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openwrt-xburst/package/px5g/src/polarssl/x509.h
jow afc9f776d2 [package] add px5g (moved from LuCI trunk) 
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20429 3c298f89-4303-0410-b956-a3cf2f4a3e73
2010-03-25 15:46:39 +00:00

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/**
* \file x509.h
*
* Based on XySSL: Copyright (C) 2006-2008 Christophe Devine
*
* Copyright (C) 2009 Paul Bakker <polarssl_maintainer at polarssl dot org>
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the names of PolarSSL or XySSL nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef POLARSSL_X509_H
#define POLARSSL_X509_H
#include "polarssl/rsa.h"
#define POLARSSL_ERR_ASN1_OUT_OF_DATA -0x0014
#define POLARSSL_ERR_ASN1_UNEXPECTED_TAG -0x0016
#define POLARSSL_ERR_ASN1_INVALID_LENGTH -0x0018
#define POLARSSL_ERR_ASN1_LENGTH_MISMATCH -0x001A
#define POLARSSL_ERR_ASN1_INVALID_DATA -0x001C
#define POLARSSL_ERR_X509_FEATURE_UNAVAILABLE -0x0020
#define POLARSSL_ERR_X509_CERT_INVALID_PEM -0x0040
#define POLARSSL_ERR_X509_CERT_INVALID_FORMAT -0x0060
#define POLARSSL_ERR_X509_CERT_INVALID_VERSION -0x0080
#define POLARSSL_ERR_X509_CERT_INVALID_SERIAL -0x00A0
#define POLARSSL_ERR_X509_CERT_INVALID_ALG -0x00C0
#define POLARSSL_ERR_X509_CERT_INVALID_NAME -0x00E0
#define POLARSSL_ERR_X509_CERT_INVALID_DATE -0x0100
#define POLARSSL_ERR_X509_CERT_INVALID_PUBKEY -0x0120
#define POLARSSL_ERR_X509_CERT_INVALID_SIGNATURE -0x0140
#define POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS -0x0160
#define POLARSSL_ERR_X509_CERT_UNKNOWN_VERSION -0x0180
#define POLARSSL_ERR_X509_CERT_UNKNOWN_SIG_ALG -0x01A0
#define POLARSSL_ERR_X509_CERT_UNKNOWN_PK_ALG -0x01C0
#define POLARSSL_ERR_X509_CERT_SIG_MISMATCH -0x01E0
#define POLARSSL_ERR_X509_CERT_VERIFY_FAILED -0x0200
#define POLARSSL_ERR_X509_KEY_INVALID_PEM -0x0220
#define POLARSSL_ERR_X509_KEY_INVALID_VERSION -0x0240
#define POLARSSL_ERR_X509_KEY_INVALID_FORMAT -0x0260
#define POLARSSL_ERR_X509_KEY_INVALID_ENC_IV -0x0280
#define POLARSSL_ERR_X509_KEY_UNKNOWN_ENC_ALG -0x02A0
#define POLARSSL_ERR_X509_KEY_PASSWORD_REQUIRED -0x02C0
#define POLARSSL_ERR_X509_KEY_PASSWORD_MISMATCH -0x02E0
#define POLARSSL_ERR_X509_POINT_ERROR -0x0300
#define POLARSSL_ERR_X509_VALUE_TO_LENGTH -0x0320
#define BADCERT_EXPIRED 1
#define BADCERT_REVOKED 2
#define BADCERT_CN_MISMATCH 4
#define BADCERT_NOT_TRUSTED 8
/*
* DER constants
*/
#define ASN1_BOOLEAN 0x01
#define ASN1_INTEGER 0x02
#define ASN1_BIT_STRING 0x03
#define ASN1_OCTET_STRING 0x04
#define ASN1_NULL 0x05
#define ASN1_OID 0x06
#define ASN1_UTF8_STRING 0x0C
#define ASN1_SEQUENCE 0x10
#define ASN1_SET 0x11
#define ASN1_PRINTABLE_STRING 0x13
#define ASN1_T61_STRING 0x14
#define ASN1_IA5_STRING 0x16
#define ASN1_UTC_TIME 0x17
#define ASN1_UNIVERSAL_STRING 0x1C
#define ASN1_BMP_STRING 0x1E
#define ASN1_PRIMITIVE 0x00
#define ASN1_CONSTRUCTED 0x20
#define ASN1_CONTEXT_SPECIFIC 0x80
/*
* various object identifiers
*/
#define X520_COMMON_NAME 3
#define X520_COUNTRY 6
#define X520_LOCALITY 7
#define X520_STATE 8
#define X520_ORGANIZATION 10
#define X520_ORG_UNIT 11
#define PKCS9_EMAIL 1
