lbbs/src/menu_proc.c

/***************************************************************************
                                                  menu_proc.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 "article_cache.h"
#include "article_favor_display.h"
#include "article_view_log.h"
#include "bbs.h"
#include "bbs_cmd.h"
#include "common.h"
#include "io.h"
#include "log.h"
#include "login.h"
#include "menu.h"
#include "section_list_display.h"
#include "screen.h"
#include "user_list_display.h"
#include "user_priv.h"
#include <dlfcn.h>
#include <errno.h>
#include <signal.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <sys/types.h>

int list_section(void *param)
{
        section_list_display(param, 0);

        return REDRAW;
}

typedef union exec_handler_t{
        void *p;
        int (*handler)();
} exec_handler;

int exec_mbem(void *param)
{
        void *hdll;
        exec_handler func;
        char *c, *s;
        char buf[FILE_PATH_LEN];

        strncpy(buf, (const char *)param, sizeof(buf) - 1);
        buf[sizeof(buf) - 1] = '\0';

        s = strstr(buf, "@mod:");
        if (s)
        {
                c = strstr(s + 5, "#");
                if (c)
                {
                        *c = 0;
                        c++;
                }

                hdll = dlopen(s + 5, RTLD_LAZY);

                if (hdll)
                {
                        char *error;

                        if ((func.p = dlsym(hdll, c ? c : "mod_main")) != NULL)
                        {
                                func.handler();
                        }
                        else if ((error = dlerror()) != NULL)
                        {
                                clearscr();
                                prints("%s\r\n", error);
                                press_any_key();
                        }
                        dlclose(hdll);
                }
                else
                {
                        clearscr();
                        prints("加载库文件 [%s] 失败!!\r\n", s + 5);
                        prints("失败原因:%s\r\n", dlerror());
                        press_any_key();
                }
        }

        return REDRAW;
}

int exit_bbs(void *param)
{
        return EXITBBS;
}

int license(void *param)
{
        display_file(DATA_LICENSE, 0);

        return REDRAW;
}

int copyright(void *param)
{
        display_file(DATA_COPYRIGHT, 1);

        return REDRAW;
}

int version(void *param)
{
        display_file(DATA_VERSION, 1);

        return REDRAW;
}

int reload_bbs_conf(void *param)
{
        clearscr();

        if (kill(getppid(), SIGHUP) < 0)
        {
                log_error("Send SIGHUP signal failed (%d)\n", errno);

                prints("发送指令失败\r\n");
        }
        else
        {
                prints("已发送指令\r\n");
        }

        press_any_key();

        return REDRAW;
}

int shutdown_bbs(void *param)
{
        log_common("Notify main process to exit\n");

        if (kill(getppid(), SIGTERM) < 0)
        {
                log_error("Send SIGTERM signal failed (%d)\n", errno);
        }

        return REDRAW;
}

int favor_section_filter(void *param)
{
        MENU_ITEM *p_menu_item = param;

        return (is_favor(&BBS_priv, p_menu_item->priv) && checklevel2(&BBS_priv, p_menu_item->level));
}

static int display_ex_article_key_handler(int *p_key, DISPLAY_CTX *p_ctx)
{
        switch (*p_key)
        {
        case 0: // Set msg
                snprintf(p_ctx->msg, sizeof(p_ctx->msg),
                                 "| 返回[\033[32m←\033[33m,\033[32mESC\033[33m] | "
                                 "移动[\033[32m↑\033[33m/\033[32m↓\033[33m/\033[32mPgUp\033[33m/\033[32mPgDn\033[33m] | "
                                 "帮助[\033[32mh\033[33m] |");
                break;
        }

        return 0;
}

int view_ex_article(void *param)
{
        ARTICLE_CACHE cache;
        ARTICLE *p_article;
        int32_t aid = atoi(param);
        int ret;

