/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
+#include <fcntl.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
+#include "sd-id128.h"
+
#include "macro.h"
#include "string-util.h"
#include "log.h"
} JsonVariantType;
int json_variant_new_stringn(JsonVariant **ret, const char *s, size_t n);
+int json_variant_new_base64(JsonVariant **ret, const void *p, size_t n);
int json_variant_new_integer(JsonVariant **ret, intmax_t i);
int json_variant_new_unsigned(JsonVariant **ret, uintmax_t u);
int json_variant_new_real(JsonVariant **ret, long double d);
int json_variant_new_array_strv(JsonVariant **ret, char **l);
int json_variant_new_object(JsonVariant **ret, JsonVariant **array, size_t n);
int json_variant_new_null(JsonVariant **ret);
+int json_variant_new_id128(JsonVariant **ret, sd_id128_t id);
static inline int json_variant_new_string(JsonVariant **ret, const char *s) {
return json_variant_new_stringn(ret, s, (size_t) -1);
}
bool json_variant_is_negative(JsonVariant *v);
+bool json_variant_is_blank_object(JsonVariant *v);
+bool json_variant_is_blank_array(JsonVariant *v);
+bool json_variant_is_normalized(JsonVariant *v);
+bool json_variant_is_sorted(JsonVariant *v);
size_t json_variant_elements(JsonVariant *v);
JsonVariant *json_variant_by_index(JsonVariant *v, size_t index);
bool json_variant_equal(JsonVariant *a, JsonVariant *b);
+void json_variant_sensitive(JsonVariant *v);
+bool json_variant_is_sensitive(JsonVariant *v);
+
struct json_variant_foreach_state {
JsonVariant *variant;
size_t idx;
int json_variant_get_source(JsonVariant *v, const char **ret_source, unsigned *ret_line, unsigned *ret_column);
typedef enum JsonFormatFlags {
- JSON_FORMAT_NEWLINE = 1 << 0, /* suffix with newline */
- JSON_FORMAT_PRETTY = 1 << 1, /* add internal whitespace to appeal to human readers */
- JSON_FORMAT_COLOR = 1 << 2, /* insert ANSI color sequences */
- JSON_FORMAT_COLOR_AUTO = 1 << 3, /* insert ANSI color sequences if colors_enabled() says so */
- JSON_FORMAT_SOURCE = 1 << 4, /* prefix with source filename/line/column */
- JSON_FORMAT_SSE = 1 << 5, /* prefix/suffix with W3C server-sent events */
- JSON_FORMAT_SEQ = 1 << 6, /* prefix/suffix with RFC 7464 application/json-seq */
+ JSON_FORMAT_NEWLINE = 1 << 0, /* suffix with newline */
+ JSON_FORMAT_PRETTY = 1 << 1, /* add internal whitespace to appeal to human readers */
+ JSON_FORMAT_PRETTY_AUTO = 1 << 2, /* same, but only if connected to a tty (and JSON_FORMAT_NEWLINE otherwise) */
+ JSON_FORMAT_COLOR = 1 << 3, /* insert ANSI color sequences */
+ JSON_FORMAT_COLOR_AUTO = 1 << 4, /* insert ANSI color sequences if colors_enabled() says so */
+ JSON_FORMAT_SOURCE = 1 << 5, /* prefix with source filename/line/column */
+ JSON_FORMAT_SSE = 1 << 6, /* prefix/suffix with W3C server-sent events */
+ JSON_FORMAT_SEQ = 1 << 7, /* prefix/suffix with RFC 7464 application/json-seq */
+ JSON_FORMAT_FLUSH = 1 << 8, /* call fflush() after dumping JSON */
} JsonFormatFlags;
int json_variant_format(JsonVariant *v, JsonFormatFlags flags, char **ret);
void json_variant_dump(JsonVariant *v, JsonFormatFlags flags, FILE *f, const char *prefix);
-int json_parse(const char *string, JsonVariant **ret, unsigned *ret_line, unsigned *ret_column);
-int json_parse_continue(const char **p, JsonVariant **ret, unsigned *ret_line, unsigned *ret_column);
-int json_parse_file(FILE *f, const char *path, JsonVariant **ret, unsigned *ret_line, unsigned *ret_column);
+int json_variant_filter(JsonVariant **v, char **to_remove);
+
+int json_variant_set_field(JsonVariant **v, const char *field, JsonVariant *value);
+int json_variant_set_field_string(JsonVariant **v, const char *field, const char *value);
+int json_variant_set_field_integer(JsonVariant **v, const char *field, intmax_t value);
+int json_variant_set_field_unsigned(JsonVariant **v, const char *field, uintmax_t value);
+int json_variant_set_field_boolean(JsonVariant **v, const char *field, bool b);
+int json_variant_set_field_strv(JsonVariant **v, const char *field, char **l);
+
+int json_variant_append_array(JsonVariant **v, JsonVariant *element);
+
+int json_variant_merge(JsonVariant **v, JsonVariant *m);
+
+int json_variant_strv(JsonVariant *v, char ***ret);
+
+int json_variant_sort(JsonVariant **v);
+int json_variant_normalize(JsonVariant **v);
+
+typedef enum JsonParseFlags {
+ JSON_PARSE_SENSITIVE = 1 << 0, /* mark variant as "sensitive", i.e. something containing secret key material or such */
+} JsonParseFlags;
+
+int json_parse(const char *string, JsonParseFlags flags, JsonVariant **ret, unsigned *ret_line, unsigned *ret_column);
+int json_parse_continue(const char **p, JsonParseFlags flags, JsonVariant **ret, unsigned *ret_line, unsigned *ret_column);
