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

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Revision 1.116 - (hide annotations)
Sat Nov 29 01:55:00 2025 UTC (3 months, 2 weeks ago) by sysadm
Branch: MAIN
Changes since 1.115: +4 -2 lines
Content type: text/x-csrc
Remove duplicate 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 1.43 if (user_online_del(db) < 0)
122     {
123 sysadm 1.80 return -3;
124 sysadm 1.43 }
125    
126 sysadm 1.65 mysql_close(db);
127    
128 sysadm 1.68 display_file(DATA_GOODBYE, 1);
129 sysadm 1.43
130 sysadm 1.116 log_common("User [%s] (uid=%d) logout, idle for %ld seconds since last input\n",
131     BBS_username, BBS_priv.uid, time(NULL) - BBS_last_access_tm);
132 sysadm 1.7
133 sysadm 1.31 return 0;
134 sysadm 1.7 }
135    
136 sysadm 1.31 int bbs_center()
137 sysadm 1.7 {
138 sysadm 1.39 int ch;
139 sysadm 1.114 int loop;
140 sysadm 1.31 time_t t_last_action;
141 sysadm 1.16
142 sysadm 1.70 BBS_last_access_tm = t_last_action = time(NULL);
143 sysadm 1.16
144 sysadm 1.31 clearscr();
145 sysadm 1.12
146 sysadm 1.58 show_top("", BBS_name, "");
147 sysadm 1.31 show_active_board();
148     show_bottom("");
149 sysadm 1.75 display_menu(&bbs_menu);
150 sysadm 1.50 iflush();
151 sysadm 1.16
152 sysadm 1.114 for (loop = 1; !SYS_server_exit && loop;)
153 sysadm 1.25 {
154 sysadm 1.44 ch = igetch(100);
155 sysadm 1.16
156 sysadm 1.85 if (ch != KEY_NULL && ch != KEY_TIMEOUT)
157     {
158     BBS_last_access_tm = time(NULL);
159 sysadm 1.101 #ifdef _DEBUG
160     log_error("Debug: BBS_last_access_tm is updated\n");
161     #endif
162 sysadm 1.85 }
163 sysadm 1.82
164 sysadm 1.75 if (bbs_menu.choose_step == 0 && time(NULL) - t_last_action >= 10)
165 sysadm 1.31 {
166 sysadm 1.70 t_last_action = time(NULL);
167 sysadm 1.52
168 sysadm 1.31 show_active_board();
169     show_bottom("");
170 sysadm 1.75 display_menu_cursor(&bbs_menu, 1);
171 sysadm 1.50 iflush();
172 sysadm 1.31 }
173    
174 sysadm 1.71 if (user_online_update("MENU") < 0)
175     {
176     log_error("user_online_update(MENU) error\n");
177     }
178    
179 sysadm 1.31 switch (ch)
180     {
181 sysadm 1.42 case KEY_NULL: // broken pipe
182 sysadm 1.82 log_error("KEY_NULL\n");
183 sysadm 1.114 loop = 0;
184     break;
185 sysadm 1.31 case KEY_TIMEOUT:
186 sysadm 1.99 if (time(NULL) - BBS_last_access_tm >= BBS_max_user_idle_time)
187 sysadm 1.31 {
188 sysadm 1.82 log_error("User input timeout\n");
189 sysadm 1.114 loop = 0;
190     break;
191 sysadm 1.31 }
192 sysadm 1.39 continue;
193 sysadm 1.44 case CR:
194 sysadm 1.31 default:
195 sysadm 1.75 switch (menu_control(&bbs_menu, ch))
196 sysadm 1.31 {
197     case EXITBBS:
198 sysadm 1.74 case EXITMENU:
199 sysadm 1.114 loop = 0;
200     break;
201 sysadm 1.31 case REDRAW:
202 sysadm 1.70 t_last_action = time(NULL);
203 sysadm 1.39 clearscr();
204 sysadm 1.58 show_top("", BBS_name, "");
205 sysadm 1.39 show_active_board();
206     show_bottom("");
207 sysadm 1.75 display_menu(&bbs_menu);
208 sysadm 1.31 break;
209     case NOREDRAW:
210     case UNKNOWN_CMD:
211     default:
212     break;
213     }
214 sysadm 1.50 iflush();
215 sysadm 1.31 }
216 sysadm 1.16 }
217 sysadm 1.7
218 sysadm 1.31 return 0;
219 sysadm 1.15 }
220 sysadm 1.32
221 sysadm 1.87 int bbs_charset_select()
222     {
223     char msg[LINE_BUFFER_LEN];
