citadel/user_ops.c

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