github.com/LazyboyChen7/engine@v17.12.1-ce-rc2+incompatible/daemon/exec_linux.go (about)

     1  package daemon
     2  
     3  import (
     4  	"github.com/docker/docker/container"
     5  	"github.com/docker/docker/daemon/caps"
     6  	"github.com/docker/docker/daemon/exec"
     7  	"github.com/opencontainers/runc/libcontainer/apparmor"
     8  	"github.com/opencontainers/runtime-spec/specs-go"
     9  )
    10  
    11  func (daemon *Daemon) execSetPlatformOpt(c *container.Container, ec *exec.Config, p *specs.Process) error {
    12  	if len(ec.User) > 0 {
    13  		uid, gid, additionalGids, err := getUser(c, ec.User)
    14  		if err != nil {
    15  			return err
    16  		}
    17  		p.User = specs.User{
    18  			UID:            uid,
    19  			GID:            gid,
    20  			AdditionalGids: additionalGids,
    21  		}
    22  	}
    23  	if ec.Privileged {
    24  		if p.Capabilities == nil {
    25  			p.Capabilities = &specs.LinuxCapabilities{}
    26  		}
    27  		p.Capabilities.Bounding = caps.GetAllCapabilities()
    28  		p.Capabilities.Permitted = p.Capabilities.Bounding
    29  		p.Capabilities.Inheritable = p.Capabilities.Bounding
    30  		p.Capabilities.Effective = p.Capabilities.Bounding
    31  	}
    32  	if apparmor.IsEnabled() {
    33  		var appArmorProfile string
    34  		if c.AppArmorProfile != "" {
    35  			appArmorProfile = c.AppArmorProfile
    36  		} else if c.HostConfig.Privileged {
    37  			appArmorProfile = "unconfined"
    38  		} else {
    39  			appArmorProfile = "docker-default"
    40  		}
    41  
    42  		if appArmorProfile == "docker-default" {
    43  			// Unattended upgrades and other fun services can unload AppArmor
    44  			// profiles inadvertently. Since we cannot store our profile in
    45  			// /etc/apparmor.d, nor can we practically add other ways of
    46  			// telling the system to keep our profile loaded, in order to make
    47  			// sure that we keep the default profile enabled we dynamically
    48  			// reload it if necessary.
    49  			if err := ensureDefaultAppArmorProfile(); err != nil {
    50  				return err
    51  			}
    52  		}
    53  	}
    54  	daemon.setRlimits(&specs.Spec{Process: p}, c)
    55  	return nil
    56  }