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parser_test.go
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package elf
import (
"encoding/binary"
"path"
"testing"
"github.com/stretchr/testify/assert"
)
// Run Tests against readelf output on /bin/ls.
func TestParser(t *testing.T) {
t.Run("TestELFStructs", func(t *testing.T) {
testCases := []struct {
ELFHeader32 ELF32Header
expectedELFHeader32 ELF32Header
ELFHeader64 ELF64Header
expectedELFHeader64 ELF64Header
}{
{
ELFHeader32: NewELF32Header(),
expectedELFHeader32: ELF32Header{Ident: [16]byte{}, Type: 0, Machine: 0, Version: 0, Entry: 0, Phoff: 0, Shoff: 0, Flags: 0, Ehsize: 0, Phentsize: 0, Phnum: 0, Shentsize: 0, Shnum: 0, Shstrndx: 0},
ELFHeader64: NewELF64Header(),
expectedELFHeader64: ELF64Header{
Ident: [16]byte{},
Type: 0,
Machine: 0,
Version: 0,
Entry: 0,
Phoff: 0,
Shoff: 0,
Flags: 0,
Ehsize: 0,
Phentsize: 0,
Phnum: 0,
Shentsize: 0,
Shnum: 0,
Shstrndx: 0,
},
},
}
for _, tt := range testCases {
if !assert.EqualValues(t, tt.expectedELFHeader32, tt.ELFHeader32) {
t.Fatal("failed to assert empty ELF structs")
}
if !assert.EqualValues(t, tt.expectedELFHeader64, tt.ELFHeader64) {
t.Fatal("failed to assert empty ELF structs")
}
}
})
t.Run("TestParseHeader", func(t *testing.T) {
testCases := []struct {
path string
expectedIdent FileIdent
expectedHeader ELF64Header
}{
{
path: path.Join("test/", "ls"),
expectedIdent: FileIdent{
Magic: [4]byte{0x7f, 'E', 'L', 'F'},
Class: ELFCLASS64,
Data: ELFDATA2LSB,
Version: EV_CURRENT,
OSABI: ELFOSABI_NONE,
ABIVersion: ELFABIVersion_CURRENT,
ByteOrder: binary.LittleEndian,
},
expectedHeader: ELF64Header{
Ident: [16]byte{0x7f, 0x45, 0x4c, 0x46, 0x02, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
Type: uint16(ET_DYN),
Machine: uint16(EM_X86_64),
Version: uint32(EV_CURRENT),
Entry: 0x67d0,
Phoff: 64,
Shoff: 140224,
Flags: 0x0,
Ehsize: 64,
Phentsize: 56,
Phnum: 13,
Shentsize: 64,
Shnum: 30,
Shstrndx: 29,
},
},
}
for _, tt := range testCases {
p, err := New(tt.path, nil)
if err != nil {
t.Fatal("failed to create new parser with error :", err)
}
err = p.ParseIdent()
if err != nil {
t.Fatal("failed to parse ident with error :", err)
}
assert.EqualValues(t, tt.expectedIdent, p.F.Ident, "expected ident equal")
err = p.ParseELFHeader(ELFCLASS64)
if err != nil {
t.Fatal("failed to parse ELF header with error :", err)
}
assert.EqualValues(t, tt.expectedHeader, p.F.Header64, "expected header equal")
}
})
t.Run("TestParseSectionHeader", func(t *testing.T) {
