From nobody Tue Apr 23 06:41:44 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1526469447970746.1802055977524; Wed, 16 May 2018 04:17:27 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 30F3F10C17E; Wed, 16 May 2018 11:17:26 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 6DAF25D6B4; Wed, 16 May 2018 11:17:25 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 2D0E41801248; Wed, 16 May 2018 11:17:24 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w4GBHMgx018484 for ; Wed, 16 May 2018 07:17:22 -0400 Received: by smtp.corp.redhat.com (Postfix) id 0A434D74A0; Wed, 16 May 2018 11:17:22 +0000 (UTC) Received: from localhost.localdomain.com (unknown [10.33.36.113]) by smtp.corp.redhat.com (Postfix) with ESMTP id E773D63F40; Wed, 16 May 2018 11:17:18 +0000 (UTC) From: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= To: libvir-list@redhat.com Date: Wed, 16 May 2018 12:17:16 +0100 Message-Id: <20180516111716.5879-1-berrange@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 X-loop: libvir-list@redhat.com Cc: Erik Skultety Subject: [libvirt] [PATCH v2] log: actually do substring matches with fnmatch X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Wed, 16 May 2018 11:17:26 +0000 (UTC) X-ZohoMail: RSF_0 Z_629925259 SPT_0 Historically we matched log filters with strstr(), and when switching to fnmatch in cbb0fd3cfdc287f6f4653ef1f04a7cfb2ea51b27, it was stated that we would continue to match substrings, with "foo" being equivalent to "*foo*". Unfortuntely I forget to provide the code to actually make that happen. This fixes it to prepend and append "*". We don't bother to check if the pattern already has a leading/trailing '*', because "**foo**" will match the same as "*foo*". Signed-off-by: Daniel P. Berrang=C3=A9 Reviewed-by: Erik Skultety --- Changed in v2: - Simplify to always append/prepend '*' - Other fixes from Erik src/util/virlog.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/src/util/virlog.c b/src/util/virlog.c index be9fc0cf78..9b63b8e7cd 100644 --- a/src/util/virlog.c +++ b/src/util/virlog.c @@ -1409,6 +1409,7 @@ virLogFilterNew(const char *match, { virLogFilterPtr ret =3D NULL; char *mdup =3D NULL; + size_t mlen =3D strlen(match); =20 virCheckFlags(VIR_LOG_STACK_TRACE, NULL); =20 @@ -1418,9 +1419,16 @@ virLogFilterNew(const char *match, return NULL; } =20 - if (VIR_STRDUP_QUIET(mdup, match) < 0) + /* We must treat 'foo' as equiv to '*foo*' for fnmatch + * todo substring matches, so add 2 extra bytes */ + */ + if (VIR_ALLOC_N_QUIET(mdup, mlen + 3) < 0) return NULL; =20 + mdup[0] =3D '*'; + memcpy(mdup + 1, match, mlen); + mdup[mlen + 1] =3D '*'; + if (VIR_ALLOC_QUIET(ret) < 0) { VIR_FREE(mdup); return NULL; --=20 2.17.0 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list