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 #include "database.h"
  21
  22 extern struct config config;
  23
  24
  25 /*
  26  * hash()  -  hash table function for user lookup
  27  */
  28 int hash(char *str)
  29 {
  30         int h = 0;
  31         int i;
  32
  33         for (i=0; i<strlen(str); ++i) h=h+((i+1)*tolower(str[i]));
  34         return(h);
  35         }
  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  * Is the user currently logged in an Aide?
 111  */
 112 int is_aide(void) {
 113         if (CC->usersupp.axlevel >= 6) return(1);
 114         else return(0);
 115         }
 116
 117
 118 /*
 119  * Is the user currently logged in an Aide *or* the room aide for this room?
 120  */
 121 int is_room_aide(void) {
 122         if ( (CC->usersupp.axlevel >= 6)
 123            || (CC->quickroom.QRroomaide == CC->usersupp.usernum) ) {
 124                 return(1);
 125                 }
 126         else {
 127                 return(0);
 128                 }
 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,
 144                         ( (cdbus->len > sizeof(struct usersupp)) ?
 145                         sizeof(struct usersupp) : cdbus->len) );
 146                 cdb_free(cdbus);
 147                 if (usbuf->usernum == number) {
 148                         return(0);
 149                         }
 150                 }
 151         return(-1);
 152         }
 153
 154
 155 /*
 156  * USER cmd
 157  */
 158 void cmd_user(char *cmdbuf)
 159 {
 160         char username[256];
 161         char autoname[256];
 162         int found_user = 0;
 163         struct passwd *p;
 164         int a;
 165
 166         extract(username,cmdbuf,0);
 167         username[25] = 0;
 168         strproc(username);
 169
 170         if ((CC->logged_in)) {
 171                 cprintf("%d Already logged in.\n",ERROR);
 172                 return;
 173                 }
 174
 175         found_user = getuser(&CC->usersupp,username);
 176         if (found_user != 0) {
 177                 p = (struct passwd *)getpwnam(username);
 178                 if (p!=NULL) {
 179                         strcpy(autoname,p->pw_gecos);
 180                         for (a=0; a<strlen(autoname); ++a)
 181                                 if (autoname[a]==',') autoname[a]=0;
 182                         found_user = getuser(&CC->usersupp,autoname);
 183                         }
 184                 }
 185         if (found_user == 0) {
 186                 if (((CC->nologin)) && (CC->usersupp.axlevel < 6)) {
 187                         cprintf("%d %s: Too many users are already online (maximum is %d)\n",
 188                         ERROR+MAX_SESSIONS_EXCEEDED,
 189                         config.c_nodename,config.c_maxsessions);
 190                         }
 191                 else {
 192                         strcpy(CC->curr_user,CC->usersupp.fullname);
 193                         cprintf("%d Password required for %s\n",
 194                                 MORE_DATA,CC->curr_user);
 195                         }
 196                 }
 197         else {
 198                 cprintf("%d %s not found.\n",ERROR,username);
 199                 }
 200         }
 201
 202
 203
 204 /*
 205  * session startup code which is common to both cmd_pass() and cmd_newu()
 206  */
 207 void session_startup(void) {
 208         int a;
 209         struct quickroom qr;
 210
 211         syslog(LOG_NOTICE,"user <%s> logged in",CC->curr_user);
 212         hook_user_login(CC->cs_pid, CC->curr_user);
 213         lgetuser(&CC->usersupp,CC->curr_user);
 214         ++(CC->usersupp.timescalled);
 215         CC->fake_username[0] = '\0';
 216         CC->fake_postname[0] = '\0';
 217         CC->fake_hostname[0] = '\0';
 218         CC->fake_roomname[0] = '\0';
 219         CC->last_pager[0] = '\0';
 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 (!strcasecmp(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                 strproc(CC->usersupp.password);
 293                 code = strcasecmp(CC->usersupp.password,password);
 294                 }
 295         else {
 296                 p = (struct passwd *)getpwuid(CC->usersupp.USuid);
 297 #ifdef ENABLE_AUTOLOGIN
 298                 if (p!=NULL) {
 299                         if (!strcmp(p->pw_passwd,
 300                            (char *)crypt(password,p->pw_passwd))) {
 301                                 code = 0;
 302                                 lgetuser(&CC->usersupp, CC->curr_user);
 303                                 strcpy(CC->usersupp.password, password);
 304                                 lputuser(&CC->usersupp, CC->curr_user);
