lbbs/src/menu_proc.c

/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
 * menu_proc
 *   - handler functions of menu commands
 *
 * Copyright (C) 2004-2025  Leaflet <leaflet@leafok.com>
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "article_cache.h"
#include "article_favor_display.h"
#include "article_view_log.h"
#include "bbs.h"
#include "bbs_cmd.h"
#include "bbs_net.h"
#include "chicken.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_info_update.h"
#include "user_list_display.h"
#include "user_priv.h"
#include <ctype.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++;
                }

#ifdef _ENABLE_SHARED
                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();
                }
#else
                (void)hdll;
                (void)func;

                if (strcasecmp(c, "bbs_net") == 0)
                {
                        bbs_net();
                }
                else if (strcasecmp(c, "chicken_main") == 0)
                {
                        chicken_main();
                }
                else
                {
                        clearscr();
                        prints("未知入口 [%s] !!\r\n", c);
                        press_any_key();
                }
#endif
        }

        return REDRAW;
}

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

int eula(void *param)
{
        display_file(DATA_EULA, 0);

        return REDRAW;
}

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)", 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)
{
        char buf[2] = "N";

        clearscr();
        get_data(1, 1, "真的要关闭系统吗[y/N]? ", buf, sizeof(buf), 1);

        if (toupper(buf[0]) == 'Y')
        {
                log_common("Notify main process to exit by [%s]", BBS_username);

                if (kill(getppid(), SIGTERM) < 0)
                {
                        log_error("Send SIGTERM signal failed (%d)", 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", 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", p_article->aid, p_article->cid);
                return NOREDRAW;
        }

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

        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", 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", 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", (const char *)param);
                return -1;
        }

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

        return REDRAW;
}

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

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

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

        if (display_menu(&top10_menu) == 0)
        {
                for (loop = 1; !SYS_server_exit && loop;)
                {
                        iflush();
                        ch = igetch(100);

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

                        if (user_online_update("TOP10_MENU") < 0)
                        {
                                log_error("user_online_update(TOP10_MENU) error");
                        }

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

        return REDRAW;
}

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

        return REDRAW;
}

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

        return REDRAW;
}

int edit_intro(void *param)
{
        if (user_intro_edit(BBS_priv.uid) < 0)
        {
                log_error("user_intro_edit(%d) error", BBS_priv.uid);
        }

        return REDRAW;
}

int edit_sign(void *param)
{
        if (user_sign_edit(BBS_priv.uid) < 0)
        {
                log_error("user_sign_edit(%d) error", BBS_priv.uid);
        }

