Start using github.com/seccomp/containers-golang
User newer seccomp bindings from the seccomp upstream Signed-off-by: Daniel J Walsh <dwalsh@redhat.com> Closes: #1021 Approved by: giuseppe
This commit is contained in:
Daniel J Walsh
Atomic Bot
parent
c09bbe8e06
commit
810f2b6061
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@ -5,13 +5,13 @@ import (
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"github.com/docker/docker/daemon/caps"
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"github.com/docker/docker/pkg/mount"
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"github.com/docker/docker/profiles/seccomp"
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"github.com/docker/go-units"
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"github.com/opencontainers/runc/libcontainer/devices"
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spec "github.com/opencontainers/runtime-spec/specs-go"
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"github.com/opencontainers/runtime-tools/generate"
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"github.com/pkg/errors"
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"github.com/projectatomic/libpod/pkg/rootless"
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seccomp "github.com/seccomp/containers-golang"
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"github.com/sirupsen/logrus"
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"io/ioutil"
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)
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@ -55,6 +55,7 @@ github.com/pkg/errors v0.8.0
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github.com/pmezard/go-difflib 792786c7400a136282c1664665ae0a8db921c6c2
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github.com/pquerna/ffjson d49c2bc1aa135aad0c6f4fc2056623ec78f5d5ac
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github.com/seccomp/libseccomp-golang v0.9.0
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github.com/seccomp/containers-golang master
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github.com/sirupsen/logrus v1.0.0
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github.com/spf13/pflag 9ff6c6923cfffbcd502984b8e0c80539a94968b7
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github.com/stretchr/testify 4d4bfba8f1d1027c4fdbe371823030df51419987
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@ -0,0 +1,21 @@
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`containers-golang` is a set of Go libraries used by container runtimes to generate and load seccomp mappings into the kernel.
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seccomp (short for secure computing mode) is a computer security facility in the Linux kernel. It was merged into the Linux kernel mainline in kernel version 2.6.12, which was released on March 8, 2005.[1] seccomp allows a process to make a one-way transition into a "secure" state where it cannot make any system calls except exit(), sigreturn(), read() and write() to already-open file descriptors. Should it attempt any other system calls, the kernel will terminate the process with SIGKILL or SIGSYS[2][3]. In this sense, it does not virtualize the system's resources but isolates the process from them entirely.
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## Dependencies
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## Building
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### Supported build tags
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## Contributing
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When developing this library, please use `make` (or `make … BUILDTAGS=…`) to take advantage of the tests and validation.
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## License
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ASL 2.0
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## Contact
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- IRC: #[CRI-O](irc://irc.freenode.net:6667/#cri-o) on freenode.net
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656
vendor/github.com/seccomp/containers-golang/seccomp_default_linux.go
generated
vendored
Normal file
656
vendor/github.com/seccomp/containers-golang/seccomp_default_linux.go
generated
vendored
Normal file
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@ -0,0 +1,656 @@
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// +build seccomp
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package seccomp // import "github.com/seccomp/containers-golang"
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import (
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"golang.org/x/sys/unix"
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)
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func arches() []Architecture {
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return []Architecture{
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{
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Arch: ArchX86_64,
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SubArches: []Arch{ArchX86, ArchX32},
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},
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{
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Arch: ArchAARCH64,
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SubArches: []Arch{ArchARM},
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},
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{
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Arch: ArchMIPS64,
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SubArches: []Arch{ArchMIPS, ArchMIPS64N32},
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},
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{
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Arch: ArchMIPS64N32,
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SubArches: []Arch{ArchMIPS, ArchMIPS64},
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},
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{
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Arch: ArchMIPSEL64,
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SubArches: []Arch{ArchMIPSEL, ArchMIPSEL64N32},
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},
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{
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Arch: ArchMIPSEL64N32,
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SubArches: []Arch{ArchMIPSEL, ArchMIPSEL64},
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},
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{
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Arch: ArchS390X,
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SubArches: []Arch{ArchS390},
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},
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}
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}
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// DefaultProfile defines the whitelist for the default seccomp profile.
