| 1 |
/* |
| 2 |
* Copyright (c) 2021 joshua stein <jcs@jcs.org> |
| 3 |
* |
| 4 |
* Permission to use, copy, modify, and distribute this software for any |
| 5 |
* purpose with or without fee is hereby granted, provided that the above |
| 6 |
* copyright notice and this permission notice appear in all copies. |
| 7 |
* |
| 8 |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 9 |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 10 |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 11 |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 12 |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 13 |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 14 |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 15 |
*/ |
| 16 |
|
| 17 |
#include <stdarg.h> |
| 18 |
#include <stdio.h> |
| 19 |
#include <stdlib.h> |
| 20 |
#include <string.h> |
| 21 |
|
| 22 |
#include "ansi.h" |
| 23 |
#include "board.h" |
| 24 |
#include "chat.h" |
| 25 |
#include "folder.h" |
| 26 |
#include "logger.h" |
| 27 |
#include "mail.h" |
| 28 |
#include "main_menu.h" |
| 29 |
#include "subtext.h" |
| 30 |
#include "session.h" |
| 31 |
#include "settings.h" |
| 32 |
#include "signup.h" |
| 33 |
#include "sysop.h" |
| 34 |
#include "user.h" |
| 35 |
#include "user_settings.h" |
| 36 |
#include "uthread.h" |
| 37 |
#include "util.h" |
| 38 |
|
| 39 |
#include "console.h" |
| 40 |
|
| 41 |
#define OBUF_CANARY 0xaaaaaaaa |
| 42 |
#define IBUF_CANARY 0xe38e38e3 |
| 43 |
#define OBUFLEN_CANARY 0x1c71c71c |
| 44 |
#define IBUFLEN_CANARY 0x55555555 |
| 45 |
|
| 46 |
struct session *sessions[MAX_SESSIONS] = { 0 }; |
| 47 |
short nsessions = 0; |
| 48 |
|
| 49 |
struct session_tally session_today_tally = { 0 }; |
| 50 |
static char session_log_tbuf[256]; |
| 51 |
static const char invalid_option_help[] = |
| 52 |
"Invalid option (press {{B}}?{{/B}} for help)\r\n"; |
| 53 |
|
| 54 |
/* must match session_area order */ |
| 55 |
static const char area_labels[][12] = { |
| 56 |
"Main Menu", |
| 57 |
"MOTD", |
| 58 |
"Boards", |
| 59 |
"FTN Boards", |
| 60 |
"Chat", |
| 61 |
"Mail", |
| 62 |
"Files", |
| 63 |
"Who", |
| 64 |
"Recents", |
| 65 |
"Settings", |
| 66 |
"Signup" |
| 67 |
}; |
| 68 |
|
| 69 |
void session_run(struct uthread *uthread, void *arg); |
| 70 |
void session_print_menu(struct session *session, bool short_menu); |
| 71 |
short session_login(struct session *s); |
| 72 |
size_t session_log(struct session *session, const char *str); |
| 73 |
size_t session_vprintf(struct session *session, const char *format, |
| 74 |
va_list ap); |
| 75 |
size_t session_expand_var(struct session *session, char *ivar, char **ret, |
| 76 |
bool *end_expansion); |
| 77 |
struct session * session_first_waiting_for_sysop(void); |
| 78 |
void session_page_sysop(struct session *s); |
| 79 |
void session_answer_page(struct session *s); |
| 80 |
void sysop_edit_settings(struct session *s); |
| 81 |
bool session_idled_out(struct session *session); |
| 82 |
|
| 83 |
struct session * |
| 84 |
session_create(char *node, char *via, struct node_funcs *node_funcs) |
| 85 |
{ |
| 86 |
struct session *session; |
| 87 |
size_t n; |
| 88 |
|
| 89 |
/* reserve 1 session for the console */ |
| 90 |
if (nsessions >= MAX_SESSIONS - 1) { |
| 91 |
if (strcmp(node, "console") != 0) |
| 92 |
return NULL; |
| 93 |
|
| 94 |
/* but only 1 */ |
| 95 |
if (nsessions == MAX_SESSIONS) |
| 96 |
return NULL; |
| 97 |
} |
| 98 |
|
| 99 |
session = xmalloczero(sizeof(struct session)); |
| 100 |
if (session == NULL) |
| 101 |
return NULL; |
| 102 |
|
| 103 |
session->node_funcs = node_funcs; |
| 104 |
strlcpy(session->node, node, sizeof(session->node)); |
| 105 |
strlcpy(session->log.node, node, sizeof(session->log.node)); |
| 106 |
strlcpy(session->via, via, sizeof(session->via)); |
| 107 |
strlcpy(session->location, "Unknown", sizeof(session->location)); |
| 108 |
strlcpy(session->log.location, session->location, |
| 109 |
sizeof(session->log.location)); |
| 110 |
session->last_input_at = session->established_at = Time; |
| 111 |
|
| 112 |
session->obuf_canary = OBUF_CANARY; |
| 113 |
session->ibuf_canary = IBUF_CANARY; |
| 114 |
session->obuflen_canary = OBUFLEN_CANARY; |
| 115 |
session->ibuflen_canary = IBUFLEN_CANARY; |
| 116 |
|
| 117 |
for (n = 0; n < MAX_SESSIONS; n++) { |
| 118 |
if (sessions[n] != NULL) |
| 119 |
continue; |
| 120 |
|
| 121 |
session->uthread = uthread_add(session_run, session); |
| 122 |
if (!session->uthread) { |
| 123 |
xfree(&session); |
| 124 |
return NULL; |
| 125 |
} |
| 126 |
|
| 127 |
sessions[n] = session; |
| 128 |
nsessions++; |
| 129 |
return session; |
| 130 |
} |
| 131 |
|
| 132 |
/* no room, but how did we get here? */ |
| 133 |
xfree(&session); |
| 134 |
return NULL; |
| 135 |
} |
| 136 |
|
| 137 |
void |
| 138 |
session_run(struct uthread *uthread, void *arg) |
| 139 |
{ |
| 140 |
struct session *s = (struct session *)arg; |
| 141 |
struct session *waiting; |
| 142 |
char date[9]; |
| 143 |
struct tm *date_tm; |
| 144 |
unsigned short c, last_c = 0; |
| 145 |
bool done = false; |
| 146 |
short auth, i, action, sc; |
| 147 |
|
| 148 |
/* until we negotiate otherwise */ |
| 149 |
s->terminal_columns = DEFAULT_TERMINAL_COLUMNS; |
| 150 |
s->terminal_lines = DEFAULT_TERMINAL_LINES; |
| 151 |
s->area = SESSION_AREA_MAIN_MENU; |
| 152 |
|
| 153 |
if (main_menu_options == NULL) |
| 154 |
panic("No main menu!"); |
| 155 |
|
| 156 |
if (s->node_funcs->setup) { |
| 157 |
s->node_funcs->setup(s); |
| 158 |
|
| 159 |
if (s->ending) { |
| 160 |
session_close(s); |
| 161 |
return; |
| 162 |
} |
| 163 |
} |
| 164 |
|
| 165 |
session_output_view_or_printf(s, DB_VIEW_ISSUE, |
| 166 |
"\r\nWelcome to %s (%s)\r\n\r\n", db->config.name, s->node); |
| 167 |
session_flush(s); |
| 168 |
uthread_yield(); |
| 169 |
|
| 170 |
auth = session_login(s); |
| 171 |
if (auth == AUTH_USER_FAILED) { |
| 172 |
session_close(s); |
| 173 |
return; |
| 174 |
} |
| 175 |
|
| 176 |
s->logged_in = true; |
| 177 |
logger_update_title(); |
| 178 |
|
| 179 |
/* update session log */ |
| 180 |
if (s->user) { |
| 181 |
s->user->last_seen_at = Time; |
| 182 |
user_save(s->user); |
| 183 |
|
| 184 |
strlcpy(s->log.username, s->user->username, |
| 185 |
sizeof(s->log.username)); |
| 186 |
strlcpy(s->chat_username, s->user->username, |
| 187 |
sizeof(s->chat_username)); |
| 188 |
} else { |
| 189 |
strlcpy(s->log.username, GUEST_USERNAME, sizeof(s->log.username)); |
| 190 |
/* guest + ttyt0 -> guest[t0] */ |
| 191 |
snprintf(s->chat_username, sizeof(s->chat_username), "%s[%s]", |
| 192 |
GUEST_USERNAME, s->node + 3); |
| 193 |
} |
| 194 |
|
| 195 |
strlcpy(s->log.via, s->via, sizeof(s->log.via)); |
| 196 |
s->log.tspeed = s->tspeed; |
| 197 |
s->log.logged_on_at = Time; |
| 198 |
s->log.id = bile_next_id(db->sessions_bile, SL_LOG_RTYPE); |
| 199 |
|
| 200 |
if (bile_write(db->sessions_bile, SL_LOG_RTYPE, s->log.id, &s->log, |
| 201 |
sizeof(s->log)) != sizeof(s->log)) |
| 202 |
panic("bile_write of session log failed: %d", |
| 203 |
bile_error(db->sessions_bile)); |
| 204 |
|
| 205 |
/* update call tally for today */ |
| 206 |
date_tm = localtime((time_t *)&Time); |
| 207 |
strftime(date, sizeof(date), "%Y%m%d", date_tm); |
| 208 |
if (strcmp(date, session_today_tally.date) != 0) { |
| 209 |
strlcpy(session_today_tally.date, date, |
| 210 |
sizeof(session_today_tally.date)); |
| 211 |
session_today_tally.calls = 0; |
| 212 |
} |
| 213 |
session_today_tally.calls++; |
| 214 |
|
| 215 |
if (s->terminal_type[0] == '\0') { |
| 216 |
/* per-node setup didn't fill this in, ask the user */ |
| 217 |
session_output(s, "\r\n", 2); |
| 218 |
user_settings_renegotiate(s); |
| 219 |
session_output(s, "\r\n", 2); |
| 220 |