#define X509_OUTPUT_DER 0x01
#define X509_OUTPUT_PEM 0x02
#define PEM_LINE_LENGTH 72
#define X509_ISSUER 0x01
#define X509_SUBJECT 0x02
#define OID_X520 "\x55\x04"
#define OID_CN "\x55\x04\x03"
#define OID_PKCS1 "\x2A\x86\x48\x86\xF7\x0D\x01\x01"
#define OID_PKCS1_RSA "\x2A\x86\x48\x86\xF7\x0D\x01\x01\x01"
#define OID_PKCS1_RSA_SHA "\x2A\x86\x48\x86\xF7\x0D\x01\x01\x05"
#define OID_PKCS9 "\x2A\x86\x48\x86\xF7\x0D\x01\x09"
#define OID_PKCS9_EMAIL "\x2A\x86\x48\x86\xF7\x0D\x01\x09\x01"
/*
* Structures for parsing X.509 certificates
*/
typedef struct _x509_buf
{
int tag;
int len;
unsigned char *p;
}
x509_buf;
typedef struct _x509_name
{
x509_buf oid;
x509_buf val;
struct _x509_name *next;
}
x509_name;
typedef struct _x509_time
{
int year, mon, day;
int hour, min, sec;
}
x509_time;
typedef struct _x509_cert
{
x509_buf raw;
x509_buf tbs;
int version;
x509_buf serial;
x509_buf sig_oid1;
x509_buf issuer_raw;
x509_buf subject_raw;
x509_name issuer;
x509_name subject;
x509_time valid_from;
x509_time valid_to;
x509_buf pk_oid;
rsa_context rsa;
x509_buf issuer_id;
x509_buf subject_id;
x509_buf v3_ext;
int ca_istrue;
int max_pathlen;
x509_buf sig_oid2;
x509_buf sig;
struct _x509_cert *next;
}
x509_cert;
/*
* Structures for writing X.509 certificates
*/
typedef struct _x509_node
{
unsigned char *data;
unsigned char *p;
unsigned char *end;
size_t len;
}
x509_node;
typedef struct _x509_raw
{
x509_node raw;
x509_node tbs;
x509_node version;
x509_node serial;
x509_node tbs_signalg;
x509_node issuer;
x509_node validity;
x509_node subject;
x509_node subpubkey;
x509_node signalg;
x509_node sign;
}
x509_raw;
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Parse one or more certificates and add them
* to the chained list
*
* \param chain points to the start of the chain
* \param buf buffer holding the certificate data
* \param buflen size of the buffer
*
* \return 0 if successful, or a specific X509 error code
*/
int x509parse_crt( x509_cert *crt, unsigned char *buf, int buflen );
/**
* \brief Load one or more certificates and add them
* to the chained list
*
* \param chain points to the start of the chain
* \param path filename to read the certificates from
*
* \return 0 if successful, or a specific X509 error code
*/
int x509parse_crtfile( x509_cert *crt, char *path );
/**
* \brief Parse a private RSA key
*
* \param rsa RSA context to be initialized
* \param buf input buffer
* \param buflen size of the buffer
* \param pwd password for decryption (optional)
* \param pwdlen size of the password
*
* \return 0 if successful, or a specific X509 error code
*/
int x509parse_key( rsa_context *rsa,
unsigned char *buf, int buflen,
unsigned char *pwd, int pwdlen );
/**
* \brief Load and parse a private RSA key
*
* \param rsa RSA context to be initialized
* \param path filename to read the private key from
* \param pwd password to decrypt the file (can be NULL)
*
* \return 0 if successful, or a specific X509 error code
*/
int x509parse_keyfile( rsa_context *rsa, char *path, char *password );
/**
* \brief Store the certificate DN in printable form into buf;
* no more than (end - buf) characters will be written.
