diff options
Diffstat (limited to 'source3/winbindd/wb_next_pwent.c')
| -rw-r--r-- | source3/winbindd/wb_next_pwent.c | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/source3/winbindd/wb_next_pwent.c b/source3/winbindd/wb_next_pwent.c new file mode 100644 index 0000000..f000c64 --- /dev/null +++ b/source3/winbindd/wb_next_pwent.c @@ -0,0 +1,162 @@ +/* + Unix SMB/CIFS implementation. + async next_pwent + Copyright (C) Volker Lendecke 2009 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include "includes.h" +#include "winbindd.h" +#include "librpc/gen_ndr/ndr_winbind_c.h" +#include "libcli/security/dom_sid.h" +#include "passdb/machine_sid.h" + +struct wb_next_pwent_state { + struct tevent_context *ev; + struct getpwent_state *gstate; + struct dom_sid next_sid; + struct winbindd_pw *pw; +}; + +static void wb_next_pwent_fetch_done(struct tevent_req *subreq); +static void wb_next_pwent_fill_done(struct tevent_req *subreq); + +static void wb_next_pwent_send_do(struct tevent_req *req, + struct wb_next_pwent_state *state) +{ + struct tevent_req *subreq; + struct dom_sid_buf buf, buf1; + + if (state->gstate->next_user >= state->gstate->rids.num_rids) { + TALLOC_FREE(state->gstate->rids.rids); + state->gstate->rids.num_rids = 0; + + state->gstate->domain = wb_next_domain(state->gstate->domain); + if (state->gstate->domain == NULL) { + tevent_req_nterror(req, NT_STATUS_NO_MORE_ENTRIES); + return; + } + + D_DEBUG("Query user RID list for domain %s.\n", + state->gstate->domain->name); + subreq = dcerpc_wbint_QueryUserRidList_send( + state, state->ev, + dom_child_handle(state->gstate->domain), + &state->gstate->rids); + if (tevent_req_nomem(subreq, req)) { + return; + } + + tevent_req_set_callback(subreq, wb_next_pwent_fetch_done, req); + return; + } + + sid_compose(&state->next_sid, &state->gstate->domain->sid, + state->gstate->rids.rids[state->gstate->next_user]); + + D_DEBUG("Get pw for SID %s composed from domain SID %s and RID %"PRIu32".\n", + dom_sid_str_buf(&state->next_sid, &buf), + dom_sid_str_buf(&state->gstate->domain->sid, &buf1), + state->gstate->rids.rids[state->gstate->next_user]); + subreq = wb_getpwsid_send(state, state->ev, &state->next_sid, + state->pw); + if (tevent_req_nomem(subreq, req)) { + return; + } + + tevent_req_set_callback(subreq, wb_next_pwent_fill_done, req); +} + +struct tevent_req *wb_next_pwent_send(TALLOC_CTX *mem_ctx, + struct tevent_context *ev, + struct getpwent_state *gstate, + struct winbindd_pw *pw) +{ + struct tevent_req *req; + struct wb_next_pwent_state *state; + + req = tevent_req_create(mem_ctx, &state, struct wb_next_pwent_state); + if (req == NULL) { + return NULL; + } + D_INFO("WB command next_pwent start.\n"); + state->ev = ev; + state->gstate = gstate; + state->pw = pw; + + wb_next_pwent_send_do(req, state); + if (!tevent_req_is_in_progress(req)) { + return tevent_req_post(req, ev); + } + + return req; +} + +static void wb_next_pwent_fetch_done(struct tevent_req *subreq) +{ + struct tevent_req *req = tevent_req_callback_data( + subreq, struct tevent_req); + struct wb_next_pwent_state *state = tevent_req_data( + req, struct wb_next_pwent_state); + NTSTATUS status, result; + + status = dcerpc_wbint_QueryUserRidList_recv(subreq, state->gstate, + &result); + TALLOC_FREE(subreq); + if (any_nt_status_not_ok(status, result, &status)) { + /* Ignore errors here, just log it */ + D_DEBUG("query_user_list for domain %s returned %s\n", + state->gstate->domain->name, + nt_errstr(status)); + state->gstate->rids.num_rids = 0; + } + + state->gstate->next_user = 0; + + wb_next_pwent_send_do(req, state); +} + +static void wb_next_pwent_fill_done(struct tevent_req *subreq) +{ + struct tevent_req *req = tevent_req_callback_data( + subreq, struct tevent_req); + struct wb_next_pwent_state *state = tevent_req_data( + req, struct wb_next_pwent_state); + NTSTATUS status; + + status = wb_getpwsid_recv(subreq); + TALLOC_FREE(subreq); + /* + * When you try to enumerate users with 'getent passwd' and the user + * doesn't have a uid set we should just move on. + */ + if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) { + state->gstate->next_user += 1; + + wb_next_pwent_send_do(req, state); + + return; + } else if (tevent_req_nterror(req, status)) { + return; + } + state->gstate->next_user += 1; + tevent_req_done(req); +} + +NTSTATUS wb_next_pwent_recv(struct tevent_req *req) +{ + D_INFO("WB command next_pwent end.\n"); + return tevent_req_simple_recv_ntstatus(req); +} |