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Diffstat (limited to 'Lib/dos_8x3/cgihttps.py')
| -rwxr-xr-x | Lib/dos_8x3/cgihttps.py | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/Lib/dos_8x3/cgihttps.py b/Lib/dos_8x3/cgihttps.py deleted file mode 100755 index 85e1721..0000000 --- a/Lib/dos_8x3/cgihttps.py +++ /dev/null @@ -1,198 +0,0 @@ -"""CGI-savvy HTTP Server. - -This module builds on SimpleHTTPServer by implementing GET and POST -requests to cgi-bin scripts. - -""" - - -__version__ = "0.3" - - -import os -import sys -import time -import socket -import string -import urllib -import BaseHTTPServer -import SimpleHTTPServer - - -class CGIHTTPRequestHandler(SimpleHTTPServer.SimpleHTTPRequestHandler): - - """Complete HTTP server with GET, HEAD and POST commands. - - GET and HEAD also support running CGI scripts. - - The POST command is *only* implemented for CGI scripts. - - """ - - def do_POST(self): - """Serve a POST request. - - This is only implemented for CGI scripts. - - """ - - if self.is_cgi(): - self.run_cgi() - else: - self.send_error(501, "Can only POST to CGI scripts") - - def send_head(self): - """Version of send_head that support CGI scripts""" - if self.is_cgi(): - return self.run_cgi() - else: - return SimpleHTTPServer.SimpleHTTPRequestHandler.send_head(self) - - def is_cgi(self): - """test whether PATH corresponds to a CGI script. - - Return a tuple (dir, rest) if PATH requires running a - CGI script, None if not. Note that rest begins with a - slash if it is not empty. - - The default implementation tests whether the path - begins with one of the strings in the list - self.cgi_directories (and the next character is a '/' - or the end of the string). - - """ - - path = self.path - - for x in self.cgi_directories: - i = len(x) - if path[:i] == x and (not path[i:] or path[i] == '/'): - self.cgi_info = path[:i], path[i+1:] - return 1 - return 0 - - cgi_directories = ['/cgi-bin', '/htbin'] - - def run_cgi(self): - """Execute a CGI script.""" - dir, rest = self.cgi_info - i = string.rfind(rest, '?') - if i >= 0: - rest, query = rest[:i], rest[i+1:] - else: - query = '' - i = string.find(rest, '/') - if i >= 0: - script, rest = rest[:i], rest[i:] - else: - script, rest = rest, '' - scriptname = dir + '/' + script - scriptfile = self.translate_path(scriptname) - if not os.path.exists(scriptfile): - self.send_error(404, "No such CGI script (%s)" % `scriptname`) - return - if not os.path.isfile(scriptfile): - self.send_error(403, "CGI script is not a plain file (%s)" % - `scriptname`) - return - if not executable(scriptfile): - self.send_error(403, "CGI script is not executable (%s)" % - `scriptname`) - return - nobody = nobody_uid() - self.send_response(200, "Script output follows") - self.wfile.flush() # Always flush before forking - pid = os.fork() - if pid != 0: - # Parent - pid, sts = os.waitpid(pid, 0) - if sts: - self.log_error("CGI script exit status x%x" % sts) - return - # Child - try: - # Reference: http://hoohoo.ncsa.uiuc.edu/cgi/env.html - # XXX Much of the following could be prepared ahead of time! - env = {} - env['SERVER_SOFTWARE'] = self.version_string() - env['SERVER_NAME'] = self.server.server_name - env['GATEWAY_INTERFACE'] = 'CGI/1.1' - env['SERVER_PROTOCOL'] = self.protocol_version - env['SERVER_PORT'] = str(self.server.server_port) - env['REQUEST_METHOD'] = self.command - uqrest = urllib.unquote(rest) - env['PATH_INFO'] = uqrest - env['PATH_TRANSLATED'] = self.translate_path(uqrest) - env['SCRIPT_NAME'] = scriptname - if query: - env['QUERY_STRING'] = query - host = self.address_string() - if host != self.client_address[0]: - env['REMOTE_HOST'] = host - env['REMOTE_ADDR'] = self.client_address[0] - # AUTH_TYPE - # REMOTE_USER - # REMOTE_IDENT - env['CONTENT_TYPE'] = self.headers.type - length = self.headers.getheader('content-length') - if length: - env['CONTENT_LENGTH'] = length - accept = [] - for line in self.headers.getallmatchingheaders('accept'): - if line[:1] in string.whitespace: - accept.append(string.strip(line)) - else: - accept = accept + string.split(line[7:]) - env['HTTP_ACCEPT'] = string.joinfields(accept, ',') - ua = self.headers.getheader('user-agent') - if ua: - env['HTTP_USER_AGENT'] = ua - # XXX Other HTTP_* headers - import regsub - decoded_query = regsub.gsub('+', ' ', query) - try: - os.setuid(nobody) - except os.error: - pass - os.dup2(self.rfile.fileno(), 0) - os.dup2(self.wfile.fileno(), 1) - print scriptfile, script, decoded_query - os.execve(scriptfile, - [script, decoded_query], - env) - except: - self.server.handle_error(self.request, self.client_address) - os._exit(127) - - -nobody = None - -def nobody_uid(): - """Internal routine to get nobody's uid""" - global nobody - if nobody: - return nobody - import pwd - try: - nobody = pwd.getpwnam('nobody')[2] - except pwd.error: - nobody = 1 + max(map(lambda x: x[2], pwd.getpwall())) - return nobody - - -def executable(path): - """Test for executable file.""" - try: - st = os.stat(path) - except os.error: - return 0 - return st[0] & 0111 != 0 - - -def test(HandlerClass = CGIHTTPRequestHandler, - ServerClass = BaseHTTPServer.HTTPServer): - SimpleHTTPServer.test(HandlerClass, ServerClass) - - -if __name__ == '__main__': - test() |