auto import from //depot/cupcake/@135843
diff --git a/missing/addrinfo.h b/missing/addrinfo.h
new file mode 100644
index 0000000..09f6a42
--- /dev/null
+++ b/missing/addrinfo.h
@@ -0,0 +1,122 @@
+/*
+ * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
+ * 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 project 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 PROJECT 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 PROJECT 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.
+ */
+
+/* $Id: addrinfo.h,v 1.4 2002/06/11 17:13:36 itojun Exp $ */
+
+#ifndef HAVE_ADDRINFO
+
+/*
+ * Error return codes from getaddrinfo()
+ */
+#define EAI_ADDRFAMILY 1 /* address family for hostname 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 hostname */
+#define EAI_NONAME 8 /* hostname 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 */
+#define EAI_BADHINTS 12
+#define EAI_PROTOCOL 13
+#define EAI_MAX 14
+
+/* internal error */
+#define NETDB_INTERNAL -1 /* see errno */
+
+/*
+ * Flag values for getaddrinfo()
+ */
+#define AI_PASSIVE 0x00000001 /* get address to use bind() */
+#define AI_CANONNAME 0x00000002 /* fill ai_canonname */
+#define AI_NUMERICHOST 0x00000004 /* prevent name resolution */
+/* valid flags for addrinfo */
+#define AI_MASK (AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST)
+
+#define AI_ALL 0x00000100 /* IPv6 and IPv4-mapped (with AI_V4MAPPED) */
+#define AI_V4MAPPED_CFG 0x00000200 /* accept IPv4-mapped if kernel supports */
+#define AI_ADDRCONFIG 0x00000400 /* only if any address is assigned */
+#define AI_V4MAPPED 0x00000800 /* accept IPv4-mapped IPv6 address */
+/* special recommended flags for getipnodebyname */
+#define AI_DEFAULT (AI_V4MAPPED_CFG | AI_ADDRCONFIG)
+
+struct addrinfo {
+ int ai_flags; /* AI_PASSIVE, AI_CANONNAME */
+ 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 hostname */
+ struct sockaddr *ai_addr; /* binary address */
+ struct addrinfo *ai_next; /* next structure in linked list */
+};
+
+extern void freeaddrinfo (struct addrinfo *);
+extern void freehostent (struct hostent *);
+extern char *gai_strerror (int);
+extern int getaddrinfo (const char *, const char *,
+ const struct addrinfo *, struct addrinfo **);
+extern int getnameinfo (const struct sockaddr *, size_t, char *,
+ size_t, char *, size_t, int);
+extern struct hostent *getipnodebyaddr (const void *, size_t, int, int *);
+extern struct hostent *getipnodebyname (const char *, int, int, int *);
+extern int inet_pton (int, const char *, void *);
+extern const char *inet_ntop (int, const void *, char *, size_t);
+#endif /* HAVE_ADDRINFO */
+
+/*
+ * Constants for getnameinfo()
+ */
+#ifndef NI_MAXHOST
+#define NI_MAXHOST 1025
+#endif
+#ifndef NI_MAXSERV
+#define NI_MAXSERV 32
+#endif
+
+/*
+ * Flag values for getnameinfo()
+ */
+#ifndef NI_NOFQDN
+#define NI_NOFQDN 0x00000001
+#endif
+#ifndef NI_NUMERICHOST
+#define NI_NUMERICHOST 0x00000002
+#endif
+#ifndef NI_NAMEREQD
+#define NI_NAMEREQD 0x00000004
+#endif
+#ifndef NI_NUMERICSERV
+#define NI_NUMERICSERV 0x00000008
+#endif
+#ifndef NI_DGRAM
+#define NI_DGRAM 0x00000010
+#endif
diff --git a/missing/addrsize.h b/missing/addrsize.h
new file mode 100644
index 0000000..13db4da
--- /dev/null
+++ b/missing/addrsize.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 1999 WIDE Project.
+ * 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 project 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 PROJECT 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 PROJECT 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.
+ */
+#ifndef INADDRSZ
+#define INADDRSZ 4 /* IPv4 T_A */
+#endif
+
+#ifndef IN6ADDRSZ
+#define IN6ADDRSZ 16 /* IPv6 T_AAAA */
+#endif
+
diff --git a/missing/bittypes.h b/missing/bittypes.h
new file mode 100644
index 0000000..31013ae
--- /dev/null
+++ b/missing/bittypes.h
@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 1999 WIDE Project.
+ * 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 project 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 PROJECT 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 PROJECT 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.
+ */
+#ifndef HAVE_U_INT8_T
+
+#if SIZEOF_CHAR == 1
+typedef unsigned char u_int8_t;
+#elif SIZEOF_INT == 1
+typedef unsigned int u_int8_t;
+#else /* XXX */
+#error "there's no appropriate type for u_int8_t"
+#endif
+
+#endif /* HAVE_U_INT8_T */
+
+#ifndef HAVE_U_INT16_T
+
+#if SIZEOF_SHORT == 2
+typedef unsigned short u_int16_t;
+#elif SIZEOF_INT == 2
+typedef unsigned int u_int16_t;
+#elif SIZEOF_CHAR == 2
+typedef unsigned char u_int16_t;
+#else /* XXX */
+#error "there's no appropriate type for u_int16_t"
+#endif
+
+#endif /* HAVE_U_INT16_T */
+
+#ifndef HAVE_U_INT32_T
+
+#if SIZEOF_INT == 4
+typedef unsigned int u_int32_t;
+#elif SIZEOF_LONG == 4
+typedef unsigned long u_int32_t;
+#elif SIZEOF_SHORT == 4
+typedef unsigned short u_int32_t;
+#else /* XXX */
+#error "there's no appropriate type for u_int32_t"
+#endif
+
+#endif /* HAVE_U_INT32_T */
+
+#ifndef HAVE_U_INT64_T
+
+#if SIZEOF_LONG_LONG == 8
+typedef unsigned long long u_int64_t;
+#elif defined(_MSC_EXTENSIONS)
+typedef unsigned _int64 u_int64_t;
+#elif SIZEOF_INT == 8
+typedef unsigned int u_int64_t;
+#elif SIZEOF_LONG == 8
+typedef unsigned long u_int64_t;
+#elif SIZEOF_SHORT == 8
+typedef unsigned short u_int64_t;
+#else /* XXX */
+#error "there's no appropriate type for u_int64_t"
+#endif
+
+#endif /* HAVE_U_INT64_T */
+
+#ifndef PRId64
+#ifdef _MSC_EXTENSIONS
+#define PRId64 "I64d"
+#else /* _MSC_EXTENSIONS */
+#define PRId64 "lld"
+#endif /* _MSC_EXTENSIONS */
+#endif /* PRId64 */
+
+#ifndef PRIo64
+#ifdef _MSC_EXTENSIONS
+#define PRIo64 "I64o"
+#else /* _MSC_EXTENSIONS */
+#define PRIo64 "llo"
+#endif /* _MSC_EXTENSIONS */
+#endif /* PRIo64 */
+
+#ifndef PRIx64
+#ifdef _MSC_EXTENSIONS
+#define PRIx64 "I64x"
+#else /* _MSC_EXTENSIONS */
+#define PRIx64 "llx"
+#endif /* _MSC_EXTENSIONS */
+#endif /* PRIx64 */
+
+#ifndef PRIu64
+#ifdef _MSC_EXTENSIONS
+#define PRIu64 "I64u"
+#else /* _MSC_EXTENSIONS */
+#define PRIu64 "llu"
+#endif /* _MSC_EXTENSIONS */
+#endif /* PRIu64 */
diff --git a/missing/datalinks.c b/missing/datalinks.c
new file mode 100644
index 0000000..2cc1267
--- /dev/null
+++ b/missing/datalinks.c
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 1993, 1994, 1995, 1996, 1997, 1998
+ * The Regents of the University of California. 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. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the Computer Systems
+ * Engineering Group at Lawrence Berkeley Laboratory.
+ * 4. Neither the name of the University nor of the Laboratory may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ */
+
+#ifndef lint
+static const char rcsid[] _U_ =
+ "@(#) $Header: /tcpdump/master/tcpdump/missing/datalinks.c,v 1.3 2003/11/16 09:36:47 guy Exp $ (LBL)";
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <tcpdump-stdinc.h>
+
+#include <pcap.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "pcap-missing.h"
+
+/*
+ * Stub versions for platforms that don't support them.
+ */
+int
+pcap_list_datalinks(pcap_t *p, int **dlt_buffer)
+{
+ /*
+ * This platform doesn't support changing the DLT for an
+ * interface. Return a list of DLTs containing only the
+ * DLT this device supports.
+ */
+ *dlt_buffer = (int*)malloc(sizeof(**dlt_buffer));
+ if (*dlt_buffer == NULL)
+ return (-1);
+ **dlt_buffer = pcap_datalink(p);
+ return (1);
+}
diff --git a/missing/dlnames.c b/missing/dlnames.c
new file mode 100644
index 0000000..f4f583e
--- /dev/null
+++ b/missing/dlnames.c
@@ -0,0 +1,175 @@
+/*
+ * Copyright (c) 1993, 1994, 1995, 1996, 1997, 1998
+ * The Regents of the University of California. 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. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the Computer Systems
+ * Engineering Group at Lawrence Berkeley Laboratory.
