int GWEN_Padd_PaddWithPkcs1Bt1(GWEN_BUFFER *buf, int dstSize) {
unsigned int diff;
char *p;
if ((unsigned int)dstSize<GWEN_Buffer_GetUsedBytes(buf)) {
DBG_ERROR(GWEN_LOGDOMAIN, "Buffer contains too much data");
return GWEN_ERROR_INVALID;
}
diff=dstSize-GWEN_Buffer_GetUsedBytes(buf);
if (diff<11) {
/* honour minimum padding length for BT 1 of 8 bytes, plus the
* leading and the trailing zero and the block type identifier */
DBG_ERROR(GWEN_LOGDOMAIN,
"Buffer contains too many bytes (diff is <11)");
return GWEN_ERROR_INVALID;
}
/* reset position to 0 */
GWEN_Buffer_Rewind(buf);
if (GWEN_Buffer_InsertRoom(buf, diff)) {
DBG_ERROR(GWEN_LOGDOMAIN, "Could not insert room for %d bytes", diff);
return GWEN_ERROR_GENERIC;
}
p=GWEN_Buffer_GetStart(buf);
*(p++)=0x00;
*(p++)=0x01; /* block type 01 */
if (diff>3) {
memset(p, 0xff, diff-3);
p+=diff-3;
}
*(p++)=0x00;
return 0;
}
int GWEN_Padd_UnpaddWithIso9796_2(GWEN_BUFFER *buf) {
uint32_t l;
uint32_t realSize;
const uint8_t *p;
l=GWEN_Buffer_GetUsedBytes(buf);
if (l<11) {
DBG_ERROR(GWEN_LOGDOMAIN, "Buffer contains too few bytes");
return GWEN_ERROR_INVALID;
}
p=(const uint8_t*)GWEN_Buffer_GetStart(buf);
if (*p!=0x60) {
DBG_ERROR(GWEN_LOGDOMAIN, "First byte is not a 0x60");
return GWEN_ERROR_BAD_DATA;
}
p++;
l=0;
while(*p==0x00) {
l++;
p++;
}
if (*p!=0x01) {
/*DBG_ERROR(GWEN_LOGDOMAIN, "First byte after padding is not a 0x01");*/
return GWEN_ERROR_BAD_DATA;
}
realSize=GWEN_Buffer_GetUsedBytes(buf)-11-l;
GWEN_Buffer_Crop(buf, 10+l, realSize);
return 0;
}
LC_CLIENT_RESULT LC_EgkCard_ReadRawPd(LC_CARD *card, GWEN_BUFFER *buf){
LC_EGKCARD *egk;
LC_CLIENT_RESULT res;
GWEN_BUFFER *lbuf;
int size;
const unsigned char *p;
assert(card);
egk=GWEN_INHERIT_GETDATA(LC_CARD, LC_EGKCARD, card);
assert(egk);
res=LC_Card_SelectEf(card, "EF_PD");
if (res!=LC_Client_ResultOk)
return res;
lbuf=GWEN_Buffer_new(0, 2, 0, 1);
res=LC_Card_IsoReadBinary(card, 0, 0, 2, lbuf);
if (res!=LC_Client_ResultOk) {
GWEN_Buffer_free(lbuf);
return res;
}
if (GWEN_Buffer_GetUsedBytes(lbuf)<2) {
DBG_ERROR(LC_LOGDOMAIN, "Invalid response size (%d)",
GWEN_Buffer_GetUsedBytes(lbuf));
GWEN_Buffer_free(lbuf);
return LC_Client_ResultDataError;
}
p=(const unsigned char*)GWEN_Buffer_GetStart(lbuf);
assert(p);
size=(*(p++))<<8;
size+=*p;
if (size<2) {
DBG_ERROR(LC_LOGDOMAIN, "Invalid size spec in data (%d)", size);
GWEN_Buffer_free(lbuf);
return LC_Client_ResultDataError;
}
size-=2;
GWEN_Buffer_Reset(lbuf);
if (size) {
res=LC_Card_ReadBinary(card, 2, size, lbuf);
if (res!=LC_Client_ResultOk) {
DBG_INFO(LC_LOGDOMAIN, "here (%d)", res);
GWEN_Buffer_free(lbuf);
return res;
}
}
res=LC_EgkCard_Unzip(GWEN_Buffer_GetStart(lbuf),
GWEN_Buffer_GetUsedBytes(lbuf),
buf);
GWEN_Buffer_free(lbuf);
return res;
}
int GWEN_Padd__UnpaddWithPkcs1Bt1Or2(GWEN_BUFFER *buf) {
char *p;
uint32_t len;
uint32_t paddBytes;
assert(buf);
len=GWEN_Buffer_GetUsedBytes(buf);
assert(len);
p=GWEN_Buffer_GetStart(buf);
if (*p==0) {
p++;
len--;
}
if (len<11) {
DBG_ERROR(GWEN_LOGDOMAIN, "Too few bytes left (%d)", len);
return GWEN_ERROR_INVALID;
}
if (*p!=0x01 && *p!=0x02) {
DBG_ERROR(GWEN_LOGDOMAIN, "Unsupported block type %02x", *p);
return GWEN_ERROR_INVALID;
}
p++;
len--;
/* skip padding bytes */
paddBytes=0;
while(*p!=0x00 && len) {
p++;
len--;
paddBytes++;
}
if (*p!=0x00) {
DBG_ERROR(GWEN_LOGDOMAIN, "Bad padding");
return GWEN_ERROR_INVALID;
}
p++;
len--;
if (paddBytes<8) {
/* at least 8 padding bytes are needed */
DBG_ERROR(GWEN_LOGDOMAIN, "Bad padding (too few padding bytes)");
return GWEN_ERROR_INVALID;
}
GWEN_Buffer_Crop(buf, GWEN_Buffer_GetUsedBytes(buf)-len, len);
return 0;
}
int GWEN_CryptMgr_Decode(GWEN_CRYPTMGR *cm, const uint8_t *pData, uint32_t lData, GWEN_BUFFER *dbuf) {
GWEN_BUFFER *tbuf;
int rv;
tbuf=GWEN_Buffer_new(0, lData, 0, 1);
/* decrypt encrypted object */
DBG_INFO(GWEN_LOGDOMAIN, "Decrypting data");
rv=GWEN_CryptMgr_Decrypt(cm, pData, lData, tbuf);
if (rv<0) {
DBG_INFO(GWEN_LOGDOMAIN, "here (%d)", rv);
GWEN_Buffer_free(tbuf);
return rv;
}
/* verify signature, copy signed data to dbuf in the process */
DBG_INFO(GWEN_LOGDOMAIN, "Verifying data");
rv=GWEN_CryptMgr_Verify(cm,
(const uint8_t*)GWEN_Buffer_GetStart(tbuf),
GWEN_Buffer_GetUsedBytes(tbuf),
dbuf);
GWEN_Buffer_free(tbuf);
if (rv<0) {
DBG_INFO(GWEN_LOGDOMAIN, "here (%d)", rv);
return rv;
}
return 0;
}
LC_CLIENT_RESULT LC_EgkCard_ReadInsuranceData(LC_CARD *card,
LC_HI_INSURANCE_DATA **pData) {
GWEN_BUFFER *dbuf;
LC_CLIENT_RESULT res;
dbuf=GWEN_Buffer_new(0, 256, 0, 1);
res=LC_EgkCard_ReadVd(card, dbuf);
if (res!=LC_Client_ResultOk) {
DBG_INFO(LC_LOGDOMAIN, "here (%d)", res);
GWEN_Buffer_free(dbuf);
return res;
}
else {
GWEN_XMLNODE *root;
root=GWEN_XMLNode_fromString(GWEN_Buffer_GetStart(dbuf),
GWEN_Buffer_GetUsedBytes(dbuf),
GWEN_XML_FLAGS_HANDLE_HEADERS |
GWEN_XML_FLAGS_HANDLE_NAMESPACES);
if (root==NULL) {
DBG_INFO(LC_LOGDOMAIN, "Invalid XML string");
GWEN_Buffer_free(dbuf);
return LC_Client_ResultDataError;
}
GWEN_Buffer_free(dbuf);
GWEN_XMLNode_StripNamespaces(root);
res=LC_EgkCard_ParseInsuranceData(root, pData);
GWEN_XMLNode_free(root);
return res;
}
}
const char *AB_ImExporterContext_GetLog(const AB_IMEXPORTER_CONTEXT *iec) {
assert(iec);
if (GWEN_Buffer_GetUsedBytes(iec->logs))
return GWEN_Buffer_GetStart(iec->logs);
else
return NULL;
}
int GWEN_CryptMgr_Encode(GWEN_CRYPTMGR *cm, const uint8_t *pData, uint32_t lData, GWEN_BUFFER *dbuf) {
GWEN_BUFFER *tbuf;
int rv;
tbuf=GWEN_Buffer_new(0, lData, 0, 1);
/* create signed object */
DBG_INFO(GWEN_LOGDOMAIN, "Signing data");
rv=GWEN_CryptMgr_Sign(cm, pData, lData, tbuf);
