r8463: more irix fixes. This one adds some missing addrinfo functions

(This used to be commit 87f7098ee3a24be202b6aaa1ab2a4e44b7b89975)

3 files changed, 551 insertions, 0 deletions

diff --git a/source4/heimdal/lib/roken/freeaddrinfo.c b/source4/heimdal/lib/roken/freeaddrinfo.c
new file mode 100644
index 0000000000..6311aa29d8
--- /dev/null
+++ b/source4/heimdal/lib/roken/freeaddrinfo.c
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 1999 - 2001 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+RCSID("$Id: freeaddrinfo.c,v 1.5 2005/04/12 11:28:41 lha Exp $");
+#endif
+
+#include "roken.h"
+
+/*
+ * free the list of `struct addrinfo' starting at `ai'
+ */
+
+void ROKEN_LIB_FUNCTION
+freeaddrinfo(struct addrinfo *ai)
+{
+    struct addrinfo *tofree;
+
+    while(ai != NULL) {
+	free (ai->ai_canonname);
+	free (ai->ai_addr);
+	tofree = ai;
+	ai = ai->ai_next;
+	free (tofree);
+    }
+}
diff --git a/source4/heimdal/lib/roken/gai_strerror.c b/source4/heimdal/lib/roken/gai_strerror.c
new file mode 100644
index 0000000000..5c28f58bf4
--- /dev/null
+++ b/source4/heimdal/lib/roken/gai_strerror.c
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 1999 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+RCSID("$Id: gai_strerror.c,v 1.5 2005/04/12 11:28:42 lha Exp $");
+#endif
+
+#include "roken.h"
+
+static struct gai_error {
+    int code;
+    char *str;
+} errors[] = {
+{EAI_NOERROR,		"no error"},
+#ifdef EAI_ADDRFAMILY
+{EAI_ADDRFAMILY,	"address family for nodename not supported"},
+#endif
+{EAI_AGAIN,		"temporary failure in name resolution"},
+{EAI_BADFLAGS,		"invalid value for ai_flags"},
+{EAI_FAIL,		"non-recoverable failure in name resolution"},
+{EAI_FAMILY,		"ai_family not supported"},
+{EAI_MEMORY,		"memory allocation failure"},
+#ifdef EAI_NODATA
+{EAI_NODATA,		"no address associated with nodename"},
+#endif
+{EAI_NONAME,		"nodename nor servname provided, or not known"},
+{EAI_SERVICE,		"servname not supported for ai_socktype"},
+{EAI_SOCKTYPE,		"ai_socktype not supported"},
+{EAI_SYSTEM,		"system error returned in errno"},
+{0,			NULL},
+};
+
+/*
+ *
+ */
+
+char * ROKEN_LIB_FUNCTION
+gai_strerror(int ecode)
+{
+    struct gai_error *g;
+
+    for (g = errors; g->str != NULL; ++g)
+	if (g->code == ecode)
+	    return g->str;
+    return "unknown error code in gai_strerror";
+}
diff --git a/source4/heimdal/lib/roken/getaddrinfo.c b/source4/heimdal/lib/roken/getaddrinfo.c
new file mode 100644
index 0000000000..b39131de74
--- /dev/null
+++ b/source4/heimdal/lib/roken/getaddrinfo.c
@@ -0,0 +1,417 @@
+/*
+ * Copyright (c) 1999 - 2001 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+RCSID("$Id: getaddrinfo.c,v 1.14 2005/06/16 17:49:29 lha Exp $");
+#endif
+
+#include "roken.h"
+
+/*
+ * uses hints->ai_socktype and hints->ai_protocol
+ */
+
+static int
+get_port_protocol_socktype (const char *servname,
+			    const struct addrinfo *hints,
+			    int *port,
