mirror of
https://github.com/rn10950/RetroZilla.git
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482 lines
12 KiB
C
482 lines
12 KiB
C
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Netscape security libraries.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1994-2000
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef __JAR_h_
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#define __JAR_h_
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/*
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* In general, any functions that return pointers
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* have memory owned by the caller.
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*
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*/
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/* security includes */
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#include "cert.h"
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#include "hasht.h"
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/* nspr 2.0 includes */
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#include "prio.h"
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#ifndef ZHUGEP
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#ifdef XP_WIN16
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#define ZHUGEP __huge
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#else
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#define ZHUGEP
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#endif
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#endif
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#include <stdio.h>
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/* various types */
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typedef enum
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{
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jarTypeMF = 2,
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jarTypeSF = 3,
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jarTypeMeta = 6,
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jarTypePhy = 7,
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jarTypeSign = 10,
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jarTypeSect = 11,
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jarTypeOwner = 13
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}
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jarType;
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/* void data in ZZList's contain JAR_Item type */
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typedef struct JAR_Item_
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{
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char *pathname; /* relative. inside zip file */
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jarType type; /* various types */
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size_t size; /* size of data below */
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void *data; /* totally opaque */
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}
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JAR_Item;
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/* hashes */
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typedef enum
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{
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jarHashNone = 0,
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jarHashBad = 1,
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jarHashPresent = 2
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}
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jarHash;
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typedef struct JAR_Digest_
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{
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jarHash md5_status;
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unsigned char md5 [MD5_LENGTH];
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jarHash sha1_status;
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unsigned char sha1 [SHA1_LENGTH];
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}
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JAR_Digest;
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/* physical archive formats */
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typedef enum
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{
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jarArchGuess = 0,
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jarArchNone = 1,
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jarArchZip = 2,
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jarArchTar = 3
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}
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jarArch;
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#include "jar-ds.h"
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/* jar object */
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typedef struct JAR_
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{
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jarArch format; /* physical archive format */
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char *url; /* Where it came from */
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char *filename; /* Disk location */
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FILE *fp; /* For multiple extractions */ /* JAR_FILE */
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/* various linked lists */
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ZZList *manifest; /* Digests of MF sections */
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ZZList *hashes; /* Digests of actual signed files */
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ZZList *phy; /* Physical layout of JAR file */
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ZZList *metainfo; /* Global metainfo */
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JAR_Digest *globalmeta; /* digest of .MF global portion */
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/* Below will change to a linked list to support multiple sigs */
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int pkcs7; /* Enforced opaqueness */
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int valid; /* PKCS7 signature validated */
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ZZList *signers; /* the above, per signer */
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/* Window context, very necessary for PKCS11 now */
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void *mw; /* MWContext window context */
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/* Signal callback function */
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int (*signal) (int status, struct JAR_ *jar,
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const char *metafile, char *pathname, char *errorstring);
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}
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JAR;
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/*
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* Iterator
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*
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* Context for iterative operations. Certain operations
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* require iterating multiple linked lists because of
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* multiple signers. "nextsign" is used for this purpose.
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*
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*/
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typedef struct JAR_Context_
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{
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JAR *jar; /* Jar we are searching */
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char *pattern; /* Regular expression */
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jarType finding; /* Type of item to find */
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ZZLink *next; /* Next item in find */
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ZZLink *nextsign; /* Next signer, sometimes */
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}
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JAR_Context;
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typedef struct JAR_Signer_
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{
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int pkcs7; /* Enforced opaqueness */
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int valid; /* PKCS7 signature validated */
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char *owner; /* name of .RSA file */
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JAR_Digest *digest; /* of .SF file */
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ZZList *sf; /* Linked list of .SF file contents */
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ZZList *certs; /* Signing information */
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}
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JAR_Signer;
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/* Meta informaton, or "policy", from the manifest file.
