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Diffstat (limited to 'source4/heimdal/lib/krb5/error_string.c')
-rw-r--r--source4/heimdal/lib/krb5/error_string.c146
1 files changed, 111 insertions, 35 deletions
diff --git a/source4/heimdal/lib/krb5/error_string.c b/source4/heimdal/lib/krb5/error_string.c
index ff6e98a3dc..6679b76749 100644
--- a/source4/heimdal/lib/krb5/error_string.c
+++ b/source4/heimdal/lib/krb5/error_string.c
@@ -33,59 +33,71 @@
#include "krb5_locl.h"
-RCSID("$Id: error_string.c 22142 2007-12-04 16:56:02Z lha $");
+RCSID("$Id: error_string.c 23274 2008-06-23 03:25:08Z lha $");
#undef __attribute__
#define __attribute__(X)
void KRB5_LIB_FUNCTION
-krb5_free_error_string(krb5_context context, char *str)
-{
- HEIMDAL_MUTEX_lock(context->mutex);
- if (str != context->error_buf)
- free(str);
- HEIMDAL_MUTEX_unlock(context->mutex);
-}
-
-void KRB5_LIB_FUNCTION
krb5_clear_error_string(krb5_context context)
{
HEIMDAL_MUTEX_lock(context->mutex);
- if (context->error_string != NULL
- && context->error_string != context->error_buf)
+ if (context->error_string)
free(context->error_string);
+ context->error_code = 0;
context->error_string = NULL;
HEIMDAL_MUTEX_unlock(context->mutex);
}
-krb5_error_code KRB5_LIB_FUNCTION
-krb5_set_error_string(krb5_context context, const char *fmt, ...)
- __attribute__((format (printf, 2, 3)))
+/**
+ * Set the context full error string for a specific error code.
+ *
+ * @param context Kerberos 5 context
+ * @param ret The error code
+ * @param fmt Error string for the error code
+ * @param ... printf(3) style parameters.
+ *
+ * @ingroup krb5_error
+ */
+
+void KRB5_LIB_FUNCTION
+krb5_set_error_message(krb5_context context, krb5_error_code ret,
+ const char *fmt, ...)
+ __attribute__ ((format (printf, 3, 4)))
{
- krb5_error_code ret;
va_list ap;
va_start(ap, fmt);
- ret = krb5_vset_error_string (context, fmt, ap);
+ krb5_vset_error_message (context, ret, fmt, ap);
va_end(ap);
- return ret;
}
-krb5_error_code KRB5_LIB_FUNCTION
-krb5_vset_error_string(krb5_context context, const char *fmt, va_list args)
- __attribute__ ((format (printf, 2, 0)))
+/**
+ * Set the context full error string for a specific error code.
+ *
+ * @param context Kerberos 5 context
+ * @param ret The error code
+ * @param fmt Error string for the error code
+ * @param args printf(3) style parameters.
+ *
+ * @ingroup krb5_error
+ */
+
+
+void KRB5_LIB_FUNCTION
+krb5_vset_error_message (krb5_context context, krb5_error_code ret,
+ const char *fmt, va_list args)
+ __attribute__ ((format (printf, 3, 0)))
{
+
krb5_clear_error_string(context);
HEIMDAL_MUTEX_lock(context->mutex);
+ context->error_code = ret;
vasprintf(&context->error_string, fmt, args);
- if(context->error_string == NULL) {
- vsnprintf (context->error_buf, sizeof(context->error_buf), fmt, args);
- context->error_string = context->error_buf;
- }
HEIMDAL_MUTEX_unlock(context->mutex);
- return 0;
}
+
/**
* Return the error message in context. On error or no error string,
* the function returns NULL.
@@ -93,7 +105,7 @@ krb5_vset_error_string(krb5_context context, const char *fmt, va_list args)
* @param context Kerberos 5 context
*
* @return an error string, needs to be freed with
- * krb5_free_error_string(). The functions return NULL on error.
+ * krb5_free_error_message(). The functions return NULL on error.
*
* @ingroup krb5_error
*/
@@ -121,35 +133,99 @@ krb5_have_error_string(krb5_context context)
}
/**
- * Return the error message for `code' in context. On error the
- * function returns NULL.
+ * Return the error message for `code' in context. On memory
+ * allocation error the function returns NULL.
*
* @param context Kerberos 5 context
* @param code Error code related to the error
*
* @return an error string, needs to be freed with
- * krb5_free_error_string(). The functions return NULL on error.
+ * krb5_free_error_message(). The functions return NULL on error.
*
* @ingroup krb5_error
*/
-char * KRB5_LIB_FUNCTION
+const char * KRB5_LIB_FUNCTION
krb5_get_error_message(krb5_context context, krb5_error_code code)
{
const char *cstr;
char *str;
- str = krb5_get_error_string(context);
- if (str)
- return str;
+ HEIMDAL_MUTEX_lock(context->mutex);
+ if (context->error_string &&
+ (code == context->error_code || context->error_code == 0))
+ {
+ str = strdup(context->error_string);
+ if (str) {
+ HEIMDAL_MUTEX_unlock(context->mutex);
+ return str;
+ }
+ }
+ HEIMDAL_MUTEX_unlock(context->mutex);
cstr = krb5_get_err_text(context, code);
if (cstr)
return strdup(cstr);
- if (asprintf(&str, "<unknown error: %d>", code) == -1)
+ if (asprintf(&str, "<unknown error: %d>", (int)code) == -1)
return NULL;
return str;
}
+
+/**
+ * Free the error message returned by krb5_get_error_message().
+ *
+ * @param context Kerberos context
+ * @param msg error message to free, returned byg
+ * krb5_get_error_message().
+ *
+ * @ingroup krb5_error
+ */
+
+void KRB5_LIB_FUNCTION
+krb5_free_error_message(krb5_context context, const char *msg)
+{
+ free(rk_UNCONST(msg));
+}
+
+#ifndef HEIMDAL_SMALLER
+
+/**
+ * Free the error message returned by krb5_get_error_string(),
+ * deprecated, use krb5_free_error_message().
+ *
+ * @param context Kerberos context
+ * @param msg error message to free
+ *
+ * @ingroup krb5_error
+ */
+
+void KRB5_LIB_FUNCTION __attribute__((deprecated))
+krb5_free_error_string(krb5_context context, char *str)
+{
+ krb5_free_error_message(context, str);
+}
+
+krb5_error_code KRB5_LIB_FUNCTION
+krb5_set_error_string(krb5_context context, const char *fmt, ...)
+ __attribute__((format (printf, 2, 3))) __attribute__((deprecated))
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ krb5_vset_error_message (context, 0, fmt, ap);
+ va_end(ap);
+ return 0;
+}
+
+krb5_error_code KRB5_LIB_FUNCTION
+krb5_vset_error_string(krb5_context context, const char *fmt, va_list args)
+ __attribute__ ((format (printf, 2, 0))) __attribute__((deprecated))
+{
+ krb5_vset_error_message(context, 0, fmt, args);
+ return 0;
+}
+
+#endif /* !HEIMDAL_SMALLER */