diff options
-rw-r--r-- | TODO | 4 | ||||
-rw-r--r-- | man/systemd-timesyncd.service.xml | 4 | ||||
-rw-r--r-- | man/timedatectl.xml | 27 | ||||
-rw-r--r-- | src/journal/journalctl.c | 8 | ||||
-rw-r--r-- | src/libsystemd/sd-bus/bus-convenience.c | 146 | ||||
-rw-r--r-- | src/libsystemd/sd-bus/bus-internal.h | 6 | ||||
-rw-r--r-- | src/libsystemd/sd-bus/bus-message.c | 4 | ||||
-rw-r--r-- | src/libsystemd/sd-bus/sd-bus.c | 71 | ||||
-rw-r--r-- | src/libsystemd/sd-event/sd-event.c | 4 | ||||
-rw-r--r-- | src/libsystemd/sd-login/sd-login.c | 14 | ||||
-rw-r--r-- | src/libsystemd/sd-netlink/sd-netlink.c | 2 | ||||
-rw-r--r-- | src/resolve-host/resolve-host.c | 28 | ||||
-rw-r--r-- | src/resolve/resolved-dns-cache.c | 64 | ||||
-rw-r--r-- | src/resolve/resolved-dns-packet.c | 2 | ||||
-rw-r--r-- | src/resolve/resolved-dns-transaction.c | 3 |
15 files changed, 268 insertions, 119 deletions
@@ -354,7 +354,9 @@ Features: - avahi compat - DNS-SD service registration from socket units - edns0 - - dname + - dname: Not necessary for plain DNS as synthesized cname is handed out instead if we do not + announce dname support. However, for DNSSEC it is necessary as the synthesized cname + will not be signed. - cname on PTR (?) * Allow multiple ExecStart= for all Type= settings, so that we can cover rescue.service nicely diff --git a/man/systemd-timesyncd.service.xml b/man/systemd-timesyncd.service.xml index ac1af2d136..01ed0b8149 100644 --- a/man/systemd-timesyncd.service.xml +++ b/man/systemd-timesyncd.service.xml @@ -71,6 +71,10 @@ files, and the per-link dynamic settings received over DHCP. See <citerefentry><refentrytitle>systemd.network</refentrytitle><manvolnum>5</manvolnum></citerefentry> for more details.</para> + + <para><citerefentry><refentrytitle>timedatectl</refentrytitle><manvolnum>1</manvolnum></citerefentry>'s + <command>set-ntp</command> command may be used to enable and + start, or disable and stop this service.</para> </refsect1> <refsect1> diff --git a/man/timedatectl.xml b/man/timedatectl.xml index 2d42b41d5e..9a86c4126a 100644 --- a/man/timedatectl.xml +++ b/man/timedatectl.xml @@ -166,12 +166,27 @@ <term><command>set-ntp [BOOL]</command></term> <listitem><para>Takes a boolean argument. Controls whether - network time synchronization is enabled (if available). This - enables or disables the - <filename>systemd-timesyncd.service</filename> unit. Note that - even if this command turns time synchronization off a - different system service might still synchronize the clock - with the network.</para></listitem> + network time synchronization is active and enabled (if + available). This enables and starts, or disables and stops the + <filename>systemd-timesyncd.service</filename> unit. It does + not affect the state of any other, unrelated network time + synchronization services that might be installed on the + system. This command is hence mostly equivalent to: + <command>systemctl enable --now + systemd-timesyncd.service</command> and <command>systemctl + disable --now systemd-timesyncd.service</command>, but is + protected by a different access policy.</para> + + <para>Note that even if time synchronization is turned off + with this command another, unrelated system service might + still synchronize the clock with the network. Also note that + strictly speaking + <filename>systemd-timesyncd.service</filename> does more than + just network time synchronization as it ensures a monotonic + clock on systems without RTC even if no network is + available. See + <citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry> + for details about this.