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authorLennart Poettering <lennart@poettering.net>2015-11-27 19:21:15 +0100
committerLennart Poettering <lennart@poettering.net>2015-11-27 19:23:29 +0100
commit6b25959dfac6f6d8a8fdb523bfc5198576803dc4 (patch)
tree3cdc7817ddb2f27e642fe3d13232e890cd015bca /src/basic/nss-util.h
parent4afd3348c7506dd1d36305b7bcb9feb8952b9d6b (diff)
util-lib: move nss-util.h from shared/ to basic/
The header file defines some helpers for GLIBC NSS and doesn't include anything else but glibc headers, hence there's little reason to keep it in shared/. See: #2008
Diffstat (limited to 'src/basic/nss-util.h')
-rw-r--r--src/basic/nss-util.h156
1 files changed, 156 insertions, 0 deletions
diff --git a/src/basic/nss-util.h b/src/basic/nss-util.h
new file mode 100644
index 0000000000..cc30d93aad
--- /dev/null
+++ b/src/basic/nss-util.h
@@ -0,0 +1,156 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+#pragma once
+
+/***
+ This file is part of systemd.
+
+ Copyright 2014 Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <grp.h>
+#include <netdb.h>
+#include <nss.h>
+#include <pwd.h>
+#include <resolv.h>
+
+#define NSS_GETHOSTBYNAME_PROTOTYPES(module) \
+enum nss_status _nss_##module##_gethostbyname4_r( \
+ const char *name, \
+ struct gaih_addrtuple **pat, \
+ char *buffer, size_t buflen, \
+ int *errnop, int *h_errnop, \
+ int32_t *ttlp) _public_; \
+enum nss_status _nss_##module##_gethostbyname3_r( \
+ const char *name, \
+ int af, \
+ struct hostent *host, \
+ char *buffer, size_t buflen, \
+ int *errnop, int *h_errnop, \
+ int32_t *ttlp, \
+ char **canonp) _public_; \
+enum nss_status _nss_##module##_gethostbyname2_r( \
+ const char *name, \
+ int af, \
+ struct hostent *host, \
+ char *buffer, size_t buflen, \
+ int *errnop, int *h_errnop) _public_; \
+enum nss_status _nss_##module##_gethostbyname_r( \
+ const char *name, \
+ struct hostent *host, \
+ char *buffer, size_t buflen, \
+ int *errnop, int *h_errnop) _public_
+
+#define NSS_GETHOSTBYADDR_PROTOTYPES(module) \
+enum nss_status _nss_##module##_gethostbyaddr2_r( \
+ const void* addr, socklen_t len, \
+ int af, \
+ struct hostent *host, \
+ char *buffer, size_t buflen, \
+ int *errnop, int *h_errnop, \
+ int32_t *ttlp) _public_; \
+enum nss_status _nss_##module##_gethostbyaddr_r( \
+ const void* addr, socklen_t len, \
+ int af, \
+ struct hostent *host, \
+ char *buffer, size_t buflen, \
+ int *errnop, int *h_errnop) _public_
+
+#define NSS_GETHOSTBYNAME_FALLBACKS(module) \
+enum nss_status _nss_##module##_gethostbyname2_r( \
+ const char *name, \
+ int af, \
+ struct hostent *host, \
+ char *buffer, size_t buflen, \
+ int *errnop, int *h_errnop) { \
+ return _nss_##module##_gethostbyname3_r( \
+ name, \
+ af, \
+ host, \
+ buffer, buflen, \
+ errnop, h_errnop, \
+ NULL, \
+ NULL); \
+} \
+enum nss_status _nss_##module##_gethostbyname_r( \
+ const char *name, \
+ struct hostent *host, \
+ char *buffer, size_t buflen, \
+ int *errnop, int *h_errnop) { \
+ enum nss_status ret = NSS_STATUS_NOTFOUND; \
+ \
+ if (_res.options & RES_USE_INET6) \
+ ret = _nss_##module##_gethostbyname3_r( \
+ name, \
+ AF_INET6, \
+ host, \
+ buffer, buflen, \
+ errnop, h_errnop, \
+ NULL, \
+ NULL); \
+ if (ret == NSS_STATUS_NOTFOUND) \
+ ret = _nss_##module##_gethostbyname3_r( \
+ name, \
+ AF_INET, \
+ host, \
+ buffer, buflen, \
+ errnop, h_errnop, \
+ NULL, \
+ NULL); \
+ return ret; \
+} \
+struct __useless_struct_to_allow_trailing_semicolon__
+
+#define NSS_GETHOSTBYADDR_FALLBACKS(module) \
+enum nss_status _nss_##module##_gethostbyaddr_r( \
+ const void* addr, socklen_t len, \
+ int af, \
+ struct hostent *host, \
+ char *buffer, size_t buflen, \
+ int *errnop, int *h_errnop) { \
+ return _nss_##module##_gethostbyaddr2_r( \
+ addr, len, \
+ af, \
+ host, \
+ buffer, buflen, \
+ errnop, h_errnop, \
+ NULL); \
+} \
+struct __useless_struct_to_allow_trailing_semicolon__
+
+#define NSS_GETPW_PROTOTYPES(module) \
+enum nss_status _nss_##module##_getpwnam_r( \
+ const char *name, \
+ struct passwd *pwd, \
+ char *buffer, size_t buflen, \
+ int *errnop) _public_; \
+enum nss_status _nss_mymachines_getpwuid_r( \
+ uid_t uid, \
+ struct passwd *pwd, \
+ char *buffer, size_t buflen, \
+ int *errnop) _public_
+
+#define NSS_GETGR_PROTOTYPES(module) \
+enum nss_status _nss_##module##_getgrnam_r( \
+ const char *name, \
+ struct group *gr, \
+ char *buffer, size_t buflen, \
+ int *errnop) _public_; \
+enum nss_status _nss_##module##_getgrgid_r( \
+ gid_t gid, \
+ struct group *gr, \
+ char *buffer, size_t buflen, \
+ int *errnop) _public_