citadel/user_ops.c

   1 /* needed to properly enable crypt() stuff on some systems */
   2 #define _XOPEN_SOURCE
   3 /* needed for str[n]casecmp() on some systems if the above is defined */
   4 #define _XOPEN_SOURCE_EXTENDED
   5 /* needed to enable threads on some systems if the above are defined */
   6 #define _POSIX_C_SOURCE 199506L
   7
   8 #include <stdlib.h>
   9 #include <unistd.h>
  10 #include <stdio.h>
  11 #include <fcntl.h>
  12 #include <signal.h>
  13 #include <pwd.h>
  14 #include <sys/types.h>
  15 #include <sys/time.h>
  16 #include <string.h>
  17 #include <syslog.h>
  18 #include <limits.h>
  19 #include <pthread.h>
  20 #include "citadel.h"
  21 #include "server.h"
  22 #include "database.h"
  23 #include "user_ops.h"
  24 #include "sysdep_decls.h"
  25 #include "support.h"
  26 #include "room_ops.h"
  27 #include "logging.h"
  28 #include "file_ops.h"
  29 #include "control.h"
  30 #include "msgbase.h"
  31 #include "config.h"
  32 #include "dynloader.h"
  33 #include "sysdep.h"
  34
  35
  36 /*
  37  * getuser()  -  retrieve named user into supplied buffer.
  38  *               returns 0 on success
  39  */
  40 int getuser(struct usersupp *usbuf, char name[]) {
  41
  42         char lowercase_name[32];
  43         int a;
  44         struct cdbdata *cdbus;
  45
  46         bzero(usbuf, sizeof(struct usersupp));
  47         for (a=0; a<=strlen(name); ++a) {
  48                 lowercase_name[a] = tolower(name[a]);
  49                 }
  50
  51         cdbus = cdb_fetch(CDB_USERSUPP, lowercase_name, strlen(lowercase_name));
  52         if (cdbus == NULL) {
  53                 return(1);      /* user not found */
  54                 }
  55
  56         memcpy(usbuf, cdbus->ptr,
  57                 ( (cdbus->len > sizeof(struct usersupp)) ?
  58                 sizeof(struct usersupp) : cdbus->len) );
  59         cdb_free(cdbus);
  60         return(0);
  61         }
  62
  63
  64 /*
  65  * lgetuser()  -  same as getuser() but locks the record
  66  */
  67 int lgetuser(struct usersupp *usbuf, char *name)
  68 {
  69         int retcode;
  70
  71         retcode = getuser(usbuf,name);
  72         if (retcode == 0) {
  73                 begin_critical_section(S_USERSUPP);
  74                 }
  75         return(retcode);
  76         }
  77
  78
  79 /*
  80  * putuser()  -  write user buffer into the correct place on disk
  81  */
  82 void putuser(struct usersupp *usbuf, char *name)
  83 {
  84         char lowercase_name[32];
  85         int a;
  86
  87         for (a=0; a<=strlen(name); ++a) {
  88                 lowercase_name[a] = tolower(name[a]);
  89                 }
  90
  91         cdb_store(CDB_USERSUPP,
  92                 lowercase_name, strlen(lowercase_name),
  93                 usbuf, sizeof(struct usersupp));
  94
  95         }
  96
  97
  98 /*
  99  * lputuser()  -  same as putuser() but locks the record
 100  */
 101 void lputuser(struct usersupp *usbuf, char *name) {
 102         putuser(usbuf,name);
 103         end_critical_section(S_USERSUPP);
 104         }
 105
 106
 107 /*
 108  * Define a relationship between a user and a room
 109  */
 110 void CtdlSetRelationship(struct visit *newvisit,
 111                         struct usersupp *rel_user,
 112                         struct quickroom *rel_room) {
 113
 114         struct cdbdata *cdbvisit;
 115         struct visit *visits;
 116         int num_visits;
 117         int a;
 118         int replaced = 0;
 119
 120         cdbvisit = cdb_fetch(CDB_VISIT, &rel_user->usernum, sizeof(long));
 121         if (cdbvisit != NULL) {
 122                 num_visits = cdbvisit->len / sizeof(struct visit);
 123                 visits = (struct visit *)
 124                         malloc(num_visits * sizeof(struct visit));
 125                 memcpy(visits, cdbvisit->ptr,
 126                         (num_visits * sizeof(struct visit)));
 127                 cdb_free(cdbvisit);
 128                 }
 129         else {
 130                 num_visits = 0;
 131                 visits = NULL;
 132                 }
 133
 134         /* Replace an existing relationship if possible */
 135         if (num_visits > 0) for (a=0; a<num_visits; ++a) {
 136                 if ( (!strcasecmp(visits[a].v_roomname, rel_room->QRname))
 137                    && (visits[a].v_generation == rel_room->QRgen) ) {
 138                         memcpy(&visits[a], newvisit, sizeof(struct visit));
 139                         replaced = 1;
 140                         }
 141                 }
 142
 143         /* Otherwise, define a new one */
 144         if (replaced == 0) {
 145                 ++num_visits;
 146                 visits = realloc(visits,
 147                         (num_visits * sizeof(struct visit)));
 148                 memcpy(&visits[num_visits-1], newvisit, sizeof(struct visit));
 149                 }
 150
 151         /* Now write the relationship back to disk */
 152         cdb_store(CDB_VISIT,
 153                 &rel_user->usernum, sizeof(long),
 154                 visits,
 155                 (num_visits * sizeof(struct visit)));
 156         free(visits);
 157         }
 158
 159 /*
 160  * Locate a relationship between a user and a room
 161  */
 162 void CtdlGetRelationship(struct visit *vbuf,
 163                         struct usersupp *rel_user,
 164                         struct quickroom *rel_room) {
 165
 166         struct cdbdata *cdbvisit;
 167         struct visit *visits;
 168         int num_visits;
 169         int a;
 170
 171         bzero(vbuf, sizeof(struct visit));
 172         strcpy(vbuf->v_roomname, rel_room->QRname);
 173         vbuf->v_generation = rel_room->QRgen;
 174
 175         cdbvisit = cdb_fetch(CDB_VISIT, &rel_user->usernum, sizeof(long));
 176         if (cdbvisit != NULL) {
 177                 if ((num_visits = cdbvisit->len / sizeof(struct visit)) == 0) {
 178                         cdb_free(cdbvisit);
 179                         return;
 180                 }
 181                 visits = (struct visit *)
 182                         malloc(num_visits * sizeof(struct visit));
 183                 memcpy(visits, cdbvisit->ptr,
 184                         (num_visits * sizeof(struct visit)));
 185                 cdb_free(cdbvisit);
 186                 }
 187         else return;
 188
 189         for (a=0; a<num_visits; ++a) {
 190
 191                 if ( (!strcasecmp(visits[a].v_roomname, rel_room->QRname))
