forked from osmocom/wireshark
![Guy Harris](/assets/img/avatar_default.png)
Change-Id: Ibcddf1a949f775afa49d36a2d165c3685556035d Reviewed-on: https://code.wireshark.org/review/38104 Petri-Dish: Guy Harris <gharris@sonic.net> Tested-by: Petri Dish Buildbot Reviewed-by: Guy Harris <gharris@sonic.net>
2931 lines
88 KiB
C
2931 lines
88 KiB
C
/* file_access.c
|
|
*
|
|
* Wiretap Library
|
|
* Copyright (c) 1998 by Gilbert Ramirez <gram@alumni.rice.edu>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0-or-later
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
|
|
#include <errno.h>
|
|
|
|
#include <wsutil/file_util.h>
|
|
#include <wsutil/tempfile.h>
|
|
|
|
#include "wtap-int.h"
|
|
#include "file_wrappers.h"
|
|
#include <wsutil/buffer.h>
|
|
#include "lanalyzer.h"
|
|
#include "ngsniffer.h"
|
|
#include "radcom.h"
|
|
#include "ascendtext.h"
|
|
#include "nettl.h"
|
|
#include "libpcap.h"
|
|
#include "snoop.h"
|
|
#include "iptrace.h"
|
|
#include "iseries.h"
|
|
#include "netmon.h"
|
|
#include "netxray.h"
|
|
#include "toshiba.h"
|
|
#include "eyesdn.h"
|
|
#include "i4btrace.h"
|
|
#include "csids.h"
|
|
#include "pppdump.h"
|
|
#include "peekclassic.h"
|
|
#include "peektagged.h"
|
|
#include "vms.h"
|
|
#include "dbs-etherwatch.h"
|
|
#include "visual.h"
|
|
#include "cosine.h"
|
|
#include "5views.h"
|
|
#include "erf.h"
|
|
#include "hcidump.h"
|
|
#include "logcat.h"
|
|
#include "logcat_text.h"
|
|
#include "json.h"
|
|
#include "network_instruments.h"
|
|
#include "k12.h"
|
|
#include "ber.h"
|
|
#include "catapult_dct2000.h"
|
|
#include "mp4.h"
|
|
#include "mp2t.h"
|
|
#include "mpeg.h"
|
|
#include "netscreen.h"
|
|
#include "commview.h"
|
|
#include "pcapng.h"
|
|
#include "aethra.h"
|
|
#include "btsnoop.h"
|
|
#include "tnef.h"
|
|
#include "dct3trace.h"
|
|
#include "packetlogger.h"
|
|
#include "daintree-sna.h"
|
|
#include "netscaler.h"
|
|
#include "mime_file.h"
|
|
#include "ipfix.h"
|
|
#include "vwr.h"
|
|
#include "camins.h"
|
|
#include "stanag4607.h"
|
|
#include "capsa.h"
|
|
#include "pcap-encap.h"
|
|
#include "nettrace_3gpp_32_423.h"
|
|
#include "mplog.h"
|
|
#include "dpa400.h"
|
|
#include "rfc7468.h"
|
|
#include "ruby_marshal.h"
|
|
#include "systemd_journal.h"
|
|
#include "log3gpp.h"
|
|
#include "candump.h"
|
|
#include "busmaster.h"
|
|
|
|
|
|
/*
|
|
* Add an extension, and all compressed versions thereof if requested,
|
|
* to a GSList of extensions.
|
|
*/
|
|
static GSList *
|
|
add_extensions(GSList *extensions, const gchar *extension,
|
|
GSList *compression_type_extensions)
|
|
{
|
|
/*
|
|
* Add the specified extension.
|
|
*/
|
|
extensions = g_slist_prepend(extensions, g_strdup(extension));
|
|
|
|
/*
|
|
* Add whatever compressed versions we were supplied.
|
|
*/
|
|
for (GSList *compression_type_extension = compression_type_extensions;
|
|
compression_type_extension != NULL;
|
|
compression_type_extension = g_slist_next(compression_type_extension)) {
|
|
extensions = g_slist_prepend(extensions,
|
|
g_strdup_printf("%s.%s", extension,
|
|
(const char *)compression_type_extension->data));
|
|
}
|
|
|
|
return extensions;
|
|
}
|
|
|
|
/*
|
|
* File types that can be identified by file extensions.
|
|
*
|
|
* These are used in file open dialogs to offer choices of extensions
|
|
* for which to filter. Note that the first field can list more than
|
|
* one type of file, because, for example, ".cap" is a popular
|
|
* extension used by a number of capture file types.
|
|
*
|
|
* File types that *don't* have a file extension used for them should
|
|
* *not* be placed here; if there's nothing to put in the last field
|
|
* of the structure, don't put an entry here, not even one with an
|
|
* empty string for the extensions list.
|
|
*/
|
|
static const struct file_extension_info file_type_extensions_base[] = {
|
|
{ "Wireshark/tcpdump/... - pcap", TRUE, "pcap;cap;dmp" },
|
|
{ "Wireshark/... - pcapng", TRUE, "pcapng;ntar" },
|
|
{ "Network Monitor, Surveyor, NetScaler", TRUE, "cap" },
|
|
{ "InfoVista 5View capture", TRUE, "5vw" },
|
|
{ "Sniffer (DOS)", TRUE, "cap;enc;trc;fdc;syc" },
|
|
{ "Cinco NetXRay, Sniffer (Windows)", TRUE, "cap;caz" },
|
|
{ "Endace ERF capture", TRUE, "erf" },
|
|
{ "EyeSDN USB S0/E1 ISDN trace format", TRUE, "trc" },
|
|
{ "HP-UX nettl trace", TRUE, "trc0;trc1" },
|
|
{ "Network Instruments Observer", TRUE, "bfr" },
|
|
{ "Colasoft Capsa", TRUE, "cscpkt" },
|
|
{ "Novell LANalyzer", TRUE, "tr1" },
|
|
{ "Tektronix K12xx 32-bit .rf5 format", TRUE, "rf5" },
|
|
{ "Savvius *Peek", TRUE, "pkt;tpc;apc;wpz" },
|
|
{ "Catapult DCT2000 trace (.out format)", TRUE, "out" },
|
|
{ "Micropross mplog", TRUE, "mplog" },
|
|
{ "TamoSoft CommView", TRUE, "ncf" },
|
|
{ "Symbian OS btsnoop", TRUE, "log" },
|
|
{ "XML files (including Gammu DCT3 traces)", TRUE, "xml" },
|
|
{ "macOS PacketLogger", TRUE, "pklg" },
|
|
{ "Daintree SNA", TRUE, "dcf" },
|
|
{ "IPFIX File Format", TRUE, "pfx;ipfix" },
|
|
{ "Aethra .aps file", TRUE, "aps" },
|
|
{ "MPEG2 transport stream", TRUE, "mp2t;ts;mpg" },
|
|
{ "Ixia IxVeriWave .vwr Raw 802.11 Capture", TRUE, "vwr" },
|
|
{ "CAM Inspector file", TRUE, "camins" },
|
|
{ "MPEG files", FALSE, "mpg;mp3" },
|
|
{ "Transport-Neutral Encapsulation Format", FALSE, "tnef" },
|
|
{ "JPEG/JFIF files", FALSE, "jpg;jpeg;jfif" },
|
|
{ "JavaScript Object Notation file", FALSE, "json" },
|
|
{ "MP4 file", FALSE, "mp4" },
|
|
};
|
|
|
|
#define N_FILE_TYPE_EXTENSIONS (sizeof file_type_extensions_base / sizeof file_type_extensions_base[0])
|
|
|
|
static const struct file_extension_info* file_type_extensions = NULL;
|
|
|
|
static GArray* file_type_extensions_arr = NULL;
|
|
|
|
/* initialize the extensions array if it has not been initialized yet */
|
|
static void
|
|
init_file_type_extensions(void)
|
|
{
|
|
|
|
if (file_type_extensions_arr) return;
|
|
|
|
file_type_extensions_arr = g_array_new(FALSE,TRUE,sizeof(struct file_extension_info));
|
|
|
|
g_array_append_vals(file_type_extensions_arr,file_type_extensions_base,N_FILE_TYPE_EXTENSIONS);
|
|
|
|
file_type_extensions = (struct file_extension_info*)(void *)file_type_extensions_arr->data;
|
|
}
|
|
|
|
void
|
|
wtap_register_file_type_extension(const struct file_extension_info *ei)
|
|
{
|
|
init_file_type_extensions();
|
|
|
|
g_array_append_val(file_type_extensions_arr,*ei);
|
|
|
|
file_type_extensions = (const struct file_extension_info*)(void *)file_type_extensions_arr->data;
|
|
}
|
|
|
|
int
|
|
wtap_get_num_file_type_extensions(void)
|
|
{
|
|
return file_type_extensions_arr->len;
|
|
}
|
|
|
|
const char *
|
|
wtap_get_file_extension_type_name(int extension_type)
|
|
{
|
|
return file_type_extensions[extension_type].name;
|
|
}
|
|
|
|
static GSList *
|
|
add_extensions_for_file_extensions_type(int extension_type, GSList *extensions,
|
|
GSList *compression_type_extensions)
|
|
{
|
|
gchar **extensions_set, **extensionp, *extension;
|
|
|
|
/*
|
|
* Split the extension-list string into a set of extensions.
|
|
*/
|
|
extensions_set = g_strsplit(file_type_extensions[extension_type].extensions,
|
|
";", 0);
|
|
|
|
/*
|
|
* Add each of those extensions to the list.
|
|
*/
|
|
for (extensionp = extensions_set; *extensionp != NULL; extensionp++) {
|
|
extension = *extensionp;
|
|
|
|
/*
|
|
* Add the extension, and all compressed variants
|
|
* of it.
|
|
*/
|
|
extensions = add_extensions(extensions, extension,
|
|
compression_type_extensions);
|
|
}
|
|
|
|
g_strfreev(extensions_set);
|
|
return extensions;
|
|
}
|
|
|
|
/* Return a list of file extensions that are used by the specified file
|
|
extension type.
|
|
|
|
All strings in the list are allocated with g_malloc() and must be freed
|
|
with g_free(). */
|
|
GSList *
|
|
wtap_get_file_extension_type_extensions(guint extension_type)
|
|
{
|
|
GSList *extensions, *compression_type_extensions;
|
|
|
|
if (extension_type >= file_type_extensions_arr->len)
|
|
return NULL; /* not a valid extension type */
|
|
|
|
extensions = NULL; /* empty list, to start with */
|
|
|
|
/*
|
|
* Get compression-type extensions, if any.
|
|
*/
|
|
compression_type_extensions = wtap_get_all_compression_type_extensions_list();
|
|
|
|
/*
|
|
* Add all this file extension type's extensions, with compressed
|
|
* variants.
|
|
*/
|
|
extensions = add_extensions_for_file_extensions_type(extension_type,
|
|
extensions, compression_type_extensions);
|
|
|
|
g_slist_free(compression_type_extensions);
|
|
|
|
return extensions;
|
|
}
|
|
|
|
/* Return a list of all extensions that are used by all capture file
|
|
types, including compressed extensions, e.g. not just "pcap" but
|
|
also "pcap.gz" if we can read gzipped files.
|
|
|
|
"Capture files" means "include file types that correspond to
|
|
collections of network packets, but not file types that
|
|
store data that just happens to be transported over protocols
|
|
such as HTTP but that aren't collections of network packets",
|
|
so that it could be used for "All Capture Files" without picking
|
|
up JPEG files or files such as that - those aren't capture files,
|
|
and we *do* have them listed in the long list of individual file
|
|
types, so omitting them from "All Capture Files" is the right
|
|
thing to do.
|
|
|
|
All strings in the list are allocated with g_malloc() and must be freed
|
|
with g_free(). */
|
|
GSList *
|
|
wtap_get_all_capture_file_extensions_list(void)
|
|
{
|
|
GSList *extensions, *compression_type_extensions;
|
|
unsigned int i;
|
|
|
|
init_file_type_extensions();
|
|
|
|
extensions = NULL; /* empty list, to start with */
|
|
|
|
/*
|
|
* Get compression-type extensions, if any.
|
|
*/
|
|
compression_type_extensions = wtap_get_all_compression_type_extensions_list();
|
|
|
|
for (i = 0; i < file_type_extensions_arr->len; i++) {
|
|
/*
|
|
* Is this a capture file, rather than one of the
|
|
* other random file types we can read?
|
|
*/
|
|
if (file_type_extensions[i].is_capture_file) {
|
|
/*
|
|
* Yes. Add all this file extension type's
|
|
* extensions, with compressed variants.
|
|
*/
|
|
extensions = add_extensions_for_file_extensions_type(i,
|
|
extensions, compression_type_extensions);
|
|
}
|
|
}
|
|
|
|
g_slist_free(compression_type_extensions);
|
|
|
|
return extensions;
|
|
}
|
|
|
|
/*
|
|
* The open_file_* routines should return:
|
|
*
|
|
* -1 on an I/O error;
|
|
*
|
|
* 1 if the file they're reading is one of the types it handles;
|
|
*
|
|
* 0 if the file they're reading isn't the type they're checking for.
|
|
*
|
|
* If the routine handles this type of file, it should set the "file_type"
|
|
* field in the "struct wtap" to the type of the file.
|
|
*
|
|
* Note that the routine does not have to free the private data pointer on
|
|
* error. The caller takes care of that by calling wtap_close on error.
|
|
* (See https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=8518)
|
|
*
|
|
* However, the caller does have to free the private data pointer when
|
|
* returning 0, since the next file type will be called and will likely
|
|
* just overwrite the pointer.
|
|
*
|
|
* The names are used in file open dialogs to select, for files that
|
|
* don't have magic numbers and that could potentially be files of
|
|
* more than one type based on the heuristics, a particular file
|
|
* type to interpret it as, if the file name has no extension, the
|
|
* extension isn't sufficient to determine the appropriate file type,
|
|
* or the extension is wrong.
|
|
*
|
|
* NOTE: when adding file formats to this list you may also want to add them
|
|
* to the following files so that the various desktop environments will
|
|
* know that Wireshark can open the file:
|
|
* 1) wireshark-mime-package.xml (for freedesktop.org environments)
|
|
* 2) packaging/macosx/Info.plist.in (for macOS)
|
|
* 3) packaging/nsis/AdditionalTasksPage.ini, packaging/nsis/common.nsh,
|
|
* and packaging/wix/ComponentGroups.wxi (for Windows)
|
|
*
|
|
* If your file format has an expected extension (e.g., ".pcap") then you
|
|
* should probably also add it to file_type_extensions_base[] (in this file).