*/
int x509parse_dn_gets( char *buf, char *end, x509_name *dn );
/**
* \brief Returns an informational string about the
* certificate.
*/
char *x509parse_cert_info( char *prefix, x509_cert *crt );
/**
* \brief Return 0 if the certificate is still valid,
* or BADCERT_EXPIRED
*/
int x509parse_expired( x509_cert *crt );
/**
* \brief Verify the certificate signature
*
* \param crt a certificate to be verified
* \param trust_ca the trusted CA chain
* \param cn expected Common Name (can be set to
* NULL if the CN must not be verified)
* \param flags result of the verification
*
* \return 0 if successful or POLARSSL_ERR_X509_SIG_VERIFY_FAILED,
* in which case *flags will have one or more of
* the following values set:
* BADCERT_EXPIRED --
* BADCERT_REVOKED --
* BADCERT_CN_MISMATCH --
* BADCERT_NOT_TRUSTED
*
* \note TODO: add two arguments, depth and crl
*/
int x509parse_verify( x509_cert *crt,
x509_cert *trust_ca,
char *cn, int *flags );
/**
* \brief Unallocate all certificate data
*/
void x509_free( x509_cert *crt );
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int x509_self_test( int verbose );
/**
* \brief Write a certificate info file
*
* \param chain points to the raw certificate data
* \param path filename to write the certificate to
* \param format X509_OUTPUT_DER or X509_OUTPUT_PEM
*
* \return 0 if successful, or a specific X509 error code
*/
int x509write_crtfile( x509_raw *chain,
unsigned char *path,
int format );
/**
* \brief Write a certificate signing request message format file
*
* \param chain points to the raw certificate (with x509write_create_csr) data
* \param path filename to write the certificate to
* \param format X509_OUTPUT_DER or X509_OUTPUT_PEM
*
* \return 0 if successful, or a specific X509 error code
*/
int x509write_csrfile( x509_raw *chain,
unsigned char *path,
int format );
/*
* \brief Write a private RSA key into a file
*
* \param rsa points to an RSA key
* \param path filename to write the key to
* \param format X509_OUTPUT_DER or X509_OUTPUT_PEM
*
* \return 0 if successful, or a specific X509 error code
*/
int x509write_keyfile( rsa_context *rsa,
char *path,
int format );
/**
* \brief Add a public key to certificate
*
* \param chain points to the raw certificate data
* \param pubkey points to an RSA key
*
* \return 0 if successful, or a specific X509 error code
*/
int x509write_add_pubkey( x509_raw *chain, rsa_context *pubkey );
/**
* \brief Create x509 subject/issuer field to raw certificate
* from string or CA cert. Make string NULL if you will
* use the CA copy function or make CA NULL then used
* the string parse.
*
* \param chain points to the raw certificate data
* \param names a string that can hold (separete with ";"):
* CN=CommonName
* -- O=Organization
* -- OU=OrgUnit
* -- ST=State
* -- L=Locality
* -- R=Email
* -- C=Country
* . Make that NULL if you didn't need that.
* \param flag flag is X509_ISSUER or X509_SUBJECT that defined
* where change
* \param ca the certificate for copy data. Make that NULL if you
* didn't need that.
* \param ca_flag set the ca field from copy to crt
*
* \return 0 if successful, or a specific X509 error code
*/
int x509write_add_customize ( x509_raw *crt,
unsigned char *names,
int flag,
x509_cert *ca,
int ca_flag );
/**
* \brief Add x509 issuer field
*
* \param chain points to the raw certificate data
* \param issuer a string holding (separete with ";"):
* CN=CommonName
* -- O=Organization
* -- OU=OrgUnit
* -- ST=State
* -- L=Locality
* -- R=Email
* -- C=Country
* . Set this to NULL if not needed.