+			    int *protocol,
+			    int *socktype)
+{
+    struct servent *se;
+    const char *proto_str = NULL;
+
+    *socktype = 0;
+
+    if (hints != NULL && hints->ai_protocol != 0) {
+	struct protoent *protoent = getprotobynumber (hints->ai_protocol);
+
+	if (protoent == NULL)
+	    return EAI_SOCKTYPE; /* XXX */
+
+	proto_str = protoent->p_name;
+	*protocol = protoent->p_proto;
+    }
+
+    if (hints != NULL)
+	*socktype = hints->ai_socktype;
+
+    if (*socktype == SOCK_STREAM) {
+	se = getservbyname (servname, proto_str ? proto_str : "tcp");
+	if (proto_str == NULL)
+	    *protocol = IPPROTO_TCP;
+    } else if (*socktype == SOCK_DGRAM) {
+	se = getservbyname (servname, proto_str ? proto_str : "udp");
+	if (proto_str == NULL)
+	    *protocol = IPPROTO_UDP;
+    } else if (*socktype == 0) {
+	if (proto_str != NULL) {
+	    se = getservbyname (servname, proto_str);
+	} else {
+	    se = getservbyname (servname, "tcp");
+	    *protocol = IPPROTO_TCP;
+	    *socktype = SOCK_STREAM;
+	    if (se == NULL) {
+		se = getservbyname (servname, "udp");
+		*protocol = IPPROTO_UDP;
+		*socktype = SOCK_DGRAM;
+	    }
+	}
+    } else
+	return EAI_SOCKTYPE;
+
+    if (se == NULL) {
+	char *endstr;
+
+	*port = htons(strtol (servname, &endstr, 10));
+	if (servname == endstr)
+	    return EAI_NONAME;
+    } else {
+	*port = se->s_port;
+    }
+    return 0;
+}
+
+static int
+add_one (int port, int protocol, int socktype,
+	 struct addrinfo ***ptr,
+	 int (*func)(struct addrinfo *, void *data, int port),
+	 void *data,
+	 char *canonname)
+{
+    struct addrinfo *a;
+    int ret;
+
+    a = malloc (sizeof (*a));
+    if (a == NULL)
+	return EAI_MEMORY;
+    memset (a, 0, sizeof(*a));
+    a->ai_flags     = 0;
+    a->ai_next      = NULL;
+    a->ai_protocol  = protocol;
+    a->ai_socktype  = socktype;
+    a->ai_canonname = canonname;
+    ret = (*func)(a, data, port);
+    if (ret) {
+	free (a);
+	return ret;
+    }
+    **ptr = a;
+    *ptr = &a->ai_next;
+    return 0;
+}
+
+static int
+const_v4 (struct addrinfo *a, void *data, int port)
+{
+    struct sockaddr_in *sin4;
+    struct in_addr *addr = (struct in_addr *)data;
+
+    a->ai_family  = PF_INET;
+    a->ai_addrlen = sizeof(*sin4);
+    a->ai_addr    = malloc (sizeof(*sin4));
+    if (a->ai_addr == NULL)
+	return EAI_MEMORY;
+    sin4 = (struct sockaddr_in *)a->ai_addr;
+    memset (sin4, 0, sizeof(*sin4));
+    sin4->sin_family = AF_INET;
+    sin4->sin_port   = port;
+    sin4->sin_addr   = *addr;
+    return 0;
+}
+
+#ifdef HAVE_IPV6
+static int
+const_v6 (struct addrinfo *a, void *data, int port)
+{
+    struct sockaddr_in6 *sin6;
+    struct in6_addr *addr = (struct in6_addr *)data;
+
+    a->ai_family  = PF_INET6;
+    a->ai_addrlen = sizeof(*sin6);
+    a->ai_addr    = malloc (sizeof(*sin6));
+    if (a->ai_addr == NULL)
+	return EAI_MEMORY;
+    sin6 = (struct sockaddr_in6 *)a->ai_addr;
+    memset (sin6, 0, sizeof(*sin6));
