5b92c99bf458f7f249675da70ff43967dd0f5f82
[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 void display_reg(int during_login);
13
14 /*
15  * Access level definitions.  This is initialized from a function rather than a
16  * static array so that the strings may be localized.
17  */
18 char *axdefs[7]; 
19
20 void initialize_axdefs(void) {
21         axdefs[0] = _("Deleted");       /* an erased user */
22         axdefs[1] = _("New User");      /* a new user */
23         axdefs[2] = _("Problem User");  /* a trouble maker */
24         axdefs[3] = _("Local User");    /* user with normal privileges */
25         axdefs[4] = _("Network User");  /* a user that may access network resources */
26         axdefs[5] = _("Preferred User");/* a moderator */
27         axdefs[6] = _("Aide");          /* chief */
28 }
29
30
31
32
33 /* 
34  * Display the login screen
35  * mesg = the error message if last attempt failed.
36  */
37 void display_login(char *mesg)
38 {
39         char buf[SIZ];
40
41         output_headers(1, 1, 2, 0, 0, 0);
42         wprintf("<div id=\"login_screen\">\n");
43
44         if (mesg != NULL) if (!IsEmptyStr(mesg)) {
45                         stresc(buf, SIZ,  mesg, 0, 0);
46                         svprintf(HKEY("MESG"), WCS_STRING, "%s", buf);
47         }
48
49         svprintf(HKEY("LOGIN_INSTRUCTIONS"), WCS_STRING,
50                 _("<ul>"
51                 "<li><b>If you already have an account on %s</b>, "
52                 "enter your user name and password and click &quot;Login.&quot; "
53                 "<li><b>If you are a new user</b>, enter the name and password "
54                 "you wish to use, "
55                 "and click &quot;New User.&quot; "
56                 "<li>Please log off properly when finished. "
57                 "<li>You must use a browser that supports <i>frames</i> and "
58                 "<i>cookies</i>. "
59                 "<li>Also keep in mind that if your browser is "
60                 "configured to block pop-up windows, you will not be able "
61                 "to receive any instant messages.<br />"
62                 "</ul>"),
63                 serv_info.serv_humannode
64         );
65
66         svput("USERNAME_BOX", WCS_STRING, _("User name:"));
67         svput("PASSWORD_BOX", WCS_STRING, _("Password:"));
68         svput("LANGUAGE_BOX", WCS_STRING, _("Language:"));
69         svput("LOGIN_BUTTON", WCS_STRING, _("Login"));
70         svput("NEWUSER_BUTTON", WCS_STRING, _("New User"));
71         svput("EXIT_BUTTON", WCS_STRING, _("Exit"));
72         svput("HELLO", WCS_SERVCMD, "MESG hello");
73         svprintf(HKEY("BOXTITLE"), WCS_STRING, _("%s - powered by <a href=\"http://www.citadel.org\">Citadel</a>"),
74                 serv_info.serv_humannode);
75         svcallback("DO_LANGUAGE_BOX", offer_languages);
76         if (serv_info.serv_newuser_disabled) {
77                 svput("NEWUSER_BUTTON_PRE", WCS_STRING, "<div style=\"display:none;\">");
78                 svput("NEWUSER_BUTTON_POST", WCS_STRING, "</div>");
79         }
80         else {
81                 svput("NEWUSER_BUTTON_PRE", WCS_STRING, "");
82                 svput("NEWUSER_BUTTON_POST", WCS_STRING, "");
83         }
84
85         if (serv_info.serv_supports_openid) {
86                 svprintf(HKEY("OFFER_OPENID_LOGIN"), WCS_STRING,
87                         "<div align=center>"
88                         "<a href=\"display_openid_login\">"
89                         "<img src=\"static/openid-small.gif\" border=0 valign=middle>"
90                         "%s</a>"
91                         "</div>"
92                         ,
93                         "Log in using OpenID"
94                 );
95         }
96         else {
97                 svput("OFFER_OPENID_LOGIN", WCS_STRING, "");
98         }
99
100         do_template("login", NULL);
101
102         wDumpContent(2);
103 }
104
105
106
107
108 /* 
109  * Display the openid-enabled login screen
110  * mesg = the error message if last attempt failed.
