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Diffstat (limited to 'krfb/libvncserver/httpd.c')
-rw-r--r--krfb/libvncserver/httpd.c423
1 files changed, 0 insertions, 423 deletions
diff --git a/krfb/libvncserver/httpd.c b/krfb/libvncserver/httpd.c
deleted file mode 100644
index 17472015..00000000
--- a/krfb/libvncserver/httpd.c
+++ /dev/null
@@ -1,423 +0,0 @@
-/*
- * httpd.c - a simple HTTP server
- */
-
-/*
- * Copyright (C) 1999 AT&T Laboratories Cambridge. All Rights Reserved.
- *
- * This is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This software 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this software; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
- * USA.
- */
-
-#include <stdio.h>
-#include <sys/types.h>
-#ifdef WIN32
-#include <winsock.h>
-#define close closesocket
-#else
-#include <sys/time.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <netinet/tcp.h>
-#include <netdb.h>
-#include <pwd.h>
-#include <arpa/inet.h>
-#include <unistd.h>
-#endif
-#include <fcntl.h>
-#include <errno.h>
-#ifdef __osf__
-typedef int socklen_t;
-#endif
-
-#ifdef USE_LIBWRAP
-#include <tcpd.h>
-#endif
-
-#include "rfb.h"
-
-#define NOT_FOUND_STR "HTTP/1.0 404 Not found\n\n" \
- "<HEAD><TITLE>File Not Found</TITLE></HEAD>\n" \
- "<BODY><H1>File Not Found</H1></BODY>\n"
-
-#define OK_STR "HTTP/1.0 200 OK\nContent-Type: text/html\n\n"
-
-static void httpProcessInput();
-static Bool compareAndSkip(char **ptr, const char *str);
-
-/*
-int httpPort = 0;
-char *httpDir = NULL;
-
-int httpListenSock = -1;
-int httpSock = -1;
-FILE* httpFP = NULL;
-*/
-
-#define BUF_SIZE 32768
-
-static char buf[BUF_SIZE];
-static size_t buf_filled=0;
-
-
-/*
- * httpInitSockets sets up the TCP socket to listen for HTTP connections.
- */
-
-void
-httpInitSockets(rfbScreenInfoPtr rfbScreen)
-{
- if (rfbScreen->httpInitDone)
- return;
-
- rfbScreen->httpInitDone = TRUE;
-
- if (!rfbScreen->httpDir)
- return;
-
- if (rfbScreen->httpPort == 0) {
- rfbScreen->httpPort = rfbScreen->rfbPort-100;
- }
-
- rfbLog("Listening for HTTP connections on TCP port %d\n", rfbScreen->httpPort);
-
- rfbLog(" URL http://%s:%d\n",rfbScreen->rfbThisHost,rfbScreen->httpPort);
-
- if ((rfbScreen->httpListenSock = ListenOnTCPPort(rfbScreen->httpPort)) < 0) {
- rfbLogPerror("ListenOnTCPPort");
- exit(1);
- }
-
- /*AddEnabledDevice(httpListenSock);*/
-}
-
-
-/*
- * httpCheckFds is called from ProcessInputEvents to check for input on the
- * HTTP socket(s). If there is input to process, httpProcessInput is called.
