/[LeafOK_CVS]/lbbs/src/bbs_main.c
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Annotation of /lbbs/src/bbs_main.c

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Revision 1.119 - (hide annotations)
Wed Dec 17 03:47:00 2025 UTC (3 months ago) by sysadm
Branch: MAIN
Changes since 1.118: +2 -0 lines
Content type: text/x-csrc
Refine debug log

1 sysadm 1.97 /* SPDX-License-Identifier: GPL-3.0-or-later */
2     /*
3     * bbs_main
4     * - entry and major procedures of user interactive access
5     *
6 sysadm 1.98 * Copyright (C) 2004-2025 Leaflet <leaflet@leafok.com>
7 sysadm 1.97 */
8 sysadm 1.1
9 sysadm 1.108 #ifdef HAVE_CONFIG_H
10     #include "config.h"
11     #endif
12    
13 sysadm 1.78 #include "article_favor.h"
14 sysadm 1.73 #include "article_view_log.h"
15     #include "bbs.h"
16     #include "bbs_cmd.h"
17 sysadm 1.32 #include "bbs_main.h"
18 sysadm 1.102 #include "bwf.h"
19 sysadm 1.1 #include "common.h"
20 sysadm 1.35 #include "database.h"
21 sysadm 1.73 #include "editor.h"
22     #include "io.h"
23 sysadm 1.32 #include "log.h"
24 sysadm 1.73 #include "login.h"
25     #include "menu.h"
26 sysadm 1.32 #include "screen.h"
27 sysadm 1.55 #include "section_list.h"
28 sysadm 1.96 #include "section_list_display.h"
29 sysadm 1.103 #include "str_process.h"
30 sysadm 1.55 #include "trie_dict.h"
31 sysadm 1.93 #include "user_list.h"
32 sysadm 1.73 #include "user_priv.h"
33 sysadm 1.104 #include <ctype.h>
34 sysadm 1.74 #include <errno.h>
35     #include <signal.h>
36 sysadm 1.73 #include <stdlib.h>
37     #include <string.h>
38     #include <time.h>
39 sysadm 1.32 #include <unistd.h>
40 sysadm 1.16
41 sysadm 1.109 static void child_proc_sig_usr1_handler(int i)
42     {
43     // Restart log
44     if (log_restart() < 0)
45     {
46     log_error("Restart logging failed\n");
47     }
48     }
49    
50 sysadm 1.31 int bbs_info()
51 sysadm 1.5 {
52 sysadm 1.110 prints("\r\n欢迎光临 \033[1;33m%s \033[32m[%s] \033[37m(%s)\033[m\r\n",
53 sysadm 1.72 BBS_name, BBS_server, APP_INFO);
54 sysadm 1.16
55 sysadm 1.43 return iflush();
56     }
57    
58 sysadm 1.65 int bbs_welcome(void)
59 sysadm 1.43 {
60 sysadm 1.94 int u_online = 0;
61     int u_anonymous = 0;
62     int u_total = 0;
63     int u_login_count = 0;
64 sysadm 1.43
65 sysadm 1.94 if (get_user_online_list_count(&u_online, &u_anonymous) < 0)
66 sysadm 1.43 {
67 sysadm 1.94 log_error("get_user_online_list_count() error\n");
68     u_online = 0;
69 sysadm 1.43 }
70 sysadm 1.94 u_online += u_anonymous;
71     u_online++; // current user
72     if (BBS_priv.uid == 0)
73 sysadm 1.43 {
74 sysadm 1.94 u_anonymous++;
75 sysadm 1.43 }
76    
77 sysadm 1.94 if (get_user_list_count(&u_total) < 0)
78 sysadm 1.43 {
79 sysadm 1.94 log_error("get_user_list_count() error\n");
80     u_total = 0;
81 sysadm 1.43 }
82    
83 sysadm 1.95 if (get_user_login_count(&u_login_count) < 0)
84 sysadm 1.43 {
85 sysadm 1.95 log_error("get_user_login_count() error\n");
86     u_login_count = 0;
87 sysadm 1.43 }
88    
89     // Display logo
90 sysadm 1.68 display_file(DATA_WELCOME, 2);
91 sysadm 1.43
92     // Display welcome message
93 sysadm 1.76 prints("\r\033[1;35m欢迎光临\033[33m 【 %s 】 \033[35mBBS\r\n"
94     "\033[32m目前上站人数 [\033[36m%d/%d\033[32m] "
95     "匿名游客[\033[36m%d\033[32m] "
96     "注册用户数[\033[36m%d/%d\033[32m]\r\n"
97 sysadm 1.107 "从 [\033[36m%s\033[32m] 起,累计访问人次: [\033[36m%d\033[32m]\033[m\r\n",
98 sysadm 1.43 BBS_name, u_online, BBS_max_client, u_anonymous, u_total,
99 sysadm 1.93 BBS_max_user_count, BBS_start_dt, u_login_count);
