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         lprintf(9, "CtdlSetRelationship() user %ld room <%s> gen %ld\n",
 158                 rel_user->usernum, rel_room->QRname, rel_room->QRgen);
 159         }
 160
 161 /*
 162  * Locate a relationship between a user and a room
 163  */
 164 void CtdlGetRelationship(struct visit *vbuf,
 165                         struct usersupp *rel_user,
 166                         struct quickroom *rel_room) {
 167
 168         struct cdbdata *cdbvisit;
 169         struct visit *visits;
 170         int num_visits;
 171         int a;
 172
 173         bzero(vbuf, sizeof(struct visit));
 174         strcpy(vbuf->v_roomname, rel_room->QRname);
 175         vbuf->v_generation = rel_room->QRgen;
 176
 177         cdbvisit = cdb_fetch(CDB_VISIT, &rel_user->usernum, sizeof(long));
 178         if (cdbvisit != NULL) {
 179                 if ((num_visits = cdbvisit->len / sizeof(struct visit)) == 0) {
 180                         cdb_free(cdbvisit);
 181                         return;
 182                 }
 183                 visits = (struct visit *)
 184                         malloc(num_visits * sizeof(struct visit));
 185                 memcpy(visits, cdbvisit->ptr,
 186                         (num_visits * sizeof(struct visit)));
 187                 cdb_free(cdbvisit);
 188                 }
 189         else return;
 190
 191         for (a=0; a<num_visits; ++a) {
 192
 193                 if ( (!strcasecmp(visits[a].v_roomname, rel_room->QRname))
 194                    && (visits[a].v_generation == rel_room->QRgen) ) {
 195                         memcpy(vbuf, &visits[a], sizeof(struct visit));
 196                         }
 197                 }
 198
 199         free(visits);
 200         }
 201
 202
 203 void PurgeStaleRelationships(void) {
 204
 205         struct cdbdata *cdbvisit;
 206         struct visit *visits;
 207         struct quickroom qrbuf;
 208         int num_visits;
 209         int a, purge;
 210
 211         cdbvisit = cdb_fetch(CDB_VISIT, &CC->usersupp.usernum, sizeof(long));
 212         if (cdbvisit != NULL) {
 213                 if ((num_visits = cdbvisit->len / sizeof(struct visit)) == 0) {
 214                         cdb_free(cdbvisit);
 215                         return;
 216                         }
 217                 visits = (struct visit *)
 218                         malloc(num_visits * sizeof(struct visit));
 219                 memcpy(visits, cdbvisit->ptr,
 220                         (num_visits * sizeof(struct visit)));
 221                 cdb_free(cdbvisit);
 222                 }
 223         else return;
 224
 225         for (a=0; a<num_visits; ++a) {
 226                 if (getroom(&qrbuf, visits[a].v_roomname)!=0) {
 227                         purge = 1;
 228                         }
 229                 else if (qrbuf.QRgen != visits[a].v_generation) {
 230                         purge = 1;
 231                         }
 232                 else {
 233                         purge = 0;
 234                         }
 235                 lprintf(9, "U/R REL: <%s> <%ld> <%ld> <%d> %s\n",
 236                         visits[a].v_roomname,
 237                         visits[a].v_generation,
 238                         visits[a].v_lastseen,
 239                         visits[a].v_flags,
 240                         (purge ? "**purging**" : "") );
 241
 242                 if (purge) {
 243                         memcpy(&visits[a], &visits[a+1],
 244                                 (((num_visits-a)-1) * sizeof(struct visit)) );
 245                         --num_visits;
 246                         }
 247
 248                 }
 249
 250         cdb_store(CDB_VISIT, &CC->usersupp.usernum, sizeof(long),
 251                         visits, (num_visits * sizeof(struct visit)));
 252         free(visits);
 253         }
 254
 255
 256
 257 void MailboxName(char *buf, struct usersupp *who, char *prefix) {
 258         sprintf(buf, "%010ld.%s", who->usernum, prefix);
 259         }
 260
 261
 262 /*
 263  * Is the user currently logged in an Aide?
 264  */
 265 int is_aide(void) {
 266         if (CC->usersupp.axlevel >= 6) return(1);
 267         else return(0);
 268         }
 269
 270
 271 /*
 272  * Is the user currently logged in an Aide *or* the room aide for this room?
 273  */
 274 int is_room_aide(void) {
 275         if ( (CC->usersupp.axlevel >= 6)
 276            || (CC->quickroom.QRroomaide == CC->usersupp.usernum) ) {
 277                 return(1);
 278                 }
 279         else {
 280                 return(0);
 281                 }
 282         }
 283
 284 /*
 285  * getuserbynumber()  -  get user by number
 286  *                       returns 0 if user was found
 287  */
 288 int getuserbynumber(struct usersupp *usbuf, long int number)
 289 {
 290         struct cdbdata *cdbus;
 291
 292         cdb_rewind(CDB_USERSUPP);
 293
 294         while(cdbus = cdb_next_item(CDB_USERSUPP), cdbus != NULL) {
 295                 bzero(usbuf, sizeof(struct usersupp));
 296                 memcpy(usbuf, cdbus->ptr,
 297                         ( (cdbus->len > sizeof(struct usersupp)) ?
