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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef __JAR_h_
#define __JAR_h_
/*
* In general, any functions that return pointers
* have memory owned by the caller.
*
*/
/* security includes */
#include "cert.h"
#include "hasht.h"
/* nspr 2.0 includes */
#include "prio.h"
#define ZHUGEP
#include <stdio.h>
/* various types */
typedef enum {
jarTypeMF = 2,
jarTypeSF = 3,
jarTypeMeta = 6,
jarTypePhy = 7,
jarTypeSign = 10,
jarTypeSect = 11,
jarTypeOwner = 13
} jarType;
/* void data in ZZList's contain JAR_Item type */
typedef struct JAR_Item_ {
char *pathname; /* relative. inside zip file */
jarType type; /* various types */
size_t size; /* size of data below */
void *data; /* totally opaque */
} JAR_Item;
/* hashes */
typedef enum {
jarHashNone = 0,
jarHashBad = 1,
jarHashPresent = 2
} jarHash;
typedef struct JAR_Digest_ {
jarHash md5_status;
unsigned char md5[MD5_LENGTH];
jarHash sha1_status;
unsigned char sha1[SHA1_LENGTH];
} JAR_Digest;
/* physical archive formats */
typedef enum {
jarArchGuess = 0,
jarArchNone = 1,
jarArchZip = 2,
jarArchTar = 3
} jarArch;
#include "jar-ds.h"
struct JAR_;
typedef int jar_settable_callback_fn(int status, struct JAR_ *jar,
const char *metafile, char *pathname,
char *errortext);
/* jar object */
typedef struct JAR_ {
jarArch format; /* physical archive format */
char *url; /* Where it came from */
char *filename; /* Disk location */
FILE *fp; /* For multiple extractions */
/* JAR_FILE */
/* various linked lists */
ZZList *manifest; /* Digests of MF sections */
ZZList *hashes; /* Digests of actual signed files */
ZZList *phy; /* Physical layout of JAR file */
ZZList *metainfo; /* Global metainfo */
JAR_Digest *globalmeta; /* digest of .MF global portion */
/* Below will change to a linked list to support multiple sigs */
int pkcs7; /* Enforced opaqueness */
int valid; /* PKCS7 signature validated */
ZZList *signers; /* the above, per signer */
/* Window context, very necessary for PKCS11 now */
void *mw; /* MWContext window context */
/* Signal callback function */
jar_settable_callback_fn *signal;
} JAR;
/*
* Iterator
*
* Context for iterative operations. Certain operations
* require iterating multiple linked lists because of
* multiple signers. "nextsign" is used for this purpose.
*
*/
typedef struct JAR_Context_ {
JAR *jar; /* Jar we are searching */
char *pattern; /* Regular expression */
jarType finding; /* Type of item to find */
ZZLink *next; /* Next item in find */
ZZLink *nextsign; /* Next signer, sometimes */
} JAR_Context;
typedef struct JAR_Signer_ {
int pkcs7; /* Enforced opaqueness */
int valid; /* PKCS7 signature validated */
char *owner; /* name of .RSA file */
JAR_Digest *digest; /* of .SF file */
ZZList *sf; /* Linked list of .SF file contents */
ZZList *certs; /* Signing information */
} JAR_Signer;
/* Meta informaton, or "policy", from the manifest file.
Right now just one tuple per JAR_Item. */
typedef struct JAR_Metainfo_ {
char *header;
char *info;
} JAR_Metainfo;
/* This should not be global */
typedef struct JAR_Physical_ {
unsigned char compression;
unsigned long offset;
unsigned long length;
unsigned long uncompressed_length;
#if defined(XP_UNIX) || defined(XP_BEOS)
PRUint16 mode;
#endif
} JAR_Physical;
typedef struct JAR_Cert_ {
size_t length;
void *key;
CERTCertificate *cert;
} JAR_Cert;
/* certificate stuff */
typedef enum {
jarCertCompany = 1,
jarCertCA = 2,
jarCertSerial = 3,
jarCertExpires = 4,
jarCertNickname = 5,
jarCertFinger = 6,
jarCertJavaHack = 100
} jarCert;
/* callback types */
#define JAR_CB_SIGNAL 1
/*
* This is the base for the JAR error codes. It will
* change when these are incorporated into allxpstr.c,
* but right now they won't let me put them there.
*
*/
#ifndef SEC_ERR_BASE
#define SEC_ERR_BASE (-0x2000)
#endif
#define JAR_BASE SEC_ERR_BASE + 300
/* Jar specific error definitions */
#define JAR_ERR_GENERAL (JAR_BASE + 1)
#define JAR_ERR_FNF (JAR_BASE + 2)
#define JAR_ERR_CORRUPT (JAR_BASE + 3)
#define JAR_ERR_MEMORY (JAR_BASE + 4)
#define JAR_ERR_DISK (JAR_BASE + 5)
#define JAR_ERR_ORDER (JAR_BASE + 6)
#define JAR_ERR_SIG (JAR_BASE + 7)
#define JAR_ERR_METADATA (JAR_BASE + 8)
#define JAR_ERR_ENTRY (JAR_BASE + 9)
#define JAR_ERR_HASH (JAR_BASE + 10)
#define JAR_ERR_PK7 (JAR_BASE + 11)
#define JAR_ERR_PNF (JAR_BASE + 12)
/* Function declarations */
extern JAR *JAR_new(void);
extern void PR_CALLBACK JAR_destroy(JAR *jar);
extern char *JAR_get_error(int status);
extern int JAR_set_callback(int type, JAR *jar, jar_settable_callback_fn *fn);
extern void
JAR_init_callbacks(char *(*string_cb)(int),
void *(*find_cx)(void),
void *(*init_cx)(void));
/*
* JAR_set_context
*
* PKCS11 may require a password to be entered by the user
* before any crypto routines may be called. This will require
* a window context if used from inside Mozilla.
