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-rw-r--r--wiretap/snoop.c215
1 files changed, 108 insertions, 107 deletions
diff --git a/wiretap/snoop.c b/wiretap/snoop.c
index 8621be6e..3db70920 100644
--- a/wiretap/snoop.c
+++ b/wiretap/snoop.c
@@ -7,18 +7,19 @@
*/
#include "config.h"
+#include "snoop.h"
+
#include <string.h>
#include "wtap-int.h"
#include "file_wrappers.h"
#include "atm.h"
-#include "snoop.h"
#include <wsutil/802_11-utils.h>
#include <wsutil/ws_roundup.h>
/* See RFC 1761 for a description of the "snoop" file format. */
typedef struct {
- gboolean is_shomiti;
+ bool is_shomiti;
} snoop_t;
/* Magic number in "snoop" files. */
@@ -28,27 +29,27 @@ static const char snoop_magic[] = {
/* "snoop" file header (minus magic number). */
struct snoop_hdr {
- guint32 version; /* version number (should be 2) */
- guint32 network; /* network type */
+ uint32_t version; /* version number (should be 2) */
+ uint32_t network; /* network type */
};
/* "snoop" record header. */
struct snooprec_hdr {
- guint32 orig_len; /* actual length of packet */
- guint32 incl_len; /* number of octets captured in file */
- guint32 rec_len; /* length of record */
- guint32 cum_drops; /* cumulative number of dropped packets */
- guint32 ts_sec; /* timestamp seconds */
- guint32 ts_usec; /* timestamp microseconds */
+ uint32_t orig_len; /* actual length of packet */
+ uint32_t incl_len; /* number of octets captured in file */
+ uint32_t rec_len; /* length of record */
+ uint32_t cum_drops; /* cumulative number of dropped packets */
+ uint32_t ts_sec; /* timestamp seconds */
+ uint32_t ts_usec; /* timestamp microseconds */
};
/*
* The link-layer header on ATM packets.
*/
struct snoop_atm_hdr {
- guint8 flags; /* destination and traffic type */
- guint8 vpi; /* VPI */
- guint16 vci; /* VCI */
+ uint8_t flags; /* destination and traffic type */
+ uint8_t vpi; /* VPI */
+ uint16_t vci; /* VCI */
};
/*
@@ -56,11 +57,11 @@ struct snoop_atm_hdr {
* captures.
*/
struct shomiti_trailer {
- guint16 phy_rx_length; /* length on the wire, including FCS? */
- guint16 phy_rx_status; /* status flags */
- guint32 ts_40_ns_lsb; /* 40 ns time stamp, low-order bytes? */
- guint32 ts_40_ns_msb; /* 40 ns time stamp, low-order bytes? */
- gint32 frame_id; /* "FrameID"? */
+ uint16_t phy_rx_length; /* length on the wire, including FCS? */
+ uint16_t phy_rx_status; /* status flags */
+ uint32_t ts_40_ns_lsb; /* 40 ns time stamp, low-order bytes? */
+ uint32_t ts_40_ns_msb; /* 40 ns time stamp, low-order bytes? */
+ int32_t frame_id; /* "FrameID"? */
};
/*
@@ -77,19 +78,19 @@ struct shomiti_trailer {
#define RX_STATUS_FIFO_ERROR 0x0080 /* receive FIFO error */
#define RX_STATUS_TRIGGERED 0x0001 /* frame did trigger */
-static gboolean snoop_read(wtap *wth, wtap_rec *rec, Buffer *buf,
- int *err, gchar **err_info, gint64 *data_offset);
-static gboolean snoop_seek_read(wtap *wth, gint64 seek_off,
- wtap_rec *rec, Buffer *buf, int *err, gchar **err_info);
+static bool snoop_read(wtap *wth, wtap_rec *rec, Buffer *buf,
+ int *err, char **err_info, int64_t *data_offset);
+static bool snoop_seek_read(wtap *wth, int64_t seek_off,
