aboutsummaryrefslogtreecommitdiffstats
path: root/wiretap/netxray.c
diff options
context:
space:
mode:
authorGuy Harris <guy@alum.mit.edu>2013-06-06 00:10:36 +0000
committerGuy Harris <guy@alum.mit.edu>2013-06-06 00:10:36 +0000
commit311c8d346d22bb1b0f581e397bce85d520eebf97 (patch)
tree172f1d185411f3dc2515fb4d833fb6f2b0d9c5e7 /wiretap/netxray.c
parent0c7b80da22ab92ab5b2b7f2000a89e027263794a (diff)
Set the entire struct wtap_pkthdr, not just the pseudo-header, in the
seek-read routine. Pull the code to do that into netxray_set_pseudo_header(), and rename it netxray_set_phdr(). svn path=/trunk/; revision=49800
Diffstat (limited to 'wiretap/netxray.c')
-rw-r--r--wiretap/netxray.c188
1 files changed, 93 insertions, 95 deletions
diff --git a/wiretap/netxray.c b/wiretap/netxray.c
index 6fb6bbc1e0..e16ebb6284 100644
--- a/wiretap/netxray.c
+++ b/wiretap/netxray.c
@@ -326,8 +326,8 @@ static gboolean netxray_seek_read(wtap *wth, gint64 seek_off,
int *err, gchar **err_info);
static int netxray_read_rec_header(wtap *wth, FILE_T fh,
union netxrayrec_hdr *hdr, int *err, gchar **err_info);
-static guint netxray_set_pseudo_header(wtap *wth, const guint8 *pd, int len,
- union wtap_pseudo_header *pseudo_header, union netxrayrec_hdr *hdr);
+static void netxray_set_phdr(wtap *wth, const guint8 *pd, int len,
+ struct wtap_pkthdr *phdr, union netxrayrec_hdr *hdr);
static gboolean netxray_read_rec_data(FILE_T fh, guint8 *data_ptr,
guint32 packet_size, int *err, gchar **err_info);
static gboolean netxray_dump_1_1(wtap_dumper *wdh,
@@ -915,9 +915,7 @@ static gboolean netxray_read(wtap *wth, int *err, gchar **err_info,
guint32 packet_size;
union netxrayrec_hdr hdr;
int hdr_size;
- double t;
guint8 *pd;
- guint padding;
reread:
/*
@@ -997,43 +995,9 @@ reread:
return FALSE;
/*
- * Set the pseudo-header.
+ * Fill in the struct wtap_pkthdr.
*/
- padding = netxray_set_pseudo_header(wth, pd, packet_size,
- &wth->phdr.pseudo_header, &hdr);
-
- if (netxray->version_major == 0) {
- wth->phdr.presence_flags = WTAP_HAS_TS;
- t = (double)pletohl(&hdr.old_hdr.timelo)
- + (double)pletohl(&hdr.old_hdr.timehi)*4294967296.0;
- t /= netxray->ticks_per_sec;
- t -= netxray->start_timestamp;
- wth->phdr.ts.secs = netxray->start_time + (long)t;
- wth->phdr.ts.nsecs = (int)((t-(double)(unsigned long)(t))
- *1.0e9);
- /*
- * We subtract the padding from the packet size, so our caller
- * doesn't see it.
- */
- wth->phdr.caplen = packet_size - padding;
- wth->phdr.len = wth->phdr.caplen;
- } else {
- wth->phdr.presence_flags = WTAP_HAS_TS|WTAP_HAS_CAP_LEN;
- t = (double)pletohl(&hdr.hdr_1_x.timelo)
- + (double)pletohl(&hdr.hdr_1_x.timehi)*4294967296.0;
- t /= netxray->ticks_per_sec;
- t -= netxray->start_timestamp;
- wth->phdr.ts.secs = netxray->start_time + (time_t)t;
- wth->phdr.ts.nsecs = (int)((t-(double)(unsigned long)(t))
- *1.0e9);
- /*
- * We subtract the padding from the packet size, so our caller
- * doesn't see it.
- */
- wth->phdr.caplen = packet_size - padding;
- wth->phdr.len = pletohs(&hdr.hdr_1_x.orig_len) - padding;
- }
-
+ netxray_set_phdr(wth, pd, packet_size, &wth->phdr, &hdr);
return TRUE;
}
@@ -1042,7 +1006,6 @@ netxray_seek_read(wtap *wth, gint64 seek_off,
struct wtap_pkthdr *phdr, guint8 *pd, int length,
int *err, gchar **err_info)
{
- union wtap_pseudo_header *pseudo_header = &phdr->pseudo_header;
union netxrayrec_hdr hdr;
gboolean ret;
@@ -1070,9 +1033,9 @@ netxray_seek_read(wtap *wth, gint64 seek_off,
return FALSE;
/*
- * Set the pseudo-header.
