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RetroShare/libretroshare/src/pqi/authgpg.cc
joss17 5fd9dba515 fix null pointer to string in authgpg save certificate to string 
git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@2098 b45a01b8-16f6-495d-af2f-9b41ad6348cc
2010-01-20 21:15:14 +00:00

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/*
* libretroshare/src AuthGPG.cc
*
* GnuPG/GPGme interface for RetroShare.
*
* Copyright 2008-2009 by Robert Fernie, Retroshare Team.
*
* This library is free software; you can redistribute it and/or
* modify it under the termsf the GNU Library General Public
* License Version 2 as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA.
*
* Please report all bugs and problems to "retroshare@lunamutt.com".
*
*
*/
#include "authgpg.h"
#include <rsiface/rsiface.h>
#include <iostream>
#include <sstream>
#include <algorithm>
#include "serialiser/rsconfigitems.h"
#include "cleanupxpgp.h"
// initialisation du pointeur de singleton à zéro
AuthGPG *AuthGPG::instance_gpg = new AuthGPG();
/* Turn a set of parameters into a string */
static std::string setKeyPairParams(bool useRsa, unsigned int blen,
std::string name, std::string comment, std::string email);
static std::string setKeyPairParams(bool useRsa, unsigned int blen,
std::string name, std::string comment, std::string email,
std::string inPassphrase);
static gpgme_key_t getKey(gpgme_ctx_t, std::string, std::string, std::string);
static gpg_error_t keySignCallback(void *, gpgme_status_code_t, \
const char *, int);
static gpg_error_t trustCallback(void *, gpgme_status_code_t, \
const char *, int);
static void ProcessPGPmeError(gpgme_error_t ERR);
/* Function to sign X509_REQ via GPGme.
*/
gpgcert::gpgcert()
:key(NULL)
{
return;
}
gpgcert::~gpgcert()
{
if (key)
{
gpgme_key_unref(key);
}
}
gpg_error_t pgp_pwd_callback(void *hook, const char *uid_hint, const char *passphrase_info, int prev_was_bad, int fd)
{
static std::string sp = "" ;
std::string text ;
if(sp == "" || prev_was_bad)
{
if(prev_was_bad)
text = rsicontrol->getNotify().askForPassword("GPG key passphrase",std::string("Wrong password !\n\nPlease enter the password to unlock the following GPG key:\n\n ")+uid_hint+"\n") ;
else
text = rsicontrol->getNotify().askForPassword("GPG key passphrase",std::string("Please enter the password to unlock the following GPG key:\n\n")+uid_hint+"\n") ;
sp = text ;
}
else
text = sp ;
fprintf(stderr, "pgp_pwd_callback() Set Password\n");
#ifndef WINDOWS_SYS
write(fd, text.c_str(), text.size());
write(fd, "\n", 1); /* needs a new line? */
#else
DWORD written = 0;
HANDLE winFd = (HANDLE) fd;
WriteFile(winFd, text.c_str(), text.size(), &written, NULL);
WriteFile(winFd, "\n", 1, &written, NULL);
#endif
return 0;
}
static char *PgpPassword = NULL;
//bool AuthGPG::setPGPPassword_locked(std::string pwd)
//{
// /* reset it while we change it */
// gpgme_set_passphrase_cb(CTX, NULL, NULL);
//
// if (PgpPassword)
// free(PgpPassword);
// PgpPassword = (char *) malloc(pwd.length() + 1);
// memcpy(PgpPassword, pwd.c_str(), pwd.length());
// PgpPassword[pwd.length()] = '\0';
//
// fprintf(stderr, "AuthGPG::setPGPPassword_locked() called\n");
// gpgme_set_passphrase_cb(CTX, pgp_pwd_callback, (void *) PgpPassword);
//
// return true;
//}
AuthGPG::AuthGPG()
:gpgmeInit(false) , p3Config(CONFIG_TYPE_AUTHGPG)
{
RsStackMutex stack(pgpMtx); /******* LOCKED ******/
setlocale(LC_ALL, "");
gpgme_check_version(NULL);
gpgme_set_locale(NULL, LC_CTYPE, setlocale (LC_CTYPE, NULL));
#ifdef LC_MESSAGES
gpgme_set_locale(NULL, LC_MESSAGES, setlocale (LC_MESSAGES, NULL));
#endif
#ifndef WINDOWS_SYS
/* setup the engine (gpg2) */
// if (GPG_ERR_NO_ERROR != gpgme_set_engine_info(GPGME_PROTOCOL_OpenPGP, "/usr/bin/gpg2", NULL))
// {
// std::cerr << "Error creating Setting engine";
// std::cerr << std::endl;
// return;
// }
#endif
if (GPG_ERR_NO_ERROR != gpgme_engine_check_version(GPGME_PROTOCOL_OpenPGP))
{
std::cerr << "Error check engine version";
std::cerr << std::endl;
return;
}
if (GPG_ERR_NO_ERROR != gpgme_get_engine_info(&INFO))
{
std::cerr << "Error getting engine info";
std::cerr << std::endl;
while (INFO && INFO->protocol != GPGME_PROTOCOL_OpenPGP) {
INFO = INFO->next;
}
if (!INFO) {
fprintf (stderr, "GPGME compiled without support for protocol %s",
gpgme_get_protocol_name (INFO->protocol));
} else if (INFO->file_name && !INFO->version) {
fprintf (stderr, "Engine %s not installed properly",
INFO->file_name);
} else if (INFO->file_name && INFO->version && INFO->req_version) {
fprintf (stderr, "Engine %s version %s installed, "
"but at least version %s required", INFO->file_name,
INFO->version, INFO->req_version);
} else {
fprintf (stderr, "Unknown problem with engine for protocol %s",
gpgme_get_protocol_name (INFO->protocol));
}
return;
}
/* Create New Contexts */
if (GPG_ERR_NO_ERROR != gpgme_new(&CTX))
{
std::cerr << "Error creating GPGME Context";
std::cerr << std::endl;
return;
}
/* setup the protocol */
if (GPG_ERR_NO_ERROR != gpgme_set_protocol(CTX, GPGME_PROTOCOL_OpenPGP))
{
std::cerr << "Error creating Setting Protocol";
std::cerr << std::endl;
return;
}
/* if we get to here -> we have inited okay */
gpgmeInit = true;
storeAllKeys_locked();
printAllKeys_locked();
//updateTrustAllKeys_locked();
}
/* This function is called when retroshare is first started
* to get the list of available GPG certificates.
* This function should only return certs for which
* the private(secret) keys are available.
*
* returns false if GnuPG is not available.
*/
bool AuthGPG::availableGPGCertificatesWithPrivateKeys(std::list<std::string> &ids)
{
//RsStackMutex stack(pgpMtx); /******* LOCKED ******/
int i = 0;
gpgme_key_t KEY = NULL;
gpg_error_t ERR;
/* XXX should check that CTX is valid */
if (!gpgmeInit)
{
return false;
}
/* Initiates a key listing */
if (GPG_ERR_NO_ERROR != gpgme_op_keylist_start (CTX, "", 1))
{
std::cerr << "Error iterating through KeyList";
std::cerr << std::endl;
return false;
}
/* Loop until end of key */
for(i = 0;(GPG_ERR_NO_ERROR == (ERR = gpgme_op_keylist_next (CTX, &KEY))); i++)
{
if (KEY->subkeys)
{
ids.push_back(KEY->subkeys->keyid);
std::cerr << "AuthGPG::availablePGPCertificates() Added: "
<< KEY->subkeys->keyid << std::endl;
}
else
{
std::cerr << "AuthGPG::availablePGPCertificates() Missing subkey"
<< std::endl;
}
}
if (GPG_ERR_NO_ERROR != gpgme_op_keylist_end(CTX))
{
std::cerr << "Error ending KeyList";
std::cerr << std::endl;
return false;
}
std::cerr << "AuthGPG::availablePGPCertificates() Secret Key Count: " << i << std::endl;
/* return false if there are no private keys */
return (i > 0);
}
/* You can initialise Retroshare with
* (a) load existing certificate.
* (b) a new certificate.
*
* This function must be called successfully (return == 1)
* before anything else can be done. (except above fn).