session_flush(s); |
| 221 |
} |
| 222 |
|
| 223 |
session_printf(s, "\r\n" |
| 224 |
"Welcome, {{B}}%s{{/B}}, you are the %ld%s caller today.\r\n", |
| 225 |
s->user ? s->user->username : GUEST_USERNAME, |
| 226 |
session_today_tally.calls, ordinal(session_today_tally.calls)); |
| 227 |
session_flush(s); |
| 228 |
uthread_yield(); |
| 229 |
|
| 230 |
if (s->user && s->user->is_sysop && |
| 231 |
(waiting = session_first_waiting_for_sysop())) { |
| 232 |
session_printf(s, "\r\n{{B}}%s{{/B}} paged sysop, answer? [Y/n] ", |
| 233 |
waiting->user ? waiting->user->username : GUEST_USERNAME); |
| 234 |
session_flush(s); |
| 235 |
|
| 236 |
sc = session_input_char(s); |
| 237 |
if (sc == 'N' || sc == 'n') { |
| 238 |
session_printf(s, "%c\r\n", sc == 'N' ? 'N' : 'n'); |
| 239 |
session_flush(s); |
| 240 |
} else { |
| 241 |
session_output(s, "\r\n", 2); |
| 242 |
session_flush(s); |
| 243 |
session_answer_page(s); |
| 244 |
} |
| 245 |
} |
| 246 |
|
| 247 |
s->area = SESSION_AREA_MOTD; |
| 248 |
session_print_motd(s, false); |
| 249 |
|
| 250 |
main_menu: |
| 251 |
s->area = SESSION_AREA_MAIN_MENU; |
| 252 |
session_output(s, "\r\n", 2); |
| 253 |
session_print_menu(s, false); |
| 254 |
session_flush(s); |
| 255 |
|
| 256 |
while (!done && !s->ending) { |
| 257 |
s->area = SESSION_AREA_MAIN_MENU; |
| 258 |
session_printf(s, "{{B}}Main Menu>{{/B}} "); |
| 259 |
session_flush(s); |
| 260 |
|
| 261 |
get_another_char: |
| 262 |
action = ACTION_NONE; |
| 263 |
|
| 264 |
if (auth == AUTH_USER_SIGNUP) { |
| 265 |
action = ACTION_SIGNUP; |
| 266 |
auth = AUTH_USER_GUEST; |
| 267 |
} else |
| 268 |
c = session_input_char(s); |
| 269 |
|
| 270 |
if (s->ending) |
| 271 |
break; |
| 272 |
if (c == '\r' || c == 0 || c > 255) |
| 273 |
goto get_another_char; |
| 274 |
|
| 275 |
session_printf(s, "%c\r\n", c); |
| 276 |
session_flush(s); |
| 277 |
|
| 278 |
if (action == ACTION_NONE) { |
| 279 |
/* check each menu option's all_keys array for matching key */ |
| 280 |
for (i = 0; ; i++) { |
| 281 |
struct main_menu_option *option = &main_menu_options[i]; |
| 282 |
short j; |
| 283 |
|
| 284 |
if (option->action == ACTION_NONE) |
| 285 |
break; |
| 286 |
|
| 287 |
for (j = 0; option->all_keys[j] != '\0'; j++) { |
| 288 |
if (option->all_keys[j] == c) { |
| 289 |
action = option->action; |
| 290 |
break; |
| 291 |
} |
| 292 |
} |
| 293 |
|
| 294 |
if (action != ACTION_NONE) |
| 295 |
break; |
| 296 |
} |
| 297 |
} |
| 298 |
|
| 299 |
/* change actions for conditionals */ |
| 300 |
if (action == ACTION_SETTINGS_OR_SIGNUP) { |
| 301 |
if (s->user) |
| 302 |
action = ACTION_SETTINGS; |
| 303 |
else |
| 304 |
action = ACTION_SIGNUP; |
| 305 |
} else if (action == ACTION_PAGE_SEND_OR_ANSWER) { |
| 306 |
if (s->user && s->user->is_sysop) |
| 307 |
action = ACTION_PAGE_ANSWER; |
| 308 |
else |
| 309 |
action = ACTION_PAGE_SEND; |
| 310 |
} |
| 311 |
|
| 312 |
switch (action) { |
| 313 |
case ACTION_BOARD_SHOW_FIRST: |
| 314 |
s->area = SESSION_AREA_BOARDS; |
| 315 |
board_show(s, 1, NULL); |
| 316 |
break; |
| 317 |
case ACTION_CHAT: |
| 318 |
s->area = SESSION_AREA_CHAT; |
| 319 |
chat_start(s, NULL); |
| 320 |
break; |
| 321 |
case ACTION_FILES_MENU: |
| 322 |
s->area = SESSION_AREA_FILES; |
| 323 |
folder_list(s); |
| 324 |
break; |
| 325 |
case ACTION_GOODBYE: |
| 326 |
session_output_view_or_printf(s, DB_VIEW_SIGNOFF, |
| 327 |
"Goodbye!\r\n"); |
| 328 |
session_flush(s); |
| 329 |
done = true; |
| 330 |
break; |
| 331 |
case ACTION_RECENT_LOGINS: |
| 332 |
s->area = SESSION_AREA_RECENT_LOGINS; |
| 333 |
session_recents(s); |
| 334 |
break; |
| 335 |
case ACTION_MAIL_MENU: |
| 336 |
s->area = SESSION_AREA_MAIL; |
| 337 |
mail_menu(s); |
| 338 |
break; |
| 339 |
case ACTION_MAIL_COMPOSE: |
| 340 |
s->area = SESSION_AREA_MAIL; |
| 341 |
mail_compose(s, NULL, NULL, NULL, NULL); |
| 342 |
break; |
| 343 |
case ACTION_MOTD: |
| 344 |
s->area = SESSION_AREA_MOTD; |
| 345 |
session_print_motd(s, true); |
| 346 |
break; |
| 347 |
case ACTION_PAGE_ANSWER: |
| 348 |
if (!s->user || !s->user->is_sysop) { |
| 349 |
session_printf(s, invalid_option_help); |
| 350 |
session_flush(s); |
| 351 |
break; |
| 352 |
} |
| 353 |
s->area = SESSION_AREA_CHAT; |
| 354 |
session_answer_page(s); |
| 355 |
break; |
| 356 |
case ACTION_PAGE_SEND: |
| 357 |
session_page_sysop(s); |
| 358 |
break; |
| 359 |
case ACTION_SETTINGS: |
| 360 |
if (s->user) { |
| 361 |
s->area = SESSION_AREA_SETTINGS; |
| 362 |
user_settings_menu(s); |
| 363 |
} |
| 364 |
break; |
| 365 |
case ACTION_SIGNUP: |
| 366 |
s->area = SESSION_AREA_SIGNUP; |
| 367 |
if ((s->user = signup(s))) { |
| 368 |
session_printf(s, "\r\n" |
| 369 |
"Welcome, {{B}}%s{{/B}}!\r\n", s->user->username); |
| 370 |
goto main_menu; |
| 371 |
} |
| 372 |
break; |
| 373 |
case ACTION_WHOS_ONLINE: |
| 374 |
s->area = SESSION_AREA_WHO; |
| 375 |
session_who(s); |
| 376 |
break; |
| 377 |
case ACTION_BOARD_LIST_BOARDS: |
| 378 |
s->area = SESSION_AREA_BOARDS; |
| 379 |
board_list_boards(s); |
| 380 |
break; |
| 381 |
case ACTION_BOARD_LIST_FTN_AREAS: |
| 382 |
s->area = SESSION_AREA_FTN; |
| 383 |
board_list_ftn_areas(s); |
| 384 |
break; |
| 385 |
case ACTION_BOARD_SHOW_1: |
| 386 |
s->area = SESSION_AREA_BOARDS; |
| 387 |
board_show(s, 1, NULL); |
| 388 |
break; |
| 389 |
case ACTION_BOARD_SHOW_2: |
| 390 |
s->area = SESSION_AREA_BOARDS; |
| 391 |
board_show(s, 2, NULL); |
| 392 |
break; |
| 393 |
case ACTION_BOARD_SHOW_3: |
| 394 |
s->area = SESSION_AREA_BOARDS; |
| 395 |
board_show(s, 3, NULL); |
| 396 |
break; |
| 397 |
case ACTION_BOARD_SHOW_4: |
| 398 |
s->area = SESSION_AREA_BOARDS; |
| 399 |
board_show(s, 4, NULL); |
| 400 |
break; |
| 401 |
case ACTION_BOARD_SHOW_5: |
| 402 |
s->area = SESSION_AREA_BOARDS; |
| 403 |
board_show(s, 5, NULL); |
| 404 |
break; |
| 405 |
case ACTION_BOARD_SHOW_6: |
| 406 |
s->area = SESSION_AREA_BOARDS; |
| 407 |
board_show(s, 6, NULL); |
| 408 |
break; |
| 409 |
case ACTION_BOARD_SHOW_7: |
| 410 |
s->area = SESSION_AREA_BOARDS; |
| 411 |
board_show(s, 7, NULL); |
| 412 |
break; |
| 413 |
case ACTION_BOARD_SHOW_8: |
| 414 |
s->area = SESSION_AREA_BOARDS; |
| 415 |
board_show(s, 8, NULL); |
| 416 |
break; |
| 417 |
case ACTION_BOARD_SHOW_9: |
| 418 |
s->area = SESSION_AREA_BOARDS; |
| 419 |
board_show(s, 9, NULL); |
| 420 |
break; |
| 421 |
case ACTION_BOARD_SHOW_10: |
| 422 |
s->area = SESSION_AREA_BOARDS; |
| 423 |
board_show(s, 10, NULL); |
| 424 |
break; |
| 425 |
case ACTION_SYSOP_MENU: |
| 426 |
if (!s->user || !s->user->is_sysop) { |
| 427 |
session_printf(s, invalid_option_help); |
| 428 |
session_flush(s); |
| 429 |
break; |
| 430 |
} |
| 431 |
sysop_menu(s); |
| 432 |
break; |
| 433 |
case ACTION_SHOW_MENU: |
| 434 |
if (last_c == c) |
| 435 |
/* asking twice in a row will print the full menu */ |
| 436 |
session_print_menu(s, false); |
| 437 |
else |
| 438 |
session_print_menu(s, true); |
| 439 |
session_flush(s); |
| 440 |
break; |
| 441 |
default: |
| 442 |
session_printf(s, invalid_option_help); |
| 443 |
session_flush(s); |
| 444 |
break; |
| 445 |
} |
| 446 |
|
| 447 |
last_c = c; |
| 448 |
} |
| 449 |
|
| 450 |
session_close(s); |
| 451 |
} |
| 452 |
|
| 453 |
void |
| 454 |
session_print_menu(struct session *session, bool short_menu) |
| 455 |
{ |
| 456 |
struct main_menu_option *option = NULL; |
| 457 |
size_t size; |
| 458 |
short i; |
| 459 |
char *output = NULL; |
| 460 |
|
| 461 |
if (short_menu && session_output_view_or_printf(session, |
| 462 |
DB_VIEW_SHORTMENU, NULL) != 0) |
| 463 |
return; |
| 464 |
|
| 465 |
if (session_output_view_or_printf(session, DB_VIEW_MENU, NULL) != 0) |
| 466 |
return; |
| 467 |
|
| 468 |
for (i = 0; ; i++) { |
| 469 |
option = &main_menu_options[i]; |
| 470 |
|
