systemd: update code from upstream (2017-03-08)

This is a direct dump from systemd git on 2017-03-08, git commit
37377227ff47aa88c698c4b704d68d600d695c9f.

======

SYSTEMD_DIR=../systemd
COMMIT=37377227ff47aa88c698c4b704d68d600d695c9f

(
  cd "$SYSTEMD_DIR"
  git checkout "$COMMIT"
  git reset --hard
  git clean -fdx
)

git ls-files :/src/systemd/src/ | xargs -d '\n' rm -f

nm_copy_sd() {
    mkdir -p "./src/systemd/$(dirname "$1")"
    cp "$SYSTEMD_DIR/$1" "./src/systemd/$1"
}

nm_copy_sd "src/basic/alloc-util.c"
nm_copy_sd "src/basic/alloc-util.h"
nm_copy_sd "src/basic/async.h"
nm_copy_sd "src/basic/escape.c"
nm_copy_sd "src/basic/escape.h"
nm_copy_sd "src/basic/ether-addr-util.c"
nm_copy_sd "src/basic/ether-addr-util.h"
nm_copy_sd "src/basic/extract-word.c"
nm_copy_sd "src/basic/extract-word.h"
nm_copy_sd "src/basic/fileio.c"
nm_copy_sd "src/basic/fileio.h"
nm_copy_sd "src/basic/fd-util.c"
nm_copy_sd "src/basic/fd-util.h"
nm_copy_sd "src/basic/fs-util.c"
nm_copy_sd "src/basic/fs-util.h"
nm_copy_sd "src/basic/hash-funcs.c"
nm_copy_sd "src/basic/hash-funcs.h"
nm_copy_sd "src/basic/hashmap.c"
nm_copy_sd "src/basic/hashmap.h"
nm_copy_sd "src/basic/hexdecoct.c"
nm_copy_sd "src/basic/hexdecoct.h"
nm_copy_sd "src/basic/hostname-util.c"
nm_copy_sd "src/basic/hostname-util.h"
nm_copy_sd "src/basic/in-addr-util.c"
nm_copy_sd "src/basic/in-addr-util.h"
nm_copy_sd "src/basic/io-util.c"
nm_copy_sd "src/basic/io-util.h"
nm_copy_sd "src/basic/list.h"
nm_copy_sd "src/basic/log.h"
nm_copy_sd "src/basic/macro.h"
nm_copy_sd "src/basic/mempool.h"
nm_copy_sd "src/basic/mempool.c"
nm_copy_sd "src/basic/parse-util.c"
nm_copy_sd "src/basic/parse-util.h"
nm_copy_sd "src/basic/path-util.c"
nm_copy_sd "src/basic/path-util.h"
nm_copy_sd "src/basic/prioq.h"
nm_copy_sd "src/basic/prioq.c"
nm_copy_sd "src/basic/random-util.c"
nm_copy_sd "src/basic/random-util.h"
nm_copy_sd "src/basic/refcnt.h"
nm_copy_sd "src/basic/set.h"
nm_copy_sd "src/basic/signal-util.h"
nm_copy_sd "src/basic/siphash24.c"
nm_copy_sd "src/basic/siphash24.h"
nm_copy_sd "src/basic/socket-util.c"
nm_copy_sd "src/basic/socket-util.h"
nm_copy_sd "src/basic/sparse-endian.h"
nm_copy_sd "src/basic/stdio-util.h"
nm_copy_sd "src/basic/string-table.c"
nm_copy_sd "src/basic/string-table.h"
nm_copy_sd "src/basic/string-util.c"
nm_copy_sd "src/basic/string-util.h"
nm_copy_sd "src/basic/strv.c"
nm_copy_sd "src/basic/strv.h"
nm_copy_sd "src/basic/time-util.c"
nm_copy_sd "src/basic/time-util.h"
nm_copy_sd "src/basic/umask-util.h"
nm_copy_sd "src/basic/unaligned.h"
nm_copy_sd "src/basic/utf8.c"
nm_copy_sd "src/basic/utf8.h"
nm_copy_sd "src/basic/util.c"
nm_copy_sd "src/basic/util.h"
nm_copy_sd "src/libsystemd-network/arp-util.c"
nm_copy_sd "src/libsystemd-network/arp-util.h"
nm_copy_sd "src/libsystemd-network/dhcp6-internal.h"
nm_copy_sd "src/libsystemd-network/dhcp6-lease-internal.h"
nm_copy_sd "src/libsystemd-network/dhcp6-network.c"
nm_copy_sd "src/libsystemd-network/dhcp6-option.c"
nm_copy_sd "src/libsystemd-network/dhcp6-protocol.h"
nm_copy_sd "src/libsystemd-network/dhcp-identifier.c"
nm_copy_sd "src/libsystemd-network/dhcp-identifier.h"
nm_copy_sd "src/libsystemd-network/dhcp-internal.h"
nm_copy_sd "src/libsystemd-network/dhcp-lease-internal.h"
nm_copy_sd "src/libsystemd-network/dhcp-network.c"
nm_copy_sd "src/libsystemd-network/dhcp-option.c"
nm_copy_sd "src/libsystemd-network/dhcp-packet.c"
nm_copy_sd "src/libsystemd-network/dhcp-protocol.h"
nm_copy_sd "src/libsystemd-network/lldp-internal.h"
nm_copy_sd "src/libsystemd-network/lldp-neighbor.c"
nm_copy_sd "src/libsystemd-network/lldp-neighbor.h"
nm_copy_sd "src/libsystemd-network/lldp-network.c"
nm_copy_sd "src/libsystemd-network/lldp-network.h"
nm_copy_sd "src/libsystemd-network/network-internal.c"
nm_copy_sd "src/libsystemd-network/network-internal.h"
nm_copy_sd "src/libsystemd-network/sd-dhcp6-client.c"
nm_copy_sd "src/libsystemd-network/sd-dhcp6-lease.c"
nm_copy_sd "src/libsystemd-network/sd-dhcp-client.c"
nm_copy_sd "src/libsystemd-network/sd-dhcp-lease.c"
nm_copy_sd "src/libsystemd-network/sd-ipv4ll.c"
nm_copy_sd "src/libsystemd-network/sd-ipv4acd.c"
nm_copy_sd "src/libsystemd-network/sd-lldp.c"
nm_copy_sd "src/libsystemd/sd-event/sd-event.c"
nm_copy_sd "src/libsystemd/sd-id128/id128-util.c"
nm_copy_sd "src/libsystemd/sd-id128/id128-util.h"
nm_copy_sd "src/libsystemd/sd-id128/sd-id128.c"
nm_copy_sd "src/shared/dns-domain.c"
nm_copy_sd "src/shared/dns-domain.h"
nm_copy_sd "src/systemd/_sd-common.h"
nm_copy_sd "src/systemd/sd-dhcp6-client.h"
nm_copy_sd "src/systemd/sd-dhcp6-lease.h"
nm_copy_sd "src/systemd/sd-dhcp-client.h"
nm_copy_sd "src/systemd/sd-dhcp-lease.h"
nm_copy_sd "src/systemd/sd-event.h"
nm_copy_sd "src/systemd/sd-ndisc.h"
nm_copy_sd "src/systemd/sd-id128.h"
nm_copy_sd "src/systemd/sd-ipv4acd.h"
nm_copy_sd "src/systemd/sd-ipv4ll.h"
nm_copy_sd "src/systemd/sd-lldp.h"