        (void)ret;

        p_article = article_block_find_by_aid(aid);
        if (p_article == NULL)
        {
                log_error("article_block_find_by_aid(%d) error\n", aid);
                return NOREDRAW;
        }

        if (article_cache_load(&cache, VAR_ARTICLE_CACHE_DIR, p_article) < 0)
        {
                log_error("article_cache_load(aid=%d, cid=%d) error\n", p_article->aid, p_article->cid);
                return NOREDRAW;
        }

        if (user_online_update("VIEW_ARTICLE") < 0)
        {
                log_error("user_online_update(VIEW_ARTICLE) error\n");
        }

        ret = display_data(cache.p_data, cache.line_total, cache.line_offsets, 0,
                                           display_ex_article_key_handler, DATA_READ_HELP);

        if (article_cache_unload(&cache) < 0)
        {
                log_error("article_cache_unload(aid=%d, cid=%d) error\n", p_article->aid, p_article->cid);
        }

        // Update article_view_log
        if (article_view_log_set_viewed(p_article->aid, &BBS_article_view_log) < 0)
        {
                log_error("article_view_log_set_viewed(aid=%d) error\n", p_article->aid);
        }

        return REDRAW;
}

int list_ex_section(void *param)
{
        SECTION_LIST *p_section;

        p_section = section_list_find_by_name(param);
        if (p_section == NULL)
        {
                log_error("Section %s not found\n", (const char *)param);
                return -1;
        }

        if (section_list_ex_dir_display(p_section) < 0)
        {
                log_error("section_list_ex_dir_display(sid=%d) error\n", p_section->sid);
        }

        return REDRAW;
}

int show_top10_menu(void *param)
{
        static int show_top10 = 0;
        int ch = 0;

        if (show_top10)
        {
                return NOREDRAW;
        }
        show_top10 = 1;

        clearscr();
        show_top("", BBS_name, "");
        show_bottom("");

        if (display_menu(&top10_menu) == 0)
        {
                while (!SYS_server_exit)
                {
                        iflush();
                        ch = igetch(100);

                        if (ch != KEY_NULL && ch != KEY_TIMEOUT)
                        {
                                BBS_last_access_tm = time(NULL);
                        }

                        switch (ch)
                        {
                        case KEY_NULL: // broken pipe
                                log_error("KEY_NULL\n");
                                show_top10 = 0;
                                return 0;
                        case KEY_TIMEOUT:
                                if (time(NULL) - BBS_last_access_tm >= MAX_DELAY_TIME)
                                {
                                        log_error("User input timeout\n");
                                        show_top10 = 0;
                                        return 0;
                                }
                                continue;
                        case CR:
                        default:
                                switch (menu_control(&top10_menu, ch))
                                {
                                case EXITMENU:
                                        ch = EXITMENU;
                                        break;
                                case REDRAW:
                                        clearscr();
                                        show_bottom("");
                                        display_menu(&top10_menu);
                                        break;
                                case NOREDRAW:
                                case UNKNOWN_CMD:
                                default:
                                        break;
                                }
                        }

                        if (ch == EXITMENU)
                        {
                                break;
                        }
                }
        }

        show_top10 = 0;
        return REDRAW;
}

int locate_article(void *param)
{
        char buf[MAX_MENUITEM_NAME_LENGTH];
        char *sname, *aid, *saveptr;

        strncpy(buf, param, sizeof(buf) - 1);
        buf[sizeof(buf) - 1] = '\0';

        sname = strtok_r(buf, "|", &saveptr);
        aid = strtok_r(NULL, "|", &saveptr);

        if (sname == NULL || aid == NULL)
        {
                log_error("top10_locate(%s) error: invalid parameter\n", param);
                return NOREDRAW;
        }

        section_list_display(sname, atoi(aid));

        return REDRAW;
}

int favor_topic(void *param)
{
        if (article_favor_display(&BBS_article_favor) < 0)
        {
                log_error("article_favor_display() error\n");
        }

        return REDRAW;
}

int list_user(void *param)
{
        if (user_list_display(0) < 0)
        {
                log_error("user_list_display(all_user) error\n");
        }

        return REDRAW;
}

int list_online_user(void *param)
{
        if (user_list_display(1) < 0)
        {
                log_error("user_list_display(online_user) error\n");
        }