if (rv<0) {
DBG_INFO(GWEN_LOGDOMAIN, "here (%d)", rv);
GWEN_Buffer_free(tbuf);
return rv;
}
/* create encrypted object (containing a signed object in this case) */
DBG_INFO(GWEN_LOGDOMAIN, "Encrypting data");
rv=GWEN_CryptMgr_Encrypt(cm,
(const uint8_t*)GWEN_Buffer_GetStart(tbuf),
GWEN_Buffer_GetUsedBytes(tbuf),
dbuf);
GWEN_Buffer_free(tbuf);
if (rv<0) {
DBG_INFO(GWEN_LOGDOMAIN, "here (%d)", rv);
return rv;
}
return 0;
}
int GWEN_Gui_CProgress_Log(GWEN_GUI_CPROGRESS *cp,
GWEN_UNUSED GWEN_LOGGER_LEVEL level,
const char *text)
{
assert(cp);
assert(text);
if (!(GWEN_Gui_GetFlags(cp->gui) & GWEN_GUI_FLAGS_NONINTERACTIVE)) {
GWEN_BUFFER *tbuf;
const char *t;
tbuf=GWEN_Buffer_new(0, 256, 0, 1);
GWEN_Gui_GetRawText(cp->gui, text, tbuf);
t=GWEN_Buffer_GetStart(tbuf);
if (t[GWEN_Buffer_GetUsedBytes(tbuf)-1]!='\n') {
GWEN_Buffer_AppendByte(tbuf, '\n');
/* Just in case the buffer has been reallocated */
t=GWEN_Buffer_GetStart(tbuf);
}
GWEN_Gui_StdPrintf(cp->gui, stderr, "%s", t);
GWEN_Buffer_AppendString(cp->logBuf, t);
GWEN_Buffer_free(tbuf);
tbuf=0;
if (cp->aborted)
return GWEN_ERROR_USER_ABORTED;
}
return 0;
}
LC_CLIENT_RESULT LC_DDVCard_CryptBlock(LC_CARD *card,
GWEN_BUFFER *ibuf,
GWEN_BUFFER *obuf){
return LC_DDVCard_CryptCharBlock(card,
GWEN_Buffer_GetStart(ibuf),
GWEN_Buffer_GetUsedBytes(ibuf),
obuf);
}
int GWEN_Padd_PaddWithIso9796_2(GWEN_BUFFER *buf, int dstSize) {
unsigned int diff;
char *p;
int i;
if ((unsigned int)dstSize<GWEN_Buffer_GetUsedBytes(buf)+12) {
/*DBG_ERROR(GWEN_LOGDOMAIN, "Buffer contains too much data");*/
return GWEN_ERROR_INVALID;
}
/* add trailer */
GWEN_Buffer_AppendByte(buf, 0xbc);
/* reset position to 0 */
GWEN_Buffer_Rewind(buf);
/* insert room for header */
diff=dstSize-GWEN_Buffer_GetUsedBytes(buf)-11+1;
if (GWEN_Buffer_InsertRoom(buf, 1+diff+1+8)) {
DBG_ERROR(GWEN_LOGDOMAIN,
"Could not insert room for %d bytes",
1+diff+1+8);
return GWEN_ERROR_GENERIC;
}
/* insert header and more-data-bit */
p=GWEN_Buffer_GetStart(buf);
*(p++)=0x60;
/* insert padding field */
for (i=0; i<diff; i++)
*(p++)=0x0;
*(p++)=0x01;
/* insert 8 random bytes */
GWEN_Crypt_Random(2, (uint8_t*)p, 8);
for (i=0; i<8; i++) {
if (*p==0)
/* TODO: Need to find a better but yet fast way */
*p=0xff;
p++;
}
return 0;
}
int GWEN_Padd_PaddWithAnsiX9_23ToMultipleOf(GWEN_BUFFER *src, int y) {
unsigned char paddLength;
unsigned int i;
paddLength=y-(GWEN_Buffer_GetUsedBytes(src) % y);
for (i=0; i<paddLength; i++)
GWEN_Buffer_AppendByte(src, paddLength);
return 0;
}
int GWEN_Padd_UnpaddWithAnsiX9_23FromMultipleOf(GWEN_BUFFER *src, int y) {
const char *p;
unsigned int lastpos;
unsigned char paddLength;
lastpos=GWEN_Buffer_GetUsedBytes(src);
if (lastpos<y) {
DBG_ERROR(GWEN_LOGDOMAIN, "Buffer too small");
return -1;
}
lastpos--;
p=GWEN_Buffer_GetStart(src)+lastpos;
paddLength=*p;
if (paddLength<1 || paddLength>y) {
DBG_ERROR(GWEN_LOGDOMAIN, "Invalid padding (%d bytes ?)", paddLength);
return -1;
}
GWEN_Buffer_Crop(src, 0, GWEN_Buffer_GetUsedBytes(src)-paddLength);
GWEN_Buffer_SetPos(src, lastpos-paddLength);
return 0;
}
int GWEN_Padd_PaddWithPkcs1Bt2(GWEN_BUFFER *buf, int dstSize) {
unsigned int diff;
char *p;
int i;
if ((unsigned int)dstSize<GWEN_Buffer_GetUsedBytes(buf)) {
DBG_ERROR(GWEN_LOGDOMAIN, "Buffer contains too much data");
return GWEN_ERROR_INVALID;
}
diff=dstSize-GWEN_Buffer_GetUsedBytes(buf);
if (diff<11) {
/* honour minimum padding length for BT 1 of 8 bytes, plus the
* leading and the trailing zero and the block type identifier */
DBG_ERROR(GWEN_LOGDOMAIN,
"Buffer contains too many bytes (diff is <11)");
return GWEN_ERROR_INVALID;
}
/* reset position to 0 */
GWEN_Buffer_Rewind(buf);
if (GWEN_Buffer_InsertRoom(buf, diff)) {
DBG_ERROR(GWEN_LOGDOMAIN, "Could not insert room for %d bytes", diff);
return GWEN_ERROR_GENERIC;
}
p=GWEN_Buffer_GetStart(buf);
*(p++)=0x00;
*(p++)=0x02; /* block type 02 */
GWEN_Crypt_Random(2, (uint8_t*)p, diff-3);
for (i=0; i<diff-3; i++) {
if (*p==0)
/* TODO: Need to find a better but yet fast way */
*p=0xff;
p++;
}
*(p++)=0x00;
return 0;
}
int AO_Provider__WrapRequest(AB_PROVIDER *pro,
AB_USER *u,
const char *mTypeName,
const char *tTypeName,
GWEN_BUFFER *buf) {
GWEN_BUFFER *tbuf;
GWEN_TIME *ti;
tbuf=GWEN_Buffer_new(0, 512, 0, 1);
/* begin: msg wrapper */
GWEN_Buffer_AppendString(tbuf, "<");
GWEN_Buffer_AppendString(tbuf, mTypeName);
GWEN_Buffer_AppendString(tbuf, "MSGSRQV1>");
/* begin: transaction wrapper */
GWEN_Buffer_AppendString(tbuf, "<");
GWEN_Buffer_AppendString(tbuf, tTypeName);
GWEN_Buffer_AppendString(tbuf, "TRNRQ>");
ti=GWEN_CurrentTime();
assert(ti);
GWEN_Buffer_AppendString(tbuf, "<TRNUID>");
if (AO_User_GetFlags(u) & AO_USER_FLAGS_SEND_SHORT_DATE)
GWEN_Time_toString(ti, "YYYYMMDDhhmmss", tbuf);
else
GWEN_Time_toString(ti, "YYYYMMDDhhmmss.000", tbuf);
GWEN_Buffer_AppendString(tbuf, "<CLTCOOKIE>1");
/* append ends of elements to original buffer */
GWEN_Buffer_AppendString(buf, "</");
GWEN_Buffer_AppendString(buf, tTypeName);
GWEN_Buffer_AppendString(buf, "TRNRQ>");
GWEN_Buffer_AppendString(buf, "</");
GWEN_Buffer_AppendString(buf, mTypeName);
GWEN_Buffer_AppendString(buf, "MSGSRQV1>");
/* go to start of buffer and insert leading elements there */
GWEN_Buffer_SetPos(buf, 0);
GWEN_Buffer_InsertBuffer(buf, tbuf);
/* point to end of buffer */
GWEN_Buffer_SetPos(buf, GWEN_Buffer_GetUsedBytes(buf));
/* cleanup */
GWEN_Time_free(ti);
GWEN_Buffer_free(tbuf);
return 0;
}
GWENHYWFAR_CB
int GWEN_CryptMgrKeys_EncryptKey(GWEN_CRYPTMGR *cm,
const uint8_t *pData, uint32_t lData,
GWEN_BUFFER *dbuf) {
