From ccb79bdce71f2c04cfa9bfcbaf4d37e2f963d684 Mon Sep 17 00:00:00 2001 From: Jan Engelhardt Date: Sat, 7 Jul 2007 22:16:00 -0700 Subject: [NETFILTER]: x_tables: switch xt_match->checkentry to bool Switch the return type of match functions to boolean Signed-off-by: Jan Engelhardt Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- net/netfilter/xt_connbytes.c | 18 +++++++++--------- net/netfilter/xt_connmark.c | 8 ++++---- net/netfilter/xt_conntrack.c | 6 +++--- net/netfilter/xt_dccp.c | 2 +- net/netfilter/xt_dscp.c | 14 +++++++------- net/netfilter/xt_esp.c | 6 +++--- net/netfilter/xt_hashlimit.c | 16 ++++++++-------- net/netfilter/xt_helper.c | 14 +++++++------- net/netfilter/xt_limit.c | 6 +++--- net/netfilter/xt_mark.c | 6 +++--- net/netfilter/xt_multiport.c | 10 +++++----- net/netfilter/xt_physdev.c | 8 ++++---- net/netfilter/xt_policy.c | 16 ++++++++-------- net/netfilter/xt_quota.c | 6 +++--- net/netfilter/xt_sctp.c | 2 +- net/netfilter/xt_state.c | 14 +++++++------- net/netfilter/xt_statistic.c | 6 +++--- net/netfilter/xt_string.c | 20 ++++++++++---------- net/netfilter/xt_tcpudp.c | 4 ++-- 19 files changed, 91 insertions(+), 91 deletions(-) (limited to 'net/netfilter') diff --git a/net/netfilter/xt_connbytes.c b/net/netfilter/xt_connbytes.c index aada7b797549..12541784109a 100644 --- a/net/netfilter/xt_connbytes.c +++ b/net/netfilter/xt_connbytes.c @@ -95,31 +95,31 @@ match(const struct sk_buff *skb, return (what >= sinfo->count.from); } -static int check(const char *tablename, - const void *ip, - const struct xt_match *match, - void *matchinfo, - unsigned int hook_mask) +static bool check(const char *tablename, + const void *ip, + const struct xt_match *match, + void *matchinfo, + unsigned int hook_mask) { const struct xt_connbytes_info *sinfo = matchinfo; if (sinfo->what != XT_CONNBYTES_PKTS && sinfo->what != XT_CONNBYTES_BYTES && sinfo->what != XT_CONNBYTES_AVGPKT) - return 0; + return false; if (sinfo->direction != XT_CONNBYTES_DIR_ORIGINAL && sinfo->direction != XT_CONNBYTES_DIR_REPLY && sinfo->direction != XT_CONNBYTES_DIR_BOTH) - return 0; + return false; if (nf_ct_l3proto_try_module_get(match->family) < 0) { printk(KERN_WARNING "can't load conntrack support for " "proto=%d\n", match->family); - return 0; + return false; } - return 1; + return true; } static void diff --git a/net/netfilter/xt_connmark.c b/net/netfilter/xt_connmark.c index 3321b80aff4f..94d5251b3d88 100644 --- a/net/netfilter/xt_connmark.c +++ b/net/netfilter/xt_connmark.c @@ -51,7 +51,7 @@ match(const struct sk_buff *skb, return (((ct->mark) & info->mask) == info->mark) ^ info->invert; } -static int +static bool checkentry(const char *tablename, const void *ip, const struct xt_match *match, @@ -62,14 +62,14 @@ checkentry(const char *tablename, if (cm->mark > 0xffffffff || cm->mask > 0xffffffff) { printk(KERN_WARNING "connmark: only support 32bit mark\n"); - return 0; + return false; } if (nf_ct_l3proto_try_module_get(match->family) < 0) { printk(KERN_WARNING "can't load conntrack support for " "proto=%d\n", match->family); - return 0; + return false; } - return 1; + return true; } static void diff --git a/net/netfilter/xt_conntrack.c b/net/netfilter/xt_conntrack.c index 26901f95bf4b..87364f58a4b9 100644 --- a/net/netfilter/xt_conntrack.c +++ b/net/netfilter/xt_conntrack.c @@ -114,7 +114,7 @@ match(const struct sk_buff *skb, return true; } -static int +static bool checkentry(const char *tablename, const void *ip, const