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meson: make nologin path build time configurable

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Some distros install nologin as /usr/sbin/nologin, others as
/sbin/nologin.
Since we can't really on merged-usr everywhere (where the path wouldn't
matter), make the path build time configurable via -Dnologin-path=.

Closes #13028
This commit is contained in:
Michael Biebl 2019-07-18 01:24:00 +02:00
parent ea582a0f1b
commit 6db904625d
22 changed files with 61 additions and 52 deletions
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4
man/nss-mymachines.xml
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@ -98,8 +98,8 @@ MACHINE CLASS SERVICE OS VERSION ADDRESSES
rawhide container systemd-nspawn fedora 30 169.254.40.164 fe80::94aa:3aff:fe7b:d4b9
$ getent passwd vu-rawhide-0 vu-rawhide-81
vu-rawhide-0:*:20119552:65534:vu-rawhide-0:/:/sbin/nologin
vu-rawhide-81:*:20119633:65534:vu-rawhide-81:/:/sbin/nologin
vu-rawhide-0:*:20119552:65534:vu-rawhide-0:/:/usr/sbin/nologin
vu-rawhide-81:*:20119633:65534:vu-rawhide-81:/:/usr/sbin/nologin
$ getent group vg-rawhide-0 vg-rawhide-81
vg-rawhide-0:*:20119552:

4
man/sysusers.d.xml
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@ -206,12 +206,12 @@ u root 0 "Superuser" /root /bin/zsh</pro
<title>Shell</title>
<para>The login shell of the user. If not specified, this will be set to
<filename>/sbin/nologin</filename>, except if the UID of the user is 0, in
<filename>/usr/sbin/nologin</filename>, except if the UID of the user is 0, in
which case <filename>/bin/sh</filename> will be used.</para>
<para>Only applies to lines of type <varname>u</varname> and should otherwise
be left unset (or <literal>-</literal>). It is recommended to omit this, unless
a shell different <filename>/sbin/nologin</filename> must be used.</para>
a shell different <filename>/usr/sbin/nologin</filename> must be used.</para>
</refsect2>
</refsect1>

1
meson.build
View File

@ -558,6 +558,7 @@ progs = [['quotaon', '/usr/sbin/quotaon' ],
['umount', '/usr/bin/umount', 'UMOUNT_PATH'],
['loadkeys', '/usr/bin/loadkeys', 'KBD_LOADKEYS'],
['setfont', '/usr/bin/setfont', 'KBD_SETFONT'],
['nologin', '/usr/sbin/nologin', ],
]
foreach prog : progs
path = get_option(prog[0] + '-path')

1
meson_options.txt
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@ -41,6 +41,7 @@ option('mount-path', type : 'string', description : 'path to mount')
option('umount-path', type : 'string', description : 'path to umount')
option('loadkeys-path', type : 'string', description : 'path to loadkeys')
option('setfont-path', type : 'string', description : 'path to setfont')
option('nologin-path', type : 'string', description : 'path to nologin')
option('debug-shell', type : 'string', value : '/bin/sh',
description : 'path to debug shell binary')

4
src/basic/user-util.c
View File

@ -148,7 +148,7 @@ static int synthesize_user_creds(
*home = FLAGS_SET(flags, USER_CREDS_CLEAN) ? NULL : "/";
if (shell)
*shell = FLAGS_SET(flags, USER_CREDS_CLEAN) ? NULL : "/sbin/nologin";
*shell = FLAGS_SET(flags, USER_CREDS_CLEAN) ? NULL : NOLOGIN;
return 0;
}
@ -538,7 +538,7 @@ int get_shell(char **_s) {
}
if (synthesize_nobody() &&
u == UID_NOBODY) {
s = strdup("/sbin/nologin");
s = strdup(NOLOGIN);
if (!s)
return -ENOMEM;

4
src/nss-mymachines/nss-mymachines.c
View File

@ -503,7 +503,7 @@ enum nss_status _nss_mymachines_getpwnam_r(
pwd->pw_gecos = buffer;
pwd->pw_passwd = (char*) "*"; /* locked */
pwd->pw_dir = (char*) "/";
pwd->pw_shell = (char*) "/sbin/nologin";
pwd->pw_shell = (char*) NOLOGIN;
return NSS_STATUS_SUCCESS;
@ -583,7 +583,7 @@ enum nss_status _nss_mymachines_getpwuid_r(
pwd->pw_gecos = buffer;
pwd->pw_passwd = (char*) "*"; /* locked */
pwd->pw_dir = (char*) "/";
pwd->pw_shell = (char*) "/sbin/nologin";
pwd->pw_shell = (char*) NOLOGIN;
return NSS_STATUS_SUCCESS;

4
src/nss-systemd/nss-systemd.c
View File

@ -24,7 +24,7 @@
#define DYNAMIC_USER_GECOS "Dynamic User"
#define DYNAMIC_USER_PASSWD "*" /* locked */
#define DYNAMIC_USER_DIR "/"
#define DYNAMIC_USER_SHELL "/sbin/nologin"
#define DYNAMIC_USER_SHELL NOLOGIN
static const struct passwd root_passwd = {
.pw_name = (char*) "root",
@ -43,7 +43,7 @@ static const struct passwd nobody_passwd = {
.pw_gid = GID_NOBODY,
.pw_gecos = (char*) "User Nobody",
.pw_dir = (char*) "/",
.pw_shell = (char*) "/sbin/nologin",
.pw_shell = (char*) NOLOGIN,
};
static const struct group root_group = {

2
src/sysusers/sysusers.c
View File

@ -361,7 +361,7 @@ static int rename_and_apply_smack(const char *temp_path, const char *dest_path)
}
static const char* default_shell(uid_t uid) {
return uid == 0 ? "/bin/sh" : "/sbin/nologin";
return uid == 0 ? "/bin/sh" : NOLOGIN;
}
static int write_temporary_passwd(const char *passwd_path, FILE **tmpfile, char **tmpfile_path) {

4
src/test/test-user-util.c
View File

@ -219,8 +219,8 @@ int main(int argc, char *argv[]) {
test_get_user_creds_one("root", "root", 0, 0, "/root", "/bin/sh");
test_get_user_creds_one("0", "root", 0, 0, "/root", "/bin/sh");
test_get_user_creds_one(NOBODY_USER_NAME, NOBODY_USER_NAME, UID_NOBODY, GID_NOBODY, "/", "/sbin/nologin");
test_get_user_creds_one("65534", NOBODY_USER_NAME, UID_NOBODY, GID_NOBODY, "/", "/sbin/nologin");
test_get_user_creds_one(NOBODY_USER_NAME, NOBODY_USER_NAME, UID_NOBODY, GID_NOBODY, "/", NOLOGIN);
test_get_user_creds_one("65534", NOBODY_USER_NAME, UID_NOBODY, GID_NOBODY, "/", NOLOGIN);
test_get_group_creds_one("root", "root", 0);
test_get_group_creds_one("0", "root", 0);

2
test/TEST-21-SYSUSERS/test-1.expected-passwd
View File

@ -1 +1 @@
u1:x:222:222::/:/sbin/nologin
u1:x:222:222::/:NOLOGIN

4
test/TEST-21-SYSUSERS/test-10.expected-passwd
View File

@ -1,2 +1,2 @@
u1:x:300:300::/:/sbin/nologin
u2:x:SYSTEM_UID_MAX:SYSTEM_UID_MAX::/:/sbin/nologin
u1:x:300:300::/:NOLOGIN
u2:x:SYSTEM_UID_MAX:SYSTEM_UID_MAX::/:NOLOGIN

2
test/TEST-21-SYSUSERS/test-11.expected-passwd
View File

@ -2,5 +2,5 @@ root:x:0:0:root:/root:/bin/bash
systemd-network:x:492:492:Systemd Network Management:/:/usr/sbin/nologin
systemd-resolve:x:491:491:Systemd Resolver:/:/usr/sbin/nologin
systemd-timesync:x:493:493:Systemd Time Synchronization:/:/usr/sbin/nologin
u1:x:222:222::/:/sbin/nologin
u1:x:222:222::/:NOLOGIN
+::::::

2
test/TEST-21-SYSUSERS/test-12.expected-passwd
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@ -1,2 +1,2 @@
root:x:0:0:root:/root:/bin/bash
systemd-coredump:x:1:1:systemd Core Dumper:/:/sbin/nologin
systemd-coredump:x:1:1:systemd Core Dumper:/:NOLOGIN

2
test/TEST-21-SYSUSERS/test-2.expected-passwd
View File

@ -1,4 +1,4 @@
u1:x:SYSTEM_UID_MAX:SYSTEM_UID_MAX:some gecos:/random/dir:/sbin/nologin
u1:x:SYSTEM_UID_MAX:SYSTEM_UID_MAX:some gecos:/random/dir:NOLOGIN
u2:x:777:777:some gecos:/random/dir:/bin/zsh
u3:x:778:778::/random/dir2:/bin/bash
u4:x:779:779::/:/bin/csh

8
test/TEST-21-SYSUSERS/test-3.expected-passwd
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@ -1,4 +1,4 @@
foo:x:301:301::/:/sbin/nologin
aaa:x:303:302::/:/sbin/nologin
bbb:x:304:302::/:/sbin/nologin
ccc:x:305:305::/:/sbin/nologin
foo:x:301:301::/:NOLOGIN
aaa:x:303:302::/:NOLOGIN
bbb:x:304:302::/:NOLOGIN
ccc:x:305:305::/:NOLOGIN

4
test/TEST-21-SYSUSERS/test-4.expected-passwd
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@ -1,2 +1,2 @@
yyy:x:311:310::/:/sbin/nologin
xxx:x:312:310::/:/sbin/nologin
yyy:x:311:310::/:NOLOGIN
xxx:x:312:310::/:NOLOGIN

