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-rw-r--r--man/systemd.unit.xml5
-rw-r--r--src/core/unit-printf.c17
2 files changed, 20 insertions, 2 deletions
diff --git a/man/systemd.unit.xml b/man/systemd.unit.xml
index 35644d38a6..bf91b4eb13 100644
--- a/man/systemd.unit.xml
+++ b/man/systemd.unit.xml
@@ -264,6 +264,11 @@
<entry>This is the name of the configured user of the unit, or (if none is set) the user running the systemd instance.</entry>
</row>
<row>
+ <entry><literal>%U</literal></entry>
+ <entry>User uid</entry>
+ <entry>This is the uid of the configured user of the unit, or (if none is set) the user running the systemd instance.</entry>
+ </row>
+ <row>
<entry><literal>%h</literal></entry>
<entry>User home directory</entry>
<entry>This is the home directory of the configured user of the unit, or (if none is set) the user running the systemd instance.</entry>
diff --git a/src/core/unit-printf.c b/src/core/unit-printf.c
index a8eb60a3d4..a58c96c238 100644
--- a/src/core/unit-printf.c
+++ b/src/core/unit-printf.c
@@ -123,6 +123,8 @@ static char *specifier_user_name(char specifier, void *data, void *userdata) {
ExecContext *c;
int r;
const char *username;
+ uid_t uid;
+ char *printed = NULL;
assert(u);
@@ -134,11 +136,21 @@ static char *specifier_user_name(char specifier, void *data, void *userdata) {
/* fish username from passwd */
username = c->user;
- r = get_user_creds(&username, NULL, NULL, NULL, NULL);
+ r = get_user_creds(&username, &uid, NULL, NULL, NULL);
if (r < 0)
return NULL;
- return strdup(username);
+ switch (specifier) {
+ case 'U':
+ if (asprintf(&printed, "%d", uid) < 0)
+ return NULL;
+ break;
+ case 'u':
+ printed = strdup(username);
+ break;
+ }
+
+ return printed;
}
static char *specifier_user_home(char specifier, void *data, void *userdata) {
@@ -292,6 +304,7 @@ char *unit_full_printf(Unit *u, const char *format) {
{ 'r', specifier_cgroup_root, NULL },
{ 'R', specifier_cgroup_root, NULL },
{ 't', specifier_runtime, NULL },
+ { 'U', specifier_user_name, NULL },
{ 'u', specifier_user_name, NULL },
{ 'h', specifier_user_home, NULL },
{ 's', specifier_user_shell, NULL },