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>
 */

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