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func DefaultProfile() *Seccomp {
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syscalls := []*Syscall{
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{
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Names: []string{
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"accept",
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"accept4",
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"access",
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"adjtimex",
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"alarm",
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"bind",
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"brk",
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"capget",
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"capset",
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"chdir",
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"chmod",
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"chown",
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"chown32",
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"clock_getres",
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"clock_gettime",
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"clock_nanosleep",
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"close",
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"connect",
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"copy_file_range",
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"creat",
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"dup",
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"dup2",
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"dup3",
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"epoll_create",
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"epoll_create1",
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"epoll_ctl",
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"epoll_ctl_old",
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"epoll_pwait",
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"epoll_wait",
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"epoll_wait_old",
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"eventfd",
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"eventfd2",
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"execve",
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"execveat",
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"exit",
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"exit_group",
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"faccessat",
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"fadvise64",
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"fadvise64_64",
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"fallocate",
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"fanotify_mark",
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"fchdir",
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"fchmod",
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"fchmodat",
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"fchown",
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"fchown32",
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"fchownat",
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"fcntl",
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"fcntl64",
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"fdatasync",
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"fgetxattr",
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"flistxattr",
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"flock",
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"fork",
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"fremovexattr",
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"fsetxattr",
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"fstat",
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"fstat64",
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"fstatat64",
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"fstatfs",
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"fstatfs64",
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"fsync",
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"ftruncate",
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"ftruncate64",
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"futex",
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"futimesat",
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"getcpu",
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"getcwd",
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"getdents",
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"getdents64",
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"getegid",
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"getegid32",
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"geteuid",
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"geteuid32",
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"getgid",
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"getgid32",
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"getgroups",
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"getgroups32",
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"getitimer",
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"getpeername",
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"getpgid",
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"getpgrp",
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"getpid",
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"getppid",
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"getpriority",
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"getrandom",
