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-rw-r--r--subversion/svnserve/cyrus_auth.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/subversion/svnserve/cyrus_auth.c b/subversion/svnserve/cyrus_auth.c
index 98d9cedaf269..40f4228a999f 100644
--- a/subversion/svnserve/cyrus_auth.c
+++ b/subversion/svnserve/cyrus_auth.c
@@ -74,6 +74,8 @@ static int canonicalize_username(sasl_conn_t *conn,
{
/* The only valid realm is user_realm (i.e. the repository's realm).
If the user gave us another realm, complain. */
+ if (realm_len != inlen-(pos-in+1))
+ return SASL_BADPROT;
if (strncmp(pos+1, user_realm, inlen-(pos-in+1)) != 0)
return SASL_BADPROT;
}