*/
int AuthGPG::GPGInit(std::string ownId)
{
RsStackMutex stack(pgpMtx); /******* LOCKED ******/
std::cerr << "AuthGPG::GPGInit() called with own gpg id : " << ownId << std::endl;
gpgme_key_t newKey;
gpg_error_t ERR;
if (!gpgmeInit) {
return 0;
}
if(GPG_ERR_NO_ERROR != (ERR = gpgme_get_key(CTX, ownId.c_str(), &newKey, 1))) {
std::cerr << "Error reading the key from keyring" << std::endl;
return 0;
}
mOwnGpgCert.name = newKey->uids->name;
mOwnGpgCert.email = newKey->uids->email;
mOwnGpgCert.fpr = newKey->subkeys->fpr;
mOwnGpgCert.id = ownId;
mOwnGpgCert.key = newKey;
mOwnGpgId = ownId;
mOwnGpgName = newKey->uids->name;
mOwnGpgEmail = newKey->uids->email;
gpgmeKeySelected = true;
storeAllKeys_locked();
printAllKeys_locked();
gpgme_set_passphrase_cb(CTX, pgp_pwd_callback, (void *) NULL);
std::cerr << "AuthGPG::GPGInit finished." << std::endl;
return true;
}
AuthGPG::~AuthGPG()
{
}
// store all keys in map mKeyList to avoid callin gpgme exe repeatedly
bool AuthGPG::storeAllKeys_locked()
{
std::cerr << "AuthGPG::storeAllKeys_locked()";
std::cerr << std::endl;
gpg_error_t ERR;
if (!gpgmeInit)
{
std::cerr << "Error since GPG is not initialised";
std::cerr << std::endl;
return false;
}
std::cerr << "AuthGPG::storeAllKeys_locked() clearing existing ones";
std::cerr << std::endl;
mKeyList.clear();
/* enable SIG mode */
gpgme_keylist_mode_t origmode = gpgme_get_keylist_mode(CTX);
gpgme_keylist_mode_t mode = origmode | GPGME_KEYLIST_MODE_SIGS;
gpgme_set_keylist_mode(CTX, mode);
/* store keys */
gpgme_key_t KEY = NULL;
/* Initiates a key listing 0 = All Keys */
if (GPG_ERR_NO_ERROR != gpgme_op_keylist_start (CTX, "", 0))
{
std::cerr << "Error iterating through KeyList";
std::cerr << std::endl;
gpgme_set_keylist_mode(CTX, origmode);
return false;
}
/* Loop until end of key */
for(int i = 0;(GPG_ERR_NO_ERROR == (ERR = gpgme_op_keylist_next (CTX, &KEY))); i++)
{
/* store in pqiAuthDetails */
gpgcert nu;
/* NB subkeys is a linked list and can contain multiple keys.
* first key is primary.
*/
if ((!KEY->subkeys) || (!KEY->uids))
{
std::cerr << "Invalid Key in List... skipping";
std::cerr << std::endl;
continue;
}
/* In general MainSubKey is used to sign all others!
* Don't really need to worry about other ids either.
*/
gpgme_subkey_t mainsubkey = KEY->subkeys;
nu.id = mainsubkey->keyid;
nu.fpr = mainsubkey->fpr;
std::cerr << "MAIN KEYID: " << nu.id;
std::cerr << " FPR: " << nu.fpr;
std::cerr << std::endl;
gpgme_subkey_t subkeylist = KEY->subkeys;
while(subkeylist != NULL)
{
std::cerr << "\tKEYID: " << subkeylist->keyid;
std::cerr << " FPR: " << subkeylist->fpr;
std::cerr << std::endl;
subkeylist = subkeylist->next;
}
/* NB uids is a linked list and can contain multiple ids.
* first id is primary.
*/
gpgme_user_id_t mainuid = KEY->uids;
nu.name = mainuid->name;
nu.email = mainuid->email;
gpgme_key_sig_t mainsiglist = mainuid->signatures;
std::map<std::string, bool>::iterator itAccept;
if (mAcceptToConnectMap.end() != (itAccept = mAcceptToConnectMap.find(nu.id))) {
nu.accept_connection = itAccept->second;
} else {
nu.accept_connection = false;
mAcceptToConnectMap[nu.id] = false;
}
nu.ownsign = false;
while(mainsiglist != NULL)
{
if (mainsiglist->status == GPG_ERR_NO_ERROR)
{
/* add as a signature ... even if the
* we haven't go the peer yet.
* (might be yet to come).
*/
std::string keyid = mainsiglist->keyid;
if (nu.signers.end() == std::find(
nu.signers.begin(),
nu.signers.end(),keyid))
{
nu.signers.push_back(keyid);
}
if (keyid == mOwnGpgId) {
nu.ownsign = true;
}
}
mainsiglist = mainsiglist->next;
}
gpgme_user_id_t uidlist = KEY->uids;
while(uidlist != NULL)
{
std::cerr << "\tUID: " << uidlist->uid;
std::cerr << " NAME: " << uidlist->name;
std::cerr << " EMAIL: " << uidlist->email;
std::cerr << " VALIDITY: " << uidlist->validity;
std::cerr << std::endl;
gpgme_key_sig_t usiglist = uidlist->signatures;
while(usiglist != NULL)
{
std::cerr << "\t\tSIG KEYID: " << usiglist->keyid;
std::cerr << " UID: " << usiglist->uid;
std::cerr << " NAME: " << usiglist->name;
std::cerr << " EMAIL: " << usiglist->email;
std::cerr << " VALIDITY: " << (usiglist->status == GPG_ERR_NO_ERROR);
std::cerr << std::endl;
usiglist = usiglist->next;
}
uidlist = uidlist->next;
}
/* signatures are attached to uids... but only supplied
* if GPGME_KEYLIST_MODE_SIGS is on.
* signature notation supplied is GPGME_KEYLIST_MODE_SIG_NOTATION is on
*/
nu.trustLvl = KEY->owner_trust;
nu.validLvl = mainuid->validity;
/* grab a reference, so the key remains */
gpgme_key_ref(KEY);
nu.key = KEY;
/* store in map */
mKeyList[nu.id] = nu;
//store own key
if (nu.id == mOwnGpgId) {
mOwnGpgCert = nu;
}
}
if (GPG_ERR_NO_ERROR != gpgme_op_keylist_end(CTX))
{
std::cerr << "Error ending KeyList";
std::cerr << std::endl;
gpgme_set_keylist_mode(CTX, origmode);
return false;
}
gpgme_set_keylist_mode(CTX, origmode);
return true;
}
// update trust on all available keys.
bool AuthGPG::updateTrustAllKeys_locked()
{
gpg_error_t ERR;
if (!gpgmeInit)
{
std::cerr << "Error since GPG is not initialised";
std::cerr << std::endl;
return false;
}
/* have to do this the hard way! */
gpgme_trust_item_t ti = NULL;
std::map<std::string, gpgcert>::iterator it;
for(it = mKeyList.begin(); it != mKeyList.end(); it++)
{
/* check for trust items associated with key */
std::string peerid = it->second.email;
std::cerr << "Searching GPGme for TrustInfo on: " << peerid;
std::cerr << std::endl;
/* Initiates a key listing. NB: maxlevel is ignored!*/
if (GPG_ERR_NO_ERROR != (ERR = gpgme_op_trustlist_start (CTX, peerid.c_str(), 0)))
{
std::cerr << "Error Starting Trust List";
std::cerr << std::endl;
ProcessPGPmeError(ERR);
continue;
}
/* Loop until end of key */
for(int i = 0;(GPG_ERR_NO_ERROR == (ERR =
gpgme_op_trustlist_next (CTX, &ti))); i++)
{
std::string keyid = ti->keyid;
int type = ti->type;
int level = ti->level;
/* identify the peers, and add trust level */
std::cerr << "GPGme Trust Item for: " << keyid;
std::cerr << std::endl;
std::cerr << "\t Type: " << type;
std::cerr << " Level: " << level;
std::cerr << std::endl;
std::cerr << "\t Owner Trust: " << ti->owner_trust;
std::cerr << " Validity: " << ti->validity;
std::cerr << " Name: " << ti->name;
std::cerr << std::endl;
}
std::cerr << "End of TrustList Iteration.";
std::cerr << std::endl;
ProcessPGPmeError(ERR);
if (GPG_ERR_NO_ERROR != gpgme_op_trustlist_end(CTX))
{
std::cerr << "Error ending TrustList";
std::cerr << std::endl;
ProcessPGPmeError(ERR);
}
}
return true;
}
bool AuthGPG::printAllKeys_locked()
{
certmap::const_iterator it;
for(it = mKeyList.begin(); it != mKeyList.end(); it++)
{
std::cerr << "PGP Key: " << it->second.id;
std::cerr << std::endl;
std::cerr << "\tName: " << it->second.name;
std::cerr << std::endl;
std::cerr << "\tEmail: " << it->second.email;
std::cerr << std::endl;
std::cerr << "\townsign: " << it->second.ownsign;
std::cerr << std::endl;
std::cerr << "\ttrustLvl: " << it->second.trustLvl;
std::cerr << std::endl;
std::cerr << "\tvalidLvl: " << it->second.validLvl;
std::cerr << std::endl;
std::cerr << "\tEmail: " << it->second.email;
std::cerr << std::endl;
std::list<std::string>::const_iterator sit;
for(sit = it->second.signers.begin();
sit != it->second.signers.end(); sit++)
{
std::cerr << "\t\tSigner ID:" << *sit;
/* do a naughty second search.. should be ok
* as we aren't modifying list.
