Index: net/dns/dns_util.cc |
diff --git a/net/dns/dns_util.cc b/net/dns/dns_util.cc |
index 06becc2b48b7e223e4ff57243b2c577db868caef..e7844dd8c4f963cffd10735c6b963107a0b64b28 100644 |
--- a/net/dns/dns_util.cc |
+++ b/net/dns/dns_util.cc |
@@ -45,7 +45,9 @@ const int kMaxLabelLength = 63; |
namespace net { |
// Based on DJB's public domain code. |
-bool DNSDomainFromDot(const base::StringPiece& dotted, std::string* out) { |
+bool DNSDomainFromDotWithValidityCheck(const base::StringPiece& dotted, |
+ std::string* out, |
+ bool* valid_name) { |
const char* buf = dotted.data(); |
size_t n = dotted.size(); |
char label[kMaxLabelLength]; |
@@ -53,7 +55,7 @@ bool DNSDomainFromDot(const base::StringPiece& dotted, std::string* out) { |
char name[dns_protocol::kMaxNameLength]; |
size_t namelen = 0; /* <= sizeof name */ |
char ch; |
- bool valid_name = true; |
+ *valid_name = true; |
for (;;) { |
if (!n) |
@@ -75,16 +77,18 @@ bool DNSDomainFromDot(const base::StringPiece& dotted, std::string* out) { |
if (labellen >= sizeof label) |
return false; |
if (!IsValidHostLabelCharacter(ch, labellen == 0)) { |
- // TODO(palmer): In the future, when we can remove support for invalid |
- // names, return false here instead (and remove the Net.Valid*DNSName UMA |
- // counters). |
- valid_name = false; |
+ // TODO(crbug.com/695474): In the future, when we can remove support for |
+ // invalid names, return false here instead (and remove the UMA counter). |
+ // And remove the |valid_name| parameter, rename this function back to |
+ // |DNSDomainFromDot|, and remove the helper function by that name |
+ // (below). |
+ *valid_name = false; |
} |
label[labellen++] = ch; |
} |
- UMA_HISTOGRAM_BOOLEAN("Net.ValidDNSName", valid_name); |
- if (valid_name) { |
+ UMA_HISTOGRAM_BOOLEAN("Net.ValidDNSName", *valid_name); |
+ if (*valid_name) { |
url::CanonHostInfo info; |
UMA_HISTOGRAM_BOOLEAN("Net.DNSNameCompliantIfValid", |
net::IsCanonicalizedHostCompliant( |
@@ -111,6 +115,11 @@ bool DNSDomainFromDot(const base::StringPiece& dotted, std::string* out) { |
return true; |
} |
+bool DNSDomainFromDot(const base::StringPiece& dotted, std::string* out) { |
+ bool ignored; |
+ return DNSDomainFromDotWithValidityCheck(dotted, out, &ignored); |
+} |
+ |
bool IsValidDNSDomain(const base::StringPiece& dotted) { |
std::string dns_formatted; |
return DNSDomainFromDot(dotted, &dns_formatted); |