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 /*
 110  * Define a relationship between a user and a room
 111  */
 112 void CtdlSetRelationship(struct visit *newvisit,
 113                         struct usersupp *rel_user,
 114                         struct quickroom *rel_room) {
 115
 116         struct cdbdata *cdbvisit;
 117         struct visit *visits;
 118         int num_visits;
 119         int a;
 120         int replaced = 0;
 121
 122         cdbvisit = cdb_fetch(CDB_VISIT, &rel_user->usernum, sizeof(long));
 123         if (cdbvisit != NULL) {
 124                 num_visits = cdbvisit->len / sizeof(struct visit);
 125                 visits = (struct visit *)
 126                         malloc(num_visits * sizeof(struct visit));
 127                 memcpy(visits, cdbvisit->ptr,
 128                         (num_visits * sizeof(struct visit)));
 129                 cdb_free(cdbvisit);
 130                 }
 131         else {
 132                 num_visits = 0;
 133                 visits = NULL;
 134                 }
 135
 136         /* Replace an existing relationship if possible */
 137         if (num_visits > 0) for (a=0; a<num_visits; ++a) {
 138                 if ( (!strcasecmp(visits[a].v_roomname, rel_room->QRname))
 139                    && (visits[a].v_generation == rel_room->QRgen) ) {
 140                         memcpy(&visits[a], newvisit, sizeof(struct visit));
 141                         replaced = 1;
 142                         }
 143                 }
 144
 145         /* Otherwise, define a new one */
 146         if (replaced == 0) {
 147                 ++num_visits;
 148                 visits = realloc(visits,
 149                         (num_visits * sizeof(struct visit)));
 150                 memcpy(&visits[num_visits-1], newvisit, sizeof(struct visit));
 151                 }
 152
 153         /* Now write the relationship back to disk */
 154         cdb_store(CDB_VISIT,
 155                 &rel_user->usernum, sizeof(long),
 156                 visits,
 157                 (num_visits * sizeof(struct visit)));
 158         free(visits);
 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                 }
 438         else {
 439                 p = (struct passwd *)getpwuid(CC->usersupp.USuid);
 440 #ifdef ENABLE_AUTOLOGIN
 441                 if (p!=NULL) {
 442                         if (!strcmp(p->pw_passwd,
 443                            (char *)crypt(password,p->pw_passwd))) {
 444                                 code = 0;
 445                                 lgetuser(&CC->usersupp, CC->curr_user);
 446                                 strcpy(CC->usersupp.password, password);
 447                                 lputuser(&CC->usersupp, CC->curr_user);
 448                                 }
 449                         }
 450 #endif
 451                 }
 452
 453         if (!code) {
 454                 (CC->logged_in) = 1;
 455                 session_startup();
 456                 }
 457         else {
 458                 cprintf("%d Wrong password.\n",ERROR);
 459                 rec_log(CL_BADPW,CC->curr_user);
 460                 }
 461         }
 462
 463
 464 /*
 465  * Delete a user record *and* all of its related resources.
 466  */
 467 int purge_user(char *pname) {
 468         char filename[64];
 469         char mailboxname[ROOMNAMELEN];
 470         struct usersupp usbuf;
 471         struct quickroom qrbuf;
 472
 473         if (getuser(&usbuf, pname) != 0) {
 474                 lprintf(5, "Cannot purge user <%s> - not found\n", pname);
 475                 return(ERROR+NO_SUCH_USER);
 476                 }
 477
 478         /* FIX   Don't delete a user who is currently logged in. */
 479
 480         /* Perform any purge functions registered by server extensions */
 481         PerformUserHooks(usbuf.fullname, usbuf.usernum, EVT_PURGEUSER);
 482
 483         /* delete any existing user/room relationships */
 484         cdb_delete(CDB_VISIT, &usbuf.usernum, sizeof(long));
 485
 486         /* Delete the user's mailbox and its contents */
 487         MailboxName(mailboxname, &usbuf, MAILROOM);
 488         if (getroom(&qrbuf, mailboxname)==0) {
