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From 8880d01298ccf89558b95b948984647959d862ae Mon Sep 17 00:00:00 2001
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From: Markus Armbruster <armbru@redhat.com>
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Date: Tue, 8 Sep 2015 18:06:25 +0200
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Subject: [PATCH 7/7] util/uri: Add overflow check to rfc3986_parse_port
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Message-id: <1441735585-23432-8-git-send-email-armbru@redhat.com>
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Patchwork-id: 67705
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O-Subject: [RHEL-7.2 qemu-kvm PATCH 7/7] util/uri: Add overflow check to rfc3986_parse_port
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Bugzilla: 1218919
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RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
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RH-Acked-by: Fam Zheng <famz@redhat.com>
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RH-Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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From: Max Reitz <mreitz@redhat.com>
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And while at it, replace tabs by eight spaces in this function.
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Signed-off-by: Max Reitz <mreitz@redhat.com>
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Message-Id: <1424887718-10800-2-git-send-email-mreitz@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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(cherry picked from commit 2b21233061696feed434317a70e0a8b74f956ec8)
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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 util/uri.c | 24 ++++++++++++++----------
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 1 file changed, 14 insertions(+), 10 deletions(-)
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diff --git a/util/uri.c b/util/uri.c
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index 1cfd78b..550b984 100644
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--- a/util/uri.c
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+++ b/util/uri.c
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@@ -320,19 +320,23 @@ static int
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 rfc3986_parse_port(URI *uri, const char **str)
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 {
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     const char *cur = *str;
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+    int port = 0;
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     if (ISA_DIGIT(cur)) {
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-	if (uri != NULL)
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-	    uri->port = 0;
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-	while (ISA_DIGIT(cur)) {
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-	    if (uri != NULL)
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-		uri->port = uri->port * 10 + (*cur - '0');
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-	    cur++;
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-	}
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-	*str = cur;
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-	return(0);
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+        while (ISA_DIGIT(cur)) {
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+            port = port * 10 + (*cur - '0');
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+            if (port > 65535) {
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+                return 1;
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+            }
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+            cur++;
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+        }
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+        if (uri) {
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+            uri->port = port;
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+        }
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+        *str = cur;
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+        return 0;
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     }
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-    return(1);
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+    return 1;
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 }
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 /**
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-- 
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1.8.3.1
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