diff -up chromium-99.0.4844.51/printing/backend/cups_helper.cc.el7cups chromium-99.0.4844.51/printing/backend/cups_helper.cc
--- chromium-99.0.4844.51/printing/backend/cups_helper.cc.el7cups 2022-02-28 19:05:55.000000000 -0500
+++ chromium-99.0.4844.51/printing/backend/cups_helper.cc 2022-03-05 15:17:45.516887985 -0500
@@ -34,18 +34,6 @@ namespace printing {
// This section contains helper code for PPD parsing for semantic capabilities.
namespace {
-// Function availability can be tested by checking whether its address is not
-// nullptr. Weak symbols remove the need for platform specific build flags and
-// allow for appropriate CUPS usage on platforms with non-uniform version
-// support, namely Linux.
-#define WEAK_CUPS_FN(x) extern "C" __attribute__((weak)) decltype(x) x
-
-WEAK_CUPS_FN(httpConnect2);
-
-// Timeout for establishing a CUPS connection. It is expected that cupsd is
-// able to start and respond on all systems within this duration.
-constexpr base::TimeDelta kCupsTimeout = base::Seconds(5);
-
// CUPS default max copies value (parsed from kCupsMaxCopies PPD attribute).
constexpr int32_t kDefaultMaxCopies = 9999;
constexpr char kCupsMaxCopies[] = "cupsMaxCopies";
@@ -527,8 +515,7 @@ const int kDefaultIPPServerPort = 631;
// Helper wrapper around http_t structure, with connection and cleanup
// functionality.
HttpConnectionCUPS::HttpConnectionCUPS(const GURL& print_server_url,
- http_encryption_t encryption,
- bool blocking)
+ http_encryption_t encryption)
: http_(nullptr) {
// If we have an empty url, use default print server.
if (print_server_url.is_empty())
@@ -538,17 +525,10 @@ HttpConnectionCUPS::HttpConnectionCUPS(c
if (port == url::PORT_UNSPECIFIED)
port = kDefaultIPPServerPort;
- if (httpConnect2) {
- http_ = httpConnect2(print_server_url.host().c_str(), port,
- /*addrlist=*/nullptr, AF_UNSPEC, encryption,
- blocking ? 1 : 0, kCupsTimeout.InMilliseconds(),
- /*cancel=*/nullptr);
- } else {
- // Continue to use deprecated CUPS calls because because older Linux
- // distribution such as RHEL/CentOS 7 are shipped with CUPS 1.6.
- http_ =
- httpConnectEncrypt(print_server_url.host().c_str(), port, encryption);
- }
+ // Continue to use deprecated CUPS calls because because older Linux
+ // distribution such as RHEL/CentOS 7 are shipped with CUPS 1.6.
+ http_ =
+ httpConnectEncrypt(print_server_url.host().c_str(), port, encryption);
if (!http_) {
LOG(ERROR) << "CP_CUPS: Failed connecting to print server: "
@@ -556,8 +536,6 @@ HttpConnectionCUPS::HttpConnectionCUPS(c
return;
}
- if (!httpConnect2)
- httpBlocking(http_, blocking ? 1 : 0);
}
HttpConnectionCUPS::~HttpConnectionCUPS() {
@@ -565,6 +543,10 @@ HttpConnectionCUPS::~HttpConnectionCUPS(
httpClose(http_);
}
+void HttpConnectionCUPS::SetBlocking(bool blocking) {
+ httpBlocking(http_, blocking ? 1 : 0);
+}
+
http_t* HttpConnectionCUPS::http() {
return http_;
}
diff -up chromium-99.0.4844.51/printing/backend/cups_helper.h.el7cups chromium-99.0.4844.51/printing/backend/cups_helper.h
--- chromium-99.0.4844.51/printing/backend/cups_helper.h.el7cups 2022-02-28 19:05:55.000000000 -0500
+++ chromium-99.0.4844.51/printing/backend/cups_helper.h 2022-03-05 15:17:45.517887991 -0500
@@ -34,10 +34,11 @@ constexpr cups_ptype_t kDestinationsFilt
class COMPONENT_EXPORT(PRINT_BACKEND) HttpConnectionCUPS {
public:
HttpConnectionCUPS(const GURL& print_server_url,
- http_encryption_t encryption,
- bool blocking);
+ http_encryption_t encryption);
~HttpConnectionCUPS();
+ void SetBlocking(bool blocking);
+
http_t* http();
private:
diff -up chromium-99.0.4844.51/printing/backend/print_backend_cups.cc.el7cups chromium-99.0.4844.51/printing/backend/print_backend_cups.cc
--- chromium-99.0.4844.51/printing/backend/print_backend_cups.cc.el7cups 2022-02-28 19:05:55.000000000 -0500
+++ chromium-99.0.4844.51/printing/backend/print_backend_cups.cc 2022-03-05 15:17:45.517887991 -0500
@@ -146,7 +146,7 @@ mojom::ResultCode PrintBackendCUPS::Enum
// not showing as available. Using cupsEnumDests() allows us to do our own
// filtering should any duplicates occur.
CupsDestsData dests_data = {0, nullptr};
- ipp_status_t last_error = IPP_STATUS_OK;
+ ipp_status_t last_error = IPP_OK;
if (print_server_url_.is_empty()) {
VLOG(1) << "CUPS: using cupsEnumDests to enumerate printers";
if (!cupsEnumDests(CUPS_DEST_FLAGS_NONE, kCupsTimeoutMs,
@@ -173,7 +173,7 @@ mojom::ResultCode PrintBackendCUPS::Enum
// no printer drivers installed. Rely upon CUPS error code to distinguish
// between these.
DCHECK(!dests_data.dests);
- if (last_error != IPP_STATUS_ERROR_NOT_FOUND) {
+ if (last_error != IPP_NOT_FOUND) {
VLOG(1) << "CUPS: Error getting printers from CUPS server"
<< ", server: " << print_server_url_
<< ", error: " << static_cast<int>(last_error) << " - "
@@ -336,7 +336,8 @@ int PrintBackendCUPS::GetDests(cups_dest
if (print_server_url_.is_empty())
return cupsGetDests2(CUPS_HTTP_DEFAULT, dests);
- HttpConnectionCUPS http(print_server_url_, cups_encryption_, blocking_);
+ HttpConnectionCUPS http(print_server_url_, cups_encryption_);
+ http.SetBlocking(blocking_);
// This call must be made in the same scope as `http` because its destructor
// closes the connection.
@@ -362,7 +363,8 @@ base::FilePath PrintBackendCUPS::GetPPD(
// connection will timeout after 10 seconds of no data period. And it will
// return the same way as if data was completely and successfully
// downloaded.
- HttpConnectionCUPS http(print_server_url_, cups_encryption_, blocking_);
+ HttpConnectionCUPS http(print_server_url_, cups_encryption_);
+ http.SetBlocking(blocking_);
ppd_file_path = cupsGetPPD2(http.http(), name);
// Check if the get full PPD, since non-blocking call may simply return
// normally after timeout expired.
@@ -398,7 +400,8 @@ PrintBackendCUPS::ScopedDestination Prin
// Use default (local) print server.
dest = cupsGetNamedDest(CUPS_HTTP_DEFAULT, printer_name.c_str(), nullptr);
} else {
- HttpConnectionCUPS http(print_server_url_, cups_encryption_, blocking_);
+ HttpConnectionCUPS http(print_server_url_, cups_encryption_);
+ http.SetBlocking(blocking_);
dest = cupsGetNamedDest(http.http(), printer_name.c_str(), nullptr);
}
return ScopedDestination(dest);