*/
certmap::const_iterator kit = mKeyList.find(*sit);
if (kit != mKeyList.end())
{
std::cerr << " Name:" << kit->second.name;
std::cerr << std::endl;
}
}
}
return true;
}
bool AuthGPG::printOwnKeys_locked()
{
certmap::iterator it;
for(it = mKeyList.begin(); it != mKeyList.end(); it++)
{
if (it->second.ownsign)
{
std::cerr << "Own PGP Key: " << it->second.id;
std::cerr << std::endl;
std::cerr << "\tName: " << it->second.name;
std::cerr << std::endl;
std::cerr << "\tEmail: " << it->second.email;
std::cerr << std::endl;
}
}
return true;
}
bool AuthGPG::printKeys()
{
RsStackMutex stack(pgpMtx); /******* LOCKED ******/
printAllKeys_locked();
return printOwnKeys_locked();
}
#if 0
int ASN1_sign(int (*i2d)(), X509_ALGOR *algor1, X509_ALGOR *algor2,
ASN1_BIT_STRING *signature, char *data, EVP_PKEY *pkey,
const EVP_MD *type)
#define X509_sign(x,pkey,md) \
ASN1_sign((int (*)())i2d_X509_CINF, x->cert_info->signature, \
x->sig_alg, x->signature, (char *)x->cert_info,pkey,md)
return NULL;
}
#endif
void ProcessPGPmeError(gpgme_error_t ERR)
{
gpgme_err_code_t code = gpgme_err_code(ERR);
gpgme_err_source_t src = gpgme_err_source(ERR);
std::cerr << "GPGme ERROR: Code: " << code << " Source: " << src << std::endl;
std::cerr << "GPGme ERROR: " << gpgme_strerror(ERR) << std::endl;
}
void print_pgpme_verify_summary(unsigned int summary)
{
std::cerr << "\tFLAGS:";
if (summary & GPGME_SIGSUM_VALID)
std::cerr << " VALID ";
if (summary & GPGME_SIGSUM_GREEN)
std::cerr << " GREEN ";
if (summary & GPGME_SIGSUM_RED)
std::cerr << " RED ";
if (summary & GPGME_SIGSUM_KEY_REVOKED)
std::cerr << " KEY_REVOKED ";
if (summary & GPGME_SIGSUM_KEY_EXPIRED)
std::cerr << " KEY_EXPIRED ";
if (summary & GPGME_SIGSUM_SIG_EXPIRED)
std::cerr << " SIG_EXPIRED ";
if (summary & GPGME_SIGSUM_KEY_MISSING)
std::cerr << " KEY_MISSING ";
if (summary & GPGME_SIGSUM_CRL_MISSING)
std::cerr << " CRL_MISSING ";
if (summary & GPGME_SIGSUM_CRL_TOO_OLD)
std::cerr << " CRL_TOO_OLD ";
if (summary & GPGME_SIGSUM_BAD_POLICY)
std::cerr << " BAD_POLICY ";
if (summary & GPGME_SIGSUM_SYS_ERROR)
std::cerr << " SYS_ERROR ";
std::cerr << std::endl;
}
bool AuthGPG::DoOwnSignature_locked(const void *data, unsigned int datalen, void *buf_sigout, unsigned int *outl)
{
/* setup signers */
gpgme_signers_clear(CTX);
if (GPG_ERR_NO_ERROR != gpgme_signers_add(CTX, mOwnGpgCert.key))
{
std::cerr << "AuthGPG::DoOwnSignature() Error Adding Signer";
std::cerr << std::endl;
}
gpgme_data_t gpgmeData;
gpgme_data_t gpgmeSig;
if (GPG_ERR_NO_ERROR != gpgme_data_new_from_mem(&gpgmeData, (const char *) data, datalen, 1))
{
std::cerr << "Error create Data";
std::cerr << std::endl;
}
if (GPG_ERR_NO_ERROR != gpgme_data_new(&gpgmeSig))
{
std::cerr << "Error create Sig";
std::cerr << std::endl;
}
/* move string data to gpgmeData */
gpgme_set_armor (CTX, 0);
gpgme_sig_mode_t mode = GPGME_SIG_MODE_DETACH;
gpg_error_t ERR;
if (GPG_ERR_NO_ERROR != (ERR = gpgme_op_sign(CTX,gpgmeData, gpgmeSig, mode)))
{
ProcessPGPmeError(ERR);
std::cerr << "AuthGPG::Sign FAILED ERR: " << ERR;
std::cerr << std::endl;
return false;
}
gpgme_sign_result_t res = gpgme_op_sign_result(CTX);
if (res)
{
fprintf(stderr, "Sign Got Result\n");
}
else
{
fprintf(stderr, "Sign Failed to get Result\n");
}
gpgme_invalid_key_t ik = res->invalid_signers;
gpgme_new_signature_t sg = res->signatures;
while(ik != NULL)
{
fprintf(stderr, "AuthGPG::Sign, Invalid by: %s\n", ik->fpr);
ik = ik->next;
}
while(sg != NULL)
{
fprintf(stderr, "AuthGPG::Signed by: %s\n", sg->fpr);
sg = sg->next;
}
/* now extract the data from gpgmeSig */
size_t len = 0;
int len2 = len;
// gpgme_data_write (gpgmeSig, "", 1); // to be able to convert it into a string
char *export_sig = gpgme_data_release_and_get_mem(gpgmeSig, &len);
fprintf(stderr, "AuthGPG::Signature len: %d \n", len);
if (len < *outl) // -1 because we added a 0 at the end.
