Re: How is http request via /dev/tcp different from that of curl?

[Peng Yu]

I said I need to process the responses after the sentence you quoted. This
means that I can do whatever operations with those responses. Can those
tools have the ability allowing me to do so?

On Sat, May 18, 2024 at 3:29 AM alex xmb sw ratchev <fxmbsw7@gmail.com>
wrote:

> both tools i mentioned can put multiple user http requests , depending on
> httpd 2's
>
> they connect , and send user data , and recieve
> say u can send 3 requests , then read ..
>
> ita not ' those tools dont support multi request ' - thats wrong knowledge
>
> On Fri, May 17, 2024, 20:03 Peng Yu <pengyu.ut@gmail.com> wrote:
>
>> Please use proper grammar. I am not following you.
>>
>> On Fri, May 17, 2024 at 10:06 AM alex xmb sw ratchev <fxmbsw7@gmail.com>
>> wrote:
>>
>>>
>>>
>>> On Fri, May 17, 2024, 13:44 Peng Yu <pengyu.ut@gmail.com> wrote:
>>>
>>>> I know. But I need to establish one tcp connection and submit multiple
>>>> requests using the same connection. I don’t want the connection be closed
>>>> while I process the response. None external tools can achieve this.
>>>>
>>>
>>> what , ur dreaming ..
>>> if u http request , and the httpd is valid , u can send all kinds of
>>> http supported multi-things*
>>> no matter what tool all work
>>> its up to u having to make the http request n headers
>>> if u do well , and the httpd is not too junk , it ll work , no matter
>>> which tool
>>>
>>> On Fri, May 17, 2024 at 5:40 AM alex xmb sw ratchev <fxmbsw7@gmail.com>
>>>> wrote:
>>>>
>>>>> other tools to make tcp scripts are socat
>>>>> http://www.dest-unreach.org/socat/ and tcpclient and tcpserver from
>>>>> ucspi-tcp https://cr.yp.to/ucspi-tcp.html
>>>>>
>>>>> On Fri, May 17, 2024, 01:25 Peng Yu <pengyu.ut@gmail.com> wrote:
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> $ curl 'http://httpbin.org/get' -H 'User-Agent: Mozilla/5.0
>>>>>> (Macintosh; Intel Mac OS X 10.15; rv:125.0) Gecko/20100101
>>>>>> Firefox/125.0' -H 'Accept: application/json' -H 'Accept-Language:
>>>>>> en-US,en;q=0.5' -H 'Accept-Encoding: gzip, deflate' -H 'Referer:
>>>>>> http://httpbin.org/' -H 'DNT: 1' -H 'Sec-GPC: 1' -H 'Connection:
>>>>>> keep-alive'
>>>>>> {
>>>>>>   "args": {},
>>>>>>   "headers": {
>>>>>>     "Accept": "application/json",
>>>>>>     "Accept-Encoding": "gzip, deflate",
>>>>>>     "Accept-Language": "en-US,en;q=0.5",
>>>>>>     "Dnt": "1",
>>>>>>     "Host": "httpbin.org",
>>>>>>     "Referer": "http://httpbin.org/";,
>>>>>>     "Sec-Gpc": "1",
>>>>>>     "User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15;
>>>>>> rv:125.0) Gecko/20100101 Firefox/125.0",
>>>>>>     "X-Amzn-Trace-Id": "Root=1-66469337-0aab56e96f4fee271f6a09ce"
>>>>>>   },
>>>>>>   "origin": "xxx.xxx.xxx.xxx",
>>>>>>   "url": "http://httpbin.org/get";
>>>>>> }
>>>>>>
>>>>>> I want to replicate the same thing in bash below. But the result is