testCases := []struct {
path string
expectedIdent FileIdent
expectedHeader ELF64Header
expectedSectionHeader64 []ELF64SectionHeader
}{
{
path: path.Join("test/", "ls"),
expectedIdent: FileIdent{
Magic: [4]byte{0x7f, 'E', 'L', 'F'},
Class: ELFCLASS64,
Data: ELFDATA2LSB,
Version: EV_CURRENT,
OSABI: ELFOSABI_NONE,
ABIVersion: ELFABIVersion_CURRENT,
ByteOrder: binary.LittleEndian,
},
expectedHeader: ELF64Header{
Ident: [16]byte{0x7f, 0x45, 0x4c, 0x46, 0x02, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
Type: uint16(ET_DYN),
Machine: uint16(EM_X86_64),
Version: uint32(EV_CURRENT),
Entry: 0x67d0,
Phoff: 64,
Shoff: 140224,
Flags: 0x0,
Ehsize: 64,
Phentsize: 56,
Phnum: 13,
Shentsize: 64,
Shnum: 30,
Shstrndx: 29,
},
expectedSectionHeader64: []ELF64SectionHeader{
{
Name: 0,
Type: 0,
Flags: 0,
Addr: 0,
Off: 0,
Size: 0,
Link: 0,
Info: 0,
AddrAlign: 0,
EntSize: 0,
}, {
Name: 11,
Type: uint32(SHT_PROGBITS),
Flags: uint64(SHF_ALLOC),
Addr: 0x318,
Off: 0x318,
Size: 0x1c,
Link: 0,
Info: 0,
AddrAlign: 1,
EntSize: 0,
}, {
Name: 19,
Type: uint32(SHT_NOTE),
Flags: uint64(SHF_ALLOC),
Addr: 0x338,
Off: 0x338,
Size: 0x20,
Link: 0,
Info: 0,
AddrAlign: 8,
EntSize: 0,
}, {
Name: 38,
Type: uint32(SHT_NOTE),
Flags: uint64(SHF_ALLOC),
Addr: 0x358,
Off: 0x358,
Size: 0x24,
Link: 0,
Info: 0,
AddrAlign: 4,
EntSize: 0,
}, {
Name: 57,
Type: uint32(SHT_NOTE),
Flags: uint64(SHF_ALLOC),
Addr: 0x37c,
Off: 0x37c,
Size: 0x20,
Link: 0x0,
Info: 0,
AddrAlign: 4,
EntSize: 0x0,
}, {
Name: 71,
Type: uint32(SHT_GNU_HASH),
Flags: uint64(SHF_ALLOC),
Addr: 0x3a0,
Off: 0x3a0,
Size: 0xe4,
Link: 0x6,
Info: 0,
AddrAlign: 8,
EntSize: 0x0,
}, {
Name: 81,
Type: uint32(SHT_DYNSYM),
Flags: uint64(SHF_ALLOC),
Addr: 0x488,
Off: 0x488,
Size: 0xd08,
Link: 7,
Info: 1,
AddrAlign: 8,
EntSize: 0x18,
}, {
Name: 89,
Type: uint32(SHT_STRTAB),
Flags: uint64(SHF_ALLOC),
Addr: 0x1190,
Off: 0x1190,
Size: 0x64c,
Link: 0x0,
Info: 0,
AddrAlign: 1,
EntSize: 0x0,
}, {
Name: 97,
Type: uint32(SHT_GNU_VERSYM),
Flags: uint64(SHF_ALLOC),
Addr: 0x17dc,
Off: 0x17dc,
Size: 0x116,
Link: 0x6,
Info: 0,
AddrAlign: 2,
EntSize: 0x2,
}, {
Name: 110,
Type: uint32(SHT_GNU_VERNEED),
Flags: uint64(SHF_ALLOC),
Addr: 0x18f8,
Off: 0x18f8,
Size: 0x70,
Link: 0x7,
Info: 1,
AddrAlign: 8,
EntSize: 0x0,
}, {
Name: 125,
Type: uint32(SHT_RELA),
Flags: uint64(SHF_ALLOC),
Addr: 0x1968,
Off: 0x1968,
Size: 0x1350,
Link: 0x6,
Info: 0,
AddrAlign: 8,
EntSize: 0x18,
}, {
Name: 135,
Type: uint32(SHT_RELA),
Flags: uint64(SHF_ALLOC + SHF_INFO_LINK),
