]> git.ipfire.org Git - thirdparty/systemd.git/blobdiff - src/core/load-fragment.c
tree-wide: drop {} from one-line if blocks
[thirdparty/systemd.git] / src / core / load-fragment.c
index 8e5be8731f326ca595a3e3759241610f7093adf0..b695c57da8e441acaf315e61e469e99d4a7e52dd 100644 (file)
 ***/
 
 #include <linux/oom.h>
-#include <assert.h>
 #include <errno.h>
 #include <string.h>
-#include <unistd.h>
 #include <fcntl.h>
 #include <sched.h>
-#include <sys/prctl.h>
-#include <sys/mount.h>
 #include <linux/fs.h>
 #include <sys/stat.h>
-#include <sys/time.h>
 #include <sys/resource.h>
-#include <sys/types.h>
-#include <grp.h>
 
 #ifdef HAVE_SECCOMP
 #include <seccomp.h>
 #endif
 
-#include "sd-messages.h"
 #include "unit.h"
 #include "strv.h"
 #include "conf-parser.h"
@@ -60,6 +52,8 @@
 #include "errno-list.h"
 #include "af-list.h"
 #include "cap-list.h"
+#include "signal-util.h"
+#include "bus-internal.h"
 
 #ifdef HAVE_SECCOMP
 #include "seccomp-util.h"
@@ -142,19 +136,20 @@ int config_parse_unit_deps(const char *unit,
         return 0;
 }
 
-int config_parse_unit_string_printf(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_unit_string_printf(
+                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) {
 
-        Unit *u = userdata;
         _cleanup_free_ char *k = NULL;
+        Unit *u = userdata;
         int r;
 
         assert(filename);
@@ -163,12 +158,12 @@ int config_parse_unit_string_printf(const char *unit,
         assert(u);
 
         r = unit_full_printf(u, rvalue, &k);
-        if (r < 0)
-                log_syntax(unit, LOG_ERR, filename, line, -r,
-                           "Failed to resolve unit specifiers on %s, ignoring: %s", rvalue, strerror(-r));
+        if (r < 0) {
+                log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve unit specifiers on %s, ignoring: %m", rvalue);
+                return 0;
+        }
 
-        return config_parse_string(unit, filename, line, section, section_line, lvalue, ltype,
-                                   k ? k : rvalue, data, userdata);
+        return config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, k, data, userdata);
 }
 
 int config_parse_unit_strv_printf(const char *unit,
@@ -362,7 +357,7 @@ int config_parse_socket_listen(const char *unit,
                         log_syntax(unit, LOG_ERR, filename, line, -r,
                                    "Failed to resolve unit specifiers on %s, ignoring: %s", rvalue, strerror(-r));
 
-                r = socket_address_parse(&p->address, k ? k : rvalue);
+                r = socket_address_parse_and_warn(&p->address, k ? k : rvalue);
                 if (r < 0) {
                         log_syntax(unit, LOG_ERR, filename, line, -r,
                                    "Failed to parse address value, ignoring: %s", rvalue);
@@ -379,7 +374,7 @@ int config_parse_socket_listen(const char *unit,
                 }
 
                 if (socket_address_family(&p->address) != AF_LOCAL && p->address.type == SOCK_SEQPACKET) {
-                        log_syntax(unit, LOG_ERR, filename, line, ENOTSUP,
+                        log_syntax(unit, LOG_ERR, filename, line, EOPNOTSUPP,
                                    "Address family not supported, ignoring: %s", rvalue);
                         return 0;
                 }
@@ -513,20 +508,21 @@ int config_parse_exec_oom_score_adjust(const char* unit,
         return 0;
 }
 
-int config_parse_exec(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) {
-
-        ExecCommand **e = data, *nce;
-        char *path, **n;
-        unsigned k;
+int config_parse_exec(
+                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) {
+
+        ExecCommand **e = data;
+        const char *p;
+        bool semicolon;
         int r;
 
         assert(filename);
@@ -536,151 +532,154 @@ int config_parse_exec(const char *unit,
 
         e += ltype;
 