 489                 delete_room(&qrbuf);
 490                 }
 491
 492         /* delete the userlog entry */
 493         cdb_delete(CDB_USERSUPP, pname, strlen(pname));
 494
 495         /* remove the user's bio file */
 496         sprintf(filename, "./bio/%ld", usbuf.usernum);
 497         unlink(filename);
 498
 499         /* remove the user's picture */
 500         sprintf(filename, "./userpics/%ld.gif", usbuf.usernum);
 501         unlink(filename);
 502
 503         return(0);
 504         }
 505
 506
 507 /*
 508  * create_user()  -  back end processing to create a new user
 509  */
 510 int create_user(char *newusername)
 511 {
 512         struct usersupp usbuf;
 513         int a;
 514         struct passwd *p = NULL;
 515         char username[64];
 516         char mailboxname[ROOMNAMELEN];
 517
 518         strcpy(username, newusername);
 519         strproc(username);
 520
 521 #ifdef ENABLE_AUTOLOGIN
 522         p = (struct passwd *)getpwnam(username);
 523 #endif
 524         if (p != NULL) {
 525                 strcpy(username, p->pw_gecos);
 526                 for (a=0; a<strlen(username); ++a) {
 527                         if (username[a] == ',') username[a] = 0;
 528                         }
 529                 CC->usersupp.USuid = p->pw_uid;
 530                 }
 531         else {
 532                 CC->usersupp.USuid = BBSUID;
 533                 }
 534
 535         if (!getuser(&usbuf,username)) {
 536                 return(ERROR+ALREADY_EXISTS);
 537                 }
 538
 539         strcpy(CC->curr_user,username);
 540         strcpy(CC->usersupp.fullname,username);
 541         strcpy(CC->usersupp.password,"");
 542         (CC->logged_in) = 1;
 543
 544         /* These are the default flags on new accounts */
 545         CC->usersupp.flags =
 546                 US_NEEDVALID|US_LASTOLD|US_DISAPPEAR|US_PAGINATOR|US_FLOORS;
 547
 548         CC->usersupp.timescalled = 0;
 549         CC->usersupp.posted = 0;
 550         CC->usersupp.axlevel = config.c_initax;
 551         CC->usersupp.USscreenwidth = 80;
 552         CC->usersupp.USscreenheight = 24;
 553         time(&CC->usersupp.lastcall);
 554         strcpy(CC->usersupp.USname, "");
 555         strcpy(CC->usersupp.USaddr, "");
 556         strcpy(CC->usersupp.UScity, "");
 557         strcpy(CC->usersupp.USstate, "");
 558         strcpy(CC->usersupp.USzip, "");
 559         strcpy(CC->usersupp.USphone, "");
 560
 561         /* fetch a new user number */
 562         CC->usersupp.usernum = get_new_user_number();
 563
 564         if (CC->usersupp.usernum == 1L) {
 565                 CC->usersupp.axlevel = 6;
 566                 }
 567
 568         /* add user to userlog */
 569         putuser(&CC->usersupp,CC->curr_user);
 570         if (getuser(&CC->usersupp,CC->curr_user)) {
 571                 return(ERROR+INTERNAL_ERROR);
 572                 }
 573
 574         /* give the user a private mailbox */
 575         MailboxName(mailboxname, &CC->usersupp, MAILROOM);
 576         create_room(mailboxname, 4, "", 0);
 577
 578         rec_log(CL_NEWUSER,CC->curr_user);
 579         return(0);
 580         }
 581
 582
 583
 584
 585 /*
 586  * cmd_newu()  -  create a new user account
 587  */
 588 void cmd_newu(char *cmdbuf)
 589 {
 590         int a;
 591         char username[256];
 592
 593         if ((CC->logged_in)) {
 594                 cprintf("%d Already logged in.\n",ERROR);
 595                 return;
 596                 }
 597
 598         if ((CC->nologin)) {
 599                 cprintf("%d %s: Too many users are already online (maximum is %d)\n",
 600                 ERROR+MAX_SESSIONS_EXCEEDED,
 601                 config.c_nodename,config.c_maxsessions);
 602                 }
 603
 604         extract(username,cmdbuf,0);
 605         username[25] = 0;
 606         strproc(username);
 607
 608         if (strlen(username)==0) {
 609                 cprintf("%d You must supply a user name.\n",ERROR);
 610                 return;
 611                 }
 612
 613         a = create_user(username);
 614         if ((!strcasecmp(username, "bbs")) ||
 615             (!strcasecmp(username, "new")) ||
 616             (!strcasecmp(username, ".")))
