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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-09-19 04:52:31 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-09-19 04:52:31 +0000
commit31cd589d20ba8d3d6b3fc4fccacc40d38a163c5d (patch)
tree99d6c086833d530e5d1d33a8128961f8149843f0 /util-print.c
parentAdding upstream version 4.99.4. (diff)
downloadtcpdump-31cd589d20ba8d3d6b3fc4fccacc40d38a163c5d.tar.xz
tcpdump-31cd589d20ba8d3d6b3fc4fccacc40d38a163c5d.zip
Adding upstream version 4.99.5.upstream/4.99.5upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'util-print.c')
-rw-r--r--util-print.c67
1 files changed, 37 insertions, 30 deletions
diff --git a/util-print.c b/util-print.c
index 0548337..85ec24a 100644
--- a/util-print.c
+++ b/util-print.c
@@ -35,17 +35,12 @@
* FOR A PARTICULAR PURPOSE.
*/
-#ifdef HAVE_CONFIG_H
#include <config.h>
-#endif
#include "netdissect-stdinc.h"
#include <sys/stat.h>
-#ifdef HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
@@ -172,6 +167,23 @@ nd_printn(netdissect_options *ndo,
}
/*
+ * Print a counted filename (or other ASCII string), part of
+ * the packet buffer, filtering out non-printable characters.
+ * Stop if truncated (via GET_U_1/longjmp) or after n bytes,
+ * whichever is first.
+ * The suffix comes from: j:longJmp, n:after N bytes.
+ */
+void
+nd_printjn(netdissect_options *ndo, const u_char *s, u_int n)
+{
+ while (n > 0) {
+ fn_print_char(ndo, GET_U_1(s));
+ n--;
+ s++;
+ }
+}
+
+/*
* Print a null-padded filename (or other ASCII string), part of
* the packet buffer, filtering out non-printable characters.
* Stop if truncated (via GET_U_1/longjmp) or after n bytes or before
@@ -197,17 +209,17 @@ nd_printjnp(netdissect_options *ndo, const u_char *s, u_int n)
* Print the timestamp .FRAC part (Microseconds/nanoseconds)
*/
static void
-ts_frac_print(netdissect_options *ndo, long usec)
+ts_frac_print(netdissect_options *ndo, const struct timeval *tv)
{
#ifdef HAVE_PCAP_SET_TSTAMP_PRECISION
switch (ndo->ndo_tstamp_precision) {
case PCAP_TSTAMP_PRECISION_MICRO:
- ND_PRINT(".%06u", (unsigned)usec);
+ ND_PRINT(".%06u", (unsigned)tv->tv_usec);
break;
case PCAP_TSTAMP_PRECISION_NANO:
- ND_PRINT(".%09u", (unsigned)usec);
+ ND_PRINT(".%09u", (unsigned)tv->tv_usec);
break;
default:
@@ -215,7 +227,7 @@ ts_frac_print(netdissect_options *ndo, long usec)
break;
}
#else
- ND_PRINT(".%06u", (unsigned)usec);
+ ND_PRINT(".%06u", (unsigned)tv->tv_usec);
#endif
}
@@ -225,23 +237,22 @@ ts_frac_print(netdissect_options *ndo, long usec)
* if date_flag == WITH_DATE print YY:MM:DD before HH:MM:SS.FRAC
*/
static void
-ts_date_hmsfrac_print(netdissect_options *ndo, long sec, long usec,
+ts_date_hmsfrac_print(netdissect_options *ndo, const struct timeval *tv,
enum date_flag date_flag, enum time_flag time_flag)
{
- time_t Time = sec;
struct tm *tm;
char timebuf[32];
const char *timestr;
- if ((unsigned)sec & 0x80000000) {
- ND_PRINT("[Error converting time]");
+ if (tv->tv_sec < 0) {
+ ND_PRINT("[timestamp < 1970-01-01 00:00:00 UTC]");
return;
}
if (time_flag == LOCAL_TIME)
- tm = localtime(&Time);
+ tm = localtime(&tv->tv_sec);
else
- tm = gmtime(&Time);
+ tm = gmtime(&tv->tv_sec);
if (date_flag == WITH_DATE) {
timestr = nd_format_time(timebuf, sizeof(timebuf),
@@ -252,22 +263,22 @@ ts_date_hmsfrac_print(netdissect_options *ndo, long sec, long usec,
}
ND_PRINT("%s", timestr);
- ts_frac_print(ndo, usec);
+ ts_frac_print(ndo, tv);
}
/*
* Print the timestamp - Unix timeval style, as SECS.FRAC.
*/
static void
-ts_unix_print(netdissect_options *ndo, long sec, long usec)
+ts_unix_print(netdissect_options *ndo, const struct timeval *tv)
{
- if ((unsigned)sec & 0x80000000) {
- ND_PRINT("[Error converting time]");
+ if (tv->tv_sec < 0) {
+ ND_PRINT("[timestamp < 1970-01-01 00:00:00 UTC]");
return;
}
- ND_PRINT("%u", (unsigned)sec);
- ts_frac_print(ndo, usec);
+ ND_PRINT("%u", (unsigned)tv->tv_sec);
+ ts_frac_print(ndo, tv);
}
/*
@@ -285,8 +296,7 @@ ts_print(netdissect_options *ndo,
switch (ndo->ndo_tflag) {
case 0: /* Default */
- ts_date_hmsfrac_print(ndo, tvp->tv_sec, tvp->tv_usec,
- WITHOUT_DATE, LOCAL_TIME);
+ ts_date_hmsfrac_print(ndo, tvp, WITHOUT_DATE, LOCAL_TIME);
ND_PRINT(" ");
break;
@@ -294,7 +304,7 @@ ts_print(netdissect_options *ndo,
break;
case 2: /* Unix timeval style */
- ts_unix_print(ndo, tvp->tv_sec, tvp->tv_usec);
+ ts_unix_print(ndo, tvp);
ND_PRINT(" ");
break;
@@ -325,8 +335,7 @@ ts_print(netdissect_options *ndo,
netdissect_timevalsub(tvp, &tv_ref, &tv_result, nano_prec);
ND_PRINT((negative_offset ? "-" : " "));
- ts_date_hmsfrac_print(ndo, tv_result.tv_sec, tv_result.tv_usec,
- WITHOUT_DATE, UTC_TIME);
+ ts_date_hmsfrac_print(ndo, &tv_result, WITHOUT_DATE, UTC_TIME);
ND_PRINT(" ");
if (ndo->ndo_tflag == 3)
@@ -334,8 +343,7 @@ ts_print(netdissect_options *ndo,
break;
case 4: /* Date + Default */
- ts_date_hmsfrac_print(ndo, tvp->tv_sec, tvp->tv_usec,
- WITH_DATE, LOCAL_TIME);
+ ts_date_hmsfrac_print(ndo, tvp, WITH_DATE, LOCAL_TIME);
ND_PRINT(" ");
break;
}
@@ -814,11 +822,10 @@ print_txt_line(netdissect_options *ndo, const char *prefix,
/*
* All printable ASCII, but no line ending after that point
- * in the buffer; treat this as if it were truncated.
+ * in the buffer.
*/
linelen = idx - startidx;
ND_PRINT("%s%.*s", prefix, (int)linelen, pptr + startidx);
- nd_print_trunc(ndo);
return (0);
print: