git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@2280 ec53bebd-3082-4978-b11e-865c3cabbd6b
		
			
				
	
	
		
			103 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			103 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
#include "gssapi_locl.h"
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RCSID("$Id$");
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static OM_uint32
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import_krb5_name (OM_uint32 *minor_status,
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		  const gss_buffer_t input_name_buffer,
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		  gss_name_t *output_name)
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{
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    krb5_error_code kerr;
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    char *tmp;
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    tmp = malloc (input_name_buffer->length + 1);
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    if (tmp == NULL)
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	return GSS_S_FAILURE;
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    memcpy (tmp,
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	    input_name_buffer->value,
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	    input_name_buffer->length);
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    tmp[input_name_buffer->length] = '\0';
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    kerr = krb5_parse_name (gssapi_krb5_context,
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			    tmp,
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			    output_name);
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    free (tmp);
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    if (kerr == 0)
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	return GSS_S_COMPLETE;
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    else if (kerr == KRB5_PARSE_ILLCHAR || kerr == KRB5_PARSE_MALFORMED)
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	return GSS_S_BAD_NAME;
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    else
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	return GSS_S_FAILURE;
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}
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static OM_uint32
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import_hostbased_name (OM_uint32 *minor_status,
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		       const gss_buffer_t input_name_buffer,
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		       gss_name_t *output_name)
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{
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    krb5_error_code kerr;
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    char *tmp;
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    char *p;
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    char *host;
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    char local_hostname[MAXHOSTNAMELEN];
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    struct hostent *hostent;
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    tmp = malloc (input_name_buffer->length + 1);
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    if (tmp == NULL)
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	return GSS_S_FAILURE;
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    memcpy (tmp,
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	    input_name_buffer->value,
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	    input_name_buffer->length);
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    tmp[input_name_buffer->length] = '\0';
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    p = strchr (tmp, '@');
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    if (p != NULL) {
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	*p = '\0';
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	host = p + 1;
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    } else {
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	if (gethostname(local_hostname, sizeof(local_hostname)) < 0) {
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	    free (tmp);
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	    return GSS_S_FAILURE;
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	}
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	host = local_hostname;
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    }
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    hostent = gethostbyname (host);
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    if (hostent != NULL)
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	host = hostent->h_name;
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    strlwr (host);
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    kerr = krb5_sname_to_principal (gssapi_krb5_context,
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				    host,
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				    tmp,
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				    KRB5_NT_SRV_HST,
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				    output_name);
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    free (tmp);
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    if (kerr == 0)
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	return GSS_S_COMPLETE;
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    else if (kerr == KRB5_PARSE_ILLCHAR || kerr == KRB5_PARSE_MALFORMED)
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	return GSS_S_BAD_NAME;
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    else
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	return GSS_S_FAILURE;
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}
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OM_uint32 gss_import_name
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           (OM_uint32 * minor_status,
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            const gss_buffer_t input_name_buffer,
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            const gss_OID input_name_type,
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            gss_name_t * output_name
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           )
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{
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    gssapi_krb5_init ();
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    if (input_name_type == GSS_C_NT_HOSTBASED_SERVICE)
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	return import_hostbased_name (minor_status,
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				      input_name_buffer,
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				      output_name);
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    else if (input_name_type == GSS_C_NO_OID) 	/* default printable syntax */
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	return import_krb5_name (minor_status,
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				 input_name_buffer,
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				 output_name);
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    else
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	return GSS_S_BAD_NAMETYPE;
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}
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