Add CAP_FCNTL and use cap_fcntls_limit().

[tcpdump] / interface.h

diff --git a/interface.h b/interface.h
index c94369e86f6ff6843c097cc0992b4840ec1f2002..33ddb77634ca3fa200bebbe5ca9a38ea49e01c40 100644 (file)
--- a/interface.h
+++ b/interface.h
@@ -1,5 +1,5 @@
 /*
 /*

- * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
+ * Copyright (c) 1988-2002

  *     The Regents of the University of California.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  *     The Regents of the University of California.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without


@@ -17,8 +17,6 @@
  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

- *
- * @(#) $Header: /tcpdump/master/tcpdump/interface.h,v 1.160 2001-06-12 05:17:17 guy Exp $ (LBL)

  */
 
 #ifndef tcpdump_interface_h
  */
 
 #ifndef tcpdump_interface_h


@@ -27,62 +25,46 @@
 #ifdef HAVE_OS_PROTO_H
 #include "os-proto.h"
 #endif
 #ifdef HAVE_OS_PROTO_H
 #include "os-proto.h"
 #endif

-#include <sys/types.h>
-#include <sys/time.h>
-
-#ifndef HAVE___ATTRIBUTE__
-#define __attribute__(x)
-#endif

 
 /* snprintf et al */
 
 #include <stdarg.h>
 
 
 /* snprintf et al */
 
 #include <stdarg.h>
 

-#if !defined(HAVE_SNPRINTF)
-int snprintf (char *str, size_t sz, const char *format, ...)
-     __attribute__ ((format (printf, 3, 4)));
+#if HAVE_STDINT_H
+#include <stdint.h>

 #endif
 
 #endif
 

+#if !defined(HAVE_SNPRINTF)
+int snprintf(char *, size_t, const char *, ...)
+#ifdef __ATTRIBUTE___FORMAT_OK
+     __attribute__((format(printf, 3, 4)))
+#endif /* __ATTRIBUTE___FORMAT_OK */
+     ;
+#endif /* !defined(HAVE_SNPRINTF) */
+

 #if !defined(HAVE_VSNPRINTF)
 #if !defined(HAVE_VSNPRINTF)

-int vsnprintf (char *str, size_t sz, const char *format, va_list ap)
-     __attribute__((format (printf, 3, 0)));
-#endif
+int vsnprintf(char *, size_t, const char *, va_list)
+#ifdef __ATTRIBUTE___FORMAT_OK
+     __attribute__((format(printf, 3, 0)))
+#endif /* __ATTRIBUTE___FORMAT_OK */
+     ;
+#endif /* !defined(HAVE_VSNPRINTF) */

 
 #ifndef HAVE_STRLCAT
 
 #ifndef HAVE_STRLCAT

-extern size_t strlcat (char *, const char *, size_t);
+extern size_t strlcat(char *, const char *, size_t);

 #endif
 #ifndef HAVE_STRLCPY
 #endif
 #ifndef HAVE_STRLCPY

-extern size_t strlcpy (char *, const char *, size_t);
+extern size_t strlcpy(char *, const char *, size_t);

 #endif
 
 #ifndef HAVE_STRDUP
 #endif
 
 #ifndef HAVE_STRDUP

-extern char *strdup (const char *str);
+extern char *strdup(const char *);

 #endif
 
 #endif
 

-struct tok {
-       int v;                  /* value */
-       char *s;                /* string */
-};
+#ifndef HAVE_STRSEP
+extern char *strsep(char **, const char *);
+#endif

 
 

