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author | Guido van Rossum <guido@python.org> | 2000-11-13 17:11:45 (GMT) |
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committer | Guido van Rossum <guido@python.org> | 2000-11-13 17:11:45 (GMT) |
commit | 56baca328f7c018c4ae776dd87f44a145f502773 (patch) | |
tree | aa5418fee3c046353db47491d1746a523402fa2e /Lib/dos-8x3/cgihttps.py | |
parent | f6fc875831d0cfbf4077b4d2e1800365a78f7c2e (diff) | |
download | cpython-56baca328f7c018c4ae776dd87f44a145f502773.zip cpython-56baca328f7c018c4ae776dd87f44a145f502773.tar.gz cpython-56baca328f7c018c4ae776dd87f44a145f502773.tar.bz2 |
Removing DOS 8x3 support
Diffstat (limited to 'Lib/dos-8x3/cgihttps.py')
-rwxr-xr-x | Lib/dos-8x3/cgihttps.py | 305 |
1 files changed, 0 insertions, 305 deletions
diff --git a/Lib/dos-8x3/cgihttps.py b/Lib/dos-8x3/cgihttps.py deleted file mode 100755 index ba1e76b..0000000 --- a/Lib/dos-8x3/cgihttps.py +++ /dev/null @@ -1,305 +0,0 @@ -"""CGI-savvy HTTP Server. - -This module builds on SimpleHTTPServer by implementing GET and POST -requests to cgi-bin scripts. - -If the os.fork() function is not present (e.g. on Windows), -os.popen2() is used as a fallback, with slightly altered semantics; if -that function is not present either (e.g. on Macintosh), only Python -scripts are supported, and they are executed by the current process. - -In all cases, the implementation is intentionally naive -- all -requests are executed sychronously. - -SECURITY WARNING: DON'T USE THIS CODE UNLESS YOU ARE INSIDE A FIREWALL --- it may execute arbitrary Python code or external programs. - -""" - - -__version__ = "0.4" - - -import os -import sys -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. - - """ - - # Determine platform specifics - have_fork = hasattr(os, 'fork') - have_popen2 = hasattr(os, 'popen2') - - # Make rfile unbuffered -- we need to read one line and then pass - # the rest to a subprocess, so we can't use buffered input. - rbufsize = 0 - - 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 self.path corresponds to a CGI script. - - Return a tuple (dir, rest) if self.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 is_executable(self, path): - """Test whether argument path is an executable file.""" - return executable(path) - - def is_python(self, path): - """Test whether argument path is a Python script.""" - head, tail = os.path.splitext(path) - return tail.lower() in (".py", ".pyw") - - 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 - ispy = self.is_python(scriptname) - if not ispy: - if not (self.have_fork or self.have_popen2): - self.send_error(403, "CGI script is not a Python script (%s)" % - `scriptname`) - return - if not self.is_executable(scriptfile): - self.send_error(403, "CGI script is not executable (%s)" % - `scriptname`) - return - - # 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] - # XXX AUTH_TYPE - # XXX REMOTE_USER - # XXX REMOTE_IDENT - if self.headers.typeheader is None: - env['CONTENT_TYPE'] = self.headers.type - else: - env['CONTENT_TYPE'] = self.headers.typeheader - 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 - co = filter(None, self.headers.getheaders('cookie')) - if co: - env['HTTP_COOKIE'] = string.join(co, ', ') - # XXX Other HTTP_* headers - if not self.have_fork: - # Since we're setting the env in the parent, provide empty - # values to override previously set values - for k in ('QUERY_STRING', 'REMOTE_HOST', 'CONTENT_LENGTH', - 'HTTP_USER_AGENT', 'HTTP_COOKIE'): - env.setdefault(k, "") - - self.send_response(200, "Script output follows") - - decoded_query = string.replace(query, '+', ' ') - - if self.have_fork: - # Unix -- fork as we should - args = [script] - if '=' not in decoded_query: - args.append(decoded_query) - nobody = nobody_uid() - 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", sts) - return - # Child - try: - try: - os.setuid(nobody) - except os.error: - pass - os.dup2(self.rfile.fileno(), 0) - os.dup2(self.wfile.fileno(), 1) - os.execve(scriptfile, args, env) - except: - self.server.handle_error(self.request, self.client_address) - os._exit(127) - - elif self.have_popen2: - # Windows -- use popen2 to create a subprocess - import shutil - os.environ.update(env) - cmdline = scriptfile - if self.is_python(scriptfile): - interp = sys.executable - if interp.lower().endswith("w.exe"): - # On Windows, use python.exe, not python.exe - interp = interp[:-5] = interp[-4:] - cmdline = "%s %s" % (interp, cmdline) - if '=' not in query and '"' not in query: - cmdline = '%s "%s"' % (cmdline, query) - self.log_error("command: %s", cmdline) - try: - nbytes = int(length) - except: - nbytes = 0 - fi, fo = os.popen2(cmdline) - if self.command.lower() == "post" and nbytes > 0: - data = self.rfile.read(nbytes) - fi.write(data) - fi.close() - shutil.copyfileobj(fo, self.wfile) - sts = fo.close() - if sts: - self.log_error("CGI script exit status %#x", sts) - else: - self.log_error("CGI script exited OK") - - else: - # Other O.S. -- execute script in this process - os.environ.update(env) - save_argv = sys.argv - save_stdin = sys.stdin - save_stdout = sys.stdout - save_stderr = sys.stderr - try: - try: - sys.argv = [scriptfile] - if '=' not in decoded_query: - sys.argv.append(decoded_query) - sys.stdout = self.wfile - sys.stdin = self.rfile - execfile(scriptfile, {"__name__": "__main__"}) - finally: - sys.argv = save_argv - sys.stdin = save_stdin - sys.stdout = save_stdout - sys.stderr = save_stderr - except SystemExit, sts: - self.log_error("CGI script exit status %s", str(sts)) - else: - self.log_error("CGI script exited OK") - - -nobody = None - -def nobody_uid(): - """Internal routine to get nobody's uid""" - global nobody - if nobody: - return nobody - try: - import pwd - except ImportError: - return -1 - try: - nobody = pwd.getpwnam('nobody')[2] - except KeyError: - 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() |