 298                         sizeof(struct usersupp) : cdbus->len) );
 299                 cdb_free(cdbus);
 300                 if (usbuf->usernum == number) {
 301                         return(0);
 302                         }
 303                 }
 304         return(-1);
 305         }
 306
 307
 308 /*
 309  * USER cmd
 310  */
 311 void cmd_user(char *cmdbuf)
 312 {
 313         char username[256];
 314         char autoname[256];
 315         int found_user = 0;
 316         struct passwd *p;
 317         int a;
 318
 319         extract(username,cmdbuf,0);
 320         username[25] = 0;
 321         strproc(username);
 322
 323         if ((CC->logged_in)) {
 324                 cprintf("%d Already logged in.\n",ERROR);
 325                 return;
 326                 }
 327
 328         found_user = getuser(&CC->usersupp,username);
 329         if (found_user != 0) {
 330                 p = (struct passwd *)getpwnam(username);
 331                 if (p!=NULL) {
 332                         strcpy(autoname,p->pw_gecos);
 333                         for (a=0; a<strlen(autoname); ++a)
 334                                 if (autoname[a]==',') autoname[a]=0;
 335                         found_user = getuser(&CC->usersupp,autoname);
 336                         }
 337                 }
 338         if (found_user == 0) {
 339                 if (((CC->nologin)) && (CC->usersupp.axlevel < 6)) {
 340                         cprintf("%d %s: Too many users are already online (maximum is %d)\n",
 341                         ERROR+MAX_SESSIONS_EXCEEDED,
 342                         config.c_nodename,config.c_maxsessions);
 343                         }
 344                 else {
 345                         strcpy(CC->curr_user,CC->usersupp.fullname);
 346                         cprintf("%d Password required for %s\n",
 347                                 MORE_DATA,CC->curr_user);
 348                         }
 349                 }
 350         else {
 351                 cprintf("%d %s not found.\n",ERROR,username);
 352                 }
 353         }
 354
 355
 356
 357 /*
 358  * session startup code which is common to both cmd_pass() and cmd_newu()
 359  */
 360 void session_startup(void) {
 361         syslog(LOG_NOTICE,"user <%s> logged in",CC->curr_user);
 362
 363         lgetuser(&CC->usersupp,CC->curr_user);
 364         ++(CC->usersupp.timescalled);
 365         CC->fake_username[0] = '\0';
 366         CC->fake_postname[0] = '\0';
 367         CC->fake_hostname[0] = '\0';
 368         CC->fake_roomname[0] = '\0';
 369         CC->last_pager[0] = '\0';
 370         time(&CC->usersupp.lastcall);
 371
 372         /* If this user's name is the name of the system administrator
 373          * (as specified in setup), automatically assign access level 6.
 374          */
 375         if (!strcasecmp(CC->usersupp.fullname, config.c_sysadm)) {
 376                 CC->usersupp.axlevel = 6;
 377                 }
 378
 379         lputuser(&CC->usersupp,CC->curr_user);
 380
 381         /* Run any cleanup routines registered by loadable modules */
 382         PerformSessionHooks(EVT_LOGIN);
 383
 384         cprintf("%d %s|%d|%d|%d|%u|%ld\n",OK,CC->usersupp.fullname,CC->usersupp.axlevel,
 385                 CC->usersupp.timescalled,CC->usersupp.posted,CC->usersupp.flags,
 386                 CC->usersupp.usernum);
 387         usergoto(BASEROOM,0);           /* Enter the lobby */
 388         rec_log(CL_LOGIN,CC->curr_user);
 389         }
 390
 391
 392 /*
 393  * misc things to be taken care of when a user is logged out
 394  */
 395 void logout(struct CitContext *who)
 396 {
 397         who->logged_in = 0;
 398         if (who->download_fp != NULL) {
 399                 fclose(who->download_fp);
 400                 who->download_fp = NULL;
 401                 }
 402         if (who->upload_fp != NULL) {
 403                 abort_upl(who);
 404                 }
 405
 406         /* Do modular stuff... */
 407         PerformSessionHooks(EVT_LOGOUT);
 408         }
 409
 410
 411 void cmd_pass(char *buf)
 412 {
 413         char password[256];
 414         int code;
 415         struct passwd *p;
 416
 417         extract(password,buf,0);
 418
 419         if ((CC->logged_in)) {
 420                 cprintf("%d Already logged in.\n",ERROR);
 421                 return;
 422                 }
 423         if (!strcmp(CC->curr_user,"")) {
 424                 cprintf("%d You must send a name with USER first.\n",ERROR);
 425                 return;
 426                 }
 427         if (getuser(&CC->usersupp,CC->curr_user)) {
 428                 cprintf("%d Can't find user record!\n",ERROR+INTERNAL_ERROR);
 429                 return;
 430                 }
 431
 432         code = (-1);
 433         if (CC->usersupp.USuid == BBSUID) {
 434                 strproc(password);
 435                 strproc(CC->usersupp.password);
 436                 code = strcasecmp(CC->usersupp.password,password);
 437                 lprintf(9, "Got <%s>, looking for <%s>\n",
 438                         password, CC->usersupp.password);
 439                 }
 440         else {
 441                 p = (struct passwd *)getpwuid(CC->usersupp.USuid);
 442 #ifdef ENABLE_AUTOLOGIN
 443                 if (p!=NULL) {
 444                         if (!strcmp(p->pw_passwd,
 445                            (char *)crypt(password,p->pw_passwd))) {
 446                                 code = 0;
 447                                 lgetuser(&CC->usersupp, CC->curr_user);
 448                                 strcpy(CC->usersupp.password, password);
 449                                 lputuser(&CC->usersupp, CC->curr_user);
 450                                 }
 451                         }
 452 #endif
 453                 }
 454
 455         if (!code) {
 456                 (CC->logged_in) = 1;
 457                 session_startup();
 458                 }
 459         else {
 460                 cprintf("%d Wrong password.\n",ERROR);
 461                 rec_log(CL_BADPW,CC->curr_user);
 462                 }
 463         }
 464
 465
 466 /*
 467  * Delete a user record *and* all of its related resources.