+    sin6->sin6_family = AF_INET6;
+    sin6->sin6_port   = port;
+    sin6->sin6_addr   = *addr;
+    return 0;
+}
+#endif
+
+/* this is mostly a hack for some versions of AIX that has a prototype
+   for in6addr_loopback but no actual symbol in libc */
+#if defined(HAVE_IPV6) && !defined(HAVE_IN6ADDR_LOOPBACK) && defined(IN6ADDR_LOOPBACK_INIT)
+#define in6addr_loopback _roken_in6addr_loopback
+struct in6_addr in6addr_loopback = IN6ADDR_LOOPBACK_INIT;
+#endif
+
+static int
+get_null (const struct addrinfo *hints,
+	  int port, int protocol, int socktype,
+	  struct addrinfo **res)
+{
+    struct in_addr v4_addr;
+#ifdef HAVE_IPV6
+    struct in6_addr v6_addr;
+#endif
+    struct addrinfo *first = NULL;
+    struct addrinfo **current = &first;
+    int family = PF_UNSPEC;
+    int ret;
+
+    if (hints != NULL)
+	family = hints->ai_family;
+
+    if (hints && hints->ai_flags & AI_PASSIVE) {
+	v4_addr.s_addr = INADDR_ANY;
+#ifdef HAVE_IPV6
+	v6_addr        = in6addr_any;
+#endif
+    } else {
+	v4_addr.s_addr = htonl(INADDR_LOOPBACK);
+#ifdef HAVE_IPV6
+	v6_addr        = in6addr_loopback;
+#endif
+    }
+
+#ifdef HAVE_IPV6
+    if (family == PF_INET6 || family == PF_UNSPEC) {
+	ret = add_one (port, protocol, socktype,
+		       &current, const_v6, &v6_addr, NULL);
+    }
+#endif
+    if (family == PF_INET || family == PF_UNSPEC) {
+	ret = add_one (port, protocol, socktype,
+		       &current, const_v4, &v4_addr, NULL);
+    }
+    *res = first;
+    return 0;
+}
+
+static int
+add_hostent (int port, int protocol, int socktype,
+	     struct addrinfo ***current,
+	     int (*func)(struct addrinfo *, void *data, int port),
+	     struct hostent *he, int *flags)
+{
+    int ret;
+    char *canonname = NULL;
+    char **h;
+
+    if (*flags & AI_CANONNAME) {
+	struct hostent *he2 = NULL;
+	const char *tmp_canon;
+
+	tmp_canon = hostent_find_fqdn (he);
+	if (strchr (tmp_canon, '.') == NULL) {
+	    int error;
+
+	    he2 = getipnodebyaddr (he->h_addr_list[0], he->h_length,
+				   he->h_addrtype, &error);
+	    if (he2 != NULL) {
+		const char *tmp = hostent_find_fqdn (he2);
+
+		if (strchr (tmp, '.') != NULL)
+		    tmp_canon = tmp;
+	    }
+	}
+
+	canonname = strdup (tmp_canon);
+	if (he2 != NULL)
+	    freehostent (he2);
+	if (canonname == NULL)
+	    return EAI_MEMORY;
+    }
+
+    for (h = he->h_addr_list; *h != NULL; ++h) {
+	ret = add_one (port, protocol, socktype,
+		       current, func, *h, canonname);
+	if (ret)
+	    return ret;
+	if (*flags & AI_CANONNAME) {
+	    *flags &= ~AI_CANONNAME;
+	    canonname = NULL;
+	}
+    }
+    return 0;
+}
+
+static int
+get_number (const char *nodename,
+	    const struct addrinfo *hints,
+	    int port, int protocol, int socktype,
+	    struct addrinfo **res)
+{
+    struct addrinfo *first = NULL;
+    struct addrinfo **current = &first;
+    int family = PF_UNSPEC;
+    int ret;
+
+    if (hints != NULL) {
+	family = hints->ai_family;