111  */
112 void display_openid_login(char *mesg)
113 {
114         char buf[SIZ];
115
116         output_headers(1, 1, 2, 0, 0, 0);
117         wprintf("<div id=\"login_screen\">\n");
118
119         if (mesg != NULL) if (!IsEmptyStr(mesg)) {
120                         stresc(buf, SIZ,  mesg, 0, 0);
121                         svprintf(HKEY("MESG"), WCS_STRING, "%s", buf);
122         }
123
124         svprintf(HKEY("LOGIN_INSTRUCTIONS"), WCS_STRING,
125                 _("<ul>"
126                 "<li>Enter your OpenID URL and click &quot;Login&quot;."
127                 "<li><a href=\"http://www.citadel.org/doku.php/documentation:openid\">"
128                 "Click here to learn what OpenID is and how Citadel is using it.</a>"
129                 "<li>Please log off properly when finished. "
130                 "<li>You must use a browser that supports <i>frames</i> and "
131                 "<i>cookies</i>. "
132                 "<li>Also keep in mind that if your browser is "
133                 "configured to block pop-up windows, you will not be able "
134                 "to receive any instant messages.<br />"
135                 "</ul>")
136         );
137
138         svput("OPENID_BOX", WCS_STRING, _("OpenID URL:"));
139         svput("LANGUAGE_BOX", WCS_STRING, _("Language:"));
140         svput("LOGIN_BUTTON", WCS_STRING, _("Login"));
141         svput("EXIT_BUTTON", WCS_STRING, _("Exit"));
142         svput("HELLO", WCS_SERVCMD, "MESG hello");
143         svprintf(HKEY("BOXTITLE"), WCS_STRING, _("%s - powered by <a href=\"http://www.citadel.org\">Citadel</a>"),
144                 serv_info.serv_humannode);
145         svcallback("DO_LANGUAGE_BOX", offer_languages);
146
147         svprintf(HKEY("OFFER_CONVENTIONAL_LOGIN"), WCS_STRING,
148                 "<div align=center>"
149                 "<a href=\"display_login\">"
150                 "%s</a>"
151                 "</div>"
152                 ,
153                 "Log in using a user name and password"
154         );
155
156         do_template("openid_login", NULL);
157         wDumpContent(2);
158 }
159
160
161 void display_openid_name_request(char *claimed_id, char *username) {
162         char buf[SIZ];
163
164         output_headers(1, 1, 2, 0, 0, 0);
165         wprintf("<div id=\"login_screen\">\n");
166
167         stresc(buf, sizeof buf, claimed_id, 0, 0);
168         svprintf(HKEY("VERIFIED"), WCS_STRING, _("Your OpenID <tt>%s</tt> was successfully verified."),
169                 claimed_id);
170         svput("CLAIMED_ID", WCS_STRING, claimed_id);
171
172
173         if (!IsEmptyStr(username)) {
174                 stresc(buf, sizeof buf, username, 0, 0);
175                 svprintf(HKEY("REASON"), WCS_STRING,
176                         _("However, the user name '%s' conflicts with an existing user."), username);
177         }
178         else {
179                 svput("REASON", WCS_STRING, "");
180         }
181
182         svput("ACTION_REQUESTED", WCS_STRING, _("Please specify the user name you would like to use."));
183
184         svput("USERNAME_BOX", WCS_STRING, _("User name:"));
185         svput("NEWUSER_BUTTON", WCS_STRING, _("New User"));
186         svput("EXIT_BUTTON", WCS_STRING, _("Exit"));
187
188         svprintf(HKEY("BOXTITLE"), WCS_STRING, _("%s - powered by <a href=\"http://www.citadel.org\">Citadel</a>"),
189                 serv_info.serv_humannode);
190
191         do_template("openid_manual_create", NULL);
192         wDumpContent(2);
193 }
194
195
196
197 /* Initialize the session
198  *
199  * This function needs to get called whenever the session changes from
200  * not-logged-in to logged-in, either by an explicit login by the user or
201  * by a timed-out session automatically re-establishing with a little help
202  * from the browser cookie.  Either way, we need to load access controls and
203  * preferences from the server.