+        rvalue += strspn(rvalue, WHITESPACE);
+        p = rvalue;
+
         if (isempty(rvalue)) {
                 /* An empty assignment resets the list */
-                exec_command_free_list(*e);
-                *e = NULL;
+                *e = exec_command_free_list(*e);
                 return 0;
         }
 
-        /* We accept an absolute path as first argument, or
-         * alternatively an absolute prefixed with @ to allow
-         * overriding of argv[0]. */
-        for (;;) {
+        do {
                 int i;
-                const char *word, *state;
-                size_t l;
-                bool honour_argv0 = false, ignore = false;
-
-                path = NULL;
-                nce = NULL;
-                n = NULL;
+                _cleanup_strv_free_ char **n = NULL;
+                size_t nlen = 0, nbufsize = 0;
+                _cleanup_free_ ExecCommand *nce = NULL;
+                _cleanup_free_ char *path = NULL, *firstword = NULL;
+                char *f;
+                bool separate_argv0 = false, ignore = false;
 
-                rvalue += strspn(rvalue, WHITESPACE);
+                semicolon = false;
 
-                if (rvalue[0] == 0)
-                        break;
+                r = extract_first_word_and_warn(&p, &firstword, WHITESPACE, EXTRACT_QUOTES|EXTRACT_CUNESCAPE, unit, filename, line, rvalue);
+                if (r <= 0)
+                        return 0;
 
+                f = firstword;
                 for (i = 0; i < 2; i++) {
-                        if (rvalue[0] == '-' && !ignore) {
+                        /* We accept an absolute path as first argument, or
+                         * alternatively an absolute prefixed with @ to allow
+                         * overriding of argv[0]. */
+                        if (*f == '-' && !ignore)
                                 ignore = true;
-                                rvalue ++;
-                        }
-
-                        if (rvalue[0] == '@' && !honour_argv0) {
-                                honour_argv0 = true;
-                                rvalue ++;
-                        }
+                        else if (*f == '@' && !separate_argv0)
+                                separate_argv0 = true;
+                        else
+                                break;
+                        f ++;
                 }
 
-                if (*rvalue != '/') {
+                if (isempty(f)) {
+                        /* First word is either "-" or "@" with no command. */
                         log_syntax(unit, LOG_ERR, filename, line, EINVAL,
-                                   "Executable path is not absolute, ignoring: %s", rvalue);
+                                   "Empty path in command line, ignoring: \"%s\"", rvalue);
                         return 0;
                 }
 
-                k = 0;
-                FOREACH_WORD_QUOTED(word, l, rvalue, state) {
-                        if (strneq(word, ";", MAX(l, 1U)))
-                                goto found;
-
-                        k++;
+                if (!string_is_safe(f)) {
+                        log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+                                        "Executable path contains special characters, ignoring: %s", rvalue);
+                        return 0;
                 }
-                if (!isempty(state)) {
+                if (!path_is_absolute(f)) {
                         log_syntax(unit, LOG_ERR, filename, line, EINVAL,
-                                   "Trailing garbage, ignoring.");
+                                        "Executable path is not absolute, ignoring: %s", rvalue);
+                        return 0;
+                }
+                if (endswith(f, "/")) {
+                        log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+                                        "Executable path specifies a directory, ignoring: %s", rvalue);
                         return 0;
                 }
 
-        found:
-                n = new(char*, k + !honour_argv0);
-                if (!n)
-                        return log_oom();
-
-                k = 0;
-                FOREACH_WORD_QUOTED(word, l, rvalue, state) {
-                        if (strneq(word, ";", MAX(l, 1U)))
-                                break;
-                        else if (strneq(word, "\\;", MAX(l, 1U)))
-                                word ++;
-
-                        if (honour_argv0 && word == rvalue) {
-                                assert(!path);
+                if (f == firstword) {
+                        path = firstword;
+                        firstword = NULL;
+                } else {
+                        path = strdup(f);
+                        if (!path)
+                                return log_oom();
+                }
 