|
|
*/
|
|
static const struct open_info open_info_base[] = {
|
|
{ "Wireshark/tcpdump/... - pcap", OPEN_INFO_MAGIC, libpcap_open, "pcap", NULL, NULL },
|
|
{ "Wireshark/... - pcapng", OPEN_INFO_MAGIC, pcapng_open, "pcapng", NULL, NULL },
|
|
{ "Sniffer (DOS)", OPEN_INFO_MAGIC, ngsniffer_open, NULL, NULL, NULL },
|
|
{ "Snoop, Shomiti/Finisar Surveyor", OPEN_INFO_MAGIC, snoop_open, NULL, NULL, NULL },
|
|
{ "AIX iptrace", OPEN_INFO_MAGIC, iptrace_open, NULL, NULL, NULL },
|
|
{ "Microsoft Network Monitor", OPEN_INFO_MAGIC, netmon_open, NULL, NULL, NULL },
|
|
{ "Cinco NetXray/Sniffer (Windows)", OPEN_INFO_MAGIC, netxray_open, NULL, NULL, NULL },
|
|
{ "RADCOM WAN/LAN analyzer", OPEN_INFO_MAGIC, radcom_open, NULL, NULL, NULL },
|
|
{ "HP-UX nettl trace", OPEN_INFO_MAGIC, nettl_open, NULL, NULL, NULL },
|
|
{ "Visual Networks traffic capture", OPEN_INFO_MAGIC, visual_open, NULL, NULL, NULL },
|
|
{ "InfoVista 5View capture", OPEN_INFO_MAGIC, _5views_open, NULL, NULL, NULL },
|
|
{ "Network Instruments Observer", OPEN_INFO_MAGIC, network_instruments_open, NULL, NULL, NULL },
|
|
{ "Savvius tagged", OPEN_INFO_MAGIC, peektagged_open, NULL, NULL, NULL },
|
|
{ "Colasoft Capsa", OPEN_INFO_MAGIC, capsa_open, NULL, NULL, NULL },
|
|
{ "DBS Etherwatch (VMS)", OPEN_INFO_MAGIC, dbs_etherwatch_open, NULL, NULL, NULL },
|
|
{ "Tektronix K12xx 32-bit .rf5 format", OPEN_INFO_MAGIC, k12_open, NULL, NULL, NULL },
|
|
{ "Catapult DCT2000 trace (.out format)", OPEN_INFO_MAGIC, catapult_dct2000_open, NULL, NULL, NULL },
|
|
{ "Aethra .aps file", OPEN_INFO_MAGIC, aethra_open, NULL, NULL, NULL },
|
|
{ "Symbian OS btsnoop", OPEN_INFO_MAGIC, btsnoop_open, "log", NULL, NULL },
|
|
{ "EyeSDN USB S0/E1 ISDN trace format", OPEN_INFO_MAGIC, eyesdn_open, NULL, NULL, NULL },
|
|
{ "Transport-Neutral Encapsulation Format", OPEN_INFO_MAGIC, tnef_open, NULL, NULL, NULL },
|
|
/* 3GPP TS 32.423 Trace must come before MIME Files as it's XML based*/
|
|
{ "3GPP TS 32.423 Trace format", OPEN_INFO_MAGIC, nettrace_3gpp_32_423_file_open, NULL, NULL, NULL },
|
|
/* Gammu DCT3 trace must come before MIME files as it's XML based*/
|
|
{ "Gammu DCT3 trace", OPEN_INFO_MAGIC, dct3trace_open, NULL, NULL, NULL },
|
|
{ "MIME Files Format", OPEN_INFO_MAGIC, mime_file_open, NULL, NULL, NULL },
|
|
{ "Micropross mplog", OPEN_INFO_MAGIC, mplog_open, "mplog", NULL, NULL },
|
|
{ "Unigraf DPA-400 capture", OPEN_INFO_MAGIC, dpa400_open, "bin", NULL, NULL },
|
|
{ "RFC 7468 files", OPEN_INFO_MAGIC, rfc7468_open, "pem;crt", NULL, NULL },
|
|
{ "Novell LANalyzer", OPEN_INFO_HEURISTIC, lanalyzer_open, "tr1", NULL, NULL },
|
|
/*
|
|
* PacketLogger must come before MPEG, because its files
|
|
* are sometimes grabbed by mpeg_open.
|
|
*/
|
|
{ "macOS PacketLogger", OPEN_INFO_HEURISTIC, packetlogger_open, "pklg", NULL, NULL },
|
|
/* Some MPEG files have magic numbers, others just have heuristics. */
|
|
{ "MPEG", OPEN_INFO_HEURISTIC, mpeg_open, "mpg;mp3", NULL, NULL },
|
|
{ "Daintree SNA", OPEN_INFO_HEURISTIC, daintree_sna_open, "dcf", NULL, NULL },
|
|
{ "STANAG 4607 Format", OPEN_INFO_HEURISTIC, stanag4607_open, NULL, NULL, NULL },
|
|
{ "ASN.1 Basic Encoding Rules", OPEN_INFO_HEURISTIC, ber_open, NULL, NULL, NULL },
|
|
/*
|
|
* I put NetScreen *before* erf, because there were some
|
|
* false positives with my test-files (Sake Blok, July 2007)
|
|
*
|
|
* I put VWR *after* ERF, because there were some cases where
|
|
* ERF files were misidentified as vwr files (Stephen
|
|
* Donnelly, August 2013; see bug 9054)
|
|
*
|
|
* I put VWR *after* Peek Classic, CommView, iSeries text,
|
|
* Toshiba text, K12 text, VMS tcpiptrace text, and NetScaler,
|
|
* because there were some cases where files of those types were
|
|
* misidentified as vwr files (Guy Harris, December 2013)
|
|
*/
|
|
{ "NetScreen snoop text file", OPEN_INFO_HEURISTIC, netscreen_open, "txt", NULL, NULL },
|
|
{ "Endace ERF capture", OPEN_INFO_HEURISTIC, erf_open, "erf", NULL, NULL },
|
|
{ "IPFIX File Format", OPEN_INFO_HEURISTIC, ipfix_open, "pfx;ipfix",NULL, NULL },
|
|
{ "K12 text file", OPEN_INFO_HEURISTIC, k12text_open, "txt", NULL, NULL },
|
|
{ "Savvius classic", OPEN_INFO_HEURISTIC, peekclassic_open, "pkt;tpc;apc;wpz", NULL, NULL },
|
|
{ "pppd log (pppdump format)", OPEN_INFO_HEURISTIC, pppdump_open, NULL, NULL, NULL },
|
|
{ "IBM iSeries comm. trace", OPEN_INFO_HEURISTIC, iseries_open, "txt", NULL, NULL },
|
|
{ "I4B ISDN trace", OPEN_INFO_HEURISTIC, i4btrace_open, NULL, NULL, NULL },
|
|
{ "MPEG2 transport stream", OPEN_INFO_HEURISTIC, mp2t_open, "ts;mpg", NULL, NULL },
|
|
{ "CSIDS IPLog", OPEN_INFO_HEURISTIC, csids_open, NULL, NULL, NULL },
|
|
{ "TCPIPtrace (VMS)", OPEN_INFO_HEURISTIC, vms_open, "txt", NULL, NULL },
|
|
{ "CoSine IPSX L2 capture", OPEN_INFO_HEURISTIC, cosine_open, "txt", NULL, NULL },
|
|
{ "Bluetooth HCI dump", OPEN_INFO_HEURISTIC, hcidump_open, NULL, NULL, NULL },
|
|
{ "TamoSoft CommView", OPEN_INFO_HEURISTIC, commview_open, "ncf", NULL, NULL },
|
|
{ "NetScaler", OPEN_INFO_HEURISTIC, nstrace_open, "cap", NULL, NULL },
|
|
{ "Android Logcat Binary format", OPEN_INFO_HEURISTIC, logcat_open, "logcat", NULL, NULL },
|
|
{ "Android Logcat Text formats", OPEN_INFO_HEURISTIC, logcat_text_open, "txt", NULL, NULL },
|
|
{ "Candump log", OPEN_INFO_HEURISTIC, candump_open, NULL, NULL, NULL },
|
|
{ "Busmaster log", OPEN_INFO_HEURISTIC, busmaster_open, NULL, NULL, NULL },
|
|
/* ASCII trace files from Telnet sessions. */
|
|
{ "Lucent/Ascend access server trace", OPEN_INFO_HEURISTIC, ascend_open, "txt", NULL, NULL },
|
|
{ "Toshiba Compact ISDN Router snoop", OPEN_INFO_HEURISTIC, toshiba_open, "txt", NULL, NULL },
|
|
/* Extremely weak heuristics - put them at the end. */
|
|
{ "Ixia IxVeriWave .vwr Raw Capture", OPEN_INFO_HEURISTIC, vwr_open, "vwr", NULL, NULL },
|
|
{ "CAM Inspector file", OPEN_INFO_HEURISTIC, camins_open, "camins", NULL, NULL },
|
|
{ "JavaScript Object Notation", OPEN_INFO_HEURISTIC, json_open, "json", NULL, NULL },
|
|
{ "Ruby Marshal Object", OPEN_INFO_HEURISTIC, ruby_marshal_open, "", NULL, NULL },
|
|
{ "Systemd Journal", OPEN_INFO_HEURISTIC, systemd_journal_open, "log;jnl;journal", NULL, NULL },
|
|
{ "3gpp phone log", OPEN_INFO_MAGIC, log3gpp_open, "log", NULL, NULL },
|
|
{ "MP4 media file", OPEN_INFO_MAGIC, mp4_open, "mp4", NULL, NULL },
|
|
|
|
};
|
|
|
|
/* this is only used to build the dynamic array on load, do NOT use this
|
|
* for anything else, because the size of the actual array will change if
|
|
* Lua scripts register a new file reader.
|
|
*/
|
|
#define N_OPEN_INFO_ROUTINES ((sizeof open_info_base / sizeof open_info_base[0]))
|
|
|
|
static GArray *open_info_arr = NULL;
|
|
|
|
/* this always points to the top of the created array */
|
|
struct open_info *open_routines = NULL;
|
|
|
|
/* this points to the first OPEN_INFO_HEURISTIC type in the array */
|
|
static guint heuristic_open_routine_idx = 0;
|
|
|
|
static void
|
|
set_heuristic_routine(void)
|
|
{
|
|
guint i;
|
|
g_assert(open_info_arr != NULL);
|
|
|
|
for (i = 0; i < open_info_arr->len; i++) {
|
|
if (open_routines[i].type == OPEN_INFO_HEURISTIC) {
|
|
heuristic_open_routine_idx = i;
|
|
break;
|
|
}
|
|
/* sanity check */
|
|
g_assert(open_routines[i].type == OPEN_INFO_MAGIC);
|
|
}
|
|
|
|
g_assert(heuristic_open_routine_idx > 0);
|
|
}
|
|
|
|
void
|
|
init_open_routines(void)
|
|
{
|
|
unsigned int i;
|
|
struct open_info *i_open;
|
|
|
|
if (open_info_arr)
|
|
return;
|
|
|
|
open_info_arr = g_array_new(TRUE,TRUE,sizeof(struct open_info));
|
|
|
|
g_array_append_vals(open_info_arr, open_info_base, N_OPEN_INFO_ROUTINES);
|
|
|
|
open_routines = (struct open_info *)(void*) open_info_arr->data;
|
|
|
|
/* Populate the extensions_set list now */
|
|
for (i = 0, i_open = open_routines; i < open_info_arr->len; i++, i_open++) {
|
|
if (i_open->extensions != NULL)
|
|
i_open->extensions_set = g_strsplit(i_open->extensions, ";", 0);
|
|
}
|
|
|
|
set_heuristic_routine();
|
|
}
|
|
|
|
/*
|
|
* Registers a new file reader - currently only called by wslua code for Lua readers.
|
|
* If first_routine is true, it's added before other readers of its type (magic or heuristic).
|
|
* Also, it checks for an existing reader of the same name and errors if it finds one; if
|
|
* you want to handle that condition more gracefully, call wtap_has_open_info() first.
|
|
*/
|
|
void
|
|
wtap_register_open_info(struct open_info *oi, const gboolean first_routine)
|
|
{
|
|
if (!oi || !oi->name) {
|
|
g_error("No open_info name given to register");
|
|
return;
|
|
}
|
|
|
|
/* verify name doesn't already exist */
|
|
if (wtap_has_open_info(oi->name)) {
|
|
g_error("Name given to register_open_info already exists");
|
|
return;
|
|
}
|
|
|
|
if (oi->extensions != NULL)
|
|
oi->extensions_set = g_strsplit(oi->extensions, ";", 0);
|
|
|
|
/* if it's magic and first, prepend it; if it's heuristic and not first,
|
|
append it; if it's anything else, stick it in the middle */
|
|
if (first_routine && oi->type == OPEN_INFO_MAGIC) {
|
|
g_array_prepend_val(open_info_arr, *oi);
|
|
} else if (!first_routine && oi->type == OPEN_INFO_HEURISTIC) {
|
|
g_array_append_val(open_info_arr, *oi);
|
|
} else {
|
|
g_array_insert_val(open_info_arr, heuristic_open_routine_idx, *oi);
|
|
}
|
|
|
|
open_routines = (struct open_info *)(void*) open_info_arr->data;
|
|
set_heuristic_routine();
|
|
}
|
|
|
|
/* De-registers a file reader by removign it from the GArray based on its name.
|
|
* This function must NOT be called during wtap_open_offline(), since it changes the array.
|
|
* Note: this function will error if it doesn't find the given name; if you want to handle
|
|
* that condition more gracefully, call wtap_has_open_info() first.
|
|
*/
|
|
void
|
|
wtap_deregister_open_info(const gchar *name)
|
|
{
|
|
guint i;
|
|
|
|
if (!name) {
|
|
g_error("Missing open_info name to de-register");
|
|
return;
|
|
}
|
|
|
|
for (i = 0; i < open_info_arr->len; i++) {
|
|
if (open_routines[i].name && strcmp(open_routines[i].name, name) == 0) {
|
|
g_strfreev(open_routines[i].extensions_set);
|
|
open_info_arr = g_array_remove_index(open_info_arr, i);
|
|
set_heuristic_routine();
|
|
return;
|
|
}
|
|
}
|
|
|
|
g_error("deregister_open_info: name not found");
|
|
}
|
|
|
|
/* Determines if a open routine short name already exists
|
|
*/
|
|
gboolean
|
|
wtap_has_open_info(const gchar *name)
|
|
{
|
|
guint i;
|
|
|
|
if (!name) {
|
|
g_error("No name given to wtap_has_open_info!");
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
for (i = 0; i < open_info_arr->len; i++) {
|
|
if (open_routines[i].name && strcmp(open_routines[i].name, name) == 0) {
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
/*
|
|
* Visual C++ on Win32 systems doesn't define these. (Old UNIX systems don't
|
|
* define them either.)
