* added gcc printf format checking to wprintf
[citadel.git] / webcit / auth.c
1 /*
2  * $Id$
3  *
4  * WebcitAuth; Handles authentication of users to a Citadel server.
5  */
6
7 #include "webcit.h"
8 #include "webserver.h"
9 #include <ctype.h>
10
11 /*
12  * Access level definitions.  This is initialized from a function rather than a
13  * static array so that the strings may be localized.
14  */
15 char *axdefs[7]; 
16
17 void initialize_axdefs(void) {
18         axdefs[0] = _("Deleted");       /* an erased user */
19         axdefs[1] = _("New User");      /* a new user */
20         axdefs[2] = _("Problem User");  /* a trouble maker */
21         axdefs[3] = _("Local User");    /* user with normal privileges */
22         axdefs[4] = _("Network User");  /* a user that may access network resources */
23         axdefs[5] = _("Preferred User");/* a moderator */
24         axdefs[6] = _("Aide");          /* chief */
25 }
26
27
28
29
30 /* 
31  * Display the login screen
32  * mesg = the error message if last attempt failed.
33  */
34 void display_login(char *mesg)
35 {
36         char buf[SIZ];
37
38         output_headers(1, 1, 2, 0, 0, 0);
39         wprintf("<div id=\"login_screen\">\n");
40
41         if (mesg != NULL) if (!IsEmptyStr(mesg)) {
42                         stresc(buf, SIZ,  mesg, 0, 0);
43                         svprintf(HKEY("MESG"), WCS_STRING, "%s", buf);
44         }
45
46         svprintf(HKEY("LOGIN_INSTRUCTIONS"), WCS_STRING,
47                 _("<ul>"
48                 "<li><b>If you already have an account on %s</b>, "
49                 "enter your user name and password and click &quot;Login.&quot; "
50                 "<li><b>If you are a new user</b>, enter the name and password "
51                 "you wish to use, "
52                 "and click &quot;New User.&quot; "
53                 "<li>Please log off properly when finished. "
54                 "<li>You must use a browser that supports <i>frames</i> and "
55                 "<i>cookies</i>. "
56                 "<li>Also keep in mind that if your browser is "
57                 "configured to block pop-up windows, you will not be able "
58                 "to receive any instant messages.<br />"
59                 "</ul>"),
60                 serv_info.serv_humannode
61         );
62
63         svput("USERNAME_BOX", WCS_STRING, _("User name:"));
64         svput("PASSWORD_BOX", WCS_STRING, _("Password:"));
65         svput("LANGUAGE_BOX", WCS_STRING, _("Language:"));
66         svput("LOGIN_BUTTON", WCS_STRING, _("Login"));
67         svput("NEWUSER_BUTTON", WCS_STRING, _("New User"));
68         svput("EXIT_BUTTON", WCS_STRING, _("Exit"));
69         svput("HELLO", WCS_SERVCMD, "MESG hello");
70         svprintf(HKEY("BOXTITLE"), WCS_STRING, _("%s - powered by <a href=\"http://www.citadel.org\">Citadel</a>"),
71                 serv_info.serv_humannode);
72         svcallback("DO_LANGUAGE_BOX", offer_languages);
73         if (serv_info.serv_newuser_disabled) {
74                 svput("NEWUSER_BUTTON_PRE", WCS_STRING, "<div style=\"display:none;\">");
75                 svput("NEWUSER_BUTTON_POST", WCS_STRING, "</div>");
76         }
77         else {
78                 svput("NEWUSER_BUTTON_PRE", WCS_STRING, "");
79                 svput("NEWUSER_BUTTON_POST", WCS_STRING, "");
80         }
81
82         if (serv_info.serv_supports_openid) {
83                 svprintf(HKEY("OFFER_OPENID_LOGIN"), WCS_STRING,
84                         "<div align=center>"
85                         "<a href=\"display_openid_login\">"
86                         "<img src=\"static/openid-small.gif\" border=0 valign=middle>"
87                         "%s</a>"
88                         "</div>"
89                         ,
90                         "Log in using OpenID"
91                 );
92         }
93         else {
94                 svput("OFFER_OPENID_LOGIN", WCS_STRING, "");
95         }
96
97         do_template("login");
98
99         wDumpContent(2);
100 }
101
102
103
104
105 /* 
106  * Display the openid-enabled login screen
107  * mesg = the error message if last attempt failed.