100 sysadm 1.5
101 sysadm 1.64 iflush();
102    
103 sysadm 1.31 return 0;
104 sysadm 1.5 }
105    
106 sysadm 1.65 int bbs_logout(void)
107 sysadm 1.5 {
108 sysadm 1.65 MYSQL *db;
109    
110     db = db_open();
111     if (db == NULL)
112     {
113     return -1;
114     }
115    
116 sysadm 1.80 if (user_online_exp(db) < 0)
117     {
118     return -2;
119     }
120    
121 sysadm 1.65 mysql_close(db);
122    
123 sysadm 1.68 display_file(DATA_GOODBYE, 1);
124 sysadm 1.43
125 sysadm 1.116 log_common("User [%s] (uid=%d) logout, idle for %ld seconds since last input\n",
126     BBS_username, BBS_priv.uid, time(NULL) - BBS_last_access_tm);
127 sysadm 1.7
128 sysadm 1.31 return 0;
129 sysadm 1.7 }
130    
131 sysadm 1.117 int bbs_session_cleanup(void)
132     {
133     MYSQL *db;
134    
135     db = db_open();
136     if (db == NULL)
137     {
138     return -1;
139     }
140    
141     if (user_online_del(db) < 0)
142     {
143     return -2;
144     }
145    
146     mysql_close(db);
147    
148     return 0;
149     }
150    
151 sysadm 1.31 int bbs_center()
152 sysadm 1.7 {
153 sysadm 1.39 int ch;
154 sysadm 1.114 int loop;
155 sysadm 1.31 time_t t_last_action;
156 sysadm 1.16
157 sysadm 1.70 BBS_last_access_tm = t_last_action = time(NULL);
158 sysadm 1.16
159 sysadm 1.31 clearscr();
160 sysadm 1.12
161 sysadm 1.58 show_top("", BBS_name, "");
162 sysadm 1.31 show_active_board();
163     show_bottom("");
164 sysadm 1.75 display_menu(&bbs_menu);
165 sysadm 1.50 iflush();
166 sysadm 1.16
167 sysadm 1.114 for (loop = 1; !SYS_server_exit && loop;)
168 sysadm 1.25 {
169 sysadm 1.44 ch = igetch(100);
170 sysadm 1.16
171 sysadm 1.85 if (ch != KEY_NULL && ch != KEY_TIMEOUT)
172     {
173     BBS_last_access_tm = time(NULL);
174 sysadm 1.101 #ifdef _DEBUG
175     log_error("Debug: BBS_last_access_tm is updated\n");
176     #endif
177 sysadm 1.85 }
178 sysadm 1.82
179 sysadm 1.75 if (bbs_menu.choose_step == 0 && time(NULL) - t_last_action >= 10)
180 sysadm 1.31 {
181 sysadm 1.70 t_last_action = time(NULL);
182 sysadm 1.52
183 sysadm 1.31 show_active_board();
184     show_bottom("");
185 sysadm 1.75 display_menu_cursor(&bbs_menu, 1);
186 sysadm 1.50 iflush();
187 sysadm 1.31 }
188    
189 sysadm 1.71 if (user_online_update("MENU") < 0)
190     {
191     log_error("user_online_update(MENU) error\n");
192     }
193    
194 sysadm 1.31 switch (ch)
195     {
196 sysadm 1.42 case KEY_NULL: // broken pipe
197 sysadm 1.119 #ifdef _DEBUG
198 sysadm 1.82 log_error("KEY_NULL\n");
199 sysadm 1.119 #endif
200 sysadm 1.114 loop = 0;
201     break;
202 sysadm 1.31 case KEY_TIMEOUT:
203 sysadm 1.99 if (time(NULL) - BBS_last_access_tm >= BBS_max_user_idle_time)
204 sysadm 1.31 {
205 sysadm 1.82 log_error("User input timeout\n");
206 sysadm 1.114 loop = 0;
207     break;
208 sysadm 1.31 }
209 sysadm 1.39 continue;
210 sysadm 1.44 case CR:
211 sysadm 1.31 default:
212 sysadm 1.75 switch (menu_control(&bbs_menu, ch))
213 sysadm 1.31 {
214     case EXITBBS:
215 sysadm 1.74 case EXITMENU:
216 sysadm 1.114 loop = 0;
217     break;
218 sysadm 1.31 case REDRAW:
219 sysadm 1.70 t_last_action = time(NULL);
220 sysadm 1.39 clearscr();
221 sysadm 1.58 show_top("", BBS_name, "");
222 sysadm 1.39 show_active_board();
223     show_bottom("");
224 sysadm 1.75 display_menu(&bbs_menu);
225 sysadm 1.31 break;
226     case NOREDRAW:
227     case UNKNOWN_CMD:
228     default:
229     break;
230     }
231 sysadm 1.50 iflush();
232 sysadm 1.31 }
233 sysadm 1.16 }
234 sysadm 1.7
235 sysadm 1.31 return 0;
