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SUSE:SLE-15-SP3:GA
glib2.18699
glib2-CVE-2021-27219-add-g_memdup2.patch
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File glib2-CVE-2021-27219-add-g_memdup2.patch of Package glib2.18699
diff --unified --recursive --text --new-file --color glib-2.62.6.old/docs/reference/glib/meson.build glib-2.62.6.new/docs/reference/glib/meson.build --- glib-2.62.6.old/docs/reference/glib/meson.build 2021-03-03 08:49:45.483161256 +0800 +++ glib-2.62.6.new/docs/reference/glib/meson.build 2021-03-03 16:30:35.557438575 +0800 @@ -22,6 +22,7 @@ 'gprintfint.h', 'gmirroringtable.h', 'gscripttable.h', + 'gstrfuncsprivate.h', 'glib-mirroring-tab', 'gnulib', 'pcre', diff --unified --recursive --text --new-file --color glib-2.62.6.old/gio/gdatainputstream.c glib-2.62.6.new/gio/gdatainputstream.c --- glib-2.62.6.old/gio/gdatainputstream.c 2021-03-03 08:49:45.486494589 +0800 +++ glib-2.62.6.new/gio/gdatainputstream.c 2021-03-03 16:35:12.417797856 +0800 @@ -27,6 +27,7 @@ #include "gioenumtypes.h" #include "gioerror.h" #include "glibintl.h" +#include "gstrfuncsprivate.h" #include <string.h> @@ -856,7 +857,7 @@ scan_for_chars (GDataInputStream *stream, gsize *checked_out, const char *stop_chars, - gssize stop_chars_len) + gsize stop_chars_len) { GBufferedInputStream *bstream; const char *buffer; @@ -952,7 +953,7 @@ gsize checked; gchar *stop_chars; - gssize stop_chars_len; + gsize stop_chars_len; gsize length; } GDataInputStreamReadData; @@ -1078,12 +1079,17 @@ { GDataInputStreamReadData *data; GTask *task; + gsize stop_chars_len_unsigned; data = g_slice_new0 (GDataInputStreamReadData); - if (stop_chars_len == -1) - stop_chars_len = strlen (stop_chars); - data->stop_chars = g_memdup (stop_chars, stop_chars_len); - data->stop_chars_len = stop_chars_len; + + if (stop_chars_len < 0) + stop_chars_len_unsigned = strlen (stop_chars); + else + stop_chars_len_unsigned = (gsize) stop_chars_len; + + data->stop_chars = g_memdup2 (stop_chars, stop_chars_len_unsigned); + data->stop_chars_len = stop_chars_len_unsigned; data->last_saw_cr = FALSE; task = g_task_new (stream, cancellable, callback, user_data); @@ -1338,17 +1344,20 @@ gssize found_pos; gssize res; char *data_until; + gsize stop_chars_len_unsigned; g_return_val_if_fail (G_IS_DATA_INPUT_STREAM (stream), NULL); if (stop_chars_len < 0) - stop_chars_len = strlen (stop_chars); + stop_chars_len_unsigned = strlen (stop_chars); + else + stop_chars_len_unsigned = (gsize) stop_chars_len; bstream = G_BUFFERED_INPUT_STREAM (stream); checked = 0; - while ((found_pos = scan_for_chars (stream, &checked, stop_chars, stop_chars_len)) == -1) + while ((found_pos = scan_for_chars (stream, &checked, stop_chars, stop_chars_len_unsigned)) == -1) { if (g_buffered_input_stream_get_available (bstream) == g_buffered_input_stream_get_buffer_size (bstream)) diff --unified --recursive --text --new-file --color glib-2.62.6.old/gio/gdbusconnection.c glib-2.62.6.new/gio/gdbusconnection.c --- glib-2.62.6.old/gio/gdbusconnection.c 2021-03-03 08:49:45.486494589 +0800 +++ glib-2.62.6.new/gio/gdbusconnection.c 2021-03-03 16:30:43.814003313 +0800 @@ -110,6 +110,7 @@ #include "gasyncinitable.h" #include "giostream.h" #include "gasyncresult.h" +#include "gstrfuncsprivate.h" #include "gtask.h" #include "gmarshal-internal.h" @@ -3997,7 +3998,7 @@ /* Don't waste memory by copying padding - remember to update this * when changing struct _GDBusInterfaceVTable in gdbusconnection.h */ - return g_memdup ((gconstpointer) vtable, 3 * sizeof (gpointer)); + return g_memdup2 ((gconstpointer) vtable, 3 * sizeof (gpointer)); } static void @@ -4014,7 +4015,7 @@ /* Don't waste memory by copying padding - remember to update this * when changing