</para></listitem> </varlistentry> </variablelist> diff --git a/src/journal/journalctl.c b/src/journal/journalctl.c index fe83edd2b3..ce2dd9da26 100644 --- a/src/journal/journalctl.c +++ b/src/journal/journalctl.c @@ -2066,8 +2066,12 @@ int main(int argc, char *argv[]) { goto finish; } if (r == 0) { - printf("-- No entries --\n"); - goto finish; + if (arg_follow) + need_seek = true; + else { + printf("-- No entries --\n"); + goto finish; + } } if (!arg_follow) diff --git a/src/libsystemd/sd-bus/bus-convenience.c b/src/libsystemd/sd-bus/bus-convenience.c index 87898449e6..79747e058b 100644 --- a/src/libsystemd/sd-bus/bus-convenience.c +++ b/src/libsystemd/sd-bus/bus-convenience.c @@ -107,15 +107,17 @@ _public_ int sd_bus_call_method( _cleanup_bus_message_unref_ sd_bus_message *m = NULL; int r; - assert_return(bus, -EINVAL); - assert_return(!bus_pid_changed(bus), -ECHILD); + bus_assert_return(bus, -EINVAL, error); + bus_assert_return(!bus_pid_changed(bus), -ECHILD, error); - if (!BUS_IS_OPEN(bus->state)) - return -ENOTCONN; + if (!BUS_IS_OPEN(bus->state)) { + r = -ENOTCONN; + goto fail; + } r = sd_bus_message_new_method_call(bus, &m, destination, path, interface, member); if (r < 0) - return r; + goto fail; if (!isempty(types)) { va_list ap; @@ -124,10 +126,13 @@ _public_ int sd_bus_call_method( r = bus_message_append_ap(m, types, ap); va_end(ap); if (r < 0) - return r; + goto fail; } return sd_bus_call(bus, m, 0, error, reply); + +fail: + return sd_bus_error_set_errno(error, r); } _public_ int sd_bus_reply_method_return( @@ -289,15 +294,17 @@ _public_ int sd_bus_get_property( sd_bus_message *rep = NULL; int r; - assert_return(bus, -EINVAL); - assert_return(isempty(interface) || interface_name_is_valid(interface), -EINVAL); - assert_return(member_name_is_valid(member), -EINVAL); - assert_return(reply, -EINVAL); - assert_return(signature_is_single(type, false), -EINVAL); - assert_return(!bus_pid_changed(bus), -ECHILD); + bus_assert_return(bus, -EINVAL, error); + bus_assert_return(isempty(interface) || interface_name_is_valid(interface), -EINVAL, error); + bus_assert_return(member_name_is_valid(member), -EINVAL, error); + bus_assert_return(reply, -EINVAL, error); + bus_assert_return(signature_is_single(type, false), -EINVAL, error); + bus_assert_return(!bus_pid_changed(bus), -ECHILD, error); - if (!BUS_IS_OPEN(bus->state)) - return -ENOTCONN; + if (!BUS_IS_OPEN(bus->state)) { + r = -ENOTCONN; + goto fail; + } r = sd_bus_call_method(bus, destination, path, "org.freedesktop.DBus.Properties", "Get", error, &rep, "ss", strempty(interface), member); if (r < 0) @@ -306,11 +313,14 @@ _public_ int sd_bus_get_property( r = sd_bus_message_enter_container(rep, 'v', type); if (r < 0) { sd_bus_message_unref(rep); - return r; + goto fail; } *reply = rep; return 0; + +fail: + return sd_bus_error_set_errno(error, r); } _public_ int sd_bus_get_property_trivial( @@ -325,15 +335,17 @@ _public_ int sd_bus_get_property_trivial( _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; int r; - assert_return(bus, -EINVAL); - assert_return(isempty(interface) || interface_name_is_valid(interface), -EINVAL); - assert_return(member_name_is_valid(member), -EINVAL); - assert_return(bus_type_is_trivial(type), -EINVAL); - assert_return(ptr, -EINVAL); - assert_return(!bus_pid_changed(bus), -ECHILD); + bus_assert_return(bus, -EINVAL, error); + bus_assert_return(isempty(interface) || interface_name_is_valid(interface), -EINVAL, error); + bus_assert_return(member_name_is_valid(member), -EINVAL, error); + bus_assert_return(bus_type_is_trivial(type), -EINVAL, error); + bus_assert_return(ptr, -EINVAL, error); + bus_assert_return(!bus_pid_changed(bus), -ECHILD, error); - if (!BUS_IS_OPEN(bus->state)) - return -ENOTCONN; + if (!BUS_IS_OPEN(bus->state)) { + r = -ENOTCONN; + goto fail; + } r = sd_bus_call_method(bus, destination, path, "org.freedesktop.DBus.Properties", "Get", error, &reply, "ss", strempty(interface), member); if (r < 0) @@ -341,13 +353,16 @@ _public_ int sd_bus_get_property_trivial( r = sd_bus_message_enter_container(reply, 'v', CHAR_TO_STR(type)); if (r < 0) - return r; + goto fail; r = sd_bus_message_read_basic(reply, type, ptr); if (r < 0) - return r; + goto fail; return 0; + +fail: + return sd_bus_error_set_errno(error, r); } _public_ int sd_bus_get_property_string( @@ -364,14 +379,16 @@ _public_ int sd_bus_get_property_string( char *n; int r; - assert_return(bus, -EINVAL); - assert_return(isempty(interface) || interface_name_is_valid(interface), -EINVAL); - assert_return(member_name_is_valid(member), -EINVAL); - assert_return(ret, -EINVAL); - assert_return(!bus_pid_changed(bus), -ECHILD); + bus_assert_return(bus, -EINVAL, error); + bus_assert_return(isempty(interface) || interface_name_is_valid(interface), -EINVAL, error); + bus_assert_return(member_name_is_valid(member), -EINVAL, error); + bus_assert_return(ret, -EINVAL, error); + bus_assert_return(!bus_pid_changed(bus), -ECHILD, error); - if (!BUS_IS_OPEN(bus->state)) - return -ENOTCONN; + if (!BUS_IS_OPEN(bus->state)) { + r = -ENOTCONN; + goto fail; + } r = sd_bus_call_method(bus, destination, path, "org.freedesktop.DBus.Properties", "Get", error, &reply, "ss", strempty(interface), member); if (r < 0) @@ -379,18 +396,23 @@ _public_ int sd_bus_get_property_string( r = sd_bus_message_enter_container(reply, 'v', "s"); if (r < 0) - return r; + goto fail; r = sd_bus_message_read_basic(reply, 's', &s); if (r < 0) - return r; + goto fail; n = strdup(s); - if (!n) - return -ENOMEM; + if (!n) { + r = -ENOMEM; + goto fail; + } *ret = n; return 0; + +fail: + return sd_bus_error_set_errno(error, r); } _public_ int sd_bus_get_property_strv( @@ -405,14 +427,16 @@ _public_ int sd_bus_get_property_strv( _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; int r; - assert_return(bus, -EINVAL); - assert_return(isempty(interface) || interface_name_is_valid(interface), -EINVAL); - assert_return(member_name_is_valid(member), -EINVAL); - assert_return(ret, -EINVAL); - assert_return(!bus_pid_changed(bus), -ECHILD); + bus_assert_return(bus, -EINVAL, error); + bus_assert_return(isempty(interface) || interface_name_is_valid(interface), -EINVAL, error); + bus_assert_return(member_name_is_valid(member), -EINVAL, error); + bus_assert_return(ret, -EINVAL, error); + bus_assert_return(!bus_pid_changed(bus), -ECHILD, error); - if (!BUS_IS_OPEN(bus->state)) - return -ENOTCONN; + if (!BUS_IS_OPEN(bus->state)) { + r = -ENOTCONN; + goto fail; + } r = sd_bus_call_method(bus, destination, path, "org.freedesktop.DBus.Properties", "Get", error, &reply, "ss", strempty(interface), member); if (r < 0) @@ -420,13 +444,16 @@ _public_ int sd_bus_get_property_strv( r = sd_bus_message_enter_container(reply, 'v', NULL); if (r < 0) - return r; + goto fail; r = sd_bus_message_read_strv(reply, ret); if (r < 0) - return r; + goto fail; return 0; + +fail: + return sd_bus_error_set_errno(error, r); } _public_ int sd_bus_set_property( @@ -442,38 +469,43 @@ _public_ int sd_bus_set_property( va_list ap; int r; - assert_return(bus, -EINVAL); - assert_return(isempty(interface) || interface_name_is_valid(interface), -EINVAL); - assert_return(member_name_is_valid(member), -EINVAL); - assert_return(signature_is_single(type, false), -EINVAL); - assert_return(!bus_pid_changed(bus), -ECHILD); + bus_assert_return(bus, -EINVAL, error); + bus_assert_return(isempty(interface) || interface_name_is_valid(interface), -EINVAL, error); + bus_assert_return(member_name_is_valid(member), -EINVAL, error); + bus_assert_return(signature_is_single(type, false), -EINVAL, error); + bus_assert_return(!bus_pid_changed(bus), -ECHILD, error); - if (!BUS_IS_OPEN(bus->state)) - return -ENOTCONN; + if (!BUS_IS_OPEN(bus->state)) { + r = -ENOTCONN; + goto fail; + } r = sd_bus_message_new_method_call(bus, &m, destination, path, "org.freedesktop.DBus.Properties", "Set"); if (r < 0) - return r; + goto fail; r = sd_bus_message_append(m, "ss", strempty(interface), member); if (r < 0) - return r; + goto fail; r = sd_bus_message_open_container(m, 'v', type); if (r < 0) - return r; + goto fail; va_start(ap, type); r = bus_message_append_ap(m, type, ap); va_end(ap); if (r < 0) - return r; + goto fail; r = sd_bus_message_close_container(m); if (r < 0) - return r; + goto fail; return sd_bus_call(bus, m, 0, error, NULL); + +fail: + return sd_bus_error_set_errno(error, r); } _public_ int sd_bus_query_sender_creds(sd_bus_message *call, uint64_t mask, sd_bus_creds **creds) { diff --git a/src/libsystemd/sd-bus/bus-internal.h b/src/libsystemd/sd-bus/bus-internal.h index d420a7594f..9b68fdd642 100644 --- a/src/libsystemd/sd-bus/bus-internal.h +++ b/src/libsystemd/sd-bus/bus-internal.h @@ -419,3 +419,9 @@ int bus_maybe_reply_error(sd_bus_message *m, int r, sd_bus_error *error); bool is_kdbus_wanted(void); bool is_kdbus_available(void); + +#define bus_assert_return(expr, r, error) \ + do { \ + if (!assert_log(expr)) \ + return sd_bus_error_set_errno(error, r); \ + } while (false) diff --git a/src/libsystemd/sd-bus/bus-message.c b/src/libsystemd/sd-bus/bus-message.c index 7714baf045..a212f0b398 100644 --- a/src/libsystemd/sd-bus/bus-message.c +++ b/src/libsystemd/sd-bus/bus-message.c @@ -2682,7 +2682,7 @@ _public_ int sd_bus_message_append_array_memfd( int r; assert_return(m, -EINVAL); - assert_return(memfd >= 0, -EINVAL); + assert_return(memfd >= 0, -EBADF); assert_return(bus_type_is_trivial(type), -EINVAL); assert_return(size > 0, -EINVAL); assert_return(!m->sealed, -EPERM); @@ -2758,7 +2758,7 @@ _public_ int sd_bus_message_append_string_memfd( int r; assert_return(m, -EINVAL); - assert_return(memfd >= 0, -EINVAL); + assert_return(memfd >= 0, -EBADF); assert_return(size > 0, -EINVAL); assert_return(!m->sealed, -EPERM); assert_return(!m->poisoned, -ESTALE); diff --git a/src/libsystemd/sd-bus/sd-bus.c b/src/libsystemd/sd-bus/sd-bus.c index 763f830e2d..db4f21e9ff 100644 --- a/src/libsystemd/sd-bus/sd-bus.c +++ b/src/libsystemd/sd-bus/sd-bus.c @@ -213,8 +213,8 @@ _public_ int sd_bus_set_address(sd_bus *bus, const char *address) { _public_ int sd_bus_set_fd(sd_bus *bus, int input_fd, int output_fd) { assert_return(bus, -EINVAL); assert_return(bus->state == BUS_UNSET, -EPERM); - assert_return(input_fd >= 0, -EINVAL); - assert_return(output_fd >= 0, -EINVAL); + assert_return(input_fd >= 0, -EBADF); + assert_return(output_fd >= 0, -EBADF); assert_return(!bus_pid_changed(bus), -ECHILD); bus->input_fd = input_fd; @@ -1951,37 +1951,39 @@ _public_ int sd_bus_call( unsigned i; int r; - assert_return(m, -EINVAL); - assert_return(m->header->type == SD_BUS_MESSAGE_METHOD_CALL, -EINVAL); - assert_return(!