+    }
+
+#ifdef HAVE_IPV6
+    if (family == PF_INET6 || family == PF_UNSPEC) {
+	struct in6_addr v6_addr;
+
+	if (inet_pton (PF_INET6, nodename, &v6_addr) == 1) {
+	    ret = add_one (port, protocol, socktype,
+			   &current, const_v6, &v6_addr, NULL);
+	    *res = first;
+	    return ret;
+	}
+    }
+#endif
+    if (family == PF_INET || family == PF_UNSPEC) {
+	struct in_addr v4_addr;
+
+	if (inet_pton (PF_INET, nodename, &v4_addr) == 1) {
+	    ret = add_one (port, protocol, socktype,
+			   &current, const_v4, &v4_addr, NULL);
+	    *res = first;
+	    return ret;
+	}
+    }
+    return EAI_NONAME;
+}
+
+static int
+get_nodes (const char *nodename,
+	   const struct addrinfo *hints,
+	   int port, int protocol, int socktype,
+	   struct addrinfo **res)
+{
+    struct addrinfo *first = NULL;
+    struct addrinfo **current = &first;
+    int family = PF_UNSPEC;
+    int flags  = 0;
+    int ret = EAI_NONAME;
+    int error;
+
+    if (hints != NULL) {
+	family = hints->ai_family;
+	flags  = hints->ai_flags;
+    }
+
+#ifdef HAVE_IPV6
+    if (family == PF_INET6 || family == PF_UNSPEC) {
+	struct hostent *he;
+
+	he = getipnodebyname (nodename, PF_INET6, 0, &error);
+
+	if (he != NULL) {
+	    ret = add_hostent (port, protocol, socktype,
+			       &current, const_v6, he, &flags);
+	    freehostent (he);
+	}
+    }
+#endif
+    if (family == PF_INET || family == PF_UNSPEC) {
+	struct hostent *he;
+
+	he = getipnodebyname (nodename, PF_INET, 0, &error);
+
+	if (he != NULL) {
+	    ret = add_hostent (port, protocol, socktype,
+			       &current, const_v4, he, &flags);
+	    freehostent (he);
+	}
+    }
+    *res = first;
+    return ret;
+}
+
+/*
+ * hints:
+ *
+ * struct addrinfo {
+ *     int    ai_flags;
+ *     int    ai_family;
+ *     int    ai_socktype;
+ *     int    ai_protocol;
+ * ...
+ * };
+ */
+
+int ROKEN_LIB_FUNCTION
+getaddrinfo(const char *nodename,
+	    const char *servname,
+	    const struct addrinfo *hints,
+	    struct addrinfo **res)
+{
+    int ret;
+    int port     = 0;
+    int protocol = 0;
+    int socktype = 0;
+
+    *res = NULL;
+
+    if (servname == NULL && nodename == NULL)
+	return EAI_NONAME;
+
+    if (hints != NULL
+	&& hints->ai_family != PF_UNSPEC
+	&& hints->ai_family != PF_INET
+#ifdef HAVE_IPV6
+	&& hints->ai_family != PF_INET6
+#endif
+	)
+	return EAI_FAMILY;
+
+    if (servname != NULL) {
+	ret = get_port_protocol_socktype (servname, hints,
+					  &port, &protocol, &socktype);
+	if (ret)
+	    return ret;
+    }
+    if (nodename != NULL) {
+	ret = get_number (nodename, hints, port, protocol, socktype, res);
+	if (ret) {
+	    if(hints && hints->ai_flags & AI_NUMERICHOST)
+		ret = EAI_NONAME;
+	    else
+		ret = get_nodes (nodename, hints, port, protocol, socktype,
+				 res);
+	}
+    } else {
+	ret = get_null (hints, port, protocol, socktype, res);
+    }
+    if (ret)
+	freeaddrinfo (*res);
+    return ret;
+}