+ * 4. Neither the name of the University nor of the Laboratory may be used
+ * to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ */
+
+#ifndef lint
+static const char rcsid[] _U_ =
+ "@(#) $Header: /tcpdump/master/tcpdump/missing/dlnames.c,v 1.5 2003/11/18 23:09:43 guy Exp $ (LBL)";
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <tcpdump-stdinc.h>
+
+#include <pcap.h>
+#include <string.h>
+
+#include "pcap-missing.h"
+
+struct dlt_choice {
+ const char *name;
+ const char *description;
+ int dlt;
+};
+
+#define DLT_CHOICE(code, description) { #code, description, code }
+#define DLT_CHOICE_SENTINEL { NULL, NULL, 0 }
+
+static struct dlt_choice dlt_choices[] = {
+ DLT_CHOICE(DLT_NULL, "BSD loopback"),
+ DLT_CHOICE(DLT_EN10MB, "Ethernet"),
+ DLT_CHOICE(DLT_IEEE802, "Token ring"),
+ DLT_CHOICE(DLT_ARCNET, "ARCNET"),
+ DLT_CHOICE(DLT_SLIP, "SLIP"),
+ DLT_CHOICE(DLT_PPP, "PPP"),
+ DLT_CHOICE(DLT_FDDI, "FDDI"),
+ DLT_CHOICE(DLT_ATM_RFC1483, "RFC 1483 IP-over-ATM"),
+ DLT_CHOICE(DLT_RAW, "Raw IP"),
+#ifdef DLT_SLIP_BSDOS
+ DLT_CHOICE(DLT_SLIP_BSDOS, "BSD/OS SLIP"),
+#endif
+#ifdef DLT_PPP_BSDOS
+ DLT_CHOICE(DLT_PPP_BSDOS, "BSD/OS PPP"),
+#endif
+#ifdef DLT_ATM_CLIP
+ DLT_CHOICE(DLT_ATM_CLIP, "Linux Classical IP-over-ATM"),
+#endif
+#ifdef DLT_PPP_SERIAL
+ DLT_CHOICE(DLT_PPP_SERIAL, "PPP over serial"),
+#endif
+#ifdef DLT_PPP_ETHER
+ DLT_CHOICE(DLT_PPP_ETHER, "PPPoE"),
+#endif
+#ifdef DLT_C_HDLC
+ DLT_CHOICE(DLT_C_HDLC, "Cisco HDLC"),
+#endif
+#ifdef DLT_IEEE802_11
+ DLT_CHOICE(DLT_IEEE802_11, "802.11"),
+#endif
+#ifdef DLT_FRELAY
+ DLT_CHOICE(DLT_FRELAY, "Frame Relay"),
+#endif
+#ifdef DLT_LOOP
+ DLT_CHOICE(DLT_LOOP, "OpenBSD loopback"),
+#endif
+#ifdef DLT_ENC
+ DLT_CHOICE(DLT_ENC, "OpenBSD encapsulated IP"),
+#endif
+#ifdef DLT_LINUX_SLL
+ DLT_CHOICE(DLT_LINUX_SLL, "Linux cooked"),
+#endif
+#ifdef DLT_LTALK
+ DLT_CHOICE(DLT_LTALK, "Localtalk"),
+#endif
+#ifdef DLT_PFLOG
+ DLT_CHOICE(DLT_PFLOG, "OpenBSD pflog file"),
+#endif
+#ifdef DLT_PRISM_HEADER
+ DLT_CHOICE(DLT_PRISM_HEADER, "802.11 plus Prism header"),
+#endif
+#ifdef DLT_IP_OVER_FC
+ DLT_CHOICE(DLT_IP_OVER_FC, "RFC 2625 IP-over-Fibre Channel"),
+#endif
+#ifdef DLT_SUNATM
+ DLT_CHOICE(DLT_SUNATM, "Sun raw ATM"),
+#endif
+#ifdef DLT_IEEE802_11_RADIO
+ DLT_CHOICE(DLT_IEEE802_11_RADIO, "802.11 plus radio information header"),
+#endif
+#ifdef DLT_ARCNET_LINUX
+ DLT_CHOICE(DLT_ARCNET_LINUX, "Linux ARCNET"),
+#endif
+#ifdef DLT_LINUX_IRDA
+ DLT_CHOICE(DLT_LINUX_IRDA, "Linux IrDA"),
+#endif
+#ifdef DLT_LANE8023
+ DLT_CHOICE(DLT_LANE8023, "Linux 802.3 LANE"),
+#endif
+#ifdef DLT_CIP
+ DLT_CHOICE(DLT_CIP, "Linux Classical IP-over-ATM"),
+#endif
+#ifdef DLT_HDLC
+ DLT_CHOICE(DLT_HDLC, "Cisco HDLC"),
+#endif
+ DLT_CHOICE_SENTINEL
+};
+
+#ifndef HAVE_PCAP_DATALINK_NAME_TO_VAL
+int
+pcap_datalink_name_to_val(const char *name)
+{
+ int i;
+
+ for (i = 0; dlt_choices[i].name != NULL; i++) {
+ if (strcasecmp(dlt_choices[i].name + sizeof("DLT_") - 1,
+ name) == 0)
+ return (dlt_choices[i].dlt);
+ }
+ return (-1);
+}
+
+const char *
+pcap_datalink_val_to_name(int dlt)
+{
+ int i;
+
+ for (i = 0; dlt_choices[i].name != NULL; i++) {
+ if (dlt_choices[i].dlt == dlt)
+ return (dlt_choices[i].name + sizeof("DLT_") - 1);
+ }
+ return (NULL);
+}
+#endif
+
+const char *
+pcap_datalink_val_to_description(int dlt)
+{
+ int i;
+
+ for (i = 0; dlt_choices[i].name != NULL; i++) {
+ if (dlt_choices[i].dlt == dlt)
+ return (dlt_choices[i].description);
+ }
+ return (NULL);
+}
diff --git a/missing/getaddrinfo.c b/missing/getaddrinfo.c
new file mode 100644
index 0000000..8830322
--- /dev/null
+++ b/missing/getaddrinfo.c
@@ -0,0 +1,1115 @@
+/*
+ * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
+ * 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 project 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 PROJECT 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 PROJECT 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 FAITH" part is local hack for supporting IPv4-v6 translator.
+ *
+ * Issues to be discussed:
+ * - Thread safe-ness must be checked.
+ * - Return values. There are nonstandard return values defined and used
+ * in the source code. This is because RFC2553 is silent about which error
+ * code must be returned for which situation.
+ * Note:
+ * - We use getipnodebyname() just for thread-safeness. There's no intent
+ * to let it do PF_UNSPEC (actually we never pass PF_UNSPEC to
+ * getipnodebyname().
+ * - The code filters out AFs that are not supported by the kernel,
+ * when globbing NULL hostname (to loopback, or wildcard). Is it the right
+ * thing to do? What is the relationship with post-RFC2553 AI_ADDRCONFIG
+ * in ai_flags?
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#ifndef lint
+static const char rcsid[] _U_ =
+ "@(#) $Header: /tcpdump/master/tcpdump/missing/getaddrinfo.c,v 1.13 2003/11/16 09:36:48 guy Exp $";
+#endif
+
+#include <sys/types.h>
+#include <sys/param.h>
+#if 0
+#include <sys/sysctl.h>
+#endif
+#include <sys/socket.h>
+#include <net/if.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+#include <netdb.h>
+#include <resolv.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <ctype.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <errno.h>
+
+#ifndef HAVE_U_INT32_T
+#include "bittypes.h"
+#endif
+
+#ifndef HAVE_SOCKADDR_STORAGE
+#include "sockstorage.h"
+#endif
+
+#ifdef NEED_ADDRINFO_H
+#include "addrinfo.h"
+#endif
+
+#if defined(__KAME__) && defined(INET6)
+# define FAITH
+#endif
+
+#define SUCCESS 0
+#define ANY 0
+#define YES 1
+#define NO 0
+
+#ifdef FAITH
+static int translate = NO;
+static struct in6_addr faith_prefix = IN6ADDR_ANY_INIT;
+#endif
+
+static const char in_addrany[] = { 0, 0, 0, 0 };
+static const char in6_addrany[] = {
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+static const char in_loopback[] = { 127, 0, 0, 1 };
+static const char in6_loopback[] = {
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1
+};
+
+struct sockinet {
+ u_char si_len;
+ u_char si_family;
+ u_short si_port;
+ u_int32_t si_scope_id;
+};
+
+static const struct afd {
+ int a_af;
+ int a_addrlen;
+ int a_socklen;
+ int a_off;
+ const char *a_addrany;
+ const char *a_loopback;
+ int a_scoped;
+} afdl [] = {
+#ifdef INET6
+ {PF_INET6, sizeof(struct in6_addr),
+ sizeof(struct sockaddr_in6),
+ offsetof(struct sockaddr_in6, sin6_addr),
+ in6_addrany, in6_loopback, 1},
+#endif
+ {PF_INET, sizeof(struct in_addr),
+ sizeof(struct sockaddr_in),
+ offsetof(struct sockaddr_in, sin_addr),
+ in_addrany, in_loopback, 0},
+ {0, 0, 0, 0, NULL, NULL, 0},
+};
+
+struct explore {
+ int e_af;
+ int e_socktype;
+ int e_protocol;
+ const char *e_protostr;
+ int e_wild;
+#define WILD_AF(ex) ((ex)->e_wild & 0x01)
+#define WILD_SOCKTYPE(ex) ((ex)->e_wild & 0x02)
+#define WILD_PROTOCOL(ex) ((ex)->e_wild & 0x04)
+};
+
+static const struct explore explore[] = {
+#if 0
+ { PF_LOCAL, 0, ANY, ANY, NULL, 0x01 },
+#endif
+#ifdef INET6
+ { PF_INET6, SOCK_DGRAM, IPPROTO_UDP, "udp", 0x07 },
+ { PF_INET6, SOCK_STREAM, IPPROTO_TCP, "tcp", 0x07 },
+ { PF_INET6, SOCK_RAW, ANY, NULL, 0x05 },
+#endif
+ { PF_INET, SOCK_DGRAM, IPPROTO_UDP, "udp", 0x07 },
+ { PF_INET, SOCK_STREAM, IPPROTO_TCP, "tcp", 0x07 },
+ { PF_INET, SOCK_RAW, ANY, NULL, 0x05 },
+ { -1, 0, 0, NULL, 0 },
+};
+
+#ifdef INET6
+#define PTON_MAX 16
+#else
+#define PTON_MAX 4
+#endif
+
+
+static int str_isnumber (const char *);
+static int explore_fqdn (const struct addrinfo *, const char *,
+ const char *, struct addrinfo **);
+static int explore_null (const struct addrinfo *, const char *,
+ const char *, struct addrinfo **);
+static int explore_numeric (const struct addrinfo *, const char *,
+ const char *, struct addrinfo **);
+static int explore_numeric_scope (const struct addrinfo *, const char *,
+ const char *, struct addrinfo **);
+static int get_name (const char *, const struct afd *, struct addrinfo **,
+ char *, const struct addrinfo *, const char *);
+static int get_canonname (const struct addrinfo *,
+ struct addrinfo *, const char *);
+static struct addrinfo *get_ai (const struct addrinfo *,
+ const struct afd *, const char *);
+static int get_portmatch (const struct addrinfo *, const char *);
+static int get_port (struct addrinfo *, const char *, int);
+static const struct afd *find_afd (int);
+
+static char *ai_errlist[] = {
+ "Success",
+ "Address family for hostname not supported", /* EAI_ADDRFAMILY */
+ "Temporary failure in name resolution", /* EAI_AGAIN */
+ "Invalid value for ai_flags", /* EAI_BADFLAGS */
+ "Non-recoverable failure in name resolution", /* EAI_FAIL */
+ "ai_family not supported", /* EAI_FAMILY */
+ "Memory allocation failure", /* EAI_MEMORY */
+ "No address associated with hostname", /* EAI_NODATA */