 192                    && (visits[a].v_generation == rel_room->QRgen) ) {
 193                         memcpy(vbuf, &visits[a], sizeof(struct visit));
 194                         }
 195                 }
 196
 197         free(visits);
 198         }
 199
 200
 201 void PurgeStaleRelationships(void) {
 202
 203         struct cdbdata *cdbvisit;
 204         struct visit *visits;
 205         struct quickroom qrbuf;
 206         int num_visits;
 207         int a, purge;
 208
 209         cdbvisit = cdb_fetch(CDB_VISIT, &CC->usersupp.usernum, sizeof(long));
 210         if (cdbvisit != NULL) {
 211                 if ((num_visits = cdbvisit->len / sizeof(struct visit)) == 0) {
 212                         cdb_free(cdbvisit);
 213                         return;
 214                         }
 215                 visits = (struct visit *)
 216                         malloc(num_visits * sizeof(struct visit));
 217                 memcpy(visits, cdbvisit->ptr,
 218                         (num_visits * sizeof(struct visit)));
 219                 cdb_free(cdbvisit);
 220                 }
 221         else return;
 222
 223         for (a=0; a<num_visits; ++a) {
 224                 if (getroom(&qrbuf, visits[a].v_roomname)!=0) {
 225                         purge = 1;
 226                         }
 227                 else if (qrbuf.QRgen != visits[a].v_generation) {
 228                         purge = 1;
 229                         }
 230                 else {
 231                         purge = 0;
 232                         }
 233                 lprintf(9, "U/R REL: <%s> <%ld> <%ld> <%d> %s\n",
 234                         visits[a].v_roomname,
 235                         visits[a].v_generation,
 236                         visits[a].v_lastseen,
 237                         visits[a].v_flags,
 238                         (purge ? "**purging**" : "") );
 239
 240                 if (purge) {
 241                         memcpy(&visits[a], &visits[a+1],
 242                                 (((num_visits-a)-1) * sizeof(struct visit)) );
 243                         --num_visits;
 244                         }
 245
 246                 }
 247
 248         cdb_store(CDB_VISIT, &CC->usersupp.usernum, sizeof(long),
 249                         visits, (num_visits * sizeof(struct visit)));
 250         free(visits);
 251         }
 252
 253
 254
 255 void MailboxName(char *buf, struct usersupp *who, char *prefix) {
 256         sprintf(buf, "%010ld.%s", who->usernum, prefix);
 257         }
 258
 259
 260 /*
 261  * Is the user currently logged in an Aide?
 262  */
 263 int is_aide(void) {
 264         if (CC->usersupp.axlevel >= 6) return(1);
 265         else return(0);
 266         }
 267
 268
 269 /*
 270  * Is the user currently logged in an Aide *or* the room aide for this room?
 271  */
 272 int is_room_aide(void) {
 273         if ( (CC->usersupp.axlevel >= 6)
 274            || (CC->quickroom.QRroomaide == CC->usersupp.usernum) ) {
 275                 return(1);
 276                 }
 277         else {
 278                 return(0);
 279                 }
 280         }
 281
 282 /*
 283  * getuserbynumber()  -  get user by number
 284  *                       returns 0 if user was found
 285  */
 286 int getuserbynumber(struct usersupp *usbuf, long int number)
 287 {
 288         struct cdbdata *cdbus;
 289
 290         cdb_rewind(CDB_USERSUPP);
 291
 292         while(cdbus = cdb_next_item(CDB_USERSUPP), cdbus != NULL) {
 293                 bzero(usbuf, sizeof(struct usersupp));
 294                 memcpy(usbuf, cdbus->ptr,
 295                         ( (cdbus->len > sizeof(struct usersupp)) ?
 296                         sizeof(struct usersupp) : cdbus->len) );
 297                 cdb_free(cdbus);
 298                 if (usbuf->usernum == number) {
 299                         return(0);
 300                         }
 301                 }
 302         return(-1);
 303         }
 304
 305
 306 /*
 307  * USER cmd
 308  */
 309 void cmd_user(char *cmdbuf)
 310 {
 311         char username[256];
 312         char autoname[256];
 313         int found_user = 0;
 314         struct passwd *p;
 315         int a;
 316
 317         extract(username,cmdbuf,0);
 318         username[25] = 0;
 319         strproc(username);
 320
 321         if ((CC->logged_in)) {
 322                 cprintf("%d Already logged in.\n",ERROR);
 323                 return;
 324                 }
 325
 326         found_user = getuser(&CC->usersupp,username);
 327         if (found_user != 0) {
 328                 p = (struct passwd *)getpwnam(username);
 329                 if (p!=NULL) {
 330                         strcpy(autoname,p->pw_gecos);
 331                         for (a=0; a<strlen(autoname); ++a)
 332                                 if (autoname[a]==',') autoname[a]=0;
 333                         found_user = getuser(&CC->usersupp,autoname);
 334                         }
 335                 }
 336         if (found_user == 0) {
 337                 if (((CC->nologin)) && (CC->usersupp.axlevel < 6)) {
 338                         cprintf("%d %s: Too many users are already online (maximum is %d)\n",
 339                         ERROR+MAX_SESSIONS_EXCEEDED,
 340                         config.c_nodename,config.c_maxsessions);
 341                         }
 342                 else {
 343                         strcpy(CC->curr_user,CC->usersupp.fullname);
 344                         cprintf("%d Password required for %s\n",
 345                                 MORE_DATA,CC->curr_user);
 346                         }
 347                 }
 348         else {
 349                 cprintf("%d %s not found.\n",ERROR,username);
 350                 }
 351         }
 352
 353
 354
 355 /*
 356  * session startup code which is common to both cmd_pass() and cmd_newu()
 357  */
 358 void session_startup(void) {
 359         syslog(LOG_NOTICE,"user <%s> logged in",CC->curr_user);
 360
 361         lgetuser(&CC->usersupp,CC->curr_user);
 362         ++(CC->usersupp.timescalled);
 363         CC->fake_username[0] = '\0';
 364         CC->fake_postname[0] = '\0';
 365         CC->fake_hostname[0] = '\0';
 366         CC->fake_roomname[0] = '\0';
 367         CC->last_pager[0] = '\0';
 368         time(&CC->usersupp.lastcall);
 369
 370         /* If this user's name is the name of the system administrator
 371          * (as specified in setup), automatically assign access level 6.