204  *
205  * user                 the username
206  * pass                 his password
207  * serv_response        The parameters returned from a Citadel USER or NEWU command
208  */
209 void become_logged_in(char *user, char *pass, char *serv_response)
210 {
211         char buf[SIZ];
212         StrBuf *FloorDiv;
213
214         WC->logged_in = 1;
215         extract_token(WC->wc_fullname, &serv_response[4], 0, '|', sizeof WC->wc_fullname);
216         safestrncpy(WC->wc_username, user, sizeof WC->wc_username);
217         safestrncpy(WC->wc_password, pass, sizeof WC->wc_password);
218         WC->axlevel = extract_int(&serv_response[4], 1);
219         if (WC->axlevel >= 6) {
220                 WC->is_aide = 1;
221         }
222
223         load_preferences();
224
225         serv_puts("CHEK");
226         serv_getln(buf, sizeof buf);
227         if (buf[0] == '2') {
228                 WC->new_mail = extract_int(&buf[4], 0);
229                 WC->need_regi = extract_int(&buf[4], 1);
230                 WC->need_vali = extract_int(&buf[4], 2);
231                 extract_token(WC->cs_inet_email, &buf[4], 3, '|', sizeof WC->cs_inet_email);
232         }
233
234         get_pref_long("current_iconbar", &WC->current_iconbar, current_iconbar_menu);
235
236         get_preference("floordiv_expanded", &FloorDiv);
237         WC->floordiv_expanded = FloorDiv;
238 }
239
240
241 /* 
242  * Perform authentication using a user name and password
243  */
244 void do_login(void)
245 {
246         char buf[SIZ];
247
248         if (havebstr("language")) {
249                 set_selected_language(bstr("language"));
250                 go_selected_language();
251         }
252
253         if (havebstr("exit_action")) {
254                 do_logout();
255                 return;
256         }
257         if (havebstr("login_action")) {
258                 serv_printf("USER %s", bstr("name"));
259                 serv_getln(buf, sizeof buf);
260                 if (buf[0] == '3') {
261                         serv_printf("PASS %s", bstr("pass"));
262                         serv_getln(buf, sizeof buf);
263                         if (buf[0] == '2') {
264                                 become_logged_in(bstr("name"), bstr("pass"), buf);
265                         } else {
266                                 display_login(&buf[4]);
267                                 return;
268                         }
269                 } else {
270                         display_login(&buf[4]);
271                         return;
272                 }
273         }
274         if (havebstr("newuser_action")) {
275                 if (!havebstr("pass")) {
276                         display_login(_("Blank passwords are not allowed."));
277                         return;
278                 }
279                 serv_printf("NEWU %s", bstr("name"));
280                 serv_getln(buf, sizeof buf);
281                 if (buf[0] == '2') {
282                         become_logged_in(bstr("name"), bstr("pass"), buf);
283                         serv_printf("SETP %s", bstr("pass"));
284                         serv_getln(buf, sizeof buf);
285                 } else {
286                         display_login(&buf[4]);
287                         return;
288                 }
289         }
290         if (WC->logged_in) {
291                 set_preference("language", NewStrBufPlain(bstr("language"), -1), 1);
292                 if (WC->need_regi) {
293                         display_reg(1);
294                 } else if (WC->need_vali) {
295                         validate();
296                 } else {
297                         do_welcome();
298                 }
299         } else {
300                 display_login(_("Your password was not accepted."));
301         }
302
303 }
304
305 /* 
306  * Try to create an account manually after an OpenID was verified
307  */
308 void openid_manual_create(void)
309 {
310         if (havebstr("exit_action")) {
311                 do_logout();
312                 return;
313         }
314
315         char buf[1024];
316         if (havebstr("newuser_action")) {
317                 serv_printf("OIDC %s", bstr("name"));
318                 serv_getln(buf, sizeof buf);
319                 if (buf[0] == '2') {
320                         char gpass[1024] = "";
321                         serv_puts("SETP GENERATE_RANDOM_PASSWORD");
322                         serv_getln(gpass, sizeof gpass);
323                         become_logged_in(bstr("name"), &gpass[4], buf);
324                 }
325         }
326
327         if (WC->logged_in) {
328                 if (WC->need_regi) {
329                         display_reg(1);
330                 } else if (WC->need_vali) {
331                         validate();
332                 } else {
333                         do_welcome();
334                 }
335         } else {
336                 display_openid_name_request(bstr("openid_url"), bstr("name"));
337         }
338
339 }
340
341
342 /* 
343  * Perform authentication using OpenID
344  * assemble the checkid_setup request and then redirect to the user's identity provider
345  */
346 void do_openid_login(void)
347 {
348         char buf[4096];
349
350         if (havebstr("language")) {