 617         {
 618            cprintf("%d '%s' is an invalid login name.\n", ERROR);
 619            return;
 620         }
 621         if (a==ERROR+ALREADY_EXISTS) {
 622                 cprintf("%d '%s' already exists.\n",
 623                         ERROR+ALREADY_EXISTS,username);
 624                 return;
 625                 }
 626         else if (a==ERROR+INTERNAL_ERROR) {
 627                 cprintf("%d Internal error - user record disappeared?\n",
 628                         ERROR+INTERNAL_ERROR);
 629                 return;
 630                 }
 631         else if (a==0) {
 632                 session_startup();
 633                 }
 634         else {
 635                 cprintf("%d unknown error\n",ERROR);
 636                 }
 637         rec_log(CL_NEWUSER,CC->curr_user);
 638         }
 639
 640
 641
 642 /*
 643  * set password
 644  */
 645 void cmd_setp(char *new_pw)
 646 {
 647         if (!(CC->logged_in)) {
 648                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 649                 return;
 650                 }
 651         if (CC->usersupp.USuid != BBSUID) {
 652                 cprintf("%d Not allowed.  Use the 'passwd' command.\n",ERROR);
 653                 return;
 654                 }
 655         strproc(new_pw);
 656         if (strlen(new_pw)==0) {
 657                 cprintf("%d Password unchanged.\n",OK);
 658                 return;
 659                 }
 660         lgetuser(&CC->usersupp,CC->curr_user);
 661         strcpy(CC->usersupp.password,new_pw);
 662         lputuser(&CC->usersupp,CC->curr_user);
 663         cprintf("%d Password changed.\n",OK);
 664         rec_log(CL_PWCHANGE,CC->curr_user);
 665         PerformSessionHooks(EVT_SETPASS);
 666         }
 667
 668 /*
 669  * get user parameters
 670  */
 671 void cmd_getu(void) {
 672         if (!(CC->logged_in)) {
 673                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 674                 return;
 675                 }
 676         getuser(&CC->usersupp,CC->curr_user);
 677         cprintf("%d %d|%d|%d\n",
 678                 OK,
 679                 CC->usersupp.USscreenwidth,
 680                 CC->usersupp.USscreenheight,
 681                 (CC->usersupp.flags & US_USER_SET)
 682                 );
 683         }
 684
 685 /*
 686  * set user parameters
 687  */
 688 void cmd_setu(char *new_parms)
 689 {
 690
 691         if (num_parms(new_parms)!=3) {
 692                 cprintf("%d Usage error.\n",ERROR);
 693                 return;
 694                 }
 695         if (!(CC->logged_in)) {
 696                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 697                 return;
 698                 }
 699         lgetuser(&CC->usersupp,CC->curr_user);
 700         CC->usersupp.USscreenwidth = extract_int(new_parms,0);
 701         CC->usersupp.USscreenheight = extract_int(new_parms,1);
 702         CC->usersupp.flags = CC->usersupp.flags & (~US_USER_SET);
 703         CC->usersupp.flags = CC->usersupp.flags |
 704                 (extract_int(new_parms,2) & US_USER_SET);
 705         lputuser(&CC->usersupp,CC->curr_user);
 706         cprintf("%d Ok\n",OK);
 707         }
 708
 709 /*
 710  * set last read pointer
 711  */
 712 void cmd_slrp(char *new_ptr)
 713 {
 714         long newlr;
 715         struct visit vbuf;
 716
 717         if (!(CC->logged_in)) {
 718                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 719                 return;
 720                 }
 721
 722         if (!strncasecmp(new_ptr,"highest",7)) {
 723                 newlr = CC->quickroom.QRhighest;
 724                 }
 725         else {
 726                 newlr = atol(new_ptr);
 727                 }
 728
 729         lgetuser(&CC->usersupp, CC->curr_user);
 730
 731         CtdlGetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
 732         vbuf.v_lastseen = newlr;
 733         CtdlSetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
 734
 735         lputuser(&CC->usersupp, CC->curr_user);
 736         cprintf("%d %ld\n",OK,newlr);
 737         }
 738
 739
 740 /*
 741  * INVT and KICK commands
 742  */
 743 void cmd_invt_kick(char *iuser, int op)
 744                         /* user name */
 745         {               /* 1 = invite, 0 = kick out */
