citadel/user_ops.c

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