new upstream release (3.3.0); modify package compatibility for Stretch

[ossec-hids.git] / src / os_net / os_net.h

diff --git a/src/os_net/os_net.h b/src/os_net/os_net.h
old mode 100755 (executable)
new mode 100644 (file)
index f5a1855..852ecea
--- a/src/os_net/os_net.h
+++ b/src/os_net/os_net.h
@@ -1,6 +1,3 @@
-/* @(#) $Id: ./src/os_net/os_net.h, 2011/09/08 dcid Exp $
- */
-
 /* Copyright (C) 2009 Trend Micro Inc.
  * All rights reserved.
  *
@@ -10,83 +7,116 @@
  * Foundation
  */
 
-/* OS_net Library.
- * APIs for many network operations.
+/* OS_net Library
+ * APIs for many network operations
  */
 
-#ifndef __OS_NET_H
+#include "headers/shared.h"
+#include "config/client-config.h"
+extern agent *agt;
+#ifdef WIN32
+#ifndef AI_ADDRCONFIG
+#define AI_ADDRCONFIG   0x0400
+#endif
+#ifndef AI_V4MAPPED
+#define AI_V4MAPPED     0x0800
+#endif
+typedef unsigned short int sa_family_t;
+#endif /* WIN32 */
 
+
+#ifndef __OS_NET_H
 #define __OS_NET_H
+#ifdef _WIN32
+#include <stdint.h>
+typedef uint8_t u_int8_t;
+typedef uint16_t u_int16_t;
+typedef uint32_t u_int32_t;
+#endif
 
+/*
+ * OSNetInfo is used to exchange a set of bound sockets for use with the
+ * select() function for monitoring incoming packets on multiple interfaces.
+ * This allows you to support IPv4 and IPv6 simultaneously.
+ */
 
-/* OS_Bindport*
+typedef struct _OSNetInfo {
+  fd_set fdset;                         /* set of sockets used by select ()*/
+  int fdmax;                            /* fd max socket for select() */
+  int fds[FD_SETSIZE];                  /* array of bound sockets for send() */
+  int fdcnt;                            /* number of sockets in array */
+  int status;                           /* return status (-1 is error) */
+  int retval;                           /* return value (additional info) */
+} OSNetInfo;
+
+/*
+ * OS_Bindport*
  * Bind a specific port (protocol and a ip).
  * If the IP is not set, it is going to use ADDR_ANY
- * Return the socket.
+ * Return a pointer to the OSNetInfo struct.
  */
-int OS_Bindporttcp(unsigned int _port, char *_ip, int ipv6);
-int OS_Bindportudp(unsigned int _port, char *_ip, int ipv6);
+
+OSNetInfo *OS_Bindporttcp(char *_port, const char *_ip);
+OSNetInfo *OS_Bindportudp(char *_port, const char *_ip);
 
 /* OS_BindUnixDomain
  * Bind to a specific file, using the "mode" permissions in
  * a Unix Domain socket.
  */
-int OS_BindUnixDomain(char * path, int mode, int max_msg_size);
-int OS_ConnectUnixDomain(char * path, int max_msg_size);
+int OS_BindUnixDomain(const char *path, mode_t mode, int max_msg_size) __attribute__((nonnull));
+int OS_ConnectUnixDomain(const char *path, int max_msg_size) __attribute__((nonnull));
 int OS_getsocketsize(int ossock);
 
-
 /* OS_Connect
  * Connect to a TCP/UDP socket
  */
-int OS_ConnectTCP(unsigned int _port, char *_ip, int ipv6);
-int OS_ConnectUDP(unsigned int _port, char *_ip, int ipv6);
+int OS_ConnectTCP(char *_port, const char *_ip);
+int OS_ConnectUDP(char *_port, const char *_ip);
 
 /* OS_RecvUDP
  * Receive a UDP packet. Return NULL if failed
  */
 char *OS_RecvUDP(int socket, int sizet);
-int OS_RecvConnUDP(int socket, char *buffer, int buffer_size);
-
+int OS_RecvConnUDP(int socket, char *buffer, int buffer_size) __attribute__((nonnull));
 
 /* OS_RecvUnix
  * Receive a message via a Unix socket
  */
-int OS_RecvUnix(int socket, int sizet, char *ret);
-
+int OS_RecvUnix(int socket, int sizet, char *ret) __attribute__((nonnull));
 
 /* OS_RecvTCP
  * Receive a TCP packet
  */
-int OS_AcceptTCP(int socket, char *srcip, int addrsize);
+int OS_AcceptTCP(int socket, char *srcip, size_t addrsize) __attribute__((nonnull));
 char *OS_RecvTCP(int socket, int sizet);
-int OS_RecvTCPBuffer(int socket, char *buffer, int sizet);
-
+int OS_RecvTCPBuffer(int socket, char *buffer, int sizet) __attribute__((nonnull));
 
 /* OS_SendTCP
  * Send a TCP/UDP/UnixSocket packet (in a open socket)
  */
-int OS_SendTCP(int socket, char *msg);
-int OS_SendTCPbySize(int socket, int size, char *msg);
-
-int OS_SendUnix(int socket, char * msg, int size);
+int OS_SendTCP(int socket, const char *msg) __attribute__((nonnull));
+int OS_SendTCPbySize(int socket, int size, const char *msg) __attribute__((nonnull));
 
-int OS_SendUDP(int socket, char *msg);
-int OS_SendUDPbySize(int socket, int size, char *msg);
+int OS_SendUnix(int socket, const char *msg, int size) __attribute__((nonnull));
 
+int OS_SendUDPbySize(int socket, int size, const char *msg) __attribute__((nonnull));
 
 /* OS_GetHost
- * Calls gethostbyname
+ * Calls getaddrinfo
  */
-char *OS_GetHost(char *host, int attempts);
+char *OS_GetHost(const char *host, unsigned int attempts);
 
-/**
- * Close a network socket.
- * @param socket the socket to close
- * @return 0 on success, else -1 or SOCKET_ERROR
+
+/* satop 
+ * Convert a sockaddr to a printable address.
+ */
+int satop(struct sockaddr *sa, char *dst, socklen_t size);
+
+
+/* Close a network socket
+ * Returns 0 on success, else -1 or SOCKET_ERROR
  */
 int OS_CloseSocket(int socket);
 
-#endif
+#endif /* __OS_NET_H */
 
-/* EOF */