108  */
109 void display_openid_login(char *mesg)
110 {
111         char buf[SIZ];
112
113         output_headers(1, 1, 2, 0, 0, 0);
114         wprintf("<div id=\"login_screen\">\n");
115
116         if (mesg != NULL) if (!IsEmptyStr(mesg)) {
117                         stresc(buf, SIZ,  mesg, 0, 0);
118                         svprintf(HKEY("MESG"), WCS_STRING, "%s", buf);
119         }
120
121         svprintf(HKEY("LOGIN_INSTRUCTIONS"), WCS_STRING,
122                 _("<ul>"
123                 "<li>Enter your OpenID URL and click &quot;Login&quot;."
124                 "<li><a href=\"http://www.citadel.org/doku.php/documentation:openid\">"
125                 "Click here to learn what OpenID is and how Citadel is using it.</a>"
126                 "<li>Please log off properly when finished. "
127                 "<li>You must use a browser that supports <i>frames</i> and "
128                 "<i>cookies</i>. "
129                 "<li>Also keep in mind that if your browser is "
130                 "configured to block pop-up windows, you will not be able "
131                 "to receive any instant messages.<br />"
132                 "</ul>")
133         );
134
135         svput("OPENID_BOX", WCS_STRING, _("OpenID URL:"));
136         svput("LANGUAGE_BOX", WCS_STRING, _("Language:"));
137         svput("LOGIN_BUTTON", WCS_STRING, _("Login"));
138         svput("EXIT_BUTTON", WCS_STRING, _("Exit"));
139         svput("HELLO", WCS_SERVCMD, "MESG hello");
140         svprintf(HKEY("BOXTITLE"), WCS_STRING, _("%s - powered by <a href=\"http://www.citadel.org\">Citadel</a>"),
141                 serv_info.serv_humannode);
142         svcallback("DO_LANGUAGE_BOX", offer_languages);
143
144         svprintf(HKEY("OFFER_CONVENTIONAL_LOGIN"), WCS_STRING,
145                 "<div align=center>"
146                 "<a href=\"display_login\">"
147                 "%s</a>"
148                 "</div>"
149                 ,
150                 "Log in using a user name and password"
151         );
152
153         do_template("openid_login");
154         wDumpContent(2);
155 }
156
157
158 void display_openid_name_request(char *claimed_id, char *username) {
159         char buf[SIZ];
160
161         output_headers(1, 1, 2, 0, 0, 0);
162         wprintf("<div id=\"login_screen\">\n");
163
164         stresc(buf, sizeof buf, claimed_id, 0, 0);
165         svprintf(HKEY("VERIFIED"), WCS_STRING, _("Your OpenID <tt>%s</tt> was successfully verified."),
166                 claimed_id);
167         svput("CLAIMED_ID", WCS_STRING, claimed_id);
168
169
170         if (!IsEmptyStr(username)) {
171                 stresc(buf, sizeof buf, username, 0, 0);
172                 svprintf(HKEY("REASON"), WCS_STRING,
173                         _("However, the user name '%s' conflicts with an existing user."), username);
174         }
175         else {
176                 svput("REASON", WCS_STRING, "");
177         }
178
179         svput("ACTION_REQUESTED", WCS_STRING, _("Please specify the user name you would like to use."));
180
181         svput("USERNAME_BOX", WCS_STRING, _("User name:"));
182         svput("NEWUSER_BUTTON", WCS_STRING, _("New User"));
183         svput("EXIT_BUTTON", WCS_STRING, _("Exit"));
184
185         svprintf(HKEY("BOXTITLE"), WCS_STRING, _("%s - powered by <a href=\"http://www.citadel.org\">Citadel</a>"),
186                 serv_info.serv_humannode);
187
188         do_template("openid_manual_create");
189         wDumpContent(2);
190 }
191
192
193
194 /* Initialize the session
195  *
196  * This function needs to get called whenever the session changes from
197  * not-logged-in to logged-in, either by an explicit login by the user or
198  * by a timed-out session automatically re-establishing with a little help
199  * from the browser cookie.  Either way, we need to load access controls and
200  * preferences from the server.
201  *
202  * user                 the username
203  * pass                 his password
204  * serv_response        The parameters returned from a Citadel USER or NEWU command
205  */
206 void become_logged_in(char *user, char *pass, char *serv_response)
207 {
208         char buf[SIZ];
209
210         WC->logged_in = 1;
211         extract_token(WC->wc_fullname, &serv_response[4], 0, '|', sizeof WC->wc_fullname);
212         safestrncpy(WC->wc_username, user, sizeof WC->wc_username);
213         safestrncpy(WC->wc_password, pass, sizeof WC->wc_password);
214         WC->axlevel = extract_int(&serv_response[4], 1);
215         if (WC->axlevel >= 6) {
216                 WC->is_aide = 1;
217         }
218
219         load_preferences();
220
221         serv_puts("CHEK");
222         serv_getln(buf, sizeof buf);
223         if (buf[0] == '2') {
224                 WC->new_mail = extract_int(&buf[4], 0);
225                 WC->need_regi = extract_int(&buf[4], 1);
226                 WC->need_vali = extract_int(&buf[4], 2);
227                 extract_token(WC->cs_inet_email, &buf[4], 3, '|', sizeof WC->cs_inet_email);
228         }
229
230         get_pref_long("current_iconbar", &WC->current_iconbar, current_iconbar_menu);
231
232         get_preference("floordiv_expanded", &WC->floordiv_expanded);
233 }
234
235
236 /* 
237  * Perform authentication using a user name and password
238  */
239 void do_login(void)
240 {
241         char buf[SIZ];
242
243         if (havebstr("language")) {
244                 set_selected_language(bstr("language"));
245                 go_selected_language();
246         }
247
248         if (havebstr("exit_action")) {
249                 do_logout();
250                 return;
251         }
252         if (havebstr("login_action")) {
253                 serv_printf("USER %s", bstr("name"));
254                 serv_getln(buf, sizeof buf);
255                 if (buf[0] == '3') {
256                         serv_printf("PASS %s", bstr("pass"));
257                         serv_getln(buf, sizeof buf);
258                         if (buf[0] == '2') {
259                                 become_logged_in(bstr("name"), bstr("pass"), buf);
260                         } else {
261                                 display_login(&buf[4]);
262                                 return;
263                         }
264                 } else {
265                         display_login(&buf[4]);
266                         return;
267                 }
268         }
269         if (havebstr("newuser_action")) {
270                 if (!havebstr("pass")) {
271                         display_login(_("Blank passwords are not allowed."));
272                         return;
273                 }
274                 serv_printf("NEWU %s", bstr("name"));
275                 serv_getln(buf, sizeof buf);
276                 if (buf[0] == '2') {
277                         become_logged_in(bstr("name"), bstr("pass"), buf);
278                         serv_printf("SETP %s", bstr("pass"));
279                         serv_getln(buf, sizeof buf);
280                 } else {
281                         display_login(&buf[4]);
282                         return;
283                 }
284         }
285         if (WC->logged_in) {
286                 if (WC->need_regi) {
287                         display_reg(1);
288                 } else if (WC->need_vali) {
289                         validate();
290                 } else {
291                         do_welcome();
292                 }
293         } else {
294                 display_login(_("Your password was not accepted."));
295         }
296
297 }
298
299 /* 
300  * Try to create an account manually after an OpenID was verified
301  */
302 void openid_manual_create(void)
303 {
304         if (havebstr("exit_action")) {
305                 do_logout();
306                 return;
307         }
308
309         char buf[1024];
310         if (havebstr("newuser_action")) {
311                 serv_printf("OIDC %s", bstr("name"));
312                 serv_getln(buf, sizeof buf);
313                 if (buf[0] == '2') {
314                         char gpass[1024] = "";
315                         serv_puts("SETP GENERATE_RANDOM_PASSWORD");
316                         serv_getln(gpass, sizeof gpass);
317                         become_logged_in(bstr("name"), &gpass[4], buf);
318                 }
319         }
320
321         if (WC->logged_in) {
322                 if (WC->need_regi) {
323                         display_reg(1);
324                 } else if (WC->need_vali) {
325                         validate();
326                 } else {
327                         do_welcome();
328                 }
329         } else {
330                 display_openid_name_request(bstr("openid_url"), bstr("name"));
331         }
332
333 }
334
335
336 /* 
337  * Perform authentication using OpenID
338  * assemble the checkid_setup request and then redirect to the user's identity provider
339  */
340 void do_openid_login(void)
341 {
342         char buf[4096];
343
344         if (havebstr("language")) {
345                 set_selected_language(bstr("language"));
346                 go_selected_language();
