#include "includes.h"
#include <tevent.h>
+#include "nsswitch/winbind_client.h"
#include "libcli/wbclient/wbclient.h"
-#include "nsswitch/wb_reqtrans.h"
-#include "system/network.h"
-#include "libcli/util/error.h"
#include "libcli/security/dom_sid.h"
+#include "nsswitch/libwbclient/wbclient.h"
-/**
- * Initialize the wbclient context, talloc_free() when done.
- *
- * \param mem_ctx talloc context to allocate memory from
- * \param msg_ctx message context to use
- * \param
- */
-struct wbc_context *wbc_init(TALLOC_CTX *mem_ctx,
- struct imessaging_context *msg_ctx,
- struct tevent_context *event_ctx)
+NTSTATUS wbc_sids_to_xids(struct id_map *ids, uint32_t count)
{
- struct wbc_context *ctx;
-
- ctx = talloc(mem_ctx, struct wbc_context);
- if (ctx == NULL) return NULL;
-
- ctx->event_ctx = event_ctx;
+ TALLOC_CTX *mem_ctx;
+ uint32_t i;
+ struct wbcDomainSid *sids;
+ struct wbcUnixId *xids;
+ wbcErr result;
+ bool wb_off;
- ctx->irpc_handle = irpc_binding_handle_by_name(ctx, msg_ctx,
- "winbind_server",
- &ndr_table_winbind);
- if (ctx->irpc_handle == NULL) {
- talloc_free(ctx);
- return NULL;
+ mem_ctx = talloc_new(NULL);
+ if (mem_ctx == NULL) {
+ return NT_STATUS_NO_MEMORY;
}
- return ctx;
-}
-
-struct wbc_idmap_state {
- struct composite_context *ctx;
- struct winbind_get_idmap *req;
- struct id_map *ids;
-};
-
-static void sids_to_xids_recv_ids(struct tevent_req *subreq);
-
-struct composite_context *wbc_sids_to_xids_send(struct wbc_context *wbc_ctx,
- TALLOC_CTX *mem_ctx,
- uint32_t count,
- struct id_map *ids)
-{
- struct composite_context *ctx;
- struct wbc_idmap_state *state;
- struct tevent_req *subreq;
-
- DEBUG(5, ("wbc_sids_to_xids called\n"));
-
- ctx = composite_create(mem_ctx, wbc_ctx->event_ctx);
- if (ctx == NULL) return NULL;
-
- state = talloc(ctx, struct wbc_idmap_state);
- if (composite_nomem(state, ctx)) return ctx;
- ctx->private_data = state;
-
- state->req = talloc(state, struct winbind_get_idmap);
- if (composite_nomem(state->req, ctx)) return ctx;
-
- state->req->in.count = count;
- state->req->in.level = WINBIND_IDMAP_LEVEL_SIDS_TO_XIDS;
- state->req->in.ids = ids;
- state->ctx = ctx;
-
- subreq = dcerpc_winbind_get_idmap_r_send(state,
- wbc_ctx->event_ctx,
- wbc_ctx->irpc_handle,
- state->req);
- if (composite_nomem(subreq, ctx)) return ctx;
-
- tevent_req_set_callback(subreq, sids_to_xids_recv_ids, state);
-
- return ctx;
-}
-
-static void sids_to_xids_recv_ids(struct tevent_req *subreq)
-{
- struct wbc_idmap_state *state =
- tevent_req_callback_data(subreq,
- struct wbc_idmap_state);
-
- state->ctx->status = dcerpc_winbind_get_idmap_r_recv(subreq, state);
- TALLOC_FREE(subreq);