| 471 |
if (option->action == ACTION_NONE) |
| 472 |
break; |
| 473 |
|
| 474 |
if (option->menu_key == 0 || option->label[0] == '\0') |
| 475 |
continue; |
| 476 |
|
| 477 |
size = session_expand_template(session, option->label, &output); |
| 478 |
if (!size) |
| 479 |
continue; |
| 480 |
|
| 481 |
session_printf(session, "{{B}}%c{{/B}}: %s\r\n", option->menu_key, |
| 482 |
output); |
| 483 |
xfree(&output); |
| 484 |
} |
| 485 |
} |
| 486 |
|
| 487 |
void |
| 488 |
session_close(struct session *session) |
| 489 |
{ |
| 490 |
unsigned long now; |
| 491 |
short n; |
| 492 |
bool found; |
| 493 |
|
| 494 |
if (!session->ending) { |
| 495 |
if (!session->ban_node_source) { |
| 496 |
/* give 1 second to flush output */ |
| 497 |
now = Ticks; |
| 498 |
while (session->obuflen && (Ticks - now) < 60) { |
| 499 |
session->node_funcs->output(session); |
| 500 |
uthread_yield(); |
| 501 |
} |
| 502 |
} |
| 503 |
session->ending = true; |
| 504 |
} |
| 505 |
|
| 506 |
if (session->log.logged_on_at) { |
| 507 |
/* finalize session log */ |
| 508 |
session->log.logged_off_at = Time; |
| 509 |
|
| 510 |
if (bile_write(db->sessions_bile, SL_LOG_RTYPE, session->log.id, |
| 511 |
&session->log, sizeof(session->log)) != sizeof(session->log)) |
| 512 |
panic("bile_write of session log failed: %d", |
| 513 |
bile_error(db->sessions_bile)); |
| 514 |
} |
| 515 |
|
| 516 |
/* close the node */ |
| 517 |
session->node_funcs->close(session); |
| 518 |
|
| 519 |
/* remove session from sessions */ |
| 520 |
found = false; |
| 521 |
for (n = 0; n < MAX_SESSIONS; n++) { |
| 522 |
if (sessions[n] == session) { |
| 523 |
sessions[n] = NULL; |
| 524 |
found = true; |
| 525 |
break; |
| 526 |
} |
| 527 |
} |
| 528 |
|
| 529 |
if (!found) |
| 530 |
panic("session_close failed to find session to remove"); |
| 531 |
|
| 532 |
nsessions--; |
| 533 |
if (session->user) |
| 534 |
xfree(&session->user); |
| 535 |
xfree(&session); |
| 536 |
|
| 537 |
logger_update_title(); |
| 538 |
} |
| 539 |
|
| 540 |
void |
| 541 |
session_check_buf_canaries(struct session *session) |
| 542 |
{ |
| 543 |
if (session->obuf_canary != OBUF_CANARY) |
| 544 |
warn("obuf canary dead"); |
| 545 |
if (session->ibuf_canary != IBUF_CANARY) |
| 546 |
warn("ibuf canary dead"); |
| 547 |
if (session->obuflen_canary != OBUFLEN_CANARY) |
| 548 |
warn("obuflen canary dead"); |
| 549 |
if (session->ibuflen_canary != IBUFLEN_CANARY) |
| 550 |
warn("ibuflen canary dead"); |
| 551 |
} |
| 552 |
|
| 553 |
void |
| 554 |
session_flush(struct session *session) |
| 555 |
{ |
| 556 |
if (session->ending || session->obuflen == 0) |
| 557 |
return; |
| 558 |
|
| 559 |
while (session->obuflen != 0) { |
| 560 |
session->node_funcs->output(session); |
| 561 |
session_check_buf_canaries(session); |
| 562 |
if (session->obuflen != 0) |
| 563 |
uthread_yield(); |
| 564 |
if (session->ending) |
| 565 |
return; |
| 566 |
|
| 567 |
/* |
| 568 |
* The console will leave \e in the output buffer if it's the only |
| 569 |
* thing in there, so don't loop forever. |
| 570 |
*/ |
| 571 |
if (session->obuflen == 1 && session->obuf[0] == '\33') |
| 572 |
return; |
| 573 |
} |
| 574 |
} |
| 575 |
|
| 576 |
size_t |
| 577 |
session_log(struct session *session, const char *str) |
| 578 |
{ |
| 579 |
return logger_printf("[%s] [%s] %s", session->node, |
| 580 |
session->logged_in ? |
| 581 |
(session->user ? session->user->username : GUEST_USERNAME) : "-", |
| 582 |
str); |
| 583 |
} |
| 584 |
|
| 585 |
size_t |
| 586 |
session_logf(struct session *session, const char *format, ...) |
| 587 |
{ |
| 588 |
va_list ap; |
| 589 |
|
| 590 |
va_start(ap, format); |
| 591 |
vsnprintf(session_log_tbuf, sizeof(session_log_tbuf), format, ap); |
| 592 |
va_end(ap); |
| 593 |
|
| 594 |
return session_log(session, session_log_tbuf); |
| 595 |
} |
| 596 |
|
| 597 |
size_t |
| 598 |
session_logf_buffered(struct session *session, const char *format, ...) |
| 599 |
{ |
| 600 |
va_list ap; |
| 601 |
size_t ret; |
| 602 |
|
| 603 |
va_start(ap, format); |
| 604 |
vsnprintf(session_log_tbuf, sizeof(session_log_tbuf), format, ap); |
| 605 |
va_end(ap); |
| 606 |
|
| 607 |
logger->autoflush = false; |
| 608 |
ret = session_log(session, session_log_tbuf); |
| 609 |
logger->autoflush = true; |
| 610 |
|
| 611 |
return ret; |
| 612 |
} |
| 613 |
|
| 614 |
size_t |
| 615 |
session_output(struct session *session, const char *str, size_t len) |
| 616 |
{ |
| 617 |
size_t chunk, olen = len, stroff = 0; |
| 618 |
|
| 619 |
while (len && !session->ending) { |
| 620 |
chunk = (sizeof(session->obuf) - session->obuflen); |
| 621 |
if (chunk == 0) { |
| 622 |
session_flush(session); |
| 623 |
if (session->ending) |
| 624 |
return 0; |
| 625 |
continue; |
| 626 |
} |
| 627 |
if (chunk > len) |
| 628 |
chunk = len; |
| 629 |
|
| 630 |
memcpy(session->obuf + session->obuflen, str + stroff, chunk); |
| 631 |
session->obuflen += chunk; |
| 632 |
if (session->obuflen > sizeof(session->obuf)) { |
| 633 |
warn("[%s] Bogus obuflen %d > %ld", session->node, |
| 634 |
session->obuflen, sizeof(session->obuf)); |
| 635 |
session->ending = true; |
| 636 |
session_close(session); |
| 637 |
return 0; |
| 638 |
} |
| 639 |
stroff += chunk; |
| 640 |
len -= chunk; |
| 641 |
} |
| 642 |
|
| 643 |
session_check_buf_canaries(session); |
| 644 |
|
| 645 |
return olen; |
| 646 |
} |
| 647 |
|
| 648 |
size_t |
| 649 |
session_paginate(struct session *session, const char *str, size_t len, |
| 650 |
size_t first_page_printed) |
| 651 |
{ |
| 652 |
size_t olen = 0, n, adv; |
| 653 |
size_t olines = first_page_printed; |
| 654 |
size_t line_len = session->terminal_columns; |
| 655 |
ssize_t last_space = -1; |
| 656 |
short last_input = 0; |
| 657 |
|
| 658 |
while (len && !session->ending) { |
| 659 |
for (n = 0, adv = 0; n < line_len && n < len; n++) { |
| 660 |
if (str[n] == '\r') { |
| 661 |
last_space = n; |
| 662 |
adv = n + 1; |
| 663 |
if (str[n + 1] == '\n') |
| 664 |
adv++; |
| 665 |
break; |
| 666 |
} else if (str[n] == '\n') { |
| 667 |
last_space = n; |
| 668 |
adv = n + 1; |
| 669 |
break; |
| 670 |
} else if (str[n] == ' ') { |
| 671 |
last_space = n; |
| 672 |
adv = n + 1; |
| 673 |
} |
| 674 |
} |
| 675 |
if (last_space == -1) { |
| 676 |
/* no space, break hard */ |
| 677 |
last_space = MIN(line_len, len); |
| 678 |
adv = last_space; |
| 679 |
} |
| 680 |
if (len == n) |
| 681 |
adv = last_space = len; |
| 682 |
|
| 683 |
if (last_space > 0) { |
| 684 |
session_output(session, str, last_space); |
| 685 |
olen += last_space; |
| 686 |
} |
| 687 |
str += adv; |
| 688 |
len -= adv; |
| 689 |
|
| 690 |
session_output(session, "\r\n", 2); |
| 691 |
olen += 2; |
| 692 |
olines++; |
| 693 |
|
| 694 |
if (len && (olines == session->terminal_lines - 1 || |
| 695 |
last_input == '\r' || last_input == '\n')) { |
| 696 |
olines = 0; |
| 697 |
|
| 698 |
session_printf(session, "-- More --"); |
| 699 |
session_flush(session); |
| 700 |
|
| 701 |
last_input = session_input_char(session); |
| 702 |
|
| 703 |
if (session->vt100) |
| 704 |
session_printf(session, "\r%s", |
| 705 |
ansi(session, ANSI_ERASE_LINE, ANSI_END)); |
| 706 |
else |
| 707 |
session_output(session, "\r", 1); |
| 708 |
|
| 709 |
if (last_input == 'q' || last_input == 'Q') |
| 710 |
break; |
| 711 |
} |
| 712 |
} |
| 713 |
|
| 714 |
return olen; |
| 715 |
} |
| 716 |
|
| 717 |
size_t |
| 718 |
session_printf(struct session *session, const char *format, ...) |
| 719 |
{ |
| 720 |
va_list ap; |
| 721 |
size_t len; |
| 722 |
|
| 723 |
va_start(ap, format); |
| 724 |
len = session_vprintf(session, format, ap); |
| 725 |
va_end(ap); |
| 726 |
|
| 727 |
return len; |
| 728 |
} |
| 729 |
|
| 730 |
size_t |
| 731 |