236 sysadm 1.15 }
237 sysadm 1.32
238 sysadm 1.87 int bbs_charset_select()
239     {
240     char msg[LINE_BUFFER_LEN];
241     int ch;
242    
243 sysadm 1.89 snprintf(msg, sizeof(msg),
244 sysadm 1.105 "\rChoose character set in 5 seconds, (U)UTF-8, (G)GBK [U]: ");
245 sysadm 1.89
246 sysadm 1.88 while (!SYS_server_exit)
247     {
248 sysadm 1.105 ch = press_any_key_ex(msg, 5);
249 sysadm 1.103 switch (toupper(ch))
250 sysadm 1.87 {
251 sysadm 1.89 case KEY_NULL:
252     return -1;
253 sysadm 1.88 case KEY_TIMEOUT:
254     case CR:
255     case 'U':
256 sysadm 1.103 break;
257 sysadm 1.88 case 'G':
258 sysadm 1.92 if (io_conv_init("GBK") < 0)
259 sysadm 1.88 {
260 sysadm 1.92 log_error("io_conv_init(%s) error\n", "GBK");
261 sysadm 1.88 return -1;
262     }
263 sysadm 1.103 break;
264     default:
265     continue;
266     }
267    
268     break;
269     }
270    
271     snprintf(msg, sizeof(msg),
272 sysadm 1.106 "\r请在5秒内选择宽字符显示规则, (V)变宽, (F)定宽? [V]: ");
273 sysadm 1.103
274     while (!SYS_server_exit)
275     {
276 sysadm 1.105 ch = press_any_key_ex(msg, 5);
277 sysadm 1.103 switch (toupper(ch))
278     {
279     case KEY_NULL:
280     return -1;
281     case KEY_TIMEOUT:
282     case CR:
283 sysadm 1.106 case 'V':
284 sysadm 1.105 UTF8_fixed_width = 0;
285     break;
286 sysadm 1.103 case 'F':
287     UTF8_fixed_width = 1;
288     break;
289 sysadm 1.88 default:
290     continue;
291 sysadm 1.87 }
292 sysadm 1.103
293     break;
294 sysadm 1.87 }
295    
296     return 0;
297     }
298    
299 sysadm 1.32 int bbs_main()
300     {
301 sysadm 1.74 struct sigaction act = {0};
302 sysadm 1.86 char msg[LINE_BUFFER_LEN];
303 sysadm 1.74
304     // Set signal handler
305     act.sa_handler = SIG_IGN;
306     if (sigaction(SIGHUP, &act, NULL) == -1)
307     {
308     log_error("set signal action of SIGHUP error: %d\n", errno);
309     goto cleanup;
310     }
311     act.sa_handler = SIG_DFL;
312     if (sigaction(SIGCHLD, &act, NULL) == -1)
313     {
314     log_error("set signal action of SIGCHLD error: %d\n", errno);
315     goto cleanup;
316     }
317 sysadm 1.109 act.sa_handler = child_proc_sig_usr1_handler;
318     if (sigaction(SIGUSR1, &act, NULL) == -1)
319     {
320     log_error("set signal action of SIGUSR1 error: %d\n", errno);
321     goto cleanup;
322     }
323 sysadm 1.74
324 sysadm 1.55 // Set data pools in shared memory readonly
325     if (set_trie_dict_shm_readonly() < 0)
326     {
327     goto cleanup;
328     }
329     if (set_article_block_shm_readonly() < 0)
330     {
331     goto cleanup;
332     }
333 sysadm 1.112 #ifdef HAVE_SYSTEM_V
334 sysadm 1.55 if (set_section_list_shm_readonly() < 0)
335     {
336     goto cleanup;
337     }
338 sysadm 1.93 if (set_user_list_pool_shm_readonly() < 0)
339     {
340     goto cleanup;
341     }
342 sysadm 1.111 #endif
343 sysadm 1.55
344     // Load menu in shared memory
345 sysadm 1.75 if (set_menu_shm_readonly(&bbs_menu) < 0)
346 sysadm 1.55 {
347     goto cleanup;
348     }
349 sysadm 1.32
350 sysadm 1.87 // Set default charset
351 sysadm 1.100 if (io_conv_init(BBS_default_charset) < 0)
352 sysadm 1.87 {
353 sysadm 1.100 log_error("io_conv_init(%s) error\n", BBS_default_charset);
354 sysadm 1.87 goto cleanup;
355     }
356    
357 sysadm 1.32 set_input_echo(0);
358    
359 sysadm 1.87 // Set user charset
360 sysadm 1.110 if (bbs_charset_select() < 0)
361     {
362     goto cleanup;
363     }
364 sysadm 1.87
365 sysadm 1.43 // System info
366     if (bbs_info() < 0)
367     {
368 sysadm 1.55 goto cleanup;
