#include "child.h"
#include "mime_parser.h"
-int wc_session;
-char wc_username[256];
-char wc_password[256];
-char wc_roomname[256];
int TransactionCount = 0;
-int connected = 0;
-int logged_in = 0;
-int axlevel;
char *ExpressMessages = NULL;
-int noframes = 0;
+
+/* This variable is set to 1 if the room banner and menubar have been
+ * displayed, and we need to close the <TABLE> tags.
+ */
+int fake_frames = 0;
struct webcontent *wlist = NULL;
struct webcontent *wlast = NULL;
static const char *defaulthost = DEFAULT_HOST;
static const char *defaultport = DEFAULT_PORT;
-int upload_length = 0;
-char *upload;
+struct wcsession *WC = NULL; /* FIX take this out when multithreaded */
+
void unescape_input(char *buf)
{
int a, b;
* calculate a Content-length: header.
*
* print_standard_html_footer should be set to 0 to transmit only, 1 to
- * append the main menu (if in noframes mode) and closing tags, or 2 to
+ * append the main menu and closing tags, or 2 to
* append the closing tags only.
*/
void wDumpContent(int print_standard_html_footer)
{
struct webcontent *wptr;
+ if (fake_frames) {
+ wprintf("<CENTER><FONT SIZE=-1>"
+ "<TABLE border=0 width=100%><TR>"
+ "<TD><A HREF=\"/ungoto\">"
+ "<IMG SRC=\"/static/back.gif\" BORDER=0>"
+ "Ungoto</A></TD>");
+ wprintf("<TD><A HREF=\"#TheTop\">"
+ "<IMG SRC=\"/static/up.gif\" BORDER=0>"
+ "Top of page</A></TD>");
+ wprintf("<TD><A HREF=\"/display_enter\">"
+ "<IMG SRC=\"/static/enter.gif\" BORDER=0>"
+ "Enter a message</A></TD>");
+ wprintf("<TD><A HREF=\"/gotonext\">"
+ "Goto next room"
+ "<IMG SRC=\"/static/forward.gif\" BORDER=0></A></TD>"
+ "</TR></TABLE>"
+ "</FONT>\n"
+ "</TD></TR></TABLE></TABLE>\n");
+ fake_frames = 0;
+ }
+
if (print_standard_html_footer) {
- if ((noframes) && (print_standard_html_footer != 2)) {
+ if (print_standard_html_footer != 2) {
wprintf("<BR>");
- embed_main_menu();
}
wprintf("</BODY></HTML>\n");
}
wprintf(">");
else if (strbuf[a] == '&')
wprintf("&");
- else if (strbuf[a] == 34)
+ else if (strbuf[a] == '\"')
wprintf(""");
+ else if (strbuf[a] == '\'')
+ wprintf("'");
else if (strbuf[a] == LB)
wprintf("<");
else if (strbuf[a] == RB)
}
+
+
+/*
+ * Get a line of text from the webserver (which originally came from the
+ * user's browser), checking for sanity etc.
+ */
char *getz(char *buf)
{
+ int e = 0;
+
bzero(buf, 256);
+
+ /* If fgets() fails, it's because the webserver crashed, so kill off
+ * the session too.
+ */
if (fgets(buf, 256, stdin) == NULL) {
- strcpy(buf, "");
- return NULL;
+ e = errno;
+ fprintf(stderr, "webcit: exit code %d (%s)\n",
+ e, strerror(e));
+ fflush(stderr);
+ exit(e);
+
+ /* Otherwise, strip out nonprintables and resume our happy day.
+ */
} else {
while ((strlen(buf) > 0) && (!isprint(buf[strlen(buf) - 1])))
buf[strlen(buf) - 1] = 0;
}
}
+
+
/*
* Output all that important stuff that the browser will want to see
*
- * If print_standard_html_head is nonzero, we also get some standard HTML
- * headers. If it's set to 2, the session is considered to be closing.
+ * print_standard_html_head values:
+ * 0 = Nothing. Do not display any leading HTTP or HTML.
+ * 1 = HTTP headers plus the "fake frames" found in most windows.
+ * 2 = HTTP headers required to terminate the session (unset cookies)
+ * 3 = HTTP headers only.
