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-rw-r--r--src/basic/journal-importer.c3
-rw-r--r--src/basic/parse-util.c1
-rw-r--r--src/basic/rm-rf.c7
-rw-r--r--src/core/busname.c4
-rw-r--r--src/journal/journald-native.c2
-rw-r--r--src/libsystemd-network/sd-lldp.c1
-rw-r--r--src/machine/machinectl.c1
-rw-r--r--src/network/networkd-network.c2
-rw-r--r--src/resolve/resolved-gperf.gperf1
-rw-r--r--src/resolve/resolved-link.c17
-rw-r--r--src/resolve/resolved-llmnr.c194
-rw-r--r--src/resolve/resolved-manager.c8
-rw-r--r--src/resolve/resolved-mdns.c102
-rw-r--r--src/resolve/resolved.conf.in1
-rw-r--r--src/shared/base-filesystem.c2
-rw-r--r--src/shared/pager.c4
-rw-r--r--src/sulogin-shell/.gitignore1
-rwxr-xr-xsrc/sulogin-shell/systemd-sulogin-shell.in14
-rw-r--r--src/systemctl/systemctl.c1
-rw-r--r--src/systemd/sd-event.h2
-rw-r--r--src/sysv-generator/sysv-generator.c3
-rw-r--r--src/test/test-sizeof.c14
22 files changed, 273 insertions, 112 deletions
diff --git a/src/basic/journal-importer.c b/src/basic/journal-importer.c
index d25fd358e8..66119d2de1 100644
--- a/src/basic/journal-importer.c
+++ b/src/basic/journal-importer.c
@@ -24,6 +24,7 @@
#include "fd-util.h"
#include "parse-util.h"
#include "string-util.h"
+#include "unaligned.h"
enum {
IMPORTER_STATE_LINE = 0, /* waiting to read, or reading line */
@@ -203,7 +204,7 @@ static int get_data_size(JournalImporter *imp) {
if (r <= 0)
return r;
- imp->data_size = le64toh( *(uint64_t *) data );
+ imp->data_size = unaligned_read_le64(data);
if (imp->data_size > DATA_SIZE_MAX) {
log_error("Stream declares field with size %zu > DATA_SIZE_MAX = %u",
imp->data_size, DATA_SIZE_MAX);
diff --git a/src/basic/parse-util.c b/src/basic/parse-util.c
index 6e58ced6f5..d86700736d 100644
--- a/src/basic/parse-util.c
+++ b/src/basic/parse-util.c
@@ -23,7 +23,6 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <xlocale.h>
#include "alloc-util.h"
#include "extract-word.h"
diff --git a/src/basic/rm-rf.c b/src/basic/rm-rf.c
index 08497af729..bdaca264ff 100644
--- a/src/basic/rm-rf.c
+++ b/src/basic/rm-rf.c
@@ -187,6 +187,13 @@ int rm_rf(const char *path, RemoveFlags flags) {
return -EPERM;
}
+ /* Another safe-check. Removing "/path/.." could easily remove entire root as well.
+ * It's especially easy to do using globs in tmpfiles, like "/path/.*", which the glob()
+ * function expands to both "/path/." and "/path/..".
+ * Return -EINVAL to be consistent with rmdir("/path/."). */
+ if (endswith(path, "/..") || endswith(path, "/../"))
+ return -EINVAL;
+
if ((flags & (REMOVE_SUBVOLUME|REMOVE_ROOT|REMOVE_PHYSICAL)) == (REMOVE_SUBVOLUME|REMOVE_ROOT|REMOVE_PHYSICAL)) {
/* Try to remove as subvolume first */
r = btrfs_subvol_remove(path, BTRFS_REMOVE_RECURSIVE|BTRFS_REMOVE_QUOTA);
diff --git a/src/core/busname.c b/src/core/busname.c
index 88b758eecb..955f6f88d8 100644
--- a/src/core/busname.c
+++ b/src/core/busname.c
@@ -764,7 +764,7 @@ static int busname_peek_message(BusName *n) {
struct kdbus_item *d;
struct kdbus_msg *k;
size_t start, ps, sz, delta;
- void *p = NULL;
+ void *p = MAP_FAILED;
pid_t pid = 0;
int r;
@@ -825,7 +825,7 @@ static int busname_peek_message(BusName *n) {
r = 0;
finish:
- if (p)
+ if (p != MAP_FAILED)
(void) munmap(p, sz);
cmd_free.offset = cmd_recv.msg.offset;
diff --git a/src/journal/journald-native.c b/src/journal/journald-native.c
index 3c03b83754..c9bf3832c7 100644
--- a/src/journal/journald-native.c
+++ b/src/journal/journald-native.c
@@ -279,7 +279,7 @@ void server_process_native_message(
if (message) {
if (s->forward_to_syslog)
- server_forward_syslog(s, priority, identifier, message, ucred, tv);
+ server_forward_syslog(s, syslog_fixup_facility(priority), identifier, message, ucred, tv);
if (s->forward_to_kmsg)
server_forward_kmsg(s, priority, identifier, message, ucred);
diff --git a/src/libsystemd-network/sd-lldp.c b/src/libsystemd-network/sd-lldp.c
index 0702241506..39ddb2461a 100644