19 files changed, 195 insertions, 201 deletions

diff --git a/src/systemd/src/basic/fileio.c b/src/systemd/src/basic/fileio.c
index c43b0583a4..7c2c2b38f5 100644
--- a/src/systemd/src/basic/fileio.c
+++ b/src/systemd/src/basic/fileio.c
@@ -30,6 +30,7 @@
 
 #include "alloc-util.h"
 #include "ctype.h"
+#include "env-util.h"
 #include "escape.h"
 #include "fd-util.h"
 #include "fileio.h"
@@ -553,13 +554,14 @@ static int parse_env_file_internal(
                 }
         }
 
-        if (state == PRE_VALUE ||
-            state == VALUE ||
-            state == VALUE_ESCAPE ||
-            state == SINGLE_QUOTE_VALUE ||
-            state == SINGLE_QUOTE_VALUE_ESCAPE ||
-            state == DOUBLE_QUOTE_VALUE ||
-            state == DOUBLE_QUOTE_VALUE_ESCAPE) {
+        if (IN_SET(state,
+                   PRE_VALUE,
+                   VALUE,
+                   VALUE_ESCAPE,
+                   SINGLE_QUOTE_VALUE,
+                   SINGLE_QUOTE_VALUE_ESCAPE,
+                   DOUBLE_QUOTE_VALUE,
+                   DOUBLE_QUOTE_VALUE_ESCAPE)) {
 
                 key[n_key] = 0;
 
