lbbs/src/user_priv.c

/***************************************************************************
                                                  user_priv.c  -  description
                                                         -------------------
        Copyright            : (C) 2004-2025 by Leaflet
        Email                : leaflet@leafok.com
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#include "user_priv.h"
#include "bbs.h"
#include "common.h"
#include "database.h"
#include "log.h"
#include <stdio.h>
#include <mysql.h>
#include <stdlib.h>

BBS_user_priv BBS_priv;

int setpriv(BBS_user_priv *p_priv, int sid, int priv, int is_favor)
{
        int left = 0;
        int right = p_priv->s_count - 1;
        int mid = 0;

        if (sid == 0)
        {
                p_priv->g_priv = priv;
                return 0;
        }

        while (left < right)
        {
                mid = (left + right) / 2;

                if (sid <= p_priv->s_priv_list[mid].sid)
                {
                        right = mid;
                }
                else
                {
                        left = mid + 1;
                }
        }

        if (left == right && sid == p_priv->s_priv_list[left].sid) // found
        {
                p_priv->s_priv_list[left].s_priv = priv;
                p_priv->s_priv_list[left].is_favor = is_favor;
                return 0;
        }

        // not found
        if (p_priv->s_count >= BBS_max_section)
        {
                return -1;
        }

        // move items at [left, p_priv->s_count - 1] to [left + 1, p_priv->s_count]
        for (right = p_priv->s_count - 1; right >= left; right--)
        {
                p_priv->s_priv_list[right + 1] = p_priv->s_priv_list[right];
        }
        p_priv->s_count++;

        // insert new item at offset left
        p_priv->s_priv_list[left].sid = sid;
        p_priv->s_priv_list[left].s_priv = priv;
        p_priv->s_priv_list[left].is_favor = is_favor;

        return 0;
}

int getpriv(BBS_user_priv *p_priv, int sid, int *p_is_favor)
{
        int left = 0;
        int right = p_priv->s_count - 1;
        int mid = 0;

        while (left < right)
        {
                mid = (left + right) / 2;

                if (sid <= p_priv->s_priv_list[mid].sid)
                {
                        right = mid;
                }
                else
                {
                        left = mid + 1;
                }
        }

        if (left == right && sid == p_priv->s_priv_list[left].sid) // found
        {
                *p_is_favor = p_priv->s_priv_list[left].is_favor;
                return p_priv->s_priv_list[left].s_priv;
        }

        if (sid != 0)
        {
                *p_is_favor = 0;
        }

        return (sid >= 0 ? p_priv->g_priv : S_NONE);
}

int load_priv(MYSQL *db, BBS_user_priv *p_priv, long int uid)
{
        MYSQL_RES *rs;
        MYSQL_ROW row;
        char sql[SQL_BUFFER_LEN];
        int priv;
        int is_favor;

        p_priv->uid = uid;
        p_priv->level = (uid == 0 ? P_GUEST : P_USER);
        p_priv->g_priv = S_DEFAULT;
        p_priv->s_count = 0;

        if (db == NULL)
                return 1;

        // Permission
        snprintf(sql, sizeof(sql),
                         "SELECT p_post, p_msg FROM user_list WHERE UID = %ld AND verified",
                         uid);
        if (mysql_query(db, sql) != 0)
        {
                log_error("Query user_list error: %s\n", mysql_error(db));
                return -1;
        }
        if ((rs = mysql_store_result(db)) == NULL)
        {
                log_error("Get user_list data failed\n");
                return -1;
        }
        if ((row = mysql_fetch_row(rs)))
        {
                p_priv->g_priv |= (atoi(row[0]) ? S_POST : 0);
                p_priv->g_priv |= (atoi(row[1]) ? S_MSG : 0);
        }
        mysql_free_result(rs);

        // Admin
        snprintf(sql, sizeof(sql),
                         "SELECT major FROM admin_config WHERE UID = %ld "
                         "AND enable AND (NOW() BETWEEN begin_dt AND end_dt)",
                         uid);
        if (mysql_query(db, sql) != 0)
        {
                log_error("Query admin_config error: %s\n", mysql_error(db));
                return -1;
        }
        if ((rs = mysql_store_result(db)) == NULL)
        {
                log_error("Get admin_config data failed\n");
                return -1;
        }
        if ((row = mysql_fetch_row(rs)))
        {
                p_priv->level |= (atoi(row[0]) ? P_ADMIN_M : P_ADMIN_S);
                p_priv->g_priv |= (atoi(row[0]) ? S_ALL : S_ADMIN);
        }
        mysql_free_result(rs);