347         }
348
349         if (havebstr("exit_action")) {
350                 do_logout();
351                 return;
352         }
353         if (havebstr("login_action")) {
354                 snprintf(buf, sizeof buf,
355                         "OIDS %s|%s://%s/finalize_openid_login|%s://%s",
356                         bstr("openid_url"),
357                         (is_https ? "https" : "http"), WC->http_host,
358                         (is_https ? "https" : "http"), WC->http_host
359                 );
360
361                 serv_puts(buf);
362                 serv_getln(buf, sizeof buf);
363                 if (buf[0] == '2') {
364                         lprintf(CTDL_DEBUG, "OpenID server contacted; redirecting to %s\n", &buf[4]);
365                         http_redirect(&buf[4]);
366                         return;
367                 }
368                 else {
369                         display_openid_login(&buf[4]);
370                         return;
371                 }
372         }
373
374         /* If we get to this point then something failed. */
375         display_openid_login(_("Your password was not accepted."));
376 }
377
378 /* 
379  * Complete the authentication using OpenID
380  * This function handles the positive or negative assertion from the user's Identity Provider
381  */
382 void finalize_openid_login(void)
383 {
384         char buf[1024];
385         struct wcsession *WCC = WC;
386         int already_logged_in = (WCC->logged_in) ;
387         int linecount = 0;
388         char result[128] = "";
389         char username[128] = "";
390         char password[128] = "";
391         char logged_in_response[1024] = "";
392         char claimed_id[1024] = "";
393
394         if (havebstr("openid.mode")) {
395                 if (!strcasecmp(bstr("openid.mode"), "id_res")) {
396
397                         serv_puts("OIDF");
398                         serv_getln(buf, sizeof buf);
399
400                         if (buf[0] == '8') {
401                                 urlcontent *u;
402                                 void *U;
403                                 long HKLen;
404                                 char *HKey;
405                                 HashPos *Cursor;
406                                 
407                                 Cursor = GetNewHashPos ();
408                                 while (GetNextHashPos(WCC->urlstrings, Cursor, &HKLen, &HKey, &U)) {
409                                         u = (urlcontent*) U;
410                                         if (!strncasecmp(u->url_key, "openid.", 7)) {
411                                                 serv_printf("%s|%s", &u->url_key[7], u->url_data);
412                                         }
413                                 }
414
415                                 serv_puts("000");
416
417                                 linecount = 0;
418                                 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
419                                         if (linecount == 0) safestrncpy(result, buf, sizeof result);
420                                         if (!strcasecmp(result, "authenticate")) {
421                                                 if (linecount == 1) {
422                                                         safestrncpy(username, buf, sizeof username);
423                                                 }
424                                                 else if (linecount == 2) {
425                                                         safestrncpy(password, buf, sizeof password);
426                                                 }
427                                                 else if (linecount == 3) {
428                                                         safestrncpy(logged_in_response, buf,
429                                                                 sizeof logged_in_response);
430                                                 }
431                                         }
432                                         else if (!strcasecmp(result, "verify_only")) {
433                                                 if (linecount == 1) {
434                                                         safestrncpy(claimed_id, buf, sizeof claimed_id);
435                                                 }
436                                                 if (linecount == 2) {
437                                                         safestrncpy(username, buf, sizeof username);
438                                                 }
439                                         }
440                                         ++linecount;
441                                 }
442                         }
443                 }
444         }
445
446         /* If we were already logged in, this was an attempt to associate an OpenID account */
447         if (already_logged_in) {
448                 display_openids();
449                 return;
450         }
451
452         /* If this operation logged us in, either by connecting with an existing account or by
453          * auto-creating one using Simple Registration Extension, we're already on our way.