-                                path = strndup(word, l);
-                                if (!path) {
-                                        r = log_oom();
-                                        goto fail;
-                                }
+                if (!separate_argv0) {
+                        if (!GREEDY_REALLOC(n, nbufsize, nlen + 2))
+                                return log_oom();
+                        f = strdup(path);
+                        if (!f)
+                                return log_oom();
+                        n[nlen++] = f;
+                        n[nlen] = NULL;
+                }
 
-                                if (!utf8_is_valid(path)) {
-                                        log_invalid_utf8(unit, LOG_ERR, filename, line, EINVAL, rvalue);
-                                        r = 0;
-                                        goto fail;
-                                }
+                path_kill_slashes(path);
 
-                        } else {
-                                char *c;
+                while (!isempty(p)) {
+                        _cleanup_free_ char *word = NULL;
 
-                                c = n[k++] = cunescape_length(word, l);
-                                if (!c) {
-                                        r = log_oom();
-                                        goto fail;
-                                }
+                        /* Check explicitly for an unquoted semicolon as
+                         * command separator token.  */
+                        if (p[0] == ';' && (!p[1] || strchr(WHITESPACE, p[1]))) {
+                                p ++;
+                                p += strspn(p, WHITESPACE);
+                                semicolon = true;
+                                break;
+                        }
 
-                                if (!utf8_is_valid(c)) {
-                                        log_invalid_utf8(unit, LOG_ERR, filename, line, EINVAL, rvalue);
-                                        r = 0;
-                                        goto fail;
-                                }
+                        /* Check for \; explicitly, to not confuse it with \\;
+                         * or "\;" or "\\;" etc.  extract_first_word would
+                         * return the same for all of those.  */
+                        if (p[0] == '\\' && p[1] == ';' && (!p[2] || strchr(WHITESPACE, p[2]))) {
+                                p += 2;
+                                p += strspn(p, WHITESPACE);
+                                if (!GREEDY_REALLOC(n, nbufsize, nlen + 2))
+                                        return log_oom();
+                                f = strdup(";");
+                                if (!f)
+                                        return log_oom();
+                                n[nlen++] = f;
+                                n[nlen] = NULL;
+                                continue;
                         }
-                }
 
-                n[k] = NULL;
+                        r = extract_first_word_and_warn(&p, &word, WHITESPACE, EXTRACT_QUOTES|EXTRACT_CUNESCAPE, unit, filename, line, rvalue);
+                        if (r == 0)
+                                break;
+                        else if (r < 0)
+                                return 0;
 
-                if (!n[0]) {
-                        log_syntax(unit, LOG_ERR, filename, line, EINVAL,
-                                   "Invalid command line, ignoring: %s", rvalue);
-                        r = 0;
-                        goto fail;
+                        if (!GREEDY_REALLOC(n, nbufsize, nlen + 2))
+                                return log_oom();
+                        n[nlen++] = word;
+                        n[nlen] = NULL;
+                        word = NULL;
                 }
 
-                if (!path) {
-                        path = strdup(n[0]);
-                        if (!path) {
-                                r = log_oom();
-                                goto fail;
-                        }
+                if (!n || !n[0]) {
+                        log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+                                        "Empty executable name or zeroeth argument, ignoring: %s", rvalue);
+                        return 0;
                 }
 
-                assert(path_is_absolute(path));
-
                 nce = new0(ExecCommand, 1);
-                if (!nce) {
-                        r = log_oom();
-                        goto fail;
-                }
+                if (!nce)
+                        return log_oom();
 
                 nce->argv = n;
                 nce->path = path;
                 nce->ignore = ignore;
 
-                path_kill_slashes(nce->path);
-
                 exec_command_append_list(e, nce);
 
-                rvalue = state;
-        }
-
-        return 0;
+                /* Do not _cleanup_free_ these. */
+                n = NULL;
+                path = NULL;
+                nce = NULL;
 
-fail:
-        n[k] = NULL;
-        strv_free(n);
-        free(path);
-        free(nce);
+                rvalue = p;
+        } while (semicolon);
 