* \return 0 if successful, or a specific X509 error code
*/
int x509write_add_issuer( x509_raw *crt, unsigned char *issuer);
/**
* \brief Add x509 subject field
*
* \param chain points to the raw certificate data
* \param subject a string holding (separete with ";"):
* CN=CommonName
* -- O=Organization
* -- OU=OrgUnit
* -- ST=State
* -- L=Locality
* -- R=Email
* -- C=Country
* . Set this to NULL if not needed.
* \return 0 if successful, or a specific X509 error code
*/
int x509write_add_subject( x509_raw *crt, unsigned char *subject);
/**
* \brief Copy x509 issuer field from another certificate
*
* \param chain points to the raw certificate data
* \param from_crt the certificate whose issuer is to be copied.
* \return 0 if successful, or a specific X509 error code
*/
int x509write_copy_issuer(x509_raw *crt, x509_cert *from_crt);
/**
* \brief Copy x509 subject field from another certificate
*
* \param chain points to the raw certificate data
* \param from_crt the certificate whose subject is to be copied.
* \return 0 if successful, or a specific X509 error code
*/
int x509write_copy_subject(x509_raw *crt, x509_cert *from_crt);
/**
* \brief Copy x509 issuer field from the subject of another certificate
*
* \param chain points to the raw certificate data
* \param from_crt the certificate whose subject is to be copied.
* \return 0 if successful, or a specific X509 error code
*/
int x509write_copy_issuer_from_subject(x509_raw *crt, x509_cert *from_crt);
/**
* \brief Copy x509 subject field from the issuer of another certificate
*
* \param chain points to the raw certificate data
* \param from_crt the certificate whose issuer is to be copied.
* \return 0 if successful, or a specific X509 error code
*/
int x509write_copy_subject_from_issuer(x509_raw *crt, x509_cert *from_crt);
/**
* \brief Create x509 validity time in UTC
*
* \param chain points to the raw certificate data
* \param before valid not before in format YYYY-MM-DD hh:mm:ss
* \param after valid not after in format YYYY-MM-DD hh:mm:ss
*
* \return 0 if successful, or a specific X509 error code
*/
int x509write_add_validity( x509_raw *crt,
unsigned char *before,
unsigned char *after );
/**
* \brief Create a self-signed certificate
*
* \param chain points to the raw certificate data
* \param rsa a private key to sign the certificate
*
* \return 0 if successful, or a specific X509 error code
*/
int x509write_create_selfsign( x509_raw *crt, rsa_context *raw );
/**
* \brief Create a certificate
*
* \param chain points to the raw certificate data
* \param rsa a private key to sign the certificate
*
* \return 0 if successful, or a specific X509 error code
*/
int x509write_create_sign( x509_raw *crt, rsa_context *raw );
/**
* \brief Create a certificate signing request
*
* \param chain points to the raw certificate data. Didn't use the
* same chain that u have use for certificate.
* \param privkey a rsa private key
*
* \return 0 if successful, or a specific X509 error code
*/
int x509write_create_csr( x509_raw *chain, rsa_context *privkey );
/**
* \brief Serialize an rsa key into DER
*
* \param rsa a rsa key for output
* \param node a x509 node for write into
*
* \return 0 if successful, or a specific X509 error code
*/
int x509write_serialize_key( rsa_context *rsa, x509_node *node );
/**
* \brief Unallocate all raw certificate data
*/
void x509write_free_raw( x509_raw *crt );
/**
* \brief Allocate all raw certificate data
*/
void x509write_init_raw( x509_raw *crt );
/**
* \brief Unallocate all node certificate data
*/
void x509write_free_node( x509_node *crt_node );
/**
* \brief Allocate all node certificate data
*/
void x509write_init_node( x509_node *crt_node );
#ifdef __cplusplus
}
#endif
#endif /* x509.h */
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