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http11_parser.c
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http11_parser.c
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#line 1 "http11_parser.rl"
/**
* Copyright (c) 2005 Zed A. Shaw
* You can redistribute it and/or modify it under the same terms as Ruby.
*/
#include "http11_parser.h"
#include <stdio.h>
#include <assert.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#define LEN(AT, FPC) (FPC - buffer - parser->AT)
#define MARK(M,FPC) (parser->M = (FPC) - buffer)
#define PTR_TO(F) (buffer + parser->F)
/** Machine **/
#line 103 "http11_parser.rl"
/** Data **/
#line 25 "http11_parser.c"
static const int http_parser_start = 1;
static const int http_parser_first_final = 57;
static const int http_parser_error = 0;
static const int http_parser_en_main = 1;
#line 107 "http11_parser.rl"
int http_parser_init(http_parser *parser) {
int cs = 0;
#line 37 "http11_parser.c"
{
cs = http_parser_start;
}
#line 111 "http11_parser.rl"
parser->cs = cs;
parser->body_start = 0;
parser->content_len = 0;
parser->mark = 0;
parser->nread = 0;
parser->field_len = 0;
parser->field_start = 0;
return(1);
}
/** exec **/
size_t http_parser_execute(http_parser *parser, const char *buffer, size_t len, size_t off) {
const char *p, *pe;
int cs = parser->cs;
assert(off <= len && "offset past end of buffer");
p = buffer+off;
pe = buffer+len;
assert(*pe == '\0' && "pointer does not end on NUL");
assert(pe - p == len - off && "pointers aren't same distance");
#line 69 "http11_parser.c"
{
if ( p == pe )
goto _out;
switch ( cs )
{
case 1:
switch( (*p) ) {
case 36: goto tr0;
case 95: goto tr0;
}
if ( (*p) < 48 ) {
if ( 45 <= (*p) && (*p) <= 46 )
goto tr0;
} else if ( (*p) > 57 ) {
if ( 65 <= (*p) && (*p) <= 90 )
goto tr0;
} else
goto tr0;
goto st0;
st0:
goto _out0;
tr0:
#line 22 "http11_parser.rl"
{MARK(mark, p); }
goto st2;
st2:
if ( ++p == pe )
goto _out2;
case 2:
#line 99 "http11_parser.c"
switch( (*p) ) {
case 32: goto tr2;
case 36: goto st38;
case 95: goto st38;
}
if ( (*p) < 48 ) {
if ( 45 <= (*p) && (*p) <= 46 )
goto st38;
} else if ( (*p) > 57 ) {
if ( 65 <= (*p) && (*p) <= 90 )
goto st38;
} else
goto st38;
goto st0;
tr2:
#line 41 "http11_parser.rl"
{
if(parser->request_method != NULL)
parser->request_method(parser->data, PTR_TO(mark), LEN(mark, p));
}
goto st3;
st3:
if ( ++p == pe )
goto _out3;
case 3:
#line 125 "http11_parser.c"
switch( (*p) ) {
case 42: goto tr4;
case 43: goto tr5;
case 47: goto tr6;
case 58: goto tr7;
}
if ( (*p) < 65 ) {
if ( 45 <= (*p) && (*p) <= 57 )
goto tr5;
} else if ( (*p) > 90 ) {
if ( 97 <= (*p) && (*p) <= 122 )
goto tr5;
} else
goto tr5;
goto st0;
tr4:
#line 22 "http11_parser.rl"
{MARK(mark, p); }