 746         struct usersupp USscratch;
 747         char bbb[256];
 748         struct visit vbuf;
 749
 750         if (!(CC->logged_in)) {
 751                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 752                 return;
 753                 }
 754
 755         if (is_room_aide()==0) {
 756                 cprintf("%d Higher access required.\n",
 757                         ERROR+HIGHER_ACCESS_REQUIRED);
 758                 return;
 759                 }
 760
 761         if (lgetuser(&USscratch,iuser)!=0) {
 762                 cprintf("%d No such user.\n",ERROR);
 763                 return;
 764                 }
 765
 766         CtdlGetRelationship(&vbuf, &USscratch, &CC->quickroom);
 767
 768         if (op==1) {
 769                 vbuf.v_flags = vbuf.v_flags & ~V_FORGET & ~V_LOCKOUT;
 770                 vbuf.v_flags = vbuf.v_flags | V_ACCESS;
 771                 }
 772
 773         if (op==0) {
 774                 vbuf.v_flags = vbuf.v_flags & ~V_ACCESS;
 775                 vbuf.v_flags = vbuf.v_flags | V_FORGET | V_LOCKOUT;
 776                 }
 777
 778         CtdlSetRelationship(&vbuf, &USscratch, &CC->quickroom);
 779
 780         lputuser(&USscratch,iuser);
 781
 782         /* post a message in Aide> saying what we just did */
 783         sprintf(bbb,"%s %s %s> by %s",
 784                 iuser,
 785                 ((op == 1) ? "invited to" : "kicked out of"),
 786                 CC->quickroom.QRname,
 787                 CC->usersupp.fullname);
 788         aide_message(bbb);
 789
 790         cprintf("%d %s %s %s.\n",
 791                 OK, iuser,
 792                 ((op == 1) ? "invited to" : "kicked out of"),
 793                 CC->quickroom.QRname);
 794         return;
 795         }
 796
 797
 798 /*
 799  * forget (Zap) the current room
 800  */
 801 void cmd_forg(void) {
 802         struct visit vbuf;
 803
 804         if (!(CC->logged_in)) {
 805                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 806                 return;
 807                 }
 808
 809         if (is_aide()) {
 810                 cprintf("%d Aides cannot forget rooms.\n",ERROR);
 811                 return;
 812                 }
 813
 814         lgetuser(&CC->usersupp,CC->curr_user);
 815         CtdlGetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
 816
 817         vbuf.v_flags = vbuf.v_flags | V_FORGET;
 818
 819         CtdlSetRelationship(&vbuf, &CC->usersupp, &CC->quickroom);
 820         lputuser(&CC->usersupp,CC->curr_user);
 821         cprintf("%d Ok\n",OK);
 822         usergoto(BASEROOM, 0);
 823         }
 824
 825 /*
 826  * Get Next Unregistered User
 827  */
 828 void cmd_gnur(void) {
 829         struct cdbdata *cdbus;
 830         struct usersupp usbuf;
 831
 832         if (!(CC->logged_in)) {
 833                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 834                 return;
 835                 }
 836
 837         if (CC->usersupp.axlevel < 6) {
 838                 cprintf("%d Higher access required.\n",
 839                         ERROR+HIGHER_ACCESS_REQUIRED);
 840                 return;
 841                 }
 842
 843         if ((CitControl.MMflags&MM_VALID)==0) {
 844                 cprintf("%d There are no unvalidated users.\n",OK);
 845                 return;
 846                 }
 847
 848         /* There are unvalidated users.  Traverse the usersupp database,
 849          * and return the first user we find that needs validation.
 850          */
 851         cdb_rewind(CDB_USERSUPP);
 852         while (cdbus = cdb_next_item(CDB_USERSUPP), cdbus != NULL) {
 853                 bzero(&usbuf, sizeof(struct usersupp));
 854                 memcpy(&usbuf, cdbus->ptr,
 855                         ( (cdbus->len > sizeof(struct usersupp)) ?
 856                         sizeof(struct usersupp) : cdbus->len) );
 857                 cdb_free(cdbus);
 858                 if ((usbuf.flags & US_NEEDVALID)
 859                    &&(usbuf.axlevel > 0)) {
 860                         cprintf("%d %s\n",MORE_DATA,usbuf.fullname);
 861                         return;
 862                         }
 863                 }
 864
 865         /* If we get to this point, there are no more unvalidated users.