        return REDRAW;
}
1	sysadm	1.44	/* SPDX-License-Identifier: GPL-3.0-or-later */
2			/*
3			* menu_proc
4			* - handler functions of menu commands
5			*
6	sysadm	1.45	* Copyright (C) 2004-2025 Leaflet <leaflet@leafok.com>
7	sysadm	1.44	*/
8	sysadm	1.1
9	sysadm	1.50	#ifdef HAVE_CONFIG_H
10			#include "config.h"
11			#endif
12
13	sysadm	1.28	#include "article_cache.h"
14	sysadm	1.37	#include "article_favor_display.h"
15	sysadm	1.28	#include "article_view_log.h"
16	sysadm	1.1	#include "bbs.h"
17			#include "bbs_cmd.h"
18	sysadm	1.52	#include "bbs_net.h"
19			#include "chicken.h"
20	sysadm	1.1	#include "common.h"
21	sysadm	1.27	#include "io.h"
22	sysadm	1.7	#include "log.h"
23	sysadm	1.28	#include "login.h"
24	sysadm	1.27	#include "menu.h"
25			#include "section_list_display.h"
26	sysadm	1.7	#include "screen.h"
27	sysadm	1.47	#include "user_info_update.h"
28	sysadm	1.42	#include "user_list_display.h"
29	sysadm	1.20	#include "user_priv.h"
30	sysadm	1.49	#include <ctype.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	1.44	typedef union exec_handler_t
48			{
49	sysadm	1.41	void *p;
50			int (*handler)();
51			} exec_handler;
52
53	sysadm	1.16	int exec_mbem(void *param)
54	sysadm	1.1	{
55	sysadm	1.6	void *hdll;
56	sysadm	1.41	exec_handler func;
57	sysadm	1.6	char c, s;
58	sysadm	1.10	char buf[FILE_PATH_LEN];
59
60	sysadm	1.16	strncpy(buf, (const char *)param, sizeof(buf) - 1);
61	sysadm	1.10	buf[sizeof(buf) - 1] = '\0';
62	sysadm	1.6
63			s = strstr(buf, "@mod:");
64			if (s)
65			{
66			c = strstr(s + 5, "#");
67			if (c)
68			{
69			*c = 0;
70			c++;
71			}
72
73	sysadm	1.55	#ifdef _ENABLE_SHARED
74	sysadm	1.6	hdll = dlopen(s + 5, RTLD_LAZY);
75
76			if (hdll)
77			{
78			char *error;
79
80	sysadm	1.41	if ((func.p = dlsym(hdll, c ? c : "mod_main")) != NULL)
81			{
82			func.handler();
83			}
84	sysadm	1.6	else if ((error = dlerror()) != NULL)
85			{
86			clearscr();
87			prints("%s\r\n", error);
88			press_any_key();
89			}
90			dlclose(hdll);
91			}
92			else
93			{
94			clearscr();
95	sysadm	1.30	prints("加载库文件 [%s] 失败!!\r\n", s + 5);
96			prints("失败原因:%s\r\n", dlerror());
97	sysadm	1.6	press_any_key();
98			}
99	sysadm	1.52	#else
100			(void)hdll;
101			(void)func;
102
103			if (strcasecmp(c, "bbs_net") == 0)
104			{
105			bbs_net();
106			}
107	sysadm	1.53	else if (strcasecmp(c, "chicken_main") == 0)
108			{
109			chicken_main();
110			}
111	sysadm	1.52	else
112			{
113			clearscr();
114			prints("未知入口 [%s] !!\r\n", c);
115			press_any_key();
116			}
117			#endif
118	sysadm	1.6	}
119
120			return REDRAW;
121	sysadm	1.1	}
122
123	sysadm	1.22	int exit_bbs(void *param)
124	sysadm	1.1	{
125	sysadm	1.6	return EXITBBS;
126	sysadm	1.1	}
127
128	sysadm	1.57	int eula(void *param)
129			{
130			display_file(DATA_EULA, 0);
131
132			return REDRAW;
133			}
134
135	sysadm	1.16	int license(void *param)
136	sysadm	1.1	{
137	sysadm	1.24	display_file(DATA_LICENSE, 0);
138	sysadm	1.6
139			return REDRAW;
140	sysadm	1.1	}
141
142	sysadm	1.16	int copyright(void *param)
143	sysadm	1.1	{
144	sysadm	1.24	display_file(DATA_COPYRIGHT, 1);
145	sysadm	1.1
146	sysadm	1.6	return REDRAW;
147	sysadm	1.3	}
148
149	sysadm	1.40	int version(void *param)
150			{
151			display_file(DATA_VERSION, 1);
152
153			return REDRAW;
154			}
155
156	sysadm	1.22	int reload_bbs_conf(void *param)
157	sysadm	1.4	{
158	sysadm	1.12	clearscr();
159
160	sysadm	1.15	if (kill(getppid(), SIGHUP) < 0)
161	sysadm	1.9	{
