static void setupbigedit2(HWND hwnd, int id, int idstatic,
struct ssh2_userkey *key)
{
unsigned char *pub_blob;
char *buffer, *p;
int pub_len;
int i;
pub_blob = key->alg->public_blob(key->data, &pub_len);
buffer = smalloc(strlen(key->alg->name) + 4 * ((pub_len + 2) / 3) +
strlen(key->comment) + 3);
strcpy(buffer, key->alg->name);
p = buffer + strlen(buffer);
*p++ = ' ';
i = 0;
while (i < pub_len) {
int n = (pub_len - i < 3 ? pub_len - i : 3);
base64_encode_atom(pub_blob + i, n, p);
i += n;
p += 4;
}
*p++ = ' ';
strcpy(p, key->comment);
SetDlgItemText(hwnd, id, buffer);
SetDlgItemText(hwnd, idstatic, "&Public key for pasting into "
"OpenSSH authorized_keys2 file:");
sfree(pub_blob);
sfree(buffer);
}
//---------------------------------------------------------------------------
AnsiString __fastcall TKeyGenerator::GetPublicKey()
{
if (FPublicKey.IsEmpty())
{
unsigned char *pub_blob;
char *buffer, *p;
int pub_len;
int i;
DebugAssert(FSSH2Key);
pub_blob = FSSH2Key->alg->public_blob(FSSH2Key->data, &pub_len);
buffer = new char[4 * ((pub_len + 2) / 3) + 1];
p = buffer;
i = 0;
while (i < pub_len)
{
int n = (pub_len - i < 3 ? pub_len - i : 3);
base64_encode_atom(pub_blob + i, n, p);
i += n;
p += 4;
}
*p = '\0';
FPublicKey = buffer;
sfree(pub_blob);
delete [] buffer;
}
return FPublicKey;
}
int proxy_http_negotiate (ProxySocket *p, int change)
{
if (p->state == PROXY_STATE_NEW) {
/* we are just beginning the proxy negotiate process,
* so we'll send off the initial bits of the request.
* for this proxy method, it's just a simple HTTP
* request
*/
char *buf, dest[512];
char *username, *password;
sk_getaddr(p->remote_addr, dest, lenof(dest));
buf = dupprintf("CONNECT %s:%i HTTP/1.1\r\nHost: %s:%i\r\n",
dest, p->remote_port, dest, p->remote_port);
sk_write(p->sub_socket, buf, strlen(buf));
sfree(buf);
username = conf_get_str(p->conf, CONF_proxy_username);
password = conf_get_str(p->conf, CONF_proxy_password);
if (username[0] || password[0]) {
char *buf, *buf2;
int i, j, len;
buf = dupprintf("%s:%s", username, password);
len = strlen(buf);
buf2 = snewn(len * 4 / 3 + 100, char);
sprintf(buf2, "Proxy-Authorization: Basic ");
for (i = 0, j = strlen(buf2); i < len; i += 3, j += 4)
base64_encode_atom((unsigned char *)(buf+i),
(len-i > 3 ? 3 : len-i), buf2+j);
strcpy(buf2+j, "\r\n");
sk_write(p->sub_socket, buf2, strlen(buf2));
sfree(buf);
sfree(buf2);
}
static int save_ssh2_pubkey(char *filename, char *comment,
void *v_pub_blob, int pub_len)
{
unsigned char *pub_blob = (unsigned char *)v_pub_blob;
char *p;
int i, column;
FILE *fp;
if (filename) {
fp = fopen(filename, "wb");
if (!fp)
return 0;
} else
fp = stdout;
fprintf(fp, "---- BEGIN SSH2 PUBLIC KEY ----\n");
if (comment) {
fprintf(fp, "Comment: \"");
for (p = comment; *p; p++) {
if (*p == '\\' || *p == '\"')
fputc('\\', fp);
fputc(*p, fp);
}
fprintf(fp, "\"\n");
}
i = 0;
column = 0;
while (i < pub_len) {
char buf[5];
int n = (pub_len - i < 3 ? pub_len - i : 3);
base64_encode_atom(pub_blob + i, n, buf);
i += n;
buf[4] = '\0';
fputs(buf, fp);
if (++column >= 16) {
fputc('\n', fp);
column = 0;
}
}
if (column > 0)
fputc('\n', fp);
fprintf(fp, "---- END SSH2 PUBLIC KEY ----\n");
if (filename)
fclose(fp);
return 1;
}
static int save_ssh2_pubkey(char *filename, struct ssh2_userkey *key)
{
unsigned char *pub_blob;
char *p;
int pub_len;
int i, column;
FILE *fp;
pub_blob = key->alg->public_blob(key->data, &pub_len);
fp = fopen(filename, "wb");
if (!fp)
return 0;
fprintf(fp, "---- BEGIN SSH2 PUBLIC KEY ----\n");
fprintf(fp, "Comment: \"");
for (p = key->comment; *p; p++) {
if (*p == '\\' || *p == '\"')
fputc('\\', fp);
fputc(*p, fp);
}
fprintf(fp, "\"\n");
i = 0;
column = 0;
while (i < pub_len) {
char buf[5];
int n = (pub_len - i < 3 ? pub_len - i : 3);
base64_encode_atom(pub_blob + i, n, buf);
i += n;
buf[4] = '\0';
fputs(buf, fp);
if (++column >= 16) {
fputc('\n', fp);
column = 0;
}
}
if (column > 0)
fputc('\n', fp);
fprintf(fp, "---- END SSH2 PUBLIC KEY ----\n");
fclose(fp);
sfree(pub_blob);
return 1;
}
char *sc_base64key(char *data, int len) {
int bi, bn;
char out[4];
int datalen = len;
char *buffi = calloc(len + len, sizeof(char *));
int buffi_pos = 0;
for(bi=0;bi<(len + len); bi++) buffi[bi] = '\0';
while (datalen > 0) {
bn = (datalen < 3 ? datalen : 3);
base64_encode_atom(data, bn, out);
data += bn;
datalen -= bn;
for (bi = 0; bi < 4; bi++) {
buffi[buffi_pos] = out[bi];
buffi_pos++;
}
}
return buffi;
}