>>>>>> not the same. How is the bash http request via /dev/tcp different from
>>>>>> that of curl?
>>>>>>
>>>>>> exec {fd}<>/dev/tcp/httbin.org/80
>>>>>>
>>>>>> echo -e "GET /get HTTP/1.1\r
>>>>>> Host: httpbin.org\r
>>>>>> User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:125.0)
>>>>>> Gecko/20100101 Firefox/125.0\r
>>>>>> Accept: application/json\r
>>>>>> Accept-Language: en-US,en;q=0.5\r
>>>>>> Accept-Encoding: gzip, deflate\r
>>>>>> Referer: http://httpbin.org/\r
>>>>>> DNT: 1\r
>>>>>> Sec-GPC: 1\r
>>>>>> Connection: keep-alive\r
>>>>>> \r" >&"$fd"
>>>>>>
>>>>>> function httpprotocol/recv {
>>>>>>   while IFS= read -u "$fd" -r; do
>>>>>>     if [[ $REPLY =~ ^([^:]+):\ *(.*)$'\r'$ ]]; then
>>>>>>       headers[${BASH_REMATCH[1],,}]=${BASH_REMATCH[2]}
>>>>>>     elif [[ $REPLY = $'\r' ]]; then
>>>>>>       LC_ALL=C read -u "$fd" -r -d '' -N "${headers[content-length]}"
>>>>>> body
>>>>>>       break
>>>>>>     fi
>>>>>>  printf -v REPLY '%q' "$REPLY"
>>>>>>  echo "$REPLY"
>>>>>>   done
>>>>>> }
>>>>>>
>>>>>> declare -A headers
>>>>>> $ httpprotocol/recv
>>>>>> $'HTTP/1.1 200 OK\r'
>>>>>> $'accept-ch: Sec-CH-UA, Sec-CH-UA-Platform,
>>>>>> Sec-CH-UA-Platform-Version, Sec-CH-UA-Mobile\r'
>>>>>> $'cache-control: max-age=0, private, must-revalidate\r'
>>>>>> $'connection: close\r'
>>>>>> $'content-length: 475\r'
>>>>>> $'content-type: text/html; charset=utf-8\r'
>>>>>> $'date: Thu, 16 May 2024 23:18:56 GMT\r'
>>>>>> $'server: nginx\r'
>>>>>> $'set-cookie: sid=ab0e69e8-13da-11ef-911e-ea384f7d4599; path=/;
>>>>>> domain=.httpbin.org; expires=Wed, 04 Jun 2092 02:33:03 GMT;
>>>>>> max-age=2147483647; HttpOnly\r'
>>>>>>
>>>>>> $ declare -p headers
>>>>>> declare -A headers=([server]="nginx" [connection]="close"
>>>>>> [content-type]="text/html; charset=utf-8" [cache-control]="max-age=0,
>>>>>> private, must-revalidate"
>>>>>> [set-cookie]="sid=ab0e69e8-13da-11ef-911e-ea384f7d4599; path=/;
>>>>>> domain=.httpbin.org; expires=Wed, 04 Jun 2092 02:33:03 GMT;
>>>>>> max-age=2147483647; HttpOnly" [content-length]="475"
>>>>>> [accept-ch]="Sec-CH-UA, Sec-CH-UA-Platform,
>>>>>> Sec-CH-UA-Platform-Version, Sec-CH-UA-Mobile" [date]="Thu, 16 May 2024
>>>>>> 23:18:56 GMT" )
>>>>>> $ echo "$body"
>>>>>> <html><head><title>Loading...</title></head><body><script
>>>>>> type='text/javascript'>window.location.replace('
>>>>>> http://httpbin.org/get?ch=1&js=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJhdWQiOiJKb2tlbiIsImV4cCI6MTcxNTkwODczNiwiaWF0IjoxNzE1OTAxNTM2LCJpc3MiOiJKb2tlbiIsImpzIjoxLCJqdGkiOiIydjgxbW1wajdvc2w5b2M4M2swMHBwNmMiLCJuYmYiOjE3MTU5MDE1MzYsInRzIjoxNzE1OTAxNTM2NTQzNzg3fQ.Bc07CLhZ_HLw5QwfQoWotZPfoegQMRYc84bD-Wqg96k&sid=ab0e69e8-13da-11ef-911e-ea384f7d4599')
>>>>>> ;</script></body></html>
>>>>>>
>>>>>> --
>>>>>> Regards,
>>>>>> Peng
>>>>>>
>>>>>> --
>>>> Regards,
>>>> Peng
>>>>
>>> --
>> Regards,
>> Peng
>>
> --
Regards,
Peng