struct xt_match *match, @@ -124,9 +124,9 @@ checkentry(const char *tablename, if (nf_ct_l3proto_try_module_get(match->family) < 0) { printk(KERN_WARNING "can't load conntrack support for " "proto=%d\n", match->family); - return 0; + return false; } - return 1; + return true; } static void destroy(const struct xt_match *match, void *matchinfo) diff --git a/net/netfilter/xt_dccp.c b/net/netfilter/xt_dccp.c index b0eba4e2c53f..24895902cfe0 100644 --- a/net/netfilter/xt_dccp.c +++ b/net/netfilter/xt_dccp.c @@ -126,7 +126,7 @@ match(const struct sk_buff *skb, XT_DCCP_OPTION, info->flags, info->invflags); } -static int +static bool checkentry(const char *tablename, const void *inf, const struct xt_match *match, diff --git a/net/netfilter/xt_dscp.c b/net/netfilter/xt_dscp.c index c9c6518907a2..35cabca28eff 100644 --- a/net/netfilter/xt_dscp.c +++ b/net/netfilter/xt_dscp.c @@ -52,20 +52,20 @@ static bool match6(const struct sk_buff *skb, return (dscp == info->dscp) ^ !!info->invert; } -static int checkentry(const char *tablename, - const void *info, - const struct xt_match *match, - void *matchinfo, - unsigned int hook_mask) +static bool checkentry(const char *tablename, + const void *info, + const struct xt_match *match, + void *matchinfo, + unsigned int hook_mask) { const u_int8_t dscp = ((struct xt_dscp_info *)matchinfo)->dscp; if (dscp > XT_DSCP_MAX) { printk(KERN_ERR "xt_dscp: dscp %x out of range\n", dscp); - return 0; + return false; } - return 1; + return true; } static struct xt_match xt_dscp_match[] = { diff --git a/net/netfilter/xt_esp.c b/net/netfilter/xt_esp.c index 1a945cb7c359..1a6ae8a047c7 100644 --- a/net/netfilter/xt_esp.c +++ b/net/netfilter/xt_esp.c @@ -74,7 +74,7 @@ match(const struct sk_buff *skb, } /* Called when user tries to insert an entry of this type. */ -static int +static bool checkentry(const char *tablename, const void *ip_void, const struct xt_match *match, @@ -85,10 +85,10 @@ checkentry(const char *tablename, if (espinfo->invflags & ~XT_ESP_INV_MASK) { duprintf("xt_esp: unknown flags %X\n", espinfo->invflags); - return 0; + return false; } - return 1; + return true; } static struct xt_match xt_esp_match[] = { diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c index 21597b755cea..a1b5996447dd 100644 --- a/net/netfilter/xt_hashlimit.c +++ b/net/netfilter/xt_hashlimit.c @@ -492,7 +492,7 @@ hotdrop: return false; } -static int +static bool hashlimit_checkentry(const char *tablename, const void *inf, const struct xt_match *match, @@ -506,20 +506,20 @@ hashlimit_checkentry(const char *tablename, user2credits(r->cfg.avg * r->cfg.burst) < user2credits(r->cfg.avg)) { printk(KERN_ERR "xt_hashlimit: overflow, try lower: %u/%u\n", r->cfg.avg, r->cfg.burst); - return 0; + return false; } if (r->cfg.mode == 0 || r->cfg.mode > (XT_HASHLIMIT_HASH_DPT | XT_HASHLIMIT_HASH_DIP | XT_HASHLIMIT_HASH_SIP | XT_HASHLIMIT_HASH_SPT)) - return 0; + return false; if (!r->cfg.gc_interval) - return 0; + return false; if (!r->cfg.expire) - return 0; + return false; if (r->name[sizeof(r->name) - 1] != '\0') - return 0; + return false; /* This is the best we've got: We cannot release and re-grab lock, * since checkentry() is called before x_tables.c grabs xt_mutex. @@ -531,13 +531,13 @@ hashlimit_checkentry(const char *tablename, r->hinfo = htable_find_get(r->name, match->family); if (!r->hinfo && htable_create(r, match->family) != 0) { mutex_unlock(&hlimit_mutex); - return 0; + return