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A C library for asynchronous DNS requests (grpc依赖)
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c-ares/get_ver.awk

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Avoid buffer overflow in RC4 loop comparison (#336) The rc4 function iterates over a buffer of size buffer_len who's maximum value is INT_MAX with a counter of type short that is not guaranteed to have maximum size INT_MAX. In circumstances where short is narrower than int and where buffer_len is larger than the maximum value of a short, it may be possible to loop infinitely as counter will overflow and never be greater than or equal to buffer_len. The solution is to make the comparison be between types of equal width. This commit defines counter as an int. Fix By: Fionn Fitzmaurice (@fionn)
4 years ago
# ***************************************************************************
# * Project: c-ares
# *
provide SPDX identifiers and a REUSE CI job to verify All files have their licence and copyright information clearly identifiable. If not in the file header, they are set separately in .reuse/dep5. All used license texts are provided in LICENSES/
2 years ago
# * Copyright (C) The c-ares project and its contributors
# * SPDX-License-Identifier: MIT
Avoid buffer overflow in RC4 loop comparison (#336) The rc4 function iterates over a buffer of size buffer_len who's maximum value is INT_MAX with a counter of type short that is not guaranteed to have maximum size INT_MAX. In circumstances where short is narrower than int and where buffer_len is larger than the maximum value of a short, it may be possible to loop infinitely as counter will overflow and never be greater than or equal to buffer_len. The solution is to make the comparison be between types of equal width. This commit defines counter as an int. Fix By: Fionn Fitzmaurice (@fionn)
4 years ago
# ***************************************************************************
# awk script which fetches c-ares version number and string from input
# file and writes them to STDOUT. Here you can get an awk version for Win32:
# http://www.gknw.net/development/prgtools/awk-20100523.zip
#
BEGIN {
while ((getline < ARGV[1]) > 0) {
sub("\r", "") # make MSYS gawk work with CRLF header input.
if (match ($0, /^#define ARES_COPYRIGHT "[^"]+"$/))
copyright_string = substr($0, 25, length($0)-25)
else if (match ($0, /^#define ARES_VERSION_STR "[^"]+"$/))
version_string = substr($3, 2, length($3)-2)
else if (match ($0, /^#define ARES_VERSION_MAJOR [0-9]+$/))
version_major = $3
else if (match ($0, /^#define ARES_VERSION_MINOR [0-9]+$/))
version_minor = $3
else if (match ($0, /^#define ARES_VERSION_PATCH [0-9]+$/))
version_patch = $3
}
print "LIBCARES_VERSION = " version_major "," version_minor "," version_patch
print "LIBCARES_VERSION_STR = " version_string
print "LIBCARES_COPYRIGHT_STR = " copyright_string
}