/
keyword.go
57 lines (50 loc) · 987 Bytes
/
keyword.go
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package contract
/*
#include <stdlib.h>
#include "sqlcheck.h"
*/
import "C"
import (
"unsafe"
"github.com/derekparker/trie"
)
var keywords *trie.Trie
func init() {
keywords = trie.New()
keywords.Add("ALTER", nil)
keywords.Add("CREATE", nil)
keywords.Add("DELETE", nil)
keywords.Add("DROP", nil)
keywords.Add("INSERT", nil)
keywords.Add("REINDEX", nil)
keywords.Add("REPLACE", nil)
keywords.Add("SELECT", nil)
keywords.Add("UPDATE", nil)
}
//export PermittedCmd
func PermittedCmd(cmd *C.char) C.int {
if _, ok := keywords.Find(C.GoString(cmd)); ok {
return C.int(1)
}
return C.int(0)
}
func cPermittedSql(sql string) bool {
cstr := C.CString(sql)
r := C.sqlcheck_is_permitted_sql(cstr)
var b bool
if r == C.int(1) {
b = true
}
C.free(unsafe.Pointer(cstr))
return b
}
func cReadOnlySql(sql string) bool {
cstr := C.CString(sql)
r := C.sqlcheck_is_readonly_sql(cstr)
var b bool
if r == C.int(1) {
b = true
}
C.free(unsafe.Pointer(cstr))
return b
}