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 <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 >= 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	1.1	#include <dlfcn.h>
25	sysadm	1.4	#include <errno.h>
26	sysadm	1.5	#include <signal.h>
27	sysadm	1.28	#include <stdlib.h>
28	sysadm	1.4	#include <string.h>
29	sysadm	1.1	#include <time.h>
30	sysadm	1.4	#include <unistd.h>
31	sysadm	1.25	#include <sys/types.h>
32	sysadm	1.1
33	sysadm	1.17	int list_section(void *param)
34			{
35	sysadm	1.31	section_list_display(param, 0);
36	sysadm	1.18
37			return REDRAW;
38	sysadm	1.17	}
39
40	sysadm	1.44	typedef union exec_handler_t
41			{
42	sysadm	1.41	void *p;
43			int (*handler)();
44			} exec_handler;
45
46	sysadm	1.16	int exec_mbem(void *param)
47	sysadm	1.1	{
48	sysadm	1.6	void *hdll;
49	sysadm	1.41	exec_handler func;
50	sysadm	1.6	char c, s;
51	sysadm	1.10	char buf[FILE_PATH_LEN];
52
53	sysadm	1.16	strncpy(buf, (const char *)param, sizeof(buf) - 1);
54	sysadm	1.10	buf[sizeof(buf) - 1] = '\0';
55	sysadm	1.6
56			s = strstr(buf, "@mod:");
57			if (s)
58			{
59			c = strstr(s + 5, "#");
60			if (c)
61			{
62			*c = 0;
63			c++;
64			}
65
66			hdll = dlopen(s + 5, RTLD_LAZY);
67
68			if (hdll)
69			{
70			char *error;
71
72	sysadm	1.41	if ((func.p = dlsym(hdll, c ? c : "mod_main")) != NULL)
73			{
74			func.handler();
75			}
76	sysadm	1.6	else if ((error = dlerror()) != NULL)
77			{
78			clearscr();
79			prints("%s\r\n", error);
80			press_any_key();
81			}
82			dlclose(hdll);
83			}
84			else
85			{
86			clearscr();
87	sysadm	1.30	prints("加载库文件 [%s] 失败!!\r\n", s + 5);
88			prints("失败原因:%s\r\n", dlerror());
89	sysadm	1.6	press_any_key();
90			}
91			}
92
93			return REDRAW;
94	sysadm	1.1	}
95
96	sysadm	1.22	int exit_bbs(void *param)
97	sysadm	1.1	{
98	sysadm	1.6	return EXITBBS;
99	sysadm	1.1	}
100
101	sysadm	1.16	int license(void *param)
102	sysadm	1.1	{
103	sysadm	1.24	display_file(DATA_LICENSE, 0);
104	sysadm	1.6
105			return REDRAW;
106	sysadm	1.1	}
107
108	sysadm	1.16	int copyright(void *param)
109	sysadm	1.1	{
110	sysadm	1.24	display_file(DATA_COPYRIGHT, 1);
111	sysadm	1.1
112	sysadm	1.6	return REDRAW;
113	sysadm	1.3	}
114
115	sysadm	1.40	int version(void *param)
116			{
117			display_file(DATA_VERSION, 1);
118
119			return REDRAW;
120			}
121
122	sysadm	1.22	int reload_bbs_conf(void *param)
123	sysadm	1.4	{
124	sysadm	1.12	clearscr();
125
126	sysadm	1.15	if (kill(getppid(), SIGHUP) < 0)
127	sysadm	1.9	{
128	sysadm	1.15	log_error("Send SIGHUP signal failed (%d)\n", errno);
129	sysadm	1.12
130	sysadm	1.30	prints("发送指令失败\r\n");
131	sysadm	1.9	}
132	sysadm	1.12	else
133			{
134	sysadm	1.30	prints("已发送指令\r\n");
135	sysadm	1.12	}
136
137			press_any_key();
138	sysadm	1.4
139	sysadm	1.6	return REDRAW;
140	sysadm	1.4	}
141
142	sysadm	1.22	int shutdown_bbs(void *param)
143	sysadm	1.3	{
144	sysadm	1.23	log_common("Notify main process to exit\n");
145	sysadm	1.14
146			if (kill(getppid(), SIGTERM) < 0)
147	sysadm	1.9	{
148	sysadm	1.6	log_error("Send SIGTERM signal failed (%d)\n", errno);
149	sysadm	1.9	}
150	sysadm	1.3
151	sysadm	1.6	return REDRAW;
152	sysadm	1.1	}
153	sysadm	1.20
154	sysadm	1.33	int favor_section_filter(void *param)
155	sysadm	1.20	{
156			MENU_ITEM *p_menu_item = param;
157
158			return (is_favor(&BBS_priv, p_menu_item->priv) && checklevel2(&BBS_priv, p_menu_item->level));
159			}
160	sysadm	1.28
161			static int display_ex_article_key_handler(int p_key, DISPLAY_CTX p_ctx)
162			{
163			switch (*p_key)
164			{
165			case 0: // Set msg
166			snprintf(p_ctx->msg, sizeof(p_ctx->msg),
167	sysadm	1.30	"\| 返回[\033[32m←\033[33m,\033[32mESC\033[33m] \| "
168			"移动[\033[32m↑\033[33m/\033[32m↓\033[33m/\033[32mPgUp\033[33m/\033[32mPgDn\033[33m] \| "
169			"帮助[\033[32mh\033[33m] \|");
170	sysadm	1.28	break;
171			}
172
173			return 0;
174			}
175
176			int view_ex_article(void *param)
177			{
178			ARTICLE_CACHE cache;
179			ARTICLE *p_article;
180			int32_t aid = atoi(param);
181			int ret;
182
183			(void)ret;
184
185			p_article = article_block_find_by_aid(aid);
186			if (p_article == NULL)
187			{
188			log_error("article_block_find_by_aid(%d) error\n", aid);
189			return NOREDRAW;
190			}
191
192			if (article_cache_load(&cache, VAR_ARTICLE_CACHE_DIR, p_article) < 0)
193			{
194			log_error("article_cache_load(aid=%d, cid=%d) error\n", p_article->aid, p_article->cid);
195			return NOREDRAW;
196			}
197
198			if (user_online_update("VIEW_ARTICLE") < 0)
199			{
200			log_error("user_online_update(VIEW_ARTICLE) error\n");
201			}
202
203			ret = display_data(cache.p_data, cache.line_total, cache.line_offsets, 0,
204			display_ex_article_key_handler, DATA_READ_HELP);
205
206			if (article_cache_unload(&cache) < 0)
207			{
208			log_error("article_cache_unload(aid=%d, cid=%d) error\n", p_article->aid, p_article->cid);
209			}
210
211			// Update article_view_log
212			if (article_view_log_set_viewed(p_article->aid, &BBS_article_view_log) < 0)
213			{
214			log_error("article_view_log_set_viewed(aid=%d) error\n", p_article->aid);
215			}
216
217			return REDRAW;
218			}
219	sysadm	1.29
220			int list_ex_section(void *param)
221			{
222			SECTION_LIST *p_section;
223
224	sysadm	1.36	p_section = section_list_find_by_name(param);
225	sysadm	1.29	if (p_section == NULL)
226			{
227			log_error("Section %s not found\n", (const char *)param);
228			return -1;
229			}
230
231			if (section_list_ex_dir_display(p_section) < 0)
232			{
233			log_error("section_list_ex_dir_display(sid=%d) error\n", p_section->sid);
234			}
235
236			return REDRAW;
237			}
238	sysadm	1.32
239	sysadm	1.34	int show_top10_menu(void *param)
240	sysadm	1.32	{
241	sysadm	1.35	static int show_top10 = 0;
242	sysadm	1.34	int ch = 0;
243
244	sysadm	1.35	if (show_top10)
245			{
