--- /dev/null
+/*
+ * These functions handle authentication of users to a Citadel server.
+ *
+ * Copyright (c) 1996-2021 by the citadel.org team
+ *
+ * This program is open source software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include "webcit.h"
+#include "webserver.h"
+#include <ctype.h>
+
+extern uint32_t hashlittle( const void *key, size_t length, uint32_t initval);
+
+/*
+ * Access level definitions. This is initialized from a function rather than a
+ * static array so that the strings may be localized.
+ */
+char *axdefs[7];
+
+void initialize_axdefs(void) {
+
+ /* an erased user */
+ axdefs[0] = _("Deleted");
+
+ /* a new user */
+ axdefs[1] = _("New User");
+
+ /* a trouble maker */
+ axdefs[2] = _("Problem User");
+
+ /* user with normal privileges */
+ axdefs[3] = _("Local User");
+
+ /* a user that may access network resources */
+ axdefs[4] = _("Network User");
+
+ /* a moderator */
+ axdefs[5] = _("Preferred User");
+
+ /* chief */
+ axdefs[6] = _("Admin");
+}
+
+
+
+/*
+ * Display the login screen
+ * mesg = the error message if last attempt failed.
+ */
+void display_login(void)
+{
+ begin_burst();
+ output_headers(1, 0, 0, 0, 1, 0);
+ do_template("login");
+ end_burst();
+}
+
+
+
+
+
+/* Initialize the session
+ *
+ * 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.
+ *
+ * user the username
+ * pass his password
+ * serv_response The parameters returned from a Citadel USER or NEWU command
+ */
+void become_logged_in(const StrBuf *user, const StrBuf *pass, StrBuf *serv_response)
+{
+ wcsession *WCC = WC;
+ StrBuf *Buf;
+ StrBuf *FloorDiv;
+
+ WCC->logged_in = 1;
+
+ if (WCC->wc_fullname == NULL)
+ WCC->wc_fullname = NewStrBufPlain(NULL, StrLength(serv_response));
+ StrBufExtract_token(WCC->wc_fullname, serv_response, 0, '|');
+ StrBufCutLeft(WCC->wc_fullname, 4 );
+
+ if (WCC->wc_username == NULL)
+ WCC->wc_username = NewStrBufDup(user);
+ else {
+ FlushStrBuf(WCC->wc_username);
+ StrBufAppendBuf(WCC->wc_username, user, 0);
+ }
+
+ if (WCC->wc_password == NULL)
+ WCC->wc_password = NewStrBufDup(pass);
+ else {
+ FlushStrBuf(WCC->wc_password);
+ StrBufAppendBuf(WCC->wc_password, pass, 0);
+ }
+
+ WCC->axlevel = StrBufExtract_int(serv_response, 1, '|');
+ if (WCC->axlevel >= 6) {
+ WCC->is_aide = 1;
+ }
+
+ load_preferences();
+
+ Buf = NewStrBuf();
+ serv_puts("CHEK");
+ StrBuf_ServGetln(Buf);
+ if (GetServerStatus(Buf, NULL) == 2) {
+ const char *pch;
+
+ pch = ChrPtr(Buf) + 4;
+ /*WCC->new_mail =*/ StrBufExtractNext_long(Buf, &pch, '|');
+ WCC->need_regi = StrBufExtractNext_long(Buf, &pch, '|');
+ WCC->need_vali = StrBufExtractNext_long(Buf, &pch, '|');
+ if (WCC->cs_inet_email == NULL)
+ WCC->cs_inet_email = NewStrBuf();
+ StrBufExtract_NextToken(WCC->cs_inet_email, Buf, &pch, '|');
+ }
+ get_preference("floordiv_expanded", &FloorDiv);
+ WCC->floordiv_expanded = FloorDiv;
+ FreeStrBuf(&Buf);
+ FlushRoomlist();
+}
+
+
+/*
+ * modal/ajax version of 'login' (username and password)
