From patchwork Mon Oct 21 13:28:31 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dehan Meng X-Patchwork-Id: 1999950 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=N2/sWXtY; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4XXGPb2H2Jz1xvp for ; Tue, 22 Oct 2024 00:29:39 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1t2sTD-00069y-8K; Mon, 21 Oct 2024 09:29:15 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1t2sT3-000691-VU for qemu-devel@nongnu.org; Mon, 21 Oct 2024 09:29:07 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1t2sSz-0000dZ-8G for qemu-devel@nongnu.org; Mon, 21 Oct 2024 09:29:05 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1729517338; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=dFJX0RXBRI609Uw2UE3rlCY7D25DaDb/nXWwGlBpCt0=; b=N2/sWXtYe1FTmnS9Ueb8KWp8a5vmTV9tZhRU50P0WGj5VtYz8Xtu0DcyE+KuleqK8ENoDr JUEd4FzvW6Dy1dTZaQUCkKQ+8mlPVgTJ6DfSAgYDJk/qC53EdzA237rm/2bdzrudbG3Fy3 JuJtoU8yIOKcOw0O5fb0FvuH4C4R+/U= Received: from mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-412-MQmh2p6ROGiRiYRBQWuaaw-1; Mon, 21 Oct 2024 09:28:57 -0400 X-MC-Unique: MQmh2p6ROGiRiYRBQWuaaw-1 Received: from mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.40]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id F22751955EE6; Mon, 21 Oct 2024 13:28:55 +0000 (UTC) Received: from fedora.redhat.com (unknown [10.72.116.80]) by mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 3667119560AA; Mon, 21 Oct 2024 13:28:51 +0000 (UTC) From: Dehan Meng To: qemu-devel@nongnu.org Cc: demeng@redhat.com, kkostiuk@redhat.com, michael.roth@amd.com, peter.maydell@linaro.org, berrange@redhat.com Subject: [PATCH v2 1/4] sscanf return values are checked to ensure correct parsing. Date: Mon, 21 Oct 2024 21:28:31 +0800 Message-Id: <20241021132839.463255-2-demeng@redhat.com> In-Reply-To: <20241021132839.463255-1-demeng@redhat.com> References: <20241021132839.463255-1-demeng@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 Received-SPF: pass client-ip=170.10.133.124; envelope-from=demeng@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.421, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Dehan Meng --- qga/commands-linux.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/qga/commands-linux.c b/qga/commands-linux.c index 51d5e3d927..2c2b5f4ff2 100644 --- a/qga/commands-linux.c +++ b/qga/commands-linux.c @@ -2103,7 +2103,9 @@ static char *hexToIPAddress(const void *hexValue, int is_ipv6) int i; 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Mon, 21 Oct 2024 13:28:56 +0000 (UTC) From: Dehan Meng To: qemu-devel@nongnu.org Cc: demeng@redhat.com, kkostiuk@redhat.com, michael.roth@amd.com, peter.maydell@linaro.org, berrange@redhat.com Subject: [PATCH v2 2/4] Proper initialization of n to 0 for getline to function correctly. Date: Mon, 21 Oct 2024 21:28:32 +0800 Message-Id: <20241021132839.463255-3-demeng@redhat.com> In-Reply-To: <20241021132839.463255-1-demeng@redhat.com> References: <20241021132839.463255-1-demeng@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 Received-SPF: pass client-ip=170.10.129.124; envelope-from=demeng@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.421, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-1.699, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Dehan Meng --- qga/commands-linux.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/qga/commands-linux.c b/qga/commands-linux.c index 2c2b5f4ff2..b905f33a57 100644 --- a/qga/commands-linux.c +++ b/qga/commands-linux.c @@ -2126,7 +2126,7 @@ GuestNetworkRouteList *qmp_guest_network_get_route(Error **errp) GuestNetworkRouteList *head = NULL, **tail = &head; const char *routeFiles[] = {"/proc/net/route", "/proc/net/ipv6_route"}; FILE *fp; - size_t n; + size_t n = 0; char *line = NULL; int firstLine; int is_ipv6; From patchwork Mon Oct 21 13:28:33 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dehan Meng X-Patchwork-Id: 1999956 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=OTioEiuL; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4XXGRQ3mBpz1xvv for ; 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Mon, 21 Oct 2024 13:29:00 +0000 (UTC) From: Dehan Meng To: qemu-devel@nongnu.org Cc: demeng@redhat.com, kkostiuk@redhat.com, michael.roth@amd.com, peter.maydell@linaro.org, berrange@redhat.com Subject: [PATCH v2 3/4] Avoiding freeing line prematurely. It's now only freed at the end of the function. Date: Mon, 21 Oct 2024 21:28:33 +0800 Message-Id: <20241021132839.463255-4-demeng@redhat.com> In-Reply-To: <20241021132839.463255-1-demeng@redhat.com> References: <20241021132839.463255-1-demeng@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 Received-SPF: pass client-ip=170.10.129.124; envelope-from=demeng@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.421, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-1.699, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Dehan Meng --- qga/commands-linux.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/qga/commands-linux.c b/qga/commands-linux.c index b905f33a57..4f0e38be81 100644 --- a/qga/commands-linux.c +++ b/qga/commands-linux.c @@ -2137,8 +2137,7 @@ GuestNetworkRouteList *qmp_guest_network_get_route(Error **errp) is_ipv6 = (i == 1); fp = fopen(routeFiles[i], "r"); if (fp == NULL) { - error_setg_errno(errp, errno, "open(\"%s\")", routeFiles[i]); - free(line); + error_setg_errno(errp, errno, "open(\"%s\")", route_files[i]); continue; } @@ -2218,9 +2217,8 @@ GuestNetworkRouteList *qmp_guest_network_get_route(Error **errp) QAPI_LIST_APPEND(tail, route); } - free(line); fclose(fp); } - + free(line); return head; } From patchwork Mon Oct 21 13:28:39 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dehan Meng X-Patchwork-Id: 1999952 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=IALPUw/i; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; 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Mon, 21 Oct 2024 13:29:32 +0000 (UTC) Received: from fedora.redhat.com (unknown [10.72.116.80]) by mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 14DB21955F43; Mon, 21 Oct 2024 13:29:28 +0000 (UTC) From: Dehan Meng To: qemu-devel@nongnu.org Cc: demeng@redhat.com, kkostiuk@redhat.com, michael.roth@amd.com, peter.maydell@linaro.org, berrange@redhat.com Subject: [PATCH v3 4/4] qemu-ga: For correcting code style Date: Mon, 21 Oct 2024 21:28:39 +0800 Message-Id: <20241021132839.463255-10-demeng@redhat.com> In-Reply-To: <20241021132839.463255-1-demeng@redhat.com> References: <20241021132839.463255-1-demeng@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 Received-SPF: pass client-ip=170.10.133.124; envelope-from=demeng@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.421, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Variable declarations moved to the beginning of blocks Followed the coding style of using snake_case for variable names. And merged redundant route and networkroute variables. Signed-off-by: Dehan Meng --- qga/commands-linux.c | 123 ++++++++++++++++++++----------------------- 1 file changed, 58 insertions(+), 65 deletions(-) diff --git a/qga/commands-linux.c b/qga/commands-linux.c index c6bda78de6..9fb31956b4 100644 --- a/qga/commands-linux.c +++ b/qga/commands-linux.c @@ -2094,12 +2094,12 @@ GuestCpuStatsList *qmp_guest_get_cpustats(Error **errp) return head; } -static char *hexToIPAddress(const void *hexValue, int is_ipv6) +static char *hex_to_ip_address(const void *hex_value, int is_ipv6) { if (is_ipv6) { char addr[INET6_ADDRSTRLEN]; struct in6_addr in6; - const char *hexStr = (const char *)hexValue; + const char *hex_str = (const char *)hex_value; int i; for (i = 0; i < 16; i++) { @@ -2111,11 +2111,11 @@ static char *hexToIPAddress(const void *hexValue, int is_ipv6) return g_strdup(addr); } else { - unsigned int hexInt = *(unsigned int *)hexValue; - unsigned int byte1 = (hexInt >> 24) & 0xFF; - unsigned int byte2 = (hexInt >> 16) & 0xFF; - unsigned int byte3 = (hexInt >> 8) & 0xFF; - unsigned int byte4 = hexInt & 0xFF; + unsigned int hex_int = *(unsigned int *)hex_value; + unsigned int byte1 = (hex_int >> 24) & 0xFF; + unsigned int byte2 = (hex_int >> 16) & 0xFF; + unsigned int byte3 = (hex_int >> 8) & 0xFF; + unsigned int byte4 = hex_int & 0xFF; return g_strdup_printf("%u.%u.%u.