 866          * Therefore we clear the "users need validation" flag.
 867          */
 868
 869         begin_critical_section(S_CONTROL);
 870         get_control();
 871         CitControl.MMflags = CitControl.MMflags&(~MM_VALID);
 872         put_control();
 873         end_critical_section(S_CONTROL);
 874         cprintf("%d *** End of registration.\n",OK);
 875
 876
 877         }
 878
 879
 880 /*
 881  * get registration info for a user
 882  */
 883 void cmd_greg(char *who)
 884 {
 885         struct usersupp usbuf;
 886         int a,b;
 887         char pbuf[32];
 888
 889         if (!(CC->logged_in)) {
 890                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 891                 return;
 892                 }
 893
 894         if (!strcasecmp(who,"_SELF_")) strcpy(who,CC->curr_user);
 895
 896         if ((CC->usersupp.axlevel < 6) && (strcasecmp(who,CC->curr_user))) {
 897                 cprintf("%d Higher access required.\n",
 898                         ERROR+HIGHER_ACCESS_REQUIRED);
 899                 return;
 900                 }
 901
 902         if (getuser(&usbuf,who) != 0) {
 903                 cprintf("%d '%s' not found.\n",ERROR+NO_SUCH_USER,who);
 904                 return;
 905                 }
 906
 907         cprintf("%d %s\n",LISTING_FOLLOWS,usbuf.fullname);
 908         cprintf("%ld\n",usbuf.usernum);
 909         cprintf("%s\n",usbuf.password);
 910         cprintf("%s\n",usbuf.USname);
 911         cprintf("%s\n",usbuf.USaddr);
 912         cprintf("%s\n%s\n%s\n",
 913                 usbuf.UScity,usbuf.USstate,usbuf.USzip);
 914         strcpy(pbuf,usbuf.USphone);
 915         usbuf.USphone[0]=0;
 916         for (a=0; a<strlen(pbuf); ++a) {
 917                 if ((pbuf[a]>='0')&&(pbuf[a]<='9')) {
 918                         b=strlen(usbuf.USphone);
 919                         usbuf.USphone[b]=pbuf[a];
 920                         usbuf.USphone[b+1]=0;
 921                         }
 922                 }
 923         while(strlen(usbuf.USphone)<10) {
 924                 strcpy(pbuf,usbuf.USphone);
 925                 strcpy(usbuf.USphone," ");
 926                 strcat(usbuf.USphone,pbuf);
 927                 }
 928
 929         cprintf("(%c%c%c) %c%c%c-%c%c%c%c\n",
 930                 usbuf.USphone[0],usbuf.USphone[1],
 931                 usbuf.USphone[2],usbuf.USphone[3],
 932                 usbuf.USphone[4],usbuf.USphone[5],
 933                 usbuf.USphone[6],usbuf.USphone[7],
 934                 usbuf.USphone[8],usbuf.USphone[9]);
 935
 936         cprintf("%d\n",usbuf.axlevel);
 937         cprintf("%s\n",usbuf.USemail);
 938         cprintf("000\n");
 939         }
 940
 941 /*
 942  * validate a user
 943  */
 944 void cmd_vali(char *v_args)
 945 {
 946         char user[256];
 947         int newax;
 948         struct usersupp userbuf;
 949
 950         extract(user,v_args,0);
 951         newax = extract_int(v_args,1);
 952
 953         if (!(CC->logged_in)) {
 954                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 955                 return;
 956                 }
 957
 958         if (CC->usersupp.axlevel < 6) {
 959                 cprintf("%d Higher access required.\n",
 960                         ERROR+HIGHER_ACCESS_REQUIRED);
 961                 return;
 962                 }
 963
 964         if (lgetuser(&userbuf,user)!=0) {
 965                 cprintf("%d '%s' not found.\n",ERROR+NO_SUCH_USER,user);
 966                 return;
 967                 }
 968
 969         userbuf.axlevel = newax;
 970         userbuf.flags = (userbuf.flags & ~US_NEEDVALID);
 971
 972         lputuser(&userbuf,user);
 973
 974         /* If the access level was set to zero, delete the user */
 975         if (newax == 0) {
 976                 if (purge_user(user)==0) {
 977                         cprintf("%d %s Deleted.\n", OK, userbuf.fullname);
 978                         return;
 979                         }
 980                 }
 981
 982         cprintf("%d ok\n",OK);
 983         }
 984
 985
 986
 987 /*
 988  *  Traverse the user file...