 372          */
 373         if (!strcasecmp(CC->usersupp.fullname, config.c_sysadm)) {
 374                 CC->usersupp.axlevel = 6;
 375                 }
 376
 377         lputuser(&CC->usersupp,CC->curr_user);
 378
 379         /* Run any cleanup routines registered by loadable modules */
 380         PerformSessionHooks(EVT_LOGIN);
 381
 382         cprintf("%d %s|%d|%d|%d|%u|%ld\n",OK,CC->usersupp.fullname,CC->usersupp.axlevel,
 383                 CC->usersupp.timescalled,CC->usersupp.posted,CC->usersupp.flags,
 384                 CC->usersupp.usernum);
 385         usergoto(BASEROOM,0);           /* Enter the lobby */
 386         rec_log(CL_LOGIN,CC->curr_user);
 387         }
 388
 389
 390 /*
 391  * misc things to be taken care of when a user is logged out
 392  */
 393 void logout(struct CitContext *who)
 394 {
 395         who->logged_in = 0;
 396         if (who->download_fp != NULL) {
 397                 fclose(who->download_fp);
 398                 who->download_fp = NULL;
 399                 }
 400         if (who->upload_fp != NULL) {
 401                 abort_upl(who);
 402                 }
 403
 404         /* Do modular stuff... */
 405         PerformSessionHooks(EVT_LOGOUT);
 406         }
 407
 408
 409 void cmd_pass(char *buf)
 410 {
 411         char password[256];
 412         int code;
 413         struct passwd *p;
 414
 415         extract(password,buf,0);
 416
 417         if ((CC->logged_in)) {
 418                 cprintf("%d Already logged in.\n",ERROR);
 419                 return;
 420                 }
 421         if (!strcmp(CC->curr_user,"")) {
 422                 cprintf("%d You must send a name with USER first.\n",ERROR);
 423                 return;
 424                 }
 425         if (getuser(&CC->usersupp,CC->curr_user)) {
 426                 cprintf("%d Can't find user record!\n",ERROR+INTERNAL_ERROR);
 427                 return;
 428                 }
 429
 430         code = (-1);
 431         if (CC->usersupp.USuid == BBSUID) {
 432                 strproc(password);
 433                 strproc(CC->usersupp.password);
 434                 code = strcasecmp(CC->usersupp.password,password);
 435                 }
 436         else {
 437                 p = (struct passwd *)getpwuid(CC->usersupp.USuid);
 438 #ifdef ENABLE_AUTOLOGIN
 439                 if (p!=NULL) {
 440                         if (!strcmp(p->pw_passwd,
 441                            (char *)crypt(password,p->pw_passwd))) {
 442                                 code = 0;
 443                                 lgetuser(&CC->usersupp, CC->curr_user);
 444                                 strcpy(CC->usersupp.password, password);
 445                                 lputuser(&CC->usersupp, CC->curr_user);
 446                                 }
 447                         }
 448 #endif
 449                 }
 450
 451         if (!code) {
 452                 (CC->logged_in) = 1;
 453                 session_startup();
 454                 }
 455         else {
 456                 cprintf("%d Wrong password.\n",ERROR);
 457                 rec_log(CL_BADPW,CC->curr_user);
 458                 }
 459         }
 460
 461
 462 /*
 463  * Delete a user record *and* all of its related resources.
