diff options
Diffstat (limited to 'vendor/github.com/seccomp')
12 files changed, 387 insertions, 65 deletions
diff --git a/vendor/github.com/seccomp/containers-golang/.gitignore b/vendor/github.com/seccomp/containers-golang/.gitignore index 2cad96a16..e433eef88 100644 --- a/vendor/github.com/seccomp/containers-golang/.gitignore +++ b/vendor/github.com/seccomp/containers-golang/.gitignore @@ -1,2 +1,2 @@ -default.json -fixtures +*.orig +generate diff --git a/vendor/github.com/seccomp/containers-golang/LICENSE b/vendor/github.com/seccomp/containers-golang/LICENSE new file mode 100644 index 000000000..bd465fcf0 --- /dev/null +++ b/vendor/github.com/seccomp/containers-golang/LICENSE @@ -0,0 +1,190 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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In no event and under no legal theory, + whether in tort (including negligence), contract, or otherwise, + unless required by applicable law (such as deliberate and grossly + negligent acts) or agreed to in writing, shall any Contributor be + liable to You for damages, including any direct, indirect, special, + incidental, or consequential damages of any character arising as a + result of this License or out of the use or inability to use the + Work (including but not limited to damages for loss of goodwill, + work stoppage, computer failure or malfunction, or any and all + other commercial damages or losses), even if such Contributor + has been advised of the possibility of such damages. + + 9. Accepting Warranty or Additional Liability. While redistributing + the Work or Derivative Works thereof, You may choose to offer, + and charge a fee for, acceptance of support, warranty, indemnity, + or other liability obligations and/or rights consistent with this + License. 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the License. diff --git a/vendor/github.com/seccomp/containers-golang/Makefile b/vendor/github.com/seccomp/containers-golang/Makefile index 88569e87b..2d91917f9 100644 --- a/vendor/github.com/seccomp/containers-golang/Makefile +++ b/vendor/github.com/seccomp/containers-golang/Makefile @@ -1,3 +1,5 @@ +export GO111MODULE=off + TAGS ?= seccomp BUILDFLAGS := -tags "$(AUTOTAGS) $(TAGS)" GO := go @@ -5,14 +7,26 @@ PACKAGE := github.com/seccomp/containers-golang sources := $(wildcard *.go) -default.json: $(sources) +.PHONY: seccomp.json +seccomp.json: $(sources) $(GO) build -compiler gc $(BUILDFLAGS) ./cmd/generate.go $(GO) build -compiler gc ./cmd/generate.go $(GO) run ${BUILDFLAGS} cmd/generate.go -all: default.json +all: seccomp.json .PHONY: test-unit test-unit: - $(GO) test $(BUILDFLAGS) $(shell $(GO) list ./... | grep -v ^$(PACKAGE)/vendor) - $(GO) test $(shell $(GO) list ./... | grep -v ^$(PACKAGE)/vendor) + $(GO) test -v $(BUILDFLAGS) $(shell $(GO) list ./... | grep -v ^$(PACKAGE)/vendor) + $(GO) test -v $(shell $(GO) list ./... | grep -v ^$(PACKAGE)/vendor) + +.PHONY: vendor +vendor: + export GO111MODULE=on \ + $(GO) mod tidy && \ + $(GO) mod vendor && \ + $(GO) mod verify + +.PHONY: clean +clean: + rm -f generate diff --git a/vendor/github.com/seccomp/containers-golang/README.md b/vendor/github.com/seccomp/containers-golang/README.md index 1012baec3..a44238432 100644 --- a/vendor/github.com/seccomp/containers-golang/README.md +++ b/vendor/github.com/seccomp/containers-golang/README.md @@ -1,9 +1,13 @@ +# containers-golang + +[](https://circleci.com/gh/seccomp/containers-golang) + `containers-golang` is a set of Go libraries used by container runtimes to generate and load seccomp mappings into the kernel. seccomp (short for secure computing