 305                                 }
 306                         }
 307 #endif
 308                 }
 309
 310         if (!code) {
 311                 (CC->logged_in) = 1;
 312                 session_startup();
 313                 }
 314         else {
 315                 cprintf("%d Wrong password.\n",ERROR);
 316                 rec_log(CL_BADPW,CC->curr_user);
 317                 }
 318         }
 319
 320
 321 /*
 322  * purge related files when removing or overwriting a user record
 323  */
 324 void purge_user(char *pname) {
 325         char filename[64];
 326         struct usersupp usbuf;
 327         int a;
 328         struct cdbdata *cdbmb;
 329         long *mailbox;
 330         int num_mails;
 331
 332         if (getuser(&usbuf, pname) != 0) {
 333                 lprintf(5, "Cannot purge user <%s> - not found\n", pname);
 334                 return;
 335                 }
 336
 337         /* delete any messages in the user's mailbox */
 338         cdbmb = cdb_fetch(CDB_MAILBOXES, &usbuf.usernum, sizeof(long));
 339         if (cdbmb != NULL) {
 340                 num_mails = cdbmb->len / sizeof(long);
 341                 mailbox = (long *) cdbmb->ptr;
 342                 if (num_mails > 0) for (a=0; a<num_mails; ++a) {
 343                         cdb_delete(CDB_MSGMAIN, &mailbox[a], sizeof(long));
 344                         }
 345                 cdb_free(cdbmb);
 346                 /* now delete the mailbox itself */
 347                 cdb_delete(CDB_MAILBOXES, &usbuf.usernum, sizeof(long));
 348                 }
 349
 350
 351         /* delete the userlog entry */
 352         cdb_delete(CDB_USERSUPP, pname, strlen(pname));
 353
 354         /* remove the user's bio file */
 355         sprintf(filename, "./bio/%ld", usbuf.usernum);
 356         unlink(filename);
 357
 358         /* remove the user's picture */
 359         sprintf(filename, "./userpics/%ld.gif", usbuf.usernum);
 360         unlink(filename);
 361
 362         }
 363
 364
 365 /*
 366  * create_user()  -  back end processing to create a new user
 367  */
 368 int create_user(char *newusername)
 369 {
 370         struct usersupp usbuf;
 371         int a;
 372         struct passwd *p = NULL;
 373         char username[64];
 374
 375         strcpy(username, newusername);
 376         strproc(username);
 377
 378 #ifdef ENABLE_AUTOLOGIN
 379         p = (struct passwd *)getpwnam(username);
 380 #endif
 381         if (p != NULL) {
 382                 strcpy(username, p->pw_gecos);
 383                 for (a=0; a<strlen(username); ++a) {
 384                         if (username[a] == ',') username[a] = 0;
 385                         }
 386                 CC->usersupp.USuid = p->pw_uid;
 387                 }
 388         else {
 389                 CC->usersupp.USuid = BBSUID;
 390                 }
 391
 392         if (!getuser(&usbuf,username)) {
 393                 return(ERROR+ALREADY_EXISTS);
 394                 }
 395
 396         strcpy(CC->curr_user,username);
 397         strcpy(CC->usersupp.fullname,username);
 398         (CC->logged_in) = 1;
 399
 400         for (a=0; a<MAXROOMS; ++a) {
 401                 CC->usersupp.lastseen[a]=0L;
 402                 CC->usersupp.generation[a]=(-1);
 403                 CC->usersupp.forget[a]=(-1);
 404                 }
 405         strcpy(CC->usersupp.password,"");
 406
 407         /* These are the default flags on new accounts */
 408         CC->usersupp.flags =
 409                 US_NEEDVALID|US_LASTOLD|US_DISAPPEAR|US_PAGINATOR|US_FLOORS;
 410
 411         CC->usersupp.timescalled = 0;
 412         CC->usersupp.posted = 0;
 413         CC->usersupp.axlevel = INITAX;
 414         CC->usersupp.USscreenwidth = 80;
 415         CC->usersupp.USscreenheight = 24;
 416         time(&CC->usersupp.lastcall);
 417         strcpy(CC->usersupp.USname, "");
 418         strcpy(CC->usersupp.USaddr, "");
 419         strcpy(CC->usersupp.UScity, "");
 420         strcpy(CC->usersupp.USstate, "");
 421         strcpy(CC->usersupp.USzip, "");
 422         strcpy(CC->usersupp.USphone, "");
 423
 424         /* fetch a new user number */
 425         CC->usersupp.usernum = get_new_user_number();
 426
 427         if (CC->usersupp.usernum == 1L) {
 428                 CC->usersupp.axlevel = 6;
 429                 }
 430
 431         /* add user to userlog */
 432         putuser(&CC->usersupp,CC->curr_user);
 433         if (getuser(&CC->usersupp,CC->curr_user)) {
 434                 return(ERROR+INTERNAL_ERROR);
 435                 }
 436         rec_log(CL_NEWUSER,CC->curr_user);