351                 set_selected_language(bstr("language"));
352                 go_selected_language();
353         }
354
355         if (havebstr("exit_action")) {
356                 do_logout();
357                 return;
358         }
359         if (havebstr("login_action")) {
360                 snprintf(buf, sizeof buf,
361                         "OIDS %s|%s://%s/finalize_openid_login|%s://%s",
362                         bstr("openid_url"),
363                         (is_https ? "https" : "http"), WC->http_host,
364                         (is_https ? "https" : "http"), WC->http_host
365                 );
366
367                 serv_puts(buf);
368                 serv_getln(buf, sizeof buf);
369                 if (buf[0] == '2') {
370                         lprintf(CTDL_DEBUG, "OpenID server contacted; redirecting to %s\n", &buf[4]);
371                         http_redirect(&buf[4]);
372                         return;
373                 }
374                 else {
375                         display_openid_login(&buf[4]);
376                         return;
377                 }
378         }
379
380         /* If we get to this point then something failed. */
381         display_openid_login(_("Your password was not accepted."));
382 }
383
384 /* 
385  * Complete the authentication using OpenID
386  * This function handles the positive or negative assertion from the user's Identity Provider
387  */
388 void finalize_openid_login(void)
389 {
390         char buf[1024];
391         struct wcsession *WCC = WC;
392         int already_logged_in = (WCC->logged_in) ;
393         int linecount = 0;
394         char result[128] = "";
395         char username[128] = "";
396         char password[128] = "";
397         char logged_in_response[1024] = "";
398         char claimed_id[1024] = "";
399
400         if (havebstr("openid.mode")) {
401                 if (!strcasecmp(bstr("openid.mode"), "id_res")) {
402
403                         serv_puts("OIDF");
404                         serv_getln(buf, sizeof buf);
405
406                         if (buf[0] == '8') {
407                                 urlcontent *u;
408                                 void *U;
409                                 long HKLen;
410                                 const char *HKey;
411                                 HashPos *Cursor;
412                                 
413                                 Cursor = GetNewHashPos ();
414                                 while (GetNextHashPos(WCC->urlstrings, Cursor, &HKLen, &HKey, &U)) {
415                                         u = (urlcontent*) U;
416                                         if (!strncasecmp(u->url_key, "openid.", 7)) {
417                                                 serv_printf("%s|%s", &u->url_key[7], ChrPtr(u->url_data));
418                                         }
419                                 }
420
421                                 serv_puts("000");
422
423                                 linecount = 0;
424                                 while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
425                                         if (linecount == 0) safestrncpy(result, buf, sizeof result);
426                                         if (!strcasecmp(result, "authenticate")) {
427                                                 if (linecount == 1) {
428                                                         safestrncpy(username, buf, sizeof username);
429                                                 }
430                                                 else if (linecount == 2) {
431                                                         safestrncpy(password, buf, sizeof password);
432                                                 }
433                                                 else if (linecount == 3) {
434                                                         safestrncpy(logged_in_response, buf,
435                                                                 sizeof logged_in_response);
436                                                 }
437                                         }
438                                         else if (!strcasecmp(result, "verify_only")) {
439                                                 if (linecount == 1) {
440                                                         safestrncpy(claimed_id, buf, sizeof claimed_id);
441                                                 }
442                                                 if (linecount == 2) {
443                                                         safestrncpy(username, buf, sizeof username);
444                                                 }
445                                         }
446                                         ++linecount;
447                                 }
448                         }
449                 }
450         }
451
452         /* If we were already logged in, this was an attempt to associate an OpenID account */
453         if (already_logged_in) {
454                 display_openids();
455                 return;
456         }
457
458         /* If this operation logged us in, either by connecting with an existing account or by
459          * auto-creating one using Simple Registration Extension, we're already on our way.
