[jira] [Updated] (TS-2953) GET Host header in reverse proxy setup

["Vasile Bogdan Raica (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TS-2953?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vasile Bogdan Raica updated TS-2953:
------------------------------------

    Labels: API  (was: )

> GET Host header in reverse proxy setup
> --------------------------------------
>
>                 Key: TS-2953
>                 URL: https://issues.apache.org/jira/browse/TS-2953
>             Project: Traffic Server
>          Issue Type: Bug
>            Reporter: Vasile Bogdan Raica
>              Labels: API
>
> Hello, been trying this for 3 days, I think this is a bug. See bellow code, this has been tested on TS_HTTP_PRE_REMAP_HOOK and TS_HTTP_READ_REQUEST_HDR_HOOK. Also the example for blacklist, which uses the same thing, also fails.
> Same goes with getting the URL string, it will remove the hostname and leave the requested part, eg.
> http:///somefile.php
> (there are 3 slashes there).
> I've been using ATS for about 3 days (yes short time) and trying to make a plugin for it and I can't seem to get what I want ... I may be missing something, and if so, I apologize for taking your time to read this and if possible, kindly show me the right way to do this if possible.
> static void
> handle_request(TSHttpTxn txnp, TSCont contp) {
>     TSMBuffer bufp; // TSMBuffer
>     TSMLoc hdr_loc; // TSMLoc offset
>     TSMLoc url_loc; // TSMLoc locp
>     const char *host;
>     int host_length;
>     // getting client request
>     errorCode = TSHttpTxnClientReqGet (txnp, &bufp, &hdr_loc);
>     if (errorCode != TS_SUCCESS) {
>         TSError ("couldn't retrieve client request header\n");
>         goto done;
>     } else {
>         TSTextLogObjectWrite(logFile, "Reading client request...");
>     }
>     // getting client requested url
>     errorCode = TSHttpHdrUrlGet (bufp, hdr_loc, &url_loc);
>     if (errorCode != TS_SUCCESS) {
>         TSError ("couldn't retrieve request url\n");
>         TSHandleMLocRelease (bufp, TS_NULL_MLOC, hdr_loc);
>         goto done;
>     } else {
>         TSTextLogObjectWrite(logFile, "Reading url_loc request...");
>     }
>     // getting  host
>     host = TSUrlHostGet (bufp, url_loc, &host_length);
>     TSTextLogObjectWrite(logFile, "Getting host header... %s", host);
>     if (!host) {
>         TSError ("couldn't retrieve request host header \n");
>         TSHandleMLocRelease (bufp, hdr_loc, url_loc);
>         TSHandleMLocRelease (bufp, TS_NULL_MLOC, hdr_loc);
>         goto done;
>     } else {
>         TSTextLogObjectWrite(logFile, "Getting host header... %s", host);
>     }
>     done:
>         TSTextLogObjectWrite(logFile, "Allowing http event to continue ...");
>         TSHttpTxnReenable(txnp, TS_EVENT_HTTP_CONTINUE);
> }



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