+ * Fill in the struct wtap_pkthdr.
*/
- netxray_set_pseudo_header(wth, pd, length, pseudo_header, &hdr);
+ netxray_set_phdr(wth, pd, length, phdr, &hdr);
return TRUE;
}
@@ -1119,11 +1082,13 @@ netxray_read_rec_header(wtap *wth, FILE_T fh, union netxrayrec_hdr *hdr,
return hdr_size;
}
-static guint
-netxray_set_pseudo_header(wtap *wth, const guint8 *pd, int len,
- union wtap_pseudo_header *pseudo_header, union netxrayrec_hdr *hdr)
+static void
+netxray_set_phdr(wtap *wth, const guint8 *pd, int len,
+ struct wtap_pkthdr *phdr, union netxrayrec_hdr *hdr)
{
netxray_t *netxray = (netxray_t *)wth->priv;
+ double t;
+ guint32 packet_size;
guint padding = 0;
/*
@@ -1147,7 +1112,7 @@ netxray_set_pseudo_header(wtap *wth, const guint8 *pd, int len,
*
* For now, we just say "no FCS".
*/
- pseudo_header->eth.fcs_len = 0;
+ phdr->pseudo_header.eth.fcs_len = 0;
break;
}
break;
@@ -1178,7 +1143,7 @@ netxray_set_pseudo_header(wtap *wth, const guint8 *pd, int len,
/*
* FCS.
*/
- pseudo_header->eth.fcs_len = 4;
+ phdr->pseudo_header.eth.fcs_len = 4;
} else {
/*
* Junk.
@@ -1186,7 +1151,7 @@ netxray_set_pseudo_header(wtap *wth, const guint8 *pd, int len,
padding = 4;
}
} else
- pseudo_header->eth.fcs_len = 0;
+ phdr->pseudo_header.eth.fcs_len = 0;
break;
case WTAP_ENCAP_IEEE_802_11_WITH_RADIO:
@@ -1219,7 +1184,7 @@ netxray_set_pseudo_header(wtap *wth, const guint8 *pd, int len,
/*
* FCS.
*/
- pseudo_header->ieee_802_11.fcs_len = 4;
+ phdr->pseudo_header.ieee_802_11.fcs_len = 4;
} else {
/*
* Junk.
@@ -1227,15 +1192,15 @@ netxray_set_pseudo_header(wtap *wth, const guint8 *pd, int len,
padding = 4;
}
} else
- pseudo_header->ieee_802_11.fcs_len = 0;
+ phdr->pseudo_header.ieee_802_11.fcs_len = 0;
- pseudo_header->ieee_802_11.decrypted = FALSE;
+ phdr->pseudo_header.ieee_802_11.decrypted = FALSE;
- pseudo_header->ieee_802_11.channel =
+ phdr->pseudo_header.ieee_802_11.channel =
hdr->hdr_2_x.xxx[12];
- pseudo_header->ieee_802_11.data_rate =
+ phdr->pseudo_header.ieee_802_11.data_rate =
hdr->hdr_2_x.xxx[13];
- pseudo_header->ieee_802_11.signal_level =
+ phdr->pseudo_header.ieee_802_11.signal_level =
hdr->hdr_2_x.xxx[14];
/*
* According to Ken Mann, at least in the captures
@@ -1249,17 +1214,17 @@ netxray_set_pseudo_header(wtap *wth, const guint8 *pd, int len,
/*
* ISDN.
*
- * The bottommost bit of byte 12 of "hdr.hdr_2_x.xxx"
+ * The bottommost bit of byte 12 of "hdr->hdr_2_x.xxx"
* is the direction flag.
*
- * The bottom 5 bits of byte 13 of "hdr.hdr_2_x.xxx"
+ * The bottom 5 bits of byte 13 of "hdr->hdr_2_x.xxx"
* are the channel number, but some mapping is
* required for PRI. (Is it really just the time
* slot?)
*/
- pseudo_header->isdn.uton =
+ phdr->pseudo_header.isdn.uton =
(hdr->hdr_2_x.xxx[12] & 0x01);
- pseudo_header->isdn.channel =
+ phdr->pseudo_header.isdn.channel =
hdr->hdr_2_x.xxx[13] & 0x1F;
switch (netxray->isdn_type) {
@@ -1271,10 +1236,10 @@ netxray_set_pseudo_header(wtap *wth, const guint8 *pd, int len,
* numbers 17 through 31 are B16 through
* B31.