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"getresgid",
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"getresgid32",
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"getresuid",
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"getresuid32",
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"getrlimit",
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"get_robust_list",
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"getrusage",
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"getsid",
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"getsockname",
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"getsockopt",
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"get_thread_area",
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"gettid",
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"gettimeofday",
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"getuid",
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"getuid32",
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"getxattr",
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"inotify_add_watch",
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"inotify_init",
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"inotify_init1",
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"inotify_rm_watch",
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"io_cancel",
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"ioctl",
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"io_destroy",
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"io_getevents",
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"ioprio_get",
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"ioprio_set",
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"io_setup",
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"io_submit",
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"ipc",
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"kill",
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"lchown",
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"lchown32",
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"lgetxattr",
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"link",
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"linkat",
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"listen",
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"listxattr",
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"llistxattr",
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"_llseek",
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"lremovexattr",
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"lseek",
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"lsetxattr",
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"lstat",
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"lstat64",
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"madvise",
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"memfd_create",
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"mincore",
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"mkdir",
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"mkdirat",
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"mknod",
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"mknodat",
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"mlock",
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"mlock2",
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"mlockall",
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"mmap",
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"mmap2",
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"mount",
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"mprotect",
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"mq_getsetattr",
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"mq_notify",
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"mq_open",
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"mq_timedreceive",
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"mq_timedsend",
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"mq_unlink",
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"mremap",
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"msgctl",
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"msgget",
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"msgrcv",
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"msgsnd",
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"msync",
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"munlock",
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"munlockall",
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"munmap",
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"name_to_handle_at",
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"nanosleep",
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"newfstatat",
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"_newselect",
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"open",
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"openat",
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"pause",
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"pipe",
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"pipe2",
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"poll",
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"ppoll",
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"prctl",
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"pread64",
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"preadv",
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"preadv2",
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"prlimit64",
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"pselect6",