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Right now just one tuple per JAR_Item. */
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typedef struct JAR_Metainfo_
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{
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char *header;
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char *info;
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}
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JAR_Metainfo;
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/* This should not be global */
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typedef struct JAR_Physical_
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{
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unsigned char compression;
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unsigned long offset;
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unsigned long length;
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unsigned long uncompressed_length;
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#if defined(XP_UNIX) || defined(XP_BEOS)
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uint16 mode;
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#endif
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}
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JAR_Physical;
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typedef struct JAR_Cert_
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{
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size_t length;
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void *key;
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CERTCertificate *cert;
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}
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JAR_Cert;
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/* certificate stuff */
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typedef enum
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{
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jarCertCompany = 1,
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jarCertCA = 2,
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jarCertSerial = 3,
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jarCertExpires = 4,
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jarCertNickname = 5,
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jarCertFinger = 6,
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jarCertJavaHack = 100
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}
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jarCert;
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/* callback types */
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#define JAR_CB_SIGNAL 1
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/*
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* This is the base for the JAR error codes. It will
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* change when these are incorporated into allxpstr.c,
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* but right now they won't let me put them there.
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*
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*/
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#ifndef SEC_ERR_BASE
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#define SEC_ERR_BASE (-0x2000)
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#endif
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#define JAR_BASE SEC_ERR_BASE + 300
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/* Jar specific error definitions */
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#define JAR_ERR_GENERAL (JAR_BASE + 1)
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#define JAR_ERR_FNF (JAR_BASE + 2)
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#define JAR_ERR_CORRUPT (JAR_BASE + 3)
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#define JAR_ERR_MEMORY (JAR_BASE + 4)
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#define JAR_ERR_DISK (JAR_BASE + 5)
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#define JAR_ERR_ORDER (JAR_BASE + 6)
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#define JAR_ERR_SIG (JAR_BASE + 7)
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#define JAR_ERR_METADATA (JAR_BASE + 8)
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#define JAR_ERR_ENTRY (JAR_BASE + 9)
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#define JAR_ERR_HASH (JAR_BASE + 10)
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#define JAR_ERR_PK7 (JAR_BASE + 11)
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#define JAR_ERR_PNF (JAR_BASE + 12)
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/*
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* Birth and death
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*
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*/
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extern JAR *JAR_new (void);
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extern void PR_CALLBACK JAR_destroy (JAR *jar);
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extern char *JAR_get_error (int status);
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extern int JAR_set_callback (int type, JAR *jar,
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int (*fn) (int status, JAR *jar,
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const char *metafile, char *pathname, char *errortext));
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extern void JAR_init_callbacks
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( char *(*string_cb)(int), void *(*find_cx)(void), void *(*init_cx)(void) );
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/*
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* JAR_set_context
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*
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* PKCS11 may require a password to be entered by the user
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* before any crypto routines may be called. This will require
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* a window context if used from inside Mozilla.
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*
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* Call this routine with your context before calling
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* verifying or signing. If you have no context, call with NULL
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* and one will be chosen for you.
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*
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*/
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int JAR_set_context (JAR *jar, void /*MWContext*/ *mw);
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/*
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* Iterative operations
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*
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* JAR_find sets up for repeated calls with JAR_find_next.
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* I never liked findfirst and findnext, this is nicer.
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*
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* Pattern contains a relative pathname to match inside the
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* archive. It is currently assumed to be "*".
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*
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* To use:
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*
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* JAR_Item *item;
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* JAR_find (jar, "*.class", jarTypeMF);
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* while (JAR_find_next (jar, &item) >= 0)
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* { do stuff }
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*
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*/
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/* Replacement functions with an external context */
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extern JAR_Context *JAR_find (JAR *jar, char *pattern, jarType type);
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extern int JAR_find_next (JAR_Context *ctx, JAR_Item **it);
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extern void JAR_find_end (JAR_Context *ctx);
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/*
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* Function to parse manifest file:
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*
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* Many signatures may be attached to a single filename located
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* inside the zip file. We only support one.
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*
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* Several manifests may be included in the zip file.
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*
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* You must pass the MANIFEST.MF file before any .SF files.
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*
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* Right now this returns a big ole list, privately in the jar structure.
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* If you need to traverse it, use JAR_find if possible.