GWEN_CRYPTMGR_KEYS *xcm;
int rv;
GWEN_BUFFER *tbuf;
int ksize;
uint32_t l;
assert(cm);
xcm=GWEN_INHERIT_GETDATA(GWEN_CRYPTMGR, GWEN_CRYPTMGR_KEYS, cm);
assert(xcm);
if (xcm->peerKey==NULL) {
DBG_ERROR(GWEN_LOGDOMAIN, "No peer key");
return GWEN_ERROR_GENERIC;
}
ksize=GWEN_Crypt_Key_GetKeySize(xcm->peerKey);
/* padd key data */
tbuf=GWEN_Buffer_new(0, ksize, 0, 1);
GWEN_Buffer_AppendBytes(tbuf, (const char*) pData, lData);
rv=GWEN_Padd_PaddWithIso9796_2(tbuf, ksize);
if (rv<0) {
DBG_INFO(GWEN_LOGDOMAIN, "here (%d)", rv);
GWEN_Buffer_free(tbuf);
return rv;
}
GWEN_Buffer_AllocRoom(dbuf, ksize);
l=GWEN_Buffer_GetMaxUnsegmentedWrite(dbuf);
rv=GWEN_Crypt_Key_Encipher(xcm->peerKey,
(const uint8_t*)GWEN_Buffer_GetStart(tbuf),
GWEN_Buffer_GetUsedBytes(tbuf),
(uint8_t*)GWEN_Buffer_GetPosPointer(dbuf),
&l);
GWEN_Buffer_free(tbuf);
if (rv<0) {
DBG_INFO(GWEN_LOGDOMAIN, "here (%d)", rv);
return rv;
}
GWEN_Buffer_IncrementPos(dbuf, l);
GWEN_Buffer_AdjustUsedBytes(dbuf);
return 0;
}
int HtmlGroup_Box_AddData(HTML_GROUP *g, const char *data)
{
GWEN_XML_CONTEXT *ctx;
GWEN_BUFFER *buf;
int rv;
uint8_t *s;
HTML_OBJECT *o;
assert(g);
ctx=HtmlGroup_GetXmlContext(g);
if (data && *data) {
buf=GWEN_Buffer_new(0, strlen(data), 0, 1);
rv=HtmlCtx_SanitizeData(ctx, data, buf);
if (rv<0) {
DBG_INFO(GWEN_LOGDOMAIN, "here (%d)", rv);
GWEN_Buffer_free(buf);
return rv;
}
if (GWEN_Buffer_GetUsedBytes(buf)) {
s=(uint8_t *)GWEN_Buffer_GetStart(buf);
while (*s) {
uint8_t *t;
uint8_t c;
/* find begin of word */
while (*s && isspace(*s))
s++;
/* find end of word */
t=s;
while (*t && !isspace(*t))
t++;
c=*t;
*t=0;
o=HtmlObject_Word_new(ctx, (const char *) s);
HtmlObject_SetProperties(o, HtmlGroup_GetProperties(g));
HtmlObject_Tree_AddChild(HtmlGroup_GetObject(g), o);
*t=c;
s=t;
}
}
GWEN_Buffer_free(buf);
}
return 0;
}
LC_CLIENT_RESULT LC_DDVCard_WriteInstituteData(LC_CARD *card,
int idx,
GWEN_DB_NODE *dbData){
LC_DDVCARD *ddv;
LC_CLIENT_RESULT res;
GWEN_BUFFER *buf;
assert(card);
ddv=GWEN_INHERIT_GETDATA(LC_CARD, LC_DDVCARD, card);
assert(ddv);
if (idx==0) {
DBG_ERROR(LC_LOGDOMAIN, "Invalid index 0");
return LC_Client_ResultInvalid;
}
/* select EF_BNK */
res=LC_Card_SelectEf(card, "EF_BNK");
if (res!=LC_Client_ResultOk) {
DBG_INFO(LC_LOGDOMAIN, "here");
return res;
}
/* create record data */
buf=GWEN_Buffer_new(0, 256, 0, 1);
if (LC_Card_CreateRecord(card, idx, buf, dbData)) {
DBG_ERROR(LC_LOGDOMAIN, "Error creating record %d", idx);
GWEN_Buffer_free(buf);
return LC_Client_ResultDataError;
}
GWEN_Buffer_Rewind(buf);
/* write record */
res=LC_Card_IsoUpdateRecord(card, LC_CARD_ISO_FLAGS_RECSEL_GIVEN, idx,
GWEN_Buffer_GetStart(buf),
GWEN_Buffer_GetUsedBytes(buf));
GWEN_Buffer_free(buf);
if (res!=LC_Client_ResultOk) {
DBG_INFO(LC_LOGDOMAIN, "here");
return res;
}
return LC_Client_ResultOk;
}
int GWEN_XML__ReadData(GWEN_XML_CONTEXT *ctx,
GWEN_FAST_BUFFER *fb,
GWEN_UNUSED uint32_t flags) {
int chr;
unsigned char uc;
GWEN_BUFFER *dbuf;
dbuf=GWEN_Buffer_new(0, 256, 0, 1);
for (;;) {
GWEN_FASTBUFFER_PEEKBYTE(fb, chr);
if (chr<0) {
if (chr==GWEN_ERROR_EOF)
break;
else {
GWEN_Buffer_free(dbuf);
return chr;
}
}
uc=(unsigned char) chr;
if (uc=='<')
break;
fb->bufferReadPos++;
GWEN_Buffer_AppendByte(dbuf, uc);
}
if (GWEN_Buffer_GetUsedBytes(dbuf)) {
int rv;
const char *s;
s=GWEN_Buffer_GetStart(dbuf);
if (*s) {
rv=GWEN_XmlCtx_AddData(ctx, s);
if (rv) {
GWEN_Buffer_free(dbuf);
return rv;
}
}
}
GWEN_Buffer_free(dbuf);
return 0;
}
int AO_Provider__WrapMessage(AB_PROVIDER *pro,
AB_USER *u,
GWEN_BUFFER *buf) {
GWEN_BUFFER *tbuf;
int rv;
tbuf=GWEN_Buffer_new(0, 1024, 0, 1);
/* add headers and "<OFX>" */
rv=AO_Provider__AddHeaders(pro, u, tbuf);
if (rv<0) {
DBG_ERROR(AQOFXCONNECT_LOGDOMAIN,
"Error adding headers (%d)", rv);
GWEN_Buffer_free(tbuf);
return rv;
}
GWEN_Buffer_AppendString(tbuf, "<OFX>");
rv=AO_Provider__AddSignOn(pro, u, tbuf);
if (rv<0) {
DBG_ERROR(AQOFXCONNECT_LOGDOMAIN,
"Error adding signon element (%d)", rv);
GWEN_Buffer_free(tbuf);
return rv;
}
/* append end of OFX element to original buffer */
GWEN_Buffer_AppendString(buf, "</OFX>");
/* go to start of buffer and insert leading elements there */
GWEN_Buffer_SetPos(buf, 0);
GWEN_Buffer_InsertBuffer(buf, tbuf);
/* point to end of buffer */
GWEN_Buffer_SetPos(buf, GWEN_Buffer_GetUsedBytes(buf));
/* cleanup */
GWEN_Buffer_free(tbuf);
return 0;
}
int AIO_OfxXmlCtx_SanitizeData(GWEN_XML_CONTEXT *ctx,
const char *data,
GWEN_BUFFER *buf) {
AIO_OFX_XMLCTX *xctx;
assert(ctx);
xctx=GWEN_INHERIT_GETDATA(GWEN_XML_CONTEXT, AIO_OFX_XMLCTX, ctx);
assert(xctx);
if (xctx->charset) {
GWEN_BUFFER *tbuf;
int rv;
tbuf=GWEN_Buffer_new(0, 256, 0, 1);
rv=AIO_OfxXmlCtx_CleanupData(ctx, data, tbuf);
if (rv<0) {
DBG_INFO(AQBANKING_LOGDOMAIN, "here (%d)", rv);
GWEN_Buffer_free(tbuf);
return rv;
}
rv=GWEN_Text_ConvertCharset(xctx->charset, "UTF-8",
GWEN_Buffer_GetStart(tbuf),
GWEN_Buffer_GetUsedBytes(tbuf),
buf);
if (rv<0) {
DBG_INFO(AQBANKING_LOGDOMAIN, "here (%d)", rv);
GWEN_Buffer_free(tbuf);
return rv;
}
GWEN_Buffer_free(tbuf);
return 0;
}
else
return AIO_OfxXmlCtx_CleanupData(ctx, data, buf);
}
void GWEN_DBIO__XmlDb_ReadDataTags(GWEN_XMLNODE *node, GWEN_BUFFER *buf) {
GWEN_XMLNODE *ndata;
GWEN_BUFFER *tbuf;
int rv;
tbuf=GWEN_Buffer_new(0, 256, 0, 1);
ndata=GWEN_XMLNode_GetFirstData(node);
while(ndata) {
const char *s;
s=GWEN_XMLNode_GetData(ndata);
if (s) {
if (GWEN_Buffer_GetUsedBytes(tbuf))
GWEN_Buffer_AppendByte(tbuf, ' ');
GWEN_Buffer_AppendString(tbuf, s);
}
ndata=GWEN_XMLNode_GetNextData(node);
}
rv=GWEN_Text_UnescapeXmlToBuffer(GWEN_Buffer_GetStart(tbuf), buf);
