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 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)
{
        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]\n", BBS_username);

                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;
        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);
                        }

                        switch (ch)
                        {
                        case KEY_NULL: // broken pipe
                                log_error("KEY_NULL\n");
                                loop = 0;
                                break;
                        case KEY_TIMEOUT:
                                if (time(NULL) - BBS_last_access_tm >= BBS_max_user_idle_time)
                                {
                                        log_error("User input timeout\n");
                                        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\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;
}

int edit_intro(void *param)
{
        if (user_intro_edit(BBS_priv.uid) < 0)
        {
                log_error("user_intro_edit(%d) error\n", 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\n", 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	1.16	int license(void *param)
129	sysadm	1.1	{
130	sysadm	1.24	display_file(DATA_LICENSE, 0);
131	sysadm	1.6
132			return REDRAW;
133	sysadm	1.1	}
134
135	sysadm	1.16	int copyright(void *param)
136	sysadm	1.1	{
137	sysadm	1.24	display_file(DATA_COPYRIGHT, 1);
138	sysadm	1.1
139	sysadm	1.6	return REDRAW;
140	sysadm	1.3	}
141
142	sysadm	1.40	int version(void *param)
143			{
144			display_file(DATA_VERSION, 1);
145
146			return REDRAW;
147			}
148
149	sysadm	1.22	int reload_bbs_conf(void *param)
150	sysadm	1.4	{
151	sysadm	1.12	clearscr();
152
153	sysadm	1.15	if (kill(getppid(), SIGHUP) < 0)
154	sysadm	1.9	{
155	sysadm	1.15	log_error("Send SIGHUP signal failed (%d)\n", errno);
156	sysadm	1.12
157	sysadm	1.30	prints("发送指令失败\r\n");
158	sysadm	1.9	}
159	sysadm	1.12	else
160			{
161	sysadm	1.30	prints("已发送指令\r\n");
162	sysadm	1.12	}
163
164			press_any_key();
165	sysadm	1.4
166	sysadm	1.6	return REDRAW;
167	sysadm	1.4	}
168
169	sysadm	1.22	int shutdown_bbs(void *param)
170	sysadm	1.3	{
171	sysadm	1.48	char buf[2] = "N";
172	sysadm	1.14
173	sysadm	1.48	clearscr();
174			get_data(1, 1, "真的要关闭系统吗[y/N]? ", buf, sizeof(buf), 1);
175
176			if (toupper(buf[0]) == 'Y')
177	sysadm	1.9	{
178	sysadm	1.48	log_common("Notify main process to exit by [%s]\n", BBS_username);
179
180			if (kill(getppid(), SIGTERM) < 0)
181			{
182			log_error("Send SIGTERM signal failed (%d)\n", errno);
183			}
184	sysadm	1.9	}
185	sysadm	1.3
186	sysadm	1.6	return REDRAW;
187	sysadm	1.1	}
188	sysadm	1.20
189	sysadm	1.33	int favor_section_filter(void *param)
190	sysadm	1.20	{
191			MENU_ITEM *p_menu_item = param;
192
193			return (is_favor(&BBS_priv, p_menu_item->priv) && checklevel2(&BBS_priv, p_menu_item->level));
194			}
195	sysadm	1.28
196			static int display_ex_article_key_handler(int p_key, DISPLAY_CTX p_ctx)
197			{
198			switch (*p_key)
199			{
200			case 0: // Set msg
201			snprintf(p_ctx->msg, sizeof(p_ctx->msg),
202	sysadm	1.30	"\| 返回[\033[32m←\033[33m,\033[32mESC\033[33m] \| "
203			"移动[\033[32m↑\033[33m/\033[32m↓\033[33m/\033[32mPgUp\033[33m/\033[32mPgDn\033[33m] \| "
204			"帮助[\033[32mh\033[33m] \|");
205	sysadm	1.28	break;
206			}
207
208			return 0;
209			}
210
211			int view_ex_article(void *param)
212			{
213			ARTICLE_CACHE cache;
214			ARTICLE *p_article;
215			int32_t aid = atoi(param);
216			int ret;
217
218			(void)ret;
219
220			p_article = article_block_find_by_aid(aid);
221			if (p_article == NULL)
222			{
223			log_error("article_block_find_by_aid(%d) error\n", aid);
224			return NOREDRAW;
225			}
226
227			if (article_cache_load(&cache, VAR_ARTICLE_CACHE_DIR, p_article) < 0)
228			{
229			log_error("article_cache_load(aid=%d, cid=%d) error\n", p_article->aid, p_article->cid);
230			return NOREDRAW;
231			}
232
233			if (user_online_update("VIEW_ARTICLE") < 0)
234			{
235			log_error("user_online_update(VIEW_ARTICLE) error\n");
236			}
237
238			ret = display_data(cache.p_data, cache.line_total, cache.line_offsets, 0,
