source3/web/swat.c

   1 /*
   2    Unix SMB/Netbios implementation.
   3    Version 1.9.
   4    Samba Web Administration Tool
   5    Copyright (C) Andrew Tridgell 1997-1998
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20 */
  21
  22 #ifdef SYSLOG
  23 #undef SYSLOG
  24 #endif
  25
  26 #include "includes.h"
  27 #include "smb.h"
  28
  29 #define GLOBALS_SNUM -1
  30
  31 static pstring servicesf = CONFIGFILE;
  32 static BOOL demo_mode = False;
  33 static BOOL have_write_access = False;
  34 static BOOL have_read_access = False;
  35 static int iNumNonAutoPrintServices = 0;
  36
  37 /*
  38  * Password Management Globals
  39  */
  40 #define SWAT_USER "username"
  41 #define OLD_PSWD "old_passwd"
  42 #define NEW_PSWD "new_passwd"
  43 #define NEW2_PSWD "new2_passwd"
  44 #define CHG_S_PASSWD_FLAG "chg_s_passwd_flag"
  45 #define CHG_R_PASSWD_FLAG "chg_r_passwd_flag"
  46 #define ADD_USER_FLAG "add_user_flag"
  47 #define DELETE_USER_FLAG "delete_user_flag"
  48 #define DISABLE_USER_FLAG "disable_user_flag"
  49 #define ENABLE_USER_FLAG "enable_user_flag"
  50 #define RHOST "remote_host"
  51
  52 /* we need these because we link to locking*.o */
  53  void become_root(void) {}
  54  void unbecome_root(void) {}
  55
  56 /****************************************************************************
  57 ****************************************************************************/
  58 static int enum_index(int value, struct enum_list *enumlist)
  59 {
  60         int i;
  61         for (i=0;enumlist[i].name;i++)
  62                 if (value == enumlist[i].value) break;
  63         return(i);
  64 }
  65
  66 static char *fix_backslash(char *str)
  67 {
  68         static char newstring[1024];
  69         char *p = newstring;
  70
  71         while (*str) {
  72                 if (*str == '\\') {*p++ = '\\';*p++ = '\\';}
  73                 else *p++ = *str;
  74                 ++str;
  75         }
  76         *p = '\0';
  77         return newstring;
  78 }
  79
  80 static char *stripspace(char *str)
  81 {
  82 static char newstring[1024];
  83 char *p = newstring;
  84
  85         while (*str) {
  86                 if (*str != ' ') *p++ = *str;
  87                 ++str;
  88         }
  89         *p = '\0';
  90         return newstring;
  91 }
  92
  93 static char *make_parm_name(char *label)
  94 {
  95         static char parmname[1024];
  96         char *p = parmname;
  97
  98         while (*label) {
  99                 if (*label == ' ') *p++ = '_';
 100                 else *p++ = *label;
 101                 ++label;
 102         }
 103         *p = '\0';
 104         return parmname;
 105 }
 106
 107 /****************************************************************************
 108   include a lump of html in a page
 109 ****************************************************************************/
 110 static int include_html(char *fname)
 111 {
 112         FILE *f = sys_fopen(fname,"r");
 113         char buf[1024];
 114         int ret;
 115
 116         if (!f) {
 117                 printf("ERROR: Can't open %s\n", fname);
 118                 return 0;
 119         }
 120
 121         while (!feof(f)) {
 122                 ret = fread(buf, 1, sizeof(buf), f);
 123                 if (ret <= 0) break;
 124                 fwrite(buf, 1, ret, stdout);
 125         }
 126
 127         fclose(f);
 128         return 1;
 129 }
 130
 131 /****************************************************************************
 132   start the page with standard stuff
 133 ****************************************************************************/
 134 static void print_header(void)
 135 {
 136         if (!cgi_waspost()) {
 137                 printf("Expires: 0\r\n");
 138         }
 139         printf("Content-type: text/html\r\n\r\n");
 140
 141         if (!include_html("include/header.html")) {
 142                 printf("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2//EN\">\n");
 143                 printf("<HTML>\n<HEAD>\n<TITLE>Samba Web Administration Tool</TITLE>\n</HEAD>\n<BODY background=\"/swat/images/background.jpg\">\n\n");
 144         }
 145 }
 146
 147 /****************************************************************************
 148  finish off the page
 149 ****************************************************************************/
 150 static void print_footer(void)
 151 {
 152         if (!include_html("include/footer.html")) {
 153                 printf("\n</BODY>\n</HTML>\n");
 154         }
 155 }
 156
 157 /****************************************************************************
 158   display one editable parameter in a form
 159 ****************************************************************************/
 160 static void show_parameter(int snum, struct parm_struct *parm)
 161 {
 162         int i;
 163         void *ptr = parm->ptr;
 164         char* str;
 165
 166         if (parm->class == P_LOCAL && snum >= 0) {
 167                 ptr = lp_local_ptr(snum, ptr);
 168         }
 169
 170         str = stripspace(parm->label);
 171         strupper (str);
 172         printf("<tr><td><A HREF=\"/swat/help/smb.conf.5.html#%s\" target=\"docs\">Help</A>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; %s</td><td>",
 173                str, parm->label);
 174
 175         switch (parm->type) {
 176         case P_CHAR:
 177                 printf("<input type=text size=2 name=\"parm_%s\" value=\"%c\">",
