from __future__ import print_function import sys import argparse import os import os.path from netlib import tcp from netlib import version from netlib.http import user_agents from . import pathoc, language def args_pathoc(argv, stdout=sys.stdout, stderr=sys.stderr): preparser = argparse.ArgumentParser(add_help=False) preparser.add_argument( "--show-uas", dest="showua", action="store_true", default=False, help="Print user agent shortcuts and exit." ) pa = preparser.parse_known_args(argv)[0] if pa.showua: print("User agent strings:", file=stdout) for i in user_agents.UASTRINGS: print(" ", i[1], i[0], file=stdout) sys.exit(0) parser = argparse.ArgumentParser( description='A perverse HTTP client.', parents=[preparser] ) parser.add_argument( '--version', action='version', version="pathoc " + version.VERSION ) parser.add_argument( "-c", dest="connect_to", type=str, default=False, metavar="HOST:PORT", help="Issue an HTTP CONNECT to connect to the specified host." ) parser.add_argument( "--memo-limit", dest='memolimit', default=5000, type=int, metavar="N", help='Stop if we do not find a valid request after N attempts.' ) parser.add_argument( "-m", dest='memo', action="store_true", default=False, help=""" Remember specs, and never play the same one twice. Note that this means requests have to be rendered in memory, which means that large generated data can cause issues. """ ) parser.add_argument( "-n", dest='repeat', default=1, type=int, metavar="N", help='Repeat N times. If 0 repeat for ever.' ) parser.add_argument( "-w", dest='wait', default=0, type=float, metavar="N", help='Wait N seconds between each request.' ) parser.add_argument( "-r", dest="random", action="store_true", default=False, help=""" Select a random request from those specified. If this is not specified, requests are all played in sequence. """ ) parser.add_argument( "-t", dest="timeout", type=int, default=None, help="Connection timeout" ) parser.add_argument( "--http2", dest="use_http2", action="store_true", default=False, help='Perform all requests over a single HTTP/2 connection.' ) parser.add_argument( "--http2-skip-connection-preface", dest="http2_skip_connection_preface", action="store_true", default=False, help='Skips the HTTP/2 connection preface before sending requests.') parser.add_argument( 'host', type=str, metavar="host[:port]", help='Host and port to connect to' ) parser.add_argument( 'requests', type=str, nargs="+", help=""" Request specification, or path to a file containing request specifcations """ ) group = parser.add_argument_group( 'SSL', ) group.add_argument( "-s", dest="ssl", action="store_true", default=False, help="Connect with SSL" ) group.add_argument( "-C", dest="clientcert", type=str, default=False, help="Path to a file containing client certificate and private key" ) group.add_argument( "-i", dest="sni", type=str, default=False, help="SSL Server Name Indication" ) group.add_argument( "--ciphers", dest="ciphers", type=str, default=False, help="SSL cipher specification" ) group.add_argument( "--ssl-version", dest="ssl_version", type=str, default="secure", choices=tcp.sslversion_choices.keys(), help="Set supported SSL/TLS versions. " "SSLv2, SSLv3 and 'all' are INSECURE. Defaults to secure, which is TLS1.0+." ) group = parser.add_argument_group( 'Controlling Output', """ Some of these options expand generated values for logging - if you're generating large data, use them with caution. """ ) group.add_argument( "-I", dest="ignorecodes", type=str, default="", help="Comma-separated list of response codes to ignore" ) group.add_argument( "-S", dest="showssl", action="store_true", default=False, help="Show info on SSL connection" ) group.add_argument( "-e", dest="explain", action="store_true", default=False, help="Explain requests" ) group.add_argument( "-o", dest="oneshot", action="store_true", default=False, help="Oneshot - exit after first non-ignored response" ) group.add_argument( "-q", dest="showreq", action="store_true", default=False, help="Print full request" ) group.add_argument( "-p", dest="showresp", action="store_true", default=False, help="Print full response" ) group.add_argument( "-T", dest="ignoretimeout", action="store_true", default=False, help="Ignore timeouts" ) group.add_argument( "-x", dest="hexdump", action="store_true", default=False, help="Output in hexdump format" ) group.add_argument( "--http2-framedump", dest="http2_framedump", action="store_true", default=False, help="Output all received & sent HTTP/2 frames" ) args = parser.parse_args(argv[1:]) args.ssl_version, args.ssl_options = tcp.sslversion_choices[args.ssl_version] args.port = None if ":" in args.host: h, p = args.host.rsplit(":", 1) try: p = int(p) except ValueError: return parser.error("Invalid port in host spec: %s" % args.host) args.host = h args.port = p if args.port is None: args.port = 443 if args.ssl else 80 try: args.ignorecodes = [int(i) for i in args.ignorecodes.split(",") if i] except ValueError: return parser.error( "Invalid return code specification: %s" % args.ignorecodes) if args.connect_to: parts = args.connect_to.split(":") if len(parts) != 2: return parser.error( "Invalid CONNECT specification: %s" % args.connect_to) try: parts[1] = int(parts[1]) except ValueError: return parser.error( "Invalid CONNECT specification: %s" % args.connect_to) args.connect_to = parts else: args.connect_to = None if args.http2_skip_connection_preface: args.use_http2 = True if args.use_http2: args.ssl = True reqs = [] for r in args.requests: if os.path.isfile(r): with open(r) as f: r = f.read() try: reqs.append(language.parse_pathoc(r, args.use_http2)) except language.ParseException as v: print("Error parsing request spec: %s" % v.msg, file=stderr) print(v.marked(), file=stderr) sys.exit(1) args.requests = reqs return args def go_pathoc(): # pragma: no cover args = args_pathoc(sys.argv) pathoc.main(args)