goto st4;
st4:
if ( ++p == pe )
goto _out4;
case 4:
#line 149 "http11_parser.c"
switch( (*p) ) {
case 32: goto tr8;
case 35: goto tr9;
}
goto st0;
tr8:
#line 45 "http11_parser.rl"
{
if(parser->request_uri != NULL)
{
parser->request_uri(parser->data, PTR_TO(mark), LEN(mark, p));
if(parser->cs == http_parser_error)
{
goto st0;
}
}
}
goto st5;
tr30:
#line 55 "http11_parser.rl"
{
if(parser->fragment != NULL)
{
parser->fragment(parser->data, PTR_TO(mark), LEN(mark, p));
if(parser->cs == http_parser_error)
{
goto st0;
}
}
}
goto st5;
tr40:
#line 83 "http11_parser.rl"
{
if(parser->request_path != NULL)
{
parser->request_path(parser->data, PTR_TO(mark), LEN(mark,p));
if(parser->cs == http_parser_error)
{
goto st0;
}
}
}
#line 45 "http11_parser.rl"
{
if(parser->request_uri != NULL)
{
parser->request_uri(parser->data, PTR_TO(mark), LEN(mark, p));
if(parser->cs == http_parser_error)
{
goto st0;
}
}
}
goto st5;
tr51:
#line 66 "http11_parser.rl"
{MARK(query_start, p); }
#line 67 "http11_parser.rl"
{
if(parser->query_string != NULL)
{
parser->query_string(parser->data, PTR_TO(query_start), LEN(query_start, p));
if(parser->cs == http_parser_error)
{
goto st0;
}
}
}
#line 45 "http11_parser.rl"
{
if(parser->request_uri != NULL)
{
parser->request_uri(parser->data, PTR_TO(mark), LEN(mark, p));
if(parser->cs == http_parser_error)
{
goto st0;
}
}
}
goto st5;
tr55:
#line 67 "http11_parser.rl"
{
if(parser->query_string != NULL)
{
parser->query_string(parser->data, PTR_TO(query_start), LEN(query_start, p));
if(parser->cs == http_parser_error)
{
goto st0;
}
}
}
#line 45 "http11_parser.rl"
{
if(parser->request_uri != NULL)
{
parser->request_uri(parser->data, PTR_TO(mark), LEN(mark, p));
if(parser->cs == http_parser_error)
{
goto st0;
}
}
}
goto st5;
st5:
if ( ++p == pe )
goto _out5;
case 5:
#line 259 "http11_parser.c"
if ( (*p) == 72 )
goto tr10;
goto st0;
tr10:
#line 22 "http11_parser.rl"
{MARK(mark, p); }
goto st6;
st6:
if ( ++p == pe )
goto _out6;
case 6:
#line 271 "http11_parser.c"
if ( (*p) == 84 )
goto st7;
goto st0;
st7:
if ( ++p == pe )
goto _out7;
case 7:
if ( (*p) == 84 )
goto st8;
goto st0;
st8:
if ( ++p == pe )
goto _out8;
case 8:
if ( (*p) == 80 )
goto st9;
goto st0;
st9:
if ( ++p == pe )
goto _out9;
case 9:
if ( (*p) == 47 )
goto st10;
goto st0;
st10:
if ( ++p == pe )
goto _out10;
case 10:
if ( 48 <= (*p) && (*p) <= 57 )
goto st11;
goto st0;
st11:
if ( ++p == pe )
goto _out11;
case 11:
if ( (*p) == 46 )
goto st12;
if ( 48 <= (*p) && (*p) <= 57 )
goto st11;
goto st0;
st12:
if ( ++p == pe )
goto _out12;
case 12:
if ( 48 <= (*p) && (*p) <= 57 )
goto st13;
goto st0;
st13:
if ( ++p == pe )
goto _out13;
case 13:
if ( (*p) == 13 )
goto tr18;
if ( 48 <= (*p) && (*p) <= 57 )
goto st13;
goto st0;