 437         return(0);
 438         }
 439
 440
 441
 442
 443 /*
 444  * cmd_newu()  -  create a new user account
 445  */
 446 void cmd_newu(char *cmdbuf)
 447 {
 448         int a;
 449         char username[256];
 450
 451         if ((CC->logged_in)) {
 452                 cprintf("%d Already logged in.\n",ERROR);
 453                 return;
 454                 }
 455
 456         if ((CC->nologin)) {
 457                 cprintf("%d %s: Too many users are already online (maximum is %d)\n",
 458                 ERROR+MAX_SESSIONS_EXCEEDED,
 459                 config.c_nodename,config.c_maxsessions);
 460                 }
 461
 462         extract(username,cmdbuf,0);
 463         username[25] = 0;
 464         strproc(username);
 465
 466         if (strlen(username)==0) {
 467                 cprintf("%d You must supply a user name.\n",ERROR);
 468                 return;
 469                 }
 470
 471         a = create_user(username);
 472         if ((!strcasecmp(username, "bbs")) ||
 473             (!strcasecmp(username, "new")) ||
 474             (!strcasecmp(username, ".")))
 475         {
 476            cprintf("%d '%s' is an invalid login name.\n", ERROR);
 477            return;
 478         }
 479         if (a==ERROR+ALREADY_EXISTS) {
 480                 cprintf("%d '%s' already exists.\n",
 481                         ERROR+ALREADY_EXISTS,username);
 482                 return;
 483                 }
 484         else if (a==ERROR+INTERNAL_ERROR) {
 485                 cprintf("%d Internal error - user record disappeared?\n",
 486                         ERROR+INTERNAL_ERROR);
 487                 return;
 488                 }
 489         else if (a==0) {
 490                 session_startup();
 491                 }
 492         else {
 493                 cprintf("%d unknown error\n",ERROR);
 494                 }
 495         rec_log(CL_NEWUSER,CC->curr_user);
 496         }
 497
 498
 499
 500 /*
 501  * set password
 502  */
 503 void cmd_setp(char *new_pw)
 504 {
 505         if (!(CC->logged_in)) {
 506                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 507                 return;
 508                 }
 509         if (CC->usersupp.USuid != BBSUID) {
 510                 cprintf("%d Not allowed.  Use the 'passwd' command.\n",ERROR);
 511                 return;
 512                 }
 513         strproc(new_pw);
 514         if (strlen(new_pw)==0) {
 515                 cprintf("%d Password unchanged.\n",OK);
 516                 return;
 517                 }
 518         lgetuser(&CC->usersupp,CC->curr_user);
 519         strcpy(CC->usersupp.password,new_pw);
 520         lputuser(&CC->usersupp,CC->curr_user);
 521         cprintf("%d Password changed.\n",OK);
 522         rec_log(CL_PWCHANGE,CC->curr_user);
 523         }
 524
 525 /*
 526  * get user parameters
 527  */
 528 void cmd_getu(void) {
 529         if (!(CC->logged_in)) {
 530                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 531                 return;
 532                 }
 533         getuser(&CC->usersupp,CC->curr_user);
 534         cprintf("%d %d|%d|%d\n",
 535                 OK,
 536                 CC->usersupp.USscreenwidth,
 537                 CC->usersupp.USscreenheight,
 538                 (CC->usersupp.flags & US_USER_SET)
 539                 );
 540         }
 541
 542 /*
 543  * set user parameters
 544  */
 545 void cmd_setu(char *new_parms)
 546 {
 547
 548         if (num_parms(new_parms)!=3) {
 549                 cprintf("%d Usage error.\n",ERROR);
 550                 return;
 551                 }
 552         if (!(CC->logged_in)) {
 553                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 554                 return;
 555                 }
 556         lgetuser(&CC->usersupp,CC->curr_user);
 557         CC->usersupp.USscreenwidth = extract_int(new_parms,0);
 558         CC->usersupp.USscreenheight = extract_int(new_parms,1);
 559         CC->usersupp.flags = CC->usersupp.flags & (~US_USER_SET);
 560         CC->usersupp.flags = CC->usersupp.flags |
 561                 (extract_int(new_parms,2) & US_USER_SET);
 562         lputuser(&CC->usersupp,CC->curr_user);
 563         cprintf("%d Ok\n",OK);
 564         }
 565
 566 /*
 567  * set last read pointer
 568  */
 569 void cmd_slrp(char *new_ptr)
 570 {
 571         long newlr;
 572
 573         if (!(CC->logged_in)) {
 574                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 575                 return;
 576                 }
 577
 578         if (CC->curr_rm < 0) {
 579                 cprintf("%d No current room.\n",ERROR);
 580                 return;