 178                        make_parm_name(parm->label), *(char *)ptr);
 179                 printf("<input type=button value=\"Set Default\" onClick=\"swatform.parm_%s.value=\'%c\'\">",
 180                         make_parm_name(parm->label),(char)(parm->def.cvalue));
 181                 break;
 182
 183         case P_STRING:
 184         case P_USTRING:
 185                 printf("<input type=text size=40 name=\"parm_%s\" value=\"%s\">",
 186                        make_parm_name(parm->label), *(char **)ptr);
 187                 printf("<input type=button value=\"Set Default\" onClick=\"swatform.parm_%s.value=\'%s\'\">",
 188                         make_parm_name(parm->label),fix_backslash((char *)(parm->def.svalue)));
 189                 break;
 190
 191         case P_GSTRING:
 192         case P_UGSTRING:
 193                 printf("<input type=text size=40 name=\"parm_%s\" value=\"%s\">",
 194                        make_parm_name(parm->label), (char *)ptr);
 195                 printf("<input type=button value=\"Set Default\" onClick=\"swatform.parm_%s.value=\'%s\'\">",
 196                         make_parm_name(parm->label),fix_backslash((char *)(parm->def.svalue)));
 197                 break;
 198
 199         case P_BOOL:
 200                 printf("<select name=\"parm_%s\">",make_parm_name(parm->label));
 201                 printf("<option %s>Yes", (*(BOOL *)ptr)?"selected":"");
 202                 printf("<option %s>No", (*(BOOL *)ptr)?"":"selected");
 203                 printf("</select>");
 204                 printf("<input type=button value=\"Set Default\" onClick=\"swatform.parm_%s.selectedIndex=\'%d\'\">",
 205                         make_parm_name(parm->label),(BOOL)(parm->def.bvalue)?0:1);
 206                 break;
 207
 208         case P_BOOLREV:
 209                 printf("<select name=\"parm_%s\">",make_parm_name(parm->label));
 210                 printf("<option %s>Yes", (*(BOOL *)ptr)?"":"selected");
 211                 printf("<option %s>No", (*(BOOL *)ptr)?"selected":"");
 212                 printf("</select>");
 213                 printf("<input type=button value=\"Set Default\" onClick=\"swatform.parm_%s.selectedIndex=\'%d\'\">",
 214                         make_parm_name(parm->label),(BOOL)(parm->def.bvalue)?1:0);
 215                 break;
 216
 217         case P_INTEGER:
 218                 printf("<input type=text size=8 name=\"parm_%s\" value=%d>", make_parm_name(parm->label), *(int *)ptr);
 219                 printf("<input type=button value=\"Set Default\" onClick=\"swatform.parm_%s.value=\'%d\'\">",
 220                         make_parm_name(parm->label),(int)(parm->def.ivalue));
 221                 break;
 222
 223         case P_OCTAL:
 224                 printf("<input type=text size=8 name=\"parm_%s\" value=%s>", make_parm_name(parm->label), octal_string(*(int *)ptr));
 225                 printf("<input type=button value=\"Set Default\" onClick=\"swatform.parm_%s.value=\'%s\'\">",
 226                        make_parm_name(parm->label),
 227                        octal_string((int)(parm->def.ivalue)));
 228                 break;
 229
 230         case P_ENUM:
 231                 printf("<select name=\"parm_%s\">",make_parm_name(parm->label));
 232                 for (i=0;parm->enum_list[i].name;i++) {
 233                         if (i == 0 || parm->enum_list[i].value != parm->enum_list[i-1].value) {
 234                                 printf("<option %s>%s",(*(int *)ptr)==parm->enum_list[i].value?"selected":"",parm->enum_list[i].name);
 235                         }
 236                 }
 237                 printf("</select>");
 238                 printf("<input type=button value=\"Set Default\" onClick=\"swatform.parm_%s.selectedIndex=\'%d\'\">",
 239                         make_parm_name(parm->label),enum_index((int)(parm->def.ivalue),parm->enum_list));
 240                 break;
 241         case P_SEP:
 242                 break;
 243         }
 244         printf("</td></tr>\n");
 245 }
 246
 247 /****************************************************************************
 248   display a set of parameters for a service
 249 ****************************************************************************/
 250 static void show_parameters(int snum, int allparameters, int advanced, int printers)
 251 {
 252         int i = 0;
 253         struct parm_struct *parm;
 254         char *heading = NULL;
 255         char *last_heading = NULL;
 256
 257         while ((parm = lp_next_parameter(snum, &i, allparameters))) {
 258                 if (snum < 0 && parm->class == P_LOCAL && !(parm->flags & FLAG_GLOBAL))
 259                         continue;
 260                 if (parm->class == P_SEPARATOR) {
 261                         heading = parm->label;
 262                         continue;
 263                 }
 264                 if (parm->flags & FLAG_HIDE) continue;
 265                 if (snum >= 0) {
 266                         if (printers & !(parm->flags & FLAG_PRINT)) continue;
 267                         if (!printers & !(parm->flags & FLAG_SHARE)) continue;
 268                 }
 269                 if (!advanced) {
 270                         if (!(parm->flags & FLAG_BASIC)) {
 271                                 void *ptr = parm->ptr;
 272
 273                                 if (parm->class == P_LOCAL && snum >= 0) {
