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

[alex xmb sw ratchev]

On Sun, May 19, 2024, 13:46 Peng Yu <pengyu.ut@gmail.com> wrote:

> 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?
>

they make tcp conn , what u printf in is ur thing
and when to read or printf more first

i dont get ur http example much

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
>