 989  */
 990 void ForEachUser(void (*CallBack)(struct usersupp *EachUser)) {
 991         struct usersupp usbuf;
 992         struct cdbdata *cdbus;
 993
 994         cdb_rewind(CDB_USERSUPP);
 995
 996         while(cdbus = cdb_next_item(CDB_USERSUPP), cdbus != NULL) {
 997                 bzero(&usbuf, sizeof(struct usersupp));
 998                 memcpy(&usbuf, cdbus->ptr,
 999                         ( (cdbus->len > sizeof(struct usersupp)) ?
1000                         sizeof(struct usersupp) : cdbus->len) );
1001                 cdb_free(cdbus);
1002                 (*CallBack)(&usbuf);
1003                 }
1004         }
1005
1006
1007 /*
1008  * List one user (this works with cmd_list)
1009  */
1010 void ListThisUser(struct usersupp *usbuf) {
1011         if (usbuf->axlevel > 0) {
1012                 if ((CC->usersupp.axlevel>=6)
1013                    ||((usbuf->flags&US_UNLISTED)==0)
1014                    ||((CC->internal_pgm))) {
1015                         cprintf("%s|%d|%ld|%ld|%d|%d|",
1016                                 usbuf->fullname,
1017                                 usbuf->axlevel,
1018                                 usbuf->usernum,
1019                                 usbuf->lastcall,
1020                                 usbuf->timescalled,
1021                                 usbuf->posted);
1022                         if (CC->usersupp.axlevel >= 6)
1023                                 cprintf("%s",usbuf->password);
1024                         cprintf("\n");
1025                         }
1026                 }
1027         }
1028
1029 /*
1030  *  List users
1031  */
1032 void cmd_list(void) {
1033         cprintf("%d \n",LISTING_FOLLOWS);
1034         ForEachUser(ListThisUser);
1035         cprintf("000\n");
1036         }
1037
1038
1039 /*
1040  * enter registration info
1041  */
1042 void cmd_regi(void) {
1043         int a,b,c;
1044         char buf[256];
1045
1046         char tmpname[256];
1047         char tmpaddr[256];
1048         char tmpcity[256];
1049         char tmpstate[256];
1050         char tmpzip[256];
1051         char tmpphone[256];
1052         char tmpemail[256];
1053
1054         if (!(CC->logged_in)) {
1055                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
1056                 return;
1057                 }
1058
1059         strcpy(tmpname,"");
1060         strcpy(tmpaddr,"");
1061         strcpy(tmpcity,"");
1062         strcpy(tmpstate,"");
1063         strcpy(tmpzip,"");
1064         strcpy(tmpphone,"");
1065         strcpy(tmpemail,"");
1066
1067         cprintf("%d Send registration...\n",SEND_LISTING);
1068         a=0;
1069         while (client_gets(buf), strcmp(buf,"000")) {
1070                 if (a==0) strcpy(tmpname,buf);
1071                 if (a==1) strcpy(tmpaddr,buf);
1072                 if (a==2) strcpy(tmpcity,buf);
1073                 if (a==3) strcpy(tmpstate,buf);
1074                 if (a==4) {
1075                         for (c=0; c<strlen(buf); ++c) {
1076                                 if ((buf[c]>='0')&&(buf[c]<='9')) {
1077                                         b=strlen(tmpzip);
1078                                         tmpzip[b]=buf[c];
1079                                         tmpzip[b+1]=0;
1080                                         }
1081                                 }
1082                         }
1083                 if (a==5) {
1084                         for (c=0; c<strlen(buf); ++c) {
1085                                 if ((buf[c]>='0')&&(buf[c]<='9')) {
1086                                         b=strlen(tmpphone);
1087                                         tmpphone[b]=buf[c];
1088                                         tmpphone[b+1]=0;
1089                                         }
1090                                 }
1091                         }
1092                 if (a==6) strncpy(tmpemail,buf,31);
1093                 ++a;
1094                 }
1095
1096         tmpname[29]=0;
1097         tmpaddr[24]=0;
1098         tmpcity[14]=0;