 581                 }
 582
 583         if (!strncasecmp(new_ptr,"highest",7)) {
 584                 newlr = CC->quickroom.QRhighest;
 585                 }
 586         else {
 587                 newlr = atol(new_ptr);
 588                 }
 589
 590         lgetuser(&CC->usersupp, CC->curr_user);
 591         CC->usersupp.lastseen[CC->curr_rm] = newlr;
 592         lputuser(&CC->usersupp, CC->curr_user);
 593         cprintf("%d %ld\n",OK,newlr);
 594         }
 595
 596
 597 /*
 598  * INVT and KICK commands
 599  */
 600 void cmd_invt_kick(char *iuser, int op)
 601                         /* user name */
 602         {               /* 1 = invite, 0 = kick out */
 603         struct usersupp USscratch;
 604         char bbb[256];
 605
 606         if (!(CC->logged_in)) {
 607                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 608                 return;
 609                 }
 610
 611         if (CC->curr_rm < 0) {
 612                 cprintf("%d No current room.\n",ERROR);
 613                 return;
 614                 }
 615
 616         if (is_room_aide()==0) {
 617                 cprintf("%d Higher access required.\n",
 618                         ERROR+HIGHER_ACCESS_REQUIRED);
 619                 return;
 620                 }
 621
 622         if ( (op==1) && ((CC->quickroom.QRflags&QR_PRIVATE)==0) ) {
 623                 cprintf("%d Not a private room.\n",ERROR+NOT_HERE);
 624                 return;
 625                 }
 626
 627         if (lgetuser(&USscratch,iuser)!=0) {
 628                 cprintf("%d No such user.\n",ERROR);
 629                 return;
 630                 }
 631
 632         if (op==1) {
 633                 USscratch.generation[CC->curr_rm]=CC->quickroom.QRgen;
 634                 USscratch.forget[CC->curr_rm]=(-1);
 635                 }
 636
 637         if (op==0) {
 638                 USscratch.generation[CC->curr_rm]=(-1);
 639                 USscratch.forget[CC->curr_rm]=CC->quickroom.QRgen;
 640                 }
 641
 642         lputuser(&USscratch,iuser);
 643
 644         /* post a message in Aide> saying what we just did */
 645         sprintf(bbb,"%s %s %s> by %s",
 646                 iuser,
 647                 ((op == 1) ? "invited to" : "kicked out of"),
 648                 CC->quickroom.QRname,
 649                 CC->usersupp.fullname);
 650         aide_message(bbb);
 651
 652         if ((op==0)&&((CC->quickroom.QRflags&QR_PRIVATE)==0)) {
 653                 cprintf("%d Ok. (Not a private room, <Z>ap effect only)\n",OK);
 654                 }
 655         else {
 656                 cprintf("%d Ok.\n",OK);
 657                 }
 658         return;
 659         }
 660
 661
 662 /*
 663  * forget (Zap) the current room
 664  */
 665 void cmd_forg(void) {
 666         if (!(CC->logged_in)) {
 667                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 668                 return;
 669                 }
 670
 671         if (CC->curr_rm < 0) {
 672                 cprintf("%d No current room.\n",ERROR);
 673                 return;
 674                 }
 675
 676         if (CC->curr_rm < 3) {
 677                 cprintf("%d You cannot forget this room.\n",ERROR+NOT_HERE);
 678                 return;
 679                 }
 680
 681         if (is_aide()) {
 682                 cprintf("%d Aides cannot forget rooms.\n",ERROR);
 683                 return;
 684                 }
 685
 686         lgetuser(&CC->usersupp,CC->curr_user);
 687         CC->usersupp.forget[CC->curr_rm] = CC->quickroom.QRgen;
 688         CC->usersupp.generation[CC->curr_rm] = (-1);
 689         lputuser(&CC->usersupp,CC->curr_user);
 690         cprintf("%d Ok\n",OK);
 691         CC->curr_rm = (-1);
 692         }
 693
 694 /*
 695  * Get Next Unregistered User
 696  */
 697 void cmd_gnur(void) {
 698         struct cdbdata *cdbus;
 699         struct usersupp usbuf;
 700
 701         if (!(CC->logged_in)) {
 702                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 703                 return;
 704                 }
 705
 706         if (CC->usersupp.axlevel < 6) {
 707                 cprintf("%d Higher access required.\n",
 708                         ERROR+HIGHER_ACCESS_REQUIRED);
 709                 return;
 710                 }
 711
 712         if ((CitControl.MMflags&MM_VALID)==0) {
 713                 cprintf("%d There are no unvalidated users.\n",OK);
 714                 return;
 715                 }
 716
 717         /* There are unvalidated users.  Traverse the usersupp database,
 718          * and return the first user we find that needs validation.
