125 lines
2.6 KiB
Go
125 lines
2.6 KiB
Go
package libspf2
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/*
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#cgo LDFLAGS: -L/usr/local/lib -L/usr/lib -lspf2
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#cgo CFLAGS: -g -O2 -Wno-error -I/usr/include -I/usr/local/include
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#include <stdio.h>
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#include <netdb.h>
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#include <spf2/spf.h>
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*/
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import "C"
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const (
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SPFResultINVALID = Result(C.SPF_RESULT_INVALID) // (invalid)
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SPFResultPASS = Result(C.SPF_RESULT_PASS) // pass
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SPFResultFAIL = Result(C.SPF_RESULT_FAIL) // fail
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SPFResultSOFTFAIL = Result(C.SPF_RESULT_SOFTFAIL) // softfail
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SPFResultNEUTRAL = Result(C.SPF_RESULT_NEUTRAL) // neutral
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SPFResultPERMERROR = Result(C.SPF_RESULT_PERMERROR) // permerror
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SPFResultTEMPERROR = Result(C.SPF_RESULT_TEMPERROR) // temperror
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SPFResultNONE = Result(C.SPF_RESULT_NONE) // none
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)
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type Server struct {
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s *C.SPF_server_t
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}
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// NewServer creates a new server
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func NewServer() *Server {
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srv := new(Server)
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srv.s = C.SPF_server_new(C.SPF_DNS_CACHE, 0)
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return srv
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}
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// Free frees the server handle
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func (s *Server) Free() {
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if s.s != nil {
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C.SPF_server_free(s.s)
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s.s = nil
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}
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}
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type Request struct {
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s *Server
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r *C.SPF_request_t
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}
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// NewRequest creates a new SPF request
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func NewRequest(s *Server) *Request {
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r := new(Request)
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r.s = s
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r.r = C.SPF_request_new(s.s)
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return r
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}
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// SetIPv4Addr sets the sender IPv4
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func (r *Request) SetIPv4Addr(addr string) error {
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var stat C.SPF_errcode_t
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stat = C.SPF_request_set_ipv4_str(r.r, C.CString(addr))
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if stat != C.SPF_E_SUCCESS {
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return &spfError{stat}
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}
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return nil
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}
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// SetEnvFrom sets the sender host
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func (r *Request) SetEnvFrom(fromHost string) error {
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var stat C.int
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stat = C.SPF_request_set_env_from(r.r, C.CString(fromHost))
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if stat != C.int(C.SPF_E_SUCCESS) {
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return &spfError{C.SPF_errcode_t(stat)}
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}
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return nil
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}
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// Query starts the SPF query
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func (r *Request) Query() (*Response, error) {
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var stat C.SPF_errcode_t
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var resp *C.SPF_response_t
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stat = C.SPF_request_query_mailfrom(r.r, &resp)
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if stat != C.SPF_E_SUCCESS {
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return nil, &spfError{stat}
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}
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return &Response{resp}, nil
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}
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// Free the request handle
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func (r *Request) Free() {
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if r.r != nil {
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C.SPF_request_free(r.r)
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r.r = nil
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}
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}
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type Response struct {
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r *C.SPF_response_t
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}
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// Result returns the SPF validation result
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func (r *Response) Result() Result {
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return Result(C.SPF_response_result(r.r))
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}
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// Free frees the response handle
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func (r *Response) Free() {
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if r.r != nil {
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C.SPF_response_free(r.r)
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r.r = nil
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}
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}
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type Result int
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func (r Result) String() string {
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return C.GoString(C.SPF_strresult(C.SPF_result_t(r)))
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}
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type spfError struct {
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code C.SPF_errcode_t
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}
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func (e *spfError) Error() string {
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return C.GoString(C.SPF_strerror(e.code))
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}
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