From 459233e6309afc93499d6b8cfd46e93e4e7d5cf3 Mon Sep 17 00:00:00 2001 From: Volker Lendecke Date: Sun, 16 Aug 2009 12:23:31 +0200 Subject: s3:winbind: Convert WINBINDD_GETGRNAM to the new API --- source3/winbindd/winbindd_getgrnam.c | 190 +++++++++++++++++++++++++++++++++++ 1 file changed, 190 insertions(+) create mode 100644 source3/winbindd/winbindd_getgrnam.c (limited to 'source3/winbindd/winbindd_getgrnam.c') diff --git a/source3/winbindd/winbindd_getgrnam.c b/source3/winbindd/winbindd_getgrnam.c new file mode 100644 index 0000000000..85e60a2757 --- /dev/null +++ b/source3/winbindd/winbindd_getgrnam.c @@ -0,0 +1,190 @@ +/* + Unix SMB/CIFS implementation. + async implementation of WINBINDD_GETGRNAM + 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 . +*/ + +#include "includes.h" +#include "winbindd.h" + +struct winbindd_getgrnam_state { + struct tevent_context *ev; + fstring name_domain, name_group; + struct dom_sid sid; + const char *domname; + const char *name; + gid_t gid; + struct talloc_dict *members; +}; + +static void winbindd_getgrnam_lookupsid_done(struct tevent_req *subreq); +static void winbindd_getgrnam_done(struct tevent_req *subreq); + +struct tevent_req *winbindd_getgrnam_send(TALLOC_CTX *mem_ctx, + struct tevent_context *ev, + struct winbindd_request *request) +{ + struct tevent_req *req, *subreq; + struct winbindd_getgrnam_state *state; + struct winbindd_domain *domain; + char *tmp; + NTSTATUS nt_status; + + req = tevent_req_create(mem_ctx, &state, + struct winbindd_getgrnam_state); + if (req == NULL) { + return NULL; + } + state->ev = ev; + + /* Ensure null termination */ + request->data.groupname[sizeof(request->data.groupname)-1]='\0'; + + DEBUG(3, ("getgrnam %s\n", request->data.groupname)); + + nt_status = normalize_name_unmap(state, request->data.groupname, &tmp); + /* If we didn't map anything in the above call, just reset the + tmp pointer to the original string */ + if (!NT_STATUS_IS_OK(nt_status) && + !NT_STATUS_EQUAL(nt_status, NT_STATUS_FILE_RENAMED)) + { + tmp = request->data.groupname; + } + + /* Parse domain and groupname */ + + parse_domain_user(tmp, state->name_domain, state->name_group); + + /* if no domain or our local domain and no local tdb group, default to + * our local domain for aliases */ + + if ( !*(state->name_domain) || strequal(state->name_domain, + get_global_sam_name()) ) { + fstrcpy(state->name_domain, get_global_sam_name()); + } + + /* Get info for the domain */ + + domain = find_domain_from_name_noinit(state->name_domain); + if (domain == NULL) { + DEBUG(3, ("could not get domain sid for domain %s\n", + state->name_domain)); + tevent_req_nterror(req, NT_STATUS_NO_SUCH_GROUP); + return tevent_req_post(req, ev); + } + + /* should we deal with users for our domain? */ + + if ( lp_winbind_trusted_domains_only() && domain->primary) { + DEBUG(7,("winbindd_getgrnam: My domain -- rejecting " + "getgrnam() for %s\\%s.\n", state->name_domain, + state->name_group)); + tevent_req_nterror(req, NT_STATUS_NO_SUCH_GROUP); + return tevent_req_post(req, ev); + } + + subreq = wb_lookupname_send(state, ev, domain->name, state->name_group, + 0); + if (tevent_req_nomem(subreq, req)) { + return tevent_req_post(req, ev); + } + tevent_req_set_callback(subreq, winbindd_getgrnam_lookupsid_done, + req); + return req; +} + +static void winbindd_getgrnam_lookupsid_done(struct tevent_req *subreq) +{ + struct tevent_req *req = tevent_req_callback_data( + subreq, struct tevent_req); + struct winbindd_getgrnam_state *state = tevent_req_data( + req, struct winbindd_getgrnam_state); + enum lsa_SidType type; + NTSTATUS status; + + status = wb_lookupname_recv(subreq, &state->sid, &type); + TALLOC_FREE(subreq); + if (!NT_STATUS_IS_OK(status)) { + tevent_req_nterror(req, status); + return; + } + + if ( (type != SID_NAME_DOM_GRP) && (type != SID_NAME_ALIAS) ) { + DEBUG(5,("getgrnam_recv: not a group!\n")); + tevent_req_nterror(req, NT_STATUS_NO_SUCH_GROUP); + return; + } + + subreq = wb_getgrsid_send(state, state->ev, &state->sid, + lp_winbind_expand_groups()); + if (tevent_req_nomem(subreq, req)) { + return; + } + tevent_req_set_callback(subreq, winbindd_getgrnam_done, req); +} + +static void winbindd_getgrnam_done(struct tevent_req *subreq) +{ + struct tevent_req *req = tevent_req_callback_data( + subreq, struct tevent_req); + struct winbindd_getgrnam_state *state = tevent_req_data( + req, struct winbindd_getgrnam_state); + NTSTATUS status; + + status = wb_getgrsid_recv(subreq, state, &state->domname, &state->name, + &state->gid, &state->members); + TALLOC_FREE(subreq); + if (!NT_STATUS_IS_OK(status)) { + tevent_req_nterror(req, status); + return; + } + tevent_req_done(req); +} + +NTSTATUS winbindd_getgrnam_recv(struct tevent_req *req, + struct winbindd_response *response) +{ + struct winbindd_getgrnam_state *state = tevent_req_data( + req, struct winbindd_getgrnam_state); + NTSTATUS status; + int num_members; + char *buf; + + if (tevent_req_is_nterror(req, &status)) { + DEBUG(5, ("Could not convert sid %s: %s\n", + sid_string_dbg(&state->sid), nt_errstr(status))); + return status; + } + + if (!fill_grent(talloc_tos(), &response->data.gr, state->domname, + state->name, state->gid)) { + DEBUG(5, ("fill_grent failed\n")); + return NT_STATUS_NO_MEMORY; + } + + status = winbindd_print_groupmembers(state->members, response, + &num_members, &buf); + + response->data.gr.num_gr_mem = (uint32)num_members; + + /* Group membership lives at start of extra data */ + + response->data.gr.gr_mem_ofs = 0; + response->extra_data.data = buf; + response->length += talloc_get_size(response->extra_data.data); + + return NT_STATUS_OK; +} -- cgit