+ "hostname nor servname provided, or not known", /* EAI_NONAME */
+ "servname not supported for ai_socktype", /* EAI_SERVICE */
+ "ai_socktype not supported", /* EAI_SOCKTYPE */
+ "System error returned in errno", /* EAI_SYSTEM */
+ "Invalid value for hints", /* EAI_BADHINTS */
+ "Resolved protocol is unknown", /* EAI_PROTOCOL */
+ "Unknown error", /* EAI_MAX */
+};
+
+/* XXX macros that make external reference is BAD. */
+
+#define GET_AI(ai, afd, addr) \
+do { \
+ /* external reference: pai, error, and label free */ \
+ (ai) = get_ai(pai, (afd), (addr)); \
+ if ((ai) == NULL) { \
+ error = EAI_MEMORY; \
+ goto free; \
+ } \
+} while (0)
+
+#define GET_PORT(ai, serv) \
+do { \
+ /* external reference: error and label free */ \
+ error = get_port((ai), (serv), 0); \
+ if (error != 0) \
+ goto free; \
+} while (0)
+
+#define GET_CANONNAME(ai, str) \
+do { \
+ /* external reference: pai, error and label free */ \
+ error = get_canonname(pai, (ai), (str)); \
+ if (error != 0) \
+ goto free; \
+} while (0)
+
+#define ERR(err) \
+do { \
+ /* external reference: error, and label bad */ \
+ error = (err); \
+ goto bad; \
+} while (0)
+
+#define MATCH_FAMILY(x, y, w) \
+ ((x) == (y) || ((w) && ((x) == PF_UNSPEC || (y) == PF_UNSPEC)))
+#define MATCH(x, y, w) \
+ ((x) == (y) || ((w) && ((x) == ANY || (y) == ANY)))
+
+char *
+gai_strerror(ecode)
+ int ecode;
+{
+ if (ecode < 0 || ecode > EAI_MAX)
+ ecode = EAI_MAX;
+ return ai_errlist[ecode];
+}
+
+void
+freeaddrinfo(ai)
+ struct addrinfo *ai;
+{
+ struct addrinfo *next;
+
+ do {
+ next = ai->ai_next;
+ if (ai->ai_canonname)
+ free(ai->ai_canonname);
+ /* no need to free(ai->ai_addr) */
+ free(ai);
+ } while ((ai = next) != NULL);
+}
+
+static int
+str_isnumber(p)
+ const char *p;
+{
+ char *q = (char *)p;
+ while (*q) {
+ if (! isdigit(*q))
+ return NO;
+ q++;
+ }
+ return YES;
+}
+
+int
+getaddrinfo(hostname, servname, hints, res)
+ const char *hostname, *servname;
+ const struct addrinfo *hints;
+ struct addrinfo **res;
+{
+ struct addrinfo sentinel;
+ struct addrinfo *cur;
+ int error = 0;
+ struct addrinfo ai;
+ struct addrinfo ai0;
+ struct addrinfo *pai;
+ const struct afd *afd;
+ const struct explore *ex;
+
+#ifdef FAITH
+ static int firsttime = 1;
+
+ if (firsttime) {
+ /* translator hack */
+ char *q = getenv("GAI");
+ if (q && inet_pton(AF_INET6, q, &faith_prefix) == 1)
+ translate = YES;
+ firsttime = 0;
+ }
+#endif
+
+ sentinel.ai_next = NULL;
+ cur = &sentinel;
+ pai = &ai;
+ pai->ai_flags = 0;
+ pai->ai_family = PF_UNSPEC;
+ pai->ai_socktype = ANY;
+ pai->ai_protocol = ANY;
+ pai->ai_addrlen = 0;
+ pai->ai_canonname = NULL;
+ pai->ai_addr = NULL;
+ pai->ai_next = NULL;
+
+ if (hostname == NULL && servname == NULL)
+ return EAI_NONAME;
+ if (hints) {
+ /* error check for hints */
+ if (hints->ai_addrlen || hints->ai_canonname ||
+ hints->ai_addr || hints->ai_next)
+ ERR(EAI_BADHINTS); /* xxx */
+ if (hints->ai_flags & ~AI_MASK)
+ ERR(EAI_BADFLAGS);
+ switch (hints->ai_family) {
+ case PF_UNSPEC:
+ case PF_INET:
+#ifdef INET6
+ case PF_INET6:
+#endif
+ break;
+ default:
+ ERR(EAI_FAMILY);
+ }
+ memcpy(pai, hints, sizeof(*pai));
+
+ /*
+ * if both socktype/protocol are specified, check if they
+ * are meaningful combination.
+ */
+ if (pai->ai_socktype != ANY && pai->ai_protocol != ANY) {
+ for (ex = explore; ex->e_af >= 0; ex++) {
+ if (pai->ai_family != ex->e_af)
+ continue;
+ if (ex->e_socktype == ANY)
+ continue;
+ if (ex->e_protocol == ANY)
+ continue;
+ if (pai->ai_socktype == ex->e_socktype
+ && pai->ai_protocol != ex->e_protocol) {
+ ERR(EAI_BADHINTS);
+ }
+ }
+ }
+ }
+
+ /*
+ * check for special cases. (1) numeric servname is disallowed if
+ * socktype/protocol are left unspecified. (2) servname is disallowed
+ * for raw and other inet{,6} sockets.
+ */
+ if (MATCH_FAMILY(pai->ai_family, PF_INET, 1)
+#ifdef PF_INET6
+ || MATCH_FAMILY(pai->ai_family, PF_INET6, 1)
+#endif
+ ) {
+ ai0 = *pai;
+
+ if (pai->ai_family == PF_UNSPEC) {
+#ifdef PF_INET6
+ pai->ai_family = PF_INET6;
+#else
+ pai->ai_family = PF_INET;
+#endif
+ }
+ error = get_portmatch(pai, servname);
+ if (error)
+ ERR(error);
+
+ *pai = ai0;
+ }
+
+ ai0 = *pai;
+
+ /* NULL hostname, or numeric hostname */
+ for (ex = explore; ex->e_af >= 0; ex++) {
+ *pai = ai0;
+
+ if (!MATCH_FAMILY(pai->ai_family, ex->e_af, WILD_AF(ex)))
+ continue;
+ if (!MATCH(pai->ai_socktype, ex->e_socktype, WILD_SOCKTYPE(ex)))
+ continue;
+ if (!MATCH(pai->ai_protocol, ex->e_protocol, WILD_PROTOCOL(ex)))
+ continue;
+
+ if (pai->ai_family == PF_UNSPEC)
+ pai->ai_family = ex->e_af;
+ if (pai->ai_socktype == ANY && ex->e_socktype != ANY)
+ pai->ai_socktype = ex->e_socktype;
+ if (pai->ai_protocol == ANY && ex->e_protocol != ANY)
+ pai->ai_protocol = ex->e_protocol;
+
+ if (hostname == NULL)
+ error = explore_null(pai, hostname, servname, &cur->ai_next);
+ else
+ error = explore_numeric_scope(pai, hostname, servname, &cur->ai_next);
+
+ if (error)
+ goto free;
+
+ while (cur && cur->ai_next)
+ cur = cur->ai_next;
+ }
+
+ /*
+ * XXX
+ * If numreic representation of AF1 can be interpreted as FQDN
+ * representation of AF2, we need to think again about the code below.
+ */
+ if (sentinel.ai_next)
+ goto good;
+
+ if (pai->ai_flags & AI_NUMERICHOST)
+ ERR(EAI_NONAME);
+ if (hostname == NULL)
+ ERR(EAI_NONAME);
+
+ /*
+ * hostname as alphabetical name.
+ * we would like to prefer AF_INET6 than AF_INET, so we'll make a
+ * outer loop by AFs.
+ */
+ for (afd = afdl; afd->a_af; afd++) {
+ *pai = ai0;
+
+ if (!MATCH_FAMILY(pai->ai_family, afd->a_af, 1))
+ continue;
+
+ for (ex = explore; ex->e_af >= 0; ex++) {
+ *pai = ai0;
+
+ if (pai->ai_family == PF_UNSPEC)
+ pai->ai_family = afd->a_af;
+
+ if (!MATCH_FAMILY(pai->ai_family, ex->e_af, WILD_AF(ex)))
+ continue;
+ if (!MATCH(pai->ai_socktype, ex->e_socktype,
+ WILD_SOCKTYPE(ex))) {
+ continue;
+ }
+ if (!MATCH(pai->ai_protocol, ex->e_protocol,
+ WILD_PROTOCOL(ex))) {
+ continue;
+ }
+
+ if (pai->ai_family == PF_UNSPEC)
+ pai->ai_family = ex->e_af;
+ if (pai->ai_socktype == ANY && ex->e_socktype != ANY)
+ pai->ai_socktype = ex->e_socktype;
+ if (pai->ai_protocol == ANY && ex->e_protocol != ANY)
+ pai->ai_protocol = ex->e_protocol;
+
+ error = explore_fqdn(pai, hostname, servname,
+ &cur->ai_next);
+
+ while (cur && cur->ai_next)
+ cur = cur->ai_next;
+ }
+ }
+
+ /* XXX */
+ if (sentinel.ai_next)
+ error = 0;
+
+ if (error)
+ goto free;
+ if (error == 0) {
+ if (sentinel.ai_next) {
+ good:
+ *res = sentinel.ai_next;
+ return SUCCESS;
+ } else
+ error = EAI_FAIL;
+ }
+ free:
+ bad:
+ if (sentinel.ai_next)
+ freeaddrinfo(sentinel.ai_next);
+ *res = NULL;
+ return error;
+}
+
+/*
+ * FQDN hostname, DNS lookup
+ */
+static int
+explore_fqdn(pai, hostname, servname, res)
+ const struct addrinfo *pai;
+ const char *hostname;
+ const char *servname;
+ struct addrinfo **res;
+{
+ struct hostent *hp;
+ int h_error;
+ int af;
+ char **aplist = NULL, *apbuf = NULL;
+ char *ap;
+ struct addrinfo sentinel, *cur;
+ int i;
+#ifndef USE_GETIPNODEBY
+ int naddrs;
+#endif
+ const struct afd *afd;
+ int error;
+
+ *res = NULL;
+ sentinel.ai_next = NULL;
+ cur = &sentinel;
+
+ /*
+ * Do not filter unsupported AFs here. We need to honor content of
+ * databases (/etc/hosts, DNS and others). Otherwise we cannot
+ * replace gethostbyname() by getaddrinfo().
+ */
+
+ /*
+ * if the servname does not match socktype/protocol, ignore it.
+ */
+ if (get_portmatch(pai, servname) != 0)
+ return 0;
+
+ afd = find_afd(pai->ai_family);
+
+ /*
+ * post-RFC2553: should look at (pai->ai_flags & AI_ADDRCONFIG)
+ * rather than hardcoding it. we may need to add AI_ADDRCONFIG
+ * handling code by ourselves in case we don't have getipnodebyname().
+ */
+#ifdef USE_GETIPNODEBY
+ hp = getipnodebyname(hostname, pai->ai_family, AI_ADDRCONFIG, &h_error);
+#else
+#ifdef HAVE_GETHOSTBYNAME2
+ hp = gethostbyname2(hostname, pai->ai_family);
+#else
+ if (pai->ai_family != AF_INET)
+ return 0;
+ hp = gethostbyname(hostname);
+#ifdef HAVE_H_ERRNO
+ h_error = h_errno;
+#else
+ h_error = EINVAL;
+#endif
+#endif /*HAVE_GETHOSTBYNAME2*/
+#endif /*USE_GETIPNODEBY*/
+
+ if (hp == NULL) {
+ switch (h_error) {
+ case HOST_NOT_FOUND:
+ case NO_DATA:
+ error = EAI_NODATA;
+ break;
+ case TRY_AGAIN:
+ error = EAI_AGAIN;
+ break;
+ case NO_RECOVERY:
+ case NETDB_INTERNAL:
+ default:
+ error = EAI_FAIL;
+ break;
+ }
+ } else if ((hp->h_name == NULL) || (hp->h_name[0] == 0)
+ || (hp->h_addr_list[0] == NULL)) {
+#ifdef USE_GETIPNODEBY
+ freehostent(hp);
+#endif
+ hp = NULL;
+ error = EAI_FAIL;
+ }
+
+ if (hp == NULL)
+ goto free;
+
+#ifdef USE_GETIPNODEBY
+ aplist = hp->h_addr_list;
+#else
+ /*
+ * hp will be overwritten if we use gethostbyname2().
