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	sysadm	1.1	/***************************************************************************
2	sysadm	1.5	user_priv.c - description
3			-------------------
4	sysadm	1.12	Copyright : (C) 2004-2025 by Leaflet
5			Email : leaflet@leafok.com
6	sysadm	1.1	***************************************************************************/
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	sysadm	1.12	* the Free Software Foundation; either version 3 of the License, or *
13	sysadm	1.1	* (at your option) any later version. *
14			* *
15			***************************************************************************/
16
17	sysadm	1.8	#include "user_priv.h"
18	sysadm	1.1	#include "bbs.h"
19	sysadm	1.2	#include "common.h"
20	sysadm	1.10	#include "database.h"
21	sysadm	1.8	#include "log.h"
22			#include <stdio.h>
23	sysadm	1.1	#include <mysql.h>
24	sysadm	1.15	#include <stdlib.h>
25	sysadm	1.1
26	sysadm	1.8	BBS_user_priv BBS_priv;
27
28	sysadm	1.17	int setpriv(BBS_user_priv *p_priv, int sid, int priv, int is_favor)
29	sysadm	1.2	{
30	sysadm	1.16	int left = 0;
31			int right = p_priv->s_count - 1;
32	sysadm	1.17	int mid = 0;
33	sysadm	1.16
34			if (sid == 0)
35	sysadm	1.2	{
36	sysadm	1.16	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	sysadm	1.5	{
46	sysadm	1.16	right = mid;
47	sysadm	1.5	}
48			else
49			{
50	sysadm	1.16	left = mid + 1;
51	sysadm	1.5	}
52	sysadm	1.2	}
53	sysadm	1.16
54	sysadm	1.17	if (left == right && sid == p_priv->s_priv_list[left].sid) // found
55	sysadm	1.2	{
56	sysadm	1.16	p_priv->s_priv_list[left].s_priv = priv;
57	sysadm	1.17	p_priv->s_priv_list[left].is_favor = is_favor;
58	sysadm	1.16	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	sysadm	1.2	}
72	sysadm	1.17	p_priv->s_count++;
73
74	sysadm	1.16	// insert new item at offset left
75	sysadm	1.17	p_priv->s_priv_list[left].sid = sid;
76	sysadm	1.16	p_priv->s_priv_list[left].s_priv = priv;
77	sysadm	1.17	p_priv->s_priv_list[left].is_favor = is_favor;
78	sysadm	1.5
79			return 0;
80			}
81
82	sysadm	1.17	int getpriv(BBS_user_priv p_priv, int sid, int p_is_favor)
83	sysadm	1.5	{
84	sysadm	1.16	int left = 0;
85			int right = p_priv->s_count - 1;
86	sysadm	1.17	int mid = 0;
87	sysadm	1.16
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	sysadm	1.17	if (left == right && sid == p_priv->s_priv_list[left].sid) // found
103	sysadm	1.2	{
104	sysadm	1.17	*p_is_favor = p_priv->s_priv_list[left].is_favor;
105	sysadm	1.16	return p_priv->s_priv_list[left].s_priv;
106	sysadm	1.2	}
107
108	sysadm	1.17	if (sid != 0)
109			{
110			*p_is_favor = 0;
111			}
112
113	sysadm	1.5	return (sid >= 0 ? p_priv->g_priv : S_NONE);
114	sysadm	1.2	}
115
116	sysadm	1.6	int load_priv(MYSQL db, BBS_user_priv p_priv, long int uid)
117	sysadm	1.2	{
118	sysadm	1.5	MYSQL_RES *rs;
119			MYSQL_ROW row;
120	sysadm	1.10	char sql[SQL_BUFFER_LEN];
121	sysadm	1.17	int priv;
122			int is_favor;
123	sysadm	1.5
124			p_priv->uid = uid;
125			p_priv->level = (uid == 0 ? P_GUEST : P_USER);
126			p_priv->g_priv = S_DEFAULT;
127	sysadm	1.14	p_priv->s_count = 0;
128	sysadm	1.5
129			if (db == NULL)
130			return 1;
131
132	sysadm	1.7	// Permission
133	sysadm	1.17	snprintf(sql, sizeof(sql),