34
test/TEST-21-SYSUSERS/test-5.expected-passwd
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@ -1,18 +1,18 @@
root:x:0:0::/root:/bin/sh
daemon:x:1:1::/usr/sbin:/sbin/nologin
bin:x:2:2::/bin:/sbin/nologin
sys:x:3:3::/dev:/sbin/nologin
sync:x:4:65534::/bin:/sbin/nologin
games:x:5:60::/usr/games:/sbin/nologin
man:x:6:12::/var/cache/man:/sbin/nologin
lp:x:7:7::/var/spool/lpd:/sbin/nologin
mail:x:8:8::/var/mail:/sbin/nologin
news:x:9:9::/var/spool/news:/sbin/nologin
uucp:x:10:10::/var/spool/uucp:/sbin/nologin
proxy:x:13:13::/bin:/sbin/nologin
www-data:x:33:33::/var/www:/sbin/nologin
backup:x:34:34::/var/backups:/sbin/nologin
list:x:38:38::/var/list:/sbin/nologin
irc:x:39:39::/var/run/ircd:/sbin/nologin
gnats:x:41:41::/var/lib/gnats:/sbin/nologin
nobody:x:65534:65534::/nonexistent:/sbin/nologin
daemon:x:1:1::/usr/sbin:NOLOGIN
bin:x:2:2::/bin:NOLOGIN
sys:x:3:3::/dev:NOLOGIN
sync:x:4:65534::/bin:NOLOGIN
games:x:5:60::/usr/games:NOLOGIN
man:x:6:12::/var/cache/man:NOLOGIN
lp:x:7:7::/var/spool/lpd:NOLOGIN
mail:x:8:8::/var/mail:NOLOGIN
news:x:9:9::/var/spool/news:NOLOGIN
uucp:x:10:10::/var/spool/uucp:NOLOGIN
proxy:x:13:13::/bin:NOLOGIN
www-data:x:33:33::/var/www:NOLOGIN
backup:x:34:34::/var/backups:NOLOGIN
list:x:38:38::/var/list:NOLOGIN
irc:x:39:39::/var/run/ircd:NOLOGIN
gnats:x:41:41::/var/lib/gnats:NOLOGIN
nobody:x:65534:65534::/nonexistent:NOLOGIN

2
test/TEST-21-SYSUSERS/test-6.expected-passwd
View File

@ -1 +1 @@
u1:x:SYSTEM_UID_MAX:SYSTEM_UID_MAX::/:/sbin/nologin
u1:x:SYSTEM_UID_MAX:SYSTEM_UID_MAX::/:NOLOGIN

10
test/TEST-21-SYSUSERS/test-7.expected-passwd
View File

@ -1,5 +1,5 @@
bin:x:1:1::/:/sbin/nologin
daemon:x:2:2::/:/sbin/nologin
mail:x:8:12::/var/spool/mail:/sbin/nologin
ftp:x:14:11::/srv/ftp:/sbin/nologin
http:x:33:33::/srv/http:/sbin/nologin
bin:x:1:1::/:NOLOGIN
daemon:x:2:2::/:NOLOGIN
mail:x:8:12::/var/spool/mail:NOLOGIN
ftp:x:14:11::/srv/ftp:NOLOGIN
http:x:33:33::/srv/http:NOLOGIN

2
test/TEST-21-SYSUSERS/test-8.expected-passwd
View File

@ -1 +1 @@
username:x:SYSTEM_UID_MAX:300::/:/sbin/nologin
username:x:SYSTEM_UID_MAX:300::/:NOLOGIN

4
test/TEST-21-SYSUSERS/test-9.expected-passwd
View File

@ -1,2 +1,2 @@
user1:x:300:300::/:/sbin/nologin
user2:x:SYSTEM_UID_MAX:300::/:/sbin/nologin
user1:x:300:300::/:NOLOGIN
user2:x:SYSTEM_UID_MAX:300::/:NOLOGIN

9
test/TEST-21-SYSUSERS/test.sh
View File

@ -23,7 +23,14 @@ preprocess() {
# get this value from config.h, however the autopkgtest fails with
# it
SYSTEM_UID_MAX=$(awk 'BEGIN { uid=999 } /^\s*SYS_UID_MAX\s+/ { uid=$2 } END { print uid }' /etc/login.defs)
sed "s/SYSTEM_UID_MAX/${SYSTEM_UID_MAX}/g" "$in"
# we can't rely on config.h to get the nologin path, as autopkgtest
# uses pre-compiled binaries, so extract it from the systemd-sysusers
# binary which we are about to execute
NOLOGIN=$(strings $(type -p systemd-sysusers) | grep nologin)
sed -e "s/SYSTEM_UID_MAX/${SYSTEM_UID_MAX}/g" \
-e "s#NOLOGIN#${NOLOGIN}#g" "$in"
}
compare() {