--- a/src/libsystemd-network/sd-lldp.c
+++ b/src/libsystemd-network/sd-lldp.c
@@ -19,6 +19,7 @@
***/
#include <arpa/inet.h>
+#include <linux/sockios.h>
#include "sd-lldp.h"
diff --git a/src/machine/machinectl.c b/src/machine/machinectl.c
index 28384286fb..3031ed5def 100644
--- a/src/machine/machinectl.c
+++ b/src/machine/machinectl.c
@@ -340,6 +340,7 @@ static int list_machines(int argc, char *argv[], void *userdata) {
printf("No machines.\n");
}
+ r = 0;
out:
clean_machine_info(machines, n_machines);
return r;
diff --git a/src/network/networkd-network.c b/src/network/networkd-network.c
index ab372568de..fac42d8478 100644
--- a/src/network/networkd-network.c
+++ b/src/network/networkd-network.c
@@ -428,7 +428,7 @@ int network_apply(Network *network, Link *link) {
if (network->ipv4ll_route) {
Route *route;
- r = route_new_static(network, "Network", 0, &route);
+ r = route_new_static(network, NULL, 0, &route);
if (r < 0)
return r;
diff --git a/src/resolve/resolved-gperf.gperf b/src/resolve/resolved-gperf.gperf
index 446f85cdf4..5153563b99 100644
--- a/src/resolve/resolved-gperf.gperf
+++ b/src/resolve/resolved-gperf.gperf
@@ -18,6 +18,7 @@ Resolve.DNS, config_parse_dns_servers, DNS_SERVER_SYSTEM,
Resolve.FallbackDNS, config_parse_dns_servers, DNS_SERVER_FALLBACK, 0
Resolve.Domains, config_parse_search_domains, 0, 0
Resolve.LLMNR, config_parse_resolve_support, 0, offsetof(Manager, llmnr_support)
+Resolve.MulticastDNS, config_parse_resolve_support, 0, offsetof(Manager, mdns_support)
Resolve.DNSSEC, config_parse_dnssec_mode, 0, offsetof(Manager, dnssec_mode)
Resolve.Cache, config_parse_bool, 0, offsetof(Manager, enable_cache)
Resolve.DNSStubListener, config_parse_dns_stub_listener_mode, 0, offsetof(Manager, dns_stub_listener_mode)
diff --git a/src/resolve/resolved-link.c b/src/resolve/resolved-link.c
index 3f7f9035cf..d06096f3f2 100644
--- a/src/resolve/resolved-link.c
+++ b/src/resolve/resolved-link.c
@@ -28,6 +28,8 @@
#include "mkdir.h"
#include "parse-util.h"
#include "resolved-link.h"
+#include "resolved-llmnr.h"
+#include "resolved-mdns.h"
#include "string-util.h"
#include "strv.h"
@@ -523,10 +525,25 @@ static void link_read_settings(Link *l) {
}
int link_update(Link *l) {
+ int r;
+
assert(l);
link_read_settings(l);
link_load_user(l);
+
+ if (l->llmnr_support != RESOLVE_SUPPORT_NO) {
+ r = manager_llmnr_start(l->manager);
+ if (r < 0)
+ return r;
+ }
+
+ if (l->mdns_support != RESOLVE_SUPPORT_NO) {
+ r = manager_mdns_start(l->manager);
+ if (r < 0)
+ return r;
+ }
+
link_allocate_scopes(l);
link_add_rrs(l, false);
diff --git a/src/resolve/resolved-llmnr.c b/src/resolve/resolved-llmnr.c
index 3516af58ee..29396e9973 100644
--- a/src/resolve/resolved-llmnr.c
+++ b/src/resolve/resolved-llmnr.c
@@ -77,7 +77,7 @@ int manager_llmnr_start(Manager *m) {
return 0;
eaddrinuse:
- log_warning("There appears to be another LLMNR responder running. Turning off LLMNR support.");
+ log_warning("Another LLMNR responder prohibits binding the socket to the same port. Turning off LLMNR support.");
m->llmnr_support = RESOLVE_SUPPORT_NO;
manager_llmnr_stop(m);
@@ -136,56 +136,75 @@ int manager_llmnr_ipv4_udp_fd(Manager *m) {
m->llmnr_ipv4_udp_fd = socket(AF_INET, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);
if (m->llmnr_ipv4_udp_fd < 0)
- return -errno;
+ return log_error_errno(errno, "LLMNR-IPv4(UDP): Failed to create socket: %m");
/* RFC 4795, section 2.5 recommends setting the TTL of UDP packets to 255. */
r = setsockopt(m->llmnr_ipv4_udp_fd, IPPROTO_IP, IP_TTL, &ttl, sizeof(ttl));
if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "LLMNR-IPv4(UDP): Failed to set IP_TTL: %m");
goto fail;
}
r = setsockopt(m->llmnr_ipv4_udp_fd, IPPROTO_IP, IP_MULTICAST_TTL, &ttl, sizeof(ttl));
if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "LLMNR-IPv4(UDP): Failed to set IP_MULTICAST_TTL: %m");
goto fail;
}