Addr: 0x2cb8,
Off: 0x2cb8,
Size: 0x9f0,
Link: 0x6,
Info: 25,
AddrAlign: 8,
EntSize: 0x18,
}, {
Name: 145,
Type: uint32(SHT_PROGBITS),
Flags: uint64(SHF_ALLOC + SHF_EXECINSTR),
Addr: 0x4000,
Off: 0x4000,
Size: 0x1b,
Link: 0x0,
Info: 0,
AddrAlign: 4,
EntSize: 0x0,
}, {
Name: 140,
Type: uint32(SHT_PROGBITS),
Flags: uint64(SHF_ALLOC + SHF_EXECINSTR),
Addr: 0x4020,
Off: 0x4020,
Size: 0x6b0,
Link: 0,
Info: 0,
AddrAlign: 16,
EntSize: 0x10,
}, {
Name: 151,
Type: uint32(SHT_PROGBITS),
Flags: uint64(SHF_ALLOC + SHF_EXECINSTR),
Addr: 0x46d0,
Off: 0x46d0,
Size: 0x30,
Link: 0,
Info: 0,
AddrAlign: 16,
EntSize: 0x10,
}, {
Name: 160,
Type: uint32(SHT_PROGBITS),
Flags: uint64(SHF_ALLOC + SHF_EXECINSTR),
Addr: 0x4700,
Off: 0x4700,
Size: 0x6a0,
Link: 0x0,
Info: 0,
AddrAlign: 16,
EntSize: 0x10,
}, {
Name: 169,
Type: uint32(SHT_PROGBITS),
Flags: uint64(SHF_ALLOC + SHF_EXECINSTR),
Addr: 0x4da0,
Off: 0x4da0,
Size: 0x127d2,
Link: 0x0,
Info: 0,
AddrAlign: 16,
EntSize: 0x0,
}, {
Name: 175,
Type: uint32(SHT_PROGBITS),
Flags: uint64(SHF_ALLOC + SHF_EXECINSTR),
Addr: 0x17574,
Off: 0x17574,
Size: 0xd,
Link: 0,
Info: 0,
AddrAlign: 4,
EntSize: 0x0,
}, {
Name: 181,
Type: uint32(SHT_PROGBITS),
Flags: uint64(SHF_ALLOC),
Addr: 0x18000,
Off: 0x18000,
Size: 0x5249,
Link: 0,
Info: 0,
AddrAlign: 32,
EntSize: 0x0,
}, {
Name: 189,
Type: uint32(SHT_PROGBITS),
Flags: uint64(SHF_ALLOC),
Addr: 0x1d24c,
Off: 0x1d24c,
Size: 0x92c,
Link: 0x0,
Info: 0,
AddrAlign: 4,
EntSize: 0x0,
}, {
Name: 203,
Type: uint32(SHT_PROGBITS),
Flags: uint64(SHF_ALLOC),
Addr: 0x1db78,
Off: 0x1db78,
Size: 0x2fd8,
Link: 0x0,
Info: 0,
AddrAlign: 8,
EntSize: 0x0,
}, {
Name: 213,
Type: uint32(SHT_INIT_ARRAY),
Flags: uint64(SHF_WRITE + SHF_ALLOC),
Addr: 0x22010,
Off: 0x21010,
Size: 0x8,
Link: 0x0,
Info: 0,
AddrAlign: 8,
EntSize: 0x8,
}, {
Name: 225,
Type: uint32(SHT_FINI_ARRAY),
Flags: uint64(SHF_WRITE + SHF_ALLOC),
Addr: 0x22018,
Off: 0x21018,
Size: 0x8,
Link: 0x0,
Info: 0,
AddrAlign: 8,
EntSize: 0x8,
}, {
Name: 237,
Type: uint32(SHT_PROGBITS),
Flags: uint64(SHF_WRITE + SHF_ALLOC),
Addr: 0x22020,
Off: 0x21020,
Size: 0xa38,
Link: 0x0,
Info: 0,
AddrAlign: 32,
EntSize: 0x0,
}, {
Name: 250,
Type: uint32(SHT_DYNAMIC),
Flags: uint64(SHF_WRITE + SHF_ALLOC),
Addr: 0x22a58,
Off: 0x21a58,
Size: 0x200,
Link: 0x7,
Info: 0,
AddrAlign: 8,
EntSize: 0x10,
}, {
Name: 155,
Type: uint32(SHT_PROGBITS),
Flags: uint64(SHF_WRITE + SHF_ALLOC),
Addr: 0x22c58,
Off: 0x21c58,
Size: 0x3a0,
Link: 0,
Info: 0,
AddrAlign: 8,
EntSize: 0x8,