- if (!composite_is_ok(state->ctx)) return;
-
- state->ids = state->req->out.ids;
- composite_done(state->ctx);
-}
-
-NTSTATUS wbc_sids_to_xids_recv(struct composite_context *ctx,
- struct id_map **ids)
-{
- NTSTATUS status = composite_wait(ctx);
- DEBUG(5, ("wbc_sids_to_xids_recv called\n"));
- if (NT_STATUS_IS_OK(status)) {
- struct wbc_idmap_state *state = talloc_get_type_abort(
- ctx->private_data,
- struct wbc_idmap_state);
- *ids = state->ids;
+ sids = talloc_array(mem_ctx, struct wbcDomainSid, count);
+ if (sids == NULL) {
+ TALLOC_FREE(mem_ctx);
+ return NT_STATUS_NO_MEMORY;
}
- return status;
-}
-
-static void xids_to_sids_recv_ids(struct tevent_req *subreq);
-
-struct composite_context *wbc_xids_to_sids_send(struct wbc_context *wbc_ctx,
- TALLOC_CTX *mem_ctx,
- uint32_t count,
- struct id_map *ids)
-{
- struct composite_context *ctx;
- struct wbc_idmap_state *state;
- struct tevent_req *subreq;
-
- DEBUG(5, ("wbc_xids_to_sids called\n"));
-
- ctx = composite_create(mem_ctx, wbc_ctx->event_ctx);
- if (ctx == NULL) return NULL;
-
- state = talloc(ctx, struct wbc_idmap_state);
- if (composite_nomem(state, ctx)) return ctx;
- ctx->private_data = state;
-
- state->req = talloc(state, struct winbind_get_idmap);
- if (composite_nomem(state->req, ctx)) return ctx;
-
- state->req->in.count = count;
- state->req->in.level = WINBIND_IDMAP_LEVEL_XIDS_TO_SIDS;
- state->req->in.ids = ids;
- state->ctx = ctx;
-
- subreq = dcerpc_winbind_get_idmap_r_send(state,
- wbc_ctx->event_ctx,
- wbc_ctx->irpc_handle,
- state->req);
- if (composite_nomem(subreq, ctx)) return ctx;
-
- tevent_req_set_callback(subreq, xids_to_sids_recv_ids, state);
-
- return ctx;
-}
-
-static void xids_to_sids_recv_ids(struct tevent_req *subreq)
-{
- struct wbc_idmap_state *state =
- tevent_req_callback_data(subreq,
- struct wbc_idmap_state);
-
- state->ctx->status = dcerpc_winbind_get_idmap_r_recv(subreq, state);
- TALLOC_FREE(subreq);
- if (!composite_is_ok(state->ctx)) return;
-
- state->ids = state->req->out.ids;
- composite_done(state->ctx);
-}
-
-NTSTATUS wbc_xids_to_sids_recv(struct composite_context *ctx,
- struct id_map **ids)
-{
- NTSTATUS status = composite_wait(ctx);
- DEBUG(5, ("wbc_xids_to_sids_recv called\n"));
- if (NT_STATUS_IS_OK(status)) {
- struct wbc_idmap_state *state = talloc_get_type_abort(
- ctx->private_data,
- struct wbc_idmap_state);
- *ids = state->ids;
+ xids = talloc_array(mem_ctx, struct wbcUnixId, count);
+ if (xids == NULL) {
+ TALLOC_FREE(mem_ctx);
+ return NT_STATUS_NO_MEMORY;
}
- return status;
-}
-
-static int wb_simple_trans(struct tevent_context *ev, int fd,
- struct winbindd_request *wb_req,
- TALLOC_CTX *mem_ctx,