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"pwrite64",
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"pwritev",
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"pwritev2",
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"read",
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"readahead",
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"readlink",
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"readlinkat",
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"readv",
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"reboot",
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"recv",
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"recvfrom",
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"recvmmsg",
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"recvmsg",
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"remap_file_pages",
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"removexattr",
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"rename",
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"renameat",
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"renameat2",
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"restart_syscall",
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"rmdir",
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"rt_sigaction",
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"rt_sigpending",
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"rt_sigprocmask",
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"rt_sigqueueinfo",
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"rt_sigreturn",
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"rt_sigsuspend",
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"rt_sigtimedwait",
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"rt_tgsigqueueinfo",
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"sched_getaffinity",
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"sched_getattr",
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"sched_getparam",
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"sched_get_priority_max",
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"sched_get_priority_min",
|
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"sched_getscheduler",
|
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"sched_rr_get_interval",
|
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"sched_setaffinity",
|
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"sched_setattr",
|
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"sched_setparam",
|
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"sched_setscheduler",
|
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"sched_yield",
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"seccomp",
|
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"select",
|
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"semctl",
|
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"semget",
|
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"semop",
|
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"semtimedop",
|
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"send",
|
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"sendfile",
|
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"sendfile64",
|
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"sendmmsg",
|
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"sendmsg",
|
||||
"sendto",
|
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"setfsgid",
|
||||
"setfsgid32",
|
||||
"setfsuid",
|
||||
"setfsuid32",
|
||||
"setgid",
|
||||
"setgid32",
|
||||
"setgroups",
|
||||
"setgroups32",
|
||||
"setitimer",
|
||||
"setpgid",
|
||||
"setpriority",
|
||||
"setregid",
|
||||
"setregid32",
|
||||
"setresgid",
|
||||
"setresgid32",
|
||||
"setresuid",
|
||||
"setresuid32",
|
||||
"setreuid",
|
||||
"setreuid32",
|
||||
"setrlimit",
|
||||
"set_robust_list",
|
||||
"setsid",
|
||||
"setsockopt",
|
||||
"set_thread_area",
|
||||
"set_tid_address",
|
||||
"setuid",
|
||||
"setuid32",
|
||||
"setxattr",
|
||||
"shmat",
|
||||
"shmctl",
|
||||
"shmdt",
|
||||
"shmget",
|
||||
"shutdown",
|
||||
"sigaltstack",
|
||||
"signalfd",
|
||||
"signalfd4",
|
||||
"sigreturn",
|
||||
"socket",
|
||||
"socketcall",
|
||||
"socketpair",
|
||||
"splice",
|
||||
"stat",
|
||||
"stat64",
|
||||
"statfs",
|
||||
"statfs64",
|
||||
"statx",
|
||||
"symlink",
|
||||
"symlinkat",
|
||||
"sync",
|
||||
"sync_file_range",
|
||||
"syncfs",
|
||||
"sysinfo",
|
||||
"syslog",
|
||||
"tee",
|
||||
"tgkill",
|
||||
"time",
|
||||
"timer_create",
|
||||
"timer_delete",
|
||||
"timerfd_create",
|
||||
"timerfd_gettime",
|
||||
"timerfd_settime",
|
||||
"timer_getoverrun",
|
||||
"timer_gettime",
|
||||
"timer_settime",
|
||||
"times",
|
||||
"tkill",
|
||||
"truncate",
|
||||
"truncate64",
|
||||
"ugetrlimit",
|
||||
"umask",
|
||||
"umount",
|
||||
"uname",
|
||||
"unlink",
|
||||
"unlinkat",
|
||||
"utime",
|
||||
"utimensat",
|
||||
"utimes",
|
||||
"vfork",
|
||||
"vmsplice",
|
||||
"wait4",
|
||||
"waitid",
|
||||
"waitpid",
|
||||
"write",
|
||||
"writev",
|
||||
},
|
||||
Action: ActAllow,
|
||||
Args: []*Arg{},
|
||||
},
|
||||
{
|
||||
Names: []string{"personality"},
|
||||
Action: ActAllow,
|
||||
Args: []*Arg{
|
||||
{
|
||||
Index: 0,
|
||||
Value: 0x0,
|
||||
Op: OpEqualTo,
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
Names: []string{"personality"},
|
||||
Action: ActAllow,
|
||||
Args: []*Arg{
|
||||
{
|
||||
Index: 0,
|
||||
Value: 0x0008,
|
||||
Op: OpEqualTo,
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
Names: []string{"personality"},
|
||||
Action: ActAllow,
|
||||
Args: []*Arg{
|
||||
{
|
||||
Index: 0,
|
||||
Value: 0x20000,
|
||||
Op: OpEqualTo,
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
Names: []string{"personality"},
|
||||
