github.com/containers/libpod@v1.9.4-0.20220419124438-4284fd425507/pkg/apparmor/apparmor_linux_template.go (about)

     1  // +build linux,apparmor
     2  
     3  package apparmor
     4  
     5  const libpodProfileTemplate = `
     6  {{range $value := .Imports}}
     7  {{$value}}
     8  {{end}}
     9  
    10  profile {{.Name}} flags=(attach_disconnected,mediate_deleted) {
    11  {{range $value := .InnerImports}}
    12    {{$value}}
    13  {{end}}
    14  
    15    network,
    16    capability,
    17    file,
    18    umount,
    19  
    20  {{if ge .Version 208096}}
    21    # Allow signals from privileged profiles and from within the same profile
    22    signal (receive) peer=unconfined,
    23    signal (send,receive) peer={{.Name}},
    24  {{end}}
    25  
    26    deny @{PROC}/* w,   # deny write for all files directly in /proc (not in a subdir)
    27    # deny write to files not in /proc/<number>/** or /proc/sys/**
    28    deny @{PROC}/{[^1-9],[^1-9][^0-9],[^1-9s][^0-9y][^0-9s],[^1-9][^0-9][^0-9][^0-9]*}/** w,
    29    deny @{PROC}/sys/[^k]** w,  # deny /proc/sys except /proc/sys/k* (effectively /proc/sys/kernel)
    30    deny @{PROC}/sys/kernel/{?,??,[^s][^h][^m]**} w,  # deny everything except shm* in /proc/sys/kernel/
    31    deny @{PROC}/sysrq-trigger rwklx,
    32    deny @{PROC}/kcore rwklx,
    33  
    34    deny mount,
    35  
    36    deny /sys/[^f]*/** wklx,
    37    deny /sys/f[^s]*/** wklx,
    38    deny /sys/fs/[^c]*/** wklx,
    39    deny /sys/fs/c[^g]*/** wklx,
    40    deny /sys/fs/cg[^r]*/** wklx,
    41    deny /sys/firmware/** rwklx,
    42    deny /sys/kernel/security/** rwklx,
    43  
    44  {{if ge .Version 208095}}
    45    # suppress ptrace denials when using using 'ps' inside a container
    46    ptrace (trace,read) peer={{.Name}},
    47  {{end}}
    48  }
    49  `