From: Daniel Stenberg <daniel@haxx.se>
Date: Thu, 22 Aug 2024 13:55:09 +0000 (+0200)
Subject: setopt: make CURLOPT_TFTP_BLKSIZE accept bad values
X-Git-Tag: curl-8_10_0~146
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=17dde53968114080f078afb9acccbe27c044bf4b;p=thirdparty%2Fcurl.git

setopt: make CURLOPT_TFTP_BLKSIZE accept bad values

... and just move them into the accepted range. Like how buffersize and
a few other options work.

Closes #14634
---

diff --git a/lib/setopt.c b/lib/setopt.c
index e8d7ada14e..8832fca126 100644
--- a/lib/setopt.c
+++ b/lib/setopt.c
@@ -425,8 +425,10 @@ CURLcode Curl_vsetopt(struct Curl_easy *data, CURLoption option, va_list param)
      * TFTP option that specifies the block size to use for data transmission.
      */
     arg = va_arg(param, long);
-    if(arg > TFTP_BLKSIZE_MAX || arg < TFTP_BLKSIZE_MIN)
-      return CURLE_BAD_FUNCTION_ARGUMENT;
+    if(arg < TFTP_BLKSIZE_MIN)
+      arg = 512;
+    else if(arg > TFTP_BLKSIZE_MAX)
+      arg = TFTP_BLKSIZE_MAX;
     data->set.tftp_blksize = arg;
     break;
 #endif