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 : char *namespace;
28 : char *domname;
29 : char *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 97706 : 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 0 : struct tevent_req *req, *subreq;
44 0 : struct winbindd_getpwnam_state *state;
45 0 : char *domuser, *mapped_user;
46 0 : NTSTATUS status;
47 0 : bool ok;
48 :
49 97706 : req = tevent_req_create(mem_ctx, &state,
50 : struct winbindd_getpwnam_state);
51 97706 : if (req == NULL) {
52 0 : return NULL;
53 : }
54 97706 : state->ev = ev;
55 :
56 : /* Ensure null termination */
57 97706 : request->data.username[sizeof(request->data.username)-1]='\0';
58 :
59 97706 : 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 97706 : domuser = request->data.username;
66 :
67 97706 : status = normalize_name_unmap(state, domuser, &mapped_user);
68 :
69 97706 : if (NT_STATUS_IS_OK(status)
70 97706 : || NT_STATUS_EQUAL(status, NT_STATUS_FILE_RENAMED)) {
71 : /* normalize_name_unmapped did something */
72 0 : domuser = mapped_user;
73 : }
74 :
75 97706 : ok = parse_domain_user(state,
76 : domuser,
77 97706 : &state->namespace,
78 97706 : &state->domname,
79 97706 : &state->username);
80 97706 : if (!ok) {
81 0 : D_WARNING("Could not parse domain user: %s\n", domuser);
82 0 : tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
83 0 : return tevent_req_post(req, ev);
84 : }
85 :
86 97706 : subreq = wb_lookupname_send(state, ev,
87 97706 : state->namespace,
88 97706 : state->domname,
89 97706 : state->username,
90 : LOOKUP_NAME_NO_NSS);
91 97706 : if (tevent_req_nomem(subreq, req)) {
92 0 : return tevent_req_post(req, ev);
93 : }
94 97706 : tevent_req_set_callback(subreq, winbindd_getpwnam_lookupname_done,
95 : req);
96 97706 : return req;
97 : }
98 :
99 97706 : static void winbindd_getpwnam_lookupname_done(struct tevent_req *subreq)
100 : {
101 97706 : struct tevent_req *req = tevent_req_callback_data(
102 : subreq, struct tevent_req);
103 97706 : struct winbindd_getpwnam_state *state = tevent_req_data(
104 : req, struct winbindd_getpwnam_state);
105 0 : NTSTATUS status;
106 :
107 97706 : status = wb_lookupname_recv(subreq, &state->sid, &state->type);
108 97706 : TALLOC_FREE(subreq);
109 97706 : if (tevent_req_nterror(req, status)) {
110 278 : return;
111 : }
112 :
113 97428 : subreq = wb_getpwsid_send(state, state->ev, &state->sid, &state->pw);
114 97428 : if (tevent_req_nomem(subreq, req)) {
115 0 : return;
116 : }
117 97428 : tevent_req_set_callback(subreq, winbindd_getpwnam_done, req);
118 : }
119 :
120 97428 : static void winbindd_getpwnam_done(struct tevent_req *subreq)
121 : {
122 97428 : struct tevent_req *req = tevent_req_callback_data(
123 : subreq, struct tevent_req);
124 0 : NTSTATUS status;
125 :
126 97428 : status = wb_getpwsid_recv(subreq);
127 97428 : TALLOC_FREE(subreq);
128 97428 : if (tevent_req_nterror(req, status)) {
129 48 : return;
130 : }
131 97380 : tevent_req_done(req);
132 : }
133 :
134 97706 : NTSTATUS winbindd_getpwnam_recv(struct tevent_req *req,
135 : struct winbindd_response *response)
136 : {
137 97706 : struct winbindd_getpwnam_state *state = tevent_req_data(
138 : req, struct winbindd_getpwnam_state);
139 0 : NTSTATUS status;
140 :
141 97706 : if (tevent_req_is_nterror(req, &status)) {
142 0 : struct dom_sid_buf buf;
143 326 : D_WARNING("Could not convert sid %s: %s\n",
144 : dom_sid_str_buf(&state->sid, &buf),
145 : nt_errstr(status));
146 326 : return status;
147 : }
148 97380 : response->data.pw = state->pw;
149 :
150 97380 : D_NOTICE("Winbind external command GETPWNAM end.\n"
151 : "(name:passwd:uid:gid:gecos:dir:shell)\n"
152 : "%s:%s:%u:%u:%s:%s:%s\n",
153 : state->pw.pw_name,
154 : state->pw.pw_passwd,
155 : (unsigned int)state->pw.pw_uid,
156 : (unsigned int)state->pw.pw_gid,
157 : state->pw.pw_gecos,
158 : state->pw.pw_dir,
159 : state->pw.pw_shell
160 : );
161 :
162 97380 : return NT_STATUS_OK;
163 : }
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