citadel/user_ops.c

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