+ */
+void ajax_login_username_password(void) {
+ StrBuf *Buf = NewStrBuf();
+
+ serv_printf("USER %s", bstr("name"));
+ StrBuf_ServGetln(Buf);
+ if (GetServerStatus(Buf, NULL) == 3) {
+ serv_printf("PASS %s", bstr("pass"));
+ StrBuf_ServGetln(Buf);
+ if (GetServerStatus(Buf, NULL) == 2) {
+ become_logged_in(sbstr("name"), sbstr("pass"), Buf);
+ }
+ }
+
+ /* The client is expecting to read back a citadel protocol response */
+ wc_printf("%s", ChrPtr(Buf));
+ FreeStrBuf(&Buf);
+}
+
+
+
+/*
+ * modal/ajax version of 'new user' (username and password)
+ */
+void ajax_login_newuser(void) {
+ StrBuf *NBuf = NewStrBuf();
+ StrBuf *SBuf = NewStrBuf();
+
+ serv_printf("NEWU %s", bstr("name"));
+ StrBuf_ServGetln(NBuf);
+ if (GetServerStatus(NBuf, NULL) == 2) {
+ become_logged_in(sbstr("name"), sbstr("pass"), NBuf);
+ serv_printf("SETP %s", bstr("pass"));
+ StrBuf_ServGetln(SBuf);
+ }
+
+ /* The client is expecting to read back a citadel protocol response */
+ wc_printf("%s", ChrPtr(NBuf));
+ FreeStrBuf(&NBuf);
+ FreeStrBuf(&SBuf);
+}
+
+
+
+/*
+ * Try to create an account manually after an OpenID was verified
+ */
+void openid_manual_create(void)
+{
+ StrBuf *Buf;
+
+ /* Did the user change his mind? Pack up and go home. */
+ if (havebstr("exit_action")) {
+ begin_burst();
+ output_headers(1, 0, 0, 0, 1, 0);
+ do_template("authpopup_finished");
+ end_burst();
+ return;
+ }
+
+
+ /* Ok, let's give this a try. Can we create the new user? */
+
+ Buf = NewStrBuf();
+ serv_printf("OIDC %s", bstr("name"));
+ StrBuf_ServGetln(Buf);
+ if (GetServerStatus(Buf, NULL) == 2) {
+ StrBuf *gpass;
+
+ gpass = NewStrBuf();
+ serv_puts("SETP GENERATE_RANDOM_PASSWORD");
+ StrBuf_ServGetln(gpass);
+ StrBufCutLeft(gpass, 4);
+ become_logged_in(sbstr("name"), gpass, Buf);
+ FreeStrBuf(&gpass);
+ }
+ FreeStrBuf(&Buf);
+
+ /* Did we manage to log in? If so, continue with the normal flow... */
+ if (WC->logged_in) {
+ if (WC->logged_in) {
+ begin_burst();
+ output_headers(1, 0, 0, 0, 1, 0);
+ do_template("authpopup_finished");
+ end_burst();
+ }
+ } else {
+ /* Still no good! Go back to teh dialog to select a username */
+ const StrBuf *Buf;
+ putbstr("__claimed_id", NewStrBufDup(sbstr("openid_url")));
+ Buf = sbstr("name");
+ if (StrLength(Buf) > 0)
+ putbstr("__username", NewStrBufDup(Buf));
+ begin_burst();
+ output_headers(1, 0, 0, 0, 1, 0);
+ wc_printf("<html><body>");
+ do_template("openid_manual_create");
+ wc_printf("</body></html>");
+ end_burst();
+ }
+
+}
+
+
+/*
+ * Perform authentication using OpenID
+ * assemble the checkid_setup request and then redirect to the user's identity provider
+ */
+void do_openid_login(void)
+{
+ char buf[4096];
+
+ snprintf(buf, sizeof buf,
+ "OIDS %s|%s/finalize_openid_login|%s",
+ bstr("openid_url"),
+ ChrPtr(site_prefix),
+ ChrPtr(site_prefix)
+ );
+
+ serv_puts(buf);
+ serv_getln(buf, sizeof buf);
+ if (buf[0] == '2') {