+ wtap_rec *rec, Buffer *buf, int *err, char **err_info);
static int snoop_read_packet(wtap *wth, FILE_T fh, wtap_rec *rec,
- Buffer *buf, int *err, gchar **err_info);
-static gboolean snoop_read_atm_pseudoheader(FILE_T fh,
- union wtap_pseudo_header *pseudo_header, int *err, gchar **err_info);
-static gboolean snoop_read_shomiti_wireless_pseudoheader(FILE_T fh,
- union wtap_pseudo_header *pseudo_header, int *err, gchar **err_info,
+ Buffer *buf, int *err, char **err_info);
+static bool snoop_read_atm_pseudoheader(FILE_T fh,
+ union wtap_pseudo_header *pseudo_header, int *err, char **err_info);
+static bool snoop_read_shomiti_wireless_pseudoheader(FILE_T fh,
+ union wtap_pseudo_header *pseudo_header, int *err, char **err_info,
int *header_size);
-static gboolean snoop_dump(wtap_dumper *wdh, const wtap_rec *rec,
- const guint8 *pd, int *err, gchar **err_info);
+static bool snoop_dump(wtap_dumper *wdh, const wtap_rec *rec,
+ const uint8_t *pd, int *err, char **err_info);
static int snoop_file_type_subtype = -1;
static int shomiti_file_type_subtype = -1;
@@ -175,13 +176,13 @@ void register_snoop(void);
* 4MB from 16MB Token Ring, and distinguishing both of them from the
* "Shomiti" versions of same.
*/
-wtap_open_return_val snoop_open(wtap *wth, int *err, gchar **err_info)
+wtap_open_return_val snoop_open(wtap *wth, int *err, char **err_info)
{
char magic[sizeof snoop_magic];
struct snoop_hdr hdr;
struct snooprec_hdr rec_hdr;
- guint padbytes;
- gboolean is_shomiti;
+ unsigned padbytes;
+ bool is_shomiti;
static const int snoop_encap[] = {
WTAP_ENCAP_ETHERNET, /* IEEE 802.3 */
WTAP_ENCAP_UNKNOWN, /* IEEE 802.4 Token Bus */
@@ -211,7 +212,7 @@ wtap_open_return_val snoop_open(wtap *wth, int *err, gchar **err_info)
WTAP_ENCAP_UNKNOWN, /* 100BaseT (but that's just Ethernet) */
WTAP_ENCAP_IP_OVER_IB_SNOOP, /* Infiniband */
};
- #define NUM_SNOOP_ENCAPS (sizeof snoop_encap / sizeof snoop_encap[0])
+ #define NUM_SNOOP_ENCAPS array_length(snoop_encap)
#define SNOOP_PRIVATE_BIT 0x80000000
static const int snoop_private_encap[] = {
WTAP_ENCAP_UNKNOWN, /* Not Used */
@@ -223,7 +224,7 @@ wtap_open_return_val snoop_open(wtap *wth, int *err, gchar **err_info)
WTAP_ENCAP_UNKNOWN, /* IPMP stub interface */
WTAP_ENCAP_UNKNOWN, /* 6to4 Tunnel Link */
};
- #define NUM_SNOOP_PRIVATE_ENCAPS (sizeof snoop_private_encap / sizeof snoop_private_encap[0])
+ #define NUM_SNOOP_PRIVATE_ENCAPS array_length(snoop_private_encap)
static const int shomiti_encap[] = {
WTAP_ENCAP_ETHERNET, /* IEEE 802.3 */
WTAP_ENCAP_UNKNOWN, /* IEEE 802.4 Token Bus */
@@ -246,9 +247,9 @@ wtap_open_return_val snoop_open(wtap *wth, int *err, gchar **err_info)
WTAP_ENCAP_IEEE_802_11_WITH_RADIO, /* IEEE 802.11 with Radio Header */
WTAP_ENCAP_ETHERNET, /* 10 Gigabit Ethernet */
};
- #define NUM_SHOMITI_ENCAPS (sizeof shomiti_encap / sizeof shomiti_encap[0])
+ #define NUM_SHOMITI_ENCAPS array_length(shomiti_encap)
int file_encap;
- gint64 saved_offset;
+ int64_t saved_offset;
snoop_t *snoop;
/* Read in the string that should be at the start of a "snoop" file */
@@ -314,7 +315,7 @@ wtap_open_return_val snoop_open(wtap *wth, int *err, gchar **err_info)
/*
* Start out assuming it's not a Shomiti capture.