 464  */
 465 int purge_user(char *pname) {
 466         char filename[64];
 467         char mailboxname[ROOMNAMELEN];
 468         struct usersupp usbuf;
 469         struct quickroom qrbuf;
 470
 471         if (getuser(&usbuf, pname) != 0) {
 472                 lprintf(5, "Cannot purge user <%s> - not found\n", pname);
 473                 return(ERROR+NO_SUCH_USER);
 474                 }
 475
 476         /* FIX   Don't delete a user who is currently logged in. */
 477
 478         /* Perform any purge functions registered by server extensions */
 479         PerformUserHooks(usbuf.fullname, usbuf.usernum, EVT_PURGEUSER);
 480
 481         /* delete any existing user/room relationships */
 482         cdb_delete(CDB_VISIT, &usbuf.usernum, sizeof(long));
 483
 484         /* Delete the user's mailbox and its contents */
 485         MailboxName(mailboxname, &usbuf, MAILROOM);
 486         if (getroom(&qrbuf, mailboxname)==0) {
 487                 delete_room(&qrbuf);
 488                 }
 489
 490         /* delete the userlog entry */
 491         cdb_delete(CDB_USERSUPP, pname, strlen(pname));
 492
 493         /* remove the user's bio file */
 494         sprintf(filename, "./bio/%ld", usbuf.usernum);
 495         unlink(filename);
 496
 497         /* remove the user's picture */
 498         sprintf(filename, "./userpics/%ld.gif", usbuf.usernum);
 499         unlink(filename);
 500
 501         return(0);
 502         }
 503
 504
 505 /*
 506  * create_user()  -  back end processing to create a new user
 507  */
 508 int create_user(char *newusername)
 509 {
 510         struct usersupp usbuf;
 511         int a;
 512         struct passwd *p = NULL;
 513         char username[64];
 514         char mailboxname[ROOMNAMELEN];
 515
 516         strcpy(username, newusername);
 517         strproc(username);
 518
 519 #ifdef ENABLE_AUTOLOGIN
 520         p = (struct passwd *)getpwnam(username);
 521 #endif
 522         if (p != NULL) {
 523                 strcpy(username, p->pw_gecos);
 524                 for (a=0; a<strlen(username); ++a) {
 525                         if (username[a] == ',') username[a] = 0;
 526                         }
 527                 CC->usersupp.USuid = p->pw_uid;
 528                 }
 529         else {
 530                 CC->usersupp.USuid = BBSUID;
 531                 }
 532
 533         if (!getuser(&usbuf,username)) {
 534                 return(ERROR+ALREADY_EXISTS);
 535                 }
 536
 537         strcpy(CC->curr_user,username);
 538         strcpy(CC->usersupp.fullname,username);
 539         strcpy(CC->usersupp.password,"");
 540         (CC->logged_in) = 1;
 541
 542         /* These are the default flags on new accounts */
 543         CC->usersupp.flags =
 544                 US_NEEDVALID|US_LASTOLD|US_DISAPPEAR|US_PAGINATOR|US_FLOORS;
 545
 546         CC->usersupp.timescalled = 0;
 547         CC->usersupp.posted = 0;
 548         CC->usersupp.axlevel = config.c_initax;
 549         CC->usersupp.USscreenwidth = 80;
 550         CC->usersupp.USscreenheight = 24;
 551         time(&CC->usersupp.lastcall);
 552         strcpy(CC->usersupp.USname, "");
 553         strcpy(CC->usersupp.USaddr, "");
 554         strcpy(CC->usersupp.UScity, "");
 555         strcpy(CC->usersupp.USstate, "");
 556         strcpy(CC->usersupp.USzip, "");
 557         strcpy(CC->usersupp.USphone, "");
 558
 559         /* fetch a new user number */
 560         CC->usersupp.usernum = get_new_user_number();
 561
 562         if (CC->usersupp.usernum == 1L) {
 563                 CC->usersupp.axlevel = 6;
 564                 }
 565
 566         /* add user to userlog */
 567         putuser(&CC->usersupp,CC->curr_user);
 568         if (getuser(&CC->usersupp,CC->curr_user)) {
 569                 return(ERROR+INTERNAL_ERROR);
 570                 }
 571
 572         /* give the user a private mailbox */
 573         MailboxName(mailboxname, &CC->usersupp, MAILROOM);
 574         create_room(mailboxname, 4, "", 0);
 575
 576         rec_log(CL_NEWUSER,CC->curr_user);
 577         return(0);
 578         }
 579
 580
 581
 582
 583 /*
 584  * cmd_newu()  -  create a new user account
 585  */
 586 void cmd_newu(char *cmdbuf)
 587 {
 588         int a;
 589         char username[256];
 590
 591         if ((CC->logged_in)) {
 592                 cprintf("%d Already logged in.\n",ERROR);
 593                 return;
 594                 }
 595
 596         if ((CC->nologin)) {
 597                 cprintf("%d %s: Too many users are already online (maximum is %d)\n",
 598                 ERROR+MAX_SESSIONS_EXCEEDED,
 599                 config.c_nodename,config.c_maxsessions);
 600                 }
 601
 602         extract(username,cmdbuf,0);
 603         username[25] = 0;
 604         strproc(username);
 605
 606         if (strlen(username)==0) {
 607                 cprintf("%d You must supply a user name.\n",ERROR);
 608                 return;
 609                 }
 610
 611         a = create_user(username);
 612         if ((!strcasecmp(username, "bbs")) ||
 613             (!strcasecmp(username, "new")) ||
 614             (!strcasecmp(username, ".")))
 615         {
 616            cprintf("%d '%s' is an invalid login name.\n", ERROR);
 617            return;
 618         }
 619         if (a==ERROR+ALREADY_EXISTS) {
 620                 cprintf("%d '%s' already exists.\n",
 621                         ERROR+ALREADY_EXISTS,username);
 622                 return;
 623                 }
 624         else if (a==ERROR+INTERNAL_ERROR) {
 625                 cprintf("%d Internal error - user record disappeared?\n",
 626                         ERROR+INTERNAL_ERROR);
 627                 return;
 628                 }
 629         else if (a==0) {
 630                 session_startup();
 631                 }
 632         else {
 633                 cprintf("%d unknown error\n",ERROR);
 634                 }
 635         rec_log(CL_NEWUSER,CC->curr_user);
 636         }
 637
 638
 639
 640 /*
 641  * set password
 642  */
 643 void cmd_setp(char *new_pw)
 644 {
 645         if (!(CC->logged_in)) {
 646                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 647                 return;
 648                 }
 649         if (CC->usersupp.USuid != BBSUID) {
 650                 cprintf("%d Not allowed.  Use the 'passwd' command.\n",ERROR);
 651                 return;
 652                 }
 653         strproc(new_pw);
 654         if (strlen(new_pw)==0) {