 274                                         ptr = lp_local_ptr(snum, ptr);
 275                                 }
 276
 277                                 switch (parm->type) {
 278                                 case P_CHAR:
 279                                         if (*(char *)ptr == (char)(parm->def.cvalue)) continue;
 280                                         break;
 281
 282                                 case P_STRING:
 283                                 case P_USTRING:
 284                                         if (!strcmp(*(char **)ptr,(char *)(parm->def.svalue))) continue;
 285                                         break;
 286
 287                                 case P_GSTRING:
 288                                 case P_UGSTRING:
 289                                         if (!strcmp((char *)ptr,(char *)(parm->def.svalue))) continue;
 290                                         break;
 291
 292                                 case P_BOOL:
 293                                 case P_BOOLREV:
 294                                         if (*(BOOL *)ptr == (BOOL)(parm->def.bvalue)) continue;
 295                                         break;
 296
 297                                 case P_INTEGER:
 298                                 case P_OCTAL:
 299                                         if (*(int *)ptr == (int)(parm->def.ivalue)) continue;
 300                                         break;
 301
 302
 303                                 case P_ENUM:
 304                                         if (*(int *)ptr == (int)(parm->def.ivalue)) continue;
 305                                         break;
 306                                 case P_SEP:
 307                                         continue;
 308                                 }
 309                         }
 310                         if (printers && !(parm->flags & FLAG_PRINT)) continue;
 311                 }
 312                 if (heading && heading != last_heading) {
 313                         printf("<tr><td></td></tr><tr><td><b><u>%s</u></b></td></tr>\n", heading);
 314                         last_heading = heading;
 315                 }
 316                 show_parameter(snum, parm);
 317         }
 318 }
 319
 320 /****************************************************************************
 321   load the smb.conf file into loadparm.
 322 ****************************************************************************/
 323 static BOOL load_config(BOOL save_def)
 324 {
 325         lp_resetnumservices();
 326         return lp_load(servicesf,False,save_def,False);
 327 }
 328
 329 /****************************************************************************
 330   write a config file
 331 ****************************************************************************/
 332 static void write_config(FILE *f, BOOL show_defaults, char *(*dos_to_ext)(char *, BOOL))
 333 {
 334         fprintf(f, "# Samba config file created using SWAT\n");
 335         fprintf(f, "# from %s (%s)\n", cgi_remote_host(), cgi_remote_addr());
 336         fprintf(f, "# Date: %s\n\n", timestring(False));
 337
 338         lp_dump(f, show_defaults, iNumNonAutoPrintServices, dos_to_ext);
 339 }
 340
 341 /****************************************************************************
 342   save and reoad the smb.conf config file
 343 ****************************************************************************/
 344 static int save_reload(int snum)
 345 {
 346         FILE *f;
 347         struct stat st;
 348
 349         f = sys_fopen(servicesf,"w");
 350         if (!f) {
 351                 printf("failed to open %s for writing\n", servicesf);
 352                 return 0;
 353         }
 354
 355         /* just in case they have used the buggy xinetd to create the file */
 356         if (fstat(fileno(f), &st) == 0 &&
 357             (st.st_mode & S_IWOTH)) {
 358                 fchmod(fileno(f), S_IWUSR | S_IRUSR | S_IRGRP | S_IROTH);
 359         }
 360
 361         write_config(f, False, _dos_to_unix);
 362         if (snum)
 363                 lp_dump_one(f, False, snum, _dos_to_unix);
 364         fclose(f);
 365
 366         lp_killunused(NULL);
 367
 368         if (!load_config(False)) {
 369                 printf("Can't reload %s\n", servicesf);
 370                 return 0;
 371         }
 372         iNumNonAutoPrintServices = lp_numservices();
 373         load_printers();
 374
 375         return 1;
 376 }
 377
 378 /****************************************************************************
 379   commit one parameter
 380 ****************************************************************************/
 381 static void commit_parameter(int snum, struct parm_struct *parm, char *v)
 382 {
 383         int i;
 384         char *s;
 385
 386         /* lp_do_parameter() will do unix_to_dos(v). */
 387         if(parm->flags & FLAG_DOS_STRING)
 388                 dos_to_unix(v, True);
 389
 390         if (snum < 0 && parm->class == P_LOCAL) {
 391                 /* this handles the case where we are changing a local
 392                    variable globally. We need to change the parameter in
 393                    all shares where it is currently set to the default */
 394                 for (i=0;i<lp_numservices();i++) {
 395                         s = lp_servicename(i);
 396                         if (s && (*s) && lp_is_default(i, parm)) {
 397                                 lp_do_parameter(i, parm->label, v);
