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Merge pull request #18846 from bfredl/unpackfix

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fix(api): some robustness issues in api_parse_enter
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bfredl 2022-06-03 15:02:10 +02:00 committed by GitHub
commit dd0e9910da
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1 changed files with 12 additions and 3 deletions
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15
src/nvim/msgpack_rpc/unpacker.c
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@ -50,15 +50,23 @@ static void api_parse_enter(mpack_parser_t *parser, mpack_node_t *node)
Object *obj = parent->data[0].p;
KeyValuePair *kv = &kv_A(obj->data.dictionary, parent->pos);
if (!parent->key_visited) {
// TODO(bfredl): when implementing interrupt parse on error,
// stop parsing here when node is not a STR/BIN
kv->key = (String)STRING_INIT;
key_location = &kv->key;
} else {
result = &kv->value;
}
result = &kv->value;
break;
}
default:
case MPACK_TOKEN_STR:
case MPACK_TOKEN_BIN:
case MPACK_TOKEN_EXT:
assert(node->tok.type == MPACK_TOKEN_CHUNK);
break;
default:
abort();
}
} else {
result = &unpacker->result;
@ -99,6 +107,7 @@ static void api_parse_enter(mpack_parser_t *parser, mpack_node_t *node)
break;
case MPACK_TOKEN_CHUNK:
assert(parent);
if (parent->tok.type == MPACK_TOKEN_STR || parent->tok.type == MPACK_TOKEN_BIN) {
char *data = parent->data[0].p;
memcpy(data + parent->pos,