mirror of
git://git.savannah.gnu.org/guix.git
synced 2023-12-14 03:33:07 +01:00
f87371bf3e
* guix/build/syscalls.scm (openpty, login-pty): New procedures.
* tests/syscalls.scm ("openpty", "openpty + login-tty"): New tests.
661 lines
22 KiB
Scheme
661 lines
22 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
|
||
;;; Copyright © 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 Ludovic Courtès <ludo@gnu.org>
|
||
;;; Copyright © 2015 David Thompson <davet@gnu.org>
|
||
;;; Copyright © 2020 Simon South <simon@simonsouth.net>
|
||
;;; Copyright © 2020 Mathieu Othacehe <m.othacehe@gmail.com>
|
||
;;;
|
||
;;; This file is part of GNU Guix.
|
||
;;;
|
||
;;; GNU Guix is free software; you can redistribute it and/or modify it
|
||
;;; under the terms of the GNU General Public License as published by
|
||
;;; the Free Software Foundation; either version 3 of the License, or (at
|
||
;;; your option) any later version.
|
||
;;;
|
||
;;; GNU Guix is distributed in the hope that it will be useful, but
|
||
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
;;; GNU General Public License for more details.
|
||
;;;
|
||
;;; You should have received a copy of the GNU General Public License
|
||
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
|
||
|
||
(define-module (test-syscalls)
|
||
#:use-module (guix utils)
|
||
#:use-module (guix build syscalls)
|
||
#:use-module (gnu build linux-container)
|
||
#:use-module (srfi srfi-1)
|
||
#:use-module (srfi srfi-26)
|
||
#:use-module (srfi srfi-64)
|
||
#:use-module (srfi srfi-71)
|
||
#:use-module (system foreign)
|
||
#:use-module ((ice-9 ftw) #:select (scandir))
|
||
#:use-module (ice-9 match))
|
||
|
||
;; Test the (guix build syscalls) module, although there's not much that can
|
||
;; actually be tested without being root.
|
||
|
||
(define temp-file
|
||
(string-append "t-utils-" (number->string (getpid))))
|
||
|
||
|
||
(test-begin "syscalls")
|
||
|
||
(test-equal "mount, ENOENT"
|
||
ENOENT
|
||
(catch 'system-error
|
||
(lambda ()
|
||
(mount "/dev/null" "/does-not-exist" "ext2")
|
||
#f)
|
||
(compose system-error-errno list)))
|
||
|
||
(test-assert "umount, ENOENT/EPERM"
|
||
(catch 'system-error
|
||
(lambda ()
|
||
(umount "/does-not-exist")
|
||
#f)
|
||
(lambda args
|
||
;; Both return values have been encountered in the wild.
|
||
(memv (system-error-errno args) (list EPERM ENOENT)))))
|
||
|
||
(test-assert "mounts"
|
||
;; Check for one of the common mount points.
|
||
(let ((mounts (mounts)))
|
||
(any (match-lambda
|
||
((point . type)
|
||
(let ((mount (find (lambda (mount)
|
||
(string=? (mount-point mount) point))
|
||
mounts)))
|
||
(and mount
|
||
(string=? (mount-type mount) type)))))
|
||
'(("/proc" . "proc")
|
||
("/sys" . "sysfs")
|
||
("/dev/shm" . "tmpfs")))))
|
||
|
||
(test-assert "mount-points"
|
||
;; Reportedly "/" is not always listed as a mount point, so check a few
|
||
;; others (see <http://bugs.gnu.org/20261>.)
|
||
(any (cute member <> (mount-points))
|
||
'("/" "/proc" "/sys" "/dev")))
|
||
|
||
(false-if-exception (delete-file temp-file))
|
||
(test-equal "utime with AT_SYMLINK_NOFOLLOW"
|
||
'(0 0)
|
||
(begin
|
||
;; Test libguile's utime with AT_SYMLINK_NOFOLLOW, which libguile does not
|
||
;; define as of Guile 2.2.4.
