lower case tags
[citadel.git] / webcit / auth.c
index 800337331973d5ee3399f139966d823b38bce291..92b0e813e166d13d8f015fca2ae87b7360b2c15c 100644 (file)
 /*
- * auth.c
+ * $Id$
  *
- * This file contains code which relates to authentication of users to Citadel.
+ * Handles authentication of users to a Citadel server.
  *
- * $Id$
  */
 
-#include <stdlib.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#include <stdio.h>
-#include <ctype.h>
-#include <string.h>
-#include <errno.h>
 #include "webcit.h"
-#include "child.h"
-
 
+char *axdefs[] =
+{
+       "Deleted",
+       "New User",
+       "Problem User",
+       "Local User",
+       "Network User",
+       "Preferred User",
+       "Aide"
+};
 
 /*
  * Display the login screen
  */
-void display_login(char *mesg) {
-       char buf[256];
+void display_login(char *mesg)
+{
+       char buf[SIZ];
 
-       printf("HTTP/1.0 200 OK\n");
-       output_headers();
+       output_headers(1, 1, 2, 0, 0, 0);
+       wprintf("<div style=\"position:absolute; top:20px; left:20px; right:20px\">\n");
 
-       wprintf("<HTML><BODY>\n");
-       wprintf("<CENTER><TABLE border=0 width=100%><TR><TD>\n");
+       if (mesg != NULL) if (strlen(mesg) > 0) {
+               stresc(buf, mesg, 0, 0);
+               svprintf("mesg", WCS_STRING, "%s", buf);
+       }
 
-       /* FIX replace with the correct image */
-       wprintf("<IMG SRC=\"/static/velma.gif\">");
-       wprintf("</TD><TD><CENTER>\n");
+       svprintf("LOGIN_INSTRUCTIONS", WCS_STRING,
+               _("<ul>"
+               "<li><b>If you already have an account on %s</b>, "
+               "enter your user name and password and click &quot;Login.&quot; "
+               "<li><b>If you are a new user</b>, enter the name and password "
+               "you wish to use, "
+               "and click &quot;New User.&quot; "
+               "<li>Please log off properly when finished. "
+               "<li>You must use a browser that supports <i>frames</i> and "
+               "<i>cookies</i>. "
+               "<li>Also keep in mind that if your browser is "
+               "configured to block pop-up windows, you will not be able "
+               "to receive any instant messages.<br />"
+               "</ul>"),
+               serv_info.serv_humannode
+       );
 
-       if (mesg != NULL) {
-               wprintf("<font size=+1><b>%s</b></font>", mesg);
-               }
-       else {
-               serv_puts("MESG hello");
-               serv_gets(buf);
-               if (buf[0]=='1') fmout(NULL);
-               }
+       svprintf("LOGIN_BUTTON", WCS_STRING, "%s", _("Login"));
+       svprintf("NEWUSER_BUTTON", WCS_STRING, "%s", _("New User"));
+       svprintf("EXIT_BUTTON", WCS_STRING, "%s", _("Exit"));
+       svprintf("hello", WCS_SERVCMD, "MESG hello");
+       svprintf("BOXTITLE", WCS_STRING, _("%s - powered by Citadel"),
+               serv_info.serv_humannode);
 
-       wprintf("</CENTER></TD></TR></TABLE></CENTER>\n");
+       do_template("login");
 
-       wprintf("<HR>\n");
-       /* FIX add instructions here */
-       wprintf("<CENTER><FORM ACTION=\"/login\" METHOD=\"POST\">\n");
-       wprintf("<TABLE border><TR>\n");
-       wprintf("<TD>User Name:</TD>\n");
-       wprintf("<TD><INPUT TYPE=\"text\" NAME=\"name\" MAXLENGTH=\"25\">\n");
-       wprintf("</TD></TR><TR>\n");
-       wprintf("<TD>Password:</TD>\n");
-       wprintf("<TD><INPUT TYPE=\"password\" NAME=\"pass\" MAXLENGTH=\"20\"></TD>\n");
-       wprintf("</TR></TABLE>\n");
-       wprintf("<INPUT type=\"submit\" NAME=\"action\" VALUE=\"Login\">\n");
-        wprintf("<INPUT type=\"submit\" NAME=\"action\" VALUE=\"New User\">\n");
-        wprintf("<INPUT type=\"submit\" NAME=\"action\" VALUE=\"Exit\">\n");
-        wprintf("</FORM></CENTER>\n");
-       wprintf("</BODY></HTML>\n");
-       wDumpContent();
-       }
+       wDumpContent(2);
+}
 