-extern int aflag;              /* translate network and broadcast addresses */
-extern int dflag;              /* print filter code */
-extern int eflag;              /* print ethernet header */
-extern int fflag;              /* don't translate "foreign" IP address */
-extern int nflag;              /* leave addresses as numbers */
-extern int Nflag;              /* remove domains from printed host names */
-extern int qflag;              /* quick (shorter) output */
-extern int Rflag;              /* print sequence # field in AH/ESP*/
-extern int sflag;              /* use the libsmi to translate OIDs */
-extern int Sflag;              /* print raw TCP sequence numbers */
-extern int tflag;              /* print packet arrival time */
-extern int uflag;              /* Print undecoded NFS handles */
-extern int vflag;              /* verbose */
-extern int xflag;              /* print packet in hex */
-extern int Xflag;              /* print packet in hex/ascii */
-
-extern char *espsecret;
-
-extern int packettype;         /* as specified by -T */

 #define PT_VAT         1       /* Visual Audio Tool */
 #define PT_WB          2       /* distributed White Board */
 #define PT_RPC         3       /* Remote Procedure Call */
 #define PT_VAT         1       /* Visual Audio Tool */
 #define PT_WB          2       /* distributed White Board */
 #define PT_RPC         3       /* Remote Procedure Call */


@@ -90,30 +72,15 @@ extern int packettype;              /* as specified by -T */
 #define PT_RTCP                5       /* Real-Time Applications control protocol */
 #define PT_SNMP                6       /* Simple Network Management Protocol */
 #define PT_CNFP                7       /* Cisco NetFlow protocol */
 #define PT_RTCP                5       /* Real-Time Applications control protocol */
 #define PT_SNMP                6       /* Simple Network Management Protocol */
 #define PT_CNFP                7       /* Cisco NetFlow protocol */

-
-#ifndef min
-#define min(a,b) ((a)>(b)?(b):(a))
-#endif
-#ifndef max
-#define max(a,b) ((b)>(a)?(b):(a))
-#endif
-
-#ifndef INET6
-/*
- * The default snapshot length.  This value allows most printers to print
- * useful information while keeping the amount of unwanted data down.
- * In particular, it allows for an ethernet header, tcp/ip header, and
- * 14 bytes of data (assuming no ip options).
- */
-#define DEFAULT_SNAPLEN 68
-#else
-#define DEFAULT_SNAPLEN 96
-#endif
-
-#ifndef BIG_ENDIAN
-#define BIG_ENDIAN 4321
-#define LITTLE_ENDIAN 1234
-#endif
+#define PT_TFTP                8       /* trivial file transfer protocol */
+#define PT_AODV                9       /* Ad-hoc On-demand Distance Vector Protocol */
+#define PT_CARP                10      /* Common Address Redundancy Protocol */
+#define PT_RADIUS      11      /* RADIUS authentication Protocol */
+#define PT_ZMTP1       12      /* ZeroMQ Message Transport Protocol 1.0 */
+#define PT_VXLAN       13      /* Virtual eXtensible Local Area Network */
+#define PT_PGM         14      /* [UDP-encapsulated] Pragmatic General Multicast */
+#define PT_PGM_ZMTP1   15      /* ZMTP/1.0 inside PGM (native or UDP-encapsulated) */
+#define PT_LMP         16      /* Link Management Protocol */

 
 #define ESRC(ep) ((ep)->ether_shost)
 #define EDST(ep) ((ep)->ether_dhost)
 
 #define ESRC(ep) ((ep)->ether_shost)
 #define EDST(ep) ((ep)->ether_dhost)


@@ -130,13 +97,16 @@ extern char *program_name; /* used to generate self-identifying messages */
 
 extern int32_t thiszone;       /* seconds offset from gmt to local time */
 
 
 extern int32_t thiszone;       /* seconds offset from gmt to local time */
 

-extern int snaplen;
-/* global pointers to beginning and end of current packet (during printing) */
-extern const u_char *packetp;
-extern const u_char *snapend;
-
-/* True if  "l" bytes of "var" were captured */
-#define TTEST2(var, l) ((u_char *)&(var) <= snapend - (l))
+/*
+ * True if  "l" bytes of "var" were captured.
+ *
+ * The "snapend - (l) <= snapend" checks to make sure "l" isn't so large
+ * that "snapend - (l)" underflows.
+ *
+ * The check is for <= rather than < because "l" might be 0.
+ */
+#define TTEST2(var, l) (snapend - (l) <= snapend && \
+                       (const u_char *)&(var) <= snapend - (l))