|
||
(symlink "/nowhere" temp-file)
|
||
(utime temp-file 0 0 0 0 AT_SYMLINK_NOFOLLOW)
|
||
(let ((st (lstat temp-file)))
|
||
(delete-file temp-file)
|
||
;; Note: 'utimensat' does not change 'ctime'.
|
||
(list (stat:mtime st) (stat:atime st)))))
|
||
|
||
(test-assert "swapon, ENOSYS/ENOENT/EPERM"
|
||
(catch 'system-error
|
||
(lambda ()
|
||
(swapon "/does-not-exist")
|
||
#f)
|
||
(lambda args
|
||
(memv (system-error-errno args) (list EPERM ENOENT ENOSYS)))))
|
||
|
||
(test-assert "swapoff, ENOSYS/ENOENT/EINVAL/EPERM"
|
||
(catch 'system-error
|
||
(lambda ()
|
||
(swapoff "/does-not-exist")
|
||
#f)
|
||
(lambda args
|
||
(memv (system-error-errno args) (list EPERM EINVAL ENOENT ENOSYS)))))
|
||
|
||
(test-assert "mkdtemp!"
|
||
(let* ((tmp (or (getenv "TMPDIR") "/tmp"))
|
||
(dir (mkdtemp! (string-append tmp "/guix-test-XXXXXX"))))
|
||
(and (file-exists? dir)
|
||
(begin
|
||
(rmdir dir)
|
||
#t))))
|
||
|
||
(test-equal "statfs, ENOENT"
|
||
ENOENT
|
||
(catch 'system-error
|
||
(lambda ()
|
||
(statfs "/does-not-exist"))
|
||
(compose system-error-errno list)))
|
||
|
||
(test-assert "statfs"
|
||
(let ((fs (statfs "/")))
|
||
(and (file-system? fs)
|
||
(> (file-system-block-size fs) 0)
|
||
(>= (file-system-blocks-available fs) 0)
|
||
(>= (file-system-blocks-free fs)
|
||
(file-system-blocks-available fs)))))
|
||
|
||
(define (user-namespace pid)
|
||
(string-append "/proc/" (number->string pid) "/ns/user"))
|
||
|
||
(define perform-container-tests?
|
||
(and (user-namespace-supported?)
|
||
(unprivileged-user-namespace-supported?)))
|
||
|
||
(unless perform-container-tests?
|
||
(test-skip 1))
|
||
(test-assert "clone"
|
||
(match (clone (logior CLONE_NEWUSER SIGCHLD))
|
||
(0 (primitive-exit 42))
|
||
(pid
|
||
;; Check if user namespaces are different.
|
||
(and (not (equal? (readlink (user-namespace pid))
|
||
(readlink (user-namespace (getpid)))))
|
||
(match (waitpid pid)
|
||
((_ . status)
|
||
(= 42 (status:exit-val status))))))))
|
||
|
||
(unless perform-container-tests?
|
||
(test-skip 1))
|
||
(test-assert "setns"
|
||
(match (clone (logior CLONE_NEWUSER SIGCHLD))
|
||
(0 (primitive-exit 0))
|
||
(clone-pid
|
||
(match (pipe)
|
||
((in . out)
|
||
(match (primitive-fork)
|
||
(0
|
||
(close in)
|
||
;; Join the user namespace.
|
||
(call-with-input-file (user-namespace clone-pid)
|
||
(lambda (port)
|
||
(setns (port->fdes port) 0)))
|
||
(write 'done out)
|
||
(close out)
|
||
(primitive-exit 0))
|
||
(fork-pid
|
||
(close out)
|
||
;; Wait for the child process to join the namespace.
|
||
(read in)
|
||
(let ((result (and (equal? (readlink (user-namespace clone-pid))
|
||
(readlink (user-namespace fork-pid))))))
|
||
;; Clean up.
|
||
(waitpid clone-pid)
|
||
(waitpid fork-pid)
|
||
result))))))))
|
||
|
||
(when (not perform-container-tests?)