460          */
461         if (!strcasecmp(result, "authenticate")) {
462                 become_logged_in(username, password, logged_in_response);
463         }
464
465         /* The specified OpenID was verified but the desired user name was either not specified via SRI
466          * or conflicts with an existing user.  Either way the user will need to specify a new name.
467          */
468
469         else if (!strcasecmp(result, "verify_only")) {
470                 display_openid_name_request(claimed_id, username);
471         }
472
473         /* Did we manage to log in?  If so, continue with the normal flow... */
474         if (WC->logged_in) {
475                 if (WC->need_regi) {
476                         display_reg(1);
477                 } else {
478                         do_welcome();
479                 }
480         } else {
481                 display_openid_login(_("Your password was not accepted."));
482         }
483
484 }
485
486
487 /*
488  * Display a welcome screen to the user.
489  *
490  * If this is the first time login, and the web based setup is enabled, 
491  * lead the user through the setup routines
492  */
493 void do_welcome(void)
494 {
495         StrBuf *Buf;
496 #ifdef XXX_NOT_FINISHED_YET_XXX
497         FILE *fp;
498         int i;
499
500         /**
501          * See if we have to run the first-time setup wizard
502          */
503         if (WC->is_aide) {
504                 if (!setup_wizard) {
505                         int len;
506                         sprintf(wizard_filename, "setupwiz.%s.%s",
507                                 ctdlhost, ctdlport);
508                         len = strlen(wizard_filename);
509                         for (i=0; i<len; ++i) {
510                                 if (    (wizard_filename[i]==' ')
511                                         || (wizard_filename[i] == '/')
512                                 ) {
513                                         wizard_filename[i] = '_';
514                                 }
515                         }
516         
517                         fp = fopen(wizard_filename, "r");
518                         if (fp != NULL) {
519                                 fgets(buf, sizeof buf, fp);
520                                 buf[strlen(buf)-1] = 0;
521                                 fclose(fp);
522                                 if (atoi(buf) == serv_info.serv_rev_level) {
523                                         setup_wizard = 1; /**< already run */
524                                 }
525                         }
526                 }
527
528                 if (!setup_wizard) {
529                         http_redirect("setup_wizard");
530                 }
531         }
532 #endif
533
534         /*
535          * Go to the user's preferred start page
536          */
537         if (!get_preference("startpage", &Buf)) {
538                 Buf = NewStrBuf ();
539                 StrBufPrintf(Buf, "dotskip&room=_BASEROOM_");
540                 set_preference("startpage", Buf, 1);
541         }
542         if (ChrPtr(Buf)[0] == '/') {
543                 StrBufCutLeft(Buf, 1);
544         }
545         if (StrLength(Buf) == 0)
546                 StrBufAppendBufPlain(Buf, "dotgoto?room=_BASEROOM_", -1, 0);
547         http_redirect(ChrPtr(Buf));
548 }
549
550
551 /*
552  * Disconnect from the Citadel server, and end this WebCit session
553  */
554 void end_webcit_session(void) {
555         
556         if (WC->logged_in) {
557                 set_pref_long("current_iconbar", WC->current_iconbar, 0);
558         }
559
560         serv_puts("QUIT");
561         WC->killthis = 1;
562         /* close() of citadel socket will be done by do_housekeeping() */
563 }
564
565 /* 
566  * execute the logout
567  */
568 void do_logout(void)
569 {
570         char buf[SIZ];
571
572         safestrncpy(WC->wc_username, "", sizeof WC->wc_username);
573         safestrncpy(WC->wc_password, "", sizeof WC->wc_password);
574         safestrncpy(WC->wc_roomname, "", sizeof WC->wc_roomname);
575         safestrncpy(WC->wc_fullname, "", sizeof WC->wc_fullname);
576
577         /** Calling output_headers() this way causes the cookies to be un-set */
578         output_headers(1, 1, 0, 1, 0, 0);
579
580         wprintf("<div id=\"logout_screen\">");
581         wprintf("<div class=\"box\">");
582         wprintf("<div class=\"boxlabel\">");
583         wprintf(_("Log off"));
584         wprintf("</div><div class=\"boxcontent\">");    
585         serv_puts("MESG goodbye");
586         serv_getln(buf, sizeof buf);
587
588         if (WC->serv_sock >= 0) {
589                 if (buf[0] == '1') {
590                         fmout("CENTER");
591                 } else {
592                         wprintf("Goodbye\n");
593                 }
594         }
595         else {
596                 wprintf(_("This program was unable to connect or stay "
597                         "connected to the Citadel server.  Please report "
598                         "this problem to your system administrator.")
