* All OS-level includes are now included from webcit.h instead of from
[citadel.git] / webcit / auth.c
index f48a44d414f2267d17843aa666c2efe5e3d2199e..adca87133440688c09d6b1765974b2db17b3204f 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.
  *
  */
 
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <ctype.h>
-#include <string.h>
-#include <errno.h>
+
 #include "webcit.h"
 
+char *axdefs[] =
+{
+       "Deleted",
+       "New User",
+       "Problem User",
+       "Local User",
+       "Network User",
+       "Preferred User",
+       "Aide"
+};
 
 /*
- * This function needs to get called whenever a PASS or NEWU succeeds
+ * Display the login screen
  */
-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;
+void display_login(char *mesg)
+{
+       char buf[SIZ];
+
+       output_headers(1, 1, 2, 0, 0, 0, 0);
+       wprintf("<div style=\"position:absolute; top:20px; left:20px; right:20px\">\n");
+
+       if (mesg != NULL) if (strlen(mesg) > 0) {
+               stresc(buf, mesg, 0, 0);
+               svprintf("mesg", WCS_STRING, "%s", buf);
        }
 
+       svprintf("hello", WCS_SERVCMD, "MESG hello");
+       svprintf("BOXTITLE", WCS_STRING, "%s - powered by Citadel",
+               serv_info.serv_humannode);
+
+       do_template("login");
+
+       wDumpContent(2);
+}
+
+
+
+
+/*
+ * 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)
+{
+       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;
+       }
 
-void do_login() {
-       char buf[256];
-       char actual_username[256];
+       load_preferences();
 
+       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);
+       }
+}
+
+
+void do_login(void)
+{
+       char buf[SIZ];
+
+       if (!strcasecmp(bstr("action"), "Exit")) {
+               do_logout();
+               return;
+       }
        if (!strcasecmp(bstr("action"), "Login")) {
                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);
+                                                bstr("pass"), buf);
+                       } else {
+                               display_login(&buf[4]);
+                               return;
+                       }
+               } else {
+                       display_login(&buf[4]);
+                       return;
+               }
+       }
+       if (!strcasecmp(bstr("action"), "New User")) {
+               if (strlen(bstr("pass")) == 0) {
+                       display_login("Blank passwords are not allowed.");
+                       return;
+               }
+               serv_printf("NEWU %s", bstr("name"));
+               serv_getln(buf, sizeof buf);
+               if (buf[0] == '2') {
+                       become_logged_in(bstr("name"), bstr("pass"), buf);
+                       serv_printf("SETP %s", bstr("pass"));
+                       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, 0);
+
+       wprintf("<center>");
+       serv_puts("MESG goodbye");
+       serv_getln(buf, sizeof buf);
+
+       if (WC->serv_sock >= 0) {
+               if (buf[0] == '1') {
+                       fmout(NULL, "CENTER");
+               } else {
+                       wprintf("Goodbye\n");
                }
+       }
        else {
-               printf("HTTP/1.0 200 OK\n");
-               output_headers();
-               wprintf("<HTML><HEAD><TITLE>Nope</TITLE></HEAD><BODY>\n");
-               wprintf("Your password was not accepted.\n");
-               wprintf("<HR><A HREF=\"/\">Try again</A>\n");
-               wprintf("</BODY></HTML>\n");
-               wDumpContent();
+               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();\">Close window</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, 0);
+       wprintf("<div id=\"banner\">\n"
+               "<TABLE WIDTH=100%% BORDER=0 BGCOLOR=\"#444455\"><TR><TD>"
+               "<SPAN CLASS=\"titlebar\">Validate new users</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]);
+       }
+
+       wprintf("<hr />Select access level for this user:<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("</CENTER>\n");
+       wprintf("</td></tr></table></div>\n");
+       wDumpContent(1);
+}
+
+
+
+/* 
+ * 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;
+       }
+
+       if (during_login) {
+               do_edit_vcard(vcard_msgnum, "1", "/do_welcome");
+       }
+       else {
+               do_edit_vcard(vcard_msgnum, "1", "/display_main_menu");
+       }
 
+}
+
+
+
+
+/* 
+ * display form for changing your password
+ */
+void display_changepw(void)
+{
+       char buf[SIZ];
+
+       output_headers(1, 1, 2, 0, 0, 0, 0);
+       wprintf("<div id=\"banner\">\n"
+               "<TABLE WIDTH=100%% BORDER=0 BGCOLOR=\"#444455\"><TR><TD>"
+               "<SPAN CLASS=\"titlebar\">Change your password</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("<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(NULL, "CENTER");
+       }
+
+       wprintf("<form name=\"changepwform\" action=\"changepw\" method=\"post\">\n");
+       wprintf("<CENTER>"
+               "<table border=\"0\" cellspacing=\"5\" cellpadding=\"5\" "
+               "BGCOLOR=\"#EEEEEE\">"
+               "<TR><TD>Enter new password:</TD>\n");
+       wprintf("<TD><INPUT TYPE=\"password\" NAME=\"newpass1\" VALUE=\"\" MAXLENGTH=\"20\"></TD></TR>\n");
+       wprintf("<TR><TD>Enter it again to confirm:</TD>\n");
+       wprintf("<TD><INPUT TYPE=\"password\" NAME=\"newpass2\" VALUE=\"\" MAXLENGTH=\"20\"></TD></TR>\n");
+
+       wprintf("</TABLE><br />\n");
+       wprintf("<INPUT type=\"submit\" name=\"action\" value=\"Change\">"
+               "&nbsp;"
+               "<INPUT type=\"submit\" name=\"action\" value=\"Cancel\">\n");
+       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 (strcmp(bstr("action"), "Change")) {
+               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;
        }
 
-void do_welcome() {
-       printf("HTTP/1.0 200 OK\n");
-       output_headers();
-       wprintf("<HTML><BODY>\n");
-       wprintf("<CENTER><H1>");
-       escputs(wc_username);
-       wprintf("</H1>\n");
-       /* other stuff here */
-       wprintf("</BODY></HTML>\n");
-       wDumpContent();
+       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();
        }
+}