1099         tmpstate[2]=0;
1100         tmpzip[9]=0;
1101         tmpphone[10]=0;
1102         tmpemail[31]=0;
1103
1104         lgetuser(&CC->usersupp,CC->curr_user);
1105         strcpy(CC->usersupp.USname,tmpname);
1106         strcpy(CC->usersupp.USaddr,tmpaddr);
1107         strcpy(CC->usersupp.UScity,tmpcity);
1108         strcpy(CC->usersupp.USstate,tmpstate);
1109         strcpy(CC->usersupp.USzip,tmpzip);
1110         strcpy(CC->usersupp.USphone,tmpphone);
1111         strcpy(CC->usersupp.USemail,tmpemail);
1112         CC->usersupp.flags=(CC->usersupp.flags|US_REGIS|US_NEEDVALID);
1113         lputuser(&CC->usersupp,CC->curr_user);
1114
1115         /* set global flag calling for validation */
1116         begin_critical_section(S_CONTROL);
1117         get_control();
1118         CitControl.MMflags = CitControl.MMflags | MM_VALID ;
1119         put_control();
1120         end_critical_section(S_CONTROL);
1121         cprintf("%d *** End of registration.\n",OK);
1122         }
1123
1124
1125 /*
1126  * assorted info we need to check at login
1127  */
1128 void cmd_chek(void) {
1129         int mail = 0;
1130         int regis = 0;
1131         int vali = 0;
1132
1133         if (!(CC->logged_in)) {
1134                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
1135                 return;
1136                 }
1137
1138         getuser(&CC->usersupp,CC->curr_user); /* no lock is needed here */
1139         if ((REGISCALL!=0)&&((CC->usersupp.flags&US_REGIS)==0)) regis = 1;
1140
1141         if (CC->usersupp.axlevel >= 6) {
1142                 get_control();
1143                 if (CitControl.MMflags&MM_VALID) vali = 1;
1144                 }
1145
1146
1147         /* check for mail */
1148         mail = NewMailCount();
1149
1150         cprintf("%d %d|%d|%d\n",OK,mail,regis,vali);
1151         }
1152
1153
1154 /*
1155  * check to see if a user exists
1156  */
1157 void cmd_qusr(char *who)
1158 {
1159         struct usersupp usbuf;
1160
1161         if (getuser(&usbuf,who) == 0) {
1162                 cprintf("%d %s\n",OK,usbuf.fullname);
1163                 }
1164         else {
1165                 cprintf("%d No such user.\n",ERROR+NO_SUCH_USER);
1166                 }
1167         }
1168
1169
1170 /*
1171  * enter user bio
1172  */
1173 void cmd_ebio(void) {
1174         char buf[256];
1175         FILE *fp;
1176
1177         if (!(CC->logged_in)) {
1178                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
1179                 return;
1180                 }
1181
1182         sprintf(buf,"./bio/%ld",CC->usersupp.usernum);
1183         fp = fopen(buf,"w");
1184         if (fp == NULL) {
1185                 cprintf("%d Cannot create file\n",ERROR);
1186                 return;
1187                 }
1188         cprintf("%d  \n",SEND_LISTING);
1189         while(client_gets(buf), strcmp(buf,"000")) {
1190                 fprintf(fp,"%s\n",buf);
1191                 }
1192         fclose(fp);
1193         }
1194
1195 /*
1196  * read user bio
1197  */
1198 void cmd_rbio(char *cmdbuf)
1199 {
1200         struct usersupp ruser;
1201         char buf[256];
1202         FILE *fp;
1203
1204         extract(buf,cmdbuf,0);
1205         if (getuser(&ruser,buf)!=0) {
1206                 cprintf("%d No such user.\n",ERROR+NO_SUCH_USER);
1207                 return;
1208                 }
1209         sprintf(buf,"./bio/%ld",ruser.usernum);
1210
1211         fp = fopen(buf,"r");
1212         if (fp == NULL) {
1213                 cprintf("%d %s has no bio on file.\n",
1214                         ERROR+FILE_NOT_FOUND,ruser.fullname);
1215                 return;
1216                 }
1217         cprintf("%d  \n",LISTING_FOLLOWS);
1218         while (fgets(buf,256,fp)!=NULL) cprintf("%s",buf);
1219         fclose(fp);
1220         cprintf("000\n");
1221         }
1222
1223 /*
1224  * list of users who have entered bios
1225  */
1226 void cmd_lbio(void) {
1227         char buf[256];
1228         FILE *ls;
1229         struct usersupp usbuf;
1230
