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patch 9.1.1774: cannot calculate sha256 of a Blob

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Problem:  cannot calculate sha256() of a Blob
Solution: Change sha256() to accept a Blob or String argument
          (thinca).

closes: #18336

Signed-off-by: thinca <thinca@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
thinca
2025-09-18 20:22:23 +00:00
committed by Christian Brabandt
parent e8b0e926d0
commit 4150283b83
6 changed files with 49 additions and 13 deletions
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29
src/evalfunc.c
View File

@@ -1257,6 +1257,7 @@ static argcheck_T arg1_string[] = {arg_string};
static argcheck_T arg1_string_or_list_any[] = {arg_string_or_list_any};
static argcheck_T arg1_string_or_list_string[] = {arg_string_or_list_string};
static argcheck_T arg1_string_or_nr[] = {arg_string_or_nr};
static argcheck_T arg1_string_or_blob[] = {arg_string_or_blob};
static argcheck_T arg2_any_buffer[] = {arg_any, arg_buffer};
static argcheck_T arg2_buffer_any[] = {arg_buffer, arg_any};
static argcheck_T arg2_buffer_bool[] = {arg_buffer, arg_bool};
@@ -2842,7 +2843,7 @@ static const funcentry_T global_functions[] =
ret_number_bool, f_settagstack},
{"setwinvar", 3, 3, FEARG_3, arg3_number_string_any,
ret_void, f_setwinvar},
{"sha256", 1, 1, FEARG_1, arg1_string,
{"sha256", 1, 1, FEARG_1, arg1_string_or_blob,
ret_string,
#ifdef FEAT_CRYPT
f_sha256
@@ -11742,20 +11743,36 @@ f_settagstack(typval_T *argvars, typval_T *rettv)
#ifdef FEAT_CRYPT
/*
* "sha256({string})" function
* "sha256({expr})" function
*/
static void
f_sha256(typval_T *argvars, typval_T *rettv)
{
char_u *p;
int len;
if (in_vim9script() && check_for_string_arg(argvars, 0) == FAIL)
if (in_vim9script() && check_for_string_or_blob_arg(argvars, 0) == FAIL)
return;
p = tv_get_string(&argvars[0]);
rettv->vval.v_string = vim_strsave(
sha256_bytes(p, (int)STRLEN(p), NULL, 0));
rettv->v_type = VAR_STRING;
rettv->vval.v_string = NULL;
if (argvars[0].v_type == VAR_BLOB)
{
blob_T *blob = argvars[0].vval.v_blob;
if (blob != NULL)
{
p = (char_u *)blob->bv_ga.ga_data;
len = blob->bv_ga.ga_len;
rettv->vval.v_string = vim_strsave(sha256_bytes(p, len, NULL, 0));
}
}
else
{
p = tv_get_string(&argvars[0]);
rettv->vval.v_string = vim_strsave(
sha256_bytes(p, (int)STRLEN(p), NULL, 0));
}
}
#endif // FEAT_CRYPT

10
src/testdir/test_sha256.vim
View File

@@ -18,6 +18,16 @@ function Test_sha256()
" test for contains non-ascii char:
call assert_equal('5f78c33274e43fa9de5659265c1d917e25c03722dcb0b8d27db8d5feaa813953', sha256("\xde\xad\xbe\xef"))
" test for blob:
" empty blob
call assert_equal('e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855', sha256(0z))
" blob with single byte
call assert_equal('ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb', sha256(0z61))
" blob with "abc"
call assert_equal('ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad', sha256(0z616263))
" blob with non-ascii bytes
call assert_equal('5f78c33274e43fa9de5659265c1d917e25c03722dcb0b8d27db8d5feaa813953', sha256(0zdeadbeef))
endfunction
" vim: shiftwidth=2 sts=2 expandtab

8
src/testdir/test_vim9_builtin.vim
View File

@@ -4162,10 +4162,14 @@ def Test_setwinvar()
enddef
def Test_sha256()
v9.CheckSourceDefAndScriptFailure(['sha256(100)'], ['E1013: Argument 1: type mismatch, expected string but got number', 'E1174: String required for argument 1'])
v9.CheckSourceDefAndScriptFailure(['sha256(0zABCD)'], ['E1013: Argument 1: type mismatch, expected string but got blob', 'E1174: String required for argument 1'])
v9.CheckSourceDefAndScriptFailure(['sha256(100)'], ['E1013: Argument 1: type mismatch, expected string but got number', 'E1221: String or Blob required for argument 1'])
assert_equal('ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad', sha256('abc'))
assert_equal('e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855', sha256(''))
assert_equal('ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad', sha256(0z616263))
assert_equal('e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855', sha256(0z))
assert_equal('ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb', sha256(0z61))
assert_equal('5f78c33274e43fa9de5659265c1d917e25c03722dcb0b8d27db8d5feaa813953', sha256(0zdeadbeef))
enddef
def Test_shiftwidth()

2
src/version.c
View File

@@ -724,6 +724,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
1774,
/**/
1773,
/**/