        return REDRAW;
}
1	sysadm	1.1	/***************************************************************************
2	sysadm	1.6	menu_proc.c - description
3			-------------------
4	sysadm	1.11	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	1.11	* 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	1.28	#include "article_cache.h"
18	sysadm	1.37	#include "article_favor_display.h"
19	sysadm	1.28	#include "article_view_log.h"
20	sysadm	1.1	#include "bbs.h"
21			#include "bbs_cmd.h"
22			#include "common.h"
23	sysadm	1.27	#include "io.h"
24	sysadm	1.7	#include "log.h"
25	sysadm	1.28	#include "login.h"
26	sysadm	1.27	#include "menu.h"
27			#include "section_list_display.h"
28	sysadm	1.7	#include "screen.h"
29	sysadm	1.42	#include "user_list_display.h"
30	sysadm	1.20	#include "user_priv.h"
31	sysadm	1.1	#include <dlfcn.h>
32	sysadm	1.4	#include <errno.h>
33	sysadm	1.5	#include <signal.h>
34	sysadm	1.28	#include <stdlib.h>
35	sysadm	1.4	#include <string.h>
36	sysadm	1.1	#include <time.h>
37	sysadm	1.4	#include <unistd.h>
38	sysadm	1.25	#include <sys/types.h>
39	sysadm	1.1
40	sysadm	1.17	int list_section(void *param)
41			{
42	sysadm	1.31	section_list_display(param, 0);
43	sysadm	1.18
44			return REDRAW;
45	sysadm	1.17	}
46
47	sysadm	1.41	typedef union exec_handler_t{
48			void *p;
49			int (*handler)();
50			} exec_handler;
51
52	sysadm	1.16	int exec_mbem(void *param)
53	sysadm	1.1	{
54	sysadm	1.6	void *hdll;
55	sysadm	1.41	exec_handler func;
56	sysadm	1.6	char c, s;
57	sysadm	1.10	char buf[FILE_PATH_LEN];
58
59	sysadm	1.16	strncpy(buf, (const char *)param, sizeof(buf) - 1);
60	sysadm	1.10	buf[sizeof(buf) - 1] = '\0';
61	sysadm	1.6
62			s = strstr(buf, "@mod:");
63			if (s)
64			{
65			c = strstr(s + 5, "#");
66			if (c)
67			{
68			*c = 0;
69			c++;
70			}
71
72			hdll = dlopen(s + 5, RTLD_LAZY);
73
74			if (hdll)
75			{
76			char *error;
77
78	sysadm	1.41	if ((func.p = dlsym(hdll, c ? c : "mod_main")) != NULL)
79			{
80			func.handler();
81			}
82	sysadm	1.6	else if ((error = dlerror()) != NULL)
83			{
84			clearscr();
85			prints("%s\r\n", error);
86			press_any_key();
87			}
88			dlclose(hdll);
89			}
90			else
91			{
92			clearscr();
93	sysadm	1.30	prints("加载库文件 [%s] 失败!!\r\n", s + 5);
94			prints("失败原因:%s\r\n", dlerror());
95	sysadm	1.6	press_any_key();
96			}
97			}
98
99			return REDRAW;
100	sysadm	1.1	}
101
102	sysadm	1.22	int exit_bbs(void *param)
103	sysadm	1.1	{
104	sysadm	1.6	return EXITBBS;
105	sysadm	1.1	}
106
107	sysadm	1.16	int license(void *param)
108	sysadm	1.1	{
109	sysadm	1.24	display_file(DATA_LICENSE, 0);
110	sysadm	1.6
111			return REDRAW;
112	sysadm	1.1	}
113
114	sysadm	1.16	int copyright(void *param)
115	sysadm	1.1	{
116	sysadm	1.24	display_file(DATA_COPYRIGHT, 1);
117	sysadm	1.1
118	sysadm	1.6	return REDRAW;
119	sysadm	1.3	}
120
121	sysadm	1.40	int version(void *param)
122			{
123			display_file(DATA_VERSION, 1);
124
125			return REDRAW;
126			}
127
128	sysadm	1.22	int reload_bbs_conf(void *param)
129	sysadm	1.4	{