+ syslog(LOG_DEBUG, "OpenID server contacted; redirecting to %s\n", &buf[4]);
+ http_redirect(&buf[4]);
+ return;
+ }
+
+ begin_burst();
+ output_headers(1, 0, 0, 0, 1, 0);
+ wc_printf("<html><body>");
+ escputs(&buf[4]);
+ wc_printf("</body></html>");
+ end_burst();
+}
+
+
+/*
+ * Complete the authentication using OpenID
+ * This function handles the positive or negative assertion from the user's Identity Provider
+ */
+void finalize_openid_login(void)
+{
+ StrBuf *Buf;
+ wcsession *WCC = WC;
+ int linecount = 0;
+ StrBuf *result = NULL;
+ StrBuf *username = NULL;
+ StrBuf *password = NULL;
+ StrBuf *logged_in_response = NULL;
+ StrBuf *claimed_id = NULL;
+
+ if (havebstr("openid.mode")) {
+ if (!strcasecmp(bstr("openid.mode"), "id_res")) {
+ Buf = NewStrBuf();
+ serv_puts("OIDF");
+ StrBuf_ServGetln(Buf);
+ if (GetServerStatus(Buf, NULL) == 8) {
+ urlcontent *u;
+ void *U;
+ long HKLen;
+ const char *HKey;
+ HashPos *Cursor;
+ int len;
+
+ Cursor = GetNewHashPos (WCC->Hdr->urlstrings, 0);
+ while (GetNextHashPos(WCC->Hdr->urlstrings, Cursor, &HKLen, &HKey, &U)) {
+ u = (urlcontent*) U;
+ if (!strncasecmp(u->url_key, "openid.", 7)) {
+ serv_printf("%s|%s", &u->url_key[7], ChrPtr(u->url_data));
+ }
+ }
+
+ serv_puts("000");
+
+ linecount = 0;
+ while (len = StrBuf_ServGetln(Buf),
+ ((len >= 0) &&
+ ((len != 3) || strcmp(ChrPtr(Buf), "000") )))
+ {
+ if (linecount == 0) result = NewStrBufDup(Buf);
+ if (!strcasecmp(ChrPtr(result), "authenticate")) {
+ if (linecount == 1) {
+ username = NewStrBufDup(Buf);
+ }
+ else if (linecount == 2) {
+ password = NewStrBufDup(Buf);
+ }
+ else if (linecount == 3) {
+ logged_in_response = NewStrBufDup(Buf);
+ }
+ }
+ else if (!strcasecmp(ChrPtr(result), "verify_only")) {
+ if (linecount == 1) {
+ claimed_id = NewStrBufDup(Buf);
+ }
+ if (linecount == 2) {
+ username = NewStrBufDup(Buf);
+ }
+ }
+ ++linecount;
+ }
+ }
+ FreeStrBuf(&Buf);
+ }
+ }
+
+ /*
+ * Is this an attempt to associate a new OpenID with an account that is already logged in?
+ */
+ if ( (WCC->logged_in) && (havebstr("attach_existing")) ) {
+ display_openids();
+ }
+
+ /* If this operation logged us in, either by connecting with an existing account or by
+ * auto-creating one using Simple Registration Extension, we're already on our way.
+ */
+ else if (!strcasecmp(ChrPtr(result), "authenticate")) {
+ become_logged_in(username, password, logged_in_response);
+
+ /* Did we manage to log in? If so, continue with the normal flow... */
+ if (WC->logged_in) {
+ begin_burst();
+ output_headers(1, 0, 0, 0, 1, 0);
+ do_template("authpopup_finished");
+ end_burst();
+ } else {
+ begin_burst();
+ output_headers(1, 0, 0, 0, 1, 0);
+ wc_printf("<html><body>");
+ wc_printf(_("An error has occurred."));
+ wc_printf("</body></html>");
+ end_burst();
+ }
+ }
+
+ /* The specified OpenID was verified but the desired user name was either not specified via SRE
+ * or conflicts with an existing user. Either way the user will need to specify a new name.