162	sysadm	1.62	log_error("Send SIGHUP signal failed (%d)", errno);
163	sysadm	1.12
164	sysadm	1.30	prints("发送指令失败\r\n");
165	sysadm	1.9	}
166	sysadm	1.12	else
167			{
168	sysadm	1.30	prints("已发送指令\r\n");
169	sysadm	1.12	}
170
171			press_any_key();
172	sysadm	1.4
173	sysadm	1.6	return REDRAW;
174	sysadm	1.4	}
175
176	sysadm	1.22	int shutdown_bbs(void *param)
177	sysadm	1.3	{
178	sysadm	1.48	char buf[2] = "N";
179	sysadm	1.14
180	sysadm	1.48	clearscr();
181			get_data(1, 1, "真的要关闭系统吗[y/N]? ", buf, sizeof(buf), 1);
182
183			if (toupper(buf[0]) == 'Y')
184	sysadm	1.9	{
185	sysadm	1.62	log_common("Notify main process to exit by [%s]", BBS_username);
186	sysadm	1.48
187			if (kill(getppid(), SIGTERM) < 0)
188			{
189	sysadm	1.62	log_error("Send SIGTERM signal failed (%d)", errno);
190	sysadm	1.48	}
191	sysadm	1.9	}
192	sysadm	1.3
193	sysadm	1.6	return REDRAW;
194	sysadm	1.1	}
195	sysadm	1.20
196	sysadm	1.33	int favor_section_filter(void *param)
197	sysadm	1.20	{
198			MENU_ITEM *p_menu_item = param;
199
200			return (is_favor(&BBS_priv, p_menu_item->priv) && checklevel2(&BBS_priv, p_menu_item->level));
201			}
202	sysadm	1.28
203			static int display_ex_article_key_handler(int p_key, DISPLAY_CTX p_ctx)
204			{
205			switch (*p_key)
206			{
207			case 0: // Set msg
208			snprintf(p_ctx->msg, sizeof(p_ctx->msg),
209	sysadm	1.30	"\| 返回[\033[32m←\033[33m,\033[32mESC\033[33m] \| "
210			"移动[\033[32m↑\033[33m/\033[32m↓\033[33m/\033[32mPgUp\033[33m/\033[32mPgDn\033[33m] \| "
211			"帮助[\033[32mh\033[33m] \|");
212	sysadm	1.28	break;
213			}
214
215			return 0;
216			}
217
218			int view_ex_article(void *param)
219			{
220			ARTICLE_CACHE cache;
221			ARTICLE *p_article;
222			int32_t aid = atoi(param);
223			int ret;
224
225			(void)ret;
226
227			p_article = article_block_find_by_aid(aid);
228			if (p_article == NULL)
229			{
230	sysadm	1.62	log_error("article_block_find_by_aid(%d) error", aid);
231	sysadm	1.28	return NOREDRAW;
232			}
233
234			if (article_cache_load(&cache, VAR_ARTICLE_CACHE_DIR, p_article) < 0)
235			{
236	sysadm	1.62	log_error("article_cache_load(aid=%d, cid=%d) error", p_article->aid, p_article->cid);
237	sysadm	1.28	return NOREDRAW;
238			}
239
240			if (user_online_update("VIEW_ARTICLE") < 0)
241			{
242	sysadm	1.62	log_error("user_online_update(VIEW_ARTICLE) error");
243	sysadm	1.28	}
244
245			ret = display_data(cache.p_data, cache.line_total, cache.line_offsets, 0,
246			display_ex_article_key_handler, DATA_READ_HELP);
247
248			if (article_cache_unload(&cache) < 0)
249			{
250	sysadm	1.62	log_error("article_cache_unload(aid=%d, cid=%d) error", p_article->aid, p_article->cid);
251	sysadm	1.28	}
252
253			// Update article_view_log
254			if (article_view_log_set_viewed(p_article->aid, &BBS_article_view_log) < 0)
255			{
256	sysadm	1.62	log_error("article_view_log_set_viewed(aid=%d) error", p_article->aid);
257	sysadm	1.28	}
258
259			return REDRAW;
260			}
261	sysadm	1.29
262			int list_ex_section(void *param)
263			{
264			SECTION_LIST *p_section;
265
266	sysadm	1.36	p_section = section_list_find_by_name(param);
267	sysadm	1.29	if (p_section == NULL)
268			{
269	sysadm	1.62	log_error("Section %s not found", (const char *)param);
270	sysadm	1.29	return -1;
271			}
272
273			if (section_list_ex_dir_display(p_section) < 0)
274			{
275	sysadm	1.62	log_error("section_list_ex_dir_display(sid=%d) error", p_section->sid);
276	sysadm	1.29	}
277
278			return REDRAW;
279			}
280	sysadm	1.32
281	sysadm	1.34	int show_top10_menu(void *param)
