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// Copyright (c) 2022, Sylabs Inc. All rights reserved.
// This software is licensed under a 3-clause BSD license. Please consult the
// LICENSE.md file distributed with the sources of this project regarding your
// rights to use or distribute this software.
//go:build singularity_engine
package unpacker
import (
"reflect"
"strings"
"testing"
)
// Library listing on Fedora 35 AMD64 - simple case
// $ /lib64/ld-linux-x86-64.so.2 --list /usr/sbin/unsquashfs
const ldListSimple = ` linux-vdso.so.1 (0x00007ffe9ebcb000)
libm.so.6 => /lib64/libm.so.6 (0x00007f5dd1e6a000)
libz.so.1 => /lib64/libz.so.1 (0x00007f5dd1e50000)
liblzma.so.5 => /lib64/liblzma.so.5 (0x00007f5dd1e24000)
liblzo2.so.2 => /lib64/liblzo2.so.2 (0x00007f5dd1e03000)
liblz4.so.1 => /lib64/liblz4.so.1 (0x00007f5dd1ddf000)
libzstd.so.1 => /lib64/libzstd.so.1 (0x00007f5dd1d30000)
libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00007f5dd1d13000)
libc.so.6 => /lib64/libc.so.6 (0x00007f5dd1b09000)
/lib64/ld-linux-x86-64.so.2 (0x00007f5dd2104000)`
// Library listing on EL8 POWER8 - complex case
// glibc-hwcaps and dependency filename not matching resolved filename
// $ /lib64/ld64.so.2 --list /usr/sbin/unsquashfs
const ldListComplex = ` linux-vdso64.so.1 (0x00007fff80d70000)
libpthread.so.0 => /lib64/glibc-hwcaps/power9/libpthread-2.28.so (0x00007fff80b50000)
libm.so.6 => /lib64/glibc-hwcaps/power9/libm-2.28.so (0x00007fff80a20000)
libz.so.1 => /lib64/libz.so.1 (0x00007fff809e0000)
liblzma.so.5 => /lib64/liblzma.so.5 (0x00007fff80980000)
liblzo2.so.2 => /lib64/liblzo2.so.2 (0x00007fff80930000)
liblz4.so.1 => /lib64/liblz4.so.1 (0x00007fff808e0000)
libc.so.6 => /lib64/glibc-hwcaps/power9/libc-2.28.so (0x00007fff806d0000)
/lib64/ld64.so.2 (0x00007fff80d90000)`
// Library listing on EL7 - old case
// The linux-vdso.so.1 line has a => field that doesn't point to an absolute path
const ldListOld = ` linux-vdso.so.1 => (0x00007ffccf1de000)
libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f5ab0e3d000)
libm.so.6 => /lib64/libm.so.6 (0x00007f5ab0b3b000)
libz.so.1 => /lib64/libz.so.1 (0x00007f5ab0925000)
liblzma.so.5 => /lib64/liblzma.so.5 (0x00007f5ab06ff000)
liblzo2.so.2 => /lib64/liblzo2.so.2 (0x00007f5ab04de000)
libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00007f5ab02c8000)
libc.so.6 => /lib64/libc.so.6 (0x00007f5aafefa000)
/lib64/ld-linux-x86-64.so.2 (0x00007f5ab1059000)`
func Test_parseLibraryBinds(t *testing.T) {
tests := []struct {
name string
ldList string
want []libBind
wantErr bool
}{
{
name: "empty",
ldList: "",
want: []libBind{},
wantErr: false,
},
{
name: "simple",
ldList: ldListSimple,
want: []libBind{
{"/lib64/libm.so.6", "/lib64/libm.so.6"},
{"/lib64/libz.so.1", "/lib64/libz.so.1"},
{"/lib64/liblzma.so.5", "/lib64/liblzma.so.5"},
{"/lib64/liblzo2.so.2", "/lib64/liblzo2.so.2"},
{"/lib64/liblz4.so.1", "/lib64/liblz4.so.1"},
{"/lib64/libzstd.so.1", "/lib64/libzstd.so.1"},
{"/lib64/libgcc_s.so.1", "/lib64/libgcc_s.so.1"},
{"/lib64/libc.so.6", "/lib64/libc.so.6"},
{"/lib64/ld-linux-x86-64.so.2", "/lib64/ld-linux-x86-64.so.2"},
},
wantErr: false,
},
{
name: "complex",
ldList: ldListComplex,
want: []libBind{
{
"/lib64/glibc-hwcaps/power9/libpthread-2.28.so",
"/lib64/glibc-hwcaps/power9/libpthread.so.0",
},
{"/lib64/glibc-hwcaps/power9/libm-2.28.so", "/lib64/glibc-hwcaps/power9/libm.so.6"},
{"/lib64/libz.so.1", "/lib64/libz.so.1"},
{"/lib64/liblzma.so.5", "/lib64/liblzma.so.5"},
{"/lib64/liblzo2.so.2", "/lib64/liblzo2.so.2"},
{"/lib64/liblz4.so.1", "/lib64/liblz4.so.1"},
{"/lib64/glibc-hwcaps/power9/libc-2.28.so", "/lib64/glibc-hwcaps/power9/libc.so.6"},
{"/lib64/ld64.so.2", "/lib64/ld64.so.2"},
},
wantErr: false,
},
{
name: "old",
ldList: ldListOld,
want: []libBind{
{"/lib64/libpthread.so.0", "/lib64/libpthread.so.0"},
{"/lib64/libm.so.6", "/lib64/libm.so.6"},
{"/lib64/libz.so.1", "/lib64/libz.so.1"},
{"/lib64/liblzma.so.5", "/lib64/liblzma.so.5"},
{"/lib64/liblzo2.so.2", "/lib64/liblzo2.so.2"},
{"/lib64/libgcc_s.so.1", "/lib64/libgcc_s.so.1"},
{"/lib64/libc.so.6", "/lib64/libc.so.6"},
{"/lib64/ld-linux-x86-64.so.2", "/lib64/ld-linux-x86-64.so.2"},
},
wantErr: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
buf := strings.NewReader(tt.ldList)
got, err := parseLibraryBinds(buf)
if (err != nil) != tt.wantErr {
t.Errorf("parseLibraryBinds() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("parseLibraryBinds() = %v, want %v", got, tt.want)
}
})
}
}
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