tr18:
#line 78 "http11_parser.rl"
{
if(parser->http_version != NULL)
parser->http_version(parser->data, PTR_TO(mark), LEN(mark, p));
}
goto st14;
tr26:
#line 31 "http11_parser.rl"
{
if(parser->http_field != NULL)
{
parser->http_field(parser->data, PTR_TO(field_start), parser->field_len, PTR_TO(mark), LEN(mark, p));
if(parser->cs == http_parser_error)
{
goto st0;
}
}
}
goto st14;
st14:
if ( ++p == pe )
goto _out14;
case 14:
#line 352 "http11_parser.c"
if ( (*p) == 10 )
goto st15;
goto st0;
st15:
if ( ++p == pe )
goto _out15;
case 15:
switch( (*p) ) {
case 13: goto st16;
case 33: goto tr21;
case 124: goto tr21;
case 126: goto tr21;
}
if ( (*p) < 45 ) {
if ( (*p) > 39 ) {
if ( 42 <= (*p) && (*p) <= 43 )
goto tr21;
} else if ( (*p) >= 35 )
goto tr21;
} else if ( (*p) > 46 ) {
if ( (*p) < 65 ) {
if ( 48 <= (*p) && (*p) <= 57 )
goto tr21;
} else if ( (*p) > 90 ) {
if ( 94 <= (*p) && (*p) <= 122 )
goto tr21;
} else
goto tr21;
} else
goto tr21;
goto st0;
st16:
if ( ++p == pe )
goto _out16;
case 16:
if ( (*p) == 10 )
goto tr22;
goto st0;
tr22:
#line 94 "http11_parser.rl"
{
parser->body_start = p - buffer + 1;
if(parser->header_done != NULL)
parser->header_done(parser->data, p + 1, pe - p - 1);
goto _out57;
}
goto st57;
st57:
if ( ++p == pe )
goto _out57;
case 57:
#line 404 "http11_parser.c"
goto st0;
tr21:
#line 25 "http11_parser.rl"
{ MARK(field_start, p); }
goto st17;
st17:
if ( ++p == pe )
goto _out17;
case 17:
#line 414 "http11_parser.c"
switch( (*p) ) {
case 33: goto st17;
case 58: goto tr24;
case 124: goto st17;
case 126: goto st17;
}
if ( (*p) < 45 ) {
if ( (*p) > 39 ) {
if ( 42 <= (*p) && (*p) <= 43 )
goto st17;
} else if ( (*p) >= 35 )
goto st17;
} else if ( (*p) > 46 ) {
if ( (*p) < 65 ) {
if ( 48 <= (*p) && (*p) <= 57 )
goto st17;
} else if ( (*p) > 90 ) {
if ( 94 <= (*p) && (*p) <= 122 )
goto st17;
} else
goto st17;
} else
goto st17;
goto st0;
tr24:
#line 26 "http11_parser.rl"
{
parser->field_len = LEN(field_start, p);
}
goto st18;
tr27:
#line 30 "http11_parser.rl"
{ MARK(mark, p); }
goto st18;
st18:
if ( ++p == pe )
goto _out18;
case 18:
#line 453 "http11_parser.c"
switch( (*p) ) {
case 13: goto tr26;
case 32: goto tr27;
}
goto tr25;
tr25:
#line 30 "http11_parser.rl"
{ MARK(mark, p); }
goto st19;
st19:
if ( ++p == pe )
goto _out19;
case 19:
#line 467 "http11_parser.c"
if ( (*p) == 13 )
goto tr26;
goto st19;
tr9:
#line 45 "http11_parser.rl"
{
if(parser->request_uri != NULL)
{
parser->request_uri(parser->data, PTR_TO(mark), LEN(mark, p));
if(parser->cs == http_parser_error)
{
goto st0;
}
}
}
goto st20;
tr41:
#line 83 "http11_parser.rl"
{
if(parser->request_path != NULL)
{
parser->request_path(parser->data, PTR_TO(mark), LEN(mark,p));
if(parser->cs == http_parser_error)