@@ -586,14 +588,9 @@ fail:
         return r;
 }
 
-static int parse_env_file_push(
+static int check_utf8ness_and_warn(
                 const char *filename, unsigned line,
-                const char *key, char *value,
-                void *userdata,
-                int *n_pushed) {
-
-        const char *k;
-        va_list aq, *ap = userdata;
+                const char *key, char *value) {
 
         if (!utf8_is_valid(key)) {
                 _cleanup_free_ char *p = NULL;
@@ -611,6 +608,23 @@ static int parse_env_file_push(
                 return -EINVAL;
         }
 
+        return 0;
+}
+
+static int parse_env_file_push(
+                const char *filename, unsigned line,
+                const char *key, char *value,
+                void *userdata,
+                int *n_pushed) {
+
+        const char *k;
+        va_list aq, *ap = userdata;
+        int r;
+
+        r = check_utf8ness_and_warn(filename, line, key, value);
+        if (r < 0)
+                return r;
+
         va_copy(aq, *ap);
 
         while ((k = va_arg(aq, const char *))) {
@@ -662,27 +676,19 @@ static int load_env_file_push(
         char *p;
         int r;
 
-        if (!utf8_is_valid(key)) {
-                _cleanup_free_ char *t = utf8_escape_invalid(key);
-
-                log_error("%s:%u: invalid UTF-8 for key '%s', ignoring.", strna(filename), line, t);
-                return -EINVAL;
-        }
-
-        if (value && !utf8_is_valid(value)) {
-                _cleanup_free_ char *t = utf8_escape_invalid(value);
-
-                log_error("%s:%u: invalid UTF-8 value for key %s: '%s', ignoring.", strna(filename), line, key, t);
-                return -EINVAL;
-        }
+        r = check_utf8ness_and_warn(filename, line, key, value);
+        if (r < 0)
+                return r;
 
-        p = strjoin(key, "=", strempty(value));
+        p = strjoin(key, "=", value);
         if (!p)
                 return -ENOMEM;
 
-        r = strv_consume(m, p);
-        if (r < 0)
+        r = strv_env_replace(m, p);
+        if (r < 0) {
+                free(p);
                 return r;
+        }
 
         if (n_pushed)
                 (*n_pushed)++;
@@ -716,19 +722,9 @@ static int load_env_file_push_pairs(
         char ***m = userdata;
         int r;
 
-        if (!utf8_is_valid(key)) {
-                _cleanup_free_ char *t = utf8_escape_invalid(key);
-
-                log_error("%s:%u: invalid UTF-8 for key '%s', ignoring.", strna(filename), line, t);
-                return -EINVAL;
-        }
-
-        if (value && !utf8_is_valid(value)) {
-                _cleanup_free_ char *t = utf8_escape_invalid(value);
-
-                log_error("%s:%u: invalid UTF-8 value for key %s: '%s', ignoring.", strna(filename), line, key, t);
-                return -EINVAL;
-        }
+        r = check_utf8ness_and_warn(filename, line, key, value);
+        if (r < 0)
+                return r;
 
         r = strv_extend(m, key);
         if (r < 0)
@@ -767,6 +763,52 @@ int load_env_file_pairs(FILE *f, const char *fname, const char *newline, char **
         return 0;
 }
 
+static int merge_env_file_push(
+                const char *filename, unsigned line,
+                const char *key, char *value,
+                void *userdata,
+                int *n_pushed) {
+
+        char ***env = userdata;
+        char *expanded_value;
+
+        assert(env);
+
+        if (!value) {
+                log_error("%s:%u: invalid syntax (around \"%s\"), ignoring.", strna(filename), line, key);
+                return 0;
+        }
+
+        if (!env_name_is_valid(key)) {
+                log_error("%s:%u: invalid variable name \"%s\", ignoring.", strna(filename), line, key);
+                free(value);
+                return 0;
+        }
+
+        expanded_value = replace_env(value, *env,
+                                     REPLACE_ENV_USE_ENVIRONMENT|
+                                     REPLACE_ENV_ALLOW_BRACELESS|
+                                     REPLACE_ENV_ALLOW_EXTENDED);
+        if (!expanded_value)
+                return -ENOMEM;
+
+        free_and_replace(value, expanded_value);
+
+        return load_env_file_push(filename, line, key, value, env, n_pushed);
+}
+
+int merge_env_file(
+                char ***env,
+                FILE *f,
+                const char *fname) {
+
+        /* NOTE: this function supports braceful and braceless variable expansions,
+         * plus "extended" substitutions, unlike other exported parsing functions.
+         */
+
+        return parse_env_file_internal(f, fname, NEWLINE, merge_env_file_push, env, NULL);
+}
+
 static void write_env_var(FILE *f, const char *v) {
         const char *p;
 