false; } mutex_unlock(&hlimit_mutex); /* Ugly hack: For SMP, we only want to use one set */ r->u.master = r; - return 1; + return true; } static void diff --git a/net/netfilter/xt_helper.c b/net/netfilter/xt_helper.c index 10c629b34abf..a2688b807a99 100644 --- a/net/netfilter/xt_helper.c +++ b/net/netfilter/xt_helper.c @@ -76,21 +76,21 @@ out_unlock: return ret; } -static int check(const char *tablename, - const void *inf, - const struct xt_match *match, - void *matchinfo, - unsigned int hook_mask) +static bool check(const char *tablename, + const void *inf, + const struct xt_match *match, + void *matchinfo, + unsigned int hook_mask) { struct xt_helper_info *info = matchinfo; if (nf_ct_l3proto_try_module_get(match->family) < 0) { printk(KERN_WARNING "can't load conntrack support for " "proto=%d\n", match->family); - return 0; + return false; } info->name[29] = '\0'; - return 1; + return true; } static void diff --git a/net/netfilter/xt_limit.c b/net/netfilter/xt_limit.c index 0cfe241a0493..2717aa65246a 100644 --- a/net/netfilter/xt_limit.c +++ b/net/netfilter/xt_limit.c @@ -98,7 +98,7 @@ user2credits(u_int32_t user) return (user * HZ * CREDITS_PER_JIFFY) / XT_LIMIT_SCALE; } -static int +static bool ipt_limit_checkentry(const char *tablename, const void *inf, const struct xt_match *match, @@ -112,7 +112,7 @@ ipt_limit_checkentry(const char *tablename, || user2credits(r->avg * r->burst) < user2credits(r->avg)) { printk("Overflow in xt_limit, try lower: %u/%u\n", r->avg, r->burst); - return 0; + return false; } /* For SMP, we only want to use one set of counters. */ @@ -125,7 +125,7 @@ ipt_limit_checkentry(const char *tablename, r->credit_cap = user2credits(r->avg * r->burst); /* Credits full. */ r->cost = user2credits(r->avg); } - return 1; + return true; } #ifdef CONFIG_COMPAT diff --git a/net/netfilter/xt_mark.c b/net/netfilter/xt_mark.c index 10c6799cd56a..83ed806764b4 100644 --- a/net/netfilter/xt_mark.c +++ b/net/netfilter/xt_mark.c @@ -34,7 +34,7 @@ match(const struct sk_buff *skb, return ((skb->mark & info->mask) == info->mark) ^ info->invert; } -static int +static bool checkentry(const char *tablename, const void *entry, const struct xt_match *match, @@ -45,9 +45,9 @@ checkentry(const char *tablename, if (minfo->mark > 0xffffffff || minfo->mask > 0xffffffff) { printk(KERN_WARNING "mark: only supports 32bit mark\n"); - return 0; + return false; } - return 1; + return true; } #ifdef CONFIG_COMPAT diff --git a/net/netfilter/xt_multiport.c b/net/netfilter/xt_multiport.c index 55feb3d737d4..3d69d6208965 100644 --- a/net/netfilter/xt_multiport.c +++ b/net/netfilter/xt_multiport.c @@ -154,7 +154,7 @@ match_v1(const struct sk_buff *skb, return ports_match_v1(multiinfo, ntohs(pptr[0]), ntohs(pptr[1])); } -static inline int +static inline bool check(u_int16_t proto, u_int8_t ip_invflags, u_int8_t match_flags, @@ -172,7 +172,7 @@ check(u_int16_t proto, } /* Called when user tries to insert an entry of this type. */ -static int +static bool checkentry(const char *tablename, const void *info, const struct xt_match *match, @@ -186,7 +186,7 @@ checkentry(const char *tablename, multiinfo->count); } -static int +static bool checkentry_v1(const char *tablename, const void *info, const struct xt_match *match, @@ -200,7 +200,7 @@ checkentry_v1(const char *tablename, multiinfo->count); } -static int +static bool checkentry6(const char *tablename, const void *info, const struct xt_match *match, @@ -214,7 +214,7 @@ checkentry6(const char *tablename, multiinfo->count); } -static int +static bool checkentry6_v1(const char *tablename, const void *info, const struct xt_match *match, diff --git a/net/netfilter/xt_physdev.c b/net/netfilter/xt_physdev.c index 70de6708e884..34f0d3e44ea7 100644 --- a/net/netfilter/xt_physdev.c +++ b/net/netfilter/xt_physdev.c @@ -99,7 +99,7 @@ match_outdev: return ret ^ !