 398                         }
 399                 }
 400         }
 401
 402         lp_do_parameter(snum, parm->label, v);
 403 }
 404
 405 /****************************************************************************
 406   commit a set of parameters for a service
 407 ****************************************************************************/
 408 static void commit_parameters(int snum)
 409 {
 410         int i = 0;
 411         struct parm_struct *parm;
 412         pstring label;
 413         char *v;
 414
 415         while ((parm = lp_next_parameter(snum, &i, 1))) {
 416                 slprintf(label, sizeof(label)-1, "parm_%s", make_parm_name(parm->label));
 417                 if ((v = cgi_variable(label))) {
 418                         if (parm->flags & FLAG_HIDE) continue;
 419                         commit_parameter(snum, parm, v);
 420                 }
 421         }
 422 }
 423
 424 /****************************************************************************
 425   spit out the html for a link with an image
 426 ****************************************************************************/
 427 static void image_link(char *name,char *hlink, char *src)
 428 {
 429         printf("<A HREF=\"%s/%s\"><img border=\"0\" src=\"/swat/%s\" alt=\"%s\"></A>\n",
 430                cgi_baseurl(), hlink, src, name);
 431 }
 432
 433 /****************************************************************************
 434   display the main navigation controls at the top of each page along
 435   with a title
 436 ****************************************************************************/
 437 static void show_main_buttons(void)
 438 {
 439         char *p;
 440
 441         if ((p = cgi_user_name()) && strcmp(p, "root")) {
 442                 printf("Logged in as <b>%s</b><p>\n", p);
 443         }
 444
 445         image_link("Home", "", "images/home.gif");
 446         if (have_write_access) {
 447                 image_link("Globals", "globals", "images/globals.gif");
 448                 image_link("Shares", "shares", "images/shares.gif");
 449                 image_link("Printers", "printers", "images/printers.gif");
 450         }
 451         if (have_read_access) {
 452                 image_link("Status", "status", "images/status.gif");
 453                 image_link("View Config", "viewconfig","images/viewconfig.gif");
 454         }
 455         image_link("Password Management", "passwd", "images/passwd.gif");
 456
 457         printf("<HR>\n");
 458 }
 459
 460 /****************************************************************************
 461   display a welcome page
 462 ****************************************************************************/
 463 static void welcome_page(void)
 464 {
 465         include_html("help/welcome.html");
 466 }
 467
 468 /****************************************************************************
 469   display the current smb.conf
 470 ****************************************************************************/
 471 static void viewconfig_page(void)
 472 {
 473         int full_view=0;
 474
 475         if (cgi_variable("full_view")) {
 476                 full_view = 1;
 477         }
 478
 479         printf("<H2>Current Config</H2>\n");
 480         printf("<form method=post>\n");
 481
 482         if (full_view) {
 483                 printf("<input type=submit name=\"normal_view\" value=\"Normal View\">\n");
 484         } else {
 485                 printf("<input type=submit name=\"full_view\" value=\"Full View\">\n");
 486         }
 487
 488         printf("<p><pre>");
 489         write_config(stdout, full_view, _dos_to_dos);
 490         printf("</pre>");
 491         printf("</form>\n");
 492 }
 493
 494 /****************************************************************************
 495   display a globals editing page
 496 ****************************************************************************/
 497 static void globals_page(void)
 498 {
 499         int advanced = 0;
 500
 501         printf("<H2>Global Variables</H2>\n");
 502
 503         if (cgi_variable("Advanced") && !cgi_variable("Basic"))
 504                 advanced = 1;
 505
 506         if (cgi_variable("Commit")) {
 507                 commit_parameters(GLOBALS_SNUM);
 508                 save_reload(0);
 509         }
 510
 511         printf("<FORM name=\"swatform\" method=post>\n");
 512
 513         if (have_write_access) {
 514                 printf("<input type=submit name=\"Commit\" value=\"Commit Changes\">\n");
 515         }
 516
 517         printf("<input type=reset name=\"Reset Values\" value=\"Reset Values\">\n");
 518         if (advanced == 0) {
 519                 printf("<input type=submit name=\"Advanced\" value=\"Advanced View\">\n");
 520         } else {
 521                 printf("<input type=submit name=\"Basic\" value=\"Basic View\">\n");
 522         }
 523         printf("<p>\n");
 524
 525         printf("<table>\n");
 526         show_parameters(GLOBALS_SNUM, 1, advanced, 0);
 527         printf("</table>\n");
 528
 529         if (advanced) {
 530                 printf("<input type=hidden name=\"Advanced\" value=1>\n");
 531         }
 532
 533         printf("</FORM>\n");
 534 }
 535
 536 /****************************************************************************
 537   display a shares editing page. share is in unix codepage, and must be in
 538   dos codepage. FIXME !!! JRA.
