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