 468  */
 469 int purge_user(char *pname) {
 470         char filename[64];
 471         char mailboxname[ROOMNAMELEN];
 472         struct usersupp usbuf;
 473         struct quickroom qrbuf;
 474
 475         if (getuser(&usbuf, pname) != 0) {
 476                 lprintf(5, "Cannot purge user <%s> - not found\n", pname);
 477                 return(ERROR+NO_SUCH_USER);
 478                 }
 479
 480         /* FIX   Don't delete a user who is currently logged in. */
 481
 482         /* Perform any purge functions registered by server extensions */
 483         PerformUserHooks(usbuf.fullname, usbuf.usernum, EVT_PURGEUSER);
 484
 485         /* delete any existing user/room relationships */
 486         cdb_delete(CDB_VISIT, &usbuf.usernum, sizeof(long));
 487
 488         /* Delete the user's mailbox and its contents */
 489         MailboxName(mailboxname, &usbuf, MAILROOM);
 490         if (getroom(&qrbuf, mailboxname)==0) {
 491                 delete_room(&qrbuf);
 492                 }
 493
 494         /* delete the userlog entry */
 495         cdb_delete(CDB_USERSUPP, pname, strlen(pname));
 496
 497         /* remove the user's bio file */
 498         sprintf(filename, "./bio/%ld", usbuf.usernum);
 499         unlink(filename);
 500
 501         /* remove the user's picture */
 502         sprintf(filename, "./userpics/%ld.gif", usbuf.usernum);
 503         unlink(filename);
 504
 505         return(0);
 506         }
 507
 508
 509 /*
 510  * create_user()  -  back end processing to create a new user
 511  */
 512 int create_user(char *newusername)
 513 {
 514         struct usersupp usbuf;
 515         int a;
 516         struct passwd *p = NULL;
 517         char username[64];
 518         char mailboxname[ROOMNAMELEN];
 519
 520         strcpy(username, newusername);
 521         strproc(username);
 522
 523 #ifdef ENABLE_AUTOLOGIN
 524         p = (struct passwd *)getpwnam(username);
 525 #endif
 526         if (p != NULL) {
 527                 strcpy(username, p->pw_gecos);
 528                 for (a=0; a<strlen(username); ++a) {
 529                         if (username[a] == ',') username[a] = 0;
 530                         }
 531                 CC->usersupp.USuid = p->pw_uid;
 532                 }
 533         else {
 534                 CC->usersupp.USuid = BBSUID;
 535                 }
 536
 537         if (!getuser(&usbuf,username)) {
 538                 return(ERROR+ALREADY_EXISTS);
 539                 }
 540
 541         strcpy(CC->curr_user,username);
 542         strcpy(CC->usersupp.fullname,username);
 543         strcpy(CC->usersupp.password,"");
 544         (CC->logged_in) = 1;
 545
 546         /* These are the default flags on new accounts */
 547         CC->usersupp.flags =
 548                 US_NEEDVALID|US_LASTOLD|US_DISAPPEAR|US_PAGINATOR|US_FLOORS;
 549
 550         CC->usersupp.timescalled = 0;
 551         CC->usersupp.posted = 0;
 552         CC->usersupp.axlevel = config.c_initax;
 553         CC->usersupp.USscreenwidth = 80;
 554         CC->usersupp.USscreenheight = 24;
 555         time(&CC->usersupp.lastcall);
 556         strcpy(CC->usersupp.USname, "");
 557         strcpy(CC->usersupp.USaddr, "");
 558         strcpy(CC->usersupp.UScity, "");
 559         strcpy(CC->usersupp.USstate, "");
 560         strcpy(CC->usersupp.USzip, "");
 561         strcpy(CC->usersupp.USphone, "");
 562
 563         /* fetch a new user number */
 564         CC->usersupp.usernum = get_new_user_number();
 565
 566         if (CC->usersupp.usernum == 1L) {
 567                 CC->usersupp.axlevel = 6;
 568                 }
 569
 570         /* add user to userlog */
 571         putuser(&CC->usersupp,CC->curr_user);
 572         if (getuser(&CC->usersupp,CC->curr_user)) {
 573                 return(ERROR+INTERNAL_ERROR);
 574                 }
 575
 576         /* give the user a private mailbox */
 577         MailboxName(mailboxname, &CC->usersupp, MAILROOM);
 578         create_room(mailboxname, 4, "", 0);
 579
 580         rec_log(CL_NEWUSER,CC->curr_user);
 581         return(0);
 582         }
 583
 584
 585
 586
 587 /*
 588  * cmd_newu()  -  create a new user account
 589  */
 590 void cmd_newu(char *cmdbuf)
 591 {
 592         int a;
 593         char username[256];
 594
 595         if ((CC->logged_in)) {
 596                 cprintf("%d Already logged in.\n",ERROR);
 597                 return;
 598                 }
 599
 600         if ((CC->nologin)) {
 601                 cprintf("%d %s: Too many users are already online (maximum is %d)\n",
 602                 ERROR+MAX_SESSIONS_EXCEEDED,
 603                 config.c_nodename,config.c_maxsessions);
 604                 }
 605
 606         extract(username,cmdbuf,0);
 607         username[25] = 0;
 608         strproc(username);
 609
 610         if (strlen(username)==0) {
 611                 cprintf("%d You must supply a user name.\n",ERROR);
 612                 return;
 613                 }
 614
 615         a = create_user(username);
 616         if ((!strcasecmp(username, "bbs")) ||
 617             (!strcasecmp(username, "new")) ||
 618             (!strcasecmp(username, ".")))
