/*
- * 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 <ctype.h>
#include <stdlib.h>
-#ifdef HAVE_UNISTD_H
#include <unistd.h>
-#endif
#include <stdio.h>
-#include <ctype.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <sys/socket.h>
+#include <sys/time.h>
+#include <limits.h>
+#include <netinet/in.h>
+#include <netdb.h>
#include <string.h>
+#include <pwd.h>
#include <errno.h>
+#include <stdarg.h>
+#include <pthread.h>
+#include <signal.h>
#include "webcit.h"
-#include "child.h"
-char *axdefs[] = {
+char *axdefs[] =
+{
"Deleted",
"New User",
"Problem User",
"Network User",
"Preferred User",
"Aide"
- };
+};
/*
* Display the login screen
*/
-void display_login(char *mesg) {
- char buf[256];
-
- printf("HTTP/1.0 200 OK\n");
- output_headers(1, "_top");
+void display_login(char *mesg)
+{
+ char buf[SIZ];
- /* Da banner */
- wprintf("<CENTER><TABLE border=0 width=100%><TR><TD>\n");
- wprintf("<IMG SRC=\"/image&name=hello\">");
- wprintf("</TD><TD><CENTER>\n");
+ output_headers(1, 1, 2, 0, 0, 0, 0);
+ //wprintf("<div id=\"content\">\n");
+ wprintf("<div style=\"position:absolute; top:20px; left:20px; right:20px\">\n");
- 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);
- }
+ if (mesg != NULL) if (strlen(mesg) > 0) {
+ stresc(buf, mesg, 0, 0);
+ svprintf("mesg", WCS_STRING, "%s", buf);
+ }
- wprintf("</CENTER></TD></TR></TABLE></CENTER>\n");
- wprintf("<HR>\n");
-
- /* Da login box */
- 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("<BR><INPUT TYPE=\"checkbox\" NAME=\"noframes\">");
- wprintf("<FONT SIZE=-1> Check here to disable frames</FONT>\n");
- wprintf("</FORM></CENTER>\n");
-
- /* Da instructions */
- wprintf("<LI><EM>If you already have an account on %s,",
+ svprintf("hello", WCS_SERVCMD, "MESG hello");
+ svprintf("BOXTITLE", WCS_STRING, "%s - powered by Citadel",
serv_info.serv_humannode);
- wprintf("</EM> enter your user name\n");
- wprintf("and password and click \"<TT>Login</TT>.\"<BR>\n");
- wprintf("<LI><EM>If you are a new user,</EM>\n");
- wprintf("enter the name and password you wish to use, and click\n");
- wprintf("\"New User.\"<BR><LI>");
- wprintf("<EM>Please log off properly when finished.</EM>");
- wprintf("<LI>You must use a browser that supports <i>cookies</i>.<BR>\n");
- wprintf("<LI>Your browser is: ");
- escputs(browser);
- wprintf("</EM></UL>\n");
- wDumpContent(1);
- }
+ do_template("login");
+
+ 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;
+void become_logged_in(char *user, char *pass, char *serv_response)
+{
+ char buf[SIZ];
+
+ WC->logged_in = 1;
+ extract(WC->wc_username, &serv_response[4], 0);
+ strcpy(WC->wc_password, pass);
+ 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];
- int need_regi = 0;
+ serv_puts("CHEK");
+ serv_gets(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(WC->cs_inet_email, &buf[4], 3);
+ }
+}
- if (!strcasecmp(bstr("noframes"), "on"))
- noframes = 1;
- else
- noframes = 0;
+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') {
+ if (buf[0] == '3') {
serv_printf("PASS %s", bstr("pass"));
serv_gets(buf);
- if (buf[0]=='2') {
+ 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("pass")) == 0) {