(m->header->flags & BUS_MESSAGE_NO_REPLY_EXPECTED), -EINVAL); - assert_return(!bus_error_is_dirty(error), -EINVAL); + bus_assert_return(m, -EINVAL, error); + bus_assert_return(m->header->type == SD_BUS_MESSAGE_METHOD_CALL, -EINVAL, error); + bus_assert_return(!(m->header->flags & BUS_MESSAGE_NO_REPLY_EXPECTED), -EINVAL, error); + bus_assert_return(!bus_error_is_dirty(error), -EINVAL, error); if (!bus) bus = m->bus; - assert_return(!bus_pid_changed(bus), -ECHILD); - assert_return(!bus->is_kernel || !(bus->hello_flags & KDBUS_HELLO_MONITOR), -EROFS); + bus_assert_return(!bus_pid_changed(bus), -ECHILD, error); + bus_assert_return(!bus->is_kernel || !(bus->hello_flags & KDBUS_HELLO_MONITOR), -EROFS, error); - if (!BUS_IS_OPEN(bus->state)) - return -ENOTCONN; + if (!BUS_IS_OPEN(bus->state)) { + r = -ENOTCONN; + goto fail; + } r = bus_ensure_running(bus); if (r < 0) - return r; + goto fail; i = bus->rqueue_size; r = bus_seal_message(bus, m, usec); if (r < 0) - return r; + goto fail; r = bus_remarshal_message(bus, &m); if (r < 0) - return r; + goto fail; r = bus_send_internal(bus, m, &cookie, true); if (r < 0) - return r; + goto fail; timeout = calc_elapse(m->timeout); @@ -2012,14 +2014,17 @@ _public_ int sd_bus_call( } r = sd_bus_error_setf(error, SD_BUS_ERROR_INCONSISTENT_MESSAGE, "Reply message contained file descriptors which I couldn't accept. Sorry."); + sd_bus_message_unref(incoming); + return r; - } else if (incoming->header->type == SD_BUS_MESSAGE_METHOD_ERROR) + } else if (incoming->header->type == SD_BUS_MESSAGE_METHOD_ERROR) { r = sd_bus_error_copy(error, &incoming->error); - else + sd_bus_message_unref(incoming); + return r; + } else { r = -EIO; - - sd_bus_message_unref(incoming); - return r; + goto fail; + } } else if (BUS_MESSAGE_COOKIE(incoming) == cookie && bus->unique_name && @@ -2035,7 +2040,8 @@ _public_ int sd_bus_call( * immediately. */ sd_bus_message_unref(incoming); - return -ELOOP; + r = -ELOOP; + goto fail; } /* Try to read more, right-away */ @@ -2046,10 +2052,10 @@ _public_ int sd_bus_call( if (r < 0) { if (r == -ENOTCONN || r == -ECONNRESET || r == -EPIPE || r == -ESHUTDOWN) { bus_enter_closing(bus); - return -ECONNRESET; + r = -ECONNRESET; } - return r; + goto fail; } if (r > 0) continue; @@ -2058,8 +2064,10 @@ _public_ int sd_bus_call( usec_t n; n = now(CLOCK_MONOTONIC); - if (n >= timeout) - return -ETIMEDOUT; + if (n >= timeout) { + r = -ETIMEDOUT; + goto fail; + } left = timeout - n; } else @@ -2067,20 +2075,25 @@ _public_ int sd_bus_call( r = bus_poll(bus, true, left); if (r < 0) - return r; - if (r == 0) - return -ETIMEDOUT; + goto fail; + if (r == 0) { + r = -ETIMEDOUT; + goto fail; + } r = dispatch_wqueue(bus); if (r < 0) { if (r == -ENOTCONN || r == -ECONNRESET || r == -EPIPE || r == -ESHUTDOWN) { bus_enter_closing(bus); - return -ECONNRESET; + r = -ECONNRESET; } - return r; + goto fail; } } + +fail: + return sd_bus_error_set_errno(error, r); } _public_ int sd_bus_get_fd(sd_bus *bus) { diff --git a/src/libsystemd/sd-event/sd-event.c b/src/libsystemd/sd-event/sd-event.c index 754fb7614e..0e33ced342 100644 --- a/src/libsystemd/sd-event/sd-event.c +++ b/src/libsystemd/sd-event/sd-event.c @@ -816,7 +816,7 @@ _public_ int sd_event_add_io( int r; assert_return(e, -EINVAL); - assert_return(fd >= 0, -EINVAL); + assert_return(fd >= 0, -EBADF); assert_return(!