|
||
(test-skip 1))
|
||
(test-equal "pivot-root"
|
||
'success!
|
||
(match (socketpair AF_UNIX SOCK_STREAM 0)
|
||
((parent . child)
|
||
(match (clone (logior CLONE_NEWUSER CLONE_NEWNS SIGCHLD))
|
||
(0
|
||
(dynamic-wind
|
||
(const #t)
|
||
(lambda ()
|
||
(close parent)
|
||
(call-with-temporary-directory
|
||
(lambda (root)
|
||
(display "ready\n" child)
|
||
(read child) ;wait for "go!"
|
||
(let ((put-old (string-append root "/real-root")))
|
||
(mount "none" root "tmpfs")
|
||
(mkdir put-old)
|
||
(call-with-output-file (string-append root "/test")
|
||
(lambda (port)
|
||
(display "testing\n" port)))
|
||
(pivot-root root put-old)
|
||
;; The test file should now be located inside the root directory.
|
||
(write (and (file-exists? "/test") 'success!) child)
|
||
(close child)))))
|
||
(lambda ()
|
||
(primitive-exit 0))))
|
||
(pid
|
||
(close child)
|
||
(match (read parent)
|
||
('ready
|
||
;; Set up the UID/GID mapping so that we can mkdir on the tmpfs:
|
||
;; <https://bugzilla.kernel.org/show_bug.cgi?id=183461>.
|
||
(call-with-output-file (format #f "/proc/~d/setgroups" pid)
|
||
(lambda (port)
|
||
(display "deny" port)))
|
||
(call-with-output-file (format #f "/proc/~d/uid_map" pid)
|
||
(lambda (port)
|
||
(format port "0 ~d 1" (getuid))))
|
||
(call-with-output-file (format #f "/proc/~d/gid_map" pid)
|
||
(lambda (port)
|
||
(format port "0 ~d 1" (getgid))))
|
||
(display "go!\n" parent)
|
||
(let ((result (read parent)))
|
||
(close parent)
|
||
(and (zero? (match (waitpid pid)
|
||
((_ . status)
|
||
(status:exit-val status))))
|
||
result)))))))))
|
||
|
||
(test-equal "scandir*, ENOENT"
|
||
ENOENT
|
||
(catch 'system-error
|
||
(lambda ()
|
||
(scandir* "/does/not/exist"))
|
||
(lambda args
|
||
(system-error-errno args))))
|
||
|
||
(test-equal "scandir*, ASCII file names"
|
||
(scandir (dirname (search-path %load-path "guix/base32.scm"))
|
||
(const #t) string<?)
|
||
(match (scandir* (dirname (search-path %load-path "guix/base32.scm")))
|
||
(((names . properties) ...)
|
||
names)))
|
||
|
||
(test-equal "scandir*, UTF-8 file names"
|
||
'("." ".." "α" "λ")
|
||
(call-with-temporary-directory
|
||
(lambda (directory)
|
||
;; Wrap 'creat' to make sure that we really pass a UTF-8-encoded file
|
||
;; name to the system call.
|
||
(let ((creat (pointer->procedure int
|
||
(dynamic-func "creat" (dynamic-link))
|
||
(list '* int))))
|
||
(creat (string->pointer (string-append directory "/α")
|
||
"UTF-8")
|
||
#o644)
|
||
(creat (string->pointer (string-append directory "/λ")
|
||
"UTF-8")
|
||
#o644)
|
||
(let ((locale (setlocale LC_ALL)))
|
||
(dynamic-wind
|
||
(lambda ()
|
||
;; Make sure that even in a C locale we get the right result.
|
||
(setlocale LC_ALL "C"))
|
||
(lambda ()
|
||
(match (scandir* directory)
|
||
(((names . properties) ...)