*/
- is_shomiti = FALSE;
+ is_shomiti = false;
/* Read first record header. */
saved_offset = file_tell(wth->fh);
@@ -348,7 +349,7 @@ wtap_open_return_val snoop_open(wtap *wth, int *err, gchar **err_info)
* Well, we have padding; how much?
*/
padbytes = g_ntohl(rec_hdr.rec_len) -
- ((guint)sizeof rec_hdr + g_ntohl(rec_hdr.incl_len));
+ ((unsigned)sizeof rec_hdr + g_ntohl(rec_hdr.incl_len));
/*
* Is it at least the size of a Shomiti trailer?
@@ -443,20 +444,20 @@ wtap_open_return_val snoop_open(wtap *wth, int *err, gchar **err_info)
* If the header is longer than 8 bytes, what are the other fields?
*/
typedef struct {
- guint8 pad[4];
- guint8 undecrypt[2];
- guint8 rate;
- guint8 preamble;
- guint8 code;
- guint8 signal;
- guint8 qual;
- guint8 channel;
+ uint8_t pad[4];
+ uint8_t undecrypt[2];
+ uint8_t rate;
+ uint8_t preamble;
+ uint8_t code;
+ uint8_t signal;
+ uint8_t qual;
+ uint8_t channel;
} shomiti_wireless_header;
/* Read the next packet */
-static gboolean snoop_read(wtap *wth, wtap_rec *rec, Buffer *buf,
- int *err, gchar **err_info, gint64 *data_offset)
+static bool snoop_read(wtap *wth, wtap_rec *rec, Buffer *buf,
+ int *err, char **err_info, int64_t *data_offset)
{
int padbytes;
@@ -464,43 +465,43 @@ static gboolean snoop_read(wtap *wth, wtap_rec *rec, Buffer *buf,
padbytes = snoop_read_packet(wth, wth->fh, rec, buf, err, err_info);
if (padbytes == -1)
- return FALSE;
+ return false;
/*
* Skip over the padding, if any.
*/
if (padbytes != 0) {
if (!wtap_read_bytes(wth->fh, NULL, padbytes, err, err_info))
- return FALSE;
+ return false;
}
- return TRUE;
+ return true;
}
-static gboolean
-snoop_seek_read(wtap *wth, gint64 seek_off,
- wtap_rec *rec, Buffer *buf, int *err, gchar **err_info)
+static bool
+snoop_seek_read(wtap *wth, int64_t seek_off,
+ wtap_rec *rec, Buffer *buf, int *err, char **err_info)
{
if (file_seek(wth->random_fh, seek_off, SEEK_SET, err) == -1)
- return FALSE;
+ return false;
if (snoop_read_packet(wth, wth->random_fh, rec, buf, err, err_info) == -1) {
if (*err == 0)
*err = WTAP_ERR_SHORT_READ;
- return FALSE;
+ return false;
}
- return TRUE;
+ return true;
}
static int
snoop_read_packet(wtap *wth, FILE_T fh, wtap_rec *rec,
- Buffer *buf, int *err, gchar **err_info)
+ Buffer *buf, int *err, char **err_info)
{
snoop_t *snoop = (snoop_t *)wth->priv;
struct snooprec_hdr hdr;
- guint32 rec_size;
- guint32 packet_size;
- guint32 orig_size;
+ uint32_t rec_size;
+ uint32_t packet_size;
+ uint32_t orig_size;
int header_size;
/* Read record header. */
@@ -566,9 +567,9 @@ snoop_read_packet(wtap *wth, FILE_T fh, wtap_rec *rec,
/*
* Don't count the pseudo-header as part of the packet.
