From: Michael R Sweet <michaelrsweet@gmail.com>
Date: Thu, 17 Nov 2016 18:32:45 +0000 (-0500)
Subject: Let's Encrypt certificates did not work when the hostname contained uppercase
X-Git-Tag: v2.2.2~40
X-Git-Url: http://git.ipfire.org/?p=thirdparty%2Fcups.git;a=commitdiff_plain;h=bd31658d04ed320fd6e8b2896f6997c37fbb3ee0

Let's Encrypt certificates did not work when the hostname contained uppercase
letters (Issue #4919)
---

diff --git a/CHANGES.txt b/CHANGES.txt
index 00dcd85b6..33a750168 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,4 +1,4 @@
-CHANGES.txt - 2.2.2 - 2016-11-15
+CHANGES.txt - 2.2.2 - 2016-11-17
 --------------------------------
 
 CHANGES IN CUPS V2.2.2
@@ -17,6 +17,8 @@ CHANGES IN CUPS V2.2.2
 	  for mimeMediaType, name, and text values in conformance with RFC 2911.
 	- The network backends now log the addresses that were found for a
 	  printer (<rdar://problem/29268474>)
+	- Let's Encrypt certificates did not work when the hostname contained
+	  uppercase letters (Issue #4919)
         - Updated documentation (PR #4896)
         - Updated localizations (PR #4894, PR #4895, PR #4904, PR #4908)
 
diff --git a/cups/http-addr.c b/cups/http-addr.c
index dd61d4a09..78d5ea83e 100644
--- a/cups/http-addr.c
+++ b/cups/http-addr.c
@@ -871,6 +871,18 @@ httpGetHostname(http_t *http,		/* I - HTTP connection or NULL */
       strlcat(s, ".", (size_t)slen);
   }
 
+ /*
+  * Convert the hostname to lowercase as needed...
+  */
+
+  if (s[0] != '/')
+  {
+    char	*ptr;			/* Pointer into string */
+
+    for (ptr = s; *ptr; ptr ++)
+      *ptr = (char)_cups_tolower((int)*ptr);
+  }
+
  /*
   * Return the hostname with as much domain info as we have...
   */