 655                 cprintf("%d Password unchanged.\n",OK);
 656                 return;
 657                 }
 658         lgetuser(&CC->usersupp,CC->curr_user);
 659         strcpy(CC->usersupp.password,new_pw);
 660         lputuser(&CC->usersupp,CC->curr_user);
 661         cprintf("%d Password changed.\n",OK);
 662         rec_log(CL_PWCHANGE,CC->curr_user);
 663         PerformSessionHooks(EVT_SETPASS);
 664         }
 665
 666 /*
 667  * get user parameters
 668  */
 669 void cmd_getu(void) {
 670         if (!(CC->logged_in)) {
 671                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 672                 return;
 673                 }
 674         getuser(&CC->usersupp,CC->curr_user);
 675         cprintf("%d %d|%d|%d\n",
 676                 OK,
 677                 CC->usersupp.USscreenwidth,
 678                 CC->usersupp.USscreenheight,
 679                 (CC->usersupp.flags & US_USER_SET)
 680                 );
 681         }
 682
 683 /*
 684  * set user parameters
 685  */
 686 void cmd_setu(char *new_parms)
 687 {
 688
 689         if (num_parms(new_parms)!=3) {
 690                 cprintf("%d Usage error.\n",ERROR);
 691                 return;
 692                 }
 693         if (!(CC->logged_in)) {
 694                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 695                 return;
 696                 }
 697         lgetuser(&CC->usersupp,CC->curr_user);
 698         CC->usersupp.USscreenwidth = extract_int(new_parms,0);
 699         CC->usersupp.USscreenheight = extract_int(new_parms,1);
 700         CC->usersupp.flags = CC->usersupp.flags & (~US_USER_SET);
 701         CC->usersupp.flags = CC->usersupp.flags |
 702                 (extract_int(new_parms,2) & US_USER_SET);
 703         lputuser(&CC->usersupp,CC->curr_user);
 704         cprintf("%d Ok\n",OK);
 705         }
 706
 707 /*
 708  * set last read pointer
 709  */
 710 void cmd_slrp(char *new_ptr)
 711 {
 712         long newlr;
 713         struct visit vbuf;
 714
 715         if (!(CC->logged_in)) {
 716                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 717                 return;
 718                 }
 719
 720         if (!strncasecmp(new_ptr,"highest",7)) {
 721                 newlr = CC->quickroom.QRhighest;
 722                 }
 723         else {
 724                 newlr = atol(new_ptr);
 725                 }
 726
 727         lgetuser(&CC->usersupp, CC->curr_user);
 728
 729         CtdlGetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
 730         vbuf.v_lastseen = newlr;
 731         CtdlSetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
 732
 733         lputuser(&CC->usersupp, CC->curr_user);
 734         cprintf("%d %ld\n",OK,newlr);
 735         }
 736
 737
 738 /*
 739  * INVT and KICK commands
 740  */
 741 void cmd_invt_kick(char *iuser, int op)
 742                         /* user name */
 743         {               /* 1 = invite, 0 = kick out */
 744         struct usersupp USscratch;
 745         char bbb[256];
 746         struct visit vbuf;
 747
 748         if (!(CC->logged_in)) {
 749                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 750                 return;
 751                 }
 752
 753         if (is_room_aide()==0) {
 754                 cprintf("%d Higher access required.\n",
 755                         ERROR+HIGHER_ACCESS_REQUIRED);
 756                 return;
 757                 }
 758
 759         if (lgetuser(&USscratch,iuser)!=0) {
 760                 cprintf("%d No such user.\n",ERROR);
 761                 return;
 762                 }
 763
 764         CtdlGetRelationship(&vbuf, &USscratch, &CC->quickroom);
 765
 766         if (op==1) {
 767                 vbuf.v_flags = vbuf.v_flags & ~V_FORGET & ~V_LOCKOUT;
 768                 vbuf.v_flags = vbuf.v_flags | V_ACCESS;
 769                 }
 770
 771         if (op==0) {
 772                 vbuf.v_flags = vbuf.v_flags & ~V_ACCESS;
 773                 vbuf.v_flags = vbuf.v_flags | V_FORGET | V_LOCKOUT;
 774                 }
 775
 776         CtdlSetRelationship(&vbuf, &USscratch, &CC->quickroom);
 777
 778         lputuser(&USscratch,iuser);
 779
 780         /* post a message in Aide> saying what we just did */
 781         sprintf(bbb,"%s %s %s> by %s",
 782                 iuser,
 783                 ((op == 1) ? "invited to" : "kicked out of"),
 784                 CC->quickroom.QRname,
 785                 CC->usersupp.fullname);
 786         aide_message(bbb);
 787
 788         cprintf("%d %s %s %s.\n",
 789                 OK, iuser,
 790                 ((op == 1) ? "invited to" : "kicked out of"),
 791                 CC->quickroom.QRname);
 792         return;
 793         }
 794
 795
 796 /*
 797  * forget (Zap) the current room
 798  */
 799 void cmd_forg(void) {
 800         struct visit vbuf;
 801
 802         if (!(CC->logged_in)) {
 803                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 804                 return;
 805                 }
 806
 807         if (is_aide()) {
 808                 cprintf("%d Aides cannot forget rooms.\n",ERROR);
 809                 return;
 810                 }
 811
 812         lgetuser(&CC->usersupp,CC->curr_user);
 813         CtdlGetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
 814
 815         vbuf.v_flags = vbuf.v_flags | V_FORGET;
 816
 817         CtdlSetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
 818         lputuser(&CC->usersupp,CC->curr_user);
 819         cprintf("%d Ok\n",OK);
 820         usergoto(BASEROOM, 0);
 821         }
 822
 823 /*
 824  * Get Next Unregistered User
 825  */
 826 void cmd_gnur(void) {
 827         struct cdbdata *cdbus;
 828         struct usersupp usbuf;
 829
 830         if (!(CC->logged_in)) {
 831                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 832                 return;
 833                 }
 834
 835         if (CC->usersupp.axlevel < 6) {
 836                 cprintf("%d Higher access required.\n",
 837                         ERROR+HIGHER_ACCESS_REQUIRED);
 838                 return;
 839                 }
 840
 841         if ((CitControl.MMflags&MM_VALID)==0) {
 842                 cprintf("%d There are no unvalidated users.\n",OK);
 843                 return;
 844                 }
 845
 846         /* There are unvalidated users.  Traverse the usersupp database,
 847          * and return the first user we find that needs validation.