+ display_login("Blank passwords are not allowed.");
+ return;
+ }
serv_printf("NEWU %s", bstr("name"));
serv_gets(buf);
- if (buf[0]=='2') {
+ if (buf[0] == '2') {
become_logged_in(bstr("name"), bstr("pass"), buf);
serv_printf("SETP %s", bstr("pass"));
serv_gets(buf);
- }
- else {
+ } else {
display_login(&buf[4]);
return;
- }
}
-
- if (logged_in) {
- serv_puts("CHEK");
- serv_gets(buf);
- if (buf[0]=='2') {
- need_regi = extract_int(&buf[4], 1);
- /* FIX also check for new mail etc. here */
- }
- if (need_regi) {
+ }
+ if (WC->logged_in) {
+ if (WC->need_regi) {
display_reg(1);
- }
- else {
+ } else {
do_welcome();
- }
}
- else {
+ } else {
display_login("Your password was not accepted.");
- }
-
}
-void do_welcome(void) {
+}
- if (noframes) {
- printf("HTTP/1.0 200 OK\n");
- output_headers(1, "_top");
- wprintf("<CENTER><H1>");
- escputs(wc_username);
- wprintf("</H1>\n");
- /* FIX add user stats here */
- wDumpContent(1);
- }
+void do_welcome(void)
+{
+ char startpage[SIZ];
- else {
- output_static("frameset.html");
- }
+ get_preference("startpage", startpage);
+ if (strlen(startpage)==0) {
+ strcpy(startpage, "/dotskip&room=_BASEROOM_");
+ set_preference("startpage", startpage);
}
+ http_redirect(startpage);
+}
+
+
+/*
+ * 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[256];
+void do_logout(void)
+{
+ char buf[SIZ];
- strcpy(wc_username, "");
- strcpy(wc_password, "");
- strcpy(wc_roomname, "");
+ strcpy(WC->wc_username, "");
+ strcpy(WC->wc_password, "");
+ strcpy(WC->wc_roomname, "");
- printf("HTTP/1.0 200 OK\n");
- output_headers(2, "_top"); /* note "2" causes cookies to be unset */
+ /* Calling output_headers() this way causes the cookies to be un-set */
+ output_headers(1, 1, 0, 1, 0, 0, 0);
- wprintf("<CENTER>");
+ wprintf("<center>");
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></CENTER>\n");
- wDumpContent(2);
- serv_puts("QUIT");
- exit(0);
+ if (WC->serv_sock >= 0) {
+ if (buf[0] == '1') {
+ fmout(NULL, "CENTER");
+ } else {
+ wprintf("Goodbye\n");
+ }
+ }
+ else {
+ 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> "
+ "<a href=\"javascript:window.close();\">Close window</A>"
+ "</center>\n");
+ wDumpContent(2);
+ end_webcit_session();
+}
/*
* validate new users
*/
-void validate(void) {
- char cmd[256];
- char user[256];
- char buf[256];
+void validate(void)
+{
+ char cmd[SIZ];
+ char user[SIZ];
+ char buf[SIZ];
int a;
- printf("HTTP/1.0 200 OK\n");
- output_headers(1, "bottom");
-
- strcpy(buf,bstr("user"));
- if (strlen(buf)>0) if (strlen(bstr("axlevel"))>0) {
- serv_printf("VALI %s|%s",buf,bstr("axlevel"));
- serv_gets(buf);
- if (buf[0]!='2') {
- wprintf("<EM>%s</EM><BR>\n", &buf[4]);
+ 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"
+ );
+
+ strcpy(buf, bstr("user"));
+ if (strlen(buf) > 0)
+ if (strlen(bstr("axlevel")) > 0) {
+ serv_printf("VALI %s|%s", buf, bstr("axlevel"));
+ serv_gets(buf);
+ if (buf[0] != '2') {
+ wprintf("<b>%s</b><br />\n", &buf[4]);
}
}
-
serv_puts("GNUR");
serv_gets(buf);
- if (buf[0]!='3') {
- wprintf("<EM>%s</EM><BR>\n", &buf[4]);
+ if (buf[0] != '3') {