%u", byte4, byte3, byte2, byte1); } @@ -2131,6 +2131,7 @@ GuestNetworkRouteList *qmp_guest_network_get_route(Error **errp) int firstLine; int is_ipv6; int i; + char iface[IFNAMSIZ]; for (i = 0; i < 2; i++) { firstLine = 1; @@ -2146,80 +2147,72 @@ GuestNetworkRouteList *qmp_guest_network_get_route(Error **errp) firstLine = 0; continue; } - GuestNetworkRoute *route = NULL; - GuestNetworkRoute *networkroute; - char Iface[IFNAMSIZ]; - if (is_ipv6) { - char Destination[33], Source[33], NextHop[33]; - int DesPrefixlen, SrcPrefixlen, Metric, RefCnt, Use, Flags; - /* Parse the line and extract the values */ + if (is_ipv6) { + char destination[33], source[33], next_hop[33]; + int des_prefixlen, src_prefixlen, metric, refcnt, use, flags; if (sscanf(line, "%32s %x %32s %x %32s %x %x %x %x %s", - Destination, &DesPrefixlen, Source, - &SrcPrefixlen, NextHop, &Metric, &RefCnt, - &Use, &Flags, Iface) != 10) { + destination, &des_prefixlen, source, + &src_prefixlen, next_hop, &metric, &refcnt, + &use, &flags, iface) != 10) { continue; } - route = g_new0(GuestNetworkRoute, 1); - networkroute = route; - networkroute->iface = g_strdup(Iface); - networkroute->destination = hexToIPAddress(Destination, 1); - if (networkroute->destination == NULL) { + GuestNetworkRoute *route = g_new0(GuestNetworkRoute, 1); + + route->destination = hex_to_ip_address(destination, 1); + if (route->destination == NULL) { g_free(route); continue; } - networkroute->metric = Metric; - networkroute->source = hexToIPAddress(Source, 1); - networkroute->desprefixlen = g_strdup_printf( - "%d", DesPrefixlen - ); - networkroute->srcprefixlen = g_strdup_printf( - "%d", SrcPrefixlen - ); - networkroute->nexthop = hexToIPAddress(NextHop, 1); - networkroute->has_flags = true; - networkroute->flags = Flags; - networkroute->has_refcnt = true; - networkroute->refcnt = RefCnt; - networkroute->has_use = true; - networkroute->use = Use; - networkroute->version = 6; + route->iface = g_strdup(iface); + route->destination = hex_to_ip_address(destination, 1); + route->source = hex_to_ip_address(source, 1); + route->nexthop = hex_to_ip_address(next_hop, 1); + route->desprefixlen = g_strdup_printf("%d", des_prefixlen); + route->srcprefixlen = g_strdup_printf("%d", src_prefixlen); + route->metric = metric; + route->has_flags = true; + route->flags = flags; + route->has_refcnt = true; + route->refcnt = refcnt; + route->has_use = true; + route->use = use; + route->version = 6; } else { - unsigned int Destination, Gateway, Mask, Flags; - int RefCnt, Use, Metric, MTU, Window, IRTT; - - /* Parse the line and extract the values */ + unsigned int destination, gateway, mask, flags; + int refcnt, use, metric, mtu, window, irtt; if (sscanf(line, "%s %X %X %x %d %d %d %X %d %d %d", - Iface, &Destination, &Gateway, &Flags, &RefCnt, - &Use, &Metric, &Mask, &MTU, &Window, &IRTT) != 11) { + iface, &destination, &gateway, &flags, &refcnt, + &use, &metric, &mask, &mtu, &window, &irtt) != 11) { continue; } - route = g_new0(GuestNetworkRoute, 1); - networkroute = route; - networkroute->iface = g_strdup(Iface); - networkroute->destination = hexToIPAddress(&Destination, 0); - if (networkroute->destination == NULL) { + GuestNetworkRoute *route = g_new0(GuestNetworkRoute, 1); + + route->destination = hex_to_ip_address(destination, 1); + if (route->destination == NULL) { g_free(route); continue; } - networkroute->gateway = hexToIPAddress(&Gateway, 0); - networkroute->mask = hexToIPAddress(&Mask, 0); - networkroute->metric = Metric; - networkroute->has_flags = true; - networkroute->flags = Flags; - networkroute->has_refcnt = true; - networkroute->refcnt = RefCnt; - networkroute->has_use = true; - networkroute->use = Use; - networkroute->has_mtu = true; - networkroute->mtu = MTU; - networkroute->has_window = true; - networkroute->window = Window; - networkroute->has_irtt = true; - networkroute->irtt = IRTT; - networkroute->version = 4; + route->iface = g_strdup(iface); + route->destination = hex_to_ip_address(&destination, 0); + route->gateway = hex_to_ip_address(&gateway, 0); + route->mask = hex_to_ip_address(&mask, 0); + route->metric = metric; + route->has_flags = true; + route->flags = flags; + route->has_refcnt = true; + route->refcnt = refcnt; + route->has_use = true; + route->use = use; + route->has_mtu = true; + route->mtu = mtu; + route->has_window = true; + route->window = window; + route->has_irtt = true; + route->irtt = irtt; + route->version = 4; } QAPI_LIST_APPEND(tail, route);