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Add container GID to additional groups

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Mitigates a potential permissions issue. Mirrors Buildah PR #4200
and CRI-O PR #6159.

Signed-off-by: Matthew Heon <mheon@redhat.com>
This commit is contained in:
Matthew Heon
2022-09-02 13:40:29 -04:00
parent 0e66f75f2a
commit d82a41687e
3 changed files with 14 additions and 3 deletions
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14
test/e2e/run_test.go
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@@ -945,7 +945,7 @@ echo -n %s >%s
session := podmanTest.Podman([]string{"run", "--rm", "--user=1234", ALPINE, "id"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
Expect(session.OutputToString()).To(Equal("uid=1234(1234) gid=0(root)"))
Expect(session.OutputToString()).To(Equal("uid=1234(1234) gid=0(root) groups=0(root)"))
})
It("podman run with user (integer, in /etc/passwd)", func() {
@@ -966,14 +966,14 @@ echo -n %s >%s
session := podmanTest.Podman([]string{"run", "--rm", "--user=mail:21", ALPINE, "id"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
Expect(session.OutputToString()).To(Equal("uid=8(mail) gid=21(ftp)"))
Expect(session.OutputToString()).To(Equal("uid=8(mail) gid=21(ftp) groups=21(ftp)"))
})
It("podman run with user:group (integer:groupname)", func() {
session := podmanTest.Podman([]string{"run", "--rm", "--user=8:ftp", ALPINE, "id"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
Expect(session.OutputToString()).To(Equal("uid=8(mail) gid=21(ftp)"))
Expect(session.OutputToString()).To(Equal("uid=8(mail) gid=21(ftp) groups=21(ftp)"))
})
It("podman run with user, verify caps dropped", func() {
@@ -984,6 +984,14 @@ echo -n %s >%s
Expect("0000000000000000").To(Equal(capEff[1]))
})
It("podman run with user, verify group added", func() {
session := podmanTest.Podman([]string{"run", "--rm", "--user=1000:1000", ALPINE, "grep", "Groups:", "/proc/self/status"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
groups := strings.Split(session.OutputToString(), " ")[1]
Expect("1000").To(Equal(groups))
})
It("podman run with attach stdin outputs container ID", func() {
session := podmanTest.Podman([]string{"run", "--attach", "stdin", ALPINE, "printenv"})
session.WaitWithDefaultTimeout()