *mdns;
+        int r;
+
+        assert(message);
+        assert(l);
+
+        r = sd_bus_message_read(message, "s", &mdns);
+        if (r < 0)
+                return r;
+
+        if (isempty(mdns))
+                mode = RESOLVE_SUPPORT_NO;
+        else {
+                mode = resolve_support_from_string(mdns);
+                if (mode < 0)
+                        return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid MulticastDNS setting: %s", mdns);
+        }
+
+        l->mdns_support = mode;
+        link_allocate_scopes(l);
+        link_add_rrs(l, false);
+
+        return sd_bus_reply_method_return(message, NULL);
+}
+
+int bus_link_method_set_dnssec(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Link *l = userdata;
+        const char *dnssec;
+        DnssecMode mode;
+        int r;
+
+        assert(message);
+        assert(l);
+
+        r = sd_bus_message_read(message, "s", &dnssec);
+        if (r < 0)
+                return r;
+
+        if (isempty(dnssec))
+                mode = _DNSSEC_MODE_INVALID;
+        else {
+                mode = dnssec_mode_from_string(dnssec);
+                if (mode < 0)
+                        return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid DNSSEC setting: %s", dnssec);
+        }
+
+        link_set_dnssec_mode(l, mode);
+
+        return sd_bus_reply_method_return(message, NULL);
+}
+
+int bus_link_method_set_dnssec_negative_trust_anchors(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        _cleanup_set_free_free_ Set *ns = NULL;
+        _cleanup_free_ char **ntas = NULL;
+        Link *l = userdata;
+        int r;
+        char **i;
+
+        assert(message);
+        assert(l);
+
+        r = sd_bus_message_read_strv(message, &ntas);
+        if (r < 0)
+                return r;
+
+        STRV_FOREACH(i, ntas) {
+                r = dns_name_is_valid(*i);
+                if (r < 0)
+                        return r;
+                if (r == 0)
+                        return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid negative trust anchor domain: %s", *i);
+        }
+
+        ns = set_new(&dns_name_hash_ops);
+        if (!ns)
+                return -ENOMEM;
+
+        STRV_FOREACH(i, ntas) {
+                r = set_put_strdup(ns, *i);
+                if (r < 0)
+                        return r;
+        }
+
+        set_free_free(l->dnssec_negative_trust_anchors);
+        l->dnssec_negative_trust_anchors = ns;
+        ns = NULL;
+
+        return sd_bus_reply_method_return(message, NULL);
+}
+
+int bus_link_method_revert(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+        Link *l = userdata;
+
+        assert(message);
+        assert(l);
+
+        link_flush_settings(l);
+        link_allocate_scopes(l);
+        link_add_rrs(l, false);
+
+        return sd_bus_reply_method_return(message, NULL);
+}
+
+const sd_bus_vtable link_vtable[] = {
+        SD_BUS_VTABLE_START(0),
+
+        SD_BUS_PROPERTY("ScopesMask", "t", property_get_scopes_mask, 0, 0),
+        SD_BUS_PROPERTY("DNS", "a(iay)", property_get_dns, 0, 0),
+        SD_BUS_PROPERTY("Domains", "a(sb)", property_get_domains, 0, 0),
+        SD_BUS_PROPERTY("LLMNR", "s", property_get_resolve_support, offsetof(Link, llmnr_support), 0),
+        SD_BUS_PROPERTY("MulticastDNS", "s", property_get_resolve_support, offsetof(Link, mdns_support), 0),
+        SD_BUS_PROPERTY("DNSSEC", "s", property_get_dnssec_mode, offsetof(Link, dnssec_mode), 0),
+        SD_BUS_PROPERTY("DNSSECNegativeTrustAnchors", "as", property_get_ntas, 0, 0),
+        SD_BUS_PROPERTY("DNSSECSupported", "b", property_get_dnssec_supported, 0, 0),
+
+        SD_BUS_METHOD("SetDNS", "a(iay)", NULL, bus_link_method_set_dns_servers, 0),
+        SD_BUS_METHOD("SetDomains", "a(sb)", NULL, bus_link_method_set_domains, 0),
+        SD_BUS_METHOD("SetLLMNR", "s", NULL, bus_link_method_set_llmnr, 0),
+        SD_BUS_METHOD("SetMulticastDNS", "s", NULL, bus_link_method_set_mdns, 0),
+        SD_BUS_METHOD("SetDNSSEC", "s", NULL, bus_link_method_set_dnssec, 0),
+        SD_BUS_METHOD("SetDNSSECNegativeTrustAnchors", "as", NULL, bus_link_method_set_dnssec_negative_trust_anchors, 0),
+        SD_BUS_METHOD("Revert", NULL, NULL, bus_link_method_revert, 0),
+
+        SD_BUS_VTABLE_END
+};
+
+int link_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
+        _cleanup_free_ char *e = NULL;
+        Manager *m = userdata;
+        int ifindex;
+        Link *link;
+        int r;
+
+        assert(bus);
+        assert(path);
+        assert(interface);
+        assert(found);
+        assert(m);
+
+        r = sd_bus_path_decode(path, "/org/freedesktop/resolve1/link", &e);
+        if (r <= 0)
+                return 0;
+
+        r = parse_ifindex(e, &ifindex);
+        if (r < 0)
+                return 0;
+
+        link = hashmap_get(m->links, INT_TO_PTR(ifindex));
+        if (!link)
+                return 0;
+
+        *found = link;
+        return 1;
+}
+
+char *link_bus_path(Link *link) {
+        _cleanup_free_ char *ifindex = NULL;
+        char *p;
+        int r;
+
+        assert(link);
+
+        if (asprintf(&ifindex, "%i", link->ifindex) < 0)
+                return NULL;
+
+        r = sd_bus_path_encode("/org/freedesktop/resolve1/link", ifindex, &p);
+        if (r < 0)
+                return NULL;
+
+        return p;
+}
+
+int link_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {
+        _cleanup_strv_free_ char **l = NULL;
+        Manager *m = userdata;
+        Link *link;
+        Iterator i;
+        unsigned c = 0;
+
+        assert(bus);
+        assert(path);
+        assert(m);
+        assert(nodes);
+
+        l = new0(char*, hashmap_size(m->links) + 1);
+        if (!l)
+                return -ENOMEM;
+
+        HASHMAP_FOREACH(link, m->links, i) {
+                char *p;
+
+                p = link_bus_path(link);
+                if (!p)
+                        return -ENOMEM;
+
+                l[c++] = p;
+        }
+
+        l[c] = NULL;
+        *nodes = l;
+        l = NULL;
+
+        return 1;
+}