 848          */
 849         cdb_rewind(CDB_USERSUPP);
 850         while (cdbus = cdb_next_item(CDB_USERSUPP), cdbus != NULL) {
 851                 bzero(&usbuf, sizeof(struct usersupp));
 852                 memcpy(&usbuf, cdbus->ptr,
 853                         ( (cdbus->len > sizeof(struct usersupp)) ?
 854                         sizeof(struct usersupp) : cdbus->len) );
 855                 cdb_free(cdbus);
 856                 if ((usbuf.flags & US_NEEDVALID)
 857                    &&(usbuf.axlevel > 0)) {
 858                         cprintf("%d %s\n",MORE_DATA,usbuf.fullname);
 859                         return;
 860                         }
 861                 }
 862
 863         /* If we get to this point, there are no more unvalidated users.
 864          * Therefore we clear the "users need validation" flag.
 865          */
 866
 867         begin_critical_section(S_CONTROL);
 868         get_control();
 869         CitControl.MMflags = CitControl.MMflags&(~MM_VALID);
 870         put_control();
 871         end_critical_section(S_CONTROL);
 872         cprintf("%d *** End of registration.\n",OK);
 873
 874
 875         }
 876
 877
 878 /*
 879  * get registration info for a user
 880  */
 881 void cmd_greg(char *who)
 882 {
 883         struct usersupp usbuf;
 884         int a,b;
 885         char pbuf[32];
 886
 887         if (!(CC->logged_in)) {
 888                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 889                 return;
 890                 }
 891
 892         if (!strcasecmp(who,"_SELF_")) strcpy(who,CC->curr_user);
 893
 894         if ((CC->usersupp.axlevel < 6) && (strcasecmp(who,CC->curr_user))) {
 895                 cprintf("%d Higher access required.\n",
 896                         ERROR+HIGHER_ACCESS_REQUIRED);
 897                 return;
 898                 }
 899
 900         if (getuser(&usbuf,who) != 0) {
 901                 cprintf("%d '%s' not found.\n",ERROR+NO_SUCH_USER,who);
 902                 return;
 903                 }
 904
 905         cprintf("%d %s\n",LISTING_FOLLOWS,usbuf.fullname);
 906         cprintf("%ld\n",usbuf.usernum);
 907         cprintf("%s\n",usbuf.password);
 908         cprintf("%s\n",usbuf.USname);
 909         cprintf("%s\n",usbuf.USaddr);
 910         cprintf("%s\n%s\n%s\n",
 911                 usbuf.UScity,usbuf.USstate,usbuf.USzip);
 912         strcpy(pbuf,usbuf.USphone);
 913         usbuf.USphone[0]=0;
 914         for (a=0; a<strlen(pbuf); ++a) {
 915                 if ((pbuf[a]>='0')&&(pbuf[a]<='9')) {
 916                         b=strlen(usbuf.USphone);
 917                         usbuf.USphone[b]=pbuf[a];
 918                         usbuf.USphone[b+1]=0;
 919                         }
 920                 }
 921         while(strlen(usbuf.USphone)<10) {
 922                 strcpy(pbuf,usbuf.USphone);
 923                 strcpy(usbuf.USphone," ");
 924                 strcat(usbuf.USphone,pbuf);
 925                 }
 926
 927         cprintf("(%c%c%c) %c%c%c-%c%c%c%c\n",
 928                 usbuf.USphone[0],usbuf.USphone[1],
 929                 usbuf.USphone[2],usbuf.USphone[3],
 930                 usbuf.USphone[4],usbuf.USphone[5],
 931                 usbuf.USphone[6],usbuf.USphone[7],
 932                 usbuf.USphone[8],usbuf.USphone[9]);
 933
 934         cprintf("%d\n",usbuf.axlevel);
 935         cprintf("%s\n",usbuf.USemail);
 936         cprintf("000\n");
 937         }
 938
 939 /*
 940  * validate a user
 941  */
 942 void cmd_vali(char *v_args)
 943 {
 944         char user[256];
 945         int newax;
 946         struct usersupp userbuf;
 947
 948         extract(user,v_args,0);
 949         newax = extract_int(v_args,1);
 950
 951         if (!(CC->logged_in)) {
 952                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 953                 return;
 954                 }
 955
 956         if (CC->usersupp.axlevel < 6) {
 957                 cprintf("%d Higher access required.\n",
 958                         ERROR+HIGHER_ACCESS_REQUIRED);
 959                 return;
 960                 }
 961
 962         if (lgetuser(&userbuf,user)!=0) {
 963                 cprintf("%d '%s' not found.\n",ERROR+NO_SUCH_USER,user);
 964                 return;
 965                 }
 966
 967         userbuf.axlevel = newax;
 968         userbuf.flags = (userbuf.flags & ~US_NEEDVALID);
 969
 970         lputuser(&userbuf,user);
 971
 972         /* If the access level was set to zero, delete the user */
 973         if (newax == 0) {
 974                 if (purge_user(user)==0) {
 975                         cprintf("%d %s Deleted.\n", OK, userbuf.fullname);
 976                         return;
 977                         }
 978                 }
 979
 980         cprintf("%d ok\n",OK);
 981         }
 982
 983
 984
 985 /*
 986  *  Traverse the user file...
 987  */
 988 void ForEachUser(void (*CallBack)(struct usersupp *EachUser)) {
 989         struct usersupp usbuf;
 990         struct cdbdata *cdbus;
 991
 992         cdb_rewind(CDB_USERSUPP);
 993
 994         while(cdbus = cdb_next_item(CDB_USERSUPP), cdbus != NULL) {
 995                 bzero(&usbuf, sizeof(struct usersupp));
 996                 memcpy(&usbuf, cdbus->ptr,
 997                         ( (cdbus->len > sizeof(struct usersupp)) ?
