diff options
Diffstat (limited to 'src/core/ext/transport/chttp2/transport/frame_settings.c')
-rw-r--r-- | src/core/ext/transport/chttp2/transport/frame_settings.c | 56 |
1 files changed, 18 insertions, 38 deletions
diff --git a/src/core/ext/transport/chttp2/transport/frame_settings.c b/src/core/ext/transport/chttp2/transport/frame_settings.c index 82290e34cd..4f2b827832 100644 --- a/src/core/ext/transport/chttp2/transport/frame_settings.c +++ b/src/core/ext/transport/chttp2/transport/frame_settings.c @@ -46,29 +46,6 @@ #include "src/core/lib/debug/trace.h" #include "src/core/lib/transport/http2_errors.h" -#define MAX_MAX_HEADER_LIST_SIZE (1024 * 1024 * 1024) - -/* HTTP/2 mandated initial connection settings */ -const grpc_chttp2_setting_parameters - grpc_chttp2_settings_parameters[GRPC_CHTTP2_NUM_SETTINGS] = { - {NULL, 0, 0, 0, GRPC_CHTTP2_DISCONNECT_ON_INVALID_VALUE, - GRPC_HTTP2_PROTOCOL_ERROR}, - {"HEADER_TABLE_SIZE", 4096, 0, 0xffffffff, - GRPC_CHTTP2_CLAMP_INVALID_VALUE, GRPC_HTTP2_PROTOCOL_ERROR}, - {"ENABLE_PUSH", 1, 0, 1, GRPC_CHTTP2_DISCONNECT_ON_INVALID_VALUE, - GRPC_HTTP2_PROTOCOL_ERROR}, - {"MAX_CONCURRENT_STREAMS", 0xffffffffu, 0, 0xffffffffu, - GRPC_CHTTP2_DISCONNECT_ON_INVALID_VALUE, GRPC_HTTP2_PROTOCOL_ERROR}, - {"INITIAL_WINDOW_SIZE", 65535, 0, 0x7fffffffu, - GRPC_CHTTP2_DISCONNECT_ON_INVALID_VALUE, - GRPC_HTTP2_FLOW_CONTROL_ERROR}, - {"MAX_FRAME_SIZE", 16384, 16384, 16777215, - GRPC_CHTTP2_DISCONNECT_ON_INVALID_VALUE, GRPC_HTTP2_PROTOCOL_ERROR}, - {"MAX_HEADER_LIST_SIZE", MAX_MAX_HEADER_LIST_SIZE, 0, - MAX_MAX_HEADER_LIST_SIZE, GRPC_CHTTP2_CLAMP_INVALID_VALUE, - GRPC_HTTP2_PROTOCOL_ERROR}, -}; - static uint8_t *fill_header(uint8_t *out, uint32_t length, uint8_t flags) { *out++ = (uint8_t)(length >> 16); *out++ = (uint8_t)(length >> 8); @@ -98,9 +75,8 @@ grpc_slice grpc_chttp2_settings_create(uint32_t *old, const uint32_t *new, for (i = 0; i < count; i++) { if (new[i] != old[i] || (force_mask & (1u << i)) != 0) { - GPR_ASSERT(i); - *p++ = (uint8_t)(i >> 8); - *p++ = (uint8_t)(i); + *p++ = (uint8_t)(grpc_setting_id_to_wire_id[i] >> 8); + *p++ = (uint8_t)(grpc_setting_id_to_wire_id[i]); *p++ = (uint8_t)(new[i] >> 24); *p++ = (uint8_t)(new[i] >> 16); *p++ = (uint8_t)(new[i] >> 8); @@ -131,13 +107,16 @@ grpc_error *grpc_chttp2_settings_parser_begin_frame( if (flags == GRPC_CHTTP2_FLAG_ACK) { parser->is_ack = 1; if (length != 0) { - return GRPC_ERROR_CREATE("non-empty settings ack frame received"); + return GRPC_ERROR_CREATE_FROM_STATIC_STRING( + "non-empty settings ack frame received"); } return GRPC_ERROR_NONE; } else if (flags != 0) { - return GRPC_ERROR_CREATE("invalid flags on settings frame"); + return GRPC_ERROR_CREATE_FROM_STATIC_STRING( + "invalid flags on settings frame"); } else if (length % 6 != 0) { - return GRPC_ERROR_CREATE("settings frames must be a multiple of six bytes"); + return GRPC_ERROR_CREATE_FROM_STATIC_STRING( + "settings frames must be a multiple of six bytes"); } else { return GRPC_ERROR_NONE; } @@ -151,6 +130,7 @@ grpc_error *grpc_chttp2_settings_parser_parse(grpc_exec_ctx *exec_ctx, void *p, const uint8_t *cur = GRPC_SLICE_START_PTR(slice); const uint8_t *end = GRPC_SLICE_END_PTR(slice); char *msg; + grpc_chttp2_setting_id id; if (parser->is_ack) { return GRPC_ERROR_NONE; @@ -213,9 +193,9 @@ grpc_error *grpc_chttp2_settings_parser_parse(grpc_exec_ctx *exec_ctx, void *p, parser->value |= *cur; cur++; - if (parser->id > 0 && parser->id < GRPC_CHTTP2_NUM_SETTINGS) { + if (grpc_wire_id_to_setting_id(parser->id, &id)) { const grpc_chttp2_setting_parameters *sp = - &grpc_chttp2_settings_parameters[parser->id]; + &grpc_chttp2_settings_parameters[id]; if (parser->value < sp->min_value || parser->value > sp->max_value) { switch (sp->invalid_value_behavior) { case GRPC_CHTTP2_CLAMP_INVALID_VALUE: @@ -229,24 +209,24 @@ grpc_error *grpc_chttp2_settings_parser_parse(grpc_exec_ctx *exec_ctx, void *p, &t->qbuf); gpr_asprintf(&msg, "invalid value %u passed for %s", parser->value, sp->name); - grpc_error *err = GRPC_ERROR_CREATE(msg); + grpc_error *err = GRPC_ERROR_CREATE_FROM_COPIED_STRING(msg); gpr_free(msg); return err; } } - if (parser->id == GRPC_CHTTP2_SETTINGS_INITIAL_WINDOW_SIZE && - parser->incoming_settings[parser->id] != parser->value) { + if (id == GRPC_CHTTP2_SETTINGS_INITIAL_WINDOW_SIZE && + parser->incoming_settings[id] != parser->value) { t->initial_window_update += - (int64_t)parser->value - parser->incoming_settings[parser->id]; + (int64_t)parser->value - parser->incoming_settings[id]; if (grpc_http_trace) { gpr_log(GPR_DEBUG, "adding %d for initial_window change", (int)t->initial_window_update); } } - parser->incoming_settings[parser->id] = parser->value; + parser->incoming_settings[id] = parser->value; if (grpc_http_trace) { - gpr_log(GPR_DEBUG, "CHTTP2:%s:%s: got setting %d = %d", - t->is_client ? "CLI" : "SVR", t->peer_string, parser->id, + gpr_log(GPR_DEBUG, "CHTTP2:%s:%s: got setting %s = %d", + t->is_client ? "CLI" : "SVR", t->peer_string, sp->name, parser->value); } } else if (grpc_http_trace) { |