|
||
names)))
|
||
(lambda ()
|
||
(setlocale LC_ALL locale))))))))
|
||
|
||
(test-assert "scandir*, properties"
|
||
(let ((directory (dirname (search-path %load-path "guix/base32.scm"))))
|
||
(every (lambda (entry name)
|
||
(match entry
|
||
((name2 . properties)
|
||
(and (string=? name2 name)
|
||
(let* ((full (string-append directory "/" name))
|
||
(stat (lstat full))
|
||
(inode (assoc-ref properties 'inode))
|
||
(type (assoc-ref properties 'type)))
|
||
(and (= inode (stat:ino stat))
|
||
(or (eq? type 'unknown)
|
||
(eq? type (stat:type stat)))))))))
|
||
(scandir* directory)
|
||
(scandir directory (const #t) string<?))))
|
||
|
||
(false-if-exception (delete-file temp-file))
|
||
(test-assert "getxattr, setxattr"
|
||
(let ((key "user.translator")
|
||
(value "/hurd/pfinet\0")
|
||
(file (open-file temp-file "w0")))
|
||
(catch 'system-error
|
||
(lambda ()
|
||
(setxattr temp-file key value)
|
||
(string=? (getxattr temp-file key) value))
|
||
(lambda args
|
||
;; Accept ENOTSUP, if the file-system does not support extended user
|
||
;; attributes.
|
||
(memv (system-error-errno args) (list ENOTSUP))))))
|
||
|
||
(false-if-exception (delete-file temp-file))
|
||
(test-equal "fcntl-flock wait"
|
||
42 ; the child's exit status
|
||
(let ((file (open-file temp-file "w0b")))
|
||
;; Acquire an exclusive lock.
|
||
(fcntl-flock file 'write-lock)
|
||
(match (primitive-fork)
|
||
(0
|
||
(dynamic-wind
|
||
(const #t)
|
||
(lambda ()
|
||
;; Reopen FILE read-only so we can have a read lock.
|
||
(let ((file (open-file temp-file "r0b")))
|
||
;; Wait until we can acquire the lock.
|
||
(fcntl-flock file 'read-lock)
|
||
(primitive-exit (read file)))
|
||
(primitive-exit 1))
|
||
(lambda ()
|
||
(primitive-exit 2))))
|
||
(pid
|
||
;; Write garbage and wait.
|
||
(display "hello, world!" file)
|
||
(force-output file)
|
||
(sleep 1)
|
||
|
||
;; Write the real answer.
|
||
(seek file 0 SEEK_SET)
|
||
(truncate-file file 0)
|
||
(write 42 file)
|
||
(force-output file)
|
||
|
||
;; Unlock, which should let the child continue.
|
||
(fcntl-flock file 'unlock)
|
||
|
||
(match (waitpid pid)
|
||
((_ . status)
|
||
(let ((result (status:exit-val status)))
|
||
(close-port file)
|
||
result)))))))
|
||
|
||
(test-equal "fcntl-flock non-blocking"
|
||
EAGAIN ; the child's exit status
|
||
(match (pipe)
|
||
((input . output)
|
||
(match (primitive-fork)
|
||
(0
|
||
(dynamic-wind
|
||
(const #t)
|
||
(lambda ()
|
||
(close-port output)
|
||
|
||
;; Wait for the green light.
|
||
(read-char input)
|
||
|
||
;; Open FILE read-only so we can have a read lock.
|
||
(let ((file (open-file temp-file "w0")))
|
||
(catch 'flock-error
|
||
(lambda ()
|
||
;; This attempt should throw EAGAIN.
|
||
(fcntl-flock file 'write-lock #:wait? #f))
|
||
(lambda (key errno)
|
||
(primitive-exit (pk 'errno errno)))))
|
||
(primitive-exit -1))
|
||
(lambda ()
|
||
(primitive-exit -2))))
|
||
(pid
|
||
(close-port input)
|
||
(let ((file (open-file temp-file "w0")))
|
||
;; Acquire an exclusive lock.
|
||
(fcntl-flock file 'write-lock)
|
||
|
||
;; Tell the child to continue.