*/
- rec_size -= (guint32)sizeof (struct snoop_atm_hdr);
- orig_size -= (guint32)sizeof (struct snoop_atm_hdr);
- packet_size -= (guint32)sizeof (struct snoop_atm_hdr);
+ rec_size -= (uint32_t)sizeof (struct snoop_atm_hdr);
+ orig_size -= (uint32_t)sizeof (struct snoop_atm_hdr);
+ packet_size -= (uint32_t)sizeof (struct snoop_atm_hdr);
break;
case WTAP_ENCAP_ETHERNET:
@@ -640,19 +641,19 @@ snoop_read_packet(wtap *wth, FILE_T fh, wtap_rec *rec,
atm_guess_lane_type(rec, ws_buffer_start_ptr(buf));
}
- return rec_size - ((guint)sizeof hdr + packet_size);
+ return rec_size - ((unsigned)sizeof hdr + packet_size);
}
-static gboolean
+static bool
snoop_read_atm_pseudoheader(FILE_T fh, union wtap_pseudo_header *pseudo_header,
- int *err, gchar **err_info)
+ int *err, char **err_info)
{
struct snoop_atm_hdr atm_phdr;
- guint8 vpi;
- guint16 vci;
+ uint8_t vpi;
+ uint16_t vci;
if (!wtap_read_bytes(fh, &atm_phdr, sizeof atm_phdr, err, err_info))
- return FALSE;
+ return false;
vpi = atm_phdr.vpi;
vci = pntoh16(&atm_phdr.vci);
@@ -726,19 +727,19 @@ snoop_read_atm_pseudoheader(FILE_T fh, union wtap_pseudo_header *pseudo_header,
pseudo_header->atm.aal5t_len = 0;
pseudo_header->atm.aal5t_chksum = 0;
- return TRUE;
+ return true;
}
-static gboolean
+static bool
snoop_read_shomiti_wireless_pseudoheader(FILE_T fh,
- union wtap_pseudo_header *pseudo_header, int *err, gchar **err_info,
+ union wtap_pseudo_header *pseudo_header, int *err, char **err_info,
int *header_size)
{
shomiti_wireless_header whdr;
int rsize;
if (!wtap_read_bytes(fh, &whdr, sizeof whdr, err, err_info))
- return FALSE;
+ return false;
/* the 4th byte of the pad is actually a header length,
* we've already read 8 bytes of it, and it must never
@@ -752,23 +753,23 @@ snoop_read_shomiti_wireless_pseudoheader(FILE_T fh,
*err = WTAP_ERR_BAD_FILE;
*err_info = ws_strdup_printf("snoop: Header length in Surveyor record is %u, less than minimum of 8",
whdr.pad[3]);
- return FALSE;
+ return false;
}
/* Skip the header. */
rsize = ((int) whdr.pad[3]) - 8;
if (!wtap_read_bytes(fh, NULL, rsize, err, err_info))
- return FALSE;
+ return false;
memset(&pseudo_header->ieee_802_11, 0, sizeof(pseudo_header->ieee_802_11));
pseudo_header->ieee_802_11.fcs_len = 4;
- pseudo_header->ieee_802_11.decrypted = FALSE;
- pseudo_header->ieee_802_11.datapad = FALSE;
+ pseudo_header->ieee_802_11.decrypted = false;
+ pseudo_header->ieee_802_11.datapad = false;
pseudo_header->ieee_802_11.phy = PHDR_802_11_PHY_UNKNOWN;
- pseudo_header->ieee_802_11.has_channel = TRUE;
+ pseudo_header->ieee_802_11.has_channel = true;
pseudo_header->ieee_802_11.channel = whdr.channel;
- pseudo_header->ieee_802_11.has_data_rate = TRUE;
+ pseudo_header->ieee_802_11.has_data_rate = true;