246			return NOREDRAW;
247			}
248			show_top10 = 1;
249	sysadm	1.38
250	sysadm	1.34	clearscr();
251			show_top("", BBS_name, "");
252			show_bottom("");
253
254			if (display_menu(&top10_menu) == 0)
255			{
256			while (!SYS_server_exit)
257			{
258			iflush();
259			ch = igetch(100);
260	sysadm	1.38
261			if (ch != KEY_NULL && ch != KEY_TIMEOUT)
262			{
263			BBS_last_access_tm = time(NULL);
264			}
265
266	sysadm	1.34	switch (ch)
267			{
268			case KEY_NULL: // broken pipe
269	sysadm	1.38	log_error("KEY_NULL\n");
270	sysadm	1.35	show_top10 = 0;
271	sysadm	1.34	return 0;
272			case KEY_TIMEOUT:
273	sysadm	1.46	if (time(NULL) - BBS_last_access_tm >= BBS_max_user_idle_time)
274	sysadm	1.34	{
275	sysadm	1.38	log_error("User input timeout\n");
276	sysadm	1.35	show_top10 = 0;
277	sysadm	1.34	return 0;
278			}
279			continue;
280			case CR:
281			default:
282			switch (menu_control(&top10_menu, ch))
283			{
284			case EXITMENU:
285			ch = EXITMENU;
286			break;
287			case REDRAW:
288			clearscr();
289			show_bottom("");
290			display_menu(&top10_menu);
291			break;
292			case NOREDRAW:
293			case UNKNOWN_CMD:
294			default:
295			break;
296			}
297			}
298
299			if (ch == EXITMENU)
300			{
301			break;
302			}
303			}
304			}
305	sysadm	1.38
306	sysadm	1.35	show_top10 = 0;
307	sysadm	1.32	return REDRAW;
308			}
309
310			int locate_article(void *param)
311			{
312	sysadm	1.34	char buf[MAX_MENUITEM_NAME_LENGTH];
313	sysadm	1.32	char sname, aid, *saveptr;
314
315	sysadm	1.34	strncpy(buf, param, sizeof(buf) - 1);
316			buf[sizeof(buf) - 1] = '\0';
317
318			sname = strtok_r(buf, "\|", &saveptr);
319			aid = strtok_r(NULL, "\|", &saveptr);
320	sysadm	1.32
321			if (sname == NULL \|\| aid == NULL)
322			{
323	sysadm	1.34	log_error("top10_locate(%s) error: invalid parameter\n", param);
324	sysadm	1.32	return NOREDRAW;
325			}
326
327			section_list_display(sname, atoi(aid));
328
329			return REDRAW;
330			}
331
332			int favor_topic(void *param)
333			{
334	sysadm	1.37	if (article_favor_display(&BBS_article_favor) < 0)
335			{
336			log_error("article_favor_display() error\n");
337			}
338	sysadm	1.32
339			return REDRAW;
340			}
341	sysadm	1.42
342	sysadm	1.43	int list_user(void *param)
343	sysadm	1.42	{
344	sysadm	1.43	if (user_list_display(0) < 0)
345	sysadm	1.42	{
346	sysadm	1.43	log_error("user_list_display(all_user) error\n");
347			}
348
349			return REDRAW;
350			}
351
352			int list_online_user(void *param)
353			{
354			if (user_list_display(1) < 0)
355			{
356			log_error("user_list_display(online_user) error\n");
357	sysadm	1.42	}
358
359			return REDRAW;
360			}
361	sysadm	1.47
362			int edit_intro(void *param)
363			{
364			if (user_intro_edit(BBS_priv.uid) < 0)
365			{
366			log_error("user_intro_edit(%d) error\n", BBS_priv.uid);
367			}
368
369			return REDRAW;
370			}
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