r = setsockopt(m->llmnr_ipv4_udp_fd, IPPROTO_IP, IP_MULTICAST_LOOP, &one, sizeof(one));
if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = setsockopt(m->llmnr_ipv4_udp_fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one));
- if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "LLMNR-IPv4(UDP): Failed to set IP_MULTICAST_LOOP: %m");
goto fail;
}
r = setsockopt(m->llmnr_ipv4_udp_fd, IPPROTO_IP, IP_PKTINFO, &one, sizeof(one));
if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "LLMNR-IPv4(UDP): Failed to set IP_PKTINFO: %m");
goto fail;
}
r = setsockopt(m->llmnr_ipv4_udp_fd, IPPROTO_IP, IP_RECVTTL, &one, sizeof(one));
if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "LLMNR-IPv4(UDP): Failed to set IP_RECVTTL: %m");
goto fail;
}
/* Disable Don't-Fragment bit in the IP header */
r = setsockopt(m->llmnr_ipv4_udp_fd, IPPROTO_IP, IP_MTU_DISCOVER, &pmtu, sizeof(pmtu));
if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "LLMNR-IPv4(UDP): Failed to set IP_MTU_DISCOVER: %m");
goto fail;
}
+ /* first try to bind without SO_REUSEADDR to detect another LLMNR responder */
r = bind(m->llmnr_ipv4_udp_fd, &sa.sa, sizeof(sa.in));
if (r < 0) {
- r = -errno;
- goto fail;
+ if (errno != EADDRINUSE) {
+ r = log_error_errno(errno, "LLMNR-IPv4(UDP): Failed to bind socket: %m");
+ goto fail;
+ }
+
+ log_warning("LLMNR-IPv4(UDP): There appears to be another LLMNR responder running, or previously systemd-resolved crashed with some outstanding transfers.");
+
+ /* try again with SO_REUSEADDR */
+ r = setsockopt(m->llmnr_ipv4_udp_fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one));
+ if (r < 0) {
+ r = log_error_errno(errno, "LLMNR-IPv4(UDP): Failed to set SO_REUSEADDR: %m");
+ goto fail;
+ }
+
+ r = bind(m->llmnr_ipv4_udp_fd, &sa.sa, sizeof(sa.in));
+ if (r < 0) {
+ r = log_error_errno(errno, "LLMNR-IPv4(UDP): Failed to bind socket: %m");
+ goto fail;
+ }
+ } else {
+ /* enable SO_REUSEADDR for the case that the user really wants multiple LLMNR responders */
+ r = setsockopt(m->llmnr_ipv4_udp_fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one));
+ if (r < 0) {
+ r = log_error_errno(errno, "LLMNR-IPv4(UDP): Failed to set SO_REUSEADDR: %m");
+ goto fail;
+ }
}
r = sd_event_add_io(m->event, &m->llmnr_ipv4_udp_event_source, m->llmnr_ipv4_udp_fd, EPOLLIN, on_llmnr_packet, m);
@@ -216,55 +235,74 @@ int manager_llmnr_ipv6_udp_fd(Manager *m) {
m->llmnr_ipv6_udp_fd = socket(AF_INET6, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);
if (m->llmnr_ipv6_udp_fd < 0)
- return -errno;
+ return log_error_errno(errno, "LLMNR-IPv6(UDP): Failed to create socket: %m");
r = setsockopt(m->llmnr_ipv6_udp_fd, IPPROTO_IPV6, IPV6_UNICAST_HOPS, &ttl, sizeof(ttl));
if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "LLMNR-IPv6(UDP): Failed to set IPV6_UNICAST_HOPS: %m");
goto fail;
}
/* RFC 4795, section 2.5 recommends setting the TTL of UDP packets to 255. */
r = setsockopt(m->llmnr_ipv6_udp_fd, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, &ttl, sizeof(ttl));
if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "LLMNR-IPv6(UDP): Failed to set IPV6_MULTICAST_HOPS: %m");
goto fail;
}
r = setsockopt(m->llmnr_ipv6_udp_fd, IPPROTO_IPV6, IPV6_MULTICAST_LOOP, &one, sizeof(one));
if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "LLMNR-IPv6(UDP): Failed to set IPV6_MULTICAST_LOOP: %m");
goto fail;
}
r = setsockopt(m->llmnr_ipv6_udp_fd, IPPROTO_IPV6, IPV6_V6ONLY, &one, sizeof(one));
if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = setsockopt(m->llmnr_ipv6_udp_fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one));
- if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "LLMNR-IPv6(UDP): Failed to set IPV6_V6ONLY: %m");
goto fail;
}
r = setsockopt(m->llmnr_ipv6_udp_fd, IPPROTO_IPV6, IPV6_RECVPKTINFO, &one, sizeof(one));
if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "LLMNR-IPv6(UDP): Failed to set IPV6_RECVPKTINFO: %m");
goto fail;