 619         {
 620            cprintf("%d '%s' is an invalid login name.\n", ERROR);
 621            return;
 622         }
 623         if (a==ERROR+ALREADY_EXISTS) {
 624                 cprintf("%d '%s' already exists.\n",
 625                         ERROR+ALREADY_EXISTS,username);
 626                 return;
 627                 }
 628         else if (a==ERROR+INTERNAL_ERROR) {
 629                 cprintf("%d Internal error - user record disappeared?\n",
 630                         ERROR+INTERNAL_ERROR);
 631                 return;
 632                 }
 633         else if (a==0) {
 634                 session_startup();
 635                 }
 636         else {
 637                 cprintf("%d unknown error\n",ERROR);
 638                 }
 639         rec_log(CL_NEWUSER,CC->curr_user);
 640         }
 641
 642
 643
 644 /*
 645  * set password
 646  */
 647 void cmd_setp(char *new_pw)
 648 {
 649         if (!(CC->logged_in)) {
 650                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 651                 return;
 652                 }
 653         if (CC->usersupp.USuid != BBSUID) {
 654                 cprintf("%d Not allowed.  Use the 'passwd' command.\n",ERROR);
 655                 return;
 656                 }
 657         strproc(new_pw);
 658         if (strlen(new_pw)==0) {
 659                 cprintf("%d Password unchanged.\n",OK);
 660                 return;
 661                 }
 662         lgetuser(&CC->usersupp,CC->curr_user);
 663         strcpy(CC->usersupp.password,new_pw);
 664         lputuser(&CC->usersupp,CC->curr_user);
 665         cprintf("%d Password changed.\n",OK);
 666         rec_log(CL_PWCHANGE,CC->curr_user);
 667         PerformSessionHooks(EVT_SETPASS);
 668         }
 669
 670 /*
 671  * get user parameters
 672  */
 673 void cmd_getu(void) {
 674         if (!(CC->logged_in)) {
 675                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 676                 return;
 677                 }
 678         getuser(&CC->usersupp,CC->curr_user);
 679         cprintf("%d %d|%d|%d\n",
 680                 OK,
 681                 CC->usersupp.USscreenwidth,
 682                 CC->usersupp.USscreenheight,
 683                 (CC->usersupp.flags & US_USER_SET)
 684                 );
 685         }
 686
 687 /*
 688  * set user parameters
 689  */
 690 void cmd_setu(char *new_parms)
 691 {
 692
 693         if (num_parms(new_parms)!=3) {
 694                 cprintf("%d Usage error.\n",ERROR);
 695                 return;
 696                 }
 697         if (!(CC->logged_in)) {
 698                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 699                 return;
 700                 }
 701         lgetuser(&CC->usersupp,CC->curr_user);
 702         CC->usersupp.USscreenwidth = extract_int(new_parms,0);
 703         CC->usersupp.USscreenheight = extract_int(new_parms,1);
 704         CC->usersupp.flags = CC->usersupp.flags & (~US_USER_SET);
 705         CC->usersupp.flags = CC->usersupp.flags |
 706                 (extract_int(new_parms,2) & US_USER_SET);
 707         lputuser(&CC->usersupp,CC->curr_user);
 708         cprintf("%d Ok\n",OK);
 709         }
 710
 711 /*
 712  * set last read pointer
 713  */
 714 void cmd_slrp(char *new_ptr)
 715 {
 716         long newlr;
 717         struct visit vbuf;
 718
 719         if (!(CC->logged_in)) {
 720                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 721                 return;
 722                 }
 723
 724         if (!strncasecmp(new_ptr,"highest",7)) {
 725                 newlr = CC->quickroom.QRhighest;
 726                 }
 727         else {
 728                 newlr = atol(new_ptr);
 729                 }
 730
 731         lgetuser(&CC->usersupp, CC->curr_user);
 732
 733         CtdlGetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
 734         vbuf.v_lastseen = newlr;
 735         CtdlSetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
 736
 737         lputuser(&CC->usersupp, CC->curr_user);
 738         cprintf("%d %ld\n",OK,newlr);
 739         }
 740
 741
 742 /*
 743  * INVT and KICK commands
 744  */
 745 void cmd_invt_kick(char *iuser, int op)
 746                         /* user name */
 747         {               /* 1 = invite, 0 = kick out */
