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-rw-r--r--src/util/sss_krb5.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/src/util/sss_krb5.c b/src/util/sss_krb5.c
index 98853199..81a1623e 100644
--- a/src/util/sss_krb5.c
+++ b/src/util/sss_krb5.c
@@ -1104,14 +1104,20 @@ sss_krb5_read_etypes_for_keytab(TALLOC_CTX *mem_ctx,
}
if (ret == 0) {
- /* Sort the preferred enctypes first */
- qsort(etypes, count, sizeof(*etypes), compare_etypes);
- etypes = talloc_realloc(tmp_ctx, etypes, krb5_enctype, count);
- if (etypes == NULL) {
- ret = ENOMEM;
+ if (etypes) {
+ /* Sort the preferred enctypes first */
+ qsort(etypes, count, sizeof(*etypes), compare_etypes);
+ etypes = talloc_realloc(tmp_ctx, etypes, krb5_enctype, count);
+ if (etypes == NULL) {
+ ret = ENOMEM;
+ } else {
+ *etype_list = talloc_steal(mem_ctx, etypes);
+ *n_etype_list = count;
+ }
} else {
- *etype_list = talloc_steal(mem_ctx, etypes);
- *n_etype_list = count;
+ /* The key table was empty. There are no enctypes to match */
+ *etype_list = NULL;
+ *n_etype_list = 0;
}
}