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From 5e5ca17e1e09cfe9a780c556528bbde23c93fc4e Mon Sep 17 00:00:00 2001
From: Richard Jones <rjones@redhat.com>
Date: Thu, 28 May 2020 14:27:37 +0100
Subject: [PATCH 03/26] block/curl: HTTP header field names are case
 insensitive
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RH-Author: Richard Jones <rjones@redhat.com>
Message-id: <20200528142737.17318-3-rjones@redhat.com>
Patchwork-id: 96895
O-Subject: [RHEL-AV-8.2.1 qemu-kvm PATCH 2/2] block/curl: HTTP header field names are case insensitive
Bugzilla: 1841038
RH-Acked-by: Eric Blake <eblake@redhat.com>
RH-Acked-by: Max Reitz <mreitz@redhat.com>
RH-Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>

From: David Edmondson <david.edmondson@oracle.com>

RFC 7230 section 3.2 indicates that HTTP header field names are case
insensitive.

Signed-off-by: David Edmondson <david.edmondson@oracle.com>
Message-Id: <20200224101310.101169-3-david.edmondson@oracle.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
(cherry picked from commit 69032253c33ae1774233c63cedf36d32242a85fc)
Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
---
 block/curl.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/block/curl.c b/block/curl.c
index f9ffb7f..6e32590 100644
--- a/block/curl.c
+++ b/block/curl.c
@@ -216,11 +216,12 @@ static size_t curl_header_cb(void *ptr, size_t size, size_t nmemb, void *opaque)
     size_t realsize = size * nmemb;
     const char *header = (char *)ptr;
     const char *end = header + realsize;
-    const char *accept_ranges = "Accept-Ranges:";
+    const char *accept_ranges = "accept-ranges:";
     const char *bytes = "bytes";
 
     if (realsize >= strlen(accept_ranges)
-        && strncmp(header, accept_ranges, strlen(accept_ranges)) == 0) {
+        && g_ascii_strncasecmp(header, accept_ranges,
+                               strlen(accept_ranges)) == 0) {
 
         char *p = strchr(header, ':') + 1;
 
-- 
1.8.3.1