+ */
+ else if (!strcasecmp(ChrPtr(result), "verify_only")) {
+ putbstr("__claimed_id", claimed_id);
+ claimed_id = NULL;
+ if (StrLength(username) > 0) {
+ putbstr("__username", username);
+ username = NULL;
+ }
+ begin_burst();
+ output_headers(1, 0, 0, 0, 1, 0);
+ wc_printf("<html><body>");
+ do_template("openid_manual_create");
+ wc_printf("</body></html>");
+ end_burst();
+ }
+
+ /* Something went VERY wrong if we get to this point */
+ else {
+ syslog(LOG_DEBUG, "finalize_openid_login() failed to do anything. This is a code problem.\n");
+ begin_burst();
+ output_headers(1, 0, 0, 0, 1, 0);
+ wc_printf("<html><body>");
+ wc_printf(_("An error has occurred."));
+ wc_printf("</body></html>");
+ end_burst();
+ }
+
+ FreeStrBuf(&result);
+ FreeStrBuf(&username);
+ FreeStrBuf(&password);
+ FreeStrBuf(&claimed_id);
+ FreeStrBuf(&logged_in_response);
+}
+
+
+/*
+ * Display a welcome screen to the user.
+ */
+void do_welcome(void) {
+ StrBuf *Buf;
+ /*
+ * Go to the user's preferred start page
+ */
+ if (!get_preference("startpage", &Buf)) {
+ Buf = NewStrBuf ();
+ StrBufPrintf(Buf, "dotskip?room=_BASEROOM_");
+ set_preference("startpage", Buf, 1);
+ }
+ if (ChrPtr(Buf)[0] == '/') {
+ StrBufCutLeft(Buf, 1);
+ }
+ if (StrLength(Buf) == 0) {
+ StrBufAppendBufPlain(Buf, "dotgoto?room=_BASEROOM_", -1, 0);
+ }
+ syslog(LOG_DEBUG, "Redirecting to user's start page: %s\n", ChrPtr(Buf));
+ http_redirect(ChrPtr(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() */
+}
+
+
+/*
+ * Log out the session with the Citadel server
+ */
+void do_logout(void)
+{
+ wcsession *WCC = WC;
+ char buf[SIZ];
+
+ FlushStrBuf(WCC->wc_username);
+ FlushStrBuf(WCC->wc_password);
+ FlushStrBuf(WCC->wc_fullname);
+ FlushRoomlist();
+
+ serv_puts("LOUT");
+ serv_getln(buf, sizeof buf);
+ WCC->logged_in = 0;
+
+ FlushStrBuf(WCC->CurRoom.name);
+
+ /* Calling output_headers() this way causes the cookies to be un-set */
+ output_headers(1, 1, 0, 1, 0, 0);
+ do_template("logout");
+ if ((WCC->serv_info != NULL) && WCC->serv_info->serv_supports_guest) {
+ display_default_landing_page();
+ return;
+ }
+
+ wDumpContent(2);
+ end_webcit_session();
+}
+
+
+/*
+ * Special page for monitoring scripts etc
+ */
+void monitor(void)
+{
+ output_headers(0, 0, 0, 0, 0, 0);
+
+ hprintf("Content-type: text/plain\r\n"
+ "Server: " PACKAGE_STRING "\r\n"
+ "Connection: close\r\n"
+ );
+ begin_burst();
+