+ * always deep copy for simplification.
+ */
+ for (naddrs = 0; hp->h_addr_list[naddrs] != NULL; naddrs++)
+ ;
+ naddrs++;
+ aplist = (char **)malloc(sizeof(aplist[0]) * naddrs);
+ apbuf = (char *)malloc(hp->h_length * naddrs);
+ if (aplist == NULL || apbuf == NULL) {
+ error = EAI_MEMORY;
+ goto free;
+ }
+ memset(aplist, 0, sizeof(aplist[0]) * naddrs);
+ for (i = 0; i < naddrs; i++) {
+ if (hp->h_addr_list[i] == NULL) {
+ aplist[i] = NULL;
+ continue;
+ }
+ memcpy(&apbuf[i * hp->h_length], hp->h_addr_list[i],
+ hp->h_length);
+ aplist[i] = &apbuf[i * hp->h_length];
+ }
+#endif
+
+ for (i = 0; aplist[i] != NULL; i++) {
+ af = hp->h_addrtype;
+ ap = aplist[i];
+#ifdef AF_INET6
+ if (af == AF_INET6
+ && IN6_IS_ADDR_V4MAPPED((struct in6_addr *)ap)) {
+ af = AF_INET;
+ ap = ap + sizeof(struct in6_addr)
+ - sizeof(struct in_addr);
+ }
+#endif
+
+ if (af != pai->ai_family)
+ continue;
+
+ if ((pai->ai_flags & AI_CANONNAME) == 0) {
+ GET_AI(cur->ai_next, afd, ap);
+ GET_PORT(cur->ai_next, servname);
+ } else {
+ /*
+ * if AI_CANONNAME and if reverse lookup
+ * fail, return ai anyway to pacify
+ * calling application.
+ *
+ * XXX getaddrinfo() is a name->address
+ * translation function, and it looks
+ * strange that we do addr->name
+ * translation here.
+ */
+ get_name(ap, afd, &cur->ai_next,
+ ap, pai, servname);
+ }
+
+ while (cur && cur->ai_next)
+ cur = cur->ai_next;
+ }
+
+ *res = sentinel.ai_next;
+ return 0;
+
+free:
+#ifdef USE_GETIPNODEBY
+ if (hp)
+ freehostent(hp);
+#endif
+ if (aplist)
+ free(aplist);
+ if (apbuf)
+ free(apbuf);
+ if (sentinel.ai_next)
+ freeaddrinfo(sentinel.ai_next);
+ return error;
+}
+
+/*
+ * hostname == NULL.
+ * passive socket -> anyaddr (0.0.0.0 or ::)
+ * non-passive socket -> localhost (127.0.0.1 or ::1)
+ */
+static int
+explore_null(pai, hostname, servname, res)
+ const struct addrinfo *pai;
+ const char *hostname;
+ const char *servname;
+ struct addrinfo **res;
+{
+ int s;
+ const struct afd *afd;
+ struct addrinfo *cur;
+ struct addrinfo sentinel;
+ int error;
+
+ *res = NULL;
+ sentinel.ai_next = NULL;
+ cur = &sentinel;
+
+ /*
+ * filter out AFs that are not supported by the kernel
+ * XXX errno?
+ */
+ s = socket(pai->ai_family, SOCK_DGRAM, 0);
+ if (s < 0) {
+ if (errno != EMFILE)
+ return 0;
+ } else
+ close(s);
+
+ /*
+ * if the servname does not match socktype/protocol, ignore it.
+ */
+ if (get_portmatch(pai, servname) != 0)
+ return 0;
+
+ afd = find_afd(pai->ai_family);
+
+ if (pai->ai_flags & AI_PASSIVE) {
+ GET_AI(cur->ai_next, afd, afd->a_addrany);
+ /* xxx meaningless?
+ * GET_CANONNAME(cur->ai_next, "anyaddr");
+ */
+ GET_PORT(cur->ai_next, servname);
+ } else {
+ GET_AI(cur->ai_next, afd, afd->a_loopback);
+ /* xxx meaningless?
+ * GET_CANONNAME(cur->ai_next, "localhost");
+ */
+ GET_PORT(cur->ai_next, servname);
+ }
+ cur = cur->ai_next;
+
+ *res = sentinel.ai_next;
+ return 0;
+
+free:
+ if (sentinel.ai_next)
+ freeaddrinfo(sentinel.ai_next);
+ return error;
+}
+
+/*
+ * numeric hostname
+ */
+static int
+explore_numeric(pai, hostname, servname, res)
+ const struct addrinfo *pai;
+ const char *hostname;
+ const char *servname;
+ struct addrinfo **res;
+{
+ const struct afd *afd;
+ struct addrinfo *cur;
+ struct addrinfo sentinel;
+ int error;
+ char pton[PTON_MAX];
+ int flags;
+
+ *res = NULL;
+ sentinel.ai_next = NULL;
+ cur = &sentinel;
+
+ /*
+ * if the servname does not match socktype/protocol, ignore it.
+ */
+ if (get_portmatch(pai, servname) != 0)
+ return 0;
+
+ afd = find_afd(pai->ai_family);
+ flags = pai->ai_flags;
+
+ if (inet_pton(afd->a_af, hostname, pton) == 1) {
+ u_int32_t v4a;
+#ifdef INET6
+ u_char pfx;
+#endif
+
+ switch (afd->a_af) {
+ case AF_INET:
+ v4a = (u_int32_t)ntohl(((struct in_addr *)pton)->s_addr);
+ if (IN_MULTICAST(v4a) || IN_EXPERIMENTAL(v4a))
+ flags &= ~AI_CANONNAME;
+ v4a >>= IN_CLASSA_NSHIFT;
+ if (v4a == 0 || v4a == IN_LOOPBACKNET)
+ flags &= ~AI_CANONNAME;
+ break;
+#ifdef INET6
+ case AF_INET6:
+ pfx = ((struct in6_addr *)pton)->s6_addr[0];
+ if (pfx == 0 || pfx == 0xfe || pfx == 0xff)
+ flags &= ~AI_CANONNAME;
+ break;
+#endif
+ }
+
+ if (pai->ai_family == afd->a_af ||
+ pai->ai_family == PF_UNSPEC /*?*/) {
+ if ((flags & AI_CANONNAME) == 0) {
+ GET_AI(cur->ai_next, afd, pton);
+ GET_PORT(cur->ai_next, servname);
+ } else {
+ /*
+ * if AI_CANONNAME and if reverse lookup
+ * fail, return ai anyway to pacify
+ * calling application.
+ *
+ * XXX getaddrinfo() is a name->address
+ * translation function, and it looks
+ * strange that we do addr->name
+ * translation here.
+ */
+ get_name(pton, afd, &cur->ai_next,
+ pton, pai, servname);
+ }
+ while (cur && cur->ai_next)
+ cur = cur->ai_next;
+ } else
+ ERR(EAI_FAMILY); /*xxx*/
+ }
+
+ *res = sentinel.ai_next;
+ return 0;
+
+free:
+bad:
+ if (sentinel.ai_next)
+ freeaddrinfo(sentinel.ai_next);
+ return error;
+}
+
+/*
+ * numeric hostname with scope
+ */
+static int
+explore_numeric_scope(pai, hostname, servname, res)
+ const struct addrinfo *pai;
+ const char *hostname;
+ const char *servname;
+ struct addrinfo **res;
+{
+#ifndef SCOPE_DELIMITER
+ return explore_numeric(pai, hostname, servname, res);
+#else
+ const struct afd *afd;
+ struct addrinfo *cur;
+ int error;
+ char *cp, *hostname2 = NULL;
+ int scope;
+ struct sockaddr_in6 *sin6;
+
+ /*
+ * if the servname does not match socktype/protocol, ignore it.
