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Diffstat (limited to 'src/resolve/resolved-bus.c')
-rw-r--r--src/resolve/resolved-bus.c183
1 files changed, 150 insertions, 33 deletions
diff --git a/src/resolve/resolved-bus.c b/src/resolve/resolved-bus.c
index 1908cae2b7..62bb08a2e8 100644
--- a/src/resolve/resolved-bus.c
+++ b/src/resolve/resolved-bus.c
@@ -38,7 +38,7 @@ static int reply_query_state(DnsQuery *q) {
name = ip;
} else
- name = dns_question_name(q->question);
+ name = dns_question_first_name(q->question);
switch (q->state) {
@@ -145,7 +145,7 @@ static void bus_method_resolve_hostname_complete(DnsQuery *q) {
r = dns_query_process_cname(q);
if (r == -ELOOP) {
- r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_CNAME_LOOP, "CNAME loop detected, or CNAME resolving disabled on '%s'", dns_question_name(q->question));
+ r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_CNAME_LOOP, "CNAME loop detected, or CNAME resolving disabled on '%s'", dns_question_first_name(q->question));
goto finish;
}
if (r < 0)
@@ -166,7 +166,7 @@ static void bus_method_resolve_hostname_complete(DnsQuery *q) {
int ifindex;
DNS_ANSWER_FOREACH_IFINDEX(rr, ifindex, q->answer) {
- r = dns_question_matches_rr(q->question, rr);
+ r = dns_question_matches_rr(q->question, rr, DNS_SEARCH_DOMAIN_NAME(q->answer_search_domain));
if (r < 0)
goto finish;
if (r == 0)
@@ -184,7 +184,7 @@ static void bus_method_resolve_hostname_complete(DnsQuery *q) {
}
if (added <= 0) {
- r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_SUCH_RR, "'%s' does not have any RR of the requested type", dns_question_name(q->question));
+ r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_SUCH_RR, "'%s' does not have any RR of the requested type", dns_question_first_name(q->question));
goto finish;
}
@@ -254,7 +254,7 @@ static int bus_method_resolve_hostname(sd_bus_message *message, void *userdata,
if (r == 0)
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid hostname '%s'", hostname);
- r = check_ifindex_flags(ifindex, &flags, 0, error);
+ r = check_ifindex_flags(ifindex, &flags, SD_RESOLVED_NO_SEARCH, error);
if (r < 0)
return r;
@@ -298,7 +298,15 @@ static void bus_method_resolve_address_complete(DnsQuery *q) {
goto finish;
}
- /* We don't process CNAME for PTR lookups. */
+ r = dns_query_process_cname(q);
+ if (r == -ELOOP) {
+ r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_CNAME_LOOP, "CNAME loop detected, or CNAME resolving disabled on '%s'", dns_question_first_name(q->question));
+ goto finish;
+ }
+ if (r < 0)
+ goto finish;
+ if (r > 0) /* This was a cname, and the query was restarted. */
+ return;
r = sd_bus_message_new_method_return(q->request, &reply);
if (r < 0)
@@ -310,7 +318,7 @@ static void bus_method_resolve_address_complete(DnsQuery *q) {
if (q->answer) {
DNS_ANSWER_FOREACH_IFINDEX(rr, ifindex, q->answer) {
- r = dns_question_matches_rr(q->question, rr);
+ r = dns_question_matches_rr(q->question, rr, NULL);
if (r < 0)
goto finish;
if (r == 0)
@@ -392,7 +400,7 @@ static int bus_method_resolve_address(sd_bus_message *message, void *userdata, s
if (r < 0)
return r;
- r = dns_query_new(m, &q, question, ifindex, flags);
+ r = dns_query_new(m, &q, question, ifindex, flags|SD_RESOLVED_NO_SEARCH);
if (r < 0)
return r;
@@ -466,7 +474,7 @@ static void bus_method_resolve_record_complete(DnsQuery *q) {
r = dns_query_process_cname(q);
if (r == -ELOOP) {
- r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_CNAME_LOOP, "CNAME loop detected, or CNAME resolving disabled on '%s'", dns_question_name(q->question));
+ r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_CNAME_LOOP, "CNAME loop detected, or CNAME resolving disabled on '%s'", dns_question_first_name(q->question));
goto finish;
}
if (r < 0)
@@ -487,7 +495,7 @@ static void bus_method_resolve_record_complete(DnsQuery *q) {
int ifindex;
DNS_ANSWER_FOREACH_IFINDEX(rr, ifindex, q->answer) {
- r = dns_question_matches_rr(q->question, rr);
+ r = dns_question_matches_rr(q->question, rr, NULL);
if (r < 0)
goto finish;
if (r == 0)
@@ -502,7 +510,7 @@ static void bus_method_resolve_record_complete(DnsQuery *q) {
}
if (added <= 0) {
- r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_SUCH_RR, "Name '%s' does not have any RR of the requested type", dns_question_name(q->question));
