Monday, March 6, 2023

Digest for comp.lang.c++@googlegroups.com - 25 updates in 6 topics

Jivanmukta <jivanmukta@poczta.onet.pl>: Mar 06 05:06PM +0100

Please explain me why this code outputs text with \r\r\n, not \r\n. I
run it in Windows 10. When I call my program with >__test.txt I see
\r\r\n in file __text.txt.
I don't know why additional \r in text outputed from get_help() - I have
single END_LINE after each line (in returned string).
 
#define END_LINE "\r\n"
 
void failure_dirtyphp(string errors) {
if (last_obfuscation_stream.is_open()) {
OUTPUT(errors);
last_obfuscation_stream.close();
} else {
cout << errors << endl;
}
unlink((wstr2str(tmp_dir()) + ::pid_filename).c_str());
exit(EXIT_FAILURE);
}
 
main() {
...
failure_dirtyphp(dirtyphp.get_usage() + END_LINE +
dirtyphp.get_help() + END_LINE);
...
}
 
string obfuscator::get_help() const {
strvector f;
vector<int> zf, yii;
for (auto it = frameworks_config.begin(); it !=
frameworks_config.end(); ++it) {
f.insert(f.end(), it->first);
if (starts_with(it->first, "zf")) {
zf.insert(zf.end(), stoi(safe_substr(it->first, 2)));
}
if (starts_with(it->first, "yii")) {
yii.insert(yii.end(), stoi(safe_substr(it->first, 3)));
}
}
sort(f.begin(), f.end());
sort(zf.begin(), zf.end());
sort(yii.begin(), yii.end());
// string config_filepath = wstr2str(installation_dir +
dir_separator + L"xml" + dir_separator) + config_filename;
return string("") +
"The program obfuscates PHP " + SUPPORTED_PHP_VERSIONS + "
application source code from php_application_dir and puts obfuscated
code into php_result_dir (so these directories must be different);
php_result_dir should not exist (it is created by dirtyphp) or it should
be empty." + END_LINE +
"Minimal required PHP version: " + min_php_version + END_LINE +
"You can obfuscate aplication using any MVC framework or using
Composer (and MVC frameworks) or you can obfuscate application written
without any framework at all." + END_LINE +
"If you don't use any framework, do not use options:
--controllers, --models, --views, (use them if you use --framework or
--vendor), --framework, --vendor and --system." + END_LINE +
"For example, if you use CodeIgniter 4, use --framework=ci4 and
--system='path to ci4 dir' and you may but you don't have to use
options: --reserved, --subdirs, --controllers, --models, --views.
Default values from xml/" + config_filename + " file will be assumed." +
END_LINE +
"Similarly use --framework=yii# for Yii version # framework (#
equal to: " + implode(" ", yii) + "), or --framework=zf# for Zend
Framework version # (# equal to: " + implode(" ", zf) + ")." + END_LINE +
"Allowed frameworks identifiers are: " + implode(", ", f) + "."
+ END_LINE +
"If you use another (not mentioned) MVC framework, use
--framework=other --system='path to framework dir' --subdirs=...
--controllers=... --models=... --views=... and optionally
--obfpctl=(0|1) --obfpmdl=(0|1) --obfpvw=(0|1) --obfvvw=(0|1)." + END_LINE +
"You may also add such framework (let's say myfrm) to xml/" +
config_filename + " configuration file and use --framework=myfrm option
(then you will not have to use --subdirs --controllers --models --views
options because configuration file contains these data)." + END_LINE +
"If you use Composer, use options --vendor='path to vendor dir'
--vendorframeworks='comma separated list of frameworks ids'
--vendorsystems='comma separated list of frameworks subdirs' instead of
--framework --system options; if --vendorframeworks contains more than 1
framework, you should use --subdirs=... --controllers=... --models=...
--views=... (they may be empty), and (not necessary) --obfpctl=(0|1)
--obfpmdl=(0|1) --obfpvw=(0|1) --obfvvw=(0|1) options." + END_LINE +
"Option --obfpctl=1 means that properties in controllers should
be obfuscated, --obfpctl=0 means that they should not." + END_LINE +
"Option --obfpmdl=1 means that properties in models should be
obfuscated, --obfpmdl=0 means that they should not." + END_LINE +
"Option --obfpvw=1 means that properties in views (if it is a
PHP class) should be obfuscated, --obfpvw=0 means that they should not."
+ END_LINE +
"Option --obfvvw=1 means that variables in views should be
obfuscated, --obfvvw=0 means that they should not." + END_LINE +
"If you use 3rd party libraries, use option --3rdparty, unless
they are in vendor folder (and you use --vendor option - in this case
you don\'t list them in --3rdparty option)." + END_LINE +
"Identifiers used by frameworks and identifiers used by 3rd
party libraries are not obfuscated." + END_LINE +
"If you use --subdirs and --framework options, all
subdirectories taken from --subdirs and xml/" + config_filename + " will
be obfuscated." + END_LINE +
"The program obfuscates *." + implode(" *.", explode(",",
default_extensions)) + " files in specified subdirectories." + END_LINE +
"Unless you use --extensions option, extensions " +
default_extensions + " are assumed." + END_LINE +
"Supply reserved variables, properties, functions (f.e. quoted
in apostrophes) and methods (f.e. _remap) in --reserved option." +
END_LINE +
"When you use --reserved option (to exclude some identifiers),
supply reserved identifiers from files only inside directories specified
in --subdirs option." + END_LINE +
"Default length of generated identifiers is " +
to_string(::default_random_identifiers_length) + " characters, use
option --idlen to change it, but not less than " +
std::to_string(::min_random_identifiers_length) + "." + END_LINE +
"Use option --maxlinelen if you want to specify maximum length
of source code lines, default is " +
std::to_string(::default_max_line_len) + "; significant increase of this
value may cause program's crash." +
#if defined(linux) || defined(__unix__) || defined(unix)
" Try: ulimit -s unlimited" +
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