130	sysadm	1.12	clearscr();
131
132	sysadm	1.15	if (kill(getppid(), SIGHUP) < 0)
133	sysadm	1.9	{
134	sysadm	1.15	log_error("Send SIGHUP signal failed (%d)\n", errno);
135	sysadm	1.12
136	sysadm	1.30	prints("发送指令失败\r\n");
137	sysadm	1.9	}
138	sysadm	1.12	else
139			{
140	sysadm	1.30	prints("已发送指令\r\n");
141	sysadm	1.12	}
142
143			press_any_key();
144	sysadm	1.4
145	sysadm	1.6	return REDRAW;
146	sysadm	1.4	}
147
148	sysadm	1.22	int shutdown_bbs(void *param)
149	sysadm	1.3	{
150	sysadm	1.23	log_common("Notify main process to exit\n");
151	sysadm	1.14
152			if (kill(getppid(), SIGTERM) < 0)
153	sysadm	1.9	{
154	sysadm	1.6	log_error("Send SIGTERM signal failed (%d)\n", errno);
155	sysadm	1.9	}
156	sysadm	1.3
157	sysadm	1.6	return REDRAW;
158	sysadm	1.1	}
159	sysadm	1.20
160	sysadm	1.33	int favor_section_filter(void *param)
161	sysadm	1.20	{
162			MENU_ITEM *p_menu_item = param;
163
164			return (is_favor(&BBS_priv, p_menu_item->priv) && checklevel2(&BBS_priv, p_menu_item->level));
165			}
166	sysadm	1.28
167			static int display_ex_article_key_handler(int p_key, DISPLAY_CTX p_ctx)
168			{
169			switch (*p_key)
170			{
171			case 0: // Set msg
172			snprintf(p_ctx->msg, sizeof(p_ctx->msg),
173	sysadm	1.30	"\| 返回[\033[32m←\033[33m,\033[32mESC\033[33m] \| "
174			"移动[\033[32m↑\033[33m/\033[32m↓\033[33m/\033[32mPgUp\033[33m/\033[32mPgDn\033[33m] \| "
175			"帮助[\033[32mh\033[33m] \|");
176	sysadm	1.28	break;
177			}
178
179			return 0;
180			}
181
182			int view_ex_article(void *param)
183			{
184			ARTICLE_CACHE cache;
185			ARTICLE *p_article;
186			int32_t aid = atoi(param);
187			int ret;
188
189			(void)ret;
190
191			p_article = article_block_find_by_aid(aid);
192			if (p_article == NULL)
193			{
194			log_error("article_block_find_by_aid(%d) error\n", aid);
195			return NOREDRAW;
196			}
197
198			if (article_cache_load(&cache, VAR_ARTICLE_CACHE_DIR, p_article) < 0)
199			{
200			log_error("article_cache_load(aid=%d, cid=%d) error\n", p_article->aid, p_article->cid);
201			return NOREDRAW;
202			}
203
204			if (user_online_update("VIEW_ARTICLE") < 0)
205			{
206			log_error("user_online_update(VIEW_ARTICLE) error\n");
207			}
208
209			ret = display_data(cache.p_data, cache.line_total, cache.line_offsets, 0,
210			display_ex_article_key_handler, DATA_READ_HELP);
211
212			if (article_cache_unload(&cache) < 0)
213			{
214			log_error("article_cache_unload(aid=%d, cid=%d) error\n", p_article->aid, p_article->cid);
215			}
216
217			// Update article_view_log
218			if (article_view_log_set_viewed(p_article->aid, &BBS_article_view_log) < 0)
219			{
220			log_error("article_view_log_set_viewed(aid=%d) error\n", p_article->aid);
221			}
222
223			return REDRAW;
224			}
225	sysadm	1.29
226			int list_ex_section(void *param)
227			{
228			SECTION_LIST *p_section;
229
230	sysadm	1.36	p_section = section_list_find_by_name(param);
231	sysadm	1.29	if (p_section == NULL)
232			{
233			log_error("Section %s not found\n", (const char *)param);
234			return -1;
235			}
236