}
r = setsockopt(m->llmnr_ipv6_udp_fd, IPPROTO_IPV6, IPV6_RECVHOPLIMIT, &one, sizeof(one));
if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "LLMNR-IPv6(UDP): Failed to set IPV6_RECVHOPLIMIT: %m");
goto fail;
}
+ /* first try to bind without SO_REUSEADDR to detect another LLMNR responder */
r = bind(m->llmnr_ipv6_udp_fd, &sa.sa, sizeof(sa.in6));
if (r < 0) {
- r = -errno;
- goto fail;
+ if (errno != EADDRINUSE) {
+ r = log_error_errno(errno, "LLMNR-IPv6(UDP): Failed to bind socket: %m");
+ goto fail;
+ }
+
+ log_warning("LLMNR-IPv6(UDP): There appears to be another LLMNR responder running, or previously systemd-resolved crashed with some outstanding transfers.");
+
+ /* try again with SO_REUSEADDR */
+ r = setsockopt(m->llmnr_ipv6_udp_fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one));
+ if (r < 0) {
+ r = log_error_errno(errno, "LLMNR-IPv6(UDP): Failed to set SO_REUSEADDR: %m");
+ goto fail;
+ }
+
+ r = bind(m->llmnr_ipv6_udp_fd, &sa.sa, sizeof(sa.in6));
+ if (r < 0) {
+ r = log_error_errno(errno, "LLMNR-IPv6(UDP): Failed to bind socket: %m");
+ goto fail;
+ }
+ } else {
+ /* enable SO_REUSEADDR for the case that the user really wants multiple LLMNR responders */
+ r = setsockopt(m->llmnr_ipv6_udp_fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one));
+ if (r < 0) {
+ r = log_error_errno(errno, "LLMNR-IPv6(UDP): Failed to set SO_REUSEADDR: %m");
+ goto fail;
+ }
}
r = sd_event_add_io(m->event, &m->llmnr_ipv6_udp_event_source, m->llmnr_ipv6_udp_fd, EPOLLIN, on_llmnr_packet, m);
@@ -338,49 +376,68 @@ int manager_llmnr_ipv4_tcp_fd(Manager *m) {
m->llmnr_ipv4_tcp_fd = socket(AF_INET, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);
if (m->llmnr_ipv4_tcp_fd < 0)
- return -errno;
+ return log_error_errno(errno, "LLMNR-IPv4(TCP): Failed to create socket: %m");
/* RFC 4795, section 2.5. requires setting the TTL of TCP streams to 1 */
r = setsockopt(m->llmnr_ipv4_tcp_fd, IPPROTO_IP, IP_TTL, &one, sizeof(one));
if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = setsockopt(m->llmnr_ipv4_tcp_fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one));
- if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "LLMNR-IPv4(TCP): Failed to set IP_TTL: %m");
goto fail;
}
r = setsockopt(m->llmnr_ipv4_tcp_fd, IPPROTO_IP, IP_PKTINFO, &one, sizeof(one));
if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "LLMNR-IPv4(TCP): Failed to set IP_PKTINFO: %m");
goto fail;
}
r = setsockopt(m->llmnr_ipv4_tcp_fd, IPPROTO_IP, IP_RECVTTL, &one, sizeof(one));
if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "LLMNR-IPv4(TCP): Failed to set IP_RECVTTL: %m");
goto fail;
}
/* Disable Don't-Fragment bit in the IP header */
r = setsockopt(m->llmnr_ipv4_tcp_fd, IPPROTO_IP, IP_MTU_DISCOVER, &pmtu, sizeof(pmtu));
if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "LLMNR-IPv4(TCP): Failed to set IP_MTU_DISCOVER: %m");
goto fail;
}
+ /* first try to bind without SO_REUSEADDR to detect another LLMNR responder */
r = bind(m->llmnr_ipv4_tcp_fd, &sa.sa, sizeof(sa.in));
if (r < 0) {
- r = -errno;
- goto fail;
+ if (errno != EADDRINUSE) {
+ r = log_error_errno(errno, "LLMNR-IPv4(TCP): Failed to bind socket: %m");
+ goto fail;
+ }
+
+ log_warning("LLMNR-IPv4(TCP): There appears to be another LLMNR responder running, or previously systemd-resolved crashed with some outstanding transfers.");
+
+ /* try again with SO_REUSEADDR */
+ r = setsockopt(m->llmnr_ipv4_tcp_fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one));
+ if (r < 0) {
+ r = log_error_errno(errno, "LLMNR-IPv4(TCP): Failed to set SO_REUSEADDR: %m");
+ goto fail;
+ }
+
+ r = bind(m->llmnr_ipv4_tcp_fd, &sa.sa, sizeof(sa.in));
+ if (r < 0) {
+ r = log_error_errno(errno, "LLMNR-IPv4(TCP): Failed to bind socket: %m");
+ goto fail;
+ }
+ } else {
+ /* enable SO_REUSEADDR for the case that the user really wants multiple LLMNR responders */