*/
-void output_headers(int print_standard_html_head, char *target)
+void output_headers(int print_standard_html_head)
{
static char *unset = "; expires=28-May-1971 18:10:00 GMT";
printf("Server: %s\n", SERVER);
printf("Connection: close\n");
- if ((strlen(target) > 0) && (noframes == 0)) {
- printf("Window-target: %s\n", target);
- }
if (print_standard_html_head > 0) {
printf("Pragma: no-cache\n");
printf("Cache-Control: no-store\n");
}
- stuff_to_cookie(cookie, wc_session, wc_username, wc_password,
- wc_roomname, noframes);
+ stuff_to_cookie(cookie, WC->wc_session, WC->wc_username,
+ WC->wc_password, WC->wc_roomname);
if (print_standard_html_head == 2) {
printf("X-WebCit-Session: close\n");
printf("Set-cookie: webcit=%s\n", unset);
if (print_standard_html_head > 0) {
wprintf("<HTML><HEAD><TITLE>");
- escputs("WebCit"); /* FIX -- add BBS name here */
- wprintf("</TITLE></HEAD>");
+ escputs(serv_info.serv_humannode);
+ wprintf("</TITLE>\n"
+ "<META HTTP-EQUIV=\"Pragma\" CONTENT=\"no-cache\">\n"
+ "</HEAD>\n");
if (ExpressMessages != NULL) {
wprintf("<SCRIPT language=\"javascript\">\n");
wprintf("function ExpressMessage() {\n");
wprintf("\")\n");
wprintf(" }\n </SCRIPT>\n");
}
+
+
+
+ /* JavaScript key-based navigation would go here if it
+ * were finished
+ */
+
wprintf("<BODY ");
if (ExpressMessages != NULL) {
wprintf("onload=\"ExpressMessage()\" ");
ExpressMessages = NULL;
}
wprintf("BACKGROUND=\"/image&name=background\" TEXT=\"#000000\" LINK=\"#004400\">\n");
+
+
+ if (print_standard_html_head == 1) {
+ wprintf("<A NAME=\"TheTop\"></A>"
+ "<TABLE border=0 width=100%>"
+ "<TR VALIGN=TOP><TD>");
+
+ display_menubar(0);
+
+ wprintf("</TD><TD VALIGN=TOP>"
+ "<TABLE border=0 width=100%><TR VALIGN=TOP>"
+ "<TD>\n");
+
+ embed_room_banner(NULL);
+
+ wprintf("</TD></TR><TR VALIGN=TOP><TD>\n");
+
+ fake_frames = 1;
+ }
}
}
+void ExpressMessageCat(char *buf) {
+ if (ExpressMessages == NULL) {
+ ExpressMessages = malloc(strlen(buf) + 4);
+ strcpy(ExpressMessages, "");
+ } else {
+ ExpressMessages = realloc(ExpressMessages,
+ (strlen(ExpressMessages) + strlen(buf) + 4));
+ }
+ strcat(ExpressMessages, buf);
+ strcat(ExpressMessages, "\\n");
+}
+
void check_for_express_messages()
{
serv_gets(buf);
if (buf[0] == '1') {
while (serv_gets(buf), strcmp(buf, "000")) {
- if (ExpressMessages == NULL) {
- ExpressMessages = malloc(strlen(buf) + 4);
- strcpy(ExpressMessages, "");
- } else {
- ExpressMessages = realloc(ExpressMessages,
- (strlen(ExpressMessages) + strlen(buf) + 4));
- }
- strcat(ExpressMessages, buf);
- strcat(ExpressMessages, "\\n");
+ ExpressMessageCat(buf);
}
}
}
fp = fopen(buf, "rb");
if (fp == NULL) {
printf("HTTP/1.0 404 %s\n", strerror(errno));
- output_headers(0, "");
+ output_headers(0);
printf("Content-Type: text/plain\n");
sprintf(buf, "%s: %s\n", what, strerror(errno));
printf("Content-length: %d\n", strlen(buf));
fwrite(buf, strlen(buf), 1, stdout);
} else {
printf("HTTP/1.0 200 OK\n");
- output_headers(0, "");
+ output_headers(0);
if (!strncasecmp(&what[strlen(what) - 4], ".gif", 4))
printf("Content-type: image/gif\n");
+ else if (!strncasecmp(&what[strlen(what) - 4], ".txt", 4))
+ printf("Content-type: text/plain\n");
else if (!strncasecmp(&what[strlen(what) - 4], ".jpg", 4))