1231         ls=popen("cd ./bio; ls","r");
1232         if (ls==NULL) {
1233                 cprintf("%d Cannot open listing.\n",ERROR+FILE_NOT_FOUND);
1234                 return;
1235                 }
1236
1237         cprintf("%d\n",LISTING_FOLLOWS);
1238         while (fgets(buf,255,ls)!=NULL)
1239                 if (getuserbynumber(&usbuf,atol(buf))==0)
1240                         cprintf("%s\n",usbuf.fullname);
1241         pclose(ls);
1242         cprintf("000\n");
1243         }
1244
1245
1246 /*
1247  * Administrative Get User Parameters
1248  */
1249 void cmd_agup(char *cmdbuf) {
1250         struct usersupp usbuf;
1251         char requested_user[256];
1252
1253         if ( (CC->internal_pgm==0)
1254            && ( (CC->logged_in == 0) || (is_aide()==0) ) ) {
1255                 cprintf("%d Higher access required.\n",
1256                         ERROR + HIGHER_ACCESS_REQUIRED);
1257                 return;
1258                 }
1259
1260         extract(requested_user, cmdbuf, 0);
1261         if (getuser(&usbuf, requested_user) != 0) {
1262                 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
1263                 return;
1264                 }
1265
1266         cprintf("%d %s|%s|%u|%d|%d|%d|%ld\n",
1267                 OK,
1268                 usbuf.fullname,
1269                 usbuf.password,
1270                 usbuf.flags,
1271                 usbuf.timescalled,
1272                 usbuf.posted,
1273                 (int)usbuf.axlevel,
1274                 usbuf.usernum);
1275
1276         }
1277
1278
1279
1280 /*
1281  * Administrative Set User Parameters
1282  */
1283 void cmd_asup(char *cmdbuf) {
1284         struct usersupp usbuf;
1285         char requested_user[256];
1286         int np;
1287         int newax;
1288
1289         if ( (CC->internal_pgm==0)
1290            && ( (CC->logged_in == 0) || (is_aide()==0) ) ) {
1291                 cprintf("%d Higher access required.\n",
1292                         ERROR + HIGHER_ACCESS_REQUIRED);
1293                 return;
1294                 }
1295
1296         extract(requested_user, cmdbuf, 0);
1297         if (lgetuser(&usbuf, requested_user) != 0) {
1298                 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
1299                 return;
1300                 }
1301
1302         np = num_parms(cmdbuf);
1303         if (np > 1) extract(usbuf.password, cmdbuf, 1);
1304         if (np > 2) usbuf.flags = extract_int(cmdbuf, 2);
1305         if (np > 3) usbuf.timescalled = extract_int(cmdbuf, 3);
1306         if (np > 4) usbuf.posted = extract_int(cmdbuf, 4);
1307         if (np > 5) {
1308                 newax = extract_int(cmdbuf, 5);
1309                 if ((newax >=0) && (newax <= 6)) {
1310                         usbuf.axlevel = extract_int(cmdbuf, 5);
1311                         }
1312                 }
1313
1314         lputuser(&usbuf, requested_user);
1315         if (usbuf.axlevel == 0) {
1316                 if (purge_user(requested_user)==0) {
1317                         cprintf("%d %s deleted.\n", OK, requested_user);
1318                         }
1319                 }
1320         cprintf("%d Ok\n", OK);
1321         }
1322
1323
1324 /*
1325  * Count the number of new mail messages the user has
1326  */
1327 int NewMailCount() {
1328         int num_newmsgs = 0;
1329         int a;
1330         char mailboxname[32];
1331         struct quickroom mailbox;
1332         struct visit vbuf;
1333
1334         MailboxName(mailboxname, &CC->usersupp, MAILROOM);
1335         if (getroom(&mailbox, mailboxname)!=0) return(0);
1336         CtdlGetRelationship(&vbuf, &CC->usersupp, &mailbox);
1337
1338         get_msglist(&mailbox);
1339         for (a=0; a<CC->num_msgs; ++a) {
1340                 if (MessageFromList(a)>0L) {
1341                         if (MessageFromList(a) > vbuf.v_lastseen) {
1342                                 ++num_newmsgs;
1343                                 }
1344                         }
1345                 }
1346
1347         return(num_newmsgs);
1348         }