diff options
Diffstat (limited to 'source3/winbindd/wb_next_grent.c')
| -rw-r--r-- | source3/winbindd/wb_next_grent.c | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/source3/winbindd/wb_next_grent.c b/source3/winbindd/wb_next_grent.c new file mode 100644 index 0000000..5c2d447 --- /dev/null +++ b/source3/winbindd/wb_next_grent.c @@ -0,0 +1,169 @@ +/* + Unix SMB/CIFS implementation. + async next_grent + 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 "passdb/machine_sid.h" + +struct wb_next_grent_state { + struct tevent_context *ev; + int max_nesting; + struct getgrent_state *gstate; + struct winbindd_gr *gr; + struct db_context *members; +}; + +static void wb_next_grent_fetch_done(struct tevent_req *subreq); +static void wb_next_grent_getgrsid_done(struct tevent_req *subreq); + +static void wb_next_grent_send_do(struct tevent_req *req, + struct wb_next_grent_state *state) +{ + struct tevent_req *subreq; + + if (state->gstate->next_group >= state->gstate->num_groups) { + TALLOC_FREE(state->gstate->groups); + + state->gstate->domain = wb_next_domain(state->gstate->domain); + if (state->gstate->domain == NULL) { + tevent_req_nterror(req, NT_STATUS_NO_MORE_ENTRIES); + return; + } + + subreq = wb_query_group_list_send(state, state->ev, + state->gstate->domain); + if (tevent_req_nomem(subreq, req)) { + return; + } + tevent_req_set_callback(subreq, wb_next_grent_fetch_done, req); + return; + } + + subreq = wb_getgrsid_send( + state, state->ev, + &state->gstate->groups[state->gstate->next_group].sid, + state->max_nesting); + if (tevent_req_nomem(subreq, req)) { + return; + } + tevent_req_set_callback(subreq, wb_next_grent_getgrsid_done, req); +} + +struct tevent_req *wb_next_grent_send(TALLOC_CTX *mem_ctx, + struct tevent_context *ev, + int max_nesting, + struct getgrent_state *gstate, + struct winbindd_gr *gr) +{ + struct tevent_req *req; + struct wb_next_grent_state *state; + + req = tevent_req_create(mem_ctx, &state, struct wb_next_grent_state); + if (req == NULL) { + return NULL; + } + + D_INFO("WB command next_grent start.\n"); + + state->ev = ev; + state->gstate = gstate; + state->gr = gr; + state->max_nesting = max_nesting; + + wb_next_grent_send_do(req, state); + if (!tevent_req_is_in_progress(req)) { + return tevent_req_post(req, ev); + } + + return req; +} + +static void wb_next_grent_fetch_done(struct tevent_req *subreq) +{ + struct tevent_req *req = tevent_req_callback_data( + subreq, struct tevent_req); + struct wb_next_grent_state *state = tevent_req_data( + req, struct wb_next_grent_state); + NTSTATUS status; + + status = wb_query_group_list_recv(subreq, state->gstate, + &state->gstate->num_groups, + &state->gstate->groups); + TALLOC_FREE(subreq); + if (!NT_STATUS_IS_OK(status)) { + /* Ignore errors here, just log it */ + D_DEBUG("query_group_list for domain %s returned %s\n", + state->gstate->domain->name, nt_errstr(status)); + state->gstate->num_groups = 0; + } + + state->gstate->next_group = 0; + + wb_next_grent_send_do(req, state); +} + +static void wb_next_grent_getgrsid_done(struct tevent_req *subreq) +{ + struct tevent_req *req = tevent_req_callback_data( + subreq, struct tevent_req); + struct wb_next_grent_state *state = tevent_req_data( + req, struct wb_next_grent_state); + const char *domname, *name; + NTSTATUS status; + + status = wb_getgrsid_recv(subreq, talloc_tos(), &domname, &name, + &state->gr->gr_gid, &state->members); + TALLOC_FREE(subreq); + + if (NT_STATUS_EQUAL(status, NT_STATUS_NONE_MAPPED)) { + state->gstate->next_group += 1; + + wb_next_grent_send_do(req, state); + + return; + } else if (tevent_req_nterror(req, status)) { + return; + } + + if (!fill_grent(talloc_tos(), state->gr, domname, name, + state->gr->gr_gid)) { + D_WARNING("fill_grent failed\n"); + tevent_req_nterror(req, NT_STATUS_NO_MEMORY); + return; + } + state->gstate->next_group += 1; + tevent_req_done(req); +} + +NTSTATUS wb_next_grent_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx, + struct db_context **members) +{ + struct wb_next_grent_state *state = tevent_req_data( + req, struct wb_next_grent_state); + NTSTATUS status; + + D_INFO("WB command next_grent end.\n"); + if (tevent_req_is_nterror(req, &status)) { + D_WARNING("Failed with %s.\n", nt_errstr(status)); + return status; + } + *members = talloc_move(mem_ctx, &state->members); + return NT_STATUS_OK; +} |