 748         struct usersupp USscratch;
 749         char bbb[256];
 750         struct visit vbuf;
 751
 752         if (!(CC->logged_in)) {
 753                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 754                 return;
 755                 }
 756
 757         if (is_room_aide()==0) {
 758                 cprintf("%d Higher access required.\n",
 759                         ERROR+HIGHER_ACCESS_REQUIRED);
 760                 return;
 761                 }
 762
 763         if (lgetuser(&USscratch,iuser)!=0) {
 764                 cprintf("%d No such user.\n",ERROR);
 765                 return;
 766                 }
 767
 768         CtdlGetRelationship(&vbuf, &USscratch, &CC->quickroom);
 769
 770         if (op==1) {
 771                 vbuf.v_flags = vbuf.v_flags & ~V_FORGET & ~V_LOCKOUT;
 772                 vbuf.v_flags = vbuf.v_flags | V_ACCESS;
 773                 }
 774
 775         if (op==0) {
 776                 vbuf.v_flags = vbuf.v_flags & ~V_ACCESS;
 777                 vbuf.v_flags = vbuf.v_flags | V_FORGET | V_LOCKOUT;
 778                 }
 779
 780         CtdlSetRelationship(&vbuf, &USscratch, &CC->quickroom);
 781
 782         lputuser(&USscratch,iuser);
 783
 784         /* post a message in Aide> saying what we just did */
 785         sprintf(bbb,"%s %s %s> by %s",
 786                 iuser,
 787                 ((op == 1) ? "invited to" : "kicked out of"),
 788                 CC->quickroom.QRname,
 789                 CC->usersupp.fullname);
 790         aide_message(bbb);
 791
 792         cprintf("%d %s %s %s.\n",
 793                 OK, iuser,
 794                 ((op == 1) ? "invited to" : "kicked out of"),
 795                 CC->quickroom.QRname);
 796         return;
 797         }
 798
 799
 800 /*
 801  * forget (Zap) the current room
 802  */
 803 void cmd_forg(void) {
 804         struct visit vbuf;
 805
 806         if (!(CC->logged_in)) {
 807                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 808                 return;
 809                 }
 810
 811         if (is_aide()) {
 812                 cprintf("%d Aides cannot forget rooms.\n",ERROR);
 813                 return;
 814                 }
 815
 816         lgetuser(&CC->usersupp,CC->curr_user);
 817         CtdlGetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
 818
 819         vbuf.v_flags = vbuf.v_flags | V_FORGET;
 820
 821         CtdlSetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
 822         lputuser(&CC->usersupp,CC->curr_user);
 823         cprintf("%d Ok\n",OK);
 824         usergoto(BASEROOM, 0);
 825         }
 826
 827 /*
 828  * Get Next Unregistered User
 829  */
 830 void cmd_gnur(void) {
 831         struct cdbdata *cdbus;
 832         struct usersupp usbuf;
 833
 834         if (!(CC->logged_in)) {
 835                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 836                 return;
 837                 }
 838
 839         if (CC->usersupp.axlevel < 6) {
 840                 cprintf("%d Higher access required.\n",
 841                         ERROR+HIGHER_ACCESS_REQUIRED);
 842                 return;
 843                 }
 844
 845         if ((CitControl.MMflags&MM_VALID)==0) {
 846                 cprintf("%d There are no unvalidated users.\n",OK);
 847                 return;
 848                 }
 849
 850         /* There are unvalidated users.  Traverse the usersupp database,
 851          * and return the first user we find that needs validation.
 852          */
 853         cdb_rewind(CDB_USERSUPP);
 854         while (cdbus = cdb_next_item(CDB_USERSUPP), cdbus != NULL) {
 855                 bzero(&usbuf, sizeof(struct usersupp));
 856                 memcpy(&usbuf, cdbus->ptr,
 857                         ( (cdbus->len > sizeof(struct usersupp)) ?
 858                         sizeof(struct usersupp) : cdbus->len) );
 859                 cdb_free(cdbus);
 860                 if ((usbuf.flags & US_NEEDVALID)
 861                    &&(usbuf.axlevel > 0)) {
 862                         cprintf("%d %s\n",MORE_DATA,usbuf.fullname);
 863                         return;
 864                         }
 865                 }
 866
 867         /* If we get to this point, there are no more unvalidated users.
 868          * Therefore we clear the "users need validation" flag.