 539 ****************************************************************************/
 540 static void shares_page(void)
 541 {
 542         char *share = cgi_variable("share");
 543         char *s;
 544         int snum=-1;
 545         int i;
 546         int advanced = 0;
 547
 548         if (share)
 549                 snum = lp_servicenumber(share);
 550
 551         printf("<H2>Share Parameters</H2>\n");
 552
 553         if (cgi_variable("Advanced") && !cgi_variable("Basic"))
 554                 advanced = 1;
 555
 556         if (cgi_variable("Commit") && snum >= 0) {
 557                 commit_parameters(snum);
 558                 save_reload(0);
 559         }
 560
 561         if (cgi_variable("Delete") && snum >= 0) {
 562                 lp_remove_service(snum);
 563                 save_reload(0);
 564                 share = NULL;
 565                 snum = -1;
 566         }
 567
 568         if (cgi_variable("createshare") && (share=cgi_variable("newshare"))) {
 569                 /* add_a_service() which is called by lp_copy_service()
 570                         will do unix_to_dos() conversion, so we need dos_to_unix() before the lp_copy_service(). */
 571                 pstring unix_share;
 572                 pstrcpy(unix_share, dos_to_unix(share, False));
 573                 load_config(False);
 574                 lp_copy_service(GLOBALS_SNUM, unix_share);
 575                 iNumNonAutoPrintServices = lp_numservices();
 576                 save_reload(0);
 577                 snum = lp_servicenumber(share);
 578         }
 579
 580         printf("<FORM name=\"swatform\" method=post>\n");
 581
 582         printf("<table>\n");
 583         printf("<tr>\n");
 584         printf("<td><input type=submit name=selectshare value=\"Choose Share\"></td>\n");
 585         printf("<td><select name=share>\n");
 586         if (snum < 0)
 587                 printf("<option value=\" \"> \n");
 588         for (i=0;i<lp_numservices();i++) {
 589                 s = lp_servicename(i);
 590                 if (s && (*s) && strcmp(s,"IPC$") && !lp_print_ok(i)) {
 591                         printf("<option %s value=\"%s\">%s\n",
 592                                (share && strcmp(share,s)==0)?"SELECTED":"",
 593                                s, s);
 594                 }
 595         }
 596         printf("</select></td>\n");
 597         if (have_write_access) {
 598                 printf("<td><input type=submit name=\"Delete\" value=\"Delete Share\"></td>\n");
 599         }
 600         printf("</tr>\n");
 601         printf("</table>");
 602         printf("<table>");
 603         if (have_write_access) {
 604                 printf("<tr>\n");
 605                 printf("<td><input type=submit name=createshare value=\"Create Share\"></td>\n");
 606                 printf("<td><input type=text size=30 name=newshare></td></tr>\n");
 607         }
 608         printf("</table>");
 609
 610
 611         if (snum >= 0) {
 612                 if (have_write_access) {
 613                         printf("<input type=submit name=\"Commit\" value=\"Commit Changes\">\n");
 614                 }
 615
 616                 printf("<input type=reset name=\"Reset Values\" value=\"Reset Values\">\n");
 617                 if (advanced == 0) {
 618                         printf("<input type=submit name=\"Advanced\" value=\"Advanced View\">\n");
 619                 } else {
 620                         printf("<input type=submit name=\"Basic\" value=\"Basic View\">\n");
 621                 }
 622                 printf("<p>\n");
 623         }
 624
 625         if (snum >= 0) {
 626                 printf("<table>\n");
 627                 show_parameters(snum, 1, advanced, 0);
 628                 printf("</table>\n");
 629         }
 630
 631         if (advanced) {
 632                 printf("<input type=hidden name=\"Advanced\" value=1>\n");
 633         }
 634
 635         printf("</FORM>\n");
 636 }
 637
 638 /*************************************************************
 639 change a password either locally or remotely
 640 *************************************************************/
 641 static BOOL change_password(const char *remote_machine, char *user_name,
 642                             char *old_passwd, char *new_passwd,
 643                                 int local_flags)
 644 {
 645         BOOL ret = False;
 646         pstring err_str;
 647         pstring msg_str;
 648
 649         if (demo_mode) {
 650                 printf("password change in demo mode rejected\n<p>");
 651                 return False;
 652         }
 653
 654         if (remote_machine != NULL) {
 655                 ret = remote_password_change(remote_machine, user_name, old_passwd,
 656                                                                          new_passwd, err_str, sizeof(err_str));
 657                 if(*err_str)
 658                         printf("%s\n<p>", err_str);
 659                 return ret;
 660         }
 661
 662         if(!initialize_password_db(True)) {
 663                 printf("Can't setup password database vectors.\n<p>");
 664                 return False;
 665         }
 666
 667         ret = local_password_change(user_name, local_flags, new_passwd, err_str, sizeof(err_str),
 668                                          msg_str, sizeof(msg_str));
 669
 670         if(*msg_str)
 671                 printf("%s\n<p>", msg_str);
 672         if(*err_str)
 673                 printf("%s\n<p>", err_str);
 674
 675         return ret;
 676 }
