summaryrefslogtreecommitdiff
path: root/server/providers/data_provider.h
blob: c52466238ae1d75a62f3b5c86e8d4ad99bc5185a (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
/*
   SSSD

   Data Provider, private header file

   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/>.
*/

#ifndef __DATA_PROVIDER_H__
#define __DATA_PROVIDER_H__

#include <stdint.h>
#include <sys/un.h>
#include <errno.h>
#include <stdbool.h>
#include "talloc.h"
#include "tevent.h"
#include "ldb.h"
#include "util/util.h"
#include "confdb/confdb.h"
#include "dbus/dbus.h"
#include "sbus/sssd_dbus.h"
#include "sbus/sbus_client.h"
#include "../sss_client/sss_cli.h"

#define DATA_PROVIDER_VERSION 0x0001
#define DATA_PROVIDER_SERVICE_NAME "dp"
#define DATA_PROVIDER_PIPE "private/sbus-dp"

#define DATA_PROVIDER_DB_FILE "sssd.ldb"
#define DATA_PROVIDER_DB_CONF_SEC "config/services/nss"

#define MOD_OFFLINE 0x0000
#define MOD_ONLINE  0x0001

#define DP_INTERFACE "org.freedesktop.sssd.dataprovider"
#define DP_PATH "/org/freedesktop/sssd/dataprovider"

#define BE_PROVIDE_ACC_INFO (1<<8)
#define BE_PROVIDE_PAM (1<<9)
#define BE_PROVIDE_POLICY (1<<10)

#define DP_METHOD_REGISTER "RegisterService"
#define DP_METHOD_ONLINE "getOnline"
#define DP_METHOD_GETACCTINFO "getAccountInfo"
#define DP_METHOD_PAMHANDLER "pamHandler"

#define DP_ERR_OK 0
#define DP_ERR_OFFLINE 1
#define DP_ERR_TIMEOUT 2
#define DP_ERR_FATAL 3

#define BE_ATTR_CORE 1
#define BE_ATTR_MEM 2
#define BE_ATTR_ALL 3

#define BE_FILTER_NAME 1
#define BE_FILTER_IDNUM 2

#define BE_REQ_USER 0x0001
#define BE_REQ_GROUP 0x0002
#define BE_REQ_INITGROUPS 0x0003
#define BE_REQ_FAST 0x1000

/* AUTH related common data and functions */

#define DEBUG_PAM_DATA(level, pd) do { \
    if (level <= debug_level) pam_print_data(level, pd); \
} while(0);


struct response_data {
    int32_t type;
    int32_t len;
    uint8_t *data;
    struct response_data *next;
};

struct pam_data {
    int cmd;
    uint32_t authtok_type;
    uint32_t authtok_size;
    uint32_t newauthtok_type;
    uint32_t newauthtok_size;
    char *domain;
    char *user;
    char *service;
    char *tty;
    char *ruser;
    char *rhost;
    uint8_t *authtok;
    uint8_t *newauthtok;
    uint32_t cli_pid;

    int pam_status;
    int response_delay;
    struct response_data *resp_list;

    bool offline_auth;
    bool last_auth_saved;
    int priv;
    uid_t pw_uid;
    gid_t gr_gid;

    const char *upn;
};

/* from dp_auth_util.c */
void pam_print_data(int l, struct pam_data *pd);
int pam_add_response(struct pam_data *pd,
                     enum response_type type,
                     int len, const uint8_t *data);

bool dp_pack_pam_request(DBusMessage *msg, struct pam_data *pd);
bool dp_unpack_pam_request(DBusMessage *msg, struct pam_data *pd,
                           DBusError *dbus_error);

bool dp_pack_pam_response(DBusMessage *msg, struct pam_data *pd);
bool dp_unpack_pam_response(DBusMessage *msg, struct pam_data *pd,
                            DBusError *dbus_error);

int dp_common_send_id(struct sbus_connection *conn, uint16_t version,
                      const char *name, const char *domain);

/* from dp_sbus.c */
int dp_get_sbus_address(TALLOC_CTX *mem_ctx,
                        char **address, const char *domain_name);


/* Helpers */

#define NULL_STRING { .string = NULL }
#define NULL_BLOB { .blob = { NULL, 0 } }
#define NULL_NUMBER { .number = 0 }
#define BOOL_FALSE { .boolean = false }
#define BOOL_TRUE { .boolean = true }

enum dp_opt_type {
    DP_OPT_STRING,
    DP_OPT_BLOB,
    DP_OPT_NUMBER,
    DP_OPT_BOOL
};

struct dp_opt_blob {
    uint8_t *data;
    size_t length;
};

union dp_opt_value {
    const char *cstring;
    char *string;
    struct dp_opt_blob blob;
    int number;
    bool boolean;
};

struct dp_option {
    const char *opt_name;
    enum dp_opt_type type;
    union dp_opt_value def_val;
    union dp_opt_value val;
};

int dp_get_options(TALLOC_CTX *memctx,
                   struct confdb_ctx *cdb,
                   const char *conf_path,
                   struct dp_option *def_opts,
                   int num_opts,
                   struct dp_option **_opts);

int dp_copy_options(TALLOC_CTX *memctx,
                    struct dp_option *src_opts,
                    int num_opts,
                    struct dp_option **_opts);

const char *_dp_opt_get_cstring(struct dp_option *opts,
                                    int id, const char *location);
char *_dp_opt_get_string(struct dp_option *opts,
                                    int id, const char *location);
struct dp_opt_blob _dp_opt_get_blob(struct dp_option *opts,
                                    int id, const char *location);
int _dp_opt_get_int(struct dp_option *opts,
                                    int id, const char *location);
bool _dp_opt_get_bool(struct dp_option *opts,
                                    int id, const char *location);
#define dp_opt_get_cstring(o, i) _dp_opt_get_cstring(o, i, __FUNCTION__)
#define dp_opt_get_string(o, i) _dp_opt_get_string(o, i, __FUNCTION__)
#define dp_opt_get_blob(o, i) _dp_opt_get_blob(o, i, __FUNCTION__)
#define dp_opt_get_int(o, i) _dp_opt_get_int(o, i, __FUNCTION__)
#define dp_opt_get_bool(o, i) _dp_opt_get_bool(o, i, __FUNCTION__)

int _dp_opt_set_string(struct dp_option *opts, int id,
                       const char *s, const char *location);
int _dp_opt_set_blob(struct dp_option *opts, int id,
                     struct dp_opt_blob b, const char *location);
int _dp_opt_set_int(struct dp_option *opts, int id,
                    int i, const char *location);
int _dp_opt_set_bool(struct dp_option *opts, int id,
                     bool b, const char *location);
#define dp_opt_set_string(o, i, v) _dp_opt_set_string(o, i, v, __FUNCTION__)
#define dp_opt_set_blob(o, i, v) _dp_opt_set_blob(o, i, v, __FUNCTION__)
#define dp_opt_set_int(o, i, v) _dp_opt_set_int(o, i, v, __FUNCTION__)
#define dp_opt_set_bool(o, i, v) _dp_opt_set_bool(o, i, v, __FUNCTION__)

#endif /* __DATA_PROVIDER_ */