 719          */
 720         cdb_rewind(CDB_USERSUPP);
 721         while (cdbus = cdb_next_item(CDB_USERSUPP), cdbus != NULL) {
 722                 bzero(&usbuf, sizeof(struct usersupp));
 723                 memcpy(&usbuf, cdbus->ptr,
 724                         ( (cdbus->len > sizeof(struct usersupp)) ?
 725                         sizeof(struct usersupp) : cdbus->len) );
 726                 cdb_free(cdbus);
 727                 if ((usbuf.flags & US_NEEDVALID)
 728                    &&(usbuf.axlevel > 0)) {
 729                         cprintf("%d %s\n",MORE_DATA,usbuf.fullname);
 730                         return;
 731                         }
 732                 }
 733
 734         /* If we get to this point, there are no more unvalidated users.
 735          * Therefore we clear the "users need validation" flag.
 736          */
 737
 738         begin_critical_section(S_CONTROL);
 739         get_control();
 740         CitControl.MMflags = CitControl.MMflags&(~MM_VALID);
 741         put_control();
 742         end_critical_section(S_CONTROL);
 743         cprintf("%d *** End of registration.\n",OK);
 744
 745
 746         }
 747
 748
 749 /*
 750  * get registration info for a user
 751  */
 752 void cmd_greg(char *who)
 753 {
 754         struct usersupp usbuf;
 755         int a,b;
 756         char pbuf[32];
 757
 758         if (!(CC->logged_in)) {
 759                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 760                 return;
 761                 }
 762
 763         if (!strcasecmp(who,"_SELF_")) strcpy(who,CC->curr_user);
 764
 765         if ((CC->usersupp.axlevel < 6) && (strcasecmp(who,CC->curr_user))) {
 766                 cprintf("%d Higher access required.\n",
 767                         ERROR+HIGHER_ACCESS_REQUIRED);
 768                 return;
 769                 }
 770
 771         if (getuser(&usbuf,who) != 0) {
 772                 cprintf("%d '%s' not found.\n",ERROR+NO_SUCH_USER,who);
 773                 return;
 774                 }
 775
 776         cprintf("%d %s\n",LISTING_FOLLOWS,usbuf.fullname);
 777         cprintf("%ld\n",usbuf.usernum);
 778         cprintf("%s\n",usbuf.password);
 779         cprintf("%s\n",usbuf.USname);
 780         cprintf("%s\n",usbuf.USaddr);
 781         cprintf("%s\n%s\n%s\n",
 782                 usbuf.UScity,usbuf.USstate,usbuf.USzip);
 783         strcpy(pbuf,usbuf.USphone);
 784         usbuf.USphone[0]=0;
 785         for (a=0; a<strlen(pbuf); ++a) {
 786                 if ((pbuf[a]>='0')&&(pbuf[a]<='9')) {
 787                         b=strlen(usbuf.USphone);
 788                         usbuf.USphone[b]=pbuf[a];
 789                         usbuf.USphone[b+1]=0;
 790                         }
 791                 }
 792         while(strlen(usbuf.USphone)<10) {
 793                 strcpy(pbuf,usbuf.USphone);
 794                 strcpy(usbuf.USphone," ");
 795                 strcat(usbuf.USphone,pbuf);
 796                 }
 797
 798         cprintf("(%c%c%c) %c%c%c-%c%c%c%c\n",
 799                 usbuf.USphone[0],usbuf.USphone[1],
 800                 usbuf.USphone[2],usbuf.USphone[3],
 801                 usbuf.USphone[4],usbuf.USphone[5],
 802                 usbuf.USphone[6],usbuf.USphone[7],
 803                 usbuf.USphone[8],usbuf.USphone[9]);
 804
 805         cprintf("%d\n",usbuf.axlevel);
 806         cprintf("%s\n",usbuf.USemail);
 807         cprintf("000\n");
 808         }
 809
 810 /*
 811  * validate a user
 812  */
 813 void cmd_vali(char *v_args)
 814 {
 815         char user[256];
 816         int newax;
 817         struct usersupp userbuf;
 818
 819         extract(user,v_args,0);
 820         newax = extract_int(v_args,1);
 821
 822         if (!(CC->logged_in)) {
 823                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 824                 return;
 825                 }
 826
 827         if (CC->usersupp.axlevel < 6) {