mode) is a BPF based syscall filter language and present a more conventional function-call based filtering interface that should be familiar to, and easily adopted by, application developers. ## Building - make - Generates default.json file, which containes the whitelisted syscalls that can be used by container runtime engines like [CRI-O][cri-o], [Buildah][buildah], [Podman][podman] and [Docker][docker], and container runtimes like OCI [Runc][runc] to controll the syscalls available to containers. + make - Generates seccomp.json file, which contains the whitelisted syscalls that can be used by container runtime engines like [CRI-O][cri-o], [Buildah][buildah], [Podman][podman] and [Docker][docker], and container runtimes like OCI [Runc][runc] to controll the syscalls available to containers. ### Supported build tags @@ -13,13 +17,9 @@ seccomp (short for secure computing mode) is a BPF based syscall filter language When developing this library, please use `make` (or `make … BUILDTAGS=…`) to take advantage of the tests and validation. -## License - -ASL 2.0 - ## Contact -- IRC: #[CRI-O](irc://irc.freenode.net:6667/#cri-o) on freenode.net +- IRC: #[containers](irc://irc.freenode.net:6667/#containers) on freenode.net [cri-o]: https://github.com/kubernetes-incubator/cri-o/pulls [buildah]: https://github.com/projectatomic/buildah diff --git a/vendor/github.com/seccomp/containers-golang/go.mod b/vendor/github.com/seccomp/containers-golang/go.mod new file mode 100644 index 000000000..2b56d46fd --- /dev/null +++ b/vendor/github.com/seccomp/containers-golang/go.mod @@ -0,0 +1,16 @@ +module github.com/seccomp/containers-golang + +go 1.13 + +require ( + github.com/blang/semver v3.5.1+incompatible // indirect + github.com/hashicorp/go-multierror v1.0.0 // indirect + github.com/opencontainers/runtime-spec v1.0.3-0.20200520003142-237cc4f519e2 + github.com/opencontainers/runtime-tools v0.9.0 + github.com/opencontainers/selinux v1.3.0 // indirect + github.com/seccomp/libseccomp-golang v0.9.1 + github.com/sirupsen/logrus v1.4.2 // indirect + github.com/syndtr/gocapability v0.0.0-20180916011248-d98352740cb2 // indirect + github.com/xeipuuv/gojsonschema v1.2.0 // indirect + golang.org/x/sys v0.0.0-20190921190940-14da1ac737cc +) diff --git a/vendor/github.com/seccomp/containers-golang/go.sum b/vendor/github.com/seccomp/containers-golang/go.sum new file mode 100644 index 000000000..ba00acd09 --- /dev/null +++ b/vendor/github.com/seccomp/containers-golang/go.sum @@ -0,0 +1,48 @@ +github.com/blang/semver v3.5.1+incompatible h1:cQNTCjp13qL8KC3Nbxr/y2Bqb63oX6wdnnjpJbkM4JQ= +github.com/blang/semver v3.5.1+incompatible/go.mod h1:kRBLl5iJ+tD4TcOOxsy/0fnwebNt5EWlYSAyrTnjyyk= +github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/hashicorp/errwrap v1.0.0 h1:hLrqtEDnRye3+sgx6z4qVLNuviH3MR5aQ0ykNJa/UYA= +github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4= +github.com/hashicorp/go-multierror v1.0.0 h1:iVjPR7a6H0tWELX5NxNe7bYopibicUzc7uPribsnS6o= +github.com/hashicorp/go-multierror v1.0.0/go.mod h1:dHtQlpGsu+cZNNAkkCN/P3hoUDHhCYQXV3UM06sGGrk= +github.com/konsorten/go-windows-terminal-sequences v1.0.1 h1:mweAR1A6xJ3oS2pRaGiHgQ4OO8tzTaLawm8vnODuwDk= +github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ= +github.com/opencontainers/runtime-spec v0.1.2-0.20190618234442-a950415649c7 h1:Dliu5QO+4JYWu/yMshaMU7G3JN2POGpwjJN7gjy10Go= +github.com/opencontainers/runtime-spec v0.1.2-0.20190618234442-a950415649c7/go.mod h1:jwyrGlmzljRJv/Fgzds9SsS/C5hL+LL3ko9hs6T5lQ0= +github.com/opencontainers/runtime-spec v1.0.1 h1:wY4pOY8fBdSIvs9+IDHC55thBuEulhzfSgKeC1yFvzQ= +github.com/opencontainers/runtime-spec