 
 
 
 /*
- * This function needs to get called whenever a PASS or NEWU succeeds
+ * This function needs to get called whenever the session changes from
+ * not-logged-in to logged-in, either by an explicit login by the user or
+ * by a timed-out session automatically re-establishing with a little help
+ * from the browser cookie.  Either way, we need to load access controls and
+ * preferences from the server.
  */
-void become_logged_in(char *user, char *pass, char *serv_response) {
-       logged_in = 1;
-       extract(wc_username, &serv_response[4], 0);
-       strcpy(wc_password, pass);
-       axlevel = extract_int(&serv_response[4], 1);
-       if (axlevel >=6) is_aide = 1;
-       fprintf(stderr, "become_logged_in(%s,%s)\n", user, pass);
+void become_logged_in(char *user, char *pass, char *serv_response)
+{
+       char buf[SIZ];
+
+       WC->logged_in = 1;
+       extract_token(WC->wc_username, &serv_response[4], 0, '|', sizeof WC->wc_username);
+       safestrncpy(WC->wc_password, pass, sizeof WC->wc_password);
+       WC->axlevel = extract_int(&serv_response[4], 1);
+       if (WC->axlevel >= 6) {
+               WC->is_aide = 1;
        }
 
+       load_preferences();
 
-void do_login(void) {
-       char buf[256];
+       serv_puts("CHEK");
+       serv_getln(buf, sizeof buf);
+       if (buf[0] == '2') {
+               WC->new_mail = extract_int(&buf[4], 0);
+               WC->need_regi = extract_int(&buf[4], 1);
+               WC->need_vali = extract_int(&buf[4], 2);
+               extract_token(WC->cs_inet_email, &buf[4], 3, '|', sizeof WC->cs_inet_email);
+       }
+}
 
-       if (!strcasecmp(bstr("action"), "Exit")) {
-               do_logout();
-               }
 
-       if (!strcasecmp(bstr("action"), "Login")) {
+void do_login(void)
+{
+       char buf[SIZ];
+
+       if (strlen(bstr("exit_action")) > 0) {
+               do_logout();
+               return;
+       }
+       if (strlen(bstr("login_action")) > 0) {
                serv_printf("USER %s", bstr("name"));
-               serv_gets(buf);
-               if (buf[0]=='3') {
+               serv_getln(buf, sizeof buf);
+               if (buf[0] == '3') {
                        serv_printf("PASS %s", bstr("pass"));
-                       serv_gets(buf);
-                       if (buf[0]=='2') {
+                       serv_getln(buf, sizeof buf);
+                       if (buf[0] == '2') {
                                become_logged_in(bstr("name"),
-                                       bstr("pass"), buf);
-                               }
-                       else {
+                                                bstr("pass"), buf);
+                       } else {
                                display_login(&buf[4]);
                                return;
-                               }
                        }
-               else {
+               else {
                        display_login(&buf[4]);
                        return;
-                       }
                }
-
-       if (!strcasecmp(bstr("action"), "New User")) {
+       }
+       if (strlen(bstr("newuser_action")) > 0) {
+               if (strlen(bstr("pass")) == 0) {
+                       display_login(_("Blank passwords are not allowed."));
+                       return;
+               }
                serv_printf("NEWU %s", bstr("name"));
-               serv_gets(buf);
-               if (buf[0]=='2') {
+               serv_getln(buf, sizeof buf);
+               if (buf[0] == '2') {
                        become_logged_in(bstr("name"), bstr("pass"), buf);
                        serv_printf("SETP %s", bstr("pass"));
-                       serv_gets(buf);
-                       }
-               else {
+                       serv_getln(buf, sizeof buf);
+               } else {
                        display_login(&buf[4]);
                        return;
+               }
+       }
+       if (WC->logged_in) {
+               if (WC->need_regi) {
+                       display_reg(1);
+               } else {
+                       do_welcome();
+               }
+       } else {
+               display_login(_("Your password was not accepted."));
+       }
+
+}
+
+void do_welcome(void)
+{
+       char buf[SIZ];
+#ifdef XXX_NOT_FINISHED_YET_XXX
+       FILE *fp;
+       int i;
+
+       /*
+        * See if we have to run the first-time setup wizard
+        */
+       if (WC->is_aide) {
+               if (!setup_wizard) {
+                       sprintf(wizard_filename, "setupwiz.%s.%s",
+                               ctdlhost, ctdlport);
+                       for (i=0; i<strlen(wizard_filename); ++i) {
+                               if (    (wizard_filename[i]==' ')
+                                       || (wizard_filename[i] == '/')
+                               ) {
+                                       wizard_filename[i] = '_';
+                               }
+                       }
+       
+                       fp = fopen(wizard_filename, "r");
+                       if (fp != NULL) {
+                               fgets(buf, sizeof buf, fp);
+                               buf[strlen(buf)-1] = 0;
+                               fclose(fp);
+                               if (atoi(buf) == serv_info.serv_rev_level) {
+                                       setup_wizard = 1; /* already run */
+                               }
                        }
                }
 