session_vprintf(struct session *session, const char *format, va_list ap) |
| 732 |
{ |
| 733 |
static char session_printf_ebuf[160], session_printf_tbuf[160]; |
| 734 |
size_t len, n, en; |
| 735 |
bool stop = false; |
| 736 |
|
| 737 |
/* avoid a full session_expand_template for {{B}}, {{/B}}, and {{#}} */ |
| 738 |
session_printf_ebuf[0] = '\0'; |
| 739 |
for (n = 0, en = 0; format[n] != '\0'; n++) { |
| 740 |
if (!stop) { |
| 741 |
if (format[n] == '{' && format[n + 1] == '{' && |
| 742 |
format[n + 2] == 'B' && format[n + 3] == '}' && |
| 743 |
format[n + 4] == '}') { |
| 744 |
en = strlcat(session_printf_ebuf, ansi_bold(session), |
| 745 |
sizeof(session_printf_ebuf)); |
| 746 |
n += 4; |
| 747 |
continue; |
| 748 |
} |
| 749 |
if (format[n] == '{' && |
| 750 |
format[n + 1] == '{' && format[n + 2] == '/' && |
| 751 |
format[n + 3] == 'B' && format[n + 4] == '}' && |
| 752 |
format[n + 5] == '}') { |
| 753 |
en = strlcat(session_printf_ebuf, ansi_reset(session), |
| 754 |
sizeof(session_printf_ebuf)); |
| 755 |
n += 5; |
| 756 |
continue; |
| 757 |
} |
| 758 |
if (format[n] == '{' && |
| 759 |
format[n + 1] == '{' && format[n + 2] == '#' && |
| 760 |
format[n + 3] == '}' && format[n + 4] == '}') { |
| 761 |
stop = true; |
| 762 |
n += 4; |
| 763 |
continue; |
| 764 |
} |
| 765 |
} |
| 766 |
|
| 767 |
session_printf_ebuf[en++] = format[n]; |
| 768 |
|
| 769 |
if (en >= sizeof(session_printf_ebuf) - 1) |
| 770 |
panic("session_printf_ebuf overflow!"); |
| 771 |
session_printf_ebuf[en] = '\0'; |
| 772 |
} |
| 773 |
|
| 774 |
len = vsnprintf(session_printf_tbuf, sizeof(session_printf_tbuf), |
| 775 |
session_printf_ebuf, ap); |
| 776 |
|
| 777 |
if (len > sizeof(session_printf_tbuf)) |
| 778 |
panic("session_printf overflow! (%ld > %ld)", len, |
| 779 |
sizeof(session_printf_tbuf)); |
| 780 |
|
| 781 |
return session_output(session, session_printf_tbuf, len); |
| 782 |
} |
| 783 |
|
| 784 |
size_t |
| 785 |
session_output_view_or_printf(struct session *session, short id, |
| 786 |
const char *format, ...) |
| 787 |
{ |
| 788 |
size_t size; |
| 789 |
char *output; |
| 790 |
va_list ap; |
| 791 |
|
| 792 |
/* can't use bile_read_alloc because we need to null terminate */ |
| 793 |
if (db->views[id] == NULL || strlen(db->views[id]) == 0) { |
| 794 |
if (format == NULL) |
| 795 |
return 0; |
| 796 |
|
| 797 |
va_start(ap, format); |
| 798 |
size = session_vprintf(session, format, ap); |
| 799 |
va_end(ap); |
| 800 |
|
| 801 |
return size; |
| 802 |
} |
| 803 |
|
| 804 |
size = session_expand_template(session, db->views[id], &output); |
| 805 |
if (!size) |
| 806 |
return 0; |
| 807 |
|
| 808 |
size = session_output(session, output, size); |
| 809 |
xfree(&output); |
| 810 |
|
| 811 |
return size; |
| 812 |
} |
| 813 |
|
| 814 |
bool |
| 815 |
session_idled_out(struct session *session) |
| 816 |
{ |
| 817 |
if (session->logged_in) { |
| 818 |
if (session->user && session->user->is_sysop) { |
| 819 |
if (db->config.max_sysop_idle_minutes != 0 && |
| 820 |
Time - session->last_input_at > |
| 821 |
(db->config.max_sysop_idle_minutes * 60)) |
| 822 |
return true; |
| 823 |
} else { |
| 824 |
if (db->config.max_idle_minutes != 0 && |
| 825 |
Time - session->last_input_at > |
| 826 |
(db->config.max_idle_minutes * 60)) |
| 827 |
return true; |
| 828 |
} |
| 829 |
} else { |
| 830 |
if (Time - session->established_at > |
| 831 |
db->config.max_login_seconds) |
| 832 |
return true; |
| 833 |
} |
| 834 |
|
| 835 |
return false; |
| 836 |
} |
| 837 |
|
| 838 |
short |
| 839 |
session_get_char(struct session *session, unsigned char *b) |
| 840 |
{ |
| 841 |
return session_get_chars(session, b, 1); |
| 842 |
} |
| 843 |
|
| 844 |
short |
| 845 |
session_get_chars(struct session *session, unsigned char *b, size_t count) |
| 846 |
{ |
| 847 |
short ret = 0; |
| 848 |
|
| 849 |
while (ret < count) { |
| 850 |
if (session->ibuflen == 0) { |
| 851 |
if (session_idled_out(session)) |
| 852 |
return 0; |
| 853 |
|
| 854 |
uthread_yield(); |
| 855 |
session->node_funcs->input(session); |
| 856 |
|
| 857 |
if (session->ending || session->abort_input) |
| 858 |
return 0; |
| 859 |
if (session->ibuflen == 0) |
| 860 |
return 0; |
| 861 |
} |
| 862 |
|
| 863 |
session->last_input_at = Time; |
| 864 |
|
| 865 |
*b = session->ibuf[session->ibufoff]; |
| 866 |
b++; |
| 867 |
|
| 868 |
if (session->ibuflen == 1) { |
| 869 |
session->ibuflen = 0; |
| 870 |
session->ibufoff = 0; |
| 871 |
} else { |
| 872 |
session->ibuflen--; |
| 873 |
session->ibufoff++; |
| 874 |
} |
| 875 |
|
| 876 |
ret++; |
| 877 |
} |
| 878 |
|
| 879 |
session_check_buf_canaries(session); |
| 880 |
|
| 881 |
return ret; |
| 882 |
} |
| 883 |
|
| 884 |
bool |
| 885 |
session_wait_for_chars(struct session *session, unsigned short timeout_ms, |
| 886 |
unsigned short num_chars) |
| 887 |
{ |
| 888 |
unsigned long expire = 0; |
| 889 |
|
| 890 |
if (timeout_ms) |
| 891 |
expire = Ticks + (timeout_ms / ((double)1000 / (double)60)); |
| 892 |
|
| 893 |
while (session->ibuflen < num_chars) { |
| 894 |
session->node_funcs->input(session); |
| 895 |
if (session->ending || session->abort_input) |
| 896 |
return false; |
| 897 |
if (session->obuflen != 0 && session->chatting) |
| 898 |
return false; |
| 899 |
if (expire && Ticks > expire) |
| 900 |
return false; |
| 901 |
if (session_idled_out(session)) |
| 902 |
return false; |
| 903 |
if (session->ibuflen >= num_chars) |
| 904 |
break; |
| 905 |
uthread_yield(); |
| 906 |
} |
| 907 |
|
| 908 |
session->last_input_at = Time; |
| 909 |
session_check_buf_canaries(session); |
| 910 |
return true; |
| 911 |
} |
| 912 |
|
| 913 |
unsigned short |
| 914 |
session_input_char(struct session *session) |
| 915 |
{ |
| 916 |
unsigned short ret; |
| 917 |
short waiting_for = 1; |
| 918 |
short consumed = 0; |
| 919 |
|
| 920 |
wait_for_char: |
| 921 |
if (session->ibuflen < waiting_for && |
| 922 |
!session_wait_for_chars(session, 0, waiting_for)) { |
| 923 |
if (session_idled_out(session)) |
| 924 |
goto idled_out; |
| 925 |
return 0; |
| 926 |
} |
| 927 |
|
| 928 |
if (session->ibuf[0] == ESC) { |
| 929 |
/* look for a VT100 escape sequence */ |
| 930 |
if (session->ibuflen == 1) { |
| 931 |
waiting_for = 2; |
| 932 |
goto wait_for_char; |
| 933 |
} else if (session->ibuf[1] == '[') { |
| 934 |
if (session->ibuflen == 2) { |
| 935 |
waiting_for = 3; |
| 936 |
goto wait_for_char; |
| 937 |
} else { |
| 938 |
consumed = 3; |
| 939 |
switch (session->ibuf[2]) { |
| 940 |
case 'A': |
| 941 |
ret = KEY_UP; |
| 942 |
break; |
| 943 |
case 'B': |
| 944 |
ret = KEY_DOWN; |
| 945 |
break; |
| 946 |
case 'C': |
| 947 |
ret = KEY_RIGHT; |
| 948 |
break; |
| 949 |
case 'D': |
| 950 |
ret = KEY_LEFT; |
| 951 |
break; |
| 952 |
default: |
| 953 |
/* probably not good to pass it through as-is */ |
| 954 |
ret = KEY_OTHER; |
| 955 |
} |
| 956 |
|
| 957 |
goto done_consuming; |
| 958 |
} |
| 959 |
} |
| 960 |
} |
| 961 |
|
| 962 |
ret = session->ibuf[0]; |
| 963 |
consumed = 1; |
| 964 |
|
| 965 |
done_consuming: |
| 966 |
if (session->ibuflen == consumed) |
| 967 |
session->ibuflen = 0; |
| 968 |
else { |
| 969 |
memmove(session->ibuf, session->ibuf + consumed, |
| 970 |
session->ibuflen - consumed); |
| 971 |
session->ibuflen--; |
| 972 |
} |
| 973 |
|
| 974 |
if (session->last_input == '\r' && (ret == '\n' || ret == 0)) { |
| 975 |
/* we already responded to the \r, just ignore this */ |
| 976 |
session->last_input = ret; |
| 977 |
goto wait_for_char; |
| 978 |
} |
| 979 |
|
| 980 |
session->last_input = ret; |
| 981 |
return ret; |
| 982 |
|
| 983 |
idled_out: |
| 984 |
if (session->logged_in) |
| 985 |
session_logf(session, "Idle too long, logging out"); |
| 986 |
else |
| 987 |
