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annotate libtomcrypt/makefile.shared @ 1861:2b3a8026a6ce

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Add re-exec for server This allows ASLR to re-randomize the address space for every connection, preventing some vulnerabilities from being exploitable by repeated probing. Overhead (memory and time) is yet to be confirmed. At present this is only enabled on Linux. Other BSD platforms with fexecve() would probably also work though have not been tested.
author Matt Johnston <matt@ucc.asn.au>
date Sun, 30 Jan 2022 10:14:56 +0800
parents e9dba7abd939
children
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1 # MAKEFILE for linux GCC
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2 #
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3 # This makefile produces a shared object and requires libtool to be installed.
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4 #
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5 # Thanks to Zed Shaw for helping debug this on BSD/OSX.
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6 # Tom St Denis
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7 #
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8 # (GNU make only)
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9
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10 ### USAGE:
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11 #
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12 # CFLAGS="-DUSE_LTM -DLTM_DESC -I/path/to/libtommath" make -f makefile.shared all EXTRALIBS=/path/to/libtommath/libtommath.a
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13 # ./test
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14 # make -f makefile.shared PREFIX=/opt/libtom install
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15 #
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16
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17 PLATFORM := $(shell uname | sed -e 's/_.*//')
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18
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19 ifndef LIBTOOL
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20 ifeq ($(PLATFORM), Darwin)
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21 LIBTOOL:=glibtool
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22 else
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23 LIBTOOL:=libtool
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24 endif
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25 endif
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26 ifeq ($(PLATFORM), CYGWIN)
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27 NO_UNDEFINED:=-no-undefined
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28 endif
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29 LTCOMPILE = $(LIBTOOL) --mode=compile --tag=CC $(CC)
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30 INSTALL_CMD = $(LIBTOOL) --mode=install install
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31 UNINSTALL_CMD = $(LIBTOOL) --mode=uninstall rm
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33 #Output filenames for various targets.
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34 ifndef LIBNAME
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35 LIBNAME=libtomcrypt.la
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36 endif
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37
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38
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39 include makefile_include.mk
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40
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41
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42 #ciphers come in two flavours... enc+dec and enc
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43 src/ciphers/aes/aes_enc.o: src/ciphers/aes/aes.c src/ciphers/aes/aes_tab.c
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44 $(LTCOMPILE) $(LTC_CFLAGS) $(CPPFLAGS) $(LTC_LDFLAGS) -DENCRYPT_ONLY -c src/ciphers/aes/aes.c -o src/ciphers/aes/aes_enc.o
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45
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46 .c.o:
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47 $(LTCOMPILE) $(LTC_CFLAGS) $(CPPFLAGS) $(LTC_LDFLAGS) -o $@ -c $<
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48
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49 LOBJECTS = $(OBJECTS:.o=.lo)
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50
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51 $(LIBNAME): $(OBJECTS)
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52 $(LIBTOOL) --mode=link --tag=CC $(CC) $(LTC_LDFLAGS) $(LOBJECTS) $(EXTRALIBS) -o $@ -rpath $(LIBPATH) -version-info $(VERSION_LT) $(NO_UNDEFINED)
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53
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54 test: $(call print-help,test,Builds the library and the 'test' application to run all self-tests) $(LIBNAME) $(TOBJECTS)
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55 $(LIBTOOL) --mode=link --tag=CC $(CC) $(LTC_LDFLAGS) -o $(TEST) $(TOBJECTS) $(LIBNAME) $(EXTRALIBS)
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56
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57 # build the demos from a template
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58 define DEMO_template
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59 $(1): $(call print-help,$(1),Builds the library and the '$(1)' demo) demos/$(1).o $$(LIBNAME)
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60 $$(LIBTOOL) --mode=link --tag=CC $$(CC) $$(LTC_LDFLAGS) $$^ $$(EXTRALIBS) -o $(1)
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61 endef
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62
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63 $(foreach demo, $(strip $(DEMOS)), $(eval $(call DEMO_template,$(demo))))
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64
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65 install: $(call print-help,install,Installs the library + headers + pkg-config file) .common_install
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66 sed -e 's,^prefix=.*,prefix=$(PREFIX),' -e 's,^Version:.*,Version: $(VERSION_PC),' libtomcrypt.pc.in > libtomcrypt.pc
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67 install -p -d $(DESTDIR)$(LIBPATH)/pkgconfig
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68 install -p -m 644 libtomcrypt.pc $(DESTDIR)$(LIBPATH)/pkgconfig/
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69
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70 install_bins: $(call print-help,install_bins,Installs the useful demos ($(USEFUL_DEMOS))) .common_install_bins
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71
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72 uninstall: $(call print-help,uninstall,Uninstalls the library + headers + pkg-config file) .common_uninstall
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73 rm $(DESTDIR)$(LIBPATH)/pkgconfig/libtomcrypt.pc
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74
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75 # ref: $Format:%D$
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76 # git commit: $Format:%H$
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77 # commit time: $Format:%ai$