-        return r;
+        return 0;
 }
 
 DEFINE_CONFIG_PARSE_ENUM(config_parse_service_type, service_type, ServiceType, "Failed to parse service type");
@@ -1049,7 +1048,7 @@ int config_parse_bounding_set(const char *unit,
 
                 cap = capability_from_name(t);
                 if (cap < 0) {
-                        log_syntax(unit, LOG_ERR, filename, line, errno, "Failed to parse capability in bounding set, ignoring: %s", t);
+                        log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Failed to parse capability in bounding set, ignoring: %s", t);
                         continue;
                 }
 
@@ -1143,38 +1142,9 @@ int config_parse_sysv_priority(const char *unit,
 }
 #endif
 
+DEFINE_CONFIG_PARSE_ENUM(config_parse_exec_utmp_mode, exec_utmp_mode, ExecUtmpMode, "Failed to parse utmp mode");
 DEFINE_CONFIG_PARSE_ENUM(config_parse_kill_mode, kill_mode, KillMode, "Failed to parse kill mode");
 
-int config_parse_kill_signal(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 *sig = data;
-        int r;
-
-        assert(filename);
-        assert(lvalue);
-        assert(rvalue);
-        assert(sig);
-
-        r = signal_from_string_try_harder(rvalue);
-        if (r <= 0) {
-                log_syntax(unit, LOG_ERR, filename, line, -r,
-                           "Failed to parse kill signal, ignoring: %s", rvalue);
-                return 0;
-        }
-
-        *sig = r;
-        return 0;
-}
-
 int config_parse_exec_mount_flags(const char *unit,
                                   const char *filename,
                                   unsigned line,
@@ -1207,17 +1177,15 @@ int config_parse_exec_mount_flags(const char *unit,
                         flags = MS_SHARED;
                 else if (streq(t, "slave"))
                         flags = MS_SLAVE;
-                else if (streq(word, "private"))
+                else if (streq(t, "private"))
                         flags = MS_PRIVATE;
                 else {
-                        log_syntax(unit, LOG_ERR, filename, line, EINVAL,
-                                   "Failed to parse mount flag %s, ignoring: %s", t, rvalue);
+                        log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Failed to parse mount flag %s, ignoring: %s", t, rvalue);
                         return 0;
                 }
         }
         if (!isempty(state))
-                log_syntax(unit, LOG_ERR, filename, line, EINVAL,
-                           "Trailing garbage, ignoring.");
+                log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Trailing garbage, ignoring.");
 
         c->mount_flags = flags;
         return 0;
@@ -1247,8 +1215,7 @@ int config_parse_exec_selinux_context(
         assert(data);
 
         if (isempty(rvalue)) {
-                free(c->selinux_context);
-                c->selinux_context = NULL;
+                c->selinux_context = mfree(c->selinux_context);
                 c->selinux_context_ignore = false;
                 return 0;
         }
@@ -1297,8 +1264,7 @@ int config_parse_exec_apparmor_profile(
         assert(data);
 
         if (isempty(rvalue)) {
-                free(c->apparmor_profile);
-                c->apparmor_profile = NULL;
+                c->apparmor_profile = mfree(c->apparmor_profile);
                 c->apparmor_profile_ignore = false;
                 return 0;
         }
@@ -1347,8 +1313,7 @@ int config_parse_exec_smack_process_label(
         assert(data);
 
         if (isempty(rvalue)) {
-                free(c->smack_process_label);
-                c->smack_process_label = NULL;
+                c->smack_process_label = mfree(c->smack_process_label);
                 c->smack_process_label_ignore = false;
                 return 0;
         }
@@ -1562,16 +1527,17 @@ int config_parse_path_spec(const char *unit,
         return 0;
 }
 
-int config_parse_socket_service(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_socket_service(
+                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) {
 
