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authorGiuseppe Scrivano <gscrivan@redhat.com>2019-07-18 11:38:54 +0200
committerGiuseppe Scrivano <gscrivan@redhat.com>2019-07-18 17:07:50 +0200
commit350ede1eeb6ab33bce2918d7768b940c255e63c6 (patch)
treeba65d688c51ce2374e349bf874751404e13e0309 /pkg
parent7488ed6d9a619d86333dc1880d4df034fbb371b9 (diff)
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rootless: add rw devices with --privileged
when --privileged is specified, add all the devices that are usable by the user. Closes: https://bugzilla.redhat.com/show_bug.cgi?id=1730773 Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
Diffstat (limited to 'pkg')
-rw-r--r--pkg/spec/config_linux.go41
-rw-r--r--pkg/spec/spec.go6
2 files changed, 41 insertions, 6 deletions
diff --git a/pkg/spec/config_linux.go b/pkg/spec/config_linux.go
index 9f6a4a058..a84e9a72f 100644
--- a/pkg/spec/config_linux.go
+++ b/pkg/spec/config_linux.go
@@ -8,6 +8,7 @@ import (
"path/filepath"
"strings"
+ "github.com/containers/libpod/pkg/rootless"
"github.com/opencontainers/runc/libcontainer/configs"
"github.com/opencontainers/runc/libcontainer/devices"
spec "github.com/opencontainers/runtime-spec/specs-go"
@@ -118,8 +119,44 @@ func (c *CreateConfig) addPrivilegedDevices(g *generate.Generator) error {
return err
}
g.ClearLinuxDevices()
- for _, d := range hostDevices {
- g.AddDevice(Device(d))
+
+ if rootless.IsRootless() {
+ mounts := make(map[string]interface{})
+ for _, m := range g.Mounts() {
+ mounts[m.Destination] = true
+ }
+ newMounts := []spec.Mount{}
+ for _, d := range hostDevices {
+ devMnt := spec.Mount{
+ Destination: d.Path,
+ Type: TypeBind,
+ Source: d.Path,
+ Options: []string{"slave", "nosuid", "noexec", "rw", "rbind"},
+ }
+ if d.Path == "/dev/ptmx" || strings.HasPrefix(d.Path, "/dev/tty") {
+ continue
+ }
+ if _, found := mounts[d.Path]; found {
+ continue
+ }
+ st, err := os.Stat(d.Path)
+ if err != nil {
+ if err == unix.EPERM {
+ continue
+ }
+ return errors.Wrapf(err, "stat %s", d.Path)
+ }
+ // Skip devices that the user has not access to.
+ if st.Mode()&0007 == 0 {
+ continue
+ }
+ newMounts = append(newMounts, devMnt)
+ }
+ g.Config.Mounts = append(newMounts, g.Config.Mounts...)
+ } else {
+ for _, d := range hostDevices {
+ g.AddDevice(Device(d))
+ }
}
// Add resources device - need to clear the existing one first.
diff --git a/pkg/spec/spec.go b/pkg/spec/spec.go
index 41054633f..0f785df01 100644
--- a/pkg/spec/spec.go
+++ b/pkg/spec/spec.go
@@ -264,10 +264,8 @@ func (config *CreateConfig) createConfigToOCISpec(runtime *libpod.Runtime, userM
// If privileged, we need to add all the host devices to the
// spec. We do not add the user provided ones because we are
// already adding them all.
- if !rootless.IsRootless() {
- if err := config.AddPrivilegedDevices(&g); err != nil {
- return nil, err
- }
+ if err := config.AddPrivilegedDevices(&g); err != nil {
+ return nil, err
}
} else {
for _, devicePath := range config.Devices {