85 lines
2 KiB
Go
85 lines
2 KiB
Go
package transform
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import (
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"fmt"
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"github.com/drone/drone/yaml"
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)
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func Check(c *yaml.Config, trusted bool) error {
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var images []*yaml.Container
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images = append(images, c.Pipeline...)
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images = append(images, c.Services...)
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for _, image := range c.Pipeline {
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if err := CheckEntrypoint(image); err != nil {
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return err
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}
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if trusted {
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continue
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}
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if err := CheckTrusted(image); err != nil {
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return err
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}
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}
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for _, image := range c.Services {
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if trusted {
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continue
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}
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if err := CheckTrusted(image); err != nil {
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return err
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}
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}
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return nil
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}
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// validate the plugin command and entrypoint and return an error
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// the user attempts to set or override these values.
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func CheckEntrypoint(c *yaml.Container) error {
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if c.Detached {
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return nil
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}
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if len(c.Entrypoint) != 0 {
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return fmt.Errorf("Cannot set plugin Entrypoint")
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}
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if len(c.Command) != 0 {
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return fmt.Errorf("Cannot set plugin Command")
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}
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return nil
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}
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// validate the container configuration and return an error if restricted
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// configurations are used.
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func CheckTrusted(c *yaml.Container) error {
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if c.Privileged {
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return fmt.Errorf("Insufficient privileges to use privileged mode")
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}
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if c.ShmSize != 0 {
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return fmt.Errorf("Insufficient privileges to override shm_size")
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}
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if len(c.DNS) != 0 {
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return fmt.Errorf("Insufficient privileges to use custom dns")
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}
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if len(c.DNSSearch) != 0 {
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return fmt.Errorf("Insufficient privileges to use dns_search")
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}
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if len(c.Devices) != 0 {
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return fmt.Errorf("Insufficient privileges to use devices")
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}
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if len(c.ExtraHosts) != 0 {
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return fmt.Errorf("Insufficient privileges to use extra_hosts")
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}
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if len(c.Network) != 0 {
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return fmt.Errorf("Insufficient privileges to override the network")
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}
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if c.OomKillDisable {
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return fmt.Errorf("Insufficient privileges to disable oom_kill")
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}
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if len(c.Volumes) != 0 {
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return fmt.Errorf("Insufficient privileges to use volumes")
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}
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if len(c.VolumesFrom) != 0 {
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return fmt.Errorf("Insufficient privileges to use volumes_from")
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}
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return nil
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}
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