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authorKai Blin <kai@samba.org>2009-03-31 23:10:48 +0200
committerKai Blin <kai@samba.org>2010-02-11 23:56:34 +0100
commit4ff1906357659a040aa90bcd51dd1974ec405001 (patch)
treed89d7f922ecb2dc1f7ebd20c0535c23a361878f4
parent33bbe1cafda93d493509f5dabfdb0ed7bbe69a71 (diff)
downloadsamba-4ff1906357659a040aa90bcd51dd1974ec405001.tar.gz
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libwbclient: Implement wbcSidToUid_send/recv
-rw-r--r--nsswitch/libwbclient/wbc_async.h8
-rw-r--r--nsswitch/libwbclient/wbc_idmap.c100
2 files changed, 108 insertions, 0 deletions
diff --git a/nsswitch/libwbclient/wbc_async.h b/nsswitch/libwbclient/wbc_async.h
index 15115f2b7b..6e90ad722c 100644
--- a/nsswitch/libwbclient/wbc_async.h
+++ b/nsswitch/libwbclient/wbc_async.h
@@ -92,6 +92,14 @@ struct tevent_req *wb_simple_trans_send(TALLOC_CTX *mem_ctx,
int wb_simple_trans_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
struct winbindd_response **presponse, int *err);
+/* Async functions from wbc_idmap.c */
+
+struct tevent_req *wbcSidToUid_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct wb_context *wb_ctx,
+ const struct wbcDomainSid *sid);
+wbcErr wbcSidToUid_recv(struct tevent_req *req, uid_t *puid);
+
/* Async functions from wbc_util.c */
struct tevent_req *wbcPing_send(TALLOC_CTX *mem_ctx,
diff --git a/nsswitch/libwbclient/wbc_idmap.c b/nsswitch/libwbclient/wbc_idmap.c
index 10a02fd505..5283339ff3 100644
--- a/nsswitch/libwbclient/wbc_idmap.c
+++ b/nsswitch/libwbclient/wbc_idmap.c
@@ -4,6 +4,7 @@
Winbind client API
Copyright (C) Gerald (Jerry) Carter 2007
+ Copyright (C) Kai Blin 2009
This library is free software; you can redistribute it and/or
@@ -25,6 +26,105 @@
#include "replace.h"
#include "libwbclient.h"
+struct wbc_sid_to_uid_state {
+ struct winbindd_request req;
+ uid_t uid;
+};
+
+static void wbcSidToUid_done(struct tevent_req *subreq);
+
+/**
+ * @brief Convert a Windows SID to a Unix uid, allocating an uid if needed
+ *
+ * @param mem_ctx talloc context to allocate the request from
+ * @param ev tevent context to use for async operation
+ * @param wb_ctx winbind context to use
+ * @param *sid pointer to the domain SID to be resolved
+ *
+ * @return tevent_req on success, NULL on error
+ */
+
+struct tevent_req *wbcSidToUid_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct wb_context *wb_ctx,
+ const struct wbcDomainSid *sid)
+{
+ struct tevent_req *req, *subreq;
+ struct wbc_sid_to_uid_state *state;
+ char *sid_string;
+ wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
+
+ req = tevent_req_create(mem_ctx, &state, struct wbc_sid_to_uid_state);
+ if (req == NULL) {
+ return NULL;
+ }
+
+ ZERO_STRUCT(state->req);
+
+ state->req.cmd = WINBINDD_SID_TO_UID;
+ wbc_status = wbcSidToString(sid, &sid_string);
+ if (!WBC_ERROR_IS_OK(wbc_status)) {
+ return tevent_req_post(req, ev);
+ }
+ strncpy(state->req.data.sid, sid_string, sizeof(state->req.data.sid)-1);
+ wbcFreeMemory(sid_string);
+
+ subreq = wb_trans_send(state, ev, wb_ctx, false, &state->req);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+
+ tevent_req_set_callback(subreq, wbcSidToUid_done, req);
+ return req;
+}
+
+static void wbcSidToUid_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct wbc_sid_to_uid_state *state = tevent_req_data(
+ req, struct wbc_sid_to_uid_state);
+ struct winbindd_response *resp;
+ wbcErr wbc_status;
+
+ wbc_status = wb_trans_recv(subreq, state, &resp);
+ TALLOC_FREE(subreq);
+ if (!WBC_ERROR_IS_OK(wbc_status)) {
+ tevent_req_error(req, wbc_status);
+ return;
+ }
+ state->uid = resp->data.uid;
+ TALLOC_FREE(resp);
+
+ tevent_req_done(req);
+}
+
+/**
+ * @brief Receive a Unix uid mapped to a Windows SID
+ *
+ * @param req tevent_req containing the request
+ * @param *puid pointer to hold the resolved uid_t value
+ *
+ * @return #wbcErr
+ */
+
+wbcErr wbcSidToUid_recv(struct tevent_req *req, uid_t *puid)
+{
+ struct wbc_sid_to_uid_state *state = tevent_req_data(
+ req, struct wbc_sid_to_uid_state);
+ wbcErr wbc_status;
+
+ if (tevent_req_is_wbcerr(req, &wbc_status)) {
+ tevent_req_received(req);
+ return wbc_status;
+ }
+
+ *puid = state->uid;
+
+ tevent_req_received(req);
+ return WBC_ERR_SUCCESS;
+}
+
/* Convert a Windows SID to a Unix uid, allocating an uid if needed */
wbcErr wbcSidToUid(const struct wbcDomainSid *sid, uid_t *puid)
{