 869          */
 870
 871         begin_critical_section(S_CONTROL);
 872         get_control();
 873         CitControl.MMflags = CitControl.MMflags&(~MM_VALID);
 874         put_control();
 875         end_critical_section(S_CONTROL);
 876         cprintf("%d *** End of registration.\n",OK);
 877
 878
 879         }
 880
 881
 882 /*
 883  * get registration info for a user
 884  */
 885 void cmd_greg(char *who)
 886 {
 887         struct usersupp usbuf;
 888         int a,b;
 889         char pbuf[32];
 890
 891         if (!(CC->logged_in)) {
 892                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 893                 return;
 894                 }
 895
 896         if (!strcasecmp(who,"_SELF_")) strcpy(who,CC->curr_user);
 897
 898         if ((CC->usersupp.axlevel < 6) && (strcasecmp(who,CC->curr_user))) {
 899                 cprintf("%d Higher access required.\n",
 900                         ERROR+HIGHER_ACCESS_REQUIRED);
 901                 return;
 902                 }
 903
 904         if (getuser(&usbuf,who) != 0) {
 905                 cprintf("%d '%s' not found.\n",ERROR+NO_SUCH_USER,who);
 906                 return;
 907                 }
 908
 909         cprintf("%d %s\n",LISTING_FOLLOWS,usbuf.fullname);
 910         cprintf("%ld\n",usbuf.usernum);
 911         cprintf("%s\n",usbuf.password);
 912         cprintf("%s\n",usbuf.USname);
 913         cprintf("%s\n",usbuf.USaddr);
 914         cprintf("%s\n%s\n%s\n",
 915                 usbuf.UScity,usbuf.USstate,usbuf.USzip);
 916         strcpy(pbuf,usbuf.USphone);
 917         usbuf.USphone[0]=0;
 918         for (a=0; a<strlen(pbuf); ++a) {
 919                 if ((pbuf[a]>='0')&&(pbuf[a]<='9')) {
 920                         b=strlen(usbuf.USphone);
 921                         usbuf.USphone[b]=pbuf[a];
 922                         usbuf.USphone[b+1]=0;
 923                         }
 924                 }
 925         while(strlen(usbuf.USphone)<10) {
 926                 strcpy(pbuf,usbuf.USphone);
 927                 strcpy(usbuf.USphone," ");
 928                 strcat(usbuf.USphone,pbuf);
 929                 }
 930
 931         cprintf("(%c%c%c) %c%c%c-%c%c%c%c\n",
 932                 usbuf.USphone[0],usbuf.USphone[1],
 933                 usbuf.USphone[2],usbuf.USphone[3],
 934                 usbuf.USphone[4],usbuf.USphone[5],
 935                 usbuf.USphone[6],usbuf.USphone[7],
 936                 usbuf.USphone[8],usbuf.USphone[9]);
 937
 938         cprintf("%d\n",usbuf.axlevel);
 939         cprintf("%s\n",usbuf.USemail);
 940         cprintf("000\n");
 941         }
 942
 943 /*
 944  * validate a user
 945  */
 946 void cmd_vali(char *v_args)
 947 {
 948         char user[256];
 949         int newax;
 950         struct usersupp userbuf;
 951
 952         extract(user,v_args,0);
 953         newax = extract_int(v_args,1);
 954
 955         if (!(CC->logged_in)) {
 956                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 957                 return;
 958                 }
 959
 960         if (CC->usersupp.axlevel < 6) {
 961                 cprintf("%d Higher access required.\n",
 962                         ERROR+HIGHER_ACCESS_REQUIRED);
 963                 return;
 964                 }
 965
 966         if (lgetuser(&userbuf,user)!=0) {
 967                 cprintf("%d '%s' not found.\n",ERROR+NO_SUCH_USER,user);
 968                 return;
 969                 }
 970
 971         userbuf.axlevel = newax;
 972         userbuf.flags = (userbuf.flags & ~US_NEEDVALID);
 973
 974         lputuser(&userbuf,user);
 975
 976         /* If the access level was set to zero, delete the user */
 977         if (newax == 0) {
 978                 if (purge_user(user)==0) {
 979                         cprintf("%d %s Deleted.\n", OK, userbuf.fullname);
 980                         return;
 981                         }
 982                 }
 983
 984         cprintf("%d ok\n",OK);
 985         }
 986
 987
 988
 989 /*
 990  *  Traverse the user file...
 991  */
 992 void ForEachUser(void (*CallBack)(struct usersupp *EachUser)) {
 993         struct usersupp usbuf;
 994         struct cdbdata *cdbus;
 995
 996         cdb_rewind(CDB_USERSUPP);
 997
 998         while(cdbus = cdb_next_item(CDB_USERSUPP), cdbus != NULL) {
 999                 bzero(&usbuf, sizeof(struct usersupp));
1000                 memcpy(&usbuf, cdbus->ptr,
1001                         ( (cdbus->len > sizeof(struct usersupp)) ?
