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Quote systemd DefaultEnvironment Proxy values #23674

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10 changes: 6 additions & 4 deletions pkg/machine/e2e/proxy_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -76,10 +76,12 @@ var _ = Describe("podman machine proxy settings propagation", func() {
Expect(stopSession).To(Exit(0))

// Now update proxy env, lets use some special vars to make sure our scripts can handle it
proxy1 := "http:// some special @;\" here"
proxy2 := "https://abc :£$%6 : |\"\""
proxy1 := "http://foo:b%%40r@example.com:8080"
proxy2 := "https://foo:bar%%3F@example.com:8080"
noproxy := "noproxy1.example.com,noproxy2.example.com"
os.Setenv("HTTP_PROXY", proxy1)
os.Setenv("HTTPS_PROXY", proxy2)
os.Setenv("NO_PROXY", noproxy)

// changing SSL_CERT vars should not have an effect
os.Setenv("SSL_CERT_FILE", "/tmp/1")
Expand All @@ -90,10 +92,10 @@ var _ = Describe("podman machine proxy settings propagation", func() {
Expect(err).ToNot(HaveOccurred())
Expect(startSession).To(Exit(0))

sshSession, err = mb.setName(name).setCmd(sshProxy.withSSHCommand([]string{"printenv", "HTTP_PROXY", "HTTPS_PROXY"})).run()
sshSession, err = mb.setName(name).setCmd(sshProxy.withSSHCommand([]string{"printenv", "HTTP_PROXY", "HTTPS_PROXY", "NO_PROXY"})).run()
Expect(err).ToNot(HaveOccurred())
Expect(sshSession).To(Exit(0))
Expect(string(sshSession.Out.Contents())).To(Equal(proxy1 + "\n" + proxy2 + "\n"))
Expect(string(sshSession.Out.Contents())).To(Equal(proxy1 + "\n" + proxy2 + "\n" + noproxy + "\n"))

// SSL_CERT not implemented for WSL
if !isVmtype(define.WSLVirt) {
Expand Down
2 changes: 1 addition & 1 deletion pkg/machine/proxyenv/env.go
Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,7 @@ rm -f $SYSTEMD_CONF $ENVD_CONF $PROFILE_CONF

echo "[Manager]" >> $SYSTEMD_CONF
for proxy in %s; do
printf "DefaultEnvironment=%%q\n" "$proxy" >> $SYSTEMD_CONF
printf "DefaultEnvironment=\"%%s\"\n" "$proxy" >> $SYSTEMD_CONF
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This will break if the vars contains a quote, I guess I am fine to trade quote is broken vs command is broken because the later is actually used in these vars while the quote most likely is never used.

However please fix the test and add a comma there

proxy1 := "http:// some special @;\" here"

printf "%%q\n" "$proxy" >> $ENVD_CONF
printf "export %%q\n" "$proxy" >> $PROFILE_CONF
done
Expand Down
76 changes: 76 additions & 0 deletions pkg/machine/proxyenv/env_test.go
Original file line number Diff line number Diff line change
@@ -0,0 +1,76 @@
package proxyenv

import (
"bytes"
"testing"

"github.com/stretchr/testify/assert"
)

func Test_getProxyScript(t *testing.T) {
type env struct {
name string
value string
}
type args struct {
isWSL bool
envs []env
}
tests := []struct {
name string
args args
want string
}{
{
name: "all vars set",
args: args{
isWSL: false,
envs: []env{
{
name: "http_proxy",
value: "proxy1",
},
{
name: "https_proxy",
value: "sproxy1",
},
{
name: "no_proxy",
value: "no1,no2",
},
},
},
want: `#!/bin/bash

SYSTEMD_CONF=/etc/systemd/system.conf.d/default-env.conf
ENVD_CONF=/etc/environment.d/default-env.conf
PROFILE_CONF=/etc/profile.d/default-env.sh

mkdir -p /etc/profile.d /etc/environment.d /etc/systemd/system.conf.d/
rm -f $SYSTEMD_CONF $ENVD_CONF $PROFILE_CONF

echo "[Manager]" >> $SYSTEMD_CONF
for proxy in "http_proxy=proxy1" "https_proxy=sproxy1" "no_proxy=no1,no2"; do
printf "DefaultEnvironment=\"%s\"\n" "$proxy" >> $SYSTEMD_CONF
printf "%q\n" "$proxy" >> $ENVD_CONF
printf "export %q\n" "$proxy" >> $PROFILE_CONF
done

systemctl daemon-reload
`,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
for _, e := range tt.args.envs {
t.Setenv(e.name, e.value)
}
got := getProxyScript(tt.args.isWSL)
buf := new(bytes.Buffer)
_, err := buf.ReadFrom(got)
assert.NoError(t, err)
str := buf.String()
assert.Equal(t, tt.want, str)
})
}
}