-/* $Id$ */
+/*
+ * Copyright (c) 1987-2009 by the citadel.org team
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
#include <string.h>
#include <unistd.h>
*/
X509_NAME_add_entry_by_txt(name, "O",
- MBSTRING_ASC, config.c_humannode, -1, -1, 0);
+ MBSTRING_ASC,
+ (unsigned char*) config.c_humannode,
+ -1, -1, 0);
X509_NAME_add_entry_by_txt(name, "OU",
- MBSTRING_ASC, "Citadel server", -1, -1, 0);
+ MBSTRING_ASC,
+ (unsigned const char*)"Citadel server",
+ -1, -1, 0);
/* X509_NAME_add_entry_by_txt(name, "CN",
MBSTRING_ASC, config.c_fqdn, -1, -1, 0);
*/
- X509_NAME_add_entry_by_txt(name, "CN",
- MBSTRING_ASC, "*", -1, -1, 0);
+ X509_NAME_add_entry_by_txt(name,
+ "CN",
+ MBSTRING_ASC,
+ (const unsigned char *)"*", -1, -1, 0);
X509_REQ_set_subject_name(req, name);
/*
* client_write_ssl() Send binary data to the client encrypted.
*/
-void client_write_ssl(char *buf, int nbytes)
+void client_write_ssl(const char *buf, int nbytes)
{
int retval;
int nremain;
/*
- * client_read_ssl() - read data from the encrypted layer.
+ * read data from the encrypted layer.
*/
-int client_read_ssl(char *buf, int bytes, int timeout)
+int client_read_sslbuffer(StrBuf *buf, int timeout)
{
-#if 0
- fd_set rfds;
- struct timeval tv;
- int retval;
- int s;
-#endif
- int len, rlen;
+ char sbuf[16384]; /* OpenSSL communicates in 16k blocks, so let's speak its native tongue. */
+ int rlen;
char junk[1];
+ SSL *pssl = CC->ssl;
- len = 0;
- while (len < bytes) {
-#if 0
- /*
- * This code is disabled because we don't need it when
- * using blocking reads (which we are). -IO
- */
- FD_ZERO(&rfds);
- s = BIO_get_fd(CC->ssl->rbio, NULL);
- FD_SET(s, &rfds);
- tv.tv_sec = timeout;
- tv.tv_usec = 0;
-
- retval = select(s + 1, &rfds, NULL, NULL, &tv);
+ if (pssl == NULL) return(-1);
- if (FD_ISSET(s, &rfds) == 0) {
- return (0);
- }
-
-#endif
- if (SSL_want_read(CC->ssl)) {
- if ((SSL_write(CC->ssl, junk, 0)) < 1) {
- CtdlLogPrintf(CTDL_DEBUG, "SSL_write in client_read: %s\n", ERR_reason_error_string(ERR_get_error()));
+ while (1) {
+ if (SSL_want_read(pssl)) {
+ if ((SSL_write(pssl, junk, 0)) < 1) {
+ CtdlLogPrintf(CTDL_DEBUG, "SSL_write in client_read\n");
}
}
- rlen = SSL_read(CC->ssl, &buf[len], bytes - len);
+ rlen = SSL_read(pssl, sbuf, sizeof(sbuf));
if (rlen < 1) {
long errval;
- errval = SSL_get_error(CC->ssl, rlen);
- if (errval == SSL_ERROR_WANT_READ ||
- errval == SSL_ERROR_WANT_WRITE) {
+ errval = SSL_get_error(pssl, rlen);
+ if (errval == SSL_ERROR_WANT_READ || errval == SSL_ERROR_WANT_WRITE) {
sleep(1);
continue;
}
CtdlLogPrintf(CTDL_DEBUG, "SSL_read got error %ld\n", errval);
endtls();
- return (client_read_to
- (&buf[len], bytes - len, timeout));
+ return (-1);
+ }
+ StrBufAppendBufPlain(buf, sbuf, rlen, 0);
+ return rlen;
+ }
+ return (0);
+}
+
+int client_readline_sslbuffer(StrBuf *Line, StrBuf *IOBuf, const char **Pos, int timeout)
+{
+ CitContext *CCC = CC;
+ const char *pos = NULL;
+ const char *pLF;
+ int len, rlen, retlen;
+ int nSuccessLess = 0;
+ const char *pch = NULL;
+
+ retlen = 0;
+ if ((Line == NULL) ||
+ (Pos == NULL) ||