 828                 cprintf("%d Higher access required.\n",
 829                         ERROR+HIGHER_ACCESS_REQUIRED);
 830                 return;
 831                 }
 832
 833         if (lgetuser(&userbuf,user)!=0) {
 834                 cprintf("%d '%s' not found.\n",ERROR+NO_SUCH_USER,user);
 835                 return;
 836                 }
 837
 838         userbuf.axlevel = newax;
 839         userbuf.flags = (userbuf.flags & ~US_NEEDVALID);
 840
 841         lputuser(&userbuf,user);
 842
 843         /* If the access level was set to zero, delete the user */
 844         if (newax == 0) {
 845                 purge_user(user);
 846                 cprintf("%d %s Deleted.\n", OK, userbuf.fullname);
 847                 return;
 848                 }
 849
 850         cprintf("%d ok\n",OK);
 851         }
 852
 853
 854
 855 /*
 856  *  List users
 857  */
 858 void cmd_list(void) {
 859         struct usersupp usbuf;
 860         struct cdbdata *cdbus;
 861
 862         cdb_rewind(CDB_USERSUPP);
 863         cprintf("%d \n",LISTING_FOLLOWS);
 864
 865         while(cdbus = cdb_next_item(CDB_USERSUPP), cdbus != NULL) {
 866                 bzero(&usbuf, sizeof(struct usersupp));
 867                 memcpy(&usbuf, cdbus->ptr,
 868                         ( (cdbus->len > sizeof(struct usersupp)) ?
 869                         sizeof(struct usersupp) : cdbus->len) );
 870                 cdb_free(cdbus);
 871
 872             if (usbuf.axlevel > 0) {
 873                 if ((CC->usersupp.axlevel>=6)
 874                    ||((usbuf.flags&US_UNLISTED)==0)
 875                    ||((CC->internal_pgm))) {
 876                         cprintf("%s|%d|%ld|%ld|%d|%d|",
 877                                 usbuf.fullname,
 878                                 usbuf.axlevel,
 879                                 usbuf.usernum,
 880                                 usbuf.lastcall,
 881                                 usbuf.timescalled,
 882                                 usbuf.posted);
 883                         if (CC->usersupp.axlevel >= 6) cprintf("%s",usbuf.password);
 884                         cprintf("\n");
 885                         }
 886                     }
 887                 }
 888         cprintf("000\n");
 889         }
 890
 891 /*
 892  * enter registration info
 893  */
 894 void cmd_regi(void) {
 895         int a,b,c;
 896         char buf[256];
 897
 898         char tmpname[256];
 899         char tmpaddr[256];
 900         char tmpcity[256];
 901         char tmpstate[256];
 902         char tmpzip[256];
 903         char tmpphone[256];
 904         char tmpemail[256];
 905
 906         if (!(CC->logged_in)) {
 907                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 908                 return;
 909                 }
 910
 911         strcpy(tmpname,"");
 912         strcpy(tmpaddr,"");
 913         strcpy(tmpcity,"");
 914         strcpy(tmpstate,"");
 915         strcpy(tmpzip,"");
 916         strcpy(tmpphone,"");
 917         strcpy(tmpemail,"");
 918
 919         cprintf("%d Send registration...\n",SEND_LISTING);
 920         a=0;
 921         while (client_gets(buf), strcmp(buf,"000")) {
 922                 if (a==0) strcpy(tmpname,buf);
 923                 if (a==1) strcpy(tmpaddr,buf);
 924                 if (a==2) strcpy(tmpcity,buf);
 925                 if (a==3) strcpy(tmpstate,buf);
 926                 if (a==4) {
 927                         for (c=0; c<strlen(buf); ++c) {
 928                                 if ((buf[c]>='0')&&(buf[c]<='9')) {
 929                                         b=strlen(tmpzip);
 930                                         tmpzip[b]=buf[c];
 931                                         tmpzip[b+1]=0;
 932                                         }
 933                                 }
 934                         }
 935                 if (a==5) {
 936                         for (c=0; c<strlen(buf); ++c) {