369 sysadm 1.43 }
370    
371 sysadm 1.32 // Welcome
372 sysadm 1.65 if (bbs_welcome() < 0)
373 sysadm 1.43 {
374 sysadm 1.55 goto cleanup;
375 sysadm 1.43 }
376 sysadm 1.32
377 sysadm 1.43 // User login
378 sysadm 1.64 if (SSH_v2)
379     {
380 sysadm 1.86 snprintf(msg, sizeof(msg), "\033[1m%s 欢迎使用ssh方式访问 \033[1;33m按任意键继续...\033[m", BBS_username);
381 sysadm 1.87 press_any_key_ex(msg, 60);
382 sysadm 1.64 }
383 sysadm 1.65 else if (bbs_login() < 0)
384 sysadm 1.43 {
385 sysadm 1.55 goto cleanup;
386 sysadm 1.43 }
387 sysadm 1.116 log_common("User [%s] (uid=%d) login from %s:%d\n",
388     BBS_username, BBS_priv.uid, hostaddr_client, port_client);
389 sysadm 1.64
390 sysadm 1.118 // Check EULA update status
391     if (BBS_update_eula)
392     {
393     user_update_agreement();
394     goto cleanup;
395     }
396    
397 sysadm 1.96 // Load section aid locations
398     if (section_aid_locations_load(BBS_priv.uid) < 0)
399     {
400     log_error("article_view_log_load() error\n");
401     goto cleanup;
402     }
403 sysadm 1.97
404 sysadm 1.67 // Load article view log
405     if (article_view_log_load(BBS_priv.uid, &BBS_article_view_log, 0) < 0)
406     {
407     log_error("article_view_log_load() error\n");
408     goto cleanup;
409     }
410 sysadm 1.65
411 sysadm 1.78 // Load article favorite
412     if (article_favor_load(BBS_priv.uid, &BBS_article_favor, 0) < 0)
413     {
414     log_error("article_favor_load() error\n");
415     goto cleanup;
416     }
417    
418 sysadm 1.69 // Init editor memory pool
419     if (editor_memory_pool_init() < 0)
420     {
421     log_error("editor_memory_pool_init() error\n");
422     goto cleanup;
423     }
424    
425 sysadm 1.32 clearscr();
426    
427     // BBS Top 10
428 sysadm 1.68 display_file(VAR_BBS_TOP, 1);
429 sysadm 1.32
430 sysadm 1.55 // Main
431     bbs_center();
432    
433 sysadm 1.117 // Logout
434     bbs_logout();
435    
436 sysadm 1.96 // Save section aid locations
437     if (section_aid_locations_save(BBS_priv.uid) < 0)
438     {
439     log_error("article_view_log_save() error\n");
440     }
441    
442 sysadm 1.67 // Save incremental article view log
443     if (article_view_log_save_inc(&BBS_article_view_log) < 0)
444     {
445     log_error("article_view_log_save_inc() error\n");
446     }
447    
448 sysadm 1.78 // Save incremental article favorite
449     if (article_favor_save_inc(&BBS_article_favor) < 0)
450     {
451     log_error("article_favor_save_inc() error\n");
452     }
453    
454 sysadm 1.55 cleanup:
455 sysadm 1.117 // Cleanup session
456     bbs_session_cleanup();
457 sysadm 1.115
458 sysadm 1.87 // Cleanup iconv
459     io_conv_cleanup();
460    
461 sysadm 1.69 // Cleanup editor memory pool
462     editor_memory_pool_cleanup();
463 sysadm 1.71
464 sysadm 1.67 // Unload article view log
465     article_view_log_unload(&BBS_article_view_log);
466    
467 sysadm 1.78 // Unload article favor
468     article_favor_unload(&BBS_article_favor);
469    
470 sysadm 1.55 // Detach menu in shared memory
471 sysadm 1.75 detach_menu_shm(&bbs_menu);
472 sysadm 1.79 detach_menu_shm(&top10_menu);
473 sysadm 1.46
474 sysadm 1.55 // Detach data pools shm
475 sysadm 1.93 detach_user_list_pool_shm();
476 sysadm 1.55 detach_section_list_shm();
477     detach_article_block_shm();
478     detach_trie_dict_shm();
479 sysadm 1.35
480 sysadm 1.102 // Cleanup BWF
481 sysadm 1.113 bwf_cleanup();
482 sysadm 1.102
483 sysadm 1.32 return 0;
484     }

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