 
 /* True if "var" was captured */
 #define TTEST(var) TTEST2(var, sizeof(var))
 
 /* True if "var" was captured */
 #define TTEST(var) TTEST2(var, sizeof(var))


@@ -147,151 +117,101 @@ extern const u_char *snapend;
 /* Bail if "var" was not captured */
 #define TCHECK(var) TCHECK2(var, sizeof(var))
 
 /* Bail if "var" was not captured */
 #define TCHECK(var) TCHECK2(var, sizeof(var))
 

-extern void ts_print(const struct timeval *);
-extern void relts_print(int);
-
-extern int fn_print(const u_char *, const u_char *);
-extern int fn_printn(const u_char *, u_int, const u_char *);
-extern const char *tok2str(const struct tok *, const char *, int);
-extern char *dnaddr_string(u_short);
-
-extern void wrapup(int);
+extern int mask2plen(uint32_t);
+extern const char *tok2strary_internal(const char **, int, const char *, int);
+#define        tok2strary(a,f,i) tok2strary_internal(a, sizeof(a)/sizeof(a[0]),f,i)

 
 extern void error(const char *, ...)
 
 extern void error(const char *, ...)

-    __attribute__((noreturn, format (printf, 1, 2)));
-extern void warning(const char *, ...) __attribute__ ((format (printf, 1, 2)));
+     __attribute__((noreturn))
+#ifdef __ATTRIBUTE___FORMAT_OK
+     __attribute__((format (printf, 1, 2)))
+#endif /* __ATTRIBUTE___FORMAT_OK */
+     ;
+extern void warning(const char *, ...)
+#ifdef __ATTRIBUTE___FORMAT_OK
+     __attribute__((format (printf, 1, 2)))
+#endif /* __ATTRIBUTE___FORMAT_OK */
+     ;

 
 extern char *read_infile(char *);
 extern char *copy_argv(char **);
 
 
 extern char *read_infile(char *);
 extern char *copy_argv(char **);
 

-extern void safeputchar(int);
-extern void safeputs(const char *);
+extern const char *dnname_string(u_short);
+extern const char *dnnum_string(u_short);

 
 

-extern char *isonsap_string(const u_char *);
-extern char *llcsap_string(u_char);
-extern char *protoid_string(const u_char *);
-extern char *dnname_string(u_short);
-extern char *dnnum_string(u_short);
+/* checksum routines */
+extern void init_checksum(void);
+extern uint16_t verify_crc10_cksum(uint16_t, const u_char *, int);
+extern uint16_t create_osi_cksum(const uint8_t *, int, int);

