citadel/user_ops.c

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