diff options
| -rwxr-xr-x | woof | 23 |
1 files changed, 23 insertions, 0 deletions
@@ -27,6 +27,7 @@ """ woof -- an ad-hoc single file webserver""" import sys, os, popen2, signal, select, socket, getopt, commands +import stat import urllib, BaseHTTPServer import ConfigParser @@ -98,6 +99,24 @@ def find_ip (): return ip_addr +def is_owner(stf): + """Return true if the file belongs to the current user""" + return stf.st_uid == os.getuid() + +def is_group(stf): + """Return true if the file belongs to the group of current user""" + return stf.st_gid == os.getgid() + +def is_read(filename): + """ Check whether a file is readable """ + result_st = os.stat(filename) + if is_owner(result_st): + return (result_st.st_mode & stat.S_IRUSR) + elif is_group(result_st): + return (result_st.st_mode & stat.S_IRGRP) + else: + return (result_st.st_mode & stat.S_IROTH) + class FileServHTTPRequestHandler(BaseHTTPServer.BaseHTTPRequestHandler): """ Main class implementing an HTTP-Requesthandler, that serves just a single @@ -335,6 +354,10 @@ def main (): if not (os.path.isfile (filename) or os.path.isdir (filename)): usage (defaultport, defaultmaxdown, "%s: Neither file nor directory" % filenames[0]) + if not is_read(filename): + usage (defaultport, defaultmaxdown, + "%s: Check read permission" % filenames[0]) + serve_files (filename, maxdown, ip_addr, port) # wait for child processes to terminate |