|
||
(write 'green-light output)
|
||
(force-output output)
|
||
|
||
(match (waitpid pid)
|
||
((_ . status)
|
||
(let ((result (status:exit-val status)))
|
||
(fcntl-flock file 'unlock)
|
||
(close-port file)
|
||
result)))))))))
|
||
|
||
(test-equal "set-thread-name"
|
||
"Syscall Test"
|
||
(let ((name (thread-name)))
|
||
(set-thread-name "Syscall Test")
|
||
(let ((new-name (thread-name)))
|
||
(set-thread-name name)
|
||
new-name)))
|
||
|
||
(test-assert "all-network-interface-names"
|
||
(match (all-network-interface-names)
|
||
(((? string? names) ..1)
|
||
(member "lo" names))))
|
||
|
||
(test-assert "network-interface-names"
|
||
(match (remove (lambda (interface)
|
||
;; Ignore interface aliases since they don't show up in
|
||
;; (all-network-interface-names).
|
||
(string-contains interface ":"))
|
||
(network-interface-names))
|
||
(((? string? names) ..1)
|
||
(lset<= string=? names (all-network-interface-names)))))
|
||
|
||
(test-assert "network-interface-flags"
|
||
(let* ((sock (socket AF_INET SOCK_STREAM 0))
|
||
(flags (network-interface-flags sock "lo")))
|
||
(close-port sock)
|
||
(and (not (zero? (logand flags IFF_LOOPBACK)))
|
||
(not (zero? (logand flags IFF_UP))))))
|
||
|
||
(test-equal "loopback-network-interface?"
|
||
ENODEV
|
||
(and (loopback-network-interface? "lo")
|
||
(catch 'system-error
|
||
(lambda ()
|
||
(loopback-network-interface? "nonexistent")
|
||
#f)
|
||
(lambda args
|
||
(system-error-errno args)))))
|
||
|
||
(test-equal "loopback-network-interface-running?"
|
||
ENODEV
|
||
(and (network-interface-running? "lo")
|
||
(catch 'system-error
|
||
(lambda ()
|
||
(network-interface-running? "nonexistent")
|
||
#f)
|
||
(lambda args
|
||
(system-error-errno args)))))
|
||
|
||
(test-skip (if (zero? (getuid)) 1 0))
|
||
(test-assert "set-network-interface-flags"
|
||
(let ((sock (socket AF_INET SOCK_STREAM 0)))
|
||
(catch 'system-error
|
||
(lambda ()
|
||
(set-network-interface-flags sock "lo" IFF_UP))
|
||
(lambda args
|
||
(close-port sock)
|
||
;; We get EPERM with Linux 3.18ish and EACCES with 2.6.32.
|
||
(memv (system-error-errno args) (list EPERM EACCES))))))
|
||
|
||
(test-equal "network-interface-address lo"
|
||
(make-socket-address AF_INET (inet-pton AF_INET "127.0.0.1") 0)
|
||
(let* ((sock (socket AF_INET SOCK_STREAM 0))
|
||
(addr (network-interface-address sock "lo")))
|
||
(close-port sock)
|
||
addr))
|
||
|
||
(test-skip (if (zero? (getuid)) 1 0))
|
||
(test-assert "set-network-interface-address"
|
||
(let ((sock (socket AF_INET SOCK_STREAM 0)))
|
||
(catch 'system-error
|
||
(lambda ()
|
||
(set-network-interface-address sock "nonexistent"
|
||
(make-socket-address
|
||
AF_INET
|
||
(inet-pton AF_INET "127.12.14.15")
|
||
0)))
|
||
(lambda args
|
||
(close-port sock)
|
||
;; We get EPERM with Linux 3.18ish and EACCES with 2.6.32.
