diff options
-rw-r--r-- | NEWS | 21 | ||||
-rw-r--r-- | man/systemctl.xml | 12 | ||||
-rw-r--r-- | src/login/logind-dbus.c | 45 | ||||
-rw-r--r-- | src/login/org.freedesktop.login1.conf | 4 | ||||
-rw-r--r-- | src/login/org.freedesktop.login1.policy.in | 12 | ||||
-rw-r--r-- | src/network/networkd-link.c | 2 | ||||
-rw-r--r-- | src/network/networkd-network-gperf.gperf | 2 | ||||
-rw-r--r-- | src/network/networkd-network.c | 30 | ||||
-rw-r--r-- | src/network/networkd.h | 28 | ||||
-rw-r--r-- | src/resolve-host/resolve-host.c | 20 | ||||
-rw-r--r-- | src/resolve/resolved-bus.c | 16 | ||||
-rw-r--r-- | src/resolve/resolved-dns-cache.c | 30 | ||||
-rw-r--r-- | src/resolve/resolved-dns-packet.c | 43 | ||||
-rw-r--r-- | src/resolve/resolved-dns-packet.h | 9 | ||||
-rw-r--r-- | src/resolve/resolved-dns-query.c | 8 | ||||
-rw-r--r-- | src/resolve/resolved-dns-scope.c | 60 | ||||
-rw-r--r-- | src/resolve/resolved-dns-scope.h | 2 | ||||
-rw-r--r-- | src/resolve/resolved-dns-transaction.c | 48 | ||||
-rw-r--r-- | src/systemctl/systemctl.c | 102 |
19 files changed, 316 insertions, 178 deletions
@@ -1,5 +1,26 @@ systemd System and Service Manager +CHANGES WITH 225: + + * Mostly a bugfix release, with tree-wide cleanups + + * systemd-networkd learned to cope with private-zone DHCP options and + allows other programs to query the values. + + Contributions from: Alastair Hughes, Alex Crawford, Daniel Mack, + David Herrmann, Dimitri John Ledkov, Eric Kostrowski, Evgeny + Vereshchagin, Felipe Sateler, Jan Pokorný, Jan Synacek, Johnny + Robeson, Karel Zak, Kay Sievers, Kefeng Wang, Lennart + Poettering, Major Hayden, Marcel Holtmann, Markus Elfring, + Martin Mikkelsen, Matt Turner, Maxim Mikityanskiy, Michael + Biebl, Namhyung Kim, Nicolas Cornu, Owen W. Taylor, Patrik + Flykt, Peter Hutterer, reverendhomer, Richard Maw, Ronny + Chevalier, Seth Jennings, Stef Walter, Susant Sahani, Thomas + Blume, Thomas Hindoe Paaboel Andersen, Thomas Meyer, Tom + Gundersen, WaLyong Cho, Zbigniew Jędrzejewski-Szmek + + -- Berlin, 2015-xx-xx + CHANGES WITH 224: * The systemd-efi-boot-generator functionality was merged into diff --git a/man/systemctl.xml b/man/systemctl.xml index 0b5282ba21..20d143741b 100644 --- a/man/systemctl.xml +++ b/man/systemctl.xml @@ -474,6 +474,18 @@ </varlistentry> <varlistentry> + <term><option>--message=</option></term> + + <listitem> + <para>When used with <command>halt</command>, + <command>poweroff</command>, <command>reboot</command> or + <command>kexec</command>, set a short message explaining the reason + for the operation. The message will be logged together with the + default shutdown message.</para> + </listitem> + </varlistentry> + + <varlistentry> <term><option>--now</option></term> <listitem> diff --git a/src/login/logind-dbus.c b/src/login/logind-dbus.c index 992a9f5b4a..5b2b36b9c0 100644 --- a/src/login/logind-dbus.c +++ b/src/login/logind-dbus.c @@ -1339,7 +1339,8 @@ static int bus_manager_log_shutdown( InhibitWhat w, const char *unit_name) { - const char *p, *q; + const char *p; + const char *q; assert(m); assert(unit_name); @@ -1364,6 +1365,9 @@ static int bus_manager_log_shutdown( q = NULL; } + if (m->wall_message) + p = strjoina(p, " (", m->wall_message, ")", NULL); + return log_struct(LOG_NOTICE, LOG_MESSAGE_ID(SD_MESSAGE_SHUTDOWN), p, @@ -2282,6 +2286,44 @@ static int method_can_reboot_to_firmware_setup( return sd_bus_reply_method_return(message, "s", result); } +static int method_set_wall_message( + sd_bus_message *message, + void *userdata, + sd_bus_error *error) { + + int r; + Manager *m = userdata; + char *wall_message; + bool enable_wall_messages; + + assert(message); + assert(m); + + r = sd_bus_message_read(message, "sb", &wall_message, &enable_wall_messages); + if (r < 0) + return r; + + r = bus_verify_polkit_async(message, + CAP_SYS_ADMIN, + "org.freedesktop.login1.set-wall-message", + false, + UID_INVALID, + &m->polkit_registry, + error); + + if (r < 0) + return r; + if (r == 0) + return 1; /* Will call us back */ + + r = free_and_strdup(&m->wall_message, wall_message); + if (r < 0) + return log_oom(); + m->enable_wall_messages = enable_wall_messages; + + return sd_bus_reply_method_return(message, NULL); +} + static int method_inhibit(sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; const char *who, *why, *what, *mode; @@ -2463,6 +2505,7 @@ const sd_bus_vtable manager_vtable[] = { SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("CanRebootToFirmwareSetup", NULL, "s", method_can_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_METHOD("SetRebootToFirmwareSetup", "b", NULL, method_set_reboot_to_firmware_setup, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("SetWallMessage", "sb", NULL, method_set_wall_message, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_SIGNAL("SessionNew", "so", 0), SD_BUS_SIGNAL("SessionRemoved", "so", 0), diff --git a/src/login/org.freedesktop.login1.conf b/src/login/org.freedesktop.login1.conf index d8deb7bc8b..1662d4c428 100644 --- a/src/login/org.freedesktop.login1.conf +++ b/src/login/org.freedesktop.login1.conf @@ -182,6 +182,10 @@ <allow send_destination="org.freedesktop.login1" send_interface="org.freedesktop.login1.Manager" + send_member="SetWallMessage"/> + + <allow send_destination="org.freedesktop.login1" + send_interface="org.freedesktop.login1.Manager" send_member="AttachDevice"/> <allow send_destination="org.freedesktop.login1" diff --git a/src/login/org.freedesktop.login1.policy.in b/src/login/org.freedesktop.login1.policy.in index 83e7183323..23326bb79f 100644 --- a/src/login/org.freedesktop.login1.policy.in +++ b/src/login/org.freedesktop.login1.policy.in @@ -150,6 +150,7 @@ <allow_inactive>auth_admin_keep</allow_inactive> <allow_active>yes</allow_active> </defaults> + <annotate key="org.freedesktop.policykit.imply">org.freedesktop.login1.set-wall-message</annotate> </action> <action id="org.freedesktop.login1.power-off-multiple-sessions"> @@ -182,6 +183,7 @@ <allow_inactive>auth_admin_keep</allow_inactive> <allow_active>yes</allow_active> </defaults> + <annotate key="org.freedesktop.policykit.imply">org.freedesktop.login1.set-wall-message</annotate> </action> <action id="org.freedesktop.login1.reboot-multiple-sessions"> @@ -300,4 +302,14 @@ </defaults> </action> + <action id="org.freedesktop.login1.set-wall-message"> + <_description>Set a wall message</_description> + <_message>Authentication is required to set a wall message</_message> + <defaults> + <allow_any>auth_admin_keep</allow_any> + <allow_inactive>auth_admin_keep</allow_inactive> + <allow_active>auth_admin_keep</allow_active> + </defaults> + </action> + </policyconfig> diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c index 91b9cdf30d..cc9dc393c6 100644 --- a/src/network/networkd-link.c +++ b/src/network/networkd-link.c @@ -2378,7 +2378,7 @@ int link_save(Link *link) { yes_no(link->network->wildcard_domain)); fprintf(f, "LLMNR=%s\n", - llmnr_support_to_string(link->network->llmnr)); + resolve_support_to_string(link->network->llmnr)); } if (!hashmap_isempty(link->bound_to_links)) { diff --git a/src/network/networkd-network-gperf.gperf b/src/network/networkd-network-gperf.gperf index 8735b39581..7ac7ef1ea3 100644 --- a/src/network/networkd-network-gperf.gperf +++ b/src/network/networkd-network-gperf.gperf @@ -45,7 +45,7 @@ Network.Address, config_parse_address, 0 Network.Gateway, config_parse_gateway, 0, 0 Network.Domains, config_parse_domains, 0, offsetof(Network, domains) Network.DNS, config_parse_strv, 0, offsetof(Network, dns) -Network.LLMNR, config_parse_llmnr, 0, offsetof(Network, llmnr) +Network.LLMNR, config_parse_resolve, 0, offsetof(Network, llmnr) Network.NTP, config_parse_strv, 