+ r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_SUCH_RR, "Name '%s' does not have any RR of the requested type", dns_question_first_name(q->question));
goto finish;
}
@@ -566,7 +574,7 @@ static int bus_method_resolve_record(sd_bus_message *message, void *userdata, sd
if (r < 0)
return r;
- r = dns_query_new(m, &q, question, ifindex, flags);
+ r = dns_query_new(m, &q, question, ifindex, flags|SD_RESOLVED_NO_SEARCH);
if (r < 0)
return r;
@@ -612,7 +620,7 @@ static int append_srv(DnsQuery *q, sd_bus_message *reply, DnsResourceRecord *rr)
if (aux->auxiliary_result != 0)
continue;
- r = dns_name_equal(dns_question_name(aux->question), rr->srv.name);
+ r = dns_name_equal(dns_question_first_name(aux->question), rr->srv.name);
if (r < 0)
return r;
if (r == 0)
@@ -620,7 +628,7 @@ static int append_srv(DnsQuery *q, sd_bus_message *reply, DnsResourceRecord *rr)
DNS_ANSWER_FOREACH(zz, aux->answer) {
- r = dns_question_matches_rr(aux->question, zz);
+ r = dns_question_matches_rr(aux->question, zz, NULL);
if (r < 0)
return r;
if (r == 0)
@@ -664,7 +672,7 @@ static int append_srv(DnsQuery *q, sd_bus_message *reply, DnsResourceRecord *rr)
if (aux->auxiliary_result != 0)
continue;
- r = dns_name_equal(dns_question_name(aux->question), rr->srv.name);
+ r = dns_name_equal(dns_question_first_name(aux->question), rr->srv.name);
if (r < 0)
return r;
if (r == 0)
@@ -672,7 +680,7 @@ static int append_srv(DnsQuery *q, sd_bus_message *reply, DnsResourceRecord *rr)
DNS_ANSWER_FOREACH_IFINDEX(zz, ifindex, aux->answer) {
- r = dns_question_matches_rr(aux->question, zz);
+ r = dns_question_matches_rr(aux->question, zz, NULL);
if (r < 0)
return r;
if (r == 0)
@@ -773,7 +781,7 @@ static void resolve_service_all_complete(DnsQuery *q) {
assert(bad->auxiliary_result != 0);
if (bad->auxiliary_result == -ELOOP) {
- r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_CNAME_LOOP, "CNAME loop detected, or CNAME resolving disabled on '%s'", dns_question_name(bad->question));
+ r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_CNAME_LOOP, "CNAME loop detected, or CNAME resolving disabled on '%s'", dns_question_first_name(bad->question));
goto finish;
}
@@ -798,7 +806,7 @@ static void resolve_service_all_complete(DnsQuery *q) {
DnsResourceRecord *rr;
DNS_ANSWER_FOREACH(rr, q->answer) {
- r = dns_question_matches_rr(q->question, rr);
+ r = dns_question_matches_rr(q->question, rr, NULL);
if (r < 0)
goto finish;
if (r == 0)
@@ -818,7 +826,7 @@ static void resolve_service_all_complete(DnsQuery *q) {
}
if (added <= 0) {
- r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_SUCH_RR, "'%s' does not have any RR of the requested type", dns_question_name(q->question));
+ r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_SUCH_RR, "'%s' does not have any RR of the requested type", dns_question_first_name(q->question));
goto finish;
}
@@ -834,7 +842,7 @@ static void resolve_service_all_complete(DnsQuery *q) {
DnsResourceRecord *rr;
DNS_ANSWER_FOREACH(rr, q->answer) {
- r = dns_question_matches_rr(q->question, rr);
+ r = dns_question_matches_rr(q->question, rr, NULL);
if (r < 0)
goto finish;
if (r == 0)
@@ -911,7 +919,7 @@ static int resolve_service_hostname(DnsQuery *q, DnsResourceRecord *rr, int ifin
if (r < 0)
return r;
- r = dns_query_new(q->manager, &aux, question, ifindex, q->flags);
+ r = dns_query_new(q->manager, &aux, question, ifindex, q->flags|SD_RESOLVED_NO_SEARCH);
if (r < 0)
return r;
@@ -957,7 +965,7 @@ static void bus_method_resolve_service_complete(DnsQuery *q) {
r = dns_query_process_cname(q);
if (r == -ELOOP) {
- r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_CNAME_LOOP, "CNAME loop detected, or CNAME resolving disabled on '%s'", dns_question_name(q->question));
+ r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_CNAME_LOOP, "CNAME loop detected, or CNAME resolving disabled on '%s'", dns_question_first_name(q->question));
goto finish;
}
if (r < 0)
@@ -970,7 +978,7 @@ static void bus_method_resolve_service_complete(DnsQuery *q) {
int ifindex;
DNS_ANSWER_FOREACH_IFINDEX(rr, ifindex, q->answer) {
- r = dns_question_matches_rr(q->question, rr);
+ r = dns_question_matches_rr(q->question, rr, NULL);
if (r < 0)
goto finish;
if (r == 0)
@@ -993,7 +1001,7 @@ static void bus_method_resolve_service_complete(DnsQuery *q) {