         _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
         Socket *s = data;
@@ -1586,21 +1552,18 @@ int config_parse_socket_service(const char *unit,
 
         r = unit_name_printf(UNIT(s), rvalue, &p);
         if (r < 0) {
-                log_syntax(unit, LOG_ERR, filename, line, -r,
-                           "Failed to resolve specifiers, ignoring: %s", rvalue);
+                log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %s", rvalue);
                 return 0;
         }
 
         if (!endswith(p, ".service")) {
-                log_syntax(unit, LOG_ERR, filename, line, EINVAL,
-                           "Unit must be of type service, ignoring: %s", rvalue);
+                log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Unit must be of type service, ignoring: %s", rvalue);
                 return 0;
         }
 
         r = manager_load_unit(UNIT(s)->manager, p, NULL, &error, &x);
         if (r < 0) {
-                log_syntax(unit, LOG_ERR, filename, line, -r,
-                           "Failed to load unit %s, ignoring: %s", rvalue, bus_error_message(&error, r));
+                log_syntax(unit, LOG_ERR, filename, line, -r, "Failed to load unit %s, ignoring: %s", rvalue, bus_error_message(&error, r));
                 return 0;
         }
 
@@ -1609,21 +1572,22 @@ int config_parse_socket_service(const char *unit,
         return 0;
 }
 
-int config_parse_service_sockets(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_service_sockets(
+                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) {
 
         Service *s = data;
-        int r;
         const char *word, *state;
         size_t l;
+        int r;
 
         assert(filename);
         assert(lvalue);
@@ -1638,33 +1602,65 @@ int config_parse_service_sockets(const char *unit,
                         return log_oom();
 
                 r = unit_name_printf(UNIT(s), t, &k);
-                if (r < 0)
-                        log_syntax(unit, LOG_ERR, filename, line, -r,
-                                   "Failed to resolve specifiers, ignoring: %s", strerror(-r));
+                if (r < 0) {
+                        log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve specifiers, ignoring: %m");
+                        continue;
+                }
 
-                if (!endswith(k ?: t, ".socket")) {
-                        log_syntax(unit, LOG_ERR, filename, line, EINVAL,
-                                   "Unit must be of type socket, ignoring: %s", k ?: t);
+                if (!endswith(k, ".socket")) {
+                        log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Unit must be of type socket, ignoring: %s", k);
                         continue;
                 }
 
-                r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_WANTS, UNIT_AFTER, k ?: t, NULL, true);
+                r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_WANTS, UNIT_AFTER, k, NULL, true);
                 if (r < 0)
-                        log_syntax(unit, LOG_ERR, filename, line, -r,
-                                   "Failed to add dependency on %s, ignoring: %s",
-                                   k ?: t, strerror(-r));
+                        log_syntax(unit, LOG_ERR, filename, line, r, "Failed to add dependency on %s, ignoring: %m", k);
 
-                r = unit_add_dependency_by_name(UNIT(s), UNIT_TRIGGERED_BY, k ?: t, NULL, true);
+                r = unit_add_dependency_by_name(UNIT(s), UNIT_TRIGGERED_BY, k, NULL, true);
                 if (r < 0)
-                        return r;
+                        log_syntax(unit, LOG_ERR, filename, line, r, "Failed to add dependency on %s, ignoring: %m", k);
         }
         if (!isempty(state))
-                log_syntax(unit, LOG_ERR, filename, line, EINVAL,
-                           "Trailing garbage, ignoring.");
+                log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Trailing garbage, ignoring.");
 
         return 0;
 }
 
+int config_parse_bus_name(
+                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) {
+
+        _cleanup_free_ char *k = NULL;
+        Unit *u = userdata;
+        int r;
+
+        assert(filename);
+        assert(lvalue);
+        assert(rvalue);
+        assert(u);
+
+        r = unit_full_printf(u, rvalue, &k);
+        if (r < 0) {
+                log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve unit specifiers on %s, ignoring: %m", rvalue);
+                return 0;
+        }
+
+        if (!service_name_is_valid(k)) {
+                log_syntax(unit, LOG_ERR, filename, line, r, "Invalid bus name %s, ignoring.", k);
+                return 0;
+        }
+
+        return config_parse_string(unit, filename, line, section, section_line, lvalue, ltype, k, data, userdata);
+}
+
 int config_parse_service_timeout(const char *unit,
                                  const char *filename,
                                  unsigned line,
@@ -1949,8 +1945,7 @@ int config_parse_environ(const char *unit,
         if (u) {
                 r = unit_full_printf(u, rvalue, &k);
                 if (r < 0)
-                        log_syntax(unit, LOG_ERR, filename, line, -r,
-                                   "Failed to resolve specifiers, ignoring: %s", rvalue);
+                        log_syntax(unit, LOG_ERR, filename, line, -r, "Failed to resolve specifiers, ignoring: %s", rvalue);
         }
 