|
||
(memv (system-error-errno args) (list EPERM EACCES))))))
|
||
|
||
(test-equal "network-interface-netmask lo"
|
||
(make-socket-address AF_INET (inet-pton AF_INET "255.0.0.0") 0)
|
||
(let* ((sock (socket AF_INET SOCK_STREAM 0))
|
||
(addr (network-interface-netmask sock "lo")))
|
||
(close-port sock)
|
||
addr))
|
||
|
||
(test-skip (if (zero? (getuid)) 1 0))
|
||
(test-assert "set-network-interface-netmask"
|
||
(let ((sock (socket AF_INET SOCK_STREAM 0)))
|
||
(catch 'system-error
|
||
(lambda ()
|
||
(set-network-interface-netmask sock "nonexistent"
|
||
(make-socket-address
|
||
AF_INET
|
||
(inet-pton AF_INET "255.0.0.0")
|
||
0)))
|
||
(lambda args
|
||
(close-port sock)
|
||
(memv (system-error-errno args) (list EPERM EACCES))))))
|
||
|
||
(test-equal "network-interfaces returns one or more interfaces"
|
||
'(#t #t #t)
|
||
(match (network-interfaces)
|
||
((interfaces ..1)
|
||
(list (every interface? interfaces)
|
||
(every string? (map interface-name interfaces))
|
||
(every (lambda (sockaddr)
|
||
;; Sometimes interfaces have no associated address.
|
||
(or (vector? sockaddr)
|
||
(not sockaddr)))
|
||
(map interface-address interfaces))))))
|
||
|
||
(test-equal "network-interfaces returns \"lo\""
|
||
(list #t (make-socket-address AF_INET (inet-pton AF_INET "127.0.0.1") 0))
|
||
(match (filter (lambda (interface)
|
||
(string=? "lo" (interface-name interface)))
|
||
(network-interfaces))
|
||
((loopbacks ..1)
|
||
(list (every (lambda (lo)
|
||
(not (zero? (logand IFF_LOOPBACK (interface-flags lo)))))
|
||
loopbacks)
|
||
(match (find (lambda (lo)
|
||
(= AF_INET (sockaddr:fam (interface-address lo))))
|
||
loopbacks)
|
||
(#f #f)
|
||
(lo (interface-address lo)))))))
|
||
|
||
(test-skip (if (zero? (getuid)) 1 0))
|
||
(test-assert "add-network-route/gateway"
|
||
(let ((sock (socket AF_INET SOCK_STREAM 0))
|
||
(gateway (make-socket-address AF_INET
|
||
(inet-pton AF_INET "192.168.0.1")
|
||
0)))
|
||
(catch 'system-error
|
||
(lambda ()
|
||
(add-network-route/gateway sock gateway))
|
||
(lambda args
|
||
(close-port sock)
|
||
(memv (system-error-errno args) (list EPERM EACCES))))))
|
||
|
||
(test-skip (if (zero? (getuid)) 1 0))
|
||
(test-assert "delete-network-route"
|
||
(let ((sock (socket AF_INET SOCK_STREAM 0))
|
||
(destination (make-socket-address AF_INET INADDR_ANY 0)))
|
||
(catch 'system-error
|
||
(lambda ()
|
||
(delete-network-route sock destination))
|
||
(lambda args
|
||
(close-port sock)
|
||
(memv (system-error-errno args) (list EPERM EACCES))))))
|
||
|
||
(test-equal "tcgetattr ENOTTY"
|
||
ENOTTY
|
||
(catch 'system-error
|
||
(lambda ()
|
||
(call-with-input-file "/dev/null"
|
||
(lambda (port)
|
||
(tcgetattr (fileno port)))))
|
||
(compose system-error-errno list)))
|
||
|
||
(test-skip (if (and (file-exists? "/proc/self/fd/0")
|
||
(string-prefix? "/dev/pts/" (readlink "/proc/self/fd/0")))
|
||
0
|
||
2))
|
||
|
||
(test-assert "tcgetattr"
|
||
(let ((termios (tcgetattr 0)))
|
||
(and (termios? termios)
|
||
(> (termios-input-speed termios) 0)
|
||
(> (termios-output-speed termios) 0))))
|
||
|
||
(test-assert "tcsetattr"
|
||
(let ((first (tcgetattr 0)))
|
||
(tcsetattr 0 (tcsetattr-action TCSANOW) first)
|
||
(equal? first (tcgetattr 0))))
|
||
|
||
(test-assert "terminal-window-size ENOTTY"
|
||
(call-with-input-file "/dev/null"
|
||
(lambda (port)
|
||
(catch 'system-error
|
||
(lambda ()
|
||
(terminal-window-size port))
|
||
(lambda args
|
||
;; Accept EINVAL, which some old Linux versions might return.