-       if (logged_in) {
-               output_static("frameset.html");
+               if (!setup_wizard) {
+                       http_redirect("/setup_wizard");
                }
+       }
+#endif
+
+       /*
+        * Go to the user's preferred start page
+        */
+       get_preference("startpage", buf, sizeof buf);
+       if (strlen(buf)==0) {
+               safestrncpy(buf, "/dotskip&room=_BASEROOM_", sizeof buf);
+               set_preference("startpage", buf, 1);
+       }
+       http_redirect(buf);
+}
+
+
+/*
+ * Disconnect from the Citadel server, and end this WebCit session
+ */
+void end_webcit_session(void) {
+       serv_puts("QUIT");
+       WC->killthis = 1;
+       /* close() of citadel socket will be done by do_housekeeping() */
+}
+
+
+void do_logout(void)
+{
+       char buf[SIZ];
+
+       safestrncpy(WC->wc_username, "", sizeof WC->wc_username);
+       safestrncpy(WC->wc_password, "", sizeof WC->wc_password);
+       safestrncpy(WC->wc_roomname, "", sizeof WC->wc_roomname);
+
+       /* Calling output_headers() this way causes the cookies to be un-set */
+       output_headers(1, 1, 0, 1, 0, 0);
+
+       wprintf("<center>");
+       serv_puts("MESG goodbye");
+       serv_getln(buf, sizeof buf);
+
+       if (WC->serv_sock >= 0) {
+               if (buf[0] == '1') {
+                       fmout("CENTER");
+               } else {
+                       wprintf("Goodbye\n");
+               }
+       }
        else {
-               display_login("Your password was not accepted.");
+               wprintf(_("This program was unable to connect or stay "
+                       "connected to the Citadel server.  Please report "
+                       "this problem to your system administrator.")
+               );
+       }
+
+       wprintf("<hr /><a href=\"/\">Log in again</A>&nbsp;&nbsp;&nbsp;"
+               "<a href=\"javascript:window.close();\">");
+       wprintf(_("Close window"));
+       wprintf("</a></center>\n");
+       wDumpContent(2);
+       end_webcit_session();
+}
+
+
+/* 
+ * validate new users
+ */
+void validate(void)
+{
+       char cmd[SIZ];
+       char user[SIZ];
+       char buf[SIZ];
+       int a;
+
+       output_headers(1, 1, 2, 0, 0, 0);
+       wprintf("<div id=\"banner\">\n"
+               "<TABLE WIDTH=100%% BORDER=0 BGCOLOR=\"#444455\"><TR><TD>"
+               "<SPAN CLASS=\"titlebar\">");
+       wprintf(_("Validate new users"));
+       wprintf("</SPAN></TD></TR></TABLE>\n</div>\n<div id=\"content\">\n");
+
+       safestrncpy(buf, bstr("user"), sizeof buf);
+       if (strlen(buf) > 0)
+               if (strlen(bstr("axlevel")) > 0) {
+                       serv_printf("VALI %s|%s", buf, bstr("axlevel"));
+                       serv_getln(buf, sizeof buf);
+                       if (buf[0] != '2') {
+                               wprintf("<b>%s</b><br />\n", &buf[4]);
+                       }
                }
+       serv_puts("GNUR");
+       serv_getln(buf, sizeof buf);
+
+       if (buf[0] != '3') {
+               wprintf("<b>%s</b><br />\n", &buf[4]);
+               wDumpContent(1);
+               return;
+       }
 