@@ -1342,6 +1384,25 @@ int open_tmpfile_linkable(const char *target, int flags, char **ret_path) {
         return fd;
 }
 
+int open_serialization_fd(const char *ident) {
+        int fd = -1;
+
+        fd = memfd_create(ident, MFD_CLOEXEC);
+        if (fd < 0) {
+                const char *path;
+
+                path = getpid() == 1 ? "/run/systemd" : "/tmp";
+                fd = open_tmpfile_unlinkable(path, O_RDWR|O_CLOEXEC);
+                if (fd < 0)
+                        return fd;
+
+                log_debug("Serializing %s to %s.", ident, path);
+        } else
+                log_debug("Serializing %s to memfd.", ident);
+
+        return fd;
+}
+
 int link_tmpfile(int fd, const char *path, const char *target) {
 
         assert(fd >= 0);
diff --git a/src/systemd/src/basic/fileio.h b/src/systemd/src/basic/fileio.h
index 17b38a5d60..e547614cc4 100644
--- a/src/systemd/src/basic/fileio.h
+++ b/src/systemd/src/basic/fileio.h
@@ -48,6 +48,8 @@ int parse_env_file(const char *fname, const char *separator, ...) _sentinel_;
 int load_env_file(FILE *f, const char *fname, const char *separator, char ***l);
 int load_env_file_pairs(FILE *f, const char *fname, const char *separator, char ***l);
 
+int merge_env_file(char ***env, FILE *f, const char *fname);
+
 int write_env_file(const char *fname, char **l);
 
 int executable_is_script(const char *path, char **interpreter);
@@ -84,6 +86,7 @@ int fputs_with_space(FILE *f, const char *s, const char *separator, bool *space)
 
 int open_tmpfile_unlinkable(const char *directory, int flags);
 int open_tmpfile_linkable(const char *target, int flags, char **ret_path);
+int open_serialization_fd(const char *ident);
 
 int link_tmpfile(int fd, const char *path, const char *target);
 
diff --git a/src/systemd/src/basic/fs-util.h b/src/systemd/src/basic/fs-util.h
index 5fe5c71ff0..094acf1799 100644
--- a/src/systemd/src/basic/fs-util.h
+++ b/src/systemd/src/basic/fs-util.h
@@ -91,3 +91,9 @@ static inline void rmdir_and_free(char *p) {
         free(p);
 }
 DEFINE_TRIVIAL_CLEANUP_FUNC(char*, rmdir_and_free);
+
+static inline void unlink_and_free(char *p) {
+        (void) unlink(p);
+        free(p);
+}
+DEFINE_TRIVIAL_CLEANUP_FUNC(char*, unlink_and_free);
diff --git a/src/systemd/src/basic/hostname-util.c b/src/systemd/src/basic/hostname-util.c
index e44a357287..a94037b303 100644
--- a/src/systemd/src/basic/hostname-util.c
+++ b/src/systemd/src/basic/hostname-util.c
@@ -55,7 +55,7 @@ char* gethostname_malloc(void) {
         assert_se(uname(&u) >= 0);
 
         if (isempty(u.nodename) || streq(u.nodename, "(none)"))
-                return strdup(u.sysname);
+                return strdup(FALLBACK_HOSTNAME);
 
         return strdup(u.nodename);
 }
diff --git a/src/systemd/src/basic/in-addr-util.c b/src/systemd/src/basic/in-addr-util.c
index 3b06cb00ad..3927df2955 100644
--- a/src/systemd/src/basic/in-addr-util.c
+++ b/src/systemd/src/basic/in-addr-util.c
@@ -66,6 +66,18 @@ int in_addr_is_link_local(int family, const union in_addr_union *u) {
         return -EAFNOSUPPORT;
 }
 