 937                                 if ((buf[c]>='0')&&(buf[c]<='9')) {
 938                                         b=strlen(tmpphone);
 939                                         tmpphone[b]=buf[c];
 940                                         tmpphone[b+1]=0;
 941                                         }
 942                                 }
 943                         }
 944                 if (a==6) strncpy(tmpemail,buf,31);
 945                 ++a;
 946                 }
 947
 948         tmpname[29]=0;
 949         tmpaddr[24]=0;
 950         tmpcity[14]=0;
 951         tmpstate[2]=0;
 952         tmpzip[9]=0;
 953         tmpphone[10]=0;
 954         tmpemail[31]=0;
 955
 956         lgetuser(&CC->usersupp,CC->curr_user);
 957         strcpy(CC->usersupp.USname,tmpname);
 958         strcpy(CC->usersupp.USaddr,tmpaddr);
 959         strcpy(CC->usersupp.UScity,tmpcity);
 960         strcpy(CC->usersupp.USstate,tmpstate);
 961         strcpy(CC->usersupp.USzip,tmpzip);
 962         strcpy(CC->usersupp.USphone,tmpphone);
 963         strcpy(CC->usersupp.USemail,tmpemail);
 964         CC->usersupp.flags=(CC->usersupp.flags|US_REGIS|US_NEEDVALID);
 965         lputuser(&CC->usersupp,CC->curr_user);
 966
 967         /* set global flag calling for validation */
 968         begin_critical_section(S_CONTROL);
 969         get_control();
 970         CitControl.MMflags = CitControl.MMflags | MM_VALID ;
 971         put_control();
 972         end_critical_section(S_CONTROL);
 973         cprintf("%d *** End of registration.\n",OK);
 974         }
 975
 976
 977 /*
 978  * assorted info we need to check at login
 979  */
 980 void cmd_chek(void) {
 981         int mail = 0;
 982         int regis = 0;
 983         int vali = 0;
 984         int a;
 985         struct cdbdata *cdbmb;
 986         long *mailbox;
 987         int num_mails;
 988
 989
 990         if (!(CC->logged_in)) {
 991                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
 992                 return;
 993                 }
 994
 995         getuser(&CC->usersupp,CC->curr_user); /* no lock is needed here */
 996         if ((REGISCALL!=0)&&((CC->usersupp.flags&US_REGIS)==0)) regis = 1;
 997
 998         if (CC->usersupp.axlevel >= 6) {
 999                 get_control();
1000                 if (CitControl.MMflags&MM_VALID) vali = 1;
1001                 }
1002
1003
1004         /* check for mail */
1005         mail = 0;
1006         cdbmb = cdb_fetch(CDB_MAILBOXES, &CC->usersupp.usernum, sizeof(long));
1007         if (cdbmb != NULL) {
1008                 num_mails = cdbmb->len / sizeof(long);
1009                 mailbox = (long *) cdbmb->ptr;
1010                 if (num_mails > 0) for (a=0; a<num_mails; ++a) {
1011                         if (mailbox[a] > (CC->usersupp.lastseen[1])) ++mail;
1012                         }
1013                 cdb_free(cdbmb);
1014                 }
1015
1016
1017         cprintf("%d %d|%d|%d\n",OK,mail,regis,vali);
1018         }
1019
1020
1021 /*
1022  * check to see if a user exists
1023  */
1024 void cmd_qusr(char *who)
1025 {
1026         struct usersupp usbuf;
1027
1028         if (getuser(&usbuf,who) == 0) {
1029                 cprintf("%d %s\n",OK,usbuf.fullname);
1030                 }
1031         else {
1032                 cprintf("%d No such user.\n",ERROR+NO_SUCH_USER);
1033                 }
1034         }
1035
1036
1037 /*
1038  * enter user bio
1039  */
1040 void cmd_ebio(void) {
1041         char buf[256];
1042         FILE *fp;
1043
1044         if (!(CC->logged_in)) {
1045                 cprintf("%d Not logged in.\n",ERROR+NOT_LOGGED_IN);
1046                 return;
1047                 }
1048
1049         sprintf(buf,"./bio/%ld",CC->usersupp.usernum);
1050         fp = fopen(buf,"w");
1051         if (fp == NULL) {
1052                 cprintf("%d Cannot create file\n",ERROR);
1053                 return;
1054                 }
1055         cprintf("%d  \n",SEND_LISTING);