1002                         sizeof(struct usersupp) : cdbus->len) );
1003                 cdb_free(cdbus);
1004                 (*CallBack)(&usbuf);
1005                 }
1006         }
1007
1008
1009 /*
1010  * List one user (this works with cmd_list)
1011  */
1012 void ListThisUser(struct usersupp *usbuf) {
1013         if (usbuf->axlevel > 0) {
1014                 if ((CC->usersupp.axlevel>=6)
1015                    ||((usbuf->flags&US_UNLISTED)==0)
1016                    ||((CC->internal_pgm))) {
1017                         cprintf("%s|%d|%ld|%ld|%d|%d|",
1018                                 usbuf->fullname,
1019                                 usbuf->axlevel,
1020                                 usbuf->usernum,
1021                                 usbuf->lastcall,
1022                                 usbuf->timescalled,
1023                                 usbuf->posted);
1024                         if (CC->usersupp.axlevel >= 6)
1025                                 cprintf("%s",usbuf->password);
1026                         cprintf("\n");
1027                         }
1028                 }
1029         }
1030
1031 /*
1032  *  List users
1033  */
1034 void cmd_list(void) {
1035         cprintf("%d \n",LISTING_FOLLOWS);
1036         ForEachUser(ListThisUser);
1037         cprintf("000\n");
1038         }
1039
1040
1041 /*
1042  * enter registration info
1043  */
1044 void cmd_regi(void) {
1045         int a,b,c;
1046         char buf[256];
1047
1048         char tmpname[256];
1049         char tmpaddr[256];
1050         char tmpcity[256];
1051         char tmpstate[256];
1052         char tmpzip[256];
1053         char tmpphone[256];
1054         char tmpemail[256];
1055
1056         if (!(CC->logged_in)) {
1057                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
1058                 return;
1059                 }
1060
1061         strcpy(tmpname,"");
1062         strcpy(tmpaddr,"");
1063         strcpy(tmpcity,"");
1064         strcpy(tmpstate,"");
1065         strcpy(tmpzip,"");
1066         strcpy(tmpphone,"");
1067         strcpy(tmpemail,"");
1068
1069         cprintf("%d Send registration...\n",SEND_LISTING);
1070         a=0;
1071         while (client_gets(buf), strcmp(buf,"000")) {
1072                 if (a==0) strcpy(tmpname,buf);
1073                 if (a==1) strcpy(tmpaddr,buf);
1074                 if (a==2) strcpy(tmpcity,buf);
1075                 if (a==3) strcpy(tmpstate,buf);
1076                 if (a==4) {
1077                         for (c=0; c<strlen(buf); ++c) {
1078                                 if ((buf[c]>='0')&&(buf[c]<='9')) {
1079                                         b=strlen(tmpzip);
1080                                         tmpzip[b]=buf[c];
1081                                         tmpzip[b+1]=0;
1082                                         }
1083                                 }
1084                         }
1085                 if (a==5) {
1086                         for (c=0; c<strlen(buf); ++c) {
1087                                 if ((buf[c]>='0')&&(buf[c]<='9')) {
1088                                         b=strlen(tmpphone);
1089                                         tmpphone[b]=buf[c];
1090                                         tmpphone[b+1]=0;
1091                                         }
1092                                 }
1093                         }
1094                 if (a==6) strncpy(tmpemail,buf,31);
1095                 ++a;
1096                 }
1097
1098         tmpname[29]=0;
1099         tmpaddr[24]=0;
1100         tmpcity[14]=0;
1101         tmpstate[2]=0;
1102         tmpzip[9]=0;
1103         tmpphone[10]=0;
1104         tmpemail[31]=0;
1105
1106         lgetuser(&CC->usersupp,CC->curr_user);
1107         strcpy(CC->usersupp.USname,tmpname);
1108         strcpy(CC->usersupp.USaddr,tmpaddr);
1109         strcpy(CC->usersupp.UScity,tmpcity);
1110         strcpy(CC->usersupp.USstate,tmpstate);
1111         strcpy(CC->usersupp.USzip,tmpzip);
1112         strcpy(CC->usersupp.USphone,tmpphone);
1113         strcpy(CC->usersupp.USemail,tmpemail);
1114         CC->usersupp.flags=(CC->usersupp.flags|US_REGIS|US_NEEDVALID);
1115         lputuser(&CC->usersupp,CC->curr_user);
1116
1117         /* set global flag calling for validation */
1118         begin_critical_section(S_CONTROL);
1119         get_control();
1120         CitControl.MMflags = CitControl.MMflags | MM_VALID ;
1121         put_control();
1122         end_critical_section(S_CONTROL);
1123         cprintf("%d *** End of registration.\n",OK);
1124         }
1125
1126
1127 /*
1128  * assorted info we need to check at login
1129  */
1130 void cmd_chek(void) {
1131         int mail = 0;
1132         int regis = 0;
1133         int vali = 0;
1134
1135         if (!(CC->logged_in)) {
1136                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
1137                 return;
1138                 }
1139
1140         getuser(&CC->usersupp,CC->curr_user); /* no lock is needed here */
1141         if ((REGISCALL!=0)&&((CC->usersupp.flags&US_REGIS)==0)) regis = 1;
1142
1143         if (CC->usersupp.axlevel >= 6) {
1144                 get_control();
1145                 if (CitControl.MMflags&MM_VALID) vali = 1;
1146                 }
1147
1148
1149         /* check for mail */
1150         mail = NewMailCount();
1151
1152         cprintf("%d %d|%d|%d\n",OK,mail,regis,vali);
1153         }
1154
1155
1156 /*
1157  * check to see if a user exists
1158  */
1159 void cmd_qusr(char *who)
1160 {
1161         struct usersupp usbuf;
1162
1163         if (getuser(&usbuf,who) == 0) {
1164                 cprintf("%d %s\n",OK,usbuf.fullname);
1165                 }
1166         else {
1167                 cprintf("%d No such user.\n",ERROR+NO_SUCH_USER);
1168                 }
1169         }
1170
1171