{
*outl = len;
}
memmove(buf_sigout, export_sig, *outl);
gpgme_free(export_sig);
gpgme_data_release (gpgmeData);
/* extract id(s)! */
return true;
}
/* import to GnuPG and other Certificates */
bool AuthGPG::VerifySignature_locked(const void *data, int datalen, const void *sig, unsigned int siglen, std::string withfingerprint)
{
gpgme_data_t gpgmeSig;
gpgme_data_t gpgmeData;
std::cerr << "VerifySignature: datalen: " << datalen << " siglen: " << siglen;
std::cerr << std::endl;
if(siglen==73)
{
std::cerr << "Reducing to 72 to overcome an old bug." << std::endl ;
siglen=72 ;
}
if (GPG_ERR_NO_ERROR != gpgme_data_new_from_mem(&gpgmeData, (const char *) data, datalen, 1))
{
std::cerr << "Error create Data";
std::cerr << std::endl;
}
if (siglen != 0 && GPG_ERR_NO_ERROR != gpgme_data_new_from_mem(&gpgmeSig, (const char *) sig, siglen, 1))
{
std::cerr << "Error create Sig";
std::cerr << std::endl;
}
/* move string data to gpgmeData */
gpgme_set_armor (CTX, 0);
gpgme_error_t ERR;
if (GPG_ERR_NO_ERROR != (ERR = gpgme_op_verify(CTX,gpgmeSig, gpgmeData, NULL)))
{
ProcessPGPmeError(ERR);
std::cerr << "AuthGPG::Verify FAILED";
std::cerr << std::endl;
}
gpgme_verify_result_t res = gpgme_op_verify_result(CTX);
if (res)
{
fprintf(stderr, "VerifySignature Got Result\n");
}
else
{
fprintf(stderr, "VerifySignature Failed to get Result\n");
return false ;
}
gpgme_signature_t sg = res->signatures;
bool valid = false;
while(sg != NULL)
{
fprintf(stderr, "AuthGPG::Verify Sig by: %s, Result: %d\n", sg->fpr, sg->summary);
print_pgpme_verify_summary(sg->summary);
if (sg->summary & GPGME_SIGSUM_VALID)
{
fprintf(stderr, "AuthGPG::VerifySignature() OK\n");
if (withfingerprint != "" && withfingerprint == std::string(sg->fpr)) {
fprintf(stderr, "AuthGPG::VerifySignature() for the fingerprint key : ");
std::cerr << withfingerprint;
fprintf(stderr, "\n");
valid = true;
}
}
sg = sg->next;
}
gpgme_data_release (gpgmeData);
gpgme_data_release (gpgmeSig);
/* extract id(s)! */
if (!valid)
{
fprintf(stderr, "AuthGPG::VerifySignature() FAILED\n");
}
return valid;
}
bool AuthGPG::active()
{
//RsStackMutex stack(pgpMtx); /******* LOCKED ******/
return ((gpgmeInit) && (gpgmeKeySelected));
}
bool AuthGPG::GeneratePGPCertificate(std::string name, std::string email, std::string passwd, std::string &pgpId, std::string &errString) {
gpgme_key_t newKey;
gpgme_genkey_result_t result;
gpg_error_t ERR;
if(GPG_ERR_NO_ERROR != (ERR = gpgme_op_genkey(CTX, setKeyPairParams(true, 2048, name, "generated by Retroshare", email, \
passwd).c_str(), NULL, NULL))) {
ProcessPGPmeError(ERR);
std::cerr << "Error generating the key" << std::endl;
return 0;
}
if((result = gpgme_op_genkey_result(CTX)) == NULL)
return 0;
if(GPG_ERR_NO_ERROR != (ERR = gpgme_get_key(CTX, result->fpr, &newKey, 1))) {
std::cerr << "Error reading own key" << std::endl;
return 0;
}
pgpId = newKey->subkeys->keyid;
return true;
}
bool AuthGPG::CloseAuth()
{
return true;
}
#if 0 /**** no saving here! let AuthSSL store directories! ****/
int AuthGPG::setConfigDirectories(std::string confFile, std::string neighDir)
{
return 1;
}
#endif
/**** These Two are common */
std::string AuthGPG::getGPGName(GPG_id id)
{
RsStackMutex stack(pgpMtx); /******* LOCKED ******/
certmap::iterator it;
if (mKeyList.end() != (it = mKeyList.find(id)))
return it->second.name;
return std::string();
}
/**** These Two are common */
std::string AuthGPG::getGPGEmail(GPG_id id)
{
RsStackMutex stack(pgpMtx); /******* LOCKED ******/
certmap::iterator it;
if (mKeyList.end() != (it = mKeyList.find(id)))
return it->second.email;
return std::string();
}
/**** GPG versions ***/
std::string AuthGPG::getGPGOwnId()
{
//RsStackMutex stack(pgpMtx); /******* LOCKED ******/
return mOwnGpgId;
}
std::string AuthGPG::getGPGOwnName()
{
//RsStackMutex stack(pgpMtx); /******* LOCKED ******/
return mOwnGpgName;
}
bool AuthGPG::getGPGAllList(std::list<std::string> &ids)
{
RsStackMutex stack(pgpMtx); /******* LOCKED ******/
/* add an id for each pgp certificate */
certmap::iterator it;
for(it = mKeyList.begin(); it != mKeyList.end(); it++)
{
ids.push_back(it->first);
}
return true;
}
bool AuthGPG::getGPGDetails(std::string id, RsPeerDetails &d)
{
RsStackMutex stack(pgpMtx); /******* LOCKED ******/
/* add an id for each pgp certificate */
certmap::iterator it;
if (mKeyList.end() != (it = mKeyList.find(id))) {
d.id = it->second.id; //keep, it but can be bug gen
d.gpg_id = it->second.id;
d.name = it->second.name;
d.email = it->second.email;
d.trustLvl = it->second.trustLvl;
d.validLvl = it->second.validLvl;
d.ownsign = it->second.ownsign;
d.gpgSigners = it->second.signers;
d.fpr = it->second.fpr;
d.accept_connection = it->second.accept_connection;
//did the peer signed me ?
d.hasSignedMe = false;
std::list<std::string>::iterator signersIt;
for(signersIt = mOwnGpgCert.signers.begin(); signersIt != mOwnGpgCert.signers.end() ; ++signersIt) {
if (*signersIt == d.id) {
d.hasSignedMe = true;
break;
}
}
std::cerr << "AuthGPG::getPGPDetails() get details for : " << id << std::endl;
std::cerr << "AuthGPG::getPGPDetails() Name : " << it->second.name << std::endl;
return true;
} else {
return false;
}
}
bool AuthGPG::decryptText(gpgme_data_t CIPHER, gpgme_data_t PLAIN) {
//RsStackMutex stack(pgpMtx); /******* LOCKED ******/
gpgme_set_armor (CTX, 1);
gpg_error_t ERR;
if (GPG_ERR_NO_ERROR != (ERR = gpgme_op_decrypt (CTX, CIPHER, PLAIN)))
{
ProcessPGPmeError(ERR);
std::cerr << "AuthGPG::decryptText() Error decrypting text." << std::endl;
return false;
}
return true;
}
bool AuthGPG::encryptText(gpgme_data_t PLAIN, gpgme_data_t CIPHER) {
//RsStackMutex stack(pgpMtx); /******* LOCKED ******/
gpgme_encrypt_flags_t* flags = new gpgme_encrypt_flags_t();
gpgme_key_t keys[2] = {mOwnGpgCert.key, NULL};
gpgme_set_armor (CTX, 1);
gpg_error_t ERR;
if (GPG_ERR_NO_ERROR != (ERR = gpgme_op_encrypt(CTX, keys, *flags, PLAIN, CIPHER)))
{
ProcessPGPmeError(ERR);
std::cerr << "AuthGPG::encryptText() Error encrypting text.";
std::cerr << std::endl;
return false;
}
return true;
}
bool AuthGPG::getGPGValidList(std::list<std::string> &ids)
{
//RsStackMutex stack(pgpMtx); /******* LOCKED ******/
/* add an id for each pgp certificate */
certmap::iterator it;
for(it = mKeyList.begin(); it != mKeyList.end(); it++)
{
if (it->second.validLvl >= GPGME_VALIDITY_MARGINAL) {
ids.push_back(it->first);
}
}
return true;
}
bool AuthGPG::getGPGAcceptedList(std::list<std::string> &ids)
{
//RsStackMutex stack(pgpMtx); /******* LOCKED ******/
certmap::iterator it;
for(it = mKeyList.begin(); it != mKeyList.end(); it++)
{
if (it->second.accept_connection)
{
ids.push_back(it->first);
}
}
return true;
}
bool AuthGPG::getGPGSignedList(std::list<std::string> &ids)
{
//RsStackMutex stack(pgpMtx); /******* LOCKED ******/
certmap::iterator it;
for(it = mKeyList.begin(); it != mKeyList.end(); it++)
{
if (it->second.ownsign)
{
ids.push_back(it->first);
}
}
return true;
}
bool AuthGPG::isGPGValid(GPG_id id)
{
//RsStackMutex stack(pgpMtx); /******* LOCKED ******/
certmap::iterator it;
if (mKeyList.end() != (it = mKeyList.find(id))) {
return (it->second.validLvl >= GPGME_VALIDITY_MARGINAL);
} else {
return false;
}
}
bool AuthGPG::isGPGId(GPG_id id)
{
RsStackMutex stack(pgpMtx); /******* LOCKED ******/
storeAllKeys_locked();
certmap::iterator it;
if (mKeyList.end() != (it = mKeyList.find(id))) {
return true;
} else {
return false;
}
}
bool AuthGPG::isGPGSigned(GPG_id id)
{
//RsStackMutex stack(pgpMtx); /******* LOCKED ******/
certmap::iterator it;
if (mKeyList.end() != (it = mKeyList.find(id)))
{
return (it->second.ownsign);
}
return false;
}
bool AuthGPG::isGPGAccepted(GPG_id id)
{
//RsStackMutex stack(pgpMtx); /******* LOCKED ******/
certmap::iterator it;
if (mKeyList.end() != (it = mKeyList.find(id)))
{
return (it->second.accept_connection);
}
return false;
}
/****** Large Parts of the p3AuthMgr is provided by AuthSSL ******
* As the majority of functions require SSL Certs
*
* We don't need to save/load openpgp certificates, as the gpgme
* handles this.
