1 files changed, 103 insertions, 0 deletions
diff --git a/src/havegecmd.h b/src/havegecmd.h
new file mode 100644
index 0000000..19a1823
--- /dev/null
+++ b/src/havegecmd.h
@@ -0,0 +1,103 @@
+/**
+ ** Provide HAVEGE socket communication API
+ **
+ ** Copyright 2018-2021 Jirka Hladky hladky DOT jiri AT gmail DOT com
+ ** Copyright 2018 Werner Fink <werner@suse.de>
+ **
+ ** 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, see <http://www.gnu.org/licenses/>.
+ **
+ */
+
+#ifndef HAVEGECMD_H
+#define HAVEGECMD_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "havege.h"
+#include "haveged.h"
+
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#define HAVEGED_SOCKET_PATH      "\0/sys/entropy/haveged"
+#define MAGIC_CHROOT             'R'
+#define MAGIC_CLOSE              'X'
+#define MAGIC_PATH               'P'
+
+#define ASCII_ACK                "\x6"    /* ASCII acknowledge */
+#define ASCII_NAK                "\x15"   /* ASCII negative acknowledge */
+#define ASCII_STX                "\x2"    /* ASCII start of text */
+  
+#ifndef SOCK_CLOEXEC
+#define SOCK_CLOEXEC 0
+#endif
+
+#ifndef SOCK_NONBLOCK
+#define SOCK_NONBLOCK 0
+#endif
+
+/**
+ * Open and listen on a UNIX socket to get command from there
+ */
+int cmd_listen(struct pparams *);
+
+/**
+ * Open and connect on a UNIX socket to send command over this
+ */
+int cmd_connect(struct pparams *);
+
+/**
+ * Handle arguments in command mode
+ */
+int getcmd(char *);
+
+/**
+ * Handle incomming messages from socket
+ */
+int socket_handler(int, const volatile char *, char *const [], struct pparams *);
+
+/**
+ * Receive incomming messages from socket
+ */
+ssize_t safein(int, void *, size_t);
+
+/**
+ * Send outgoing messages to socket
+ */
+void safeout(int, const void *, size_t);
+
+/**
+ * Send outgoing unsigned integer to socket
+ */
+void send_uinteger(int, uint32_t);
+
+/**
+ * Receive incomming unsigned integer from socket
+ */
+int receive_uinteger(int, uint32_t *);
+
+/**
+ * Socket file descriptor used for communication
+ */
+
+extern int socket_fd;
+extern int first_byte;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif