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http_proxy: a blank CURLOPT_USERAGENT should not be used in CONNECT

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Extended test 80 to verify this.

Reported-by: Stefan Eissing
Fixes #12680
Closes #12681
This commit is contained in:
Daniel Stenberg 2024-01-10 23:20:09 +01:00
parent dd0f680fc0
commit 693cd16793
No known key found for this signature in database
GPG Key ID: 5CC908FDB71E12C2
2 changed files with 3 additions and 5 deletions
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4
lib/http_proxy.c
View File

@ -131,8 +131,8 @@ CURLcode Curl_http_proxy_create_CONNECT(struct httpreq **preq,
goto out;
}
if(!Curl_checkProxyheaders(data, cf->conn, STRCONST("User-Agent"))
&& data->set.str[STRING_USERAGENT]) {
if(!Curl_checkProxyheaders(data, cf->conn, STRCONST("User-Agent")) &&
data->set.str[STRING_USERAGENT] && *data->set.str[STRING_USERAGENT]) {
result = Curl_dynhds_cadd(&req->headers, "User-Agent",
data->set.str[STRING_USERAGENT]);
if(result)

4
tests/data/test80
View File

@ -53,7 +53,7 @@ http-proxy
HTTP 1.0 CONNECT with proxytunnel and proxy+host Basic authentication
</name>
<command>
http://test.%TESTNUMBER:%HTTPPORT/we/want/that/page/%TESTNUMBER -p --proxy1.0 %HOSTIP:%PROXYPORT --user iam:myself --proxy-user youare:yourself
http://test.%TESTNUMBER:%HTTPPORT/we/want/that/page/%TESTNUMBER -p --proxy1.0 %HOSTIP:%PROXYPORT --user iam:myself --proxy-user youare:yourself -A ""
</command>
<features>
proxy
@ -67,7 +67,6 @@ proxy
CONNECT test.%TESTNUMBER:%HTTPPORT HTTP/1.0
Host: test.%TESTNUMBER:%HTTPPORT
Proxy-Authorization: Basic eW91YXJlOnlvdXJzZWxm
User-Agent: curl/%VERSION
Proxy-Connection: Keep-Alive
</proxy>
@ -75,7 +74,6 @@ Proxy-Connection: Keep-Alive
GET /we/want/that/page/%TESTNUMBER HTTP/1.1
Host: test.%TESTNUMBER:%HTTPPORT
Authorization: Basic aWFtOm15c2VsZg==
User-Agent: curl/%VERSION
Accept: */*
</protocol>