*
* Call this routine with your context before calling
* verifying or signing. If you have no context, call with NULL
* and one will be chosen for you.
*
*/
int JAR_set_context(JAR *jar, void /*MWContext*/ *mw);
/*
* Iterative operations
*
* JAR_find sets up for repeated calls with JAR_find_next.
* I never liked findfirst and findnext, this is nicer.
*
* Pattern contains a relative pathname to match inside the
* archive. It is currently assumed to be "*".
*
* To use:
*
* JAR_Item *item;
* JAR_find (jar, "*.class", jarTypeMF);
* while (JAR_find_next (jar, &item) >= 0)
* { do stuff }
*
*/
/* Replacement functions with an external context */
extern JAR_Context *JAR_find(JAR *jar, char *pattern, jarType type);
extern int JAR_find_next(JAR_Context *ctx, JAR_Item **it);
extern void JAR_find_end(JAR_Context *ctx);
/*
* Function to parse manifest file:
*
* Many signatures may be attached to a single filename located
* inside the zip file. We only support one.
*
* Several manifests may be included in the zip file.
*
* You must pass the MANIFEST.MF file before any .SF files.
*
* Right now this returns a big ole list, privately in the jar structure.
* If you need to traverse it, use JAR_find if possible.
*
* The path is needed to determine what type of binary signature is
* being passed, though it is technically not needed for manifest files.
*
* When parsing an ASCII file, null terminate the ASCII raw_manifest
* prior to sending it, and indicate a length of 0. For binary digital
* signatures only, indicate the true length of the signature.
* (This is legacy behavior.)
*
* You may free the manifest after parsing it.
*
*/
extern int
JAR_parse_manifest(JAR *jar, char *raw_manifest, long length, const char *path,
const char *url);
/*
* Verify data (nonstreaming). The signature is actually
* checked by JAR_parse_manifest or JAR_pass_archive.
*
*/
extern JAR_Digest *PR_CALLBACK
JAR_calculate_digest(void *data, long length);
extern int PR_CALLBACK
JAR_verify_digest(JAR *jar, const char *name, JAR_Digest *dig);
extern int
JAR_digest_file(char *filename, JAR_Digest *dig);
/*
* Meta information
*
* Currently, since this call does not support passing of an owner
* (certificate, or physical name of the .sf file), it is restricted to
* returning information located in the manifest.mf file.
*
* Meta information is a name/value pair inside the archive file. Here,
* the name is passed in *header and value returned in **info.
*
* Pass a NULL as the name to retrieve metainfo from the global section.
*
* Data is returned in **info, of size *length. The return value
* will indicate if no data was found.
*
*/
extern int
JAR_get_metainfo(JAR *jar, char *name, char *header, void **info,
unsigned long *length);
extern char *JAR_get_filename(JAR *jar);
extern char *JAR_get_url(JAR *jar);
/* save the certificate with this fingerprint in persistent
storage, somewhere, for retrieval in a future session when there
is no corresponding JAR structure. */
extern int PR_CALLBACK
JAR_stash_cert(JAR *jar, long keylen, void *key);
/* retrieve a certificate presumably stashed with the above
function, but may be any certificate. Type is &CERTCertificate */
CERTCertificate *
JAR_fetch_cert(long length, void *key);
/*
* New functions to handle archives alone
* (call JAR_new beforehand)
*
* JAR_pass_archive acts much like parse_manifest. Certificates
* are returned in the JAR structure but as opaque data. When calling
* JAR_verified_extract you still need to decide which of these
* certificates to honor.
*
* Code to examine a JAR structure is in jarbert.c. You can obtain both
* a list of filenames and certificates from traversing the linked list.
*
*/
extern int
JAR_pass_archive(JAR *jar, jarArch format, char *filename, const char *url);
/*
* Same thing, but don't check signatures
*/
extern int
JAR_pass_archive_unverified(JAR *jar, jarArch format, char *filename,
const char *url);
/*
* Extracts a relative pathname from the archive and places it
* in the filename specified.
*
* Call JAR_set_nailed if you want to keep the file descriptors
* open between multiple calls to JAR_verify_extract.
*
*/
extern int
JAR_verified_extract(JAR *jar, char *path, char *outpath);
/*
* JAR_extract does no crypto checking. This can be used if you
* need to extract a manifest file or signature, etc.
*
*/
extern int
JAR_extract(JAR *jar, char *path, char *outpath);
#endif /* __JAR_h_ */