Mercurial > dropbear
annotate libtomcrypt/makefile.shared @ 1930:299f4f19ba19
Add /usr/sbin and /sbin to default root PATH
When dropbear is used in a very restricted environment (such as in a
initrd), the default user shell is often also very restricted
and doesn't take care of setting the PATH so the user ends up
with the PATH set by dropbear. Unfortunately, dropbear always
sets "/usr/bin:/bin" as default PATH even for the root user
which should have /usr/sbin and /sbin too.
For a concrete instance of this problem, see the "Remote Unlocking"
section in this tutorial: https://paxswill.com/blog/2013/11/04/encrypted-raspberry-pi/
It speaks of a bug in the initramfs script because it's written "blkid"
instead of "/sbin/blkid"... this is just because the scripts from the
initramfs do not expect to have a PATH without the sbin directories and
because dropbear is not setting the PATH appropriately for the root user.
I'm thus suggesting to use the attached patch to fix this misbehaviour (I
did not test it, but it's easy enough). It might seem anecdotic but
multiple Kali users have been bitten by this.
From https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=903403
author | Raphael Hertzog <hertzog@debian.org> |
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date | Mon, 09 Jul 2018 16:27:53 +0200 |
parents | e9dba7abd939 |
children |
rev | line source |
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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 := $(shell uname | sed -e 's/_.*//') |
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18 |
1711 | 19 ifndef LIBTOOL |
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20 ifeq ($(PLATFORM), Darwin) |
1711 | 21 LIBTOOL:=glibtool |
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22 else |
1711 | 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 |
1711 | 29 LTCOMPILE = $(LIBTOOL) --mode=compile --tag=CC $(CC) |
30 INSTALL_CMD = $(LIBTOOL) --mode=install install | |
31 UNINSTALL_CMD = $(LIBTOOL) --mode=uninstall rm | |
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32 |
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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) |
1711 | 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) |
1711 | 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 $$(LIBNAME) |
1711 | 60 $$(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: $Format:%ai$ |