        // Section Master
        snprintf(sql, sizeof(sql),
                         "SELECT section_master.SID, major FROM section_master "
                         "INNER JOIN section_config ON section_master.SID = section_config.SID "
                         "WHERE UID = %ld AND section_master.enable AND section_config.enable "
                         "AND (NOW() BETWEEN begin_dt AND end_dt)",
                         uid);
        if (mysql_query(db, sql) != 0)
        {
                log_error("Query section_master error: %s\n", mysql_error(db));
                return -1;
        }
        if ((rs = mysql_store_result(db)) == NULL)
        {
                log_error("Get section_master data failed\n");
                return -1;
        }
        while ((row = mysql_fetch_row(rs)))
        {
                p_priv->level |= (atoi(row[1]) ? P_MAN_M : P_MAN_S);
                priv = (getpriv(p_priv, atoi(row[0]), &is_favor) | (atoi(row[1]) ? S_MAN_M : S_MAN_S));
                setpriv(p_priv, atoi(row[0]), priv, is_favor);
        }
        mysql_free_result(rs);

        // Section status
        snprintf(sql, sizeof(sql),
                         "SELECT SID, exp_get, read_user_level, write_user_level FROM section_config "
                         "INNER JOIN section_class ON section_config.CID = section_class.CID "
                         "WHERE section_config.enable AND section_class.enable "
                         "ORDER BY SID");
        if (mysql_query(db, sql) != 0)
        {
                log_error("Query section_config error: %s\n", mysql_error(db));
                return -1;
        }
        if ((rs = mysql_store_result(db)) == NULL)
        {
                log_error("Get section_config data failed\n");
                return -1;
        }
        while ((row = mysql_fetch_row(rs)))
        {
                int priv = getpriv(p_priv, atoi(row[0]), &is_favor);
                if (p_priv->level < atoi(row[2]))
                {
                        priv &= (~S_LIST);
                }
                if (p_priv->level < atoi(row[3]))
                {
                        priv &= (~S_POST);
                }
                if (!atoi(row[1]))
                {
                        priv &= (~S_GETEXP);
                }
                setpriv(p_priv, atoi(row[0]), priv, is_favor);
        }
        mysql_free_result(rs);

        // Section ban
        snprintf(sql, sizeof(sql),
                         "SELECT SID FROM ban_user_list WHERE UID = %ld AND enable "
                         "AND (NOW() BETWEEN ban_dt AND unban_dt)",
                         uid);
        if (mysql_query(db, sql) != 0)
        {
                log_error("Query ban_user_list error: %s\n", mysql_error(db));
                return -1;
        }
        if ((rs = mysql_store_result(db)) == NULL)
        {
                log_error("Get ban_user_list data failed\n");
                return -1;
        }
        while ((row = mysql_fetch_row(rs)))
        {
                priv = getpriv(p_priv, atoi(row[0]), &is_favor) & (~S_POST);
                setpriv(p_priv, atoi(row[0]), priv, is_favor);
        }
        mysql_free_result(rs);

        // User favor section
        snprintf(sql, sizeof(sql),
                         "SELECT SID FROM section_favorite WHERE UID = %ld",
                         uid);
        if (mysql_query(db, sql) != 0)
        {
                log_error("Query section_favorite error: %s\n", mysql_error(db));
                return -1;
        }
        if ((rs = mysql_store_result(db)) == NULL)
        {
                log_error("Get section_favorite data failed\n");
                return -1;
        }
        while ((row = mysql_fetch_row(rs)))
        {
                priv = getpriv(p_priv, atoi(row[0]), &is_favor);
                if (!is_favor)
                {
                        setpriv(p_priv, atoi(row[0]), priv, 1);
                        priv = getpriv(p_priv, atoi(row[0]), &is_favor);
                }
        }
        mysql_free_result(rs);

