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 left = 0;
        int right = p_priv->s_count - 1;
        int mid;

        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 (sid == p_priv->s_priv_list[left].sid) // found
        {
                p_priv->s_priv_list[left].s_priv = priv;
                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];
        }
        // insert new item at offset left
        p_priv->s_priv_list[left].s_priv = priv;

        return 0;
}

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

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

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

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

        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];

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