if (rv<0) {
DBG_INFO(GWEN_LOGDOMAIN, "here (%d)", rv);
}
GWEN_Buffer_free(tbuf);
}
int EBC_Provider_XchgHpdRequest(AB_PROVIDER *pro,
GWEN_HTTP_SESSION *sess,
AB_USER *u) {
int rv;
GWEN_BUFFER *buf;
buf=GWEN_Buffer_new(0, 1024, 0, 1);
rv=EBC_Provider_XchgDownloadRequest(pro, sess, u, "HPD", buf, 0, NULL, NULL);
if (rv<0 || rv>=300) {
DBG_INFO(AQEBICS_LOGDOMAIN, "here (%d)", rv);
GWEN_Buffer_free(buf);
return rv;
}
else {
xmlDocPtr orderDoc=NULL;
xmlNodePtr root_node=NULL;
xmlNodePtr node=NULL;
xmlNodePtr nodeX=NULL;
const char *s;
uint32_t uflags=0;
/* parse XML document */
rv=EB_Xml_DocFromBuffer(GWEN_Buffer_GetStart(buf),
GWEN_Buffer_GetUsedBytes(buf),
&orderDoc);
GWEN_Buffer_free(buf);
if (rv<0) {
DBG_INFO(AQEBICS_LOGDOMAIN, "here (%d)", rv);
return rv;
}
/* get keys */
root_node=xmlDocGetRootElement(orderDoc);
/* get auth key */
node=EB_Xml_GetNode(root_node, "ProtocolParams",
GWEN_PATH_FLAGS_NAMEMUSTEXIST);
if (node==NULL) {
DBG_ERROR(AQEBICS_LOGDOMAIN,
"No ProtocolParams found");
xmlFreeDoc(orderDoc);
return GWEN_ERROR_BAD_DATA;
}
nodeX=EB_Xml_GetNode(node, "ClientDataDownload",
GWEN_PATH_FLAGS_NAMEMUSTEXIST);
if (nodeX) {
s=(const char*)xmlGetProp(nodeX, BAD_CAST "supported");
if (s && strcasecmp(s, "true")==0) {
DBG_INFO(AQEBICS_LOGDOMAIN, "Client data download supported");
uflags|=EBC_USER_FLAGS_CLIENT_DATA_DOWNLOAD_SPP;
}
}
nodeX=EB_Xml_GetNode(node, "PreValidation",
GWEN_PATH_FLAGS_NAMEMUSTEXIST);
if (nodeX) {
s=(const char*)xmlGetProp(nodeX, BAD_CAST "supported");
if (s && strcasecmp(s, "true")==0) {
DBG_INFO(AQEBICS_LOGDOMAIN, "Prevalidation supported");
uflags|=EBC_USER_FLAGS_PREVALIDATION_SPP;
}
}
nodeX=EB_Xml_GetNode(node, "Recovery",
GWEN_PATH_FLAGS_NAMEMUSTEXIST);
if (nodeX) {
s=(const char*)xmlGetProp(nodeX, BAD_CAST "supported");
if (s && strcasecmp(s, "true")==0) {
DBG_INFO(AQEBICS_LOGDOMAIN, "Recovery supported");
uflags|=EBC_USER_FLAGS_RECOVERY_SPP;
}
}
EBC_User_AddFlags(u, uflags);
xmlFreeDoc(orderDoc);
return 0;
}
}
int addUser(AB_PROVIDER *pro,
GWEN_DB_NODE *dbArgs,
int argc,
char **argv)
{
GWEN_DB_NODE *db;
int rv;
GWEN_BUFFER *nameBuffer=NULL;
const char *tokenName;
const char *tokenType;
const char *bankId;
const char *userId;
const char *customerId;
const char *userName;
const char *hostName;
const char *server;
const char *ebicsVersion;
int importing;
uint32_t cid;
const GWEN_ARGS args[]= {
{
GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
GWEN_ArgsType_Char, /* type */
"bankId", /* name */
0, /* minnum */
1, /* maxnum */
"b", /* short option */
"bank", /* long option */
"Specify the bank code", /* short description */
"Specify the bank code" /* long description */
},
{
GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
GWEN_ArgsType_Char, /* type */
"userId", /* name */
0, /* minnum */
1, /* maxnum */
"u", /* short option */
"user", /* long option */
"Specify the user id (Benutzerkennung)", /* short description */
"Specify the user id (Benutzerkennung)" /* long description */
},
{
GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
GWEN_ArgsType_Char, /* type */
"customerId", /* name */
0, /* minnum */
1, /* maxnum */
"c", /* short option */
"customer", /* long option */
"Specify the customer id (Kundennummer)", /* short description */
"Specify the customer id (Kundennummer)" /* long description */
},
{
GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
GWEN_ArgsType_Char, /* type */
"tokenType", /* name */
1, /* minnum */
1, /* maxnum */
"t", /* short option */
"tokentype", /* long option */
"Specify the crypt token type", /* short description */
"Specify the crypt token type" /* long description */
},
{
GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
GWEN_ArgsType_Char, /* type */
"tokenName", /* name */
0, /* minnum */
1, /* maxnum */
"n", /* short option */
"tokenname", /* long option */
"Specify the crypt token name", /* short description */
"Specify the crypt token name" /* long description */
},
{
GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
GWEN_ArgsType_Char, /* type */
"serverAddr", /* name */
0, /* minnum */
1, /* maxnum */
"s", /* short option */
"server", /* long option */
"Specify the server URL", /* short description */
"Specify the server URL" /* long description */
},
{
GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
GWEN_ArgsType_Char, /* type */
"hostName", /* name */
1, /* minnum */
1, /* maxnum */
"H", /* short option */
"hostname", /* long option */
"Specify the EBICS hostname", /* short description */
"Specify the EBICS hostname" /* long description */
},
{
GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
GWEN_ArgsType_Char, /* type */
"userName", /* name */
1, /* minnum */
1, /* maxnum */
"N", /* short option */
"username", /* long option */
"Specify the realname of the user", /* short description */
"Specify the realname of the user" /* long description */
},
{
GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
GWEN_ArgsType_Char, /* type */
"ebicsVersion", /* name */
0, /* minnum */
1, /* maxnum */
"E", /* short option */
"ebicsversion", /* long option */
"Specify the EBICS version to use (e.g. H002)", /* short description */
"Specify the EBICS version to use (e.g. H002)" /* long description */
},
{
GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
GWEN_ArgsType_Int, /* type */
"context", /* name */
0, /* minnum */
1, /* maxnum */
0, /* short option */
"context", /* long option */
"Select a context on the medium", /* short description */
"Select a context on the medium" /* long description */
},
