diff options
Diffstat (limited to 'pkg/sentry/syscalls/linux/vfs2')
-rw-r--r-- | pkg/sentry/syscalls/linux/vfs2/BUILD | 4 | ||||
-rw-r--r-- | pkg/sentry/syscalls/linux/vfs2/linux64.go | 16 | ||||
-rw-r--r-- | pkg/sentry/syscalls/linux/vfs2/linux64_override_amd64.go | 165 | ||||
-rw-r--r-- | pkg/sentry/syscalls/linux/vfs2/linux64_override_arm64.go | 27 | ||||
-rw-r--r-- | pkg/sentry/syscalls/linux/vfs2/vfs2.go | 172 |
5 files changed, 173 insertions, 211 deletions
diff --git a/pkg/sentry/syscalls/linux/vfs2/BUILD b/pkg/sentry/syscalls/linux/vfs2/BUILD index ffca627d4..4c7b8f819 100644 --- a/pkg/sentry/syscalls/linux/vfs2/BUILD +++ b/pkg/sentry/syscalls/linux/vfs2/BUILD @@ -13,9 +13,6 @@ go_library( "fscontext.go", "getdents.go", "ioctl.go", - "linux64.go", - "linux64_override_amd64.go", - "linux64_override_arm64.go", "mmap.go", "path.go", "pipe.go", @@ -28,6 +25,7 @@ go_library( "stat_arm64.go", "sync.go", "timerfd.go", + "vfs2.go", "xattr.go", ], marshal = True, diff --git a/pkg/sentry/syscalls/linux/vfs2/linux64.go b/pkg/sentry/syscalls/linux/vfs2/linux64.go deleted file mode 100644 index 19ee36081..000000000 --- a/pkg/sentry/syscalls/linux/vfs2/linux64.go +++ /dev/null @@ -1,16 +0,0 @@ -// Copyright 2020 The gVisor Authors. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -// Package vfs2 provides syscall implementations that use VFS2. -package vfs2 diff --git a/pkg/sentry/syscalls/linux/vfs2/linux64_override_amd64.go b/pkg/sentry/syscalls/linux/vfs2/linux64_override_amd64.go deleted file mode 100644 index 47c5d18e7..000000000 --- a/pkg/sentry/syscalls/linux/vfs2/linux64_override_amd64.go +++ /dev/null @@ -1,165 +0,0 @@ -// Copyright 2020 The gVisor Authors. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -// +build amd64 - -package vfs2 - -import ( - "gvisor.dev/gvisor/pkg/sentry/kernel" - "gvisor.dev/gvisor/pkg/sentry/syscalls" -) - -// Override syscall table to add syscalls implementations from this package. -func Override(table map[uintptr]kernel.Syscall) { - table[0] = syscalls.Supported("read", Read) - table[1] = syscalls.Supported("write", Write) - table[2] = syscalls.Supported("open", Open) - table[3] = syscalls.Supported("close", Close) - table[4] = syscalls.Supported("stat", Stat) - table[5] = syscalls.Supported("fstat", Fstat) - table[6] = syscalls.Supported("lstat", Lstat) - table[7] = syscalls.Supported("poll", Poll) - table[8] = syscalls.Supported("lseek", Lseek) - table[9] = syscalls.Supported("mmap", Mmap) - table[16] = syscalls.Supported("ioctl", Ioctl) - table[17] = syscalls.Supported("pread64", Pread64) - table[18] = syscalls.Supported("pwrite64", Pwrite64) - table[19] = syscalls.Supported("readv", Readv) - table[20] = syscalls.Supported("writev", Writev) - table[21] = syscalls.Supported("access", Access) - table[22] = syscalls.Supported("pipe", Pipe) - table[23] = syscalls.Supported("select", Select) - table[32] = syscalls.Supported("dup", Dup) - table[33] = syscalls.Supported("dup2", Dup2) - delete(table, 40) // sendfile - table[41] = syscalls.Supported("socket", Socket) - table[42] = syscalls.Supported("connect", Connect) - table[43] = syscalls.Supported("accept", Accept) - table[44] = syscalls.Supported("sendto", SendTo) - table[45] = syscalls.Supported("recvfrom", RecvFrom) - table[46] = syscalls.Supported("sendmsg", SendMsg) - table[47] = syscalls.Supported("recvmsg", RecvMsg) - table[48] = syscalls.Supported("shutdown", Shutdown) - table[49] = syscalls.Supported("bind", Bind) - table[50] = syscalls.Supported("listen", Listen) - table[51] = syscalls.Supported("getsockname", GetSockName) - table[52] = syscalls.Supported("getpeername", GetPeerName) - table[53] = syscalls.Supported("socketpair", SocketPair) - table[54] = syscalls.Supported("setsockopt", SetSockOpt) - table[55] = syscalls.Supported("getsockopt", GetSockOpt) - table[59] = syscalls.Supported("execve", Execve) - table[72] = syscalls.Supported("fcntl", Fcntl) - delete(table, 