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* support: URR related IEs * ignore session report msg in PeekNextResponse() * print log msg when received session report related msg * upgrade to golang 1.18 & go-pfcp v0.0.19 * update urr related handlers * support to handle sessionReport * add fuzz package * support ie fuzzing * update Fuzzing Test * ignore HeartbeatRequest * fix ci linter error * package rename * add license/copyright header * update makefile * Fix lint issue * fix gosec G404 & update behavior of test target in Makefile * update go.mod * fix ci-lint error in fuzz test * update README * fix ci linter error * fix: support loopback interface * Update .gitignore * fix: update typo and add args for fuzz test * doc: update README * Apply suggestions from code review --------- Co-authored-by: gab-arrobo <gabriel.arrobo@intel.com> Co-authored-by: CTFang@WireLab <ctfang.cs12@nycu.edu.tw>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,9 +1,12 @@ | ||
| # SPDX-License-Identifier: Apache-2.0 | ||
| # Copyright 2022-present Open Networking Foundation | ||
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| .fuzz/test_data | ||
| .idea/ | ||
| .coverage/ | ||
| output | ||
| *.pyc | ||
| *.swp | ||
| *.log | ||
| client | ||
| server |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
| // Copyright 2024-present Ian Chen <ychen.cs10@nycu.edu.tw> | ||
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| package fuzz | ||
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| import ( | ||
| "crypto/rand" | ||
| "flag" | ||
| "math/big" | ||
| "testing" | ||
| "time" | ||
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| "github.com/omec-project/pfcpsim/internal/pfcpsim/export" | ||
| "github.com/omec-project/pfcpsim/pkg/pfcpsim/session" | ||
| "github.com/stretchr/testify/require" | ||
| ) | ||
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| const ( | ||
| MaxUint = ^uint(0) | ||
| MaxInt = int(MaxUint >> 1) | ||
| ) | ||
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| func getRand(n int) int { | ||
| res, err := rand.Int(rand.Reader, big.NewInt(int64(n))) | ||
| if err != nil { | ||
| return n | ||
| } | ||
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| return int(res.Int64()) | ||
| } | ||
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| var ( | ||
| iface = flag.String("iface", "eth0", "the interface name you used to establish the connection with UPF.") | ||
| upfN3 = flag.String("upfN3", "192.168.0.5", "the N3 interface address of the UPF") | ||
| upfN4 = flag.String("upfN4", "127.0.0.8", "the N4 interface address of the UPF") | ||
| ) | ||
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| func Fuzz(f *testing.F) { | ||
| var testcases []uint | ||
| for i := 0; i < 100; i++ { | ||
| testcases = append(testcases, uint(getRand(MaxInt))) | ||
| } | ||
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| for _, tc := range testcases { | ||
| f.Add(tc) | ||
| } | ||
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| session.SetCheck(false) | ||
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| f.Fuzz(func(t *testing.T, input uint) { | ||
| time.Sleep(5 * time.Second) | ||
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| sim := export.NewPfcpSimCfg(*iface, *upfN3, *upfN4) | ||
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| err := sim.InitPFCPSim() | ||
| if err != nil { | ||
| require.NoError(t, err, "InitPFCPSim failed") | ||
| } | ||
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| err = sim.Associate() | ||
| if err != nil { | ||
| require.NoError(t, err, "Associate failed") | ||
| } | ||
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| defer func() { | ||
| err = sim.TerminatePFCPSim() | ||
| require.NoError(t, err) | ||
| }() | ||
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| err = sim.CreateSession(2, getRand(session.PdrMax), | ||
| int(input)%session.QerMax, | ||
| int(input)%session.FarMax, | ||
| int(input)%session.UrrMax, | ||
| input) | ||
| if err != nil { | ||
| require.NoError(t, err, "CreateSession failed") | ||
| } | ||
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| err = sim.ModifySession(2, | ||
| getRand(session.FarMax), | ||
| getRand(session.UrrMax), | ||
| input) | ||
| if err != nil { | ||
| require.NoError(t, err, "ModifySession failed") | ||
| } | ||
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| time.Sleep(3 * time.Second) | ||
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| err = sim.DeleteSession(2) | ||
| if err != nil { | ||
| require.NoError(t, err, "DeleteSession failed") | ||
| } | ||
| }) | ||
| } |
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