Change the keyctl_invalidate call to use the syscall interface directly so
that when building with libkeyutils missing keyctl_invalidate the build succeeds.
Attempt to use _invalidate and fall back to _revoke if the current kernel is
missing _invalidate.
Signed-off-by: Benjamin Coddington <bcodding@xxxxxxxxxx>
---
utils/nfsidmap/nfsidmap.c | 15 +++++++++++----
1 files changed, 11 insertions(+), 4 deletions(-)
diff --git a/utils/nfsidmap/nfsidmap.c b/utils/nfsidmap/nfsidmap.c
index e0d31e7..99ae07e 100644
--- a/utils/nfsidmap/nfsidmap.c
+++ b/utils/nfsidmap/nfsidmap.c
@@ -209,10 +209,17 @@ static int key_invalidate(char *keystr, int keymask)
*(strchr(buf, ' ')) = '\0';
sscanf(buf, "%x", &key);
- if (keyctl_invalidate(key) < 0) {
- xlog_err("keyctl_invalidate(0x%x) failed: %m", key);
- fclose(fp);
- return 1;
+/* older libkeyutils compatibility */
+#ifndef KEYCTL_INVALIDATE
+#define KEYCTL_INVALIDATE 21 /* invalidate a key */
+#endif
+ if (keyctl(KEYCTL_INVALIDATE, key) < 0 && errno == EOPNOTSUPP) {
+ /* older kernel compatibility attempt: */
+ if (keyctl_revoke(key) < 0) {
+ xlog_err("keyctl_invalidate(0x%x) failed: %m", key);
+ fclose(fp);
+ return 1;
+ }
}
keymask &= ~mask;
--
1.7.1
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