+ r = setsockopt(m->llmnr_ipv4_tcp_fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one));
+ if (r < 0) {
+ r = log_error_errno(errno, "LLMNR-IPv4(TCP): Failed to set SO_REUSEADDR: %m");
+ goto fail;
+ }
}
r = listen(m->llmnr_ipv4_tcp_fd, SOMAXCONN);
if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "LLMNR-IPv4(TCP): Failed to listen the stream: %m");
goto fail;
}
@@ -412,48 +469,67 @@ int manager_llmnr_ipv6_tcp_fd(Manager *m) {
m->llmnr_ipv6_tcp_fd = socket(AF_INET6, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);
if (m->llmnr_ipv6_tcp_fd < 0)
- return -errno;
+ return log_error_errno(errno, "LLMNR-IPv6(TCP): Failed to create socket: %m");
/* RFC 4795, section 2.5. requires setting the TTL of TCP streams to 1 */
r = setsockopt(m->llmnr_ipv6_tcp_fd, IPPROTO_IPV6, IPV6_UNICAST_HOPS, &one, sizeof(one));
if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "LLMNR-IPv6(TCP): Failed to set IPV6_UNICAST_HOPS: %m");
goto fail;
}
r = setsockopt(m->llmnr_ipv6_tcp_fd, IPPROTO_IPV6, IPV6_V6ONLY, &one, sizeof(one));
if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = setsockopt(m->llmnr_ipv6_tcp_fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one));
- if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "LLMNR-IPv6(TCP): Failed to set IPV6_V6ONLY: %m");
goto fail;
}
r = setsockopt(m->llmnr_ipv6_tcp_fd, IPPROTO_IPV6, IPV6_RECVPKTINFO, &one, sizeof(one));
if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "LLMNR-IPv6(TCP): Failed to set IPV6_RECVPKTINFO: %m");
goto fail;
}
r = setsockopt(m->llmnr_ipv6_tcp_fd, IPPROTO_IPV6, IPV6_RECVHOPLIMIT, &one, sizeof(one));
if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "LLMNR-IPv6(TCP): Failed to set IPV6_RECVHOPLIMIT: %m");
goto fail;
}
+ /* first try to bind without SO_REUSEADDR to detect another LLMNR responder */
r = bind(m->llmnr_ipv6_tcp_fd, &sa.sa, sizeof(sa.in6));
if (r < 0) {
- r = -errno;
- goto fail;
+ if (errno != EADDRINUSE) {
+ r = log_error_errno(errno, "LLMNR-IPv6(TCP): Failed to bind socket: %m");
+ goto fail;
+ }
+
+ log_warning("LLMNR-IPv6(TCP): There appears to be another LLMNR responder running, or previously systemd-resolved crashed with some outstanding transfers.");
+
+ /* try again with SO_REUSEADDR */
+ r = setsockopt(m->llmnr_ipv6_tcp_fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one));
+ if (r < 0) {
+ r = log_error_errno(errno, "LLMNR-IPv6(TCP): Failed to set SO_REUSEADDR: %m");
+ goto fail;
+ }
+
+ r = bind(m->llmnr_ipv6_tcp_fd, &sa.sa, sizeof(sa.in6));
+ if (r < 0) {
+ r = log_error_errno(errno, "LLMNR-IPv6(TCP): Failed to bind socket: %m");
+ goto fail;
+ }
+ } else {
+ /* enable SO_REUSEADDR for the case that the user really wants multiple LLMNR responders */
+ r = setsockopt(m->llmnr_ipv6_tcp_fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one));
+ if (r < 0) {
+ r = log_error_errno(errno, "LLMNR-IPv6(TCP): Failed to set SO_REUSEADDR: %m");
+ goto fail;
+ }
}
r = listen(m->llmnr_ipv6_tcp_fd, SOMAXCONN);
if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "LLMNR-IPv6(TCP): Failed to listen the stream: %m");
goto fail;
}
diff --git a/src/resolve/resolved-manager.c b/src/resolve/resolved-manager.c
index c4e4409fe3..9db8b8f616 100644
--- a/src/resolve/resolved-manager.c
+++ b/src/resolve/resolved-manager.c
@@ -612,14 +612,6 @@ int manager_start(Manager *m) {
if (r < 0)
return r;
- r = manager_llmnr_start(m);
- if (r < 0)
- return r;
-
- r = manager_mdns_start(m);
- if (r < 0)
- return r;
-
return 0;
}
diff --git a/src/resolve/resolved-mdns.c b/src/resolve/resolved-mdns.c
index c40e8f75f0..415dc1a532 100644
--- a/src/resolve/resolved-mdns.c
+++ b/src/resolve/resolved-mdns.c
@@ -60,7 +60,7 @@ int manager_mdns_start(Manager *m) {
return 0;
eaddrinuse:
- log_warning("There appears to be another mDNS responder running. Turning off mDNS support.");
+ log_warning("Another mDNS responder prohibits binding the socket to the same port. Turning off mDNS support.");
