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c9fdc26e LP |
1 | #pragma once |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2014 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
71d35b6b | 22 | #include <grp.h> |
c9fdc26e | 23 | #include <netdb.h> |
71d35b6b | 24 | #include <nss.h> |
c01ff965 | 25 | #include <pwd.h> |
71d35b6b | 26 | #include <resolv.h> |
c01ff965 | 27 | |
0c5eb056 LP |
28 | #define NSS_SIGNALS_BLOCK SIGALRM,SIGVTALRM,SIGPIPE,SIGCHLD,SIGTSTP,SIGIO,SIGHUP,SIGUSR1,SIGUSR2,SIGPROF,SIGURG,SIGWINCH |
29 | ||
c9fdc26e LP |
30 | #define NSS_GETHOSTBYNAME_PROTOTYPES(module) \ |
31 | enum nss_status _nss_##module##_gethostbyname4_r( \ | |
32 | const char *name, \ | |
33 | struct gaih_addrtuple **pat, \ | |
34 | char *buffer, size_t buflen, \ | |
35 | int *errnop, int *h_errnop, \ | |
36 | int32_t *ttlp) _public_; \ | |
37 | enum nss_status _nss_##module##_gethostbyname3_r( \ | |
38 | const char *name, \ | |
39 | int af, \ | |
40 | struct hostent *host, \ | |
41 | char *buffer, size_t buflen, \ | |
42 | int *errnop, int *h_errnop, \ | |
43 | int32_t *ttlp, \ | |
44 | char **canonp) _public_; \ | |
45 | enum nss_status _nss_##module##_gethostbyname2_r( \ | |
46 | const char *name, \ | |
47 | int af, \ | |
48 | struct hostent *host, \ | |
49 | char *buffer, size_t buflen, \ | |
50 | int *errnop, int *h_errnop) _public_; \ | |
51 | enum nss_status _nss_##module##_gethostbyname_r( \ | |
52 | const char *name, \ | |
53 | struct hostent *host, \ | |
54 | char *buffer, size_t buflen, \ | |
55 | int *errnop, int *h_errnop) _public_ | |
56 | ||
57 | #define NSS_GETHOSTBYADDR_PROTOTYPES(module) \ | |
58 | enum nss_status _nss_##module##_gethostbyaddr2_r( \ | |
59 | const void* addr, socklen_t len, \ | |
60 | int af, \ | |
61 | struct hostent *host, \ | |
62 | char *buffer, size_t buflen, \ | |
63 | int *errnop, int *h_errnop, \ | |
64 | int32_t *ttlp) _public_; \ | |
65 | enum nss_status _nss_##module##_gethostbyaddr_r( \ | |
66 | const void* addr, socklen_t len, \ | |
67 | int af, \ | |
68 | struct hostent *host, \ | |
69 | char *buffer, size_t buflen, \ | |
70 | int *errnop, int *h_errnop) _public_ | |
71 | ||
72 | #define NSS_GETHOSTBYNAME_FALLBACKS(module) \ | |
73 | enum nss_status _nss_##module##_gethostbyname2_r( \ | |
74 | const char *name, \ | |
75 | int af, \ | |
76 | struct hostent *host, \ | |
77 | char *buffer, size_t buflen, \ | |
78 | int *errnop, int *h_errnop) { \ | |
79 | return _nss_##module##_gethostbyname3_r( \ | |
80 | name, \ | |
81 | af, \ | |
82 | host, \ | |
83 | buffer, buflen, \ | |
84 | errnop, h_errnop, \ | |
85 | NULL, \ | |
86 | NULL); \ | |
87 | } \ | |
88 | enum nss_status _nss_##module##_gethostbyname_r( \ | |
89 | const char *name, \ | |
90 | struct hostent *host, \ | |
91 | char *buffer, size_t buflen, \ | |
92 | int *errnop, int *h_errnop) { \ | |
ea30eb86 LP |
93 | enum nss_status ret = NSS_STATUS_NOTFOUND; \ |
94 | \ | |
95 | if (_res.options & RES_USE_INET6) \ | |
96 | ret = _nss_##module##_gethostbyname3_r( \ | |
97 | name, \ | |
98 | AF_INET6, \ | |
99 | host, \ | |
100 | buffer, buflen, \ | |
101 | errnop, h_errnop, \ | |
102 | NULL, \ | |
103 | NULL); \ | |
104 | if (ret == NSS_STATUS_NOTFOUND) \ | |
105 | ret = _nss_##module##_gethostbyname3_r( \ | |
c9fdc26e | 106 | name, \ |