Action: ActAllow,
|
||||
Args: []*Arg{
|
||||
{
|
||||
Index: 0,
|
||||
Value: 0x20008,
|
||||
Op: OpEqualTo,
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
Names: []string{"personality"},
|
||||
Action: ActAllow,
|
||||
Args: []*Arg{
|
||||
{
|
||||
Index: 0,
|
||||
Value: 0xffffffff,
|
||||
Op: OpEqualTo,
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
Names: []string{
|
||||
"sync_file_range2",
|
||||
},
|
||||
Action: ActAllow,
|
||||
Args: []*Arg{},
|
||||
Includes: Filter{
|
||||
Arches: []string{"ppc64le"},
|
||||
},
|
||||
},
|
||||
{
|
||||
Names: []string{
|
||||
"arm_fadvise64_64",
|
||||
"arm_sync_file_range",
|
||||
"sync_file_range2",
|
||||
"breakpoint",
|
||||
"cacheflush",
|
||||
"set_tls",
|
||||
},
|
||||
Action: ActAllow,
|
||||
Args: []*Arg{},
|
||||
Includes: Filter{
|
||||
Arches: []string{"arm", "arm64"},
|
||||
},
|
||||
},
|
||||
{
|
||||
Names: []string{
|
||||
"arch_prctl",
|
||||
},
|
||||
Action: ActAllow,
|
||||
Args: []*Arg{},
|
||||
Includes: Filter{
|
||||
Arches: []string{"amd64", "x32"},
|
||||
},
|
||||
},
|
||||
{
|
||||
Names: []string{
|
||||
"modify_ldt",
|
||||
},
|
||||
Action: ActAllow,
|
||||
Args: []*Arg{},
|
||||
Includes: Filter{
|
||||
Arches: []string{"amd64", "x32", "x86"},
|
||||
},
|
||||
},
|
||||
{
|
||||
Names: []string{
|
||||
"s390_pci_mmio_read",
|
||||
"s390_pci_mmio_write",
|
||||
"s390_runtime_instr",
|
||||
},
|
||||
Action: ActAllow,
|
||||
Args: []*Arg{},
|
||||
Includes: Filter{
|
||||
Arches: []string{"s390", "s390x"},
|
||||
},
|
||||
},
|
||||
{
|
||||
Names: []string{
|
||||
"open_by_handle_at",
|
||||
},
|
||||
Action: ActAllow,
|
||||
Args: []*Arg{},
|
||||
Includes: Filter{
|
||||
Caps: []string{"CAP_DAC_READ_SEARCH"},
|
||||
},
|
||||
},
|
||||
{
|
||||
Names: []string{
|
||||
"bpf",
|
||||
"clone",
|
||||
"fanotify_init",
|
||||
"lookup_dcookie",
|
||||
"mount",
|
||||
"name_to_handle_at",
|
||||
"perf_event_open",
|
||||
"quotactl",
|
||||
"setdomainname",
|
||||
"sethostname",
|
||||
"setns",
|
||||
"umount",
|
||||
"umount2",
|
||||
"unshare",
|
||||
},
|
||||
Action: ActAllow,
|
||||
Args: []*Arg{},
|
||||
Includes: Filter{
|
||||
Caps: []string{"CAP_SYS_ADMIN"},
|
||||
},
|
||||
},
|
||||
{
|
||||
Names: []string{
|
||||
"clone",
|
||||
},
|
||||
Action: ActAllow,
|
||||
Args: []*Arg{
|
||||
{
|
||||
Index: 0,
|
||||
Value: unix.CLONE_NEWNS | unix.CLONE_NEWUTS | unix.CLONE_NEWIPC | unix.CLONE_NEWUSER | unix.CLONE_NEWPID | unix.CLONE_NEWNET,
|
||||
ValueTwo: 0,
|
||||
Op: OpMaskedEqual,
|
||||
},
|
||||
},
|
||||
Excludes: Filter{
|
||||
Caps: []string{"CAP_SYS_ADMIN"},
|
||||
Arches: []string{"s390", "s390x"},
|
||||
},
|
||||
},
|
||||
{
|
||||
Names: []string{
|
||||
"clone",
|
||||
},
|
||||
Action: ActAllow,
|
||||
Args: []*Arg{
|
||||
{
|
||||
Index: 1,
|
||||
Value: unix.CLONE_NEWNS | unix.CLONE_NEWUTS | unix.CLONE_NEWIPC | unix.CLONE_NEWUSER | unix.CLONE_NEWPID | unix.CLONE_NEWNET,
|
||||
ValueTwo: 0,
|
||||
Op: OpMaskedEqual,
|
||||
},
|
||||
},
|
||||
Comment: "s390 parameter ordering for clone is different",
|
||||
Includes: Filter{
|
||||
Arches: []string{"s390", "s390x"},
|
||||
},
|
||||
Excludes: Filter{
|
||||
Caps: []string{"CAP_SYS_ADMIN"},
|
||||
},
|
||||
},
|
||||
{
|
||||
Names: []string{
|
||||
"reboot",
|
||||
},
|
||||
Action: ActAllow,
|
||||
Args: []*Arg{},
|
||||
Includes: Filter{
|
||||
Caps: []string{"CAP_SYS_BOOT"},
|
||||
},
|
||||
},
|
||||
{
|
||||
Names: []string{
|
||||
"chroot",
|
||||
},
|
||||
Action: ActAllow,
|
||||
Args: []*Arg{},
|
||||
Includes: Filter{
|
||||
Caps: []string{"CAP_SYS_CHROOT"},
|
||||
},
|
||||
},
|
||||
{
|
||||
Names: []string{
|
||||
"delete_module",
|
||||
"init_module",
|
||||
"finit_module",
|
||||
"query_module",
|
||||
},
|
||||
Action: ActAllow,
|
||||
Args: []*Arg{},
|
||||
Includes: Filter{
|
||||
Caps: []string{"CAP_SYS_MODULE"},
|
||||
},
|
||||
},
|
||||
{
|
||||
Names: []string{
|
||||
"get_mempolicy",
|
||||
"mbind",
|
||||
"name_to_handle_at",
|
||||
"set_mempolicy",
|
||||
},
|
||||
Action: ActAllow,
|
||||
Args: []*Arg{},
|
||||
Includes: Filter{
|
||||
Caps: []string{"CAP_SYS_NICE"},
|
||||
},
|
||||
},
|
||||
{
|
||||
Names: []string{
|
||||
"acct",
|
||||
},
|
||||
Action: ActAllow,
|
||||
Args: []*Arg{},
|
||||
Includes: Filter{
|
||||
Caps: []string{"CAP_SYS_PACCT"},
|
||||
},
|
||||
},
|
||||
{
|
||||
Names: []string{
|
||||
"kcmp",
|
||||
"process_vm_readv",
|
||||
"process_vm_writev",
|
||||
"ptrace",
|
||||
},
|
||||
Action: ActAllow,
|
||||
Args: []*Arg{},
|
||||
Includes: Filter{
|
||||
Caps: []string{"CAP_SYS_PTRACE"},
|
||||
},
|
||||
},
|
||||
{
|
||||
Names: []string{
|
||||
"iopl",
|
||||
"ioperm",
|
||||
},
|
||||
Action: ActAllow,
|
||||
Args: []*Arg{},
|
||||
Includes: Filter{
|
||||
Caps: []string{"CAP_SYS_RAWIO"},
|
||||
},
|
||||
},
|
||||
{
|
||||
Names: []string{
|
||||
"settimeofday",
|
||||
"stime",
|
||||
"clock_settime",
|
||||
},
|
||||
Action: ActAllow,
|
||||
Args: []*Arg{},
|
||||
Includes: Filter{
|
||||
Caps: []string{"CAP_SYS_TIME"},
|
||||
},
|
||||
},
|
||||
{
|
||||
Names: []string{
|
||||
"vhangup",
|
||||
},
|
||||
Action: ActAllow,
|
||||
Args: []*Arg{},
|
||||
Includes: Filter{
|
||||
Caps: []string{"CAP_SYS_TTY_CONFIG"},
|
||||
},
|
||||
},
|
||||
}
|
||||
|
||||
return &Seccomp{
|
||||
DefaultAction: ActErrno,
|
||||
ArchMap: arches(),
|
||||
Syscalls: syscalls,
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,159 @@
|
|||
// +build seccomp
|
||||
|
||||
package seccomp // import "github.com/seccomp/containers-golang"
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"errors"
|
||||
"fmt"
|
||||
|
||||
"github.com/opencontainers/runtime-spec/specs-go"
|
||||
libseccomp "github.com/seccomp/libseccomp-golang"
|
||||
)
|
||||
|
||||
//go:generate go run -tags 'seccomp' generate.go
|
||||
|
||||
// GetDefaultProfile returns the default seccomp profile.
