Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 321 insertions, 0 deletions

diff --git a/security/manager/ssl/LibSecret.cpp b/security/manager/ssl/LibSecret.cpp
new file mode 100644
index 0000000000..4b50c4d0b3
--- /dev/null
+++ b/security/manager/ssl/LibSecret.cpp
@@ -0,0 +1,321 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "LibSecret.h"
+
+#include <gio/gio.h>
+#include <gmodule.h>
+#include <memory>
+
+#include "mozilla/Base64.h"
+#include "mozilla/Logging.h"
+#include "MainThreadUtils.h"
+#include "prlink.h"
+
+// This is the implementation of LibSecret, an instantiation of OSKeyStore for
+// Linux.
+
+using namespace mozilla;
+
+LazyLogModule gLibSecretLog("libsecret");
+
+static PRLibrary* libsecret = nullptr;
+
+typedef struct _SecretService SecretService;
+typedef struct _SecretCollection SecretCollection;
+
+typedef enum {
+  SECRET_SCHEMA_NONE = 0,
+  SECRET_SCHEMA_DONT_MATCH_NAME = 1 << 1
+} SecretSchemaFlags;
+
+typedef enum {
+  SECRET_SCHEMA_ATTRIBUTE_STRING = 0,
+  SECRET_SCHEMA_ATTRIBUTE_INTEGER = 1,
+  SECRET_SCHEMA_ATTRIBUTE_BOOLEAN = 2,
+} SecretSchemaAttributeType;
+
+typedef struct {
+  const gchar* name;
+  SecretSchemaAttributeType type;
+} SecretSchemaAttribute;
+
+typedef struct {
+  const gchar* name;
+  SecretSchemaFlags flags;
+  SecretSchemaAttribute attributes[32];
+
+  /* <private> */
+  gint reserved;
+  gpointer reserved1;
+  gpointer reserved2;
+  gpointer reserved3;
+  gpointer reserved4;
+  gpointer reserved5;
+  gpointer reserved6;
+  gpointer reserved7;
+} SecretSchema;
+
+typedef enum {
+  SECRET_COLLECTION_NONE = 0 << 0,
+  SECRET_COLLECTION_LOAD_ITEMS = 1 << 1,
+} SecretCollectionFlags;
+
+typedef enum {
+  SECRET_SERVICE_NONE = 0,
+  SECRET_SERVICE_OPEN_SESSION = 1 << 1,
+  SECRET_SERVICE_LOAD_COLLECTIONS = 1 << 2,
+} SecretServiceFlags;
+
+typedef enum {
+  SECRET_ERROR_PROTOCOL = 1,
+  SECRET_ERROR_IS_LOCKED = 2,
+  SECRET_ERROR_NO_SUCH_OBJECT = 3,
+  SECRET_ERROR_ALREADY_EXISTS = 4,
+} SecretError;
+
+#define SECRET_COLLECTION_DEFAULT "default"
+
+typedef SecretCollection* (*secret_collection_for_alias_sync_fn)(
+    SecretService*, const gchar*, SecretCollectionFlags, GCancellable*,
+    GError**);
+typedef SecretService* (*secret_service_get_sync_fn)(SecretServiceFlags,
+                                                     GCancellable*, GError**);
+typedef gboolean (*secret_password_clear_sync_fn)(const SecretSchema*,
+                                                  GCancellable*, GError**, ...);
+typedef gchar* (*secret_password_lookup_sync_fn)(const SecretSchema*,
+                                                 GCancellable*, GError**, ...);
+typedef gboolean (*secret_password_store_sync_fn)(const SecretSchema*,
+                                                  const gchar*, const gchar*,
+                                                  const gchar*, GCancellable*,
+                                                  GError**, ...);
+typedef void (*secret_password_free_fn)(const gchar*);
+typedef GQuark (*secret_error_get_quark_fn)();
+
+static secret_collection_for_alias_sync_fn secret_collection_for_alias_sync =
+    nullptr;
+static secret_service_get_sync_fn secret_service_get_sync = nullptr;
+static secret_password_clear_sync_fn secret_password_clear_sync = nullptr;
+static secret_password_lookup_sync_fn secret_password_lookup_sync = nullptr;
+static secret_password_store_sync_fn secret_password_store_sync = nullptr;
+static secret_password_free_fn secret_password_free = nullptr;
+static secret_error_get_quark_fn secret_error_get_quark = nullptr;
+
+nsresult MaybeLoadLibSecret() {
+  MOZ_ASSERT(NS_IsMainThread());
+  if (!NS_IsMainThread()) {
+    return NS_ERROR_NOT_SAME_THREAD;
+  }
+
+  if (!libsecret) {
+    libsecret = PR_LoadLibrary("libsecret-1.so.0");
+    if (!libsecret) {
+      return NS_ERROR_NOT_AVAILABLE;
+    }
+
+// With TSan, we cannot unload libsecret once we have loaded it because
+// TSan does not support unloading libraries that are matched from its
+// suppression list. Hence we just keep the library loaded in TSan builds.
+#ifdef MOZ_TSAN
+#  define UNLOAD_LIBSECRET(x) \
+    do {                      \
+    } while (0)
+#else
+#  define UNLOAD_LIBSECRET(x) PR_UnloadLibrary(x)
+#endif
+
+#define FIND_FUNCTION_SYMBOL(function)                                   \
+  function = (function##_fn)PR_FindFunctionSymbol(libsecret, #function); \
+  if (!(function)) {                                                     \
+    UNLOAD_LIBSECRET(libsecret);                                         \
+    libsecret = nullptr;                                                 \
+    return NS_ERROR_NOT_AVAILABLE;                                       \
+  }
+    FIND_FUNCTION_SYMBOL(secret_collection_for_alias_sync);
+    FIND_FUNCTION_SYMBOL(secret_service_get_sync);
+    FIND_FUNCTION_SYMBOL(secret_password_clear_sync);
+    FIND_FUNCTION_SYMBOL(secret_password_lookup_sync);
+    FIND_FUNCTION_SYMBOL(secret_password_store_sync);
+    FIND_FUNCTION_SYMBOL(secret_password_free);
+    FIND_FUNCTION_SYMBOL(secret_error_get_quark);
+#undef FIND_FUNCTION_SYMBOL
+  }
+
+  return NS_OK;
+}
+
+struct ScopedDelete {
+  void operator()(SecretService* ss) {
+    if (ss) g_object_unref(ss);
+  }
+  void operator()(SecretCollection* sc) {
+    if (sc) g_object_unref(sc);
+  }
+  void operator()(GError* error) {
+    if (error) g_error_free(error);
+  }
+  void operator()(GList* list) {
+    if (list) g_list_free(list);
+  }
+  void operator()(char* val) {
+    if (val) secret_password_free(val);
+  }
+};
+
+template <class T>
+struct ScopedMaybeDelete {
+  void operator()(T* ptr) {
+    if (ptr) {
+      ScopedDelete del;
+      del(ptr);
+    }
+  }
+};
+
+typedef std::unique_ptr<GError, ScopedMaybeDelete<GError>> ScopedGError;
+typedef std::unique_ptr<GList, ScopedMaybeDelete<GList>> ScopedGList;
+typedef std::unique_ptr<char, ScopedMaybeDelete<char>> ScopedPassword;
+typedef std::unique_ptr<SecretCollection, ScopedMaybeDelete<SecretCollection>>
+    ScopedSecretCollection;
+typedef std::unique_ptr<SecretService, ScopedMaybeDelete<SecretService>>
+    ScopedSecretService;
+
+LibSecret::LibSecret() = default;
+
+LibSecret::~LibSecret() {
+  MOZ_ASSERT(NS_IsMainThread());
+  if (!NS_IsMainThread()) {
+    return;
+  }
+  if (libsecret) {
+    secret_collection_for_alias_sync = nullptr;
+    secret_service_get_sync = nullptr;
+    secret_password_clear_sync = nullptr;
+    secret_password_lookup_sync = nullptr;
+    secret_password_store_sync = nullptr;
+    secret_password_free = nullptr;
+    secret_error_get_quark = nullptr;
+    UNLOAD_LIBSECRET(libsecret);
+    libsecret = nullptr;
+  }
+}
+
+static const SecretSchema kSchema = {
+    "mozilla.firefox",
+    SECRET_SCHEMA_NONE,
+    {{"string", SECRET_SCHEMA_ATTRIBUTE_STRING}, /* the label */
+     {"NULL", SECRET_SCHEMA_ATTRIBUTE_STRING}}};
+
+nsresult GetScopedServices(ScopedSecretService& aSs,
+                           ScopedSecretCollection& aSc) {
+  MOZ_ASSERT(secret_service_get_sync && secret_collection_for_alias_sync);
+  if (!secret_service_get_sync || !secret_collection_for_alias_sync) {
+    return NS_ERROR_FAILURE;
+  }
+  GError* raw_error = nullptr;
+  aSs = ScopedSecretService(secret_service_get_sync(
+      static_cast<SecretServiceFlags>(
+          SECRET_SERVICE_OPEN_SESSION),  // SecretServiceFlags
+      nullptr,                           // GCancellable
+      &raw_error));
+  ScopedGError error(raw_error);
+  if (error || !aSs) {
+    MOZ_LOG(gLibSecretLog, LogLevel::Debug, ("Couldn't get a secret service"));
+    return NS_ERROR_FAILURE;
+  }
+
+  aSc = ScopedSecretCollection(secret_collection_for_alias_sync(
+      aSs.get(), "default", static_cast<SecretCollectionFlags>(0),
+      nullptr,  // GCancellable
+      &raw_error));
+  error.reset(raw_error);
+  if (!aSc) {
+    MOZ_LOG(gLibSecretLog, LogLevel::Debug,
+            ("Couldn't get a secret collection"));
+    return NS_ERROR_FAILURE;
+  }
+  return NS_OK;
+}
+
+nsresult LibSecret::StoreSecret(const nsACString& aSecret,
+                                const nsACString& aLabel) {
+  MOZ_ASSERT(secret_password_store_sync);
+  if (!secret_password_store_sync) {
+    return NS_ERROR_FAILURE;
+  }
+  // libsecret expects a null-terminated string, so to be safe we store the
+  // secret (which could be arbitrary bytes) base64-encoded.
+  nsAutoCString base64;
+  nsresult rv = Base64Encode(aSecret, base64);
+  if (NS_FAILED(rv)) {
+    MOZ_LOG(gLibSecretLog, LogLevel::Debug, ("Error base64-encoding secret"));
+    return rv;
+  }
+  GError* raw_error = nullptr;
+  bool stored = secret_password_store_sync(
+      &kSchema, SECRET_COLLECTION_DEFAULT, PromiseFlatCString(aLabel).get(),
+      PromiseFlatCString(base64).get(),
+      nullptr,  // GCancellable
+      &raw_error, "string", PromiseFlatCString(aLabel).get(), nullptr);
+  ScopedGError error(raw_error);
+  if (raw_error) {
+    MOZ_LOG(gLibSecretLog, LogLevel::Debug, ("Error storing secret"));
+    return NS_ERROR_FAILURE;
+  }
+
+  return stored ? NS_OK : NS_ERROR_FAILURE;
+}
+
+nsresult LibSecret::DeleteSecret(const nsACString& aLabel) {
+  MOZ_ASSERT(secret_password_clear_sync && secret_error_get_quark);
+  if (!secret_password_clear_sync || !secret_error_get_quark) {
+    return NS_ERROR_FAILURE;
+  }
+  GError* raw_error = nullptr;
+  Unused << secret_password_clear_sync(
+      &kSchema,
+      nullptr,  // GCancellable
+      &raw_error, "string", PromiseFlatCString(aLabel).get(), nullptr);
+  ScopedGError error(raw_error);
+  if (raw_error && !(raw_error->domain == secret_error_get_quark() &&
+                     raw_error->code == SECRET_ERROR_NO_SUCH_OBJECT)) {
+    MOZ_LOG(gLibSecretLog, LogLevel::Debug, ("Error deleting secret"));
+    return NS_ERROR_FAILURE;
+  }
+
+  return NS_OK;
+}
+
+nsresult LibSecret::RetrieveSecret(const nsACString& aLabel,
+                                   /* out */ nsACString& aSecret) {
+  MOZ_ASSERT(secret_password_lookup_sync && secret_password_free);
+  if (!secret_password_lookup_sync || !secret_password_free) {
+    return NS_ERROR_FAILURE;
+  }
+  GError* raw_error = nullptr;
+  aSecret.Truncate();
+  ScopedPassword s(secret_password_lookup_sync(
+      &kSchema,
+      nullptr,  // GCancellable
+      &raw_error, "string", PromiseFlatCString(aLabel).get(), nullptr));
+  ScopedGError error(raw_error);
+  if (raw_error || !s) {
+    MOZ_LOG(gLibSecretLog, LogLevel::Debug,
+            ("Error retrieving secret or didn't find it"));
+    return NS_ERROR_FAILURE;
+  }
+  // libsecret expects a null-terminated string, so to be safe we store the
+  // secret (which could be arbitrary bytes) base64-encoded, which means we have
+  // to base64-decode it here.
+  nsAutoCString base64Encoded(s.get());
+  nsresult rv = Base64Decode(base64Encoded, aSecret);
+  if (NS_FAILED(rv)) {
+    MOZ_LOG(gLibSecretLog, LogLevel::Debug, ("Error base64-decoding secret"));
+    return rv;
+  }
+
+  return NS_OK;
+}