+ wc_printf("Connection to Citadel server in %s : %s\r\n", ctdl_dir,
+ (WC->connected ? "SUCCESS" : "FAIL")
+ );
+
+ wDumpContent(0);
+}
+
+
+/*
+ * validate new users
+ */
+void validate(void)
+{
+ char cmd[SIZ];
+ char user[SIZ];
+ char buf[SIZ];
+ int a;
+
+ output_headers(1, 1, 1, 0, 0, 0);
+
+ do_template("box_begin_1");
+ StrBufAppendBufPlain(WC->WBuf, _("Validate new users"), -1, 0);
+ do_template("box_begin_2");
+
+ /* If the user just submitted a validation, process it... */
+ safestrncpy(buf, bstr("user"), sizeof buf);
+ if (!IsEmptyStr(buf)) {
+ if (havebstr("axlevel")) {
+ serv_printf("VALI %s|%s", buf, bstr("axlevel"));
+ serv_getln(buf, sizeof buf);
+ if (buf[0] != '2') {
+ wc_printf("<b>%s</b><br>\n", &buf[4]);
+ }
+ }
+ }
+
+ /* Now see if any more users require validation. */
+ serv_puts("GNUR");
+ serv_getln(buf, sizeof buf);
+ if (buf[0] == '2') {
+ wc_printf("<b>");
+ wc_printf(_("No users require validation at this time."));
+ wc_printf("</b><br>\n");
+ wDumpContent(1);
+ return;
+ }
+ if (buf[0] != '3') {
+ wc_printf("<b>%s</b><br>\n", &buf[4]);
+ wDumpContent(1);
+ return;
+ }
+
+ wc_printf("<table class=\"auth_validate\"><tr><td>\n");
+ wc_printf("<div id=\"validate\">");
+
+ 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)
+ wc_printf("#%s<br><H1>%s</H1>",
+ buf, &cmd[4]);
+ if (a == 2) {
+ char *pch;
+ int haveChar = 0;
+ int haveNum = 0;
+ int haveOther = 0;
+ int haveLong = 0;
+ pch = buf;
+ while (!IsEmptyStr(pch))
+ {
+ if (isdigit(*pch))
+ haveNum = 1;
+ else if (isalpha(*pch))
+ haveChar = 1;
+ else
+ haveOther = 1;
+ pch ++;
+ }
+ if (pch - buf > 7)
+ haveLong = 1;
+ switch (haveLong +
+ haveChar +
+ haveNum +
+ haveOther)
+ {
+ case 0:
+ pch = _("very weak");
+ break;
+ case 1:
+ pch = _("weak");
+ break;
+ case 2:
+ pch = _("ok");
+ break;
+ case 3:
+ default:
+ pch = _("strong");
+ }
+
+ wc_printf("PW: %s<br>\n", pch);
+ }
+ if (a == 3)
+ wc_printf("%s<br>\n", buf);
+ if (a == 4)
+ wc_printf("%s<br>\n", buf);
+ if (a == 5)
+ wc_printf("%s, ", buf);
+ if (a == 6)
+ wc_printf("%s ", buf);
+ if (a == 7)
+ wc_printf("%s<br>\n", buf);
+ if (a == 8)
+ wc_printf("%s<br>\n", buf);
+ if (a == 9)
+ wc_printf(_("Current access level: %d (%s)\n"),
+ atoi(buf), axdefs[atoi(buf)]);
+ } while (strcmp(buf, "000"));
+ } else {
+ wc_printf("<H1>%s</H1>%s<br>\n", user, &cmd[4]);
+ }
+
+ wc_printf("<hr />");
+ wc_printf(_("Select access level for this user:"));
+ wc_printf("<br>\n");
