#include "strv.h"
#include "unit-name.h"
#include "unit-printf.h"
+#include "macro.h"
static char *specifier_prefix_and_instance(char specifier, void *data, void *userdata) {
Unit *u = userdata;
ExecContext *c;
int r;
const char *username;
+ char _cleanup_free_ *tmp = NULL;
uid_t uid;
char *printed = NULL;
c = unit_get_exec_context(u);
- /* get USER env from our own env if set */
- if (!c || !c->user)
- return getusername_malloc();
+ if (c && c->user)
+ username = c->user;
+ else
+ /* get USER env from env or our own uid */
+ username = tmp = getusername_malloc();
/* fish username from passwd */
- username = c->user;
r = get_user_creds(&username, &uid, NULL, NULL, NULL);
if (r < 0)
return NULL;
ExecContext *c;
int r;
const char *username, *shell;
+ char *ret;
assert(u);
c = unit_get_exec_context(u);
- /* return HOME if set, otherwise from passwd */
- if (!c || !c->user) {
- char *sh;
+ if (c && c->user)
+ username = c->user;
+ else
+ username = "root";
- r = get_shell(&sh);
- if (r < 0)
- return strdup("/bin/sh");
+ /* return /bin/sh for root, otherwise the value from passwd */
+ r = get_user_creds(&username, NULL, NULL, NULL, &shell);
+ if (r < 0) {
+ log_warning_unit(u->id,
+ "Failed to determine shell: %s",
+ strerror(-r));
+ return NULL;
+ }
- return sh;
+ if (!path_is_absolute(shell)) {
+ log_warning_unit(u->id,
+ "Shell %s is not absolute, ignoring.",
+ shell);
}
- username = c->user;
- r = get_user_creds(&username, NULL, NULL, NULL, &shell);
- if (r < 0)
- return strdup("/bin/sh");
+ ret = strdup(shell);
+ if (!ret)
+ log_oom();
- return strdup(shell);
+ return ret;
}
char *unit_name_printf(Unit *u, const char* format) {
* %r root cgroup path of this systemd instance (e.g. "/user/lennart/shared/systemd-4711")
* %R parent of root cgroup path (e.g. "/usr/lennart/shared")
* %t the runtime directory to place sockets in (e.g. "/run" or $XDG_RUNTIME_DIR)
+ * %U the UID of the configured user or running user
* %u the username of the configured user or running user
* %h the homedir of the configured user or running user
* %s the shell of the configured user or running user
* %m the machine ID of the running system
- * %b the boot ID of the running system
* %H the host name of the running system
+ * %b the boot ID of the running system
*/
const Specifier table[] = {
{ 0, NULL, NULL }
};
- assert(u);
assert(format);
return specifier_printf(format, table, u);