Added getaddrinfo.[ch] & gethostbyname.[ch] to provide RFC2553 functions

	if missing in system libs and lwres not present
Moved all references to netdb.h and sys/socket.h into common.h.in
Modified automake call in tools/setup to include adding missing files
	so config.sub and config.guess will be available


git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@376 f882894a-f735-0410-b71e-b25c423dba1c

1 files changed, 67 insertions, 0 deletions

diff --git a/lib/getaddrinfo.h b/lib/getaddrinfo.h
new file mode 100644
index 00000000..c474d3bc
--- /dev/null
+++ b/lib/getaddrinfo.h
@@ -0,0 +1,67 @@
+#ifndef _getaddrinfo_h
+#define _getaddrinfo_h
+/*
+ *  This file is part of libESMTP, a library for submission of RFC 2822
+ *  formatted electronic mail messages using the SMTP protocol described
+ *  in RFC 2821.
+ *
+ *  Copyright (C) 2001,2002  Brian Stafford  <brian@stafford.uklinux.net>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2.1 of the License, or (at your option) any later version.
+ *
+ *  This library 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
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+/* Structure and prototypes aken from RFC 2553 */
+
+struct addrinfo
+  {
+    int ai_flags;               /* AI_PASSIVE, AI_CANONNAME, AI_NUMERICHOST */
+    int ai_family;              /* PF_xxx */
+    int ai_socktype;            /* SOCK_xxx */
+    int ai_protocol;            /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
+    size_t ai_addrlen;          /* length of ai_addr */
+    char *ai_canonname;         /* canonical name for nodename */
+    struct sockaddr *ai_addr;   /* binary address */
+    struct addrinfo *ai_next;   /* next structure in linked list */
+  };
+
+/* Supposed to be defined in <netdb.h> */
+#define AI_PASSIVE     1       /* Socket address is intended for `bind'.  */
+#define AI_CANONNAME   2       /* Request for canonical name.  */
+#define AI_NUMERICHOST 4       /* Don't use name resolution.  */
+
+/* Supposed to be defined in <netdb.h> */
+#define EAI_ADDRFAMILY 1   /* address family for nodename not supported */
+#define EAI_AGAIN      2   /* temporary failure in name resolution */
+#define EAI_BADFLAGS   3   /* invalid value for ai_flags */
+#define EAI_FAIL       4   /* non-recoverable failure in name resolution */
+#define EAI_FAMILY     5   /* ai_family not supported */
+#define EAI_MEMORY     6   /* memory allocation failure */
+#define EAI_NODATA     7   /* no address associated with nodename */
+#define EAI_NONAME     8   /* nodename nor servname provided, or not known */
+#define EAI_SERVICE    9   /* servname not supported for ai_socktype */
+#define EAI_SOCKTYPE   10  /* ai_socktype not supported */
+#define EAI_SYSTEM     11  /* system error returned in errno */
+
+/* RFC 2553 / Posix resolver */
+int getaddrinfo (const char *nodename, const char *servname,
+                 const struct addrinfo *hints, struct addrinfo **res);
+
+/* Free addrinfo structure and associated storage */
+void freeaddrinfo (struct addrinfo *ai);
+
+/* Convert error return from getaddrinfo() to string */
+const char *gai_strerror (int code);
+
+#endif