 677
 678 /****************************************************************************
 679   do the stuff required to add or change a password
 680 ****************************************************************************/
 681 static void chg_passwd(void)
 682 {
 683         char *host;
 684         BOOL rslt;
 685         int local_flags = 0;
 686
 687         /* Make sure users name has been specified */
 688         if (strlen(cgi_variable(SWAT_USER)) == 0) {
 689                 printf("<p> Must specify \"User Name\" \n");
 690                 return;
 691         }
 692
 693         /*
 694          * smbpasswd doesn't require anything but the users name to delete, disable or enable the user,
 695          * so if that's what we're doing, skip the rest of the checks
 696          */
 697         if (!cgi_variable(DISABLE_USER_FLAG) && !cgi_variable(ENABLE_USER_FLAG) && !cgi_variable(DELETE_USER_FLAG)) {
 698
 699                 /*
 700                  * If current user is not root, make sure old password has been specified
 701                  * If REMOTE change, even root must provide old password
 702                  */
 703                 if (((!am_root()) && (strlen( cgi_variable(OLD_PSWD)) <= 0)) ||
 704                     ((cgi_variable(CHG_R_PASSWD_FLAG)) &&  (strlen( cgi_variable(OLD_PSWD)) <= 0))) {
 705                         printf("<p> Must specify \"Old Password\" \n");
 706                         return;
 707                 }
 708
 709                 /* If changing a users password on a remote hosts we have to know what host */
 710                 if ((cgi_variable(CHG_R_PASSWD_FLAG)) && (strlen( cgi_variable(RHOST)) <= 0)) {
 711                         printf("<p> Must specify \"Remote Machine\" \n");
 712                         return;
 713                 }
 714
 715                 /* Make sure new passwords have been specified */
 716                 if ((strlen( cgi_variable(NEW_PSWD)) <= 0) ||
 717                     (strlen( cgi_variable(NEW2_PSWD)) <= 0)) {
 718                         printf("<p> Must specify \"New, and Re-typed Passwords\" \n");
 719                         return;
 720                 }
 721
 722                 /* Make sure new passwords was typed correctly twice */
 723                 if (strcmp(cgi_variable(NEW_PSWD), cgi_variable(NEW2_PSWD)) != 0) {
 724                         printf("<p> Re-typed password didn't match new password\n");
 725                         return;
 726                 }
 727         }
 728
 729         if (cgi_variable(CHG_R_PASSWD_FLAG)) {
 730                 host = cgi_variable(RHOST);
 731         } else if (am_root()) {
 732                 host = NULL;
 733         } else {
 734                 host = "127.0.0.1";
 735         }
 736
 737         /*
 738          * Set up the local flags.
 739          */
 740
 741         local_flags |= (cgi_variable(ADD_USER_FLAG) ? LOCAL_ADD_USER : 0);
 742         local_flags |= (cgi_variable(DELETE_USER_FLAG) ? LOCAL_DELETE_USER : 0);
 743         local_flags |= (cgi_variable(ENABLE_USER_FLAG) ? LOCAL_ENABLE_USER : 0);
 744         local_flags |= (cgi_variable(DISABLE_USER_FLAG) ? LOCAL_DISABLE_USER : 0);
 745
 746         rslt = change_password(host,
 747                                cgi_variable(SWAT_USER),
 748                                cgi_variable(OLD_PSWD), cgi_variable(NEW_PSWD),
 749                                    local_flags);
 750
 751         if(local_flags == 0) {
 752                 if (rslt == True) {
 753                         printf("<p> The passwd for '%s' has been changed. \n", cgi_variable(SWAT_USER));
 754                 } else {
 755                         printf("<p> The passwd for '%s' has NOT been changed. \n",cgi_variable(SWAT_USER));
 756                 }
 757         }
 758
 759         return;
 760 }
 761
 762 /****************************************************************************
 763   display a password editing page
 764 ****************************************************************************/
 765 static void passwd_page(void)
 766 {
 767         char *new_name = cgi_user_name();
 768
 769         /*
 770          * After the first time through here be nice. If the user
 771          * changed the User box text to another users name, remember it.
 772          */
 773         if (cgi_variable(SWAT_USER)) {
 774                 new_name = cgi_variable(SWAT_USER);
 775         }
 776
 777         if (!new_name) new_name = "";
 778
 779         printf("<H2>Server Password Management</H2>\n");
 780
 781         printf("<FORM name=\"swatform\" method=post>\n");
 782
 783         printf("<table>\n");
 784
 785         /*
 786          * Create all the dialog boxes for data collection
 787          */
 788         printf("<tr><td> User Name : </td>\n");
 789         printf("<td><input type=text size=30 name=%s value=%s></td></tr> \n", SWAT_USER, new_name);
 790         if (!am_root()) {
 791                 printf("<tr><td> Old Password : </td>\n");
 792                 printf("<td><input type=password size=30 name=%s></td></tr> \n",OLD_PSWD);
 793         }
 794         printf("<tr><td> New Password : </td>\n");
 795         printf("<td><input type=password size=30 name=%s></td></tr>\n",NEW_PSWD);
 796         printf("<tr><td> Re-type New Password : </td>\n");
 797         printf("<td><input type=password size=30 name=%s></td></tr>\n",NEW2_PSWD);
 798         printf("</table>\n");
 799
 800         /*
 801          * Create all the control buttons for requesting action
 802          */