 998                         sizeof(struct usersupp) : cdbus->len) );
 999                 cdb_free(cdbus);
1000                 (*CallBack)(&usbuf);
1001                 }
1002         }
1003
1004
1005 /*
1006  * List one user (this works with cmd_list)
1007  */
1008 void ListThisUser(struct usersupp *usbuf) {
1009         if (usbuf->axlevel > 0) {
1010                 if ((CC->usersupp.axlevel>=6)
1011                    ||((usbuf->flags&US_UNLISTED)==0)
1012                    ||((CC->internal_pgm))) {
1013                         cprintf("%s|%d|%ld|%ld|%d|%d|",
1014                                 usbuf->fullname,
1015                                 usbuf->axlevel,
1016                                 usbuf->usernum,
1017                                 usbuf->lastcall,
1018                                 usbuf->timescalled,
1019                                 usbuf->posted);
1020                         if (CC->usersupp.axlevel >= 6)
1021                                 cprintf("%s",usbuf->password);
1022                         cprintf("\n");
1023                         }
1024                 }
1025         }
1026
1027 /*
1028  *  List users
1029  */
1030 void cmd_list(void) {
1031         cprintf("%d \n",LISTING_FOLLOWS);
1032         ForEachUser(ListThisUser);
1033         cprintf("000\n");
1034         }
1035
1036
1037 /*
1038  * enter registration info
1039  */
1040 void cmd_regi(void) {
1041         int a,b,c;
1042         char buf[256];
1043
1044         char tmpname[256];
1045         char tmpaddr[256];
1046         char tmpcity[256];
1047         char tmpstate[256];
1048         char tmpzip[256];
1049         char tmpphone[256];
1050         char tmpemail[256];
1051
1052         if (!(CC->logged_in)) {
1053                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
1054                 return;
1055                 }
1056
1057         strcpy(tmpname,"");
1058         strcpy(tmpaddr,"");
1059         strcpy(tmpcity,"");
1060         strcpy(tmpstate,"");
1061         strcpy(tmpzip,"");
1062         strcpy(tmpphone,"");
1063         strcpy(tmpemail,"");
1064
1065         cprintf("%d Send registration...\n",SEND_LISTING);
1066         a=0;
1067         while (client_gets(buf), strcmp(buf,"000")) {
1068                 if (a==0) strcpy(tmpname,buf);
1069                 if (a==1) strcpy(tmpaddr,buf);
1070                 if (a==2) strcpy(tmpcity,buf);
1071                 if (a==3) strcpy(tmpstate,buf);
1072                 if (a==4) {
1073                         for (c=0; c<strlen(buf); ++c) {
1074                                 if ((buf[c]>='0')&&(buf[c]<='9')) {
1075                                         b=strlen(tmpzip);
1076                                         tmpzip[b]=buf[c];
1077                                         tmpzip[b+1]=0;
1078                                         }
1079                                 }
1080                         }
1081                 if (a==5) {
1082                         for (c=0; c<strlen(buf); ++c) {
1083                                 if ((buf[c]>='0')&&(buf[c]<='9')) {
1084                                         b=strlen(tmpphone);
1085                                         tmpphone[b]=buf[c];
1086                                         tmpphone[b+1]=0;
1087                                         }
1088                                 }
1089                         }
1090                 if (a==6) strncpy(tmpemail,buf,31);
1091                 ++a;
1092                 }
1093
1094         tmpname[29]=0;
1095         tmpaddr[24]=0;
1096         tmpcity[14]=0;
1097         tmpstate[2]=0;
1098         tmpzip[9]=0;
1099         tmpphone[10]=0;
1100         tmpemail[31]=0;
1101
1102         lgetuser(&CC->usersupp,CC->curr_user);
1103         strcpy(CC->usersupp.USname,tmpname);
1104         strcpy(CC->usersupp.USaddr,tmpaddr);
1105         strcpy(CC->usersupp.UScity,tmpcity);
1106         strcpy(CC->usersupp.USstate,tmpstate);
1107         strcpy(CC->usersupp.USzip,tmpzip);
1108         strcpy(CC->usersupp.USphone,tmpphone);
1109         strcpy(CC->usersupp.USemail,tmpemail);
1110         CC->usersupp.flags=(CC->usersupp.flags|US_REGIS|US_NEEDVALID);
1111         lputuser(&CC->usersupp,CC->curr_user);
1112
1113         /* set global flag calling for validation */
1114         begin_critical_section(S_CONTROL);
1115         get_control();
1116         CitControl.MMflags = CitControl.MMflags | MM_VALID ;
1117         put_control();
1118         end_critical_section(S_CONTROL);
1119         cprintf("%d *** End of registration.\n",OK);
1120         }
1121
1122
1123 /*
1124  * assorted info we need to check at login
1125  */
1126 void cmd_chek(void) {
1127         int mail = 0;
1128         int regis = 0;
1129         int vali = 0;
1130
1131         if (!(CC->logged_in)) {
1132                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
1133                 return;
1134                 }
1135
1136         getuser(&CC->usersupp,CC->curr_user); /* no lock is needed here */
1137         if ((REGISCALL!=0)&&((CC->usersupp.flags&US_REGIS)==0)) regis = 1;
1138
1139         if (CC->usersupp.axlevel >= 6) {
1140                 get_control();
1141                 if (CitControl.MMflags&MM_VALID) vali = 1;
1142                 }
1143
1144
1145         /* check for mail */
1146         mail = NewMailCount();
1147
1148         cprintf("%d %d|%d|%d\n",OK,mail,regis,vali);
1149         }
1150
1151
1152 /*
1153  * check to see if a user exists
1154  */
1155 void cmd_qusr(char *who)
1156 {
1157         struct usersupp usbuf;
1158
1159         if (getuser(&usbuf,who) == 0) {
1160                 cprintf("%d %s\n",OK,usbuf.fullname);
1161                 }
1162         else {
1163                 cprintf("%d No such user.\n",ERROR+NO_SUCH_USER);
1164                 }
1165         }
1166
1167
