-/* $Id$ */
+/*
+ * $Id$
+ *
+ * Functions which implement the chat and paging facilities.
+ */
#include <ctype.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/socket.h>
+#include <sys/poll.h>
#include <sys/time.h>
#include <limits.h>
#include <netinet/in.h>
*/
void display_page(void)
{
- char buf[256];
- char user[256];
+ char recp[SIZ];
- output_headers(1);
+ strcpy(recp, bstr("recp"));
- wprintf("<TABLE WIDTH=100%% BORDER=0 BGCOLOR=007700><TR><TD>");
- wprintf("<FONT SIZE=+1 COLOR=\"FFFFFF\"");
- wprintf("<B>Page another user</B>\n");
- wprintf("</FONT></TD></TR></TABLE>\n");
+ output_headers(1, 1, 0, 0, 0, 0, 0);
- wprintf("This command sends a near-real-time message to any currently\n");
- wprintf("logged in user.<BR><BR>\n");
+ svprintf("BOXTITLE", WCS_STRING, "Page: %s", recp);
+ do_template("beginbox");
wprintf("<FORM METHOD=\"POST\" ACTION=\"/page_user\">\n");
-
wprintf("<TABLE border=0 width=100%%><TR><TD>\n");
- wprintf("Select a user to send a message to: <BR>");
+ wprintf("<INPUT TYPE=\"hidden\" NAME=\"recp\" VALUE=\"");
+ escputs(recp);
+ wprintf("\">\n");
- wprintf("<SELECT NAME=\"recp\" SIZE=10>\n");
- serv_puts("RWHO");
- serv_gets(buf);
- if (buf[0] == '1') {
- while (serv_gets(buf), strcmp(buf, "000")) {
- extract(user, buf, 1);
- wprintf("<OPTION>");
- escputs(user);
- wprintf("\n");
- }
- }
- wprintf("</SELECT>\n");
-
- wprintf("</TD><TD>");
+ wprintf("<INPUT TYPE=\"hidden\" NAME=\"closewin\" VALUE=\"");
+ escputs(bstr("closewin"));
+ wprintf("\">\n");
- wprintf("Enter message text:<BR>");
+ wprintf("Enter message text:<br />");
wprintf("<TEXTAREA NAME=\"msgtext\" wrap=soft ROWS=5 COLS=40 "
- "WIDTH=40></TEXTAREA><P>\n");
+ "WIDTH=40></TEXTAREA>\n");
- wprintf("</TD></TR></TABLE><BR>\n");
+ wprintf("</TD></TR></TABLE><br />\n");
wprintf("<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Send message\">");
- wprintf("<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Cancel\"><BR>\n");
+ wprintf("<br /><A HREF=\"javascript:window.close();\"Cancel</A>\n");
wprintf("</FORM></CENTER>\n");
+ do_template("endbox");
wDumpContent(1);
}
*/
void page_user(void)
{
- char recp[256];
- char sc[256];
- char buf[256];
+ char recp[SIZ];
+ char sc[SIZ];
+ char buf[SIZ];
+ char closewin[SIZ];
- output_headers(1);
+ output_headers(1, 1, 0, 0, 0, 0, 0);
strcpy(recp, bstr("recp"));
strcpy(sc, bstr("sc"));
+ strcpy(closewin, bstr("closewin"));
if (strcmp(sc, "Send message")) {
- wprintf("<EM>Message was not sent.</EM><BR>\n");
+ wprintf("<EM>Message was not sent.</EM><br />\n");
} else {
serv_printf("SEXP %s|-", recp);
serv_gets(buf);
if (buf[0] == '4') {
- text_to_server(bstr("msgtext"));
+ text_to_server(bstr("msgtext"), 0);
serv_puts("000");
wprintf("<EM>Message has been sent to ");
escputs(recp);
- wprintf(".</EM><BR>\n");
+ wprintf(".</EM><br />\n");
}
else {
- wprintf("<EM>%s</EM><BR>\n", &buf[4]);
+ wprintf("<EM>%s</EM><br />\n", &buf[4]);
}
}
+
+ if (!strcasecmp(closewin, "yes")) {
+ wprintf("<CENTER><A HREF=\"javascript:window.close();\">"
+ "[ close window ]</A></CENTER>\n");
+ }
+
wDumpContent(1);
}
*/
void do_chat(void)
{
+ char buf[SIZ];
- output_headers(1);
-
- wprintf("<TABLE WIDTH=100%% BORDER=0 BGCOLOR=000077><TR><TD>");
- wprintf("<FONT SIZE=+1 COLOR=\"FFFFFF\"");
- wprintf("<B>Real-time chat</B>\n");
- wprintf("</FONT></TD></TR></TABLE>\n");
-
- wprintf("A chat window should be appearing on your screen ");
- wprintf("momentarily. When you're ");
- wprintf("done, type <TT>/quit</TT> to exit. You can also ");
- wprintf("type <TT>/help</TT> for more commands.\n");
-
- wprintf("<applet codebase=\"/static\" ");
- wprintf("code=\"wcchat\" width=2 height=2>\n");
- wprintf("<PARAM NAME=username VALUE=\"%s\">\n", WC->wc_username);
- wprintf("<PARAM NAME=password VALUE=\"%s\">\n", WC->wc_password);
- wprintf("<PARAM NAME=roomname VALUE=\"%s\">\n", WC->wc_roomname);
- wprintf("<H2>Oops!</H2>Looks like your browser doesn't support Java, ");
- wprintf("so you won't be able to access Chat. Sorry.\n");
- wprintf("</applet>\n");
- wDumpContent(1);
+ /* First, check to make sure we're still allowed in this room. */
+ serv_printf("GOTO %s", WC->wc_roomname);
+ serv_gets(buf);
+ if (buf[0] != '2') {
+ smart_goto("_BASEROOM_");
+ return;
+ }
+
+ /* If the chat socket is still open from a previous chat,
+ * close it -- because it might be stale or in the wrong room.
+ */
+ if (WC->chat_sock < 0) {
+ close(WC->chat_sock);
+ WC->chat_sock = (-1);
+ }
+
+ /* WebCit Chat works by having transmit, receive, and refresh
+ * frames. Load the frameset.
+ */
+ do_template("chatframeset");
+ return;
}
*/
void page_popup(void)
{
- char buf[256];
- char pagefrom[256];
+ char buf[SIZ];
+ char pagefrom[SIZ];
- /* suppress express message check, do headers but no fake frames */
- output_headers(0x08 | 0x03);
+ /* suppress express message check, do headers but no banner */
+ output_headers(1, 1, 0, 0, 0, 1, 0);
while (serv_puts("GEXP"), serv_gets(buf), buf[0]=='1') {
extract(pagefrom, &buf[4], 3);
- wprintf("<TABLE WIDTH=100%% BORDER=0 BGCOLOR=007700><TR><TD>");
- wprintf("<FONT SIZE=+1 COLOR=\"FFFFFF\""
- "<B>Express message from ");
+ wprintf("<TABLE WIDTH=100%% BORDER=0 BGCOLOR=\"#444455\"><TR><TD>");
+ wprintf("<SPAN CLASS=\"titlebar\">Instant message from ");
escputs(pagefrom);
- wprintf("</B></FONT></TD></TR></TABLE>\n");
+ wprintf("</SPAN></TD></TR></TABLE>\n");
- fmout(NULL);
+ fmout(NULL, "LEFT");
}
- wprintf("<CENTER>"
- "<A HREF=\"javascript:window.close();\">"
+ wprintf("<CENTER>");
+ wprintf("<A HREF=\"/display_page&closewin=yes&recp=");
+ urlescputs(pagefrom);
+ wprintf("\">[ reply ]</A> \n");
+
+ wprintf("<A HREF=\"javascript:window.close();\">"
"[ close window ]</A></B>\n"
"</CENTER>");
}
+
+/*
+ * Support function for chat -- make sure the chat socket is connected
+ * and in chat mode.