|
|
*
|
|
* Visual C++ on Win32 systems doesn't define S_IFIFO, it defines _S_IFIFO.
|
|
*/
|
|
#ifndef S_ISREG
|
|
#define S_ISREG(mode) (((mode) & S_IFMT) == S_IFREG)
|
|
#endif
|
|
#ifndef S_IFIFO
|
|
#define S_IFIFO _S_IFIFO
|
|
#endif
|
|
#ifndef S_ISFIFO
|
|
#define S_ISFIFO(mode) (((mode) & S_IFMT) == S_IFIFO)
|
|
#endif
|
|
#ifndef S_ISDIR
|
|
#define S_ISDIR(mode) (((mode) & S_IFMT) == S_IFDIR)
|
|
#endif
|
|
|
|
/* returns the 'type' number to use for wtap_open_offline based on the
|
|
passed-in name (the name in the open_info struct). It returns WTAP_TYPE_AUTO
|
|
on failure, which is the number 0. The 'type' number is the entry's index+1,
|
|
because that's what wtap_open_offline() expects it to be. */
|
|
unsigned int
|
|
open_info_name_to_type(const char *name)
|
|
{
|
|
unsigned int i;
|
|
|
|
if (!name)
|
|
return WTAP_TYPE_AUTO;
|
|
|
|
for (i = 0; i < open_info_arr->len; i++) {
|
|
if (open_routines[i].name != NULL &&
|
|
strcmp(name, open_routines[i].name) == 0)
|
|
return i+1;
|
|
}
|
|
|
|
return WTAP_TYPE_AUTO; /* no such file type */
|
|
}
|
|
|
|
static char *
|
|
get_file_extension(const char *pathname)
|
|
{
|
|
gchar *filename;
|
|
gchar **components;
|
|
size_t ncomponents;
|
|
gchar *extensionp;
|
|
|
|
/*
|
|
* Is the pathname empty?
|
|
*/
|
|
if (strcmp(pathname, "") == 0)
|
|
return NULL; /* no extension */
|
|
|
|
/*
|
|
* Find the last component of the pathname.
|
|
*/
|
|
filename = g_path_get_basename(pathname);
|
|
|
|
/*
|
|
* Does it have an extension?
|
|
*/
|
|
if (strchr(filename, '.') == NULL) {
|
|
g_free(filename);
|
|
return NULL; /* no extension whatsoever */
|
|
}
|
|
|
|
/*
|
|
* Yes. Split it into components separated by ".".
|
|
*/
|
|
components = g_strsplit(filename, ".", 0);
|
|
g_free(filename);
|
|
|
|
/*
|
|
* Count the components.
|
|
*/
|
|
for (ncomponents = 0; components[ncomponents] != NULL; ncomponents++)
|
|
;
|
|
|
|
if (ncomponents == 0) {
|
|
g_strfreev(components);
|
|
return NULL; /* no components */
|
|
}
|
|
if (ncomponents == 1) {
|
|
g_strfreev(components);
|
|
return NULL; /* only one component, with no "." */
|
|
}
|
|
|
|
/*
|
|
* Get compression-type extensions, if any.
|
|
*/
|
|
GSList *compression_type_extensions = wtap_get_all_compression_type_extensions_list();
|
|
|
|
/*
|
|
* Is the last component one of the extensions used for compressed
|
|
* files?
|
|
*/
|
|
extensionp = components[ncomponents - 1];
|
|
for (GSList *compression_type_extension = compression_type_extensions;
|
|
compression_type_extension != NULL;
|
|
compression_type_extension = g_slist_next(compression_type_extension)) {
|
|
if (strcmp(extensionp, (const char *)compression_type_extension->data) == 0) {
|
|
/*
|
|
* Yes, so it's one of the compressed-file extensions.
|
|
* Is there an extension before that?
|
|
*/
|
|
if (ncomponents == 2) {
|
|
g_slist_free(compression_type_extensions);
|
|
g_strfreev(components);
|
|
return NULL; /* no, only two components */
|
|
}
|
|
|
|
/*
|
|
* Yes, return that extension.
|
|
*/
|
|
g_slist_free(compression_type_extensions);
|
|
extensionp = g_strdup(components[ncomponents - 2]);
|
|
g_strfreev(components);
|
|
return extensionp;
|
|
}
|
|
}
|
|
|
|
g_slist_free(compression_type_extensions);
|
|
|
|
/*
|
|
* The extension isn't one of the compressed-file extensions;
|
|
* return it.
|
|
*/
|
|
extensionp = g_strdup(extensionp);
|
|
g_strfreev(components);
|
|
return extensionp;
|
|
}
|
|
|
|
/*
|
|
* Check if file extension is used in this heuristic
|
|
*/
|
|
static gboolean
|
|
heuristic_uses_extension(unsigned int i, const char *extension)
|
|
{
|
|
gchar **extensionp;
|
|
|
|
/*
|
|
* Does this file type *have* any extensions?
|
|
*/
|
|
if (open_routines[i].extensions == NULL)
|
|
return FALSE; /* no */
|
|
|
|
/*
|
|
* Check each of them against the specified extension.
|
|
*/
|
|
for (extensionp = open_routines[i].extensions_set; *extensionp != NULL;
|
|
extensionp++) {
|
|
if (strcmp(extension, *extensionp) == 0) {
|
|
return TRUE; /* it's one of them */
|
|
}
|
|
}
|
|
|
|
return FALSE; /* it's not one of them */
|
|
}
|
|
|
|
/* Opens a file and prepares a wtap struct.
|
|
If "do_random" is TRUE, it opens the file twice; the second open
|
|
allows the application to do random-access I/O without moving
|
|
the seek offset for sequential I/O, which is used by Wireshark
|
|
so that it can do sequential I/O to a capture file that's being
|
|
written to as new packets arrive independently of random I/O done
|
|
to display protocol trees for packets when they're selected. */
|
|
wtap *
|
|
wtap_open_offline(const char *filename, unsigned int type, int *err, char **err_info,
|
|
gboolean do_random)
|
|
{
|
|
int fd;
|
|
ws_statb64 statb;
|
|
gboolean ispipe = FALSE;
|
|
wtap *wth;
|
|
unsigned int i;
|
|
gboolean use_stdin = FALSE;
|
|
gchar *extension;
|
|
wtap_block_t shb;
|
|
|
|
*err = 0;
|
|
*err_info = NULL;
|
|
|
|
/* open standard input if filename is '-' */
|
|
if (strcmp(filename, "-") == 0)
|
|
use_stdin = TRUE;
|
|
|
|
/* First, make sure the file is valid */
|
|
if (use_stdin) {
|
|
if (ws_fstat64(0, &statb) < 0) {
|
|
*err = errno;
|
|
return NULL;
|
|
}
|
|
} else {
|
|
if (ws_stat64(filename, &statb) < 0) {
|
|
*err = errno;
|
|
return NULL;
|
|
}
|
|
}
|
|
if (S_ISFIFO(statb.st_mode)) {
|
|
/*
|
|
* Opens of FIFOs are allowed only when not opening
|
|
* for random access.
|
|
*
|
|
* Currently, we do seeking when trying to find out
|
|
* the file type, but our I/O routines do some amount
|
|
* of buffering, and do backward seeks within the buffer
|
|
* if possible, so at least some file types can be
|
|
* opened from pipes, so we don't completely disallow opens
|
|
* of pipes.
|
|
*/
|
|
if (do_random) {
|
|
*err = WTAP_ERR_RANDOM_OPEN_PIPE;
|
|
return NULL;
|
|
}
|
|
ispipe = TRUE;
|
|
} else if (S_ISDIR(statb.st_mode)) {
|
|
/*
|
|
* Return different errors for "this is a directory"
|
|
* and "this is some random special file type", so
|
|
* the user can get a potentially more helpful error.
|
|
*/
|
|
*err = EISDIR;
|
|
return NULL;
|
|
} else if (! S_ISREG(statb.st_mode)) {
|
|
*err = WTAP_ERR_NOT_REGULAR_FILE;
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* We need two independent descriptors for random access, so
|
|
* they have different file positions. If we're opening the
|
|
* standard input, we can only dup it to get additional
|
|
* descriptors, so we can't have two independent descriptors,
|
|
* and thus can't do random access.
|
|
*/
|
|
if (use_stdin && do_random) {
|
|
*err = WTAP_ERR_RANDOM_OPEN_STDIN;
|
|
return NULL;
|
|
}
|
|
|
|
errno = ENOMEM;
|
|
wth = (wtap *)g_malloc0(sizeof(wtap));
|
|
|
|
/* Open the file */
|
|
errno = WTAP_ERR_CANT_OPEN;
|
|
if (use_stdin) {
|
|
/*
|
|
* We dup FD 0, so that we don't have to worry about
|
|
* a file_close of wth->fh closing the standard
|
|
* input of the process.
|
|
*/
|
|
fd = ws_dup(0);
|
|
if (fd < 0) {
|
|
*err = errno;
|
|
g_free(wth);
|
|
return NULL;
|
|
}
|
|
#ifdef _WIN32
|
|
if (_setmode(fd, O_BINARY) == -1) {
|
|
/* "Shouldn't happen" */
|
|
*err = errno;
|
|
g_free(wth);
|
|
return NULL;
|
|
}
|
|
#endif
|
|
if (!(wth->fh = file_fdopen(fd))) {
|
|
*err = errno;
|
|
ws_close(fd);
|
|
g_free(wth);
|
|
return NULL;
|
|
}
|
|
} else {
|
|
if (!(wth->fh = file_open(filename))) {
|
|
*err = errno;
|
|
g_free(wth);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
if (do_random) {
|
|
if (!(wth->random_fh = file_open(filename))) {
|
|
*err = errno;
|
|
file_close(wth->fh);
|
|
g_free(wth);
|
|
return NULL;
|
|
}
|
|
} else
|
|
wth->random_fh = NULL;
|
|
|
|
/* initialization */
|
|
wth->ispipe = ispipe;
|
|
wth->file_encap = WTAP_ENCAP_UNKNOWN;
|
|
wth->subtype_sequential_close = NULL;
|
|
wth->subtype_close = NULL;
|
|
wth->file_tsprec = WTAP_TSPREC_USEC;
|
|
wth->priv = NULL;
|
|
wth->wslua_data = NULL;
|
|
wth->shb_hdrs = g_array_new(FALSE, FALSE, sizeof(wtap_block_t));
|
|
shb = wtap_block_create(WTAP_BLOCK_NG_SECTION);
|
|
if (shb)
|
|
g_array_append_val(wth->shb_hdrs, shb);
|
|
|
|
/* Initialize the array containing a list of interfaces. pcapng_open and
|
|
* erf_open needs this (and libpcap_open for ERF encapsulation types).
|
|
* Always initing it here saves checking for a NULL ptr later. */
|
|
wth->interface_data = g_array_new(FALSE, FALSE, sizeof(wtap_block_t));
|
|
|
|
if (wth->random_fh) {
|
|
wth->fast_seek = g_ptr_array_new();
|
|
|
|
file_set_random_access(wth->fh, FALSE, wth->fast_seek);
|
|
file_set_random_access(wth->random_fh, TRUE, wth->fast_seek);
|
|
}
|
|
|
|
/* 'type' is 1 greater than the array index */
|
|
if (type != WTAP_TYPE_AUTO && type <= open_info_arr->len) {
|
|
int result;
|
|
|
|
if (file_seek(wth->fh, 0, SEEK_SET, err) == -1) {
|
|
/* I/O error - give up */
|
|
wtap_close(wth);
|
|
return NULL;
|
|
}
|
|
|
|
/* Set wth with wslua data if any - this is how we pass the data
|
|
* to the file reader, kinda like the priv member but not free'd later.
|
|
* It's ok for this to copy a NULL.
|
|
*/
|
|
wth->wslua_data = open_routines[type - 1].wslua_data;
|
|
|
|
result = (*open_routines[type - 1].open_routine)(wth, err, err_info);
|
|
|
|
switch (result) {
|
|
case WTAP_OPEN_ERROR:
|
|
/* Error - give up */
|
|
wtap_close(wth);
|
|
return NULL;
|
|
|
|
case WTAP_OPEN_NOT_MINE:
|
|
/* No error, but not that type of file */
|
|
goto fail;
|
|
|
|
case WTAP_OPEN_MINE:
|
|
/* We found the file type */
|
|
goto success;
|
|
}
|
|
}
|
|
|
|
/* Try all file types that support magic numbers */
|
|
for (i = 0; i < heuristic_open_routine_idx; i++) {
|
|
/* Seek back to the beginning of the file; the open routine
|
|
for the previous file type may have left the file
|
|
position somewhere other than the beginning, and the
|
|
open routine for this file type will probably want
|
|
to start reading at the beginning.
|
|
|
|
Initialize the data offset while we're at it. */
|
|
if (file_seek(wth->fh, 0, SEEK_SET, err) == -1) {
|
|
/* Error - give up */
|
|
wtap_close(wth);
|
|
return NULL;
|
|
}
|
|
|
|
/* Set wth with wslua data if any - this is how we pass the data
|
|
* to the file reader, kinda like the priv member but not free'd later.
|
|
* It's ok for this to copy a NULL.
|
|
*/
|
|
wth->wslua_data = open_routines[i].wslua_data;
|
|
|
|
switch ((*open_routines[i].open_routine)(wth, err, err_info)) {
|
|
|
|
case WTAP_OPEN_ERROR:
|
|
/* Error - give up */
|
|
wtap_close(wth);
|
|
return NULL;
|
|
|
|
case WTAP_OPEN_NOT_MINE:
|
|
/* No error, but not that type of file */
|
|
break;
|
|
|
|
case WTAP_OPEN_MINE:
|
|
/* We found the file type */
|
|
goto success;
|
|
}
|
|
}
|
|
|
|
|
|
/* Does this file's name have an extension? */
|
|
extension = get_file_extension(filename);
|
|
if (extension != NULL) {
|
|
/* Yes - try the heuristic types that use that extension first. */
|
|
for (i = heuristic_open_routine_idx; i < open_info_arr->len; i++) {
|
|
/* Does this type use that extension? */
|
|
if (heuristic_uses_extension(i, extension)) {
|
|
/* Yes. */
|
|
if (file_seek(wth->fh, 0, SEEK_SET, err) == -1) {
|
|
/* Error - give up */
|
|
g_free(extension);
|
|
wtap_close(wth);
|
|
return NULL;
|
|
}
|
|
|
|
/* Set wth with wslua data if any - this is how we pass the data
|
|
* to the file reader, kind of like priv but not free'd later.
