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authorJan Engelhardt <jengelh@medozas.de>2010-03-25 16:34:45 +0100
committerJan Engelhardt <jengelh@medozas.de>2010-03-25 16:55:49 +0100
commitd6b00a5345ce4e86e8b00a88bb84a2c0c1f69ddc (patch)
tree11d68bb08584fbbae02a7bf22599bdd67da4408e /net/bridge
parentbd414ee605ff3ac5fcd79f57269a897879ee4cde (diff)
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netfilter: xtables: change targets to return error code
Part of the transition of done by this semantic patch: // <smpl> @ rule1 @ struct xt_target ops; identifier check; @@ ops.checkentry = check; @@ identifier rule1.check; @@ check(...) { <... -return true; +return 0; ...> } @@ identifier rule1.check; @@ check(...) { <... -return false; +return -EINVAL; ...> } // </smpl> Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Diffstat (limited to 'net/bridge')
-rw-r--r--net/bridge/netfilter/ebt_arpreply.c6
-rw-r--r--net/bridge/netfilter/ebt_dnat.c8
-rw-r--r--net/bridge/netfilter/ebt_log.c6
-rw-r--r--net/bridge/netfilter/ebt_mark.c8
-rw-r--r--net/bridge/netfilter/ebt_nflog.c4
-rw-r--r--net/bridge/netfilter/ebt_redirect.c8
-rw-r--r--net/bridge/netfilter/ebt_snat.c8
-rw-r--r--net/bridge/netfilter/ebt_ulog.c4
8 files changed, 26 insertions, 26 deletions
diff --git a/net/bridge/netfilter/ebt_arpreply.c b/net/bridge/netfilter/ebt_arpreply.c
index 2491564..4581adb 100644
--- a/net/bridge/netfilter/ebt_arpreply.c
+++ b/net/bridge/netfilter/ebt_arpreply.c
@@ -63,11 +63,11 @@ static int ebt_arpreply_tg_check(const struct xt_tgchk_param *par)
const struct ebt_entry *e = par->entryinfo;
if (BASE_CHAIN && info->target == EBT_RETURN)
- return false;
+ return -EINVAL;
if (e->ethproto != htons(ETH_P_ARP) ||
e->invflags & EBT_IPROTO)
- return false;
- return true;
+ return -EINVAL;
+ return 0;
}
static struct xt_target ebt_arpreply_tg_reg __read_mostly = {
diff --git a/net/bridge/netfilter/ebt_dnat.c b/net/bridge/netfilter/ebt_dnat.c
index 5fddebe..59d5b7c 100644
--- a/net/bridge/netfilter/ebt_dnat.c
+++ b/net/bridge/netfilter/ebt_dnat.c
@@ -32,7 +32,7 @@ static int ebt_dnat_tg_check(const struct xt_tgchk_param *par)
unsigned int hook_mask;
if (BASE_CHAIN && info->target == EBT_RETURN)
- return false;
+ return -EINVAL;
hook_mask = par->hook_mask & ~(1 << NF_BR_NUMHOOKS);
if ((strcmp(par->table, "nat") != 0 ||
@@ -40,10 +40,10 @@ static int ebt_dnat_tg_check(const struct xt_tgchk_param *par)
(1 << NF_BR_LOCAL_OUT)))) &&
(strcmp(par->table, "broute") != 0 ||
hook_mask & ~(1 << NF_BR_BROUTING)))
- return false;
+ return -EINVAL;
if (INVALID_TARGET)
- return false;
- return true;
+ return -EINVAL;
+ return 0;
}
static struct xt_target ebt_dnat_tg_reg __read_mostly = {
diff --git a/net/bridge/netfilter/ebt_log.c b/net/bridge/netfilter/ebt_log.c
index a0aeac6..c460241 100644
--- a/net/bridge/netfilter/ebt_log.c
+++ b/net/bridge/netfilter/ebt_log.c
@@ -29,11 +29,11 @@ static int ebt_log_tg_check(const struct xt_tgchk_param *par)
struct ebt_log_info *info = par->targinfo;
if (info->bitmask & ~EBT_LOG_MASK)
- return false;
+ return -EINVAL;
if (info->loglevel >= 8)
- return false;
+ return -EINVAL;
info->prefix[EBT_LOG_PREFIX_SIZE - 1] = '\0';
- return true;
+ return 0;
}
struct tcpudphdr
