diff options
| -rw-r--r-- | source3/lib/nss_wrapper/config.m4 | 19 | ||||
| -rw-r--r-- | source3/lib/nss_wrapper/config.mk | 10 | ||||
| -rw-r--r-- | source3/lib/nss_wrapper/nss_wrapper.c | 180 | ||||
| -rw-r--r-- | source3/lib/nss_wrapper/nss_wrapper.h | 165 |
4 files changed, 374 insertions, 0 deletions
diff --git a/source3/lib/nss_wrapper/config.m4 b/source3/lib/nss_wrapper/config.m4 new file mode 100644 index 0000000000..58e94f9830 --- /dev/null +++ b/source3/lib/nss_wrapper/config.m4 @@ -0,0 +1,19 @@ +AC_ARG_ENABLE(nss-wrapper, +[ --enable-nss-wrapper Turn on nss wrapper library (default=no)]) + +HAVE_NSS_WRAPPER=no + +if eval "test x$developer = xyes"; then + enable_nss_wrapper=yes +fi + +if eval "test x$enable_nss_wrapper = xyes"; then + AC_DEFINE(NSS_WRAPPER,1,[Use nss wrapper library]) + HAVE_NSS_WRAPPER=yes + + # this is only used for samba3 + NSS_WRAPPER_OBJS="lib/nss_wrapper/nss_wrapper.o" +fi + +AC_SUBST(HAVE_NSS_WRAPPER) +AC_SUBST(NSS_WRAPPER_OBJS) diff --git a/source3/lib/nss_wrapper/config.mk b/source3/lib/nss_wrapper/config.mk new file mode 100644 index 0000000000..9751d2bf73 --- /dev/null +++ b/source3/lib/nss_wrapper/config.mk @@ -0,0 +1,10 @@ +############################## +# Start SUBSYSTEM NSS_WRAPPER +[LIBRARY::NSS_WRAPPER] +VERSION = 0.0.1 +SO_VERSION = 0 +DESCRIPTION = Wrapper library for testing nss calls without being root +PUBLIC_HEADERS = nss_wrapper.h +OBJ_FILES = nss_wrapper.o +# End SUBSYSTEM NSS_WRAPPER +############################## diff --git a/source3/lib/nss_wrapper/nss_wrapper.c b/source3/lib/nss_wrapper/nss_wrapper.c new file mode 100644 index 0000000000..b8c65c405d --- /dev/null +++ b/source3/lib/nss_wrapper/nss_wrapper.c @@ -0,0 +1,180 @@ +/* + * Copyright (C) Stefan Metzmacher 2007 <metze@samba.org> + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the author nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifdef _SAMBA_BUILD_ + +#define NSS_WRAPPER_NOT_REPLACE +#include "lib/replace/replace.h" +#include "system/passwd.h" +#include "system/filesys.h" + +#else /* _SAMBA_BUILD_ */ + +#error nss_wrapper_only_supported_in_samba_yet + +#endif + +#ifndef _PUBLIC_ +#define _PUBLIC_ +#endif + +/* LD_PRELOAD doesn't work yet, so REWRITE_CALLS is all we support + * for now */ +#define REWRITE_CALLS + +#ifdef REWRITE_CALLS + +#define real_getpwnam getpwnam +#define real_getpwnam_r getpwnam_r +#define real_getpwuid getpwuid +#define real_getpwuid_r getpwuid_r + +#define real_setpwent setpwent +#define real_getpwent getpwent +#define real_getpwent_r getpwent_r +#define real_endpwent endpwent + +/* +#define real_getgrlst getgrlst +#define real_getgrlst_r getgrlst_r +#define real_initgroups_dyn initgroups_dyn +*/ +#define real_initgroups initgroups + +#define real_getgrnam getgrnam +#define real_getgrnam_r getgrnam_r +#define real_getgrgid getgrgid +#define real_getgrgid_r getgrgid_r + +#define real_setgrent setgrent +#define real_getgrent getgrent +#define real_getgrent_r getgrent_r +#define real_endgrent endgrent + +#endif + +/* user functions */ +_PUBLIC_ struct passwd *nwrap_getpwnam(const char *name) +{ + return real_getpwnam(name); +} + +_PUBLIC_ int nwrap_getpwnam_r(const char *name, struct passwd *pwbuf, + char *buf, size_t buflen, struct passwd **pwbufp) +{ + return real_getpwnam_r(name, pwbuf, buf, buflen, pwbufp); +} + +_PUBLIC_ struct passwd *nwrap_getpwuid(uid_t uid) +{ + return real_getpwuid(uid); +} + +_PUBLIC_ int nwrap_getpwuid_r(uid_t uid, struct passwd *pwbuf, + char *buf, size_t buflen, struct passwd **pwbufp) +{ + return real_getpwuid_r(uid, pwbuf, buf, buflen, pwbufp); +} + +/* user enum functions */ +_PUBLIC_ void nwrap_setpwent(void) +{ + real_setpwent(); +} + +_PUBLIC_ struct passwd *nwrap_getpwent(void) +{ + return real_getpwent(); +} + +_PUBLIC_ int nwrap_getpwent_r(struct passwd *pwbuf, char *buf, + size_t buflen, struct passwd **pwbufp) +{ + return real_getpwent_r(pwbuf, buf, buflen, pwbufp); +} + +_PUBLIC_ void nwrap_endpwent(void) +{ + real_endpwent(); +} + +/* misc functions */ +_PUBLIC_ int nwrap_initgroups(const char *user, gid_t group) +{ + return real_initgroups(user, group); +} + +/* group functions */ +_PUBLIC_ struct