blob: 2516fa896587c3bec789858bb4e1c8e19af8cb98 (
plain)
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
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
|
# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
# @ECLASS: pam.eclass
# @MAINTAINER:
# base-system@gentoo.org
# @AUTHOR:
# Diego Pettenò <flameeyes@gentoo.org>
# @SUPPORTED_EAPIS: 7 8
# @BLURB: Handles pam related tasks
# @DESCRIPTION:
# This eclass contains functions to install pamd configuration files and
# pam modules.
case ${EAPI} in
7|8) ;;
*) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;;
esac
if [[ -z ${_PAM_ECLASS} ]]; then
_PAM_ECLASS=1
inherit flag-o-matic
# @FUNCTION: _pam_flag_disabled
# @INTERNAL
# @DESCRIPTION:
# Check whether pam support is disabled.
_pam_flag_disabled() {
in_iuse pam && ! use pam
}
# @FUNCTION: dopamd
# @USAGE: <file> [more files]
# @DESCRIPTION:
# Install pam auth config file in /etc/pam.d
dopamd() {
[[ -z $1 ]] && die "dopamd requires at least one argument"
_pam_flag_disabled && return 0
( # dont want to pollute calling env
insinto /etc/pam.d
insopts -m 0644
doins "$@"
)
cleanpamd "$@"
}
# @FUNCTION: newpamd
# @USAGE: <old name> <new name>
# @DESCRIPTION:
# Install pam file <old name> as <new name> in /etc/pam.d
newpamd() {
[[ $# -ne 2 ]] && die "newpamd requires two arguments"
_pam_flag_disabled && return 0
( # dont want to pollute calling env
insinto /etc/pam.d
insopts -m 0644
newins "$1" "$2"
)
cleanpamd $2
}
# @FUNCTION: dopamsecurity
# @USAGE: <section> <file> [more files]
# @DESCRIPTION:
# Installs the config files in /etc/security/<section>/
dopamsecurity() {
[[ $# -lt 2 ]] && die "dopamsecurity requires at least two arguments"
_pam_flag_disabled && return 0
( # dont want to pollute calling env
insinto /etc/security/$1
insopts -m 0644
doins "${@:2}"
)
}
# @FUNCTION: newpamsecurity
# @USAGE: <section> <old name> <new name>
# @DESCRIPTION:
# Installs the config file <old name> as <new name> in /etc/security/<section>/
newpamsecurity() {
[[ $# -ne 3 ]] && die "newpamsecurity requires three arguments"
_pam_flag_disabled && return 0
( # dont want to pollute calling env
insinto /etc/security/$1
insopts -m 0644
newins "$2" "$3"
)
}
# @FUNCTION: getpam_mod_dir
# @DESCRIPTION:
# Returns the pam modules' directory for current implementation
getpam_mod_dir() {
PAM_MOD_DIR=/$(get_libdir)/security
echo ${PAM_MOD_DIR}
}
# @FUNCTION: pammod_hide_symbols
# @DESCRIPTION:
# Hide all non-PAM-used symbols from the module; this function creates a
# simple ld version script that hides all the symbols that are not
# necessary for PAM to load the module, then uses append-flags to make
# sure that it gets used.
pammod_hide_symbols() {
cat - > "${T}"/pam-eclass-pam_symbols.ver <<EOF
{
global: pam_sm_*;
local: *;
};
EOF
append-ldflags -Wl,--version-script="${T}"/pam-eclass-pam_symbols.ver
}
# @FUNCTION: dopammod
# @USAGE: <file> [more files]
# @DESCRIPTION:
# Install pam module file in the pam modules' dir for current implementation
dopammod() {
[[ -z $1 ]] && die "dopammod requires at least one argument"
_pam_flag_disabled && return 0
exeinto $(getpam_mod_dir)
doexe "$@"
}
# @FUNCTION: newpammod
# @USAGE: <old name> <new name>
# @DESCRIPTION:
# Install pam module file <old name> as <new name> in the pam
# modules' dir for current implementation
newpammod() {
[[ $# -ne 2 ]] && die "newpammod requires two arguments"
_pam_flag_disabled && return 0
exeinto $(getpam_mod_dir)
newexe "$1" "$2"
}
# @FUNCTION: pamd_mimic_system
# @USAGE: <pamd file> [auth levels]
# @DESCRIPTION:
# This function creates a pamd file which mimics system-auth file
# for the given levels in the /etc/pam.d directory.
pamd_mimic_system() {
[[ $# -lt 2 ]] && die "pamd_mimic_system requires at least two arguments"
pamd_mimic system-auth "$@"
}
# @FUNCTION: pamd_mimic
# @USAGE: <stack> <pamd file> [auth levels]
# @DESCRIPTION:
# This function creates a pamd file which mimics the given stack
# for the given levels in the /etc/pam.d directory.
pamd_mimic() {
[[ $# -lt 3 ]] && die "pamd_mimic requires at least three arguments"
_pam_flag_disabled && return 0
dodir /etc/pam.d
local pamdfile="${ED}/etc/pam.d/$2"
echo -e "# File autogenerated by pamd_mimic in pam eclass\n\n" \
>> "${pamdfile}" || die
local authlevels="auth account password session"
local mimic="\tsubstack\t\t$1"
shift; shift
while [[ -n $1 ]]; do
has $1 ${authlevels} || die "unknown level type"
echo -e "$1${mimic}" >> "${pamdfile}" || die
shift
done
}
# @FUNCTION: cleanpamd
# @USAGE: <pamd file>
# @DESCRIPTION:
# Cleans a pam.d file from modules that might not be present on the system
# where it's going to be installed
cleanpamd() {
while [[ -n $1 ]]; do
if ! has_version sys-libs/pam; then
sed -i -e '/pam_shells\|pam_console/s:^:#:' "${ED}/etc/pam.d/$1" || die
fi
shift
done
}
fi
|
GitWeb