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29fa45f4 | 1 | ;;; GNU Guix --- Functional package management for GNU |
d35c5e29 | 2 | ;;; Copyright © 2014, 2015 Ludovic Courtès <ludo@gnu.org> |
b4abdeb6 | 3 | ;;; Copyright © 2015 David Thompson <davet@gnu.org> |
29fa45f4 LC |
4 | ;;; |
5 | ;;; This file is part of GNU Guix. | |
6 | ;;; | |
7 | ;;; GNU Guix is free software; you can redistribute it and/or modify it | |
8 | ;;; under the terms of the GNU General Public License as published by | |
9 | ;;; the Free Software Foundation; either version 3 of the License, or (at | |
10 | ;;; your option) any later version. | |
11 | ;;; | |
12 | ;;; GNU Guix is distributed in the hope that it will be useful, but | |
13 | ;;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | ;;; GNU General Public License for more details. | |
16 | ;;; | |
17 | ;;; You should have received a copy of the GNU General Public License | |
18 | ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. | |
19 | ||
20 | (define-module (test-syscalls) | |
df3ce5c1 | 21 | #:use-module (guix utils) |
29fa45f4 | 22 | #:use-module (guix build syscalls) |
4d54785c | 23 | #:use-module (srfi srfi-1) |
381ac93b | 24 | #:use-module (srfi srfi-26) |
7585016f LC |
25 | #:use-module (srfi srfi-64) |
26 | #:use-module (ice-9 match)) | |
29fa45f4 LC |
27 | |
28 | ;; Test the (guix build syscalls) module, although there's not much that can | |
29 | ;; actually be tested without being root. | |
30 | ||
31 | (test-begin "syscalls") | |
32 | ||
33 | (test-equal "mount, ENOENT" | |
34 | ENOENT | |
35 | (catch 'system-error | |
36 | (lambda () | |
37 | (mount "/dev/null" "/does-not-exist" "ext2") | |
38 | #f) | |
39 | (compose system-error-errno list))) | |
40 | ||
35066aa5 | 41 | (test-assert "umount, ENOENT/EPERM" |
29fa45f4 LC |
42 | (catch 'system-error |
43 | (lambda () | |
44 | (umount "/does-not-exist") | |
45 | #f) | |
35066aa5 LC |
46 | (lambda args |
47 | ;; Both return values have been encountered in the wild. | |
48 | (memv (system-error-errno args) (list EPERM ENOENT))))) | |
29fa45f4 | 49 | |
ccea821b | 50 | (test-assert "mount-points" |
381ac93b LC |
51 | ;; Reportedly "/" is not always listed as a mount point, so check a few |
52 | ;; others (see <http://bugs.gnu.org/20261>.) | |
53 | (any (cute member <> (mount-points)) | |
54 | '("/" "/proc" "/sys" "/dev"))) | |
ccea821b | 55 | |
715fc9d4 LC |
56 | (test-assert "swapon, ENOENT/EPERM" |
57 | (catch 'system-error | |
58 | (lambda () | |
59 | (swapon "/does-not-exist") | |
60 | #f) | |
61 | (lambda args | |
62 | (memv (system-error-errno args) (list EPERM ENOENT))))) | |
63 | ||
2793c0fb | 64 | (test-assert "swapoff, ENOENT/EINVAL/EPERM" |
715fc9d4 LC |
65 | (catch 'system-error |
66 | (lambda () | |
67 | (swapoff "/does-not-exist") | |
68 | #f) | |
69 | (lambda args | |
2793c0fb | 70 | (memv (system-error-errno args) (list EPERM EINVAL ENOENT))))) |
715fc9d4 | 71 | |
b4abdeb6 DT |
72 | (test-assert "mkdtemp!" |
73 | (let* ((tmp (or (getenv "TMPDIR") "/tmp")) | |
74 | (dir (mkdtemp! (string-append tmp "/guix-test-XXXXXX")))) | |
75 | (and (file-exists? dir) | |
76 | (begin | |
77 | (rmdir dir) | |
78 | #t)))) | |
79 | ||
8950ed11 DT |
80 | (define (user-namespace pid) |
81 | (string-append "/proc/" (number->string pid) "/ns/user")) | |
82 | ||
b62a3ebc LC |
83 | (unless (file-exists? (user-namespace (getpid))) |
84 | (test-skip 1)) | |
8950ed11 DT |
85 | (test-assert "clone" |
86 | (match (clone (logior CLONE_NEWUSER SIGCHLD)) | |
87 | (0 (primitive-exit 42)) | |
88 | (pid | |
89 | ;; Check if user namespaces are different. | |
90 | (and (not (equal? (readlink (user-namespace pid)) | |
91 | (readlink (user-namespace (getpid))))) | |
92 | (match (waitpid pid) | |
93 | ((_ . status) | |
94 | (= 42 (status:exit-val status)))))))) | |
95 | ||
b62a3ebc LC |
96 | (unless (file-exists? (user-namespace (getpid))) |
97 | (test-skip 1)) | |
43ace6ea DT |
98 | (test-assert "setns" |
99 | (match (clone (logior CLONE_NEWUSER SIGCHLD)) | |
100 | (0 (primitive-exit 0)) | |
101 | (clone-pid | |
102 | (match (pipe) | |
103 | ((in . out) | |
104 | (match (primitive-fork) | |
105 | (0 | |
106 | (close in) | |
107 | ;; Join the user namespace. | |