+       wprintf("<div id=\"fix_scrollbar_bug\">"
+               "<table border=0 width=100%% bgcolor=\"#ffffff\"><tr><td>\n");
+       wprintf("<center>");
+
+       safestrncpy(user, &buf[4], sizeof user);
+       serv_printf("GREG %s", user);
+       serv_getln(cmd, sizeof cmd);
+       if (cmd[0] == '1') {
+               a = 0;
+               do {
+                       serv_getln(buf, sizeof buf);
+                       ++a;
+                       if (a == 1)
+                               wprintf("User #%s<br /><H1>%s</H1>",
+                                       buf, &cmd[4]);
+                       if (a == 2)
+                               wprintf("PW: %s<br />\n", buf);
+                       if (a == 3)
+                               wprintf("%s<br />\n", buf);
+                       if (a == 4)
+                               wprintf("%s<br />\n", buf);
+                       if (a == 5)
+                               wprintf("%s, ", buf);
+                       if (a == 6)
+                               wprintf("%s ", buf);
+                       if (a == 7)
+                               wprintf("%s<br />\n", buf);
+                       if (a == 8)
+                               wprintf("%s<br />\n", buf);
+                       if (a == 9)
+                               wprintf(_("Current access level: %d (%s)\n"),
+                                       atoi(buf), axdefs[atoi(buf)]);
+               } while (strcmp(buf, "000"));
+       } else {
+               wprintf("<H1>%s</H1>%s<br />\n", user, &cmd[4]);
        }
 
-void do_welcome(void) {
-       printf("HTTP/1.0 200 OK\n");
-       output_headers();
-       wprintf("<HTML><BODY>\n");
-       wprintf("<CENTER><H1>");
-       escputs(wc_username);
-       wprintf("</H1>\n");
-       /* FIX add user stats here */
+       wprintf("<hr />");
+       wprintf(_("Select access level for this user:"));
+       wprintf("<br />\n");
+       for (a = 0; a <= 6; ++a) {
+               wprintf("<a href=\"/validate&user=");
+               urlescputs(user);
+               wprintf("&axlevel=%d\">%s</A>&nbsp;&nbsp;&nbsp;\n",
+                       a, axdefs[a]);
+       }
+       wprintf("<br />\n");
 
-       wprintf("<HR>");
-       /* FIX  ---  what should we put here?  the main menu,
-        * or new messages in the lobby?
-        */
-       embed_main_menu();
+       wprintf("</CENTER>\n");
+       wprintf("</td></tr></table></div>\n");
+       wDumpContent(1);
+}
 
-       wprintf("</BODY></HTML>\n");
-       wDumpContent();
+
+
+/* 
+ * Display form for registration.
+ * (Set during_login to 1 if this registration is being performed during
+ * new user login and will require chaining to the proper screen.)
+ */
+void display_reg(int during_login)
+{
+       long vcard_msgnum;
+
+       if (goto_config_room() != 0) {
+               if (during_login) do_welcome();
+               else display_main_menu();
+               return;
        }
 
+       vcard_msgnum = locate_user_vcard(WC->wc_username, -1);
+       if (vcard_msgnum < 0L) {
+               if (during_login) do_welcome();
+               else display_main_menu();
+               return;
+       }
 
-void do_logout(void) {
-       char buf[256];
+       if (during_login) {
+               do_edit_vcard(vcard_msgnum, "1", "/do_welcome");
+       }
+       else {
+               do_edit_vcard(vcard_msgnum, "1", "/display_main_menu");
+       }
 
-       strcpy(wc_username, "");
-       strcpy(wc_password, "");
-       strcpy(wc_roomname, "");
-       strcpy(wc_host, "");
-       strcpy(wc_port, "");
+}
 
-       printf("HTTP/1.0 200 OK\n");
-       output_headers();
-       printf("X-WebCit-Session: close\n");
-       
-       wprintf("<HTML><HEAD><TITLE>Goodbye</TITLE></HEAD><BODY><CENTER>\n");
 
-       serv_puts("MESG goodbye");
-       serv_gets(buf);
 
-       if (buf[0]=='1') fmout(NULL);
-       else wprintf("Goodbye\n");
 