+int in_addr_is_multicast(int family, const union in_addr_union *u) {
+        assert(u);
+
+        if (family == AF_INET)
+                return IN_MULTICAST(be32toh(u->in.s_addr));
+
+        if (family == AF_INET6)
+                return IN6_IS_ADDR_MULTICAST(&u->in6);
+
+        return -EAFNOSUPPORT;
+}
+
 bool in4_addr_is_localhost(const struct in_addr *a) {
         assert(a);
 
diff --git a/src/systemd/src/basic/in-addr-util.h b/src/systemd/src/basic/in-addr-util.h
index 64a812c322..51a5aa67e4 100644
--- a/src/systemd/src/basic/in-addr-util.h
+++ b/src/systemd/src/basic/in-addr-util.h
@@ -39,6 +39,8 @@ struct in_addr_data {
 bool in4_addr_is_null(const struct in_addr *a);
 int in_addr_is_null(int family, const union in_addr_union *u);
 
+int in_addr_is_multicast(int family, const union in_addr_union *u);
+
 bool in4_addr_is_link_local(const struct in_addr *a);
 int in_addr_is_link_local(int family, const union in_addr_union *u);
 
diff --git a/src/systemd/src/basic/log.h b/src/systemd/src/basic/log.h
index 2afee20bb5..72714e02e5 100644
--- a/src/systemd/src/basic/log.h
+++ b/src/systemd/src/basic/log.h
@@ -214,13 +214,13 @@ bool log_on_console(void) _pure_;
 const char *log_target_to_string(LogTarget target) _const_;
 LogTarget log_target_from_string(const char *s) _pure_;
 
-/* Helpers to prepare various fields for structured logging */
+/* Helper to prepare various field for structured logging */
 #define LOG_MESSAGE(fmt, ...) "MESSAGE=" fmt, ##__VA_ARGS__
-#define LOG_MESSAGE_ID(x) "MESSAGE_ID=" SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(x)
 
 void log_received_signal(int level, const struct signalfd_siginfo *si);
 
 void log_set_upgrade_syslog_to_journal(bool b);
+void log_set_always_reopen_console(bool b);
 
 int log_syntax_internal(
                 const char *unit,
diff --git a/src/systemd/src/basic/socket-util.c b/src/systemd/src/basic/socket-util.c
index 17e90a8994..e5847dce00 100644
--- a/src/systemd/src/basic/socket-util.c
+++ b/src/systemd/src/basic/socket-util.c
@@ -900,6 +900,26 @@ bool ifname_valid(const char *p) {
         return true;
 }
 
+bool address_label_valid(const char *p) {
+
+        if (isempty(p))
+                return false;
+
+        if (strlen(p) >= IFNAMSIZ)
+                return false;
+
+        while (*p) {
+                if ((uint8_t) *p >= 127U)
+                        return false;
+
+                if ((uint8_t) *p <= 31U)
+                        return false;
+                p++;
+        }
+
+        return true;
+}
+
 int getpeercred(int fd, struct ucred *ucred) {
         socklen_t n = sizeof(struct ucred);
         struct ucred u;
diff --git a/src/systemd/src/basic/socket-util.h b/src/systemd/src/basic/socket-util.h
index 3c42e220e5..73c3a339fc 100644
--- a/src/systemd/src/basic/socket-util.h
+++ b/src/systemd/src/basic/socket-util.h
@@ -126,6 +126,7 @@ int ip_tos_to_string_alloc(int i, char **s);
 int ip_tos_from_string(const char *s);
 
 bool ifname_valid(const char *p);
+bool address_label_valid(const char *p);
 
 int getpeercred(int fd, struct ucred *ucred);
 int getpeersec(int fd, char **ret);
diff --git a/src/systemd/src/basic/string-util.c b/src/systemd/src/basic/string-util.c
index 2ba3604ba0..9d2f4bc8f9 100644
--- a/src/systemd/src/basic/string-util.c
+++ b/src/systemd/src/basic/string-util.c
@@ -821,6 +821,7 @@ int free_and_strdup(char **p, const char *s) {
         return 1;
 }
 
+#if !HAVE_DECL_EXPLICIT_BZERO
 /*
  * Pointer to memset is volatile so that compiler must de-reference
  * the pointer and can't assume that it points to any function in
@@ -831,19 +832,19 @@ typedef void *(*memset_t)(void *,int,size_t);
 
 static volatile memset_t memset_func = memset;
 
-void* memory_erase(void *p, size_t l) {
-        return memset_func(p, 'x', l);
+void explicit_bzero(void *p, size_t l) {
+        memset_func(p, '\0', l);
 }
+#endif
 
 char* string_erase(char *x) {
-
         if (!x)
                 return NULL;
 
