func readHashes(db *openpgp.DB, hashes chan *symflux.Zp) {
rows, err := db.DB.Query("SELECT md5 FROM openpgp_pubkey")
if err != nil {
die(err)
}
for rows.Next() {
var md5str string
if err = rows.Scan(&md5str); err != nil {
die(err)
}
digest, err := hex.DecodeString(md5str)
if err != nil {
log.Println("Bad md5:", md5str)
continue
}
digest = recon.PadSksElement(digest)
digestZp := symflux.Zb(symflux.P_SKS, digest)
hashes <- digestZp
}
if err = rows.Err(); err != nil {
log.Println("Error during hash query:", err)
}
}
func (r *SksPeer) deleteLocalChunk(rcvr *recon.Recover, chunk []*Zp) (err error) {
//Get MappedDomains for authenticatioon of add
verifiedDomains, errM := RecoveryAuthentication(rcvr.RemoteAllStatesJSON)
if errM != nil {
err = errM
return
}
fmt.Println("deleteLocal", verifiedDomains)
// Search keys from Local DB
hqBuf := bytes.NewBuffer(nil)
err = recon.WriteInt(hqBuf, len(chunk))
if err != nil {
return err
}
for _, z := range chunk {
zb := z.Bytes()
zb = recon.PadSksElement(zb)
// Hashquery elements are 16 bytes (length_of(P_SKS)-1)
zb = zb[:len(zb)-1]
err = recon.WriteInt(hqBuf, len(zb))
if err != nil {
return err
}
_, err = hqBuf.Write(zb)
if err != nil {
return err
}
}
ownAuth, err1 := GetOwnAuthority()
if err1 != nil {
err = err1
return
}
//fmt.Println("Making HashQuerry to self for = ", string(hqBuf.Bytes()))
resp, err := http.Post(fmt.Sprintf("http://%s/pks/hashquery", ownAuth.HkpAddr),
"sks/hashquery", bytes.NewReader(hqBuf.Bytes()))
if err != nil {
return err
}
// Store response in memory. Connection may timeout if we
// read directly from it while loading.
var body *bytes.Buffer
{
defer resp.Body.Close()
bodyBuf, err := ioutil.ReadAll(resp.Body)
if err != nil {
return err
}
body = bytes.NewBuffer(bodyBuf)
}
var nkeys, keyLen int
nkeys, err = recon.ReadInt(body)
if err != nil {
return err
}
log.Println("Response from Self:", nkeys, " keys found")
fmt.Println("Response from Self:", nkeys, " keys found")
for i := 0; i < nkeys; i++ {
keyLen, err = recon.ReadInt(body)
if err != nil {
return err
}
keyBuf := bytes.NewBuffer(nil)
_, err = io.CopyN(keyBuf, body, int64(keyLen))
if err != nil {
return err
}
log.Println("Key#", i+1, ":", keyLen, "bytes")
// Merge locally
localDeleteKey := &LocalDeleteKey{
Keytext: keyBuf.Bytes(),
response: make(chan hkp.Response),
verifiedDomains: verifiedDomains}
//PRC End
go func() {
r.LocalDeleteKey <- localDeleteKey
}()
resp := <-localDeleteKey.response
if resp != nil && resp.Error() != nil {
log.Println("Error Deleting key:", resp.Error())
}
}
// Read last two bytes (CRLF, why?), or SKS will complain.
body.Read(make([]byte, 2))
return
}
func (r *SksPeer) requestChunk(rcvr *recon.Recover, chunk []*Zp) (err error) {
//Get MappedDomains for authenticatioon of add
//defer fmt.Println("Error While Returning from requestRecoverd", err)
verifiedDomains, errM := RecoveryAuthentication(rcvr.RemoteAllStatesJSON)
if errM != nil {
err = errM
return
}
fmt.Println("requestRecovered", verifiedDomains)
var remoteAddr string
remoteAddr, err = rcvr.HkpAddr()
if err != nil {
return err
}
// Make an sks hashquery request
hqBuf := bytes.NewBuffer(nil)
err = recon.WriteInt(hqBuf, len(chunk))
if err != nil {
return err
}
for _, z := range chunk {
zb := z.Bytes()
zb = recon.PadSksElement(zb)
// Hashquery elements are 16 bytes (length_of(P_SKS)-1)
zb = zb[:len(zb)-1]
err = recon.WriteInt(hqBuf, len(zb))
if err != nil {
return err
}
_, err = hqBuf.Write(zb)
if err != nil {
return err
}
}
//if len(hqBuf.Bytes()) == 0 {
// return
//}
//fmt.Println("Sending Hashquerry to ", remoteAddr, " for md5uuid= ", string(hqBuf.Bytes()))
resp, err1 := http.Post(fmt.Sprintf("http://%s/pks/hashquery", remoteAddr),
"sks/hashquery", bytes.NewReader(hqBuf.Bytes()))
if err1 != nil {
err = err1
return
}
// Store response in memory. Connection may timeout if we
// read directly from it while loading.