|
||
(memv (system-error-errno args)
|
||
(list ENOTTY EINVAL)))))))
|
||
|
||
(test-assert "terminal-columns"
|
||
(> (terminal-columns) 0))
|
||
|
||
(test-assert "terminal-columns non-file port"
|
||
(> (terminal-columns (open-input-string "Join us now, share the software!"))
|
||
0))
|
||
|
||
(test-assert "terminal-rows"
|
||
(> (terminal-rows) 0))
|
||
|
||
(test-assert "openpty"
|
||
(let ((head inferior (openpty)))
|
||
(and (integer? head) (integer? inferior)
|
||
(let ((port (fdopen inferior "r+0")))
|
||
(and (isatty? port)
|
||
(begin
|
||
(close-port port)
|
||
(close-fdes head)
|
||
#t))))))
|
||
|
||
(test-equal "openpty + login-tty"
|
||
'(hello world)
|
||
(let ((head inferior (openpty)))
|
||
(match (primitive-fork)
|
||
(0
|
||
(dynamic-wind
|
||
(const #t)
|
||
(lambda ()
|
||
(setvbuf (current-input-port) 'none)
|
||
(close-fdes head)
|
||
(login-tty inferior)
|
||
(write (read))
|
||
(read)) ;this gets EIO when HEAD is closed
|
||
(lambda ()
|
||
(primitive-_exit 42))))
|
||
(pid
|
||
(close-fdes inferior)
|
||
(let ((head (fdopen head "r+0")))
|
||
(write '(hello world) head)
|
||
(let ((result (read head)))
|
||
(close-port head)
|
||
(waitpid pid)
|
||
result))))))
|
||
|
||
(test-assert "utmpx-entries"
|
||
(match (utmpx-entries)
|
||
(((? utmpx? entries) ...)
|
||
(every (lambda (entry)
|
||
(match (utmpx-user entry)
|
||
((? string?)
|
||
;; Ensure we have a valid PID for those entries where it
|
||
;; makes sense.
|
||
(or (not (memv (utmpx-login-type entry)
|
||
(list (login-type INIT_PROCESS)
|
||
(login-type LOGIN_PROCESS)
|
||
(login-type USER_PROCESS))))
|
||
(> (utmpx-pid entry) 0)))
|
||
(#f ;might be DEAD_PROCESS
|
||
#t)))
|
||
entries))))
|
||
|
||
(test-assert "read-utmpx, EOF"
|
||
(eof-object? (read-utmpx (%make-void-port "r"))))
|
||
|
||
(unless (access? "/var/run/utmpx" O_RDONLY)
|
||
(test-skip 1))
|
||
(test-assert "read-utmpx"
|
||
(let ((result (call-with-input-file "/var/run/utmpx" read-utmpx)))
|
||
(or (utmpx? result) (eof-object? result))))
|
||
|
||
(when (zero? (getuid))
|
||
(test-skip 1))
|
||
(test-equal "add-to-entropy-count"
|
||
EPERM
|
||
(call-with-output-file "/dev/urandom"
|
||
(lambda (port)
|
||
(catch 'system-error
|
||
(lambda ()
|
||
(add-to-entropy-count port 77)
|
||
#f)
|
||
(lambda args
|
||
(system-error-errno args))))))
|
||
|
||
(test-end)
|
||
|
||
(false-if-exception (delete-file temp-file))
|