- struct winbindd_response **resp, int *err)
-{
- struct tevent_req *req;
- bool polled;
- int ret;
-
- req = wb_simple_trans_send(ev, ev, NULL, fd, wb_req);
- if (req == NULL) {
- *err = ENOMEM;
- return -1;
+ for (i=0; i<count; i++) {
+ memcpy(&sids[i], ids[i].sid, sizeof(struct dom_sid));
}
- polled = tevent_req_poll(req, ev);
- if (!polled) {
- *err = errno;
- DEBUG(10, ("tevent_req_poll returned %s\n",
- strerror(*err)));
- return -1;
+ wb_off = winbind_env_set();
+ if (wb_off) {
+ (void)winbind_on();
}
- ret = wb_simple_trans_recv(req, mem_ctx, resp, err);
- TALLOC_FREE(req);
- return ret;
-}
-
-static const char *winbindd_socket_dir(void)
-{
-#ifdef SOCKET_WRAPPER
- const char *env_dir;
+ result = wbcSidsToUnixIds(sids, count, xids);
- env_dir = getenv(WINBINDD_SOCKET_DIR_ENVVAR);
- if (env_dir) {
- return env_dir;
+ if (wb_off) {
+ (void)winbind_off();
}
-#endif
- return WINBINDD_SOCKET_DIR;
-}
-
-static int winbindd_pipe_sock(void)
-{
- struct sockaddr_un sunaddr = {};
- int ret, fd;
- char *path;
-
- ret = asprintf(&path, "%s/%s", winbindd_socket_dir(),
- WINBINDD_SOCKET_NAME);
- if (ret == -1) {
- errno = ENOMEM;
- return -1;
+ if (!WBC_ERROR_IS_OK(result)) {
+ TALLOC_FREE(mem_ctx);
+ return NT_STATUS_INTERNAL_ERROR;
}
- sunaddr.sun_family = AF_UNIX;
- strlcpy(sunaddr.sun_path, path, sizeof(sunaddr.sun_path));
- free(path);
- fd = socket(AF_UNIX, SOCK_STREAM, 0);
- if (fd == -1) {
- return -1;
- }
+ for (i=0; i<count; i++) {
+ struct wbcUnixId *xid = &xids[i];
+ struct unixid *id = &ids[i].xid;
- ret = connect(fd, (struct sockaddr *)&sunaddr, sizeof(sunaddr));
- if (ret == -1) {
- int err = errno;
- close(fd);
- errno = err;
- return -1;
+ switch (xid->type) {
+ case WBC_ID_TYPE_UID:
+ id->type = ID_TYPE_UID;
+ id->id = xid->id.uid;
+ break;
+ case WBC_ID_TYPE_GID:
+ id->type = ID_TYPE_GID;
+ id->id = xid->id.gid;
+ break;
+ case WBC_ID_TYPE_BOTH:
+ id->type = ID_TYPE_BOTH;
+ id->id = xid->id.uid;
+ break;
+ case WBC_ID_TYPE_NOT_SPECIFIED:
+ id->type = ID_TYPE_NOT_SPECIFIED;
+ id->id = UINT32_MAX;
+ break;
+ }
+ ids[i].status = ID_MAPPED;
}
- return fd;
+ TALLOC_FREE(mem_ctx);
+
+ return NT_STATUS_OK;
}
-NTSTATUS wbc_sids_to_xids(struct tevent_context *ev, struct id_map *ids,
+NTSTATUS wbc_xids_to_sids(struct tevent_context *ev, struct id_map *ids,
uint32_t count)
{
TALLOC_CTX *mem_ctx;
- struct winbindd_request req = {};
- struct winbindd_response *resp;
uint32_t i;
- int fd, ret, err;
- char *sids, *p;
- size_t sidslen;
-
- fd = winbindd_pipe_sock();
- if (fd == -1) {
- return map_nt_error_from_unix_common(errno);
- }
+ struct wbcDomainSid *sids;
+ struct wbcUnixId *xids;
+ wbcErr result;
+ bool wb_off;
mem_ctx = talloc_new(NULL);