+ for (a = 0; a <= 6; ++a) {
+ wc_printf("<a href=\"validate?nonce=%d?user=", WC->nonce);
+ urlescputs(user);
+ wc_printf("&axlevel=%d\">%s</A> \n",
+ a, axdefs[a]);
+ }
+ wc_printf("<br>\n");
+
+ wc_printf("</div>\n");
+ wc_printf("</td></tr></table>\n");
+ do_template("box_end");
+ 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)
+{
+ folder Room;
+ StrBuf *Buf;
+ message_summary *VCMsg = NULL;
+ wc_mime_attachment *VCAtt = NULL;
+ long vcard_msgnum;
+
+ Buf = NewStrBuf();
+ memset(&Room, 0, sizeof(folder));
+ if (goto_config_room(Buf, &Room) != 0) {
+ syslog(LOG_WARNING, "display_reg() exiting because goto_config_room() failed\n");
+ if (during_login) {
+ pop_destination();
+ }
+ else {
+ display_main_menu();
+ }
+ FreeStrBuf(&Buf);
+ FlushFolder(&Room);
+ return;
+ }
+ FlushFolder(&Room);
+
+ FreeStrBuf(&Buf);
+ vcard_msgnum = locate_user_vcard_in_this_room(&VCMsg, &VCAtt);
+ if (vcard_msgnum < 0L) {
+ syslog(LOG_WARNING, "display_reg() exiting because locate_user_vcard_in_this_room() failed\n");
+ if (during_login) {
+ pop_destination();
+ }
+ else {
+ display_main_menu();
+ }
+ return;
+ }
+
+ if (during_login) {
+ do_edit_vcard(vcard_msgnum, "1", VCMsg, VCAtt, "pop", USERCONFIGROOM);
+ }
+ else {
+ StrBuf *ReturnTo;
+ ReturnTo = NewStrBufPlain(HKEY("display_main_menu?go="));
+ StrBufAppendBuf(ReturnTo, WC->CurRoom.name, 0);
+ do_edit_vcard(vcard_msgnum, "1", VCMsg, VCAtt, ChrPtr(ReturnTo), USERCONFIGROOM);
+ FreeStrBuf(&ReturnTo);
+ }
+
+}
+
+/*
+ * change password
+ * if passwords match, propagate it to citserver.
+ */
+void changepw(void)
+{
+ StrBuf *Line;
+ char newpass1[32], newpass2[32];
+
+ if (!havebstr("change_action")) {
+ AppendImportantMessage(_("Cancelled. Password was not changed."), -1);
+ display_main_menu();
+ return;
+ }
+
+ safestrncpy(newpass1, bstr("newpass1"), sizeof newpass1);
+ safestrncpy(newpass2, bstr("newpass2"), sizeof newpass2);
+
+ if (strcasecmp(newpass1, newpass2)) {
+ AppendImportantMessage(_("They don't match. Password was not changed."), -1);
+ do_template("menu_change_pw");
+ return;
+ }
+
+ if (IsEmptyStr(newpass1)) {
+ AppendImportantMessage(_("Blank passwords are not allowed."), -1);
+ do_template("menu_change_pw");
+ return;
+ }
+
+ Line = NewStrBuf();
+ serv_printf("SETP %s", newpass1);
+ StrBuf_ServGetln(Line);
+ if (GetServerStatusMsg(Line, NULL, 1, 0) == 2) {
+ if (WC->wc_password == NULL)
+ WC->wc_password = NewStrBufPlain(