1168 /*
1169  * enter user bio
1170  */
1171 void cmd_ebio(void) {
1172         char buf[256];
1173         FILE *fp;
1174
1175         if (!(CC->logged_in)) {
1176                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
1177                 return;
1178                 }
1179
1180         sprintf(buf,"./bio/%ld",CC->usersupp.usernum);
1181         fp = fopen(buf,"w");
1182         if (fp == NULL) {
1183                 cprintf("%d Cannot create file\n",ERROR);
1184                 return;
1185                 }
1186         cprintf("%d  \n",SEND_LISTING);
1187         while(client_gets(buf), strcmp(buf,"000")) {
1188                 fprintf(fp,"%s\n",buf);
1189                 }
1190         fclose(fp);
1191         }
1192
1193 /*
1194  * read user bio
1195  */
1196 void cmd_rbio(char *cmdbuf)
1197 {
1198         struct usersupp ruser;
1199         char buf[256];
1200         FILE *fp;
1201
1202         extract(buf,cmdbuf,0);
1203         if (getuser(&ruser,buf)!=0) {
1204                 cprintf("%d No such user.\n",ERROR+NO_SUCH_USER);
1205                 return;
1206                 }
1207         sprintf(buf,"./bio/%ld",ruser.usernum);
1208
1209         fp = fopen(buf,"r");
1210         if (fp == NULL) {
1211                 cprintf("%d %s has no bio on file.\n",
1212                         ERROR+FILE_NOT_FOUND,ruser.fullname);
1213                 return;
1214                 }
1215         cprintf("%d  \n",LISTING_FOLLOWS);
1216         while (fgets(buf,256,fp)!=NULL) cprintf("%s",buf);
1217         fclose(fp);
1218         cprintf("000\n");
1219         }
1220
1221 /*
1222  * list of users who have entered bios
1223  */
1224 void cmd_lbio(void) {
1225         char buf[256];
1226         FILE *ls;
1227         struct usersupp usbuf;
1228
1229         ls=popen("cd ./bio; ls","r");
1230         if (ls==NULL) {
1231                 cprintf("%d Cannot open listing.\n",ERROR+FILE_NOT_FOUND);
1232                 return;
1233                 }
1234
1235         cprintf("%d\n",LISTING_FOLLOWS);
1236         while (fgets(buf,255,ls)!=NULL)
1237                 if (getuserbynumber(&usbuf,atol(buf))==0)
1238                         cprintf("%s\n",usbuf.fullname);
1239         pclose(ls);
1240         cprintf("000\n");
1241         }
1242
1243
1244 /*
1245  * Administrative Get User Parameters
1246  */
1247 void cmd_agup(char *cmdbuf) {
1248         struct usersupp usbuf;
1249         char requested_user[256];
1250
1251         if ( (CC->internal_pgm==0)
1252            && ( (CC->logged_in == 0) || (is_aide()==0) ) ) {
1253                 cprintf("%d Higher access required.\n",
1254                         ERROR + HIGHER_ACCESS_REQUIRED);
1255                 return;
1256                 }
1257
1258         extract(requested_user, cmdbuf, 0);
1259         if (getuser(&usbuf, requested_user) != 0) {
1260                 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
1261                 return;
1262                 }
1263
1264         cprintf("%d %s|%s|%u|%d|%d|%d|%ld\n",
1265                 OK,
1266                 usbuf.fullname,
1267                 usbuf.password,
1268                 usbuf.flags,
1269                 usbuf.timescalled,
1270                 usbuf.posted,
1271                 (int)usbuf.axlevel,
1272                 usbuf.usernum);
1273
1274         }
1275
1276
1277
1278 /*
1279  * Administrative Set User Parameters
1280  */
1281 void cmd_asup(char *cmdbuf) {
1282         struct usersupp usbuf;
1283         char requested_user[256];
1284         int np;
1285         int newax;
1286
1287         if ( (CC->internal_pgm==0)
1288            && ( (CC->logged_in == 0) || (is_aide()==0) ) ) {
1289                 cprintf("%d Higher access required.\n",
1290                         ERROR + HIGHER_ACCESS_REQUIRED);
1291                 return;
1292                 }
1293
1294         extract(requested_user, cmdbuf, 0);
1295         if (lgetuser(&usbuf, requested_user) != 0) {
1296                 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
1297                 return;
1298                 }
1299
1300         np = num_parms(cmdbuf);
1301         if (np > 1) extract(usbuf.password, cmdbuf, 1);
1302         if (np > 2) usbuf.flags = extract_int(cmdbuf, 2);
1303         if (np > 3) usbuf.timescalled = extract_int(cmdbuf, 3);
1304         if (np > 4) usbuf.posted = extract_int(cmdbuf, 4);
1305         if (np > 5) {
1306                 newax = extract_int(cmdbuf, 5);
1307                 if ((newax >=0) && (newax <= 6)) {
1308                         usbuf.axlevel = extract_int(cmdbuf, 5);
1309                         }
1310                 }
1311
1312         lputuser(&usbuf, requested_user);
1313         if (usbuf.axlevel == 0) {
1314                 if (purge_user(requested_user)==0) {
1315                         cprintf("%d %s deleted.\n", OK, requested_user);
1316                         }
1317                 }
1318         cprintf("%d Ok\n", OK);
1319         }
1320
1321
1322 /*
1323  * Count the number of new mail messages the user has
1324  */
1325 int NewMailCount() {
1326         int num_newmsgs = 0;
1327         int a;
1328         char mailboxname[32];
1329         struct quickroom mailbox;
1330         struct visit vbuf;
1331
1332         MailboxName(mailboxname, &CC->usersupp, MAILROOM);
1333         if (getroom(&mailbox, mailboxname)!=0) return(0);
1334         CtdlGetRelationship(&vbuf, &CC->usersupp, &mailbox);
1335
1336         get_msglist(&mailbox);
1337         for (a=0; a<CC->num_msgs; ++a) {
1338                 if (MessageFromList(a)>0L) {
1339                         if (MessageFromList(a) > vbuf.v_lastseen) {
1340                                 ++num_newmsgs;
1341                                 }
1342                         }
1343                 }
1344
1345         return(num_newmsgs);
1346         }