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Unix SMB/CIFS implementation.
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NetBSD loadable authentication module, providing identification
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routines against Samba winbind/Windows NT Domain
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Copyright (C) Luke Mewburn 2004-2005
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 3 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, see <http://www.gnu.org/licenses/>.
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#include "winbind_client.h"
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#include <sys/param.h>
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/* dynamic nsswitch with "new" getpw* nsdispatch API available */
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#if defined(NSS_MODULE_INTERFACE_VERSION) && defined(HAVE_GETPWENT_R)
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static struct group _winbind_group;
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static char _winbind_groupbuf[1024];
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* We need a proper prototype for this :-)
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NSS_STATUS _nss_winbind_setpwent(void);
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NSS_STATUS _nss_winbind_endpwent(void);
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NSS_STATUS _nss_winbind_getpwent_r(struct passwd *result, char *buffer,
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size_t buflen, int *errnop);
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NSS_STATUS _nss_winbind_getpwuid_r(uid_t uid, struct passwd *result,
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char *buffer, size_t buflen, int *errnop);
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NSS_STATUS _nss_winbind_getpwnam_r(const char *name, struct passwd *result,
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char *buffer, size_t buflen, int *errnop);
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NSS_STATUS _nss_winbind_setgrent(void);
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NSS_STATUS _nss_winbind_endgrent(void);
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NSS_STATUS _nss_winbind_getgrent_r(struct group *result, char *buffer,
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size_t buflen, int *errnop);
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NSS_STATUS _nss_winbind_getgrlst_r(struct group *result, char *buffer,
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size_t buflen, int *errnop);
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NSS_STATUS _nss_winbind_getgrnam_r(const char *name, struct group *result,
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char *buffer, size_t buflen, int *errnop);
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NSS_STATUS _nss_winbind_getgrgid_r(gid_t gid, struct group *result, char *buffer,
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size_t buflen, int *errnop);
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NSS_STATUS _nss_winbind_initgroups_dyn(char *user, gid_t group, long int *start,
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long int *size, gid_t **groups,
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long int limit, int *errnop);
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NSS_STATUS _nss_winbind_getusersids(const char *user_sid, char **group_sids,
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int *num_groups, char *buffer, size_t buf_size,
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NSS_STATUS _nss_winbind_nametosid(const char *name, char **sid, char *buffer,
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size_t buflen, int *errnop);
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NSS_STATUS _nss_winbind_sidtoname(const char *sid, char **name, char *buffer,
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size_t buflen, int *errnop);
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NSS_STATUS _nss_winbind_sidtouid(const char *sid, uid_t *uid, int *errnop);
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NSS_STATUS _nss_winbind_sidtogid(const char *sid, gid_t *gid, int *errnop);
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NSS_STATUS _nss_winbind_uidtosid(uid_t uid, char **sid, char *buffer,
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size_t buflen, int *errnop);
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NSS_STATUS _nss_winbind_gidtosid(gid_t gid, char **sid, char *buffer,
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size_t buflen, int *errnop);
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netbsdwinbind_endgrent(void *nsrv, void *nscb, va_list ap)
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rv = _nss_winbind_endgrent();
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netbsdwinbind_setgrent(void *nsrv, void *nscb, va_list ap)
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rv = _nss_winbind_setgrent();
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netbsdwinbind_getgrent(void *nsrv, void *nscb, va_list ap)
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struct group **retval = va_arg(ap, struct group **);
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rv = _nss_winbind_getgrent_r(&_winbind_group,
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_winbind_groupbuf, sizeof(_winbind_groupbuf), &rerrno);
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if (rv == NS_SUCCESS)
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*retval = &_winbind_group;
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netbsdwinbind_getgrent_r(void *nsrv, void *nscb, va_list ap)
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int *retval = va_arg(ap, int *);
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struct group *grp = va_arg(ap, struct group *);
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char *buffer = va_arg(ap, char *);
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size_t buflen = va_arg(ap, size_t);
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struct group **result = va_arg(ap, struct group **);
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rv = _nss_winbind_getgrent_r(grp, buffer, buflen, rerrno);
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if (rv == NS_SUCCESS)
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netbsdwinbind_getgrgid(void *nsrv, void *nscb, va_list ap)
