conflag | standard flag package with config file support | Configuration Management library
kandi X-RAY | conflag Summary
kandi X-RAY | conflag Summary
conflag is a drop-in replacement for Go's standard flag package with config file support.
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QUESTION
I have a system of arduino which sends back "1" when browsing "10.0.0.1/connection". I am storing that "1" into a variable called 'value' and accessing it in another method. While accessing value in another method it gives null pointer exception.
Description :
This is the method which loads url and store's whatever source code i receive into a variable.
...ANSWER
Answered 2021-Apr-22 at 08:17Create an interface for Result like this:
QUESTION
getMessage() );
}
if ( $socket === FALSE )
{
die( "bad socket" );
}
//fwrite( $socket, "GET /\n" );
echo fread( $socket, 8192 );
...ANSWER
Answered 2018-Jun-22 at 15:11There is an overview of the SOCKS protocol at https://en.wikipedia.org/wiki/SOCKS.
This is some dirty code to quickly connect to a SOCKS proxy.
fwrite( $socket, pack( "C3", 0x05, 0x01, 0x00 ) );
means sends the bytes 5, 1, and 0.
In an initial connection request this means "SOCKS version 5
", 1
authentication method supported, and that one authentication method is No authentication
.
if ( $server_status == pack( "C2", 0x05, 0x00 ) )
is checking that the server responded with "Socks version 5
, Use No Authentication
".
fwrite( $socket, pack( "C5", 0x05, 0x01, 0x00, 0x03, strlen( $desthost ) ) . $desthost . pack( "n", $port ) );
is sending a connection request:
- 5 (SOCKS version 5)
- 1 (TCP connection request)
- 0 (Reserved)
- 3 (Use a domain name)
length
of domain name- The domain name
- port number in network byte order
if ( ord( $server_buffer[0] ) == 5 && ord( $server_buffer[1] ) == 0 && ord( $server_buffer[2] ) == 0 )
is checking the server response.
- 5 Socks version 5
- 0 Request granted
- 0 Reserved byte.
There are more fields but it's ignoring them, and hoping that they fit exactly into 10 bytes, which may not be true if it returns back the domain address or an IPv6 address.
At this point, the connection to the remote server is established. It then upgrades it to TLS, and should otherwise work as expected.
For your IMAP commands after this point, make sure they end in "\r\n". You don't actually show your code for this, so we can't help debug it.
SOCKS5 is formally specified in RFC1928.
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