session_logf(session, "Took too long to login, disconnecting"); |
| 988 |
session_printf(session, |
| 989 |
"\r\n\r\nYou have been idle too long, goodbye.\r\n\r\n"); |
| 990 |
session_flush(session); |
| 991 |
session->ending = true; |
| 992 |
return 0; |
| 993 |
} |
| 994 |
|
| 995 |
void |
| 996 |
session_clear_input(struct session *session) |
| 997 |
{ |
| 998 |
uthread_yield(); |
| 999 |
session->node_funcs->input(session); |
| 1000 |
uthread_yield(); |
| 1001 |
session->node_funcs->input(session); |
| 1002 |
|
| 1003 |
session->ibuflen = 0; |
| 1004 |
} |
| 1005 |
|
| 1006 |
/* |
| 1007 |
* Collect up to size-1 bytes of input with trailing null, in a field |
| 1008 |
* width columns wide, optionally masking echoed output with mask char. |
| 1009 |
* For multiline-capable input, |
| 1010 |
*/ |
| 1011 |
char * |
| 1012 |
session_field_input(struct session *session, unsigned short size, |
| 1013 |
unsigned short width, char *initial_input, bool multiline, char mask) |
| 1014 |
{ |
| 1015 |
short ilen = 0, ipos = 0, over; |
| 1016 |
long n; |
| 1017 |
char *field; |
| 1018 |
unsigned short c; |
| 1019 |
unsigned char chc; |
| 1020 |
bool redraw = false; |
| 1021 |
|
| 1022 |
session->abort_input = false; |
| 1023 |
|
| 1024 |
field = xmalloczero(size); |
| 1025 |
if (field == NULL) { |
| 1026 |
session->ending = true; |
| 1027 |
return NULL; |
| 1028 |
} |
| 1029 |
|
| 1030 |
if (initial_input) { |
| 1031 |
ipos = ilen = strlcpy(field, initial_input, size); |
| 1032 |
/* TODO: handle initial value being longer than width */ |
| 1033 |
if (mask) { |
| 1034 |
for (n = 0; n < ilen; n++) |
| 1035 |
session_output(session, &mask, 1); |
| 1036 |
} else |
| 1037 |
session_output(session, field, ilen); |
| 1038 |
session_flush(session); |
| 1039 |
} |
| 1040 |
|
| 1041 |
for (;;) { |
| 1042 |
c = session_input_char(session); |
| 1043 |
if (session->ending || session->abort_input) |
| 1044 |
goto field_input_bail; |
| 1045 |
switch (c) { |
| 1046 |
case 0: /* session_input_char bailed */ |
| 1047 |
if (session->obuflen > 0) { |
| 1048 |
session->node_funcs->output(session); |
| 1049 |
uthread_yield(); |
| 1050 |
if (session->ending) |
| 1051 |
goto field_input_bail; |
| 1052 |
} |
| 1053 |
break; |
| 1054 |
case CONTROL_D: /* ^D */ |
| 1055 |
return field; |
| 1056 |
case CONTROL_C: /* ^C */ |
| 1057 |
if (multiline) |
| 1058 |
return field; |
| 1059 |
goto field_input_bail; |
| 1060 |
case BACKSPACE: /* ^H */ |
| 1061 |
case DELETE: /* backspace through telnet */ |
| 1062 |
case KEY_LEFT: |
| 1063 |
if (ipos == 0) |
| 1064 |
continue; |
| 1065 |
|
| 1066 |
if (ipos < ilen && c != KEY_LEFT) { |
| 1067 |
redraw = true; |
| 1068 |
memmove(field + ipos - 1, field + ipos, ilen - 1); |
| 1069 |
} |
| 1070 |
|
| 1071 |
if (field[ipos - 1] == '\n') { |
| 1072 |
/* need to jump up a line and go over */ |
| 1073 |
session_printf(session, |
| 1074 |
ansi(session, ANSI_UP_N, 1, ANSI_END)); |
| 1075 |
over = 1; |
| 1076 |
for (n = ipos - 2; n >= 0; n--) { |
| 1077 |
if (field[n] == '\n') |
| 1078 |
break; |
| 1079 |
over++; |
| 1080 |
} |
| 1081 |
session_printf(session, |
| 1082 |
ansi(session, ANSI_COL_N, over, ANSI_END)); |
| 1083 |
session_flush(session); |
| 1084 |
} |
| 1085 |
|
| 1086 |
ipos--; |
| 1087 |
|
| 1088 |
if (c != KEY_LEFT) { |
| 1089 |
ilen--; |
| 1090 |
field[ilen] = '\0'; |
| 1091 |
|
| 1092 |
session_printf(session, |
| 1093 |
ansi(session, ANSI_BACKSPACE, ANSI_END)); |
| 1094 |
} |
| 1095 |
|
| 1096 |
if (redraw) { |
| 1097 |
session_printf(session, |
| 1098 |
ansi(session, ANSI_SAVE_CURSOR, ANSI_END)); |
| 1099 |
session_output(session, field + ipos, ilen - ipos); |
| 1100 |
session_output(session, " ", 1); |
| 1101 |
session_printf(session, |
| 1102 |
ansi(session, ANSI_RESTORE_SAVED_CURSOR, ANSI_END)); |
| 1103 |
} |
| 1104 |
|
| 1105 |
session_flush(session); |
| 1106 |
break; |
| 1107 |
case '\r': |
| 1108 |
case '\n': |
| 1109 |
if (multiline) |
| 1110 |
goto append_char; |
| 1111 |
return field; |
| 1112 |
case KEY_RIGHT: |
| 1113 |
if (ipos == ilen) |
| 1114 |
continue; |
| 1115 |
ipos++; |
| 1116 |
session_printf(session, |
| 1117 |
ansi(session, ANSI_FORWARD_N, 1, ANSI_END)); |
| 1118 |
session_flush(session); |
| 1119 |
break; |
| 1120 |
default: |
| 1121 |
append_char: |
| 1122 |
if ((c < 32 || c > 127) && (c != '\r' && c != '\n')) |
| 1123 |
break; |
| 1124 |
if (ilen >= size - 1) |
| 1125 |
break; |
| 1126 |
chc = c; |
| 1127 |
if (ipos < ilen) |
| 1128 |
memmove(field + ipos + 1, field + ipos, ilen - ipos); |
| 1129 |
|
| 1130 |
field[ipos] = chc; |
| 1131 |
ipos++; |
| 1132 |
ilen++; |
| 1133 |
field[ilen] = '\0'; |
| 1134 |
session_output(session, mask ? &mask : (char *)&chc, 1); |
| 1135 |
|
| 1136 |
if (ipos < ilen) { |
| 1137 |
if (mask) { |
| 1138 |
/* TODO: repeat mask */ |
| 1139 |
} else { |
| 1140 |
session_printf(session, |
| 1141 |
ansi(session, ANSI_SAVE_CURSOR, ANSI_END)); |
| 1142 |
session_output(session, field + ipos, |
| 1143 |
ilen - ipos); |
| 1144 |
session_printf(session, |
| 1145 |
ansi(session, ANSI_RESTORE_SAVED_CURSOR, ANSI_END)); |
| 1146 |
} |
| 1147 |
} |
| 1148 |
|
| 1149 |
if (chc == '\r') { |
| 1150 |
c = '\n'; |
| 1151 |
goto append_char; |
| 1152 |
} |
| 1153 |
|
| 1154 |
session_flush(session); |
| 1155 |
} |
| 1156 |
} |
| 1157 |
|
| 1158 |
field_input_bail: |
| 1159 |
xfree(&field); |
| 1160 |
return NULL; |
| 1161 |
} |
| 1162 |
|
| 1163 |
short |
| 1164 |
session_login(struct session *s) |
| 1165 |
{ |
| 1166 |
struct user *user = NULL; |
| 1167 |
char junk[SHA256_DIGEST_STRING_LENGTH]; |
| 1168 |
char *username = NULL, *password = NULL; |
| 1169 |
size_t len; |
| 1170 |
short n; |
| 1171 |
|
| 1172 |
for (n = 1; n <= 3; n++) { |
| 1173 |
session_printf(s, "Username: "); |
| 1174 |
|
| 1175 |
if (s->autologin_username[0]) { |
| 1176 |
session_printf(s, "{{#}}%s\r\n", s->autologin_username); |
| 1177 |
session_flush(s); |
| 1178 |
username = xstrdup(s->autologin_username); |
| 1179 |
if (username == NULL) |
| 1180 |
goto login_bail; |
| 1181 |
} else { |
| 1182 |
session_flush(s); |
| 1183 |
username = session_field_input(s, DB_USERNAME_LENGTH + 1, |
| 1184 |
DB_USERNAME_LENGTH, NULL, false, 0); |
| 1185 |
session_output(s, "\r\n", 2); |
| 1186 |
session_flush(s); |
| 1187 |
|
| 1188 |
if (username == NULL || s->ending) |
| 1189 |
goto login_bail; |
| 1190 |
|
| 1191 |
if (username[0] == '\0') { |
| 1192 |
n--; |
| 1193 |
xfree(&username); |
| 1194 |
username = NULL; |
| 1195 |
continue; |
| 1196 |
} |
| 1197 |
} |
| 1198 |
|
| 1199 |
if (strcasecmp(username, GUEST_USERNAME) == 0) { |
| 1200 |
session_logf(s, "Successful guest login in as %s", username); |
| 1201 |
xfree(&username); |
| 1202 |
return AUTH_USER_GUEST; |
| 1203 |
} |
| 1204 |
|
| 1205 |
if ((strcasecmp(username, "signup") == 0 || |
| 1206 |
strcasecmp(username, "new") == 0) && db->config.open_signup) { |
| 1207 |
session_logf(s, "Successful guest signup login in as %s", |
| 1208 |
username); |
| 1209 |
xfree(&username); |
| 1210 |
return AUTH_USER_SIGNUP; |
| 1211 |
} |
| 1212 |
|
| 1213 |
user = user_find_by_username(username); |
| 1214 |
|
| 1215 |
if (!user && user_username_is_banned(username)) { |
| 1216 |
session_logf(s, "Attempted login as banned username %s", |
| 1217 |
username); |
| 1218 |
s->ban_node_source = 1; |
| 1219 |
goto login_bail; |
| 1220 |
} |
| 1221 |
|
| 1222 |
if (s->autologin_username[0]) { |
| 1223 |
if (user) { |
| 1224 |
xfree(&username); |
| 1225 |
s->user = user; |
| 1226 |
session_logf(s, "Automatically logged in as %s", |
| 1227 |
s->autologin_username); |
| 1228 |
return AUTH_USER_OK; |
| 1229 |
} |
| 1230 |
|
| 1231 |
memset(s->autologin_username, 0, |
| 1232 |
sizeof(s->autologin_username)); |
| 1233 |
} |
| 1234 |
