Allow for the use of @ in remote host calls

Without this you have to use %40 with the -H flag because dbus doesn't
like the @ sign being unescaped.

3 files changed, 17 insertions, 2 deletions

diff --git a/src/shared/dbus-common.c b/src/shared/dbus-common.c
index b8c15cb9fc..f579567321 100644
--- a/src/shared/dbus-common.c
+++ b/src/shared/dbus-common.c
@@ -178,9 +178,9 @@ int bus_connect_system_ssh(const char *user, const char *host, DBusConnection **
         assert(user || host);
 
         if (user && host)
-                asprintf(&p, "unixexec:path=ssh,argv1=-xT,argv2=%s@%s,argv3=systemd-stdio-bridge", user, host);
+                asprintf(&p, "unixexec:path=ssh,argv1=-xT,argv2=%s%%40%s,argv3=systemd-stdio-bridge", user, host);
         else if (user)
-                asprintf(&p, "unixexec:path=ssh,argv1=-xT,argv2=%s@localhost,argv3=systemd-stdio-bridge", user);
+                asprintf(&p, "unixexec:path=ssh,argv1=-xT,argv2=%s%%40localhost,argv3=systemd-stdio-bridge", user);
         else if (host)
                 asprintf(&p, "unixexec:path=ssh,argv1=-xT,argv2=%s,argv3=systemd-stdio-bridge", host);
 
diff --git a/src/shared/util.c b/src/shared/util.c
index 2edf9cd875..d0bbf78bf3 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -5847,3 +5847,17 @@ bool id128_is_valid(const char *s) {
 
         return true;
 }
+
+void parse_user_at_host(char *arg, char **user, char **host) {
+        assert(arg);
+        assert(user);
+        assert(host);
+
+        *host = strchr(arg, '@');
+        if (*host == NULL)
+                *host = arg;
+        else {
+                *host[0]++ = '\0';
+                *user = arg;
+        }
+}
diff --git a/src/shared/util.h b/src/shared/util.h
index 64e63b8c07..e6f9312e95 100644
--- a/src/shared/util.h
+++ b/src/shared/util.h
@@ -732,3 +732,4 @@ static inline void _reset_locale_(struct _locale_struct_ *s) {
              _saved_locale_.quit = true)
 
 bool id128_is_valid(const char *s) _pure_;
+void parse_user_at_host(char *arg, char **user, char **host);