|
||||
func GetDefaultProfile(rs *specs.Spec) (*specs.LinuxSeccomp, error) {
|
||||
return setupSeccomp(DefaultProfile(), rs)
|
||||
}
|
||||
|
||||
// LoadProfile takes a json string and decodes the seccomp profile.
|
||||
func LoadProfile(body string, rs *specs.Spec) (*specs.LinuxSeccomp, error) {
|
||||
var config Seccomp
|
||||
if err := json.Unmarshal([]byte(body), &config); err != nil {
|
||||
return nil, fmt.Errorf("Decoding seccomp profile failed: %v", err)
|
||||
}
|
||||
return setupSeccomp(&config, rs)
|
||||
}
|
||||
|
||||
var nativeToSeccomp = map[string]Arch{
|
||||
"amd64": ArchX86_64,
|
||||
"arm64": ArchAARCH64,
|
||||
"mips64": ArchMIPS64,
|
||||
"mips64n32": ArchMIPS64N32,
|
||||
"mipsel64": ArchMIPSEL64,
|
||||
"mipsel64n32": ArchMIPSEL64N32,
|
||||
"s390x": ArchS390X,
|
||||
}
|
||||
|
||||
// inSlice tests whether a string is contained in a slice of strings or not.
|
||||
// Comparison is case sensitive
|
||||
func inSlice(slice []string, s string) bool {
|
||||
for _, ss := range slice {
|
||||
if s == ss {
|
||||
return true
|
||||
}
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
func setupSeccomp(config *Seccomp, rs *specs.Spec) (*specs.LinuxSeccomp, error) {
|
||||
if config == nil {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
// No default action specified, no syscalls listed, assume seccomp disabled
|
||||
if config.DefaultAction == "" && len(config.Syscalls) == 0 {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
newConfig := &specs.LinuxSeccomp{}
|
||||
|
||||
var arch string
|
||||
var native, err = libseccomp.GetNativeArch()
|
||||
if err == nil {
|
||||
arch = native.String()
|
||||
}
|
||||
|
||||
if len(config.Architectures) != 0 && len(config.ArchMap) != 0 {
|
||||
return nil, errors.New("'architectures' and 'archMap' were specified in the seccomp profile, use either 'architectures' or 'archMap'")
|
||||
}
|
||||
|
||||
// if config.Architectures == 0 then libseccomp will figure out the architecture to use
|
||||
if len(config.Architectures) != 0 {
|
||||
for _, a := range config.Architectures {
|
||||
newConfig.Architectures = append(newConfig.Architectures, specs.Arch(a))
|
||||
}
|
||||
}
|
||||
|
||||
if len(config.ArchMap) != 0 {
|
||||
for _, a := range config.ArchMap {
|
||||
seccompArch, ok := nativeToSeccomp[arch]
|
||||
if ok {
|
||||
if a.Arch == seccompArch {
|
||||
newConfig.Architectures = append(newConfig.Architectures, specs.Arch(a.Arch))
|
||||
for _, sa := range a.SubArches {
|
||||
newConfig.Architectures = append(newConfig.Architectures, specs.Arch(sa))
|
||||
}
|
||||
break
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
newConfig.DefaultAction = specs.LinuxSeccompAction(config.DefaultAction)
|
||||
|
||||
Loop:
|
||||
// Loop through all syscall blocks and convert them to libcontainer format after filtering them
|
||||
for _, call := range config.Syscalls {
|
||||
if len(call.Excludes.Arches) > 0 {
|
||||
if inSlice(call.Excludes.Arches, arch) {
|
||||
continue Loop
|
||||
}
|
||||
}
|
||||
if len(call.Excludes.Caps) > 0 {
|
||||