m->mdns_support = RESOLVE_SUPPORT_NO;
manager_mdns_stop(m);
@@ -217,55 +217,75 @@ int manager_mdns_ipv4_fd(Manager *m) {
m->mdns_ipv4_fd = socket(AF_INET, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);
if (m->mdns_ipv4_fd < 0)
- return -errno;
+ return log_error_errno(errno, "mDNS-IPv4: Failed to create socket: %m");
r = setsockopt(m->mdns_ipv4_fd, IPPROTO_IP, IP_TTL, &ttl, sizeof(ttl));
if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "mDNS-IPv4: Failed to set IP_TTL: %m");
goto fail;
}
r = setsockopt(m->mdns_ipv4_fd, IPPROTO_IP, IP_MULTICAST_TTL, &ttl, sizeof(ttl));
if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "mDNS-IPv4: Failed to set IP_MULTICAST_TTL: %m");
goto fail;
}
r = setsockopt(m->mdns_ipv4_fd, IPPROTO_IP, IP_MULTICAST_LOOP, &one, sizeof(one));
if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = setsockopt(m->mdns_ipv4_fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one));
- if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "mDNS-IPv4: Failed to set IP_MULTICAST_LOOP: %m");
goto fail;
}
r = setsockopt(m->mdns_ipv4_fd, IPPROTO_IP, IP_PKTINFO, &one, sizeof(one));
if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "mDNS-IPv4: Failed to set IP_PKTINFO: %m");
goto fail;
}
r = setsockopt(m->mdns_ipv4_fd, IPPROTO_IP, IP_RECVTTL, &one, sizeof(one));
if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "mDNS-IPv4: Failed to set IP_RECVTTL: %m");
goto fail;
}
/* Disable Don't-Fragment bit in the IP header */
r = setsockopt(m->mdns_ipv4_fd, IPPROTO_IP, IP_MTU_DISCOVER, &pmtu, sizeof(pmtu));
if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "mDNS-IPv4: Failed to set IP_MTU_DISCOVER: %m");
goto fail;
}
+ /* See the section 15.1 of RFC6762 */
+ /* first try to bind without SO_REUSEADDR to detect another mDNS responder */
r = bind(m->mdns_ipv4_fd, &sa.sa, sizeof(sa.in));
if (r < 0) {
- r = -errno;
- goto fail;
+ if (errno != EADDRINUSE) {
+ r = log_error_errno(errno, "mDNS-IPv4: Failed to bind socket: %m");
+ goto fail;
+ }
+
+ log_warning("mDNS-IPv4: There appears to be another mDNS responder running, or previously systemd-resolved crashed with some outstanding transfers.");
+
+ /* try again with SO_REUSEADDR */
+ r = setsockopt(m->mdns_ipv4_fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one));
+ if (r < 0) {
+ r = log_error_errno(errno, "mDNS-IPv4: Failed to set SO_REUSEADDR: %m");
+ goto fail;
+ }
+
+ r = bind(m->mdns_ipv4_fd, &sa.sa, sizeof(sa.in));
+ if (r < 0) {
+ r = log_error_errno(errno, "mDNS-IPv4: Failed to bind socket: %m");
+ goto fail;
+ }
+ } else {
+ /* enable SO_REUSEADDR for the case that the user really wants multiple mDNS responders */
+ r = setsockopt(m->mdns_ipv4_fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one));
+ if (r < 0) {
+ r = log_error_errno(errno, "mDNS-IPv4: Failed to set SO_REUSEADDR: %m");
+ goto fail;
+ }
}
r = sd_event_add_io(m->event, &m->mdns_ipv4_event_source, m->mdns_ipv4_fd, EPOLLIN, on_mdns_packet, m);
@@ -294,55 +314,75 @@ int manager_mdns_ipv6_fd(Manager *m) {
m->mdns_ipv6_fd = socket(AF_INET6, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);
if (m->mdns_ipv6_fd < 0)
- return -errno;
+ return log_error_errno(errno, "mDNS-IPv6: Failed to create socket: %m");
r = setsockopt(m->mdns_ipv6_fd, IPPROTO_IPV6, IPV6_UNICAST_HOPS, &ttl, sizeof(ttl));
if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "mDNS-IPv6: Failed to set IPV6_UNICAST_HOPS: %m");
goto fail;
}
/* RFC 4795, section 2.5 recommends setting the TTL of UDP packets to 255. */
r = setsockopt(m->mdns_ipv6_fd, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, &ttl, sizeof(ttl));
if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "mDNS-IPv6: Failed to set IPV6_MULTICAST_HOPS: %m");
goto fail;
}
r = setsockopt(m->mdns_ipv6_fd, IPPROTO_IPV6, IPV6_MULTICAST_LOOP, &one, sizeof(one));
if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "mDNS-IPv6: Failed to set IPV6_MULTICAST_LOOP: %m");
