A userspace application that filters DHCP floods to protect a DHCP server. It uses the Netfilter userspace packet queuing API.
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Makefile 1.0KB

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  1. # Copyright 2019 Pascal Gloor
  2. #
  3. # Licensed under the Apache License, Version 2.0 (the "License");
  4. # you may not use this file except in compliance with the License.
  5. # You may obtain a copy of the License at
  6. #
  7. # http://www.apache.org/licenses/LICENSE-2.0
  8. #
  9. # Unless required by applicable law or agreed to in writing, software
  10. # distributed under the License is distributed on an "AS IS" BASIS,
  11. # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12. # See the License for the specific language governing permissions and
  13. # limitations under the License.
  14. CC := gcc
  15. CCFLAGS := -Wall -O2 -I../inc
  16. LDFLAGS := -lnetfilter_queue
  17. TARGETS:= dhcp_protect
  18. MAINS := $(.o, $(TARGETS) )
  19. OBJ := \
  20. dp_main.o \
  21. dp_dhcpv4.o \
  22. dp_dhcpv6.o \
  23. dp_helpers.o \
  24. dp_nfqueue.o \
  25. dp_accounting.o \
  26. dp_blacklist.o \
  27. $(MAINS)
  28. DEPS :=
  29. .PHONY: all clean
  30. all: $(TARGETS)
  31. clean:
  32. rm -f $(TARGETS) $(OBJ)
  33. $(OBJ): %.o : %.c $(DEPS)
  34. $(CC) -c -o $@ $< $(CCFLAGS)
  35. $(TARGETS): $(OBJ)
  36. $(CC) -o $@ $(LIBS) $^ $(CCFLAGS) $(LDFLAGS)