for _, c := range call.Excludes.Caps {
|
||||
if inSlice(rs.Process.Capabilities.Bounding, c) {
|
||||
continue Loop
|
||||
}
|
||||
}
|
||||
}
|
||||
if len(call.Includes.Arches) > 0 {
|
||||
if !inSlice(call.Includes.Arches, arch) {
|
||||
continue Loop
|
||||
}
|
||||
}
|
||||
if len(call.Includes.Caps) > 0 {
|
||||
for _, c := range call.Includes.Caps {
|
||||
if !inSlice(rs.Process.Capabilities.Bounding, c) {
|
||||
continue Loop
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if call.Name != "" && len(call.Names) != 0 {
|
||||
return nil, errors.New("'name' and 'names' were specified in the seccomp profile, use either 'name' or 'names'")
|
||||
}
|
||||
|
||||
if call.Name != "" {
|
||||
newConfig.Syscalls = append(newConfig.Syscalls, createSpecsSyscall(call.Name, call.Action, call.Args))
|
||||
}
|
||||
|
||||
for _, n := range call.Names {
|
||||
newConfig.Syscalls = append(newConfig.Syscalls, createSpecsSyscall(n, call.Action, call.Args))
|
||||
}
|
||||
}
|
||||
|
||||
return newConfig, nil
|
||||
}
|
||||
|
||||
func createSpecsSyscall(name string, action Action, args []*Arg) specs.LinuxSyscall {
|
||||
newCall := specs.LinuxSyscall{
|
||||
Names: []string{name},
|
||||
Action: specs.LinuxSeccompAction(action),
|
||||
}
|
||||
|
||||
// Loop through all the arguments of the syscall and convert them
|
||||
for _, arg := range args {
|
||||
newArg := specs.LinuxSeccompArg{
|
||||
Index: arg.Index,
|
||||
Value: arg.Value,
|
||||
ValueTwo: arg.ValueTwo,
|
||||
Op: specs.LinuxSeccompOperator(arg.Op),
|
||||
}
|
||||
|
||||
newCall.Args = append(newCall.Args, newArg)
|
||||
}
|
||||
return newCall
|
||||
}
|
||||
24
vendor/github.com/seccomp/containers-golang/seccomp_unsupported.go
generated
vendored
Normal file
24
vendor/github.com/seccomp/containers-golang/seccomp_unsupported.go
generated
vendored
Normal file
|
|
@ -0,0 +1,24 @@
|
|||
// +build !seccomp
|
||||
|
||||
package seccomp // import "github.com/seccomp/containers-golang"
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
|
||||
"github.com/opencontainers/runtime-spec/specs-go"
|
||||
)
|
||||
|
||||
// DefaultProfile returns a nil pointer on unsupported systems.
|
||||
func DefaultProfile() *Seccomp {
|
||||
return nil
|
||||
}
|
||||
|
||||
// LoadProfile returns an error on unsuppored systems
|
||||
func LoadProfile(body string, rs *specs.Spec) (*specs.LinuxSeccomp, error) {
|
||||
return nil, fmt.Errorf("Seccomp not supported on this platform")
|
||||
}
|
||||
|
||||
// GetDefaultProfile returns an error on unsuppored systems
|
||||
func GetDefaultProfile(rs *specs.Spec) (*specs.LinuxSeccomp, error) {
|
||||
return nil, fmt.Errorf("Seccomp not supported on this platform")
|
||||
}
|
||||
|
|
@ -0,0 +1,93 @@
|
|||
package seccomp // import "github.com/seccomp/containers-golang"
|
||||
|
||||
// Seccomp represents the config for a seccomp profile for syscall restriction.
|
||||
type Seccomp struct {
|
||||
DefaultAction Action `json:"defaultAction"`
|
||||
// Architectures is kept to maintain backward compatibility with the old
|
||||
// seccomp profile.