|
|
*/
|
|
wth->wslua_data = open_routines[i].wslua_data;
|
|
|
|
switch ((*open_routines[i].open_routine)(wth,
|
|
err, err_info)) {
|
|
|
|
case WTAP_OPEN_ERROR:
|
|
/* Error - give up */
|
|
g_free(extension);
|
|
wtap_close(wth);
|
|
return NULL;
|
|
|
|
case WTAP_OPEN_NOT_MINE:
|
|
/* No error, but not that type of file */
|
|
break;
|
|
|
|
case WTAP_OPEN_MINE:
|
|
/* We found the file type */
|
|
g_free(extension);
|
|
goto success;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Now try the heuristic types that have no extensions
|
|
* to check; we try those before the ones that have
|
|
* extensions that *don't* match this file's extension,
|
|
* on the theory that files of those types generally
|
|
* have one of the type's extensions, and, as this file
|
|
* *doesn't* have one of those extensions, it's probably
|
|
* *not* one of those files.
|
|
*/
|
|
for (i = heuristic_open_routine_idx; i < open_info_arr->len; i++) {
|
|
/* Does this type have any extensions? */
|
|
if (open_routines[i].extensions == NULL) {
|
|
/* No. */
|
|
if (file_seek(wth->fh, 0, SEEK_SET, err) == -1) {
|
|
/* Error - give up */
|
|
g_free(extension);
|
|
wtap_close(wth);
|
|
return NULL;
|
|
}
|
|
|
|
/* Set wth with wslua data if any - this is how we pass the data
|
|
* to the file reader, kind of like priv but not free'd later.
|
|
*/
|
|
wth->wslua_data = open_routines[i].wslua_data;
|
|
|
|
switch ((*open_routines[i].open_routine)(wth,
|
|
err, err_info)) {
|
|
|
|
case WTAP_OPEN_ERROR:
|
|
/* Error - give up */
|
|
g_free(extension);
|
|
wtap_close(wth);
|
|
return NULL;
|
|
|
|
case WTAP_OPEN_NOT_MINE:
|
|
/* No error, but not that type of file */
|
|
break;
|
|
|
|
case WTAP_OPEN_MINE:
|
|
/* We found the file type */
|
|
g_free(extension);
|
|
goto success;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Now try the ones that have extensions where none of
|
|
* them matches this file's extensions.
|
|
*/
|
|
for (i = heuristic_open_routine_idx; i < open_info_arr->len; i++) {
|
|
/*
|
|
* Does this type have extensions and is this file's
|
|
* extension one of them?
|
|
*/
|
|
if (open_routines[i].extensions != NULL &&
|
|
!heuristic_uses_extension(i, extension)) {
|
|
/* Yes and no. */
|
|
if (file_seek(wth->fh, 0, SEEK_SET, err) == -1) {
|
|
/* Error - give up */
|
|
g_free(extension);
|
|
wtap_close(wth);
|
|
return NULL;
|
|
}
|
|
|
|
/* Set wth with wslua data if any - this is how we pass the data
|
|
* to the file reader, kind of like priv but not free'd later.
|
|
*/
|
|
wth->wslua_data = open_routines[i].wslua_data;
|
|
|
|
switch ((*open_routines[i].open_routine)(wth,
|
|
err, err_info)) {
|
|
|
|
case WTAP_OPEN_ERROR:
|
|
/* Error - give up */
|
|
g_free(extension);
|
|
wtap_close(wth);
|
|
return NULL;
|
|
|
|
case WTAP_OPEN_NOT_MINE:
|
|
/* No error, but not that type of file */
|
|
break;
|
|
|
|
case WTAP_OPEN_MINE:
|
|
/* We found the file type */
|
|
g_free(extension);
|
|
goto success;
|
|
}
|
|
}
|
|
}
|
|
g_free(extension);
|
|
} else {
|
|
/* No - try all the heuristics types in order. */
|
|
for (i = heuristic_open_routine_idx; i < open_info_arr->len; i++) {
|
|
|
|
if (file_seek(wth->fh, 0, SEEK_SET, err) == -1) {
|
|
/* Error - give up */
|
|
wtap_close(wth);
|
|
return NULL;
|
|
}
|
|
|
|
/* Set wth with wslua data if any - this is how we pass the data
|
|
* to the file reader, kind of like priv but not free'd later.
|
|
*/
|
|
wth->wslua_data = open_routines[i].wslua_data;
|
|
|
|
switch ((*open_routines[i].open_routine)(wth, err, err_info)) {
|
|
|
|
case WTAP_OPEN_ERROR:
|
|
/* Error - give up */
|
|
wtap_close(wth);
|
|
return NULL;
|
|
|
|
case WTAP_OPEN_NOT_MINE:
|
|
/* No error, but not that type of file */
|
|
break;
|
|
|
|
case WTAP_OPEN_MINE:
|
|
/* We found the file type */
|
|
goto success;
|
|
}
|
|
}
|
|
}
|
|
|
|
fail:
|
|
|
|
/* Well, it's not one of the types of file we know about. */
|
|
wtap_close(wth);
|
|
*err = WTAP_ERR_FILE_UNKNOWN_FORMAT;
|
|
return NULL;
|
|
|
|
success:
|
|
return wth;
|
|
}
|
|
|
|
/*
|
|
* Given the pathname of the file we just closed with wtap_fdclose(), attempt
|
|
* to reopen that file and assign the new file descriptor(s) to the sequential
|
|
* stream and, if do_random is TRUE, to the random stream. Used on Windows
|
|
* after the rename of a file we had open was done or if the rename of a
|
|
* file on top of a file we had open failed.
|
|
*
|
|
* This is only required by Wireshark, not TShark, and, at the point that
|
|
* Wireshark is doing this, the sequential stream is closed, and the
|
|
* random stream is open, so this refuses to open pipes, and only
|
|
* reopens the random stream.
|
|
*/
|
|
gboolean
|
|
wtap_fdreopen(wtap *wth, const char *filename, int *err)
|
|
{
|
|
ws_statb64 statb;
|
|
|
|
/*
|
|
* We need two independent descriptors for random access, so
|
|
* they have different file positions. If we're opening the
|
|
* standard input, we can only dup it to get additional
|
|
* descriptors, so we can't have two independent descriptors,
|
|
* and thus can't do random access.
|
|
*/
|
|
if (strcmp(filename, "-") == 0) {
|
|
*err = WTAP_ERR_RANDOM_OPEN_STDIN;
|
|
return FALSE;
|
|
}
|
|
|
|
/* First, make sure the file is valid */
|
|
if (ws_stat64(filename, &statb) < 0) {
|
|
*err = errno;
|
|
return FALSE;
|
|
}
|
|
if (S_ISFIFO(statb.st_mode)) {
|
|
/*
|
|
* Opens of FIFOs are not allowed; see above.
|
|
*/
|
|
*err = WTAP_ERR_RANDOM_OPEN_PIPE;
|
|
return FALSE;
|
|
} else if (S_ISDIR(statb.st_mode)) {
|
|
/*
|
|
* Return different errors for "this is a directory"
|
|
* and "this is some random special file type", so
|
|
* the user can get a potentially more helpful error.
|
|
*/
|
|
*err = EISDIR;
|
|
return FALSE;
|
|
} else if (! S_ISREG(statb.st_mode)) {
|
|
*err = WTAP_ERR_NOT_REGULAR_FILE;
|
|
return FALSE;
|
|
}
|
|
|
|
/* Open the file */
|
|
errno = WTAP_ERR_CANT_OPEN;
|
|
if (!file_fdreopen(wth->random_fh, filename)) {
|
|
*err = errno;
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
/* Table of the file types and subtypes for which we have built-in support.
|
|
Entries must be sorted by WTAP_FILE_TYPE_SUBTYPE_xxx values in ascending
|
|
order.
|
|
|
|
These are used to report what type and subtype a given file is and
|
|
to let the user select a format when writing out packets.
|
|
|
|
This table is what we start with, but it can be modified.
|
|
If we need to modify it, we allocate a GArray, copy the entries
|
|
in the above table to that GArray, use the copy as the table, and
|
|
make all changes to the copy. */
|
|
static const struct file_type_subtype_info dump_open_table_base[] = {
|
|
/* WTAP_FILE_TYPE_SUBTYPE_UNKNOWN (only used internally for initialization) */
|
|
{ NULL, NULL, NULL, NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_PCAP */
|
|
/* Gianluca Varenni suggests that we add "deprecated" to the description. */
|
|
{ "Wireshark/tcpdump/... - pcap", "pcap", "pcap", "cap;dmp",
|
|
FALSE, FALSE, 0,
|
|
libpcap_dump_can_write_encap, libpcap_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_PCAPNG */
|
|
{ "Wireshark/... - pcapng", "pcapng", "pcapng", "ntar",
|
|
FALSE, TRUE, WTAP_COMMENT_PER_SECTION|WTAP_COMMENT_PER_INTERFACE|WTAP_COMMENT_PER_PACKET,
|
|
pcapng_dump_can_write_encap, pcapng_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_PCAP_NSEC */
|
|
{ "Wireshark/tcpdump/... - nanosecond pcap", "nsecpcap", "pcap", "cap;dmp",
|
|
FALSE, FALSE, 0,
|
|
libpcap_dump_can_write_encap, libpcap_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_PCAP_AIX */
|
|
{ "AIX tcpdump - pcap", "aixpcap", "pcap", "cap;dmp",
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_PCAP_SS991029 */
|
|
{ "Modified tcpdump - pcap", "modpcap", "pcap", "cap;dmp",
|
|
FALSE, FALSE, 0,
|
|
libpcap_dump_can_write_encap, libpcap_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_PCAP_NOKIA */
|
|
{ "Nokia tcpdump - pcap", "nokiapcap", "pcap", "cap;dmp",
|
|
FALSE, FALSE, 0,
|
|
libpcap_dump_can_write_encap, libpcap_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_PCAP_SS990417 */
|
|
{ "RedHat 6.1 tcpdump - pcap", "rh6_1pcap", "pcap", "cap;dmp",
|
|
FALSE, FALSE, 0,
|
|
libpcap_dump_can_write_encap, libpcap_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_PCAP_SS990915 */
|
|
{ "SuSE 6.3 tcpdump - pcap", "suse6_3pcap", "pcap", "cap;dmp",
|
|
FALSE, FALSE, 0,
|
|
libpcap_dump_can_write_encap, libpcap_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_5VIEWS */
|
|
{ "InfoVista 5View capture", "5views", "5vw", NULL,
|
|
TRUE, FALSE, 0,
|
|
_5views_dump_can_write_encap, _5views_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_IPTRACE_1_0 */
|
|
{ "AIX iptrace 1.0", "iptrace_1", NULL, NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_IPTRACE_2_0 */
|
|
{ "AIX iptrace 2.0", "iptrace_2", NULL, NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_BER */
|
|
{ "ASN.1 Basic Encoding Rules", "ber", NULL, NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_HCIDUMP */
|
|
{ "Bluetooth HCI dump", "hcidump", NULL, NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_CATAPULT_DCT2000 */
|
|
{ "Catapult DCT2000 trace (.out format)", "dct2000", "out", NULL,
|
|
FALSE, FALSE, 0,
|
|
catapult_dct2000_dump_can_write_encap, catapult_dct2000_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_NETXRAY_OLD */
|
|
{ "Cinco Networks NetXRay 1.x", "netxray1", "cap", NULL,
|
|
TRUE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_NETXRAY_1_0 */
|
|
{ "Cinco Networks NetXRay 2.0 or later", "netxray2", "cap", NULL,
|
|
TRUE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_COSINE */
|
|
{ "CoSine IPSX L2 capture", "cosine", "txt", NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_CSIDS */
|
|
{ "CSIDS IPLog", "csids", NULL, NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_DBS_ETHERWATCH */
|
|
{ "DBS Etherwatch (VMS)", "etherwatch", "txt", NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_ERF */
|
|
{ "Endace ERF capture", "erf", "erf", NULL,
|
|
FALSE, TRUE, WTAP_COMMENT_PER_SECTION|WTAP_COMMENT_PER_INTERFACE|WTAP_COMMENT_PER_PACKET,
|
|
erf_dump_can_write_encap, erf_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_EYESDN */
|
|
{ "EyeSDN USB S0/E1 ISDN trace format", "eyesdn", "trc", NULL,
|
|
FALSE, FALSE, 0,
|
|
eyesdn_dump_can_write_encap, eyesdn_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_NETTL */
|
|
{ "HP-UX nettl trace", "nettl", "trc0", "trc1",
|
|
FALSE, FALSE, 0,
|
|
nettl_dump_can_write_encap, nettl_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_ISERIES */
|
|
{ "IBM iSeries comm. trace (ASCII)", "iseries_ascii", "txt", NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_ISERIES_UNICODE */
|
|
{ "IBM iSeries comm. trace (UNICODE)", "iseries_unicode", "txt", NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_I4BTRACE */
|
|
{ "I4B ISDN trace", "i4btrace", NULL, NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_ASCEND */
|
|
{ "Lucent/Ascend access server trace", "ascend", "txt", NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_NETMON_1_x */
|
|
{ "Microsoft NetMon 1.x", "netmon1", "cap", NULL,
|
|
TRUE, FALSE, 0,
|
|
netmon_dump_can_write_encap_1_x, netmon_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_NETMON_2_x */
|
|
{ "Microsoft NetMon 2.x", "netmon2", "cap", NULL,
|
|
TRUE, FALSE, 0,
|
|
netmon_dump_can_write_encap_2_x, netmon_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_NGSNIFFER_UNCOMPRESSED */
|
|
{ "Sniffer (DOS)", "ngsniffer", "cap", "enc;trc;fdc;syc",
|
|
FALSE, FALSE, 0,
|
|
ngsniffer_dump_can_write_encap, ngsniffer_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_NGSNIFFER_COMPRESSED */
|
|
{ "Sniffer (DOS), compressed", "ngsniffer_comp", "cap", "enc;trc;fdc;syc",
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_NETXRAY_1_1 */
|
|
{ "NetXray, Sniffer (Windows) 1.1", "ngwsniffer_1_1", "cap", NULL,
|
|
TRUE, FALSE, 0,
|
|
netxray_dump_can_write_encap_1_1, netxray_dump_open_1_1, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_NETXRAY_2_00x */
|
|
{ "Sniffer (Windows) 2.00x", "ngwsniffer_2_0", "cap", "caz",
|
|
TRUE, FALSE, 0,
|
|
netxray_dump_can_write_encap_2_0, netxray_dump_open_2_0, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_NETWORK_INSTRUMENTS */
|
|
{ "Network Instruments Observer", "niobserver", "bfr", NULL,
|
|
FALSE, FALSE, 0,
|
|
network_instruments_dump_can_write_encap, network_instruments_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_LANALYZER */
|
|
{ "Novell LANalyzer","lanalyzer", "tr1", NULL,
|
|
TRUE, FALSE, 0,
|
|
lanalyzer_dump_can_write_encap, lanalyzer_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_PPPDUMP */
|
|
{ "pppd log (pppdump format)", "pppd", NULL, NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_RADCOM */
|
|
{ "RADCOM WAN/LAN analyzer", "radcom", NULL, NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_SNOOP */
|
|
{ "Sun snoop", "snoop", "snoop", "cap",
|
|
FALSE, FALSE, 0,
|
|