*
*/
#if 0
bool AuthGPG::FinalSaveCertificates()
{
return false;
}
bool AuthGPG::CheckSaveCertificates()
{
return false;
}
bool AuthGPG::saveCertificates()
{
return false;
}
bool AuthGPG::loadCertificates()
{
return false;
}
#endif
/*****************************************************************
* Loading and Saving Certificates - this has to
* be able to handle both openpgp and X509 certificates.
*
* X509 are passed onto AuthSSL, OpenPGP are passed to gpgme.
*
*/
/* SKTAN : do not know how to use std::string id */
std::string AuthGPG::SaveCertificateToString(std::string id)
{
if (!isGPGId(id)) {
std::cerr << "AuthGPG::SaveCertificateToString() unknown ID" << std::endl;
return "";
}
RsStackMutex stack(pgpMtx); /******* LOCKED ******/
std::string tmp;
const char *pattern[] = { NULL, NULL };
pattern[0] = id.c_str();
gpgme_data_t gpgmeData;
if (GPG_ERR_NO_ERROR != gpgme_data_new (&gpgmeData))
{
std::cerr << "Error create Data";
std::cerr << std::endl;
}
gpgme_set_armor (CTX, 1);
if (GPG_ERR_NO_ERROR != gpgme_op_export_ext (CTX, pattern, 0, gpgmeData))
{
std::cerr << "Error export Data";
std::cerr << std::endl;
}
gpgme_data_write (gpgmeData, "", 1); // to be able to convert it into a string
fflush (NULL);
fputs ("Begin Result:\n", stdout);
showData (gpgmeData);
fputs ("End Result.\n", stdout);
size_t len = 0;
char *export_txt = gpgme_data_release_and_get_mem(gpgmeData, &len);
tmp = std::string(export_txt);
std::cerr << "Exported Certificate: ";
std::cerr << std::endl;
std::cerr << tmp;
std::cerr << std::endl;
gpgme_free(export_txt);
return tmp;
}
/* import to GnuPG and other Certificates */
bool AuthGPG::LoadCertificateFromString(std::string str, std::string &gpg_id)
{
RsStackMutex stack(pgpMtx); /******* LOCKED ******/
//std::string cleancert = cleanUpCertificate(str); disable for p3disc message on windows system. Move the clean cert in p3peers
std::string cleancert = str;
std::cerr << "AuthGPG::LoadCertificateFromString() cleancert : " << cleancert;
gpgme_data_t gpgmeData;
if (GPG_ERR_NO_ERROR != gpgme_data_new_from_mem(&gpgmeData, cleancert.c_str(), cleancert.length(), 1))
{
std::cerr << "Error create Data";
std::cerr << std::endl;
}
/* move string data to gpgmeData */
gpgme_set_armor (CTX, 1);
if (GPG_ERR_NO_ERROR != gpgme_op_import (CTX,gpgmeData))
{
std::cerr << "AuthGPG::LoadCertificateFromString() Error Importing Certificate";
std::cerr << std::endl;
return false ;
}
gpgme_import_result_t res = gpgme_op_import_result(CTX);
std::string fingerprint = std::string(res->imports->fpr);
std::cerr << "AuthGPG::LoadCertificateFromString() Importing considered folowing fpr : " << fingerprint << std::endl;
int imported = res->imported;
fprintf(stderr, "ImportCertificate(Considered: %d Imported: %d)\n",
res->considered, res->imported);
/* do we need to delete res??? */
gpgme_data_release (gpgmeData);
/* extract id(s)! (only if we actually imported one) */
if (imported)
{
storeAllKeys_locked();
}
//retrieve the id of the key
certmap::iterator it;
for(it = mKeyList.begin(); it != mKeyList.end(); it++)
{
if (it->second.fpr == fingerprint)
{
gpg_id = it->second.id;
break;
}
}
std::cerr << "AuthGPG::LoadCertificateFromString() returning with gpg_id : " << gpg_id << std::endl;
return true;
}
/*****************************************************************
* Auth...? Signing, Revoke, Trust are all done at
* the PGP level....
*
* Only Signing of SSL is done at setup.
* Auth should be done... ?? not sure
* maybe
*
*/
/*************************************/
/* These take PGP Ids */
bool AuthGPG::setAcceptToConnectGPGCertificate(std::string gpg_id, bool acceptance)
{
std::cerr << "AuthGPG::markGPGCertificateAsFriends(" << gpg_id << ")";
std::cerr << std::endl;
/* reload stuff now ... */
RsStackMutex stack(pgpMtx); /******* LOCKED ******/
certmap::iterator it;
if (mKeyList.end() == (it = mKeyList.find(gpg_id))) {
return false;
}
it->second.accept_connection = acceptance;
mAcceptToConnectMap[gpg_id] = acceptance;
IndicateConfigChanged();
return true;
}
/* These take PGP Ids */
bool AuthGPG::SignCertificateLevel0(GPG_id id)
{
std::cerr << "AuthGPG::SignCertificat(" << id << ")";
std::cerr << std::endl;
if (1 != privateSignCertificate(id))
{
return false;
}
/* reload stuff now ... */
RsStackMutex stack(pgpMtx); /******* LOCKED ******/
storeAllKeys_locked();
return true;
}
bool AuthGPG::RevokeCertificate(std::string id)
{
RsStackMutex stack(pgpMtx); /******* LOCKED ******/
std::cerr << "AuthGPG::RevokeCertificate(" << id << ")";
std::cerr << std::endl;
return false;
}
bool AuthGPG::TrustCertificateMarginally(std::string id)
{
std::cerr << "AuthGPG::TrustCertificateMarginally(" << id << ")";
std::cerr << std::endl;
//TODO implement it
return false;
}
bool AuthGPG::TrustCertificate(std::string id, int trustlvl)
{
std::cerr << "AuthGPG::TrustCertificate(" << id << ", " << trustlvl << ")" << std::endl;
return this->privateTrustCertificate(id, trustlvl);
}
bool AuthGPG::SignData(std::string input, std::string &sign)
{
return false;
}
bool AuthGPG::SignData(const void *data, const uint32_t len, std::string &sign)
{
return false;
}
bool AuthGPG::SignDataBin(std::string input, unsigned char *sign, unsigned int *signlen)
{
return false;
}
bool AuthGPG::SignDataBin(const void *data, unsigned int datalen, unsigned char *sign, unsigned int *signlen) {
return DoOwnSignature_locked(data, datalen,
sign, signlen);
}
bool AuthGPG::VerifySignBin(const void *data, uint32_t datalen, unsigned char *sign, unsigned int signlen, std::string withfingerprint) {
return VerifySignature_locked(data, datalen,
sign, signlen, withfingerprint);
}
/* Sign/Trust stuff */
int AuthGPG::privateSignCertificate(std::string id)
{
/* The key should be in Others list and not in Peers list ??
* Once the key is signed, it moves from Others to Peers list ???