454          */
455         if (!strcasecmp(result, "authenticate")) {
456                 become_logged_in(username, password, logged_in_response);
457         }
458
459         /* The specified OpenID was verified but the desired user name was either not specified via SRI
460          * or conflicts with an existing user.  Either way the user will need to specify a new name.
461          */
462
463         else if (!strcasecmp(result, "verify_only")) {
464                 display_openid_name_request(claimed_id, username);
465         }
466
467         /* Did we manage to log in?  If so, continue with the normal flow... */
468         if (WC->logged_in) {
469                 if (WC->need_regi) {
470                         display_reg(1);
471                 } else {
472                         do_welcome();
473                 }
474         } else {
475                 display_openid_login(_("Your password was not accepted."));
476         }
477
478 }
479
480
481 /*
482  * Display a welcome screen to the user.
483  *
484  * If this is the first time login, and the web based setup is enabled, 
485  * lead the user through the setup routines
486  */
487 void do_welcome(void)
488 {
489         StrBuf *Buf;
490 #ifdef XXX_NOT_FINISHED_YET_XXX
491         FILE *fp;
492         int i;
493
494         /**
495          * See if we have to run the first-time setup wizard
496          */
497         if (WC->is_aide) {
498                 if (!setup_wizard) {
499                         int len;
500                         sprintf(wizard_filename, "setupwiz.%s.%s",
501                                 ctdlhost, ctdlport);
502                         len = strlen(wizard_filename);
503                         for (i=0; i<len; ++i) {
504                                 if (    (wizard_filename[i]==' ')
505                                         || (wizard_filename[i] == '/')
506                                 ) {
507                                         wizard_filename[i] = '_';
508                                 }
509                         }
510         
511                         fp = fopen(wizard_filename, "r");
512                         if (fp != NULL) {
513                                 fgets(buf, sizeof buf, fp);
514                                 buf[strlen(buf)-1] = 0;
515                                 fclose(fp);
516                                 if (atoi(buf) == serv_info.serv_rev_level) {
517                                         setup_wizard = 1; /**< already run */
518                                 }
519                         }
520                 }
521
522                 if (!setup_wizard) {
523                         http_redirect("setup_wizard");
524                 }
525         }
526 #endif
527
528         /*
529          * Go to the user's preferred start page
530          */
531         if (!get_preference("startpage", &Buf)) {
532                 Buf = NewStrBuf ();
533                 StrBufPrintf(Buf, "dotskip&room=_BASEROOM_");
534                 set_preference("startpage", Buf, 1);
535         }
536         if (ChrPtr(Buf)[0] == '/') {
537                 StrBufCutLeft(Buf, 1);
538         }
539         http_redirect(ChrPtr(Buf));
540 }
541
542
543 /*
544  * Disconnect from the Citadel server, and end this WebCit session
545  */
546 void end_webcit_session(void) {
547         
548         if (WC->logged_in) {
549                 set_pref_long("current_iconbar", WC->current_iconbar, 0);
550                 set_preference("floordiv_expanded", WC->floordiv_expanded, 1);
551         }
552
553         serv_puts("QUIT");
554         WC->killthis = 1;
555         /* close() of citadel socket will be done by do_housekeeping() */
556 }
557
558 /* 
559  * execute the logout
560  */
561 void do_logout(void)
562 {
563         char buf[SIZ];
564
565         safestrncpy(WC->wc_username, "", sizeof WC->wc_username);