        return 0;
}
1	/***************************************************************************
2	user_priv.c - description
3	-------------------
4	Copyright : (C) 2004-2025 by Leaflet
5	Email : leaflet@leafok.com
6	***************************************************************************/
7
8	/***************************************************************************
9	* *
10	* This program is free software; you can redistribute it and/or modify *
11	* it under the terms of the GNU General Public License as published by *
12	* the Free Software Foundation; either version 3 of the License, or *
13	* (at your option) any later version. *
14	* *
15	***************************************************************************/
16
17	#include "user_priv.h"
18	#include "bbs.h"
19	#include "common.h"
20	#include "database.h"
21	#include "log.h"
22	#include <stdio.h>
23	#include <mysql.h>
24	#include <stdlib.h>
25
26	BBS_user_priv BBS_priv;
27
28	int setpriv(BBS_user_priv *p_priv, int sid, int priv, int is_favor)
29	{
30	int left = 0;
31	int right = p_priv->s_count - 1;
32	int mid = 0;
33
34	if (sid == 0)
35	{
36	p_priv->g_priv = priv;
37	return 0;
38	}
39
40	while (left < right)
41	{
42	mid = (left + right) / 2;
43
44	if (sid <= p_priv->s_priv_list[mid].sid)
45	{
46	right = mid;
47	}
48	else
49	{
50	left = mid + 1;
51	}
52	}
53
54	if (left == right && sid == p_priv->s_priv_list[left].sid) // found
55	{
56	p_priv->s_priv_list[left].s_priv = priv;
57	p_priv->s_priv_list[left].is_favor = is_favor;
58	return 0;
59	}
60
61	// not found
62	if (p_priv->s_count >= BBS_max_section)
63	{
64	return -1;
65	}
66
67	// move items at [left, p_priv->s_count - 1] to [left + 1, p_priv->s_count]
68	for (right = p_priv->s_count - 1; right >= left; right--)
69	{
70	p_priv->s_priv_list[right + 1] = p_priv->s_priv_list[right];
71	}
72	p_priv->s_count++;
73
74	// insert new item at offset left
75	p_priv->s_priv_list[left].sid = sid;
76	p_priv->s_priv_list[left].s_priv = priv;
77	p_priv->s_priv_list[left].is_favor = is_favor;
78
79	return 0;
80	}
81
82	int getpriv(BBS_user_priv p_priv, int sid, int p_is_favor)
83	{
84	int left = 0;
85	int right = p_priv->s_count - 1;
86	int mid = 0;
87
88	while (left < right)
89	{
90	mid = (left + right) / 2;
91
92	if (sid <= p_priv->s_priv_list[mid].sid)
93	{
94	right = mid;
95	}
96	else
97	{
98	left = mid + 1;
99	}
100	}
101
102	if (left == right && sid == p_priv->s_priv_list[left].sid) // found
103	{
104	*p_is_favor = p_priv->s_priv_list[left].is_favor;
105	return p_priv->s_priv_list[left].s_priv;
106	}
107
108	if (sid != 0)
109	{
110	*p_is_favor = 0;
111	}
112
113	return (sid >= 0 ? p_priv->g_priv : S_NONE);
114	}
115
116	int load_priv(MYSQL db, BBS_user_priv p_priv, long int uid)
117	{
118	MYSQL_RES *rs;
119	MYSQL_ROW row;
120	char sql[SQL_BUFFER_LEN];
121	int priv;
122	int is_favor;
123
124	p_priv->uid = uid;
125	p_priv->level = (uid == 0 ? P_GUEST : P_USER);
126	p_priv->g_priv = S_DEFAULT;
127	p_priv->s_count = 0;
128
129	if (db == NULL)
130	return 1;
131
132	// Permission
133	snprintf(sql, sizeof(sql),
134	"SELECT p_post, p_msg FROM user_list WHERE UID = %ld AND verified",
135	uid);
136	if (mysql_query(db, sql) != 0)
137	{
138	log_error("Query user_list error: %s\n", mysql_error(db));
139	return -1;
140	}
141	if ((rs = mysql_store_result(db)) == NULL)
142	{
143	log_error("Get user_list data failed\n");
144	return -1;
145	}
146	if ((row = mysql_fetch_row(rs)))
147	{
148	p_priv->g_priv \|= (atoi(row[0]) ? S_POST : 0);
149	p_priv->g_priv \|= (atoi(row[1]) ? S_MSG : 0);
150	}
151	mysql_free_result(rs);
152
153	// Admin
154	snprintf(sql, sizeof(sql),
155	"SELECT major FROM admin_config WHERE UID = %ld "