*/
- if (pseudo_header->isdn.channel == 16)
- pseudo_header->isdn.channel = 0;
- else if (pseudo_header->isdn.channel > 16)
- pseudo_header->isdn.channel -= 1;
+ if (phdr->pseudo_header.isdn.channel == 16)
+ phdr->pseudo_header.isdn.channel = 0;
+ else if (phdr->pseudo_header.isdn.channel > 16)
+ phdr->pseudo_header.isdn.channel -= 1;
break;
case 2:
@@ -1283,10 +1248,10 @@ netxray_set_pseudo_header(wtap *wth, const guint8 *pd, int len,
* are the D channel; channel numbers 1
* through 23 are B1 through B23.
*/
- if (pseudo_header->isdn.channel == 24)
- pseudo_header->isdn.channel = 0;
- else if (pseudo_header->isdn.channel > 24)
- pseudo_header->isdn.channel -= 1;
+ if (phdr->pseudo_header.isdn.channel == 24)
+ phdr->pseudo_header.isdn.channel = 0;
+ else if (phdr->pseudo_header.isdn.channel > 24)
+ phdr->pseudo_header.isdn.channel -= 1;
break;
}
@@ -1318,11 +1283,11 @@ netxray_set_pseudo_header(wtap *wth, const guint8 *pd, int len,
/*
* LAPB/X.25 and Frame Relay.
*
- * The bottommost bit of byte 12 of "hdr.hdr_2_x.xxx"
+ * The bottommost bit of byte 12 of "hdr->hdr_2_x.xxx"
* is the direction flag. (Probably true for other
* HDLC encapsulations as well.)
*/
- pseudo_header->x25.flags =
+ phdr->pseudo_header.x25.flags =
(hdr->hdr_2_x.xxx[12] & 0x01) ? 0x00 : FROM_DCE;
/*
@@ -1351,22 +1316,22 @@ netxray_set_pseudo_header(wtap *wth, const guint8 *pd, int len,
case WTAP_ENCAP_PPP_WITH_PHDR:
case WTAP_ENCAP_SDLC:
case WTAP_ENCAP_CHDLC_WITH_PHDR:
- pseudo_header->p2p.sent =
+ phdr->pseudo_header.p2p.sent =
(hdr->hdr_2_x.xxx[12] & 0x01) ? TRUE : FALSE;
break;
case WTAP_ENCAP_ATM_PDUS_UNTRUNCATED:
- pseudo_header->atm.flags = 0;
+ phdr->pseudo_header.atm.flags = 0;
/*
* XXX - is 0x08 an "OAM cell" flag?
*/
if (hdr->hdr_2_x.xxx[9] & 0x04)
- pseudo_header->atm.flags |= ATM_RAW_CELL;
- pseudo_header->atm.vpi = hdr->hdr_2_x.xxx[11];
- pseudo_header->atm.vci = pletohs(&hdr->hdr_2_x.xxx[12]);
- pseudo_header->atm.channel =
+ phdr->pseudo_header.atm.flags |= ATM_RAW_CELL;
+ phdr->pseudo_header.atm.vpi = hdr->hdr_2_x.xxx[11];
+ phdr->pseudo_header.atm.vci = pletohs(&hdr->hdr_2_x.xxx[12]);
+ phdr->pseudo_header.atm.channel =
(hdr->hdr_2_x.xxx[15] & 0x10)? 1 : 0;
- pseudo_header->atm.cells = 0;
+ phdr->pseudo_header.atm.cells = 0;
switch (hdr->hdr_2_x.xxx[0] & 0xF0) {
@@ -1375,28 +1340,28 @@ netxray_set_pseudo_header(wtap *wth, const guint8 *pd, int len,
* Infer the AAL, traffic type, and subtype.
