nss_compat: Do not use mmap to read database files (bug 26258)
[platform/upstream/glibc.git] / nss / Makefile
1 # Copyright (C) 1996-2020 Free Software Foundation, Inc.
2 # This file is part of the GNU C Library.
3
4 # The GNU C Library is free software; you can redistribute it and/or
5 # modify it under the terms of the GNU Lesser General Public
6 # License as published by the Free Software Foundation; either
7 # version 2.1 of the License, or (at your option) any later version.
8
9 # The GNU C Library is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12 # Lesser General Public License for more details.
13
14 # You should have received a copy of the GNU Lesser General Public
15 # License along with the GNU C Library; if not, see
16 # <https://www.gnu.org/licenses/>.
17
18 #
19 #       Makefile for name service switch.
20 #
21 subdir  := nss
22
23 include ../Makeconfig
24
25 headers                 := nss.h
26
27 # This is the trivial part which goes into libc itself.
28 routines                = nsswitch getnssent getnssent_r digits_dots \
29                           valid_field valid_list_field rewrite_field \
30                           $(addsuffix -lookup,$(databases)) \
31                           compat-lookup nss_hash nss_files_fopen
32
33 # These are the databases that go through nss dispatch.
34 # Caution: if you add a database here, you must add its real name
35 # in databases.def, too.
36 databases               = proto service hosts network grp pwd ethers \
37                           spwd netgrp alias sgrp
38
39 ifneq (,$(filter sunrpc,$(subdirs)))
40 databases               += key rpc
41 have-sunrpc             := 1
42 else
43 have-sunrpc             := 0
44 endif
45 CPPFLAGS-getent.c       = -DHAVE_SUNRPC=$(have-sunrpc)
46
47 others                  := getent makedb
48 install-bin             := getent makedb
49 makedb-modules = xmalloc hash-string
50 others-extras           = $(makedb-modules)
51 extra-objs              += $(makedb-modules:=.o)
52
53 tests-static            = tst-field
54 tests-internal          = tst-field
55 tests                   = test-netdb test-digits-dots tst-nss-getpwent bug17079 \
56                           tst-nss-test1 \
57                           tst-nss-test2 \
58                           tst-nss-test4 \
59                           tst-nss-test5
60 xtests                  = bug-erange
61
62 tests-container = \
63                           tst-nss-test3 \
64                           tst-nss-files-hosts-long \
65                           tst-nss-db-endpwent \
66                           tst-nss-db-endgrent
67
68 # Tests which need libdl
69 ifeq (yes,$(build-shared))
70 tests += tst-nss-files-hosts-erange
71 tests += tst-nss-files-hosts-multi
72 tests += tst-nss-files-hosts-getent
73 tests += tst-nss-files-alias-leak
74 tests += tst-nss-files-alias-truncated
75 endif
76
77 # If we have a thread library then we can test cancellation against
78 # some routines like getpwuid_r.
79 ifeq (yes,$(have-thread-library))
80 tests += tst-cancel-getpwuid_r
81 endif
82
83 # Specify rules for the nss_* modules.  We have some services.
84 services                := files db compat
85
86 extra-libs              = $(services:%=libnss_%)
87 # These libraries will be built in the `others' pass rather than
88 # the `lib' pass, because they depend on libc.so being built already.
89 extra-libs-others       = $(extra-libs)
90
91 # The sources are found in the appropriate subdir.