{
goto st0;
}
}
}
#line 45 "http11_parser.rl"
{
if(parser->request_uri != NULL)
{
parser->request_uri(parser->data, PTR_TO(mark), LEN(mark, p));
if(parser->cs == http_parser_error)
{
goto st0;
}
}
}
goto st20;
tr52:
#line 66 "http11_parser.rl"
{MARK(query_start, p); }
#line 67 "http11_parser.rl"
{
if(parser->query_string != NULL)
{
parser->query_string(parser->data, PTR_TO(query_start), LEN(query_start, p));
if(parser->cs == http_parser_error)
{
goto st0;
}
}
}
#line 45 "http11_parser.rl"
{
if(parser->request_uri != NULL)
{
parser->request_uri(parser->data, PTR_TO(mark), LEN(mark, p));
if(parser->cs == http_parser_error)
{
goto st0;
}
}
}
goto st20;
tr56:
#line 67 "http11_parser.rl"
{
if(parser->query_string != NULL)
{
parser->query_string(parser->data, PTR_TO(query_start), LEN(query_start, p));
if(parser->cs == http_parser_error)
{
goto st0;
}
}
}
#line 45 "http11_parser.rl"
{
if(parser->request_uri != NULL)
{
parser->request_uri(parser->data, PTR_TO(mark), LEN(mark, p));
if(parser->cs == http_parser_error)
{
goto st0;
}
}
}
goto st20;
st20:
if ( ++p == pe )
goto _out20;
case 20:
#line 562 "http11_parser.c"
switch( (*p) ) {
case 32: goto tr30;
case 37: goto tr31;
case 60: goto st0;
case 62: goto st0;
case 127: goto st0;
}
if ( (*p) > 31 ) {
if ( 34 <= (*p) && (*p) <= 35 )
goto st0;
} else if ( (*p) >= 0 )
goto st0;
goto tr29;
tr29:
#line 22 "http11_parser.rl"
{MARK(mark, p); }
goto st21;
st21:
if ( ++p == pe )
goto _out21;
case 21:
#line 584 "http11_parser.c"
switch( (*p) ) {
case 32: goto tr30;
case 37: goto st22;
case 60: goto st0;
case 62: goto st0;
case 127: goto st0;
}
if ( (*p) > 31 ) {
if ( 34 <= (*p) && (*p) <= 35 )
goto st0;
} else if ( (*p) >= 0 )
goto st0;
goto st21;
tr31:
#line 22 "http11_parser.rl"
{MARK(mark, p); }
goto st22;
st22:
if ( ++p == pe )
goto _out22;
case 22:
#line 606 "http11_parser.c"
if ( (*p) < 65 ) {
if ( 48 <= (*p) && (*p) <= 57 )
goto st23;
} else if ( (*p) > 70 ) {
if ( 97 <= (*p) && (*p) <= 102 )
goto st23;
} else
goto st23;
goto st0;
st23:
if ( ++p == pe )
goto _out23;
case 23:
if ( (*p) < 65 ) {
if ( 48 <= (*p) && (*p) <= 57 )
goto st21;
} else if ( (*p) > 70 ) {
if ( 97 <= (*p) && (*p) <= 102 )
goto st21;
} else
goto st21;
goto st0;
tr5:
#line 22 "http11_parser.rl"
{MARK(mark, p); }
goto st24;
st24:
if ( ++p == pe )
goto _out24;
case 24:
#line 637 "http11_parser.c"
switch( (*p) ) {
case 43: goto st24;
case 58: goto st25;
}
if ( (*p) < 48 ) {
if ( 45 <= (*p) && (*p) <= 46 )
goto st24;
} else if ( (*p) > 57 ) {
if ( (*p) > 90 ) {
if ( 97 <= (*p) && (*p) <= 122 )
goto st24;
} else if ( (*p) >= 65 )
goto st24;
} else
goto st24;
goto st0;
tr7:
#line 22 "http11_parser.rl"
{MARK(mark, p); }
goto st25;
st25:
if ( ++p == pe )
goto _out25;
case 25:
