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php-src/ext/mime_magic/php_mime_magic.h
Hartmut Holzgraefe aba71d94e0 moved 'static' prototypes to prevent warnings
2002-03-27 13:51:55 +00:00

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/*
+----------------------------------------------------------------------+
| PHP Version 4 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2002 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 2.02 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available at through the world-wide-web at |
| http://www.php.net/license/2_02.txt. |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: |
+----------------------------------------------------------------------+
$Id$
*/
#ifndef PHP_MIME_MAGIC_H
#define PHP_MIME_MAGIC_H
#define MIME_MAGIC_DEBUG 0
#define MIME_BINARY_UNKNOWN "application/octet-stream"
#define MIME_TEXT_UNKNOWN "text/plain"
#define MAXMIMESTRING 256
#define MIME_MAGIC_OK 0
#define MIME_MAGIC_DECLINED -1
#define MIME_MAGIC_DONE -2
#define MIME_MAGIC_ERROR -3
#define DIR_MAGIC_TYPE "httpd/unix-directory"
/* HOWMANY must be at least 4096 to make gzip -dcq work */
#define HOWMANY 4096
/* SMALL_HOWMANY limits how much work we do to figure out text files */
#define SMALL_HOWMANY 1024
#define MAXDESC 50 /* max leng of text description */
#define MAXstring 64 /* max leng of "string" types */
struct magic {
struct magic *next; /* link to next entry */
int lineno; /* line number from magic file */
short flag;
#define INDIR 1 /* if '>(...)' appears, */
#define UNSIGNED 2 /* comparison is unsigned */
short cont_level; /* level of ">" */
struct {
char type; /* byte short long */
long offset; /* offset from indirection */
} in;
long offset; /* offset to magic number */
unsigned char reln; /* relation (0=eq, '>'=gt, etc) */
char type; /* int, short, long or string. */
char vallen; /* length of string value, if any */
#define BYTE 1
#define SHORT 2
#define LONG 4
#define STRING 5
#define DATE 6
#define BESHORT 7
#define BELONG 8
#define BEDATE 9
#define LESHORT 10
#define LELONG 11
#define LEDATE 12
union VALUETYPE {
unsigned char b;
unsigned short h;
unsigned long l;
char s[MAXstring];
unsigned char hs[2]; /* 2 bytes of a fixed-endian "short" */
unsigned char hl[4]; /* 2 bytes of a fixed-endian "long" */
} value; /* either number or string */
unsigned long mask; /* mask before comparison with value */
char nospflag; /* supress space character */
/* NOTE: this string is suspected of overrunning - find it! */
char desc[MAXDESC]; /* description */
};
/*
* data structures for tar file recognition
* --------------------------------------------------------------------------
* Header file for public domain tar (tape archive) program.
*
* @(#)tar.h 1.20 86/10/29 Public Domain. Created 25 August 1985 by John
* Gilmore, ihnp4!hoptoad!gnu.
*
* Header block on tape.
*
* I'm going to use traditional DP naming conventions here. A "block" is a big
* chunk of stuff that we do I/O on. A "record" is a piece of info that we
* care about. Typically many "record"s fit into a "block".
*/
#define RECORDSIZE 512
#define NAMSIZ 100
#define TUNMLEN 32
#define TGNMLEN 32
union record {
char charptr[RECORDSIZE];
struct header {
char name[NAMSIZ];
char mode[8];
char uid[8];
char gid[8];
char size[12];
char mtime[12];
char chksum[8];
char linkflag;
char linkname[NAMSIZ];
char magic[8];
char uname[TUNMLEN];
char gname[TGNMLEN];
char devmajor[8];
char devminor[8];
} header;
};
/* The magic field is filled with this if uname and gname are valid. */
#define TMAGIC "ustar " /* 7 chars and a null */
/*
* file-function prototypes
*/
/*TODO*/
#define request_rec void
#define server_rec void
#define pool void
#define cmd_parms void
/*
* includes for ASCII substring recognition formerly "names.h" in file
* command
*
* Original notes: names and types used by ascmagic in file(1). These tokens are
* here because they can appear anywhere in the first HOWMANY bytes, while
* tokens in /etc/magic must appear at fixed offsets into the file. Don't
* make HOWMANY too high unless you have a very fast CPU.
