mirror of
https://github.com/php/php-src.git
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382 lines
8.7 KiB
C
382 lines
8.7 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 5 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2004 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.0 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_0.txt. |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Author: |
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+----------------------------------------------------------------------+
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$Id$
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*/
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#ifndef PHPMIMEMAGIC_H
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#define PHPMIMEMAGIC_H
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#define MIME_MAGIC_DEBUG 0
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#define MIME_BINARY_UNKNOWN "application/octet-stream"
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#define MIME_TEXT_UNKNOWN "text/plain"
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#define MAXMIMESTRING 256
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#define MIME_MAGIC_OK 0
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#define MIME_MAGIC_DECLINED -1
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#define MIME_MAGIC_DONE -2
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#define MIME_MAGIC_ERROR -3
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#define DIR_MAGIC_TYPE "httpd/unix-directory"
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/* HOWMANY must be at least 4096 to make gzip -dcq work */
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#define HOWMANY 4096
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/* SMALL_HOWMANY limits how much work we do to figure out text files */
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#define SMALL_HOWMANY 1024
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#define MAXDESC 50 /* max leng of text description */
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#define MAXstring 64 /* max leng of "string" types */
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struct magic {
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struct magic *next; /* link to next entry */
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int lineno; /* line number from magic file */
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short flag;
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#define INDIR 1 /* if '>(...)' appears, */
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#define UNSIGNED 2 /* comparison is unsigned */
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short cont_level; /* level of ">" */
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struct {
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char type; /* byte short long */
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long offset; /* offset from indirection */
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} in;
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long offset; /* offset to magic number */
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unsigned char reln; /* relation (0=eq, '>'=gt, etc) */
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char type; /* int, short, long or string. */
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char vallen; /* length of string value, if any */
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union VALUETYPE {
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unsigned char b;
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unsigned short h;
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unsigned long l;
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char s[MAXstring];
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unsigned char hs[2]; /* 2 bytes of a fixed-endian "short" */
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unsigned char hl[4]; /* 2 bytes of a fixed-endian "long" */
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} value; /* either number or string */
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unsigned long mask; /* mask before comparison with value */
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char nospflag; /* supress space character */
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/* NOTE: this string is suspected of overrunning - find it! */
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char desc[MAXDESC]; /* description */
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};
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/*
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* data structures for tar file recognition
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* --------------------------------------------------------------------------
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* Header file for public domain tar (tape archive) program.
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*
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* @(#)tar.h 1.20 86/10/29 Public Domain. Created 25 August 1985 by John
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* Gilmore, ihnp4!hoptoad!gnu.
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*
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* Header block on tape.
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*
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* I'm going to use traditional DP naming conventions here. A "block" is a big
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* chunk of stuff that we do I/O on. A "record" is a piece of info that we
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* care about. Typically many "record"s fit into a "block".
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*/
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#define RECORDSIZE 512
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#define NAMSIZ 100
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#define TUNMLEN 32
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#define TGNMLEN 32
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union record {
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char charptr[RECORDSIZE];
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struct header {
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char name[NAMSIZ];
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char mode[8];
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char uid[8];
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char gid[8];
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char size[12];
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char mtime[12];
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char chksum[8];
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char linkflag;
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char linkname[NAMSIZ];
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char magic[8];
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char uname[TUNMLEN];
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char gname[TGNMLEN];
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char devmajor[8];
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char devminor[8];
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} header;
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};
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/* The magic field is filled with this if uname and gname are valid. */
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#define TMAGIC "ustar " /* 7 chars and a null */
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/*
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* file-function prototypes
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*/
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/*TODO*/
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#define request_rec void
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#define server_rec void
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#define pool void
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#define cmd_parms void
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/*
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* includes for ASCII substring recognition formerly "names.h" in file
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* command
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*
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* Original notes: names and types used by ascmagic in file(1). These tokens are
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* here because they can appear anywhere in the first HOWMANY bytes, while
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* tokens in /etc/magic must appear at fixed offsets into the file. Don't
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* make HOWMANY too high unless you have a very fast CPU.