}
if (found <= 0) {
- r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_SUCH_RR, "'%s' does not have any RR of the requested type", dns_question_name(q->question));
+ r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_SUCH_RR, "'%s' does not have any RR of the requested type", dns_question_first_name(q->question));
goto finish;
}
@@ -1011,7 +1019,6 @@ finish:
}
static int bus_method_resolve_service(sd_bus_message *message, void *userdata, sd_bus_error *error) {
- _cleanup_(dns_resource_key_unrefp) DnsResourceKey *key = NULL;
_cleanup_(dns_question_unrefp) DnsQuestion *question = NULL;
const char *name, *type, *domain, *joined;
_cleanup_free_ char *n = NULL;
@@ -1042,13 +1049,8 @@ static int bus_method_resolve_service(sd_bus_message *message, void *userdata, s
if (isempty(type))
type = NULL;
- else {
- r = dns_srv_type_verify(type);
- if (r < 0)
- return r;
- if (r == 0)
- return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid SRV service type '%s'", type);
- }
+ else if (!dns_srv_type_is_valid(type))
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid SRV service type '%s'", type);
r = dns_name_is_valid(domain);
if (r < 0)
@@ -1079,7 +1081,7 @@ static int bus_method_resolve_service(sd_bus_message *message, void *userdata, s
if (r < 0)
return r;
- r = dns_query_new(m, &q, question, ifindex, flags);
+ r = dns_query_new(m, &q, question, ifindex, flags|SD_RESOLVED_NO_SEARCH);
if (r < 0)
return r;
@@ -1102,8 +1104,123 @@ fail:
return r;
}
+static int append_dns_server(sd_bus_message *reply, DnsServer *s) {
+ int r;
+
+ assert(reply);
+ assert(s);
+
+ r = sd_bus_message_open_container(reply, 'r', "iiay");
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append(reply, "ii", s->link ? s->link->ifindex : 0, s->family);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_append_array(reply, 'y', &s->address, FAMILY_ADDRESS_SIZE(s->family));
+ if (r < 0)
+ return r;
+
+ return sd_bus_message_close_container(reply);
+}
+
+static int bus_property_get_dns_servers(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ Manager *m = userdata;
+ unsigned c = 0;
+ DnsServer *s;
+ Iterator i;
+ Link *l;
+ int r;
+
+ assert(reply);
+ assert(m);
+
+ r = sd_bus_message_open_container(reply, 'a', "(iiay)");
+ if (r < 0)
+ return r;
+
+ LIST_FOREACH(servers, s, m->dns_servers) {
+ r = append_dns_server(reply, s);
+ if (r < 0)
+ return r;
+
+ c++;
+ }
+
+ HASHMAP_FOREACH(l, m->links, i) {
+ LIST_FOREACH(servers, s, l->dns_servers) {
+ r = append_dns_server(reply, s);
+ if (r < 0)
+ return r;
+ c++;
+ }
+ }
+
+ if (c == 0) {
+ LIST_FOREACH(servers, s, m->fallback_dns_servers) {
+ r = append_dns_server(reply, s);
+ if (r < 0)
+ return r;
+ }
+ }
+
+ return sd_bus_message_close_container(reply);
+}
+
+static int bus_property_get_search_domains(
+ sd_bus *bus,
+ const char *path,
+ const char *interface,
+ const char *property,
+ sd_bus_message *reply,
+ void *userdata,
+ sd_bus_error *error) {
+
+ Manager *m = userdata;
+ DnsSearchDomain *d;
+ Iterator i;
+ Link *l;
+ int r;
+
+ assert(reply);
+ assert(m);
+
+ r = sd_bus_message_open_container(reply, 'a', "(is)");
+ if (r < 0)
+ return r;
+
+ LIST_FOREACH(domains, d, m->search_domains) {
+ r = sd_bus_message_append(reply, "(is)", 0, d->name);
+ if (r < 0)
+ return r;
+ }
+
+ HASHMAP_FOREACH(l, m->links, i) {
+ LIST_FOREACH(domains, d, l->search_domains) {
+ r = sd_bus_message_append(reply, "is", l->ifindex, d->name);
+ if (r < 0)
+ return r;
+ }
+ }
+
+ return sd_bus_message_close_container(reply);
+}
+
static const sd_bus_vtable resolve_vtable[] = {
SD_BUS_VTABLE_START(0),
+ SD_BUS_PROPERTY("LLMNRHostname", "s", NULL, offsetof(Manager, llmnr_hostname), 0),
+ SD_BUS_PROPERTY("DNSServers", "a(iiay)", bus_property_get_dns_servers, 0, 0),
+ SD_BUS_PROPERTY("SearchDomains", "a(is)", bus_property_get_search_domains, 0, 0),
+
SD_BUS_METHOD("ResolveHostname", "isit", "a(iiay)st", bus_method_resolve_hostname, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("ResolveAddress", "iiayt", "a(is)t", bus_method_resolve_address, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_METHOD("ResolveRecord", "isqqt", "a(iqqay)t", bus_method_resolve_record, SD_BUS_VTABLE_UNPRIVILEGED),
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-22 19:09:40 +0000