*/
/* these types are used to index the table 'types': keep em in sync! */
/* HTML inserted in first because this is a web server module now */
#define L_HTML 0 /* HTML */
#define L_C 1 /* first and foremost on UNIX */
#define L_FORT 2 /* the oldest one */
#define L_MAKE 3 /* Makefiles */
#define L_PLI 4 /* PL/1 */
#define L_MACH 5 /* some kinda assembler */
#define L_ENG 6 /* English */
#define L_PAS 7 /* Pascal */
#define L_MAIL 8 /* Electronic mail */
#define L_NEWS 9 /* Usenet Netnews */
static char *types[] =
{
"text/html", /* HTML */
"text/plain", /* "c program text", */
"text/plain", /* "fortran program text", */
"text/plain", /* "make commands text", */
"text/plain", /* "pl/1 program text", */
"text/plain", /* "assembler program text", */
"text/plain", /* "English text", */
"text/plain", /* "pascal program text", */
"message/rfc822", /* "mail text", */
"message/news", /* "news text", */
"application/binary", /* "can't happen error on names.h/types", */
0
};
static struct names {
char *name;
short type;
} names[] = {
/* These must be sorted by eye for optimal hit rate */
/* Add to this list only after substantial meditation */
{
"<html>", L_HTML
},
{
"<HTML>", L_HTML
},
{
"<head>", L_HTML
},
{
"<HEAD>", L_HTML
},
{
"<title>", L_HTML
},
{
"<TITLE>", L_HTML
},
{
"<h1>", L_HTML
},
{
"<H1>", L_HTML
},
{
"<!--", L_HTML
},
{
"<!DOCTYPE HTML", L_HTML
},
{
"/*", L_C
}, /* must precede "The", "the", etc. */
{
"#include", L_C
},
{
"char", L_C
},
{
"The", L_ENG
},
{
"the", L_ENG
},
{
"double", L_C
},
{
"extern", L_C
},
{
"float", L_C
},
{
"real", L_C
},
{
"struct", L_C
},
{
"union", L_C
},
{
"CFLAGS", L_MAKE
},
{
"LDFLAGS", L_MAKE
},
{
"all:", L_MAKE
},
{
".PRECIOUS", L_MAKE
},
/*
* Too many files of text have these words in them. Find another way to
* recognize Fortrash.
*/
#ifdef NOTDEF
{
"subroutine", L_FORT
},
{
"function", L_FORT
},
{
"block", L_FORT
},
{
"common", L_FORT
},
{
"dimension", L_FORT
},
{
"integer", L_FORT
},
{
"data", L_FORT
},
#endif /* NOTDEF */
{
".ascii", L_MACH
},
{
".asciiz", L_MACH
},
{
".byte", L_MACH
},
{
".even", L_MACH
},
{
".globl", L_MACH
},
{
"clr", L_MACH
},
{
"(input,", L_PAS
},
{
"dcl", L_PLI
},
{
"Received:", L_MAIL
},
{
">From", L_MAIL
},
{
"Return-Path:", L_MAIL
},
{
"Cc:", L_MAIL
},
{
"Newsgroups:", L_NEWS
},
{
"Path:", L_NEWS
},
{
"Organization:", L_NEWS
},
{
NULL, 0
}
};
#define NNAMES ((sizeof(names)/sizeof(struct names)) - 1)
/*
* Result String List (RSL)
*
* The file(1) command prints its output. Instead, we store the various
* "printed" strings in a list (allocating memory as we go) and concatenate
* them at the end when we finally know how much space they'll need.
*/
typedef struct magic_rsl_s {
char *str; /* string, possibly a fragment */
struct magic_rsl_s *next; /* pointer to next fragment */
} magic_rsl;
/*
* Apache module configuration structures
*/
/* per-server info */
typedef struct {
char *magicfile; /* where magic be found */
struct magic *magic; /* head of magic config list */
struct magic *last;
} magic_server_config_rec;
/* per-request info */
typedef struct {
magic_rsl *head; /* result string list */
magic_rsl *tail;
unsigned suf_recursion; /* recursion depth in suffix check */
} magic_req_rec;
extern zend_module_entry mime_magic_module_entry;
#define phpext_mime_magic_ptr &mime_magic_module_entry
#ifdef PHP_WIN32
#define PHP_MIME_MAGIC_API __declspec(dllexport)
#else
#define PHP_MIME_MAGIC_API
#endif
#ifdef ZTS
#include "TSRM.h"
#endif
PHP_MINIT_FUNCTION(mime_magic);
PHP_MSHUTDOWN_FUNCTION(mime_magic);
PHP_RINIT_FUNCTION(mime_magic);
PHP_RSHUTDOWN_FUNCTION(mime_magic);
PHP_MINFO_FUNCTION(mime_magic);
PHP_FUNCTION(mime_content_type);
ZEND_BEGIN_MODULE_GLOBALS(mime_magic)
char *magicfile;
magic_req_rec *req_dat;
ZEND_END_MODULE_GLOBALS(mime_magic)
/* In every utility function you add that needs to use variables
in php_mime_magic_globals, call TSRM_FETCH(); after declaring other
variables used by that function, or better yet, pass in TSRMG_CC
after the last function argument and declare your utility function
with TSRMG_DC after the last declared argument. Always refer to
the globals in your function as MIME_MAGIC_G(variable). You are
encouraged to rename these macros something shorter, see
examples in any other php module directory.
*/
#ifdef ZTS
#define MIME_MAGIC_G(v) TSRMG(mime_magic_globals_id, zend_mime_magic_globals *, v)
#else
#define MIME_MAGIC_G(v) (mime_magic_globals.v)
#endif
#endif /* PHP_MIME_MAGIC_H */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* indent-tabs-mode: t
* End:
*/
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