}, {
Name: 259,
Type: uint32(SHT_PROGBITS),
Flags: uint64(SHF_WRITE + SHF_ALLOC),
Addr: 0x23000,
Off: 0x22000,
Size: 0x268,
Link: 0,
Info: 0,
AddrAlign: 32,
EntSize: 0x0,
}, {
Name: 265,
Type: uint32(SHT_NOBITS),
Flags: uint64(SHF_WRITE + SHF_ALLOC),
Addr: 0x23280,
Off: 0x22268,
Size: 0x12d8,
Link: 0,
Info: 0,
AddrAlign: 32,
EntSize: 0x0,
}, {
Name: 270,
Type: uint32(SHT_PROGBITS),
Flags: uint64(SHF_NONE),
Addr: 0x0,
Off: 0x22268,
Size: 0x34,
Link: 0,
Info: 0,
AddrAlign: 4,
EntSize: 0x0,
}, {
Name: 1,
Type: uint32(SHT_STRTAB),
Flags: uint64(SHF_NONE),
Addr: 0x0,
Off: 0x2229c,
Size: 0x11d,
Link: 0,
Info: 0,
AddrAlign: 1,
EntSize: 0x0,
},
},
},
}
for _, tt := range testCases {
p, err := New(tt.path, nil)
if err != nil {
t.Fatal("failed to create new parser with error :", err)
}
err = p.ParseIdent()
if err != nil {
t.Fatal("failed to parse ident with error :", err)
}
assert.EqualValues(t, tt.expectedIdent, p.F.Ident, "expected ident equal")
err = p.ParseELFHeader(ELFCLASS64)
if err != nil {
t.Fatal("failed to parse ELF header with error :", err)
}
assert.EqualValues(t, tt.expectedHeader, p.F.Header64, "expected header equal")
err = p.ParseELFSectionHeaders(ELFCLASS64)
if err != nil {
t.Fatal("failed to parse ELF section headers with error :", err)
}
assert.EqualValues(t, tt.expectedSectionHeader64, p.F.SectionHeaders64, "expected section headers equal")
}
})
t.Run("TestParseSections", func(t *testing.T) {
testCases := []struct {
path string
expectedIdent FileIdent
expectedHeader ELF64Header
expectedSectionHeader64 []ELF64SectionHeader
expectedSectionNames []string
}{
{
path: path.Join("test/", "ls"),
expectedIdent: FileIdent{
Magic: [4]byte{0x7f, 'E', 'L', 'F'},
Class: ELFCLASS64,
Data: ELFDATA2LSB,
Version: EV_CURRENT,
OSABI: ELFOSABI_NONE,
ABIVersion: ELFABIVersion_CURRENT,
ByteOrder: binary.LittleEndian,
},
expectedHeader: ELF64Header{
Ident: [16]byte{0x7f, 0x45, 0x4c, 0x46, 0x02, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
Type: uint16(ET_DYN),
Machine: uint16(EM_X86_64),
Version: uint32(EV_CURRENT),
Entry: 0x67d0,
Phoff: 64,
Shoff: 140224,
Flags: 0x0,
Ehsize: 64,
Phentsize: 56,
Phnum: 13,
Shentsize: 64,
Shnum: 30,
Shstrndx: 29,
},
expectedSectionHeader64: []ELF64SectionHeader{
{
Name: 0,
Type: 0,
Flags: 0,
Addr: 0,
Off: 0,
Size: 0,
Link: 0,
Info: 0,
AddrAlign: 0,
EntSize: 0,
}, {
Name: 11,
Type: uint32(SHT_PROGBITS),
Flags: uint64(SHF_ALLOC),
Addr: 0x318,
Off: 0x318,
Size: 0x1c,
Link: 0,
Info: 0,
AddrAlign: 1,
EntSize: 0,
