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- Added permissive certificate parsing to x509parse_crt() and x509parse_crtfile(). With permissive parsing the parsing does not stop on encountering a parse-error

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This commit is contained in:
Paul Bakker 2011-12-04 12:24:18 +00:00
parent a17bcc3033
commit 6c0ceb3f9a
15 changed files with 210 additions and 116 deletions
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28
include/polarssl/x509.h
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@ -58,7 +58,7 @@
#define POLARSSL_ERR_X509_CERT_VERIFY_FAILED -0x2800 /**< Certificate verification failed, e.g. CRL, CA or signature check failed. */
#define POLARSSL_ERR_X509_KEY_INVALID_VERSION -0x2880 /**< Unsupported RSA key version */
#define POLARSSL_ERR_X509_KEY_INVALID_FORMAT -0x2900 /**< Invalid RSA key tag or value. */
#define POLARSSL_ERR_X509_POINT_ERROR -0x2980 /**< Not used. */
#define POLARSSL_ERR_X509_CERT_UNKNOWN_FORMAT -0x2980 /**< Format not recognized as DER or PEM. */
#define POLARSSL_ERR_X509_VALUE_TO_LENGTH -0x2A00 /**< Not used. */
/* \} name */
@ -220,6 +220,17 @@
#define EXT_NS_CERT_TYPE (1 << 16)
/*
* Storage format identifiers
* Recognized formats: PEM and DER
*/
#define X509_FORMAT_DER 1
#define X509_FORMAT_PEM 2
#define X509_NON_PERMISSIVE 0
#define X509_PERMISSIVE 1
/**
* \addtogroup x509_module
* \{ */
@ -409,27 +420,34 @@ extern "C" {
/** \ingroup x509_module */
/**
* \brief Parse one or more certificates and add them
* to the chained list
* to the chained list. With permissive parsing enabled
* all certificates that cannot be parsed are ignored.
* If none complete correctly, the first error is returned.
*
* \param chain points to the start of the chain
* \param buf buffer holding the certificate data
* \param buflen size of the buffer
* \param permissive X509_PERMISSIVE or X509_NON_PERMISSIVE
*
* \return 0 if successful, or a specific X509 or PEM error code
*/
int x509parse_crt( x509_cert *chain, const unsigned char *buf, size_t buflen );
int x509parse_crt( x509_cert *chain, const unsigned char *buf, size_t buflen,
int permissive );
/** \ingroup x509_module */
/**
* \brief Load one or more certificates and add them
* to the chained list
* to the chained list. With permissive parsing enabled
* all certificates that cannot be parsed are ignored.
* If none complete correctly, the first error is returned.
*
* \param chain points to the start of the chain
* \param path filename to read the certificates from
* \param permissive X509_PERMISSIVE or X509_NON_PERMISSIVE
*
* \return 0 if successful, or a specific X509 or PEM error code
*/
int x509parse_crtfile( x509_cert *chain, const char *path );
int x509parse_crtfile( x509_cert *chain, const char *path, int permissive );
/** \ingroup x509_module */
/**