{
0, /* flags */
GWEN_ArgsType_Int, /* type */
"import", /* name */
0, /* minnum */
1, /* maxnum */
0, /* short option */
"import", /* long option */
"Import a user which has already been in use (e.g. with previous versions)",
"Import a user which has already been in use (e.g. with previous versions)"
},
{
GWEN_ARGS_FLAGS_HELP | GWEN_ARGS_FLAGS_LAST, /* flags */
GWEN_ArgsType_Int, /* type */
"help", /* name */
0, /* minnum */
0, /* maxnum */
"h", /* short option */
"help", /* long option */
"Show this help screen", /* short description */
"Show this help screen" /* long description */
}
};
db=GWEN_DB_GetGroup(dbArgs, GWEN_DB_FLAGS_DEFAULT, "local");
rv=GWEN_Args_Check(argc, argv, 1,
0 /*GWEN_ARGS_MODE_ALLOW_FREEPARAM*/,
args,
db);
if (rv==GWEN_ARGS_RESULT_ERROR) {
fprintf(stderr, "ERROR: Could not parse arguments\n");
return 1;
}
else if (rv==GWEN_ARGS_RESULT_HELP) {
GWEN_BUFFER *ubuf;
ubuf=GWEN_Buffer_new(0, 1024, 0, 1);
if (GWEN_Args_Usage(args, ubuf, GWEN_ArgsOutType_Txt)) {
fprintf(stderr, "ERROR: Could not create help string\n");
return 1;
}
fprintf(stdout, "%s\n", GWEN_Buffer_GetStart(ubuf));
GWEN_Buffer_free(ubuf);
return 0;
}
tokenType=GWEN_DB_GetCharValue(db, "tokenType", 0, 0);
tokenName=GWEN_DB_GetCharValue(db, "tokenName", 0, 0);
bankId=GWEN_DB_GetCharValue(db, "bankId", 0, 0);
userId=GWEN_DB_GetCharValue(db, "userId", 0, 0);
customerId=GWEN_DB_GetCharValue(db, "customerId", 0, 0);
hostName=GWEN_DB_GetCharValue(db, "hostName", 0, 0);
userName=GWEN_DB_GetCharValue(db, "userName", 0, 0);
server=GWEN_DB_GetCharValue(db, "serverAddr", 0, 0);
cid=GWEN_DB_GetIntValue(db, "context", 0, 0);
importing=GWEN_DB_GetIntValue(db, "import", 0, 0);
ebicsVersion=GWEN_DB_GetCharValue(db, "ebicsVersion", 0, "H003");
if (1) {
const char *lbankId;
const char *luserId;
const char *lcustomerId;
const char *lserverAddr;
GWEN_URL *url;
GWEN_CRYPT_TOKEN_CONTEXT *ctx=NULL;
AB_USER *user;
if (1) {
GWEN_PLUGIN_MANAGER *pm;
GWEN_PLUGIN *pl;
GWEN_CRYPT_TOKEN *ct;
const GWEN_CRYPT_TOKEN_CONTEXT *cctx;
if (cid==0) {
DBG_ERROR(0, "No context given.");
return 1;
}
/* get crypt token */
pm=GWEN_PluginManager_FindPluginManager("ct");
if (pm==0) {
DBG_ERROR(0, "Plugin manager not found");
return 3;
}
pl=GWEN_PluginManager_GetPlugin(pm, tokenType);
if (pl==0) {
DBG_ERROR(0, "Plugin not found");
return 3;
}
DBG_INFO(0, "Plugin found");
ct=GWEN_Crypt_Token_Plugin_CreateToken(pl, tokenName);
if (ct==0) {
DBG_ERROR(0, "Could not create crypt token");
return 3;
}
/* open crypt token */
rv=GWEN_Crypt_Token_Open(ct, 0, 0);
if (rv) {
DBG_ERROR(0, "Could not open token (%d)", rv);
return 3;
}
/* get real token name */
nameBuffer=GWEN_Buffer_new(0, 64, 0, 1);
GWEN_Buffer_AppendString(nameBuffer, GWEN_Crypt_Token_GetTokenName(ct));
tokenName=GWEN_Buffer_GetStart(nameBuffer);
cctx=GWEN_Crypt_Token_GetContext(ct, cid, 0);
if (cctx==NULL) {
DBG_ERROR(0, "Context %02x not found", cid);
return 3;
}
ctx=GWEN_Crypt_Token_Context_dup(cctx);
lbankId=bankId?bankId:GWEN_Crypt_Token_Context_GetServiceId(ctx);
luserId=userId?userId:GWEN_Crypt_Token_Context_GetUserId(ctx);
lcustomerId=customerId?customerId:luserId;
lserverAddr=server?server:GWEN_Crypt_Token_Context_GetAddress(ctx);
rv=GWEN_Crypt_Token_Close(ct, 0, 0);
if (rv) {
DBG_ERROR(0, "Could not close token (%d)", rv);
return 3;
}
GWEN_Crypt_Token_free(ct);
}
if (!lbankId || !*lbankId) {
DBG_ERROR(0, "No bank id stored and none given");
return 3;
}
if (!luserId || !*luserId) {
DBG_ERROR(0, "No user id (Benutzerkennung) stored and none given");
return 3;
}
/* TODO: Check for existing users to avoid duplicates */
#if 0
user=AB_Banking_FindUser(ab, EBC_PROVIDER_NAME,
"de",
lbankId, luserId, lcustomerId);
if (user) {
DBG_ERROR(0, "User %s already exists", luserId);
return 3;
}
#endif
user=AB_Provider_CreateUserObject(pro);
assert(user);
AB_User_SetCountry(user, "de");
AB_User_SetBankCode(user, lbankId);
AB_User_SetUserId(user, luserId);
AB_User_SetCustomerId(user, lcustomerId);
EBC_User_SetPeerId(user, hostName);
AB_User_SetUserName(user, userName);
EBC_User_SetTokenType(user, tokenType);
EBC_User_SetTokenName(user, tokenName);
EBC_User_SetTokenContextId(user, cid);
if (ebicsVersion) {
if (strcasecmp(ebicsVersion, "H002")==0) {
EBC_User_SetProtoVersion(user, "H002");
EBC_User_SetSignVersion(user, "A004");
EBC_User_SetAuthVersion(user, "X001");
EBC_User_SetCryptVersion(user, "E001");
}
else if (strcasecmp(ebicsVersion, "H003")==0) {
EBC_User_SetProtoVersion(user, "H003");
EBC_User_SetSignVersion(user, "A005");
EBC_User_SetAuthVersion(user, "X002");
EBC_User_SetCryptVersion(user, "E002");
}
else if (strcasecmp(ebicsVersion, "H004")==0) {
EBC_User_SetProtoVersion(user, "H004");
EBC_User_SetSignVersion(user, "A005");
EBC_User_SetAuthVersion(user, "X002");
EBC_User_SetCryptVersion(user, "E002");
}
else {
fprintf(stderr, "%s",
I18N("Invalid protocol version.\n"
"Possible versions are H002, H003 and H004.\n"));
return 3;
}
}
/* try to get server address from database if still unknown */
if (!lserverAddr || *lserverAddr==0) {
GWEN_BUFFER *tbuf;
tbuf=GWEN_Buffer_new(0, 256, 0, 1);
if (getBankUrl(AB_Provider_GetBanking(pro), lbankId, tbuf)) {
DBG_INFO(0, "Could not find server address for \"%s\"", lbankId);
}
if (GWEN_Buffer_GetUsedBytes(tbuf)==0) {
DBG_ERROR(0, "No address given and none available in internal db");
return 3;
}
url=GWEN_Url_fromString(GWEN_Buffer_GetStart(tbuf));
if (url==NULL) {
DBG_ERROR(0, "Bad URL \"%s\" in internal db",
GWEN_Buffer_GetStart(tbuf));
return 3;
}
GWEN_Buffer_free(tbuf);
}
else {
/* set address */
url=GWEN_Url_fromString(lserverAddr);
if (url==NULL) {
DBG_ERROR(0, "Bad URL \"%s\"", lserverAddr);
return 3;
}
}
GWEN_Url_SetProtocol(url, "https");
if (GWEN_Url_GetPort(url)==0)
GWEN_Url_SetPort(url, 443);
/* set url */
if (1) {
GWEN_BUFFER *tbuf;
tbuf=GWEN_Buffer_new(0, 256, 0, 1);
rv=GWEN_Url_toString(url, tbuf);
if (rv<0) {
DBG_ERROR(0, "Internal error storing URL");
return 3;
}
EBC_User_SetServerUrl(user, GWEN_Buffer_GetStart(tbuf));
GWEN_Buffer_free(tbuf);
}
GWEN_Url_free(url);
if (importing) {
EBC_User_AddFlags(user, EBC_USER_FLAGS_INI | EBC_USER_FLAGS_HIA);
EBC_User_SetStatus(user, EBC_UserStatus_Enabled);
}
rv=AB_Provider_AddUser(pro, user);
if (rv<0) {
DBG_ERROR(AQEBICS_LOGDOMAIN, "Coud not add new user (%d)", rv);
AB_User_free(user);
return 4;
}
AB_User_free(user);
/* context no longer needed */
GWEN_Crypt_Token_Context_free(ctx);
}
return 0;
}
LC_CLIENT_RESULT LC_ZkaCard_Reopen(LC_CARD *card) {
LC_CLIENT_RESULT res;
LC_ZKACARD *xc;
GWEN_BUFFER *mbuf;
DBG_INFO(LC_LOGDOMAIN, "Opening ZkaCard card");
assert(card);
xc=GWEN_INHERIT_GETDATA(LC_CARD, LC_ZKACARD, card);
assert(xc);
LC_Card_SetLastResult(card, 0, 0, 0, 0);
GWEN_Buffer_free(xc->bin_ef_gd_0);
xc->bin_ef_gd_0=NULL;
GWEN_Buffer_free(xc->bin_ef_id);
xc->bin_ef_id=NULL;
GWEN_Buffer_free(xc->bin_ef_ssd);
xc->bin_ef_ssd=NULL;
res=LC_Card_SelectCard(card, "zkacard");
if (res!=LC_Client_ResultOk) {
DBG_INFO(LC_LOGDOMAIN, "here");
return res;
}
/* first select generic app for all ZKACARD HBCI cards */
res=LC_Card_SelectApp(card, "zkacard");
if (res!=LC_Client_ResultOk) {
DBG_INFO(LC_LOGDOMAIN, "here");
return res;
}
DBG_INFO(LC_LOGDOMAIN, "Selecting MF...");
res=LC_Card_SelectMf(card);
if (res!=LC_Client_ResultOk) {
DBG_INFO(LC_LOGDOMAIN, "here");
return res;
}
/* read EF_ID */
DBG_INFO(LC_LOGDOMAIN, "Selecting EF_ID...");
res=LC_Card_SelectEf(card, "EF_ID");
if (res!=LC_Client_ResultOk) {
DBG_INFO(LC_LOGDOMAIN, "here");
return res;
}
DBG_INFO(LC_LOGDOMAIN, "Reading record...");
mbuf=GWEN_Buffer_new(0, 32, 0, 1);
res=LC_Card_IsoReadRecord(card, LC_CARD_ISO_FLAGS_RECSEL_GIVEN, 1, mbuf);
if (res!=LC_Client_ResultOk) {
DBG_INFO(LC_LOGDOMAIN, "here");
GWEN_Buffer_free(mbuf);
return res;
}
xc->bin_ef_id=mbuf;
/* read EG_GD0 */
DBG_INFO(LC_LOGDOMAIN, "Selecting EF_GD0...");
res=LC_Card_SelectEf(card, "EF_GD0");
if (res!=LC_Client_ResultOk) {
DBG_INFO(LC_LOGDOMAIN, "here");
return res;
}
DBG_INFO(LC_LOGDOMAIN, "Reading data...");
mbuf=GWEN_Buffer_new(0, 16, 0, 1);
res=LC_Card_IsoReadBinary(card, 0, 0, 12, mbuf);
if (res!=LC_Client_ResultOk) {
DBG_INFO(LC_LOGDOMAIN, "here");
GWEN_Buffer_free(mbuf);
return res;
}
if (GWEN_Buffer_GetUsedBytes(mbuf)<12) {
DBG_INFO(LC_LOGDOMAIN, "here");
GWEN_Buffer_free(mbuf);
return LC_Client_ResultDataError;
}
xc->bin_ef_gd_0=mbuf;
/* select DF_SIG */
DBG_INFO(LC_LOGDOMAIN, "Selecting DF_SIG...");
res=LC_Card_SelectDf(card, "DF_SIG");
if (res!=LC_Client_ResultOk) {
DBG_INFO(LC_LOGDOMAIN, "here");
return res;
}
/* read EG_SSD */
DBG_INFO(LC_LOGDOMAIN, "Selecting EF_SSD...");
res=LC_Card_SelectEf(card, "EF_SSD");
if (res!=LC_Client_ResultOk) {
DBG_INFO(LC_LOGDOMAIN, "here");
return res;
}
DBG_INFO(LC_LOGDOMAIN, "Reading data...");
mbuf=GWEN_Buffer_new(0, 16, 0, 1);
res=LC_Card_ReadBinary(card, 0, 65535, mbuf);
if (res!=LC_Client_ResultOk) {
DBG_INFO(LC_LOGDOMAIN, "here (%d)", res);
GWEN_Buffer_free(mbuf);
return res;
}
xc->bin_ef_ssd=mbuf;
return LC_Client_ResultOk;
}
GWENHYWFAR_CB
int GWEN_CryptMgrKeys_VerifyData(GWEN_CRYPTMGR *cm,
const uint8_t *pData, uint32_t lData,
const uint8_t *pSignature, uint32_t lSignature) {
GWEN_CRYPTMGR_KEYS *xcm;
GWEN_MDIGEST *md;
int rv;
GWEN_BUFFER *tbuf;
int ksize;
uint32_t l;
assert(cm);
xcm=GWEN_INHERIT_GETDATA(GWEN_CRYPTMGR, GWEN_CRYPTMGR_KEYS, cm);
assert(xcm);
if (xcm->peerKey==NULL) {
DBG_ERROR(GWEN_LOGDOMAIN, "No peer key");
return GWEN_ERROR_GENERIC;
}
ksize=GWEN_Crypt_Key_GetKeySize(xcm->peerKey);
/* the padding algo uses random numbers, so we must use the encrypt function and
* compare the decoded and unpadded signature with the hash of the source data
*/
tbuf=GWEN_Buffer_new(0, ksize+16, 0, 1);
l=GWEN_Buffer_GetMaxUnsegmentedWrite(tbuf);
rv=GWEN_Crypt_Key_Encipher(xcm->peerKey,
pSignature, lSignature,
(uint8_t*)GWEN_Buffer_GetPosPointer(tbuf),
&l);
if (rv<0) {
DBG_INFO(GWEN_LOGDOMAIN, "here (%d)", rv);
GWEN_Buffer_free(tbuf);
return rv;
}
GWEN_Buffer_IncrementPos(tbuf, l);
GWEN_Buffer_AdjustUsedBytes(tbuf);
/* unpadd */
rv=GWEN_Padd_UnpaddWithIso9796_2(tbuf);
if (rv<0) {
DBG_INFO(GWEN_LOGDOMAIN, "here (%d)", rv);
GWEN_Buffer_free(tbuf);
return rv;
}
/* tbuf now contains the hash */
/* hash source data */
md=GWEN_MDigest_Rmd160_new();
rv=GWEN_MDigest_Begin(md);
if (rv<0) {
DBG_INFO(GWEN_LOGDOMAIN, "here (%d)", rv);
GWEN_MDigest_free(md);
GWEN_Buffer_free(tbuf);
return rv;
}
rv=GWEN_MDigest_Update(md, pData, lData);
if (rv<0) {
DBG_INFO(GWEN_LOGDOMAIN, "here (%d)", rv);
GWEN_MDigest_free(md);
GWEN_Buffer_free(tbuf);
return rv;
}
rv=GWEN_MDigest_End(md);
if (rv<0) {
DBG_INFO(GWEN_LOGDOMAIN, "here (%d)", rv);
GWEN_MDigest_free(md);
GWEN_Buffer_free(tbuf);
return rv;
}
if (GWEN_MDigest_GetDigestSize(md)!=GWEN_Buffer_GetUsedBytes(tbuf)) {
DBG_ERROR(GWEN_LOGDOMAIN, "Invalid signature");
GWEN_MDigest_free(md);
GWEN_Buffer_free(tbuf);
return GWEN_ERROR_VERIFY;
}
if (memcmp(GWEN_MDigest_GetDigestPtr(md),
GWEN_Buffer_GetStart(tbuf),
GWEN_MDigest_GetDigestSize(md))!=0) {
DBG_ERROR(GWEN_LOGDOMAIN, "Invalid signature");
GWEN_MDigest_free(md);
GWEN_Buffer_free(tbuf);
return GWEN_ERROR_VERIFY;
}
GWEN_MDigest_free(md);