+ (IOBuf == NULL))
+ {
+ if (Pos != NULL)
+ *Pos = NULL;
+// *Error = ErrRBLF_PreConditionFailed;
+ return -1;
+ }
+
+ pos = *Pos;
+ if ((StrLength(IOBuf) > 0) &&
+ (pos != NULL) &&
+ (pos < ChrPtr(IOBuf) + StrLength(IOBuf)))
+ {
+ pch = pos;
+ pch = strchr(pch, '\n');
+
+ if (pch == NULL) {
+ StrBufAppendBufPlain(Line, pos,
+ StrLength(IOBuf) - (pos - ChrPtr(IOBuf)), 0);
+ FlushStrBuf(IOBuf);
+ pos = *Pos = NULL;
+ }
+ else {
+ int n = 0;
+ if ((pch > ChrPtr(IOBuf)) &&
+ (*(pch - 1) == '\r')) {
+ n = 1;
+ }
+ StrBufAppendBufPlain(Line, pos,
+ (pch - pos - n), 0);
+
+ if (StrLength(IOBuf) <= (pch - ChrPtr(IOBuf) + 1)) {
+ FlushStrBuf(IOBuf);
+ pos = *Pos = NULL;
+ }
+ else
+ *Pos = pch + 1;
+ return StrLength(Line);
+ }
+ }
+
+ pLF = NULL;
+ while ((nSuccessLess < timeout) &&
+ (pLF == NULL) &&
+ (CCC->ssl != NULL)) {
+
+ rlen = client_read_sslbuffer(IOBuf, timeout);
+ if (rlen < 1) {
+// *Error = strerror(errno);
+// close(*fd);
+// *fd = -1;
+ return -1;
+ }
+ else if (rlen > 0) {
+ pLF = strchr(ChrPtr(IOBuf), '\n');
+ }
+ }
+ *Pos = NULL;
+ if (pLF != NULL) {
+ pos = ChrPtr(IOBuf);
+ len = pLF - pos;
+ if (len > 0 && (*(pLF - 1) == '\r') )
+ len --;
+ StrBufAppendBufPlain(Line, pos, len, 0);
+ if (pLF + 1 >= ChrPtr(IOBuf) + StrLength(IOBuf))
+ {
+ FlushStrBuf(IOBuf);
+ }
+ else
+ *Pos = pLF + 1;
+ return StrLength(Line);
+ }
+// *Error = ErrRBLF_NotEnoughSentFromServer;
+ return -1;
+}
+
+
+
+int client_read_sslblob(StrBuf *Target, long bytes, int timeout)
+{
+ long baselen;
+ long RemainRead;
+ int retval = 0;
+ CitContext *CCC = CC;
+
+ baselen = StrLength(Target);
+
+ if (StrLength(CCC->RecvBuf.Buf) > 0)
+ {
+ long RemainLen;
+ long TotalLen;
+ const char *pchs;
+
+ if (CCC->RecvBuf.ReadWritePointer == NULL)
+ CCC->RecvBuf.ReadWritePointer = ChrPtr(CCC->RecvBuf.Buf);
+ pchs = ChrPtr(CCC->RecvBuf.Buf);
+ TotalLen = StrLength(CCC->RecvBuf.Buf);
+ RemainLen = TotalLen - (pchs - CCC->RecvBuf.ReadWritePointer);
+ if (RemainLen > bytes)
+ RemainLen = bytes;
+ if (RemainLen > 0)
+ {
+ StrBufAppendBufPlain(Target,
+ CCC->RecvBuf.ReadWritePointer,
+ RemainLen, 0);
+ CCC->RecvBuf.ReadWritePointer += RemainLen;
+ }
+ if ((ChrPtr(CCC->RecvBuf.Buf) + StrLength(CCC->RecvBuf.Buf)) <= CCC->RecvBuf.ReadWritePointer)
+ {
+ CCC->RecvBuf.ReadWritePointer = NULL;
+ FlushStrBuf(CCC->RecvBuf.Buf);
+ }
+ }
+
+ if (StrLength(Target) >= bytes + baselen)
+ return 1;
+
+ CCC->RecvBuf.ReadWritePointer = NULL;
+
+ while ((StrLength(Target) < bytes + baselen) &&
+ (retval >= 0))
+ {
+ retval = client_read_sslbuffer(CCC->RecvBuf.Buf, timeout);
+ if (retval >= 0) {
+ RemainRead = bytes - (StrLength (Target) - baselen);
+ if (RemainRead < StrLength(CCC->RecvBuf.Buf))
+ {
+ StrBufAppendBufPlain(
+ Target,
+ ChrPtr(CCC->RecvBuf.Buf),
+ RemainRead, 0);
+ CCC->RecvBuf.ReadWritePointer = ChrPtr(CCC->RecvBuf.Buf) + RemainRead;
+ break;
+ }
+ StrBufAppendBuf(Target, CCC->RecvBuf.Buf, 0); /* todo: Buf > bytes? */
+ FlushStrBuf(CCC->RecvBuf.Buf);
+ }
+ else
+ {
+ FlushStrBuf(CCC->RecvBuf.Buf);
+ return -1;
+
}
- len += rlen;
}
- return (1);
+ return 1;
}