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firewall: make invalid redirects and duplicate zones non-fatal, print a notice and discard them

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SVN-Revision: 23080
This commit is contained in:
Jo-Philipp Wich 2010-09-16 11:47:35 +00:00
parent 4df10391ba
commit f90328f26e
4 changed files with 12 additions and 10 deletions
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2
package/firewall/Makefile
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@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=firewall
PKG_VERSION:=2
PKG_RELEASE:=15
PKG_RELEASE:=16
include $(INCLUDE_DIR)/package.mk

6
package/firewall/files/lib/core.sh
View File

@ -107,10 +107,8 @@ fw_die() {
fw_log() {
local level="$1"
[ -n "$2" ] || {
shift
level=notice
}
[ -n "$2" ] && shift || level=notice
[ "$level" != error ] || echo "Error: $@" >&2
logger -t firewall -p user.$level "$@"
}

5
package/firewall/files/lib/core_init.sh
View File

@ -42,7 +42,7 @@ fw_load_defaults() {
boolean disable_ipv6 0 \
} || return
[ -n "$FW_DEFAULTS_APPLIED" ] && {
echo "Error: multiple defaults sections detected"
fw_log error "duplicate defaults section detected, skipping"
return 1
}
FW_DEFAULTS_APPLIED=1
@ -159,7 +159,8 @@ fw_load_zone() {
fw_config_get_zone "$1"
list_contains FW_ZONES $zone_name && {
fw_die "zone ${zone_name}: duplicated zone"
fw_log error "zone ${zone_name}: duplicated zone, skipping"
return 0
}
append FW_ZONES $zone_name

9
package/firewall/files/lib/core_redirect.sh
View File

@ -30,7 +30,8 @@ fw_load_redirect() {
local fwdchain natchain natopt nataddr natports srcdaddr srcdports
if [ "$redirect_target" == "DNAT" ]; then
[ -n "$redirect_src" -a -n "$redirect_dest_ip$redirect_dest_port" ] || {
fw_die "DNAT redirect ${redirect_name}: needs src and dest_ip or dest_port"
fw_log error "DNAT redirect ${redirect_name}: needs src and dest_ip or dest_port, skipping"
return 0
}
fwdchain="zone_${redirect_src}_forward"
@ -48,7 +49,8 @@ fw_load_redirect() {
elif [ "$redirect_target" == "SNAT" ]; then
[ -n "$redirect_dest" -a -n "$redirect_src_dip" ] || {
fw_die "SNAT redirect ${redirect_name}: needs dest and src_dip"
fw_log error "SNAT redirect ${redirect_name}: needs dest and src_dip, skipping"
return 0
}
fwdchain="${redirect_src:+zone_${redirect_src}_forward}"
@ -65,7 +67,8 @@ fw_load_redirect() {
append FW_CONNTRACK_ZONES $redirect_dest
else
fw_die "redirect ${redirect_name}: target must be either DNAT or SNAT"
fw_log error "redirect ${redirect_name}: target must be either DNAT or SNAT, skipping"
return 0
fi
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