566         safestrncpy(WC->wc_password, "", sizeof WC->wc_password);
567         safestrncpy(WC->wc_roomname, "", sizeof WC->wc_roomname);
568         safestrncpy(WC->wc_fullname, "", sizeof WC->wc_fullname);
569
570         /** Calling output_headers() this way causes the cookies to be un-set */
571         output_headers(1, 1, 0, 1, 0, 0);
572
573         wprintf("<div id=\"logout_screen\">");
574         wprintf("<div class=\"box\">");
575         wprintf("<div class=\"boxlabel\">");
576         wprintf(_("Log off"));
577         wprintf("</div><div class=\"boxcontent\">");    
578         serv_puts("MESG goodbye");
579         serv_getln(buf, sizeof buf);
580
581         if (WC->serv_sock >= 0) {
582                 if (buf[0] == '1') {
583                         fmout("CENTER");
584                 } else {
585                         wprintf("Goodbye\n");
586                 }
587         }
588         else {
589                 wprintf(_("This program was unable to connect or stay "
590                         "connected to the Citadel server.  Please report "
591                         "this problem to your system administrator.")
592                 );
593                 wprintf("<a href=\"http://www.citadel.org/doku.php/"
594                         "faq:mastering_your_os:net#netstat\">%s</a>", 
595                         _("Read More..."));
596         }
597
598         wprintf("<hr /><div class=\"buttons\"> "
599                 "<span class=\"button_link\"><a href=\".\">");
600         wprintf(_("Log in again"));
601         wprintf("</a></span>&nbsp;&nbsp;&nbsp;<span class=\"button_link\">"
602                 "<a href=\"javascript:window.close();\">");
603         wprintf(_("Close window"));
604         wprintf("</a></span></div></div></div></div>\n");
605         wDumpContent(2);
606         end_webcit_session();
607 }
608
609
610 /*
611  * validate new users
612  */
613 void validate(void)
614 {
615         char cmd[SIZ];
616         char user[SIZ];
617         char buf[SIZ];
618         int a;
619
620         output_headers(1, 1, 2, 0, 0, 0);
621         wprintf("<div id=\"banner\">\n");
622         wprintf("<h1>");
623         wprintf(_("Validate new users"));
624         wprintf("</h1>");
625         wprintf("</div>\n");
626
627         wprintf("<div id=\"content\" class=\"service\">\n");
628
629         /* If the user just submitted a validation, process it... */
630         safestrncpy(buf, bstr("user"), sizeof buf);
631         if (!IsEmptyStr(buf)) {
632                 if (havebstr("axlevel")) {
633                         serv_printf("VALI %s|%s", buf, bstr("axlevel"));
634                         serv_getln(buf, sizeof buf);
635                         if (buf[0] != '2') {
636                                 wprintf("<b>%s</b><br />\n", &buf[4]);
637                         }
638                 }
639         }
640
641         /* Now see if any more users require validation. */
642         serv_puts("GNUR");
643         serv_getln(buf, sizeof buf);
644         if (buf[0] == '2') {
645                 wprintf("<b>");
646                 wprintf(_("No users require validation at this time."));
647                 wprintf("</b><br />\n");
648                 wDumpContent(1);
649                 return;
650         }
651         if (buf[0] != '3') {
652                 wprintf("<b>%s</b><br />\n", &buf[4]);
653                 wDumpContent(1);
654                 return;
655         }
656
657         wprintf("<div class=\"fix_scrollbar_bug\">"
658                 "<table class=\"auth_validate\"><tr><td>\n");
659         wprintf("<center>");
660
661         safestrncpy(user, &buf[4], sizeof user);
662         serv_printf("GREG %s", user);
663         serv_getln(cmd, sizeof cmd);
664         if (cmd[0] == '1') {
665                 a = 0;
666                 do {