}, {
Name: 19,
Type: uint32(SHT_NOTE),
Flags: uint64(SHF_ALLOC),
Addr: 0x338,
Off: 0x338,
Size: 0x20,
Link: 0,
Info: 0,
AddrAlign: 8,
EntSize: 0,
}, {
Name: 38,
Type: uint32(SHT_NOTE),
Flags: uint64(SHF_ALLOC),
Addr: 0x358,
Off: 0x358,
Size: 0x24,
Link: 0,
Info: 0,
AddrAlign: 4,
EntSize: 0,
}, {
Name: 57,
Type: uint32(SHT_NOTE),
Flags: uint64(SHF_ALLOC),
Addr: 0x37c,
Off: 0x37c,
Size: 0x20,
Link: 0x0,
Info: 0,
AddrAlign: 4,
EntSize: 0x0,
}, {
Name: 71,
Type: uint32(SHT_GNU_HASH),
Flags: uint64(SHF_ALLOC),
Addr: 0x3a0,
Off: 0x3a0,
Size: 0xe4,
Link: 0x6,
Info: 0,
AddrAlign: 8,
EntSize: 0x0,
}, {
Name: 81,
Type: uint32(SHT_DYNSYM),
Flags: uint64(SHF_ALLOC),
Addr: 0x488,
Off: 0x488,
Size: 0xd08,
Link: 7,
Info: 1,
AddrAlign: 8,
EntSize: 0x18,
}, {
Name: 89,
Type: uint32(SHT_STRTAB),
Flags: uint64(SHF_ALLOC),
Addr: 0x1190,
Off: 0x1190,
Size: 0x64c,
Link: 0x0,
Info: 0,
AddrAlign: 1,
EntSize: 0x0,
}, {
Name: 97,
Type: uint32(SHT_GNU_VERSYM),
Flags: uint64(SHF_ALLOC),
Addr: 0x17dc,
Off: 0x17dc,
Size: 0x116,
Link: 0x6,
Info: 0,
AddrAlign: 2,
EntSize: 0x2,
}, {
Name: 110,
Type: uint32(SHT_GNU_VERNEED),
Flags: uint64(SHF_ALLOC),
Addr: 0x18f8,
Off: 0x18f8,
Size: 0x70,
Link: 0x7,
Info: 1,
AddrAlign: 8,
EntSize: 0x0,
}, {
Name: 125,
Type: uint32(SHT_RELA),
Flags: uint64(SHF_ALLOC),
Addr: 0x1968,
Off: 0x1968,
Size: 0x1350,
Link: 0x6,
Info: 0,
AddrAlign: 8,
EntSize: 0x18,
}, {
Name: 135,
Type: uint32(SHT_RELA),
Flags: uint64(SHF_ALLOC + SHF_INFO_LINK),
Addr: 0x2cb8,
Off: 0x2cb8,
Size: 0x9f0,
Link: 0x6,
Info: 25,
AddrAlign: 8,
EntSize: 0x18,
}, {
Name: 145,
Type: uint32(SHT_PROGBITS),
Flags: uint64(SHF_ALLOC + SHF_EXECINSTR),
Addr: 0x4000,
Off: 0x4000,
Size: 0x1b,
Link: 0x0,
Info: 0,
AddrAlign: 4,
EntSize: 0x0,
}, {
Name: 140,
Type: uint32(SHT_PROGBITS),
Flags: uint64(SHF_ALLOC + SHF_EXECINSTR),
Addr: 0x4020,
Off: 0x4020,
Size: 0x6b0,
Link: 0,
Info: 0,
AddrAlign: 16,
EntSize: 0x10,
}, {
Name: 151,
Type: uint32(SHT_PROGBITS),
Flags: uint64(SHF_ALLOC + SHF_EXECINSTR),
Addr: 0x46d0,
Off: 0x46d0,
Size: 0x30,
Link: 0,
Info: 0,
AddrAlign: 16,
EntSize: 0x10,
}, {
Name: 160,
Type: uint32(SHT_PROGBITS),
Flags: uint64(SHF_ALLOC + SHF_EXECINSTR),
Addr: 0x4700,
Off: 0x4700,
Size: 0x6a0,
Link: 0x0,
Info: 0,
AddrAlign: 16,
EntSize: 0x10,
}, {
Name: 169,
Type: uint32(SHT_PROGBITS),
Flags: uint64(SHF_ALLOC + SHF_EXECINSTR),
Addr: 0x4da0,
Off: 0x4da0,
Size: 0x127d2,
Link: 0x0,
Info: 0,
AddrAlign: 16,
EntSize: 0x0,
}, {
Name: 175,
Type: uint32(SHT_PROGBITS),
