From: Simon Ruderich Date: Tue, 13 Mar 2012 20:44:33 +0000 (+0100) Subject: Improve detection of linker commands. X-Git-Tag: 0.01~134 X-Git-Url: https://ruderich.org/simon/gitweb/?p=blhc%2Fblhc.git;a=commitdiff_plain;h=6627495234a5de93e9c77b708774dfb6ae25fa20 Improve detection of linker commands. Now -o is checked if it links to a binary (no extension) or a library (.so or .la). Also add tests. --- diff --git a/bin/blhc b/bin/blhc index 6156282..f43b593 100755 --- a/bin/blhc +++ b/bin/blhc @@ -271,6 +271,7 @@ foreach my $line (@input) { # Linker commands. if ($line =~ /\s-l[A-Za-z0-9.-]+(\s|\\|$)/ + or $line =~ m{\s-o ([A-Za-z0-9_/.-]+/)?[A-Za-z0-9_-]+(\.so|\.la)?(\s|\\|\$)} or $line =~ /^libtool: link: / or $line =~ m{\s*/bin/bash .+?libtool\s+(.+?\s+)?--mode=(re)?link}) { $compiler = 0; diff --git a/t/logs/bad b/t/logs/bad index 4f95039..2d4885d 100644 --- a/t/logs/bad +++ b/t/logs/bad @@ -14,3 +14,6 @@ x86_64-linux-gnu-gcc -g -O2 -c test-a.c x86_64-linux-gnu-gcc -g -O2 -c test-b.c x86_64-linux-gnu-gcc -g -O2 -c test-c.c x86_64-linux-gnu-gcc -o test test-a.o test-b.o test-c.o -ltest + +g++ -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -pthread -o ./testProgram ../src/test/testProgram.cpp +g++ -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -pthread -Wl,-z,relro -o ../src/test/bin/test ../src/test/objs/test.o diff --git a/t/logs/good b/t/logs/good index c5a6d0e..ce969ff 100644 --- a/t/logs/good +++ b/t/logs/good @@ -12,3 +12,6 @@ gcc -Wl,-z,relro -o test test-a.o test-b.o test-c.o -ltest # Compiling and linking in one step must also check CFLAGS/CPPFLAGS. gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -Wl,-z,relro -o test test.c -ltest gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -D_FORTIFY_SOURCE=2 -shared -fPIC -Wl,-z,relro -o test.so test.c -ltest + +g++ -D_FORTIFY_SOURCE=2 -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -pthread -o ./testProgram -Wl,-z,relro ../src/test/testProgram.cpp +g++ -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -pthread -Wl,-z,relro -o ../src/test/bin/test ../src/test/objs/test.o diff --git a/t/logs/libtool b/t/logs/libtool index 4447a20..9af727c 100644 --- a/t/logs/libtool +++ b/t/logs/libtool @@ -11,6 +11,9 @@ libtool: link: gcc -Wl,-z -Wl,relro -o test test.o /bin/bash ../../libtool --tag=CC --preserve-dup-deps --mode=link gcc -Wl,-z,relro -o test.so test.o /bin/bash /tmp/test/build/libtool --silent --tag CC --mode=relink gcc -Wl,-z,relro -o test.so test.o /bin/bash /tmp/test/build/libtool --tag CXX --mode=relink g++ -Wl,-z,relro -o test.la test.o +# Make sure ".libs/test" is treated as a binary. +/bin/bash ../libtool --tag=CC --mode=link gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -Wl,-z,relro -o test test.o +gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -Wl,-z -Wl,relro -o .libs/test test.o # Just to be sure, libtool won't do this. Note the test.c. /bin/bash ../libtool --tag=CC --mode=link gcc -Wl,-z,relro -o test.so test.c diff --git a/t/tests.t b/t/tests.t index 5af0780..ce4f60f 100644 --- a/t/tests.t +++ b/t/tests.t @@ -101,6 +101,8 @@ CPPFLAGS missing (-D_FORTIFY_SOURCE=2): x86_64-linux-gnu-gcc -g -O2 -c test-b.c CFLAGS missing (-fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security): x86_64-linux-gnu-gcc -g -O2 -c test-c.c CPPFLAGS missing (-D_FORTIFY_SOURCE=2): x86_64-linux-gnu-gcc -g -O2 -c test-c.c LDFLAGS missing (-Wl,-z,relro): x86_64-linux-gnu-gcc -o test test-a.o test-b.o test-c.o -ltest +CPPFLAGS missing (-D_FORTIFY_SOURCE=2): g++ -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -pthread -o ./testProgram ../src/test/testProgram.cpp +LDFLAGS missing (-Wl,-z,relro): g++ -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -pthread -o ./testProgram ../src/test/testProgram.cpp "; is_blhc 'bad', '--pie', 4, "CFLAGS missing (-fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -fPIE): gcc -g -O2 -c test-a.c @@ -117,6 +119,10 @@ CPPFLAGS missing (-D_FORTIFY_SOURCE=2): x86_64-linux-gnu-gcc -g -O2 -c test-b.c CFLAGS missing (-fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -fPIE): x86_64-linux-gnu-gcc -g -O2 -c test-c.c CPPFLAGS missing (-D_FORTIFY_SOURCE=2): x86_64-linux-gnu-gcc -g -O2 -c test-c.c LDFLAGS missing (-Wl,-z,relro -fPIE -pie): x86_64-linux-gnu-gcc -o test test-a.o test-b.o test-c.o -ltest +CFLAGS missing (-fPIE): g++ -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -pthread -o ./testProgram ../src/test/testProgram.cpp +CPPFLAGS missing (-D_FORTIFY_SOURCE=2): g++ -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -pthread -o ./testProgram ../src/test/testProgram.cpp +LDFLAGS missing (-Wl,-z,relro -fPIE -pie): g++ -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -pthread -o ./testProgram ../src/test/testProgram.cpp +LDFLAGS missing (-fPIE -pie): g++ -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -pthread -Wl,-z,relro -o ../src/test/bin/test ../src/test/objs/test.o "; is_blhc 'bad', '--bindnow', 4, "CFLAGS missing (-fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security): gcc -g -O2 -c test-a.c @@ -133,6 +139,9 @@ CPPFLAGS missing (-D_FORTIFY_SOURCE=2): x86_64-linux-gnu-gcc -g -O2 -c test-b.c CFLAGS missing (-fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security): x86_64-linux-gnu-gcc -g -O2 -c test-c.c CPPFLAGS missing (-D_FORTIFY_SOURCE=2): x86_64-linux-gnu-gcc -g -O2 -c test-c.c LDFLAGS missing (-Wl,-z,relro -Wl,-z,now): x86_64-linux-gnu-gcc -o test test-a.o test-b.o test-c.o -ltest +CPPFLAGS missing (-D_FORTIFY_SOURCE=2): g++ -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -pthread -o ./testProgram ../src/test/testProgram.cpp +LDFLAGS missing (-Wl,-z,relro -Wl,-z,now): g++ -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -pthread -o ./testProgram ../src/test/testProgram.cpp +LDFLAGS missing (-Wl,-z,now): g++ -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -pthread -Wl,-z,relro -o ../src/test/bin/test ../src/test/objs/test.o "; is_blhc 'bad', '--pie --bindnow', 4, "CFLAGS missing (-fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -fPIE): gcc -g -O2 -c test-a.c @@ -149,6 +158,10 @@ CPPFLAGS missing (-D_FORTIFY_SOURCE=2): x86_64-linux-gnu-gcc -g -O2 -c test-b.c CFLAGS missing (-fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -fPIE): x86_64-linux-gnu-gcc -g -O2 -c test-c.c CPPFLAGS missing (-D_FORTIFY_SOURCE=2): x86_64-linux-gnu-gcc -g -O2 -c test-c.c LDFLAGS missing (-Wl,-z,relro -fPIE -pie -Wl,-z,now): x86_64-linux-gnu-gcc -o test test-a.o test-b.o test-c.o -ltest +CFLAGS missing (-fPIE): g++ -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -pthread -o ./testProgram ../src/test/testProgram.cpp +CPPFLAGS missing (-D_FORTIFY_SOURCE=2): g++ -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -pthread -o ./testProgram ../src/test/testProgram.cpp +LDFLAGS missing (-Wl,-z,relro -fPIE -pie -Wl,-z,now): g++ -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -pthread -o ./testProgram ../src/test/testProgram.cpp +LDFLAGS missing (-fPIE -pie -Wl,-z,now): g++ -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -pthread -Wl,-z,relro -o ../src/test/bin/test ../src/test/objs/test.o "; is_blhc 'bad', '--all', 4, "CFLAGS missing (-fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -fPIE): gcc -g -O2 -c test-a.c @@ -165,6 +178,10 @@ CPPFLAGS missing (-D_FORTIFY_SOURCE=2): x86_64-linux-gnu-gcc -g -O2 -c test-b.c CFLAGS missing (-fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -fPIE): x86_64-linux-gnu-gcc -g -O2 -c test-c.c CPPFLAGS missing (-D_FORTIFY_SOURCE=2): x86_64-linux-gnu-gcc -g -O2 -c test-c.c LDFLAGS missing (-Wl,-z,relro -fPIE -pie -Wl,-z,now): x86_64-linux-gnu-gcc -o test test-a.o test-b.o test-c.o -ltest +CFLAGS missing (-fPIE): g++ -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -pthread -o ./testProgram ../src/test/testProgram.cpp +CPPFLAGS missing (-D_FORTIFY_SOURCE=2): g++ -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -pthread -o ./testProgram ../src/test/testProgram.cpp +LDFLAGS missing (-Wl,-z,relro -fPIE -pie -Wl,-z,now): g++ -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -pthread -o ./testProgram ../src/test/testProgram.cpp +LDFLAGS missing (-fPIE -pie -Wl,-z,now): g++ -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -pthread -Wl,-z,relro -o ../src/test/bin/test ../src/test/objs/test.o "; is_blhc 'bad-cflags', '', 4, @@ -315,6 +332,8 @@ LDFLAGS missing (-fPIE -pie -Wl,-z,now): /bin/bash ../libtool --tag=CC --mod LDFLAGS missing (-fPIE -pie -Wl,-z,now): /bin/bash ../../libtool --tag=CC --preserve-dup-deps --mode=link gcc -Wl,-z,relro -o test.so test.o LDFLAGS missing (-fPIE -pie -Wl,-z,now): /bin/bash /tmp/test/build/libtool --silent --tag CC --mode=relink gcc -Wl,-z,relro -o test.so test.o LDFLAGS missing (-fPIE -pie -Wl,-z,now): /bin/bash /tmp/test/build/libtool --tag CXX --mode=relink g++ -Wl,-z,relro -o test.la test.o +LDFLAGS missing (-fPIE -pie -Wl,-z,now): /bin/bash ../libtool --tag=CC --mode=link gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -Wl,-z,relro -o test test.o +LDFLAGS missing (-fPIE -pie -Wl,-z,now): gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -Wl,-z -Wl,relro -o .libs/test test.o CFLAGS missing (-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -fPIE): /bin/bash ../libtool --tag=CC --mode=link gcc -Wl,-z,relro -o test.so test.c CPPFLAGS missing (-D_FORTIFY_SOURCE=2): /bin/bash ../libtool --tag=CC --mode=link gcc -Wl,-z,relro -o test.so test.c LDFLAGS missing (-fPIE -pie -Wl,-z,now): /bin/bash ../libtool --tag=CC --mode=link gcc -Wl,-z,relro -o test.so test.c