         if (!k)
@@ -1959,16 +1954,17 @@ int config_parse_environ(const char *unit,
                 return log_oom();
 
         FOREACH_WORD_QUOTED(word, l, k, state) {
-                _cleanup_free_ char *n;
+                _cleanup_free_ char *n = NULL;
                 char **x;
 
-                n = cunescape_length(word, l);
-                if (!n)
-                        return log_oom();
+                r = cunescape_length(word, l, 0, &n);
+                if (r < 0) {
+                        log_syntax(unit, LOG_ERR, filename, line, r, "Couldn't unescape assignment, ignoring: %s", rvalue);
+                        continue;
+                }
 
                 if (!env_assignment_is_valid(n)) {
-                        log_syntax(unit, LOG_ERR, filename, line, EINVAL,
-                                   "Invalid environment assignment, ignoring: %s", rvalue);
+                        log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Invalid environment assignment, ignoring: %s", rvalue);
                         continue;
                 }
 
@@ -2041,8 +2037,7 @@ int config_parse_unit_condition_path(
 
         if (isempty(rvalue)) {
                 /* Empty assignment resets the list */
-                condition_free_list(*list);
-                *list = NULL;
+                *list = condition_free_list(*list);
                 return 0;
         }
 
@@ -2099,8 +2094,7 @@ int config_parse_unit_condition_string(
 
         if (isempty(rvalue)) {
                 /* Empty assignment resets the list */
-                condition_free_list(*list);
-                *list = NULL;
+                *list = condition_free_list(*list);
                 return 0;
         }
 
@@ -2149,8 +2143,7 @@ int config_parse_unit_condition_null(
 
         if (isempty(rvalue)) {
                 /* Empty assignment resets the list */
-                condition_free_list(*list);
-                *list = NULL;
+                *list = condition_free_list(*list);
                 return 0;
         }
 
@@ -2264,7 +2257,7 @@ int config_parse_documentation(const char *unit,
 
         for (a = b = u->documentation; a && *a; a++) {
 
-                if (is_valid_documentation_url(*a))
+                if (documentation_url_is_valid(*a))
                         *(b++) = *a;
                 else {
                         log_syntax(unit, LOG_ERR, filename, line, EINVAL,
@@ -2346,7 +2339,7 @@ int config_parse_syscall_filter(
                                         continue;
 
                                 r = set_put(c->syscall_filter, INT_TO_PTR(id + 1));
-                                if (r == -EEXIST)
+                                if (r == 0)
                                         continue;
                                 if (r < 0)
                                         return log_oom();
@@ -2374,7 +2367,7 @@ int config_parse_syscall_filter(
                  */
                 if (!invert == c->syscall_whitelist)  {
                         r = set_put(c->syscall_filter, INT_TO_PTR(id + 1));
-                        if (r == -EEXIST)
+                        if (r == 0)
                                 continue;
                         if (r < 0)
                                 return log_oom();
@@ -2387,7 +2380,7 @@ int config_parse_syscall_filter(
 
         /* Turn on NNP, but only if it wasn't configured explicitly
          * before, and only if we are in user mode. */
-        if (!c->no_new_privileges_set && u->manager->running_as == SYSTEMD_USER)
+        if (!c->no_new_privileges_set && u->manager->running_as == MANAGER_USER)
                 c->no_new_privileges = true;
 
         return 0;
@@ -2436,7 +2429,7 @@ int config_parse_syscall_archs(
                 }
 
                 r = set_put(*archs, UINT32_TO_PTR(a + 1));
-                if (r == -EEXIST)
+                if (r == 0)
                         continue;
                 if (r < 0)
                         return log_oom();
@@ -2547,7 +2540,7 @@ int config_parse_address_families(
                  */
                 if (!invert == c->address_families_whitelist)  {
                         r = set_put(c->address_families, INT_TO_PTR(af));
-                        if (r == -EEXIST)
+                        if (r == 0)
                                 continue;
                         if (r < 0)
                                 return log_oom();
@@ -2575,7 +2568,7 @@ int config_parse_unit_slice(
                 void *userdata) {
 
