From patchwork Mon Jan 11 00:37:37 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "brian m. carlson" X-Patchwork-Id: 12009615 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 77283C433E6 for ; Mon, 11 Jan 2021 00:38:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4DB1E22ADF for ; Mon, 11 Jan 2021 00:38:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727041AbhAKAih (ORCPT ); Sun, 10 Jan 2021 19:38:37 -0500 Received: from injection.crustytoothpaste.net ([192.241.140.119]:50500 "EHLO injection.crustytoothpaste.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726362AbhAKAig (ORCPT ); Sun, 10 Jan 2021 19:38:36 -0500 Received: from camp.crustytoothpaste.net (unknown [IPv6:2001:470:b978:101:b610:a2f0:36c1:12e3]) (using TLSv1.2 with cipher ECDHE-RSA-CHACHA20-POLY1305 (256/256 bits)) (No client certificate requested) by injection.crustytoothpaste.net (Postfix) with ESMTPSA id AAF9B6080E; Mon, 11 Jan 2021 00:37:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=crustytoothpaste.net; s=default; t=1610325475; bh=Fv4Gt8h72wYuxAxF7cQhHRiMjfsMQ1PGi3Q32phIhl4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From:Reply-To: Subject:Date:To:CC:Resent-Date:Resent-From:Resent-To:Resent-Cc: In-Reply-To:References:Content-Type:Content-Disposition; b=EyYUQXwbSIfO1UU8Z23bOHUJoIInTt/rQw0A98D9OyJBkqXIt1SEvg5vKbJj1BGq/ f/j++FrL9/MfVMcM9UhU1jXoCiD85+bt4swfctbNyGg9dM5uJq4YO2J6jG+UGY/EvF iuMqKdNCtE1BGzMEgKMJzJwqOZOBAgHVvW0sKhFoBGyMVy99bP+C7t+MybewL2pxen dlaHWKqTBXGz8RJO5cyCGGvO0iTiyE5rjtyUdrap1wJSWVQa7InpkIvXF7KZcS0zCh ICXv7eTUNS741vfdx4lhySTHQiUy4YLK9fVIYcRdbrtY+YYxz8y5u318qS2qCGctlB LMzLDw5wNgCHcteR9+HwebUoxWSQAe3XgDHfVzWHHMe4ctfScauB2aQd2Alz3a2hJd dayomEtXgKynv7z2Ve2uv8QtBPw9cNBVKds+6W1qnhiRs9b+BQjeA8E6Alwy1pAAl6 AMYr6UkWWPpbFzHymVPc7za7w38Kwm/lORgVwDCUSpBVG/80mKC From: "brian m. carlson" To: Cc: Eric Sunshine , Denton Liu , Jeff King Subject: [PATCH 4/5] ref-filter: hoist signature parsing Date: Mon, 11 Jan 2021 00:37:37 +0000 Message-Id: <20210111003740.1319996-5-sandals@crustytoothpaste.net> X-Mailer: git-send-email 2.30.0.284.gd98b1dd5eaa7 In-Reply-To: <20210111003740.1319996-1-sandals@crustytoothpaste.net> References: <20210111003740.1319996-1-sandals@crustytoothpaste.net> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org When we parse a signature in the ref-filter code, we continually increment the buffer pointer. Hoist the signature parsing above the blank line delimiting headers and body so we can find the signature when using a header to sign the buffer. Signed-off-by: brian m. carlson --- ref-filter.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/ref-filter.c b/ref-filter.c index 8d8baec1b5..32ed4d5111 100644 --- a/ref-filter.c +++ b/ref-filter.c @@ -1221,6 +1221,8 @@ static void find_subpos(const char *buf, const char *end = buf + strlen(buf); const char *sigstart; + /* parse signature first; we might not even have a subject line */ + parse_signature(buf, end - buf, &payload, &signature); /* skip past header until we hit empty line */ while (*buf && *buf != '\n') { @@ -1232,9 +1234,6 @@ static void find_subpos(const char *buf, /* skip any empty lines */ while (*buf == '\n') buf++; - - /* parse signature first; we might not even have a subject line */ - parse_signature(buf, end - buf, &payload, &signature); *sig = strbuf_detach(&signature, siglen); sigstart = buf + parse_signed_buffer(buf, strlen(buf)); @@ -1330,7 +1329,7 @@ static void grab_sub_body_contents(struct atom_value *val, int deref, void *buf) v->s = xmemdupz(sigpos, siglen); else if (atom->u.contents.option == C_LINES) { struct strbuf s = STRBUF_INIT; - const char *contents_end = bodylen + bodypos - siglen; + const char *contents_end = bodypos + nonsiglen; /* Size is the length of the message after removing the signature */ append_lines(&s, subpos, contents_end - subpos, atom->u.contents.nlines);