sandbox os.remove
This commit is contained in:
parent
1d3101507e
commit
56f1b97b9c
23
src/loslib.c
23
src/loslib.c
|
@ -36,13 +36,26 @@ static int os_pushresult (lua_State *L, int i, const char *filename) {
|
|||
}
|
||||
|
||||
|
||||
static char oslib_errbuf[1024] = {0};
|
||||
static int os_remove (lua_State *L) {
|
||||
const char *filename = luaL_checkstring(L, 1);
|
||||
if (starts_with(filename, "teliva_tmp_")) {
|
||||
/* continue */
|
||||
}
|
||||
else if (starts_with(filename, "teliva_")) {
|
||||
snprintf(oslib_errbuf, 1024, "app tried to remove file '%s'; that's never allowed for filenames starting with 'teliva_'", filename);
|
||||
Previous_message = oslib_errbuf;
|
||||
return os_pushresult(L, 0, filename);
|
||||
}
|
||||
else if (!file_operation_permitted(filename, "w")) {
|
||||
snprintf(oslib_errbuf, 1024, "app tried to remove file '%s'; give it write permissions (ctrl-p) if that is expected", filename);
|
||||
Previous_message = oslib_errbuf;
|
||||
return os_pushresult(L, 0, filename);
|
||||
}
|
||||
return os_pushresult(L, remove(filename) == 0, filename);
|
||||
}
|
||||
|
||||
|
||||
static char oslib_errbuf[1024] = {0};
|
||||
static int os_rename (lua_State *L) {
|
||||
const char *fromname = luaL_checkstring(L, 1);
|
||||
const char *toname = luaL_checkstring(L, 2);
|
||||
|
@ -52,12 +65,12 @@ static int os_rename (lua_State *L) {
|
|||
/* continue */
|
||||
}
|
||||
else if (starts_with(fromname, "teliva_")) {
|
||||
snprintf(oslib_errbuf, 1024, "app tried to open file '%s'; that's never allowed for filenames starting with 'teliva_'", fromname);
|
||||
snprintf(oslib_errbuf, 1024, "app tried to rename file '%s'; that's never allowed for filenames starting with 'teliva_'", fromname);
|
||||
Previous_message = oslib_errbuf;
|
||||
return os_pushresult(L, 0, fromname);
|
||||
}
|
||||
else if (!file_operation_permitted(fromname, "r")) {
|
||||
snprintf(oslib_errbuf, 1024, "app tried to open file '%s' for reading; adjust its permissions (ctrl-p) if that is expected", fromname);
|
||||
snprintf(oslib_errbuf, 1024, "app tried to rename file '%s'; give it read permissions (ctrl-p) if that is expected", fromname);
|
||||
Previous_message = oslib_errbuf;
|
||||
return os_pushresult(L, 0, fromname);
|
||||
}
|
||||
|
@ -65,12 +78,12 @@ static int os_rename (lua_State *L) {
|
|||
/* continue */
|
||||
}
|
||||
else if (starts_with(toname, "teliva_")) {
|
||||
snprintf(oslib_errbuf, 1024, "app tried to open file '%s'; that's never allowed for filenames starting with 'teliva_'", toname);
|
||||
snprintf(oslib_errbuf, 1024, "app tried to rename to file '%s'; that's never allowed for filenames starting with 'teliva_'", toname);
|
||||
Previous_message = oslib_errbuf;
|
||||
return os_pushresult(L, 0, toname);
|
||||
}
|
||||
else if (!file_operation_permitted(toname, "w")) {
|
||||
snprintf(oslib_errbuf, 1024, "app tried to open file '%s' for writing; adjust its permissions (ctrl-p) if that is expected", toname);
|
||||
snprintf(oslib_errbuf, 1024, "app tried to rename to file '%s'; give it write permissions (ctrl-p) if that is expected", toname);
|
||||
Previous_message = oslib_errbuf;
|
||||
return os_pushresult(L, 0, toname);
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue