input/curl: enable CURLOPT_NETRC

I wanted mpd to play a mp3 stream from a music website. The stream is only available to subscribers, which restriction is enforced through normal http authentication. However, the URL I get from the website is not the final URL of the stream, but a generic URL which points to the real one through a redirect (code 301). Thus, I cannot predict the final URL, and so I cannot use the username:password hack to force the authentication, and mpd (libcurl on mpds behalf) fails to grab the stream. libcurl allows the option CURLOPT_NETRC to be set and then the credentials can be stored in the good old .netrc file (in this case it would be ~mpd/.netrc, of course). But mpd doesn't set this option. I think it should.

input/curl: enable CURLOPT_NETRC
27aa34d4 · Ian Zimmerman · Max Kellermann · 79e0db4c · 27aa34d4 · 27aa34d4
Commit 27aa34d4 authored Jan 29, 2011 by Ian Zimmerman Committed by Max Kellermann Jan 29, 2011
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NEWS NEWS +1 -0

curl_input_plugin.c src/input/curl_input_plugin.c +1 -0

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--- a/NEWS
+++ b/NEWS
 ver 0.17 (2010/??/??)
 * input:
  - cdio_paranoia: new input plugin to play audio CDs
+  - curl: enable CURLOPT_NETRC
 * decoder:
  - mpg123: implement seeking
 * output:

--- a/src/input/curl_input_plugin.c
+++ b/src/input/curl_input_plugin.c
@@ -647,6 +647,7 @@ input_curl_easy_init(struct input_curl *c, GError **error_r)
 	curl_easy_setopt(c->easy, CURLOPT_WRITEDATA, c);
 	curl_easy_setopt(c->easy, CURLOPT_HTTP200ALIASES, http_200_aliases);
 	curl_easy_setopt(c->easy, CURLOPT_FOLLOWLOCATION, 1);
+	curl_easy_setopt(c->easy, CURLOPT_NETRC, 1);
 	curl_easy_setopt(c->easy, CURLOPT_MAXREDIRS, 5);
 	curl_easy_setopt(c->easy, CURLOPT_FAILONERROR, true);
 	curl_easy_setopt(c->easy, CURLOPT_ERRORBUFFER, c->error);