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 "bbs.h"
#include "common.h"
#include "database.h"
#include "log.h"
#include "user_priv.h"
#include <stdio.h>
#include <stdlib.h>
#include <mysql/mysql.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 - 1;
                }
                else if (sid > p_priv->s_priv_list[mid].sid)
                {
                        left = mid + 1;
                }
                else // if (sid == p_priv->s_priv_list[mid].sid)
                {
                        left = mid;
                        break;
                }
        }

        *p_offset = left;

        return (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, 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 = %d 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 = %d "
                         "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 = %d 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 = %d 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 = %d",
                         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			#include "bbs.h"
18	sysadm	1.2	#include "common.h"
19	sysadm	1.10	#include "database.h"
20	sysadm	1.8	#include "log.h"
21	sysadm	1.21	#include "user_priv.h"
22	sysadm	1.8	#include <stdio.h>
23	sysadm	1.15	#include <stdlib.h>
24	sysadm	1.19	#include <mysql/mysql.h>
25	sysadm	1.1
26	sysadm	1.8	BBS_user_priv BBS_priv;
27
28	sysadm	1.18	inline static int search_priv(BBS_user_priv p_priv, int sid, int p_offset)
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			while (left < right)
35			{
36			mid = (left + right) / 2;
37
38	sysadm	1.22	if (sid < p_priv->s_priv_list[mid].sid)
39	sysadm	1.5	{
40	sysadm	1.22	right = mid - 1;
41	sysadm	1.5	}
42	sysadm	1.22	else if (sid > p_priv->s_priv_list[mid].sid)
43	sysadm	1.5	{
44	sysadm	1.16	left = mid + 1;
45	sysadm	1.5	}
46	sysadm	1.22	else // if (sid == p_priv->s_priv_list[mid].sid)
47			{
48			left = mid;
49			break;
50			}
51	sysadm	1.2	}
52	sysadm	1.16
53	sysadm	1.18	*p_offset = left;
54
55	sysadm	1.22	return (sid == p_priv->s_priv_list[left].sid);
56	sysadm	1.18	}
57
58			int setpriv(BBS_user_priv *p_priv, int sid, int priv, int is_favor)
59			{
60			int offset;
61			int i;
62
63			if (sid == 0)
64			{
65			p_priv->g_priv = priv;
66			return 0;
67			}
68
69			if (search_priv(p_priv, sid, &offset)) //found
70	sysadm	1.2	{
71	sysadm	1.18	p_priv->s_priv_list[offset].s_priv = priv;
72			p_priv->s_priv_list[offset].is_favor = is_favor;
73	sysadm	1.16	return 0;
74			}
75
76			// not found
77			if (p_priv->s_count >= BBS_max_section)
78			{
79			return -1;
80			}
81
82			// move items at [left, p_priv->s_count - 1] to [left + 1, p_priv->s_count]
83	sysadm	1.18	for (i = p_priv->s_count - 1; i >= offset; i--)
84	sysadm	1.16	{
85	sysadm	1.18	p_priv->s_priv_list[i + 1] = p_priv->s_priv_list[i];
86	sysadm	1.2	}
87	sysadm	1.17	p_priv->s_count++;
88
89	sysadm	1.16	// insert new item at offset left
90	sysadm	1.18	p_priv->s_priv_list[offset].sid = sid;
91			p_priv->s_priv_list[offset].s_priv = priv;
92			p_priv->s_priv_list[offset].is_favor = is_favor;