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*/
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/* these types are used to index the table 'types': keep em in sync! */
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/* HTML inserted in first because this is a web server module now */
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#define L_HTML 0 /* HTML */
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#define L_C 1 /* first and foremost on UNIX */
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#define L_FORT 2 /* the oldest one */
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#define L_MAKE 3 /* Makefiles */
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#define L_PLI 4 /* PL/1 */
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#define L_MACH 5 /* some kinda assembler */
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#define L_ENG 6 /* English */
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#define L_PAS 7 /* Pascal */
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#define L_MAIL 8 /* Electronic mail */
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#define L_NEWS 9 /* Usenet Netnews */
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static char *types[] =
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{
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"text/html", /* HTML */
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"text/plain", /* "c program text", */
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"text/plain", /* "fortran program text", */
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"text/plain", /* "make commands text", */
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"text/plain", /* "pl/1 program text", */
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"text/plain", /* "assembler program text", */
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"text/plain", /* "English text", */
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"text/plain", /* "pascal program text", */
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"message/rfc822", /* "mail text", */
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"message/news", /* "news text", */
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"application/binary", /* "can't happen error on names.h/types", */
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0
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};
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static struct names {
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char *name;
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short type;
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} names[] = {
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/* These must be sorted by eye for optimal hit rate */
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/* Add to this list only after substantial meditation */
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{
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"<html>", L_HTML
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},
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{
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"<HTML>", L_HTML
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},
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{
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"<head>", L_HTML
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},
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{
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"<HEAD>", L_HTML
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},
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{
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"<title>", L_HTML
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},
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{
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"<TITLE>", L_HTML
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},
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{
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"<h1>", L_HTML
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},
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{
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"<H1>", L_HTML
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},
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{
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"<!--", L_HTML
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},
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{
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"<!DOCTYPE HTML", L_HTML
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},
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{
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"/*", L_C
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}, /* must precede "The", "the", etc. */
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{
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"#include", L_C
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},
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{
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"char", L_C
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},
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{
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"The", L_ENG
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},
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{
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"the", L_ENG
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},
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{
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"double", L_C
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},
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{
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"extern", L_C
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},
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{
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"float", L_C
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},
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{
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"real", L_C
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},
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{
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"struct", L_C
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},
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{
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"union", L_C
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},
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{
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"CFLAGS", L_MAKE
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},
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{
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"LDFLAGS", L_MAKE
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},
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{
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"all:", L_MAKE
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},
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{
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".PRECIOUS", L_MAKE
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},
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/*
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* Too many files of text have these words in them. Find another way to
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* recognize Fortrash.
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*/
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#ifdef NOTDEF
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{
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"subroutine", L_FORT
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},
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{
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"function", L_FORT
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},
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{
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"block", L_FORT
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},
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{
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"common", L_FORT
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},
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{
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"dimension", L_FORT
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},
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{
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"integer", L_FORT
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},
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{
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"data", L_FORT
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},
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#endif /* NOTDEF */
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{
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".ascii", L_MACH
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},
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{
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".asciiz", L_MACH
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},
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{
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".byte", L_MACH
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},
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{
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".even", L_MACH
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},
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{
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".globl", L_MACH
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},
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{
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"clr", L_MACH
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},
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{
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"(input,", L_PAS
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},
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{
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"dcl", L_PLI
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},
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{
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"Received:", L_MAIL
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},
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{
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">From", L_MAIL
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},
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{
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"Return-Path:", L_MAIL
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},
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{
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"Cc:", L_MAIL
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},
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{
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"Newsgroups:", L_NEWS
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},
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{
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"Path:", L_NEWS
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},
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{
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"Organization:", L_NEWS
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},
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{
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NULL, 0
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}
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};
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#define NNAMES ((sizeof(names)/sizeof(struct names)) - 1)
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/*
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* Result String List (RSL)
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*
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* The file(1) command prints its output. Instead, we store the various
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* "printed" strings in a list (allocating memory as we go) and concatenate
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* them at the end when we finally know how much space they'll need.
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*/
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typedef struct magic_rsl_s {
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char *str; /* string, possibly a fragment */
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struct magic_rsl_s *next; /* pointer to next fragment */
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} magic_rsl;
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/*
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* Apache module configuration structures
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*/
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/* per-server info */
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typedef struct {
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char *magicfile; /* where magic be found */
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struct magic *magic; /* head of magic config list */
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struct magic *last;
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} magic_server_config_rec;
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/* per-request info */
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typedef struct {
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magic_rsl *head; /* result string list */
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magic_rsl *tail;
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unsigned suf_recursion; /* recursion depth in suffix check */
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} magic_req_rec;
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/* Globals */
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ZEND_BEGIN_MODULE_GLOBALS(mime_magic)
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char *magicfile;
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magic_req_rec *req_dat;
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int debug; /* shall magic file parser errors be shown? */
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char *status; /* status message for phpinfo() */
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ZEND_END_MODULE_GLOBALS(mime_magic)
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#ifdef ZTS
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#define MIME_MAGIC_G(v) TSRMG(mime_magic_globals_id, zend_mime_magic_globals *, v)
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#else
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#define MIME_MAGIC_G(v) (mime_magic_globals.v)
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#endif
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#endif /* PHPMIMEMAGIC_H */
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* indent-tabs-mode: t
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* End:
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*/
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