 803         printf("<input type=submit name=%s value=\"Change Password\">\n",
 804                CHG_S_PASSWD_FLAG);
 805         if (demo_mode || am_root()) {
 806                 printf("<input type=submit name=%s value=\"Add New User\">\n",
 807                        ADD_USER_FLAG);
 808                 printf("<input type=submit name=%s value=\"Delete User\">\n",
 809                        DELETE_USER_FLAG);
 810                 printf("<input type=submit name=%s value=\"Disable User\">\n",
 811                        DISABLE_USER_FLAG);
 812                 printf("<input type=submit name=%s value=\"Enable User\">\n",
 813                        ENABLE_USER_FLAG);
 814         }
 815         printf("<p></FORM>\n");
 816
 817         /*
 818          * Do some work if change, add, disable or enable was
 819          * requested. It could be this is the first time through this
 820          * code, so there isn't anything to do.  */
 821         if ((cgi_variable(CHG_S_PASSWD_FLAG)) || (cgi_variable(ADD_USER_FLAG)) || (cgi_variable(DELETE_USER_FLAG)) ||
 822             (cgi_variable(DISABLE_USER_FLAG)) || (cgi_variable(ENABLE_USER_FLAG))) {
 823                 chg_passwd();
 824         }
 825
 826         printf("<H2>Client/Server Password Management</H2>\n");
 827
 828         printf("<FORM name=\"swatform\" method=post>\n");
 829
 830         printf("<table>\n");
 831
 832         /*
 833          * Create all the dialog boxes for data collection
 834          */
 835         printf("<tr><td> User Name : </td>\n");
 836         printf("<td><input type=text size=30 name=%s value=%s></td></tr>\n",SWAT_USER, new_name);
 837         printf("<tr><td> Old Password : </td>\n");
 838         printf("<td><input type=password size=30 name=%s></td></tr>\n",OLD_PSWD);
 839         printf("<tr><td> New Password : </td>\n");
 840         printf("<td><input type=password size=30 name=%s></td></tr>\n",NEW_PSWD);
 841         printf("<tr><td> Re-type New Password : </td>\n");
 842         printf("<td><input type=password size=30 name=%s></td></tr>\n",NEW2_PSWD);
 843         printf("<tr><td> Remote Machine : </td>\n");
 844         printf("<td><input type=text size=30 name=%s></td></tr>\n",RHOST);
 845
 846         printf("</table>");
 847
 848         /*
 849          * Create all the control buttons for requesting action
 850          */
 851         printf("<input type=submit name=%s value=\"Change Password\">",
 852                CHG_R_PASSWD_FLAG);
 853
 854         printf("<p></FORM>\n");
 855
 856         /*
 857          * Do some work if a request has been made to change the
 858          * password somewhere other than the server. It could be this
 859          * is the first time through this code, so there isn't
 860          * anything to do.  */
 861         if (cgi_variable(CHG_R_PASSWD_FLAG)) {
 862                 chg_passwd();
 863         }
 864
 865 }
 866
 867 /****************************************************************************
 868   display a printers editing page
 869 ****************************************************************************/
 870 static void printers_page(void)
 871 {
 872         char *share = cgi_variable("share");
 873         char *s;
 874         int snum=-1;
 875         int i;
 876         int advanced = 0;
 877
 878         if (share)
 879                 snum = lp_servicenumber(share);
 880
 881         printf("<H2>Printer Parameters</H2>\n");
 882
 883         printf("<H3>Important Note:</H3>\n");
 884         printf("Printer names marked with [*] in the Choose Printer drop-down box ");
 885         printf("are autoloaded printers from ");
 886         printf("<A HREF=\"/swat/help/smb.conf.5.html#PRINTCAPNAME\" target=\"docs\">Printcap Name</A>.\n");
 887         printf("Attempting to delete these printers from SWAT will have no effect.\n");
 888
 889         if (cgi_variable("Advanced") && !cgi_variable("Basic"))
 890                 advanced = 1;
 891
 892         if (cgi_variable("Commit") && snum >= 0) {
 893                 commit_parameters(snum);
 894                 if (snum >= iNumNonAutoPrintServices)
 895                     save_reload(snum);
 896                 else
 897                     save_reload(0);
 898         }
 899
 900         if (cgi_variable("Delete") && snum >= 0) {
 901                 lp_remove_service(snum);
 902                 save_reload(0);
 903                 share = NULL;
 904                 snum = -1;
 905         }
 906
 907         if (cgi_variable("createshare") && (share=cgi_variable("newshare"))) {
 908                 /* add_a_service() which is called by lp_copy_service()
 909                         will do unix_to_dos() conversion, so we need dos_to_unix() before the lp_copy_service(). */
 910                 pstring unix_share;
 911                 pstrcpy(unix_share, dos_to_unix(share, False));
 912                 load_config(False);
 913                 lp_copy_service(GLOBALS_SNUM, unix_share);
 914                 iNumNonAutoPrintServices = lp_numservices();
 915                 snum = lp_servicenumber(share);
 916                 lp_do_parameter(snum, "print ok", "Yes");
 917                 save_reload(0);
 918                 snum = lp_servicenumber(share);
 919         }
 920
 921         printf("<FORM name=\"swatform\" method=post>\n");
 922
 923         printf("<table>\n");
 924         printf("<tr><td><input type=submit name=selectshare value=\"Choose Printer\"></td>\n");
 925         printf("<td><select name=share>\n");
 926         if (snum < 0 || !lp_print_ok(snum))