(events & ~(EPOLLIN|EPOLLOUT|EPOLLRDHUP|EPOLLPRI|EPOLLERR|EPOLLHUP|EPOLLET)), -EINVAL); assert_return(callback, -EINVAL); assert_return(e->state != SD_EVENT_FINISHED, -ESTALE); @@ -1311,7 +1311,7 @@ _public_ int sd_event_source_set_io_fd(sd_event_source *s, int fd) { int r; assert_return(s, -EINVAL); - assert_return(fd >= 0, -EINVAL); + assert_return(fd >= 0, -EBADF); assert_return(s->type == SOURCE_IO, -EDOM); assert_return(!event_pid_changed(s->event), -ECHILD); diff --git a/src/libsystemd/sd-login/sd-login.c b/src/libsystemd/sd-login/sd-login.c index e3885ecba6..9bbf8974dd 100644 --- a/src/libsystemd/sd-login/sd-login.c +++ b/src/libsystemd/sd-login/sd-login.c @@ -94,7 +94,7 @@ _public_ int sd_peer_get_session(int fd, char **session) { struct ucred ucred = {}; int r; - assert_return(fd >= 0, -EINVAL); + assert_return(fd >= 0, -EBADF); assert_return(session, -EINVAL); r = getpeercred(fd, &ucred); @@ -108,7 +108,7 @@ _public_ int sd_peer_get_owner_uid(int fd, uid_t *uid) { struct ucred ucred; int r; - assert_return(fd >= 0, -EINVAL); + assert_return(fd >= 0, -EBADF); assert_return(uid, -EINVAL); r = getpeercred(fd, &ucred); @@ -122,7 +122,7 @@ _public_ int sd_peer_get_unit(int fd, char **unit) { struct ucred ucred; int r; - assert_return(fd >= 0, -EINVAL); + assert_return(fd >= 0, -EBADF); assert_return(unit, -EINVAL); r = getpeercred(fd, &ucred); @@ -136,7 +136,7 @@ _public_ int sd_peer_get_user_unit(int fd, char **unit) { struct ucred ucred; int r; - assert_return(fd >= 0, -EINVAL); + assert_return(fd >= 0, -EBADF); assert_return(unit, -EINVAL); r = getpeercred(fd, &ucred); @@ -150,7 +150,7 @@ _public_ int sd_peer_get_machine_name(int fd, char **machine) { struct ucred ucred; int r; - assert_return(fd >= 0, -EINVAL); + assert_return(fd >= 0, -EBADF); assert_return(machine, -EINVAL); r = getpeercred(fd, &ucred); @@ -164,7 +164,7 @@ _public_ int sd_peer_get_slice(int fd, char **slice) { struct ucred ucred; int r; - assert_return(fd >= 0, -EINVAL); + assert_return(fd >= 0, -EBADF); assert_return(slice, -EINVAL); r = getpeercred(fd, &ucred); @@ -178,7 +178,7 @@ _public_ int sd_peer_get_user_slice(int fd, char **slice) { struct ucred ucred; int r; - assert_return(fd >= 0, -EINVAL); + assert_return(fd >= 0, -EBADF); assert_return(slice, -EINVAL); r = getpeercred(fd, &ucred); diff --git a/src/libsystemd/sd-netlink/sd-netlink.c b/src/libsystemd/sd-netlink/sd-netlink.c index c413b1c266..d248869c8d 100644 --- a/src/libsystemd/sd-netlink/sd-netlink.c +++ b/src/libsystemd/sd-netlink/sd-netlink.c @@ -106,7 +106,7 @@ int sd_netlink_open_fd(sd_netlink **ret, int fd) { int r; assert_return(ret, -EINVAL); - assert_return(fd >= 0, -EINVAL); + assert_return(fd >= 0, -EBADF); r = sd_netlink_new(&rtnl); if (r < 0) diff --git a/src/resolve-host/resolve-host.c b/src/resolve-host/resolve-host.c index 4d557bdf02..7525d7c32f 100644 --- a/src/resolve-host/resolve-host.c +++ b/src/resolve-host/resolve-host.c @@ -41,7 +41,8 @@ static uint16_t arg_class = 0; static bool arg_legend = true; static uint64_t arg_flags = 0; -static void print_source(int ifindex, uint64_t flags) { +static void print_source(int ifindex, uint64_t flags, usec_t rtt) { + char rtt_str[FORMAT_TIMESTAMP_MAX]; if (!arg_legend) return; @@ -62,6 +63,10 @@ static void print_source(int ifindex, uint64_t flags) { printf(" interface %s", strna(if_indextoname(ifindex, ifname))); } + assert_se(format_timespan(rtt_str, sizeof(rtt_str), rtt, 100)); + + printf(" in %s", rtt_str); + fputc('.', stdout); fputc('\n', stdout); } @@ -74,6 +79,7 @@ static int resolve_host(sd_bus *bus, const char *name) { unsigned