snoop_dump_can_write_encap, snoop_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_SHOMITI */
|
|
{ "Shomiti/Finisar Surveyor", "shomiti", "cap", NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_VMS */
|
|
{ "TCPIPtrace (VMS)", "tcpiptrace", "txt", NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_K12 */
|
|
{ "Tektronix K12xx 32-bit .rf5 format", "rf5", "rf5", NULL,
|
|
TRUE, FALSE, 0,
|
|
k12_dump_can_write_encap, k12_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_TOSHIBA */
|
|
{ "Toshiba Compact ISDN Router snoop", "toshiba", "txt", NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_VISUAL_NETWORKS */
|
|
{ "Visual Networks traffic capture", "visual", NULL, NULL,
|
|
TRUE, FALSE, 0,
|
|
visual_dump_can_write_encap, visual_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_PEEKCLASSIC_V56 */
|
|
{ "Savvius classic (V5 and V6)", "peekclassic56", "pkt", "tpc;apc;wpz",
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_PEEKCLASSIC_V7 */
|
|
{ "Savvius classic (V7)", "peekclassic7", "pkt", "tpc;apc;wpz",
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_PEEKTAGGED */
|
|
{ "Savvius tagged", "peektagged", "pkt", "tpc;apc;wpz",
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_MPEG */
|
|
{ "MPEG", "mpeg", "mpeg", "mpg;mp3",
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_K12TEXT */
|
|
{ "K12 text file", "k12text", "txt", NULL,
|
|
FALSE, FALSE, 0,
|
|
k12text_dump_can_write_encap, k12text_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_NETSCREEN */
|
|
{ "NetScreen snoop text file", "netscreen", "txt", NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_COMMVIEW */
|
|
{ "TamoSoft CommView", "commview", "ncf", NULL,
|
|
FALSE, FALSE, 0,
|
|
commview_dump_can_write_encap, commview_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_BTSNOOP */
|
|
{ "Symbian OS btsnoop", "btsnoop", "log", NULL,
|
|
FALSE, FALSE, 0,
|
|
btsnoop_dump_can_write_encap, btsnoop_dump_open_h4, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_TNEF */
|
|
{ "Transport-Neutral Encapsulation Format", "tnef", NULL, NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_DCT3TRACE */
|
|
{ "Gammu DCT3 trace", "dct3trace", "xml", NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_PACKETLOGGER */
|
|
{ "macOS PacketLogger", "pklg", "pklg", NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_DAINTREE_SNA */
|
|
{ "Daintree SNA", "dsna", "dcf", NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_NETSCALER_1_0 */
|
|
{ "NetScaler Trace (Version 1.0)", "nstrace10", NULL, NULL,
|
|
TRUE, FALSE, 0,
|
|
nstrace_10_dump_can_write_encap, nstrace_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_NETSCALER_2_0 */
|
|
{ "NetScaler Trace (Version 2.0)", "nstrace20", "cap", NULL,
|
|
TRUE, FALSE, 0,
|
|
nstrace_20_dump_can_write_encap, nstrace_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_JPEG_JFIF */
|
|
{ "JPEG/JFIF", "jpeg", "jpg", "jpeg;jfif",
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_IPFIX */
|
|
{ "IPFIX File Format", "ipfix", "pfx", "ipfix",
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_MIME */
|
|
{ "MIME File Format", "mime", NULL, NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_AETHRA */
|
|
{ "Aethra .aps file", "aethra", "aps", NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_MPEG_2_TS */
|
|
{ "MPEG2 transport stream", "mp2t", "mp2t", "ts;mpg",
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_VWR_80211 */
|
|
{ "Ixia IxVeriWave .vwr Raw 802.11 Capture", "vwr80211", "vwr", NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_VWR_ETH */
|
|
{ "Ixia IxVeriWave .vwr Raw Ethernet Capture", "vwreth", "vwr", NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_CAMINS */
|
|
{ "CAM Inspector file", "camins", "camins", NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_STANAG_4607 */
|
|
{ "STANAG 4607 Format", "stanag4607", NULL, NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_NETSCALER_3_0 */
|
|
{ "NetScaler Trace (Version 3.0)", "nstrace30", "cap", NULL,
|
|
TRUE, FALSE, 0,
|
|
nstrace_30_dump_can_write_encap, nstrace_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_LOGCAT */
|
|
{ "Android Logcat Binary format", "logcat", "logcat", NULL,
|
|
FALSE, FALSE, 0,
|
|
logcat_dump_can_write_encap, logcat_binary_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_LOGCAT_BRIEF */
|
|
{ "Android Logcat Brief text format", "logcat-brief", NULL, NULL,
|
|
FALSE, FALSE, 0,
|
|
logcat_text_brief_dump_can_write_encap, logcat_text_brief_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_LOGCAT_PROCESS */
|
|
{ "Android Logcat Process text format", "logcat-process", NULL, NULL,
|
|
FALSE, FALSE, 0,
|
|
logcat_text_process_dump_can_write_encap, logcat_text_process_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_LOGCAT_TAG */
|
|
{ "Android Logcat Tag text format", "logcat-tag", NULL, NULL,
|
|
FALSE, FALSE, 0,
|
|
logcat_text_tag_dump_can_write_encap, logcat_text_tag_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_LOGCAT_THREAD */
|
|
{ "Android Logcat Thread text format", "logcat-thread", NULL, NULL,
|
|
FALSE, FALSE, 0,
|
|
logcat_text_thread_dump_can_write_encap, logcat_text_thread_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_LOGCAT_TIME */
|
|
{ "Android Logcat Time text format", "logcat-time", NULL, NULL,
|
|
FALSE, FALSE, 0,
|
|
logcat_text_time_dump_can_write_encap, logcat_text_time_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_LOGCAT_THREADTIME */
|
|
{ "Android Logcat Threadtime text format", "logcat-threadtime", NULL, NULL,
|
|
FALSE, FALSE, 0,
|
|
logcat_text_threadtime_dump_can_write_encap, logcat_text_threadtime_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_LOGCAT_LONG */
|
|
{ "Android Logcat Long text format", "logcat-long", NULL, NULL,
|
|
FALSE, FALSE, 0,
|
|
logcat_text_long_dump_can_write_encap, logcat_text_long_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_COLASOFT_CAPSA */
|
|
{ "Colasoft Capsa format", "capsa", "cscpkt", NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_COLASOFT_PACKET_BUILDER */
|
|
{ "Colasoft Packet Builder format", "colasoft-pb", "cscpkt", NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_JSON */
|
|
{ "JavaScript Object Notation", "json", "json", NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_NETSCALER_3_5 */
|
|
{ "NetScaler Trace (Version 3.5)", "nstrace35", "cap", NULL,
|
|
TRUE, FALSE, 0,
|
|
nstrace_35_dump_can_write_encap, nstrace_dump_open, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_NETTRACE_3GPP_32_423 */
|
|
{ "3GPP TS 32.423 Trace", "3gpp32423", NULL, NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_MPLOG */
|
|
{ "Micropross mplog", "mplog", "mplog", NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_DPA400 */
|
|
{ "Unigraf DPA-400 capture", "dpa400", "bin", NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_RFC7468 */
|
|
{ "RFC 7468 files", "rfc7468", NULL, NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_RUBY_MARSHAL */
|
|
{ "Ruby marshal files", "ruby_marshal", NULL, NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_SYSTEMD_JOURNAL */
|
|
{ "systemd journal export", "systemd journal", NULL, NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_LOG_3GPP */
|
|
{ "3GPP Log", "3gpp_log", "*.log", NULL,
|
|
TRUE, FALSE, 0,
|
|
NULL, NULL, NULL },
|
|
|
|
/* WTAP_FILE_TYPE_SUBTYPE_MP4 */
|
|
{ "MP4 media", "mp4", "mp4", NULL,
|
|
FALSE, FALSE, 0,
|
|
NULL, NULL, NULL }
|
|
};
|
|
|
|
/*
|
|
* Pointer to the table we're currently using. It's initialized to point
|
|
* to the static table, but, if we have to allocate the GArray, it's
|
|
* changed to point to the data in the GArray.
|
|
*/
|
|
static const struct file_type_subtype_info* dump_open_table = dump_open_table_base;
|
|
|
|
/*
|
|
* Number of elements in the table we're currently using. It's initialized
|
|
* to the number of elements in the static table, but, if we have to
|
|
* allocate the GArray, it's changed to have the size of the GArray.
|
|
*/
|
|
static gint wtap_num_file_types_subtypes = sizeof(dump_open_table_base) / sizeof(struct file_type_subtype_info);
|
|
|
|
/*
|
|
* Pointer to the GArray; NULL until it's needed.
|
|
*/
|
|
static GArray* dump_open_table_arr = NULL;
|
|
|
|
/*
|
|
* Create the GArray from the static table if it hasn't already been created.
|
|
*/
|
|
static void
|
|
init_file_types_subtypes_garray(void)
|
|
{
|
|
if (dump_open_table_arr) return;
|
|
|
|
dump_open_table_arr = g_array_new(FALSE,TRUE,sizeof(struct file_type_subtype_info));
|
|
|
|
g_array_append_vals(dump_open_table_arr,dump_open_table_base,wtap_num_file_types_subtypes);
|
|
|
|
dump_open_table = (const struct file_type_subtype_info*)(void *)dump_open_table_arr->data;
|
|
}
|
|
|
|
/* if subtype is WTAP_FILE_TYPE_SUBTYPE_UNKNOWN, then create a new subtype as well as register it, else replace the
|
|
existing entry in that spot */
|
|
int
|
|
wtap_register_file_type_subtypes(const struct file_type_subtype_info* fi, const int subtype)
|
|
{
|
|
struct file_type_subtype_info* finfo;
|
|
|
|
/*
|
|
* Check for required fields (name and short_name). If an existing file
|
|
* type is overridden (as opposed as creating a new registration),
|
|
* prevent internal subtypes from being overridden by Lua plugins.
|
|
*/
|
|
if (!fi || !fi->name || !fi->short_name ||
|
|
(subtype != WTAP_FILE_TYPE_SUBTYPE_UNKNOWN &&
|
|
(subtype <= (int)G_N_ELEMENTS(dump_open_table_base) ||
|
|
subtype > wtap_num_file_types_subtypes))) {
|
|
g_error("no file type info or invalid file type to register");
|
|
return subtype;
|
|
}
|
|
|
|
/* do we want a new registration? */
|
|
if (subtype == WTAP_FILE_TYPE_SUBTYPE_UNKNOWN) {
|
|
/* register a new one; first verify there isn't one named this already */
|
|
if (wtap_short_string_to_file_type_subtype(fi->short_name) > -1 ) {
|
|
g_error("file type short name \"%s\" already exists", fi->short_name);
|
|
return subtype;
|
|
}
|
|
|
|
/*
|
|
* Create the GArray if it hasn't already been created.
|
|
*/
|
|
init_file_types_subtypes_garray();
|
|
|
|
g_array_append_val(dump_open_table_arr,*fi);
|
|
|
|
dump_open_table = (const struct file_type_subtype_info*)(void *)dump_open_table_arr->data;
|
|
|
|
return wtap_num_file_types_subtypes++;
|
|
}
|
|
|
|
/* re-register an existing one - verify the short names do match (sanity check really) */
|
|
if (!dump_open_table[subtype].short_name || strcmp(dump_open_table[subtype].short_name,fi->short_name) != 0) {
|
|
g_error("invalid file type name given to register");
|
|
return subtype;
|
|
}
|
|
|
|
/*
|
|
* Create the GArray if it hasn't already been created.
|
|
*/
|
|
init_file_types_subtypes_garray();
|
|
|
|
/*
|
|
* Get the pointer from the GArray, so that we get a non-const
|
|
* pointer.
|
|
*/
|
|
finfo = &g_array_index(dump_open_table_arr, struct file_type_subtype_info, subtype);
|
|
/*finfo->name = fi->name;*/
|
|
/*finfo->short_name = fi->short_name;*/
|
|
finfo->default_file_extension = fi->default_file_extension;
|
|
finfo->additional_file_extensions = fi->additional_file_extensions;
|
|
finfo->writing_must_seek = fi->writing_must_seek;
|
|
finfo->has_name_resolution = fi->has_name_resolution;
|
|
finfo->supported_comment_types = fi->supported_comment_types;
|
|
finfo->can_write_encap = fi->can_write_encap;
|
|
finfo->dump_open = fi->dump_open;
|
|
finfo->wslua_info = fi->wslua_info;
|
|
|
|
return subtype;
|
|
}
|
|
|
|
/* De-registers a file writer - they can never be removed from the GArray, but we can "clear" an entry.
|
|
*/
|
|
void
|
|
wtap_deregister_file_type_subtype(const int subtype)
|
|
{
|
|
struct file_type_subtype_info* finfo;
|
|
|
|
if (subtype < 0 || subtype >= wtap_num_file_types_subtypes) {
|
|
g_error("invalid file type to de-register");
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Create the GArray if it hasn't already been created.
|
|
*/
|
|
init_file_types_subtypes_garray();
|
|
|
|
/*
|
|
* Get the pointer from the GArray, so that we get a non-const
|
|
* pointer.
|
|
*/
|
|
finfo = &g_array_index(dump_open_table_arr, struct file_type_subtype_info, subtype);
|
|
/* unfortunately, it's not safe to null-out the name or short_name; bunch of other code doesn't guard aainst that, afaict */
|
|
/*finfo->name = NULL;*/
|
|
/*finfo->short_name = NULL;*/
|
|
finfo->default_file_extension = NULL;
|
|
finfo->additional_file_extensions = NULL;
|
|
finfo->writing_must_seek = FALSE;
|
|
finfo->has_name_resolution = FALSE;
|
|
finfo->supported_comment_types = 0;
|
|
finfo->can_write_encap = NULL;
|
|
finfo->dump_open = NULL;
|
|
finfo->wslua_info = NULL;
|
|
}
|
|
|
|
int
|
|
wtap_get_num_file_types_subtypes(void)
|
|
{
|
|
return wtap_num_file_types_subtypes;
|
|
}
|
|
|
|
/*
|
|
* Given a GArray of WTAP_ENCAP_ types, return the per-file encapsulation
|
|
* type that would be needed to write out a file with those types. If
|
|
* there's only one type, it's that type, otherwise it's
|
|
* WTAP_ENCAP_PER_PACKET.