+ */
+ if (get_portmatch(pai, servname) != 0)
+ return 0;
+
+ afd = find_afd(pai->ai_family);
+ if (!afd->a_scoped)
+ return explore_numeric(pai, hostname, servname, res);
+
+ cp = strchr(hostname, SCOPE_DELIMITER);
+ if (cp == NULL)
+ return explore_numeric(pai, hostname, servname, res);
+
+ /*
+ * Handle special case of <scoped_address><delimiter><scope id>
+ */
+ hostname2 = strdup(hostname);
+ if (hostname2 == NULL)
+ return EAI_MEMORY;
+ /* terminate at the delimiter */
+ hostname2[cp - hostname] = '\0';
+
+ cp++;
+ switch (pai->ai_family) {
+#ifdef INET6
+ case AF_INET6:
+ scope = if_nametoindex(cp);
+ if (scope == 0) {
+ free(hostname2);
+ return (EAI_NONAME);
+ }
+ break;
+#endif
+ }
+
+ error = explore_numeric(pai, hostname2, servname, res);
+ if (error == 0) {
+ for (cur = *res; cur; cur = cur->ai_next) {
+ if (cur->ai_family != AF_INET6)
+ continue;
+ sin6 = (struct sockaddr_in6 *)cur->ai_addr;
+ if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) ||
+ IN6_IS_ADDR_MC_LINKLOCAL(&sin6->sin6_addr))
+ sin6->sin6_scope_id = scope;
+ }
+ }
+
+ free(hostname2);
+
+ return error;
+#endif
+}
+
+static int
+get_name(addr, afd, res, numaddr, pai, servname)
+ const char *addr;
+ const struct afd *afd;
+ struct addrinfo **res;
+ char *numaddr;
+ const struct addrinfo *pai;
+ const char *servname;
+{
+ struct hostent *hp = NULL;
+ struct addrinfo *cur = NULL;
+ int error = 0;
+ char *ap = NULL, *cn = NULL;
+#ifdef USE_GETIPNODEBY
+ int h_error;
+
+ hp = getipnodebyaddr(addr, afd->a_addrlen, afd->a_af, &h_error);
+#else
+ hp = gethostbyaddr(addr, afd->a_addrlen, afd->a_af);
+#endif
+ if (hp && hp->h_name && hp->h_name[0] && hp->h_addr_list[0]) {
+#ifdef USE_GETIPNODEBY
+ GET_AI(cur, afd, hp->h_addr_list[0]);
+ GET_PORT(cur, servname);
+ GET_CANONNAME(cur, hp->h_name);
+#else
+ /* hp will be damaged if we use gethostbyaddr() */
+ if ((ap = (char *)malloc(hp->h_length)) == NULL) {
+ error = EAI_MEMORY;
+ goto free;
+ }
+ memcpy(ap, hp->h_addr_list[0], hp->h_length);
+ if ((cn = strdup(hp->h_name)) == NULL) {
+ error = EAI_MEMORY;
+ goto free;
+ }
+
+ GET_AI(cur, afd, ap);
+ GET_PORT(cur, servname);
+ GET_CANONNAME(cur, cn);
+ free(ap); ap = NULL;
+ free(cn); cn = NULL;
+#endif
+ } else {
+ GET_AI(cur, afd, numaddr);
+ GET_PORT(cur, servname);
+ }
+
+#ifdef USE_GETIPNODEBY
+ if (hp)
+ freehostent(hp);
+#endif
+ *res = cur;
+ return SUCCESS;
+ free:
+ if (cur)
+ freeaddrinfo(cur);
+ if (ap)
+ free(ap);
+ if (cn)
+ free(cn);
+#ifdef USE_GETIPNODEBY
+ if (hp)
+ freehostent(hp);
+#endif
+ *res = NULL;
+ return error;
+}
+
+static int
+get_canonname(pai, ai, str)
+ const struct addrinfo *pai;
+ struct addrinfo *ai;
+ const char *str;
+{
+ if ((pai->ai_flags & AI_CANONNAME) != 0) {
+ ai->ai_canonname = (char *)malloc(strlen(str) + 1);
+ if (ai->ai_canonname == NULL)
+ return EAI_MEMORY;
+ strcpy(ai->ai_canonname, str);
+ }
+ return 0;
+}
+
+static struct addrinfo *
+get_ai(pai, afd, addr)
+ const struct addrinfo *pai;
+ const struct afd *afd;
+ const char *addr;
+{
+ char *p;
+ struct addrinfo *ai;
+
+ ai = (struct addrinfo *)malloc(sizeof(struct addrinfo)
+ + (afd->a_socklen));
+ if (ai == NULL)
+ return NULL;
+
+ memcpy(ai, pai, sizeof(struct addrinfo));
+ ai->ai_addr = (struct sockaddr *)(ai + 1);
+ memset(ai->ai_addr, 0, afd->a_socklen);
+#ifdef HAVE_SOCKADDR_SA_LEN
+ ai->ai_addr->sa_len = afd->a_socklen;
+#endif
+ ai->ai_addrlen = afd->a_socklen;
+ ai->ai_addr->sa_family = ai->ai_family = afd->a_af;
+ p = (char *)(ai->ai_addr);
+ memcpy(p + afd->a_off, addr, afd->a_addrlen);
+ return ai;
+}
+
+static int
+get_portmatch(ai, servname)
+ const struct addrinfo *ai;
+ const char *servname;
+{
+
+ /* get_port does not touch first argument. when matchonly == 1. */
+ return get_port((struct addrinfo *)ai, servname, 1);
+}
+
+static int
+get_port(ai, servname, matchonly)
+ struct addrinfo *ai;
+ const char *servname;
+ int matchonly;
+{
+ const char *proto;
+ struct servent *sp;
+ int port;
+ int allownumeric;
+
+ if (servname == NULL)
+ return 0;
+ switch (ai->ai_family) {
+ case AF_INET:
+#ifdef AF_INET6
+ case AF_INET6:
+#endif
+ break;
+ default:
+ return 0;
+ }
+
+ switch (ai->ai_socktype) {
+ case SOCK_RAW:
+ return EAI_SERVICE;
+ case SOCK_DGRAM:
+ case SOCK_STREAM:
+ allownumeric = 1;
+ break;
+ case ANY:
+ allownumeric = 0;
+ break;
+ default:
+ return EAI_SOCKTYPE;
+ }
+
+ if (str_isnumber(servname)) {
+ if (!allownumeric)
+ return EAI_SERVICE;
+ port = htons(atoi(servname));
+ if (port < 0 || port > 65535)
+ return EAI_SERVICE;
+ } else {
+ switch (ai->ai_socktype) {
+ case SOCK_DGRAM:
+ proto = "udp";
+ break;
+ case SOCK_STREAM:
+ proto = "tcp";
+ break;
+ default:
+ proto = NULL;
+ break;
+ }
+
+ if ((sp = getservbyname(servname, proto)) == NULL)
+ return EAI_SERVICE;
+ port = sp->s_port;
+ }
+
+ if (!matchonly) {
+ switch (ai->ai_family) {
+ case AF_INET:
+ ((struct sockaddr_in *)ai->ai_addr)->sin_port = port;
+ break;
+#ifdef INET6
+ case AF_INET6:
+ ((struct sockaddr_in6 *)ai->ai_addr)->sin6_port = port;
+ break;
+#endif
+ }
+ }
+
+ return 0;
+}
+
+static const struct afd *
+find_afd(af)
+ int af;
+{
+ const struct afd *afd;
+
+ if (af == PF_UNSPEC)
+ return NULL;
+ for (afd = afdl; afd->a_af; afd++) {
+ if (afd->a_af == af)
+ return afd;
+ }
+ return NULL;
+}
diff --git a/missing/getnameinfo.c b/missing/getnameinfo.c
new file mode 100644
index 0000000..6bd5b47
--- /dev/null
+++ b/missing/getnameinfo.c
@@ -0,0 +1,281 @@
+/*
+ * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
+ * 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 project 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 PROJECT 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 PROJECT 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.
+ */
+
+/*
+ * Issues to be discussed:
+ * - Thread safe-ness must be checked
+ * - Return values. There seems to be no standard for return value (RFC2553)
+ * but INRIA implementation returns EAI_xxx defined for getaddrinfo().
+ * - RFC2553 says that we should raise error on short buffer. X/Open says
+ * we need to truncate the result. We obey RFC2553 (and X/Open should be
+ * modified).
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#ifndef lint
+static const char rcsid[] _U_ =
+ "@(#) $Header: /tcpdump/master/tcpdump/missing/getnameinfo.c,v 1.11 2003/11/16 09:36:49 guy Exp $";
+#endif
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <net/if.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+#include <netdb.h>
+#include <resolv.h>
+#include <string.h>
+#include <stddef.h>
+#include <errno.h>
+
+#ifdef NEED_ADDRINFO_H
+#include "addrinfo.h"
+#endif
+
+#define SUCCESS 0
+#define ANY 0
+#define YES 1
+#define NO 0
+
+static struct afd {
+ int a_af;
+ int a_addrlen;
+ int a_socklen;
+ int a_off;
+} afdl [] = {
+#ifdef INET6
+ {PF_INET6, sizeof(struct in6_addr), sizeof(struct sockaddr_in6),
+ offsetof(struct sockaddr_in6, sin6_addr)},
+#endif
+ {PF_INET, sizeof(struct in_addr), sizeof(struct sockaddr_in),
+ offsetof(struct sockaddr_in, sin_addr)},
+ {0, 0, 0},
+};
+
+struct sockinet {
+ u_char si_len;
+ u_char si_family;
+ u_short si_port;
+};
+
+#define ENI_NOSOCKET 0
+#define ENI_NOSERVNAME 1
+#define ENI_NOHOSTNAME 2
+#define ENI_MEMORY 3
+#define ENI_SYSTEM 4
+#define ENI_FAMILY 5
+#define ENI_SALEN 6
+
+int
+getnameinfo(sa, salen, host, hostlen, serv, servlen, flags)
+ const struct sockaddr *sa;
+ size_t salen;
+ char *host;
+ size_t hostlen;
+ char *serv;
+ size_t servlen;
+ int flags;
+{
+ struct afd *afd;
+ struct servent *sp;
+ struct hostent *hp;
+ u_short port;
+ int family, i;
+ char *addr, *p;
+ u_int32_t v4a;
+ int h_error;
+ char numserv[512];
+ char numaddr[512];
+
+ if (sa == NULL)
+ return ENI_NOSOCKET;
+
+#ifdef HAVE_SA_LEN /*XXX*/
+ if (sa->sa_len != salen)
+ return ENI_SALEN;
+#endif
+
+ family = sa->sa_family;
+ for (i = 0; afdl[i].a_af; i++)
+ if (afdl[i].a_af == family) {
+ afd = &afdl[i];
+ goto found;
+ }
+ return ENI_FAMILY;
+
+ found:
+ if (salen != afd->a_socklen)
+ return ENI_SALEN;
+
+ port = ((struct sockinet *)sa)->si_port; /* network byte order */
+ addr = (char *)sa + afd->a_off;
+
+ if (serv == NULL || servlen == 0) {
+ /*
+ * do nothing in this case.
+ * in case you are wondering if "&&" is more correct than
+ * "||" here: RFC2553 says that serv == NULL OR servlen == 0
+ * means that the caller does not want the result.
+ */
+ } else {
+ if (flags & NI_NUMERICSERV)
+ sp = NULL;
+ else {
+ sp = getservbyport(port,
+ (flags & NI_DGRAM) ? "udp" : "tcp");
+ }
+ if (sp) {
+ if (strlen(sp->s_name) + 1 > servlen)
+ return ENI_MEMORY;
+ strcpy(serv, sp->s_name);
+ } else {
+ snprintf(numserv, sizeof(numserv), "%d", ntohs(port));
+ if (strlen(numserv) + 1 > servlen)
+ return ENI_MEMORY;
+ strcpy(serv, numserv);
+ }
+ }
+
+ switch (sa->sa_family) {
+ case AF_INET:
+ v4a = (u_int32_t)
+ ntohl(((struct sockaddr_in *)sa)->sin_addr.s_addr);
+ if (IN_MULTICAST(v4a) || IN_EXPERIMENTAL(v4a))
+ flags |= NI_NUMERICHOST;
+ v4a >>= IN_CLASSA_NSHIFT;
+ if (v4a == 0)
+ flags |= NI_NUMERICHOST;
+ break;
+#ifdef INET6
+ case AF_INET6:
+ {
+ struct sockaddr_in6 *sin6;
+ sin6 = (struct sockaddr_in6 *)sa;
+ switch (sin6->sin6_addr.s6_addr[0]) {
+ case 0x00:
+ if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr))
+ ;
+ else if (IN6_IS_ADDR_LOOPBACK(&sin6->sin6_addr))
+ ;
+ else
+ flags |= NI_NUMERICHOST;
+ break;
+ default:
+ if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
+ flags |= NI_NUMERICHOST;
+ }
+ else if (IN6_IS_ADDR_MULTICAST(&sin6->sin6_addr))
+ flags |= NI_NUMERICHOST;
+ break;
+ }
+ }
+ break;
+#endif
+ }
+ if (host == NULL || hostlen == 0) {
+ /*
+ * do nothing in this case.
+ * in case you are wondering if "&&" is more correct than
+ * "||" here: RFC2553 says that host == NULL OR hostlen == 0
+ * means that the caller does not want the result.