*/
atm_guess_traffic_type(pd, len,
- pseudo_header);
+ &phdr->pseudo_header);
break;
case 0x50: /* AAL5 (including signalling) */
- pseudo_header->atm.aal = AAL_5;
+ phdr->pseudo_header.atm.aal = AAL_5;
switch (hdr->hdr_2_x.xxx[0] & 0x0F) {
case 0x09:
case 0x0a: /* Signalling traffic */
- pseudo_header->atm.aal = AAL_SIGNALLING;
- pseudo_header->atm.type = TRAF_UNKNOWN;
- pseudo_header->atm.subtype = TRAF_ST_UNKNOWN;
+ phdr->pseudo_header.atm.aal = AAL_SIGNALLING;
+ phdr->pseudo_header.atm.type = TRAF_UNKNOWN;
+ phdr->pseudo_header.atm.subtype = TRAF_ST_UNKNOWN;
break;
case 0x0b: /* ILMI */
- pseudo_header->atm.type = TRAF_ILMI;
- pseudo_header->atm.subtype = TRAF_ST_UNKNOWN;
+ phdr->pseudo_header.atm.type = TRAF_ILMI;
+ phdr->pseudo_header.atm.subtype = TRAF_ST_UNKNOWN;
break;
case 0x0c: /* LANE LE Control */
- pseudo_header->atm.type = TRAF_LANE;
- pseudo_header->atm.subtype = TRAF_ST_LANE_LE_CTRL;
+ phdr->pseudo_header.atm.type = TRAF_LANE;
+ phdr->pseudo_header.atm.subtype = TRAF_ST_LANE_LE_CTRL;
break;
case 0x0d:
@@ -1405,22 +1370,22 @@ netxray_set_pseudo_header(wtap *wth, const guint8 *pd, int len,
* but I've seen an LE Control frame
* with 0x0d.
*/
- pseudo_header->atm.type = TRAF_LANE;
+ phdr->pseudo_header.atm.type = TRAF_LANE;
atm_guess_lane_type(pd, len,
- pseudo_header);
+ &phdr->pseudo_header);
break;
case 0x0f: /* LLC multiplexed */
- pseudo_header->atm.type = TRAF_LLCMX; /* XXX */
- pseudo_header->atm.subtype = TRAF_ST_UNKNOWN; /* XXX */
+ phdr->pseudo_header.atm.type = TRAF_LLCMX; /* XXX */
+ phdr->pseudo_header.atm.subtype = TRAF_ST_UNKNOWN; /* XXX */
break;
default:
/*
* XXX - discover the other types.
*/
- pseudo_header->atm.type = TRAF_UNKNOWN;
- pseudo_header->atm.subtype = TRAF_ST_UNKNOWN;
+ phdr->pseudo_header.atm.type = TRAF_UNKNOWN;
+ phdr->pseudo_header.atm.subtype = TRAF_ST_UNKNOWN;
break;
}
break;
@@ -1432,16 +1397,49 @@ netxray_set_pseudo_header(wtap *wth, const guint8 *pd, int len,
*
* XXX - discover what those types are.
*/
- pseudo_header->atm.aal = AAL_UNKNOWN;
- pseudo_header->atm.type = TRAF_UNKNOWN;
- pseudo_header->atm.subtype = TRAF_ST_UNKNOWN;
+ phdr->pseudo_header.atm.aal = AAL_UNKNOWN;
+ phdr->pseudo_header.atm.type = TRAF_UNKNOWN;
+ phdr->pseudo_header.atm.subtype = TRAF_ST_UNKNOWN;
break;
}
break;
}
break;
}
- return padding;
+
+ if (netxray->version_major == 0) {
+ phdr->presence_flags = WTAP_HAS_TS;
+ t = (double)pletohl(&hdr->old_hdr.timelo)
+ + (double)pletohl(&hdr->old_hdr.timehi)*4294967296.0;
+ t /= netxray->ticks_per_sec;
+ t -= netxray->start_timestamp;
+ phdr->ts.secs = netxray->start_time + (long)t;
+ phdr->ts.nsecs = (int)((t-(double)(unsigned long)(t))
+ *1.0e9);
+ /*
+ * We subtract the padding from the packet size, so our caller
+ * doesn't see it.
+ */
+ packet_size = pletohs(&hdr->old_hdr.len);
+ phdr->caplen = packet_size - padding;
+ phdr->len = phdr->caplen;
+ } else {
+ phdr->presence_flags = WTAP_HAS_TS|WTAP_HAS_CAP_LEN;
+ t = (double)pletohl(&hdr->hdr_1_x.timelo)
+ + (double)pletohl(&hdr->hdr_1_x.timehi)*4294967296.0;
+ t /= netxray->ticks_per_sec;
+ t -= netxray->start_timestamp;
+ phdr->ts.secs = netxray->start_time + (time_t)t;
+ phdr->ts.nsecs = (int)((t-(double)(unsigned long)(t))
+ *1.0e9);
+ /*
+ * We subtract the padding from the packet size, so our caller
+ * doesn't see it.
+ */
+ packet_size = pletohs(&hdr->hdr_1_x.incl_len);
+ phdr->caplen = packet_size - padding;
+ phdr->len = pletohs(&hdr->hdr_1_x.orig_len) - padding;
+ }
}
static gboolean