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c3036641 | 1 | /*** |
96b2fb93 | 2 | Copyright © 2017 Dmitry Rozhkov |
c3036641 DR |
3 | ***/ |
4 | ||
5 | #include "alloc-util.h" | |
84b0f133 | 6 | #include "bus-util.h" |
c3036641 DR |
7 | #include "resolved-dnssd.h" |
8 | #include "resolved-dnssd-bus.h" | |
9 | #include "resolved-link.h" | |
10 | #include "strv.h" | |
84b0f133 | 11 | #include "user-util.h" |
c3036641 DR |
12 | |
13 | int bus_dnssd_method_unregister(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
14 | DnssdService *s = userdata; | |
400f54fb | 15 | DnssdTxtData *txt_data; |
c3036641 DR |
16 | Manager *m; |
17 | Iterator i; | |
18 | Link *l; | |
19 | int r; | |
20 | ||
21 | assert(message); | |
22 | assert(s); | |
23 | ||
24 | m = s->manager; | |
25 | ||
84b0f133 DR |
26 | r = bus_verify_polkit_async(message, CAP_SYS_ADMIN, |
27 | "org.freedesktop.resolve1.unregister-service", | |
28 | NULL, false, s->originator, | |
29 | &m->polkit_registry, error); | |
30 | if (r < 0) | |
31 | return r; | |
32 | if (r == 0) | |
33 | return 1; /* Polkit will call us back */ | |
34 | ||
c3036641 DR |
35 | HASHMAP_FOREACH(l, m->links, i) { |
36 | if (l->mdns_ipv4_scope) { | |
37 | r = dns_scope_announce(l->mdns_ipv4_scope, true); | |
38 | if (r < 0) | |
39 | log_warning_errno(r, "Failed to send goodbye messages in IPv4 scope: %m"); | |
40 | ||
41 | dns_zone_remove_rr(&l->mdns_ipv4_scope->zone, s->ptr_rr); | |
42 | dns_zone_remove_rr(&l->mdns_ipv4_scope->zone, s->srv_rr); | |
400f54fb DR |
43 | LIST_FOREACH(items, txt_data, s->txt_data_items) |
44 | dns_zone_remove_rr(&l->mdns_ipv4_scope->zone, txt_data->rr); | |
c3036641 DR |
45 | } |
46 | ||
47 | if (l->mdns_ipv6_scope) { | |
48 | r = dns_scope_announce(l->mdns_ipv6_scope, true); | |
49 | if (r < 0) | |
50 | log_warning_errno(r, "Failed to send goodbye messages in IPv6 scope: %m"); | |
51 | ||
52 | dns_zone_remove_rr(&l->mdns_ipv6_scope->zone, s->ptr_rr); | |
53 | dns_zone_remove_rr(&l->mdns_ipv6_scope->zone, s->srv_rr); | |
400f54fb DR |
54 | LIST_FOREACH(items, txt_data, s->txt_data_items) |
55 | dns_zone_remove_rr(&l->mdns_ipv6_scope->zone, txt_data->rr); | |
c3036641 DR |
56 | } |
57 | } | |
58 | ||
59 | dnssd_service_free(s); | |
60 | ||
61 | manager_refresh_rrs(m); | |
62 | ||
63 | return sd_bus_reply_method_return(message, NULL); | |
64 | } | |
65 | ||
66 | const sd_bus_vtable dnssd_vtable[] = { | |
67 | SD_BUS_VTABLE_START(0), | |
68 | ||
84b0f133 | 69 | SD_BUS_METHOD("Unregister", NULL, NULL, bus_dnssd_method_unregister, SD_BUS_VTABLE_UNPRIVILEGED), |
c3036641 DR |
70 | SD_BUS_SIGNAL("Conflicted", NULL, 0), |
71 | ||
72 | SD_BUS_VTABLE_END | |
73 | }; | |
74 | ||
75 | int dnssd_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { | |
76 | _cleanup_free_ char *name = NULL; | |
77 | Manager *m = userdata; | |
78 | DnssdService *service; | |
79 | int r; | |
80 | ||
81 | assert(bus); | |
82 | assert(path); | |
83 | assert(interface); | |
84 | assert(found); | |
85 | assert(m); | |
86 | ||
87 | r = sd_bus_path_decode(path, "/org/freedesktop/resolve1/dnssd", &name); | |
88 | if (r <= 0) | |
89 | return 0; | |
90 | ||
91 | service = hashmap_get(m->dnssd_services, name); | |
92 | if (!service) | |
93 | return 0; | |
94 | ||
95 | *found = service; | |
96 | return 1; | |
97 | } | |
98 | ||
99 | int dnssd_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) { | |
100 | _cleanup_strv_free_ char **l = NULL; | |
101 | Manager *m = userdata; | |
102 | DnssdService *service; | |
103 | Iterator i; | |
104 | unsigned c = 0; | |
105 | int r; | |
106 | ||
107 | assert(bus); | |
108 | assert(path); | |
109 | assert(m); | |
110 | assert(nodes); | |
111 | ||
112 | l = new0(char*, hashmap_size(m->dnssd_services) + 1); | |
113 | if (!l) | |
114 | return -ENOMEM; | |
115 | ||
116 | HASHMAP_FOREACH(service, m->dnssd_services, i) { | |
117 | char *p; | |
118 | ||
119 | r = sd_bus_path_encode("/org/freedesktop/resolve1/dnssd", service->name, &p); | |
120 | if (r < 0) | |
121 | return r; | |
122 | ||
123 | l[c++] = p; | |
124 | } | |
125 | ||
126 | l[c] = NULL; | |
ae2a15bc | 127 | *nodes = TAKE_PTR(l); |
c3036641 DR |
128 | |
129 | return 1; | |
130 | } |