224     int ch;
225    
226 sysadm 1.89 snprintf(msg, sizeof(msg),
227 sysadm 1.105 "\rChoose character set in 5 seconds, (U)UTF-8, (G)GBK [U]: ");
228 sysadm 1.89
229 sysadm 1.88 while (!SYS_server_exit)
230     {
231 sysadm 1.105 ch = press_any_key_ex(msg, 5);
232 sysadm 1.103 switch (toupper(ch))
233 sysadm 1.87 {
234 sysadm 1.89 case KEY_NULL:
235     return -1;
236 sysadm 1.88 case KEY_TIMEOUT:
237     case CR:
238     case 'U':
239 sysadm 1.103 break;
240 sysadm 1.88 case 'G':
241 sysadm 1.92 if (io_conv_init("GBK") < 0)
242 sysadm 1.88 {
243 sysadm 1.92 log_error("io_conv_init(%s) error\n", "GBK");
244 sysadm 1.88 return -1;
245     }
246 sysadm 1.103 break;
247     default:
248     continue;
249     }
250    
251     break;
252     }
253    
254     snprintf(msg, sizeof(msg),
255 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]: ");
256 sysadm 1.103
257     while (!SYS_server_exit)
258     {
259 sysadm 1.105 ch = press_any_key_ex(msg, 5);
260 sysadm 1.103 switch (toupper(ch))
261     {
262     case KEY_NULL:
263     return -1;
264     case KEY_TIMEOUT:
265     case CR:
266 sysadm 1.106 case 'V':
267 sysadm 1.105 UTF8_fixed_width = 0;
268     break;
269 sysadm 1.103 case 'F':
270     UTF8_fixed_width = 1;
271     break;
272 sysadm 1.88 default:
273     continue;
274 sysadm 1.87 }
275 sysadm 1.103
276     break;
277 sysadm 1.87 }
278    
279     return 0;
280     }
281    
282 sysadm 1.32 int bbs_main()
283     {
284 sysadm 1.74 struct sigaction act = {0};
285 sysadm 1.86 char msg[LINE_BUFFER_LEN];
286 sysadm 1.74
287     // Set signal handler
288     act.sa_handler = SIG_IGN;
289     if (sigaction(SIGHUP, &act, NULL) == -1)
290     {
291     log_error("set signal action of SIGHUP error: %d\n", errno);
292     goto cleanup;
293     }
294     act.sa_handler = SIG_DFL;
295     if (sigaction(SIGCHLD, &act, NULL) == -1)
296     {
297     log_error("set signal action of SIGCHLD error: %d\n", errno);
298     goto cleanup;
299     }
300 sysadm 1.109 act.sa_handler = child_proc_sig_usr1_handler;
301     if (sigaction(SIGUSR1, &act, NULL) == -1)
302     {
303     log_error("set signal action of SIGUSR1 error: %d\n", errno);
304     goto cleanup;
305     }
306 sysadm 1.74
307 sysadm 1.55 // Set data pools in shared memory readonly
308     if (set_trie_dict_shm_readonly() < 0)
309     {
310     goto cleanup;
311     }
312     if (set_article_block_shm_readonly() < 0)
313     {
314     goto cleanup;
315     }
316 sysadm 1.112 #ifdef HAVE_SYSTEM_V
317 sysadm 1.55 if (set_section_list_shm_readonly() < 0)
318     {
319     goto cleanup;
320     }
321 sysadm 1.93 if (set_user_list_pool_shm_readonly() < 0)
322     {
323     goto cleanup;
324     }
325 sysadm 1.111 #endif
326 sysadm 1.55
327     // Load menu in shared memory
328 sysadm 1.75 if (set_menu_shm_readonly(&bbs_menu) < 0)
329 sysadm 1.55 {
330     goto cleanup;
331     }
332 sysadm 1.32
333 sysadm 1.87 // Set default charset
334 sysadm 1.100 if (io_conv_init(BBS_default_charset) < 0)
335 sysadm 1.87 {
336 sysadm 1.100 log_error("io_conv_init(%s) error\n", BBS_default_charset);
337 sysadm 1.87 goto cleanup;
338     }
339    
340 sysadm 1.32 set_input_echo(0);
341    
342 sysadm 1.87 // Set user charset
343 sysadm 1.110 if (bbs_charset_select() < 0)
344     {
345     goto cleanup;
346     }
347 sysadm 1.87