|
|
*/
|
|
int
|
|
wtap_dump_file_encap_type(const GArray *file_encaps)
|
|
{
|
|
int encap;
|
|
|
|
encap = WTAP_ENCAP_PER_PACKET;
|
|
if (file_encaps->len == 1) {
|
|
/* OK, use the one-and-only encapsulation type. */
|
|
encap = g_array_index(file_encaps, gint, 0);
|
|
}
|
|
return encap;
|
|
}
|
|
|
|
static gboolean
|
|
wtap_dump_can_write_encap(int filetype, int encap)
|
|
{
|
|
int result = 0;
|
|
|
|
if (filetype < 0 || filetype >= wtap_num_file_types_subtypes
|
|
|| dump_open_table[filetype].can_write_encap == NULL)
|
|
return FALSE;
|
|
|
|
result = (*dump_open_table[filetype].can_write_encap)(encap);
|
|
|
|
if (result != 0) {
|
|
/* if the err said to check wslua's can_write_encap, try that */
|
|
if (result == WTAP_ERR_CHECK_WSLUA
|
|
&& dump_open_table[filetype].wslua_info != NULL
|
|
&& dump_open_table[filetype].wslua_info->wslua_can_write_encap != NULL) {
|
|
|
|
result = (*dump_open_table[filetype].wslua_info->wslua_can_write_encap)(encap, dump_open_table[filetype].wslua_info->wslua_data);
|
|
|
|
}
|
|
|
|
if (result != 0)
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* Return TRUE if a capture with a given GArray of encapsulation types
|
|
* and a given bitset of comment types can be written in a specified
|
|
* format, and FALSE if it can't.
|
|
*/
|
|
static gboolean
|
|
wtap_dump_can_write_format(int ft, const GArray *file_encaps,
|
|
guint32 required_comment_types)
|
|
{
|
|
guint i;
|
|
|
|
/*
|
|
* Can we write in this format?
|
|
*/
|
|
if (!wtap_dump_can_open(ft)) {
|
|
/* No. */
|
|
return FALSE;
|
|
}
|
|
|
|
/*
|
|
* Yes. Can we write out all the required comments in this
|
|
* format?
|
|
*/
|
|
if (!wtap_dump_supports_comment_types(ft, required_comment_types)) {
|
|
/* No. */
|
|
return FALSE;
|
|
}
|
|
|
|
/*
|
|
* Yes. Is the required per-file encapsulation type supported?
|
|
* This might be WTAP_ENCAP_PER_PACKET.
|
|
*/
|
|
if (!wtap_dump_can_write_encap(ft, wtap_dump_file_encap_type(file_encaps))) {
|
|
/* No. */
|
|
return FALSE;
|
|
}
|
|
|
|
/*
|
|
* Yes. Are all the individual encapsulation types supported?
|
|
*/
|
|
for (i = 0; i < file_encaps->len; i++) {
|
|
if (!wtap_dump_can_write_encap(ft,
|
|
g_array_index(file_encaps, int, i))) {
|
|
/* No - one of them isn't. */
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
/* Yes - we're OK. */
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* Return TRUE if we can write a file with the given GArray of
|
|
* encapsulation types and the given bitmask of comment types.
|
|
*/
|
|
gboolean
|
|
wtap_dump_can_write(const GArray *file_encaps, guint32 required_comment_types)
|
|
{
|
|
int ft;
|
|
|
|
for (ft = 0; ft < WTAP_NUM_FILE_TYPES_SUBTYPES; ft++) {
|
|
/* To save a file with Wiretap, Wiretap has to handle that format,
|
|
* and its code to handle that format must be able to write a file
|
|
* with this file's encapsulation types.
|
|
*/
|
|
if (wtap_dump_can_write_format(ft, file_encaps, required_comment_types)) {
|
|
/* OK, we can write it out in this type. */
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
/* No, we couldn't save it in any format. */
|
|
return FALSE;
|
|
}
|
|
|
|
/**
|
|
* Get a GArray of WTAP_FILE_TYPE_SUBTYPE_ values for file types/subtypes
|
|
* that can be used to save a file of a given type/subtype with a given
|
|
* GArray of encapsulation types and the given bitmask of comment types.
|
|
*/
|
|
GArray *
|
|
wtap_get_savable_file_types_subtypes(int file_type_subtype,
|
|
const GArray *file_encaps, guint32 required_comment_types)
|
|
{
|
|
GArray *savable_file_types_subtypes;
|
|
int ft;
|
|
int default_file_type_subtype = -1;
|
|
int other_file_type_subtype = -1;
|
|
|
|
/* Can we save this file in its own file type/subtype? */
|
|
if (wtap_dump_can_write_format(file_type_subtype, file_encaps,
|
|
required_comment_types)) {
|
|
/* Yes - make that the default file type/subtype. */
|
|
default_file_type_subtype = file_type_subtype;
|
|
} else {
|
|
/* OK, find the first file type/subtype we *can* save it as. */
|
|
default_file_type_subtype = -1;
|
|
for (ft = 0; ft < WTAP_NUM_FILE_TYPES_SUBTYPES; ft++) {
|
|
if (wtap_dump_can_write_format(ft, file_encaps,
|
|
required_comment_types)) {
|
|
/* OK, got it. */
|
|
default_file_type_subtype = ft;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (default_file_type_subtype == -1) {
|
|
/* We don't support writing this file as any file type/subtype. */
|
|
return NULL;
|
|
}
|
|
|
|
/* Allocate the array. */
|
|
savable_file_types_subtypes = g_array_new(FALSE, FALSE, (guint)sizeof (int));
|
|
|
|
/* Put the default file type/subtype first in the list. */
|
|
g_array_append_val(savable_file_types_subtypes, default_file_type_subtype);
|
|
|
|
/* If the default is pcap, put pcapng right after it if we can
|
|
also write it in pcapng format; otherwise, if the default is
|
|
pcapng, put pcap right after it if we can also write it in
|
|
pcap format. */
|
|
if (default_file_type_subtype == WTAP_FILE_TYPE_SUBTYPE_PCAP) {
|
|
if (wtap_dump_can_write_format(WTAP_FILE_TYPE_SUBTYPE_PCAPNG, file_encaps,
|
|
required_comment_types))
|
|
other_file_type_subtype = WTAP_FILE_TYPE_SUBTYPE_PCAPNG;
|
|
} else if (default_file_type_subtype == WTAP_FILE_TYPE_SUBTYPE_PCAPNG) {
|
|
if (wtap_dump_can_write_format(WTAP_FILE_TYPE_SUBTYPE_PCAP, file_encaps,
|
|
required_comment_types))
|
|
other_file_type_subtype = WTAP_FILE_TYPE_SUBTYPE_PCAP;
|
|
}
|
|
if (other_file_type_subtype != -1)
|
|
g_array_append_val(savable_file_types_subtypes, other_file_type_subtype);
|
|
|
|
/* Add all the other file types/subtypes that work. */
|
|
for (ft = 0; ft < WTAP_NUM_FILE_TYPES_SUBTYPES; ft++) {
|
|
if (ft == WTAP_FILE_TYPE_SUBTYPE_UNKNOWN)
|
|
continue; /* not a real file type */
|
|
if (ft == default_file_type_subtype || ft == other_file_type_subtype)
|
|
continue; /* we've already done this one */
|
|
if (wtap_dump_can_write_format(ft, file_encaps,
|
|
required_comment_types)) {
|
|
/* OK, we can write it out in this type. */
|
|
g_array_append_val(savable_file_types_subtypes, ft);
|
|
}
|
|
}
|
|
|
|
return savable_file_types_subtypes;
|
|
}
|
|
|
|
/* Name that should be somewhat descriptive. */
|
|
const char *
|
|
wtap_file_type_subtype_string(int file_type_subtype)
|
|
{
|
|
if (file_type_subtype < 0 || file_type_subtype >= wtap_num_file_types_subtypes) {
|
|
g_error("Unknown capture file type %d", file_type_subtype);
|
|
/** g_error() does an abort() and thus never returns **/
|
|
return "";
|
|
} else
|
|
return dump_open_table[file_type_subtype].name;
|
|
}
|
|
|
|
/* Name to use in, say, a command-line flag specifying the type/subtype. */
|
|
const char *
|
|
wtap_file_type_subtype_short_string(int file_type_subtype)
|
|
{
|
|
if (file_type_subtype < 0 || file_type_subtype >= wtap_num_file_types_subtypes)
|
|
return NULL;
|
|
else
|
|
return dump_open_table[file_type_subtype].short_name;
|
|
}
|
|
|
|
/* Translate a short name to a capture file type/subtype. */
|
|
int
|
|
wtap_short_string_to_file_type_subtype(const char *short_name)
|
|
{
|
|
int file_type_subtype;
|
|
|
|
for (file_type_subtype = 0; file_type_subtype < wtap_num_file_types_subtypes; file_type_subtype++) {
|
|
if (dump_open_table[file_type_subtype].short_name != NULL &&
|
|
strcmp(short_name, dump_open_table[file_type_subtype].short_name) == 0)
|
|
return file_type_subtype;
|
|
}
|
|
|
|
/*
|
|
* We now call the libpcap file format just pcap, but we allow
|
|
* the various variants of it to be specified using names
|
|
* containing "libpcap" as well as "pcap", for backwards
|
|
* compatibility.
|
|
*/
|
|
if (strcmp(short_name, "libpcap") == 0)
|
|
return WTAP_FILE_TYPE_SUBTYPE_PCAP;
|
|
else if (strcmp(short_name, "nseclibpcap") == 0)
|
|
return WTAP_FILE_TYPE_SUBTYPE_PCAP_NSEC;
|
|
else if (strcmp(short_name, "aixlibpcap") == 0)
|
|
return WTAP_FILE_TYPE_SUBTYPE_PCAP_AIX;
|
|
else if (strcmp(short_name, "modlibpcap") == 0)
|
|
return WTAP_FILE_TYPE_SUBTYPE_PCAP_SS991029;
|
|
else if (strcmp(short_name, "nokialibpcap") == 0)
|
|
return WTAP_FILE_TYPE_SUBTYPE_PCAP_NOKIA;
|
|
else if (strcmp(short_name, "rh6_1libpcap") == 0)
|
|
return WTAP_FILE_TYPE_SUBTYPE_PCAP_SS990417;
|
|
else if (strcmp(short_name, "suse6_3libpcap") == 0)
|
|
return WTAP_FILE_TYPE_SUBTYPE_PCAP_SS990915;
|
|
|
|
return -1; /* no such file type, or we can't write it */
|
|
}
|
|
|
|
static GSList *
|
|
add_extensions_for_file_type_subtype(int file_type_subtype, GSList *extensions,
|
|
GSList *compression_type_extensions)
|
|
{
|
|
gchar **extensions_set, **extensionp;
|
|
gchar *extension;
|
|
|
|
/*
|
|
* Add the default extension, and all of the compressed variants
|
|
* from the list of compressed-file extensions, if there is a
|
|
* default extension.
|
|
*/
|
|
if (dump_open_table[file_type_subtype].default_file_extension != NULL) {
|
|
extensions = add_extensions(extensions,
|
|
dump_open_table[file_type_subtype].default_file_extension,
|
|
compression_type_extensions);
|
|
}
|
|
|
|
if (dump_open_table[file_type_subtype].additional_file_extensions != NULL) {
|
|
/*
|
|
* We have additional extensions; add them.
|
|
*
|
|
* First, split the extension-list string into a set of
|
|
* extensions.
|
|
*/
|
|
extensions_set = g_strsplit(dump_open_table[file_type_subtype].additional_file_extensions,
|
|
";", 0);
|
|
|
|
/*
|
|
* Add each of those extensions to the list.
|
|
*/
|
|
for (extensionp = extensions_set; *extensionp != NULL;
|
|
extensionp++) {
|
|
extension = *extensionp;
|
|
|
|
/*
|
|
* Add the extension, and all compressed variants
|
|
* of it if requested.
|
|
*/
|
|
extensions = add_extensions(extensions, extension,
|
|
compression_type_extensions);
|
|
}
|
|
|
|
g_strfreev(extensions_set);
|
|
}
|
|
return extensions;
|
|
}
|
|
|
|
/* Return a list of file extensions that are used by the specified file type.
|
|
|
|
If include_compressed is TRUE, the list will include compressed
|
|
extensions, e.g. not just "pcap" but also "pcap.gz" if we can read
|
|
gzipped files.
|
|
|
|
All strings in the list are allocated with g_malloc() and must be freed
|
|
with g_free(). */
|
|
GSList *
|
|
wtap_get_file_extensions_list(int file_type_subtype, gboolean include_compressed)
|
|
{
|
|
GSList *extensions, *compression_type_extensions;
|
|
|
|
if (file_type_subtype < 0 || file_type_subtype >= wtap_num_file_types_subtypes)
|
|
return NULL; /* not a valid file type */
|
|
|
|
if (dump_open_table[file_type_subtype].default_file_extension == NULL)
|
|
return NULL; /* valid, but no extensions known */
|
|
|
|
extensions = NULL; /* empty list, to start with */
|
|
|
|
/*
|
|
* Add all this file type's extensions, with compressed
|
|
* variants if include_compressed is true.
|
|
*/
|
|
if (include_compressed) {
|
|
/*
|
|
* Get compression-type extensions, if any.
|
|
*/
|
|
compression_type_extensions = wtap_get_all_compression_type_extensions_list();
|
|
} else {
|
|
/*
|
|
* We don't want the compressed file extensions.
|
|
*/
|
|
compression_type_extensions = NULL;
|
|
}
|
|
extensions = add_extensions_for_file_type_subtype(file_type_subtype, extensions,
|
|
compression_type_extensions);
|
|
|
|
g_slist_free(compression_type_extensions);
|
|
|
|
return extensions;
|
|
}
|
|
|
|
/* Return a list of all extensions that are used by all file types that
|
|
we can read, including compressed extensions, e.g. not just "pcap" but
|
|
also "pcap.gz" if we can read gzipped files.
|
|
|
|
"File type" means "include file types that correspond to collections
|
|
of network packets, as well as file types that store data that just
|
|
happens to be transported over protocols such as HTTP but that aren't
|
|
collections of network packets, and plain text files".
|
|
|
|
All strings in the list are allocated with g_malloc() and must be freed
|
|
with g_free(). */
|
|
GSList *
|
|
wtap_get_all_file_extensions_list(void)
|
|
{
|
|
GSList *extensions, *compression_type_extensions;
|
|
int i;
|
|
|
|
extensions = NULL; /* empty list, to start with */
|
|
|
|
/*
|
|
* Get compression-type extensions, if any.