(info->invert & XT_PHYSDEV_OP_OUT); } -static int +static bool checkentry(const char *tablename, const void *ip, const struct xt_match *match, @@ -110,7 +110,7 @@ checkentry(const char *tablename, if (!(info->bitmask & XT_PHYSDEV_OP_MASK) || info->bitmask & ~XT_PHYSDEV_OP_MASK) - return 0; + return false; if (info->bitmask & XT_PHYSDEV_OP_OUT && (!(info->bitmask & XT_PHYSDEV_OP_BRIDGED) || info->invert & XT_PHYSDEV_OP_BRIDGED) && @@ -120,9 +120,9 @@ checkentry(const char *tablename, "OUTPUT, FORWARD and POSTROUTING chains for non-bridged " "traffic is not supported anymore.\n"); if (hook_mask & (1 << NF_IP_LOCAL_OUT)) - return 0; + return false; } - return 1; + return true; } static struct xt_match xt_physdev_match[] = { diff --git a/net/netfilter/xt_policy.c b/net/netfilter/xt_policy.c index 0aa487b1f3b8..1534de55cdb6 100644 --- a/net/netfilter/xt_policy.c +++ b/net/netfilter/xt_policy.c @@ -133,35 +133,35 @@ static bool match(const struct sk_buff *skb, return ret; } -static int checkentry(const char *tablename, const void *ip_void, - const struct xt_match *match, - void *matchinfo, unsigned int hook_mask) +static bool checkentry(const char *tablename, const void *ip_void, + const struct xt_match *match, + void *matchinfo, unsigned int hook_mask) { struct xt_policy_info *info = matchinfo; if (!(info->flags & (XT_POLICY_MATCH_IN|XT_POLICY_MATCH_OUT))) { printk(KERN_ERR "xt_policy: neither incoming nor " "outgoing policy selected\n"); - return 0; + return false; } /* hook values are equal for IPv4 and IPv6 */ if (hook_mask & (1 << NF_IP_PRE_ROUTING | 1 << NF_IP_LOCAL_IN) && info->flags & XT_POLICY_MATCH_OUT) { printk(KERN_ERR "xt_policy: output policy not valid in " "PRE_ROUTING and INPUT\n"); - return 0; + return false; } if (hook_mask & (1 << NF_IP_POST_ROUTING | 1 << NF_IP_LOCAL_OUT) && info->flags & XT_POLICY_MATCH_IN) { printk(KERN_ERR "xt_policy: input policy not valid in " "POST_ROUTING and OUTPUT\n"); - return 0; + return false; } if (info->len > XT_POLICY_MAX_ELEM) { printk(KERN_ERR "xt_policy: too many policy elements\n"); - return 0; + return false; } - return 1; + return true; } static struct xt_match xt_policy_match[] = { diff --git a/net/netfilter/xt_quota.c b/net/netfilter/xt_quota.c index 6091347e38b3..e13d62a8caba 100644 --- a/net/netfilter/xt_quota.c +++ b/net/netfilter/xt_quota.c @@ -38,7 +38,7 @@ match(const struct sk_buff *skb, return ret; } -static int +static bool checkentry(const char *tablename, const void *entry, const struct xt_match *match, void *matchinfo, unsigned int hook_mask) @@ -46,10 +46,10 @@ checkentry(const char *tablename, const void *entry, struct xt_quota_info *q = (struct xt_quota_info *)matchinfo; if (q->flags & ~XT_QUOTA_MASK) - return 0; + return false; /* For SMP, we only want to use one set of counters. */ q->master = q; - return 1; + return true; } static struct xt_match xt_quota_match[] = { diff --git a/net/netfilter/xt_sctp.c b/net/netfilter/xt_sctp.c index a118a4c71563..22df338b3934 100644 --- a/net/netfilter/xt_sctp.c +++ b/net/netfilter/xt_sctp.c @@ -158,7 +158,7 @@ match(const struct sk_buff *skb, XT_SCTP_CHUNK_TYPES, info->flags, info->invflags); } -static int +static bool checkentry(const char *tablename, const void *inf, const struct xt_match *match, diff --git a/net/netfilter/xt_state.c b/net/netfilter/xt_state.c index f77f74ad5c97..5b9c59aa14d3 100644 --- a/net/netfilter/xt_state.c +++ b/net/netfilter/xt_state.c @@ -44,18 +44,18 @@ match(const struct sk_buff *skb, return (sinfo->statemask & statebit); } -static int check(const char *tablename, - const void *inf, - const struct xt_match *match, - void *matchinfo, - unsigned int hook_mask) +static bool check(const char *tablename, + const void *inf, + const struct xt_match *match, + void *matchinfo, + unsigned int hook_mask) { if (nf_ct_l3proto_try_module_get(match->family) < 0) { printk(KERN_WARNING "can't load conntrack support for " "proto=%d\n", match->family); - return 0; + return false; } - return 1; + return true; } static void diff --git a/net/netfilter/xt_statistic.c b/net/netfilter/xt_statistic.c index 989924f9024e..0af42892e9dc 100644 --- a/net/netfilter/xt_statistic.c +++ b/net/netfilter/xt_statistic.c @@ -52,7 +52,7 @@ match(const struct sk_buff *skb, return ret; } -static int +static bool checkentry(const char *tablename, const void *entry, const struct xt_match *match, void *matchinfo, unsigned int hook_mask) @@ -61,9 +61,9 @@ checkentry(const char *tablename, const void *entry, if (info->mode > XT_STATISTIC_MODE_MAX || info->flags & ~XT_STATISTIC_MASK) - return 0; + return false; info->master = info; - return 1; + return true; } static struct xt_match xt_statistic_match[] = { diff --git a/net/netfilter/xt_string.c b/net/netfilter/xt_string.c index 3aea43d37339..ab761b17f811 100644 --- a/net/netfilter/xt_string.c +++ b/net/netfilter/xt_string.c @@ -42,30 +42,30 @@ static bool match(const struct sk_buff *skb, #define STRING_TEXT_PRIV(m) ((struct xt_string_info *) m) -static int checkentry(const char *tablename, - const void *ip, - const struct xt_match *match, - void *matchinfo, - unsigned int hook_mask) +static bool checkentry(const char *tablename, + const void *ip, + const struct xt_match *match, + void *matchinfo, + unsigned int hook_mask) { struct xt_string_info *conf = matchinfo; struct ts_config *ts_conf; /* Damn, can't handle this case properly with iptables... */ if (conf->from_offset > conf->to_offset) - return 0; + return false; if (conf->algo[XT_STRING_MAX_ALGO_NAME_SIZE - 1] != '\0') - return 0; + return false; if (conf->patlen > XT_STRING_MAX_PATTERN_SIZE) - return 0; + return false; ts_conf = textsearch_prepare(conf->algo, conf->pattern, conf->patlen, GFP_KERNEL, TS_AUTOLOAD); if (IS_ERR(ts_conf)) - return 0; + return false; conf->config = ts_conf; - return 1; + return true; } static void destroy(const struct xt_match *match, void *matchinfo) diff --git a/net/netfilter/xt_tcpudp.c b/net/netfilter/xt_tcpudp.c index 9ecc4a5bd529..0dd3022cc79a 100644 --- a/net/netfilter/xt_tcpudp.c +++ b/net/netfilter/xt_tcpudp.c @@ -133,7 +133,7 @@ tcp_match(const struct sk_buff *skb, } /* Called when user tries to insert an entry of this type. */ -static int +static bool tcp_checkentry(const char *tablename, const void *info, const struct xt_match *match, @@ -181,7 +181,7 @@ udp_match(const struct sk_buff *skb, } /* Called when user tries to insert an entry of this type. */ -static int +static bool udp_checkentry(const char *tablename, const void *info, const struct xt_match *match, -- cgit v1.2.3