Mercurial > urweb

annotate src/c/fastcgi.h @ 1512:dcc8abbc6dfd

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Change cookie signature comparison to resist timing attacks (based on code suggested by Robin Green and Austin Seipp)
author Adam Chlipala <adam@chlipala.net>
date Tue, 19 Jul 2011 09:18:50 -0400
parents 60240acd15b9
children
rev   line source
adamc@859 1 // This code comes from the FastCGI 1.0 spec at:
adamc@859 2 // http://www.fastcgi.com/drupal/node/6?q=node/22
adamc@859 3
adamc@859 4 /*
adamc@859 5 * Listening socket file number
adamc@859 6 */
adamc@859 7 #define FCGI_LISTENSOCK_FILENO 0
adamc@859 8
adamc@859 9 typedef struct {
adamc@859 10 unsigned char version;
adamc@859 11 unsigned char type;
adamc@859 12 unsigned char requestIdB1;
adamc@859 13 unsigned char requestIdB0;
adamc@859 14 unsigned char contentLengthB1;
adamc@859 15 unsigned char contentLengthB0;
adamc@859 16 unsigned char paddingLength;
adamc@859 17 unsigned char reserved;
adamc@859 18 } FCGI_Header;
adamc@859 19
adamc@859 20 /*
adamc@859 21 * Number of bytes in a FCGI_Header. Future versions of the protocol
adamc@859 22 * will not reduce this number.
adamc@859 23 */
adamc@859 24 #define FCGI_HEADER_LEN 8
adamc@859 25
adamc@859 26 /*
adamc@859 27 * Value for version component of FCGI_Header
adamc@859 28 */
adamc@859 29 #define FCGI_VERSION_1 1
adamc@859 30
adamc@859 31 /*
adamc@859 32 * Values for type component of FCGI_Header
adamc@859 33 */
adamc@859 34 #define FCGI_BEGIN_REQUEST 1
adamc@859 35 #define FCGI_ABORT_REQUEST 2
adamc@859 36 #define FCGI_END_REQUEST 3
adamc@859 37 #define FCGI_PARAMS 4
adamc@859 38 #define FCGI_STDIN 5
adamc@859 39 #define FCGI_STDOUT 6
adamc@859 40 #define FCGI_STDERR 7
adamc@859 41 #define FCGI_DATA 8
adamc@859 42 #define FCGI_GET_VALUES 9
adamc@859 43 #define FCGI_GET_VALUES_RESULT 10
adamc@859 44 #define FCGI_UNKNOWN_TYPE 11
adamc@859 45 #define FCGI_MAXTYPE (FCGI_UNKNOWN_TYPE)
adamc@859 46
adamc@859 47 /*
adamc@859 48 * Value for requestId component of FCGI_Header
adamc@859 49 */
adamc@859 50 #define FCGI_NULL_REQUEST_ID 0
adamc@859 51
adamc@859 52 typedef struct {
adamc@859 53 unsigned char roleB1;
adamc@859 54 unsigned char roleB0;
adamc@859 55 unsigned char flags;
adamc@859 56 unsigned char reserved[5];
adamc@859 57 } FCGI_BeginRequestBody;
adamc@859 58
adamc@859 59 typedef struct {
adamc@859 60 FCGI_Header header;
adamc@859 61 FCGI_BeginRequestBody body;
adamc@859 62 } FCGI_BeginRequestRecord;
adamc@859 63
adamc@859 64 /*
adamc@859 65 * Mask for flags component of FCGI_BeginRequestBody
adamc@859 66 */
adamc@859 67 #define FCGI_KEEP_CONN 1
adamc@859 68
adamc@859 69 /*
adamc@859 70 * Values for role component of FCGI_BeginRequestBody
adamc@859 71 */
adamc@859 72 #define FCGI_RESPONDER 1
adamc@859 73 #define FCGI_AUTHORIZER 2
adamc@859 74 #define FCGI_FILTER 3
adamc@859 75
adamc@859 76 typedef struct {
adamc@859 77 unsigned char appStatusB3;
adamc@859 78 unsigned char appStatusB2;
adamc@859 79 unsigned char appStatusB1;
adamc@859 80 unsigned char appStatusB0;
adamc@859 81 unsigned char protocolStatus;
adamc@859 82 unsigned char reserved[3];
adamc@859 83 } FCGI_EndRequestBody;
adamc@859 84
adamc@859 85 typedef struct {
adamc@859 86 FCGI_Header header;
adamc@859 87 FCGI_EndRequestBody body;
adamc@859 88 } FCGI_EndRequestRecord;
adamc@859 89
adamc@859 90 /*
adamc@859 91 * Values for protocolStatus component of FCGI_EndRequestBody
adamc@859 92 */
adamc@859 93 #define FCGI_REQUEST_COMPLETE 0
adamc@859 94 #define FCGI_CANT_MPX_CONN 1
adamc@859 95 #define FCGI_OVERLOADED 2
adamc@859 96 #define FCGI_UNKNOWN_ROLE 3
adamc@859 97
adamc@859 98 /*
adamc@859 99 * Variable names for FCGI_GET_VALUES / FCGI_GET_VALUES_RESULT records
adamc@859 100 */
adamc@859 101 #define FCGI_MAX_CONNS "FCGI_MAX_CONNS"
adamc@859 102 #define FCGI_MAX_REQS "FCGI_MAX_REQS"
adamc@859 103 #define FCGI_MPXS_CONNS "FCGI_MPXS_CONNS"
adamc@859 104
adamc@859 105 typedef struct {
adamc@859 106 unsigned char type;
adamc@859 107 unsigned char reserved[7];
adamc@859 108 } FCGI_UnknownTypeBody;
adamc@859 109
adamc@859 110 typedef struct {
adamc@859 111 FCGI_Header header;
adamc@859 112 FCGI_UnknownTypeBody body;
adamc@859 113 } FCGI_UnknownTypeRecord;