667                         serv_getln(buf, sizeof buf);
668                         ++a;
669                         if (a == 1)
670                                 wprintf("#%s<br /><H1>%s</H1>",
671                                         buf, &cmd[4]);
672                         if (a == 2) {
673                                 char *pch;
674                                 int haveChar = 0;
675                                 int haveNum = 0;
676                                 int haveOther = 0;
677                                 int count = 0;
678                                 pch = buf;
679                                 while (!IsEmptyStr(pch))
680                                 {
681                                         if (isdigit(*pch))
682                                                 haveNum = 1;
683                                         else if (isalpha(*pch))
684                                                 haveChar = 1;
685                                         else
686                                                 haveOther = 1;
687                                         pch ++;
688                                 }
689                                 count = pch - buf;
690                                 if (count > 7)
691                                         count = 0;
692                                 switch (count){
693                                 case 0:
694                                         pch = _("very weak");
695                                         break;
696                                 case 1:
697                                         pch = _("weak");
698                                         break;
699                                 case 2:
700                                         pch = _("ok");
701                                         break;
702                                 case 3:
703                                 default:
704                                         pch = _("strong");
705                                 }
706
707                                 wprintf("PW: %s<br />\n", pch);
708                         }
709                         if (a == 3)
710                                 wprintf("%s<br />\n", buf);
711                         if (a == 4)
712                                 wprintf("%s<br />\n", buf);
713                         if (a == 5)
714                                 wprintf("%s, ", buf);
715                         if (a == 6)
716                                 wprintf("%s ", buf);
717                         if (a == 7)
718                                 wprintf("%s<br />\n", buf);
719                         if (a == 8)
720                                 wprintf("%s<br />\n", buf);
721                         if (a == 9)
722                                 wprintf(_("Current access level: %d (%s)\n"),
723                                         atoi(buf), axdefs[atoi(buf)]);
724                 } while (strcmp(buf, "000"));
725         } else {
726                 wprintf("<H1>%s</H1>%s<br />\n", user, &cmd[4]);
727         }
728
729         wprintf("<hr />");
730         wprintf(_("Select access level for this user:"));
731         wprintf("<br />\n");
732         for (a = 0; a <= 6; ++a) {
733                 wprintf("<a href=\"validate?nonce=%d?user=", WC->nonce);
734                 urlescputs(user);
735                 wprintf("&axlevel=%d\">%s</A>&nbsp;&nbsp;&nbsp;\n",
736                         a, axdefs[a]);
737         }
738         wprintf("<br />\n");
739
740         wprintf("</CENTER>\n");
741         wprintf("</td></tr></table></div>\n");
742         wDumpContent(1);
743 }
744
745
746
747 /*
748  * Display form for registration.
749  *
750  * (Set during_login to 1 if this registration is being performed during
751  * new user login and will require chaining to the proper screen.)
