parser.rl
author Mahlon E. Smith <mahlon@martini.nu>
Thu, 22 Sep 2011 21:43:50 -0700
changeset 6 85718bc3ff47
parent 2 8c88756f81b0
child 10 d07309450285
permissions -rw-r--r--
Use pkg-config to find dependency locations, add gdb debug flags.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
0
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
     1
/* vim: set noet nosta sw=4 ts=4 ft=ragel : */
2
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
     2
/*
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
     3
Copyright (c) 2011, Mahlon E. Smith <mahlon@martini.nu>
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
     4
All rights reserved.
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
     5
Redistribution and use in source and binary forms, with or without
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
     6
modification, are permitted provided that the following conditions are met:
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
     7
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
     8
    * Redistributions of source code must retain the above copyright
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
     9
      notice, this list of conditions and the following disclaimer.
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    10
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    11
    * Redistributions in binary form must reproduce the above copyright
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    12
      notice, this list of conditions and the following disclaimer in the
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    13
      documentation and/or other materials provided with the distribution.
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    14
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    15
    * Neither the name of Mahlon E. Smith nor the names of his
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    16
      contributors may be used to endorse or promote products derived
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    17
      from this software without specific prior written permission.
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    18
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    19
THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    20
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    21
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    22
DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    23
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    24
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    25
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    26
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    27
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    28
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    29
*/
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    30
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    31
/*
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    32
Squid docs:
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    33
---------------------------------------------------------------------------
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    34
TAG: url_rewrite_program
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    35
Specify the location of the executable for the URL rewriter.
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    36
Since they can perform almost any function there isn't one included.
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    37
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    38
For each requested URL rewriter will receive on line with the format
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    39
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    40
URL <SP> client_ip "/" fqdn <SP> user <SP> method [<SP> kvpairs]<NL>
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    41
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    42
In the future, the rewriter interface will be extended with
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    43
key=value pairs ("kvpairs" shown above).  Rewriter programs
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    44
should be prepared to receive and possibly ignore additional
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    45
whitespace-separated tokens on each input line.
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    46
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    47
And the rewriter may return a rewritten URL. The other components of
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    48
the request line does not need to be returned (ignored if they are).
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    49
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    50
The rewriter can also indicate that a client-side redirect should
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    51
be performed to the new URL. This is done by prefixing the returned
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    52
URL with "301:" (moved permanently) or 302: (moved temporarily).
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    53
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    54
By default, a URL rewriter is not used.
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    55
---------------------------------------------------------------------------
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    56
*/
0
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    57
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    58
#include "volta.h"
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    59
1
823d42546cea Dial in the Makefile and command line option parsing. Better debug
Mahlon E. Smith <mahlon@laika.com>
parents: 0
diff changeset
    60
%%{
823d42546cea Dial in the Makefile and command line option parsing. Better debug
Mahlon E. Smith <mahlon@laika.com>
parents: 0
diff changeset
    61
	machine redirector;
823d42546cea Dial in the Makefile and command line option parsing. Better debug
Mahlon E. Smith <mahlon@laika.com>
parents: 0
diff changeset
    62
2
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    63
	action parse_error {
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    64
		debug( 2, LOC, "parse error\n" );
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    65
		return( NULL );
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    66
	}
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    67
1
823d42546cea Dial in the Makefile and command line option parsing. Better debug
Mahlon E. Smith <mahlon@laika.com>
parents: 0
diff changeset
    68
	action yay {
2
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    69
		printf( "I saw: %s", p+1 );
1
823d42546cea Dial in the Makefile and command line option parsing. Better debug
Mahlon E. Smith <mahlon@laika.com>
parents: 0
diff changeset
    70
	}
823d42546cea Dial in the Makefile and command line option parsing. Better debug
Mahlon E. Smith <mahlon@laika.com>
parents: 0
diff changeset
    71
823d42546cea Dial in the Makefile and command line option parsing. Better debug