group *nwrap_getgrnam(const char *name) +{ + return real_getgrnam(name); +} + +_PUBLIC_ int nwrap_getgrnam_r(const char *name, struct group *gbuf, + char *buf, size_t buflen, struct group **gbufp) +{ + return real_getgrnam_r(name, gbuf, buf, buflen, gbufp); +} + +_PUBLIC_ struct group *nwrap_getgrgid(gid_t gid) +{ + return real_getgrgid(gid); +} + +_PUBLIC_ int nwrap_getgrgid_r(gid_t gid, struct group *gbuf, + char *buf, size_t buflen, struct group **gbufp) +{ + return real_getgrgid_r(gid, gbuf, buf, buflen, gbufp); +} + +/* group enum functions */ +_PUBLIC_ void nwrap_setgrent(void) +{ + real_setgrent(); +} + +_PUBLIC_ struct group *nwrap_getgrent(void) +{ + return real_getgrent(); +} + +_PUBLIC_ int nwrap_getgrent_r(struct group *gbuf, char *buf, + size_t buflen, struct group **gbufp) +{ + return real_getgrent_r(gbuf, buf, buflen, gbufp); +} + +_PUBLIC_ void nwrap_endgrent(void) +{ + real_endgrent(); +} diff --git a/source3/lib/nss_wrapper/nss_wrapper.h b/source3/lib/nss_wrapper/nss_wrapper.h new file mode 100644 index 0000000000..35a47348a8 --- /dev/null +++ b/source3/lib/nss_wrapper/nss_wrapper.h @@ -0,0 +1,165 @@ +/* + * Copyright (C) Stefan Metzmacher 2007 <metze@samba.org> + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the author nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef __NSS_WRAPPER_H__ +#define __NSS_WRAPPER_H__ + +struct passwd *nwrap_getpwnam(const char *name); +int nwrap_getpwnam_r(const char *name, struct passwd *pwbuf, + char *buf, size_t buflen, struct passwd **pwbufp); +struct passwd *nwrap_getpwuid(uid_t uid); +int nwrap_getpwuid_r(uid_t uid, struct passwd *pwbuf, + char *buf, size_t buflen, struct passwd **pwbufp); +void nwrap_setpwent(void); +struct passwd *nwrap_getpwent(void); +int nwrap_getpwent_r(struct passwd *pwbuf, char *buf, + size_t buflen, struct passwd **pwbufp); +void nwrap_endpwent(void); +int nwrap_initgroups(const char *user, gid_t group); +struct group *nwrap_getgrnam(const char *name); +int nwrap_getgrnam_r(const char *name, struct group *gbuf, + char *buf, size_t buflen, struct group **gbufp); +struct group *nwrap_getgrgid(gid_t gid); +int nwrap_getgrgid_r(gid_t gid, struct group *gbuf, + char *buf, size_t buflen, struct group **gbufp); +void nwrap_setgrent(void); +struct group *nwrap_getgrent(void); +int nwrap_getgrent_r(struct group *gbuf, char *buf, + size_t buflen, struct group **gbufp); +void nwrap_endgrent(void); + +#ifdef NSS_WRAPPER_REPLACE + +#ifdef getpwnam +#undef getpwnam +#endif +#define getpwnam nwrap_getpwnam + +#ifdef getpwnam_r +#undef getpwnam_r +#endif +#define getpwnam_r nwrap_getpwnam_r + +#ifdef getpwuid +#undef getpwuid +#endif +#define getpwuid nwrap_getpwuid + +#ifdef getpwuid_r +#undef getpwuid_r +#endif +#define getpwuid_r nwrap_getpwuid_r + +#ifdef setpwent +#undef setpwent +#endif +#define setpwent nwrap_setpwent + +#ifdef getpwent +#undef getpwent +#endif +#define getpwent nwrap_getpwent + +#ifdef getpwent_r +#undef getpwent_r +#endif +#define getpwent_r nwrap_getpwent_r + +#ifdef endpwent +#undef endpwent +#endif +#define endpwent nwrap_endpwent + +#ifdef getgrlst +#undef getgrlst +#endif +#define getgrlst __none_nwrap_getgrlst + +#ifdef getgrlst_r +#undef getgrlst_r +#endif +#define getgrlst_r __none_nwrap_getgrlst_r + +#ifdef initgroups_dyn +#undef initgroups_dyn +#endif +#define initgroups_dyn __none_nwrap_initgroups_dyn + +#ifdef initgroups +#undef initgroups +#endif +#define initgroups nwrap_initgroups + +#ifdef getgrnam +#undef getgrnam +#endif +#define getgrnam nwrap_getgrnam + +#ifdef getgrnam_r +#undef getgrnam_r +#endif +#define getgrnam_r nwrap_getgrnam_r + +#ifdef getgrgid +#undef getgrgid +#endif +#define getgrgid nwrap_getgrgid + +#ifdef getgrgid_r +#undef getgrgid_r +#endif +#define getgrgid_r nwrap_getgrgid_r + +#ifdef setgrent +#undef setgrent +#endif +#define setgrent nwrap_setgrent + +#ifdef getgrent +#undef getgrent +#endif +#define getgrent nwrap_getgrent + +#ifdef getgrent_r +#undef getgrent_r +#endif +#define getgrent_r nwrap_getgrent_r + +#ifdef endgrent +#undef endgrent +#endif +#define endgrent nwrap_endgrent + +#endif /* NSS_WRAPPER_REPLACE */ + +#endif /* __NSS_WRAPPER_H__ */ |