Add e2e test cases for shadowsocks

tests/e2e/testdata/shadowsocks/tcp_client_2022_aes128.yaml

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+services:
+- name: http-proxy
+  addr: :8080
+  handler:
+    type: http
+    chain: ss-tcp-chain
+  listener:
+    type: tcp
+
+chains:
+- name: ss-tcp-chain
+  hops:
+  - name: ss-hop
+    nodes:
+    - name: ss-node
+      addr: {{.ServerAddr}}
+      connector:
+        type: ss
+        auth:
+          username: 2022-blake3-aes-128-gcm
+          password: MTIzNDU2Nzg5MDEyMzQ1Ng==
+      dialer:
+        type: tcp

tests/e2e/testdata/shadowsocks/tcp_client_2022_aes128_multipsk.yaml

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+services:
+- name: http-proxy
+  addr: :8080
+  handler:
+    type: http
+    chain: ss-tcp-chain
+  listener:
+    type: tcp
+
+chains:
+- name: ss-tcp-chain
+  hops:
+  - name: ss-hop
+    nodes:
+    - name: ss-node
+      addr: {{.ServerAddr}}
+      connector:
+        type: ss
+        auth:
+          username: 2022-blake3-aes-128-gcm
+          password: MTIzNDU2Nzg5MDEyMzQ1Ng==:Vbwi6yqCwvPMPR1bCi32Dg==
+      dialer:
+        type: tcp

tests/e2e/testdata/shadowsocks/tcp_client_2022_aes256.yaml

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+services:
+- name: http-proxy
+  addr: :8080
+  handler:
+    type: http
+    chain: ss-tcp-chain
+  listener:
+    type: tcp
+
+chains:
+- name: ss-tcp-chain
+  hops:
+  - name: ss-hop
+    nodes:
+    - name: ss-node
+      addr: {{.ServerAddr}}
+      connector:
+        type: ss
+        auth:
+          username: 2022-blake3-aes-256-gcm
+          password: MTIzNDU2Nzg5MDEyMzQ1NjEyMzQ1Njc4OTAxMjM0NTY=
+      dialer:
+        type: tcp

tests/e2e/testdata/shadowsocks/tcp_client_2022_aes256_multipsk.yaml

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+services:
+- name: http-proxy
+  addr: :8080
+  handler:
+    type: http
+    chain: ss-tcp-chain
+  listener:
+    type: tcp
+
+chains:
+- name: ss-tcp-chain
+  hops:
+  - name: ss-hop
+    nodes:
+    - name: ss-node
+      addr: {{.ServerAddr}}
+      connector:
+        type: ss
+        auth:
+          username: 2022-blake3-aes-256-gcm
+          password: MTIzNDU2Nzg5MDEyMzQ1NjEyMzQ1Njc4OTAxMjM0NTY=:YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXoxMjM0NTY=
+      dialer:
+        type: tcp

tests/e2e/testdata/shadowsocks/tcp_client_aes256gcm.yaml

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+services:
+- name: http-proxy
+  addr: :8080
+  handler:
+    type: http
+    chain: ss-tcp-chain
+  listener:
+    type: tcp
+
+chains:
+- name: ss-tcp-chain
+  hops:
+  - name: ss-hop
+    nodes:
+    - name: ss-node
+      addr: {{.ServerAddr}}
+      connector:
+        type: ss
+        auth:
+          username: aes-256-gcm
+          password: secret
+      dialer:
+        type: tcp

tests/e2e/testdata/shadowsocks/tcp_client_chacha20.yaml

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+services:
+- name: http-proxy
+  addr: :8080
+  handler:
+    type: http
+    chain: ss-tcp-chain
+  listener:
+    type: tcp
+
+chains:
+- name: ss-tcp-chain
+  hops:
+  - name: ss-hop
+    nodes:
+    - name: ss-node
+      addr: {{.ServerAddr}}
+      connector:
+        type: ss
+        auth:
+          username: chacha20-ietf-poly1305
+          password: secret
+      dialer:
+        type: tcp

tests/e2e/testdata/shadowsocks/tcp_server_2022_aes128.yaml

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+services:
+- name: ss-server
+  addr: :8388
+  handler:
+    type: ss
+    auth:
+      username: 2022-blake3-aes-128-gcm
+      password: MTIzNDU2Nzg5MDEyMzQ1Ng==
+  listener:
+    type: tcp

tests/e2e/testdata/shadowsocks/tcp_server_2022_aes128_multipsk.yaml

@@ -0,0 +1,13 @@
+services:
+- name: ss-server
+  addr: :8388
+  handler:
+    type: ss
+    auth:
+      username: 2022-blake3-aes-128-gcm
+      password: MTIzNDU2Nzg5MDEyMzQ1Ng==
+    metadata:
+      users:
+        test: Vbwi6yqCwvPMPR1bCi32Dg==
+  listener:
+    type: tcp