goto fail;
}
r = setsockopt(m->mdns_ipv6_fd, IPPROTO_IPV6, IPV6_V6ONLY, &one, sizeof(one));
if (r < 0) {
- r = -errno;
- goto fail;
- }
-
- r = setsockopt(m->mdns_ipv6_fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one));
- if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "mDNS-IPv6: Failed to set IPV6_V6ONLY: %m");
goto fail;
}
r = setsockopt(m->mdns_ipv6_fd, IPPROTO_IPV6, IPV6_RECVPKTINFO, &one, sizeof(one));
if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "mDNS-IPv6: Failed to set IPV6_RECVPKTINFO: %m");
goto fail;
}
r = setsockopt(m->mdns_ipv6_fd, IPPROTO_IPV6, IPV6_RECVHOPLIMIT, &one, sizeof(one));
if (r < 0) {
- r = -errno;
+ r = log_error_errno(errno, "mDNS-IPv6: Failed to set IPV6_RECVHOPLIMIT: %m");
goto fail;
}
+ /* See the section 15.1 of RFC6762 */
+ /* first try to bind without SO_REUSEADDR to detect another mDNS responder */
r = bind(m->mdns_ipv6_fd, &sa.sa, sizeof(sa.in6));
if (r < 0) {
- r = -errno;
- goto fail;
+ if (errno != EADDRINUSE) {
+ r = log_error_errno(errno, "mDNS-IPv6: Failed to bind socket: %m");
+ goto fail;
+ }
+
+ log_warning("mDNS-IPv6: There appears to be another mDNS responder running, or previously systemd-resolved crashed with some outstanding transfers.");
+
+ /* try again with SO_REUSEADDR */
+ r = setsockopt(m->mdns_ipv6_fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one));
+ if (r < 0) {
+ r = log_error_errno(errno, "mDNS-IPv6: Failed to set SO_REUSEADDR: %m");
+ goto fail;
+ }
+
+ r = bind(m->mdns_ipv6_fd, &sa.sa, sizeof(sa.in6));
+ if (r < 0) {
+ r = log_error_errno(errno, "mDNS-IPv6: Failed to bind socket: %m");
+ goto fail;
+ }
+ } else {
+ /* enable SO_REUSEADDR for the case that the user really wants multiple mDNS responders */
+ r = setsockopt(m->mdns_ipv6_fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one));
+ if (r < 0) {
+ r = log_error_errno(errno, "mDNS-IPv6: Failed to set SO_REUSEADDR: %m");
+ goto fail;
+ }
}
r = sd_event_add_io(m->event, &m->mdns_ipv6_event_source, m->mdns_ipv6_fd, EPOLLIN, on_mdns_packet, m);
diff --git a/src/resolve/resolved.conf.in b/src/resolve/resolved.conf.in
index 60afa151e3..e6b20620e2 100644
--- a/src/resolve/resolved.conf.in
+++ b/src/resolve/resolved.conf.in
@@ -16,6 +16,7 @@
#FallbackDNS=@DNS_SERVERS@
#Domains=
#LLMNR=yes
+#MulticastDNS=yes
#DNSSEC=@DEFAULT_DNSSEC_MODE@
#Cache=yes
#DNSStubListener=udp
diff --git a/src/shared/base-filesystem.c b/src/shared/base-filesystem.c
index 127cbe44e3..f2d8bcf6e3 100644
--- a/src/shared/base-filesystem.c
+++ b/src/shared/base-filesystem.c
@@ -117,6 +117,8 @@ int base_filesystem_create(const char *root, uid_t uid, gid_t gid) {
if (!table[i].ignore_failure)
return -errno;
+
+ continue;
}
if (uid != UID_INVALID || gid != UID_INVALID) {
diff --git a/src/shared/pager.c b/src/shared/pager.c
index f00ba9e1e7..c1480a718b 100644
--- a/src/shared/pager.c
+++ b/src/shared/pager.c
@@ -161,8 +161,8 @@ void pager_close(void) {
return;
/* Inform pager that we are done */
- stdout = safe_fclose(stdout);
- stderr = safe_fclose(stderr);
+ safe_fclose(stdout);
+ safe_fclose(stderr);
(void) kill(pager_pid, SIGCONT);
(void) wait_for_terminate(pager_pid, NULL);
diff --git a/src/sulogin-shell/.gitignore b/src/sulogin-shell/.gitignore
new file mode 100644
index 0000000000..01a315524b
--- /dev/null
+++ b/src/sulogin-shell/.gitignore
@@ -0,0 +1 @@
+systemd-sulogin-shell
diff --git a/src/sulogin-shell/systemd-sulogin-shell.in b/src/sulogin-shell/systemd-sulogin-shell.in
new file mode 100755
index 0000000000..d4f32af5f9
--- /dev/null
+++ b/src/sulogin-shell/systemd-sulogin-shell.in
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+if [ -x /bin/plymouth ]; then
+ /bin/plymouth --wait quit
+fi
+
+cat <<EOF
+You are in $1 mode. After logging in, type "journalctl -xb" to view
+system logs, "systemctl reboot" to reboot, "systemctl default" or ^D to
+boot into default mode.
