Do not support wildcards on cp

* symlink processing and wildcarding led to unexpected files
  being copied

Signed-off-by: Jhon Honce <jhonce@redhat.com>

cmd/podman/cp.go

@@ -52,7 +52,7 @@ func init() {
 	cpCommand.Command = _cpCommand
 	flags := cpCommand.Flags()
 	flags.BoolVar(&cpCommand.Extract, "extract", false, "Extract the tar file into the destination directory.")
-	flags.BoolVar(&cpCommand.Pause, "pause", false, "Pause the container while copying")
+	flags.BoolVar(&cpCommand.Pause, "pause", true, "Pause the container while copying")
 	cpCommand.SetHelpTemplate(HelpTemplate())
 	cpCommand.SetUsageTemplate(UsageTemplate())
 }
@@ -147,7 +147,6 @@ func copyBetweenHostAndContainer(runtime *libpod.Runtime, src string, dest strin
 
 	hostOwner := idtools.IDPair{UID: int(hostUID), GID: int(hostGID)}
 
-	var glob []string
 	if isFromHostToCtr {
 		if isVol, volDestName, volName := isVolumeDestName(destPath, ctr); isVol {
 			path, err := pathWithVolumeMount(ctr, runtime, volDestName, volName, destPath)
@@ -209,13 +208,7 @@ func copyBetweenHostAndContainer(runtime *libpod.Runtime, src string, dest strin
 			srcPath = cleanedPath
 		}
 	}
-	glob, err = filepath.Glob(srcPath)
+
-	if err != nil {
-		return errors.Wrapf(err, "invalid glob %q", srcPath)
-	}
-	if len(glob) == 0 {
-		glob = append(glob, srcPath)
-	}
 	if !filepath.IsAbs(destPath) {
 		dir, err := os.Getwd()
 		if err != nil {
@@ -224,19 +217,11 @@ func copyBetweenHostAndContainer(runtime *libpod.Runtime, src string, dest strin
 		destPath = filepath.Join(dir, destPath)
 	}
 
-	var lastError error
+	if src == "-" {
-	for _, src := range glob {
+		srcPath = os.Stdin.Name()
-		if src == "-" {
+		extract = true
-			src = os.Stdin.Name()
-			extract = true
-		}
-		err := copy(src, destPath, dest, idMappingOpts, &destOwner, extract, isFromHostToCtr)
-		if lastError != nil {
-			logrus.Error(lastError)
-		}
-		lastError = err
 	}
-	return lastError
+	return copy(srcPath, destPath, dest, idMappingOpts, &destOwner, extract, isFromHostToCtr)
 }
 
 func getUser(mountPoint string, userspec string) (specs.User, error) {

test/e2e/cp_test.go

@@ -223,7 +223,7 @@ var _ = Describe("Podman cp", func() {
 		session.WaitWithDefaultTimeout()
 		Expect(session.ExitCode()).To(Equal(0))
 
-		session = podmanTest.Podman([]string{"cp", "testctr:testfile", "testfile1"})
+		session = podmanTest.Podman([]string{"cp", "--pause=false", "testctr:testfile", "testfile1"})
 		session.WaitWithDefaultTimeout()
 		Expect(session.ExitCode()).To(Equal(0))
 
@@ -233,7 +233,7 @@ var _ = Describe("Podman cp", func() {
 		Expect(err).To(BeNil())
 		Expect(strings.Contains(string(cmdRet), "testuser")).To(BeFalse())
 
-		session = podmanTest.Podman([]string{"cp", "testfile1", "testctr:testfile2"})
+		session = podmanTest.Podman([]string{"cp", "--pause=false", "testfile1", "testctr:testfile2"})
 		session.WaitWithDefaultTimeout()
 		Expect(session.ExitCode()).To(Equal(0))
 

test/system/065-cp.bats

@@ -27,13 +27,8 @@ load helpers
                "echo $rand_content1 >/tmp/$rand_filename1;
                 echo $rand_content2 >/tmp/$rand_filename2"
 
-    run_podman cp 'cpcontainer:/tmp/*' $dstdir
+    # cp no longer supports wildcarding
-
+    run_podman 125 cp 'cpcontainer:/tmp/*' $dstdir
-    test -e $dstdir/$rand_filename1 || die "file 1 not copied from container"
-    test -e $dstdir/$rand_filename2 || die "file 2 not copied from container"
-
-    is "$(<$dstdir/$rand_filename1)" "$rand_content1" "content of file 1"
-    is "$(<$dstdir/$rand_filename2)" "$rand_content2" "content of file 2"
 
     run_podman rm cpcontainer
 }
@@ -150,13 +145,13 @@ load helpers
 
     # Copy file from host into container, into a file named 'x'
     # Note that the second has a trailing slash; this will trigger mkdir
-    run_podman cp $srcdir/$rand_filename1 cpcontainer:/tmp/d1/x
+    run_podman cp --pause=false $srcdir/$rand_filename1 cpcontainer:/tmp/d1/x
     is "$output" "" "output from podman cp 1"
 
-    run_podman cp $srcdir/$rand_filename2 cpcontainer:/tmp/d2/x/
+    run_podman cp --pause=false $srcdir/$rand_filename2 cpcontainer:/tmp/d2/x/
     is "$output" "" "output from podman cp 3"
 
-    run_podman cp $srcdir/$rand_filename3 cpcontainer:/tmp/d3/x
+    run_podman cp --pause=false $srcdir/$rand_filename3 cpcontainer:/tmp/d3/x
     is "$output" "" "output from podman cp 3"
 
     # Read back.
@@ -205,7 +200,7 @@ load helpers
                "mkdir -p $graphroot; trap 'exit 0' 15;while :;do sleep 0.5;done"
 
     # Copy from host into container.
-    run_podman cp $srcdir/$rand_filename cpcontainer:$graphroot/$rand_filename
+    run_podman cp --pause=false $srcdir/$rand_filename cpcontainer:$graphroot/$rand_filename
 
     # ls, and confirm it's there.
     run_podman exec cpcontainer ls -l $graphroot/$rand_filename