|
|
*/
|
|
compression_type_extensions = wtap_get_all_compression_type_extensions_list();
|
|
|
|
for (i = 0; i < WTAP_NUM_FILE_TYPES_SUBTYPES; i++) {
|
|
extensions = add_extensions_for_file_type_subtype(i, extensions,
|
|
compression_type_extensions);
|
|
}
|
|
|
|
g_slist_free(compression_type_extensions);
|
|
|
|
return extensions;
|
|
}
|
|
|
|
/*
|
|
* Free a list returned by wtap_get_file_extension_type_extensions(),
|
|
* wtap_get_all_capture_file_extensions_list, wtap_get_file_extensions_list(),
|
|
* or wtap_get_all_file_extensions_list().
|
|
*/
|
|
void
|
|
wtap_free_extensions_list(GSList *extensions)
|
|
{
|
|
GSList *extension;
|
|
|
|
for (extension = extensions; extension != NULL;
|
|
extension = g_slist_next(extension)) {
|
|
g_free(extension->data);
|
|
}
|
|
g_slist_free(extensions);
|
|
}
|
|
|
|
/* Return the default file extension to use with the specified file type;
|
|
that's just the extension, without any ".". */
|
|
const char *
|
|
wtap_default_file_extension(int file_type_subtype)
|
|
{
|
|
if (file_type_subtype < 0 || file_type_subtype >= wtap_num_file_types_subtypes)
|
|
return NULL;
|
|
else
|
|
return dump_open_table[file_type_subtype].default_file_extension;
|
|
}
|
|
|
|
gboolean
|
|
wtap_dump_can_open(int file_type_subtype)
|
|
{
|
|
if (file_type_subtype < 0 || file_type_subtype >= wtap_num_file_types_subtypes
|
|
|| dump_open_table[file_type_subtype].dump_open == NULL)
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
#ifdef HAVE_ZLIB
|
|
gboolean
|
|
wtap_dump_can_compress(int file_type_subtype)
|
|
{
|
|
/*
|
|
* If this is an unknown file type, or if we have to
|
|
* seek when writing out a file with this file type,
|
|
* return FALSE.
|
|
*/
|
|
if (file_type_subtype < 0 || file_type_subtype >= wtap_num_file_types_subtypes
|
|
|| dump_open_table[file_type_subtype].writing_must_seek)
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
#else
|
|
gboolean
|
|
wtap_dump_can_compress(int file_type_subtype _U_)
|
|
{
|
|
return FALSE;
|
|
}
|
|
#endif
|
|
|
|
gboolean
|
|
wtap_dump_has_name_resolution(int file_type_subtype)
|
|
{
|
|
if (file_type_subtype < 0 || file_type_subtype >= wtap_num_file_types_subtypes
|
|
|| dump_open_table[file_type_subtype].has_name_resolution == FALSE)
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
gboolean
|
|
wtap_dump_supports_comment_types(int file_type_subtype, guint32 comment_types)
|
|
{
|
|
guint32 supported_comment_types;
|
|
|
|
if (file_type_subtype < 0 || file_type_subtype >= wtap_num_file_types_subtypes)
|
|
return FALSE;
|
|
|
|
supported_comment_types = dump_open_table[file_type_subtype].supported_comment_types;
|
|
|
|
if ((comment_types & supported_comment_types) == comment_types)
|
|
return TRUE;
|
|
return FALSE;
|
|
}
|
|
|
|
static gboolean wtap_dump_open_check(int file_type_subtype, int encap, gboolean compressed, int *err);
|
|
static wtap_dumper* wtap_dump_alloc_wdh(int file_type_subtype, int encap, int snaplen,
|
|
wtap_compression_type compression_type,
|
|
int *err);
|
|
static gboolean wtap_dump_open_finish(wtap_dumper *wdh, int file_type_subtype,
|
|
int *err);
|
|
|
|
static WFILE_T wtap_dump_file_open(wtap_dumper *wdh, const char *filename);
|
|
static WFILE_T wtap_dump_file_fdopen(wtap_dumper *wdh, int fd);
|
|
static int wtap_dump_file_close(wtap_dumper *wdh);
|
|
|
|
static wtap_dumper *
|
|
wtap_dump_init_dumper(int file_type_subtype, wtap_compression_type compression_type,
|
|
const wtap_dump_params *params, int *err)
|
|
{
|
|
wtap_dumper *wdh;
|
|
wtap_block_t descr, file_int_data;
|
|
wtapng_if_descr_mandatory_t *descr_mand, *file_int_data_mand;
|
|
GArray *interfaces = params->idb_inf ? params->idb_inf->interface_data : NULL;
|
|
|
|
/* Check whether we can open a capture file with that file type
|
|
and that encapsulation, and, if the compression type isn't
|
|
"uncompressed", whether we can write a *compressed* file
|
|
of that file type. */
|
|
if (!wtap_dump_open_check(file_type_subtype, params->encap,
|
|
(compression_type != WTAP_UNCOMPRESSED), err))
|
|
return NULL;
|
|
|
|
/* Allocate a data structure for the output stream. */
|
|
wdh = wtap_dump_alloc_wdh(file_type_subtype, params->encap,
|
|
params->snaplen, compression_type, err);
|
|
if (wdh == NULL)
|
|
return NULL; /* couldn't allocate it */
|
|
|
|
/* Set Section Header Block data */
|
|
wdh->shb_hdrs = params->shb_hdrs;
|
|
/* Set Name Resolution Block data */
|
|
wdh->nrb_hdrs = params->nrb_hdrs;
|
|
/* Set Interface Description Block data */
|
|
if (interfaces && interfaces->len) {
|
|
guint itf_count;
|
|
|
|
/* Note: this memory is owned by wtap_dumper and will become
|
|
* invalid after wtap_dump_close. */
|
|
for (itf_count = 0; itf_count < interfaces->len; itf_count++) {
|
|
file_int_data = g_array_index(interfaces, wtap_block_t, itf_count);
|
|
file_int_data_mand = (wtapng_if_descr_mandatory_t*)wtap_block_get_mandatory_data(file_int_data);
|
|
descr = wtap_block_create(WTAP_BLOCK_IF_DESCR);
|
|
wtap_block_copy(descr, file_int_data);
|
|
if ((params->encap != WTAP_ENCAP_PER_PACKET) && (params->encap != file_int_data_mand->wtap_encap)) {
|
|
descr_mand = (wtapng_if_descr_mandatory_t*)wtap_block_get_mandatory_data(descr);
|
|
descr_mand->wtap_encap = params->encap;
|
|
}
|
|
g_array_append_val(wdh->interface_data, descr);
|
|
}
|
|
} else {
|
|
int snaplen;
|
|
|
|
// XXX IDBs should be optional.
|
|
descr = wtap_block_create(WTAP_BLOCK_IF_DESCR);
|
|
descr_mand = (wtapng_if_descr_mandatory_t*)wtap_block_get_mandatory_data(descr);
|
|
descr_mand->wtap_encap = params->encap;
|
|
descr_mand->tsprecision = params->tsprec;
|
|
switch (params->tsprec) {
|
|
|
|
case WTAP_TSPREC_SEC:
|
|
descr_mand->time_units_per_second = 1;
|
|
break;
|
|
|
|
case WTAP_TSPREC_DSEC:
|
|
descr_mand->time_units_per_second = 10;
|
|
break;
|
|
|
|
case WTAP_TSPREC_CSEC:
|
|
descr_mand->time_units_per_second = 100;
|
|
break;
|
|
|
|
case WTAP_TSPREC_MSEC:
|
|
descr_mand->time_units_per_second = 1000;
|
|
break;
|
|
|
|
case WTAP_TSPREC_USEC:
|
|
descr_mand->time_units_per_second = 1000000;
|
|
break;
|
|
|
|
case WTAP_TSPREC_NSEC:
|
|
descr_mand->time_units_per_second = 1000000000;
|
|
break;
|
|
|
|
default:
|
|
descr_mand->time_units_per_second = 1000000; /* default microsecond resolution */
|
|
break;
|
|
}
|
|
snaplen = params->snaplen;
|
|
if (snaplen == 0) {
|
|
/*
|
|
* No snapshot length was specified. Pick an
|
|
* appropriate snapshot length for this
|
|
* link-layer type.
|
|
*
|
|
* We use WTAP_MAX_PACKET_SIZE_STANDARD for everything except
|
|
* D-Bus, which has a maximum packet size of 128MB,
|
|
* and EBHSCR, which has a maximum packet size of 8MB,
|
|
* which is more than we want to put into files
|
|
* with other link-layer header types, as that
|
|
* might cause some software reading those files
|
|
* to allocate an unnecessarily huge chunk of
|
|
* memory for a packet buffer.
|
|
*/
|
|
if (params->encap == WTAP_ENCAP_DBUS)
|
|
snaplen = 128*1024*1024;
|
|
else if (params->encap == WTAP_ENCAP_EBHSCR)
|
|
snaplen = 8*1024*1024;
|
|
else
|
|
snaplen = WTAP_MAX_PACKET_SIZE_STANDARD;
|
|
}
|
|
descr_mand->snap_len = snaplen;
|
|
descr_mand->num_stat_entries = 0; /* Number of ISB:s */
|
|
descr_mand->interface_statistics = NULL;
|
|
g_array_append_val(wdh->interface_data, descr);
|
|
}
|
|
/* Set Decryption Secrets Blocks */
|
|
wdh->dsbs_initial = params->dsbs_initial;
|
|
wdh->dsbs_growing = params->dsbs_growing;
|
|
return wdh;
|
|
}
|
|
|
|
wtap_dumper *
|
|
wtap_dump_open(const char *filename, int file_type_subtype,
|
|
wtap_compression_type compression_type, const wtap_dump_params *params,
|
|
int *err)
|
|
{
|
|
wtap_dumper *wdh;
|
|
WFILE_T fh;
|
|
|
|
/* Allocate and initialize a data structure for the output stream. */
|
|
wdh = wtap_dump_init_dumper(file_type_subtype, compression_type, params,
|
|
err);
|
|
if (wdh == NULL)
|
|
return NULL;
|
|
|
|
/* In case "fopen()" fails but doesn't set "errno", set "errno"
|
|
to a generic "the open failed" error. */
|
|
errno = WTAP_ERR_CANT_OPEN;
|
|
fh = wtap_dump_file_open(wdh, filename);
|
|
if (fh == NULL) {
|
|
*err = errno;
|
|
g_free(wdh);
|
|
return NULL; /* can't create file */
|
|
}
|
|
wdh->fh = fh;
|
|
|
|
if (!wtap_dump_open_finish(wdh, file_type_subtype, err)) {
|
|
/* Get rid of the file we created; we couldn't finish
|
|
opening it. */
|
|
wtap_dump_file_close(wdh);
|
|
ws_unlink(filename);
|
|
g_free(wdh);
|
|
return NULL;
|
|
}
|
|
return wdh;
|
|
}
|
|
|
|
wtap_dumper *
|
|
wtap_dump_open_tempfile(char **filenamep, const char *pfx,
|
|
int file_type_subtype, wtap_compression_type compression_type,
|
|
const wtap_dump_params *params, int *err)
|
|
{
|
|
int fd;
|
|
const char *ext;
|
|
char sfx[16];
|
|
wtap_dumper *wdh;
|
|
WFILE_T fh;
|
|
|
|
/* No path name for the temporary file yet. */
|
|
*filenamep = NULL;
|
|
|
|
/* Allocate and initialize a data structure for the output stream. */
|
|
wdh = wtap_dump_init_dumper(file_type_subtype, compression_type, params,
|
|
err);
|
|
if (wdh == NULL)
|
|
return NULL;
|
|
|
|
/* Choose an appropriate suffix for the file */
|
|
ext = wtap_default_file_extension(file_type_subtype);
|
|
if (ext == NULL)
|
|
ext = "tmp";
|
|
sfx[0] = '.';
|
|
sfx[1] = '\0';
|
|
g_strlcat(sfx, ext, 16);
|
|
|
|
/* Choose a random name for the file */
|
|
fd = create_tempfile(filenamep, pfx, sfx, NULL);
|
|
if (fd == -1) {
|
|
*err = WTAP_ERR_CANT_OPEN;
|
|
g_free(wdh);
|
|
return NULL; /* can't create file */
|
|
}
|
|
|
|
/* In case "fopen()" fails but doesn't set "errno", set "errno"
|
|
to a generic "the open failed" error. */
|
|
errno = WTAP_ERR_CANT_OPEN;
|
|
fh = wtap_dump_file_fdopen(wdh, fd);
|
|
if (fh == NULL) {
|
|
*err = errno;
|
|
ws_close(fd);
|
|
g_free(wdh);
|
|
return NULL; /* can't create file */
|
|
}
|
|
wdh->fh = fh;
|
|
|
|
if (!wtap_dump_open_finish(wdh, file_type_subtype, err)) {
|
|
/* Get rid of the file we created; we couldn't finish
|
|
opening it. */
|
|
wtap_dump_file_close(wdh);
|
|
ws_unlink(*filenamep);
|
|
g_free(wdh);
|
|
return NULL;
|
|
}
|
|
return wdh;
|
|
}
|
|
|
|
wtap_dumper *
|
|
wtap_dump_fdopen(int fd, int file_type_subtype, wtap_compression_type compression_type,
|
|
const wtap_dump_params *params, int *err)
|
|
{
|
|
wtap_dumper *wdh;
|
|
WFILE_T fh;
|
|
|
|
/* Allocate and initialize a data structure for the output stream. */
|
|
wdh = wtap_dump_init_dumper(file_type_subtype, compression_type, params,
|
|
err);
|
|
if (wdh == NULL)
|
|
return NULL;
|
|
|
|
/* In case "fopen()" fails but doesn't set "errno", set "errno"
|
|
to a generic "the open failed" error. */
|
|
errno = WTAP_ERR_CANT_OPEN;
|
|
fh = wtap_dump_file_fdopen(wdh, fd);
|
|
if (fh == NULL) {
|
|
*err = errno;
|
|
g_free(wdh);
|
|
return NULL; /* can't create standard I/O stream */
|
|
}
|
|
wdh->fh = fh;
|
|
|
|
if (!wtap_dump_open_finish(wdh, file_type_subtype, err)) {
|
|
wtap_dump_file_close(wdh);
|
|
g_free(wdh);
|
|
return NULL;
|
|
}
|
|
return wdh;
|
|
}
|
|
|
|
wtap_dumper *
|
|
wtap_dump_open_stdout(int file_type_subtype, wtap_compression_type compression_type,
|
|
const wtap_dump_params *params, int *err)
|
|
{
|
|
int new_fd;
|
|
wtap_dumper *wdh;
|
|
|
|
/*
|
|
* Duplicate the file descriptor, so that we can close the
|
|
* wtap_dumper handle the same way we close any other
|
|
* wtap_dumper handle, without closing the standard output.
