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-rw-r--r--usr.sbin/jexec/jexec.c28
1 files changed, 11 insertions, 17 deletions
diff --git a/usr.sbin/jexec/jexec.c b/usr.sbin/jexec/jexec.c
index 9d788dd..7237b5a 100644
--- a/usr.sbin/jexec/jexec.c
+++ b/usr.sbin/jexec/jexec.c
@@ -119,8 +119,8 @@ lookup_jail(int jid, char *jailname)
j = len;
for (i = 0; i < 4; i++) {
- if (len <= 0)
- exit(0);
+ if (len == 0)
+ return (-1);
p = q = malloc(len);
if (p == NULL)
err(1, "malloc()");
@@ -174,27 +174,21 @@ lookup_jail(int jid, char *jailname)
/* NOTREACHED */
break;
}
- /* Possible match. */
- if (id > 0) {
- /* Do we have a jail ID to match as well? */
- if (jid > 0) {
- if (jid == id) {
- xid = id;
- count++;
- }
- } else {
- xid = id;
- count++;
- }
+ /* Possible match; see if we have a jail ID to match as well. */
+ if (id > 0 && (jid <= 0 || id == jid)) {
+ xid = id;
+ count++;
}
}
free(p);
- if (count != 1)
+ if (count == 1)
+ return (xid);
+ else if (count > 1)
errx(1, "Could not uniquely identify the jail.");
-
- return (xid);
+ else
+ return (-1);
}
#define GET_USER_INFO do { \
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