         _cleanup_free_ char *k = NULL;
-        Unit *u = userdata, *slice;
+        Unit *u = userdata, *slice = NULL;
         int r;
 
         assert(filename);
@@ -2584,29 +2577,23 @@ int config_parse_unit_slice(
         assert(u);
 
         r = unit_name_printf(u, rvalue, &k);
-        if (r < 0)
-                log_syntax(unit, LOG_ERR, filename, line, -r,
-                           "Failed to resolve unit specifiers on %s. Ignoring.", rvalue);
-        if (!k) {
-                k = strdup(rvalue);
-                if (!k)
-                        return log_oom();
+        if (r < 0) {
+                log_syntax(unit, LOG_ERR, filename, line, r, "Failed to resolve unit specifiers on %s. Ignoring.", rvalue);
+                return 0;
         }
 
         r = manager_load_unit(u->manager, k, NULL, NULL, &slice);
         if (r < 0) {
-                log_syntax(unit, LOG_ERR, filename, line, -r,
-                           "Failed to load slice unit %s. Ignoring.", k);
+                log_syntax(unit, LOG_ERR, filename, line, r, "Failed to load slice unit %s. Ignoring.", k);
                 return 0;
         }
 
-        if (slice->type != UNIT_SLICE) {
-                log_syntax(unit, LOG_ERR, filename, line, EINVAL,
-                           "Slice unit %s is not a slice. Ignoring.", k);
+        r = unit_set_slice(u, slice);
+        if (r < 0) {
+                log_syntax(unit, LOG_ERR, filename, line, r, "Failed to assign slice %s to unit %s. Ignoring.", slice->id, u->id);
                 return 0;
         }
 
-        unit_ref_set(&u->slice, slice);
         return 0;
 }
 
@@ -3000,36 +2987,6 @@ int config_parse_job_mode_isolate(
         return 0;
 }
 
-int config_parse_personality(
-                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) {
-
-        unsigned long *personality = data, p;
-
-        assert(filename);
-        assert(lvalue);
-        assert(rvalue);
-        assert(personality);
-
-        p = personality_from_string(rvalue);
-        if (p == 0xffffffffUL) {
-                log_syntax(unit, LOG_ERR, filename, line, EINVAL,
-                           "Failed to parse personality, ignoring: %s", rvalue);
-                return 0;
-        }
-
-        *personality = p;
-        return 0;
-}
-
 int config_parse_runtime_directory(
                 const char *unit,
                 const char *filename,
@@ -3116,6 +3073,7 @@ int config_parse_set_status(
         FOREACH_WORD(word, l, rvalue, state) {
                 _cleanup_free_ char *temp;
                 int val;
+                Set **set;
 
                 temp = strndup(word, l);
                 if (!temp)
@@ -3128,21 +3086,23 @@ int config_parse_set_status(
                         if (val <= 0) {
                                 log_syntax(unit, LOG_ERR, filename, line, -val,
                                            "Failed to parse value, ignoring: %s", word);
-                                return 0;
+                                continue;
                         }
+                        set = &status_set->signal;
                 } else {
                         if (val < 0 || val > 255) {
                                 log_syntax(unit, LOG_ERR, filename, line, ERANGE,
                                            "Value %d is outside range 0-255, ignoring", val);
                                 continue;
                         }
+                        set = &status_set->status;
                 }
 
-                r = set_ensure_allocated(&status_set->status, NULL);
+                r = set_ensure_allocated(set, NULL);
                 if (r < 0)
                         return log_oom();
 