|
| 1235 |
session_printf(s, "Password: "); |
| 1236 |
session_flush(s); |
| 1237 |
password = session_field_input(s, 64, 64, NULL, false, '*'); |
| 1238 |
session_output(s, "\r\n", 2); |
| 1239 |
session_flush(s); |
| 1240 |
|
| 1241 |
if (password == NULL || s->ending) |
| 1242 |
goto login_bail; |
| 1243 |
|
| 1244 |
if (user) { |
| 1245 |
if (user_authenticate(user, password) == AUTH_USER_OK) { |
| 1246 |
if (user->is_enabled) |
| 1247 |
s->user = user; |
| 1248 |
else |
| 1249 |
session_logf(s, "Successful password login for %s but " |
| 1250 |
"account is disabled", user->username); |
| 1251 |
} else |
| 1252 |
session_logf(s, "Failed password login for %s", |
| 1253 |
user->username); |
| 1254 |
} else { |
| 1255 |
/* kill some time */ |
| 1256 |
SHA256Data((const u_int8_t *)password, strlen(password), junk); |
| 1257 |
session_logf(s, "Failed password login for invalid user %s", |
| 1258 |
username); |
| 1259 |
} |
| 1260 |
|
| 1261 |
len = strlen(username); |
| 1262 |
memset(username, 0, len); |
| 1263 |
xfree(&username); |
| 1264 |
username = NULL; |
| 1265 |
|
| 1266 |
len = strlen(password); |
| 1267 |
memset(password, 0, len); |
| 1268 |
xfree(&password); |
| 1269 |
password = NULL; |
| 1270 |
|
| 1271 |
if (s->user) { |
| 1272 |
session_logf(s, "Successful password login for user %s", |
| 1273 |
s->user->username); |
| 1274 |
return AUTH_USER_OK; |
| 1275 |
} |
| 1276 |
|
| 1277 |
uthread_msleep(60); |
| 1278 |
session_printf(s, "Login incorrect\r\n"); |
| 1279 |
session_flush(s); |
| 1280 |
|
| 1281 |
if (user) |
| 1282 |
xfree(&user); |
| 1283 |
} |
| 1284 |
|
| 1285 |
login_bail: |
| 1286 |
if (username != NULL) |
| 1287 |
xfree(&username); |
| 1288 |
if (password != NULL) |
| 1289 |
xfree(&password); |
| 1290 |
if (!s->ban_node_source) { |
| 1291 |
if (session_idled_out(s)) { |
| 1292 |
session_logf(s, "Login timed out after %d seconds", |
| 1293 |
db->config.max_login_seconds); |
| 1294 |
session_printf(s, "\r\nLogin timed out after %d seconds\r\n", |
| 1295 |
db->config.max_login_seconds); |
| 1296 |
/* session_flush won't do anything since s->ending is set */ |
| 1297 |
s->node_funcs->output(s); |
| 1298 |
} else { |
| 1299 |
session_printf(s, "Thanks for playing\r\n"); |
| 1300 |
session_flush(s); |
| 1301 |
} |
| 1302 |
} |
| 1303 |
|
| 1304 |
return AUTH_USER_FAILED; |
| 1305 |
} |
| 1306 |
|
| 1307 |
size_t |
| 1308 |
session_expand_template(struct session *session, const char *tmpl, |
| 1309 |
char **ret) |
| 1310 |
{ |
| 1311 |
static char curvar[128], matchvar[128]; |
| 1312 |
size_t tmpllen, retsize, retpos; |
| 1313 |
size_t vallen; |
| 1314 |
short n, invar = 0, varlen = 0, doif, sep; |
| 1315 |
char *varseek, *curvarpos, *val, *data; |
| 1316 |
bool end_expansion = false; |
| 1317 |
|
| 1318 |
retsize = 0; |
| 1319 |
retpos = 0; |
| 1320 |
data = NULL; |
| 1321 |
tmpllen = strlen(tmpl); |
| 1322 |
|
| 1323 |
for (n = 0; n < tmpllen; n++) { |
| 1324 |
if (invar) { |
| 1325 |
if (!varlen && (tmpl[n] == ' ' || tmpl[n] == '\t')) |
| 1326 |
continue; |
| 1327 |
if (tmpl[n] == '}' && tmpl[n + 1] == '}') { |
| 1328 |
n++; |
| 1329 |
goto expand_var; |
| 1330 |
} else if (varlen < sizeof(curvar) - 2) |
| 1331 |
curvar[varlen++] = tmpl[n]; |
| 1332 |
} else if (!end_expansion && tmpl[n] == '{' && tmpl[n + 1] == '{') { |
| 1333 |
invar = 1; |
| 1334 |
varlen = 0; |
| 1335 |
n++; |
| 1336 |
} else if (tmpl[n] == '\r' && tmpl[n + 1] != '\n') { |
| 1337 |
if (!grow_to_fit(&data, &retsize, retpos, 2, 64)) { |
| 1338 |
xfree(&data); |
| 1339 |
break; |
| 1340 |
} |
| 1341 |
data[retpos++] = '\r'; |
| 1342 |
data[retpos++] = '\n'; |
| 1343 |
} else { |
| 1344 |
if (!grow_to_fit(&data, &retsize, retpos, 1, 64)) { |
| 1345 |
xfree(&data); |
| 1346 |
break; |
| 1347 |
} |
| 1348 |
data[retpos++] = tmpl[n]; |
| 1349 |
} |
| 1350 |
|
| 1351 |
continue; |
| 1352 |
|
| 1353 |
expand_var: |
| 1354 |
invar = 0; |
| 1355 |
curvar[varlen] = '\0'; |
| 1356 |
varlen = 0; |
| 1357 |
|
| 1358 |
if (strpos_quoted(curvar, '?') != -1 && |
| 1359 |
strpos_quoted(curvar, ':') != -1) { |
| 1360 |
/* ternary: user ? "a string" : time */ |
| 1361 |
varseek = curvar; |
| 1362 |
while (varseek[0] == ' ') |
| 1363 |
varseek++; |
| 1364 |
sep = strpos_quoted(varseek, '?'); |
| 1365 |
if (sep == -1) |
| 1366 |
continue; |
| 1367 |
memcpy(matchvar, varseek, sep); |
| 1368 |
matchvar[sep] = '\0'; |
| 1369 |
curvarpos = varseek + sep + 1; |
| 1370 |
while (matchvar[sep - 1] == ' ') |
| 1371 |
matchvar[--sep] = '\0'; |
| 1372 |
|
| 1373 |
/* matchvar is now the condition */ |
| 1374 |
if (strcmp(matchvar, "user") == 0) |
| 1375 |
doif = (session->user != NULL); |
| 1376 |
else if (strcmp(matchvar, "sysop") == 0) |
| 1377 |
doif = (session->user && session->user->is_sysop); |
| 1378 |
else |
| 1379 |
doif = 0; |
| 1380 |
|
| 1381 |
while (curvarpos[0] == ' ') |
| 1382 |
curvarpos++; |
| 1383 |
|
| 1384 |
sep = strpos_quoted(curvarpos, ':'); |
| 1385 |
if (sep == -1) |
| 1386 |
continue; |
| 1387 |
|
| 1388 |
while (curvarpos[sep] == ' ') { |
| 1389 |
curvarpos++; |
| 1390 |
sep--; |
| 1391 |
} |
| 1392 |
|
| 1393 |
if (doif) { |
| 1394 |
/* copy the "then" */ |
| 1395 |
memcpy(matchvar, curvarpos, sep); |
| 1396 |
matchvar[sep] = '\0'; |
| 1397 |
} else { |
| 1398 |
/* copy from after the "then" and : */ |
| 1399 |
strlcpy(matchvar, curvarpos + sep + 1, sizeof(matchvar)); |
| 1400 |
} |
| 1401 |
|
| 1402 |
sep = strlen(matchvar); |
| 1403 |
while (matchvar[sep - 1] == ' ') |
| 1404 |
matchvar[--sep] = '\0'; |
| 1405 |
|
| 1406 |
vallen = session_expand_var(session, matchvar, &val, |
| 1407 |
&end_expansion); |
| 1408 |
} else { |
| 1409 |
vallen = session_expand_var(session, curvar, &val, |
| 1410 |
&end_expansion); |
| 1411 |
} |
| 1412 |
|
| 1413 |
if (vallen) { |
| 1414 |
if (!grow_to_fit(&data, &retsize, retpos, vallen, 128)) { |
| 1415 |
xfree(&data); |
| 1416 |
break; |
| 1417 |
} |
| 1418 |
memcpy(data + retpos, val, vallen); |
| 1419 |
retpos += vallen; |
| 1420 |
} |
| 1421 |
} |
| 1422 |
|
| 1423 |
if (data == NULL) { |
| 1424 |
*ret = NULL; |
| 1425 |
return 0; |
| 1426 |
} |
| 1427 |
|
| 1428 |
data[retpos] = '\0'; |
| 1429 |
*ret = data; |
| 1430 |
return retpos; |
| 1431 |
} |
| 1432 |
|
| 1433 |
size_t |
| 1434 |
session_expand_var(struct session *session, char *ivar, char **ret, |
| 1435 |
bool *end_expansion) |
| 1436 |
{ |
| 1437 |
static char var[128], retval[128]; |
| 1438 |
size_t retsize, retlen, varlen, unread_count; |
| 1439 |
long elapsed, telapsed; |
| 1440 |
struct tm *now; |
| 1441 |
short count, n; |
| 1442 |
bool pad = false; |
| 1443 |
|
| 1444 |
*ret = (char *)&retval; |
| 1445 |
retlen = 0; |
| 1446 |
|
| 1447 |
if (sscanf(ivar, "%127[^|]|%lu%n", &var, &retsize, &count) == 2 && |
| 1448 |
count > 0) { |
| 1449 |
/* field of fixed length, either truncated or padded */ |
| 1450 |
if (retsize > sizeof(retval)) |
| 1451 |
retsize = sizeof(retval); |
| 1452 |
pad = true; |
| 1453 |
varlen = strlen(var); |
| 1454 |
} else { |
| 1455 |
while (ivar[0] == ' ') |
| 1456 |
ivar++; |
| 1457 |
|
| 1458 |
varlen = strlcpy(var, ivar, sizeof(var)); |
| 1459 |
retsize = sizeof(retval); |
| 1460 |
} |
| 1461 |
|
| 1462 |
while (varlen && var[varlen - 1] == ' ') { |
| 1463 |
var[varlen - 1] = '\0'; |
| 1464 |
varlen--; |
| 1465 |
} |
| 1466 |
|
| 1467 |
if (strcmp(var, "B") == 0) { |
| 1468 |
retlen = strlcpy(retval, ansi_bold(session), retsize); |
| 1469 |
} else if (strcmp(var, "/B") == 0) { |
| 1470 |
retlen = strlcpy(retval, ansi_reset(session), retsize); |
| 1471 |
} else if (strcmp(var, "#") == 0) { |
| 1472 |
*end_expansion = true; |
| 1473 |
retlen = 0; |
| 1474 |
} else if (strncmp(var, "center_", 7) == 0 && |
| 1475 |