93	sysadm	1.5
94			return 0;
95			}
96
97	sysadm	1.17	int getpriv(BBS_user_priv p_priv, int sid, int p_is_favor)
98	sysadm	1.5	{
99	sysadm	1.18	int offset;
100	sysadm	1.2
101	sysadm	1.18	if (search_priv(p_priv, sid, &offset)) //found
102	sysadm	1.17	{
103	sysadm	1.18	*p_is_favor = p_priv->s_priv_list[offset].is_favor;
104			return p_priv->s_priv_list[offset].s_priv;
105	sysadm	1.17	}
106
107	sysadm	1.18	*p_is_favor = 0;
108	sysadm	1.5	return (sid >= 0 ? p_priv->g_priv : S_NONE);
109	sysadm	1.2	}
110
111	sysadm	1.20	int load_priv(MYSQL db, BBS_user_priv p_priv, int uid)
112	sysadm	1.2	{
113	sysadm	1.5	MYSQL_RES *rs;
114			MYSQL_ROW row;
115	sysadm	1.10	char sql[SQL_BUFFER_LEN];
116	sysadm	1.17	int priv;
117			int is_favor;
118	sysadm	1.5
119			p_priv->uid = uid;
120			p_priv->level = (uid == 0 ? P_GUEST : P_USER);
121			p_priv->g_priv = S_DEFAULT;
122	sysadm	1.14	p_priv->s_count = 0;
123	sysadm	1.5
124			if (db == NULL)
125			return 1;
126
127	sysadm	1.7	// Permission
128	sysadm	1.17	snprintf(sql, sizeof(sql),
129	sysadm	1.20	"SELECT p_post, p_msg FROM user_list WHERE UID = %d AND verified",
130	sysadm	1.16	uid);
131	sysadm	1.5	if (mysql_query(db, sql) != 0)
132			{
133	sysadm	1.15	log_error("Query user_list error: %s\n", mysql_error(db));
134	sysadm	1.5	return -1;
135			}
136			if ((rs = mysql_store_result(db)) == NULL)
137			{
138	sysadm	1.7	log_error("Get user_list data failed\n");
139	sysadm	1.5	return -1;
140			}
141	sysadm	1.10	if ((row = mysql_fetch_row(rs)))
142	sysadm	1.5	{
143	sysadm	1.7	p_priv->g_priv \|= (atoi(row[0]) ? S_POST : 0);
144			p_priv->g_priv \|= (atoi(row[1]) ? S_MSG : 0);
145	sysadm	1.5	}
146			mysql_free_result(rs);
147
148	sysadm	1.7	// Admin
149	sysadm	1.17	snprintf(sql, sizeof(sql),
150	sysadm	1.20	"SELECT major FROM admin_config WHERE UID = %d "
151	sysadm	1.17	"AND enable AND (NOW() BETWEEN begin_dt AND end_dt)",
152	sysadm	1.16	uid);
153	sysadm	1.5	if (mysql_query(db, sql) != 0)
154			{
155	sysadm	1.15	log_error("Query admin_config error: %s\n", mysql_error(db));
156	sysadm	1.5	return -1;
157			}
158			if ((rs = mysql_store_result(db)) == NULL)
159			{
160	sysadm	1.7	log_error("Get admin_config data failed\n");
161	sysadm	1.5	return -1;
162			}
163	sysadm	1.10	if ((row = mysql_fetch_row(rs)))
164	sysadm	1.5	{
165	sysadm	1.9	p_priv->level \|= (atoi(row[0]) ? P_ADMIN_M : P_ADMIN_S);
166			p_priv->g_priv \|= (atoi(row[0]) ? S_ALL : S_ADMIN);
167	sysadm	1.5	}
168			mysql_free_result(rs);
169
170			// Section Master
171	sysadm	1.17	snprintf(sql, sizeof(sql),
172			"SELECT section_master.SID, major FROM section_master "
173			"INNER JOIN section_config ON section_master.SID = section_config.SID "
174	sysadm	1.20	"WHERE UID = %d AND section_master.enable AND section_config.enable "
175	sysadm	1.17	"AND (NOW() BETWEEN begin_dt AND end_dt)",
176	sysadm	1.16	uid);
177	sysadm	1.5	if (mysql_query(db, sql) != 0)
178			{
179	sysadm	1.15	log_error("Query section_master error: %s\n", mysql_error(db));
180	sysadm	1.5	return -1;
181			}
182			if ((rs = mysql_store_result(db)) == NULL)
183			{
184			log_error("Get section_master data failed\n");