+ */
+ } else if (flags & NI_NUMERICHOST) {
+ /* NUMERICHOST and NAMEREQD conflicts with each other */
+ if (flags & NI_NAMEREQD)
+ return ENI_NOHOSTNAME;
+ if (inet_ntop(afd->a_af, addr, numaddr, sizeof(numaddr))
+ == NULL)
+ return ENI_SYSTEM;
+ if (strlen(numaddr) + 1 > hostlen)
+ return ENI_MEMORY;
+ strcpy(host, numaddr);
+#if defined(INET6) && defined(NI_WITHSCOPEID)
+ if (afd->a_af == AF_INET6 &&
+ (IN6_IS_ADDR_LINKLOCAL((struct in6_addr *)addr) ||
+ IN6_IS_ADDR_MULTICAST((struct in6_addr *)addr)) &&
+ ((struct sockaddr_in6 *)sa)->sin6_scope_id) {
+#ifndef ALWAYS_WITHSCOPE
+ if (flags & NI_WITHSCOPEID)
+#endif /* !ALWAYS_WITHSCOPE */
+ {
+ char *ep = strchr(host, '\0');
+ unsigned int ifindex =
+ ((struct sockaddr_in6 *)sa)->sin6_scope_id;
+
+ *ep = SCOPE_DELIMITER;
+ if ((if_indextoname(ifindex, ep + 1)) == NULL)
+ /* XXX what should we do? */
+ strncpy(ep + 1, "???", 3);
+ }
+ }
+#endif /* INET6 */
+ } else {
+#ifdef USE_GETIPNODEBY
+ hp = getipnodebyaddr(addr, afd->a_addrlen, afd->a_af, &h_error);
+#else
+ hp = gethostbyaddr(addr, afd->a_addrlen, afd->a_af);
+#ifdef HAVE_H_ERRNO
+ h_error = h_errno;
+#else
+ h_error = EINVAL;
+#endif
+#endif
+
+ if (hp) {
+ if (flags & NI_NOFQDN) {
+ p = strchr(hp->h_name, '.');
+ if (p) *p = '\0';
+ }
+ if (strlen(hp->h_name) + 1 > hostlen) {
+#ifdef USE_GETIPNODEBY
+ freehostent(hp);
+#endif
+ return ENI_MEMORY;
+ }
+ strcpy(host, hp->h_name);
+#ifdef USE_GETIPNODEBY
+ freehostent(hp);
+#endif
+ } else {
+ if (flags & NI_NAMEREQD)
+ return ENI_NOHOSTNAME;
+ if (inet_ntop(afd->a_af, addr, numaddr, sizeof(numaddr))
+ == NULL)
+ return ENI_NOHOSTNAME;
+ if (strlen(numaddr) + 1 > hostlen)
+ return ENI_MEMORY;
+ strcpy(host, numaddr);
+ }
+ }
+ return SUCCESS;
+}
diff --git a/missing/inet_aton.c b/missing/inet_aton.c
new file mode 100644
index 0000000..a4b2eeb
--- /dev/null
+++ b/missing/inet_aton.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 1995, 1996, 1997 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. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the Kungliga Tekniska
+ * Högskolan and its contributors.
+ *
+ * 4. 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.
+ */
+
+/* $Id: inet_aton.c,v 1.6 2003/11/16 09:36:49 guy Exp $ */
+
+#ifndef lint
+static const char rcsid[] _U_ =
+ "@(#) $Header: /tcpdump/master/tcpdump/missing/inet_aton.c,v 1.6 2003/11/16 09:36:49 guy Exp $";
+#endif
+
+#include <tcpdump-stdinc.h>
+
+/* Minimal implementation of inet_aton.
+ * Cannot distinguish between failure and a local broadcast address. */
+
+#ifndef INADDR_NONE
+#define INADDR_NONE 0xffffffff
+#endif
+
+int
+inet_aton(const char *cp, struct in_addr *addr)
+{
+ addr->s_addr = inet_addr(cp);
+ return (addr->s_addr == INADDR_NONE) ? 0 : 1;
+}
diff --git a/missing/inet_ntop.c b/missing/inet_ntop.c
new file mode 100644
index 0000000..8bbbad6
--- /dev/null
+++ b/missing/inet_ntop.c
@@ -0,0 +1,219 @@
+/*
+ * 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. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the Kungliga Tekniska
+ * Högskolan and its contributors.
+ *
+ * 4. 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.
+ */
+
+/* $Id: inet_ntop.c,v 1.8 2005/02/09 02:25:46 guy Exp $ */
+
+#ifndef lint
+static const char rcsid[] _U_ =
+ "@(#) $Header: /tcpdump/master/tcpdump/missing/inet_ntop.c,v 1.8 2005/02/09 02:25:46 guy Exp $";
+#endif
+
+#include <tcpdump-stdinc.h>
+
+#include <stdio.h>
+#include <errno.h>
+
+/*
+ *
+ */
+
+#ifndef IN6ADDRSZ
+#define IN6ADDRSZ 16 /* IPv6 T_AAAA */
+#endif
+
+#ifndef INT16SZ
+#define INT16SZ 2 /* word size */
+#endif
+
+static const char *
+inet_ntop_v4 (const void *src, char *dst, size_t size)
+{
+ const char digits[] = "0123456789";
+ int i;
+ struct in_addr *addr = (struct in_addr *)src;
+ u_long a = ntohl(addr->s_addr);
+ const char *orig_dst = dst;
+
+ if (size < INET_ADDRSTRLEN) {
+ errno = ENOSPC;
+ return NULL;
+ }
+ for (i = 0; i < 4; ++i) {
+ int n = (a >> (24 - i * 8)) & 0xFF;
+ int non_zerop = 0;
+
+ if (non_zerop || n / 100 > 0) {
+ *dst++ = digits[n / 100];
+ n %= 100;
+ non_zerop = 1;
+ }
+ if (non_zerop || n / 10 > 0) {
+ *dst++ = digits[n / 10];
+ n %= 10;
+ non_zerop = 1;
+ }
+ *dst++ = digits[n];
+ if (i != 3)
+ *dst++ = '.';
+ }
+ *dst++ = '\0';
+ return orig_dst;
+}
+
+#ifdef INET6
+/*
+ * Convert IPv6 binary address into presentation (printable) format.
+ */
+static const char *
+inet_ntop_v6 (const u_char *src, char *dst, size_t size)
+{
+ /*
+ * Note that int32_t and int16_t need only be "at least" large enough
+ * to contain a value of the specified size. On some systems, like
+ * Crays, there is no such thing as an integer variable with 16 bits.
+ * Keep this in mind if you think this function should have been coded
+ * to use pointer overlays. All the world's not a VAX.
+ */
+ char tmp [INET6_ADDRSTRLEN+1];
+ char *tp;
+ struct {
+ long base;
+ long len;
+ } best, cur;
+ u_long words [IN6ADDRSZ / INT16SZ];
+ int i;
+
+ /* Preprocess:
+ * Copy the input (bytewise) array into a wordwise array.
+ * Find the longest run of 0x00's in src[] for :: shorthanding.
+ */
+ memset (words, 0, sizeof(words));
+ for (i = 0; i < IN6ADDRSZ; i++)
+ words[i/2] |= (src[i] << ((1 - (i % 2)) << 3));
+
+ best.base = -1;
+ cur.base = -1;
+ for (i = 0; i < (IN6ADDRSZ / INT16SZ); i++)
+ {
+ if (words[i] == 0)
+ {
+ if (cur.base == -1)
+ cur.base = i, cur.len = 1;
+ else cur.len++;
+ }
+ else if (cur.base != -1)
+ {
+ if (best.base == -1 || cur.len > best.len)
+ best = cur;
+ cur.base = -1;
+ }
+ }
+ if ((cur.base != -1) && (best.base == -1 || cur.len > best.len))
+ best = cur;
+ if (best.base != -1 && best.len < 2)
+ best.base = -1;
+
+ /* Format the result.
+ */
+ tp = tmp;
+ for (i = 0; i < (IN6ADDRSZ / INT16SZ); i++)
+ {
+ /* Are we inside the best run of 0x00's?
+ */
+ if (best.base != -1 && i >= best.base && i < (best.base + best.len))
+ {
+ if (i == best.base)
+ *tp++ = ':';
+ continue;
+ }
+
+ /* Are we following an initial run of 0x00s or any real hex?
+ */
+ if (i != 0)
+ *tp++ = ':';
+
+ /* Is this address an encapsulated IPv4?
+ */
+ if (i == 6 && best.base == 0 &&
+ (best.len == 6 || (best.len == 5 && words[5] == 0xffff)))
+ {
+ if (!inet_ntop_v4(src+12, tp, sizeof(tmp) - (tp - tmp)))
+ {
+ errno = ENOSPC;
+ return (NULL);
+ }
+ tp += strlen(tp);
+ break;
+ }
+ tp += sprintf (tp, "%lX", words[i]);
+ }
+
+ /* Was it a trailing run of 0x00's?
+ */
+ if (best.base != -1 && (best.base + best.len) == (IN6ADDRSZ / INT16SZ))
+ *tp++ = ':';
+ *tp++ = '\0';
+
+ /* Check for overflow, copy, and we're done.
+ */
+ if ((size_t)(tp - tmp) > size)
+ {
+ errno = ENOSPC;
+ return (NULL);
+ }
+ return strcpy (dst, tmp);
+ return (NULL);
+}
+#endif /* INET6 */
+
+
+const char *
+inet_ntop(int af, const void *src, char *dst, size_t size)
+{
+ switch (af) {
+ case AF_INET :
+ return inet_ntop_v4 (src, dst, size);
+#ifdef INET6
+ case AF_INET6:
+ return inet_ntop_v6 ((const u_char*)src, dst, size);
+#endif
+ default :
+ errno = EAFNOSUPPORT;
+ return NULL;
+ }
+}
diff --git a/missing/inet_pton.c b/missing/inet_pton.c
new file mode 100644
index 0000000..1b8abd2
--- /dev/null
+++ b/missing/inet_pton.c
@@ -0,0 +1,58 @@
+/*
+ * 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. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the Kungliga Tekniska
+ * Högskolan and its contributors.
+ *
+ * 4. 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.
+ */
+
+/* $Id: inet_pton.c,v 1.6 2003/11/16 09:36:51 guy Exp $ */
+
+#ifndef lint
+static const char rcsid[] _U_ =
+ "@(#) $Header: /tcpdump/master/tcpdump/missing/inet_pton.c,v 1.6 2003/11/16 09:36:51 guy Exp $";
+#endif
+
+#include <tcpdump-stdinc.h>
+
+#include <errno.h>
+
+int
+inet_pton(int af, const char *src, void *dst)
+{
+ if (af != AF_INET) {
+ errno = EAFNOSUPPORT;
+ return -1;
+ }
+ return inet_aton (src, dst);
+}
diff --git a/missing/resolv6.h b/missing/resolv6.h
new file mode 100644
index 0000000..ccee03e
--- /dev/null
+++ b/missing/resolv6.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 1999 WIDE Project.
+ * 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 project 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 PROJECT 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 PROJECT 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.
+ */
+
+/*
+ * Resolver options for IPv6.
+ * XXX: this should be in an offical include file. There may be conflicts...
+ */
+#ifndef HAVE_RES_USE_INET6
+#define RES_USE_INET6 0x80000000 /* use/map IPv6 in gethostbyname() */
+#endif
diff --git a/missing/resolv_ext.h b/missing/resolv_ext.h
new file mode 100644
index 0000000..92c531d
--- /dev/null
+++ b/missing/resolv_ext.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 1999 WIDE Project.