         /* A delicious drop of snake-oil! To be called on memory where
          * we stored passphrases or so, after we used them. */
-
-        return memory_erase(x, strlen(x));
+        explicit_bzero(x, strlen(x));
+        return x;
 }
 
 char *string_free_erase(char *s) {
diff --git a/src/systemd/src/basic/string-util.h b/src/systemd/src/basic/string-util.h
index e99f7964be..be44dedff4 100644
--- a/src/systemd/src/basic/string-util.h
+++ b/src/systemd/src/basic/string-util.h
@@ -189,7 +189,10 @@ static inline void *memmem_safe(const void *haystack, size_t haystacklen, const
         return memmem(haystack, haystacklen, needle, needlelen);
 }
 
-void* memory_erase(void *p, size_t l);
+#if !HAVE_DECL_EXPLICIT_BZERO
+void explicit_bzero(void *p, size_t l);
+#endif
+
 char *string_erase(char *x);
 
 char *string_free_erase(char *s);
diff --git a/src/systemd/src/basic/util.c b/src/systemd/src/basic/util.c
index 6204906f37..3dce0ea92e 100644
--- a/src/systemd/src/basic/util.c
+++ b/src/systemd/src/basic/util.c
@@ -59,9 +59,6 @@
 #include "user-util.h"
 #include "util.h"
 
-/* Put this test here for a lack of better place */
-assert_cc(EAGAIN == EWOULDBLOCK);
-
 int saved_argc = 0;
 char **saved_argv = NULL;
 static int saved_in_initrd = -1;
@@ -80,146 +77,6 @@ size_t page_size(void) {
         return pgsz;
 }
 
-static int do_execute(char **directories, usec_t timeout, char *argv[]) {
-        _cleanup_hashmap_free_free_ Hashmap *pids = NULL;
-        _cleanup_set_free_free_ Set *seen = NULL;
-        char **directory;
-
-        /* We fork this all off from a child process so that we can
-         * somewhat cleanly make use of SIGALRM to set a time limit */
-
-        (void) reset_all_signal_handlers();
-        (void) reset_signal_mask();
-
-        assert_se(prctl(PR_SET_PDEATHSIG, SIGTERM) == 0);
-
-        pids = hashmap_new(NULL);
-        if (!pids)
-                return log_oom();
-
-        seen = set_new(&string_hash_ops);
-        if (!seen)
-                return log_oom();
-
-        STRV_FOREACH(directory, directories) {
-                _cleanup_closedir_ DIR *d;
-                struct dirent *de;
-
-                d = opendir(*directory);
-                if (!d) {
-                        if (errno == ENOENT)
-                                continue;
-
-                        return log_error_errno(errno, "Failed to open directory %s: %m", *directory);
-                }
-
-                FOREACH_DIRENT(de, d, break) {
-                        _cleanup_free_ char *path = NULL;
-                        pid_t pid;
-                        int r;
-
-                        if (!dirent_is_file(de))
-                                continue;
-
-                        if (set_contains(seen, de->d_name)) {
-                                log_debug("%1$s/%2$s skipped (%2$s was already seen).", *directory, de->d_name);
-                                continue;
-                        }
-
-                        r = set_put_strdup(seen, de->d_name);
-                        if (r < 0)
-                                return log_oom();
-
-                        path = strjoin(*directory, "/", de->d_name);
-                        if (!path)
-                                return log_oom();
-
-                        if (null_or_empty_path(path)) {
-                                log_debug("%s is empty (a mask).", path);
-                                continue;
-                        }
-
-                        pid = fork();
-                        if (pid < 0) {
-                                log_error_errno(errno, "Failed to fork: %m");
-                                continue;
-                        } else if (pid == 0) {
-                                char *_argv[2];
-
-                                assert_se(prctl(PR_SET_PDEATHSIG, SIGTERM) == 0);
-
-                                if (!argv) {
-                                        _argv[0] = path;
-                                        _argv[1] = NULL;
-                                        argv = _argv;
-                                } else
-                                        argv[0] = path;
-
-                                execv(path, argv);
-                                return log_error_errno(errno, "Failed to execute %s: %m", path);
-                        }
-
-                        log_debug("Spawned %s as " PID_FMT ".", path, pid);
-
-                        r = hashmap_put(pids, PID_TO_PTR(pid), path);
-                        if (r < 0)
-                                return log_oom();
-                        path = NULL;
-                }
-        }
-
-        /* Abort execution of this process after the timout. We simply
-         * rely on SIGALRM as default action terminating the process,
-         * and turn on alarm(). */
-
-        if (timeout != USEC_INFINITY)
-                alarm((timeout + USEC_PER_SEC - 1) / USEC_PER_SEC);
-
-        while (!hashmap_isempty(pids)) {
-                _cleanup_free_ char *path = NULL;
-                pid_t pid;
-
-                pid = PTR_TO_PID(hashmap_first_key(pids));
-                assert(pid > 0);
-
-                path = hashmap_remove(pids, PID_TO_PTR(pid));
-                assert(path);
-
-                wait_for_terminate_and_warn(path, pid, true);
-        }
-
-        return 0;
-}
-
-void execute_directories(const char* const* directories, usec_t timeout, char *argv[]) {
-        pid_t executor_pid;
-        int r;
-        char *name;
-        char **dirs = (char**) directories;
-
-        assert(!strv_isempty(dirs));
-
-        name = basename(dirs[0]);
-        assert(!isempty(name));
-
-        /* Executes all binaries in the directories in parallel and waits
-         * for them to finish. Optionally a timeout is applied. If a file
-         * with the same name exists in more than one directory, the
-         * earliest one wins. */
-
-        executor_pid = fork();
-        if (executor_pid < 0) {
-                log_error_errno(errno, "Failed to fork: %m");
-                return;
-
-        } else if (executor_pid == 0) {
-                r = do_execute(dirs, timeout, argv);
-                _exit(r < 0 ? EXIT_FAILURE : EXIT_SUCCESS);
-        }
-
-        wait_for_terminate_and_warn(name, executor_pid, true);
-}
-
 bool plymouth_running(void) {
         return access("/run/plymouth/pid", F_OK) >= 0;
 }
diff --git a/src/systemd/src/basic/util.h b/src/systemd/src/basic/util.h
index c3802a811c..c7da6c39bf 100644
--- a/src/systemd/src/basic/util.h
+++ b/src/systemd/src/basic/util.h
@@ -65,8 +65,6 @@ static inline const char* enable_disable(bool b) {
         return b ? "enable" : "disable";
 }
 