printf("Content-type: image/jpeg\n");
else if (!strncasecmp(&what[strlen(what) - 5], ".html", 5))
if (buf[0] == '2') {
bytes = extract_long(&buf[4], 0);
printf("HTTP/1.0 200 OK\n");
- output_headers(0, "");
+ output_headers(0);
printf("Content-type: image/gif\n");
printf("Content-length: %ld\n", (long) bytes);
printf("\n");
serv_gets(buf);
} else {
printf("HTTP/1.0 404 %s\n", strerror(errno));
- output_headers(0, "");
+ output_headers(0);
printf("Content-Type: text/plain\n");
sprintf(buf, "Error retrieving image\n");
printf("Content-length: %d\n", strlen(buf));
void convenience_page(char *titlebarcolor, char *titlebarmsg, char *messagetext)
{
printf("HTTP/1.0 200 OK\n");
- output_headers(1, "bottom");
+ output_headers(1);
wprintf("<TABLE WIDTH=100% BORDER=0 BGCOLOR=%s><TR><TD>", titlebarcolor);
wprintf("<FONT SIZE=+1 COLOR=\"FFFFFF\"");
wprintf("<B>%s</B>\n", titlebarmsg);
wprintf("</FONT></TD></TR></TABLE><BR>\n");
escputs(messagetext);
- if (noframes) {
- wprintf("<HR>\n");
- embed_main_menu();
- }
+ wprintf("<HR>\n");
+ embed_main_menu();
wDumpContent(1);
}
fprintf(stderr, " length = %d\n", length);
if (strlen(name) > 0) {
- upload = malloc(length);
- if (upload != NULL) {
- upload_length = length;
- memcpy(upload, content, length);
+ WC->upload = malloc(length);
+ if (WC->upload != NULL) {
+ WC->upload_length = length;
+ memcpy(WC->upload, content, length);
}
}
}
-void session_loop(char *browser_host)
+void session_loop(char *browser_host, char *user_agent)
{
char cmd[256];
char action[256];
strcpy(c_password, "");
strcpy(c_roomname, "");
- upload_length = 0;
- upload = NULL;
+ WC->upload_length = 0;
+ WC->upload = NULL;
if (getz(cmd) == NULL)
return;
if (!strncasecmp(buf, "Cookie: webcit=", 15)) {
strcpy(cookie, &buf[15]);
cookie_to_stuff(cookie, NULL,
- c_username, c_password, c_roomname,
- &noframes);
+ c_username, c_password, c_roomname);
}
if (!strncasecmp(buf, "Content-length: ", 16)) {
ContentLength = atoi(&buf[16]);
cmd[a] = 0;
}
/*
- * If we're not connected to a Citadel server, try to hook up the
+ * If we're not WC->connected to a Citadel server, try to hook up the
* connection now. Preference is given to the host and port specified
* by browser cookies, if cookies have been supplied.
*/
- if (!connected) {
+ if (!WC->connected) {
if (strlen(bstr("host")) > 0)
strcpy(c_host, bstr("host"));
if (strlen(bstr("port")) > 0)
strcpy(c_port, bstr("port"));
- serv_sock = connectsock(c_host, c_port, "tcp");
- connected = 1;
+ WC->serv_sock = connectsock(c_host, c_port, "tcp");
+ if (WC->serv_sock < 0) {
+ do_logout();
+ }
+
+ WC->connected = 1;
serv_gets(buf); /* get the server welcome message */
- get_serv_info(browser_host);
+ get_serv_info(browser_host, user_agent);
}
check_for_express_messages();
* If we're not logged in, but we have username and password cookies
* supplied by the browser, try using them to log in.
*/
- if ((!logged_in) && (strlen(c_username) > 0) && (strlen(c_password) > 0)) {
+ if ((!WC->logged_in) && (strlen(c_username) > 0) && (strlen(c_password) > 0)) {
serv_printf("USER %s", c_username);
serv_gets(buf);
if (buf[0] == '3') {
* If we don't have a current room, but a cookie specifying the
* current room is supplied, make an effort to go there.