+ * 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 project 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 PROJECT 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 PROJECT 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.
+ */
+
+#ifndef MAXRESOLVSORT /* XXX */
+#define MAXRESOLVSORT 10 /* number of net to sort on */
+#endif
+
+#ifndef HAVE_RES_STATE_EXT
+struct __res_state_ext {
+ struct sockaddr_storage nsaddr_list[MAXNS];
+ struct {
+ int af; /* address family for addr, mask */
+ union {
+ struct in_addr ina;
+#ifdef INET6
+ struct in6_addr in6a;
+#endif
+ } addr, mask;
+ } sort_list[MAXRESOLVSORT];
+};
+#endif
+
+extern struct __res_state_ext _res_ext;
diff --git a/missing/snprintf.c b/missing/snprintf.c
new file mode 100644
index 0000000..4f2bb32
--- /dev/null
+++ b/missing/snprintf.c
@@ -0,0 +1,632 @@
+/*
+ * Copyright (c) 1995-1999 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.
+ */
+
+/* $Id: snprintf.c,v 1.8 2003/11/16 09:36:51 guy Exp $ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#ifndef lint
+static const char rcsid[] _U_ =
+ "@(#) $Header: /tcpdump/master/tcpdump/missing/snprintf.c,v 1.8 2003/11/16 09:36:51 guy Exp $";
+#endif
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <sys/types.h>
+
+#include <interface.h>
+
+enum format_flags {
+ minus_flag = 1,
+ plus_flag = 2,
+ space_flag = 4,
+ alternate_flag = 8,
+ zero_flag = 16
+};
+
+/*
+ * Common state
+ */
+
+struct state {
+ unsigned char *str;
+ unsigned char *s;
+ unsigned char *theend;
+ size_t sz;
+ size_t max_sz;
+ int (*append_char)(struct state *, unsigned char);
+ int (*reserve)(struct state *, size_t);
+ /* XXX - methods */
+};
+
+#ifndef HAVE_VSNPRINTF
+static int
+sn_reserve (struct state *state, size_t n)
+{
+ return state->s + n > state->theend;
+}
+
+static int
+sn_append_char (struct state *state, unsigned char c)
+{
+ if (sn_reserve (state, 1)) {
+ return 1;
+ } else {
+ *state->s++ = c;
+ return 0;
+ }
+}
+#endif
+
+#if 0
+static int
+as_reserve (struct state *state, size_t n)
+{
+ if (state->s + n > state->theend) {
+ int off = state->s - state->str;
+ unsigned char *tmp;
+
+ if (state->max_sz && state->sz >= state->max_sz)
+ return 1;
+
+ state->sz = max(state->sz * 2, state->sz + n);
+ if (state->max_sz)
+ state->sz = min(state->sz, state->max_sz);
+ tmp = realloc (state->str, state->sz);
+ if (tmp == NULL)
+ return 1;
+ state->str = tmp;
+ state->s = state->str + off;
+ state->theend = state->str + state->sz - 1;
+ }
+ return 0;
+}
+
+static int
+as_append_char (struct state *state, unsigned char c)
+{
+ if(as_reserve (state, 1))
+ return 1;
+ else {
+ *state->s++ = c;
+ return 0;
+ }
+}
+#endif
+
+static int
+append_number(struct state *state,
+ unsigned long num, unsigned base, char *rep,
+ int width, int prec, int flags, int minusp)
+{
+ int len = 0;
+ int i;
+
+ /* given precision, ignore zero flag */
+ if(prec != -1)
+ flags &= ~zero_flag;
+ else
+ prec = 1;
+ /* zero value with zero precision -> "" */
+ if(prec == 0 && num == 0)
+ return 0;
+ do{
+ if((*state->append_char)(state, rep[num % base]))
+ return 1;
+ len++;
+ num /= base;
+ }while(num);
+ prec -= len;
+ /* pad with prec zeros */
+ while(prec-- > 0){
+ if((*state->append_char)(state, '0'))
+ return 1;
+ len++;
+ }
+ /* add length of alternate prefix (added later) to len */
+ if(flags & alternate_flag && (base == 16 || base == 8))
+ len += base / 8;
+ /* pad with zeros */
+ if(flags & zero_flag){
+ width -= len;
+ if(minusp || (flags & space_flag) || (flags & plus_flag))
+ width--;
+ while(width-- > 0){
+ if((*state->append_char)(state, '0'))
+ return 1;
+ len++;
+ }
+ }
+ /* add alternate prefix */
+ if(flags & alternate_flag && (base == 16 || base == 8)){
+ if(base == 16)
+ if((*state->append_char)(state, rep[10] + 23)) /* XXX */
+ return 1;
+ if((*state->append_char)(state, '0'))
+ return 1;
+ }
+ /* add sign */
+ if(minusp){
+ if((*state->append_char)(state, '-'))
+ return 1;
+ len++;
+ } else if(flags & plus_flag) {
+ if((*state->append_char)(state, '+'))
+ return 1;
+ len++;
+ } else if(flags & space_flag) {
+ if((*state->append_char)(state, ' '))
+ return 1;
+ len++;
+ }
+ if(flags & minus_flag)
+ /* swap before padding with spaces */
+ for(i = 0; i < len / 2; i++){
+ char c = state->s[-i-1];
+ state->s[-i-1] = state->s[-len+i];
+ state->s[-len+i] = c;
+ }
+ width -= len;
+ while(width-- > 0){
+ if((*state->append_char)(state, ' '))
+ return 1;
+ len++;
+ }
+ if(!(flags & minus_flag))
+ /* swap after padding with spaces */
+ for(i = 0; i < len / 2; i++){
+ char c = state->s[-i-1];
+ state->s[-i-1] = state->s[-len+i];
+ state->s[-len+i] = c;
+ }
+
+ return 0;
+}
+
+static int
+append_string (struct state *state,
+ unsigned char *arg,
+ int width,
+ int prec,
+ int flags)
+{
+ if(prec != -1)
+ width -= prec;
+ else
+ width -= strlen((char *)arg);
+ if(!(flags & minus_flag))
+ while(width-- > 0)
+ if((*state->append_char) (state, ' '))
+ return 1;
+ if (prec != -1) {
+ while (*arg && prec--)
+ if ((*state->append_char) (state, *arg++))
+ return 1;
+ } else {
+ while (*arg)
+ if ((*state->append_char) (state, *arg++))
+ return 1;
+ }
+ if(flags & minus_flag)
+ while(width-- > 0)
+ if((*state->append_char) (state, ' '))
+ return 1;
+ return 0;
+}
+
+static int
+append_char(struct state *state,
+ unsigned char arg,
+ int width,
+ int flags)
+{
+ while(!(flags & minus_flag) && --width > 0)
+ if((*state->append_char) (state, ' '))
+ return 1;
+
+ if((*state->append_char) (state, arg))
+ return 1;
+ while((flags & minus_flag) && --width > 0)
+ if((*state->append_char) (state, ' '))
+ return 1;
+
+ return 0;
+}
+
+/*
+ * This can't be made into a function...
+ */
+
+#define PARSE_INT_FORMAT(res, arg, unsig) \
+if (long_flag) \
+ res = (unsig long)va_arg(arg, unsig long); \
+else if (short_flag) \
+ res = (unsig short)va_arg(arg, unsig int); \
+else \
+ res = (unsig int)va_arg(arg, unsig int)
+
+/*
+ * zyxprintf - return 0 or -1
+ */
+
+static int
+xyzprintf (struct state *state, const char *char_format, va_list ap)
+{
+ const unsigned char *format = (const unsigned char *)char_format;
+ unsigned char c;
+
+ while((c = *format++)) {
+ if (c == '%') {
+ int flags = 0;
+ int width = 0;
+ int prec = -1;
+ int long_flag = 0;
+ int short_flag = 0;
+
+ /* flags */
+ while((c = *format++)){
+ if(c == '-')
+ flags |= minus_flag;
+ else if(c == '+')
+ flags |= plus_flag;
+ else if(c == ' ')
+ flags |= space_flag;
+ else if(c == '#')
+ flags |= alternate_flag;
+ else if(c == '0')
+ flags |= zero_flag;
+ else
+ break;
+ }
+
+ if((flags & space_flag) && (flags & plus_flag))
+ flags ^= space_flag;
+
+ if((flags & minus_flag) && (flags & zero_flag))
+ flags ^= zero_flag;
+
+ /* width */
+ if (isdigit(c))
+ do {
+ width = width * 10 + c - '0';
+ c = *format++;
+ } while(isdigit(c));
+ else if(c == '*') {
+ width = va_arg(ap, int);
+ c = *format++;
+ }
+
+ /* precision */
+ if (c == '.') {
+ prec = 0;
+ c = *format++;
+ if (isdigit(c))
+ do {
+ prec = prec * 10 + c - '0';
+ c = *format++;
+ } while(isdigit(c));
+ else if (c == '*') {
+ prec = va_arg(ap, int);
+ c = *format++;
+ }
+ }
+
+ /* size */
+
+ if (c == 'h') {
+ short_flag = 1;
+ c = *format++;
+ } else if (c == 'l') {
+ long_flag = 1;
+ c = *format++;
+ }
+
+ switch (c) {
+ case 'c' :
+ if(append_char(state, va_arg(ap, int), width, flags))
+ return -1;
+ break;
+ case 's' :
+ if (append_string(state,
+ va_arg(ap, unsigned char*),
+ width,
+ prec,
+ flags))
+ return -1;
+ break;
+ case 'd' :
+ case 'i' : {
+ long arg;
+ unsigned long num;
+ int minusp = 0;
+
+ PARSE_INT_FORMAT(arg, ap, signed);
+
+ if (arg < 0) {
+ minusp = 1;
+ num = -arg;
+ } else
+ num = arg;
+
+ if (append_number (state, num, 10, "0123456789",
+ width, prec, flags, minusp))
+ return -1;
+ break;
+ }
+ case 'u' : {
+ unsigned long arg;
+
+ PARSE_INT_FORMAT(arg, ap, unsigned);
+
+ if (append_number (state, arg, 10, "0123456789",
+ width, prec, flags, 0))
+ return -1;
+ break;
+ }
+ case 'o' : {
+ unsigned long arg;
+
+ PARSE_INT_FORMAT(arg, ap, unsigned);
+
+ if (append_number (state, arg, 010, "01234567",
+ width, prec, flags, 0))
+ return -1;
+ break;
+ }
+ case 'x' : {
+ unsigned long arg;
+
+ PARSE_INT_FORMAT(arg, ap, unsigned);
+
+ if (append_number (state, arg, 0x10, "0123456789abcdef",
+ width, prec, flags, 0))
+ return -1;
+ break;
+ }
+ case 'X' :{
+ unsigned long arg;
+
+ PARSE_INT_FORMAT(arg, ap, unsigned);
+
+ if (append_number (state, arg, 0x10, "0123456789ABCDEF",
+ width, prec, flags, 0))
+ return -1;
+ break;
+ }
+ case 'p' : {
+ unsigned long arg = (unsigned long)va_arg(ap, void*);
+
+ if (append_number (state, arg, 0x10, "0123456789ABCDEF",
+ width, prec, flags, 0))
+ return -1;
+ break;
+ }
+ case 'n' : {
+ int *arg = va_arg(ap, int*);
+ *arg = state->s - state->str;
+ break;
+ }
+ case '\0' :
+ --format;
+ /* FALLTHROUGH */
+ case '%' :
+ if ((*state->append_char)(state, c))
+ return -1;
+ break;
+ default :
+ if ( (*state->append_char)(state, '%')
+ || (*state->append_char)(state, c))
+ return -1;
+ break;
+ }
+ } else
+ if ((*state->append_char) (state, c))
+ return -1;
+ }
+ return 0;
+}
+
+#ifndef HAVE_SNPRINTF
+int
+snprintf (char *str, size_t sz, const char *format, ...)