282	sysadm	1.32	{
283	sysadm	1.35	static int show_top10 = 0;
284	sysadm	1.34	int ch = 0;
285	sysadm	1.56	int loop;
286	sysadm	1.34
287	sysadm	1.35	if (show_top10)
288			{
289			return NOREDRAW;
290			}
291			show_top10 = 1;
292	sysadm	1.38
293	sysadm	1.34	clearscr();
294			show_top("", BBS_name, "");
295			show_bottom("");
296
297			if (display_menu(&top10_menu) == 0)
298			{
299	sysadm	1.56	for (loop = 1; !SYS_server_exit && loop;)
300	sysadm	1.34	{
301			iflush();
302			ch = igetch(100);
303	sysadm	1.38
304			if (ch != KEY_NULL && ch != KEY_TIMEOUT)
305			{
306			BBS_last_access_tm = time(NULL);
307			}
308
309	sysadm	1.58	if (user_online_update("TOP10_MENU") < 0)
310			{
311	sysadm	1.62	log_error("user_online_update(TOP10_MENU) error");
312	sysadm	1.58	}
313
314	sysadm	1.34	switch (ch)
315			{
316			case KEY_NULL: // broken pipe
317	sysadm	1.62	log_debug("KEY_NULL");
318	sysadm	1.56	loop = 0;
319			break;
320	sysadm	1.34	case KEY_TIMEOUT:
321	sysadm	1.46	if (time(NULL) - BBS_last_access_tm >= BBS_max_user_idle_time)
322	sysadm	1.34	{
323	sysadm	1.62	log_debug("User input timeout");
324	sysadm	1.56	loop = 0;
325			break;
326	sysadm	1.34	}
327			continue;
328			case CR:
329			default:
330			switch (menu_control(&top10_menu, ch))
331			{
332			case EXITMENU:
333	sysadm	1.56	loop = 0;
334	sysadm	1.34	break;
335			case REDRAW:
336			clearscr();
337			show_bottom("");
338			display_menu(&top10_menu);
339			break;
340			case NOREDRAW:
341			case UNKNOWN_CMD:
342			default:
343			break;
344			}
345			}
346			}
347			}
348	sysadm	1.38
349	sysadm	1.35	show_top10 = 0;
350	sysadm	1.32	return REDRAW;
351			}
352
353			int locate_article(void *param)
354			{
355	sysadm	1.34	char buf[MAX_MENUITEM_NAME_LENGTH];
356	sysadm	1.32	char sname, aid, *saveptr;
357
358	sysadm	1.34	strncpy(buf, param, sizeof(buf) - 1);
359			buf[sizeof(buf) - 1] = '\0';
360
361			sname = strtok_r(buf, "\|", &saveptr);
362			aid = strtok_r(NULL, "\|", &saveptr);
363	sysadm	1.32
364			if (sname == NULL \|\| aid == NULL)
365			{
366	sysadm	1.62	log_error("top10_locate(%s) error: invalid parameter", param);
367	sysadm	1.32	return NOREDRAW;
368			}
369
370			section_list_display(sname, atoi(aid));
371
372			return REDRAW;
373			}
374
375			int favor_topic(void *param)
376			{
377	sysadm	1.37	if (article_favor_display(&BBS_article_favor) < 0)
378			{
379	sysadm	1.62	log_error("article_favor_display() error");
380	sysadm	1.37	}
381	sysadm	1.32
382			return REDRAW;
383			}
384	sysadm	1.42
385	sysadm	1.43	int list_user(void *param)
386	sysadm	1.42	{
387	sysadm	1.43	if (user_list_display(0) < 0)
388	sysadm	1.42	{
389	sysadm	1.62	log_error("user_list_display(all_user) error");
390	sysadm	1.43	}
391
392			return REDRAW;
393			}
394
395			int list_online_user(void *param)
396			{
397			if (user_list_display(1) < 0)
398			{
399	sysadm	1.62	log_error("user_list_display(online_user) error");
400	sysadm	1.42	}
401
402			return REDRAW;
403			}
404	sysadm	1.47
405			int edit_intro(void *param)
406			{
407			if (user_intro_edit(BBS_priv.uid) < 0)
408			{
409	sysadm	1.62	log_error("user_intro_edit(%d) error", BBS_priv.uid);
410	sysadm	1.47	}
411
412			return REDRAW;
413			}
414	sysadm	1.51
415			int edit_sign(void *param)
416			{
417			if (user_sign_edit(BBS_priv.uid) < 0)
418			{
419	sysadm	1.62	log_error("user_sign_edit(%d) error", BBS_priv.uid);
420	sysadm	1.51	}
421
422			return REDRAW;
423			}
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