#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>
output_headers(1);
- wprintf("<TABLE WIDTH=100%% BORDER=0 BGCOLOR=\"#000077\"><TR><TD>");
- wprintf("<SPAN CLASS=\"titlebar\">Real-time chat</SPAN>\n");
- wprintf("</TD></TR></TABLE>\n");
-
- if (!strcasecmp(ctdlhost, "uds")) {
- wprintf("<I>Sorry ... chat is not available here.</i></BR>\n");
- }
- else {
- 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");
- }
+ wprintf("<TABLE WIDTH=100%% BORDER=0 BGCOLOR=\"#000077\"><TR><TD>"
+ "<SPAN CLASS=\"titlebar\">Real-time chat</SPAN>\n"
+ "</TD></TR></TABLE>\n"
+ "<IFRAME WIDTH=100%% HEIGHT=200 SRC=\"/chat_recv\" "
+ "NAME=\"chat_recv\">\n"
+ "<!-- Alternate content for non-supporting browsers -->\n"
+ "If you are seeing this message, your browser does not contain\n"
+ "the IFRAME support required for the chat window. Please upgrade\n"
+ "to a supported browser, such as\n"
+ "<A HREF=\"http://www.mozilla.org\">Mozilla</A>.\n"
+ "</IFRAME>\n"
+ "<HR width=100%%>\n"
+ "<IFRAME WIDTH=100%% HEIGHT=50 SRC=\"/chat_send\" "
+ "NAME=\"chat_send\">\n"
+ "</IFRAME>\n"
+ );
wDumpContent(1);
}
}
+
+/*
+ * 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) {
+
+ for (i=0; i<CHATLINES; ++i) {
+ strcpy(WC->chatlines[i], "");
+ }
+
+ 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
+ */
+void chat_recv(void) {
+ int i;
+ char name[SIZ];
+ char text[SIZ];
+ struct pollfd pf;
+ int got_data = 0;
+ int end_chat_now = 0;
+
+ output_headers(0);
+
+ wprintf("Content-type: text/html\n");
+ wprintf("\n");
+ wprintf("<HTML>\n"
+ "<HEAD>\n"
+ "<META HTTP-EQUIV=\"refresh\" CONTENT=\"3\">\n"
+ "</HEAD>\n"
+ "<BODY>"
+ );
+
+ 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.
+ */
+ 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;
+
+ for (i=0; i<CHATLINES-1; ++i) {
+ strcpy(WC->chatlines[i], WC->chatlines[i+1]);
+ }
+
+ /* 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(WC->chatlines[CHATLINES-1]);
+ if (!strcmp(WC->chatlines[CHATLINES-1], "000")) {
+ end_chat_now = 1;
+ strcpy(WC->chatlines[CHATLINES-1], ":|exiting chat mode");
+ }
+
+ /* Unswap the sockets. */
+ i = WC->serv_sock;
+ WC->serv_sock = WC->chat_sock;
+ WC->chat_sock = i;
+ }
+ } while ( (got_data) && (!end_chat_now) );
+
+ /*
+ * Display appropriately.
+ */
+ for (i=0; i<CHATLINES; ++i) {
+ if (strlen(WC->chatlines[i]) > 0) {
+ extract(name, WC->chatlines[i], 0);
+ extract(text, WC->chatlines[i], 1);
+ if (!strcasecmp(name, WC->wc_username)) {
+ wprintf("<FONT COLOR=\"#00FF00\">");
+ }
+ else if (!strcmp(name, ":")) {
+ wprintf("<FONT COLOR=\"#FF0000\">");
+ }
+ else {
+ wprintf("<FONT COLOR=\"#0000FF\">");
+ }
+ escputs(name);
+ wprintf(": </FONT>");
+ escputs(text);
+ wprintf("<BR>\n");
+ }
+ }
+
+ if (end_chat_now) {
+ close(WC->chat_sock);
+ WC->chat_sock = (-1);
+ wprintf("<IMG SRC=\"/static/blank.gif\" onLoad=\"top.location.replace('/do_welcome');\">\n");
+ }
+
+ wprintf("</BODY></HTML>\n");
+ wDumpContent(0);
+}
+
+
+/*
+ * sending side of the chat window
+ */
+void chat_send(void) {
+ int i;
+ char send_this[SIZ];
+
+ output_headers(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"), "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;
+
+ serv_puts(send_this);
+
+ /* Unswap the sockets. */
+ i = WC->serv_sock;
+ WC->serv_sock = WC->chat_sock;
+ WC->chat_sock = i;
+
+ }
+
+ wprintf("Send: ");
+ wprintf("<FORM METHOD=\"POST\" ACTION=\"/chat_send\" NAME=\"chatsendform\">\n");
+ wprintf("<INPUT TYPE=\"text\" SIZE=\"80\" MAXLENGTH=\"80\" NAME=\"send_this\">\n");
+ wprintf("<INPUT TYPE=\"submit\" NAME=\"sendbutton\" VALUE=\"Send\">\n");
+ wprintf("<INPUT TYPE=\"submit\" NAME=\"sendbutton\" VALUE=\"Exit\">\n");
+ wprintf("</FORM>\n");
+
+ wprintf("</BODY></HTML>\n");
+ wDumpContent(0);
+}
+
+
projects / citadel.git / blobdiff