 
 /* The printer routines. */
 
 #include <pcap.h>
 
 
 /* The printer routines. */
 
 #include <pcap.h>
 

-extern void ascii_print_with_offset(const u_char *, u_int, u_int);    
-extern void ascii_print(const u_char *, u_int);    
-extern void hex_print_with_offset(const u_char *, u_int, u_int);    
-extern void telnet_print(const u_char *, u_int);    
-extern void hex_print(const u_char *, u_int);    
-extern int ether_encap_print(u_short, const u_char *, u_int, u_int, u_short *);
-extern int llc_print(const u_char *, u_int, u_int, const u_char *,
-       const u_char *, u_short *);
-extern void aarp_print(const u_char *, u_int);
-extern void arp_print(const u_char *, u_int, u_int);
-extern void atalk_print(const u_char *, u_int);
-extern void atm_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
-extern void bootp_print(const u_char *, u_int, u_short, u_short);
-extern void bgp_print(const u_char *, int);
-extern void bxxp_print(const u_char *, u_int);
-extern void cnfp_print(const u_char *cp, u_int len, const u_char *bp);
-extern void decnet_print(const u_char *, u_int, u_int);
-extern void default_print(const u_char *, u_int);
-extern void default_print_unaligned(const u_char *, u_int);
-extern void dvmrp_print(const u_char *, u_int);
-extern void egp_print(const u_char *, u_int, const u_char *);
-extern void arcnet_if_print(u_char *, const struct pcap_pkthdr *,
-       const u_char *);
-extern void ether_if_print(u_char *, const struct pcap_pkthdr *,
-       const u_char *);
-extern void token_if_print(u_char *, const struct pcap_pkthdr *,
-       const u_char *);
-extern void fddi_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
-extern void ieee802_11_if_print(u_char *, const struct pcap_pkthdr *,
-       const u_char *);
-extern void gre_print(const u_char *, u_int);
-extern void icmp_print(const u_char *, u_int, const u_char *);
-extern void igmp_print(const u_char *, u_int, const u_char *);
-extern void igrp_print(const u_char *, u_int, const u_char *);
-extern void ip_print(const u_char *, u_int);
-extern void ipN_print(const u_char *, u_int);
-extern void ipx_print(const u_char *, u_int);
-extern void isoclns_print(const u_char *, u_int, u_int, const u_char *,
-       const u_char *);
-extern void krb_print(const u_char *, u_int);
-extern void llap_print(const u_char *, u_int);
-extern void nfsreply_print(const u_char *, u_int, const u_char *);
-extern void nfsreq_print(const u_char *, u_int, const u_char *);
-extern void ns_print(const u_char *, u_int);
-extern void ntp_print(const u_char *, u_int);
-extern void null_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
-extern void ospf_print(const u_char *, u_int, const u_char *);
-extern void pimv1_print(const u_char *, u_int);
-extern void cisco_autorp_print(const u_char *, u_int);
-extern void mobile_print(const u_char *, u_int);
-extern void pim_print(const u_char *, u_int);
-extern void pppoe_print(const u_char *, u_int);
-extern void ppp_print(register const u_char *, u_int);
-extern void ppp_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
-extern void ppp_hdlc_if_print(u_char *, const struct pcap_pkthdr *,
-       const u_char *);
-extern void ppp_bsdos_if_print(u_char *, const struct pcap_pkthdr *,
-       const u_char *);
-extern int vjc_print(register const char *, register u_int, u_short);
-extern void raw_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
-extern void rip_print(const u_char *, u_int);
-extern void sl_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
-extern void lane_if_print(u_char *, const struct pcap_pkthdr *,const u_char *);
-extern void cip_if_print(u_char *, const struct pcap_pkthdr *,const u_char *);
-extern void sl_bsdos_if_print(u_char *, const struct pcap_pkthdr *,
-    const u_char *);
-extern void chdlc_if_print(u_char *, const struct pcap_pkthdr *,
-    const u_char *);
-extern void sll_if_print(u_char *, const struct pcap_pkthdr *, const u_char *);
-extern void snmp_print(const u_char *, u_int);
-extern void sunrpcrequest_print(const u_char *, u_int, const u_char *);
-extern void tcp_print(const u_char *, u_int, const u_char *, int);
-extern void tftp_print(const u_char *, u_int);
-extern void timed_print(const u_char *, u_int);
-extern void udp_print(const u_char *, u_int, const u_char *, int);
-extern void wb_print(const void *, u_int);
-extern int ah_print(register const u_char *, register const u_char *);
-extern int esp_print(register const u_char *, register const u_char *, int *);
-extern void isakmp_print(const u_char *, u_int, const u_char *);
-extern int ipcomp_print(register const u_char *, register const u_char *, int *);
-extern void rx_print(register const u_char *, int, int, int, u_char *);
-extern void netbeui_print(u_short, const u_char *, int);
-extern void ipx_netbios_print(const u_char *, u_int);
-extern void nbt_tcp_print(const u_char *, int);
-extern void nbt_udp137_print(const u_char *data, int);
-extern void nbt_udp138_print(const u_char *data, int);

 extern char *smb_errstr(int, int);
 extern char *smb_errstr(int, int);

