HI, libcurl handles the data you point to with CURLOPT_POSTFIELDS as raw byte data, or rather "ibcurl will not convert or encode it for you in any way" as the doc says. Could be that your webserver requires a different Content-Type header to receive it correctly.
If you use http then I would fire up a network sniffer if I where you to first make sure that what it sent on the wire is the hexbytes that I expect them to be, if they are not then you should check your code for problems, if they do match then it's time to check the server. /HH Den mån 26 apr. 2021 kl 18:52 skrev Milen Nikolov via curl-library < curl-library@cool.haxx.se>: > Hi, > > thanks for the answer, I got a few more suggesting the same option. I > tried it today and it worked fine. I have a follow up question though. In > the string I'm sending there are extended ASCII characters. I'm currently > sending them to a test server and what I'm getting back is incorrect. > However since I haven't set up the server it's hard for me to know if the > problem is with curl or with the way the server is set up, so I wanted to > know if the extended ASCII chars in the POST field are getting sent > correctly. I tried searching but I only found suggestions to URL encode > them, which in my case is impossible, since the server is supposed to read > the HEX value of the symbol using the Latin 1 encoding. > > Best Regards, > Milen > > > On 23/04/2021 17:17 Daniel Stenberg <dan...@haxx.se> wrote: > > > > > > On Fri, 23 Apr 2021, Milen Nikolov via curl-library wrote: > > > > > I'm using libcurl in C++ and I have to make a post request to a > server, > > > containing a string in the body section. Another -condition is that I > have > > > to specify the content-type as octet-stream. I've set the header, > > > authentication and so on, but there is one problem: the curl function > > > (CURLOPT_POSTFIELDS) takes as argument a c-string. In my string there > are > > > also NUL characters, which have to be sent. When I try sending the > request > > > the body is truncated at the first NUL chararcter. > > > > Set CURLOPT_POSTFIELDSIZE to the size of the data and it will not do > strlen() > > to figure out the size. > > > > I also just filed https://github.com/curl/curl/pull/6943 to clarify > this > > better. > > > > -- > > > > / daniel.haxx.se > > | Commercial curl support up to 24x7 is available! > > | Private help, bug fixes, support, ports, new features > > | https://www.wolfssl.com/contact/ > ------------------------------------------------------------------- > Unsubscribe: https://cool.haxx.se/list/listinfo/curl-library > Etiquette: https://curl.se/mail/etiquette.html
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