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 "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++;
                }

                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)
{
        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;

        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 >= BBS_max_user_idle_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;
}

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			#include "common.h"
19	sysadm	1.27	#include "io.h"
20	sysadm	1.7	#include "log.h"
21	sysadm	1.28	#include "login.h"
22	sysadm	1.27	#include "menu.h"
23			#include "section_list_display.h"
24	sysadm	1.7	#include "screen.h"
25	sysadm	1.47	#include "user_info_update.h"
26	sysadm	1.42	#include "user_list_display.h"
27	sysadm	1.20	#include "user_priv.h"
28	sysadm	1.49	#include <ctype.h>
29	sysadm	1.1	#include <dlfcn.h>
30	sysadm	1.4	#include <errno.h>
31	sysadm	1.5	#include <signal.h>
32	sysadm	1.28	#include <stdlib.h>
33	sysadm	1.4	#include <string.h>
34	sysadm	1.1	#include <time.h>
35	sysadm	1.4	#include <unistd.h>
36	sysadm	1.25	#include <sys/types.h>
37	sysadm	1.1
38	sysadm	1.17	int list_section(void *param)
39			{
40	sysadm	1.31	section_list_display(param, 0);
41	sysadm	1.18
42			return REDRAW;
43	sysadm	1.17	}
44
45	sysadm	1.44	typedef union exec_handler_t
46			{
47	sysadm	1.41	void *p;
48			int (*handler)();
49			} exec_handler;
50
51	sysadm	1.16	int exec_mbem(void *param)
52	sysadm	1.1	{
53	sysadm	1.6	void *hdll;
54	sysadm	1.41	exec_handler func;
55	sysadm	1.6	char c, s;
56	sysadm	1.10	char buf[FILE_PATH_LEN];
57
58	sysadm	1.16	strncpy(buf, (const char *)param, sizeof(buf) - 1);
59	sysadm	1.10	buf[sizeof(buf) - 1] = '\0';
60	sysadm	1.6
61			s = strstr(buf, "@mod:");
62			if (s)
63			{
64			c = strstr(s + 5, "#");
65			if (c)
66			{
67			*c = 0;
68			c++;
69			}
70
71			hdll = dlopen(s + 5, RTLD_LAZY);
72
73			if (hdll)
74			{
75			char *error;
76
77	sysadm	1.41	if ((func.p = dlsym(hdll, c ? c : "mod_main")) != NULL)
78			{
79			func.handler();
80			}
81	sysadm	1.6	else if ((error = dlerror()) != NULL)
82			{
83			clearscr();
84			prints("%s\r\n", error);
85			press_any_key();
86			}
87			dlclose(hdll);
88			}
89			else
90			{
91			clearscr();
92	sysadm	1.30	prints("加载库文件 [%s] 失败!!\r\n", s + 5);
93			prints("失败原因:%s\r\n", dlerror());
94	sysadm	1.6	press_any_key();
95			}
96			}
97
98			return REDRAW;
99	sysadm	1.1	}
100
101	sysadm	1.22	int exit_bbs(void *param)
102	sysadm	1.1	{
103	sysadm	1.6	return EXITBBS;
104	sysadm	1.1	}
105
106	sysadm	1.16	int license(void *param)
107	sysadm	1.1	{
108	sysadm	1.24	display_file(DATA_LICENSE, 0);
109	sysadm	1.6
110			return REDRAW;
111	sysadm	1.1	}
112
113	sysadm	1.16	int copyright(void *param)
114	sysadm	1.1	{
115	sysadm	1.24	display_file(DATA_COPYRIGHT, 1);
116	sysadm	1.1
117	sysadm	1.6	return REDRAW;
118	sysadm	1.3	}
119
120	sysadm	1.40	int version(void *param)
121			{
122			display_file(DATA_VERSION, 1);
123
124			return REDRAW;
125			}
126
127	sysadm	1.22	int reload_bbs_conf(void *param)
128	sysadm	1.4	{
129	sysadm	1.12	clearscr();
130
131	sysadm	1.15	if (kill(getppid(), SIGHUP) < 0)
132	sysadm	1.9	{
133	sysadm	1.15	log_error("Send SIGHUP signal failed (%d)\n", errno);
134	sysadm	1.12
