1 files changed, 98 insertions, 0 deletions
diff --git a/include/sudo_json.h b/include/sudo_json.h
new file mode 100644
index 0000000..ff942d2
--- /dev/null
+++ b/include/sudo_json.h
@@ -0,0 +1,98 @@
+/*
+ * SPDX-License-Identifier: ISC
+ *
+ * Copyright (c) 2013-2020 Todd C. Miller <Todd.Miller@sudo.ws>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef SUDO_JSON_H
+#define SUDO_JSON_H
+
+#include <sys/types.h>	/* for id_t */
+
+#ifdef HAVE_STDBOOL_H
+# include <stdbool.h>
+#else
+# include "compat/stdbool.h"
+#endif
+
+/*
+ * JSON values may be of the following types.
+ */
+enum json_value_type {
+    JSON_STRING,
+    JSON_ID,
+    JSON_NUMBER,
+    JSON_OBJECT,
+    JSON_ARRAY,
+    JSON_BOOL,
+    JSON_NULL
+};
+
+/*
+ * JSON value suitable for printing.
+ * Note: this does not support object values.
+ */
+struct json_value {
+    enum json_value_type type;
+    union {
+	const char *string;
+	long long number;
+	id_t id;
+	bool boolean;
+    } u;
+};
+
+struct json_container {
+    char *buf;
+    unsigned int buflen;
+    unsigned int bufsize;
+    unsigned int indent_level;
+    unsigned int indent_increment;
+    bool minimal;
+    bool memfatal;
+    bool need_comma;
+};
+
+sudo_dso_public bool sudo_json_init_v1(struct json_container *json, int indent, bool minimal, bool memfatal);
+#define sudo_json_init(_a, _b, _c, _d) sudo_json_init_v1((_a), (_b), (_c), (_d))
+
+sudo_dso_public void sudo_json_free_v1(struct json_container *json);
+#define sudo_json_free(_a) sudo_json_free_v1((_a))
+
+sudo_dso_public bool sudo_json_open_object_v1(struct json_container *json, const char *name);
+#define sudo_json_open_object(_a, _b) sudo_json_open_object_v1((_a), (_b))
+
+sudo_dso_public bool sudo_json_close_object_v1(struct json_container *json);
+#define sudo_json_close_object(_a) sudo_json_close_object_v1((_a))
+
+sudo_dso_public bool sudo_json_open_array_v1(struct json_container *json, const char *name);
+#define sudo_json_open_array(_a, _b) sudo_json_open_array_v1((_a), (_b))
+
+sudo_dso_public bool sudo_json_close_array_v1(struct json_container *json);
+#define sudo_json_close_array(_a) sudo_json_close_array_v1((_a))
+
+sudo_dso_public bool sudo_json_add_value_v1(struct json_container *json, const char *name, struct json_value *value);
+#define sudo_json_add_value(_a, _b, _c) sudo_json_add_value_v1((_a), (_b), (_c))
+
+sudo_dso_public bool sudo_json_add_value_as_object_v1(struct json_container *json, const char *name, struct json_value *value);
+#define sudo_json_add_value_as_object(_a, _b, _c) sudo_json_add_value_as_object_v1((_a), (_b), (_c))
+
+sudo_dso_public char *sudo_json_get_buf_v1(struct json_container *json);
+#define sudo_json_get_buf(_a) sudo_json_get_buf_v1((_a))
+
+sudo_dso_public unsigned int sudo_json_get_len_v1(struct json_container *json);
+#define sudo_json_get_len(_a) sudo_json_get_len_v1((_a))
+
+#endif /* SUDO_JSON_H */