-void execute_directories(const char* const* directories, usec_t timeout, char *argv[]);
-
 bool plymouth_running(void);
 
 bool display_is_local(const char *display) _pure_;
diff --git a/src/systemd/src/libsystemd-network/arp-util.c b/src/systemd/src/libsystemd-network/arp-util.c
index 02028bf28a..2e02b3fa66 100644
--- a/src/systemd/src/libsystemd-network/arp-util.c
+++ b/src/systemd/src/libsystemd-network/arp-util.c
@@ -58,7 +58,7 @@ int arp_network_bind_raw_socket(int ifindex, be32_t address, const struct ether_
                 BPF_STMT(BPF_ALU + BPF_XOR + BPF_X, 0),                                        /* A xor X */
                 BPF_JUMP(BPF_JMP + BPF_JEQ + BPF_K, 0, 0, 1),                                  /* A == 0 ? */
                 BPF_STMT(BPF_RET + BPF_K, 0),                                                  /* ignore */
-                /* Sender Protocol Address or Target Protocol Address must be equal to the one we care about*/
+                /* Sender Protocol Address or Target Protocol Address must be equal to the one we care about */
                 BPF_STMT(BPF_LD + BPF_IMM, htobe32(address)),                                  /* A <- clients IP */
                 BPF_STMT(BPF_MISC + BPF_TAX, 0),                                               /* X <- A */
                 BPF_STMT(BPF_LD + BPF_W + BPF_ABS, offsetof(struct ether_arp, arp_spa)),       /* A <- SPA */
diff --git a/src/systemd/src/libsystemd-network/lldp-network.c b/src/systemd/src/libsystemd-network/lldp-network.c
index 59c25598e9..ae2f6744d5 100644
--- a/src/systemd/src/libsystemd-network/lldp-network.c
+++ b/src/systemd/src/libsystemd-network/lldp-network.c
@@ -47,6 +47,13 @@ int lldp_network_bind_raw_socket(int ifindex) {
                 .filter = (struct sock_filter*) filter,
         };
 
+        struct packet_mreq mreq = {
+                .mr_ifindex = ifindex,
+                .mr_type = PACKET_MR_MULTICAST,
+                .mr_alen = ETH_ALEN,
+                .mr_address = { 0x01, 0x80, 0xC2, 0x00, 0x00, 0x00 }
+        };
+
         union sockaddr_union saddrll = {
                 .ll.sll_family = AF_PACKET,
                 .ll.sll_ifindex = ifindex,
@@ -66,6 +73,20 @@ int lldp_network_bind_raw_socket(int ifindex) {
         if (r < 0)
                 return -errno;
 
+        r = setsockopt(fd, SOL_PACKET, PACKET_ADD_MEMBERSHIP, &mreq, sizeof(mreq));
+        if (r < 0)
+                return -errno;
+
+        mreq.mr_address[ETH_ALEN - 1] = 0x03;
+        r = setsockopt(fd, SOL_PACKET, PACKET_ADD_MEMBERSHIP, &mreq, sizeof(mreq));
+        if (r < 0)
+                return -errno;
+
+        mreq.mr_address[ETH_ALEN - 1] = 0x0E;
+        r = setsockopt(fd, SOL_PACKET, PACKET_ADD_MEMBERSHIP, &mreq, sizeof(mreq));
+        if (r < 0)
+                return -errno;
+
         r = bind(fd, &saddrll.sa, sizeof(saddrll.ll));
         if (r < 0)
                 return -errno;
diff --git a/src/systemd/src/libsystemd-network/sd-dhcp-client.c b/src/systemd/src/libsystemd-network/sd-dhcp-client.c
index b4bf75a3dc..7c0317640f 100644
--- a/src/systemd/src/libsystemd-network/sd-dhcp-client.c
+++ b/src/systemd/src/libsystemd-network/sd-dhcp-client.c
@@ -825,6 +825,15 @@ static int client_send_request(sd_dhcp_client *client) {
                         return r;
         }
 
+        if (client->vendor_class_identifier) {
+                r = dhcp_option_append(&request->dhcp, optlen, &optoffset, 0,
+                                       SD_DHCP_OPTION_VENDOR_CLASS_IDENTIFIER,
+                                       strlen(client->vendor_class_identifier),
+                                       client->vendor_class_identifier);
+                if (r < 0)
+                        return r;
+        }
+
         r = dhcp_option_append(&request->dhcp, optlen, &optoffset, 0,
                                SD_DHCP_OPTION_END, 0, NULL);
         if (r < 0)
diff --git a/src/systemd/src/libsystemd-network/sd-ipv4acd.c b/src/systemd/src/libsystemd-network/sd-ipv4acd.c
index 4dd343c101..2ebc00f247 100644
--- a/src/systemd/src/libsystemd-network/sd-ipv4acd.c
+++ b/src/systemd/src/libsystemd-network/sd-ipv4acd.c
@@ -242,8 +242,6 @@ static int ipv4acd_on_timeout(sd_event_source *s, uint64_t usec, void *userdata)
                         r = ipv4acd_set_next_wakeup(acd, RATE_LIMIT_INTERVAL_USEC, PROBE_WAIT_USEC);
                         if (r < 0)
                                 goto fail;
-
-                        acd->n_conflict = 0;
                 } else {
                         r = ipv4acd_set_next_wakeup(acd, 0, PROBE_WAIT_USEC);
                         if (r < 0)
diff --git a/src/systemd/src/libsystemd/sd-event/sd-event.c b/src/systemd/src/libsystemd/sd-event/sd-event.c
index 4816bd1f67..b4686d0065 100644
--- a/src/systemd/src/libsystemd/sd-event/sd-event.c
+++ b/src/systemd/src/libsystemd/sd-event/sd-event.c
@@ -730,7 +730,6 @@ static void event_unmask_signal_data(sd_event *e, struct signal_data *d, int sig
 
                 /* If all the mask is all-zero we can get rid of the structure */
                 hashmap_remove(e->signal_data, &d->priority);
-                assert(!d->current);
                 safe_close(d->fd);
                 free(d);
                 return;
diff --git a/src/systemd/src/systemd/sd-id128.h b/src/systemd/src/systemd/sd-id128.h
index 6cc8e4ac0e..9b38969b77 100644
--- a/src/systemd/src/systemd/sd-id128.h
+++ b/src/systemd/src/systemd/sd-id128.h
@@ -100,6 +100,9 @@ int sd_id128_get_invocation(sd_id128_t *ret);
                 ((x).bytes[15] & 15) >= 10 ? 'a' + ((x).bytes[15] & 15) - 10 : '0' + ((x).bytes[15] & 15), \
                 0 })
 
+#define SD_ID128_MAKE_STR(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p) \
+        #a #b #c #d #e #f #g #h #i #j #k #l #m #n #o #p
+
 _sd_pure_ static __inline__ int sd_id128_equal(sd_id128_t a, sd_id128_t b) {
         return memcmp(&a, &b, 16) == 0;
 }