599                 );
600                 wprintf("<a href=\"http://www.citadel.org/doku.php/"
601                         "faq:mastering_your_os:net#netstat\">%s</a>", 
602                         _("Read More..."));
603         }
604
605         wprintf("<hr /><div class=\"buttons\"> "
606                 "<span class=\"button_link\"><a href=\".\">");
607         wprintf(_("Log in again"));
608         wprintf("</a></span>&nbsp;&nbsp;&nbsp;<span class=\"button_link\">"
609                 "<a href=\"javascript:window.close();\">");
610         wprintf(_("Close window"));
611         wprintf("</a></span></div></div></div></div>\n");
612         wDumpContent(2);
613         end_webcit_session();
614 }
615
616
617 /*
618  * validate new users
619  */
620 void validate(void)
621 {
622         char cmd[SIZ];
623         char user[SIZ];
624         char buf[SIZ];
625         int a;
626
627         output_headers(1, 1, 2, 0, 0, 0);
628         wprintf("<div id=\"banner\">\n");
629         wprintf("<h1>");
630         wprintf(_("Validate new users"));
631         wprintf("</h1>");
632         wprintf("</div>\n");
633
634         wprintf("<div id=\"content\" class=\"service\">\n");
635
636         /* If the user just submitted a validation, process it... */
637         safestrncpy(buf, bstr("user"), sizeof buf);
638         if (!IsEmptyStr(buf)) {
639                 if (havebstr("axlevel")) {
640                         serv_printf("VALI %s|%s", buf, bstr("axlevel"));
641                         serv_getln(buf, sizeof buf);
642                         if (buf[0] != '2') {
643                                 wprintf("<b>%s</b><br />\n", &buf[4]);
644                         }
645                 }
646         }
647
648         /* Now see if any more users require validation. */
649         serv_puts("GNUR");
650         serv_getln(buf, sizeof buf);
651         if (buf[0] == '2') {
652                 wprintf("<b>");
653                 wprintf(_("No users require validation at this time."));
654                 wprintf("</b><br />\n");
655                 wDumpContent(1);
656                 return;
657         }
658         if (buf[0] != '3') {
659                 wprintf("<b>%s</b><br />\n", &buf[4]);
660                 wDumpContent(1);
661                 return;
662         }
663
664         wprintf("<div class=\"fix_scrollbar_bug\">"
665                 "<table class=\"auth_validate\"><tr><td>\n");
666         wprintf("<center>");
667
668         safestrncpy(user, &buf[4], sizeof user);
669         serv_printf("GREG %s", user);
670         serv_getln(cmd, sizeof cmd);
671         if (cmd[0] == '1') {
672                 a = 0;
673                 do {
674                         serv_getln(buf, sizeof buf);
675                         ++a;
676                         if (a == 1)
677                                 wprintf("#%s<br /><H1>%s</H1>",
678                                         buf, &cmd[4]);
679                         if (a == 2) {
680                                 char *pch;
681                                 int haveChar = 0;
682                                 int haveNum = 0;
683                                 int haveOther = 0;
684                                 int count = 0;
685                                 pch = buf;
686                                 while (!IsEmptyStr(pch))
687                                 {
688                                         if (isdigit(*pch))
689                                                 haveNum = 1;
690                                         else if (isalpha(*pch))
691                                                 haveChar = 1;
692                                         else
693                                                 haveOther = 1;
694                                         pch ++;
695                                 }
696                                 count = pch - buf;
697                                 if (count > 7)
698                                         count = 0;
699                                 switch (count){
700                                 case 0:
701                                         pch = _("very weak");
702                                         break;
703                                 case 1:
704                                         pch = _("weak");
705                                         break;
706                                 case 2:
707                                         pch = _("ok");
708                                         break;
709                                 case 3:
710                                 default:
711                                         pch = _("strong");