ea30eb86 | 107 | AF_INET, \ |
c9fdc26e LP |
108 | host, \ |
109 | buffer, buflen, \ | |
110 | errnop, h_errnop, \ | |
111 | NULL, \ | |
112 | NULL); \ | |
ea30eb86 | 113 | return ret; \ |
c01ff965 LP |
114 | } \ |
115 | struct __useless_struct_to_allow_trailing_semicolon__ | |
c9fdc26e LP |
116 | |
117 | #define NSS_GETHOSTBYADDR_FALLBACKS(module) \ | |
118 | enum nss_status _nss_##module##_gethostbyaddr_r( \ | |
119 | const void* addr, socklen_t len, \ | |
120 | int af, \ | |
121 | struct hostent *host, \ | |
122 | char *buffer, size_t buflen, \ | |
123 | int *errnop, int *h_errnop) { \ | |
124 | return _nss_##module##_gethostbyaddr2_r( \ | |
125 | addr, len, \ | |
126 | af, \ | |
127 | host, \ | |
128 | buffer, buflen, \ | |
129 | errnop, h_errnop, \ | |
130 | NULL); \ | |
c01ff965 LP |
131 | } \ |
132 | struct __useless_struct_to_allow_trailing_semicolon__ | |
133 | ||
134 | #define NSS_GETPW_PROTOTYPES(module) \ | |
135 | enum nss_status _nss_##module##_getpwnam_r( \ | |
136 | const char *name, \ | |
137 | struct passwd *pwd, \ | |
138 | char *buffer, size_t buflen, \ | |
139 | int *errnop) _public_; \ | |
c0f81393 | 140 | enum nss_status _nss_##module##_getpwuid_r( \ |
c01ff965 LP |
141 | uid_t uid, \ |
142 | struct passwd *pwd, \ | |
143 | char *buffer, size_t buflen, \ | |
144 | int *errnop) _public_ | |
145 | ||
146 | #define NSS_GETGR_PROTOTYPES(module) \ | |
147 | enum nss_status _nss_##module##_getgrnam_r( \ | |
148 | const char *name, \ | |
149 | struct group *gr, \ | |
150 | char *buffer, size_t buflen, \ | |
151 | int *errnop) _public_; \ | |
152 | enum nss_status _nss_##module##_getgrgid_r( \ | |
153 | gid_t gid, \ | |
154 | struct group *gr, \ | |
155 | char *buffer, size_t buflen, \ | |
156 | int *errnop) _public_ | |
cf2d43e7 ZJS |
157 | |
158 | typedef enum nss_status (*_nss_gethostbyname4_r_t)( | |
159 | const char *name, | |
160 | struct gaih_addrtuple **pat, | |
161 | char *buffer, size_t buflen, | |
162 | int *errnop, int *h_errnop, | |
163 | int32_t *ttlp); | |
164 | ||
165 | typedef enum nss_status (*_nss_gethostbyname3_r_t)( | |
166 | const char *name, | |
167 | int af, | |
168 | struct hostent *result, | |
169 | char *buffer, size_t buflen, | |
170 | int *errnop, int *h_errnop, | |
171 | int32_t *ttlp, | |
172 | char **canonp); | |
173 | ||
2abb5b3b ZJS |
174 | typedef enum nss_status (*_nss_gethostbyname2_r_t)( |
175 | const char *name, | |
176 | int af, | |
177 | struct hostent *result, | |
178 | char *buffer, size_t buflen, | |
179 | int *errnop, int *h_errnop); | |
180 | ||
181 | typedef enum nss_status (*_nss_gethostbyname_r_t)( | |
182 | const char *name, | |
183 | struct hostent *result, | |
184 | char *buffer, size_t buflen, | |
185 | int *errnop, int *h_errnop); | |
186 | ||
cf2d43e7 ZJS |
187 | typedef enum nss_status (*_nss_gethostbyaddr2_r_t)( |
188 | const void* addr, socklen_t len, | |
189 | int af, | |
190 | struct hostent *result, | |
191 | char *buffer, size_t buflen, | |
192 | int *errnop, int *h_errnop, | |
193 | int32_t *ttlp); | |
2abb5b3b ZJS |
194 | typedef enum nss_status (*_nss_gethostbyaddr_r_t)( |
195 | const void* addr, socklen_t len, | |
196 | int af, | |
197 | struct hostent *host, | |
198 | char *buffer, size_t buflen, | |
199 | int *errnop, int *h_errnop); |