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*
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* The path is needed to determine what type of binary signature is
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* being passed, though it is technically not needed for manifest files.
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*
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* When parsing an ASCII file, null terminate the ASCII raw_manifest
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* prior to sending it, and indicate a length of 0. For binary digital
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* signatures only, indicate the true length of the signature.
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* (This is legacy behavior.)
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*
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* You may free the manifest after parsing it.
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*
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*/
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extern int JAR_parse_manifest
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(JAR *jar, char ZHUGEP *raw_manifest,
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long length, const char *path, const char *url);
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/*
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* Verify data (nonstreaming). The signature is actually
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* checked by JAR_parse_manifest or JAR_pass_archive.
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*
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*/
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extern JAR_Digest * PR_CALLBACK JAR_calculate_digest
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(void ZHUGEP *data, long length);
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extern int PR_CALLBACK JAR_verify_digest
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(JAR *jar, const char *name, JAR_Digest *dig);
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extern int JAR_digest_file (char *filename, JAR_Digest *dig);
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/*
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* Get attribute from certificate:
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*
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* Returns any special signed attribute associated with this cert
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* or signature (passed in "data"). Attributes jarCert*. Most of the time
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* this will return a zero terminated string.
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*
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*/
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extern int PR_CALLBACK JAR_cert_attribute
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(JAR *jar, jarCert attrib, long keylen, void *key,
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void **result, unsigned long *length);
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/*
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* Meta information
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*
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* Currently, since this call does not support passing of an owner
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* (certificate, or physical name of the .sf file), it is restricted to
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* returning information located in the manifest.mf file.
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*
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* Meta information is a name/value pair inside the archive file. Here,
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* the name is passed in *header and value returned in **info.
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*
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* Pass a NULL as the name to retrieve metainfo from the global section.
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*
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* Data is returned in **info, of size *length. The return value
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* will indicate if no data was found.
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*
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*/
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extern int JAR_get_metainfo
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(JAR *jar, char *name, char *header, void **info, unsigned long *length);
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extern char *JAR_get_filename (JAR *jar);
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extern char *JAR_get_url (JAR *jar);
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/*
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* Return an HTML mockup of a certificate or signature.
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*
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* Returns a zero terminated ascii string
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* in raw HTML format.
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*
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*/
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extern char *JAR_cert_html
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(JAR *jar, int style, long keylen, void *key, int *result);
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/* save the certificate with this fingerprint in persistent
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storage, somewhere, for retrieval in a future session when there
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is no corresponding JAR structure. */
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extern int PR_CALLBACK JAR_stash_cert
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(JAR *jar, long keylen, void *key);
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/* retrieve a certificate presumably stashed with the above
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function, but may be any certificate. Type is &CERTCertificate */
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void *JAR_fetch_cert (long length, void *key);
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/*
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* New functions to handle archives alone
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* (call JAR_new beforehand)
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*
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* JAR_pass_archive acts much like parse_manifest. Certificates
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* are returned in the JAR structure but as opaque data. When calling
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* JAR_verified_extract you still need to decide which of these
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* certificates to honor.
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*
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* Code to examine a JAR structure is in jarbert.c. You can obtain both
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* a list of filenames and certificates from traversing the linked list.
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*
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*/
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extern int JAR_pass_archive
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(JAR *jar, jarArch format, char *filename, const char *url);
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/*
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* Same thing, but don't check signatures
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*/
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extern int JAR_pass_archive_unverified
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(JAR *jar, jarArch format, char *filename, const char *url);
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/*
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* Extracts a relative pathname from the archive and places it
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* in the filename specified.
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*
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* Call JAR_set_nailed if you want to keep the file descriptors
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* open between multiple calls to JAR_verify_extract.
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*
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*/
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extern int JAR_verified_extract
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(JAR *jar, char *path, char *outpath);
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/*
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* JAR_extract does no crypto checking. This can be used if you
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* need to extract a manifest file or signature, etc.
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*
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*/
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extern int JAR_extract
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(JAR *jar, char *path, char *outpath);
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#endif /* __JAR_h_ */
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