Flags: uint64(SHF_ALLOC + SHF_EXECINSTR),
Addr: 0x17574,
Off: 0x17574,
Size: 0xd,
Link: 0,
Info: 0,
AddrAlign: 4,
EntSize: 0x0,
}, {
Name: 181,
Type: uint32(SHT_PROGBITS),
Flags: uint64(SHF_ALLOC),
Addr: 0x18000,
Off: 0x18000,
Size: 0x5249,
Link: 0,
Info: 0,
AddrAlign: 32,
EntSize: 0x0,
}, {
Name: 189,
Type: uint32(SHT_PROGBITS),
Flags: uint64(SHF_ALLOC),
Addr: 0x1d24c,
Off: 0x1d24c,
Size: 0x92c,
Link: 0x0,
Info: 0,
AddrAlign: 4,
EntSize: 0x0,
}, {
Name: 203,
Type: uint32(SHT_PROGBITS),
Flags: uint64(SHF_ALLOC),
Addr: 0x1db78,
Off: 0x1db78,
Size: 0x2fd8,
Link: 0x0,
Info: 0,
AddrAlign: 8,
EntSize: 0x0,
}, {
Name: 213,
Type: uint32(SHT_INIT_ARRAY),
Flags: uint64(SHF_WRITE + SHF_ALLOC),
Addr: 0x22010,
Off: 0x21010,
Size: 0x8,
Link: 0x0,
Info: 0,
AddrAlign: 8,
EntSize: 0x8,
}, {
Name: 225,
Type: uint32(SHT_FINI_ARRAY),
Flags: uint64(SHF_WRITE + SHF_ALLOC),
Addr: 0x22018,
Off: 0x21018,
Size: 0x8,
Link: 0x0,
Info: 0,
AddrAlign: 8,
EntSize: 0x8,
}, {
Name: 237,
Type: uint32(SHT_PROGBITS),
Flags: uint64(SHF_WRITE + SHF_ALLOC),
Addr: 0x22020,
Off: 0x21020,
Size: 0xa38,
Link: 0x0,
Info: 0,
AddrAlign: 32,
EntSize: 0x0,
}, {
Name: 250,
Type: uint32(SHT_DYNAMIC),
Flags: uint64(SHF_WRITE + SHF_ALLOC),
Addr: 0x22a58,
Off: 0x21a58,
Size: 0x200,
Link: 0x7,
Info: 0,
AddrAlign: 8,
EntSize: 0x10,
}, {
Name: 155,
Type: uint32(SHT_PROGBITS),
Flags: uint64(SHF_WRITE + SHF_ALLOC),
Addr: 0x22c58,
Off: 0x21c58,
Size: 0x3a0,
Link: 0,
Info: 0,
AddrAlign: 8,
EntSize: 0x8,
}, {
Name: 259,
Type: uint32(SHT_PROGBITS),
Flags: uint64(SHF_WRITE + SHF_ALLOC),
Addr: 0x23000,
Off: 0x22000,
Size: 0x268,
Link: 0,
Info: 0,
AddrAlign: 32,
EntSize: 0x0,
}, {
Name: 265,
Type: uint32(SHT_NOBITS),
Flags: uint64(SHF_WRITE + SHF_ALLOC),
Addr: 0x23280,
Off: 0x22268,
Size: 0x12d8,
Link: 0,
Info: 0,
AddrAlign: 32,
EntSize: 0x0,
}, {
Name: 270,
Type: uint32(SHT_PROGBITS),
Flags: uint64(SHF_NONE),
Addr: 0x0,
Off: 0x22268,
Size: 0x34,
Link: 0,
Info: 0,
AddrAlign: 4,
EntSize: 0x0,
}, {
Name: 1,
Type: uint32(SHT_STRTAB),
Flags: uint64(SHF_NONE),
Addr: 0x0,
Off: 0x2229c,
Size: 0x11d,
Link: 0,
Info: 0,
AddrAlign: 1,
EntSize: 0x0,
},
},
expectedSectionNames: []string{
"",
".interp",
".note.gnu.property",
".note.gnu.build-id",
".note.ABI-tag",
".gnu.hash",
".dynsym",
".dynstr",
".gnu.version",
".gnu.version_r",
".rela.dyn",
".rela.plt",
".init",
".plt",
".plt.got",
".plt.sec",
".text",
".fini",
".rodata",
".eh_frame_hdr",
".eh_frame",
".init_array",
".fini_array",
".data.rel.ro",
".dynamic",
".got",
".data",