237			if (section_list_ex_dir_display(p_section) < 0)
238			{
239			log_error("section_list_ex_dir_display(sid=%d) error\n", p_section->sid);
240			}
241
242			return REDRAW;
243			}
244	sysadm	1.32
245	sysadm	1.34	int show_top10_menu(void *param)
246	sysadm	1.32	{
247	sysadm	1.35	static int show_top10 = 0;
248	sysadm	1.34	int ch = 0;
249
250	sysadm	1.35	if (show_top10)
251			{
252			return NOREDRAW;
253			}
254			show_top10 = 1;
255	sysadm	1.38
256	sysadm	1.34	clearscr();
257			show_top("", BBS_name, "");
258			show_bottom("");
259
260			if (display_menu(&top10_menu) == 0)
261			{
262			while (!SYS_server_exit)
263			{
264			iflush();
265			ch = igetch(100);
266	sysadm	1.38
267			if (ch != KEY_NULL && ch != KEY_TIMEOUT)
268			{
269			BBS_last_access_tm = time(NULL);
270			}
271
272	sysadm	1.34	switch (ch)
273			{
274			case KEY_NULL: // broken pipe
275	sysadm	1.38	log_error("KEY_NULL\n");
276	sysadm	1.35	show_top10 = 0;
277	sysadm	1.34	return 0;
278			case KEY_TIMEOUT:
279			if (time(NULL) - BBS_last_access_tm >= MAX_DELAY_TIME)
280			{
281	sysadm	1.38	log_error("User input timeout\n");
282	sysadm	1.35	show_top10 = 0;
283	sysadm	1.34	return 0;
284			}
285			continue;
286			case CR:
287			default:
288			switch (menu_control(&top10_menu, ch))
289			{
290			case EXITMENU:
291			ch = EXITMENU;
292			break;
293			case REDRAW:
294			clearscr();
295			show_bottom("");
296			display_menu(&top10_menu);
297			break;
298			case NOREDRAW:
299			case UNKNOWN_CMD:
300			default:
301			break;
302			}
303			}
304
305			if (ch == EXITMENU)
306			{
307			break;
308			}
309			}
310			}
311	sysadm	1.38
312	sysadm	1.35	show_top10 = 0;
313	sysadm	1.32	return REDRAW;
314			}
315
316			int locate_article(void *param)
317			{
318	sysadm	1.34	char buf[MAX_MENUITEM_NAME_LENGTH];
319	sysadm	1.32	char sname, aid, *saveptr;
320
321	sysadm	1.34	strncpy(buf, param, sizeof(buf) - 1);
322			buf[sizeof(buf) - 1] = '\0';
323
324			sname = strtok_r(buf, "\|", &saveptr);
325			aid = strtok_r(NULL, "\|", &saveptr);
326	sysadm	1.32
327			if (sname == NULL \|\| aid == NULL)
328			{
329	sysadm	1.34	log_error("top10_locate(%s) error: invalid parameter\n", param);
330	sysadm	1.32	return NOREDRAW;
331			}
332
333			section_list_display(sname, atoi(aid));
334
335			return REDRAW;
336			}
337
338			int favor_topic(void *param)
339			{
340	sysadm	1.37	if (article_favor_display(&BBS_article_favor) < 0)
341			{
342			log_error("article_favor_display() error\n");
343			}
344	sysadm	1.32
345			return REDRAW;
346			}
347	sysadm	1.42
348	sysadm	1.43	int list_user(void *param)
349	sysadm	1.42	{
350	sysadm	1.43	if (user_list_display(0) < 0)
351	sysadm	1.42	{
352	sysadm	1.43	log_error("user_list_display(all_user) error\n");
353			}
354
355			return REDRAW;
356			}
357
358			int list_online_user(void *param)
359			{
360			if (user_list_display(1) < 0)
361			{
362			log_error("user_list_display(online_user) error\n");
363	sysadm	1.42	}
364
365			return REDRAW;
366			}
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