Merge pull request #1667 from evverx/run-protect-system

systemd-run can launch units with ProtectSystem

shell-completion/bash/systemd-run

@@ -85,7 +85,8 @@ _systemd_run() {
                          PrivateNetwork= NoNewPrivileges= WorkingDirectory= RootDirectory=
                          TTYPath= SyslogIdentifier= SyslogLevelPrefix= SyslogLevel=
                          SyslogFacility= TimerSlackNSec= OOMScoreAdjust= ReadWriteDirectories=
-                         ReadOnlyDirectories= InaccessibleDirectories= EnvironmentFile='
+                         ReadOnlyDirectories= InaccessibleDirectories= EnvironmentFile=
+                         ProtectSystem='
 
             COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
             return 0

shell-completion/zsh/_systemd-run

@@ -39,6 +39,7 @@ _arguments \
                 TTYPath= SyslogIdentifier= SyslogLevelPrefix= SyslogLevel= \
                 SyslogFacility= TimerSlackNSec= OOMScoreAdjust= ReadWriteDirectories= \
                 ReadOnlyDirectories= InaccessibleDirectories= EnvironmentFile= \
+                ProtectSystem= \
                 ))' \
         '--description=[Description for unit]:description' \
         '--slice=[Run in the specified slice]:slices:__slices' \

src/core/dbus-execute.c

@@ -1334,6 +1334,32 @@ int bus_exec_context_set_transient_property(
 
                 return 1;
 
+        } else if (streq(name, "ProtectSystem")) {
+                const char *s;
+                ProtectSystem ps;
+
+                r = sd_bus_message_read(message, "s", &s);
+                if (r < 0)
+                        return r;
+
+                r = parse_boolean(s);
+                if (r > 0)
+                        ps = PROTECT_SYSTEM_YES;
+                else if (r == 0)
+                        ps = PROTECT_SYSTEM_NO;
+                else {
+                        ps = protect_system_from_string(s);
+                        if (ps < 0)
+                                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Failed to parse protect system value");
+                }
+
+                if (mode != UNIT_CHECK) {
+                        c->protect_system = ps;
+                        unit_write_drop_in_private_format(u, mode, name, "%s=%s\n", name, s);
+                }
+
+                return 1;
+
         } else if (rlimit_from_string(name) >= 0) {
                 uint64_t rl;
                 rlim_t x;

src/shared/bus-util.c

@@ -1507,7 +1507,7 @@ int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignmen
                               "UtmpIdentifier", "UtmpMode", "PAMName", "TTYPath",
                               "StandardInput", "StandardOutput", "StandardError",
                               "Description", "Slice", "Type", "WorkingDirectory",
-                              "RootDirectory", "SyslogIdentifier"))
+                              "RootDirectory", "SyslogIdentifier", "ProtectSystem"))
                 r = sd_bus_message_append(m, "v", "s", eq);
 
         else if (streq(field, "SyslogLevel")) {