348 sysadm 1.43 // System info
349     if (bbs_info() < 0)
350     {
351 sysadm 1.55 goto cleanup;
352 sysadm 1.43 }
353    
354 sysadm 1.32 // Welcome
355 sysadm 1.65 if (bbs_welcome() < 0)
356 sysadm 1.43 {
357 sysadm 1.55 goto cleanup;
358 sysadm 1.43 }
359 sysadm 1.32
360 sysadm 1.43 // User login
361 sysadm 1.64 if (SSH_v2)
362     {
363 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);
364 sysadm 1.87 press_any_key_ex(msg, 60);
365 sysadm 1.64 }
366 sysadm 1.65 else if (bbs_login() < 0)
367 sysadm 1.43 {
368 sysadm 1.55 goto cleanup;
369 sysadm 1.43 }
370 sysadm 1.116 log_common("User [%s] (uid=%d) login from %s:%d\n",
371     BBS_username, BBS_priv.uid, hostaddr_client, port_client);
372 sysadm 1.64
373 sysadm 1.96 // Load section aid locations
374     if (section_aid_locations_load(BBS_priv.uid) < 0)
375     {
376     log_error("article_view_log_load() error\n");
377     goto cleanup;
378     }
379 sysadm 1.97
380 sysadm 1.67 // Load article view log
381     if (article_view_log_load(BBS_priv.uid, &BBS_article_view_log, 0) < 0)
382     {
383     log_error("article_view_log_load() error\n");
384     goto cleanup;
385     }
386 sysadm 1.65
387 sysadm 1.78 // Load article favorite
388     if (article_favor_load(BBS_priv.uid, &BBS_article_favor, 0) < 0)
389     {
390     log_error("article_favor_load() error\n");
391     goto cleanup;
392     }
393    
394 sysadm 1.69 // Init editor memory pool
395     if (editor_memory_pool_init() < 0)
396     {
397     log_error("editor_memory_pool_init() error\n");
398     goto cleanup;
399     }
400    
401 sysadm 1.32 clearscr();
402    
403     // BBS Top 10
404 sysadm 1.68 display_file(VAR_BBS_TOP, 1);
405 sysadm 1.32
406 sysadm 1.55 // Main
407     bbs_center();
408    
409 sysadm 1.96 // Save section aid locations
410     if (section_aid_locations_save(BBS_priv.uid) < 0)
411     {
412     log_error("article_view_log_save() error\n");
413     }
414    
415 sysadm 1.67 // Save incremental article view log
416     if (article_view_log_save_inc(&BBS_article_view_log) < 0)
417     {
418     log_error("article_view_log_save_inc() error\n");
419     }
420    
421 sysadm 1.78 // Save incremental article favorite
422     if (article_favor_save_inc(&BBS_article_favor) < 0)
423     {
424     log_error("article_favor_save_inc() error\n");
425     }
426    
427 sysadm 1.55 cleanup:
428 sysadm 1.115 // Logout
429     bbs_logout();
430    
431 sysadm 1.87 // Cleanup iconv
432     io_conv_cleanup();
433    
434 sysadm 1.69 // Cleanup editor memory pool
435     editor_memory_pool_cleanup();
436 sysadm 1.71
437 sysadm 1.67 // Unload article view log
438     article_view_log_unload(&BBS_article_view_log);
439    
440 sysadm 1.78 // Unload article favor
441     article_favor_unload(&BBS_article_favor);
442    
443 sysadm 1.55 // Detach menu in shared memory
444 sysadm 1.75 detach_menu_shm(&bbs_menu);
445 sysadm 1.79 detach_menu_shm(&top10_menu);
446 sysadm 1.46
447 sysadm 1.55 // Detach data pools shm
448 sysadm 1.93 detach_user_list_pool_shm();
449 sysadm 1.55 detach_section_list_shm();
450     detach_article_block_shm();
451     detach_trie_dict_shm();
452 sysadm 1.35
453 sysadm 1.102 // Cleanup BWF
454 sysadm 1.113 bwf_cleanup();
455 sysadm 1.102
456 sysadm 1.32 return 0;
457     }

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