135	sysadm	1.30	prints("发送指令失败\r\n");
136	sysadm	1.9	}
137	sysadm	1.12	else
138			{
139	sysadm	1.30	prints("已发送指令\r\n");
140	sysadm	1.12	}
141
142			press_any_key();
143	sysadm	1.4
144	sysadm	1.6	return REDRAW;
145	sysadm	1.4	}
146
147	sysadm	1.22	int shutdown_bbs(void *param)
148	sysadm	1.3	{
149	sysadm	1.48	char buf[2] = "N";
150	sysadm	1.14
151	sysadm	1.48	clearscr();
152			get_data(1, 1, "真的要关闭系统吗[y/N]? ", buf, sizeof(buf), 1);
153
154			if (toupper(buf[0]) == 'Y')
155	sysadm	1.9	{
156	sysadm	1.48	log_common("Notify main process to exit by [%s]\n", BBS_username);
157
158			if (kill(getppid(), SIGTERM) < 0)
159			{
160			log_error("Send SIGTERM signal failed (%d)\n", errno);
161			}
162	sysadm	1.9	}
163	sysadm	1.3
164	sysadm	1.6	return REDRAW;
165	sysadm	1.1	}
166	sysadm	1.20
167	sysadm	1.33	int favor_section_filter(void *param)
168	sysadm	1.20	{
169			MENU_ITEM *p_menu_item = param;
170
171			return (is_favor(&BBS_priv, p_menu_item->priv) && checklevel2(&BBS_priv, p_menu_item->level));
172			}
173	sysadm	1.28
174			static int display_ex_article_key_handler(int p_key, DISPLAY_CTX p_ctx)
175			{
176			switch (*p_key)
177			{
178			case 0: // Set msg
179			snprintf(p_ctx->msg, sizeof(p_ctx->msg),
180	sysadm	1.30	"\| 返回[\033[32m←\033[33m,\033[32mESC\033[33m] \| "
181			"移动[\033[32m↑\033[33m/\033[32m↓\033[33m/\033[32mPgUp\033[33m/\033[32mPgDn\033[33m] \| "
182			"帮助[\033[32mh\033[33m] \|");
183	sysadm	1.28	break;
184			}
185
186			return 0;
187			}
188
189			int view_ex_article(void *param)
190			{
191			ARTICLE_CACHE cache;
192			ARTICLE *p_article;
193			int32_t aid = atoi(param);
194			int ret;
195
196			(void)ret;
197
198			p_article = article_block_find_by_aid(aid);
199			if (p_article == NULL)
200			{
201			log_error("article_block_find_by_aid(%d) error\n", aid);
202			return NOREDRAW;
203			}
204
205			if (article_cache_load(&cache, VAR_ARTICLE_CACHE_DIR, p_article) < 0)
206			{
207			log_error("article_cache_load(aid=%d, cid=%d) error\n", p_article->aid, p_article->cid);
208			return NOREDRAW;
209			}
210
211			if (user_online_update("VIEW_ARTICLE") < 0)
212			{
213			log_error("user_online_update(VIEW_ARTICLE) error\n");
214			}
215
216			ret = display_data(cache.p_data, cache.line_total, cache.line_offsets, 0,
217			display_ex_article_key_handler, DATA_READ_HELP);
218
219			if (article_cache_unload(&cache) < 0)
220			{
221			log_error("article_cache_unload(aid=%d, cid=%d) error\n", p_article->aid, p_article->cid);
222			}
223
224			// Update article_view_log
225			if (article_view_log_set_viewed(p_article->aid, &BBS_article_view_log) < 0)
226			{
227			log_error("article_view_log_set_viewed(aid=%d) error\n", p_article->aid);
228			}
229
230			return REDRAW;
231			}
232	sysadm	1.29
233			int list_ex_section(void *param)
234			{
235			SECTION_LIST *p_section;
236
237	sysadm	1.36	p_section = section_list_find_by_name(param);
238	sysadm	1.29	if (p_section == NULL)
239			{
240			log_error("Section %s not found\n", (const char *)param);
241			return -1;
242			}
243
244			if (section_list_ex_dir_display(p_section) < 0)
245			{
246			log_error("section_list_ex_dir_display(sid=%d) error\n", p_section->sid);
247			}
248
249			return REDRAW;
250			}
251	sysadm	1.32
252	sysadm	1.34	int show_top10_menu(void *param)
