diff options
Diffstat (limited to 'nsswitch/winbind_nss_netbsd.c')
| -rw-r--r-- | nsswitch/winbind_nss_netbsd.c | 442 |
1 files changed, 442 insertions, 0 deletions
diff --git a/nsswitch/winbind_nss_netbsd.c b/nsswitch/winbind_nss_netbsd.c new file mode 100644 index 0000000000..9b8e0a2265 --- /dev/null +++ b/nsswitch/winbind_nss_netbsd.c @@ -0,0 +1,442 @@ +/* + Unix SMB/CIFS implementation. + + NetBSD loadable authentication module, providing identification + routines against Samba winbind/Windows NT Domain + + Copyright (C) Luke Mewburn 2004-2005 + + This library 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 3 of the License, or (at your option) any later version. + + This library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, see <http://www.gnu.org/licenses/>. +*/ + + +#include "winbind_client.h" + +#include <sys/param.h> +#include <stdarg.h> +#include <syslog.h> + + /* dynamic nsswitch with "new" getpw* nsdispatch API available */ +#if defined(NSS_MODULE_INTERFACE_VERSION) && defined(HAVE_GETPWENT_R) + +/* + group functions + --------------- +*/ + +static struct group _winbind_group; +static char _winbind_groupbuf[1024]; + +/* + * We need a proper prototype for this :-) + */ + +NSS_STATUS _nss_winbind_setpwent(void); +NSS_STATUS _nss_winbind_endpwent(void); +NSS_STATUS _nss_winbind_getpwent_r(struct passwd *result, char *buffer, + size_t buflen, int *errnop); +NSS_STATUS _nss_winbind_getpwuid_r(uid_t uid, struct passwd *result, + char *buffer, size_t buflen, int *errnop); +NSS_STATUS _nss_winbind_getpwnam_r(const char *name, struct passwd *result, + char *buffer, size_t buflen, int *errnop); +NSS_STATUS _nss_winbind_setgrent(void); +NSS_STATUS _nss_winbind_endgrent(void); +NSS_STATUS _nss_winbind_getgrent_r(struct group *result, char *buffer, + size_t buflen, int *errnop); +NSS_STATUS _nss_winbind_getgrlst_r(struct group *result, char *buffer, + size_t buflen, int *errnop); +NSS_STATUS _nss_winbind_getgrnam_r(const char *name, struct group *result, + char *buffer, size_t buflen, int *errnop); +NSS_STATUS _nss_winbind_getgrgid_r(gid_t gid, struct group *result, char *buffer, + size_t buflen, int *errnop); +NSS_STATUS _nss_winbind_initgroups_dyn(char *user, gid_t group, long int *start, + long int *size, gid_t **groups, + long int limit, int *errnop); +NSS_STATUS _nss_winbind_getusersids(const char *user_sid, char **group_sids, + int *num_groups, char *buffer, size_t buf_size, + int *errnop); +NSS_STATUS _nss_winbind_nametosid(const char *name, char **sid, char *buffer, + size_t buflen, int *errnop); +NSS_STATUS _nss_winbind_sidtoname(const char *sid, char **name, char *buffer, + size_t buflen, int *errnop); +NSS_STATUS _nss_winbind_sidtouid(const char *sid, uid_t *uid, int *errnop); +NSS_STATUS _nss_winbind_sidtogid(const char *sid, gid_t *gid, int *errnop); +NSS_STATUS _nss_winbind_uidtosid(uid_t uid, char **sid, char *buffer, + size_t buflen, int *errnop); +NSS_STATUS _nss_winbind_gidtosid(gid_t gid, char **sid, char *buffer, + size_t buflen, int *errnop); + +int +netbsdwinbind_endgrent(void *nsrv, void *nscb, va_list ap) +{ + int rv; + + rv = _nss_winbind_endgrent(); + return rv; +} + +int +netbsdwinbind_setgrent(void *nsrv, void *nscb, va_list ap) +{ + int rv; + + rv = _nss_winbind_setgrent(); + return rv; +} + +int +netbsdwinbind_getgrent(void *nsrv, void *nscb, va_list ap) +{ + struct group **retval = va_arg(ap, struct group **); + + int rv, rerrno; + + *retval = NULL; + rv = _nss_winbind_getgrent_r(&_winbind_group, + _winbind_groupbuf, sizeof(_winbind_groupbuf), &rerrno); + if (rv == NS_SUCCESS) + *retval = &_winbind_group; + return rv; +} + +int +netbsdwinbind_getgrent_r(void *nsrv, void *nscb, va_list ap) +{ + int *retval = va_arg(ap, int *); + struct group *grp = va_arg(ap, struct group *); + char *buffer = va_arg(ap, char *); + size_t buflen = va_arg(ap, size_t); + struct group **result = va_arg(ap, struct group **); + + int rv, rerrno; + + *result = NULL; + rerrno = 0; + + rv = _nss_winbind_getgrent_r(grp, buffer, buflen, rerrno); + if (rv == NS_SUCCESS) + *result = grp; + else + *retval = rerrno; + return rv; +} + +int +netbsdwinbind_getgrgid(void *nsrv, void *nscb, va_list ap) +{ + struct group **retval = va_arg(ap, struct group **); + gid_t gid = va_arg(ap, gid_t); + + int rv, rerrno; + + *retval = NULL; + rv = _nss_winbind_getgrgid_r(gid, &_winbind_group, + _winbind_groupbuf, sizeof(_winbind_groupbuf), &rerrno); + if (rv == NS_SUCCESS) + *retval = &_winbind_group; + return rv; +} + +int +netbsdwinbind_getgrgid_r(void *nsrv, void *nscb, va_list ap) +{ + int *retval = va_arg(ap, int *); + gid_t gid = va_arg(ap, gid_t); + struct group *grp = va_arg(ap, struct group *); + char *buffer = va_arg(ap, char *); + size_t buflen = va_arg(ap, size_t); + struct group **result = va_arg(ap, struct group **); + + int rv, rerrno; + + *result = NULL; + rerrno = 0; + + rv = _nss_winbind_getgrgid_r(gid, grp, buffer, buflen, &rerrno); + if (rv == NS_SUCCESS) + *result = grp; + else + *retval = rerrno; + return rv; +} + +int +netbsdwinbind_getgrnam(void *nsrv, void *nscb, va_list ap) +{ + struct group **retval = va_arg(ap, struct group **); + const char *name = va_arg(ap, const char *); + + int rv, rerrno; + + *retval = NULL; + rv = _nss_winbind_getgrnam_r(name, &_winbind_group, + _winbind_groupbuf, sizeof(_winbind_groupbuf), &rerrno); + if (rv == NS_SUCCESS) + *retval = &_winbind_group; + return rv; +} + +int +netbsdwinbind_getgrnam_r(void *nsrv, void *nscb, va_list ap) +{ + int *retval = va_arg(ap, int *); + const char *name = va_arg(ap, const char *); + struct group *grp = va_arg(ap, struct group *); + char *buffer = va_arg(ap, char *); + size_t buflen = va_arg(ap, size_t); + struct group **result = va_arg(ap, struct group **); + + int rv, rerrno; + + *result = NULL; + rerrno = 0; + + rv = _nss_winbind_getgrnam_r(name, grp, buffer, buflen, &rerrno); + if (rv == NS_SUCCESS) + *result = grp; + else + *retval = rerrno; + return rv; +} + +int +netbsdwinbind_getgroupmembership(void *nsrv, void *nscb, va_list ap) +{ + int *result = va_arg(ap, int *); + const char *uname = va_arg(ap, const char *); + gid_t agroup = va_arg(ap, gid_t); + gid_t *groups = va_arg(ap, gid_t *); + int maxgrp = va_arg(ap, int); + int *groupc = va_arg(ap, int *); + + struct winbindd_request request; + struct winbindd_response response; + gid_t *wblistv; + int wblistc, i, isdup, dupc; + + ZERO_STRUCT(request); + ZERO_STRUCT(response); + strncpy(request.data.username, uname, + sizeof(request.data.username) - 1); + i = winbindd_request_response(WINBINDD_GETGROUPS, &request, &response); + if (i != NSS_STATUS_SUCCESS) + return NS_NOTFOUND; + wblistv = (gid_t *)response.extra_data.data; + wblistc = response.data.num_entries; + + for (i = 0; i < wblistc; i++) { /* add winbind gids */ + isdup = 0; /* skip duplicates */ + for (dupc = 0; dupc < MIN(maxgrp, *groupc); dupc++) { + if (groups[dupc] == wblistv[i]) { + isdup = 1; + break; + } + } + if (isdup) + continue; + if (*groupc < maxgrp) /* add this gid */ + groups[*groupc] = wblistv[i]; + else + *result = -1; + (*groupc)++; + } + SAFE_FREE(wblistv); + return NS_NOTFOUND; +} + + +/* + passwd functions + ---------------- +*/ + +static struct passwd _winbind_passwd; +static char _winbind_passwdbuf[1024]; + +int +netbsdwinbind_endpwent(void *nsrv, void *nscb, va_list ap) +{ + int rv; + + rv = _nss_winbind_endpwent(); + return rv; +} + +int +netbsdwinbind_setpwent(void *nsrv, void *nscb, va_list ap) +{ + int rv; + + rv = _nss_winbind_setpwent(); + return rv; +} + +int +netbsdwinbind_getpwent(void *nsrv, void *nscb, va_list ap) +{ + struct passwd **retval = va_arg(ap, struct passwd **); + + int rv, rerrno; + + *retval = NULL; + + rv = _nss_winbind_getpwent_r(&_winbind_passwd, + _winbind_passwdbuf, sizeof(_winbind_passwdbuf), &rerrno); + if (rv == NS_SUCCESS) + *retval = &_winbind_passwd; + return rv; +} + +int +netbsdwinbind_getpwent_r(void *nsrv, void *nscb, va_list ap) +{ + int *retval = va_arg(ap, int *); + struct passwd *pw = va_arg(ap, struct passwd *); + char *buffer = va_arg(ap, char *); + size_t buflen = va_arg(ap, size_t); + struct passwd **result = va_arg(ap, struct passwd **); + + int rv, rerrno; + + *result = NULL; + rerrno = 0; + + rv = _nss_winbind_getpwent_r(pw, buffer, buflen, rerrno); + if (rv == NS_SUCCESS) + *result = pw; + else + *retval = rerrno; + return rv; +} + +int +netbsdwinbind_getpwnam(void *nsrv, void *nscb, va_list ap) +{ + struct passwd **retval = va_arg(ap, struct passwd **); + const char *name = va_arg(ap, const char *); + + int rv, rerrno; + + *retval = NULL; + rv = _nss_winbind_getpwnam_r(name, &_winbind_passwd, + _winbind_passwdbuf, sizeof(_winbind_passwdbuf), &rerrno); + if (rv == NS_SUCCESS) + *retval = &_winbind_passwd; + return rv; +} + +int +netbsdwinbind_getpwnam_r(void *nsrv, void *nscb, va_list ap) +{ + int *retval = va_arg(ap, int *); + const char *name = va_arg(ap, const char *); + struct passwd *pw = va_arg(ap, struct passwd *); + char *buffer = va_arg(ap, char *); + size_t buflen = va_arg(ap, size_t); + struct passwd **result = va_arg(ap, struct passwd **); + + int rv, rerrno; + + *result = NULL; + rerrno = 0; + + rv = _nss_winbind_getpwnam_r(name, pw, buffer, buflen, &rerrno); + if (rv == NS_SUCCESS) + *result = pw; + else + *retval = rerrno; + return rv; +} + +int +netbsdwinbind_getpwuid(void *nsrv, void *nscb, va_list ap) +{ + struct passwd **retval = va_arg(ap, struct passwd **); + uid_t uid = va_arg(ap, uid_t); + + int rv, rerrno; + + *retval = NULL; + rv = _nss_winbind_getpwuid_r(uid, &_winbind_passwd, + _winbind_passwdbuf, sizeof(_winbind_passwdbuf), &rerrno); + if (rv == NS_SUCCESS) + *retval = &_winbind_passwd; + return rv; +} + +int +netbsdwinbind_getpwuid_r(void *nsrv, void *nscb, va_list ap) +{ + int *retval = va_arg(ap, int *); + uid_t uid = va_arg(ap, uid_t); + struct passwd *pw = va_arg(ap, struct passwd *); + char *buffer = va_arg(ap, char *); + size_t buflen = va_arg(ap, size_t); + struct passwd **result = va_arg(ap, struct passwd **); + + int rv, rerrno; + + *result = NULL; + rerrno = 0; + + rv = _nss_winbind_getpwuid_r(uid, pw, buffer, buflen, &rerrno); + if (rv == NS_SUCCESS) + *result = pw; + else + *retval = rerrno; + return rv; +} + + +/* + nsswitch module setup + --------------------- +*/ + + +static ns_mtab winbind_methods[] = { + +{ NSDB_GROUP, "endgrent", netbsdwinbind_endgrent, NULL }, +{ NSDB_GROUP, "getgrent", netbsdwinbind_getgrent, NULL }, +{ NSDB_GROUP, "getgrent_r", netbsdwinbind_getgrent_r, NULL }, +{ NSDB_GROUP, "getgrgid", netbsdwinbind_getgrgid, NULL }, +{ NSDB_GROUP, "getgrgid_r", netbsdwinbind_getgrgid_r, NULL }, +{ NSDB_GROUP, "getgrnam", netbsdwinbind_getgrnam, NULL }, +{ NSDB_GROUP, "getgrnam_r", netbsdwinbind_getgrnam_r, NULL }, +{ NSDB_GROUP, "setgrent", netbsdwinbind_setgrent, NULL }, +{ NSDB_GROUP, "setgroupent", netbsdwinbind_setgrent, NULL }, +{ NSDB_GROUP, "getgroupmembership", netbsdwinbind_getgroupmembership, NULL }, + +{ NSDB_PASSWD, "endpwent", netbsdwinbind_endpwent, NULL }, +{ NSDB_PASSWD, "getpwent", netbsdwinbind_getpwent, NULL }, +{ NSDB_PASSWD, "getpwent_r", netbsdwinbind_getpwent_r, NULL }, +{ NSDB_PASSWD, "getpwnam", netbsdwinbind_getpwnam, NULL }, +{ NSDB_PASSWD, "getpwnam_r", netbsdwinbind_getpwnam_r, NULL }, +{ NSDB_PASSWD, "getpwuid", netbsdwinbind_getpwuid, NULL }, +{ NSDB_PASSWD, "getpwuid_r", netbsdwinbind_getpwuid_r, NULL }, +{ NSDB_PASSWD, "setpassent", netbsdwinbind_setpwent, NULL }, +{ NSDB_PASSWD, "setpwent", netbsdwinbind_setpwent, NULL }, + +}; + +ns_mtab * +nss_module_register(const char *source, unsigned int *mtabsize, + nss_module_unregister_fn *unreg) +{ + *mtabsize = sizeof(winbind_methods)/sizeof(winbind_methods[0]); + *unreg = NULL; + return (winbind_methods); +} + +#endif /* NSS_MODULE_INTERFACE_VERSION && HAVE_GETPWENT_R */ |