-       wprintf("<HR><A HREF=\"/\">Log in again</A>\n");
+/* 
+ * display form for changing your password
+ */
+void display_changepw(void)
+{
+       char buf[SIZ];
+
+       output_headers(1, 1, 2, 0, 0, 0);
+       wprintf("<div id=\"banner\">\n"
+               "<TABLE WIDTH=100%% BORDER=0 BGCOLOR=\"#444455\"><TR><TD>"
+               "<SPAN CLASS=\"titlebar\">");
+       wprintf(_("Change your password"));
+       wprintf("</SPAN>"
+               "</TD></TR></TABLE>\n"
+               "</div>\n<div id=\"content\">\n"
+       );
+
+       if (strlen(WC->ImportantMessage) > 0) {
+               do_template("beginbox_nt");
+               wprintf("<SPAN CLASS=\"errormsg\">"
+                       "%s</SPAN><br />\n", WC->ImportantMessage);
+               do_template("endbox");
+               safestrncpy(WC->ImportantMessage, "", sizeof WC->ImportantMessage);
+       }
 
-       wprintf("</CENTER></BODY></HTML>\n");
-       wDumpContent();
-       serv_puts("QUIT");
-       exit(0);
+       wprintf("<div id=\"fix_scrollbar_bug\">"
+               "<table border=0 width=100%% bgcolor=\"#ffffff\"><tr><td>\n");
+
+       wprintf("<CENTER><br />");
+       serv_puts("MESG changepw");
+       serv_getln(buf, sizeof buf);
+       if (buf[0] == '1') {
+               fmout("CENTER");
+       }
+
+       wprintf("<form name=\"changepwform\" action=\"changepw\" method=\"post\">\n");
+       wprintf("<CENTER>"
+               "<table border=\"0\" cellspacing=\"5\" cellpadding=\"5\" "
+               "BGCOLOR=\"#EEEEEE\">"
+               "<TR><TD>");
+       wprintf(_("Enter new password:"));
+       wprintf("</TD>\n");
+       wprintf("<TD><INPUT TYPE=\"password\" NAME=\"newpass1\" VALUE=\"\" MAXLENGTH=\"20\"></TD></TR>\n");
+       wprintf("<TR><TD>");
+       wprintf(_("Enter it again to confirm:"));
+       wprintf("</TD>\n");
+       wprintf("<TD><INPUT TYPE=\"password\" NAME=\"newpass2\" VALUE=\"\" MAXLENGTH=\"20\"></TD></TR>\n");
+
+       wprintf("</TABLE><br />\n");
+       wprintf("<INPUT type=\"submit\" name=\"change_action\" value=\"%s\">", _("Change password"));
+       wprintf("&nbsp;");
+       wprintf("<INPUT type=\"submit\" name=\"cancel_action\" value=\"%s\">\n", _("Cancel"));
+       wprintf("</form></center>\n");
+       wprintf("</td></tr></table></div>\n");
+       wDumpContent(1);
+}
+
+/*
+ * change password
+ */
+void changepw(void)
+{
+       char buf[SIZ];
+       char newpass1[32], newpass2[32];
+
+       if (strlen(bstr("change_action")) == 0) {
+               safestrncpy(WC->ImportantMessage, 
+                       _("Cancelled.  Password was not changed."),
+                       sizeof WC->ImportantMessage);
+               display_main_menu();
+               return;
+       }
+
+       safestrncpy(newpass1, bstr("newpass1"), sizeof newpass1);
+       safestrncpy(newpass2, bstr("newpass2"), sizeof newpass2);
+
+       if (strcasecmp(newpass1, newpass2)) {
+               safestrncpy(WC->ImportantMessage, 
+                       _("They don't match.  Password was not changed."),
+                       sizeof WC->ImportantMessage);
+               display_changepw();
+               return;
+       }
+
+       if (strlen(newpass1) == 0) {
+               safestrncpy(WC->ImportantMessage, 
+                       _("Blank passwords are not allowed."),
+                       sizeof WC->ImportantMessage);
+               display_changepw();
+               return;
+       }
+
+       serv_printf("SETP %s", newpass1);
+       serv_getln(buf, sizeof buf);
+       sprintf(WC->ImportantMessage, "%s", &buf[4]);
+       if (buf[0] == '2') {
+               safestrncpy(WC->wc_password, buf, sizeof WC->wc_password);
+               display_main_menu();
+       }
+       else {
+               display_changepw();
        }
+}