zeek/testing/btest/scripts/base/frameworks/input/invalidnumbers.zeek
Christian Kreibich 38d6b6a98b Skip negative integers in input framework where not type-permissible
Script-layer counts, when provided as negative integers in an input
file, got cast to unsigned values because strtoull() does not complain
about negative values. For example, input string "-1" would lead to
value 18446744073709551615 (an all-ones 64-bit int) on x86_64. This is
more likely to be an error than an intent to get very large,
platform-dependent values, so these input lines are now skipped with
according messaging in the reporter.log/stderr.

This also affected ports: -1/tcp got cast to unsigned and only thrown
out because PortVal rejects values > 65535, mapping them to 0. We now
skip such inputs as well.

Updates existing input framework tests to capture the new behavior.
2021-01-28 23:46:43 -08:00

47 lines
1.1 KiB
Text

# @TEST-EXEC: btest-bg-run zeek zeek -b %INPUT
# @TEST-EXEC: btest-bg-wait 10
# @TEST-EXEC: btest-diff out
# @TEST-EXEC: sed 1d .stderr > .stderrwithoutfirstline
# @TEST-EXEC: TEST_DIFF_CANONIFIER=$SCRIPTS/diff-remove-abspath btest-diff .stderrwithoutfirstline
# Note the tab+space separator in the last line of the following is
# intentional. It verifies our whitespace handling.
@TEST-START-FILE input.log
#separator \x09
#fields i c
#types int count
12129223372036854775800 121218446744073709551612
9223372036854775801TEXTHERE 1Justtext
Justtext 1
9223372036854775800 -18446744073709551612
@TEST-END-FILE
redef exit_only_after_terminate = T;
global outfile: file;
module A;
type Idx: record {
i: int;
};
type Val: record {
c: count;
};
global servers: table[int] of Val = table();
event zeek_init()
{
outfile = open("../out");
# first read in the old stuff into the table...
Input::add_table([$source="../input.log", $name="ssh", $idx=Idx, $val=Val, $destination=servers]);
}
event Input::end_of_data(name: string, source:string)
{
print outfile, servers;
Input::remove("ssh");
terminate();
}