0, offsetof(Network, ntp) Network.IPForward, config_parse_address_family_boolean_with_kernel,0, offsetof(Network, ip_forward) Network.IPMasquerade, config_parse_bool, 0, offsetof(Network, ip_masquerade) diff --git a/src/network/networkd-network.c b/src/network/networkd-network.c index 3f7e77da3e..6587ea994c 100644 --- a/src/network/networkd-network.c +++ b/src/network/networkd-network.c @@ -111,7 +111,7 @@ static int network_load_one(Manager *manager, const char *filename) { network->allow_port_to_be_root = true; network->unicast_flood = true; - network->llmnr = LLMNR_SUPPORT_YES; + network->llmnr = RESOLVE_SUPPORT_YES; network->link_local = ADDRESS_FAMILY_IPV6; @@ -632,15 +632,15 @@ static const char* const dhcp_client_identifier_table[_DHCP_CLIENT_ID_MAX] = { DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(dhcp_client_identifier, DCHPClientIdentifier); DEFINE_CONFIG_PARSE_ENUM(config_parse_dhcp_client_identifier, dhcp_client_identifier, DCHPClientIdentifier, "Failed to parse client identifier type"); -static const char* const llmnr_support_table[_LLMNR_SUPPORT_MAX] = { - [LLMNR_SUPPORT_NO] = "no", - [LLMNR_SUPPORT_YES] = "yes", - [LLMNR_SUPPORT_RESOLVE] = "resolve", +static const char* const resolve_support_table[_RESOLVE_SUPPORT_MAX] = { + [RESOLVE_SUPPORT_NO] = "no", + [RESOLVE_SUPPORT_YES] = "yes", + [RESOLVE_SUPPORT_RESOLVE] = "resolve", }; -DEFINE_STRING_TABLE_LOOKUP(llmnr_support, LLMNRSupport); +DEFINE_STRING_TABLE_LOOKUP(resolve_support, ResolveSupport); -int config_parse_llmnr( +int config_parse_resolve( const char* unit, const char *filename, unsigned line, @@ -652,32 +652,32 @@ int config_parse_llmnr( void *data, void *userdata) { - LLMNRSupport *llmnr = data; + ResolveSupport *resolve = data; int k; assert(filename); assert(lvalue); assert(rvalue); - assert(llmnr); + assert(resolve); /* Our enum shall be a superset of booleans, hence first try * to parse as boolean, and then as enum */ k = parse_boolean(rvalue); if (k > 0) - *llmnr = LLMNR_SUPPORT_YES; + *resolve = RESOLVE_SUPPORT_YES; else if (k == 0) - *llmnr = LLMNR_SUPPORT_NO; + *resolve = RESOLVE_SUPPORT_NO; else { - LLMNRSupport s; + ResolveSupport s; - s = llmnr_support_from_string(rvalue); + s = resolve_support_from_string(rvalue); if (s < 0){ - log_syntax(unit, LOG_ERR, filename, line, -s, "Failed to parse LLMNR option, ignoring: %s", rvalue); + log_syntax(unit, LOG_ERR, filename, line, -s, "Failed to parse %s option, ignoring: %s", lvalue, rvalue); return 0; } - *llmnr = s; + *resolve = s; } return 0; diff --git a/src/network/networkd.h b/src/network/networkd.h index a285a4b08f..5340922bf1 100644 --- a/src/network/networkd.h +++ b/src/network/networkd.h @@ -64,13 +64,13 @@ typedef enum AddressFamilyBoolean { _ADDRESS_FAMILY_BOOLEAN_INVALID = -1, } AddressFamilyBoolean; -typedef enum LLMNRSupport { - LLMNR_SUPPORT_NO, - LLMNR_SUPPORT_YES, - LLMNR_SUPPORT_RESOLVE, - _LLMNR_SUPPORT_MAX, - _LLMNR_SUPPORT_INVALID = -1, -} LLMNRSupport; +typedef enum ResolveSupport { + RESOLVE_SUPPORT_NO, + RESOLVE_SUPPORT_YES, + RESOLVE_SUPPORT_RESOLVE, + _RESOLVE_SUPPORT_MAX, + _RESOLVE_SUPPORT_INVALID = -1, +} ResolveSupport; typedef enum LinkOperationalState { LINK_OPERSTATE_OFF, @@ -178,7 +178,7 @@ struct Network { bool wildcard_domain; char **domains, **dns, **ntp, **bind_carrier; - LLMNRSupport llmnr; + ResolveSupport llmnr; LIST_FIELDS(Network, networks); }; @@ -421,14 +421,14 @@ int config_parse_ipv6token(const char *unit, const char *filename, unsigned line const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata); -/* LLMNR support */ +/* Resolve protocols support */ -const char* llmnr_support_to_string(LLMNRSupport i) _const_; -LLMNRSupport llmnr_support_from_string(const char *s) _pure_; +const char* resolve_support_to_string(ResolveSupport i) _const_; +ResolveSupport