Document more error codes.

diff --git a/doc/crypto/X509_STORE_CTX_get_error.pod b/doc/crypto/X509_STORE_CTX_get_error.pod
index 076e4a3abc51180b65945bcc4efba22d337f02a9..a883f6c09783b7f0c70c9e3fc789b92ad4f1eec9 100644 (file)
--- a/doc/crypto/X509_STORE_CTX_get_error.pod
+++ b/doc/crypto/X509_STORE_CTX_get_error.pod
@@ -2,10 +2,11 @@
 
 =head1 NAME
 
 
 =head1 NAME
 

-X509_STORE_CTX_get_error, X509_STORE_CTX_set_error, X509_STORE_CTX_get_error_depth, X509_STORE_CTX_get_current_cert, X509_STORE_CTX_get1_chain - get or set certificate verification status information
+X509_STORE_CTX_get_error, X509_STORE_CTX_set_error, X509_STORE_CTX_get_error_depth, X509_STORE_CTX_get_current_cert, X509_STORE_CTX_get1_chain, X509_verify_cert_error_string - get or set certificate verification status information

 
 =head1 SYNOPSIS
 
 
 =head1 SYNOPSIS
 

+ #include <openssl/x509.h>

  #include <openssl/x509_vfy.h>
 
  int   X509_STORE_CTX_get_error(X509_STORE_CTX *ctx);
  #include <openssl/x509_vfy.h>
 
  int   X509_STORE_CTX_get_error(X509_STORE_CTX *ctx);


@@ -15,6 +16,8 @@ X509_STORE_CTX_get_error, X509_STORE_CTX_set_error, X509_STORE_CTX_get_error_dep
 
  STACK_OF(X509) *X509_STORE_CTX_get1_chain(X509_STORE_CTX *ctx);
 
 
  STACK_OF(X509) *X509_STORE_CTX_get1_chain(X509_STORE_CTX *ctx);
 

+ const char *X509_verify_cert_error_string(long n);
+

 =head1 DESCRIPTION
 
 These functions are typically called after X509_verify_cert() has indicated
 =head1 DESCRIPTION
 
 These functions are typically called after X509_verify_cert() has indicated


@@ -43,21 +46,26 @@ no longer needed it should be free up using:
 
   sk_X509_pop_free(chain, X509_free);
 
 
   sk_X509_pop_free(chain, X509_free);
 

+X509_verify_cert_error_string() returns a human readable error string for
+verification error B<n>.
+

 =head1 RETURN VALUES
 
 =head1 RETURN VALUES
 

-X509_STORE_CTX_get_error() returns an B<X509_V_OK> or an error code.
+X509_STORE_CTX_get_error() returns B<X509_V_OK> or an error code.

 
 X509_STORE_CTX_get_error_depth() returns a non-negative error depth.
 
 X509_STORE_CTX_get_current_cert() returns the cerificate which caused the
 error or B<NULL> if no certificate is relevant to the error.
 
 
 X509_STORE_CTX_get_error_depth() returns a non-negative error depth.
 
 X509_STORE_CTX_get_current_cert() returns the cerificate which caused the
 error or B<NULL> if no certificate is relevant to the error.
 

+X509_verify_cert_error_string() returns a human readable error string for
+verification error B<n>.
+

 =head1 ERROR CODES
 
 =head1 ERROR CODES
 

-An exhaustive list of the error codes and messages is shown below, this also
-includes the name of the error code as defined in the header file x509_vfy.h
-Some of the error codes are defined but never returned: these are described
-as "unused".
+A list of error codes and messages is shown below.  Some of the
+error codes are defined but currently never returned: these are described as
+"unused".

 
 =over 4
 
 
 =over 4
 


@@ -211,6 +219,60 @@ extension does not permit certificate signing. This is only set if issuer check
 debugging is enabled it is used for status notification and is B<not> in itself
 an error.
 
 debugging is enabled it is used for status notification and is B<not> in itself
 an error.
 

+=item B<X509_V_ERR_INVALID_EXTENSION: invalid or inconsistent certificate extension>
+
+A certificate extension had an invalid value (for example an incorrect
+encoding) or some value inconsistent with other extensions.
+
+
+=item B<X509_V_ERR_INVALID_POLICY_EXTENSION: invalid or inconsistent certificate policy extension>
+
+A certificate policies extension had an invalid value (for example an incorrect
+encoding) or some value inconsistent with other extensions. This error only
+occurs if policy processing is enabled.
+
+=item B<X509_V_ERR_NO_EXPLICIT_POLICY: no explicit policy>
+
+The verification flags were set to require and explicit policy but none was
+present.
+
+=item B<X509_V_ERR_DIFFERENT_CRL_SCOPE: Different CRL scope>
+
+The only CRLs that could be found did not match the scope of the certificate.
+
+=item B<X509_V_ERR_UNSUPPORTED_EXTENSION_FEATURE: Unsupported extension feature>
+
+Some feature of a certificate extension is not supported. Unused.
+
+=item B<X509_V_ERR_PERMITTED_VIOLATION: permitted subtree violation>
+
+A name constraint violation occured in the permitted subtrees.
+
+=item B<X509_V_ERR_EXCLUDED_VIOLATION: excluded subtree violation>
+
+A name constraint violation occured in the excluded subtrees.
+
+=item B<X509_V_ERR_SUBTREE_MINMAX: name constraints minimum and maximum not supported>
+
+A certificate name constraints extension included a minimum or maximum field:
+this is not supported.
+
+=item B<X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE: unsupported name constraint type>
+
+An unsupported name constraint type was encountered. OpenSSL currently only
+supports directory name, DNS name, email and URI types.
+
+=item B<X509_V_ERR_UNSUPPORTED_CONSTRAINT_SYNTAX: unsupported or invalid name constraint syntax>
+
+The format of the name constraint is not recognised: for example an email
+address format of a form not mentioned in RFC3280. This could be caused by
+a garbage extension or some new feature not currently supported.
+
+=item B<X509_V_ERR_CRL_PATH_VALIDATION_ERROR: CRL path validation error>
+
+An error occured when attempting to verify the CRL path. This error can only
+happen if extended CRL checking is enabled.
+

 =item B<X509_V_ERR_APPLICATION_VERIFICATION: application verification failure>
 
 an application specific error. This will never be returned unless explicitly
 =item B<X509_V_ERR_APPLICATION_VERIFICATION: application verification failure>
 
 an application specific error. This will never be returned unless explicitly


@@ -226,7 +288,9 @@ X509_STORE_CTX_get_current_cert() was never B<NULL>. Applications should
 check the return value before printing out any debugging information relating
 to the current certificate.
 
 check the return value before printing out any debugging information relating
 to the current certificate.
 

-=head1 BUGS
+If an unrecognised error code is passed to X509_verify_cert_error_string() the
+numerical value of the unknown code is returned in a static buffer. This is not
+thread safe but will never happen unless an invalid code is passed.

 
 =head1 SEE ALSO
 
 
 =head1 SEE ALSO