92 subdir-dirs = $(services:%=nss_%)
93 vpath %.c $(subdir-dirs) ../locale/programs ../intl
94
95
96 libnss_files-routines   := $(addprefix files-, \
97                              $(filter-out key, $(databases))) \
98                            files-initgroups files-init
99
100 libnss_db-dbs           := $(addprefix db-,\
101                                        $(filter-out hosts network key alias,\
102                                                     $(databases))) \
103                            db-initgroups
104 libnss_db-routines      := $(libnss_db-dbs) db-open db-init hash-string
105 generated               += $(filter-out db-alias.c db-netgrp.c, \
106                                         $(addsuffix .c,$(libnss_db-dbs)))
107
108 libnss_compat-routines  := $(addprefix compat-,grp pwd spwd initgroups) \
109                            nisdomain
110
111 install-others          += $(inst_vardbdir)/Makefile
112
113 # Build static module into libc if requested
114 libnss_files-inhibit-o  = $(filter-out .os,$(object-suffixes))
115 libnss_db-inhibit-o     = $(filter-out .os,$(object-suffixes))
116 libnss_compat-inhibit-o = $(filter-out .os,$(object-suffixes))
117 ifeq ($(build-static-nss),yes)
118 routines                += $(libnss_files-routines)
119 static-only-routines    += $(libnss_files-routines)
120 tests-static            += tst-nss-static
121 endif
122 extra-test-objs         += nss_test1.os nss_test2.os
123
124 include ../Rules
125
126 ifeq (yes,$(have-selinux))
127 LDLIBS-makedb           := -lselinux
128 endif
129
130 libnss-libc = $(common-objpfx)linkobj/libc.so
131 # Target-specific variable setting to link objects using deprecated
132 # RPC interfaces with the version of libc.so that makes them available
133 # for new links:
134 $(services:%=$(objpfx)libnss_%.so): libc-for-link = $(libnss-libc)
135
136 $(objpfx)libnss_db.so: $(objpfx)libnss_files.so
137
138 $(libnss_db-dbs:%=$(objpfx)%.c): $(objpfx)db-%.c: nss_files/files-%.c
139         @rm -f $@.new
140         (echo '#define EXTERN_PARSER';\
141          echo '#define GENERIC "../nss_db/db-XXX.c"';\
142          echo '#include "$<"') > $@.new
143         mv -f $@.new $@
144
145
146 $(objpfx)makedb: $(makedb-modules:%=$(objpfx)%.o)
147
148 $(inst_vardbdir)/Makefile: db-Makefile $(+force)
149         $(do-install)
150
151 libnss_test1.so-no-z-defs = 1
152 libnss_test2.so-no-z-defs = 1
153
154 rtld-tests-LDFLAGS += -Wl,--dynamic-list=nss_test.ver
155
156 libof-nss_test1 = extramodules
157 libof-nss_test2 = extramodules
158 $(objpfx)/libnss_test1.so: $(objpfx)nss_test1.os $(link-libc-deps)
159         $(build-module)
160 $(objpfx)/libnss_test2.so: $(objpfx)nss_test2.os $(link-libc-deps)
161         $(build-module)
162 $(objpfx)nss_test2.os : nss_test1.c
163 ifdef libnss_test1.so-version
164 $(objpfx)/libnss_test1.so$(libnss_test1.so-version): $(objpfx)/libnss_test1.so
165         $(make-link)
166 endif
167 ifdef libnss_test2.so-version
168 $(objpfx)/libnss_test2.so$(libnss_test2.so-version): $(objpfx)/libnss_test2.so
169         $(make-link)
170 endif
171 $(patsubst %,$(objpfx)%.out,$(tests) $(tests-container)) : \
172         $(objpfx)/libnss_test1.so$(libnss_test1.so-version) \
173         $(objpfx)/libnss_test2.so$(libnss_test2.so-version)
174
175 ifeq (yes,$(have-thread-library))
176 $(objpfx)tst-cancel-getpwuid_r: $(shared-thread-library)
177 endif
178
179 $(objpfx)tst-nss-files-hosts-erange: $(libdl)
180 $(objpfx)tst-nss-files-hosts-multi: $(libdl)
181 $(objpfx)tst-nss-files-hosts-getent: $(libdl)
182 $(objpfx)tst-nss-files-alias-leak: $(libdl)
183 $(objpfx)tst-nss-files-alias-leak.out: $(objpfx)/libnss_files.so
184 $(objpfx)tst-nss-files-alias-truncated: $(libdl)
185 $(objpfx)tst-nss-files-alias-truncated.out: $(objpfx)/libnss_files.so