Mahlon E. Smith <mahlon@laika.com>
parents: 0
diff changeset
    72
	# http://, ftp://, https://, etc
823d42546cea Dial in the Makefile and command line option parsing. Better debug
Mahlon E. Smith <mahlon@laika.com>
parents: 0
diff changeset
    73
	proto = alpha{3,5} . '://';
823d42546cea Dial in the Makefile and command line option parsing. Better debug
Mahlon E. Smith <mahlon@laika.com>
parents: 0
diff changeset
    74
823d42546cea Dial in the Makefile and command line option parsing. Better debug
Mahlon E. Smith <mahlon@laika.com>
parents: 0
diff changeset
    75
	# http://mahlon:password@example.com or http://mahlon@example.com
823d42546cea Dial in the Makefile and command line option parsing. Better debug
Mahlon E. Smith <mahlon@laika.com>
parents: 0
diff changeset
    76
    #       username              optional password
823d42546cea Dial in the Makefile and command line option parsing. Better debug
Mahlon E. Smith <mahlon@laika.com>
parents: 0
diff changeset
    77
	creds = ( alnum | [+._\-] )+ . ( ':' . any+ )? . '@';
823d42546cea Dial in the Makefile and command line option parsing. Better debug
Mahlon E. Smith <mahlon@laika.com>
parents: 0
diff changeset
    78
2
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    79
	main  := ( proto . creds ) | proto @yay '\n';
1
823d42546cea Dial in the Makefile and command line option parsing. Better debug
Mahlon E. Smith <mahlon@laika.com>
parents: 0
diff changeset
    80
}%%
823d42546cea Dial in the Makefile and command line option parsing. Better debug
Mahlon E. Smith <mahlon@laika.com>
parents: 0
diff changeset
    81
%% write data;
823d42546cea Dial in the Makefile and command line option parsing. Better debug
Mahlon E. Smith <mahlon@laika.com>
parents: 0
diff changeset
    82
823d42546cea Dial in the Makefile and command line option parsing. Better debug
Mahlon E. Smith <mahlon@laika.com>
parents: 0
diff changeset
    83
/*
0
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    84
%%{
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    85
	machine redirector;
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    86
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    87
	action yay {
2
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
    88
		printf( "I saw: %s", p+1 );
0
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    89
	}
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    90
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    91
	# http://, ftp://, https://, etc
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    92
	proto = alpha{3,5} . '://';
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    93
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    94
	# http://mahlon:password@example.com or http://mahlon@example.com
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    95
    #       username              optional password
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    96
	creds = ( alnum | [+._\-] )+ . ( ':' . any+ )? . '@';
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    97
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    98
	main := ( proto . creds ) | proto @yay '\n';
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
    99
}%%
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   100
%% write data;
1
823d42546cea Dial in the Makefile and command line option parsing. Better debug
Mahlon E. Smith <mahlon@laika.com>
parents: 0
diff changeset
   101
*/
0
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   102
2
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
   103
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
   104
/*
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
   105
%%{
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
   106
	machine foo;
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
   107
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
   108
	OPEN = 0;
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
   109
	CLOSE = 1;
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
   110
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
   111
	main :=
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
   112
		start:
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
   113
		door_closed: (
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
   114
			OPEN -> door_open -> final
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
   115
		),
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
   116
		door_open: (
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
   117
			CLOSE -> door_closed
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
   118
		);
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
   119
}%%
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
   120
*/
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
   121
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
   122
struct request *
0
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   123
parse( char *p )
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   124
{
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   125
   	/* initial machine state */
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   126
	short int cs = 0;
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   127
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   128
	/* the client request object */
2
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
   129
	request c_request;
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
   130
	request *cp_request = &c_request;
0
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   131
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   132
	/*
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   133
	char ip[ INET_ADDRSTRLEN ];
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   134
	inet_pton( AF_INET, "127.0.0.1", &cp_request->ip );
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   135
	inet_ntop( AF_INET, &cp_request->ip, ip, INET_ADDRSTRLEN );
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   136
	*/
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   137
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   138
	/* initalize state machine with current line */
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   139
	char *pe = p + strlen(p) + 1;
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   140
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   141
	/* enter state machine */
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   142
	%% write init;
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   143
	%% write exec;
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   144
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   145
	/* reset the request */
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   146
	/* c_request = reset_request; */
2
8c88756f81b0 Ensure that parsing can't be subverted by requests larger than the
Mahlon E. Smith <mahlon@martini.nu>
parents: 1
diff changeset
   147
	return( cp_request );
0
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   148
}
eac7211fe522 Initial commit of an experimental little Squid redirector.
Mahlon E. Smith <mahlon@martini.nu>
parents:
diff changeset
   149