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struct group **retval = va_arg(ap, struct group **);
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gid_t gid = va_arg(ap, gid_t);
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rv = _nss_winbind_getgrgid_r(gid, &_winbind_group,
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_winbind_groupbuf, sizeof(_winbind_groupbuf), &rerrno);
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if (rv == NS_SUCCESS)
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*retval = &_winbind_group;
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netbsdwinbind_getgrgid_r(void *nsrv, void *nscb, va_list ap)
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int *retval = va_arg(ap, int *);
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gid_t gid = va_arg(ap, gid_t);
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struct group *grp = va_arg(ap, struct group *);
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char *buffer = va_arg(ap, char *);
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size_t buflen = va_arg(ap, size_t);
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struct group **result = va_arg(ap, struct group **);
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rv = _nss_winbind_getgrgid_r(gid, grp, buffer, buflen, &rerrno);
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if (rv == NS_SUCCESS)
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netbsdwinbind_getgrnam(void *nsrv, void *nscb, va_list ap)
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struct group **retval = va_arg(ap, struct group **);
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const char *name = va_arg(ap, const char *);
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rv = _nss_winbind_getgrnam_r(name, &_winbind_group,
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_winbind_groupbuf, sizeof(_winbind_groupbuf), &rerrno);
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if (rv == NS_SUCCESS)
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*retval = &_winbind_group;
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netbsdwinbind_getgrnam_r(void *nsrv, void *nscb, va_list ap)
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int *retval = va_arg(ap, int *);
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const char *name = va_arg(ap, const char *);
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struct group *grp = va_arg(ap, struct group *);
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char *buffer = va_arg(ap, char *);
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size_t buflen = va_arg(ap, size_t);
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struct group **result = va_arg(ap, struct group **);
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rv = _nss_winbind_getgrnam_r(name, grp, buffer, buflen, &rerrno);
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if (rv == NS_SUCCESS)
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netbsdwinbind_getgroupmembership(void *nsrv, void *nscb, va_list ap)
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int *result = va_arg(ap, int *);
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const char *uname = va_arg(ap, const char *);
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gid_t agroup = va_arg(ap, gid_t);
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gid_t *groups = va_arg(ap, gid_t *);
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int maxgrp = va_arg(ap, int);
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int *groupc = va_arg(ap, int *);
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struct winbindd_request request;
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struct winbindd_response response;
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int wblistc, i, isdup, dupc;
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ZERO_STRUCT(request);
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ZERO_STRUCT(response);
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strncpy(request.data.username, uname,
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sizeof(request.data.username) - 1);
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i = winbindd_request_response(WINBINDD_GETGROUPS, &request, &response);
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if (i != NSS_STATUS_SUCCESS)
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wblistv = (gid_t *)response.extra_data.data;
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wblistc = response.data.num_entries;
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for (i = 0; i < wblistc; i++) { /* add winbind gids */
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isdup = 0; /* skip duplicates */
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for (dupc = 0; dupc < MIN(maxgrp, *groupc); dupc++) {
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if (groups[dupc] == wblistv[i]) {
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if (*groupc < maxgrp) /* add this gid */
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groups[*groupc] = wblistv[i];
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static struct passwd _winbind_passwd;
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static char _winbind_passwdbuf[1024];
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netbsdwinbind_endpwent(void *nsrv, void *nscb, va_list ap)
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rv = _nss_winbind_endpwent();
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netbsdwinbind_setpwent(void *nsrv, void *nscb, va_list ap)
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rv = _nss_winbind_setpwent();
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netbsdwinbind_getpwent(void *nsrv, void *nscb, va_list ap)
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struct passwd **retval = va_arg(ap, struct passwd **);
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rv = _nss_winbind_getpwent_r(&_winbind_passwd,
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_winbind_passwdbuf, sizeof(_winbind_passwdbuf), &rerrno);
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if (rv == NS_SUCCESS)
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*retval = &_winbind_passwd;
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netbsdwinbind_getpwent_r(void *nsrv, void *nscb, va_list ap)
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int *retval = va_arg(ap, int *);