*/
certmap::iterator it;
if (mKeyList.end() == (it = mKeyList.find(id)))
{
return false;
}
gpgme_key_t signKey = it->second.key;
gpgme_key_t ownKey = mOwnGpgCert.key;
class SignParams sparams("0");
class EditParams params(SIGN_START, &sparams);
gpgme_data_t out;
gpg_error_t ERR;
if(GPG_ERR_NO_ERROR != (ERR = gpgme_data_new(&out))) {
return 0;
}
gpgme_signers_clear(CTX);
if(GPG_ERR_NO_ERROR != (ERR = gpgme_signers_add(CTX, ownKey))) {
return 0;
}
if(GPG_ERR_NO_ERROR != (ERR = gpgme_op_edit(CTX, signKey, keySignCallback, &params, out))) {
return 0;
}
RsStackMutex stack(pgpMtx); /******* LOCKED ******/
storeAllKeys_locked();
return 1;
}
/* revoke the signature on Certificate */
int AuthGPG::privateRevokeCertificate(std::string id)
{
RsStackMutex stack(pgpMtx); /******* LOCKED ******/
return 0;
}
int AuthGPG::privateTrustCertificate(std::string id, int trustlvl)
{
/* The certificate should be in Peers list ??? */
if(!isGPGSigned(id)) {
std::cerr << "Invalid Certificate" << std::endl;
return 0;
}
gpgcert trustCert = mKeyList.find(id)->second;
gpgme_key_t trustKey = trustCert.key;
std::string trustString;
std::ostringstream trustStrOut;
trustStrOut << trustlvl;
class TrustParams sparams(trustStrOut.str());
class EditParams params(TRUST_START, &sparams);
gpgme_data_t out;
gpg_error_t ERR;
if(GPG_ERR_NO_ERROR != (ERR = gpgme_data_new(&out))) {
return 0;
}
if(GPG_ERR_NO_ERROR != (ERR = gpgme_op_edit(CTX, trustKey, trustCallback, &params, out)))
return 0;
//the key ref has changed, we got to get rid of the old reference.
trustCert.key = NULL;
RsStackMutex stack(pgpMtx); /******* LOCKED ******/
storeAllKeys_locked();
return 1;
}
/* This function to print Data */
void AuthGPG::showData(gpgme_data_t dh)
{
#define BUF_SIZE 512
char buf[BUF_SIZE + 1];
int ret;
ret = gpgme_data_seek (dh, 0, SEEK_SET);
if (ret)
{
std::cerr << "Fail data seek";
std::cerr << std::endl;
// fail_if_err (gpgme_err_code_from_errno (errno));
}
while ((ret = gpgme_data_read (dh, buf, BUF_SIZE)) > 0)
fwrite (buf, ret, 1, stdout);
if (ret < 0)
{
std::cerr << "Fail data seek";
std::cerr << std::endl;
//fail_if_err (gpgme_err_code_from_errno (errno));
}
}
/******************************************************************************/
/* TEST/DEBUG */
/******************************************************************************/
/*
* Create a number of friends and add them to the Map of peers.
* Create a number of friends and add them to the Map of "others" -- people who
* are known but are not allowed to access retroshare
*/
void AuthGPG::createDummyFriends()
{
const unsigned int DUMMY_KEY_LEN = 2048;
// create key params for a few dummies
std::string friend1 = setKeyPairParams(true, DUMMY_KEY_LEN, "friend89",
"I am your first friend", "friend1@friend.com");
std::string friend2 = setKeyPairParams(true, DUMMY_KEY_LEN, "friend2",
"I am your second friend", "friend2@friend.com");
std::string friend3 = setKeyPairParams(true, DUMMY_KEY_LEN, "friend3",
"I am your third friend", "friend3@friend.com");
// params for others
std::string other1 = setKeyPairParams(true, DUMMY_KEY_LEN, "other89",
"I am your first other", "other@other.com");
std::string other2 = setKeyPairParams(true, DUMMY_KEY_LEN, "other2",
"I am your second other", "other2@other.com");
std::string other3 = setKeyPairParams(true, DUMMY_KEY_LEN, "other3",
"I am your third other", "other3@other.com");
gpgme_error_t rc = GPG_ERR_NO_ERROR; // assume OK
rc = gpgme_op_genkey(CTX, friend1.c_str(), NULL, NULL);
rc = gpgme_op_genkey(CTX, friend2.c_str(), NULL, NULL);
rc = gpgme_op_genkey(CTX, friend3.c_str(), NULL, NULL);
rc = gpgme_op_genkey(CTX, other1.c_str(), NULL, NULL);
rc = gpgme_op_genkey(CTX, other2.c_str(), NULL, NULL);
rc = gpgme_op_genkey(CTX, other3.c_str(), NULL, NULL);
std::cout << "createDummyFriends(): exit" << std::endl;
return;
}
static std::string setKeyPairParams(bool useRsa, unsigned int blen,
std::string name, std::string comment, std::string email)
{
std::ostringstream params;
params << "<GnupgKeyParms format=\"internal\">"<< std::endl;
if (useRsa)
{
params << "Key-Type: RSA"<< std::endl;
if (blen < 1024)
{
std::cerr << "Weak Key... strengthing..."<< std::endl;
blen = 1024;
}
blen = ((blen / 512) * 512); /* make multiple of 512 */
params << "Key-Length: "<< blen << std::endl;
}
else
{
params << "Key-Type: DSA"<< std::endl;
params << "Key-Length: 1024"<< std::endl;
params << "Subkey-Type: ELG-E"<< std::endl;
params << "Subkey-Length: 1024"<< std::endl;
}
params << "Name-Real: "<< name << std::endl;
params << "Name-Comment: "<< comment << std::endl;
params << "Name-Email: "<< email << std::endl;
params << "Expire-Date: 0"<< std::endl;
params << "</GnupgKeyParms>"<< std::endl;
return params.str();
}
static std::string setKeyPairParams(bool useRsa, unsigned int blen,
std::string name, std::string comment, std::string email,
std::string inPassphrase)
{
std::ostringstream params;
params << "<GnupgKeyParms format=\"internal\">"<< std::endl;
if (useRsa)
{
params << "Key-Type: RSA"<< std::endl;
if (blen < 1024)
{
std::cerr << "Weak Key... strengthing..."<< std::endl;
blen = 1024;
}
blen = ((blen / 512) * 512); /* make multiple of 512 */
params << "Key-Length: "<< blen << std::endl;
}
else
{
params << "Key-Type: DSA"<< std::endl;
params << "Key-Length: 1024"<< std::endl;
params << "Subkey-Type: ELG-E"<< std::endl;
params << "Subkey-Length: 1024"<< std::endl;
}
params << "Name-Real: "<< name << std::endl;
params << "Name-Comment: "<< comment << std::endl;
params << "Name-Email: "<< email << std::endl;
params << "Expire-Date: 0"<< std::endl;
params << "Passphrase: "<< inPassphrase << std::endl;
params << "</GnupgKeyParms>"<< std::endl;
return params.str();
}
/* Author: Shiva
* This function returns the key macthing the user parameters
* from the keyring
*/
static gpgme_key_t getKey(gpgme_ctx_t CTX, std::string name, std::string comment, std::string email) {
gpgme_key_t key;
gpgme_user_id_t user;
/* Initiates a key listing */
if (GPG_ERR_NO_ERROR != gpgme_op_keylist_start (CTX, "", 0))
{
std::cerr << "Error iterating through KeyList";
std::cerr << std::endl;
return false;
}
/* Loop until end of key */
for(int i = 0;(GPG_ERR_NO_ERROR == gpgme_op_keylist_next (CTX, &key)); i++)
{
user = key->uids;
while(user != NULL) {
if((name.size() && name == user->name) && (comment.size() && comment == user->comment) && \
(email.size() && email == user->email))
{
/* grab a reference to the key */
gpgme_op_keylist_end(CTX);
if (GPG_ERR_NO_ERROR != gpgme_op_keylist_end(CTX))
{
std::cerr << "Error ending KeyList";
std::cerr << std::endl;
}
gpgme_key_ref(key);
return key;
}
user = user->next;
}
}
if (GPG_ERR_NO_ERROR != gpgme_op_keylist_end(CTX))
{
std::cerr << "Error ending KeyList";