".bss",
".gnu_debuglink",
".shstrtab",
},
},
}
for _, tt := range testCases {
p, err := New(tt.path, nil)
if err != nil {
t.Fatal("failed to create new parser with error :", err)
}
err = p.ParseIdent()
if err != nil {
t.Fatal("failed to parse ident with error :", err)
}
assert.EqualValues(t, tt.expectedIdent, p.F.Ident, "expected ident equal")
err = p.ParseELFHeader(ELFCLASS64)
if err != nil {
t.Fatal("failed to parse ELF header with error :", err)
}
assert.EqualValues(t, tt.expectedHeader, p.F.Header64, "expected header equal")
err = p.ParseELFSectionHeaders(ELFCLASS64)
if err != nil {
t.Fatal("failed to parse ELF section headers with error :", err)
}
assert.EqualValues(t, tt.expectedSectionHeader64, p.F.SectionHeaders64, "expected section headers equal")
err = p.parseELFSections64()
if err != nil {
t.Fatal("failed to parse ELF section headers with error :", err)
}
assert.EqualValues(t, tt.expectedSectionNames, p.F.SectionNames())
}
})
t.Run("TestParseProgramHeaders", func(t *testing.T) {
testCases := []struct {
path string
expectedIdent FileIdent
expectedHeader ELF64Header
expectedProgramHeaders []ELF64ProgramHeader
expectedProgramHeaderCount int
}{
{
path: path.Join("test/", "ls"),
expectedIdent: FileIdent{
Magic: [4]byte{0x7f, 'E', 'L', 'F'},
Class: ELFCLASS64,
Data: ELFDATA2LSB,
Version: EV_CURRENT,
OSABI: ELFOSABI_NONE,
ABIVersion: ELFABIVersion_CURRENT,
ByteOrder: binary.LittleEndian,
},
expectedHeader: ELF64Header{
Ident: [16]byte{0x7f, 0x45, 0x4c, 0x46, 0x02, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
Type: uint16(ET_DYN),
Machine: uint16(EM_X86_64),
Version: uint32(EV_CURRENT),
Entry: 0x67d0,
Phoff: 64,
Shoff: 140224,
Flags: 0x0,
Ehsize: 64,
Phentsize: 56,
Phnum: 13,
Shentsize: 64,
Shnum: 30,
Shstrndx: 29,
},
expectedProgramHeaders: []ELF64ProgramHeader{
{
Type: uint32(PT_PHDR),
Flags: uint32(PF_R),
Off: 0x000040,
Vaddr: 0x0000000000000040,
Paddr: 0x0000000000000040,
Filesz: 0x0002d8,
Memsz: 0x0002d8,
Align: 0x8,
}, {
Type: uint32(PT_INTERP),
Flags: uint32(PF_R),
Off: 0x000318,
Vaddr: 0x0000000000000318,
Paddr: 0x0000000000000318,
Filesz: 0x00001c,
Memsz: 0x00001c,
Align: 0x1,
}, {
Type: uint32(PT_LOAD),
Flags: uint32(PF_R),
Off: 0x000000,
Vaddr: 0x0000000000000000,
Paddr: 0x0000000000000000,
Filesz: 0x0036a8,
Memsz: 0x0036a8,
Align: 0x1000,
}, {
Type: uint32(PT_LOAD),
Flags: uint32(PF_R + PF_X),
Off: 0x004000,
Vaddr: 0x0000000000004000,
Paddr: 0x0000000000004000,
Filesz: 0x013581,
Memsz: 0x013581,
Align: 0x1000,
}, {