1056         while(client_gets(buf), strcmp(buf,"000")) {
1057                 fprintf(fp,"%s\n",buf);
1058                 }
1059         fclose(fp);
1060         }
1061
1062 /*
1063  * read user bio
1064  */
1065 void cmd_rbio(char *cmdbuf)
1066 {
1067         struct usersupp ruser;
1068         char buf[256];
1069         FILE *fp;
1070
1071         extract(buf,cmdbuf,0);
1072         if (getuser(&ruser,buf)!=0) {
1073                 cprintf("%d No such user.\n",ERROR+NO_SUCH_USER);
1074                 return;
1075                 }
1076         sprintf(buf,"./bio/%ld",ruser.usernum);
1077
1078         fp = fopen(buf,"r");
1079         if (fp == NULL) {
1080                 cprintf("%d %s has no bio on file.\n",
1081                         ERROR+FILE_NOT_FOUND,ruser.fullname);
1082                 return;
1083                 }
1084         cprintf("%d  \n",LISTING_FOLLOWS);
1085         while (fgets(buf,256,fp)!=NULL) cprintf("%s",buf);
1086         fclose(fp);
1087         cprintf("000\n");
1088         }
1089
1090 /*
1091  * list of users who have entered bios
1092  */
1093 void cmd_lbio(void) {
1094         char buf[256];
1095         FILE *ls;
1096         struct usersupp usbuf;
1097
1098         ls=popen("cd ./bio; ls","r");
1099         if (ls==NULL) {
1100                 cprintf("%d Cannot open listing.\n",ERROR+FILE_NOT_FOUND);
1101                 return;
1102                 }
1103
1104         cprintf("%d\n",LISTING_FOLLOWS);
1105         while (fgets(buf,255,ls)!=NULL)
1106                 if (getuserbynumber(&usbuf,atol(buf))==0)
1107                         cprintf("%s\n",usbuf.fullname);
1108         pclose(ls);
1109         cprintf("000\n");
1110         }
1111
1112
1113 /*
1114  * Administrative Get User Parameters
1115  */
1116 void cmd_agup(char *cmdbuf) {
1117         struct usersupp usbuf;
1118         char requested_user[256];
1119
1120         if ( (CC->internal_pgm==0)
1121            && ( (CC->logged_in == 0) || (is_aide()==0) ) ) {
1122                 cprintf("%d Higher access required.\n",
1123                         ERROR + HIGHER_ACCESS_REQUIRED);
1124                 return;
1125                 }
1126
1127         extract(requested_user, cmdbuf, 0);
1128         if (getuser(&usbuf, requested_user) != 0) {
1129                 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
1130                 return;
1131                 }
1132
1133         cprintf("%d %s|%s|%u|%d|%d|%d|%ld\n",
1134                 OK,
1135                 usbuf.fullname,
1136                 usbuf.password,
1137                 usbuf.flags,
1138                 usbuf.timescalled,
1139                 usbuf.posted,
1140                 (int)usbuf.axlevel,
1141                 usbuf.usernum);
1142
1143         }
1144
1145
1146
1147 /*
1148  * Administrative Set User Parameters
1149  */
1150 void cmd_asup(char *cmdbuf) {
1151         struct usersupp usbuf;
1152         char requested_user[256];
1153         int np;
1154
1155         if ( (CC->internal_pgm==0)
1156            && ( (CC->logged_in == 0) || (is_aide()==0) ) ) {
1157                 cprintf("%d Higher access required.\n",
1158                         ERROR + HIGHER_ACCESS_REQUIRED);
1159                 return;
1160                 }
1161
1162         extract(requested_user, cmdbuf, 0);
1163         if (lgetuser(&usbuf, requested_user) != 0) {
1164                 cprintf("%d No such user.\n", ERROR + NO_SUCH_USER);
1165                 return;
1166                 }
1167
1168         np = num_parms(cmdbuf);
1169         if (np > 1) extract(usbuf.password, cmdbuf, 1);
1170         if (np > 2) usbuf.flags = extract_int(cmdbuf, 2);
1171         if (np > 3) usbuf.timescalled = extract_int(cmdbuf, 3);
1172         if (np > 4) usbuf.posted = extract_int(cmdbuf, 4);
1173         if (np > 5) usbuf.axlevel = extract_int(cmdbuf, 5);
1174
1175         lputuser(&usbuf, requested_user);
1176         cprintf("%d Ok\n", OK);
1177         }