std::cerr << std::endl;
}
return NULL;
}
/* Callback function for key signing */
static gpg_error_t keySignCallback(void *opaque, gpgme_status_code_t status, \
const char *args, int fd) {
class EditParams *params = (class EditParams *)opaque;
class SignParams *sparams = (class SignParams *)params->oParams;
const char *result = NULL;
fprintf(stderr,"keySignCallback status: %d args: %s, params->state: %d\n", status, args, params->state);
/* printf stuff out */
if (status == GPGME_STATUS_EOF)
fprintf(stderr,"keySignCallback GPGME_STATUS_EOF\n");
if (status == GPGME_STATUS_GOT_IT)
fprintf(stderr,"keySignCallback GPGME_STATUS_GOT_IT\n");
if (status == GPGME_STATUS_USERID_HINT)
fprintf(stderr,"keySignCallback GPGME_STATUS_USERID_HINT\n");
if (status == GPGME_STATUS_NEED_PASSPHRASE)
fprintf(stderr,"keySignCallback GPGME_STATUS_NEED_PASSPHRASE\n");
if (status == GPGME_STATUS_GOOD_PASSPHRASE)
fprintf(stderr,"keySignCallback GPGME_STATUS_GOOD_PASSPHRASE\n");
if (status == GPGME_STATUS_BAD_PASSPHRASE)
fprintf(stderr,"keySignCallback GPGME_STATUS_BAD_PASSPHRASE\n");
if (status == GPGME_STATUS_GET_LINE)
fprintf(stderr,"keySignCallback GPGME_STATUS_GET_LINE\n");
if (status == GPGME_STATUS_GET_BOOL)
fprintf(stderr,"keySignCallback GPGME_STATUS_GET_BOOL\n");
if (status == GPGME_STATUS_ALREADY_SIGNED)
fprintf(stderr,"keySignCallback GPGME_STATUS_ALREADY_SIGNED\n");
/* printf stuff out */
if (params->state == SIGN_START)
fprintf(stderr,"keySignCallback params->state SIGN_START\n");
if (params->state == SIGN_COMMAND)
fprintf(stderr,"keySignCallback params->state SIGN_COMMAND\n");
if (params->state == SIGN_UIDS)
fprintf(stderr,"keySignCallback params->state SIGN_UIDS\n");
if (params->state == SIGN_SET_EXPIRE)
fprintf(stderr,"keySignCallback params->state SIGN_SET_EXPIRE\n");
if (params->state == SIGN_SET_CHECK_LEVEL)
fprintf(stderr,"keySignCallback params->state SIGN_SET_CHECK_LEVEL\n");
if (params->state == SIGN_CONFIRM)
fprintf(stderr,"keySignCallback params->state SIGN_CONFIRM\n");
if (params->state == SIGN_QUIT)
fprintf(stderr,"keySignCallback params->state SIGN_QUIT\n");
if (params->state == SIGN_ENTER_PASSPHRASE)
fprintf(stderr,"keySignCallback params->state SIGN_ENTER_PASSPHRASE\n");
if (params->state == SIGN_ERROR)
fprintf(stderr,"keySignCallback params->state SIGN_ERROR");
if(status == GPGME_STATUS_EOF ||
status == GPGME_STATUS_GOT_IT ||
status == GPGME_STATUS_USERID_HINT ||
status == GPGME_STATUS_NEED_PASSPHRASE ||
// status == GPGME_STATUS_GOOD_PASSPHRASE ||
status == GPGME_STATUS_BAD_PASSPHRASE) {
fprintf(stderr,"keySignCallback Error status\n");
ProcessPGPmeError(params->err);
return params->err;
}
switch (params->state)
{
case SIGN_START:
fprintf(stderr,"keySignCallback SIGN_START\n");
if (status == GPGME_STATUS_GET_LINE &&
(!std::string("keyedit.prompt").compare(args)))
{
params->state = SIGN_COMMAND;
result = "sign";
}
else
{
params->state = SIGN_ERROR;
params->err = gpg_error (GPG_ERR_GENERAL);
}
break;
case SIGN_COMMAND:
fprintf(stderr,"keySignCallback SIGN_COMMAND\n");
if (status == GPGME_STATUS_GET_BOOL &&
(!std::string("keyedit.sign_all.okay").compare(args)))
{
params->state = SIGN_UIDS;
result = "Y";
}
else if (status == GPGME_STATUS_GET_BOOL &&
(!std::string("sign_uid.okay").compare(args)))
{
params->state = SIGN_ENTER_PASSPHRASE;
result = "Y";
}
else if (status == GPGME_STATUS_GET_LINE &&
(!std::string("sign_uid.expire").compare(args)))
{
params->state = SIGN_SET_EXPIRE;
result = "Y";
}
else if (status == GPGME_STATUS_GET_LINE &&
(!std::string("sign_uid.class").compare(args)))
{
params->state = SIGN_SET_CHECK_LEVEL;
result = sparams->checkLvl.c_str();
}
else if (status == GPGME_STATUS_ALREADY_SIGNED)
{
/* The key has already been signed with this key */
params->state = SIGN_QUIT;
result = "quit";
}
else if (status == GPGME_STATUS_GET_LINE &&
(!std::string("keyedit.prompt").compare(args)))
{
/* Failed sign: expired key */
params->state = SIGN_ERROR;
params->err = gpg_error (GPG_ERR_UNUSABLE_PUBKEY);
}
else
{
params->state = SIGN_ERROR;
params->err = gpg_error (GPG_ERR_GENERAL);
}
break;
case SIGN_UIDS:
fprintf(stderr,"keySignCallback SIGN_UIDS\n");
if (status == GPGME_STATUS_GET_LINE &&
(!std::string("sign_uid.expire").compare(args)))
{
params->state = SIGN_SET_EXPIRE;
result = "Y";
}
else if (status == GPGME_STATUS_GET_LINE &&
(!std::string("sign_uid.class").compare(args)))
{
params->state = SIGN_SET_CHECK_LEVEL;
result = sparams->checkLvl.c_str();
}
else if (status == GPGME_STATUS_GET_BOOL &&
(!std::string("sign_uid.okay").compare(args)))
{
params->state = SIGN_ENTER_PASSPHRASE;
result = "Y";
}
else if (status == GPGME_STATUS_GET_LINE &&
(!std::string("keyedit.prompt").compare(args)))
{
/* Failed sign: expired key */
params->state = SIGN_ERROR;
params->err = gpg_error (GPG_ERR_UNUSABLE_PUBKEY);
}
else
{
params->state = SIGN_ERROR;
params->err = gpg_error (GPG_ERR_GENERAL);
}
break;
case SIGN_SET_EXPIRE:
fprintf(stderr,"keySignCallback SIGN_SET_EXPIRE\n");
if (status == GPGME_STATUS_GET_LINE &&
(!std::string("sign_uid.class").compare(args)))
{
params->state = SIGN_SET_CHECK_LEVEL;
result = sparams->checkLvl.c_str();
}
else
{
params->state = SIGN_ERROR;
params->err = gpg_error (GPG_ERR_GENERAL);
}
break;
case SIGN_SET_CHECK_LEVEL:
fprintf(stderr,"keySignCallback SIGN_SET_CHECK_LEVEL\n");
if (status == GPGME_STATUS_GET_BOOL &&
(!std::string("sign_uid.okay").compare(args)))
{
params->state = SIGN_ENTER_PASSPHRASE;
result = "Y";
}
else
{
params->state = SIGN_ERROR;
params->err = gpg_error (GPG_ERR_GENERAL);
}
break;
case SIGN_ENTER_PASSPHRASE:
fprintf(stderr,"keySignCallback SIGN_ENTER_PASSPHRASE\n");
if (status == GPGME_STATUS_GOOD_PASSPHRASE)
{
params->state = SIGN_CONFIRM;
}
else
{
params->state = SIGN_ERROR;
params->err = gpg_error (GPG_ERR_GENERAL);
}
break;
case SIGN_CONFIRM:
fprintf(stderr,"keySignCallback SIGN_CONFIRM\n");
if (status == GPGME_STATUS_GET_LINE &&
(!std::string("keyedit.prompt").compare(args)))
{
params->state = SIGN_QUIT;
result = "quit";
}
else
{
params->state = SIGN_ERROR;
params->err = gpg_error (GPG_ERR_GENERAL);
}
break;
case SIGN_QUIT:
fprintf(stderr,"keySignCallback SIGN_QUIT\n");
if (status == GPGME_STATUS_GET_BOOL &&
(!std::string("keyedit.save.okay").compare(args)))
{
params->state = SIGN_SAVE;
result = "Y";
}
else
{
params->state = SIGN_ERROR;
params->err = gpg_error (GPG_ERR_GENERAL);
}
break;
case SIGN_ERROR:
fprintf(stderr,"keySignCallback SIGN_ERROR\n");
if (status == GPGME_STATUS_GET_LINE &&
(!std::string("keyedit.prompt").compare(args)))
{
/* Go to quit operation state */
params->state = SIGN_QUIT;
result = "quit";
}
else
{
params->state = SIGN_ERROR;
params->err = gpg_error (GPG_ERR_GENERAL);
}
break;
default:
fprintf(stderr,"keySignCallback UNKNOWN state\n");
