diff options
Diffstat (limited to 'net/netfilter/xt_multiport.c')
| -rw-r--r-- | net/netfilter/xt_multiport.c | 54 |
1 files changed, 27 insertions, 27 deletions
diff --git a/net/netfilter/xt_multiport.c b/net/netfilter/xt_multiport.c index 4dce2a81702a..e8ae10284acd 100644 --- a/net/netfilter/xt_multiport.c +++ b/net/netfilter/xt_multiport.c @@ -33,24 +33,24 @@ MODULE_ALIAS("ip6t_multiport"); #endif /* Returns 1 if the port is matched by the test, 0 otherwise. */ -static inline int +static inline bool ports_match(const u_int16_t *portlist, enum xt_multiport_flags flags, u_int8_t count, u_int16_t src, u_int16_t dst) { unsigned int i; for (i = 0; i < count; i++) { if (flags != XT_MULTIPORT_DESTINATION && portlist[i] == src) - return 1; + return true; if (flags != XT_MULTIPORT_SOURCE && portlist[i] == dst) - return 1; + return true; } - return 0; + return false; } /* Returns 1 if the port is matched by the test, 0 otherwise. */ -static inline int +static inline bool ports_match_v1(const struct xt_multiport_v1 *minfo, u_int16_t src, u_int16_t dst) { @@ -67,34 +67,34 @@ ports_match_v1(const struct xt_multiport_v1 *minfo, if (minfo->flags == XT_MULTIPORT_SOURCE && src >= s && src <= e) - return 1 ^ minfo->invert; + return true ^ minfo->invert; if (minfo->flags == XT_MULTIPORT_DESTINATION && dst >= s && dst <= e) - return 1 ^ minfo->invert; + return true ^ minfo->invert; if (minfo->flags == XT_MULTIPORT_EITHER && ((dst >= s && dst <= e) || (src >= s && src <= e))) - return 1 ^ minfo->invert; + return true ^ minfo->invert; } else { /* exact port matching */ duprintf("src or dst matches with %d?\n", s); if (minfo->flags == XT_MULTIPORT_SOURCE && src == s) - return 1 ^ minfo->invert; + return true ^ minfo->invert; if (minfo->flags == XT_MULTIPORT_DESTINATION && dst == s) - return 1 ^ minfo->invert; + return true ^ minfo->invert; if (minfo->flags == XT_MULTIPORT_EITHER && (src == s || dst == s)) - return 1 ^ minfo->invert; + return true ^ minfo->invert; } } return minfo->invert; } -static int +static bool match(const struct sk_buff *skb, const struct net_device *in, const struct net_device *out, @@ -102,13 +102,13 @@ match(const struct sk_buff *skb, const void *matchinfo, int offset, unsigned int protoff, - int *hotdrop) + bool *hotdrop) { __be16 _ports[2], *pptr; const struct xt_multiport *multiinfo = matchinfo; if (offset) - return 0; + return false; pptr = skb_header_pointer(skb, protoff, sizeof(_ports), _ports); if (pptr == NULL) { @@ -116,8 +116,8 @@ match(const struct sk_buff *skb, * can't. Hence, no choice but to drop. */ duprintf("xt_multiport: Dropping evil offset=0 tinygram.\n"); - *hotdrop = 1; - return 0; + *hotdrop = true; + return false; } return ports_match(multiinfo->ports, @@ -125,7 +125,7 @@ match(const struct sk_buff *skb, ntohs(pptr[0]), ntohs(pptr[1])); } -static int +static bool match_v1(const struct sk_buff *skb, const struct net_device *in, const struct net_device *out, @@ -133,13 +133,13 @@ match_v1(const struct sk_buff *skb, const void *matchinfo, int offset, unsigned int protoff, - int *hotdrop) + bool *hotdrop) { __be16 _ports[2], *pptr; const struct xt_multiport_v1 *multiinfo = matchinfo; if (offset) - return 0; + return false; pptr = skb_header_pointer(skb, protoff, sizeof(_ports), _ports); if (pptr == NULL) { @@ -147,14 +147,14 @@ match_v1(const struct sk_buff *skb, * can't. Hence, no choice but to drop. */ duprintf("xt_multiport: Dropping evil offset=0 tinygram.\n"); - *hotdrop = 1; - return 0; + *hotdrop = true; + return false; } 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, @@ -228,7 +228,7 @@ checkentry6_v1(const char *tablename, multiinfo->count); } -static struct xt_match xt_multiport_match[] = { +static struct xt_match xt_multiport_match[] __read_mostly = { { .name = "multiport", .family = AF_INET, |