- */
-
-void
-httpCheckFds(rfbScreenInfoPtr rfbScreen)
-{
- int nfds;
- fd_set fds;
- struct timeval tv;
- struct sockaddr_in addr;
- size_t addrlen = sizeof(addr);
-
- if (!rfbScreen->httpDir)
- return;
-
- FD_ZERO(&fds);
- FD_SET(rfbScreen->httpListenSock, &fds);
- if (rfbScreen->httpSock >= 0) {
- FD_SET(rfbScreen->httpSock, &fds);
- }
- tv.tv_sec = 0;
- tv.tv_usec = 0;
- nfds = select(max(rfbScreen->httpSock,rfbScreen->httpListenSock) + 1, &fds, NULL, NULL, &tv);
- if (nfds == 0) {
- return;
- }
- if (nfds < 0) {
-#ifdef WIN32
- errno = WSAGetLastError();
-#endif
- rfbLogPerror("httpCheckFds: select");
- return;
- }
-
- if ((rfbScreen->httpSock >= 0) && FD_ISSET(rfbScreen->httpSock, &fds)) {
- httpProcessInput(rfbScreen);
- }
-
- if (FD_ISSET(rfbScreen->httpListenSock, &fds)) {
- int flags;
- if (rfbScreen->httpSock >= 0) close(rfbScreen->httpSock);
-
- if ((rfbScreen->httpSock = accept(rfbScreen->httpListenSock,
- (struct sockaddr *)&addr, &addrlen)) < 0) {
- rfbLogPerror("httpCheckFds: accept");
- return;
- }
-#ifdef USE_LIBWRAP
- if(!hosts_ctl("vnc",STRING_UNKNOWN,inet_ntoa(addr.sin_addr),
- STRING_UNKNOWN)) {
- rfbLog("Rejected connection from client %s\n",
- inet_ntoa(addr.sin_addr));
-#else
- if ((rfbScreen->httpFP = fdopen(rfbScreen->httpSock, "r+")) == NULL) {
- rfbLogPerror("httpCheckFds: fdopen");
-#endif
- close(rfbScreen->httpSock);
- rfbScreen->httpSock = -1;
- return;
- }
- flags=fcntl(rfbScreen->httpSock,F_GETFL);
- if(flags==-1 ||
- fcntl(rfbScreen->httpSock,F_SETFL,flags|O_NONBLOCK)==-1) {
- rfbLogPerror("httpCheckFds: fcntl");
- close(rfbScreen->httpSock);
- rfbScreen->httpSock=-1;
- return;
- }
-
- /*AddEnabledDevice(httpSock);*/
- }
-}
-
-
-static void
-httpCloseSock(rfbScreenInfoPtr rfbScreen)
-{
- fclose(rfbScreen->httpFP);
- rfbScreen->httpFP = NULL;
- /*RemoveEnabledDevice(httpSock);*/
- rfbScreen->httpSock = -1;
-}
-
-static rfbClientRec cl;
-
-/*
- * httpProcessInput is called when input is received on the HTTP socket.
- */
-
-static void
-httpProcessInput(rfbScreenInfoPtr rfbScreen)
-{
- struct sockaddr_in addr;
- size_t addrlen = sizeof(addr);
- char fullFname[256];
- char *fname;
- unsigned int maxFnameLen;
- FILE* fd;
- Bool performSubstitutions = FALSE;
- char str[256];
-#ifndef WIN32
- struct passwd *user = getpwuid(getuid());
-#endif
-
- cl.sock=rfbScreen->httpSock;
-
- if (strlen(rfbScreen->httpDir) > 200) {
- rfbLog("-httpd directory too long\n");
- httpCloseSock(rfbScreen);
- return;
- }
- strcpy(fullFname, rfbScreen->httpDir);
- fname = &fullFname[strlen(fullFname)];
- maxFnameLen = 255 - strlen(fullFname);
-
- /* Read data from the HTTP client until we get a complete request. */
- while (1) {
- ssize_t got = read (rfbScreen->httpSock, buf + buf_filled,
- sizeof (buf) - buf_filled - 1);
-
- if (got <= 0) {
- if (got == 0) {
- rfbLog("httpd: premature connection close\n");
- } else {
- if (errno == EAGAIN) {
- return;
- }
- rfbLogPerror("httpProcessInput: read");
- }
- httpCloseSock(rfbScreen);
- return;
- }
-
- buf_filled += got;
- buf[buf_filled] = '\0';
-
- /* Is it complete yet (is there a blank line)? */
- if (strstr (buf, "\r\r") || strstr (buf, "\n\n") ||
- strstr (buf, "\r\n\r\n") || strstr (buf, "\n\r\n\r"))
- break;
- }
-
-
- /* Process the request. */
- if (strncmp(buf, "GET ", 4)) {
- rfbLog("no GET line\n");
- httpCloseSock(rfbScreen);
- return;
- } else {
- /* Only use the first line. */
- buf[strcspn(buf, "\n\r")] = '\0';
- }
-
- if (strlen(buf) > maxFnameLen) {
- rfbLog("GET line too long\n");
- httpCloseSock(rfbScreen);
- return;
- }
-
- if (sscanf(buf, "GET %s HTTP/1.0", fname) != 1) {