156	"AND enable AND (NOW() BETWEEN begin_dt AND end_dt)",
157	uid);
158	if (mysql_query(db, sql) != 0)
159	{
160	log_error("Query admin_config error: %s\n", mysql_error(db));
161	return -1;
162	}
163	if ((rs = mysql_store_result(db)) == NULL)
164	{
165	log_error("Get admin_config data failed\n");
166	return -1;
167	}
168	if ((row = mysql_fetch_row(rs)))
169	{
170	p_priv->level \|= (atoi(row[0]) ? P_ADMIN_M : P_ADMIN_S);
171	p_priv->g_priv \|= (atoi(row[0]) ? S_ALL : S_ADMIN);
172	}
173	mysql_free_result(rs);
174
175	// Section Master
176	snprintf(sql, sizeof(sql),
177	"SELECT section_master.SID, major FROM section_master "
178	"INNER JOIN section_config ON section_master.SID = section_config.SID "
179	"WHERE UID = %ld AND section_master.enable AND section_config.enable "
180	"AND (NOW() BETWEEN begin_dt AND end_dt)",
181	uid);
182	if (mysql_query(db, sql) != 0)
183	{
184	log_error("Query section_master error: %s\n", mysql_error(db));
185	return -1;
186	}
187	if ((rs = mysql_store_result(db)) == NULL)
188	{
189	log_error("Get section_master data failed\n");
190	return -1;
191	}
192	while ((row = mysql_fetch_row(rs)))
193	{
194	p_priv->level \|= (atoi(row[1]) ? P_MAN_M : P_MAN_S);
195	priv = (getpriv(p_priv, atoi(row[0]), &is_favor) \| (atoi(row[1]) ? S_MAN_M : S_MAN_S));
196	setpriv(p_priv, atoi(row[0]), priv, is_favor);
197	}
198	mysql_free_result(rs);
199
200	// Section status
201	snprintf(sql, sizeof(sql),
202	"SELECT SID, exp_get, read_user_level, write_user_level FROM section_config "
203	"INNER JOIN section_class ON section_config.CID = section_class.CID "
204	"WHERE section_config.enable AND section_class.enable "
205	"ORDER BY SID");
206	if (mysql_query(db, sql) != 0)
207	{
208	log_error("Query section_config error: %s\n", mysql_error(db));
209	return -1;
210	}
211	if ((rs = mysql_store_result(db)) == NULL)
212	{
213	log_error("Get section_config data failed\n");
214	return -1;
215	}
216	while ((row = mysql_fetch_row(rs)))
217	{
218	int priv = getpriv(p_priv, atoi(row[0]), &is_favor);
219	if (p_priv->level < atoi(row[2]))
220	{
221	priv &= (~S_LIST);
222	}
223	if (p_priv->level < atoi(row[3]))
224	{
225	priv &= (~S_POST);
226	}
227	if (!atoi(row[1]))
228	{
229	priv &= (~S_GETEXP);
230	}
231	setpriv(p_priv, atoi(row[0]), priv, is_favor);
232	}
233	mysql_free_result(rs);
234
235	// Section ban
236	snprintf(sql, sizeof(sql),
237	"SELECT SID FROM ban_user_list WHERE UID = %ld AND enable "
238	"AND (NOW() BETWEEN ban_dt AND unban_dt)",
239	uid);
240	if (mysql_query(db, sql) != 0)
241	{
242	log_error("Query ban_user_list error: %s\n", mysql_error(db));
243	return -1;
244	}
245	if ((rs = mysql_store_result(db)) == NULL)
246	{
247	log_error("Get ban_user_list data failed\n");
248	return -1;
249	}
250	while ((row = mysql_fetch_row(rs)))
251	{
252	priv = getpriv(p_priv, atoi(row[0]), &is_favor) & (~S_POST);
253	setpriv(p_priv, atoi(row[0]), priv, is_favor);
254	}
255	mysql_free_result(rs);
256
257	// User favor section
258	snprintf(sql, sizeof(sql),
259	"SELECT SID FROM section_favorite WHERE UID = %ld",
260	uid);
261	if (mysql_query(db, sql) != 0)
262	{
263	log_error("Query section_favorite error: %s\n", mysql_error(db));
264	return -1;
265	}
266	if ((rs = mysql_store_result(db)) == NULL)
267	{
268	log_error("Get section_favorite data failed\n");
269	return -1;
270	}
271	while ((row = mysql_fetch_row(rs)))
272	{
273	priv = getpriv(p_priv, atoi(row[0]), &is_favor);
274	if (!is_favor)
275	{
276	setpriv(p_priv, atoi(row[0]), priv, 1);
277	priv = getpriv(p_priv, atoi(row[0]), &is_favor);
278	}
279	}
280	mysql_free_result(rs);
281
282	return 0;
283	}
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