c = 0; int r, ifindex; uint64_t flags; + usec_t ts; assert(name); @@ -93,12 +99,16 @@ static int resolve_host(sd_bus *bus, const char *name) { if (r < 0) return bus_log_create_error(r); + ts = now(CLOCK_MONOTONIC); + r = sd_bus_call(bus, req, DNS_CALL_TIMEOUT_USEC, &error, &reply); if (r < 0) { log_error("%s: resolve call failed: %s", name, bus_error_message(&error, r)); return r; } + ts = now(CLOCK_MONOTONIC) - ts; + r = sd_bus_message_read(reply, "i", &ifindex); if (r < 0) return bus_log_parse_error(r); @@ -182,7 +192,7 @@ static int resolve_host(sd_bus *bus, const char *name) { return -ESRCH; } - print_source(ifindex, flags); + print_source(ifindex, flags, ts); return 0; } @@ -195,6 +205,7 @@ static int resolve_address(sd_bus *bus, int family, const union in_addr_union *a uint64_t flags; unsigned c = 0; const char *n; + usec_t ts; int r; assert(bus); @@ -243,12 +254,16 @@ static int resolve_address(sd_bus *bus, int family, const union in_addr_union *a if (r < 0) return bus_log_create_error(r); + ts = now(CLOCK_MONOTONIC); + r = sd_bus_call(bus, req, DNS_CALL_TIMEOUT_USEC, &error, &reply); if (r < 0) { log_error("%s: resolve call failed: %s", pretty, bus_error_message(&error, r)); return r; } + ts = now(CLOCK_MONOTONIC) - ts; + r = sd_bus_message_read(reply, "i", &ifindex); if (r < 0) return bus_log_parse_error(r); @@ -283,7 +298,7 @@ static int resolve_address(sd_bus *bus, int family, const union in_addr_union *a return -ESRCH; } - print_source(ifindex, flags); + print_source(ifindex, flags, ts); return 0; } @@ -321,6 +336,7 @@ static int resolve_record(sd_bus *bus, const char *name) { unsigned n = 0; uint64_t flags; int r, ifindex; + usec_t ts; assert(name); @@ -341,12 +357,16 @@ static int resolve_record(sd_bus *bus, const char *name) { if (r < 0) return bus_log_create_error(r); + ts = now(CLOCK_MONOTONIC); + r = sd_bus_call(bus, req, DNS_CALL_TIMEOUT_USEC, &error, &reply); if (r < 0) { log_error("%s: resolve call failed: %s", name, bus_error_message(&error, r)); return r; } + ts = now(CLOCK_MONOTONIC) - ts; + r = sd_bus_message_read(reply, "i", &ifindex); if (r < 0) return bus_log_parse_error(r); @@ -414,7 +434,7 @@ static int resolve_record(sd_bus *bus, const char *name) { return -ESRCH; } - print_source(ifindex, flags); + print_source(ifindex, flags, ts); return 0; } diff --git a/src/resolve/resolved-dns-cache.c b/src/resolve/resolved-dns-cache.c index 9ffaf4b19f..81ea1cafcb 100644 --- a/src/resolve/resolved-dns-cache.c +++ b/src/resolve/resolved-dns-cache.c @@ -95,14 +95,19 @@ void dns_cache_flush(DnsCache *c) { c->by_expiry = prioq_free(c->by_expiry); } -static void dns_cache_remove(DnsCache *c, DnsResourceKey *key) { +static bool dns_cache_remove(DnsCache *c, DnsResourceKey *key) { DnsCacheItem *i; + bool exist = false; assert(c); assert(key); - while ((i = hashmap_get(c->by_key, key))) + while ((i = hashmap_get(c->by_key, key))) { dns_cache_item_remove_and_free(c, i); + exist = true; + } + + return exist; } static void dns_cache_make_space(DnsCache *c, unsigned add) { @@ -263,6 +268,7 @@ static int dns_cache_put_positive( const union in_addr_union *owner_address) { _cleanup_(dns_cache_item_freep) DnsCacheItem *i = NULL; + _cleanup_free_ char *key_str = NULL; DnsCacheItem *existing; int r; @@ -272,7 +278,14 @@ static int dns_cache_put_positive( /* New TTL is 0? Delete the entry... */ if (rr->ttl <= 0) { - dns_cache_remove(c, rr->key); + if (dns_cache_remove(c, rr->key)) { + r = dns_resource_key_to_string(rr->key, &key_str); + if (r < 0) + return