71 lines
2.6 KiB
Makefile
71 lines
2.6 KiB
Makefile
# simple make file for the pam_cap module
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topdir=$(shell pwd)/..
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include ../Make.Rules
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all: pam_cap.so
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$(MAKE) testlink
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install: all
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mkdir -p -m 0755 $(FAKEROOT)$(LIBDIR)/security
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install -m 0755 pam_cap.so $(FAKEROOT)$(LIBDIR)/security
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../libcap/loader.txt:
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$(MAKE) -C ../libcap loader.txt
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execable.o: execable.c ../libcap/execable.h ../libcap/loader.txt
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$(CC) $(CFLAGS) $(IPATH) -DLIBCAP_VERSION=\"libcap-$(VERSION).$(MINOR)\" -DSHARED_LOADER=\"$(shell cat ../libcap/loader.txt)\" -c execable.c -o $@
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pam_cap.so: pam_cap.o execable.o pam_cap_linkopts
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cat pam_cap_linkopts | xargs -e $(LD) -o $@ pam_cap.o execable.o $(LIBCAPLIB) $(LDFLAGS)
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# Some distributions force link everything at compile time, and don't
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# take advantage of libpam's dlopen runtime options to resolve ill
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# defined symbols from its own linkage as needed. (As the original
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# author of that part of libpam, I consider this force linking
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# premature optimization.) We debugged its consequences to pam_cap.so
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# as part of:
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#
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# https://bugzilla.kernel.org/show_bug.cgi?id=214023
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#
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# If the current build environment is one of those, extend the link
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# options for pam_cap.so to force linkage against libpam and the
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# gazillion other things libpam is linked against...
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pam_cap_linkopts: lazylink.so
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echo "-Wl,-e,__so_start" > $@
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./lazylink.so || echo "-lpam" >> $@
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lazylink.so: lazylink.c ../libcap/execable.h ../libcap/loader.txt
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$(LD) -o $@ $(CFLAGS) $(IPATH) lazylink.c -DSHARED_LOADER=\"$(shell cat ../libcap/loader.txt)\" $(LDFLAGS) -Wl,-e,__so_start
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pam_cap.o: pam_cap.c
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$(CC) $(CFLAGS) $(IPATH) -c $< -o $@
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../libcap/libcap.a:
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$(MAKE) -C ../libcap libcap.a
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test_pam_cap: test_pam_cap.c pam_cap.c ../libcap/libcap.a
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$(CC) $(CFLAGS) $(IPATH) -o $@ test_pam_cap.c $(LIBCAPLIB) $(LDFLAGS) --static
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testlink: test.c pam_cap.o
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$(CC) $(CFLAGS) -o $@ $+ -lpam -ldl $(LIBCAPLIB) $(LDFLAGS)
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test: testlink test_pam_cap pam_cap.so
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$(MAKE) testlink
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./test_pam_cap
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LD_LIBRARY_PATH=../libcap ./pam_cap.so
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LD_LIBRARY_PATH=../libcap ./pam_cap.so --help
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@echo "module can be run as an executable!"
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sudotest: test test_pam_cap
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sudo ./test_pam_cap root 0x0 0x0 0x0 config=./capability.conf
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sudo ./test_pam_cap root 0x0 0x0 0x0 config=./sudotest.conf
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sudo ./test_pam_cap alpha 0x0 0x0 0x0 config=./capability.conf
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sudo ./test_pam_cap alpha 0x0 0x1 0x80 config=./sudotest.conf
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sudo ./test_pam_cap beta 0x0 0x1 0x0 config=./sudotest.conf
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sudo ./test_pam_cap gamma 0x0 0x0 0x81 config=./sudotest.conf
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sudo ./test_pam_cap delta 0x41 0x80 0x41 config=./sudotest.conf
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clean:
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rm -f *.o *.so testlink lazylink.so test_pam_cap pam_cap_linkopts *~
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