From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pablo Neira Ayuso Subject: [PATCH 23/32] netfilter: nf_nat_snmp_basic: remove debug parameter Date: Fri, 19 Jan 2018 20:10:32 +0100 Message-ID: <20180119191041.25804-24-pablo@netfilter.org> References: <20180119191041.25804-1-pablo@netfilter.org> Cc: davem@davemloft.net, netdev@vger.kernel.org To: netfilter-devel@vger.kernel.org Return-path: Received: from mail.us.es ([193.147.175.20]:45144 "EHLO mail.us.es" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755993AbeASTLO (ORCPT ); Fri, 19 Jan 2018 14:11:14 -0500 Received: from antivirus1-rhel7.int (unknown [192.168.2.11]) by mail.us.es (Postfix) with ESMTP id 7A90B2EFEB4 for ; Fri, 19 Jan 2018 20:11:08 +0100 (CET) Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id 5DBE1DA38F for ; Fri, 19 Jan 2018 20:11:08 +0100 (CET) In-Reply-To: <20180119191041.25804-1-pablo@netfilter.org> Sender: netdev-owner@vger.kernel.org List-ID: From: Taehee Yoo To see debug message of nf_nat_snmp_basic, we should set debug value when we insert this module. but it is inconvenient and only using of the dynamic debugging is enough to debug. This patch just removes debug code. then in the next patch, debugging code will be added. Signed-off-by: Taehee Yoo Signed-off-by: Pablo Neira Ayuso --- net/ipv4/netfilter/nf_nat_snmp_basic.c | 62 ---------------------------------- 1 file changed, 62 deletions(-) diff --git a/net/ipv4/netfilter/nf_nat_snmp_basic.c b/net/ipv4/netfilter/nf_nat_snmp_basic.c index d6f03fe9f9b4..e5ec946f0765 100644 --- a/net/ipv4/netfilter/nf_nat_snmp_basic.c +++ b/net/ipv4/netfilter/nf_nat_snmp_basic.c @@ -66,7 +66,6 @@ MODULE_ALIAS("ip_nat_snmp_basic"); #define SNMP_TRAP_PORT 162 #define NOCT1(n) (*(u8 *)(n)) -static int debug; static DEFINE_SPINLOCK(snmp_lock); /* @@ -888,23 +887,13 @@ static inline void mangle_address(unsigned char *begin, __sum16 *check) { if (map->from == NOCT1(addr)) { - u_int32_t old; - - if (debug) - memcpy(&old, addr, sizeof(old)); - *addr = map->to; /* Update UDP checksum if being used */ if (*check) { fast_csum(check, &map->from, &map->to, addr - begin); - } - - if (debug) - printk(KERN_DEBUG "bsalg: mapped %pI4 to %pI4\n", - &old, addr); } } @@ -995,10 +984,6 @@ static int snmp_parse_mangle(unsigned char *msg, struct asn1_octstr comm; struct snmp_object *obj; - if (debug > 1) - print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_NONE, 16, 1, - msg, len, 0); - asn1_open(&ctx, msg, len); /* @@ -1018,8 +1003,6 @@ static int snmp_parse_mangle(unsigned char *msg, return 0; if (!asn1_uint_decode (&ctx, end, &vers)) return 0; - if (debug > 1) - pr_debug("bsalg: snmp version: %u\n", vers + 1); if (vers > 1) return 1; @@ -1032,14 +1015,6 @@ static int snmp_parse_mangle(unsigned char *msg, return 0; if (!asn1_octets_decode(&ctx, end, &comm.data, &comm.len)) return 0; - if (debug > 1) { - unsigned int i; - - pr_debug("bsalg: community: "); - for (i = 0; i < comm.len; i++) - pr_cont("%c", comm.data[i]); - pr_cont("\n"); - } kfree(comm.data); /* @@ -1049,23 +1024,6 @@ static int snmp_parse_mangle(unsigned char *msg, return 0; if (cls != ASN1_CTX || con != ASN1_CON) return 0; - if (debug > 1) { - static const unsigned char *const pdus[] = { - [SNMP_PDU_GET] = "get", - [SNMP_PDU_NEXT] = "get-next", - [SNMP_PDU_RESPONSE] = "response", - [SNMP_PDU_SET] = "set", - [SNMP_PDU_TRAP1] = "trapv1", - [SNMP_PDU_BULK] = "bulk", - [SNMP_PDU_INFORM] = "inform", - [SNMP_PDU_TRAP2] = "trapv2" - }; - - if (pdutype > SNMP_PDU_TRAP2) - pr_debug("bsalg: bad pdu type %u\n", pdutype); - else - pr_debug("bsalg: pdu: %s\n", pdus[pdutype]); - } if (pdutype != SNMP_PDU_RESPONSE && pdutype != SNMP_PDU_TRAP1 && pdutype != SNMP_PDU_TRAP2) return 1; @@ -1088,11 +1046,6 @@ static int snmp_parse_mangle(unsigned char *msg, if (!snmp_request_decode(&ctx, &req)) return 0; - - if (debug > 1) - pr_debug("bsalg: request: id=0x%lx error_status=%u " - "error_index=%u\n", req.id, req.error_status, - req.error_index); } /* @@ -1105,8 +1058,6 @@ static int snmp_parse_mangle(unsigned char *msg, return 0; while (!asn1_eoc_decode(&ctx, eoc)) { - unsigned int i; - if (!snmp_object_decode(&ctx, &obj)) { if (obj) { kfree(obj->id); @@ -1115,17 +1066,6 @@ static int snmp_parse_mangle(unsigned char *msg, return 0; } - if (debug > 1) { - pr_debug("bsalg: object: "); - for (i = 0; i < obj->id_len; i++) { - if (i > 0) - pr_cont("."); - pr_cont("%lu", obj->id[i]); - } - pr_cont(": type=%u\n", obj->type); - - } - if (obj->type == SNMP_IPADDR) mangle_address(ctx.begin, ctx.pointer - 4, map, check); @@ -1252,5 +1192,3 @@ static void __exit nf_nat_snmp_basic_fini(void) module_init(nf_nat_snmp_basic_init); module_exit(nf_nat_snmp_basic_fini); - -module_param(debug, int, 0600); -- 2.11.0