r; + + log_debug("Removed zero TTL entry from cache: %s", key_str); + } + return 0; } @@ -311,6 +324,12 @@ static int dns_cache_put_positive( if (r < 0) return r; + r = dns_resource_key_to_string(i->key, &key_str); + if (r < 0) + return r; + + log_debug("Added cache entry for %s", key_str); + i = NULL; return 0; } @@ -325,6 +344,7 @@ static int dns_cache_put_negative( const union in_addr_union *owner_address) { _cleanup_(dns_cache_item_freep) DnsCacheItem *i = NULL; + _cleanup_free_ char *key_str = NULL; int r; assert(c); @@ -337,8 +357,15 @@ static int dns_cache_put_negative( return 0; if (key->type == DNS_TYPE_ANY) return 0; - if (soa_ttl <= 0) + if (soa_ttl <= 0) { + r = dns_resource_key_to_string(key, &key_str); + if (r < 0) + return r; + + log_debug("Ignored negative cache entry with zero SOA TTL: %s", key_str); + return 0; + } if (!IN_SET(rcode, DNS_RCODE_SUCCESS, DNS_RCODE_NXDOMAIN)) return 0; @@ -364,6 +391,12 @@ static int dns_cache_put_negative( if (r < 0) return r; + r = dns_resource_key_to_string(i->key, &key_str); + if (r < 0) + return r; + + log_debug("Added %s cache entry for %s", i->type == DNS_CACHE_NODATA ? "NODATA" : "NXDOMAIN", key_str); + i = NULL; return 0; } @@ -468,11 +501,19 @@ int dns_cache_lookup(DnsCache *c, DnsQuestion *q, int *rcode, DnsAnswer **ret) { } for (i = 0; i < q->n_keys; i++) { + _cleanup_free_ char *key_str = NULL; DnsCacheItem *j; if (q->keys[i]->type == DNS_TYPE_ANY || q->keys[i]->class == DNS_CLASS_ANY) { /* If we have ANY lookups we simply refresh */ + + r = dns_resource_key_to_string(q->keys[i], &key_str); + if (r < 0) + return r; + + log_debug("Ignoring cache for ANY lookup: %s", key_str); + *ret = NULL; *rcode = 0; return 0; @@ -481,9 +522,24 @@ int dns_cache_lookup(DnsCache *c, DnsQuestion *q, int *rcode, DnsAnswer **ret) { j = hashmap_get(c->by_key, q->keys[i]); if (!j) { /* If one question cannot be answered we need to refresh */ + + r = dns_resource_key_to_string(q->keys[i], &key_str); + if (r < 0) + return r; + + log_debug("Cache miss for %s", key_str); + *ret = NULL; *rcode = 0; return 0; + } else { + r = dns_resource_key_to_string(j->key, &key_str); + if (r < 0) + return r; + + log_debug("%s cache hit for %s", + j->type == DNS_CACHE_POSITIVE ? "Positive" : + (j->type == DNS_CACHE_NODATA ? "NODATA" : "NXDOMAIN"), key_str); } LIST_FOREACH(by_key, j, j) { diff --git a/src/resolve/resolved-dns-packet.c b/src/resolve/resolved-dns-packet.c index 39951a362c..35ad899544 100644 --- a/src/resolve/resolved-dns-packet.c +++ b/src/resolve/resolved-dns-packet.c @@ -1712,7 +1712,7 @@ int dns_packet_read_rr(DnsPacket *p, DnsResourceRecord **ret, size_t *start) { if (r < 0) goto fail; - r = dns_packet_read_type_windows(p, &rr->nsec.types, offset + rdlength - p->rindex, NULL); + r = dns_packet_read_type_windows(p, &rr->nsec3.types, offset + rdlength - p->rindex, NULL); if (r < 0) goto fail; diff --git a/src/resolve/resolved-dns-transaction.c b/src/resolve/resolved-dns-transaction.c index 53779f3372..2d9d1a47ee 100644 --- a/src/resolve/resolved-dns-transaction.c +++ b/src/resolve/resolved-dns-transaction.c @@ -624,7 +624,6 @@ int dns_transaction_go(DnsTransaction *t) { if (r < 0) return r; if (r > 0) { - log_debug("Cache hit!"); if (t->cached_rcode == DNS_RCODE_SUCCESS) dns_transaction_complete(t, DNS_TRANSACTION_SUCCESS); else @@ -661,8 +660,6 @@ int dns_transaction_go(DnsTransaction *t) { return 0; } - log_debug("Cache miss!"); - /* Otherwise, we need to ask the network */ r = dns_transaction_make_packet(t); if (r == -EDOM) { |