+ */
+int setup_chat_socket(void) {
+ char buf[SIZ];
+ int i;
+ int good_chatmode = 0;
+
+ if (WC->chat_sock < 0) {
+
+ if (!strcasecmp(ctdlhost, "uds")) {
+ /* unix domain socket */
+ sprintf(buf, "%s/citadel.socket", ctdlport);
+ WC->chat_sock = uds_connectsock(buf);
+ }
+ else {
+ /* tcp socket */
+ WC->chat_sock = tcp_connectsock(ctdlhost, ctdlport);
+ }
+
+ if (WC->chat_sock < 0) {
+ return(errno);
+ }
+
+ /* Temporarily swap the serv and chat sockets during chat talk */
+ i = WC->serv_sock;
+ WC->serv_sock = WC->chat_sock;
+ WC->chat_sock = i;
+
+ serv_gets(buf);
+ if (buf[0] == '2') {
+ serv_printf("USER %s", WC->wc_username);
+ serv_gets(buf);
+ if (buf[0] == '3') {
+ serv_printf("PASS %s", WC->wc_password);
+ serv_gets(buf);
+ if (buf[0] == '2') {
+ serv_printf("GOTO %s", WC->wc_roomname);
+ serv_gets(buf);
+ if (buf[0] == '2') {
+ serv_puts("CHAT");
+ serv_gets(buf);
+ if (buf[0] == '8') {
+ good_chatmode = 1;
+ }
+ }
+ }
+ }
+ }
+
+ /* Unswap the sockets. */
+ i = WC->serv_sock;
+ WC->serv_sock = WC->chat_sock;
+ WC->chat_sock = i;
+
+ if (!good_chatmode) close(WC->serv_sock);
+
+ }
+ return(0);
+}
+
+
+
+/*
+ * Receiving side of the chat window. This is implemented in a
+ * tiny hidden IFRAME that just does JavaScript writes to
+ * other frames whenever it refreshes and finds new data.
+ */
+void chat_recv(void) {
+ int i;
+ struct pollfd pf;
+ int got_data = 0;
+ int end_chat_now = 0;
+ char buf[SIZ];
+ char cl_user[SIZ];
+ char cl_text[SIZ];
+ char *output_data = NULL;
+
+ output_headers(0, 0, 0, 0, 0, 0, 0);
+
+ wprintf("Content-type: text/html\n");
+ wprintf("\n");
+ wprintf("<html>\n"
+ "<head>\n"
+ "<meta http-equiv=\"refresh\" content=\"3\" />\n"
+ "</head>\n"
+
+ "<body bgcolor=\"#FFFFFF\">\n"
+ );
+
+ if (setup_chat_socket() != 0) {
+ wprintf("Error setting up chat socket</BODY></HTML>\n");
+ wDumpContent(0);
+ return;
+ }
+
+ /*
+ * See if there is any chat data waiting.
+ */
+ output_data = strdup("");
+ do {
+ got_data = 0;
+ pf.fd = WC->chat_sock;
+ pf.events = POLLIN;
+ pf.revents = 0;
+ if (poll(&pf, 1, 1) > 0) if (pf.revents & POLLIN) {
+ ++got_data;
+
+ /* Temporarily swap the serv and chat sockets during chat talk */
+ i = WC->serv_sock;
+ WC->serv_sock = WC->chat_sock;
+ WC->chat_sock = i;
+
+ serv_gets(buf);
+
+ if (!strcmp(buf, "000")) {
+ strcpy(buf, ":|exiting chat mode");
+ end_chat_now = 1;
+ }
+
+ /* Unswap the sockets. */
+ i = WC->serv_sock;
+ WC->serv_sock = WC->chat_sock;
+ WC->chat_sock = i;
+
+ /* Append our output data */
+ output_data = realloc(output_data, strlen(output_data) + strlen(buf) + 4);
+ strcat(output_data, buf);
+ strcat(output_data, "\n");
+ }
+
+ } while ( (got_data) && (!end_chat_now) );
+
+ if (end_chat_now) {
+ close(WC->chat_sock);
+ WC->chat_sock = (-1);
+ wprintf("<IMG SRC=\"/static/blank.gif\" onLoad=\"parent.window.close();\">\n");
+ }
+
+ if (strlen(output_data) > 0) {
+
+ if (output_data[strlen(output_data)-1] == '\n') {
+ output_data[strlen(output_data)-1] = 0;
+ }
+
+ /* Output our fun to the other frame. */
+ wprintf("<IMG SRC=\"/static/blank.gif\" WIDTH=1 HEIGHT=1\n"
+ "onLoad=\" \n"
+ );
+
+ for (i=0; i<num_tokens(output_data, '\n'); ++i) {
+ extract_token(buf, output_data, i, '\n');
