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