+EOF
+
+@SULOGIN@
+@SYSTEMCTL@ --job-mode=fail --no-block default
diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
index d78e56d777..cb9ca9ae1e 100644
--- a/src/systemctl/systemctl.c
+++ b/src/systemctl/systemctl.c
@@ -1780,6 +1780,7 @@ static int list_dependencies_one(
STRV_FOREACH(c, deps) {
if (strv_contains(*units, *c)) {
if (!arg_plain) {
+ printf(" ");
r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1);
if (r < 0)
return r;
diff --git a/src/systemd/sd-event.h b/src/systemd/sd-event.h
index cc26b7df55..f8cb895660 100644
--- a/src/systemd/sd-event.h
+++ b/src/systemd/sd-event.h
@@ -69,7 +69,7 @@ typedef int (*sd_event_handler_t)(sd_event_source *s, void *userdata);
typedef int (*sd_event_io_handler_t)(sd_event_source *s, int fd, uint32_t revents, void *userdata);
typedef int (*sd_event_time_handler_t)(sd_event_source *s, uint64_t usec, void *userdata);
typedef int (*sd_event_signal_handler_t)(sd_event_source *s, const struct signalfd_siginfo *si, void *userdata);
-#if defined __USE_POSIX199309 || defined __USE_XOPEN_EXTENDED
+#if defined _GNU_SOURCE || _POSIX_C_SOURCE >= 199309L
typedef int (*sd_event_child_handler_t)(sd_event_source *s, const siginfo_t *si, void *userdata);
#else
typedef void* sd_event_child_handler_t;
diff --git a/src/sysv-generator/sysv-generator.c b/src/sysv-generator/sysv-generator.c
index 9fde9b1884..9828078443 100644
--- a/src/sysv-generator/sysv-generator.c
+++ b/src/sysv-generator/sysv-generator.c
@@ -389,6 +389,9 @@ static int handle_provides(SysvStub *s, unsigned line, const char *full_text, co
r = strv_extend(&s->before, SPECIAL_NETWORK_TARGET);
if (r < 0)
return log_oom();
+ r = strv_extend(&s->wants, SPECIAL_NETWORK_TARGET);
+ if (r < 0)
+ return log_oom();
}
break;
diff --git a/src/test/test-sizeof.c b/src/test/test-sizeof.c
index 8f99a13772..36389b7710 100644
--- a/src/test/test-sizeof.c
+++ b/src/test/test-sizeof.c
@@ -17,7 +17,8 @@
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
-#include "log.h"
+#include <stdio.h>
+
#include "time-util.h"
/* Print information about various types. Useful when diagnosing
@@ -26,10 +27,10 @@
#pragma GCC diagnostic ignored "-Wtype-limits"
#define info(t) \
- log_info("%s → %zu bits%s", STRINGIFY(t), \
- sizeof(t)*CHAR_BIT, \
- strstr(STRINGIFY(t), "signed") ? "" : \
- ((t)-1 < (t)0 ? ", signed" : ", unsigned"));
+ printf("%s → %zu bits%s\n", STRINGIFY(t), \
+ sizeof(t)*CHAR_BIT, \
+ strstr(STRINGIFY(t), "signed") ? "" : \
+ ((t)-1 < (t)0 ? ", signed" : ", unsigned"));
int main(void) {
info(char);
@@ -39,6 +40,8 @@ int main(void) {
info(unsigned);
info(long unsigned);
info(long long unsigned);
+ info(__syscall_ulong_t);
+ info(__syscall_slong_t);
info(float);
info(double);
@@ -48,6 +51,7 @@ int main(void) {
info(ssize_t);
info(time_t);
info(usec_t);
+ info(__time_t);
return 0;
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2025-06-12 04:04:51 +0000