diff --git a/net/bridge/netfilter/ebt_mark.c b/net/bridge/netfilter/ebt_mark.c
index dd94daf..126e536 100644
--- a/net/bridge/netfilter/ebt_mark.c
+++ b/net/bridge/netfilter/ebt_mark.c
@@ -43,14 +43,14 @@ static int ebt_mark_tg_check(const struct xt_tgchk_param *par)
tmp = info->target | ~EBT_VERDICT_BITS;
if (BASE_CHAIN && tmp == EBT_RETURN)
- return false;
+ return -EINVAL;
if (tmp < -NUM_STANDARD_TARGETS || tmp >= 0)
- return false;
+ return -EINVAL;
tmp = info->target & ~EBT_VERDICT_BITS;
if (tmp != MARK_SET_VALUE && tmp != MARK_OR_VALUE &&
tmp != MARK_AND_VALUE && tmp != MARK_XOR_VALUE)
- return false;
- return true;
+ return -EINVAL;
+ return 0;
}
#ifdef CONFIG_COMPAT
struct compat_ebt_mark_t_info {
diff --git a/net/bridge/netfilter/ebt_nflog.c b/net/bridge/netfilter/ebt_nflog.c
index 1f2b7bb..22e2ad5 100644
--- a/net/bridge/netfilter/ebt_nflog.c
+++ b/net/bridge/netfilter/ebt_nflog.c
@@ -40,9 +40,9 @@ static int ebt_nflog_tg_check(const struct xt_tgchk_param *par)
struct ebt_nflog_info *info = par->targinfo;
if (info->flags & ~EBT_NFLOG_MASK)
- return false;
+ return -EINVAL;
info->prefix[EBT_NFLOG_PREFIX_SIZE - 1] = '\0';
- return true;
+ return 0;
}
static struct xt_target ebt_nflog_tg_reg __read_mostly = {
diff --git a/net/bridge/netfilter/ebt_redirect.c b/net/bridge/netfilter/ebt_redirect.c
index 73c4d3a..a6044a6 100644
--- a/net/bridge/netfilter/ebt_redirect.c
+++ b/net/bridge/netfilter/ebt_redirect.c
@@ -38,17 +38,17 @@ static int ebt_redirect_tg_check(const struct xt_tgchk_param *par)
unsigned int hook_mask;
if (BASE_CHAIN && info->target == EBT_RETURN)
- return false;
+ return -EINVAL;
hook_mask = par->hook_mask & ~(1 << NF_BR_NUMHOOKS);
if ((strcmp(par->table, "nat") != 0 ||
hook_mask & ~(1 << NF_BR_PRE_ROUTING)) &&
(strcmp(par->table, "broute") != 0 ||
hook_mask & ~(1 << NF_BR_BROUTING)))
- return false;
+ return -EINVAL;
if (INVALID_TARGET)
- return false;
- return true;
+ return -EINVAL;
+ return 0;
}
static struct xt_target ebt_redirect_tg_reg __read_mostly = {
diff --git a/net/bridge/netfilter/ebt_snat.c b/net/bridge/netfilter/ebt_snat.c
index 94bcecd..79caca3 100644
--- a/net/bridge/netfilter/ebt_snat.c
+++ b/net/bridge/netfilter/ebt_snat.c
@@ -49,14 +49,14 @@ static int ebt_snat_tg_check(const struct xt_tgchk_param *par)
tmp = info->target | ~EBT_VERDICT_BITS;
if (BASE_CHAIN && tmp == EBT_RETURN)
- return false;
+ return -EINVAL;
if (tmp < -NUM_STANDARD_TARGETS || tmp >= 0)
- return false;
+ return -EINVAL;
tmp = info->target | EBT_VERDICT_BITS;
if ((tmp & ~NAT_ARP_BIT) != ~NAT_ARP_BIT)
- return false;
- return true;
+ return -EINVAL;
+ return 0;
}
static struct xt_target ebt_snat_tg_reg __read_mostly = {
diff --git a/net/bridge/netfilter/ebt_ulog.c b/net/bridge/netfilter/ebt_ulog.c
index f554bc2..f77b42d 100644
--- a/net/bridge/netfilter/ebt_ulog.c
+++ b/net/bridge/netfilter/ebt_ulog.c
@@ -254,14 +254,14 @@ static int ebt_ulog_tg_check(const struct xt_tgchk_param *par)
struct ebt_ulog_info *uloginfo = par->targinfo;
if (uloginfo->nlgroup > 31)
- return false;
+ return -EINVAL;
uloginfo->prefix[EBT_ULOG_PREFIX_LEN - 1] = '\0';
if (uloginfo->qthreshold > EBT_ULOG_MAX_QLEN)
uloginfo->qthreshold = EBT_ULOG_MAX_QLEN;
- return true;
+ return 0;
}
static struct xt_target ebt_ulog_tg_reg __read_mostly = {