1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
# base-passwd-cross provides the default passwd and group files in the
# target sysroot, and shadow -native and -sysroot provide the utilities
# and support files needed to add and modify user and group accounts
DEPENDS_append = "${USERADDDEPENDS}"
USERADDDEPENDS = " base-passwd shadow-native shadow-sysroot shadow"
USERADDDEPENDS_virtclass-cross = ""
USERADDDEPENDS_virtclass-native = ""
USERADDDEPENDS_virtclass-nativesdk = ""
# This preinstall function can be run in four different contexts:
#
# a) Before do_install
# b) At do_populate_sysroot_setscene when installing from sstate packages
# c) As the preinst script in the target package at do_rootfs time
# d) As the preinst script in the target package on device as a package upgrade
#
useradd_preinst () {
OPT=""
SYSROOT=""
if test "x$D" != "x"; then
# Installing into a sysroot
SYSROOT="$D"
OPT="--root $D"
# Add groups and users defined for all recipe packages
GROUPADD_PARAM="${@get_all_cmd_params(d, 'group')}"
USERADD_PARAM="${@get_all_cmd_params(d, 'user')}"
else
# Installing onto a target
# Add groups and users defined only for this package
GROUPADD_PARAM="${GROUPADD_PARAM}"
USERADD_PARAM="${USERADD_PARAM}"
fi
# Perform group additions first, since user additions may depend
# on these groups existing
if test "x$GROUPADD_PARAM" != "x"; then
echo "Running groupadd commands..."
# Invoke multiple instances of groupadd for parameter lists
# separated by ';'
opts=`echo "$GROUPADD_PARAM" | cut -d ';' -f 1`
remaining=`echo "$GROUPADD_PARAM" | cut -d ';' -f 2-`
while test "x$opts" != "x"; do
groupname=`echo "$opts" | awk '{ print $NF }'`
group_exists=`grep "^$groupname:" $SYSROOT/etc/group || true`
if test "x$group_exists" = "x"; then
eval $PSEUDO groupadd $OPT $opts
else
echo "Note: group $groupname already exists, not re-creating it"
fi
if test "x$opts" = "x$remaining"; then
break
fi
opts=`echo "$remaining" | cut -d ';' -f 1`
remaining=`echo "$remaining" | cut -d ';' -f 2-`
done
fi
if test "x$USERADD_PARAM" != "x"; then
echo "Running useradd commands..."
# Invoke multiple instances of useradd for parameter lists
# separated by ';'
opts=`echo "$USERADD_PARAM" | cut -d ';' -f 1`
remaining=`echo "$USERADD_PARAM" | cut -d ';' -f 2-`
while test "x$opts" != "x"; do
# useradd does not have a -f option, so we have to check if the
# username already exists manually
username=`echo "$opts" | awk '{ print $NF }'`
user_exists=`grep "^$username:" $SYSROOT/etc/passwd || true`
if test "x$user_exists" = "x"; then
eval $PSEUDO useradd $OPT $opts
else
echo "Note: username $username already exists, not re-creating it"
fi
if test "x$opts" = "x$remaining"; then
break
fi
opts=`echo "$remaining" | cut -d ';' -f 1`
remaining=`echo "$remaining" | cut -d ';' -f 2-`
done
fi
}
useradd_sysroot () {
# Pseudo may (do_install) or may not (do_populate_sysroot_setscene) be running
# at this point so we're explicit about the environment so pseudo can load if
# not already present.
export PSEUDO="${FAKEROOTENV} PSEUDO_LOCALSTATEDIR=${STAGING_DIR_TARGET}${localstatedir}/pseudo ${STAGING_DIR_NATIVE}${bindir}/pseudo"
# Explicitly set $D since it isn't set to anything
# before do_install
D=${STAGING_DIR_TARGET}
useradd_preinst
}
useradd_sysroot_sstate () {
if [ "${BB_CURRENTTASK}" = "package_setscene" ]
then
useradd_sysroot
fi
}
do_install[prefuncs] += "${SYSROOTFUNC}"
SYSROOTFUNC = "useradd_sysroot"
SYSROOTFUNC_virtclass-cross = ""
SYSROOTFUNC_virtclass-native = ""
SYSROOTFUNC_virtclass-nativesdk = ""
SSTATEPREINSTFUNCS += "${SYSROOTPOSTFUNC}"
SYSROOTPOSTFUNC = "useradd_sysroot_sstate"
SYSROOTPOSTFUNC_virtclass-cross = ""
SYSROOTPOSTFUNC_virtclass-native = ""
SYSROOTPOSTFUNC_virtclass-nativesdk = ""
USERADDSETSCENEDEPS = "base-passwd:do_populate_sysroot_setscene shadow-native:do_populate_sysroot_setscene shadow-sysroot:do_populate_sysroot_setscene"
USERADDSETSCENEDEPS_virtclass-cross = ""
USERADDSETSCENEDEPS_virtclass-native = ""
USERADDSETSCENEDEPS_virtclass-nativesdk = ""
do_package_setscene[depends] = "${USERADDSETSCENEDEPS}"
# Recipe parse-time sanity checks
def update_useradd_after_parse(d):
useradd_packages = d.getVar('USERADD_PACKAGES', True)
if not useradd_packages:
raise bb.build.FuncFailed, "%s inherits useradd but doesn't set USERADD_PACKAGES" % d.getVar('FILE')
for pkg in useradd_packages.split():
if not d.getVar('USERADD_PARAM_%s' % pkg, True) and not d.getVar('GROUPADD_PARAM_%s' % pkg, True):
raise bb.build.FuncFailed, "%s inherits useradd but doesn't set USERADD_PARAM or GROUPADD_PARAM for package %s" % (d.getVar('FILE'), pkg)
python __anonymous() {
update_useradd_after_parse(d)
}
# Return a single [GROUP|USER]ADD_PARAM formatted string which includes the
# [group|user]add parameters for all USERADD_PACKAGES in this recipe
def get_all_cmd_params(d, cmd_type):
import string
param_type = cmd_type.upper() + "ADD_PARAM_%s"
params = []
useradd_packages = d.getVar('USERADD_PACKAGES', True) or ""
for pkg in useradd_packages.split():
param = d.getVar(param_type % pkg, True)
if param:
params.append(param)
return string.join(params, "; ")
# Adds the preinst script into generated packages
fakeroot python populate_packages_prepend () {
def update_useradd_package(pkg):
bb.debug(1, 'adding user/group calls to preinst for %s' % pkg)
"""
useradd preinst is appended here because pkg_preinst may be
required to execute on the target. Not doing so may cause
useradd preinst to be invoked twice, causing unwanted warnings.
"""
preinst = d.getVar('pkg_preinst_%s' % pkg, True) or d.getVar('pkg_preinst', True)
if not preinst:
preinst = '#!/bin/sh\n'
preinst += d.getVar('useradd_preinst', True)
d.setVar('pkg_preinst_%s' % pkg, preinst)
# RDEPENDS setup
rdepends = d.getVar("RDEPENDS_%s" % pkg, True) or ""
rdepends += " base-passwd shadow"
d.setVar("RDEPENDS_%s" % pkg, rdepends)
# Add the user/group preinstall scripts and RDEPENDS requirements
# to packages specified by USERADD_PACKAGES
if not bb.data.inherits_class('nativesdk', d):
useradd_packages = d.getVar('USERADD_PACKAGES', True) or ""
for pkg in useradd_packages.split():
update_useradd_package(pkg)
}
|