+int json_parse_file_at(FILE *f, int dir_fd, const char *path, JsonParseFlags flags, JsonVariant **ret, unsigned *ret_line, unsigned *ret_column);
+
+static inline int json_parse_file(FILE *f, const char *path, JsonParseFlags flags, JsonVariant **ret, unsigned *ret_line, unsigned *ret_column) {
+ return json_parse_file_at(f, AT_FDCWD, path, flags, ret, ret_line, ret_column);
+}
enum {
_JSON_BUILD_STRING,
_JSON_BUILD_PAIR_CONDITION,
_JSON_BUILD_NULL,
_JSON_BUILD_VARIANT,
+ _JSON_BUILD_VARIANT_ARRAY,
_JSON_BUILD_LITERAL,
_JSON_BUILD_STRV,
+ _JSON_BUILD_BASE64,
+ _JSON_BUILD_ID128,
_JSON_BUILD_MAX,
};
#define JSON_BUILD_REAL(d) _JSON_BUILD_REAL, ({ long double _x = d; _x; })
#define JSON_BUILD_BOOLEAN(b) _JSON_BUILD_BOOLEAN, ({ bool _x = b; _x; })
#define JSON_BUILD_ARRAY(...) _JSON_BUILD_ARRAY_BEGIN, __VA_ARGS__, _JSON_BUILD_ARRAY_END
+#define JSON_BUILD_EMPTY_ARRAY _JSON_BUILD_ARRAY_BEGIN, _JSON_BUILD_ARRAY_END
#define JSON_BUILD_OBJECT(...) _JSON_BUILD_OBJECT_BEGIN, __VA_ARGS__, _JSON_BUILD_OBJECT_END
+#define JSON_BUILD_EMPTY_OBJECT _JSON_BUILD_OBJECT_BEGIN, _JSON_BUILD_OBJECT_END
#define JSON_BUILD_PAIR(n, ...) _JSON_BUILD_PAIR, ({ const char *_x = n; _x; }), __VA_ARGS__
#define JSON_BUILD_PAIR_CONDITION(c, n, ...) _JSON_BUILD_PAIR_CONDITION, ({ bool _x = c; _x; }), ({ const char *_x = n; _x; }), __VA_ARGS__
#define JSON_BUILD_NULL _JSON_BUILD_NULL
#define JSON_BUILD_VARIANT(v) _JSON_BUILD_VARIANT, ({ JsonVariant *_x = v; _x; })
+#define JSON_BUILD_VARIANT_ARRAY(v, n) _JSON_BUILD_VARIANT_ARRAY, ({ JsonVariant **_x = v; _x; }), ({ size_t _y = n; _y; })
#define JSON_BUILD_LITERAL(l) _JSON_BUILD_LITERAL, ({ const char *_x = l; _x; })
#define JSON_BUILD_STRV(l) _JSON_BUILD_STRV, ({ char **_x = l; _x; })
+#define JSON_BUILD_BASE64(p, n) _JSON_BUILD_BASE64, ({ const void *_x = p; _x; }), ({ size_t _y = n; _y; })
+#define JSON_BUILD_ID128(id) _JSON_BUILD_ID128, ({ sd_id128_t _x = id; _x; })
int json_build(JsonVariant **ret, ...);
int json_buildv(JsonVariant **ret, va_list ap);
JSON_PERMISSIVE = 1 << 0, /* Shall parsing errors be considered fatal for this property? */
JSON_MANDATORY = 1 << 1, /* Should existence of this property be mandatory? */
JSON_LOG = 1 << 2, /* Should the parser log about errors? */
+ JSON_SAFE = 1 << 3, /* Don't accept "unsafe" strings in json_dispatch_string() + json_dispatch_string() */
+ JSON_RELAX = 1 << 4, /* Use relaxed user name checking in json_dispatch_user_group_name */
/* The following two may be passed into log_json() in addition to the three above */
- JSON_DEBUG = 1 << 3, /* Indicates that this log message is a debug message */
- JSON_WARNING = 1 << 4, /* Indicates that this log message is a warning message */
+ JSON_DEBUG = 1 << 4, /* Indicates that this log message is a debug message */
+ JSON_WARNING = 1 << 5, /* Indicates that this log message is a warning message */
} JsonDispatchFlags;
typedef int (*JsonDispatchCallback)(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata);
int json_dispatch(JsonVariant *v, const JsonDispatch table[], JsonDispatchCallback bad, JsonDispatchFlags flags, void *userdata);
int json_dispatch_string(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata);
+int json_dispatch_const_string(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata);
int json_dispatch_strv(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata);
int json_dispatch_boolean(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata);
int json_dispatch_tristate(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata);
int json_dispatch_unsigned(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata);
int json_dispatch_uint32(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata);
int json_dispatch_int32(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata);
+int json_dispatch_uid_gid(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata);
+int json_dispatch_user_group_name(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata);
+int json_dispatch_id128(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata);
+int json_dispatch_unsupported(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata);
assert_cc(sizeof(uintmax_t) == sizeof(uint64_t));
#define json_dispatch_uint64 json_dispatch_unsigned
: -ERRNO_VALUE(_e); \
})
+#define json_log_oom(variant, flags) \
+ json_log(variant, flags, SYNTHETIC_ERRNO(ENOMEM), "Out of memory.")
+
#define JSON_VARIANT_STRING_CONST(x) _JSON_VARIANT_STRING_CONST(UNIQ, (x))
#define _JSON_VARIANT_STRING_CONST(xq, x) \
(JsonVariant*) ((uintptr_t) UNIQ_T(json_string_const, xq) + 1); \
})
+int json_variant_unbase64(JsonVariant *v, void **ret, size_t *ret_size);
+
const char *json_variant_type_to_string(JsonVariantType t);
JsonVariantType json_variant_type_from_string(const char *s);
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