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proxy: show getenv proxy use in verbose output

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... to aid debugging etc as it sometimes isn't immediately obvious why
curl uses or doesn't use a proxy.

Inspired by #2477

Closes #2480
This commit is contained in:
Daniel Stenberg 2018-04-10 21:30:28 +02:00
parent 249a7c9dac
commit 85eea2fb38
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GPG Key ID: 5CC908FDB71E12C2
1 changed files with 20 additions and 8 deletions
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28
lib/url.c
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@ -2662,13 +2662,19 @@ static char *detect_proxy(struct connectdata *conn)
prox = curl_getenv(proxy_env);
}
if(prox)
envp = proxy_env;
if(prox) {
proxy = prox; /* use this */
else {
proxy = curl_getenv("all_proxy"); /* default proxy to use */
if(!proxy)
proxy = curl_getenv("ALL_PROXY");
}
else {
envp = (char *)"all_proxy";
proxy = curl_getenv(envp); /* default proxy to use */
if(!proxy) {
envp = (char *)"ALL_PROXY";
proxy = curl_getenv(envp);
}
}
infof(conn->data, "Uses proxy env variable %s == '%s'\n", envp, proxy);
return proxy;
}
@ -2953,9 +2959,15 @@ static CURLcode create_conn_helper_init_proxy(struct connectdata *conn)
}
if(!data->set.str[STRING_NOPROXY]) {
no_proxy = curl_getenv("no_proxy");
if(!no_proxy)
no_proxy = curl_getenv("NO_PROXY");
const char *p = "no_proxy";
no_proxy = curl_getenv(p);
if(!no_proxy) {
p = "NO_PROXY";
no_proxy = curl_getenv(p);
}
if(no_proxy) {
infof(conn->data, "Uses proxy env variable %s == '%s'\n", p, no_proxy);
}
}
if(check_noproxy(conn->host.name, data->set.str[STRING_NOPROXY] ?