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author | Volker Lendecke <vl@samba.org> | 2009-08-17 23:13:48 +0200 |
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committer | Volker Lendecke <vl@samba.org> | 2009-08-29 19:42:26 +0200 |
commit | 9c30a8dc6fffd592592a108f3d9d93769ba74417 (patch) | |
tree | 2dcf9b86aef2e3c57b334f67133448e5524e2dbc /source3/winbindd/winbindd_getpwent.c | |
parent | 6e2bf7e23480cb467288adac145ec2853aeaa11d (diff) | |
download | samba-9c30a8dc6fffd592592a108f3d9d93769ba74417.tar.gz |
s3:winbind: Convert the GETPWENT routines to the new API
Diffstat (limited to 'source3/winbindd/winbindd_getpwent.c')
-rw-r--r-- | source3/winbindd/winbindd_getpwent.c | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/source3/winbindd/winbindd_getpwent.c b/source3/winbindd/winbindd_getpwent.c new file mode 100644 index 00000000000..a0658747dae --- /dev/null +++ b/source3/winbindd/winbindd_getpwent.c @@ -0,0 +1,145 @@ +/* + Unix SMB/CIFS implementation. + async implementation of WINBINDD_SETPWENT + 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" + +struct winbindd_getpwent_state { + struct tevent_context *ev; + struct winbindd_cli_state *cli; + int max_users; + int num_users; + struct winbindd_pw *users; +}; + +static void winbindd_getpwent_done(struct tevent_req *subreq); + +struct tevent_req *winbindd_getpwent_send(TALLOC_CTX *mem_ctx, + struct tevent_context *ev, + struct winbindd_cli_state *cli, + struct winbindd_request *request) +{ + struct tevent_req *req, *subreq; + struct winbindd_getpwent_state *state; + + req = tevent_req_create(mem_ctx, &state, + struct winbindd_getpwent_state); + if (req == NULL) { + return NULL; + } + state->ev = ev; + state->num_users = 0; + state->cli = cli; + + DEBUG(3, ("[%5lu]: getpwent\n", (unsigned long)cli->pid)); + + if (!lp_winbind_enum_users()) { + tevent_req_nterror(req, NT_STATUS_NO_MORE_ENTRIES); + return tevent_req_post(req, ev); + } + + if (cli->pwent_state == NULL) { + tevent_req_nterror(req, NT_STATUS_NO_MORE_ENTRIES); + return tevent_req_post(req, ev); + } + + state->max_users = MIN(500, request->data.num_entries); + if (state->max_users == 0) { + tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER); + return tevent_req_post(req, ev); + } + + state->users = talloc_zero_array(state, struct winbindd_pw, + state->max_users); + if (tevent_req_nomem(state->users, req)) { + return tevent_req_post(req, ev); + } + + subreq = wb_next_pwent_send(state, ev, cli->pwent_state, + &state->users[state->num_users]); + if (tevent_req_nomem(subreq, req)) { + return tevent_req_post(req, ev); + } + tevent_req_set_callback(subreq, winbindd_getpwent_done, req); + return req; +} + +static void winbindd_getpwent_done(struct tevent_req *subreq) +{ + struct tevent_req *req = tevent_req_callback_data( + subreq, struct tevent_req); + struct winbindd_getpwent_state *state = tevent_req_data( + req, struct winbindd_getpwent_state); + NTSTATUS status; + + status = wb_next_pwent_recv(subreq); + TALLOC_FREE(subreq); + if (NT_STATUS_EQUAL(status, NT_STATUS_NO_MORE_ENTRIES)) { + DEBUG(10, ("winbindd_getpwent_done: done with %d users\n", + (int)state->num_users)); + TALLOC_FREE(state->cli->pwent_state); + tevent_req_done(req); + return; + } + if (!NT_STATUS_IS_OK(status)) { + tevent_req_nterror(req, status); + return; + } + state->num_users += 1; + if (state->num_users >= state->max_users) { + DEBUG(10, ("winbindd_getpwent_done: Got enough users: %d\n", + (int)state->num_users)); + tevent_req_done(req); + return; + } + if (state->cli->pwent_state == NULL) { + DEBUG(10, ("winbindd_getpwent_done: endpwent called in " + "between\n")); + tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER); + return; + } + subreq = wb_next_pwent_send(state, state->ev, state->cli->pwent_state, + &state->users[state->num_users]); + if (tevent_req_nomem(subreq, req)) { + return; + } + tevent_req_set_callback(subreq, winbindd_getpwent_done, req); +} + +NTSTATUS winbindd_getpwent_recv(struct tevent_req *req, + struct winbindd_response *response) +{ + struct winbindd_getpwent_state *state = tevent_req_data( + req, struct winbindd_getpwent_state); + NTSTATUS status; + + if (tevent_req_is_nterror(req, &status)) { + DEBUG(5, ("getpwent failed: %s\n", nt_errstr(status))); + return status; + } + + if (state->num_users == 0) { + return NT_STATUS_NO_MORE_ENTRIES; + } + + response->data.num_entries = state->num_users; + response->extra_data.data = talloc_move(response, &state->users); + response->length += state->num_users * sizeof(struct winbindd_pw); + return NT_STATUS_OK; +} |