From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by passt.top (Postfix) with ESMTP id 198AE5A005E for ; Wed, 15 Feb 2023 09:24:41 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1676449480; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=sd3cKSu2rqmbwmn/ORw1+1EHhlscCHJqT9Pd4nmvc/k=; b=HrL147ROPpq+d8s7Hb9lAylr1W7sdnVFfAF+nk5AAArb3nSBNRyGaWyPyZd59NIhrp/tfG YUcKtXMomvrViyBW2YBVtGTPSTzDC5ROe+RJoRfniZ/kTnOeMw/niaIeH/+QvY99jcoPi3 VfBBRmOPSLe5SEgN/zIESBnp5d1xUwY= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-30-izUK5ymoOyS3zB4FVtQIFQ-1; Wed, 15 Feb 2023 03:24:39 -0500 X-MC-Unique: izUK5ymoOyS3zB4FVtQIFQ-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 93B4685A5A3 for ; Wed, 15 Feb 2023 08:24:38 +0000 (UTC) Received: from vhost3.router.laine.org (unknown [10.2.16.34]) by smtp.corp.redhat.com (Postfix) with ESMTP id 7F5A0C15BAD for ; Wed, 15 Feb 2023 08:24:38 +0000 (UTC) From: Laine Stump To: passt-dev@passt.top Subject: [PATCH v4 5/9] make conf_pasta_ns() exit immediately after logging error Date: Wed, 15 Feb 2023 03:24:33 -0500 Message-Id: <20230215082437.110151-6-laine@redhat.com> In-Reply-To: <20230215082437.110151-1-laine@redhat.com> References: <20230215082437.110151-1-laine@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.8 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII"; x-default=true Message-ID-Hash: 32LP552WTC25SQTOMNE7JSBW4A4N56RZ X-Message-ID-Hash: 32LP552WTC25SQTOMNE7JSBW4A4N56RZ X-MailFrom: laine@redhat.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.3 Precedence: list List-Id: Development discussion and patches for passt Archived-At: Archived-At: List-Archive: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: As with conf_ports, this allows us to make the function return void. Signed-off-by: Laine Stump --- conf.c | 35 +++++++++++------------------------ 1 file changed, 11 insertions(+), 24 deletions(-) diff --git a/conf.c b/conf.c index 0d4ff79..c7ed64c 100644 --- a/conf.c +++ b/conf.c @@ -497,21 +497,15 @@ static int conf_netns_opt(char *netns, const char *arg) * @optind: Index of first non-option argument * @argc: Number of arguments * @argv: Command line arguments - * - * Return: 0 on success, negative error code otherwise */ -static int conf_pasta_ns(int *netns_only, char *userns, char *netns, - int optind, int argc, char *argv[]) +static void conf_pasta_ns(int *netns_only, char *userns, char *netns, + int optind, int argc, char *argv[]) { - if (*netns_only && *userns) { - err("Both --userns and --netns-only given"); - return -EINVAL; - } + if (*netns_only && *userns) + die("Both --userns and --netns-only given"); - if (*netns && optind != argc) { - err("Both --netns and PID or command given"); - return -EINVAL; - } + if (*netns && optind != argc) + die("Both --netns and PID or command given"); if (optind + 1 == argc) { char *endptr; @@ -520,10 +514,8 @@ static int conf_pasta_ns(int *netns_only, char *userns, char *netns, pidval = strtol(argv[optind], &endptr, 10); if (!*endptr) { /* Looks like a pid */ - if (pidval < 0 || pidval > INT_MAX) { - err("Invalid PID %s", argv[optind]); - return -EINVAL; - } + if (pidval < 0 || pidval > INT_MAX) + die("Invalid PID %s", argv[optind]); snprintf(netns, PATH_MAX, "/proc/%ld/ns/net", pidval); if (!*userns) @@ -535,8 +527,6 @@ static int conf_pasta_ns(int *netns_only, char *userns, char *netns, /* Attaching to a netns/PID, with no userns given */ if (*netns && !*userns) *netns_only = 1; - - return 0; } /** conf_ip4_prefix() - Parse an IPv4 prefix length or netmask @@ -1560,13 +1550,10 @@ void conf(struct ctx *c, int argc, char **argv) } } while (name != -1); - if (c->mode == MODE_PASTA) { - if (conf_pasta_ns(&netns_only, userns, netns, - optind, argc, argv) < 0) - usage(argv[0]); - } else if (optind != argc) { + if (c->mode == MODE_PASTA) + conf_pasta_ns(&netns_only, userns, netns, optind, argc, argv); + else if (optind != argc) usage(argv[0]); - } isolate_user(uid, gid, !netns_only, userns, c->mode); -- 2.39.1