|
||||
Architectures []Arch `json:"architectures,omitempty"`
|
||||
ArchMap []Architecture `json:"archMap,omitempty"`
|
||||
Syscalls []*Syscall `json:"syscalls"`
|
||||
}
|
||||
|
||||
// Architecture is used to represent a specific architecture
|
||||
// and its sub-architectures
|
||||
type Architecture struct {
|
||||
Arch Arch `json:"architecture"`
|
||||
SubArches []Arch `json:"subArchitectures"`
|
||||
}
|
||||
|
||||
// Arch used for architectures
|
||||
type Arch string
|
||||
|
||||
// Additional architectures permitted to be used for system calls
|
||||
// By default only the native architecture of the kernel is permitted
|
||||
const (
|
||||
ArchX86 Arch = "SCMP_ARCH_X86"
|
||||
ArchX86_64 Arch = "SCMP_ARCH_X86_64"
|
||||
ArchX32 Arch = "SCMP_ARCH_X32"
|
||||
ArchARM Arch = "SCMP_ARCH_ARM"
|
||||
ArchAARCH64 Arch = "SCMP_ARCH_AARCH64"
|
||||
ArchMIPS Arch = "SCMP_ARCH_MIPS"
|
||||
ArchMIPS64 Arch = "SCMP_ARCH_MIPS64"
|
||||
ArchMIPS64N32 Arch = "SCMP_ARCH_MIPS64N32"
|
||||
ArchMIPSEL Arch = "SCMP_ARCH_MIPSEL"
|
||||
ArchMIPSEL64 Arch = "SCMP_ARCH_MIPSEL64"
|
||||
ArchMIPSEL64N32 Arch = "SCMP_ARCH_MIPSEL64N32"
|
||||
ArchPPC Arch = "SCMP_ARCH_PPC"
|
||||
ArchPPC64 Arch = "SCMP_ARCH_PPC64"
|
||||
ArchPPC64LE Arch = "SCMP_ARCH_PPC64LE"
|
||||
ArchS390 Arch = "SCMP_ARCH_S390"
|
||||
ArchS390X Arch = "SCMP_ARCH_S390X"
|
||||
)
|
||||
|
||||
// Action taken upon Seccomp rule match
|
||||
type Action string
|
||||
|
||||
// Define actions for Seccomp rules
|
||||
const (
|
||||
ActKill Action = "SCMP_ACT_KILL"
|
||||
ActTrap Action = "SCMP_ACT_TRAP"
|
||||
ActErrno Action = "SCMP_ACT_ERRNO"
|
||||
ActTrace Action = "SCMP_ACT_TRACE"
|
||||
ActAllow Action = "SCMP_ACT_ALLOW"
|
||||
)
|
||||
|
||||
// Operator used to match syscall arguments in Seccomp
|
||||
type Operator string
|
||||
|
||||
// Define operators for syscall arguments in Seccomp
|
||||
const (
|
||||
OpNotEqual Operator = "SCMP_CMP_NE"
|
||||
OpLessThan Operator = "SCMP_CMP_LT"
|
||||
OpLessEqual Operator = "SCMP_CMP_LE"
|
||||
OpEqualTo Operator = "SCMP_CMP_EQ"
|
||||
OpGreaterEqual Operator = "SCMP_CMP_GE"
|
||||
OpGreaterThan Operator = "SCMP_CMP_GT"
|
||||
OpMaskedEqual Operator = "SCMP_CMP_MASKED_EQ"
|
||||
)
|
||||
|
||||
// Arg used for matching specific syscall arguments in Seccomp
|
||||
type Arg struct {
|
||||
Index uint `json:"index"`
|
||||
Value uint64 `json:"value"`
|
||||
ValueTwo uint64 `json:"valueTwo"`
|
||||
Op Operator `json:"op"`
|
||||
}
|
||||
|
||||
// Filter is used to conditionally apply Seccomp rules
|
||||
type Filter struct {
|
||||
Caps []string `json:"caps,omitempty"`
|
||||
Arches []string `json:"arches,omitempty"`
|
||||
}
|
||||
|
||||
// Syscall is used to match a group of syscalls in Seccomp
|
||||
type Syscall struct {
|
||||
Name string `json:"name,omitempty"`
|
||||
Names []string `json:"names,omitempty"`
|
||||
Action Action `json:"action"`
|
||||
Args []*Arg `json:"args"`
|
||||
Comment string `json:"comment"`
|
||||
Includes Filter `json:"includes"`
|
||||
Excludes Filter `json:"excludes"`
|
||||
}
|
||||
|
|
@ -0,0 +1,9 @@
|
|||
github.com/opencontainers/runtime-tools master
|
||||
github.com/blang/semver master
|
||||
github.com/hashicorp/go-multierror master
|
||||
github.com/hashicorp/errwrap master
|
||||
github.com/syndtr/gocapability master
|
||||
github.com/xeipuuv/gojsonschema master
|
||||
github.com/xeipuuv/gojsonreference master
|
||||
github.com/xeipuuv/gojsonpointer master
|
||||
|
||||
Loading…
Reference in New Issue