*/
- if ((strlen(wc_roomname) == 0) && (strlen(c_roomname) > 0)) {
+ if ((strlen(WC->wc_roomname) == 0) && (strlen(c_roomname) > 0)) {
serv_printf("GOTO %s", c_roomname);
serv_gets(buf);
if (buf[0] == '2') {
- strcpy(wc_roomname, c_roomname);
+ strcpy(WC->wc_roomname, c_roomname);
}
}
if (!strcasecmp(action, "static")) {
output_static(buf);
} else if (!strcasecmp(action, "image")) {
output_image();
- } else if ((!logged_in) && (!strcasecmp(action, "login"))) {
+ } else if ((!WC->logged_in) && (!strcasecmp(action, "login"))) {
do_login();
- } else if (!logged_in) {
+ } else if (!WC->logged_in) {
display_login(NULL);
}
/* Various commands... */
ungoto();
} else if (!strcasecmp(action, "dotgoto")) {
slrp_highest();
- gotoroom(bstr("room"), 1);
+ smart_goto(bstr("room"));
} else if (!strcasecmp(action, "termquit")) {
do_logout();
} else if (!strcasecmp(action, "readnew")) {
} else if (!strcasecmp(action, "editinfo")) {
save_edit("Room info", "EINF 1", 1);
} else if (!strcasecmp(action, "display_editbio")) {
- sprintf(buf, "RBIO %s", wc_username);
+ sprintf(buf, "RBIO %s", WC->wc_username);
display_edit("Your bio", "NOOP", buf, "editbio");
} else if (!strcasecmp(action, "editbio")) {
save_edit("Your bio", "EBIO", 0);
} else if (!strcasecmp(action, "share")) {
share();
} else if (!strcasecmp(action, "terminate_session")) {
+ slrp_highest();
terminate_session();
} else if (!strcasecmp(action, "edit_me")) {
edit_me();
display_generic();
} else if (!strcasecmp(action, "do_generic")) {
do_generic();
- }
- /* When all else fails... */
- else {
+ } else if (!strcasecmp(action, "display_menubar")) {
+ display_menubar(1);
+ } else if (!strcasecmp(action, "diagnostics")) {
printf("HTTP/1.0 200 OK\n");
- output_headers(1, "");
+ output_headers(1);
wprintf("TransactionCount is %d<BR>\n", TransactionCount);
- wprintf("You're in session %d<HR>\n", wc_session);
+ wprintf("You're in session %d<HR>\n", WC->wc_session);
wprintf("Command: <BR><PRE>\n");
escputs(cmd);
wprintf("</PRE><HR>\n");
wprintf("</PRE><HR>\n");
wDumpContent(1);
}
+ /* When all else fais, display the main menu. */
+ else {
+ display_main_menu();
+ }
fflush(stdout);
if (content != NULL) {
content = NULL;
}
free_urls();
- if (upload_length > 0) {
- free(upload);
- upload_length = 0;
+ if (WC->upload_length > 0) {
+ free(WC->upload);
+ WC->upload_length = 0;
}
}
argc);
return 1;
}
- wc_session = atoi(argv[1]);
+
+ WC = (struct wcsession *) malloc(sizeof(struct wcsession));
+ memset(WC, 0, sizeof(struct wcsession));
+
+
+
+ WC->wc_session = atoi(argv[1]);
defaulthost = argv[2];
defaultport = argv[3];
- strcpy(wc_username, "");
- strcpy(wc_password, "");
- strcpy(wc_roomname, "");
+ strcpy(WC->wc_username, "");
+ strcpy(WC->wc_password, "");
+ strcpy(WC->wc_roomname, "");
+
+ /* Clear out serv_info and temporarily set the value of serv_humannode
+ * to a default value, because it'll be used in HTML page titles
+ */
+ memset(&serv_info, 0, sizeof(serv_info));
+ strcpy(serv_info.serv_humannode, "WebCit");
strcpy(browser, argv[5]);
bd = browser_braindamage_check(browser);
- if (bd == B_NO)
- noframes = 1;
- else
- noframes = 0;
while (1) {
- session_loop(argv[4]);
+ session_loop(argv[4], browser);
}
}
projects / citadel.git / blobdiff