73) // flock - table[74] = syscalls.Supported("fsync", Fsync) - table[75] = syscalls.Supported("fdatasync", Fdatasync) - table[76] = syscalls.Supported("truncate", Truncate) - table[77] = syscalls.Supported("ftruncate", Ftruncate) - table[78] = syscalls.Supported("getdents", Getdents) - table[79] = syscalls.Supported("getcwd", Getcwd) - table[80] = syscalls.Supported("chdir", Chdir) - table[81] = syscalls.Supported("fchdir", Fchdir) - table[82] = syscalls.Supported("rename", Rename) - table[83] = syscalls.Supported("mkdir", Mkdir) - table[84] = syscalls.Supported("rmdir", Rmdir) - table[85] = syscalls.Supported("creat", Creat) - table[86] = syscalls.Supported("link", Link) - table[87] = syscalls.Supported("unlink", Unlink) - table[88] = syscalls.Supported("symlink", Symlink) - table[89] = syscalls.Supported("readlink", Readlink) - table[90] = syscalls.Supported("chmod", Chmod) - table[91] = syscalls.Supported("fchmod", Fchmod) - table[92] = syscalls.Supported("chown", Chown) - table[93] = syscalls.Supported("fchown", Fchown) - table[94] = syscalls.Supported("lchown", Lchown) - table[132] = syscalls.Supported("utime", Utime) - table[133] = syscalls.Supported("mknod", Mknod) - table[137] = syscalls.Supported("statfs", Statfs) - table[138] = syscalls.Supported("fstatfs", Fstatfs) - table[161] = syscalls.Supported("chroot", Chroot) - table[162] = syscalls.Supported("sync", Sync) - delete(table, 165) // mount - delete(table, 166) // umount2 - delete(table, 187) // readahead - table[188] = syscalls.Supported("setxattr", Setxattr) - table[189] = syscalls.Supported("lsetxattr", Lsetxattr) - table[190] = syscalls.Supported("fsetxattr", Fsetxattr) - table[191] = syscalls.Supported("getxattr", Getxattr) - table[192] = syscalls.Supported("lgetxattr", Lgetxattr) - table[193] = syscalls.Supported("fgetxattr", Fgetxattr) - table[194] = syscalls.Supported("listxattr", Listxattr) - table[195] = syscalls.Supported("llistxattr", Llistxattr) - table[196] = syscalls.Supported("flistxattr", Flistxattr) - table[197] = syscalls.Supported("removexattr", Removexattr) - table[198] = syscalls.Supported("lremovexattr", Lremovexattr) - table[199] = syscalls.Supported("fremovexattr", Fremovexattr) - delete(table, 206) // io_setup - delete(table, 207) // io_destroy - delete(table, 208) // io_getevents - delete(table, 209) // io_submit - delete(table, 210) // io_cancel - table[213] = syscalls.Supported("epoll_create", EpollCreate) - table[217] = syscalls.Supported("getdents64", Getdents64) - delete(table, 221) // fdavise64 - table[232] = syscalls.Supported("epoll_wait", EpollWait) - table[233] = syscalls.Supported("epoll_ctl", EpollCtl) - table[235] = syscalls.Supported("utimes", Utimes) - delete(table, 253) // inotify_init - delete(table, 254) // inotify_add_watch - delete(table, 255) // inotify_rm_watch - table[257] = syscalls.Supported("openat", Openat) - table[258] = syscalls.Supported("mkdirat", Mkdirat) - table[259] = syscalls.Supported("mknodat", Mknodat) - table[260] = syscalls.Supported("fchownat", Fchownat) - table[261] = syscalls.Supported("futimens", Futimens) - table[262] = syscalls.Supported("newfstatat", Newfstatat) - table[263] = syscalls.Supported("unlinkat", Unlinkat) - table[264] = syscalls.Supported("renameat", Renameat) - table[265] = syscalls.Supported("linkat", Linkat) - table[266] = syscalls.Supported("symlinkat", Symlinkat) - table[267] = syscalls.Supported("readlinkat", Readlinkat) - table[268] = syscalls.Supported("fchmodat", Fchmodat) - table[269] = syscalls.Supported("faccessat", Faccessat) - table[270] = syscalls.Supported("pselect", Pselect) - table[271] = syscalls.Supported("ppoll", Ppoll) - delete(table, 275) // splice - delete(table, 276) // tee - table[277] = syscalls.Supported("sync_file_range", SyncFileRange) - table[280] = syscalls.Supported("utimensat", Utimensat) - table[281] = syscalls.Supported("epoll_pwait", EpollPwait) - delete(table, 282) // signalfd - table[283] = syscalls.Supported("timerfd_create", TimerfdCreate) - table[284] = syscalls.Supported("eventfd", Eventfd) - delete(table, 285) // fallocate - table[286] = syscalls.Supported("timerfd_settime", TimerfdSettime) - table[287] = syscalls.Supported("timerfd_gettime", TimerfdGettime) - table[288] = syscalls.Supported("accept4", Accept4) - delete(table, 289) // signalfd4 - table[290] = syscalls.Supported("eventfd2", Eventfd2) - table[291] = syscalls.Supported("epoll_create1", EpollCreate1) - table[292] = syscalls.Supported("dup3", Dup3) - table[293] = syscalls.Supported("pipe2", Pipe2) - delete(table, 294) // inotify_init1 - table[295] = syscalls.Supported("preadv", Preadv) - table[296] = syscalls.Supported("pwritev", Pwritev) - table[299] = syscalls.Supported("recvmmsg", RecvMMsg) - table[306] = syscalls.Supported("syncfs", Syncfs) - table[307] = syscalls.Supported("sendmmsg", SendMMsg) - table[316] = syscalls.Supported("renameat2", Renameat2) - delete(table, 319) // memfd_create - table[322] = syscalls.Supported("execveat", Execveat) - table[327] = syscalls.Supported("preadv2", Preadv2) - table[328] = syscalls.Supported("pwritev2", Pwritev2) - table[332] = syscalls.Supported("statx", Statx) -} diff --git a/pkg/sentry/syscalls/linux/vfs2/linux64_override_arm64.go b/pkg/sentry/syscalls/linux/vfs2/linux64_override_arm64.go deleted file mode 100644 index a6b367468..000000000 --- a/pkg/sentry/syscalls/linux/vfs2/linux64_override_arm64.go +++ /dev/null @@ -1,27 +0,0 @@ -// Copyright 2020 The gVisor Authors. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -// +build arm64 - -package vfs2 - -import ( - "gvisor.dev/gvisor/pkg/sentry/kernel" - "gvisor.dev/gvisor/pkg/sentry/syscalls" -) - -// Override syscall table to add syscalls implementations from this package. -func Override(table map[uintptr]kernel.Syscall) { - table[63] = syscalls.Supported("read", Read) -} diff --git a/pkg/sentry/syscalls/linux/vfs2/vfs2.go b/pkg/sentry/syscalls/linux/vfs2/vfs2.go new file mode 100644 index 000000000..f1b697844 --- /dev/null +++ b/pkg/sentry/syscalls/linux/vfs2/vfs2.go @@ -0,0 +1,172 @@ +// Copyright 2020 The gVisor Authors. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Package vfs2 provides syscall implementations that use VFS2. +package vfs2 + +import ( + "gvisor.dev/gvisor/pkg/sentry/syscalls" + "gvisor.dev/gvisor/pkg/sentry/syscalls/linux" +) + +// Override syscall table to add syscalls implementations from this package. +func Override() { + // Override AMD64. + s := linux.AMD64 + s.Table[0] = syscalls.Supported("read", Read) + s.Table[1] = syscalls.Supported("write", Write) + s.Table[2] = syscalls.Supported("open", Open) + s.Table[3] = syscalls.Supported("close", Close) + s.Table[4] = syscalls.Supported("stat", Stat) + s.Table[5] = syscalls.Supported("fstat", Fstat) + s.Table[6] = syscalls.Supported("lstat", Lstat) + s.Table[7] = syscalls.Supported("poll", Poll) + s.Table[8] = syscalls.Supported("lseek", Lseek) + s.Table[9] = syscalls.Supported("mmap", Mmap) + s.Table[16] = syscalls.Supported("ioctl", Ioctl) + s.Table[17] = syscalls.Supported("pread64", Pread64) + s.Table[18] = syscalls.Supported("pwrite64", Pwrite64) + s.Table[19] = syscalls.Supported("readv", Readv) + s.Table[20] = syscalls.Supported("writev", Writev) + s.Table[21] = syscalls.Supported("access", Access) + s.Table[22] = syscalls.Supported("pipe", Pipe) + s.Table[23] = syscalls.Supported("select", Select) + s.Table[32] = syscalls.Supported("dup", Dup) + s.Table[33] = syscalls.Supported("dup2", Dup2) + delete(s.Table, 40) // sendfile + s.Table[41] = syscalls.Supported("socket", Socket) + s.Table[42] = syscalls.Supported("connect", Connect) + s.Table[43] = syscalls.Supported("accept", Accept) + s.Table[44] = syscalls.Supported("sendto", SendTo) + s.Table[45] = syscalls.Supported("recvfrom", RecvFrom) + s.Table[46] = syscalls.Supported("sendmsg", SendMsg) + s.Table[47] = syscalls.Supported("recvmsg", RecvMsg) + s.Table[48] = syscalls.Supported("shutdown", Shutdown) + s.Table[49] = syscalls.Supported("bind", Bind) + s.Table[50] = syscalls.Supported("listen", Listen) + s.Table[51] = syscalls.Supported("getsockname", GetSockName) + s.Table[52] = syscalls.Supported("getpeername", GetPeerName) + s.Table[53] = syscalls.Supported("socketpair", SocketPair) + s.Table[54] = syscalls.Supported("setsockopt", SetSockOpt) + s.Table[55] = syscalls.Supported("getsockopt", GetSockOpt) + s.Table[59] = syscalls.Supported("execve", Execve) + s.Table[72] = syscalls.Supported("fcntl", Fcntl) + delete(s.Table, 73) // flock + s.Table[74] = syscalls.Supported("fsync", Fsync) + s.Table[75] = syscalls.Supported("fdatasync", Fdatasync) + s.Table[76] = syscalls.Supported("truncate", Truncate) + s.Table[77] = syscalls.Supported("ftruncate", Ftruncate) + s.Table[78] = syscalls.Supported("getdents", Getdents) + s.Table[79] = syscalls.Supported("getcwd", Getcwd) + s.Table[80] = syscalls.Supported("chdir", Chdir) + s.Table[81] = syscalls.Supported("fchdir", Fchdir) + s.Table[82] = syscalls.Supported("rename", Rename) + s.Table[83] = syscalls.Supported("mkdir", Mkdir) + s.Table[84] = syscalls.Supported("rmdir", Rmdir) + s.Table[85] = syscalls.Supported("creat", Creat) + s.Table[86] = syscalls.Supported("link", Link) + s.Table[87] = syscalls.Supported("unlink", Unlink) + s.Table[88] = syscalls.Supported("symlink", Symlink) + s.Table[89] = syscalls.Supported("readlink", Readlink) + s.Table[90] = syscalls.Supported("chmod", Chmod) + s.Table[91] = syscalls.Supported("fchmod", Fchmod) + s.Table[92] = syscalls.Supported("chown", Chown) + s.Table[93] = syscalls.Supported("fchown", Fchown) + s.Table[94] = syscalls.Supported("lchown", Lchown) + s.Table[132] = syscalls.Supported("utime", Utime) + s.Table[133] = syscalls.Supported("mknod", Mknod) + s.Table[137] = syscalls.Supported("statfs", Statfs) + s.Table[138] = syscalls.Supported("fstatfs", Fstatfs) + s.Table[161] = syscalls.Supported("chroot", Chroot) + s.Table[162] = syscalls.Supported("sync", Sync) + delete(s.Table, 165) // mount + delete(s.Table, 166) // umount2 + delete(s.Table, 187) // readahead + s.Table[188] = syscalls.Supported("setxattr", Setxattr) + s.Table[189] = syscalls.Supported("lsetxattr", Lsetxattr) + s.Table[190] = syscalls.Supported("fsetxattr", Fsetxattr) + s.Table[191] = syscalls.Supported("getxattr", Getxattr) + s.Table[192] = syscalls.Supported("lgetxattr", Lgetxattr) + s.Table[193] = syscalls.Supported("fgetxattr", Fgetxattr) + s.Table[194] = syscalls.Supported("listxattr", Listxattr) + s.Table[195] = syscalls.Supported("llistxattr", Llistxattr) + s.Table[196] = syscalls.Supported("flistxattr", Flistxattr) + s.Table[197] = syscalls.Supported("removexattr", Removexattr) + s.Table[198] = syscalls.Supported("lremovexattr", Lremovexattr) + s.Table[199] = syscalls.Supported("fremovexattr", Fremovexattr) + delete(s.Table, 206) // io_setup + delete(s.Table, 207) // io_destroy + delete(s.Table, 208) // io_getevents + delete(s.Table, 209) // io_submit + delete(s.Table, 210) // io_cancel + s.Table[213] = syscalls.Supported("epoll_create", EpollCreate) + s.Table[217] = syscalls.Supported("getdents64", Getdents64) + delete(s.Table, 221) // fdavise64 + s.Table[232] = syscalls.Supported("epoll_wait", EpollWait) + s.Table[233] = syscalls.Supported("epoll_ctl", EpollCtl) + s.Table[235] = syscalls.Supported("utimes", Utimes) + delete(s.Table, 253) // inotify_init + delete(s.Table, 254) // inotify_add_watch + delete(s.Table, 255) // inotify_rm_watch + s.Table[257] = syscalls.Supported("openat", Openat) + s.Table[258] = syscalls.Supported("mkdirat", Mkdirat) + s.Table[259] = syscalls.Supported("mknodat", Mknodat) + s.Table[260] = syscalls.Supported("fchownat", Fchownat) + s.Table[261] = syscalls.Supported("futimens", Futimens) + s.Table[262] = syscalls.Supported("newfstatat", Newfstatat) + s.Table[263] = syscalls.Supported("unlinkat", Unlinkat) + s.Table[264] = syscalls.Supported("renameat", Renameat) + s.Table[265] = syscalls.Supported("linkat", Linkat) + s.Table[266] = syscalls.Supported("symlinkat", Symlinkat) + s.Table[267] = syscalls.Supported("readlinkat", Readlinkat) + s.Table[268] = syscalls.Supported("fchmodat", Fchmodat) + s.Table[269] = syscalls.Supported("faccessat", Faccessat) + s.Table[270] = syscalls.Supported("pselect", Pselect) + s.Table[271] = syscalls.Supported("ppoll", Ppoll) + delete(s.Table, 275) // splice + delete(s.Table, 276) // tee + s.Table[277] = syscalls.Supported("sync_file_range", SyncFileRange) + s.Table[280] = syscalls.Supported("utimensat", Utimensat) + s.Table[281] = syscalls.Supported("epoll_pwait", EpollPwait) + delete(s.Table, 282) // signalfd + s.Table[283] = syscalls.Supported("timerfd_create", TimerfdCreate) + s.Table[284] = syscalls.Supported("eventfd", Eventfd) + delete(s.Table, 285) // fallocate + s.Table[286] = syscalls.Supported("timerfd_settime", TimerfdSettime) + s.Table[287] = syscalls.Supported("timerfd_gettime", TimerfdGettime) + s.Table[288] = syscalls.Supported("accept4", Accept4) + delete(s.Table, 289) // signalfd4 + s.Table[290] = syscalls.Supported("eventfd2", Eventfd2) + s.Table[291] = syscalls.Supported("epoll_create1", EpollCreate1) + s.Table[292] = syscalls.Supported("dup3", Dup3) + s.Table[293] = syscalls.Supported("pipe2", Pipe2) + delete(s.Table, 294) // inotify_init1 + s.Table[295] = syscalls.Supported("preadv", Preadv) + s.Table[296] = syscalls.Supported("pwritev", Pwritev) + s.Table[299] = syscalls.Supported("recvmmsg", RecvMMsg) + s.Table[306] = syscalls.Supported("syncfs", Syncfs) + s.Table[307] = syscalls.Supported("sendmmsg", SendMMsg) + s.Table[316] = syscalls.Supported("renameat2", Renameat2) + delete(s.Table, 319) // memfd_create + s.Table[322] = syscalls.Supported("execveat", Execveat) + s.Table[327] = syscalls.Supported("preadv2", Preadv2) + s.Table[328] = syscalls.Supported("pwritev2", Pwritev2) + s.Table[332] = syscalls.Supported("statx", Statx) + s.Init() + + // Override ARM64. + s = linux.ARM64 + s.Table[63] = syscalls.Supported("read", Read) + s.Init() +} |