Line data Source code
1 : /*
2 : Unix SMB/CIFS implementation.
3 : async implementation of WINBINDD_GETPWNAM
4 : Copyright (C) Volker Lendecke 2009
5 :
6 : This program is free software; you can redistribute it and/or modify
7 : it under the terms of the GNU General Public License as published by
8 : the Free Software Foundation; either version 3 of the License, or
9 : (at your option) any later version.
10 :
11 : This program is distributed in the hope that it will be useful,
12 : but WITHOUT ANY WARRANTY; without even the implied warranty of
13 : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 : GNU General Public License for more details.
15 :
16 : You should have received a copy of the GNU General Public License
17 : along with this program. If not, see <http://www.gnu.org/licenses/>.
18 : */
19 :
20 : #include "includes.h"
21 : #include "winbindd.h"
22 : #include "passdb/lookup_sid.h" /* only for LOOKUP_NAME_NO_NSS flag */
23 : #include "libcli/security/dom_sid.h"
24 :
25 : struct winbindd_getpwnam_state {
26 : struct tevent_context *ev;
27 : fstring namespace;
28 : fstring domname;
29 : fstring username;
30 : struct dom_sid sid;
31 : enum lsa_SidType type;
32 : struct winbindd_pw pw;
33 : };
34 :
35 : static void winbindd_getpwnam_lookupname_done(struct tevent_req *subreq);
36 : static void winbindd_getpwnam_done(struct tevent_req *subreq);
37 :
38 3996 : struct tevent_req *winbindd_getpwnam_send(TALLOC_CTX *mem_ctx,
39 : struct tevent_context *ev,
40 : struct winbindd_cli_state *cli,
41 : struct winbindd_request *request)
42 : {
43 : struct tevent_req *req, *subreq;
44 : struct winbindd_getpwnam_state *state;
45 : char *domuser, *mapped_user;
46 : NTSTATUS status;
47 : bool ok;
48 :
49 3996 : req = tevent_req_create(mem_ctx, &state,
50 : struct winbindd_getpwnam_state);
51 3996 : if (req == NULL) {
52 0 : return NULL;
53 : }
54 3996 : state->ev = ev;
55 :
56 : /* Ensure null termination */
57 3996 : request->data.username[sizeof(request->data.username)-1]='\0';
58 :
59 3996 : D_NOTICE("[%s (%u)] Winbind external command GETPWNAM start.\n"
60 : "Query username '%s'.\n",
61 : cli->client_name,
62 : (unsigned int)cli->pid,
63 : request->data.username);
64 :
65 3996 : domuser = request->data.username;
66 :
67 3996 : status = normalize_name_unmap(state, domuser, &mapped_user);
68 :
69 3996 : if (NT_STATUS_IS_OK(status)
70 3996 : || NT_STATUS_EQUAL(status, NT_STATUS_FILE_RENAMED)) {
71 : /* normalize_name_unmapped did something */
72 0 : domuser = mapped_user;
73 : }
74 :
75 3996 : ok = parse_domain_user(domuser,
76 3996 : state->namespace,
77 3996 : state->domname,
78 3996 : state->username);
79 3996 : if (!ok) {
80 0 : D_WARNING("Could not parse domain user: %s\n", domuser);
81 0 : tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
82 0 : return tevent_req_post(req, ev);
83 : }
84 :
85 3996 : subreq = wb_lookupname_send(state, ev,
86 3996 : state->namespace,
87 3996 : state->domname,
88 3996 : state->username,
89 : LOOKUP_NAME_NO_NSS);
90 3996 : if (tevent_req_nomem(subreq, req)) {
91 0 : return tevent_req_post(req, ev);
92 : }
93 3996 : tevent_req_set_callback(subreq, winbindd_getpwnam_lookupname_done,
94 : req);
95 3996 : return req;
96 : }
97 :
98 3996 : static void winbindd_getpwnam_lookupname_done(struct tevent_req *subreq)
99 : {
100 3996 : struct tevent_req *req = tevent_req_callback_data(
101 : subreq, struct tevent_req);
102 3996 : struct winbindd_getpwnam_state *state = tevent_req_data(
103 : req, struct winbindd_getpwnam_state);
104 : NTSTATUS status;
105 :
106 3996 : status = wb_lookupname_recv(subreq, &state->sid, &state->type);
107 3996 : TALLOC_FREE(subreq);
108 3996 : if (tevent_req_nterror(req, status)) {
109 870 : return;
110 : }
111 :
112 3550 : subreq = wb_getpwsid_send(state, state->ev, &state->sid, &state->pw);
113 3550 : if (tevent_req_nomem(subreq, req)) {
114 0 : return;
115 : }
116 3550 : tevent_req_set_callback(subreq, winbindd_getpwnam_done, req);
117 : }
118 :
119 3550 : static void winbindd_getpwnam_done(struct tevent_req *subreq)
120 : {
121 3550 : struct tevent_req *req = tevent_req_callback_data(
122 : subreq, struct tevent_req);
123 : NTSTATUS status;
124 :
125 3550 : status = wb_getpwsid_recv(subreq);
126 3550 : TALLOC_FREE(subreq);
127 3550 : if (tevent_req_nterror(req, status)) {
128 48 : return;
129 : }
130 3502 : tevent_req_done(req);
131 : }
132 :
133 3996 : NTSTATUS winbindd_getpwnam_recv(struct tevent_req *req,
134 : struct winbindd_response *response)
135 : {
136 3996 : struct winbindd_getpwnam_state *state = tevent_req_data(
137 : req, struct winbindd_getpwnam_state);
138 : NTSTATUS status;
139 :
140 3996 : if (tevent_req_is_nterror(req, &status)) {
141 : struct dom_sid_buf buf;
142 494 : D_WARNING("Could not convert sid %s: %s\n",
143 : dom_sid_str_buf(&state->sid, &buf),
144 : nt_errstr(status));
145 494 : return status;
146 : }
147 3502 : response->data.pw = state->pw;
148 :
149 3502 : D_NOTICE("Winbind external command GETPWNAM end.\n"
150 : "(name:passwd:uid:gid:gecos:dir:shell)\n"
151 : "%s:%s:%u:%u:%s:%s:%s\n",
152 : state->pw.pw_name,
153 : state->pw.pw_passwd,
154 : (unsigned int)state->pw.pw_uid,
155 : (unsigned int)state->pw.pw_gid,
156 : state->pw.pw_gecos,
157 : state->pw.pw_dir,
158 : state->pw.pw_shell
159 : );
160 :
161 3502 : return NT_STATUS_OK;
162 : }
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