+ ChrPtr(Line) + 4,
+ StrLength(Line) - 4);
+ else {
+ FlushStrBuf(WC->wc_password);
+ StrBufAppendBufPlain(WC->wc_password,
+ ChrPtr(Line) + 4,
+ StrLength(Line) - 4, 0);
+ }
+ display_main_menu();
+ }
+ else {
+ do_template("menu_change_pw");
+ }
+ FreeStrBuf(&Line);
+}
+
+
+int ConditionalHaveAccessCreateRoom(StrBuf *Target, WCTemplputParams *TP)
+{
+ StrBuf *Buf;
+
+ Buf = NewStrBuf();
+ serv_puts("CRE8 0");
+ StrBuf_ServGetln(Buf);
+
+ if (GetServerStatus(Buf, NULL) == 2) {
+ StrBufCutLeft(Buf, 4);
+ AppendImportantMessage(SKEY(Buf));
+ FreeStrBuf(&Buf);
+ return 0;
+ }
+ FreeStrBuf(&Buf);
+ return 1;
+}
+
+
+int ConditionalAide(StrBuf *Target, WCTemplputParams *TP)
+{
+ wcsession *WCC = WC;
+ return (WCC != NULL) ? ((WCC->logged_in == 0)||(WC->is_aide == 0)) : 0;
+}
+
+
+int ConditionalIsLoggedIn(StrBuf *Target, WCTemplputParams *TP)
+{
+ wcsession *WCC = WC;
+ return (WCC != NULL) ? (WCC->logged_in == 0) : 0;
+
+}
+
+
+/*
+ * toggle the session over to a different language
+ */
+void switch_language(void) {
+ set_selected_language(bstr("lang"));
+ pop_destination();
+}
+
+
+void _display_reg(void) {
+ display_reg(0);
+}
+
+
+void Header_HandleAuth(StrBuf *Line, ParsedHttpHdrs *hdr)
+{
+ if (hdr->HR.got_auth == NO_AUTH) /* don't override cookie auth... */
+ {
+ if (strncasecmp(ChrPtr(Line), "Basic", 5) == 0) {
+ StrBufCutLeft(Line, 6);
+ StrBufDecodeBase64(Line);
+ hdr->HR.plainauth = Line;
+ hdr->HR.got_auth = AUTH_BASIC;
+ }
+ else
+ syslog(LOG_WARNING, "Authentication scheme not supported! [%s]\n", ChrPtr(Line));
+ }
+}
+
+
+void CheckAuthBasic(ParsedHttpHdrs *hdr)
+{
+/*
+ todo: enable this if we can have other sessions than authenticated ones.
+ if (hdr->DontNeedAuth)
+ return;
+*/
+ StrBufAppendBufPlain(hdr->HR.plainauth, HKEY(":"), 0);
+ StrBufAppendBuf(hdr->HR.plainauth, hdr->HR.user_agent, 0);
+}
+
+
+void GetAuthBasic(ParsedHttpHdrs *hdr)
+{
+ const char *Pos = NULL;
+ if (hdr->c_username == NULL)
+ hdr->c_username = NewStrBufPlain(HKEY(DEFAULT_HTTPAUTH_USER));
+ if (hdr->c_password == NULL)
+ hdr->c_password = NewStrBufPlain(HKEY(DEFAULT_HTTPAUTH_PASS));
+ StrBufExtract_NextToken(hdr->c_username, hdr->HR.plainauth, &Pos, ':');
+ StrBufExtract_NextToken(hdr->c_password, hdr->HR.plainauth, &Pos, ':');
+}
+
+
+void Header_HandleCookie(StrBuf *Line, ParsedHttpHdrs *hdr)
+{
+ const char *pch;
+/*
+ todo: enable this if we can have other sessions than authenticated ones.