if (mem_ctx == NULL) {
- close(fd);
return NT_STATUS_NO_MEMORY;
}
- sidslen = count * (DOM_SID_STR_BUFLEN + 1);
-
- sids = talloc_array(mem_ctx, char, sidslen);
+ sids = talloc_array(mem_ctx, struct wbcDomainSid, count);
if (sids == NULL) {
- close(fd);
TALLOC_FREE(mem_ctx);
return NT_STATUS_NO_MEMORY;
}
- p = sids;
+ xids = talloc_array(mem_ctx, struct wbcUnixId, count);
+ if (xids == NULL) {
+ TALLOC_FREE(mem_ctx);
+ return NT_STATUS_NO_MEMORY;
+ }
+
for (i=0; i<count; i++) {
- p += dom_sid_string_buf(ids[i].sid, p, sidslen - (p - sids));
- *p++ = '\n';
+ struct id_map *id = &ids[i];
+ struct wbcUnixId *xid = &xids[i];
+
+ switch (id->xid.type) {
+ case ID_TYPE_UID:
+ *xid = (struct wbcUnixId) {
+ .type = WBC_ID_TYPE_UID,
+ .id.uid = id->xid.id
+ };
+ break;
+ case ID_TYPE_GID:
+ *xid = (struct wbcUnixId) {
+ .type = WBC_ID_TYPE_GID,
+ .id.uid = id->xid.id
+ };
+ break;
+ default:
+ TALLOC_FREE(mem_ctx);
+ return NT_STATUS_NOT_FOUND;
+ }
}
- *p++ = '\0';
- DEBUG(10, ("sids=\n%s", sids));
+ wb_off = winbind_env_set();
+ if (wb_off) {
+ (void)winbind_on();
+ }
- req.length = sizeof(struct winbindd_request);
- req.cmd = WINBINDD_SIDS_TO_XIDS;
- req.pid = getpid();
- req.extra_data.data = sids;
- req.extra_len = sidslen;
+ result = wbcUnixIdsToSids(xids, count, sids);
- ret = wb_simple_trans(ev, fd, &req, mem_ctx, &resp, &err);
- if (ret == -1) {
- return map_nt_error_from_unix_common(err);
+ if (wb_off) {
+ (void)winbind_off();
}
- close(fd);
-
- p = resp->extra_data.data;
+ if (!WBC_ERROR_IS_OK(result)) {
+ TALLOC_FREE(mem_ctx);
+ return NT_STATUS_INTERNAL_ERROR;
+ }
for (i=0; i<count; i++) {
- struct unixid *id = &ids[i].xid;
- char *q;
-
- switch (p[0]) {
- case 'U':
- id->type = ID_TYPE_UID;
- id->id = strtoul(p+1, &q, 10);
- break;
- case 'G':
- id->type = ID_TYPE_GID;
- id->id = strtoul(p+1, &q, 10);
- break;
- case 'B':
- id->type = ID_TYPE_BOTH;
- id->id = strtoul(p+1, &q, 10);
- break;
- default:
- id->type = ID_TYPE_NOT_SPECIFIED;
- id->id = UINT32_MAX;
- q = strchr(p, '\n');
- break;
- };
- ids[i].status = ID_MAPPED;
-
- if (q == NULL || q[0] != '\n') {
- TALLOC_FREE(mem_ctx);
- return NT_STATUS_INTERNAL_ERROR;
+ struct wbcDomainSid *sid = &sids[i];
+ struct wbcDomainSid null_sid = { 0 };
+ struct id_map *id = &ids[i];
+
+ if (memcmp(sid, &null_sid, sizeof(*sid)) != 0) {
+ struct dom_sid domsid;
+ id->status = ID_MAPPED;
+
+ memcpy(&domsid, sid, sizeof(struct dom_sid));
+ id->sid = dom_sid_dup(ids, &domsid);
+ if (id->sid == NULL) {
+ TALLOC_FREE(mem_ctx);
+ return NT_STATUS_NO_MEMORY;
+ }
+ } else {
+ id->status = ID_UNMAPPED;
+ id->sid = NULL;
}
- p = q+1;
}
+ TALLOC_FREE(mem_ctx);
return NT_STATUS_OK;
}