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;

inline static int search_priv(BBS_user_priv *p_priv, int sid, int *p_offset)
{
        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;
                }
        }

        *p_offset = left;

        return (left == right && sid == p_priv->s_priv_list[left].sid);
}

int setpriv(BBS_user_priv *p_priv, int sid, int priv, int is_favor)
{
        int offset;
        int i;

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

        if (search_priv(p_priv, sid, &offset)) //found
        {
                p_priv->s_priv_list[offset].s_priv = priv;
                p_priv->s_priv_list[offset].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 (i = p_priv->s_count - 1; i >= offset; i--)
        {
                p_priv->s_priv_list[i + 1] = p_priv->s_priv_list[i];
        }
        p_priv->s_count++;

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

        return 0;
}

int getpriv(BBS_user_priv *p_priv, int sid, int *p_is_favor)
{
        int offset;

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

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