#line 662 "http11_parser.c"
switch( (*p) ) {
case 32: goto tr8;
case 34: goto st0;
case 35: goto tr9;
case 37: goto st26;
case 60: goto st0;
case 62: goto st0;
case 127: goto st0;
}
if ( 0 <= (*p) && (*p) <= 31 )
goto st0;
goto st25;
st26:
if ( ++p == pe )
goto _out26;
case 26:
if ( (*p) < 65 ) {
if ( 48 <= (*p) && (*p) <= 57 )
goto st27;
} else if ( (*p) > 70 ) {
if ( 97 <= (*p) && (*p) <= 102 )
goto st27;
} else
goto st27;
goto st0;
st27:
if ( ++p == pe )
goto _out27;
case 27:
if ( (*p) < 65 ) {
if ( 48 <= (*p) && (*p) <= 57 )
goto st25;
} else if ( (*p) > 70 ) {
if ( 97 <= (*p) && (*p) <= 102 )
goto st25;
} else
goto st25;
goto st0;
tr6:
#line 22 "http11_parser.rl"
{MARK(mark, p); }
goto st28;
st28:
if ( ++p == pe )
goto _out28;
case 28:
#line 709 "http11_parser.c"
switch( (*p) ) {
case 32: goto tr40;
case 34: goto st0;
case 35: goto tr41;
case 37: goto st29;
case 59: goto tr43;
case 60: goto st0;
case 62: goto st0;
case 63: goto tr44;
case 127: goto st0;
}
if ( 0 <= (*p) && (*p) <= 31 )
goto st0;
goto st28;
st29:
if ( ++p == pe )
goto _out29;
case 29:
if ( (*p) < 65 ) {
if ( 48 <= (*p) && (*p) <= 57 )
goto st30;
} else if ( (*p) > 70 ) {
if ( 97 <= (*p) && (*p) <= 102 )
goto st30;
} else
goto st30;
goto st0;
st30:
if ( ++p == pe )
goto _out30;
case 30:
if ( (*p) < 65 ) {
if ( 48 <= (*p) && (*p) <= 57 )
goto st28;
} else if ( (*p) > 70 ) {
if ( 97 <= (*p) && (*p) <= 102 )
goto st28;
} else
goto st28;
goto st0;
tr43:
#line 83 "http11_parser.rl"
{
if(parser->request_path != NULL)
{
parser->request_path(parser->data, PTR_TO(mark), LEN(mark,p));
if(parser->cs == http_parser_error)
{
goto st0;
}
}
}
goto st31;
st31:
if ( ++p == pe )
goto _out31;
case 31:
#line 767 "http11_parser.c"
switch( (*p) ) {
case 32: goto tr8;
case 34: goto st0;
case 35: goto tr9;
case 37: goto st32;
case 60: goto st0;
case 62: goto st0;
case 63: goto st34;
case 127: goto st0;
}
if ( 0 <= (*p) && (*p) <= 31 )
goto st0;
goto st31;
st32:
if ( ++p == pe )
goto _out32;
case 32:
if ( (*p) < 65 ) {
if ( 48 <= (*p) && (*p) <= 57 )
goto st33;
} else if ( (*p) > 70 ) {
if ( 97 <= (*p) && (*p) <= 102 )
goto st33;
} else
goto st33;
goto st0;
st33:
if ( ++p == pe )
goto _out33;
case 33:
if ( (*p) < 65 ) {
if ( 48 <= (*p) && (*p) <= 57 )
goto st31;
} else if ( (*p) > 70 ) {
if ( 97 <= (*p) && (*p) <= 102 )
goto st31;
} else
goto st31;
goto st0;
tr44:
#line 83 "http11_parser.rl"
{
if(parser->request_path != NULL)
{
parser->request_path(parser->data, PTR_TO(mark), LEN(mark,p));
if(parser->cs == http_parser_error)
{
goto st0;
}
}
}
goto st34;
st34:
if ( ++p == pe )
goto _out34;
case 34:
#line 824 "http11_parser.c"
switch( (*p) ) {
case 32: goto tr51;
case 34: goto st0;
case 35: goto tr52;
case 37: goto tr53;