752  */
753 void display_reg(int during_login)
754 {
755         long vcard_msgnum;
756
757         if (goto_config_room() != 0) {
758                 if (during_login) do_welcome();
759                 else display_main_menu();
760                 return;
761         }
762
763         vcard_msgnum = locate_user_vcard(WC->wc_fullname, -1);
764         if (vcard_msgnum < 0L) {
765                 if (during_login) do_welcome();
766                 else display_main_menu();
767                 return;
768         }
769
770         if (during_login) {
771                 do_edit_vcard(vcard_msgnum, "1", "do_welcome", USERCONFIGROOM);
772         }
773         else {
774                 do_edit_vcard(vcard_msgnum, "1", "display_main_menu", USERCONFIGROOM);
775         }
776
777 }
778
779
780
781
782 /*
783  * display form for changing your password
784  */
785 void display_changepw(void)
786 {
787         char buf[SIZ];
788
789         output_headers(1, 1, 1, 0, 0, 0);
790
791         svput("BOXTITLE", WCS_STRING, _("Change your password"));
792         do_template("beginbox");
793
794         if (!IsEmptyStr(WC->ImportantMessage)) {
795                 wprintf("<span class=\"errormsg\">"
796                         "%s</span><br />\n", WC->ImportantMessage);
797                 safestrncpy(WC->ImportantMessage, "", sizeof WC->ImportantMessage);
798         }
799
800         serv_puts("MESG changepw");
801         serv_getln(buf, sizeof buf);
802         if (buf[0] == '1') {
803                 fmout("CENTER");
804         }
805
806         wprintf("<form name=\"changepwform\" action=\"changepw\" method=\"post\">\n");
807         wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
808         wprintf("<table class=\"altern\" ");
809         wprintf("<tr class=\"even\"><td>");
810         wprintf(_("Enter new password:"));
811         wprintf("</td><td>");
812         wprintf("<input type=\"password\" name=\"newpass1\" value=\"\" maxlength=\"20\"></td></tr>\n");
813         wprintf("<tr class=\"odd\"><td>");
814         wprintf(_("Enter it again to confirm:"));
815         wprintf("</td><td>");
816         wprintf("<input type=\"password\" name=\"newpass2\" value=\"\" maxlength=\"20\"></td></tr>\n");
817         wprintf("</table>\n");
818
819         wprintf("<div class=\"buttons\">\n");
820         wprintf("<input type=\"submit\" name=\"change_action\" value=\"%s\">", _("Change password"));
821         wprintf("&nbsp;");
822         wprintf("<input type=\"submit\" name=\"cancel_action\" value=\"%s\">\n", _("Cancel"));
823         wprintf("</div>\n");
824         wprintf("</form>\n");
825
826         do_template("endbox");
827         wDumpContent(1);
828 }
829
830 /*
831  * change password
832  * if passwords match, propagate it to citserver.
833  */
834 void changepw(void)
835 {
836         char buf[SIZ];
837         char newpass1[32], newpass2[32];
838
839         if (!havebstr("change_action")) {
840                 safestrncpy(WC->ImportantMessage, 
841                         _("Cancelled.  Password was not changed."),
842                         sizeof WC->ImportantMessage);
843                 display_main_menu();
844                 return;
845         }
846
847         safestrncpy(newpass1, bstr("newpass1"), sizeof newpass1);
848         safestrncpy(newpass2, bstr("newpass2"), sizeof newpass2);
849
850         if (strcasecmp(newpass1, newpass2)) {
851                 safestrncpy(WC->ImportantMessage, 
852                         _("They don't match.  Password was not changed."),
853                         sizeof WC->ImportantMessage);
854                 display_changepw();
855                 return;
856         }
857
858         if (IsEmptyStr(newpass1)) {
859                 safestrncpy(WC->ImportantMessage, 
860                         _("Blank passwords are not allowed."),
861                         sizeof WC->ImportantMessage);
862                 display_changepw();
863                 return;
864         }
865
866         serv_printf("SETP %s", newpass1);
867         serv_getln(buf, sizeof buf);
868         sprintf(WC->ImportantMessage, "%s", &buf[4]);
869         if (buf[0] == '2') {
870                 safestrncpy(WC->wc_password, buf, sizeof WC->wc_password);
871                 display_main_menu();
872         }
873         else {
874                 display_changepw();
875         }
876 }
877
878
879
880 void InitModule_AUTH(void)
881 {
882         WebcitAddUrlHandler(HKEY("do_welcome"), do_welcome, 0);
883         return ;
884 }