|
|
*/
|
|
new_fd = ws_dup(1);
|
|
if (new_fd == -1) {
|
|
/* dup failed */
|
|
*err = errno;
|
|
return NULL;
|
|
}
|
|
#ifdef _WIN32
|
|
/*
|
|
* Put the new descriptor into binary mode.
|
|
*
|
|
* XXX - even if the file format we're writing is a text
|
|
* format?
|
|
*/
|
|
if (_setmode(new_fd, O_BINARY) == -1) {
|
|
/* "Should not happen" */
|
|
*err = errno;
|
|
ws_close(new_fd);
|
|
return NULL;
|
|
}
|
|
#endif
|
|
|
|
wdh = wtap_dump_fdopen(new_fd, file_type_subtype, compression_type,
|
|
params, err);
|
|
if (wdh == NULL) {
|
|
/* Failed; close the new FD */
|
|
ws_close(new_fd);
|
|
return NULL;
|
|
}
|
|
return wdh;
|
|
}
|
|
|
|
static gboolean
|
|
wtap_dump_open_check(int file_type_subtype, int encap, gboolean compressed, int *err)
|
|
{
|
|
if (!wtap_dump_can_open(file_type_subtype)) {
|
|
/* Invalid type, or type we don't know how to write. */
|
|
*err = WTAP_ERR_UNWRITABLE_FILE_TYPE;
|
|
return FALSE;
|
|
}
|
|
|
|
/* OK, we know how to write that type; can we write the specified
|
|
encapsulation type? */
|
|
*err = (*dump_open_table[file_type_subtype].can_write_encap)(encap);
|
|
/* if the err said to check wslua's can_write_encap, try that */
|
|
if (*err == WTAP_ERR_CHECK_WSLUA
|
|
&& dump_open_table[file_type_subtype].wslua_info != NULL
|
|
&& dump_open_table[file_type_subtype].wslua_info->wslua_can_write_encap != NULL) {
|
|
|
|
*err = (*dump_open_table[file_type_subtype].wslua_info->wslua_can_write_encap)(encap, dump_open_table[file_type_subtype].wslua_info->wslua_data);
|
|
|
|
}
|
|
|
|
if (*err != 0)
|
|
return FALSE;
|
|
|
|
/* if compression is wanted, do we support this for this file_type_subtype? */
|
|
if(compressed && !wtap_dump_can_compress(file_type_subtype)) {
|
|
*err = WTAP_ERR_COMPRESSION_NOT_SUPPORTED;
|
|
return FALSE;
|
|
}
|
|
|
|
/* All systems go! */
|
|
return TRUE;
|
|
}
|
|
|
|
static wtap_dumper *
|
|
wtap_dump_alloc_wdh(int file_type_subtype, int encap, int snaplen,
|
|
wtap_compression_type compression_type, int *err)
|
|
{
|
|
wtap_dumper *wdh;
|
|
|
|
wdh = (wtap_dumper *)g_malloc0(sizeof (wtap_dumper));
|
|
if (wdh == NULL) {
|
|
*err = errno;
|
|
return NULL;
|
|
}
|
|
|
|
wdh->file_type_subtype = file_type_subtype;
|
|
wdh->snaplen = snaplen;
|
|
wdh->encap = encap;
|
|
wdh->compression_type = compression_type;
|
|
wdh->wslua_data = NULL;
|
|
wdh->interface_data = g_array_new(FALSE, FALSE, sizeof(wtap_block_t));
|
|
return wdh;
|
|
}
|
|
|
|
static gboolean
|
|
wtap_dump_open_finish(wtap_dumper *wdh, int file_type_subtype, int *err)
|
|
{
|
|
int fd;
|
|
gboolean cant_seek;
|
|
|
|
/* Can we do a seek on the file descriptor?
|
|
If not, note that fact. */
|
|
if (wdh->compression_type != WTAP_UNCOMPRESSED) {
|
|
cant_seek = TRUE;
|
|
} else {
|
|
fd = ws_fileno((FILE *)wdh->fh);
|
|
if (ws_lseek64(fd, 1, SEEK_CUR) == (off_t) -1)
|
|
cant_seek = TRUE;
|
|
else {
|
|
/* Undo the seek. */
|
|
ws_lseek64(fd, 0, SEEK_SET);
|
|
cant_seek = FALSE;
|
|
}
|
|
}
|
|
|
|
/* If this file type requires seeking, and we can't seek, fail. */
|
|
if (dump_open_table[file_type_subtype].writing_must_seek && cant_seek) {
|
|
*err = WTAP_ERR_CANT_WRITE_TO_PIPE;
|
|
return FALSE;
|
|
}
|
|
|
|
/* Set wdh with wslua data if any - this is how we pass the data
|
|
* to the file writer.
|
|
*/
|
|
if (dump_open_table[file_type_subtype].wslua_info)
|
|
wdh->wslua_data = dump_open_table[file_type_subtype].wslua_info->wslua_data;
|
|
|
|
/* Now try to open the file for writing. */
|
|
if (!(*dump_open_table[file_type_subtype].dump_open)(wdh, err)) {
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE; /* success! */
|
|
}
|
|
|
|
gboolean
|
|
wtap_dump(wtap_dumper *wdh, const wtap_rec *rec,
|
|
const guint8 *pd, int *err, gchar **err_info)
|
|
{
|
|
*err = 0;
|
|
*err_info = NULL;
|
|
return (wdh->subtype_write)(wdh, rec, pd, err, err_info);
|
|
}
|
|
|
|
gboolean
|
|
wtap_dump_flush(wtap_dumper *wdh, int *err)
|
|
{
|
|
#ifdef HAVE_ZLIB
|
|
if (wdh->compression_type == WTAP_GZIP_COMPRESSED) {
|
|
if (gzwfile_flush((GZWFILE_T)wdh->fh) == -1) {
|
|
*err = gzwfile_geterr((GZWFILE_T)wdh->fh);
|
|
return FALSE;
|
|
}
|
|
} else
|
|
#endif
|
|
{
|
|
if (fflush((FILE *)wdh->fh) == EOF) {
|
|
*err = errno;
|
|
return FALSE;
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
gboolean
|
|
wtap_dump_close(wtap_dumper *wdh, int *err)
|
|
{
|
|
gboolean ret = TRUE;
|
|
|
|
if (wdh->subtype_finish != NULL) {
|
|
/* There's a finish routine for this dump stream. */
|
|
if (!(wdh->subtype_finish)(wdh, err))
|
|
ret = FALSE;
|
|
}
|
|
errno = WTAP_ERR_CANT_CLOSE;
|
|
if (wtap_dump_file_close(wdh) == EOF) {
|
|
if (ret) {
|
|
/* The per-format finish function succeeded,
|
|
but the stream close didn't. Save the
|
|
reason why, if our caller asked for it. */
|
|
if (err != NULL)
|
|
*err = errno;
|
|
}
|
|
ret = FALSE;
|
|
}
|
|
g_free(wdh->priv);
|
|
wtap_block_array_free(wdh->interface_data);
|
|
wtap_block_array_free(wdh->dsbs_initial);
|
|
g_free(wdh);
|
|
return ret;
|
|
}
|
|
|
|
gint64
|
|
wtap_get_bytes_dumped(wtap_dumper *wdh)
|
|
{
|
|
return wdh->bytes_dumped;
|
|
}
|
|
|
|
void
|
|
wtap_set_bytes_dumped(wtap_dumper *wdh, gint64 bytes_dumped)
|
|
{
|
|
wdh->bytes_dumped = bytes_dumped;
|
|
}
|
|
|
|
gboolean
|
|
wtap_addrinfo_list_empty(addrinfo_lists_t *addrinfo_lists)
|
|
{
|
|
return (addrinfo_lists == NULL) ||
|
|
((addrinfo_lists->ipv4_addr_list == NULL) &&
|
|
(addrinfo_lists->ipv6_addr_list == NULL));
|
|
}
|
|
|
|
gboolean
|
|
wtap_dump_set_addrinfo_list(wtap_dumper *wdh, addrinfo_lists_t *addrinfo_lists)
|
|
{
|
|
if (!wdh || wdh->file_type_subtype < 0 || wdh->file_type_subtype >= wtap_num_file_types_subtypes
|
|
|| dump_open_table[wdh->file_type_subtype].has_name_resolution == FALSE)
|
|
return FALSE;
|
|
wdh->addrinfo_lists = addrinfo_lists;
|
|
return TRUE;
|
|
}
|
|
|
|
void
|
|
wtap_dump_discard_decryption_secrets(wtap_dumper *wdh)
|
|
{
|
|
/*
|
|
* This doesn't free the data, as it might be pointed to
|
|
* from other structures; it merely marks all of them as
|
|
* having been written to the file, so that they don't
|
|
* get written by wtap_dump().
|
|
*
|
|
* XXX - our APIs for dealing with some metadata, such as
|
|
* resolved names, decryption secrets, and interface
|
|
* statistics is not very well oriented towards one-pass
|
|
* programs; this needs to be cleaned up. See bug 15502.
|
|
*/
|
|
if (wdh->dsbs_growing) {
|
|
/*
|
|
* Pretend we've written all of them.
|
|
*/
|
|
wdh->dsbs_growing_written = wdh->dsbs_growing->len;
|
|
}
|
|
}
|
|
|
|
gboolean wtap_dump_get_needs_reload(wtap_dumper *wdh) {
|
|
return wdh->needs_reload;
|
|
}
|
|
|
|
/* internally open a file for writing (compressed or not) */
|
|
#ifdef HAVE_ZLIB
|
|
static WFILE_T
|
|
wtap_dump_file_open(wtap_dumper *wdh, const char *filename)
|
|
{
|
|
if (wdh->compression_type == WTAP_GZIP_COMPRESSED) {
|
|
return gzwfile_open(filename);
|
|
} else {
|
|
return ws_fopen(filename, "wb");
|
|
}
|
|
}
|
|
#else
|
|
static WFILE_T
|
|
wtap_dump_file_open(wtap_dumper *wdh _U_, const char *filename)
|
|
{
|
|
return ws_fopen(filename, "wb");
|
|
}
|
|
#endif
|
|
|
|
/* internally open a file for writing (compressed or not) */
|
|
#ifdef HAVE_ZLIB
|
|
static WFILE_T
|
|
wtap_dump_file_fdopen(wtap_dumper *wdh, int fd)
|
|
{
|
|
if (wdh->compression_type == WTAP_GZIP_COMPRESSED) {
|
|
return gzwfile_fdopen(fd);
|
|
} else {
|
|
return ws_fdopen(fd, "wb");
|
|
}
|
|
}
|
|
#else
|
|
static WFILE_T
|
|
wtap_dump_file_fdopen(wtap_dumper *wdh _U_, int fd)
|
|
{
|
|
return ws_fdopen(fd, "wb");
|
|
}
|
|
#endif
|
|
|
|
/* internally writing raw bytes (compressed or not) */
|
|
gboolean
|
|
wtap_dump_file_write(wtap_dumper *wdh, const void *buf, size_t bufsize, int *err)
|
|
{
|
|
size_t nwritten;
|
|
|
|
#ifdef HAVE_ZLIB
|
|
if (wdh->compression_type == WTAP_GZIP_COMPRESSED) {
|
|
nwritten = gzwfile_write((GZWFILE_T)wdh->fh, buf, (unsigned int) bufsize);
|
|
/*
|
|
* gzwfile_write() returns 0 on error.
|
|
*/
|
|
if (nwritten == 0) {
|
|
*err = gzwfile_geterr((GZWFILE_T)wdh->fh);
|
|
return FALSE;
|
|
}
|
|
} else
|
|
#endif
|
|
{
|
|
errno = WTAP_ERR_CANT_WRITE;
|
|
nwritten = fwrite(buf, 1, bufsize, (FILE *)wdh->fh);
|
|
/*
|
|
* At least according to the macOS man page,
|
|
* this can return a short count on an error.
|
|
*/
|
|
if (nwritten != bufsize) {
|
|
if (ferror((FILE *)wdh->fh))
|
|
*err = errno;
|
|
else
|
|
*err = WTAP_ERR_SHORT_WRITE;
|
|
return FALSE;
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
/* internally close a file for writing (compressed or not) */
|
|
static int
|
|
wtap_dump_file_close(wtap_dumper *wdh)
|
|
{
|
|
#ifdef HAVE_ZLIB
|
|
if (wdh->compression_type == WTAP_GZIP_COMPRESSED)
|
|
return gzwfile_close((GZWFILE_T)wdh->fh);
|
|
else
|
|
#endif
|
|
return fclose((FILE *)wdh->fh);
|
|
}
|
|
|
|
gint64
|
|
wtap_dump_file_seek(wtap_dumper *wdh, gint64 offset, int whence, int *err)
|
|
{
|
|
#ifdef HAVE_ZLIB
|
|
if (wdh->compression_type != WTAP_UNCOMPRESSED) {
|
|
*err = WTAP_ERR_CANT_SEEK_COMPRESSED;
|
|
return -1;
|
|
} else
|
|
#endif
|
|
{
|
|
if (-1 == ws_fseek64((FILE *)wdh->fh, offset, whence)) {
|
|
*err = errno;
|
|
return -1;
|
|
} else
|
|
{
|
|
return 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
gint64
|
|
wtap_dump_file_tell(wtap_dumper *wdh, int *err)
|
|
{
|
|
gint64 rval;
|
|
#ifdef HAVE_ZLIB
|
|
if (wdh->compression_type != WTAP_UNCOMPRESSED) {
|
|
*err = WTAP_ERR_CANT_SEEK_COMPRESSED;
|
|
return -1;
|
|
} else
|
|
#endif
|
|
{
|
|
if (-1 == (rval = ws_ftell64((FILE *)wdh->fh))) {
|
|
*err = errno;
|
|
return -1;
|
|
} else
|
|
{
|
|
return rval;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
cleanup_open_routines(void)
|
|
{
|
|
guint i;
|
|
struct open_info *i_open;
|
|
|
|
if (open_routines != NULL && open_info_arr) {
|
|
for (i = 0, i_open = open_routines; i < open_info_arr->len; i++, i_open++) {
|
|
if (i_open->extensions != NULL)
|
|
g_strfreev(i_open->extensions_set);
|
|
}
|
|
|
|
g_array_free(open_info_arr, TRUE);
|
|
open_info_arr = NULL;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - https://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 8
|
|
* tab-width: 8
|
|
* indent-tabs-mode: t
|
|
* End:
|
|
*
|
|
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
|
|
* :indentSize=8:tabSize=8:noTabs=false:
|
|
*/
|