712                                 }
713
714                                 wprintf("PW: %s<br />\n", pch);
715                         }
716                         if (a == 3)
717                                 wprintf("%s<br />\n", buf);
718                         if (a == 4)
719                                 wprintf("%s<br />\n", buf);
720                         if (a == 5)
721                                 wprintf("%s, ", buf);
722                         if (a == 6)
723                                 wprintf("%s ", buf);
724                         if (a == 7)
725                                 wprintf("%s<br />\n", buf);
726                         if (a == 8)
727                                 wprintf("%s<br />\n", buf);
728                         if (a == 9)
729                                 wprintf(_("Current access level: %d (%s)\n"),
730                                         atoi(buf), axdefs[atoi(buf)]);
731                 } while (strcmp(buf, "000"));
732         } else {
733                 wprintf("<H1>%s</H1>%s<br />\n", user, &cmd[4]);
734         }
735
736         wprintf("<hr />");
737         wprintf(_("Select access level for this user:"));
738         wprintf("<br />\n");
739         for (a = 0; a <= 6; ++a) {
740                 wprintf("<a href=\"validate?nonce=%d?user=", WC->nonce);
741                 urlescputs(user);
742                 wprintf("&axlevel=%d\">%s</A>&nbsp;&nbsp;&nbsp;\n",
743                         a, axdefs[a]);
744         }
745         wprintf("<br />\n");
746
747         wprintf("</CENTER>\n");
748         wprintf("</td></tr></table></div>\n");
749         wDumpContent(1);
750 }
751
752
753
754 /*
755  * Display form for registration.
756  *
757  * (Set during_login to 1 if this registration is being performed during
758  * new user login and will require chaining to the proper screen.)
759  */
760 void display_reg(int during_login)
761 {
762         long vcard_msgnum;
763
764         if (goto_config_room() != 0) {
765                 if (during_login) do_welcome();
766                 else display_main_menu();
767                 return;
768         }
769
770         vcard_msgnum = locate_user_vcard(WC->wc_fullname, -1);
771         if (vcard_msgnum < 0L) {
772                 if (during_login) do_welcome();
773                 else display_main_menu();
774                 return;
775         }
776
777         if (during_login) {
778                 do_edit_vcard(vcard_msgnum, "1", "do_welcome", USERCONFIGROOM);
779         }
780         else {
781                 do_edit_vcard(vcard_msgnum, "1", "display_main_menu", USERCONFIGROOM);
782         }
783
784 }
785
786
787
788
789 /*
790  * display form for changing your password
791  */
792 void display_changepw(void)
793 {
794         char buf[SIZ];
795
796         output_headers(1, 1, 1, 0, 0, 0);
797
798         svput("BOXTITLE", WCS_STRING, _("Change your password"));
799         do_template("beginbox", NULL);
800
801         if (!IsEmptyStr(WC->ImportantMessage)) {
802                 wprintf("<span class=\"errormsg\">"
803                         "%s</span><br />\n", WC->ImportantMessage);
804                 safestrncpy(WC->ImportantMessage, "", sizeof WC->ImportantMessage);
805         }
806
807         serv_puts("MESG changepw");
808         serv_getln(buf, sizeof buf);
809         if (buf[0] == '1') {
810                 fmout("CENTER");
811         }
812
813         wprintf("<form name=\"changepwform\" action=\"changepw\" method=\"post\">\n");
814         wprintf("<input type=\"hidden\" name=\"nonce\" value=\"%d\">\n", WC->nonce);
815         wprintf("<table class=\"altern\" ");
816         wprintf("<tr class=\"even\"><td>");
817         wprintf(_("Enter new password:"));
818         wprintf("</td><td>");
819         wprintf("<input type=\"password\" name=\"newpass1\" value=\"\" maxlength=\"20\"></td></tr>\n");
820         wprintf("<tr class=\"odd\"><td>");
821         wprintf(_("Enter it again to confirm:"));
822         wprintf("</td><td>");
823         wprintf("<input type=\"password\" name=\"newpass2\" value=\"\" maxlength=\"20\"></td></tr>\n");
824         wprintf("</table>\n");
825
826         wprintf("<div class=\"buttons\">\n");
827         wprintf("<input type=\"submit\" name=\"change_action\" value=\"%s\">", _("Change password"));
828         wprintf("&nbsp;");
829         wprintf("<input type=\"submit\" name=\"cancel_action\" value=\"%s\">\n", _("Cancel"));
830         wprintf("</div>\n");
831         wprintf("</form>\n");
832
833         do_template("endbox", NULL);
834         wDumpContent(1);
835 }
836
837 /*
838  * change password
839  * if passwords match, propagate it to citserver.