239			display_ex_article_key_handler, DATA_READ_HELP);
240
241			if (article_cache_unload(&cache) < 0)
242			{
243			log_error("article_cache_unload(aid=%d, cid=%d) error\n", p_article->aid, p_article->cid);
244			}
245
246			// Update article_view_log
247			if (article_view_log_set_viewed(p_article->aid, &BBS_article_view_log) < 0)
248			{
249			log_error("article_view_log_set_viewed(aid=%d) error\n", p_article->aid);
250			}
251
252			return REDRAW;
253			}
254	sysadm	1.29
255			int list_ex_section(void *param)
256			{
257			SECTION_LIST *p_section;
258
259	sysadm	1.36	p_section = section_list_find_by_name(param);
260	sysadm	1.29	if (p_section == NULL)
261			{
262			log_error("Section %s not found\n", (const char *)param);
263			return -1;
264			}
265
266			if (section_list_ex_dir_display(p_section) < 0)
267			{
268			log_error("section_list_ex_dir_display(sid=%d) error\n", p_section->sid);
269			}
270
271			return REDRAW;
272			}
273	sysadm	1.32
274	sysadm	1.34	int show_top10_menu(void *param)
275	sysadm	1.32	{
276	sysadm	1.35	static int show_top10 = 0;
277	sysadm	1.34	int ch = 0;
278	sysadm	1.56	int loop;
279	sysadm	1.34
280	sysadm	1.35	if (show_top10)
281			{
282			return NOREDRAW;
283			}
284			show_top10 = 1;
285	sysadm	1.38
286	sysadm	1.34	clearscr();
287			show_top("", BBS_name, "");
288			show_bottom("");
289
290			if (display_menu(&top10_menu) == 0)
291			{
292	sysadm	1.56	for (loop = 1; !SYS_server_exit && loop;)
293	sysadm	1.34	{
294			iflush();
295			ch = igetch(100);
296	sysadm	1.38
297			if (ch != KEY_NULL && ch != KEY_TIMEOUT)
298			{
299			BBS_last_access_tm = time(NULL);
300			}
301
302	sysadm	1.34	switch (ch)
303			{
304			case KEY_NULL: // broken pipe
305	sysadm	1.38	log_error("KEY_NULL\n");
306	sysadm	1.56	loop = 0;
307			break;
308	sysadm	1.34	case KEY_TIMEOUT:
309	sysadm	1.46	if (time(NULL) - BBS_last_access_tm >= BBS_max_user_idle_time)
310	sysadm	1.34	{
311	sysadm	1.38	log_error("User input timeout\n");
312	sysadm	1.56	loop = 0;
313			break;
314	sysadm	1.34	}
315			continue;
316			case CR:
317			default:
318			switch (menu_control(&top10_menu, ch))
319			{
320			case EXITMENU:
321	sysadm	1.56	loop = 0;
322	sysadm	1.34	break;
323			case REDRAW:
324			clearscr();
325			show_bottom("");
326			display_menu(&top10_menu);
327			break;
328			case NOREDRAW:
329			case UNKNOWN_CMD:
330			default:
331			break;
332			}
333			}
334			}
335			}
336	sysadm	1.38
337	sysadm	1.35	show_top10 = 0;
338	sysadm	1.32	return REDRAW;
339			}
340
341			int locate_article(void *param)
342			{
343	sysadm	1.34	char buf[MAX_MENUITEM_NAME_LENGTH];
344	sysadm	1.32	char sname, aid, *saveptr;
345
346	sysadm	1.34	strncpy(buf, param, sizeof(buf) - 1);
347			buf[sizeof(buf) - 1] = '\0';
348
349			sname = strtok_r(buf, "\|", &saveptr);
350			aid = strtok_r(NULL, "\|", &saveptr);
351	sysadm	1.32
352			if (sname == NULL \|\| aid == NULL)
353			{
354	sysadm	1.34	log_error("top10_locate(%s) error: invalid parameter\n", param);
355	sysadm	1.32	return NOREDRAW;
356			}
357
358			section_list_display(sname, atoi(aid));
359
360			return REDRAW;
361			}
362
363			int favor_topic(void *param)
364			{
365	sysadm	1.37	if (article_favor_display(&BBS_article_favor) < 0)
366			{
367			log_error("article_favor_display() error\n");
368			}
369	sysadm	1.32
370			return REDRAW;
371			}
372	sysadm	1.42
373	sysadm	1.43	int list_user(void *param)
374	sysadm	1.42	{
375	sysadm	1.43	if (user_list_display(0) < 0)
376	sysadm	1.42	{
377	sysadm	1.43	log_error("user_list_display(all_user) error\n");
378			}
379
380			return REDRAW;
381			}
382
383			int list_online_user(void *param)
384			{
385			if (user_list_display(1) < 0)
386			{
387			log_error("user_list_display(online_user) error\n");
388	sysadm	1.42	}
389
390			return REDRAW;
391			}
392	sysadm	1.47
393			int edit_intro(void *param)
394			{
395			if (user_intro_edit(BBS_priv.uid) < 0)
396			{
397			log_error("user_intro_edit(%d) error\n", BBS_priv.uid);
398			}
399
400			return REDRAW;
401			}
402	sysadm	1.51
403			int edit_sign(void *param)
404			{
405			if (user_sign_edit(BBS_priv.uid) < 0)
406			{
407			log_error("user_sign_edit(%d) error\n", BBS_priv.uid);
408			}
409
410			return REDRAW;
411			}
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