diff options
Diffstat (limited to 'src/shared/json.h')
| -rw-r--r-- | src/shared/json.h | 77 |
1 files changed, 59 insertions, 18 deletions
diff --git a/src/shared/json.h b/src/shared/json.h index c40c234..6a93530 100644 --- a/src/shared/json.h +++ b/src/shared/json.h @@ -155,6 +155,7 @@ bool json_variant_equal(JsonVariant *a, JsonVariant *b); void json_variant_sensitive(JsonVariant *v); bool json_variant_is_sensitive(JsonVariant *v); +bool json_variant_is_sensitive_recursive(JsonVariant *v); struct json_variant_foreach_state { JsonVariant *variant; @@ -185,17 +186,18 @@ struct json_variant_foreach_state { 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_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 */ - JSON_FORMAT_EMPTY_ARRAY = 1 << 9, /* output "[]" for empty input */ - JSON_FORMAT_OFF = 1 << 10, /* make json_variant_format() fail with -ENOEXEC */ + 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 */ + JSON_FORMAT_EMPTY_ARRAY = 1 << 9, /* output "[]" for empty input */ + JSON_FORMAT_OFF = 1 << 10, /* make json_variant_format() fail with -ENOEXEC */ + JSON_FORMAT_CENSOR_SENSITIVE = 1 << 11, /* Replace all sensitive elements with the string "<sensitive data>" */ } JsonFormatFlags; int json_variant_format(JsonVariant *v, JsonFormatFlags flags, char **ret); @@ -271,6 +273,7 @@ enum { _JSON_BUILD_IOVEC_BASE64, _JSON_BUILD_BASE32HEX, _JSON_BUILD_HEX, + _JSON_BUILD_IOVEC_HEX, _JSON_BUILD_OCTESCAPE, _JSON_BUILD_ID128, _JSON_BUILD_UUID, @@ -315,6 +318,7 @@ typedef int (*JsonBuildCallback)(JsonVariant **ret, const char *name, void *user #define JSON_BUILD_IOVEC_BASE64(iov) _JSON_BUILD_IOVEC_BASE64, (const struct iovec*) { iov } #define JSON_BUILD_BASE32HEX(p, n) _JSON_BUILD_BASE32HEX, (const void*) { p }, (size_t) { n } #define JSON_BUILD_HEX(p, n) _JSON_BUILD_HEX, (const void*) { p }, (size_t) { n } +#define JSON_BUILD_IOVEC_HEX(iov) _JSON_BUILD_IOVEC_HEX, (const struct iovec*) { iov } #define JSON_BUILD_OCTESCAPE(p, n) _JSON_BUILD_OCTESCAPE, (const void*) { p }, (size_t) { n } #define JSON_BUILD_ID128(id) _JSON_BUILD_ID128, (const sd_id128_t*) { &(id) } #define JSON_BUILD_UUID(id) _JSON_BUILD_UUID, (const sd_id128_t*) { &(id) } @@ -345,6 +349,7 @@ typedef int (*JsonBuildCallback)(JsonVariant **ret, const char *name, void *user #define JSON_BUILD_PAIR_BASE64(name, p, n) JSON_BUILD_PAIR(name, JSON_BUILD_BASE64(p, n)) #define JSON_BUILD_PAIR_IOVEC_BASE64(name, iov) JSON_BUILD_PAIR(name, JSON_BUILD_IOVEC_BASE64(iov)) #define JSON_BUILD_PAIR_HEX(name, p, n) JSON_BUILD_PAIR(name, JSON_BUILD_HEX(p, n)) +#define JSON_BUILD_PAIR_IOVEC_HEX(name, iov) JSON_BUILD_PAIR(name, JSON_BUILD_IOVEC_HEX(iov)) #define JSON_BUILD_PAIR_ID128(name, id) JSON_BUILD_PAIR(name, JSON_BUILD_ID128(id)) #define JSON_BUILD_PAIR_UUID(name, id) JSON_BUILD_PAIR(name, JSON_BUILD_UUID(id)) #define JSON_BUILD_PAIR_BYTE_ARRAY(name, v, n) JSON_BUILD_PAIR(name, JSON_BUILD_BYTE_ARRAY(v, n)) @@ -375,15 +380,16 @@ int json_buildv(JsonVariant **ret, va_list ap); * entry, as well the bitmask specified for json_log() calls */ typedef enum JsonDispatchFlags { /* The following three may be set in JsonDispatch's .flags field or the json_dispatch() flags parameter */ - 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 */ + JSON_PERMISSIVE = 1 << 0, /* Shall parsing errors be considered fatal for this field or object? */ + 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 */ + JSON_ALLOW_EXTENSIONS = 1 << 5, /* Subset of JSON_PERMISSIVE: allow additional fields, but no other permissive handling */ /* The following two may be passed into log_json() in addition to those above */ - JSON_DEBUG = 1 << 5, /* Indicates that this log message is a debug message */ - JSON_WARNING = 1 << 6, /* Indicates that this log message is a warning message */ + JSON_DEBUG = 1 << 6, /* Indicates that this log message is a debug message */ + JSON_WARNING = 1 << 7, /* Indicates that this log message is a warning message */ } JsonDispatchFlags; typedef int (*JsonDispatchCallback)(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata); @@ -415,11 +421,16 @@ int json_dispatch_uint32(const char *name, JsonVariant *variant, JsonDispatchFla int json_dispatch_int32(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata); int json_dispatch_uint16(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata); int json_dispatch_int16(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata); +int json_dispatch_int8(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata); +int json_dispatch_uint8(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_absolute_path(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); int json_dispatch_unbase64_iovec(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata); +int json_dispatch_byte_array_iovec(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata); +int json_dispatch_in_addr(const char *name, JsonVariant *variant, JsonDispatchFlags flags, void *userdata); assert_cc(sizeof(uint32_t) == sizeof(unsigned)); #define json_dispatch_uint json_dispatch_uint32 @@ -427,6 +438,28 @@ assert_cc(sizeof(uint32_t) == sizeof(unsigned)); assert_cc(sizeof(int32_t) == sizeof(int)); #define json_dispatch_int json_dispatch_int32 +#define JSON_DISPATCH_ENUM_DEFINE(name, type, func) \ + int name(const char *n, JsonVariant *variant, JsonDispatchFlags flags, void *userdata) { \ + type *c = ASSERT_PTR(userdata); \ + \ + assert(variant); \ + \ + if (json_variant_is_null(variant)) { \ + *c = (type) -EINVAL; \ + return 0; \ + } \ + \ + if (!json_variant_is_string(variant)) \ + return json_log(variant, flags, SYNTHETIC_ERRNO(EINVAL), "JSON field '%s' is not a string.", strna(n)); \ + \ + type cc = func(json_variant_string(variant)); \ + if (cc < 0) \ + return json_log(variant, flags, SYNTHETIC_ERRNO(EINVAL), "Value of JSON field '%s' not recognized.", strna(n)); \ + \ + *c = cc; \ + return 0; \ + } + static inline int json_dispatch_level(JsonDispatchFlags flags) { /* Did the user request no logging? If so, then never log higher than LOG_DEBUG. Also, if this is marked as @@ -470,5 +503,13 @@ int json_log_internal(JsonVariant *variant, int level, int error, const char *fi int json_variant_unbase64(JsonVariant *v, void **ret, size_t *ret_size); int json_variant_unhex(JsonVariant *v, void **ret, size_t *ret_size); +static inline int json_variant_unbase64_iovec(JsonVariant *v, struct iovec *ret) { + return json_variant_unbase64(v, ret ? &ret->iov_base : NULL, ret ? &ret->iov_len : NULL); +} + +static inline int json_variant_unhex_iovec(JsonVariant *v, struct iovec *ret) { + return json_variant_unhex(v, ret ? &ret->iov_base : NULL, ret ? &ret->iov_len : NULL); +} + const char *json_variant_type_to_string(JsonVariantType t); JsonVariantType json_variant_type_from_string(const char *s); |