GWEN_Buffer_free(tbuf);
return 0;
}
GWENHYWFAR_CB
int GWEN_CryptMgrKeys_SignData(GWEN_CRYPTMGR *cm,
const uint8_t *pData, uint32_t lData,
GWEN_BUFFER *dbuf) {
GWEN_CRYPTMGR_KEYS *xcm;
GWEN_MDIGEST *md;
int rv;
GWEN_BUFFER *tbuf;
int ksize;
uint32_t signatureLen;
assert(cm);
xcm=GWEN_INHERIT_GETDATA(GWEN_CRYPTMGR, GWEN_CRYPTMGR_KEYS, cm);
assert(xcm);
if (xcm->localKey==NULL) {
DBG_ERROR(GWEN_LOGDOMAIN, "No local key");
return GWEN_ERROR_GENERIC;
}
ksize=GWEN_Crypt_Key_GetKeySize(xcm->localKey);
/* hash pData */
md=GWEN_MDigest_Rmd160_new();
rv=GWEN_MDigest_Begin(md);
if (rv<0) {
DBG_INFO(GWEN_LOGDOMAIN, "here (%d)", rv);
GWEN_MDigest_free(md);
return rv;
}
rv=GWEN_MDigest_Update(md, pData, lData);
if (rv<0) {
DBG_INFO(GWEN_LOGDOMAIN, "here (%d)", rv);
GWEN_MDigest_free(md);
return rv;
}
rv=GWEN_MDigest_End(md);
if (rv<0) {
DBG_INFO(GWEN_LOGDOMAIN, "here (%d)", rv);
GWEN_MDigest_free(md);
return rv;
}
/* padd */
tbuf=GWEN_Buffer_new(0, ksize, 0, 1);
GWEN_Buffer_AppendBytes(tbuf,
(const char*)GWEN_MDigest_GetDigestPtr(md),
GWEN_MDigest_GetDigestSize(md));
GWEN_MDigest_free(md);
GWEN_Padd_PaddWithIso9796_2(tbuf, ksize);
/* sign */
GWEN_Buffer_AllocRoom(dbuf, ksize);
signatureLen=GWEN_Buffer_GetMaxUnsegmentedWrite(dbuf);
rv=GWEN_Crypt_Key_Sign(xcm->localKey,
(uint8_t*)GWEN_Buffer_GetStart(tbuf),
GWEN_Buffer_GetUsedBytes(tbuf),
(uint8_t*)GWEN_Buffer_GetPosPointer(dbuf),
&signatureLen);
GWEN_Buffer_free(tbuf);
if (rv<0) {
DBG_INFO(GWEN_LOGDOMAIN, "here (%d)", rv);
return rv;
}
GWEN_Buffer_IncrementPos(dbuf, signatureLen);
GWEN_Buffer_AdjustUsedBytes(dbuf);
return 0;
}
int AH_Msg_EncryptPinTan(AH_MSG *hmsg) {
AH_HBCI *h;
GWEN_XMLNODE *node;
GWEN_DB_NODE *cfg;
GWEN_BUFFER *hbuf;
int rv;
const char *p;
GWEN_MSGENGINE *e;
AB_USER *u;
const char *peerId;
// uint32_t uFlags;
assert(hmsg);
h=AH_Dialog_GetHbci(hmsg->dialog);
assert(h);
e=AH_Dialog_GetMsgEngine(hmsg->dialog);
assert(e);
GWEN_MsgEngine_SetMode(e, "pintan");
u=AH_Dialog_GetDialogOwner(hmsg->dialog);
// uFlags=AH_User_GetFlags(u);
peerId=AH_User_GetPeerId(u);
if (!peerId || *peerId==0)
peerId=AB_User_GetUserId(u);
/* create crypt head */
node=GWEN_MsgEngine_FindNodeByPropertyStrictProto(e,
"SEG",
"id",
0,
"CryptHead");
if (!node) {
DBG_INFO(AQHBCI_LOGDOMAIN, "Segment \"CryptHead\" not found");
return GWEN_ERROR_INTERNAL;
}
/* create CryptHead */
cfg=GWEN_DB_Group_new("crypthead");
GWEN_DB_SetIntValue(cfg, GWEN_DB_FLAGS_DEFAULT,
"head/seq", 998);
rv=AH_MsgPinTan_PrepareCryptoSeg(hmsg, u, cfg, 1, 0);
if (rv) {
DBG_INFO(AQHBCI_LOGDOMAIN, "here (%d)", rv);
GWEN_DB_Group_free(cfg);
return rv;
}
/* store system id */
p=NULL;
if (!hmsg->noSysId)
p=AH_User_GetSystemId(u);
if (!p)
p="0";
GWEN_DB_SetCharValue(cfg, GWEN_DB_FLAGS_DEFAULT, "SecDetails/SecId", p);
/* store encrypted message key */
GWEN_DB_SetBinValue(cfg, GWEN_DB_FLAGS_DEFAULT,
"CryptAlgo/MsgKey",
"NOKEY", 5);
hbuf=GWEN_Buffer_new(0, 256+GWEN_Buffer_GetUsedBytes(hmsg->buffer), 0, 1);
rv=GWEN_MsgEngine_CreateMessageFromNode(e,
node,
hbuf,
cfg);
if (rv) {
DBG_INFO(AQHBCI_LOGDOMAIN, "Could not create CryptHead (%d)", rv);
GWEN_Buffer_free(hbuf);
GWEN_DB_Group_free(cfg);
return rv;
}
GWEN_DB_Group_free(cfg);
/* create cryptdata */
cfg=GWEN_DB_Group_new("cryptdata");
GWEN_DB_SetIntValue(cfg, GWEN_DB_FLAGS_DEFAULT,
"head/seq", 999);
GWEN_DB_SetBinValue(cfg, GWEN_DB_FLAGS_DEFAULT,
"cryptdata",
GWEN_Buffer_GetStart(hmsg->buffer),
GWEN_Buffer_GetUsedBytes(hmsg->buffer));
node=GWEN_MsgEngine_FindNodeByPropertyStrictProto(e,
"SEG",
"id",
0,
"CryptData");
if (!node) {
DBG_INFO(AQHBCI_LOGDOMAIN, "Segment \"CryptData\"not found");
GWEN_Buffer_free(hbuf);
GWEN_DB_Group_free(cfg);
return -1;
}
rv=GWEN_MsgEngine_CreateMessageFromNode(e,
node,
hbuf,
cfg);
if (rv) {
DBG_INFO(AQHBCI_LOGDOMAIN, "Could not create CryptData (%d)", rv);
GWEN_Buffer_free(hbuf);
GWEN_DB_Group_free(cfg);
return rv;
}
/* replace existing buffer by encrypted one */
GWEN_Buffer_free(hmsg->buffer);
hmsg->buffer=hbuf;
GWEN_DB_Group_free(cfg);
return 0;
}
int AH_Msg_SignPinTan(AH_MSG *hmsg,
GWEN_BUFFER *rawBuf,
const char *signer) {
AH_HBCI *h;
GWEN_XMLNODE *node;
GWEN_DB_NODE *cfg;
GWEN_BUFFER *hbuf;
int rv;
char ctrlref[15];
const char *p;
GWEN_MSGENGINE *e;
AB_USER *su;
uint32_t uFlags;
char pin[64];
uint32_t tm;
assert(hmsg);
h=AH_Dialog_GetHbci(hmsg->dialog);
assert(h);
e=AH_Dialog_GetMsgEngine(hmsg->dialog);
assert(e);
GWEN_MsgEngine_SetMode(e, "pintan");
su=AB_Banking_FindUser(AH_HBCI_GetBankingApi(h),
AH_PROVIDER_NAME,
"de", "*",
signer, "*");
if (!su) {
DBG_ERROR(AQHBCI_LOGDOMAIN,
"Unknown user \"%s\"",
signer);
return GWEN_ERROR_NOT_FOUND;
}
uFlags=AH_User_GetFlags(su);
node=GWEN_MsgEngine_FindNodeByPropertyStrictProto(e,
"SEG",
"id",
0,
"SigHead");
if (!node) {
DBG_INFO(AQHBCI_LOGDOMAIN, "Segment \"SigHead\" not found");
return GWEN_ERROR_INTERNAL;
}
/* for iTAN mode: set selected mode (Sicherheitsfunktion, kodiert) */
tm=AH_Msg_GetItanMethod(hmsg);
if (tm==0) {
tm=AH_Dialog_GetItanMethod(hmsg->dialog);
if (tm)
/* this is needed by AH_MsgPinTan_PrepareCryptoSeg */
AH_Msg_SetItanMethod(hmsg, tm);
}
/* prepare config for segment */
cfg=GWEN_DB_Group_new("sighead");
rv=AH_MsgPinTan_PrepareCryptoSeg(hmsg, su, cfg, 0, 1);
if (rv) {
DBG_INFO(AQHBCI_LOGDOMAIN, "here (%d)", rv);
GWEN_DB_Group_free(cfg);
return rv;
}
/* set expected signer */
if (!(uFlags & AH_USER_FLAGS_BANK_DOESNT_SIGN)) {
const char *remoteId;
remoteId=AH_User_GetPeerId(su);
if (!remoteId || *remoteId==0)
remoteId=AB_User_GetUserId(su);
assert(remoteId);
assert(*remoteId);
DBG_DEBUG(AQHBCI_LOGDOMAIN,