var body *bytes.Buffer
{
defer resp.Body.Close()
bodyBuf, err := ioutil.ReadAll(resp.Body)
if err != nil {
return err
}
body = bytes.NewBuffer(bodyBuf)
}
var nkeys, keyLen int
nkeys, err = recon.ReadInt(body)
if err != nil {
return err
}
log.Println("Response from server:", nkeys, " keys found")
fmt.Println("Response from server:", nkeys, " keys found")
for i := 0; i < nkeys; i++ {
keyLen, err = recon.ReadInt(body)
if err != nil {
return err
}
keyBuf := bytes.NewBuffer(nil)
_, err = io.CopyN(keyBuf, body, int64(keyLen))
if err != nil {
return err
}
log.Println("Key#", i+1, ":", keyLen, "bytes")
// Merge locally
recoverKey := &RecoverKey{
Keytext: keyBuf.Bytes(),
//RecoverSet: elements,
Source: rcvr.RemoteAddr.String(),
response: make(chan hkp.Response),
verifiedDomains: verifiedDomains}
//PRC Start
go func() {
r.RecoverKey <- recoverKey
}()
resp := <-recoverKey.response
if resp != nil && resp.Error() != nil {
log.Println("Error Adding key :", resp.Error())
}
//PRC End
}
// Read last two bytes (CRLF, why?), or SKS will complain.
body.Read(make([]byte, 2))
return
}
func (r *SksPeer) HandleKeyUpdates() {
for {
select {
case keyChange, ok := <-r.KeyChanges:
if !ok {
return
}
digest, err := hex.DecodeString(keyChange.CurrentMd5)
if err != nil {
log.Println("bad digest:", keyChange.CurrentMd5)
continue
}
digest = recon.PadSksElement(digest)
digestZp := Zb(P_SKS, digest)
//PRC START
//Handle Key Delete
//remove node from ptree
if keyChange.Type == KeyDeleted {
log.Println("MD5:", keyChange.CurrentMd5)
log.Println("Prefix Tree: Remove:", digestZp)
err = r.Peer.Remove(digestZp)
if err != nil {
log.Println(err)
continue
}
fmt.Print("-")
//PRC END
} else {
//Before else if keyChange.PreviousMd5 != keyChange.CurrentMd5
//Changed according to latest hockeypuck,issue insert without checking for change,
//The ptree will itself not add duplicate elements.
log.Println("Prefix tree: Insert:", hex.EncodeToString(digestZp.Bytes()), keyChange, keyChange.CurrentMd5)
err := r.Peer.Insert(digestZp)
if err != nil {
log.Println(err)
continue
}
fmt.Print("+")
if keyChange.PreviousMd5 != "" && keyChange.PreviousMd5 != keyChange.CurrentMd5 {
prevDigest, err := hex.DecodeString(keyChange.PreviousMd5)
if err != nil {
log.Println("bad digest:", keyChange.PreviousMd5)
continue
}
prevDigest = recon.PadSksElement(prevDigest)
prevDigestZp := Zb(P_SKS, prevDigest)
log.Println("Prefix Tree: Remove:", prevDigestZp)
err = r.Peer.Remove(prevDigestZp)
if err != nil {
log.Println(err)
continue
}
fmt.Print("-")
}
}
//PRC Start
//errOwn := UpdateOwnLocalState()
//if errOwn != nil {
// fmt.Println("Error updating Own Local State")
// log.Println("Error updating Own Local State")
//}
//PRC End
}
}
}
func (ec *loadCmd) loadAllKeys(path string) {
keyfiles, err := filepath.Glob(path)
if err != nil {
die(err)
}
limit := ec.totalKeyLimit
for _, keyfile := range keyfiles {
var f *os.File
if f, err = os.Open(keyfile); err != nil {
log.Println("Failed to open", keyfile, ":", err)
continue
}
defer f.Close()
log.Println("Loading keys from", keyfile)
defer ec.flushDb()
for keyRead := range openpgp.ReadKeys(f) {
if keyRead.Error != nil {
log.Println("Error reading key:", keyRead.Error)
continue
}
//PRC Start
//Only load Keys which are in our own authority
if keyRead.Pubkey == nil {
fmt.Println("no Pub Key found")
continue
}
underAuth := openpgp.IsUnderAuth(*keyRead.Pubkey)
if underAuth != nil {
//fmt.Println("Load : " + underAuth.Error())
continue
}
//PRC End
digest, err := hex.DecodeString(keyRead.Pubkey.Md5)
if err != nil {
log.Println("bad digest:", keyRead.Pubkey.Md5)
continue
}
digest = recon.PadSksElement(digest)
digestZp := symflux.Zb(symflux.P_SKS, digest)
err = ec.ptree.Insert(digestZp)
if err != nil {
log.Println("Error inserting digest ", keyRead.Pubkey.Md5, ":", err)
continue
}
err = ec.insertKey(keyRead)
if err != nil {
log.Println("Error inserting key", keyRead.Pubkey.Md5, "into database:", err)
// Attempt to remove digest from ptree, since it was not successfully loaded
ec.ptree.Remove(digestZp)
continue
}
if ec.totalKeyLimit != 0 {
limit--
if limit == 0 {
fmt.Println("Loaded ", ec.totalKeyLimit, " keys")
return
}
}
}
}
}
