TEST(Ldd, EmptyCache)
{
vector<ldcache::Entry> cache;
Try<hashset<string>> dependencies = ldd("/bin/sh", cache);
ASSERT_ERROR(dependencies);
}
inline void MacroAssembler::ld_long(const Address& a, Register d, int offset) {
#ifdef _LP64
ldx(a, d, offset);
#else
ldd(a, d, offset);
#endif
}
inline void MacroAssembler::ld_long( Register s1, RegisterOrConstant s2, Register d ) {
#ifdef _LP64
ldx(s1, s2, d);
#else
ldd(s1, s2, d);
#endif
}
TEST(Ldd, MissingFile)
{
Try<vector<ldcache::Entry>> cache = ldcache::parse();
ASSERT_SOME(cache);
Try<hashset<string>> dependencies =
ldd("/this/path/is/not/here", cache.get());
ASSERT_ERROR(dependencies);
}
TEST(Ldd, BinSh)
{
Try<vector<ldcache::Entry>> cache = ldcache::parse();
ASSERT_SOME(cache);
Try<hashset<string>> dependencies = ldd("/bin/sh", cache.get());
ASSERT_SOME(dependencies);
EXPECT_FALSE(dependencies->contains("/bin/sh"));
auto libc = std::find_if(
dependencies->begin(),
dependencies->end(),
[](const string& dependency) {
// On most Linux systems, libc would be in libc.so.6, but
// checking the unversioned prefix is robust and is enough
// to know that ldd() worked.
string basename = Path(dependency).basename();
return strings::startsWith(basename, "libc.so");
});
EXPECT_TRUE(libc != dependencies->end());
}
inline void MacroAssembler::ldd( Register s1, RegisterOrConstant s2, Register d) { ldd( Address(s1, s2), d); }
inline void MacroAssembler::ldd( const Address& a, Register d, int offset) {
if (a.has_index()) { assert(offset == 0, ""); ldd( a.base(), a.index(), d); }
else { ldd( a.base(), a.disp() + offset, d); }
}
