citadel/user_ops.c

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