Can't find a good bracket character, so just removing it

This commit is contained in:
Neale Pickett 2018-07-10 22:12:53 +00:00
parent 37e6f4c7c8
commit 04fb93ec2b
2 changed files with 8 additions and 7 deletions

View File

@ -123,7 +123,7 @@ which will convert payloads to an octet stream,
after you have done any maniuplations you want.
## pmerge: merge pcap files
## pmerge: merge pcap files
Takes a list of pcap files, assuming they are sorted by time
(you would have to work hard to create any other kind),
@ -132,7 +132,7 @@ and merges them into a single sorted output.
## puniq: omit repeated frames
Removes duplicate frames from input,
Removes duplicate frames from input,
writing to output.
@ -185,8 +185,8 @@ and many other languages' string literals.
Shows all octets from `00` to `ff` in a hex dump.
This is occasionally more helpful than `man ascii`.
$ octets
00000000 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f ┆·☺☻♥♦♣♠•◘○◙♂♀♪♫☼┆
$ octets
00000000 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f □☺☻♥♦♣♠•◘○◙♂♀♪♫☼
00000010 10 11 12 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f ┆►◄↕‼¶§▬↨↑↓→←∟↔▲▼┆
00000020 20 21 22 23 24 25 26 27 28 29 2a 2b 2c 2d 2e 2f ┆ !"#$%&'()*+,-./┆
00000030 30 31 32 33 34 35 36 37 38 39 3a 3b 3c 3d 3e 3f ┆0123456789:;<=>?┆
@ -234,7 +234,7 @@ Same pretty-print as before, and also pipe to `less` so we can page through it.
For each ICMP packet, drop the first 5 octets, and base64-decode the remainder, preserving conversation chunks
cat input.pcap | pcat | grep ICMP | while read ts proto src dst payload; do
cat input.pcap | pcat | grep ICMP | while read ts proto src dst payload; do
printf "%s -> %s (%s)\n" $src $dst $ts
echo $payload | unhex | slice 5 | base64 -d | hd
done

5
hd.c
View File

@ -2,6 +2,7 @@
#include <stdint.h>
#include <string.h>
/* These glyphs are in most monospace fonts I tried in 2018 */
const char *charset[] = {
"", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "",
"", "", "", "", "", "§", "", "", "", "", "", "", "", "", "", "",
@ -63,11 +64,11 @@ dump(FILE *f)
printf(" ");
}
}
printf(" ");
printf(" ");
for (i = 0; i < len; i += 1) {
printf("%s", charset[bytes[i]]);
}
if (-1 == printf("\n")) {
if (-1 == printf("\n")) {
perror("printf");
return 1;
}