185			return -1;
186			}
187	sysadm	1.10	while ((row = mysql_fetch_row(rs)))
188	sysadm	1.5	{
189			p_priv->level \|= (atoi(row[1]) ? P_MAN_M : P_MAN_S);
190	sysadm	1.17	priv = (getpriv(p_priv, atoi(row[0]), &is_favor) \| (atoi(row[1]) ? S_MAN_M : S_MAN_S));
191			setpriv(p_priv, atoi(row[0]), priv, is_favor);
192	sysadm	1.5	}
193			mysql_free_result(rs);
194
195			// Section status
196	sysadm	1.17	snprintf(sql, sizeof(sql),
197			"SELECT SID, exp_get, read_user_level, write_user_level FROM section_config "
198			"INNER JOIN section_class ON section_config.CID = section_class.CID "
199			"WHERE section_config.enable AND section_class.enable "
200			"ORDER BY SID");
201	sysadm	1.5	if (mysql_query(db, sql) != 0)
202			{
203	sysadm	1.15	log_error("Query section_config error: %s\n", mysql_error(db));
204	sysadm	1.5	return -1;
205			}
206			if ((rs = mysql_store_result(db)) == NULL)
207			{
208			log_error("Get section_config data failed\n");
209			return -1;
210			}
211	sysadm	1.10	while ((row = mysql_fetch_row(rs)))
212	sysadm	1.5	{
213	sysadm	1.17	int priv = getpriv(p_priv, atoi(row[0]), &is_favor);
214	sysadm	1.5	if (p_priv->level < atoi(row[2]))
215	sysadm	1.7	{
216			priv &= (~S_LIST);
217			}
218	sysadm	1.5	if (p_priv->level < atoi(row[3]))
219	sysadm	1.7	{
220			priv &= (~S_POST);
221			}
222	sysadm	1.5	if (!atoi(row[1]))
223	sysadm	1.7	{
224			priv &= (~S_GETEXP);
225			}
226	sysadm	1.17	setpriv(p_priv, atoi(row[0]), priv, is_favor);
227	sysadm	1.5	}
228			mysql_free_result(rs);
229	sysadm	1.2
230	sysadm	1.5	// Section ban
231	sysadm	1.17	snprintf(sql, sizeof(sql),
232	sysadm	1.20	"SELECT SID FROM ban_user_list WHERE UID = %d AND enable "
233	sysadm	1.17	"AND (NOW() BETWEEN ban_dt AND unban_dt)",
234	sysadm	1.16	uid);
235	sysadm	1.5	if (mysql_query(db, sql) != 0)
236			{
237	sysadm	1.15	log_error("Query ban_user_list error: %s\n", mysql_error(db));
238	sysadm	1.5	return -1;
239			}
240			if ((rs = mysql_store_result(db)) == NULL)
241			{
242			log_error("Get ban_user_list data failed\n");
243			return -1;
244			}
245	sysadm	1.10	while ((row = mysql_fetch_row(rs)))
246	sysadm	1.5	{
247	sysadm	1.17	priv = getpriv(p_priv, atoi(row[0]), &is_favor) & (~S_POST);
248			setpriv(p_priv, atoi(row[0]), priv, is_favor);
249			}
250			mysql_free_result(rs);
251
252			// User favor section
253			snprintf(sql, sizeof(sql),
254	sysadm	1.20	"SELECT SID FROM section_favorite WHERE UID = %d",
255	sysadm	1.17	uid);
256			if (mysql_query(db, sql) != 0)
257			{
258			log_error("Query section_favorite error: %s\n", mysql_error(db));
259			return -1;
260			}
261			if ((rs = mysql_store_result(db)) == NULL)
262			{
263			log_error("Get section_favorite data failed\n");
264			return -1;
265			}
266			while ((row = mysql_fetch_row(rs)))
267			{
268			priv = getpriv(p_priv, atoi(row[0]), &is_favor);
269			if (!is_favor)
270			{
271			setpriv(p_priv, atoi(row[0]), priv, 1);
272			priv = getpriv(p_priv, atoi(row[0]), &is_favor);
273			}
274	sysadm	1.5	}
275			mysql_free_result(rs);
276
277			return 0;
278	sysadm	1.1	}
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