+{
+ va_list args;
+ int ret;
+
+ va_start(args, format);
+ ret = vsnprintf (str, sz, format, args);
+
+#ifdef PARANOIA
+ {
+ int ret2;
+ char *tmp;
+
+ tmp = malloc (sz);
+ if (tmp == NULL)
+ abort ();
+
+ ret2 = vsprintf (tmp, format, args);
+ if (ret != ret2 || strcmp(str, tmp))
+ abort ();
+ free (tmp);
+ }
+#endif
+
+ va_end(args);
+ return ret;
+}
+#endif
+
+#if 0
+#ifndef HAVE_ASPRINTF
+int
+asprintf (char **ret, const char *format, ...)
+{
+ va_list args;
+ int val;
+
+ va_start(args, format);
+ val = vasprintf (ret, format, args);
+
+#ifdef PARANOIA
+ {
+ int ret2;
+ char *tmp;
+ tmp = malloc (val + 1);
+ if (tmp == NULL)
+ abort ();
+
+ ret2 = vsprintf (tmp, format, args);
+ if (val != ret2 || strcmp(*ret, tmp))
+ abort ();
+ free (tmp);
+ }
+#endif
+
+ va_end(args);
+ return val;
+}
+#endif
+
+#ifndef HAVE_ASNPRINTF
+int
+asnprintf (char **ret, size_t max_sz, const char *format, ...)
+{
+ va_list args;
+ int val;
+
+ va_start(args, format);
+ val = vasnprintf (ret, max_sz, format, args);
+
+#ifdef PARANOIA
+ {
+ int ret2;
+ char *tmp;
+ tmp = malloc (val + 1);
+ if (tmp == NULL)
+ abort ();
+
+ ret2 = vsprintf (tmp, format, args);
+ if (val != ret2 || strcmp(*ret, tmp))
+ abort ();
+ free (tmp);
+ }
+#endif
+
+ va_end(args);
+ return val;
+}
+#endif
+
+#ifndef HAVE_VASPRINTF
+int
+vasprintf (char **ret, const char *format, va_list args)
+{
+ return vasnprintf (ret, 0, format, args);
+}
+#endif
+
+
+#ifndef HAVE_VASNPRINTF
+int
+vasnprintf (char **ret, size_t max_sz, const char *format, va_list args)
+{
+ int st;
+ size_t len;
+ struct state state;
+
+ state.max_sz = max_sz;
+ state.sz = 1;
+ state.str = malloc(state.sz);
+ if (state.str == NULL) {
+ *ret = NULL;
+ return -1;
+ }
+ state.s = state.str;
+ state.theend = state.s + state.sz - 1;
+ state.append_char = as_append_char;
+ state.reserve = as_reserve;
+
+ st = xyzprintf (&state, format, args);
+ if (st) {
+ free (state.str);
+ *ret = NULL;
+ return -1;
+ } else {
+ char *tmp;
+
+ *state.s = '\0';
+ len = state.s - state.str;
+ tmp = realloc (state.str, len+1);
+ if (tmp == NULL) {
+ free (state.str);
+ *ret = NULL;
+ return -1;
+ }
+ *ret = tmp;
+ return len;
+ }
+}
+#endif
+#endif
+
+#ifndef HAVE_VSNPRINTF
+int
+vsnprintf (char *str, size_t sz, const char *format, va_list args)
+{
+ struct state state;
+ int ret;
+ unsigned char *ustr = (unsigned char *)str;
+
+ state.max_sz = 0;
+ state.sz = sz;
+ state.str = ustr;
+ state.s = ustr;
+ state.theend = ustr + sz - 1;
+ state.append_char = sn_append_char;
+ state.reserve = sn_reserve;
+
+ ret = xyzprintf (&state, format, args);
+ *state.s = '\0';
+ if (ret)
+ return sz;
+ else
+ return state.s - state.str;
+}
+#endif
+
diff --git a/missing/sockstorage.h b/missing/sockstorage.h
new file mode 100644
index 0000000..e733328
--- /dev/null
+++ b/missing/sockstorage.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 1999 WIDE Project.
+ * 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 project 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 PROJECT 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 PROJECT 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.
+ */
+struct sockaddr_storage {
+#ifdef HAVE_SOCKADDR_SA_LEN
+ u_int8_t ss_len;
+ u_int8_t ss_family;
+ u_int8_t fill[126];
+#else
+ u_int8_t ss_family;
+ u_int8_t fill[127];
+#endif /* HAVE_SOCKADDR_SA_LEN */
+};
diff --git a/missing/strdup.c b/missing/strdup.c
new file mode 100644
index 0000000..103c3b2
--- /dev/null
+++ b/missing/strdup.c
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 1988, 1993
+ * The Regents of the University of California. 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. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] =
+ "@(#) $Header: /tcpdump/master/tcpdump/missing/strdup.c,v 1.1 2001/01/20 07:26:08 guy Exp $ (LBL)";
+#endif /* LIBC_SCCS and not lint */
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "interface.h"
+
+char *
+strdup(str)
+ const char *str;
+{
+ size_t len;
+ char *copy;
+
+ len = strlen(str) + 1;
+ if ((copy = malloc(len)) == NULL)
+ return (NULL);
+ memcpy(copy, str, len);
+ return (copy);
+}
diff --git a/missing/strlcat.c b/missing/strlcat.c
new file mode 100644
index 0000000..fca2e8a
--- /dev/null
+++ b/missing/strlcat.c
@@ -0,0 +1,76 @@
+/* $NetBSD: strlcat.c,v 1.5 1999/09/20 04:39:47 lukem Exp $ */
+/* from OpenBSD: strlcat.c,v 1.2 1999/06/17 16:28:58 millert Exp */
+
+/*
+ * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
+ * 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. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``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 AUTHOR 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.
+ */
+
+#ifndef lint
+static const char rcsid[] _U_ =
+ "@(#) $Header: /tcpdump/master/tcpdump/missing/strlcat.c,v 1.5 2003/11/16 09:36:51 guy Exp $ (LBL)";
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <tcpdump-stdinc.h>
+
+#include <string.h>
+
+/*
+ * Appends src to string dst of size siz (unlike strncat, siz is the
+ * full size of dst, not space left). At most siz-1 characters
+ * will be copied. Always NUL terminates (unless siz == 0).
+ * Returns strlen(src); if retval >= siz, truncation occurred.
+ */
+size_t
+strlcat(char *dst, const char *src, size_t siz)
+{
+ register char *d = dst;
+ register const char *s = src;
+ register size_t n = siz;
+ size_t dlen;
+
+ /* Find the end of dst and adjust bytes left but don't go past end */
+ while (*d != '\0' && n-- != 0)
+ d++;
+ dlen = d - dst;
+ n = siz - dlen;
+
+ if (n == 0)
+ return(dlen + strlen(s));
+ while (*s != '\0') {
+ if (n != 1) {
+ *d++ = *s;
+ n--;
+ }
+ s++;
+ }
+ *d = '\0';
+
+ return(dlen + (s - src)); /* count does not include NUL */
+}
diff --git a/missing/strlcpy.c b/missing/strlcpy.c
new file mode 100644
index 0000000..3f1809a
--- /dev/null
+++ b/missing/strlcpy.c
@@ -0,0 +1,73 @@
+/* $NetBSD: strlcpy.c,v 1.5 1999/09/20 04:39:47 lukem Exp $ */
+/* from OpenBSD: strlcpy.c,v 1.4 1999/05/01 18:56:41 millert Exp */
+
+/*
+ * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
+ * 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. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``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 AUTHOR 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.
+ */
+
+#ifndef lint
+static const char rcsid[] _U_ =
+ "@(#) $Header: /tcpdump/master/tcpdump/missing/strlcpy.c,v 1.5 2003/11/16 09:36:52 guy Exp $ (LBL)";
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <tcpdump-stdinc.h>
+
+#include <string.h>
+
+/*
+ * Copy src to string dst of size siz. At most siz-1 characters
+ * will be copied. Always NUL terminates (unless siz == 0).
+ * Returns strlen(src); if retval >= siz, truncation occurred.
+ */
+size_t
+strlcpy(char *dst, const char *src, size_t siz)
+{
+ register char *d = dst;
+ register const char *s = src;
+ register size_t n = siz;
+
+ /* Copy as many bytes as will fit */
+ if (n != 0 && --n != 0) {
+ do {
+ if ((*d++ = *s++) == 0)
+ break;
+ } while (--n != 0);
+ }
+
+ /* Not enough room in dst, add NUL and traverse rest of src */
+ if (n == 0) {
+ if (siz != 0)
+ *d = '\0'; /* NUL-terminate dst */
+ while (*s++)
+ ;
+ }
+
+ return(s - src - 1); /* count does not include NUL */
+}
diff --git a/missing/strsep.c b/missing/strsep.c
new file mode 100644
index 0000000..19fb6b2
--- /dev/null
+++ b/missing/strsep.c
@@ -0,0 +1,83 @@
+/*-
+ * Copyright (c) 1990, 1993
+ * The Regents of the University of California. 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. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] =
+ "@(#) $Header: /tcpdump/master/tcpdump/missing/strsep.c,v 1.3 2003/03/25 08:33:48 guy Exp $ (LBL)";
+#endif /* LIBC_SCCS and not lint */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <tcpdump-stdinc.h>
+
+#include <string.h>
+
+/*
+ * Get next token from string *stringp, where tokens are possibly-empty
+ * strings separated by characters from delim.
+ *
+ * Writes NULs into the string at *stringp to end tokens.
+ * delim need not remain constant from call to call.
+ * On return, *stringp points past the last NUL written (if there might
+ * be further tokens), or is NULL (if there are definitely no more tokens).
+ *
+ * If *stringp is NULL, strsep returns NULL.
+ */
+char *
+strsep(char **stringp, const char *delim)
+{
+ register char *s;
+ register const char *spanp;
+ register int c, sc;
+ char *tok;
+
+ if ((s = *stringp) == NULL)
+ return (NULL);
+ for (tok = s;;) {
+ c = *s++;
+ spanp = delim;
+ do {
+ if ((sc = *spanp++) == c) {
+ if (c == 0)
+ s = NULL;
+ else
+ s[-1] = 0;
+ *stringp = s;
+ return (tok);
+ }
+ } while (sc != 0);
+ }
+ /* NOTREACHED */
+}