840  */
841 void changepw(void)
842 {
843         char buf[SIZ];
844         char newpass1[32], newpass2[32];
845
846         if (!havebstr("change_action")) {
847                 safestrncpy(WC->ImportantMessage, 
848                         _("Cancelled.  Password was not changed."),
849                         sizeof WC->ImportantMessage);
850                 display_main_menu();
851                 return;
852         }
853
854         safestrncpy(newpass1, bstr("newpass1"), sizeof newpass1);
855         safestrncpy(newpass2, bstr("newpass2"), sizeof newpass2);
856
857         if (strcasecmp(newpass1, newpass2)) {
858                 safestrncpy(WC->ImportantMessage, 
859                         _("They don't match.  Password was not changed."),
860                         sizeof WC->ImportantMessage);
861                 display_changepw();
862                 return;
863         }
864
865         if (IsEmptyStr(newpass1)) {
866                 safestrncpy(WC->ImportantMessage, 
867                         _("Blank passwords are not allowed."),
868                         sizeof WC->ImportantMessage);
869                 display_changepw();
870                 return;
871         }
872
873         serv_printf("SETP %s", newpass1);
874         serv_getln(buf, sizeof buf);
875         sprintf(WC->ImportantMessage, "%s", &buf[4]);
876         if (buf[0] == '2') {
877                 safestrncpy(WC->wc_password, buf, sizeof WC->wc_password);
878                 display_main_menu();
879         }
880         else {
881                 display_changepw();
882         }
883 }
884
885 int ConditionalAide(WCTemplateToken *Token, void *Context)
886 {
887         return (WC->is_aide == 0);
888 }
889
890 int ConditionalRoomAide(WCTemplateToken *Token, void *Context)
891 {
892         return (WC->is_room_aide == 0);
893 }
894
895
896
897 void _display_openid_login(void) {display_openid_login(NULL);}
898 void _display_reg(void) {display_reg(0);}
899
900
901 void 
902 InitModule_AUTH
903 (void)
904 {
905         WebcitAddUrlHandler(HKEY("do_welcome"), do_welcome, ANONYMOUS);
906         WebcitAddUrlHandler(HKEY("login"), do_login, ANONYMOUS);
907         WebcitAddUrlHandler(HKEY("display_openid_login"), _display_openid_login, ANONYMOUS);
908         WebcitAddUrlHandler(HKEY("openid_login"), do_openid_login, ANONYMOUS);
909         WebcitAddUrlHandler(HKEY("finalize_openid_login"), finalize_openid_login, ANONYMOUS);
910         WebcitAddUrlHandler(HKEY("openid_manual_create"), openid_manual_create, ANONYMOUS);
911         WebcitAddUrlHandler(HKEY("do_logout"), do_logout, 0);
912         WebcitAddUrlHandler(HKEY("validate"), validate, 0);
913         WebcitAddUrlHandler(HKEY("display_reg"), _display_reg, 0);
914         WebcitAddUrlHandler(HKEY("display_changepw"), display_changepw, 0);
915         WebcitAddUrlHandler(HKEY("changepw"), changepw, 0);
916         WebcitAddUrlHandler(HKEY("termquit"), do_logout, 0);
917
918         RegisterConditional(HKEY("COND:AIDE"), 2, ConditionalAide);
919         RegisterConditional(HKEY("COND:ROOMAIDE"), 2, ConditionalRoomAide);
920
921         return ;
922 }