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-rw-r--r--src/core/socket.c22
1 files changed, 14 insertions, 8 deletions
diff --git a/src/core/socket.c b/src/core/socket.c
index 7c18a2b75c..536904f309 100644
--- a/src/core/socket.c
+++ b/src/core/socket.c
@@ -663,16 +663,22 @@ static int instance_from_socket(int fd, unsigned nr, char **instance) {
int k;
k = getpeercred(fd, &ucred);
- if (k < 0)
+ if (k >= 0) {
+ if (asprintf(&r,
+ "%u-"PID_FMT"-"UID_FMT,
+ nr, ucred.pid, ucred.uid) < 0)
+ return -ENOMEM;
+ } else if (k == -ENODATA) {
+ /* This handles the case where somebody is
+ * connecting from another pid/uid namespace
+ * (e.g. from outside of our container). */
+ if (asprintf(&r,
+ "%u-unknown",
+ nr) < 0)
+ return -ENOMEM;
+ } else
return k;
- if (asprintf(&r,
- "%u-%lu-%lu",
- nr,
- (unsigned long) ucred.pid,
- (unsigned long) ucred.uid) < 0)
- return -ENOMEM;
-
break;
}