sscanf(var, "center_%d", &count) == 1) { |
| 1476 |
if (session->terminal_columns <= count) |
| 1477 |
retlen = 0; |
| 1478 |
else { |
| 1479 |
retlen = MIN((session->terminal_columns - count) / 2, retsize); |
| 1480 |
for (n = 0; n < retlen; n++) |
| 1481 |
retval[n] = ' '; |
| 1482 |
retval[retlen] = '\0'; |
| 1483 |
} |
| 1484 |
} else if (strcmp(var, "logged_in_time") == 0) { |
| 1485 |
memset(retval, 0, retsize); |
| 1486 |
retlen = 0; |
| 1487 |
elapsed = Time - session->log.logged_on_at; |
| 1488 |
while (elapsed > 0) { |
| 1489 |
if (elapsed < 60) { |
| 1490 |
telapsed = elapsed; |
| 1491 |
retlen += snprintf(retval + retlen, |
| 1492 |
retsize - retlen, "%lus", telapsed); |
| 1493 |
} else if (elapsed < (60 * 60)) { |
| 1494 |
telapsed = elapsed / 60; |
| 1495 |
retlen += snprintf(retval + retlen, |
| 1496 |
retsize - retlen, "%lum", telapsed); |
| 1497 |
telapsed *= 60; |
| 1498 |
} else if (elapsed < (60 * 60 * 24)) { |
| 1499 |
telapsed = elapsed / (60 * 60); |
| 1500 |
retlen += snprintf(retval + retlen, |
| 1501 |
retsize - retlen, "%luh", telapsed); |
| 1502 |
telapsed *= (60 * 60); |
| 1503 |
} else { |
| 1504 |
telapsed = elapsed / (60 * 60 * 24); |
| 1505 |
retlen += snprintf(retval + retlen, |
| 1506 |
retsize - retlen, "%luh", telapsed); |
| 1507 |
telapsed *= (60 * 60 * 24); |
| 1508 |
} |
| 1509 |
elapsed -= telapsed; |
| 1510 |
} |
| 1511 |
} else if (strcmp(var, "node") == 0) { |
| 1512 |
retlen = strlcpy(retval, session->node, retsize); |
| 1513 |
} else if (strcmp(var, "phone_number") == 0) { |
| 1514 |
retlen = strlcpy(retval, db->config.phone_number, retsize); |
| 1515 |
} else if (strcmp(var, "time") == 0) { |
| 1516 |
now = localtime((time_t *)&Time); |
| 1517 |
retlen = strftime(retval, retsize, "%H:%M", now); |
| 1518 |
} else if (strcmp(var, "timezone") == 0) { |
| 1519 |
retlen = strlcpy(retval, db->config.timezone, retsize); |
| 1520 |
} else if (strcmp(var, "username") == 0) { |
| 1521 |
retlen = strlcpy(retval, session->user ? |
| 1522 |
session->user->username : GUEST_USERNAME, retsize); |
| 1523 |
} else if (strcmp(var, "new_mail") == 0) { |
| 1524 |
if (session->user) { |
| 1525 |
mail_find_ids_for_user(session->user, &unread_count, NULL, 0, |
| 1526 |
0, true); |
| 1527 |
if (unread_count) |
| 1528 |
retlen = sprintf(retval, "(%lu New)", unread_count); |
| 1529 |
} |
| 1530 |
} else if (var[0] == '"') { |
| 1531 |
/* a literal string, remove leading and trailing quotes */ |
| 1532 |
var[varlen - 1] = '\0'; |
| 1533 |
varlen--; |
| 1534 |
if (varlen > retsize) |
| 1535 |
varlen = retsize; |
| 1536 |
strlcpy(retval, var + 1, varlen); |
| 1537 |
retlen = varlen - 1; |
| 1538 |
} else { |
| 1539 |
/* shrug */ |
| 1540 |
strlcpy(retval, var, varlen); |
| 1541 |
retlen = varlen; |
| 1542 |
} |
| 1543 |
|
| 1544 |
if (pad && retlen < retsize) { |
| 1545 |
while (retlen < retsize) |
| 1546 |
retval[retlen++] = ' '; |
| 1547 |
retval[retlen] = '\0'; |
| 1548 |
} |
| 1549 |
|
| 1550 |
return retlen; |
| 1551 |
} |
| 1552 |
|
| 1553 |
void |
| 1554 |
session_pause_return(struct session *s, char enforce, char *msg) |
| 1555 |
{ |
| 1556 |
unsigned char c; |
| 1557 |
|
| 1558 |
session_printf(s, "{{/B}}Press "); |
| 1559 |
if (enforce == 0 || enforce == '\r') |
| 1560 |
session_printf(s, "{{B}}<Enter>{{/B}} "); |
| 1561 |
else if (enforce == CONTROL_C) |
| 1562 |
session_printf(s, "{{B}}^C{{/B}} "); |
| 1563 |
else |
| 1564 |
session_printf(s, "{{B}}%c{{/B}} ", enforce); |
| 1565 |
|
| 1566 |
if (msg) |
| 1567 |
session_printf(s, msg); |
| 1568 |
else |
| 1569 |
session_printf(s, "to return to the main menu..."); |
| 1570 |
session_flush(s); |
| 1571 |
|
| 1572 |
for (;;) { |
| 1573 |
c = session_input_char(s); |
| 1574 |
if (s->ending) |
| 1575 |
return; |
| 1576 |
if (c == 0) |
| 1577 |
continue; |
| 1578 |
if (enforce == 0 || enforce == c) |
| 1579 |
break; |
| 1580 |
} |
| 1581 |
session_output(s, "\r\n", 2); |
| 1582 |
session_flush(s); |
| 1583 |
} |
| 1584 |
|
| 1585 |
void |
| 1586 |
session_page_sysop(struct session *s) |
| 1587 |
{ |
| 1588 |
char *message = NULL; |
| 1589 |
|
| 1590 |
session_printf(s, "{{B}}Page Sysop{{/B}} " |
| 1591 |
"(^C to cancel)\r\n" |
| 1592 |
"{{B}}-------------------------{{/B}}\r\n"); |
| 1593 |
session_output_view_or_printf(s, DB_VIEW_PAGE_SYSOP, |
| 1594 |
"(Instructions missing)\r\n"); |
| 1595 |
session_flush(s); |
| 1596 |
|
| 1597 |
session_printf(s, "{{B}}Message:{{/B}} "); |
| 1598 |
session_flush(s); |
| 1599 |
message = session_field_input(s, 64, 64, NULL, false, 0); |
| 1600 |
session_output(s, "\r\n", 2); |
| 1601 |
session_flush(s); |
| 1602 |
|
| 1603 |
if (message == NULL || s->ending) |
| 1604 |
goto page_done; |
| 1605 |
|
| 1606 |
session_logf(s, "Paging sysop: %s", message); |
| 1607 |
|
| 1608 |
progress("Page from %s: %s", |
| 1609 |
s->user ? s->user->username : GUEST_USERNAME, message); |
| 1610 |
SysBeep(30); |
| 1611 |
uthread_yield(); |
| 1612 |
|
| 1613 |
chat_start(s, CHAT_WITH_SYSOP); |
| 1614 |
|
| 1615 |
page_done: |
| 1616 |
progress(NULL); |
| 1617 |
|
| 1618 |
if (message != NULL) |
| 1619 |
xfree(&message); |
| 1620 |
} |
| 1621 |
|
| 1622 |
struct session * |
| 1623 |
session_first_waiting_for_sysop(void) |
| 1624 |
{ |
| 1625 |
short n; |
| 1626 |
|
| 1627 |
for (n = 0; n < MAX_SESSIONS; n++) { |
| 1628 |
if (sessions[n] == NULL || !sessions[n]->logged_in || |
| 1629 |
!sessions[n]->chatting) |
| 1630 |
continue; |
| 1631 |
if (strcmp(sessions[n]->chatting_with_node, CHAT_WITH_SYSOP) != 0) |
| 1632 |
continue; |
| 1633 |
|
| 1634 |
return sessions[n]; |
| 1635 |
} |
| 1636 |
|
| 1637 |
return NULL; |
| 1638 |
} |
| 1639 |
|
| 1640 |
void |
| 1641 |
session_answer_page(struct session *s) |
| 1642 |
{ |
| 1643 |
struct session *waiting; |
| 1644 |
|
| 1645 |
waiting = session_first_waiting_for_sysop(); |
| 1646 |
if (waiting == NULL) { |
| 1647 |
session_printf(s, "No users waiting to chat.\r\n"); |
| 1648 |
session_flush(s); |
| 1649 |
return; |
| 1650 |
} |
| 1651 |
|
| 1652 |
progress(NULL); |
| 1653 |
session_logf(s, "Answering page from %s on %s", |
| 1654 |
waiting->user ? waiting->user->username : GUEST_USERNAME, |
| 1655 |
waiting->node); |
| 1656 |
|
| 1657 |
/* point paging user's chatting_with_node to ours */ |
| 1658 |
strlcpy(waiting->chatting_with_node, s->node, |
| 1659 |
sizeof(waiting->chatting_with_node)); |
| 1660 |
|
| 1661 |
/* and join the party */ |
| 1662 |
chat_start(s, waiting->node); |
| 1663 |
} |
| 1664 |
|
| 1665 |
void |
| 1666 |
session_print_motd(struct session *s, bool force) |
| 1667 |
{ |
| 1668 |
struct bile_object *o; |
| 1669 |
unsigned long last_seen_motd = 0, motd_id = 0; |
| 1670 |
size_t size; |
| 1671 |
char *view = NULL, *output = NULL; |
| 1672 |
|
| 1673 |
if (s->user) |
| 1674 |
last_seen_motd = s->user->last_motd_seen; |
| 1675 |
|
| 1676 |
o = bile_get_nth_of_type(db->bile, 0, DB_MOTD_RTYPE); |
| 1677 |
if (o == NULL || (!force && o->id <= last_seen_motd)) { |
| 1678 |
if (o) |
| 1679 |
xfree(&o); |
| 1680 |
return; |
| 1681 |
} |
| 1682 |
motd_id = o->id; |
| 1683 |
|
| 1684 |
view = xmalloc(o->size + 1); |
| 1685 |
if (view == NULL) { |
| 1686 |
s->ending = true; |
| 1687 |
xfree(&o); |
| 1688 |
return; |
| 1689 |
} |
| 1690 |
size = bile_read_object(db->bile, o, view, o->size); |
| 1691 |
view[size] = '\0'; |
| 1692 |
xfree(&o); |
| 1693 |
|
| 1694 |
size = session_expand_template(s, view, &output); |
| 1695 |
xfree(&view); |
| 1696 |
if (!size) |
| 1697 |
return; |
| 1698 |
|
| 1699 |
session_output(s, "\r\n", 2); |
| 1700 |
session_output(s, output, size); |
| 1701 |
session_output(s, "\r\n\r\n", 4); |
| 1702 |
xfree(&output); |
| 1703 |
|
| 1704 |
session_pause_return(s, 0, "to continue..."); |
