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-rw-r--r--lib/ldb/nssldb/ldb-pwd.c242
1 files changed, 242 insertions, 0 deletions
diff --git a/lib/ldb/nssldb/ldb-pwd.c b/lib/ldb/nssldb/ldb-pwd.c
new file mode 100644
index 0000000..6ab103a
--- /dev/null
+++ b/lib/ldb/nssldb/ldb-pwd.c
@@ -0,0 +1,242 @@
+/*
+ LDB nsswitch module
+
+ Copyright (C) Simo Sorce 2006
+
+ 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 program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "ldb-nss.h"
+
+extern struct _ldb_nss_context *_ldb_nss_ctx;
+
+const char *_ldb_nss_pw_attrs[] = {
+ "uid",
+ "userPassword",
+ "uidNumber",
+ "gidNumber",
+ "gecos",
+ "homeDirectory",
+ "loginShell",
+ NULL
+};
+
+NSS_STATUS _nss_ldb_setpwent(void)
+{
+ int ret;
+ ret = _ldb_nss_init();
+ if (ret != NSS_STATUS_SUCCESS) {
+ return ret;
+ }
+
+ _ldb_nss_ctx->pw_cur = 0;
+ if (_ldb_nss_ctx->pw_res != NULL) {
+ talloc_free(_ldb_nss_ctx->pw_res);
+ _ldb_nss_ctx->pw_res = NULL;
+ }
+
+ ret = ldb_search(_ldb_nss_ctx->ldb,
+ _ldb_nss_ctx->ldb,
+ &_ldb_nss_ctx->pw_res,
+ _ldb_nss_ctx->base,
+ LDB_SCOPE_SUBTREE,
+ _ldb_nss_pw_attrs,
+ _LDB_NSS_PWENT_FILTER);
+ if (ret != LDB_SUCCESS) {
+ return NSS_STATUS_UNAVAIL;
+ }
+
+ return NSS_STATUS_SUCCESS;
+}
+
+NSS_STATUS _nss_ldb_endpwent(void)
+{
+ int ret;
+
+ ret = _ldb_nss_init();
+ if (ret != NSS_STATUS_SUCCESS) {
+ return ret;
+ }
+
+ _ldb_nss_ctx->pw_cur = 0;
+ if (_ldb_nss_ctx->pw_res) {
+ talloc_free(_ldb_nss_ctx->pw_res);
+ _ldb_nss_ctx->pw_res = NULL;
+ }
+
+ return NSS_STATUS_SUCCESS;
+}
+
+NSS_STATUS _nss_ldb_getpwent_r(struct passwd *result_buf,
+ char *buffer,
+ int buflen,
+ int *errnop)
+{
+ int ret;
+
+ ret = _ldb_nss_init();
+ if (ret != NSS_STATUS_SUCCESS) {
+ return ret;
+ }
+
+ *errnop = 0;
+
+ if (_ldb_nss_ctx->pw_cur >= _ldb_nss_ctx->pw_res->count) {
+ /* already returned all entries */
+ return NSS_STATUS_NOTFOUND;
+ }
+
+ ret = _ldb_nss_fill_passwd(result_buf,
+ buffer,
+ buflen,
+ errnop,
+ _ldb_nss_ctx->pw_res->msgs[_ldb_nss_ctx->pw_cur]);
+ if (ret != NSS_STATUS_SUCCESS) {
+ return ret;
+ }
+
+ _ldb_nss_ctx->pw_cur++;
+
+ return NSS_STATUS_SUCCESS;
+}
+
+NSS_STATUS _nss_ldb_getpwuid_r(uid_t uid, struct passwd *result_buf, char *buffer, size_t buflen, int *errnop)
+{
+ int ret;
+ char *filter;
+ struct ldb_result *res;
+
+ if (uid == 0) { /* we don't serve root uid by policy */
+ *errnop = errno = ENOENT;
+ return NSS_STATUS_NOTFOUND;
+ }
+
+ ret = _ldb_nss_init();
+ if (ret != NSS_STATUS_SUCCESS) {
+ return ret;
+ }
+
+ /* build the filter for this uid */
+ filter = talloc_asprintf(_ldb_nss_ctx, _LDB_NSS_PWUID_FILTER, uid);
+ if (filter == NULL) {
+ /* this is a fatal error */
+ *errnop = errno = ENOMEM;
+ ret = NSS_STATUS_UNAVAIL;
+ goto done;
+ }
+
+ /* search the entry */
+ ret = ldb_search(_ldb_nss_ctx->ldb,
+ _ldb_nss_ctx->ldb,
+ &res,
+ _ldb_nss_ctx->base,
+ LDB_SCOPE_SUBTREE,
+ _ldb_nss_pw_attrs,
+ filter);
+ if (ret != LDB_SUCCESS) {
+ /* this is a fatal error */
+ *errnop = errno = ENOENT;
+ ret = NSS_STATUS_UNAVAIL;
+ goto done;
+ }
+
+ /* if none found return */
+ if (res->count == 0) {
+ *errnop = errno = ENOENT;
+ ret = NSS_STATUS_NOTFOUND;
+ goto done;
+ }
+
+ if (res->count != 1) {
+ /* this is a fatal error */
+ *errnop = errno = ENOENT;
+ ret = NSS_STATUS_UNAVAIL;
+ goto done;
+ }
+
+ /* fill in the passwd struct */
+ ret = _ldb_nss_fill_passwd(result_buf,
+ buffer,
+ buflen,
+ errnop,
+ res->msgs[0]);
+
+done:
+ talloc_free(filter);
+ talloc_free(res);
+ return ret;
+}
+
+NSS_STATUS _nss_ldb_getpwnam_r(const char *name, struct passwd *result_buf, char *buffer, size_t buflen, int *errnop)
+{
+ int ret;
+ char *filter;
+ struct ldb_result *res;
+
+ ret = _ldb_nss_init();
+ if (ret != NSS_STATUS_SUCCESS) {
+ return ret;
+ }
+
+ /* build the filter for this name */
+ filter = talloc_asprintf(_ldb_nss_ctx, _LDB_NSS_PWNAM_FILTER, name);
+ if (filter == NULL) {
+ /* this is a fatal error */
+ *errnop = errno = ENOENT;
+ ret = NSS_STATUS_UNAVAIL;
+ goto done;
+ }
+
+ /* search the entry */
+ ret = ldb_search(_ldb_nss_ctx->ldb,
+ _ldb_nss_ctx->ldb,
+ &res,
+ _ldb_nss_ctx->base,
+ LDB_SCOPE_SUBTREE,
+ _ldb_nss_pw_attrs,
+ filter);
+ if (ret != LDB_SUCCESS) {
+ /* this is a fatal error */
+ *errnop = errno = ENOENT;
+ ret = NSS_STATUS_UNAVAIL;
+ goto done;
+ }
+
+ /* if none found return */
+ if (res->count == 0) {
+ *errnop = errno = ENOENT;
+ ret = NSS_STATUS_NOTFOUND;
+ goto done;
+ }
+
+ if (res->count != 1) {
+ /* this is a fatal error */
+ *errnop = errno = ENOENT;
+ ret = NSS_STATUS_UNAVAIL;
+ goto done;
+ }
+
+ /* fill in the passwd struct */
+ ret = _ldb_nss_fill_passwd(result_buf,
+ buffer,
+ buflen,
+ errnop,
+ res->msgs[0]);
+
+done:
+ talloc_free(filter);
+ talloc_free(res);
+ return ret;
+}
+