tests/e2e/testdata/shadowsocks/tcp_server_2022_aes256.yaml

@@ -0,0 +1,10 @@
+services:
+- name: ss-server
+  addr: :8388
+  handler:
+    type: ss
+    auth:
+      username: 2022-blake3-aes-256-gcm
+      password: MTIzNDU2Nzg5MDEyMzQ1NjEyMzQ1Njc4OTAxMjM0NTY=
+  listener:
+    type: tcp

tests/e2e/testdata/shadowsocks/tcp_server_2022_aes256_multipsk.yaml

@@ -0,0 +1,13 @@
+services:
+- name: ss-server
+  addr: :8388
+  handler:
+    type: ss
+    auth:
+      username: 2022-blake3-aes-256-gcm
+      password: MTIzNDU2Nzg5MDEyMzQ1NjEyMzQ1Njc4OTAxMjM0NTY=
+    metadata:
+      users:
+        test: YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXoxMjM0NTY=
+  listener:
+    type: tcp

tests/e2e/testdata/shadowsocks/tcp_server_aes256gcm.yaml

@@ -0,0 +1,10 @@
+services:
+- name: ss-server
+  addr: :8388
+  handler:
+    type: ss
+    auth:
+      username: aes-256-gcm
+      password: secret
+  listener:
+    type: tcp

tests/e2e/testdata/shadowsocks/tcp_server_chacha20.yaml

@@ -0,0 +1,10 @@
+services:
+- name: ss-server
+  addr: :8388
+  handler:
+    type: ss
+    auth:
+      username: chacha20-ietf-poly1305
+      password: secret
+  listener:
+    type: tcp

tests/e2e/testdata/shadowsocks/udp_client_2022_aes128.yaml

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+services:
+- name: udp-proxy
+  addr: :9000
+  handler:
+    type: udp
+    chain: ssu-chain
+  forwarder:
+    nodes:
+    - name: udp-echo
+      addr: udp-echo:5679
+  listener:
+    type: udp
+
+chains:
+- name: ssu-chain
+  hops:
+  - name: ssu-hop
+    nodes:
+    - name: ssu-node
+      addr: {{.ServerAddr}}
+      connector:
+        type: ssu
+        auth:
+          username: 2022-blake3-aes-128-gcm
+          password: MTIzNDU2Nzg5MDEyMzQ1Ng==
+      dialer:
+        type: udp

tests/e2e/testdata/shadowsocks/udp_client_2022_aes256.yaml

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+services:
+- name: udp-proxy
+  addr: :9000
+  handler:
+    type: udp
+    chain: ssu-chain
+  forwarder:
+    nodes:
+    - name: udp-echo
+      addr: udp-echo:5679
+  listener:
+    type: udp
+
+chains:
+- name: ssu-chain
+  hops:
+  - name: ssu-hop
+    nodes:
+    - name: ssu-node
+      addr: {{.ServerAddr}}
+      connector:
+        type: ssu
+        auth:
+          username: 2022-blake3-aes-256-gcm
+          password: MTIzNDU2Nzg5MDEyMzQ1NjEyMzQ1Njc4OTAxMjM0NTY=
+      dialer:
+        type: udp

tests/e2e/testdata/shadowsocks/udp_client_aes256gcm.yaml

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+services:
+- name: udp-proxy
+  addr: :9000
+  handler:
+    type: udp
+    chain: ssu-chain
+  forwarder:
+    nodes:
+    - name: udp-echo
+      addr: udp-echo:5679
+  listener:
+    type: udp
+
+chains:
+- name: ssu-chain
+  hops:
+  - name: ssu-hop
+    nodes:
+    - name: ssu-node
+      addr: {{.ServerAddr}}
+      connector:
+        type: ssu
+        auth:
+          username: aes-256-gcm
+          password: secret
+      dialer:
+        type: udp

tests/e2e/testdata/shadowsocks/udp_server_2022_aes128.yaml

@@ -0,0 +1,10 @@
+services:
+- name: ssu-server
+  addr: :8389
+  handler:
+    type: ssu
+    auth:
+      username: 2022-blake3-aes-128-gcm
+      password: MTIzNDU2Nzg5MDEyMzQ1Ng==
+  listener:
+    type: udp

tests/e2e/testdata/shadowsocks/udp_server_2022_aes256.yaml

@@ -0,0 +1,10 @@
+services:
+- name: ssu-server
+  addr: :8389
+  handler:
+    type: ssu
+    auth:
+      username: 2022-blake3-aes-256-gcm
+      password: MTIzNDU2Nzg5MDEyMzQ1NjEyMzQ1Njc4OTAxMjM0NTY=
+  listener:
+    type: udp

tests/e2e/testdata/shadowsocks/udp_server_aes256gcm.yaml

@@ -0,0 +1,10 @@
+services:
+- name: ssu-server
+  addr: :8389
+  handler:
+    type: ssu
+    auth:
+      username: aes-256-gcm
+      password: secret
+  listener:
+    type: udp