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fix(api): nvim_eval_statusline should validate input #18347

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Fix #18112

Make an exception for strings starting with "%!".
This commit is contained in:
deforde 2022-05-15 22:06:23 +02:00 committed by GitHub
parent 19da1071dc
commit 0a3d615b1c
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2 changed files with 12 additions and 0 deletions
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8
src/nvim/api/vim.c
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@ -2276,6 +2276,14 @@ Dictionary nvim_eval_statusline(String str, Dict(eval_statusline) *opts, Error *
bool use_tabline = false;
bool highlights = false;
if (str.size < 2 || memcmp(str.data, "%!", 2)) {
const char *const errmsg = check_stl_option((char_u *)str.data);
if (errmsg) {
api_set_error(err, kErrorTypeValidation, "%s", errmsg);
return result;
}
}
if (HAS_KEY(opts->winid)) {
if (opts->winid.type != kObjectTypeInteger) {
api_set_error(err, kErrorTypeValidation, "winid must be an integer");

4
test/functional/api/vim_spec.lua
View File

@ -3044,6 +3044,10 @@ describe('API', function()
eq('fillchar must be a single character',
pcall_err(meths.eval_statusline, '', { fillchar = 1 }))
end)
it('rejects invalid string', function()
eq('E539: Illegal character <}>',
pcall_err(meths.eval_statusline, '%{%}', {}))
end)
describe('highlight parsing', function()
it('works', function()
eq({