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build: Add support for building on Illumos

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This commit adds support for building for Illumos-derived operating
systems. Regrettably, the cyrpto/ssh/terminal package does not include
implementations of the functions IsTerminal, MakeRaw or Restore for the
solaris OS. Consequently this commit implements them in Vault.

makeRaw(fd int) is based on the Illumos implementation of the getpass
function [1] for the correct flags. isTerminal(fd int) is based on the
Illumos libc implementation [2] of isatty.

[1] http://src.illumos.org/source/xref/illumos-gate/usr/src/lib/libast/common/uwin/getpass.c
[2] http://src.illumos.org/source/xref/illumos-gate/usr/src/lib/libbc/libc/gen/common/isatty.c
This commit is contained in:
James Nugent 2016-08-13 00:20:15 -04:00
parent 5800b4ad3e
commit 2c14ff7385
2 changed files with 57 additions and 2 deletions
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55
helper/password/password_solaris.go Normal file
View file

@ -0,0 +1,55 @@
// +build solaris
package password
import (
"fmt"
"os"
"syscall"
"golang.org/x/sys/unix"
)
func read(f *os.File) (string, error) {
fd := int(f.Fd())
if !isTerminal(fd) {
return "", fmt.Errorf("File descriptor %d is not a terminal", fd)
}
oldState, err := makeRaw(fd)
if err != nil {
return "", err
}
defer unix.IoctlSetTermios(fd, unix.TCSETS, oldState)
return readline(f)
}
// isTerminal returns true if there is a terminal attached to the given
// file descriptor.
// Source: http://src.illumos.org/source/xref/illumos-gate/usr/src/lib/libbc/libc/gen/common/isatty.c
func isTerminal(fd int) bool {
var termio unix.Termio
err := unix.IoctlSetTermio(fd, unix.TCGETA, &termio)
return err == nil
}
// makeRaw puts the terminal connected to the given file descriptor into raw
// mode and returns the previous state of the terminal so that it can be
// restored.
// Source: http://src.illumos.org/source/xref/illumos-gate/usr/src/lib/libast/common/uwin/getpass.c
func makeRaw(fd int) (*unix.Termios, error) {
oldTermiosPtr, err := unix.IoctlGetTermios(int(fd), unix.TCGETS)
if err != nil {
return nil, err
}
oldTermios := *oldTermiosPtr
newTermios := oldTermios
newTermios.Lflag &^= syscall.ECHO | syscall.ECHOE | syscall.ECHOK | syscall.ECHONL
if err := unix.IoctlSetTermios(fd, unix.TCSETS, &newTermios); err != nil {
return nil, err
}
return oldTermiosPtr, nil
}

4
scripts/build.sh
View file

@ -20,8 +20,8 @@ GIT_DIRTY="$(test -n "`git status --porcelain`" && echo "+CHANGES" || true)"
# Determine the arch/os combos we're building for
XC_ARCH=${XC_ARCH:-"386 amd64"}
XC_OS=${XC_OS:-linux darwin windows freebsd openbsd netbsd}
XC_OSARCH=${XC_OSARCH:-"linux/386 linux/amd64 linux/arm darwin/386 darwin/amd64 windows/386 windows/amd64 freebsd/386 freebsd/amd64 freebsd/arm openbsd/386 openbsd/amd64 openbsd/arm netbsd/386 netbsd/amd64 netbsd/arm"}
XC_OS=${XC_OS:-linux darwin windows freebsd openbsd netbsd solaris}
XC_OSARCH=${XC_OSARCH:-"linux/386 linux/amd64 linux/arm darwin/386 darwin/amd64 windows/386 windows/amd64 freebsd/386 freebsd/amd64 freebsd/arm openbsd/386 openbsd/amd64 openbsd/arm netbsd/386 netbsd/amd64 netbsd/arm solaris/amd64"}
GOPATH=${GOPATH:-$(go env GOPATH)}
case $(uname) in