resolve_support_from_string(const char *s) _pure_; -int config_parse_llmnr(const char *unit, const char *filename, unsigned line, - const char *section, unsigned section_line, const char *lvalue, - int ltype, const char *rvalue, void *data, void *userdata); +int config_parse_resolve(const char *unit, const char *filename, unsigned line, + const char *section, unsigned section_line, const char *lvalue, + int ltype, const char *rvalue, void *data, void *userdata); /* Address Pool */ diff --git a/src/resolve-host/resolve-host.c b/src/resolve-host/resolve-host.c index 4a7d1e3173..9847effb53 100644 --- a/src/resolve-host/resolve-host.c +++ b/src/resolve-host/resolve-host.c @@ -490,7 +490,7 @@ static int parse_argv(int argc, char *argv[]) { { "version", no_argument, NULL, ARG_VERSION }, { "type", required_argument, NULL, 't' }, { "class", required_argument, NULL, 'c' }, - { "legend", optional_argument, NULL, ARG_LEGEND }, + { "legend", optional_argument, NULL, ARG_LEGEND }, { "protocol", required_argument, NULL, 'p' }, {} }; @@ -520,11 +520,21 @@ static int parse_argv(int argc, char *argv[]) { arg_family = AF_INET6; break; - case 'i': - arg_ifindex = if_nametoindex(optarg); - if (arg_ifindex <= 0) - return log_error_errno(errno, "Unknown interfaces %s: %m", optarg); + case 'i': { + int ifi; + + if (safe_atoi(optarg, &ifi) >= 0 && ifi > 0) + arg_ifindex = ifi; + else { + ifi = if_nametoindex(optarg); + if (ifi <= 0) + return log_error_errno(errno, "Unknown interface %s: %m", optarg); + + arg_ifindex = ifi; + } + break; + } case 't': if (streq(optarg, "help")) { diff --git a/src/resolve/resolved-bus.c b/src/resolve/resolved-bus.c index 1f23834ce3..12c17003e9 100644 --- a/src/resolve/resolved-bus.c +++ b/src/resolve/resolved-bus.c @@ -226,10 +226,6 @@ static void bus_method_resolve_hostname_complete(DnsQuery *q) { * query, this time with the cname */ if (added <= 0) { r = dns_query_go(q); - if (r == -ESRCH) { - r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_NAME_SERVERS, "No appropriate name servers or networks for name found"); - goto finish; - } if (r < 0) { r = sd_bus_reply_method_errno(q->request, -r, NULL); goto finish; @@ -346,10 +342,6 @@ static int bus_method_resolve_hostname(sd_bus_message *message, void *userdata, r = dns_query_go(q); if (r < 0) { dns_query_free(q); - - if (r == -ESRCH) - sd_bus_error_setf(error, BUS_ERROR_NO_NAME_SERVERS, "No appropriate name servers or networks for name found"); - return r; } @@ -494,10 +486,6 @@ static int bus_method_resolve_address(sd_bus_message *message, void *userdata, s r = dns_query_go(q); if (r < 0) { dns_query_free(q); - - if (r == -ESRCH) - sd_bus_error_setf(error, BUS_ERROR_NO_NAME_SERVERS, "No appropriate name servers or networks for name found"); - return r; } @@ -647,10 +635,6 @@ static int bus_method_resolve_record(sd_bus_message *message, void *userdata, sd r = dns_query_go(q); if (r < 0) { dns_query_free(q); - - if (r == -ESRCH) - sd_bus_error_setf(error, BUS_ERROR_NO_NAME_SERVERS, "No appropriate name servers or networks for name found"); - return r; } diff --git a/src/resolve/resolved-dns-cache.c b/src/resolve/resolved-dns-cache.c index efc407dbc6..7ee098397c 100644 --- a/src/resolve/resolved-dns-cache.c +++ b/src/resolve/resolved-dns-cache.c @@ -411,16 +411,17 @@ int dns_cache_put( int owner_family, const union in_addr_union *owner_address) { - unsigned i; + unsigned cache_keys, i; int r; assert(c); - assert(q); - /* First, delete all matching old RRs, so that we only keep - * complete by_key in place. */ - for (i = 0; i < q->n_keys; i++) - dns_cache_remove(c, q->keys[i]); + if (q) { + /* First, if we were passed a question, delete all matching old RRs, + * so that we only keep complete by_key in place. */ + for (i = 0; i < q->n_keys; i++) + dns_cache_remove(c, q->keys[i]); + } if (!answer) return 0; @@ -435,8 +436,13 @@ int dns_cache_put( if (!IN_SET(rcode, DNS_RCODE_SUCCESS, DNS_RCODE_NXDOMAIN)) return 0; + cache_keys = answer->n_rrs; + + if (q) + cache_keys += q->n_keys; + /* Make some space for our new entries */ - dns_cache_make_space(c, answer->n_rrs + q->n_keys); + dns_cache_make_space(c, cache_keys); if (timestamp <= 0) timestamp = now(clock_boottime_or_monotonic()); @@ -448,6 +454,9 @@ int dns_cache_put( goto fail; } + if (!q) + return 0; + /* Third, add in negative entries for all keys with no RR */ for (i = 0; i < q->n_keys; i++) { DnsResourceRecord *soa = NULL; @@ -479,8 +488,11 @@ fail: /* Adding all RRs failed. Let's clean up what we already * added, just in case */ - for (i = 0; i < q->n_keys; i++) - dns_cache_remove(c, q->keys[i]); + if (q) { + for (i = 0; i < q->n_keys; i++) + dns_cache_remove(c, q->keys[i]); + } + for (i = 0; i < answer->n_rrs; i++) dns_cache_remove(c, answer->items[i].rr->key); diff --git a/src/resolve/resolved-dns-packet.c b/src/resolve/resolved-dns-packet.c index bebd1ee4a6..784d949cce 100644 --- a/src/resolve/resolved-dns-packet.c +++ b/src/resolve/resolved-dns-packet.c @@ -64,7 +64,7 @@ int dns_packet_new(DnsPacket **ret, DnsProtocol protocol, size_t mtu) { int dns_packet_new_query(DnsPacket **ret, DnsProtocol protocol, size_t mtu) { DnsPacket *p; DnsPacketHeader *h; - int r; + int r, rd; assert(ret); @@ -74,26 +74,27 @@ int dns_packet_new_query(DnsPacket **ret, DnsProtocol protocol, size_t mtu) { h = DNS_PACKET_HEADER(p); - if (protocol == DNS_PROTOCOL_LLMNR) - h->flags = htobe16(DNS_PACKET_MAKE_FLAGS(0 /* qr */, - 0 /* opcode */, - 0 /* c */, - 0 /* tc */, - 0 /* t */, - 0 /* ra */, - 0 /* ad */, - 0 /* cd */, - 0 /* rcode */)); - else - h->flags = htobe16(DNS_PACKET_MAKE_FLAGS(0 /* qr */, - 0 /* opcode */, - 0 /* aa */, - 0 /* tc */, - 1 /* rd (ask for recursion) */, - 0 /* ra */, - 0 /* ad */, - 0 /* cd */, - 0 /* rcode */)); + switch (protocol) { + case DNS_PROTOCOL_LLMNR: + /* no recursion for link-local resolving protocols */ + rd = 0; + break; + + default: + /* ask for recursion */ + rd = 1; + break; + } + + h->flags = htobe16(DNS_PACKET_MAKE_FLAGS(0 /* qr */, + 0 /* opcode */, + 0 /* aa */, + 0 /* tc */, + rd /* rd */, + 0 /* ra */, + 0 /* ad */, + 0 /* cd */, + 0 /* rcode */)); *ret = p; return 0; diff --git a/src/resolve/resolved-dns-packet.h b/src/resolve/resolved-dns-packet.h index e81f8a8202..8a72b898da 100644 --- a/src/resolve/resolved-dns-packet.h +++ b/src/resolve/resolved-dns-packet.h @@ -239,11 +239,16 @@ static inline uint64_t SD_RESOLVED_FLAGS_MAKE(DnsProtocol protocol, int family) /* Converts a protocol + family into a flags field as used in queries */ - if (protocol == DNS_PROTOCOL_DNS) + switch (protocol) { + case DNS_PROTOCOL_DNS: return SD_RESOLVED_DNS; - if (protocol == DNS_PROTOCOL_LLMNR) + case DNS_PROTOCOL_LLMNR: return family == AF_INET6 ? SD_RESOLVED_LLMNR_IPV6 : SD_RESOLVED_LLMNR_IPV4; + default: + break; + } + return 0; } diff --git a/src/resolve/resolved-dns-query.c b/src/resolve/resolved-dns-query.c index d9f5b342b2..c0b4c8ba81 100644 --- a/src/resolve/resolved-dns-query.c +++ b/src/resolve/resolved-dns-query.c @@ -651,12 +651,8 @@ int dns_query_go(DnsQuery *q) { DnsTransactionState state = DNS_TRANSACTION_NO_SERVERS; dns_query_synthesize_reply(q, &state); - if (state != DNS_TRANSACTION_NO_SERVERS) { - dns_query_complete(q, state); - return 1; - } - - return -ESRCH; + dns_query_complete(q, state); + return 1; } r = dns_query_add_transaction_split(q, first); diff --git a/src/resolve/resolved-dns-scope.c b/src/resolve/resolved-dns-scope.c index 57a2c7d6c1..77034a0be8 100644 --- a/src/resolve/resolved-dns-scope.c +++ b/src/resolve/resolved-dns-scope.c @@ -78,8 +78,7 @@ DnsScope* dns_scope_free(DnsScope *s) { dns_scope_llmnr_membership(s, false); - while ((t = s->transactions)) { - + while ((t = hashmap_steal_first(s->transactions))) { /* Abort the transaction, but make sure it is not * freed while we still look at it */ @@ -90,6 +89,8 @@ DnsScope* dns_scope_free(DnsScope *s) { dns_transaction_free(t); } + hashmap_free(s->transactions); + while ((rr = ordered_hashmap_steal_first(s->conflict_queue))) dns_resource_record_unref(rr); @@ -165,7 +166,8 @@ int dns_scope_emit(DnsScope *s, int fd, DnsPacket *p) { } else mtu = manager_find_mtu(s->manager); - if (s->protocol == DNS_PROTOCOL_DNS) { + switch (s->protocol) { + case DNS_PROTOCOL_DNS: if (DNS_PACKET_QDCOUNT(p) > 1) return -EOPNOTSUPP; @@ -179,8 +181,9 @@ int dns_scope_emit(DnsScope *s, int fd, DnsPacket *p) { if (r < 0) return r; - } else if (s->protocol == DNS_PROTOCOL_LLMNR) { + break; + case DNS_PROTOCOL_LLMNR: if (DNS_PACKET_QDCOUNT(p) > 1) return -EOPNOTSUPP; @@ -204,8 +207,12 @@ int dns_scope_emit(DnsScope *s, int fd, DnsPacket *p) { r = manager_send(s->manager, fd, ifindex, family, &addr, port, p); if (r < 0) return r; - } else + + break; + + default: return -EAFNOSUPPORT; + } return 1; } @@ -340,27 +347,25 @@ DnsScopeMatch dns_scope_good_domain(DnsScope *s, int ifindex, uint64_t flags, co if (dns_name_endswith(domain, *i) > 0) return DNS_SCOPE_YES; - if (s->protocol == DNS_PROTOCOL_DNS) { + switch (s->protocol) { + case DNS_PROTOCOL_DNS: if (dns_name_endswith(domain, "254.169.in-addr.arpa") == 0 && dns_name_endswith(domain, "0.8.e.f.ip6.arpa") == 0 && dns_name_single_label(domain) == 0) return DNS_SCOPE_MAYBE; return DNS_SCOPE_NO; - } - if (s->protocol == DNS_PROTOCOL_MDNS) { + case DNS_PROTOCOL_MDNS: if ((s->family == AF_INET && dns_name_endswith(domain, "in-addr.arpa") > 0) || (s->family == AF_INET6 && dns_name_endswith(domain, "ip6.arpa") > 0) || (dns_name_endswith(domain, "local") > 0 && /* only resolve names ending in .local via mDNS */ dns_name_equal(domain, "local") == 0 && /* but not the single-label "local" name itself */ manager_is_own_hostname(s->manager, domain) <= 0)) /* never resolve the local hostname via mDNS */ - return DNS_SCOPE_MAYBE; return DNS_SCOPE_NO; - } - if (s->protocol == DNS_PROTOCOL_LLMNR) { + case DNS_PROTOCOL_LLMNR: if ((s->family == AF_INET && dns_name_endswith(domain, "in-addr.arpa") > 0) || (s->family == AF_INET6 && dns_name_endswith(domain, "ip6.arpa") > 0) || (dns_name_single_label(domain) > 0 && /* only resolve single label names via LLMNR */ @@ -369,9 +374,10 @@ DnsScopeMatch dns_scope_good_domain(DnsScope *s, int ifindex, uint64_t flags, co return DNS_SCOPE_MAYBE; return DNS_SCOPE_NO; - } - assert_not_reached("Unknown scope protocol"); + default: + assert_not_reached("Unknown scope protocol"); + } } int dns_scope_good_key(DnsScope *s, DnsResourceKey *key) { @@ -623,24 +629,20 @@ DnsTransaction *dns_scope_find_transaction(DnsScope *scope, DnsResourceKey *key, assert(scope); assert(key); - /* Try to find an ongoing transaction that is a equal or a - * superset of the specified question */ - - LIST_FOREACH(transactions_by_scope, t, scope->transactions) { - - /* Refuse reusing transactions that completed based on - * cached data instead of a real packet, if that's - * requested. */ - if (!cache_ok && - IN_SET(t->state, DNS_TRANSACTION_SUCCESS, DNS_TRANSACTION_FAILURE) && - !t->received) - continue; + /* Try to find an ongoing transaction that is a equal to the + * specified question */ + t = hashmap_get(scope->transactions, key); + if (!t) + return NULL; - if (dns_resource_key_equal(t->key, key) > 0) - return t; - } + /* Refuse reusing transactions that completed based on cached + * data instead of a real packet, if that's requested. */ + if (!cache_ok && + IN_SET(t->state, DNS_TRANSACTION_SUCCESS, DNS_TRANSACTION_FAILURE) && + !t->received) + return NULL; - return NULL; + return t; } static int dns_scope_make_conflict_packet( diff --git a/src/resolve/resolved-dns-scope.h