pseudo_header->ieee_802_11.data_rate = whdr.rate;
- pseudo_header->ieee_802_11.has_signal_percent = TRUE;
+ pseudo_header->ieee_802_11.has_signal_percent = true;
pseudo_header->ieee_802_11.signal_percent = whdr.signal;
/*
@@ -778,25 +779,25 @@ snoop_read_shomiti_wireless_pseudoheader(FILE_T fh,
if (RATE_IS_DSSS(pseudo_header->ieee_802_11.data_rate)) {
/* 11b */
pseudo_header->ieee_802_11.phy = PHDR_802_11_PHY_11B;
- pseudo_header->ieee_802_11.phy_info.info_11b.has_short_preamble = FALSE;
+ pseudo_header->ieee_802_11.phy_info.info_11b.has_short_preamble = false;
} else if (RATE_IS_OFDM(pseudo_header->ieee_802_11.data_rate)) {
/* 11a or 11g, depending on the band. */
if (CHAN_IS_BG(pseudo_header->ieee_802_11.channel)) {
/* 11g */
pseudo_header->ieee_802_11.phy = PHDR_802_11_PHY_11G;
- pseudo_header->ieee_802_11.phy_info.info_11g.has_mode = FALSE;
+ pseudo_header->ieee_802_11.phy_info.info_11g.has_mode = false;
} else {
/* 11a */
pseudo_header->ieee_802_11.phy = PHDR_802_11_PHY_11A;
- pseudo_header->ieee_802_11.phy_info.info_11a.has_channel_type = FALSE;
- pseudo_header->ieee_802_11.phy_info.info_11a.has_turbo_type = FALSE;
+ pseudo_header->ieee_802_11.phy_info.info_11a.has_channel_type = false;
+ pseudo_header->ieee_802_11.phy_info.info_11a.has_turbo_type = false;
}
}
/* add back the header and don't forget the pad as well */
*header_size = rsize + 8 + 4;
- return TRUE;
+ return true;
}
static const int wtap_encap[] = {
@@ -815,7 +816,7 @@ static const int wtap_encap[] = {
-1, /* WTAP_ENCAP_LAPB -> unsupported*/
0x12, /* WTAP_ENCAP_ATM_PDUS -> DL_IPATM */
};
-#define NUM_WTAP_ENCAPS (sizeof wtap_encap / sizeof wtap_encap[0])
+#define NUM_WTAP_ENCAPS array_length(wtap_encap)
/* Returns 0 if we could write the specified encapsulation type,
an error indication otherwise. */
@@ -831,9 +832,9 @@ static int snoop_dump_can_write_encap(int encap)
return 0;
}
-/* Returns TRUE on success, FALSE on failure; sets "*err" to an error code on
+/* Returns true on success, false on failure; sets "*err" to an error code on
failure */
-static gboolean snoop_dump_open(wtap_dumper *wdh, int *err, gchar **err_info _U_)
+static bool snoop_dump_open(wtap_dumper *wdh, int *err, char **err_info _U_)
{
struct snoop_hdr file_hdr;
@@ -842,27 +843,27 @@ static gboolean snoop_dump_open(wtap_dumper *wdh, int *err, gchar **err_info _U_
/* Write the file header. */
if (!wtap_dump_file_write(wdh, &snoop_magic, sizeof snoop_magic, err))
- return FALSE;
+ return false;
/* current "snoop" format is 2 */
file_hdr.version = g_htonl(2);
file_hdr.network = g_htonl(wtap_encap[wdh->file_encap]);
if (!wtap_dump_file_write(wdh, &file_hdr, sizeof file_hdr, err))
- return FALSE;
+ return false;
- return TRUE;
+ return true;
}
/* Write a record for a packet to a dump file.