-extern void print_data(const unsigned char *, int);
-extern void l2tp_print(const u_char *, u_int);
-extern void lcp_print(const u_char *, u_int);
-extern void vrrp_print(const u_char *bp, u_int len, int ttl);
-extern void cdp_print(const u_char *, u_int, u_int, const u_char *,
-       const u_char *);
-extern void stp_print(const u_char *p, u_int length);
-extern void radius_print(const u_char *, u_int);
-extern void lwres_print(const u_char *, u_int);
-extern void pptp_print(const u_char *, u_int);
-extern void sctp_print(const u_char *, const u_char *, u_int);
+extern const char *nt_errstr(uint32_t);

 
 #ifdef INET6
 
 #ifdef INET6

-extern void ip6_print(const u_char *, int);
-extern void ip6_opt_print(const u_char *, int);
-extern int hbhopt_print(const u_char *);
-extern int dstopt_print(const u_char *);
-extern int frag6_print(const u_char *, const u_char *);
-extern void icmp6_print(const u_char *, const u_char *);
-extern void ripng_print(const u_char *, int);
-extern int rt6_print(const u_char *, const u_char *);
-extern void ospf6_print(const u_char *, u_int);
-extern void dhcp6_print(const u_char *, u_int, u_int16_t, u_int16_t);
+extern int mask62plen(const u_char *);

 #endif /*INET6*/
 #endif /*INET6*/

-extern u_short in_cksum(const u_short *, register int, u_short);
+
+struct cksum_vec {
+       const uint8_t   *ptr;
+       int             len;
+};
+extern uint16_t in_cksum(const struct cksum_vec *, int);
+extern uint16_t in_cksum_shouldbe(uint16_t, uint16_t);

 
 #ifndef HAVE_BPF_DUMP
 struct bpf_program;
 
 
 #ifndef HAVE_BPF_DUMP
 struct bpf_program;
 

-extern void bpf_dump(struct bpf_program *, int);
+extern void bpf_dump(const struct bpf_program *, int);
+
+#endif
+
+#include "netdissect.h"
+
+/* forward compatibility */
+
+#ifndef NETDISSECT_REWORKED
+extern netdissect_options *gndo;
+
+#define bflag gndo->ndo_bflag
+#define eflag gndo->ndo_eflag
+#define fflag gndo->ndo_fflag
+#define jflag gndo->ndo_jflag
+#define Kflag gndo->ndo_Kflag
+#define nflag gndo->ndo_nflag
+#define Nflag gndo->ndo_Nflag
+#define Oflag gndo->ndo_Oflag
+#define pflag gndo->ndo_pflag
+#define qflag gndo->ndo_qflag
+#define Rflag gndo->ndo_Rflag
+#define sflag gndo->ndo_sflag
+#define Sflag gndo->ndo_Sflag
+#define tflag gndo->ndo_tflag
+#define Uflag gndo->ndo_Uflag
+#define uflag gndo->ndo_uflag
+#define vflag gndo->ndo_vflag
+#define xflag gndo->ndo_xflag
+#define Xflag gndo->ndo_Xflag
+#define Cflag gndo->ndo_Cflag
+#define Gflag gndo->ndo_Gflag
+#define Aflag gndo->ndo_Aflag
+#define Bflag gndo->ndo_Bflag
+#define Iflag gndo->ndo_Iflag
+#define suppress_default_print gndo->ndo_suppress_default_print
+#define packettype gndo->ndo_packettype
+#define sigsecret gndo->ndo_sigsecret
+#define Wflag gndo->ndo_Wflag
+#define WflagChars gndo->ndo_WflagChars
+#define Cflag_count gndo->ndo_Cflag_count
+#define Gflag_count gndo->ndo_Gflag_count
+#define Gflag_time gndo->ndo_Gflag_time
+#define Hflag gndo->ndo_Hflag
+#define snaplen     gndo->ndo_snaplen
+#define snapend     gndo->ndo_snapend
+
+extern void default_print(const u_char *, u_int);
+

 #endif
 #endif