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author | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2015-01-10 16:02:54 -0600 |
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committer | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2015-01-10 16:02:54 -0600 |
commit | f6187cc4eb8a8726f5b64f0c640ac8d2355b85eb (patch) | |
tree | d5c3b93286335d890339446d15e35c9cc97703d1 /krfb/libvncserver/httpd.c | |
parent | dedd07e78dee71fd8cde6a39e2ccc89fdbb8a782 (diff) | |
download | tdenetwork-f6187cc4eb8a8726f5b64f0c640ac8d2355b85eb.tar.gz tdenetwork-f6187cc4eb8a8726f5b64f0c640ac8d2355b85eb.zip |
Port to standard shared libvncserver and delete old buggy libvncserver library sources
Note that this DOES NOT WORK as some TDE-specific changes to libvncserver will be required
The commit is a "clean slate" for the TDE-specific changes to follow
Diffstat (limited to 'krfb/libvncserver/httpd.c')
-rw-r--r-- | krfb/libvncserver/httpd.c | 423 |
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; -} |