b/src/resolve/resolved-dns-scope.h index 47f285db47..88fb8224e2 100644 --- a/src/resolve/resolved-dns-scope.h +++ b/src/resolve/resolved-dns-scope.h @@ -60,7 +60,7 @@ struct DnsScope { usec_t resend_timeout; usec_t max_rtt; - LIST_HEAD(DnsTransaction, transactions); + Hashmap *transactions; LIST_FIELDS(DnsScope, scopes); }; diff --git a/src/resolve/resolved-dns-transaction.c b/src/resolve/resolved-dns-transaction.c index 81156dfa45..7b84c1bab8 100644 --- a/src/resolve/resolved-dns-transaction.c +++ b/src/resolve/resolved-dns-transaction.c @@ -35,7 +35,6 @@ DnsTransaction* dns_transaction_free(DnsTransaction *t) { sd_event_source_unref(t->timeout_event_source); - dns_resource_key_unref(t->key); dns_packet_unref(t->sent); dns_packet_unref(t->received); dns_answer_unref(t->cached); @@ -47,12 +46,14 @@ DnsTransaction* dns_transaction_free(DnsTransaction *t) { dns_stream_free(t->stream); if (t->scope) { - LIST_REMOVE(transactions_by_scope, t->scope->transactions, t); + hashmap_remove(t->scope->transactions, t->key); if (t->id != 0) hashmap_remove(t->scope->manager->dns_transactions, UINT_TO_PTR(t->id)); } + dns_resource_key_unref(t->key); + while ((q = set_steal_first(t->queries))) set_remove(q->transactions, t); set_free(t->queries); @@ -89,14 +90,18 @@ int dns_transaction_new(DnsTransaction **ret, DnsScope *s, DnsResourceKey *key) if (r < 0) return r; + r = hashmap_ensure_allocated(&s->transactions, &dns_resource_key_hash_ops); + if (r < 0) + return r; + t = new0(DnsTransaction, 1); if (!t) return -ENOMEM; t->dns_fd = -1; - t->key = dns_resource_key_ref(key); + /* Find a fresh, unused transaction id */ do random_bytes(&t->id, sizeof(t->id)); while (t->id == 0 || @@ -108,7 +113,12 @@ int dns_transaction_new(DnsTransaction **ret, DnsScope *s, DnsResourceKey *key) return r; } - LIST_PREPEND(transactions_by_scope, s->transactions, t); + r = hashmap_put(s->transactions, t->key, t); + if (r < 0) { + hashmap_remove(s->manager->dns_transactions, UINT_TO_PTR(t->id)); + return r; + } + t->scope = s; if (ret) @@ -176,9 +186,6 @@ void dns_transaction_complete(DnsTransaction *t, DnsTransactionState state) { assert(t); assert(!IN_SET(state, DNS_TRANSACTION_NULL, DNS_TRANSACTION_PENDING)); - if (!IN_SET(t->state, DNS_TRANSACTION_NULL, DNS_TRANSACTION_PENDING)) - return; - /* Note that this call might invalidate the query. Callers * should hence not attempt to access the query or transaction * after calling this function. */ @@ -253,10 +260,12 @@ static int dns_transaction_open_tcp(DnsTransaction *t) { if (t->stream) return 0; - if (t->scope->protocol == DNS_PROTOCOL_DNS) + switch (t->scope->protocol) { + case DNS_PROTOCOL_DNS: fd = dns_scope_tcp_socket(t->scope, AF_UNSPEC, NULL, 53, &server); - else if (t->scope->protocol == DNS_PROTOCOL_LLMNR) { + break; + case DNS_PROTOCOL_LLMNR: /* When we already received a reply to this (but it was truncated), send to its sender address */ if (t->received) fd = dns_scope_tcp_socket(t->scope, t->received->family, &t->received->sender, t->received->sender_port, NULL); @@ -274,12 +283,16 @@ static int dns_transaction_open_tcp(DnsTransaction *t) { if (r == 0) return -EINVAL; if (family != t->scope->family) - return -EAFNOSUPPORT; + return -ESRCH; fd = dns_scope_tcp_socket(t->scope, family, &address, LLMNR_PORT, NULL); } - } else + + break; + + default: return -EAFNOSUPPORT; + } if (fd < 0) return fd; @@ -335,7 +348,8 @@ void dns_transaction_process_reply(DnsTransaction *t, DnsPacket *p) { * should hence not attempt to access the query or transaction * after calling this function. */ - if (t->scope->protocol == DNS_PROTOCOL_LLMNR) { + switch (t->scope->protocol) { + case DNS_PROTOCOL_LLMNR: assert(t->scope->link); /* For LLMNR we will not accept any packets from other @@ -354,6 +368,14 @@ void dns_transaction_process_reply(DnsTransaction *t, DnsPacket *p) { dns_transaction_tentative(t, p); return; } + + break; + + case DNS_PROTOCOL_DNS: + break; + + default: + assert_not_reached("Invalid DNS protocol."); } if (t->received != p) { @@ -390,7 +412,7 @@ void dns_transaction_process_reply(DnsTransaction *t, DnsPacket *p) { break; default: - assert_not_reached("Invalid DNS protocol."); + break; } if (DNS_PACKET_TC(p)) { diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c index 3cd267ec5a..587793fb17 100644 --- a/src/systemctl/systemctl.c +++ b/src/systemctl/systemctl.c @@ -2794,6 +2794,33 @@ static int reboot_with_logind(sd_bus *bus, enum action a) { return -EINVAL; } + if (!strv_isempty(arg_wall)) { + _cleanup_free_ char *m; + + m = strv_join(arg_wall, " "); + if (!m) + return log_oom(); + + r = sd_bus_call_method( + bus, + "org.freedesktop.login1", + "/org/freedesktop/login1", + "org.freedesktop.login1.Manager", + "SetWallMessage", + &error, + NULL, + "sb", + m, + !arg_no_wall); + + if (r < 0) { + log_warning_errno(r, "Failed to set wall message, ignoring: %s", + bus_error_message(&error, r)); + sd_bus_error_free(&error); + } + } + + r = sd_bus_call_method( bus, "org.freedesktop.login1", @@ -6265,6 +6292,7 @@ static int systemctl_parse_argv(int argc, char *argv[]) { ARG_PRESET_MODE, ARG_FIRMWARE_SETUP, ARG_NOW, + ARG_MESSAGE, }; static const struct option options[] = { @@ -6309,6 +6337,7 @@ static int systemctl_parse_argv(int argc, char *argv[]) { { "preset-mode", required_argument, NULL, ARG_PRESET_MODE }, { "firmware-setup", no_argument, NULL, ARG_FIRMWARE_SETUP }, { "now", no_argument, NULL, ARG_NOW }, + { "message", required_argument, NULL, ARG_MESSAGE }, {} }; @@ -6593,6 +6622,11 @@ static int systemctl_parse_argv(int argc, char *argv[]) { arg_now = true; break; + case ARG_MESSAGE: + if (strv_extend(&arg_wall, optarg) < 0) + return log_oom(); + break; + case '?': return -EINVAL; @@ -7361,30 +7395,20 @@ static int halt_main(sd_bus *bus) { if (!m) return log_oom(); - r = sd_bus_set_property( - b, - "org.freedesktop.login1", - "/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - "WallMessage", - &error, - "s", m); - if (r < 0) { - log_warning_errno(r, "Failed to set WallMessage property in logind: %s", - bus_error_message(&error, r)); - sd_bus_error_free(&error); - } + r = sd_bus_call_method( + b, + "org.freedesktop.login1", + "/org/freedesktop/login1", + "org.freedesktop.login1.Manager", + "SetWallMessage", + &error, + NULL, + "sb", + m, + !arg_no_wall); - r = sd_bus_set_property( - b, - "org.freedesktop.login1", - "/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - "EnableWallMessages", - &error, - "b", !arg_no_wall); if (r < 0) { - log_warning_errno(r, "Failed to set EnableWallMessages property in logind: %s", + log_warning_errno(r, "Failed to set wall message, ignoring: %s", bus_error_message(&error, r)); sd_bus_error_free(&error); } @@ -7542,30 +7566,20 @@ int main(int argc, char*argv[]) { } } - r = sd_bus_set_property( - b, - "org.freedesktop.login1", - "/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - "WallMessage", - &error, - "s", arg_wall); - if (r < 0) { - log_warning_errno(r, "Failed to set WallMessage property in logind: %s", - bus_error_message(&error, r)); - sd_bus_error_free(&error); - } + r = sd_bus_call_method( + b, + "org.freedesktop.login1", + "/org/freedesktop/login1", + "org.freedesktop.login1.Manager", + "SetWallMessage", + &error, + NULL, + "sb", + m, + !arg_no_wall); - r = sd_bus_set_property( - b, - "org.freedesktop.login1", - "/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - "EnableWallMessages", - &error, - "b", !arg_no_wall); if (r < 0) { - log_warning_errno(r, "Failed to set EnableWallMessages property in logind: %s", + log_warning_errno(r, "Failed to set wall message, ignoring: %s", bus_error_message(&error, r)); sd_bus_error_free(&error); } |