1172 /*
1173  * enter user bio
1174  */
1175 void cmd_ebio(void) {
1176         char buf[256];
1177         FILE *fp;
1178
1179         if (!(CC->logged_in)) {
1180                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
1181                 return;
1182                 }
1183
1184         sprintf(buf,"./bio/%ld",CC->usersupp.usernum);
1185         fp = fopen(buf,"w");
1186         if (fp == NULL) {
1187                 cprintf("%d Cannot create file\n",ERROR);
1188                 return;
1189                 }
1190         cprintf("%d  \n",SEND_LISTING);
1191         while(client_gets(buf), strcmp(buf,"000")) {
1192                 fprintf(fp,"%s\n",buf);
1193                 }
1194         fclose(fp);
1195         }
1196
1197 /*
1198  * read user bio
1199  */
1200 void cmd_rbio(char *cmdbuf)
1201 {
1202         struct usersupp ruser;
1203         char buf[256];
1204         FILE *fp;
1205
1206         extract(buf,cmdbuf,0);
1207         if (getuser(&ruser,buf)!=0) {
1208                 cprintf("%d No such user.\n",ERROR+NO_SUCH_USER);
1209                 return;
1210                 }
1211         sprintf(buf,"./bio/%ld",ruser.usernum);
1212
1213         fp = fopen(buf,"r");
1214         if (fp == NULL) {
1215                 cprintf("%d %s has no bio on file.\n",
1216                         ERROR+FILE_NOT_FOUND,ruser.fullname);
1217                 return;
1218                 }
1219         cprintf("%d  \n",LISTING_FOLLOWS);
1220         while (fgets(buf,256,fp)!=NULL) cprintf("%s",buf);
1221         fclose(fp);
1222         cprintf("000\n");
1223         }
1224
1225 /*
1226  * list of users who have entered bios
1227  */
1228 void cmd_lbio(void) {
1229         char buf[256];
1230         FILE *ls;
1231         struct usersupp usbuf;
1232
1233         ls=popen("cd ./bio; ls","r");
1234         if (ls==NULL) {
1235                 cprintf("%d Cannot open listing.\n",ERROR+FILE_NOT_FOUND);
1236                 return;
1237                 }
1238
1239         cprintf("%d\n",LISTING_FOLLOWS);
1240         while (fgets(buf,255,ls)!=NULL)
1241                 if (getuserbynumber(&usbuf,atol(buf))==0)
1242                         cprintf("%s\n",usbuf.fullname);
1243         pclose(ls);
1244         cprintf("000\n");
1245         }
1246
1247
1248 /*
1249  * Administrative Get User Parameters
1250  */
1251 void cmd_agup(char *cmdbuf) {
1252         struct usersupp usbuf;
1253         char requested_user[256];
1254
1255         if ( (CC->internal_pgm==0)
1256            && ( (CC->logged_in == 0) || (is_aide()==0) ) ) {
1257                 cprintf("%d Higher access required.\n",
1258                         ERROR + HIGHER_ACCESS_REQUIRED);
1259                 return;
1260                 }
1261
1262         extract(requested_user, cmdbuf, 0);
1263         if (getuser(&usbuf, requested_user) != 0) {
1264                 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
1265                 return;
1266                 }
1267
1268         cprintf("%d %s|%s|%u|%d|%d|%d|%ld\n",
1269                 OK,
1270                 usbuf.fullname,
1271                 usbuf.password,
1272                 usbuf.flags,
1273                 usbuf.timescalled,
1274                 usbuf.posted,
1275                 (int)usbuf.axlevel,
1276                 usbuf.usernum);
1277
1278         }
1279
1280
1281
1282 /*
1283  * Administrative Set User Parameters
1284  */
1285 void cmd_asup(char *cmdbuf) {
1286         struct usersupp usbuf;
1287         char requested_user[256];
1288         int np;
1289         int newax;
1290
1291         if ( (CC->internal_pgm==0)
1292            && ( (CC->logged_in == 0) || (is_aide()==0) ) ) {
1293                 cprintf("%d Higher access required.\n",
1294                         ERROR + HIGHER_ACCESS_REQUIRED);
1295                 return;
1296                 }
1297
1298         extract(requested_user, cmdbuf, 0);
1299         if (lgetuser(&usbuf, requested_user) != 0) {
1300                 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
1301                 return;
1302                 }
1303
1304         np = num_parms(cmdbuf);
1305         if (np > 1) extract(usbuf.password, cmdbuf, 1);
1306         if (np > 2) usbuf.flags = extract_int(cmdbuf, 2);
1307         if (np > 3) usbuf.timescalled = extract_int(cmdbuf, 3);
1308         if (np > 4) usbuf.posted = extract_int(cmdbuf, 4);
1309         if (np > 5) {
1310                 newax = extract_int(cmdbuf, 5);
1311                 if ((newax >=0) && (newax <= 6)) {
1312                         usbuf.axlevel = extract_int(cmdbuf, 5);
1313                         }
1314                 }
1315
1316         lputuser(&usbuf, requested_user);
1317         if (usbuf.axlevel == 0) {
1318                 if (purge_user(requested_user)==0) {
1319                         cprintf("%d %s deleted.\n", OK, requested_user);
1320                         }
1321                 }
1322         cprintf("%d Ok\n", OK);
1323         }
1324
1325
1326 /*
1327  * Count the number of new mail messages the user has
1328  */
1329 int NewMailCount() {
1330         int num_newmsgs = 0;
1331         int a;
1332         char mailboxname[32];
1333         struct quickroom mailbox;
1334         struct visit vbuf;
1335
1336         MailboxName(mailboxname, &CC->usersupp, MAILROOM);
1337         if (getroom(&mailbox, mailboxname)!=0) return(0);
1338         CtdlGetRelationship(&vbuf, &CC->usersupp, &mailbox);
1339
1340         get_msglist(&mailbox);
1341         for (a=0; a<CC->num_msgs; ++a) {
1342                 if (MessageFromList(a)>0L) {
1343                         if (MessageFromList(a) > vbuf.v_lastseen) {
1344                                 ++num_newmsgs;
1345                                 }
1346                         }
1347                 }
1348
1349         return(num_newmsgs);
1350         }