+ extract_token(cl_user, buf, 0, '|');
+ extract_token(cl_text, buf, 1, '|');
+
+ if (strcasecmp(cl_text, "NOOP")) {
+
+ wprintf("parent.chat_transcript.document.write('");
+
+ if (strcasecmp(cl_user, WC->last_chat_user)) {
+ wprintf("<TABLE border=0 WIDTH=100%% "
+ "CELLSPACING=1 CELLPADDING=0 "
+ "BGCOLOR="#FFFFFF">"
+ "<TR><TD></TR></TD></TABLE>"
+ );
+
+ }
+
+ wprintf("<TABLE border=0 WIDTH=100%% "
+ "CELLSPACING=0 CELLPADDING=0 "
+ "BGCOLOR="#EEEEEE">");
+
+ wprintf("<TR><TD>");
+
+ if (!strcasecmp(cl_user, ":")) {
+ wprintf("<I>");
+ }
+
+ if (strcasecmp(cl_user, WC->last_chat_user)) {
+ wprintf("<B>");
+
+ if (!strcasecmp(cl_user, WC->wc_username)) {
+ wprintf("<FONT COLOR="#FF0000">");
+ }
+ else {
+ wprintf("<FONT COLOR="#0000FF">");
+ }
+ jsescputs(cl_user);
+
+ wprintf("</FONT>: </B>");
+ }
+ else {
+ wprintf(" ");
+ }
+ jsescputs(cl_text);
+ if (!strcasecmp(cl_user, ":")) {
+ wprintf("</I>");
+ }
+
+ wprintf("</TD></TR></TABLE>");
+ wprintf("'); \n");
+
+ strcpy(WC->last_chat_user, cl_user);
+ }
+ }
+
+ wprintf("parent.chat_transcript.scrollTo(999999,999999);\">\n");
+ }
+
+ free(output_data);
+
+ wprintf("</BODY></HTML>\n");
+ wDumpContent(0);
+}
+
+
+/*
+ * sending side of the chat window
+ */
+void chat_send(void) {
+ int i;
+ char send_this[SIZ];
+ char buf[SIZ];
+
+ output_headers(0, 0, 0, 0, 0, 0, 0);
+ wprintf("Content-type: text/html\n");
+ wprintf("\n");
+ wprintf("<HTML>"
+ "<BODY onLoad=\"document.chatsendform.send_this.focus();\" >"
+ );
+
+ if (bstr("send_this") != NULL) {
+ strcpy(send_this, bstr("send_this"));
+ }
+ else {
+ strcpy(send_this, "");
+ }
+
+ if (bstr("sendbutton") != NULL) {
+
+ if (!strcasecmp(bstr("sendbutton"), "Help")) {
+ strcpy(send_this, "/help");
+ }
+
+ if (!strcasecmp(bstr("sendbutton"), "List Users")) {
+ strcpy(send_this, "/who");
+ }
+
+ if (!strcasecmp(bstr("sendbutton"), "Exit")) {
+ strcpy(send_this, "/quit");
+ }
+
+ if (setup_chat_socket() != 0) {
+ wprintf("Error setting up chat socket</BODY></HTML>\n");
+ wDumpContent(0);
+ return;
+ }
+
+ /* Temporarily swap the serv and chat sockets during chat talk */
+ i = WC->serv_sock;
+ WC->serv_sock = WC->chat_sock;
+ WC->chat_sock = i;
+
+ while (strlen(send_this) > 0) {
+ if (strlen(send_this) < 67) {
+ serv_puts(send_this);
+ strcpy(send_this, "");
+ }
+ else {
+ for (i=55; i<67; ++i) {
+ if (send_this[i] == ' ') break;
+ }
+ strncpy(buf, send_this, i);
+ buf[i] = 0;
+ strcpy(send_this, &send_this[i]);
+ serv_puts(buf);
+ }
+ }
+
+ /* Unswap the sockets. */
+ i = WC->serv_sock;
+ WC->serv_sock = WC->chat_sock;
+ WC->chat_sock = i;
+
+ }
+
+ wprintf("<FORM METHOD=\"POST\" ACTION=\"/chat_send\" NAME=\"chatsendform\">\n");
+ wprintf("<INPUT TYPE=\"text\" SIZE=\"80\" MAXLENGTH=\"%d\" "
+ "NAME=\"send_this\">\n", SIZ-10);
+ wprintf("<br />");
+ wprintf("<INPUT TYPE=\"submit\" NAME=\"sendbutton\" VALUE=\"Send\">\n");
+ wprintf("<INPUT TYPE=\"submit\" NAME=\"sendbutton\" VALUE=\"Help\">\n");
+ wprintf("<INPUT TYPE=\"submit\" NAME=\"sendbutton\" VALUE=\"List Users\">\n");
+ wprintf("<INPUT TYPE=\"submit\" NAME=\"sendbutton\" VALUE=\"Exit\">\n");
+ wprintf("</FORM>\n");
+
+ wprintf("</BODY></HTML>\n");
+ wDumpContent(0);
+}
+
+