summaryrefslogtreecommitdiffstats
path: root/src/providers/ipa/ipa_subdomains_id.c
blob: eed8170c916e898e758e074d8aeb9503b0784fac (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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
/*
    SSSD

    IPA Identity Backend Module for sub-domains

    Authors:
        Sumit Bose <sbose@redhat.com>

    Copyright (C) 2012 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 <errno.h>

#include "util/util.h"
#include "util/strtonum.h"
#include "db/sysdb.h"
#include "providers/ldap/ldap_common.h"
#include "providers/ldap/sdap_async.h"
#include "providers/ipa/ipa_id.h"

struct ipa_user_get_state {
    struct tevent_context *ev;
    struct sdap_id_ctx *ctx;
    struct sdap_id_op *op;
    struct sysdb_ctx *sysdb;
    struct sss_domain_info *domain;

    int entry_type;
    const char *filter;
    int filter_type;

    const char **attrs;

    int dp_error;
};

static int ipa_get_subdomain_account_info_retry(struct tevent_req *req);
static void ipa_get_subdomain_account_info_connect_done(struct tevent_req *subreq);
static void ipa_get_subdomain_account_info_done(struct tevent_req *subreq);
struct tevent_req *ipa_get_subdomain_account_info_send(TALLOC_CTX *memctx,
                                                      struct tevent_context *ev,
                                                      struct sdap_id_ctx *ctx,
                                                      struct be_acct_req *ar)
{
    struct tevent_req *req;
    struct ipa_user_get_state *state;
    int ret;

    req = tevent_req_create(memctx, &state, struct ipa_user_get_state);
    if (!req) return NULL;

    state->ev = ev;
    state->ctx = ctx;
    state->dp_error = DP_ERR_FATAL;

    state->op = sdap_id_op_create(state, state->ctx->conn_cache);
    if (!state->op) {
        DEBUG(SSSDBG_OP_FAILURE, ("sdap_id_op_create failed\n"));
        ret = ENOMEM;
        goto fail;
    }

    state->domain = new_subdomain(state, state->ctx->be->domain, ar->domain,
                                  NULL, NULL);
    if (state->domain == NULL) {
        DEBUG(SSSDBG_OP_FAILURE, ("new_subdomain failed.\n"));
        ret = ENOMEM;
        goto fail;
    }
    state->sysdb = state->domain->sysdb;

    state->entry_type = (ar->entry_type & 0xFFF);
    state->filter = ar->filter_value;
    state->filter_type = ar->filter_type;

    switch (state->entry_type) {
        case BE_REQ_USER:
            ret = build_attrs_from_map(state, ctx->opts->user_map,
                                       SDAP_OPTS_USER, NULL,
                                       &state->attrs, NULL);
            break;
        case BE_REQ_GROUP:
            ret = build_attrs_from_map(state, ctx->opts->group_map,
                                       SDAP_OPTS_GROUP, NULL,
                                       &state->attrs, NULL);
            break;
        default:
            ret = EINVAL;
            DEBUG(SSSDBG_OP_FAILURE, ("Invalid sub-domain request type.\n"));
    }
    if (ret != EOK) goto fail;

    ret = ipa_get_subdomain_account_info_retry(req);
    if (ret != EOK) {
        goto fail;
    }

    return req;

fail:
    tevent_req_error(req, ret);
    tevent_req_post(req, ev);
    return req;
}

static int ipa_get_subdomain_account_info_retry(struct tevent_req *req)
{
    struct ipa_user_get_state *state = tevent_req_data(req,
                                                    struct ipa_user_get_state);
    struct tevent_req *subreq;
    int ret = EOK;

    subreq = sdap_id_op_connect_send(state->op, state, &ret);
    if (!subreq) {
        return ret;
    }

    tevent_req_set_callback(subreq, ipa_get_subdomain_account_info_connect_done,
                            req);
    return EOK;
}

static void ipa_get_subdomain_account_info_connect_done(struct tevent_req *subreq)
{
    struct tevent_req *req = tevent_req_callback_data(subreq,
                                                      struct tevent_req);
    struct ipa_user_get_state *state = tevent_req_data(req,
                                                     struct ipa_user_get_state);
    int dp_error = DP_ERR_FATAL;
    int ret;
    const char *name;
    uint32_t id;
    char *endptr;

    ret = sdap_id_op_connect_recv(subreq, &dp_error);
    talloc_zfree(subreq);
    if (ret != EOK) {
        state->dp_error = dp_error;
        tevent_req_error(req, ret);
        return;
    }

    switch (state->filter_type) {
        case BE_FILTER_NAME:
            name = state->filter;
            id = 0;
            break;
        case BE_FILTER_IDNUM:
            name = NULL;
            id = strtouint32(state->filter, &endptr, 10);
            if (errno || *endptr || (state->filter == endptr)) {
                tevent_req_error(req, errno ? errno : EINVAL);
                return;
            }
            break;
        default:
            DEBUG(SSSDBG_OP_FAILURE, ("Invalid sub-domain filter type.\n"));
            state->dp_error = dp_error;
            tevent_req_error(req, EINVAL);
            return;
    }

    subreq = ipa_s2n_get_acct_info_send(state,
                                        state->ev,
                                        state->ctx->opts,
                                        state->domain,
                                        sdap_id_op_handle(state->op),
                                        state->attrs,
                                        state->entry_type,
                                        name, id);
    if (!subreq) {
        tevent_req_error(req, ENOMEM);
        return;
    }
    tevent_req_set_callback(subreq, ipa_get_subdomain_account_info_done, req);

    return;
}

static void ipa_get_subdomain_account_info_done(struct tevent_req *subreq)
{
    struct tevent_req *req = tevent_req_callback_data(subreq,
                                                      struct tevent_req);
    struct ipa_user_get_state *state = tevent_req_data(req,
                                                     struct ipa_user_get_state);
    int dp_error = DP_ERR_FATAL;
    int ret;

    ret = ipa_s2n_get_acct_info_recv(subreq);
    talloc_zfree(subreq);

    ret = sdap_id_op_done(state->op, ret, &dp_error);
    if (dp_error == DP_ERR_OK && ret != EOK) {
        /* retry */
        ret = ipa_get_subdomain_account_info_retry(req);
        if (ret != EOK) {
            tevent_req_error(req, ret);
            return;
        }

        return;
    }

    if (ret && ret != ENOENT) {
        state->dp_error = dp_error;
        tevent_req_error(req, ret);
        return;
    }

    /* FIXME: do we need some special handling of ENOENT */

    state->dp_error = DP_ERR_OK;
    tevent_req_done(req);
}

int ipa_user_get_recv(struct tevent_req *req, int *dp_error_out)
{
    struct ipa_user_get_state *state = tevent_req_data(req,
                                                    struct ipa_user_get_state);

    if (dp_error_out) {
        *dp_error_out = state->dp_error;
    }

    TEVENT_REQ_RETURN_ON_ERROR(req);

    return EOK;
}