From b43044fee9d71f2d0768e21521ca17a0af1907f4 Mon Sep 17 00:00:00 2001 From: "Jason A. Donenfeld" Date: Mon, 10 Dec 2018 03:30:09 +0100 Subject: Add upstream go patch for lstat Android O disallows lstat, and this upstream golang patch hasn't made it into a release yet. Signed-off-by: Jason A. Donenfeld --- .../libwg-go/goruntime-fstatat-over-lstat.diff | 291 +++++++++++++++++++++ 1 file changed, 291 insertions(+) create mode 100644 app/tools/libwg-go/goruntime-fstatat-over-lstat.diff (limited to 'app/tools/libwg-go/goruntime-fstatat-over-lstat.diff') diff --git a/app/tools/libwg-go/goruntime-fstatat-over-lstat.diff b/app/tools/libwg-go/goruntime-fstatat-over-lstat.diff new file mode 100644 index 00000000..f90dce7c --- /dev/null +++ b/app/tools/libwg-go/goruntime-fstatat-over-lstat.diff @@ -0,0 +1,291 @@ +diff --git a/src/syscall/syscall_linux_386.go b/src/syscall/syscall_linux_386.go +index 49db72450f..6e162ebb41 100644 +--- a/src/syscall/syscall_linux_386.go ++++ b/src/syscall/syscall_linux_386.go +@@ -62,8 +62,6 @@ func Pipe2(p []int, flags int) (err error) { + //sysnb InotifyInit() (fd int, err error) + //sys Ioperm(from int, num int, on int) (err error) + //sys Iopl(level int) (err error) +-//sys Lchown(path string, uid int, gid int) (err error) = SYS_LCHOWN32 +-//sys Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64 + //sys Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64 + //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64 + //sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64 +@@ -74,7 +72,6 @@ func Pipe2(p []int, flags int) (err error) { + //sysnb Setresuid(ruid int, euid int, suid int) (err error) = SYS_SETRESUID32 + //sysnb Setreuid(ruid int, euid int) (err error) = SYS_SETREUID32 + //sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error) +-//sys Stat(path string, stat *Stat_t) (err error) = SYS_STAT64 + //sys SyncFileRange(fd int, off int64, n int64, flags int) (err error) + //sys Truncate(path string, length int64) (err error) = SYS_TRUNCATE64 + //sysnb getgroups(n int, list *_Gid_t) (nn int, err error) = SYS_GETGROUPS32 +@@ -84,6 +81,18 @@ func Pipe2(p []int, flags int) (err error) { + //sys mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset uintptr) (xaddr uintptr, err error) + //sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) + ++func Stat(path string, stat *Stat_t) (err error) { ++ return fstatat(_AT_FDCWD, path, stat, 0) ++} ++ ++func Lchown(path string, uid int, gid int) (err error) { ++ return Fchownat(_AT_FDCWD, path, uid, gid, _AT_SYMLINK_NOFOLLOW) ++} ++ ++func Lstat(path string, stat *Stat_t) (err error) { ++ return fstatat(_AT_FDCWD, path, stat, _AT_SYMLINK_NOFOLLOW) ++} ++ + func mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) { + page := uintptr(offset / 4096) + if offset != int64(page)*4096 { +diff --git a/src/syscall/syscall_linux_amd64.go b/src/syscall/syscall_linux_amd64.go +index 1a21d9db6f..f740ab4e72 100644 +--- a/src/syscall/syscall_linux_amd64.go ++++ b/src/syscall/syscall_linux_amd64.go +@@ -22,9 +22,7 @@ const ( + //sysnb InotifyInit() (fd int, err error) + //sys Ioperm(from int, num int, on int) (err error) + //sys Iopl(level int) (err error) +-//sys Lchown(path string, uid int, gid int) (err error) + //sys Listen(s int, n int) (err error) +-//sys Lstat(path string, stat *Stat_t) (err error) + //sys Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64 + //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64 + //sys Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK +@@ -66,6 +64,14 @@ func Stat(path string, stat *Stat_t) (err error) { + return fstatat(_AT_FDCWD, path, stat, 0) + } + ++func Lchown(path string, uid int, gid int) (err error) { ++ return Fchownat(_AT_FDCWD, path, uid, gid, _AT_SYMLINK_NOFOLLOW) ++} ++ ++func Lstat(path string, stat *Stat_t) (err error) { ++ return fstatat(_AT_FDCWD, path, stat, _AT_SYMLINK_NOFOLLOW) ++} ++ + //go:noescape + func gettimeofday(tv *Timeval) (err Errno) + +diff --git a/src/syscall/syscall_linux_arm.go b/src/syscall/syscall_linux_arm.go +index b0c0ac7c4f..65543193e1 100644 +--- a/src/syscall/syscall_linux_arm.go ++++ b/src/syscall/syscall_linux_arm.go +@@ -83,9 +83,7 @@ func Seek(fd int, offset int64, whence int) (newoffset int64, err error) { + //sysnb Getgid() (gid int) = SYS_GETGID32 + //sysnb Getuid() (uid int) = SYS_GETUID32 + //sysnb InotifyInit() (fd int, err error) +-//sys Lchown(path string, uid int, gid int) (err error) = SYS_LCHOWN32 + //sys Listen(s int, n int) (err error) +-//sys Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64 + //sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64 + //sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT + //sys Setfsgid(gid int) (err error) = SYS_SETFSGID32 +@@ -96,7 +94,6 @@ func Seek(fd int, offset int64, whence int) (newoffset int64, err error) { + //sysnb Setreuid(ruid int, euid int) (err error) = SYS_SETREUID32 + //sys Shutdown(fd int, how int) (err error) + //sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error) +-//sys Stat(path string, stat *Stat_t) (err error) = SYS_STAT64 + + // Vsyscalls on amd64. + //sysnb Gettimeofday(tv *Timeval) (err error) +@@ -110,6 +107,18 @@ func Seek(fd int, offset int64, whence int) (newoffset int64, err error) { + //sys mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset uintptr) (xaddr uintptr, err error) + //sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) + ++func Stat(path string, stat *Stat_t) (err error) { ++ return fstatat(_AT_FDCWD, path, stat, 0) ++} ++ ++func Lchown(path string, uid int, gid int) (err error) { ++ return Fchownat(_AT_FDCWD, path, uid, gid, _AT_SYMLINK_NOFOLLOW) ++} ++ ++func Lstat(path string, stat *Stat_t) (err error) { ++ return fstatat(_AT_FDCWD, path, stat, _AT_SYMLINK_NOFOLLOW) ++} ++ + func Fstatfs(fd int, buf *Statfs_t) (err error) { + _, _, e := Syscall(SYS_FSTATFS64, uintptr(fd), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf))) + if e != 0 { +diff --git a/src/syscall/zsyscall_linux_386.go b/src/syscall/zsyscall_linux_386.go +index 62827f16dc..0882494c47 100644 +--- a/src/syscall/zsyscall_linux_386.go ++++ b/src/syscall/zsyscall_linux_386.go +@@ -1276,36 +1276,6 @@ func Iopl(level int) (err error) { + + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +-func Lchown(path string, uid int, gid int) (err error) { +- var _p0 *byte +- _p0, err = BytePtrFromString(path) +- if err != nil { +- return +- } +- _, _, e1 := Syscall(SYS_LCHOWN32, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid)) +- if e1 != 0 { +- err = errnoErr(e1) +- } +- return +-} +- +-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT +- +-func Lstat(path string, stat *Stat_t) (err error) { +- var _p0 *byte +- _p0, err = BytePtrFromString(path) +- if err != nil { +- return +- } +- _, _, e1 := Syscall(SYS_LSTAT64, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0) +- if e1 != 0 { +- err = errnoErr(e1) +- } +- return +-} +- +-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT +- + func Pread(fd int, p []byte, offset int64) (n int, err error) { + var _p0 unsafe.Pointer + if len(p) > 0 { +@@ -1422,21 +1392,6 @@ func Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n i + + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +-func Stat(path string, stat *Stat_t) (err error) { +- var _p0 *byte +- _p0, err = BytePtrFromString(path) +- if err != nil { +- return +- } +- _, _, e1 := Syscall(SYS_STAT64, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0) +- if e1 != 0 { +- err = errnoErr(e1) +- } +- return +-} +- +-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT +- + func SyncFileRange(fd int, off int64, n int64, flags int) (err error) { + _, _, e1 := Syscall6(SYS_SYNC_FILE_RANGE, uintptr(fd), uintptr(off), uintptr(off>>32), uintptr(n), uintptr(n>>32), uintptr(flags)) + if e1 != 0 { +diff --git a/src/syscall/zsyscall_linux_amd64.go b/src/syscall/zsyscall_linux_amd64.go +index b6638269be..9f2046bf93 100644 +--- a/src/syscall/zsyscall_linux_amd64.go ++++ b/src/syscall/zsyscall_linux_amd64.go +@@ -1261,21 +1261,6 @@ func Iopl(level int) (err error) { + + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +-func Lchown(path string, uid int, gid int) (err error) { +- var _p0 *byte +- _p0, err = BytePtrFromString(path) +- if err != nil { +- return +- } +- _, _, e1 := Syscall(SYS_LCHOWN, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid)) +- if e1 != 0 { +- err = errnoErr(e1) +- } +- return +-} +- +-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT +- + func Listen(s int, n int) (err error) { + _, _, e1 := Syscall(SYS_LISTEN, uintptr(s), uintptr(n), 0) + if e1 != 0 { +@@ -1286,21 +1271,6 @@ func Listen(s int, n int) (err error) { + + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +-func Lstat(path string, stat *Stat_t) (err error) { +- var _p0 *byte +- _p0, err = BytePtrFromString(path) +- if err != nil { +- return +- } +- _, _, e1 := Syscall(SYS_LSTAT, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0) +- if e1 != 0 { +- err = errnoErr(e1) +- } +- return +-} +- +-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT +- + func Pread(fd int, p []byte, offset int64) (n int, err error) { + var _p0 unsafe.Pointer + if len(p) > 0 { +diff --git a/src/syscall/zsyscall_linux_arm.go b/src/syscall/zsyscall_linux_arm.go +index bb20d6e946..3d099aa16d 100644 +--- a/src/syscall/zsyscall_linux_arm.go ++++ b/src/syscall/zsyscall_linux_arm.go +@@ -1415,21 +1415,6 @@ func InotifyInit() (fd int, err error) { + + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +-func Lchown(path string, uid int, gid int) (err error) { +- var _p0 *byte +- _p0, err = BytePtrFromString(path) +- if err != nil { +- return +- } +- _, _, e1 := Syscall(SYS_LCHOWN32, uintptr(unsafe.Pointer(_p0)), uintptr(uid), uintptr(gid)) +- if e1 != 0 { +- err = errnoErr(e1) +- } +- return +-} +- +-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT +- + func Listen(s int, n int) (err error) { + _, _, e1 := Syscall(SYS_LISTEN, uintptr(s), uintptr(n), 0) + if e1 != 0 { +@@ -1440,21 +1425,6 @@ func Listen(s int, n int) (err error) { + + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +-func Lstat(path string, stat *Stat_t) (err error) { +- var _p0 *byte +- _p0, err = BytePtrFromString(path) +- if err != nil { +- return +- } +- _, _, e1 := Syscall(SYS_LSTAT64, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0) +- if e1 != 0 { +- err = errnoErr(e1) +- } +- return +-} +- +-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT +- + func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { + r0, _, e1 := Syscall6(SYS_SENDFILE64, uintptr(outfd), uintptr(infd), uintptr(unsafe.Pointer(offset)), uintptr(count), 0, 0) + written = int(r0) +@@ -1558,21 +1528,6 @@ func Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n i + + // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +-func Stat(path string, stat *Stat_t) (err error) { +- var _p0 *byte +- _p0, err = BytePtrFromString(path) +- if err != nil { +- return +- } +- _, _, e1 := Syscall(SYS_STAT64, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)), 0) +- if e1 != 0 { +- err = errnoErr(e1) +- } +- return +-} +- +-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT +- + func Gettimeofday(tv *Timeval) (err error) { + _, _, e1 := RawSyscall(SYS_GETTIMEOFDAY, uintptr(unsafe.Pointer(tv)), 0, 0) + if e1 != 0 { -- cgit v1.2.3