1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
|
/*
SSSD
NSS Responder
Copyright (C) Simo Sorce <ssorce@redhat.com> 2008
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 "util/util.h"
#include "nss/nsssrv.h"
struct nss_cmd_table {
enum sss_nss_command cmd;
int (*fn)(struct event_context *ev, struct cli_ctx *cctx);
};
static int nss_cmd_get_version(struct event_context *ev,
struct cli_ctx *cctx)
{
uint8_t *body;
size_t blen;
int ret;
/* create response packet */
ret = nss_packet_new(cctx->creq, sizeof(uint32_t),
nss_get_cmd(cctx->creq->in),
&cctx->creq->out);
if (ret != RES_SUCCESS) {
return ret;
}
nss_get_body(cctx->creq->out, &body, &blen);
((uint32_t *)body)[0] = SSS_NSS_VERSION;
/* now that the packet is in place, unlock queue
* making the event writable */
EVENT_FD_WRITEABLE(cctx->cfde);
return RES_SUCCESS;
}
static int nss_cmd_getpwnam(struct event_context *ev,
struct cli_ctx *cctx)
{
uint8_t *body;
size_t blen;
int ret;
const char *name;
/* get user name to query */
nss_get_body(cctx->creq->in, &body, &blen);
name = (const char *)body;
/* if not terminated fail */
if (name[blen -1] != '\0') {
return RES_INVALID_DATA;
}
/* TODO: async search data and return */
/* fake data for now */
/* create response packet */
ret = nss_packet_new(cctx->creq, 4+4+(8+8+4+2+4+10+10),
nss_get_cmd(cctx->creq->in),
&cctx->creq->out);
if (ret != RES_SUCCESS) {
return ret;
}
nss_get_body(cctx->creq->out, &body, &blen);
((uint32_t *)body)[0] = 1; /* 1 result */
((uint32_t *)body)[1] = 0; /* reserved */
((uint64_t *)body)[1] = 1234; /* first result uid */
((uint64_t *)body)[2] = 1234; /* first result gid */
name = "foo\0x\0foo\0/home/foo\0/bin/bash\0";
memcpy(&body[24], name, (8+8+4+2+4+10+10));
/* now that the packet is in place, unlock queue
* making the event writable */
EVENT_FD_WRITEABLE(cctx->cfde);
return RES_SUCCESS;
}
struct nss_cmd_table nss_cmds[] = {
{SSS_NSS_GET_VERSION, nss_cmd_get_version},
{SSS_NSS_GETPWNAM, nss_cmd_getpwnam},
{SSS_NSS_NULL, NULL}
};
int nss_cmd_execute(struct event_context *ev, struct cli_ctx *cctx)
{
enum sss_nss_command cmd;
int i;
cmd = nss_get_cmd(cctx->creq->in);
for (i = 0; nss_cmds[i].cmd != SSS_NSS_NULL; i++) {
if (cmd == nss_cmds[i].cmd) {
return nss_cmds[i].fn(ev, cctx);
}
}
return RES_INVALID_DATA;
}
|