+ wprintf("<b>%s</b><br />\n", &buf[4]);
wDumpContent(1);
return;
- }
+ }
- strcpy(user,&buf[4]);
- serv_printf("GREG %s",user);
+ wprintf("<div id=\"fix_scrollbar_bug\">"
+ "<table border=0 width=100%% bgcolor=\"#ffffff\"><tr><td>\n");
+ wprintf("<center>");
+
+ strcpy(user, &buf[4]);
+ serv_printf("GREG %s", user);
serv_gets(cmd);
- if (cmd[0]=='1') {
+ if (cmd[0] == '1') {
a = 0;
do {
serv_gets(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("<CENTER><TABLE border><CAPTION>Select access level:");
- wprintf("</CAPTION><TR>");
- for (a=0; a<=6; ++a) {
- wprintf(
- "<TD><A HREF=\"/validate&user=%s&axlevel=%d\">%s</A></TD>\n",
- urlesc(user), a, axdefs[a]);
- }
- wprintf("</TR></TABLE><CENTER><BR>\n");
- wDumpContent(1);
+ 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> \n",
+ a, axdefs[a]);
+ }
+ wprintf("<br />\n");
-
+ wprintf("</CENTER>\n");
+ wprintf("</td></tr></table></div>\n");
+ wDumpContent(1);
+}
* (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) {
- char buf[256];
- int a;
-
- printf("HTTP/1.0 200 OK\n");
- output_headers(1, "bottom");
+void display_reg(int during_login)
+{
+ long vcard_msgnum;
- wprintf("<TABLE WIDTH=100% BORDER=0 BGCOLOR=007700><TR><TD>");
- wprintf("<FONT SIZE=+1 COLOR=\"FFFFFF\"");
- wprintf("<B>Enter registration info</B>\n");
- wprintf("</FONT></TD></TR></TABLE>\n");
-
- wprintf("<CENTER>");
- serv_puts("MESG register");
- serv_gets(buf);
- if (buf[0]=='1') fmout(NULL);
-
- wprintf("<FORM ACTION=\"/register\" METHOD=\"POST\">\n");
- wprintf("<INPUT TYPE=\"hidden\" NAME=\"during_login\" VALUE=\"%d\">\n", during_login);
-
- serv_puts("GREG _SELF_");
- serv_gets(buf);
- if (buf[0]!='1') {
- wprintf("<EM>%s</EM><BR>\n",&buf[4]);
- }
- else {
-
- wprintf("<H1>%s</H1><TABLE border>\n",&buf[4]);
- a = 0;
- while (serv_gets(buf), strcmp(buf,"000")) {
- ++a;
- wprintf("<TR><TD>");
- switch(a) {
- case 3: wprintf("Real Name:</TD><TD><INPUT TYPE=\"text\" NAME=\"realname\" VALUE=\"%s\" MAXLENGTH=\"29\"><BR>\n",buf);
- break;
- case 4: wprintf("Street Address:</TD><TD><INPUT TYPE=\"text\" NAME=\"address\" VALUE=\"%s\" MAXLENGTH=\"24\"><BR>\n",buf);
- break;
- case 5: wprintf("City/town:</TD><TD><INPUT TYPE=\"text\" NAME=\"city\" VALUE=\"%s\" MAXLENGTH=\"14\"><BR>\n",buf);
- break;
- case 6: wprintf("State/province:</TD><TD><INPUT TYPE=\"text\" NAME=\"state\" VALUE=\"%s\" MAXLENGTH=\"2\"><BR>\n",buf);
- break;
- case 7: wprintf("ZIP code:</TD><TD><INPUT TYPE=\"text\" NAME=\"zip\" VALUE=\"%s\" MAXLENGTH=\"10\"><BR>\n",buf);
- break;
- case 8: wprintf("Telephone:</TD><TD><INPUT TYPE=\"text\" NAME=\"phone\" VALUE=\"%s\" MAXLENGTH=\"14\"><BR>\n",buf);
- break;
- case 9: wprintf("E-Mail:</TD><TD><INPUT TYPE=\"text\" NAME=\"email\" VALUE=\"%s\" MAXLENGTH=\"31\"><BR>\n",buf);
- break;
- }
- wprintf("</TD></TR>\n");
- }
- wprintf("</TABLE><P>");
- }
- wprintf("<INPUT type=\"submit\" NAME=\"action\" VALUE=\"Register\">\n");
- wprintf("<INPUT type=\"submit\" NAME=\"action\" VALUE=\"Cancel\">\n");
- wprintf("</CENTER>\n");
- wDumpContent(1);
+ if (goto_config_room() != 0) {
+ if (during_login) do_welcome();
+ else display_main_menu();
+ return;
}
-/*
- * register
