summaryrefslogtreecommitdiff
path: root/src/responder/sudo/sudosrv_dp.c
blob: f544d2930d6470e9a8258c7142b2b207f5bbba39 (plain)
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
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
/*
    Authors:
        Pavel Březina <pbrezina@redhat.com>
        Jakub Hrozek <jhrozek@redhat.com>

    Copyright (C) 2011 Red Hat

    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 <talloc.h>
#include <tevent.h>
#include <dbus/dbus.h>
#include "sbus/sssd_dbus.h"

#include "util/util.h"
#include "sbus/sbus_client.h"
#include "providers/data_provider.h"
#include "responder/common/responder.h"
#include "responder/sudo/sudosrv_private.h"

struct sss_dp_get_sudoers_info {
    struct sss_domain_info *dom;

    bool fast_reply;
    enum sss_dp_type type;
    const char *name;
};

static DBusMessage *
sss_dp_get_sudoers_msg(void *pvt);

struct tevent_req *
sss_dp_get_sudoers_send(TALLOC_CTX *mem_ctx,
                        struct resp_ctx *rctx,
                        struct sss_domain_info *dom,
                        bool fast_reply,
                        enum sss_dp_type type,
                        const char *name)
{
    struct tevent_req *req;
    struct sss_dp_req_state *state;
    struct sss_dp_get_sudoers_info *info;
    errno_t ret;
    char *key;

    req = tevent_req_create(mem_ctx, &state, struct sss_dp_req_state);
    if (!req) {
        ret = ENOMEM;
        goto error;
    }

    if (!dom) {
        ret = EINVAL;
        goto error;
    }

    info = talloc_zero(state, struct sss_dp_get_sudoers_info);
    info->fast_reply = fast_reply;
    info->type = type;
    info->name = name;
    info->dom = dom;

    key = talloc_asprintf(state, "%d:%s@%s", type, name, dom->name);
    if (!key) {
        ret = ENOMEM;
        goto error;
    }

    ret = sss_dp_issue_request(state, rctx, key, dom, sss_dp_get_sudoers_msg,
                               info, req);
    talloc_free(key);
    if (ret != EOK) {
        DEBUG(SSSDBG_OP_FAILURE,
              ("Could not issue DP request [%d]: %s\n",
               ret, strerror(ret)));
        goto error;
    }

    return req;

error:
    tevent_req_error(req, ret);
    tevent_req_post(req, rctx->ev);
    return req;
}

static DBusMessage *
sss_dp_get_sudoers_msg(void *pvt)
{
    DBusMessage *msg;
    dbus_bool_t dbret;
    struct sss_dp_get_sudoers_info *info;
    uint32_t be_type = BE_REQ_SUDO;
    char *filter;

    info = talloc_get_type(pvt, struct sss_dp_get_sudoers_info);

    if (info->fast_reply) {
        be_type |= BE_REQ_FAST;
    }

    filter = talloc_asprintf(info, "name=%s", info->name);
    if (!filter) {
        DEBUG(SSSDBG_CRIT_FAILURE, ("Out of memory?!\n"));
        return NULL;
    }

    msg = dbus_message_new_method_call(NULL,
                                       DP_PATH,
                                       DP_INTERFACE,
                                       DP_METHOD_SUDOHANDLER);
    if (msg == NULL) {
        DEBUG(SSSDBG_CRIT_FAILURE, ("Out of memory?!\n"));
        return NULL;
    }

    /* create the message */
    DEBUG(SSSDBG_TRACE_FUNC,
          ("Creating SUDOers request for [%s][%u][%s]\n",
           info->dom->name, be_type, filter));

    dbret = dbus_message_append_args(msg,
                                     DBUS_TYPE_UINT32, &be_type,
                                     DBUS_TYPE_STRING, &filter,
                                     DBUS_TYPE_INVALID);
    talloc_free(filter);
    if (!dbret) {
        DEBUG(SSSDBG_CRIT_FAILURE, ("Failed to build message\n"));
        dbus_message_unref(msg);
        return NULL;
    }

    return msg;
}

errno_t
sss_dp_get_sudoers_recv(TALLOC_CTX *mem_ctx,
                        struct tevent_req *req,
                        dbus_uint16_t *dp_err,
                        dbus_uint32_t *dp_ret,
                        char **err_msg)
{
    return sss_dp_req_recv(mem_ctx, req, dp_err, dp_ret, err_msg);
}