 927                 printf("<option value=\" \"> \n");
 928         for (i=0;i<lp_numservices();i++) {
 929                 s = lp_servicename(i);
 930                 if (s && (*s) && strcmp(s,"IPC$") && lp_print_ok(i)) {
 931                     if (i >= iNumNonAutoPrintServices)
 932                         printf("<option %s value=\"%s\">[*]%s\n",
 933                                (share && strcmp(share,s)==0)?"SELECTED":"",
 934                                s, s);
 935                     else
 936                         printf("<option %s value=\"%s\">%s\n",
 937                                (share && strcmp(share,s)==0)?"SELECTED":"",
 938                                s, s);
 939                 }
 940         }
 941         printf("</select></td>");
 942         if (have_write_access) {
 943                 printf("<td><input type=submit name=\"Delete\" value=\"Delete Printer\"></td>\n");
 944         }
 945         printf("</tr>");
 946         printf("</table>\n");
 947
 948         if (have_write_access) {
 949                 printf("<table>\n");
 950                 printf("<tr><td><input type=submit name=createshare value=\"Create Printer\"></td>\n");
 951                 printf("<td><input type=text size=30 name=newshare></td></tr>\n");
 952                 printf("</table>");
 953         }
 954
 955
 956         if (snum >= 0) {
 957                 if (have_write_access) {
 958                         printf("<input type=submit name=\"Commit\" value=\"Commit Changes\">\n");
 959                 }
 960                 printf("<input type=reset name=\"Reset Values\" value=\"Reset Values\">\n");
 961                 if (advanced == 0) {
 962                         printf("<input type=submit name=\"Advanced\" value=\"Advanced View\">\n");
 963                 } else {
 964                         printf("<input type=submit name=\"Basic\" value=\"Basic View\">\n");
 965                 }
 966                 printf("<p>\n");
 967         }
 968
 969         if (snum >= 0) {
 970                 printf("<table>\n");
 971                 show_parameters(snum, 1, advanced, 1);
 972                 printf("</table>\n");
 973         }
 974
 975         if (advanced) {
 976                 printf("<input type=hidden name=\"Advanced\" value=1>\n");
 977         }
 978
 979         printf("</FORM>\n");
 980 }
 981
 982 /****************************************************************************
 983   MAIN()
 984 ****************************************************************************/
 985  int main(int argc, char *argv[])
 986 {
 987         extern char *optarg;
 988         extern int optind;
 989         extern FILE *dbf;
 990         int opt;
 991         char *page;
 992
 993         fault_setup(NULL);
 994         umask(S_IWGRP | S_IWOTH);
 995
 996 #if defined(HAVE_SET_AUTH_PARAMETERS)
 997         set_auth_parameters(argc, argv);
 998 #endif /* HAVE_SET_AUTH_PARAMETERS */
 999
1000         /* just in case it goes wild ... */
1001         alarm(300);
1002
1003         /* we don't want any SIGPIPE messages */
1004         BlockSignals(True,SIGPIPE);
1005
1006         dbf = sys_fopen("/dev/null", "w");
1007         if (!dbf) dbf = stderr;
1008
1009         /* we don't want stderr screwing us up */
1010         close(2);
1011         open("/dev/null", O_WRONLY);
1012
1013         while ((opt = getopt(argc, argv,"s:a")) != EOF) {
1014                 switch (opt) {
1015                 case 's':
1016                         pstrcpy(servicesf,optarg);
1017                         break;
1018                 case 'a':
1019                         demo_mode = True;
1020                         break;
1021                 }
1022         }
1023
1024         setup_logging(argv[0],False);
1025         charset_initialise();
1026         load_config(True);
1027         iNumNonAutoPrintServices = lp_numservices();
1028         load_printers();
1029
1030         cgi_setup(SWATDIR, !demo_mode);
1031
1032         print_header();
1033
1034         cgi_load_variables(NULL);
1035
1036         if (!file_exist(servicesf, NULL)) {
1037                 have_read_access = True;
1038                 have_write_access = True;
1039         } else {
1040                 /* check if the authenticated user has write access - if not then
1041                    don't show write options */
1042                 have_write_access = (access(servicesf,W_OK) == 0);
1043
1044                 /* if the user doesn't have read access to smb.conf then
1045                    don't let them view it */
1046                 have_read_access = (access(servicesf,R_OK) == 0);
1047         }
1048
1049
1050         show_main_buttons();
1051
1052         page = cgi_pathinfo();
1053
1054         /* Root gets full functionality */
1055         if (have_read_access && strcmp(page, "globals")==0) {
1056                 globals_page();
1057         } else if (have_read_access && strcmp(page,"shares")==0) {
1058                 shares_page();
1059         } else if (have_read_access && strcmp(page,"printers")==0) {
1060                 printers_page();
1061         } else if (have_read_access && strcmp(page,"status")==0) {
1062                 status_page();
1063         } else if (have_read_access && strcmp(page,"viewconfig")==0) {
1064                 viewconfig_page();
1065         } else if (strcmp(page,"passwd")==0) {
1066                 passwd_page();
1067         } else {
1068                 welcome_page();
1069         }
1070
1071         print_footer();
1072         return 0;
1073 }