108 | (call-with-input-file (user-namespace clone-pid) | |
109 | (lambda (port) | |
110 | (setns (port->fdes port) 0))) | |
111 | (write 'done out) | |
112 | (close out) | |
113 | (primitive-exit 0)) | |
114 | (fork-pid | |
115 | (close out) | |
116 | ;; Wait for the child process to join the namespace. | |
117 | (read in) | |
118 | (let ((result (and (equal? (readlink (user-namespace clone-pid)) | |
119 | (readlink (user-namespace fork-pid)))))) | |
120 | ;; Clean up. | |
121 | (waitpid clone-pid) | |
122 | (waitpid fork-pid) | |
123 | result)))))))) | |
8950ed11 | 124 | |
b62a3ebc LC |
125 | (unless (file-exists? (user-namespace (getpid))) |
126 | (test-skip 1)) | |
df3ce5c1 DT |
127 | (test-assert "pivot-root" |
128 | (match (pipe) | |
129 | ((in . out) | |
130 | (match (clone (logior CLONE_NEWUSER CLONE_NEWNS SIGCHLD)) | |
131 | (0 | |
132 | (close in) | |
133 | (call-with-temporary-directory | |
134 | (lambda (root) | |
135 | (let ((put-old (string-append root "/real-root"))) | |
136 | (mount "none" root "tmpfs") | |
137 | (mkdir put-old) | |
138 | (call-with-output-file (string-append root "/test") | |
139 | (lambda (port) | |
140 | (display "testing\n" port))) | |
141 | (pivot-root root put-old) | |
142 | ;; The test file should now be located inside the root directory. | |
143 | (write (file-exists? "/test") out) | |
144 | (close out)))) | |
145 | (primitive-exit 0)) | |
146 | (pid | |
147 | (close out) | |
148 | (let ((result (read in))) | |
149 | (close in) | |
150 | (and (zero? (match (waitpid pid) | |
151 | ((_ . status) | |
152 | (status:exit-val status)))) | |
153 | (eq? #t result)))))))) | |
154 | ||
4d54785c LC |
155 | (test-assert "all-network-interfaces" |
156 | (match (all-network-interfaces) | |
157 | (((? string? names) ..1) | |
158 | (member "lo" names)))) | |
159 | ||
7585016f LC |
160 | (test-assert "network-interfaces" |
161 | (match (network-interfaces) | |
162 | (((? string? names) ..1) | |
4d54785c | 163 | (lset<= string=? names (all-network-interfaces))))) |
7585016f | 164 | |
973eea34 | 165 | (test-assert "network-interface-flags" |
c9bf64d6 | 166 | (let* ((sock (socket AF_INET SOCK_STREAM 0)) |
973eea34 LC |
167 | (flags (network-interface-flags sock "lo"))) |
168 | (close-port sock) | |
169 | (and (not (zero? (logand flags IFF_LOOPBACK))) | |
170 | (not (zero? (logand flags IFF_UP)))))) | |
171 | ||
172 | (test-equal "loopback-network-interface?" | |
173 | ENODEV | |
174 | (and (loopback-network-interface? "lo") | |
175 | (catch 'system-error | |
176 | (lambda () | |
177 | (loopback-network-interface? "nonexistent") | |
178 | #f) | |
179 | (lambda args | |
180 | (system-error-errno args))))) | |
181 | ||
c9bf64d6 | 182 | (test-skip (if (zero? (getuid)) 1 0)) |
d35c5e29 | 183 | (test-assert "set-network-interface-flags" |
c9bf64d6 LC |
184 | (let ((sock (socket AF_INET SOCK_STREAM 0))) |
185 | (catch 'system-error | |
186 | (lambda () | |
187 | (set-network-interface-flags sock "lo" IFF_UP)) | |
188 | (lambda args | |
189 | (close-port sock) | |
d35c5e29 LC |
190 | ;; We get EPERM with Linux 3.18ish and EACCES with 2.6.32. |
191 | (memv (system-error-errno args) (list EPERM EACCES)))))) | |
c9bf64d6 LC |
192 | |
193 | (test-equal "network-interface-address lo" | |
194 | (make-socket-address AF_INET (inet-pton AF_INET "127.0.0.1") 0) | |
195 | (let* ((sock (socket AF_INET SOCK_STREAM 0)) | |
196 | (addr (network-interface-address sock "lo"))) | |
197 | (close-port sock) | |
198 | addr)) | |
199 | ||
d35c5e29 | 200 | (test-assert "set-network-interface-address" |
c9bf64d6 LC |
201 | (let ((sock (socket AF_INET SOCK_STREAM 0))) |
202 | (catch 'system-error | |
203 | (lambda () | |
204 | (set-network-interface-address sock "nonexistent" | |
205 | (make-socket-address | |
206 | AF_INET | |
207 | (inet-pton AF_INET "127.12.14.15") | |
208 | 0))) | |
209 | (lambda args | |
210 | (close-port sock) | |
d35c5e29 LC |
211 | ;; We get EPERM with Linux 3.18ish and EACCES with 2.6.32. |
212 | (memv (system-error-errno args) (list EPERM EACCES)))))) | |
c9bf64d6 | 213 | |
29fa45f4 LC |
214 | (test-end) |
215 | ||
216 | \f | |
217 | (exit (= (test-runner-fail-count (test-runner-current)) 0)) |