- rfbLog("couldn't parse GET line\n");
- httpCloseSock(rfbScreen);
- return;
- }
-
- if (fname[0] != '/') {
- rfbLog("filename didn't begin with '/'\n");
- WriteExact(&cl, NOT_FOUND_STR, strlen(NOT_FOUND_STR));
- httpCloseSock(rfbScreen);
- return;
- }
-
- if (strchr(fname+1, '/') != NULL) {
- rfbLog("asking for file in other directory\n");
- WriteExact(&cl, NOT_FOUND_STR, strlen(NOT_FOUND_STR));
- httpCloseSock(rfbScreen);
- return;
- }
-
- getpeername(rfbScreen->httpSock, (struct sockaddr *)&addr, &addrlen);
- rfbLog("httpd: get '%s' for %s\n", fname+1,
- inet_ntoa(addr.sin_addr));
-
- /* If we were asked for '/', actually read the file index.vnc */
-
- if (strcmp(fname, "/") == 0) {
- strcpy(fname, "/index.vnc");
- rfbLog("httpd: defaulting to '%s'\n", fname+1);
- }
-
- /* Substitutions are performed on files ending .vnc */
-
- if (strlen(fname) >= 4 && strcmp(&fname[strlen(fname)-4], ".vnc") == 0) {
- performSubstitutions = TRUE;
- }
-
- /* Open the file */
-
- if ((fd = fopen(fullFname, "r")) <= 0) {
- rfbLogPerror("httpProcessInput: open");
- WriteExact(&cl, NOT_FOUND_STR, strlen(NOT_FOUND_STR));
- httpCloseSock(rfbScreen);
- return;
- }
-
- WriteExact(&cl, OK_STR, strlen(OK_STR));
-
- while (1) {
- int n = fread(buf, 1, BUF_SIZE-1, fd);
- if (n < 0) {
- rfbLogPerror("httpProcessInput: read");
- fclose(fd);
- httpCloseSock(rfbScreen);
- return;
- }
-
- if (n == 0)
- break;
-
- if (performSubstitutions) {
-
- /* Substitute $WIDTH, $HEIGHT, etc with the appropriate values.
- This won't quite work properly if the .vnc file is longer than
- BUF_SIZE, but it's reasonable to assume that .vnc files will
- always be short. */
-
- char *ptr = buf;
- char *dollar;
- buf[n] = 0; /* make sure it's null-terminated */
-
- while ((dollar = strchr(ptr, '$'))!=NULL) {
- WriteExact(&cl, ptr, (dollar - ptr));
-
- ptr = dollar;
-
- if (compareAndSkip(&ptr, "$WIDTH")) {
-
- sprintf(str, "%d", rfbScreen->width);
- WriteExact(&cl, str, strlen(str));
-
- } else if (compareAndSkip(&ptr, "$HEIGHT")) {
-
- sprintf(str, "%d", rfbScreen->height);
- WriteExact(&cl, str, strlen(str));
-
- } else if (compareAndSkip(&ptr, "$APPLETWIDTH")) {
-
- sprintf(str, "%d", rfbScreen->width);
- WriteExact(&cl, str, strlen(str));
-
- } else if (compareAndSkip(&ptr, "$APPLETHEIGHT")) {
-
- sprintf(str, "%d", rfbScreen->height + 32);
- WriteExact(&cl, str, strlen(str));
-
- } else if (compareAndSkip(&ptr, "$PORT")) {
-
- sprintf(str, "%d", rfbScreen->rfbPort);
- WriteExact(&cl, str, strlen(str));
-
- } else if (compareAndSkip(&ptr, "$DESKTOP")) {
-
- WriteExact(&cl, rfbScreen->desktopName, strlen(rfbScreen->desktopName));
-
- } else if (compareAndSkip(&ptr, "$DISPLAY")) {
-
- sprintf(str, "%s:%d", rfbScreen->rfbThisHost, rfbScreen->rfbPort-5900);
- WriteExact(&cl, str, strlen(str));
-
- } else if (compareAndSkip(&ptr, "$USER")) {
-#ifndef WIN32
- if (user) {
- WriteExact(&cl, user->pw_name,
- strlen(user->pw_name));
- } else
-#endif
- WriteExact(&cl, "?", 1);
- } else {
- if (!compareAndSkip(&ptr, "$$"))
- ptr++;
-
- if (WriteExact(&cl, "$", 1) < 0) {
- fclose(fd);
- httpCloseSock(rfbScreen);
- return;
- }
- }
- }
- if (WriteExact(&cl, ptr, (&buf[n] - ptr)) < 0)
- break;
-
- } else {
-
- /* For files not ending .vnc, just write out the buffer */
-
- if (WriteExact(&cl, buf, n) < 0)
- break;
- }
- }
-
- fclose(fd);
- httpCloseSock(rfbScreen);
-}
-
-
-static Bool
-compareAndSkip(char **ptr, const char *str)
-{
- if (strncmp(*ptr, str, strlen(str)) == 0) {
- *ptr += strlen(str);
- return TRUE;
- }
-
- return FALSE;
-}
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