134			"SELECT p_post, p_msg FROM user_list WHERE UID = %ld AND verified",
135	sysadm	1.16	uid);
136	sysadm	1.5	if (mysql_query(db, sql) != 0)
137			{
138	sysadm	1.15	log_error("Query user_list error: %s\n", mysql_error(db));
139	sysadm	1.5	return -1;
140			}
141			if ((rs = mysql_store_result(db)) == NULL)
142			{
143	sysadm	1.7	log_error("Get user_list data failed\n");
144	sysadm	1.5	return -1;
145			}
146	sysadm	1.10	if ((row = mysql_fetch_row(rs)))
147	sysadm	1.5	{
148	sysadm	1.7	p_priv->g_priv \|= (atoi(row[0]) ? S_POST : 0);
149			p_priv->g_priv \|= (atoi(row[1]) ? S_MSG : 0);
150	sysadm	1.5	}
151			mysql_free_result(rs);
152
153	sysadm	1.7	// Admin
154	sysadm	1.17	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	sysadm	1.16	uid);
158	sysadm	1.5	if (mysql_query(db, sql) != 0)
159			{
160	sysadm	1.15	log_error("Query admin_config error: %s\n", mysql_error(db));
161	sysadm	1.5	return -1;
162			}
163			if ((rs = mysql_store_result(db)) == NULL)
164			{
165	sysadm	1.7	log_error("Get admin_config data failed\n");
166	sysadm	1.5	return -1;
167			}
168	sysadm	1.10	if ((row = mysql_fetch_row(rs)))
169	sysadm	1.5	{
170	sysadm	1.9	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	sysadm	1.5	}
173			mysql_free_result(rs);
174
175			// Section Master
176	sysadm	1.17	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	sysadm	1.16	uid);
182	sysadm	1.5	if (mysql_query(db, sql) != 0)
183			{
184	sysadm	1.15	log_error("Query section_master error: %s\n", mysql_error(db));
185	sysadm	1.5	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	sysadm	1.10	while ((row = mysql_fetch_row(rs)))
193	sysadm	1.5	{
194			p_priv->level \|= (atoi(row[1]) ? P_MAN_M : P_MAN_S);
195	sysadm	1.17	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	sysadm	1.5	}
198			mysql_free_result(rs);
199
200			// Section status
201	sysadm	1.17	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	sysadm	1.5	if (mysql_query(db, sql) != 0)
207			{
208	sysadm	1.15	log_error("Query section_config error: %s\n", mysql_error(db));
209	sysadm	1.5	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	sysadm	1.10	while ((row = mysql_fetch_row(rs)))
217	sysadm	1.5	{
218	sysadm	1.17	int priv = getpriv(p_priv, atoi(row[0]), &is_favor);
219	sysadm	1.5	if (p_priv->level < atoi(row[2]))
220	sysadm	1.7	{
221			priv &= (~S_LIST);
222			}
223	sysadm	1.5	if (p_priv->level < atoi(row[3]))
224	sysadm	1.7	{
225			priv &= (~S_POST);
226			}
227	sysadm	1.5	if (!atoi(row[1]))
228	sysadm	1.7	{
229			priv &= (~S_GETEXP);
230			}
231	sysadm	1.17	setpriv(p_priv, atoi(row[0]), priv, is_favor);
232	sysadm	1.5	}
233			mysql_free_result(rs);
234	sysadm	1.2
235	sysadm	1.5	// Section ban
236	sysadm	1.17	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	sysadm	1.16	uid);
240	sysadm	1.5	if (mysql_query(db, sql) != 0)
241			{
242	sysadm	1.15	log_error("Query ban_user_list error: %s\n", mysql_error(db));
243	sysadm	1.5	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	sysadm	1.10	while ((row = mysql_fetch_row(rs)))
251	sysadm	1.5	{
252	sysadm	1.17	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	sysadm	1.5	}
280			mysql_free_result(rs);
281
282			return 0;
283	sysadm	1.1	}
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