v1.0.1/go.mod h1:jwyrGlmzljRJv/Fgzds9SsS/C5hL+LL3ko9hs6T5lQ0= +github.com/opencontainers/runtime-spec v1.0.2-0.20191007145322-19e92ca81777 h1:7CkKaORyxoXsM8z56r+M0wf3uCpVGVqx4CWq7oJ/4DY= +github.com/opencontainers/runtime-spec v1.0.2-0.20191007145322-19e92ca81777/go.mod h1:jwyrGlmzljRJv/Fgzds9SsS/C5hL+LL3ko9hs6T5lQ0= +github.com/opencontainers/runtime-spec v1.0.3-0.20200520003142-237cc4f519e2 h1:9mv9SC7GWmRWE0J/+oD8w3GsN2KYGKtg6uwLN7hfP5E= +github.com/opencontainers/runtime-spec v1.0.3-0.20200520003142-237cc4f519e2/go.mod h1:jwyrGlmzljRJv/Fgzds9SsS/C5hL+LL3ko9hs6T5lQ0= +github.com/opencontainers/runtime-tools v0.9.0 h1:FYgwVsKRI/H9hU32MJ/4MLOzXWodKK5zsQavY8NPMkU= +github.com/opencontainers/runtime-tools v0.9.0/go.mod h1:r3f7wjNzSs2extwzU3Y+6pKfobzPh+kKFJ3ofN+3nfs= +github.com/opencontainers/selinux v1.2.2 h1:Kx9J6eDG5/24A6DtUquGSpJQ+m2MUTahn4FtGEe8bFg= +github.com/opencontainers/selinux v1.2.2/go.mod h1:+BLncwf63G4dgOzykXAxcmnFlUaOlkDdmw/CqsW6pjs= +github.com/opencontainers/selinux v1.3.0 h1:xsI95WzPZu5exzA6JzkLSfdr/DilzOhCJOqGe5TgR0g= +github.com/opencontainers/selinux v1.3.0/go.mod h1:+BLncwf63G4dgOzykXAxcmnFlUaOlkDdmw/CqsW6pjs= +github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= +github.com/seccomp/libseccomp-golang v0.9.1 h1:NJjM5DNFOs0s3kYE1WUOr6G8V97sdt46rlXTMfXGWBo= +github.com/seccomp/libseccomp-golang v0.9.1/go.mod h1:GbW5+tmTXfcxTToHLXlScSlAvWlF4P2Ca7zGrPiEpWo= +github.com/sirupsen/logrus v1.4.2 h1:SPIRibHv4MatM3XXNO2BJeFLZwZ2LvZgfQ5+UNI2im4= +github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE= +github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= +github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= +github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs= +github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI= +github.com/syndtr/gocapability v0.0.0-20180916011248-d98352740cb2 h1:b6uOv7YOFK0TYG7HtkIgExQo+2RdLuwRft63jn2HWj8= +github.com/syndtr/gocapability v0.0.0-20180916011248-d98352740cb2/go.mod h1:hkRG7XYTFWNJGYcbNJQlaLq0fg1yr4J4t/NcTQtrfww= +github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f h1:J9EGpcZtP0E/raorCMxlFGSTBrsSlaDGf3jU/qvAE2c= +github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f/go.mod h1:N2zxlSyiKSe5eX1tZViRH5QA0qijqEDrYZiPEAiq3wU= +github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 h1:EzJWgHovont7NscjpAxXsDA8S8BMYve8Y5+7cuRE7R0= +github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415/go.mod h1:GwrjFmJcFw6At/Gs6z4yjiIwzuJ1/+UwLxMQDVQXShQ= +github.com/xeipuuv/gojsonschema v1.1.0 h1:ngVtJC9TY/lg0AA/1k48FYhBrhRoFlEmWzsehpNAaZg= +github.com/xeipuuv/gojsonschema v1.1.0/go.mod h1:5yf86TLmAcydyeJq5YvxkGPE2fm/u4myDekKRoLuqhs= +github.com/xeipuuv/gojsonschema v1.2.0 h1:LhYJRs+L4fBtjZUfuSZIKGeVu0QRy8e5Xi7D17UxZ74= +github.com/xeipuuv/gojsonschema v1.2.0/go.mod h1:anYRn/JVcOK2ZgGU+IjEV4nwlhoK5sQluxsYJ78Id3Y= +golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0 h1:HyfiK1WMnHj5FXFXatD+Qs1A/xC2Run6RzeW1SyHxpc= +golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20190921190940-14da1ac737cc h1:EinpED/Eb9JUgDi6pkoFjw+tz69c3lHUZr2+Va84S0w= +golang.org/x/sys v0.0.0-20190921190940-14da1ac737cc/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= diff --git a/vendor/github.com/seccomp/containers-golang/seccomp.json b/vendor/github.com/seccomp/containers-golang/seccomp.json index fe9eda56a..4c84d981f 100644 --- a/vendor/github.com/seccomp/containers-golang/seccomp.json +++ b/vendor/github.com/seccomp/containers-golang/seccomp.json @@ -52,6 +52,8 @@ "syscalls": [ { "names": [ + "_llseek", + "_newselect", "accept", "accept4", "access", @@ -118,6 +120,8 @@ "ftruncate64", "futex", "futimesat", + "get_robust_list", + "get_thread_area", "getcpu", "getcwd", "getdents", @@ -143,12 +147,10 @@ "getresuid", "getresuid32", "getrlimit", - "get_robust_list", "getrusage", "getsid", "getsockname", "getsockopt", - "get_thread_area", "gettid", "gettimeofday", "getuid", @@ -159,13 +161,13 @@ "inotify_init1", "inotify_rm_watch", "io_cancel", - "ioctl", "io_destroy", "io_getevents", - "ioprio_get", - "ioprio_set", "io_setup", "io_submit", + "ioctl", + "ioprio_get", + "ioprio_set", "ipc", "kill", "lchown", @@ -176,7 +178,6 @@ "listen", "listxattr", "llistxattr", - "_llseek", "lremovexattr", "lseek", "lsetxattr", @@ -194,6 +195,7 @@ "mlockall", "mmap", "mmap2", + "mount", "mprotect", "mq_getsetattr", "mq_notify", @@ -210,9 +212,9 @@ "munlock", "munlockall", "munmap", + "name_to_handle_at", "nanosleep", "newfstatat", - "_newselect", "open", "openat", "pause", @@ -234,6 +236,7 @@ "readlink", "readlinkat", "readv", + "reboot", "recv", "recvfrom", "recvmmsg", @@ -253,11 +256,11 @@ "rt_sigsuspend", "rt_sigtimedwait", "rt_tgsigqueueinfo", + "sched_get_priority_max", + "sched_get_priority_min", "sched_getaffinity", "sched_getattr", "sched_getparam", - "sched_get_priority_max", - "sched_get_priority_min", "sched_getscheduler", "sched_rr_get_interval", "sched_setaffinity", @@ -277,6 +280,9 @@ "sendmmsg", "sendmsg", "sendto", + "set_robust_list", + "set_thread_area", + "set_tid_address", "setfsgid", "setfsgid32", "setfsuid", @@ -297,11 +303,8 @@ "setreuid", "setreuid32", "setrlimit", - "set_robust_list", "setsid", "setsockopt", - "set_thread_area", - "set_tid_address", "setuid", "setuid32", "setxattr", @@ -335,21 +338,24 @@ "time", "timer_create", "timer_delete", - "timerfd_create", - "timerfd_gettime", - "timerfd_settime", "timer_getoverrun", "timer_gettime", "timer_settime", + "timerfd_create", + "timerfd_gettime", + "timerfd_settime", "times", "tkill", "truncate", "truncate64", "ugetrlimit", "umask", + "umount", + "umount2", "uname", "unlink", "unlinkat", + "unshare", "utime", "utimensat", "utimes", @@ -359,12 +365,7 @@ "waitid", "waitpid", "write", - "writev", - "mount", - "umount2", - "reboot", - "name_to_handle_at", - "unshare" + "writev" ], "action": "SCMP_ACT_ALLOW", "args": [], @@ -770,4 +771,4 @@ "excludes": {} } ] -} +}
\ No newline at end of file diff --git a/vendor/github.com/seccomp/containers-golang/seccomp_default_linux.go b/vendor/github.com/seccomp/containers-golang/seccomp_default_linux.go index fde3cff75..e137a5887 100644 --- a/vendor/github.com/seccomp/containers-golang/seccomp_default_linux.go +++ b/vendor/github.com/seccomp/containers-golang/seccomp_default_linux.go @@ -1,5 +1,9 @@ // +build seccomp +// SPDX-License-Identifier: Apache-2.0 + +// Copyright 2013-2018 Docker, Inc. + package seccomp // import "github.com/seccomp/containers-golang" import ( @@ -44,6 +48,8 @@ func DefaultProfile() *Seccomp { syscalls := []*Syscall{ { Names: []string{ + "_llseek", + "_newselect", "accept", "accept4", "access", @@ -110,6 +116,8 @@ func DefaultProfile() *Seccomp { "ftruncate64", "futex", "futimesat", + "get_robust_list", + "get_thread_area", "getcpu", "getcwd", "getdents", @@ -135,12 +143,10 @@ func DefaultProfile() *Seccomp { "getresuid", "getresuid32", "getrlimit", - "get_robust_list", "getrusage", "getsid", "getsockname", "getsockopt", - "get_thread_area", "gettid", "gettimeofday", "getuid", @@ -151,13 +157,13 @@ func DefaultProfile() *Seccomp { "inotify_init1", "inotify_rm_watch", "io_cancel", - "ioctl", "io_destroy", "io_getevents", - "ioprio_get", - "ioprio_set", "io_setup", "io_submit", + "ioctl", + "ioprio_get", + "ioprio_set", "ipc", "kill", "lchown", @@ -168,7 +174,6 @@ func DefaultProfile() *Seccomp { "listen", "listxattr", "llistxattr", - "_llseek", "lremovexattr", "lseek", "lsetxattr", @@ -206,7 +211,6 @@ func DefaultProfile() *Seccomp { "name_to_handle_at", "nanosleep", "newfstatat", - "_newselect", "open", "openat", "pause", @@ -248,11 +252,11 @@ func DefaultProfile() *Seccomp { "rt_sigsuspend", "rt_sigtimedwait", "rt_tgsigqueueinfo", + "sched_get_priority_max", + "sched_get_priority_min", "sched_getaffinity", "sched_getattr", "sched_getparam", - "sched_get_priority_max", - "sched_get_priority_min", "sched_getscheduler", "sched_rr_get_interval", "sched_setaffinity", @@ -272,6 +276,9 @@ func DefaultProfile() *Seccomp { "sendmmsg", "sendmsg", "sendto", + "set_robust_list", + "set_thread_area", + "set_tid_address", "setfsgid", "setfsgid32", "setfsuid", @@ -292,11 +299,8 @@ func DefaultProfile() *Seccomp { "setreuid", "setreuid32", "setrlimit", - "set_robust_list", "setsid", "setsockopt", - "set_thread_area", - "set_tid_address", "setuid", "setuid32", "setxattr", @@ -330,12 +334,12 @@ func DefaultProfile() *Seccomp { "time", "timer_create", "timer_delete", - "timerfd_create", - "timerfd_gettime", - "timerfd_settime", "timer_getoverrun", "timer_gettime", "timer_settime", + "timerfd_create", + "timerfd_gettime", + "timerfd_settime", "times", "tkill", "truncate", @@ -343,9 +347,11 @@ func DefaultProfile() *Seccomp { "ugetrlimit", "umask", "umount", + "umount2", "uname", "unlink", "unlinkat", + "unshare", "utime", "utimensat", "utimes", diff --git a/vendor/github.com/seccomp/containers-golang/seccomp_linux.go b/vendor/github.com/seccomp/containers-golang/seccomp_linux.go index 9a495e3e2..44dcd90b8 100644 --- a/vendor/github.com/seccomp/containers-golang/seccomp_linux.go +++ b/vendor/github.com/seccomp/containers-golang/seccomp_linux.go @@ -1,5 +1,9 @@ // +build seccomp +// SPDX-License-Identifier: Apache-2.0 + +// Copyright 2013-2018 Docker, Inc. + package seccomp // import "github.com/seccomp/containers-golang" import ( @@ -9,6 +13,7 @@ import ( "github.com/opencontainers/runtime-spec/specs-go" libseccomp "github.com/seccomp/libseccomp-golang" + "golang.org/x/sys/unix" ) //go:generate go run -tags 'seccomp' generate.go @@ -22,11 +27,25 @@ func GetDefaultProfile(rs *specs.Spec) (*specs.LinuxSeccomp, error) { 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 nil, fmt.Errorf("decoding seccomp profile failed: %v", err) } return setupSeccomp(&config, rs) } +// LoadProfileFromBytes takes a byte slice and decodes the seccomp profile. +func LoadProfileFromBytes(body []byte, rs *specs.Spec) (*specs.LinuxSeccomp, error) { + config := &Seccomp{} + if err := json.Unmarshal(body, config); err != nil { + return nil, fmt.Errorf("decoding seccomp profile failed: %v", err) + } + return setupSeccomp(config, rs) +} + +// LoadProfileFromConfig takes a Seccomp struct and a spec to retrieve a LinuxSeccomp +func LoadProfileFromConfig(config *Seccomp, specgen *specs.Spec) (*specs.LinuxSeccomp, error) { + return setupSeccomp(config, specgen) +} + var nativeToSeccomp = map[string]Arch{ "amd64": ArchX86_64, "arm64": ArchAARCH64, @@ -127,21 +146,22 @@ Loop: } if call.Name != "" { - newConfig.Syscalls = append(newConfig.Syscalls, createSpecsSyscall(call.Name, call.Action, call.Args)) + newConfig.Syscalls = append(newConfig.Syscalls, createSpecsSyscall([]string{call.Name}, call.Action, call.Args, call.ErrnoRet)) } - for _, n := range call.Names { - newConfig.Syscalls = append(newConfig.Syscalls, createSpecsSyscall(n, call.Action, call.Args)) + if