+ if (hdr->DontNeedAuth)
+ return;
+*/
+ pch = strstr(ChrPtr(Line), "webcit=");
+ if (pch == NULL) {
+ return;
+ }
+
+ hdr->HR.RawCookie = Line;
+ StrBufCutLeft(hdr->HR.RawCookie, (pch - ChrPtr(hdr->HR.RawCookie)) + 7);
+ StrBufDecodeHex(hdr->HR.RawCookie);
+
+ cookie_to_stuff(Line, &hdr->HR.desired_session,
+ hdr->c_username,
+ hdr->c_password,
+ hdr->c_roomname,
+ hdr->c_language
+ );
+ hdr->HR.got_auth = AUTH_COOKIE;
+}
+
+
+void
+HttpNewModule_AUTH
+(ParsedHttpHdrs *httpreq)
+{
+ httpreq->c_username = NewStrBufPlain(HKEY(DEFAULT_HTTPAUTH_USER));
+ httpreq->c_password = NewStrBufPlain(HKEY(DEFAULT_HTTPAUTH_PASS));
+ httpreq->c_roomname = NewStrBuf();
+ httpreq->c_language = NewStrBuf();
+}
+
+
+void
+HttpDetachModule_AUTH
+(ParsedHttpHdrs *httpreq)
+{
+ FLUSHStrBuf(httpreq->c_username);
+ FLUSHStrBuf(httpreq->c_password);
+ FLUSHStrBuf(httpreq->c_roomname);
+ FLUSHStrBuf(httpreq->c_language);
+}
+
+
+void
+HttpDestroyModule_AUTH
+(ParsedHttpHdrs *httpreq)
+{
+ FreeStrBuf(&httpreq->c_username);
+ FreeStrBuf(&httpreq->c_password);
+ FreeStrBuf(&httpreq->c_roomname);
+ FreeStrBuf(&httpreq->c_language);
+}
+
+
+void
+InitModule_AUTH
+(void)
+{
+ initialize_axdefs();
+ RegisterHeaderHandler(HKEY("COOKIE"), Header_HandleCookie);
+ RegisterHeaderHandler(HKEY("AUTHORIZATION"), Header_HandleAuth);
+
+ /* no url pattern at all? Show login. */
+ WebcitAddUrlHandler(HKEY(""), "", 0, do_welcome, ANONYMOUS|COOKIEUNNEEDED);
+
+ WebcitAddUrlHandler(HKEY("do_welcome"), "", 0, do_welcome, ANONYMOUS|COOKIEUNNEEDED);
+ WebcitAddUrlHandler(HKEY("openid_login"), "", 0, do_openid_login, ANONYMOUS);
+ WebcitAddUrlHandler(HKEY("finalize_openid_login"), "", 0, finalize_openid_login, ANONYMOUS);
+ WebcitAddUrlHandler(HKEY("openid_manual_create"), "", 0, openid_manual_create, ANONYMOUS);
+ WebcitAddUrlHandler(HKEY("validate"), "", 0, validate, 0);
+ WebcitAddUrlHandler(HKEY("do_welcome"), "", 0, do_welcome, 0);
+ WebcitAddUrlHandler(HKEY("display_reg"), "", 0, _display_reg, 0);
+ WebcitAddUrlHandler(HKEY("changepw"), "", 0, changepw, 0);
+ WebcitAddUrlHandler(HKEY("termquit"), "", 0, do_logout, 0);
+ WebcitAddUrlHandler(HKEY("do_logout"), "", 0, do_logout, ANONYMOUS|COOKIEUNNEEDED|FORCE_SESSIONCLOSE);
+ WebcitAddUrlHandler(HKEY("monitor"), "", 0, monitor, ANONYMOUS|COOKIEUNNEEDED|FORCE_SESSIONCLOSE);
+ WebcitAddUrlHandler(HKEY("ajax_login_username_password"), "", 0, ajax_login_username_password, AJAX|ANONYMOUS);
+ WebcitAddUrlHandler(HKEY("ajax_login_newuser"), "", 0, ajax_login_newuser, AJAX|ANONYMOUS);
+ WebcitAddUrlHandler(HKEY("switch_language"), "", 0, switch_language, ANONYMOUS);
+ RegisterConditional("COND:AIDE", 2, ConditionalAide, CTX_NONE);
+ RegisterConditional("COND:LOGGEDIN", 2, ConditionalIsLoggedIn, CTX_NONE);
+ RegisterConditional("COND:MAY_CREATE_ROOM", 2, ConditionalHaveAccessCreateRoom, CTX_NONE);
+ return;
+}
+
+
+void
+SessionDestroyModule_AUTH
+(wcsession *sess)
+{
+ FreeStrBuf(&sess->wc_username);
+ FreeStrBuf(&sess->wc_fullname);
+ FreeStrBuf(&sess->wc_password);
+ FreeStrBuf(&sess->httpauth_pass);
+ FreeStrBuf(&sess->cs_inet_email);
+}
projects / citadel.git / blobdiff