| 1705 |
|
| 1706 |
if (s->user && !force) { |
| 1707 |
s->user->last_motd_seen = motd_id; |
| 1708 |
user_save(s->user); |
| 1709 |
} |
| 1710 |
} |
| 1711 |
|
| 1712 |
void |
| 1713 |
session_recents(struct session *s) |
| 1714 |
{ |
| 1715 |
struct session_log slog; |
| 1716 |
struct tm *date_tm; |
| 1717 |
size_t scount, rsize, *ids; |
| 1718 |
char sdate[12]; |
| 1719 |
short printed; |
| 1720 |
|
| 1721 |
session_printf(s, "{{B}}Recent Logins{{/B}}\r\n"); |
| 1722 |
session_printf(s, |
| 1723 |
"{{B}}Date User Via Speed Location{{/B}}\r\n"); |
| 1724 |
session_flush(s); |
| 1725 |
|
| 1726 |
scount = bile_sorted_ids_by_type(db->sessions_bile, SL_LOG_RTYPE, |
| 1727 |
&ids); |
| 1728 |
for (printed = 0; printed < 10 && printed < scount; printed++) { |
| 1729 |
rsize = bile_read(db->sessions_bile, SL_LOG_RTYPE, |
| 1730 |
ids[scount - 1 - printed], (char *)&slog, sizeof(slog)); |
| 1731 |
if (rsize != sizeof(slog)) |
| 1732 |
panic("unexpected bile_read response %d (read %ld, " |
| 1733 |
"expected %ld)", bile_error(db->sessions_bile), rsize, |
| 1734 |
sizeof(slog)); |
| 1735 |
|
| 1736 |
date_tm = localtime((time_t *)&slog.logged_on_at); |
| 1737 |
strftime(sdate, sizeof(sdate), "%m/%d", date_tm); |
| 1738 |
|
| 1739 |
session_printf(s, "%-5s %-20s %-7s %-6u %-32s\r\n", |
| 1740 |
sdate, |
| 1741 |
slog.username, |
| 1742 |
slog.via, |
| 1743 |
slog.tspeed, |
| 1744 |
slog.location); |
| 1745 |
} |
| 1746 |
|
| 1747 |
session_output(s, "\r\n", 2); |
| 1748 |
session_flush(s); |
| 1749 |
session_pause_return(s, 0, NULL); |
| 1750 |
|
| 1751 |
xfree(&ids); |
| 1752 |
} |
| 1753 |
|
| 1754 |
void |
| 1755 |
session_who(struct session *s) |
| 1756 |
{ |
| 1757 |
char idle_s[20]; |
| 1758 |
char username[20]; |
| 1759 |
unsigned long idle; |
| 1760 |
short n; |
| 1761 |
|
| 1762 |
session_printf(s, "{{B}}Who's Online{{/B}}\r\n"); |
| 1763 |
session_printf(s, |
| 1764 |
"{{B}}Node User Via Speed Cur Area Idle Location{{/B}}\r\n"); |
| 1765 |
session_flush(s); |
| 1766 |
|
| 1767 |
for (n = 0; n < MAX_SESSIONS; n++) { |
| 1768 |
if (sessions[n] == NULL || !sessions[n]->logged_in) |
| 1769 |
continue; |
| 1770 |
|
| 1771 |
idle = Time - sessions[n]->last_input_at; |
| 1772 |
if (idle < 60) |
| 1773 |
snprintf(idle_s, sizeof(idle_s), "%lus", idle); |
| 1774 |
else if (idle < (60 * 60)) |
| 1775 |
snprintf(idle_s, sizeof(idle_s), "%lum", idle / 60); |
| 1776 |
else if (idle < (60 * 60 * 24)) |
| 1777 |
snprintf(idle_s, sizeof(idle_s), "%luh", idle / (60 * 60)); |
| 1778 |
else |
| 1779 |
snprintf(idle_s, sizeof(idle_s), "%lud", idle / (60 * 60 * 24)); |
| 1780 |
|
| 1781 |
snprintf(username, sizeof(username), "%s%s", |
| 1782 |
sessions[n]->user ? sessions[n]->user->username : GUEST_USERNAME, |
| 1783 |
sessions[n]->user && sessions[n]->user->is_sysop ? " (sysop)" : ""); |
| 1784 |
|
| 1785 |
session_printf(s, "%-7s %-17s %-7s %-6u %-10s %-5s %-22s\r\n", |
| 1786 |
sessions[n]->node, |
| 1787 |
username, |
| 1788 |
sessions[n]->via, |
| 1789 |
sessions[n]->tspeed, |
| 1790 |
area_labels[sessions[n]->area], |
| 1791 |
idle_s, |
| 1792 |
sessions[n]->location); |
| 1793 |
} |
| 1794 |
|
| 1795 |
session_output(s, "\r\n", 2); |
| 1796 |
session_flush(s); |
| 1797 |
session_pause_return(s, 0, NULL); |
| 1798 |
} |
| 1799 |
|
| 1800 |
char |
| 1801 |
session_menu(struct session *s, char *title, char *prompt, |
| 1802 |
char *prompt_help, const struct session_menu_option *opts, |
| 1803 |
size_t nopts, bool show_opts, char *number_prompt, short *ret_number) |
| 1804 |
{ |
| 1805 |
size_t n; |
| 1806 |
short j, num; |
| 1807 |
unsigned short c; |
| 1808 |
char cn[2], *num_input = NULL; |
| 1809 |
short invalids = 0; |
| 1810 |
|
| 1811 |
if (show_opts && title != NULL) { |
| 1812 |
session_printf(s, "{{B}}%s{{/B}}\r\n", title); |
| 1813 |
session_flush(s); |
| 1814 |
} |
| 1815 |
|
| 1816 |
print_options: |
| 1817 |
if (show_opts) { |
| 1818 |
for (n = 0; n < nopts; n++) { |
| 1819 |
if (opts[n].key[0] == '\0') |
| 1820 |
continue; |
| 1821 |
session_printf(s, "{{B}}%c{{/B}}: %s\r\n", opts[n].key[0], |
| 1822 |
opts[n].title); |
| 1823 |
} |
| 1824 |
session_flush(s); |
| 1825 |
} |
| 1826 |
|
| 1827 |
#if 0 |
| 1828 |
if (prompt_help) { |
| 1829 |
session_printf(s, "{{B}}%s{{/B}}\r\n", prompt_help); |
| 1830 |
session_flush(s); |
| 1831 |
} |
| 1832 |
#endif |
| 1833 |
|
| 1834 |
for (;;) { |
| 1835 |
show_prompt: |
| 1836 |
session_printf(s, "{{B}}%s>{{/B}} ", prompt); |
| 1837 |
session_flush(s); |
| 1838 |
|
| 1839 |
get_menu_option: |
| 1840 |
uthread_yield(); |
| 1841 |
c = session_input_char(s); |
| 1842 |
if (s->ending) |
| 1843 |
return 0; |
| 1844 |
if (c == '\r' || c == 0 || c > 255) |
| 1845 |
goto get_menu_option; |
| 1846 |
|
| 1847 |
for (n = 0; n < nopts; n++) { |
| 1848 |
if (opts[n].ret == '#' && c >= '0' && c <= '9') { |
| 1849 |
session_printf(s, "%s:%s>%s ", |
| 1850 |
ansi(s, ANSI_BACKSPACE, ANSI_BACKSPACE, |
| 1851 |
ANSI_BOLD, ANSI_END), number_prompt, |
| 1852 |
ansi(s, ANSI_RESET, ANSI_END)); |
| 1853 |
session_flush(s); |
| 1854 |
|
| 1855 |
cn[0] = c; |
| 1856 |
cn[1] = '\0'; |
| 1857 |
num_input = session_field_input(s, 4, 3, (char *)&cn, |
| 1858 |
false, 0); |
| 1859 |
session_printf(s, "\r\n"); |
| 1860 |
session_flush(s); |
| 1861 |
if (num_input == NULL) |
| 1862 |
goto show_prompt; |
| 1863 |
if (num_input[0] == '\0') { |
| 1864 |
xfree(&num_input); |
| 1865 |
goto show_prompt; |
| 1866 |
} |
| 1867 |
num = atoi(num_input); |
| 1868 |
xfree(&num_input); |
| 1869 |
*ret_number = num; |
| 1870 |
return opts[n].ret; |
| 1871 |
} |
| 1872 |
|
| 1873 |
for (j = 0; ; j++) { |
| 1874 |
if (opts[n].key[j] == '\0') |
| 1875 |
break; |
| 1876 |
if (opts[n].key[j] == c) { |
| 1877 |
session_printf(s, "%c\r\n", c); |
| 1878 |
session_flush(s); |
| 1879 |
return opts[n].ret; |
| 1880 |
} |
| 1881 |
} |
| 1882 |
} |
| 1883 |
|
| 1884 |
/* |
| 1885 |
* Avoid a constant back-and-forth of the user's session spewing |
| 1886 |
* bogus characters and us having to print 'invalid option' over |
| 1887 |
* and over. |
| 1888 |
*/ |
| 1889 |
if (invalids > 3) |
| 1890 |
goto get_menu_option; |
| 1891 |
|
| 1892 |
session_printf(s, "%c\r\n", c); |
| 1893 |
session_printf(s, invalid_option_help); |
| 1894 |
session_flush(s); |
| 1895 |
invalids++; |
| 1896 |
} |
| 1897 |
} |
| 1898 |
|
| 1899 |
void |
| 1900 |
session_prune_logs(short days) |
| 1901 |
{ |
| 1902 |
struct bile_object *obj; |
| 1903 |
struct session_log log; |
| 1904 |
size_t n, size = 0, count = 0, delta; |
| 1905 |
unsigned long secs, *ids = NULL; |
| 1906 |
|
| 1907 |
if (days < 1) |
| 1908 |
return; |
| 1909 |
|
| 1910 |
secs = (60UL * 60UL * 24UL * (unsigned long)days); |
| 1911 |
|
| 1912 |
logger_printf("[db] Pruning session logs older than %d days", days); |
| 1913 |
|
| 1914 |
for (n = 0; |
| 1915 |
(obj = bile_get_nth_of_type(db->sessions_bile, n, SL_LOG_RTYPE)); |
| 1916 |
n++) { |
| 1917 |
bile_read_object(db->sessions_bile, obj, &log, sizeof(log)); |
| 1918 |
|
| 1919 |
delta = Time - log.logged_on_at; |
| 1920 |
if (delta > secs) { |
| 1921 |
if (!grow_to_fit(&ids, &size, count * sizeof(unsigned long), |
| 1922 |
sizeof(unsigned long), 10 * sizeof(unsigned long))) |
| 1923 |
break; |
| 1924 |
ids[count++] = obj->id; |
| 1925 |
} |
| 1926 |
|
| 1927 |
xfree(&obj); |
| 1928 |
} |
| 1929 |
|
| 1930 |
uthread_yield(); |
| 1931 |
|
| 1932 |
if (count) { |
| 1933 |
logger_printf("[db] Deleting %ld of %ld log entries", count, n); |
| 1934 |
|
| 1935 |
for (n = 0; n < count; n++) |
| 1936 |
bile_delete(db->sessions_bile, SL_LOG_RTYPE, ids[n], 0); |
| 1937 |
bile_write_map(db->sessions_bile); |
| 1938 |
} |
| 1939 |
|
| 1940 |
if (ids) |
| 1941 |
xfree(&ids); |
| 1942 |
} |