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struct passwd *pw = va_arg(ap, struct passwd *);
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char *buffer = va_arg(ap, char *);
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size_t buflen = va_arg(ap, size_t);
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struct passwd **result = va_arg(ap, struct passwd **);
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rv = _nss_winbind_getpwent_r(pw, buffer, buflen, rerrno);
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if (rv == NS_SUCCESS)
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netbsdwinbind_getpwnam(void *nsrv, void *nscb, va_list ap)
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struct passwd **retval = va_arg(ap, struct passwd **);
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const char *name = va_arg(ap, const char *);
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rv = _nss_winbind_getpwnam_r(name, &_winbind_passwd,
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_winbind_passwdbuf, sizeof(_winbind_passwdbuf), &rerrno);
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if (rv == NS_SUCCESS)
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*retval = &_winbind_passwd;
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netbsdwinbind_getpwnam_r(void *nsrv, void *nscb, va_list ap)
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int *retval = va_arg(ap, int *);
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const char *name = va_arg(ap, const char *);
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struct passwd *pw = va_arg(ap, struct passwd *);
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char *buffer = va_arg(ap, char *);
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size_t buflen = va_arg(ap, size_t);
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struct passwd **result = va_arg(ap, struct passwd **);
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rv = _nss_winbind_getpwnam_r(name, pw, buffer, buflen, &rerrno);
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if (rv == NS_SUCCESS)
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netbsdwinbind_getpwuid(void *nsrv, void *nscb, va_list ap)
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struct passwd **retval = va_arg(ap, struct passwd **);
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uid_t uid = va_arg(ap, uid_t);
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rv = _nss_winbind_getpwuid_r(uid, &_winbind_passwd,
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_winbind_passwdbuf, sizeof(_winbind_passwdbuf), &rerrno);
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if (rv == NS_SUCCESS)
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*retval = &_winbind_passwd;
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netbsdwinbind_getpwuid_r(void *nsrv, void *nscb, va_list ap)
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int *retval = va_arg(ap, int *);
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uid_t uid = va_arg(ap, uid_t);
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struct passwd *pw = va_arg(ap, struct passwd *);
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char *buffer = va_arg(ap, char *);
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size_t buflen = va_arg(ap, size_t);
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struct passwd **result = va_arg(ap, struct passwd **);
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rv = _nss_winbind_getpwuid_r(uid, pw, buffer, buflen, &rerrno);
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if (rv == NS_SUCCESS)
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nsswitch module setup
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---------------------
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static ns_mtab winbind_methods[] = {
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{ NSDB_GROUP, "endgrent", netbsdwinbind_endgrent, NULL },
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{ NSDB_GROUP, "getgrent", netbsdwinbind_getgrent, NULL },
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{ NSDB_GROUP, "getgrent_r", netbsdwinbind_getgrent_r, NULL },
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{ NSDB_GROUP, "getgrgid", netbsdwinbind_getgrgid, NULL },
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{ NSDB_GROUP, "getgrgid_r", netbsdwinbind_getgrgid_r, NULL },
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{ NSDB_GROUP, "getgrnam", netbsdwinbind_getgrnam, NULL },
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{ NSDB_GROUP, "getgrnam_r", netbsdwinbind_getgrnam_r, NULL },
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{ NSDB_GROUP, "setgrent", netbsdwinbind_setgrent, NULL },
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{ NSDB_GROUP, "setgroupent", netbsdwinbind_setgrent, NULL },
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{ NSDB_GROUP, "getgroupmembership", netbsdwinbind_getgroupmembership, NULL },
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{ NSDB_PASSWD, "endpwent", netbsdwinbind_endpwent, NULL },
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{ NSDB_PASSWD, "getpwent", netbsdwinbind_getpwent, NULL },
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{ NSDB_PASSWD, "getpwent_r", netbsdwinbind_getpwent_r, NULL },
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{ NSDB_PASSWD, "getpwnam", netbsdwinbind_getpwnam, NULL },
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{ NSDB_PASSWD, "getpwnam_r", netbsdwinbind_getpwnam_r, NULL },
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{ NSDB_PASSWD, "getpwuid", netbsdwinbind_getpwuid, NULL },
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{ NSDB_PASSWD, "getpwuid_r", netbsdwinbind_getpwuid_r, NULL },
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{ NSDB_PASSWD, "setpassent", netbsdwinbind_setpwent, NULL },
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{ NSDB_PASSWD, "setpwent", netbsdwinbind_setpwent, NULL },
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nss_module_register(const char *source, unsigned int *mtabsize,
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nss_module_unregister_fn *unreg)
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*mtabsize = sizeof(winbind_methods)/sizeof(winbind_methods[0]);
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return (winbind_methods);
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#endif /* NSS_MODULE_INTERFACE_VERSION && HAVE_GETPWENT_R */