[PATCH] http: Fix HLS playback on some servers

https://github.com/RPi-Distro/vlc/issues/101

The issue is that the server doesn't like the port number on the end of
the Host line. This is a server fault, but it is legitimate to omit the
port number if it is the default so remove it if that is the case.

Signed-off-by: John Cox <[email protected]>
---
This patch is against 3.0.20, I haven't tested 4.x

 modules/access/http/message.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/modules/access/http/message.c b/modules/access/http/message.c
index 6e10f4206e..336d50dc30 100644
--- a/modules/access/http/message.c
+++ b/modules/access/http/message.c
@@ -306,11 +306,17 @@ char *vlc_http_msg_format(const struct vlc_http_msg *m, size_t *restrict lenp,
 
     if (m->status < 0)
     {
+        int hlen = (int)strlen(m->authority);
+        if (hlen > 4 && strcmp(m->scheme, "https") == 0 && strcmp(m->authority + hlen - 4, ":443") == 0)
+            hlen -= 4;
+        else if (hlen > 3 && strcmp(m->scheme, "http") == 0 && strcmp(m->authority + hlen - 3, ":80") == 0)
+            hlen -= 3;
+
         vlc_memstream_printf(&stream, "%s ", m->method);
         if (proxied)
             vlc_memstream_printf(&stream, "%s://%s", m->scheme, m->authority);
-        vlc_memstream_printf(&stream, "%s HTTP/1.1\r\nHost: %s\r\n",
-                             m->path ? m->path : m->authority, m->authority);
+        vlc_memstream_printf(&stream, "%s HTTP/1.1\r\nHost: %.*s\r\n",
+                             m->path ? m->path : m->authority, hlen, m->authority);
     }
     else
         vlc_memstream_printf(&stream, "HTTP/1.1 %03hd .\r\n", m->status);
-- 
2.40.1

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