"Expecting \"%s\" to sign the response",
remoteId);
AH_Msg_SetExpectedSigner(hmsg, remoteId);
}
/* store system id */
p=NULL;
if (!hmsg->noSysId)
p=AH_User_GetSystemId(su);
if (!p)
p="0";
GWEN_DB_SetCharValue(cfg, GWEN_DB_FLAGS_DEFAULT, "SecDetails/SecId", p);
if (tm) {
GWEN_DB_SetIntValue(cfg, GWEN_DB_FLAGS_DEFAULT,
"function", tm);
}
/* retrieve control reference for sigtail (to be used later) */
p=GWEN_DB_GetCharValue(cfg, "ctrlref", 0, "");
if (strlen(p)>=sizeof(ctrlref)) {
DBG_INFO(AQHBCI_LOGDOMAIN,
"Control reference too long (14 bytes maximum)");
GWEN_DB_Group_free(cfg);
return -1;
}
strcpy(ctrlref, p);
/* create SigHead */
hbuf=GWEN_Buffer_new(0, 128+GWEN_Buffer_GetUsedBytes(rawBuf), 0, 1);
GWEN_DB_SetIntValue(cfg, GWEN_DB_FLAGS_DEFAULT,
"head/seq", hmsg->firstSegment-1);
GWEN_DB_SetIntValue(cfg, GWEN_DB_FLAGS_DEFAULT,
"signseq", 1);
/* create signature head segment */
rv=GWEN_MsgEngine_CreateMessageFromNode(e, node, hbuf, cfg);
GWEN_DB_Group_free(cfg);
cfg=0;
if (rv) {
DBG_INFO(AQHBCI_LOGDOMAIN, "Could not create SigHead");
GWEN_Buffer_free(hbuf);
return rv;
}
/* insert new SigHead at beginning of message buffer */
DBG_DEBUG(AQHBCI_LOGDOMAIN, "Inserting signature head");
GWEN_Buffer_Rewind(hmsg->buffer);
GWEN_Buffer_InsertBytes(hmsg->buffer,
GWEN_Buffer_GetStart(hbuf),
GWEN_Buffer_GetUsedBytes(hbuf));
/* create sigtail */
DBG_DEBUG(AQHBCI_LOGDOMAIN, "Completing signature tail");
cfg=GWEN_DB_Group_new("sigtail");
GWEN_Buffer_Reset(hbuf);
GWEN_DB_SetIntValue(cfg, GWEN_DB_FLAGS_DEFAULT,
"head/seq", hmsg->lastSegment+1);
/* store to DB */
GWEN_DB_SetBinValue(cfg, GWEN_DB_FLAGS_DEFAULT,
"signature",
"NOSIGNATURE",
11);
GWEN_DB_SetCharValue(cfg, GWEN_DB_FLAGS_DEFAULT,
"ctrlref", ctrlref);
/* handle pin */
memset(pin, 0, sizeof(pin));
rv=AH_User_InputPin(su, pin, 4, sizeof(pin), 0);
if (rv<0) {
DBG_ERROR(AQHBCI_LOGDOMAIN,
"Error getting pin from medium (%d)", rv);
GWEN_DB_Group_free(cfg);
GWEN_Buffer_free(hbuf);
memset(pin, 0, sizeof(pin));
return rv;
}
GWEN_DB_SetCharValue(cfg, GWEN_DB_FLAGS_DEFAULT, "pin", pin);
AH_Msg_SetPin(hmsg, pin);
memset(pin, 0, sizeof(pin));
/* handle tan */
if (hmsg->needTan) {
DBG_NOTICE(AQHBCI_LOGDOMAIN,
"This queue needs a TAN");
if (hmsg->usedTan) {
DBG_NOTICE(AQHBCI_LOGDOMAIN,
"Using existing TAN");
GWEN_DB_SetCharValue(cfg, GWEN_DB_FLAGS_DEFAULT,
"tan", hmsg->usedTan);
}
else {
char tan[16];
memset(tan, 0, sizeof(tan));
DBG_NOTICE(AQHBCI_LOGDOMAIN, "Asking for TAN");
rv=AH_User_InputTan(su, tan, 4, sizeof(tan));
if (rv<0) {
DBG_ERROR(AQHBCI_LOGDOMAIN, "Error getting TAN from medium");
GWEN_DB_Group_free(cfg);
GWEN_Buffer_free(hbuf);
return rv;
}
GWEN_DB_SetCharValue(cfg, GWEN_DB_FLAGS_DEFAULT,
"tan", tan);
AH_Msg_SetTan(hmsg, tan);
}
}
else {
DBG_NOTICE(AQHBCI_LOGDOMAIN,
"This queue doesn't need a TAN");
}
/* get node */
node=GWEN_MsgEngine_FindNodeByPropertyStrictProto(e,
"SEG",
"id",
0,
"SigTail");
if (!node) {
DBG_INFO(AQHBCI_LOGDOMAIN, "Segment \"SigTail\"not found");
GWEN_Buffer_free(hbuf);
GWEN_DB_Group_free(cfg);
return GWEN_ERROR_INTERNAL;
}
rv=GWEN_MsgEngine_CreateMessageFromNode(e, node, hbuf, cfg);
if (rv) {
DBG_INFO(AQHBCI_LOGDOMAIN, "Could not create SigTail (%d)", rv);
GWEN_Buffer_free(hbuf);
GWEN_DB_Group_free(cfg);
return rv;
}
/* append sigtail */
DBG_DEBUG(AQHBCI_LOGDOMAIN, "Appending signature tail");
if (GWEN_Buffer_AppendBuffer(hmsg->buffer, hbuf)) {
DBG_INFO(AQHBCI_LOGDOMAIN, "here");
GWEN_Buffer_free(hbuf);
GWEN_DB_Group_free(cfg);
return GWEN_ERROR_MEMORY_FULL;
}
DBG_DEBUG(AQHBCI_LOGDOMAIN, "Appending signature tail: done");
GWEN_Buffer_free(hbuf);
GWEN_DB_Group_free(cfg);
/* adjust segment numbers (for next signature and message tail */
hmsg->firstSegment--;
hmsg->lastSegment++;
return 0;
}
int EBC_Dialog_ExchangeMessages(GWEN_HTTP_SESSION *sess,
EB_MSG *msg,
EB_MSG **pResponse) {
AB_USER *u;
int rv;
GWEN_BUFFER *sendBuf;
GWEN_BUFFER *recvBuf;
EB_MSG *mResponse;
/* preparations */
u=AB_HttpSession_GetUser(sess);
assert(u);
sendBuf=GWEN_Buffer_new(0, 1024, 0, 1);
recvBuf=GWEN_Buffer_new(0, 1024, 0, 1);
/* convert message to buffer for sending */
EB_Msg_toBuffer(msg, sendBuf);
#if 0
if (GWEN_Logger_GetLevel(AQEBICS_LOGDOMAIN)>=GWEN_LoggerLevel_Debug) {
DBG_ERROR(AQEBICS_LOGDOMAIN, "Sending this:");
fprintf(stderr, "====================================\n");
fprintf(stderr, "%s\n", GWEN_Buffer_GetStart(sendBuf));
fprintf(stderr, "====================================\n");
}
#endif
/* send request */
rv=GWEN_HttpSession_SendPacket(sess,
"POST",
(const uint8_t*)GWEN_Buffer_GetStart(sendBuf),
GWEN_Buffer_GetUsedBytes(sendBuf));
if (rv<0) {
DBG_ERROR(AQEBICS_LOGDOMAIN, "Error sending request (%d)", rv);
GWEN_Buffer_free(recvBuf);
GWEN_Buffer_free(sendBuf);
return rv;
}
GWEN_Buffer_free(sendBuf);
/* receive response */
rv=GWEN_HttpSession_RecvPacket(sess, recvBuf);
if (rv<0 || rv>=300) {
DBG_ERROR(AQEBICS_LOGDOMAIN, "Error sending request (%d)", rv);
GWEN_Buffer_free(recvBuf);
return rv;
}
#if 0
if (GWEN_Logger_GetLevel(AQEBICS_LOGDOMAIN)>=GWEN_LoggerLevel_Debug) {
DBG_ERROR(AQEBICS_LOGDOMAIN, "Received this:");
fprintf(stderr, "====================================\n");
fprintf(stderr, "%s\n", GWEN_Buffer_GetStart(recvBuf));
fprintf(stderr, "====================================\n");
}
#endif
/* convert buffer to EBICS message */
mResponse=EB_Msg_fromBuffer(GWEN_Buffer_GetStart(recvBuf),
GWEN_Buffer_GetUsedBytes(recvBuf));
GWEN_Buffer_free(recvBuf);
if (!mResponse) {
DBG_ERROR(AQEBICS_LOGDOMAIN, "Invalid response (no EBICS message)");
return GWEN_ERROR_BAD_DATA;
}
*pResponse=mResponse;
return 0;
}