From patchwork Tue Nov 14 08:41:12 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jie Hai X-Patchwork-Id: 134232 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 7EDAE43325; Tue, 14 Nov 2023 09:47:14 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id BFB35402DC; Tue, 14 Nov 2023 09:47:13 +0100 (CET) Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) by mails.dpdk.org (Postfix) with ESMTP id 0A5EC402B0 for ; Tue, 14 Nov 2023 09:47:12 +0100 (CET) Received: from kwepemd100004.china.huawei.com (unknown [172.30.72.54]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4SV0Fg6nL7z1P87P; Tue, 14 Nov 2023 16:43:51 +0800 (CST) Received: from localhost.localdomain (10.67.165.2) by kwepemd100004.china.huawei.com (7.221.188.31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.2.1258.23; Tue, 14 Nov 2023 16:47:09 +0800 From: Jie Hai To: , Sunil Kumar Kori , Rakesh Kudurumalla , Nithin Dabilpuram , Jerin Jacob CC: , , Subject: [PATCH v2 01/22] app/graph: replace strtok with reentrant version Date: Tue, 14 Nov 2023 16:41:12 +0800 Message-ID: <20231114084133.3573959-2-haijie1@huawei.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20231114084133.3573959-1-haijie1@huawei.com> References: <20231113104550.2138654-1-haijie1@huawei.com> <20231114084133.3573959-1-haijie1@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.165.2] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To kwepemd100004.china.huawei.com (7.221.188.31) X-CFilter-Loop: Reflected X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Multiple threads calling the same function may cause condition race issues, which often leads to abnormal behavior and can cause more serious vulnerabilities such as abnormal termination, denial of service, and compromised data integrity. The strtok() is non-reentrant, it is better to replace it with a reentrant version. Fixes: 5c59002a34f3 ("app/graph: add graph commands") Fixes: 984a315a5804 ("app/graph: add parser utility") Cc: stable@dpdk.org Signed-off-by: Jie Hai Acked-by: Chengwen Feng --- app/graph/graph.c | 5 +++-- app/graph/utils.c | 15 +++++++++------ 2 files changed, 12 insertions(+), 8 deletions(-) diff --git a/app/graph/graph.c b/app/graph/graph.c index a65723a196da..ed9405ea4bac 100644 --- a/app/graph/graph.c +++ b/app/graph/graph.c @@ -103,9 +103,10 @@ parser_usecases_read(char *usecases) { bool valid = false; uint32_t i, j = 0; + char *sp = NULL; char *token; - token = strtok(usecases, ","); + token = strtok_s(usecases, ",", &sp); while (token != NULL) { for (i = 0; i < RTE_DIM(supported_usecases); i++) { if (strcmp(supported_usecases[i], token) == 0) { @@ -116,7 +117,7 @@ parser_usecases_read(char *usecases) break; } } - token = strtok(NULL, ","); + token = strtok_s(NULL, ",", &sp); } return valid; diff --git a/app/graph/utils.c b/app/graph/utils.c index c7b6ae83cf1f..f7525f0b70af 100644 --- a/app/graph/utils.c +++ b/app/graph/utils.c @@ -101,13 +101,14 @@ int parser_ip4_read(uint32_t *value, char *p) { uint8_t shift = 24; + char *sp = NULL; uint32_t ip = 0; char *token; - token = strtok(p, "."); + token = strtok_s(p, ".", &sp); while (token != NULL) { ip |= (((uint32_t)strtoul(token, NULL, 10)) << shift); - token = strtok(NULL, "."); + token = strtok_s(NULL, ".", &sp); shift -= 8; } @@ -120,13 +121,14 @@ int parser_ip6_read(uint8_t *value, char *p) { uint64_t val = 0; + char *sp = NULL; char *token; - token = strtok(p, ":"); + token = strtok_s(p, ":", &sp); while (token != NULL) { hex_string_to_uint64(&val, token); *value = val; - token = strtok(NULL, ":"); + token = strtok_s(NULL, ":", &sp); value++; val = 0; } @@ -139,13 +141,14 @@ parser_mac_read(uint64_t *value, char *p) { uint64_t mac = 0, val = 0; uint8_t shift = 40; + char *sp = NULL; char *token; - token = strtok(p, ":"); + token = strtok_s(p, ":", &sp); while (token != NULL) { hex_string_to_uint64(&val, token); mac |= val << shift; - token = strtok(NULL, ":"); + token = strtok_s(NULL, ":", &sp); shift -= 8; val = 0; }