- */
-void register_user(void) {
- char buf[256];
-
- if (strcmp(bstr("action"),"Register")) {
- display_error("Cancelled. Registration was not saved.");
+ vcard_msgnum = locate_user_vcard(WC->wc_username, -1);
+ if (vcard_msgnum < 0L) {
+ if (during_login) do_welcome();
+ else display_main_menu();
return;
- }
-
- serv_puts("REGI");
- serv_gets(buf);
- if (buf[0]!='4') {
- display_error(&buf[4]);
- }
+ }
- serv_puts(bstr("realname"));
- serv_puts(bstr("address"));
- serv_puts(bstr("city"));
- serv_puts(bstr("state"));
- serv_puts(bstr("zip"));
- serv_puts(bstr("phone"));
- serv_puts(bstr("email"));
- serv_puts("000");
-
- if (atoi(bstr("during_login"))) {
- do_welcome();
- }
+ if (during_login) {
+ do_edit_vcard(vcard_msgnum, "1", "/do_welcome");
+ }
else {
- display_error("Registration information has been saved.");
- }
+ do_edit_vcard(vcard_msgnum, "1", "/display_main_menu");
}
+}
/*
* display form for changing your password
*/
-void display_changepw(void) {
- char buf[256];
-
- printf("HTTP/1.0 200 OK\n");
- output_headers(1, "bottom");
+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");
+ strcpy(WC->ImportantMessage, "");
+ }
- wprintf("<TABLE WIDTH=100% BORDER=0 BGCOLOR=770000><TR><TD>");
- wprintf("<FONT SIZE=+1 COLOR=\"FFFFFF\"");
- wprintf("<B>Change your password</B>\n");
- wprintf("</FONT></TD></TR></TABLE>\n");
+ wprintf("<div id=\"fix_scrollbar_bug\">"
+ "<table border=0 width=100%% bgcolor=\"#ffffff\"><tr><td>\n");
- wprintf("<CENTER>");
+ wprintf("<CENTER><br />");
serv_puts("MESG changepw");
serv_gets(buf);
- if (buf[0]=='1') fmout(NULL);
+ if (buf[0] == '1') {
+ fmout(NULL, "CENTER");
+ }
- wprintf("<FORM ACTION=\"changepw\" METHOD=\"POST\">\n");
- wprintf("<CENTER><TABLE border><TR><TD>Enter new password:</TD>\n");
+ 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>\n");
- wprintf("<INPUT type=\"submit\" NAME=\"action\" VALUE=\"Change\">\n");
- wprintf("<INPUT type=\"submit\" NAME=\"action\" VALUE=\"Cancel\">\n");
- wprintf("</CENTER>\n");
+
+ wprintf("</TABLE><br />\n");
+ wprintf("<INPUT type=\"submit\" name=\"action\" value=\"Change\">"
+ " "
+ "<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[256];
+void changepw(void)
+{
+ char buf[SIZ];
char newpass1[32], newpass2[32];
-
- if (strcmp(bstr("action"),"Change")) {
- display_error("Cancelled. Password was not changed.");
+
+ if (strcmp(bstr("action"), "Change")) {
+ strcpy(WC->ImportantMessage,
+ "Cancelled. Password was not changed.");
+ display_main_menu();
return;
- }
+ }
strcpy(newpass1, bstr("newpass1"));
strcpy(newpass2, bstr("newpass2"));
if (strcasecmp(newpass1, newpass2)) {
- display_error("They don't match. Password was not changed.");
+ strcpy(WC->ImportantMessage,
+ "They don't match. Password was not changed.");
+ display_changepw();
return;
- }
+ }
+
+ if (strlen(newpass1) == 0) {
+ strcpy(WC->ImportantMessage,
+ "Blank passwords are not allowed.");
+ display_changepw();
+ return;
+ }
serv_printf("SETP %s", newpass1);
serv_gets(buf);
- if (buf[0]=='2') display_success(&buf[4]);
- else display_error(&buf[4]);
+ 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();
}
+}