summaryrefslogtreecommitdiffstats
path: root/src/include/parser.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/include/parser.h')
-rw-r--r--src/include/parser.h111
1 files changed, 111 insertions, 0 deletions
diff --git a/src/include/parser.h b/src/include/parser.h
new file mode 100644
index 0000000..9f3fdeb
--- /dev/null
+++ b/src/include/parser.h
@@ -0,0 +1,111 @@
+#ifndef FR_PARSER_H
+#define FR_PARSER_H
+
+/*
+ * parser.h Structures and prototypes for parsing
+ * Version: $Id$
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ *
+ * Copyright 2013 Alan DeKok <aland@freeradius.org>
+ */
+
+RCSIDH(parser_h, "$Id$")
+
+#include <freeradius-devel/map.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef RADIUSD_H
+/*
+ * Also defined in radiusd.h for radius_evalute_cond()
+ */
+typedef struct fr_cond_t fr_cond_t;
+#endif
+
+typedef enum {
+ COND_NONE = 0,
+ COND_AND = '&',
+ COND_OR = '|'
+} fr_cond_op_t;
+
+
+typedef enum {
+ COND_TYPE_INVALID = 0,
+ COND_TYPE_TRUE,
+ COND_TYPE_FALSE,
+ COND_TYPE_EXISTS,
+ COND_TYPE_MAP,
+ COND_TYPE_CHILD
+} fr_cond_type_t;
+
+typedef enum {
+ PASS2_FIXUP_NONE = 0,
+ PASS2_FIXUP_ATTR,
+ PASS2_FIXUP_TYPE,
+ PASS2_PAIRCOMPARE
+} fr_cond_pass2_t;
+
+/*
+ * Allow for the following structures:
+ *
+ * FOO no OP, RHS is NULL
+ * FOO OP BAR
+ * (COND) no LHS/RHS, child is COND, child OP is true
+ * (!(COND)) no LHS/RHS, child is COND, child OP is NOT
+ * (COND1 OP COND2) no LHS/RHS, next is COND2, next OP is OP
+ */
+struct fr_cond_t {
+ fr_cond_type_t type;
+
+ CONF_ITEM const *ci;
+ union {
+ vp_map_t *map;
+ vp_tmpl_t *vpt;
+ fr_cond_t *child;
+ } data;
+
+ bool negate;
+ fr_cond_pass2_t pass2_fixup;
+
+ DICT_ATTR const *cast;
+
+ fr_cond_op_t next_op;
+ fr_cond_t *next;
+};
+
+
+/*
+ * One pass over the conditions means that all references must
+ * exist at parse time.
+ *
+ * Two pass means "soft fail", that some invalid references are
+ * left for pass 2.
+ */
+#define FR_COND_ONE_PASS (0)
+#define FR_COND_TWO_PASS (1)
+
+ssize_t fr_condition_tokenize(TALLOC_CTX *ctx, CONF_ITEM *ci, char const *start, fr_cond_t **head, char const **error, int flag);
+size_t fr_cond_sprint(char *buffer, size_t bufsize, fr_cond_t const *c);
+
+bool fr_condition_walk(fr_cond_t *head, bool (*callback)(void *, fr_cond_t *), void *ctx);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* FR_PARSER_H */