len(call.Names) > 0 { + newConfig.Syscalls = append(newConfig.Syscalls, createSpecsSyscall(call.Names, call.Action, call.Args, call.ErrnoRet)) } } return newConfig, nil } -func createSpecsSyscall(name string, action Action, args []*Arg) specs.LinuxSyscall { +func createSpecsSyscall(names []string, action Action, args []*Arg, errnoRet *uint) specs.LinuxSyscall { newCall := specs.LinuxSyscall{ - Names: []string{name}, - Action: specs.LinuxSeccompAction(action), + Names: names, + Action: specs.LinuxSeccompAction(action), + ErrnoRet: errnoRet, } // Loop through all the arguments of the syscall and convert them @@ -157,3 +177,15 @@ func createSpecsSyscall(name string, action Action, args []*Arg) specs.LinuxSysc } return newCall } + +// IsEnabled returns true if seccomp is enabled for the host. +func IsEnabled() bool { + // Check if Seccomp is supported, via CONFIG_SECCOMP. + if err := unix.Prctl(unix.PR_GET_SECCOMP, 0, 0, 0, 0); err != unix.EINVAL { + // Make sure the kernel has CONFIG_SECCOMP_FILTER. + if err := unix.Prctl(unix.PR_SET_SECCOMP, unix.SECCOMP_MODE_FILTER, 0, 0, 0); err != unix.EINVAL { + return true + } + } + return false +} diff --git a/vendor/github.com/seccomp/containers-golang/seccomp_unsupported.go b/vendor/github.com/seccomp/containers-golang/seccomp_unsupported.go index 279340426..936a9a641 100644 --- a/vendor/github.com/seccomp/containers-golang/seccomp_unsupported.go +++ b/vendor/github.com/seccomp/containers-golang/seccomp_unsupported.go @@ -1,5 +1,9 @@ // +build !seccomp +// SPDX-License-Identifier: Apache-2.0 + +// Copyright 2013-2018 Docker, Inc. + package seccomp // import "github.com/seccomp/containers-golang" import ( @@ -22,3 +26,18 @@ func LoadProfile(body string, rs *specs.Spec) (*specs.LinuxSeccomp, error) { func GetDefaultProfile(rs *specs.Spec) (*specs.LinuxSeccomp, error) { return nil, fmt.Errorf("Seccomp not supported on this platform") } + +// LoadProfileFromBytes takes a byte slice and decodes the seccomp profile. +func LoadProfileFromBytes(body []byte, rs *specs.Spec) (*specs.LinuxSeccomp, error) { + return nil, fmt.Errorf("Seccomp not supported on this platform") +} + +// LoadProfileFromConfig takes a Seccomp struct and a spec to retrieve a LinuxSeccomp +func LoadProfileFromConfig(config *Seccomp, specgen *specs.Spec) (*specs.LinuxSeccomp, error) { + return nil, fmt.Errorf("Seccomp not supported on this platform") +} + +// IsEnabled returns true if seccomp is enabled for the host. +func IsEnabled() bool { + return false +} diff --git a/vendor/github.com/seccomp/containers-golang/types.go b/vendor/github.com/seccomp/containers-golang/types.go index b549a55fe..6651c423f 100644 --- a/vendor/github.com/seccomp/containers-golang/types.go +++ b/vendor/github.com/seccomp/containers-golang/types.go @@ -1,5 +1,9 @@ package seccomp // import "github.com/seccomp/containers-golang" +// SPDX-License-Identifier: Apache-2.0 + +// Copyright 2013-2018 Docker, Inc. + // Seccomp represents the config for a seccomp profile for syscall restriction. type Seccomp struct { DefaultAction Action `json:"defaultAction"` @@ -90,4 +94,5 @@ type Syscall struct { Comment string `json:"comment"` Includes Filter `json:"includes"` Excludes Filter `json:"excludes"` + ErrnoRet *uint `json:"errnoRet,omitempty"` } diff --git a/vendor/github.com/seccomp/containers-golang/vendor.conf b/vendor/github.com/seccomp/containers-golang/vendor.conf deleted file mode 100644 index 6111c475b..000000000 --- a/vendor/github.com/seccomp/containers-golang/vendor.conf +++ /dev/null @@ -1,9 +0,0 @@ -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 - |