- Returns TRUE on success, FALSE on failure. */
-static gboolean snoop_dump(wtap_dumper *wdh,
+ Returns true on success, false on failure. */
+static bool snoop_dump(wtap_dumper *wdh,
const wtap_rec *rec,
- const guint8 *pd, int *err, gchar **err_info _U_)
+ const uint8_t *pd, int *err, char **err_info _U_)
{
const union wtap_pseudo_header *pseudo_header = &rec->rec_header.packet_header.pseudo_header;
struct snooprec_hdr rec_hdr;
int reclen;
- guint padlen;
+ unsigned padlen;
static const char zeroes[4] = {0};
struct snoop_atm_hdr atm_hdr;
int atm_hdrsize;
@@ -870,7 +871,7 @@ static gboolean snoop_dump(wtap_dumper *wdh,
/* We can only write packet records. */
if (rec->rec_type != REC_TYPE_PACKET) {
*err = WTAP_ERR_UNWRITABLE_REC_TYPE;
- return FALSE;
+ return false;
}
/*
@@ -879,7 +880,7 @@ static gboolean snoop_dump(wtap_dumper *wdh,
*/
if (wdh->file_encap != rec->rec_header.packet_header.pkt_encap) {
*err = WTAP_ERR_ENCAP_PER_PACKET_UNSUPPORTED;
- return FALSE;
+ return false;
}
if (wdh->file_encap == WTAP_ENCAP_ATM_PDUS)
@@ -898,7 +899,7 @@ static gboolean snoop_dump(wtap_dumper *wdh,
/* Don't write anything we're not willing to read. */
if (rec->rec_header.packet_header.caplen + atm_hdrsize > WTAP_MAX_PACKET_SIZE_STANDARD) {
*err = WTAP_ERR_PACKET_TOO_LARGE;
- return FALSE;
+ return false;
}
rec_hdr.orig_len = g_htonl(rec->rec_header.packet_header.len + atm_hdrsize);
@@ -908,7 +909,7 @@ static gboolean snoop_dump(wtap_dumper *wdh,
rec_hdr.ts_sec = g_htonl(rec->ts.secs);
rec_hdr.ts_usec = g_htonl(rec->ts.nsecs / 1000);
if (!wtap_dump_file_write(wdh, &rec_hdr, sizeof rec_hdr, err))
- return FALSE;
+ return false;
if (wdh->file_encap == WTAP_ENCAP_ATM_PDUS) {
/*
@@ -943,19 +944,19 @@ static gboolean snoop_dump(wtap_dumper *wdh,
}
break;
}
- atm_hdr.vpi = (guint8) pseudo_header->atm.vpi;
+ atm_hdr.vpi = (uint8_t) pseudo_header->atm.vpi;
atm_hdr.vci = g_htons(pseudo_header->atm.vci);
if (!wtap_dump_file_write(wdh, &atm_hdr, sizeof atm_hdr, err))
- return FALSE;
+ return false;
}
if (!wtap_dump_file_write(wdh, pd, rec->rec_header.packet_header.caplen, err))
- return FALSE;
+ return false;
/* Now write the padding. */
if (!wtap_dump_file_write(wdh, zeroes, padlen, err))
- return FALSE;
- return TRUE;
+ return false;
+ return true;
}
static const struct supported_block_type snoop_blocks_supported[] = {
@@ -967,7 +968,7 @@ static const struct supported_block_type snoop_blocks_supported[] = {
static const struct file_type_subtype_info snoop_info = {
"Sun snoop", "snoop", "snoop", "cap",
- FALSE, BLOCKS_SUPPORTED(snoop_blocks_supported),
+ false, BLOCKS_SUPPORTED(snoop_blocks_supported),
snoop_dump_can_write_encap, snoop_dump_open, NULL
};
@@ -980,7 +981,7 @@ static const struct supported_block_type shomiti_blocks_supported[] = {
static const struct file_type_subtype_info shomiti_info = {
"Shomiti/Finisar Surveyor", "shomiti", "cap", NULL,
- FALSE, BLOCKS_SUPPORTED(shomiti_blocks_supported),
+ false, BLOCKS_SUPPORTED(shomiti_blocks_supported),
NULL, NULL, NULL
};
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-19 23:58:40 +0000