-                r = set_put(status_set->status, INT_TO_PTR(val));
+                r = set_put(*set, INT_TO_PTR(val));
                 if (r < 0) {
                         log_syntax(unit, LOG_ERR, filename, line, -r,
                                    "Unable to store: %s", word);
@@ -3370,7 +3330,7 @@ static int open_follow(char **filename, FILE **_f, Set *names, char **_final) {
                  * unit name. */
                 name = basename(*filename);
 
-                if (unit_name_is_valid(name, TEMPLATE_VALID)) {
+                if (unit_name_is_valid(name, UNIT_NAME_ANY)) {
 
                         id = set_get(names, name);
                         if (!id) {
@@ -3403,9 +3363,8 @@ static int open_follow(char **filename, FILE **_f, Set *names, char **_final) {
 
         f = fdopen(fd, "re");
         if (!f) {
-                r = -errno;
                 safe_close(fd);
-                return r;
+                return -errno;
         }
 
         *_f = f;
@@ -3481,9 +3440,7 @@ static int load_from_path(Unit *u, const char *path) {
 
                 r = open_follow(&filename, &f, symlink_names, &id);
                 if (r < 0) {
-                        free(filename);
-                        filename = NULL;
-
+                        filename = mfree(filename);
                         if (r != -ENOENT)
                                 return r;
                 }
@@ -3507,9 +3464,7 @@ static int load_from_path(Unit *u, const char *path) {
                                 r = open_follow(&filename, &f, symlink_names, &id);
 
                         if (r < 0) {
-                                free(filename);
-                                filename = NULL;
-
+                                filename = mfree(filename);
                                 if (r != -ENOENT)
                                         return r;
 
@@ -3578,6 +3533,11 @@ int unit_load_fragment(Unit *u) {
         assert(u->load_state == UNIT_STUB);
         assert(u->id);
 
+        if (u->transient) {
+                u->load_state = UNIT_LOADED;
+                return 0;
+        }
+
         /* First, try to find the unit under its id. We always look
          * for unit files in the default directories, to make it easy
          * to override things by placing things in /etc/systemd/system */
@@ -3608,22 +3568,20 @@ int unit_load_fragment(Unit *u) {
                 if (r < 0)
                         return r;
 
-                if (u->load_state == UNIT_STUB) {
+                if (u->load_state == UNIT_STUB)
                         /* Hmm, this didn't work? Then let's get rid
                          * of the fragment path stored for us, so that
                          * we don't point to an invalid location. */
-                        free(u->fragment_path);
-                        u->fragment_path = NULL;
-                }
+                        u->fragment_path = mfree(u->fragment_path);
         }
 
         /* Look for a template */
         if (u->load_state == UNIT_STUB && u->instance) {
-                _cleanup_free_ char *k;
+                _cleanup_free_ char *k = NULL;
 
-                k = unit_name_template(u->id);
-                if (!k)
-                        return -ENOMEM;
+                r = unit_name_template(u->id, &k);
+                if (r < 0)
+                        return r;
 
                 r = load_from_path(u, k);
                 if (r < 0)
@@ -3636,9 +3594,9 @@ int unit_load_fragment(Unit *u) {
                                 if (t == u->id)
                                         continue;
 
-                                z = unit_name_template(t);
-                                if (!z)
-                                        return -ENOMEM;
+                                r = unit_name_template(t, &z);
+                                if (r < 0)
+                                        return r;
 
                                 r = load_from_path(u, z);
                                 if (r < 0)
@@ -3696,7 +3654,7 @@ void unit_dump_config_items(FILE *f) {
                 { config_parse_sysv_priority,         "SYSVPRIORITY" },
 #endif
                 { config_parse_kill_mode,             "KILLMODE" },
-                { config_parse_kill_signal,           "SIGNAL" },
+                { config_parse_signal,                "SIGNAL" },
                 { config_parse_socket_listen,         "SOCKET [...]" },
                 { config_parse_socket_bind,           "SOCKETBIND" },
                 { config_parse_socket_bindtodevice,   "NETWORKINTERFACE" },