case 60: goto st0;
case 62: goto st0;
case 127: goto st0;
}
if ( 0 <= (*p) && (*p) <= 31 )
goto st0;
goto tr50;
tr50:
#line 66 "http11_parser.rl"
{MARK(query_start, p); }
goto st35;
st35:
if ( ++p == pe )
goto _out35;
case 35:
#line 845 "http11_parser.c"
switch( (*p) ) {
case 32: goto tr55;
case 34: goto st0;
case 35: goto tr56;
case 37: goto st36;
case 60: goto st0;
case 62: goto st0;
case 127: goto st0;
}
if ( 0 <= (*p) && (*p) <= 31 )
goto st0;
goto st35;
tr53:
#line 66 "http11_parser.rl"
{MARK(query_start, p); }
goto st36;
st36:
if ( ++p == pe )
goto _out36;
case 36:
#line 866 "http11_parser.c"
if ( (*p) < 65 ) {
if ( 48 <= (*p) && (*p) <= 57 )
goto st37;
} else if ( (*p) > 70 ) {
if ( 97 <= (*p) && (*p) <= 102 )
goto st37;
} else
goto st37;
goto st0;
st37:
if ( ++p == pe )
goto _out37;
case 37:
if ( (*p) < 65 ) {
if ( 48 <= (*p) && (*p) <= 57 )
goto st35;
} else if ( (*p) > 70 ) {
if ( 97 <= (*p) && (*p) <= 102 )
goto st35;
} else
goto st35;
goto st0;
st38:
if ( ++p == pe )
goto _out38;
case 38:
switch( (*p) ) {
case 32: goto tr2;
case 36: goto st39;
case 95: goto st39;
}
if ( (*p) < 48 ) {
if ( 45 <= (*p) && (*p) <= 46 )
goto st39;
} else if ( (*p) > 57 ) {
if ( 65 <= (*p) && (*p) <= 90 )
goto st39;
} else
goto st39;
goto st0;
st39:
if ( ++p == pe )
goto _out39;
case 39:
switch( (*p) ) {
case 32: goto tr2;
case 36: goto st40;
case 95: goto st40;
}
if ( (*p) < 48 ) {
if ( 45 <= (*p) && (*p) <= 46 )
goto st40;
} else if ( (*p) > 57 ) {
if ( 65 <= (*p) && (*p) <= 90 )
goto st40;
} else
goto st40;
goto st0;
st40:
if ( ++p == pe )
goto _out40;
case 40:
switch( (*p) ) {
case 32: goto tr2;
case 36: goto st41;
case 95: goto st41;
}
if ( (*p) < 48 ) {
if ( 45 <= (*p) && (*p) <= 46 )
goto st41;
} else if ( (*p) > 57 ) {
if ( 65 <= (*p) && (*p) <= 90 )
goto st41;
} else
goto st41;
goto st0;
st41:
if ( ++p == pe )
goto _out41;
case 41:
switch( (*p) ) {
case 32: goto tr2;
case 36: goto st42;
case 95: goto st42;
}
if ( (*p) < 48 ) {
if ( 45 <= (*p) && (*p) <= 46 )
goto st42;
} else if ( (*p) > 57 ) {
if ( 65 <= (*p) && (*p) <= 90 )
goto st42;
} else
goto st42;
goto st0;
st42:
if ( ++p == pe )
goto _out42;
case 42:
switch( (*p) ) {
case 32: goto tr2;
case 36: goto st43;
case 95: goto st43;
}
if ( (*p) < 48 ) {
if ( 45 <= (*p) && (*p) <= 46 )
goto st43;
} else if ( (*p) > 57 ) {
if ( 65 <= (*p) && (*p) <= 90 )
goto st43;
} else
goto st43;
goto st0;
st43:
if ( ++p == pe )
goto _out43;
case 43:
switch( (*p) ) {
case 32: goto tr2;
case 36: goto st44;
case 95: goto st44;
}
if ( (*p) < 48 ) {
if ( 45 <= (*p) && (*p) <= 46 )
goto st44;
} else if ( (*p) > 57 ) {
if ( 65 <= (*p) && (*p) <= 90 )
goto st44;
} else
goto st44;
goto st0;
st44:
if ( ++p == pe )
goto _out44;
case 44:
switch( (*p) ) {