break;
}
if (result)
{
fprintf(stderr,"keySignCallback result:%s\n", result);
#ifndef WINDOWS_SYS
if (*result)
write (fd, result, strlen (result));
write (fd, "\n", 1);
#else
DWORD written = 0;
HANDLE winFd = (HANDLE) fd;
if (*result)
WriteFile(winFd, result, strlen(result), &written, NULL);
WriteFile(winFd, "\n", 1, &written, NULL);
#endif
}
fprintf(stderr,"keySignCallback Error status\n");
ProcessPGPmeError(params->err);
return params->err;
}
/* Callback function for assigning trust level */
static gpgme_error_t trustCallback(void *opaque, gpgme_status_code_t status, \
const char *args, int fd) {
class EditParams *params = (class EditParams *)opaque;
class TrustParams *tparams = (class TrustParams *)params->oParams;
const char *result = NULL;
/* printf stuff out */
if (status == GPGME_STATUS_EOF)
fprintf(stderr,"keySignCallback GPGME_STATUS_EOF\n");
if (status == GPGME_STATUS_GOT_IT)
fprintf(stderr,"keySignCallback GPGME_STATUS_GOT_IT\n");
if (status == GPGME_STATUS_USERID_HINT)
fprintf(stderr,"keySignCallback GPGME_STATUS_USERID_HINT\n");
if (status == GPGME_STATUS_NEED_PASSPHRASE)
fprintf(stderr,"keySignCallback GPGME_STATUS_NEED_PASSPHRASE\n");
if (status == GPGME_STATUS_GOOD_PASSPHRASE)
fprintf(stderr,"keySignCallback GPGME_STATUS_GOOD_PASSPHRASE\n");
if (status == GPGME_STATUS_BAD_PASSPHRASE)
fprintf(stderr,"keySignCallback GPGME_STATUS_BAD_PASSPHRASE\n");
if (status == GPGME_STATUS_GET_LINE)
fprintf(stderr,"keySignCallback GPGME_STATUS_GET_LINE\n");
if (status == GPGME_STATUS_GET_BOOL)
fprintf(stderr,"keySignCallback GPGME_STATUS_GET_BOOL \n");
if (status == GPGME_STATUS_ALREADY_SIGNED)
fprintf(stderr,"keySignCallback GPGME_STATUS_ALREADY_SIGNED\n");
/* printf stuff out */
if (params->state == TRUST_START)
fprintf(stderr,"keySignCallback params->state TRUST_START\n");
if (params->state == TRUST_COMMAND)
fprintf(stderr,"keySignCallback params->state TRUST_COMMAND\n");
if (params->state == TRUST_VALUE)
fprintf(stderr,"keySignCallback params->state TRUST_VALUE\n");
if (params->state == TRUST_REALLY_ULTIMATE)
fprintf(stderr,"keySignCallback params->state TRUST_REALLY_ULTIMATE\n");
if (params->state == TRUST_QUIT)
fprintf(stderr,"keySignCallback params->state TRUST_QUIT\n");
if (params->state == TRUST_ERROR)
fprintf(stderr,"keySignCallback params->state TRUST_ERROR\n");
if(status == GPGME_STATUS_EOF ||
status == GPGME_STATUS_GOT_IT) {
return params->err;
}
switch (params->state)
{
case TRUST_START:
if (status == GPGME_STATUS_GET_LINE &&
(!std::string("keyedit.prompt").compare(args))) {
params->state = TRUST_COMMAND;
result = "trust";
} else {
params->state = TRUST_ERROR;
params->err = gpg_error (GPG_ERR_GENERAL);
}
break;
case TRUST_COMMAND:
if (status == GPGME_STATUS_GET_LINE &&
(!std::string("edit_ownertrust.value").compare(args))) {
params->state = TRUST_VALUE;
result = tparams->trustLvl.c_str();;
} else {
params->state = TRUST_ERROR;
params->err = gpg_error (GPG_ERR_GENERAL);
}
break;
case TRUST_VALUE:
if (status == GPGME_STATUS_GET_LINE &&
(!std::string("keyedit.prompt").compare(args))) {
params->state = TRUST_QUIT;
result = "quit";
}
else if (status == GPGME_STATUS_GET_BOOL &&
(!std::string("edit_ownertrust.set_ultimate.okay").compare(args))) {
params->state = TRUST_REALLY_ULTIMATE;
result = "Y";
}
else {
params->state = TRUST_ERROR;
params->err = gpg_error (GPG_ERR_GENERAL);
}
break;
case TRUST_REALLY_ULTIMATE:
if (status == GPGME_STATUS_GET_LINE &&
(!std::string("keyedit.prompt").compare(args))) {
params->state = TRUST_QUIT;
result = "quit";
} else {
params->state = TRUST_ERROR;
params->err = gpg_error (GPG_ERR_GENERAL);
}
break;
case TRUST_QUIT:
if (status == GPGME_STATUS_GET_BOOL &&
(!std::string("keyedit.save.okay").compare(args))) {
params->state = TRUST_SAVE;
result = "Y";
} else {
params->state = TRUST_ERROR;
params->err = gpg_error (GPG_ERR_GENERAL);
}
break;
case TRUST_ERROR:
if (status == GPGME_STATUS_GET_LINE &&
(!std::string("keyedit.prompt").compare(args))) {
/* Go to quit operation state */
params->state = TRUST_QUIT;
result = "quit";
} else {
params->state = TRUST_ERROR;
}
break;
}
if (result)
{
#ifndef WINDOWS_SYS
if (*result)
write (fd, result, strlen (result));
write (fd, "\n", 1);
#else
DWORD written = 0;
HANDLE winFd = (HANDLE) fd;
if (*result)
WriteFile(winFd, result, strlen (result), &written, NULL);
WriteFile(winFd, "\n", 1, &written, NULL);
#endif
std::cerr << "trustCallback() result : " << result << std::endl;
}
return params->err;
}
// -----------------------------------------------------------------------------------//
// -------------------------------- Config functions ------------------------------ //
// -----------------------------------------------------------------------------------//
//
RsSerialiser *AuthGPG::setupSerialiser()
{
RsSerialiser *rss = new RsSerialiser ;
rss->addSerialType(new RsGeneralConfigSerialiser());
return rss ;
}
std::list<RsItem*> AuthGPG::saveList(bool& cleanup)
{
std::cerr << "AuthGPG::saveList() called" << std::endl ;
cleanup = true ;
std::list<RsItem*> lst ;
// Now save config for network digging strategies
RsConfigKeyValueSet *vitem = new RsConfigKeyValueSet ;
std::map<std::string, bool>::iterator mapIt;
for (mapIt = mAcceptToConnectMap.begin(); mapIt != mAcceptToConnectMap.end(); mapIt++) {
if (mapIt->first == getGPGOwnId()) {
continue;
}
RsTlvKeyValue kv;
kv.key = mapIt->first;
std::cerr << "AuthGPG::saveList() called (mapIt->second) : " << (mapIt->second) << std::endl ;
kv.value = (mapIt->second)?"TRUE":"FALSE" ;
vitem->tlvkvs.pairs.push_back(kv) ;
}
lst.push_back(vitem);
return lst ;
}
bool AuthGPG::loadList(std::list<RsItem*> load)
{
std::cerr << "AuthGPG::loadList() Item Count: " << load.size() << std::endl;
RsStackMutex stack(pgpMtx); /****** STACK LOCK MUTEX *******/
storeAllKeys_locked();
/* load the list of accepted gpg keys */
std::list<RsItem *>::iterator it;
for(it = load.begin(); it != load.end(); it++) {
RsConfigKeyValueSet *vitem = dynamic_cast<RsConfigKeyValueSet *>(*it);
if(vitem) {
std::cerr << "AuthGPG::loadList() General Variable Config Item:" << std::endl;
vitem->print(std::cerr, 10);
std::cerr << std::endl;
std::list<RsTlvKeyValue>::iterator kit;
for(kit = vitem->tlvkvs.pairs.begin(); kit != vitem->tlvkvs.pairs.end(); kit++) {
if (kit->key == getGPGOwnId()) {
continue;
}
mAcceptToConnectMap[kit->key] = (kit->value == "TRUE");
//set the gpg key
certmap::iterator it;
if (mKeyList.end() != (it = mKeyList.find(kit->key))) {
std::cerr << "AuthGPG::loadList() setting accept to : " << (kit->value == "TRUE");
std::cerr << " for gpg key id : " << kit->key << std::endl;
it->second.accept_connection = (kit->value == "TRUE");
}
}
}
delete (*it);
}
return true;
}
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