253	sysadm	1.32	{
254	sysadm	1.35	static int show_top10 = 0;
255	sysadm	1.34	int ch = 0;
256
257	sysadm	1.35	if (show_top10)
258			{
259			return NOREDRAW;
260			}
261			show_top10 = 1;
262	sysadm	1.38
263	sysadm	1.34	clearscr();
264			show_top("", BBS_name, "");
265			show_bottom("");
266
267			if (display_menu(&top10_menu) == 0)
268			{
269			while (!SYS_server_exit)
270			{
271			iflush();
272			ch = igetch(100);
273	sysadm	1.38
274			if (ch != KEY_NULL && ch != KEY_TIMEOUT)
275			{
276			BBS_last_access_tm = time(NULL);
277			}
278
279	sysadm	1.34	switch (ch)
280			{
281			case KEY_NULL: // broken pipe
282	sysadm	1.38	log_error("KEY_NULL\n");
283	sysadm	1.35	show_top10 = 0;
284	sysadm	1.34	return 0;
285			case KEY_TIMEOUT:
286	sysadm	1.46	if (time(NULL) - BBS_last_access_tm >= BBS_max_user_idle_time)
287	sysadm	1.34	{
288	sysadm	1.38	log_error("User input timeout\n");
289	sysadm	1.35	show_top10 = 0;
290	sysadm	1.34	return 0;
291			}
292			continue;
293			case CR:
294			default:
295			switch (menu_control(&top10_menu, ch))
296			{
297			case EXITMENU:
298			ch = EXITMENU;
299			break;
300			case REDRAW:
301			clearscr();
302			show_bottom("");
303			display_menu(&top10_menu);
304			break;
305			case NOREDRAW:
306			case UNKNOWN_CMD:
307			default:
308			break;
309			}
310			}
311
312			if (ch == EXITMENU)
313			{
314			break;
315			}
316			}
317			}
318	sysadm	1.38
319	sysadm	1.35	show_top10 = 0;
320	sysadm	1.32	return REDRAW;
321			}
322
323			int locate_article(void *param)
324			{
325	sysadm	1.34	char buf[MAX_MENUITEM_NAME_LENGTH];
326	sysadm	1.32	char sname, aid, *saveptr;
327
328	sysadm	1.34	strncpy(buf, param, sizeof(buf) - 1);
329			buf[sizeof(buf) - 1] = '\0';
330
331			sname = strtok_r(buf, "\|", &saveptr);
332			aid = strtok_r(NULL, "\|", &saveptr);
333	sysadm	1.32
334			if (sname == NULL \|\| aid == NULL)
335			{
336	sysadm	1.34	log_error("top10_locate(%s) error: invalid parameter\n", param);
337	sysadm	1.32	return NOREDRAW;
338			}
339
340			section_list_display(sname, atoi(aid));
341
342			return REDRAW;
343			}
344
345			int favor_topic(void *param)
346			{
347	sysadm	1.37	if (article_favor_display(&BBS_article_favor) < 0)
348			{
349			log_error("article_favor_display() error\n");
350			}
351	sysadm	1.32
352			return REDRAW;
353			}
354	sysadm	1.42
355	sysadm	1.43	int list_user(void *param)
356	sysadm	1.42	{
357	sysadm	1.43	if (user_list_display(0) < 0)
358	sysadm	1.42	{
359	sysadm	1.43	log_error("user_list_display(all_user) error\n");
360			}
361
362			return REDRAW;
363			}
364
365			int list_online_user(void *param)
366			{
367			if (user_list_display(1) < 0)
368			{
369			log_error("user_list_display(online_user) error\n");
370	sysadm	1.42	}
371
372			return REDRAW;
373			}
374	sysadm	1.47
375			int edit_intro(void *param)
376			{
377			if (user_intro_edit(BBS_priv.uid) < 0)
378			{
379			log_error("user_intro_edit(%d) error\n", BBS_priv.uid);
380			}
381
382			return REDRAW;
383			}
384	sysadm	1.51
385			int edit_sign(void *param)
386			{
387			if (user_sign_edit(BBS_priv.uid) < 0)
388			{
389			log_error("user_sign_edit(%d) error\n", BBS_priv.uid);
390			}
391
392			return REDRAW;
393			}
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