struct _GDBusSubtreeVTable in gdbusconnection.h */ - return g_memdup ((gconstpointer) vtable, 3 * sizeof (gpointer)); + return g_memdup2 ((gconstpointer) vtable, 3 * sizeof (gpointer)); } static void diff --unified --recursive --text --new-file --color glib-2.62.6.old/gio/gdbusinterfaceskeleton.c glib-2.62.6.new/gio/gdbusinterfaceskeleton.c --- glib-2.62.6.old/gio/gdbusinterfaceskeleton.c 2021-03-03 08:49:45.486494589 +0800 +++ glib-2.62.6.new/gio/gdbusinterfaceskeleton.c 2021-03-03 16:30:43.814003313 +0800 @@ -28,6 +28,7 @@ #include "gdbusmethodinvocation.h" #include "gdbusconnection.h" #include "gmarshal-internal.h" +#include "gstrfuncsprivate.h" #include "gtask.h" #include "gioerror.h" @@ -701,7 +702,7 @@ * properly before building the hooked_vtable, so we create it * once at the last minute. */ - interface_->priv->hooked_vtable = g_memdup (g_dbus_interface_skeleton_get_vtable (interface_), sizeof (GDBusInterfaceVTable)); + interface_->priv->hooked_vtable = g_memdup2 (g_dbus_interface_skeleton_get_vtable (interface_), sizeof (GDBusInterfaceVTable)); interface_->priv->hooked_vtable->method_call = skeleton_intercept_handle_method_call; } diff --unified --recursive --text --new-file --color glib-2.62.6.old/gio/gfile.c glib-2.62.6.new/gio/gfile.c --- glib-2.62.6.old/gio/gfile.c 2021-03-03 08:49:45.486494589 +0800 +++ glib-2.62.6.new/gio/gfile.c 2021-03-03 16:30:43.814003313 +0800 @@ -60,6 +60,7 @@ #include "gasyncresult.h" #include "gioerror.h" #include "glibintl.h" +#include "gstrfuncsprivate.h" /** @@ -7884,7 +7885,7 @@ g_main_context_invoke_full (g_task_get_context (task), g_task_get_priority (task), measure_disk_usage_invoke_progress, - g_memdup (&progress, sizeof progress), + g_memdup2 (&progress, sizeof progress), g_free); } @@ -7902,7 +7903,7 @@ data->progress_callback ? measure_disk_usage_progress : NULL, task, &result.disk_usage, &result.num_dirs, &result.num_files, &error)) - g_task_return_pointer (task, g_memdup (&result, sizeof result), g_free); + g_task_return_pointer (task, g_memdup2 (&result, sizeof result), g_free); else g_task_return_error (task, error); } @@ -7926,7 +7927,7 @@ task = g_task_new (file, cancellable, callback, user_data); g_task_set_source_tag (task, g_file_real_measure_disk_usage_async); - g_task_set_task_data (task, g_memdup (&data, sizeof data), g_free); + g_task_set_task_data (task, g_memdup2 (&data, sizeof data), g_free); g_task_set_priority (task, io_priority); g_task_run_in_thread (task, measure_disk_usage_thread); diff --unified --recursive --text --new-file --color glib-2.62.6.old/gio/gkeyfilesettingsbackend.c glib-2.62.6.new/gio/gkeyfilesettingsbackend.c --- glib-2.62.6.old/gio/gkeyfilesettingsbackend.c 2021-03-03 08:49:45.489827922 +0800 +++ glib-2.62.6.new/gio/gkeyfilesettingsbackend.c 2021-03-03 16:41:10.538208337 +0800 @@ -33,6 +33,7 @@ #include "gfilemonitor.h" #include "gsimplepermission.h" #include "gsettingsbackendinternal.h" +#include "gstrfuncsprivate.h" #include "giomodule-priv.h" #include "gportalsupport.h" @@ -145,8 +146,8 @@ gchar **group, gchar **basename) { - gint key_len = strlen (key); - gint i; + gsize key_len = strlen (key); + const gchar *last_slash; if (key_len < kfsb->prefix_len || memcmp (key, kfsb->prefix, kfsb->prefix_len) != 0) @@ -155,38 +156,48 @@ key_len -= kfsb->prefix_len; key += kfsb->prefix_len; - for (i = key_len; i >= 0; i--) - if (key[i] == '/') - break; + last_slash = strrchr (key, '/'); + + /* Disallow empty group names or key names */ + if (key_len == 0 || + (last_slash != NULL && + (*(last_slash + 1) == '\0' || + last_slash == key))) + return FALSE; if (kfsb->root_group) { /* if a root_group was specified, make sure the user hasn't given * a path that ghosts that group name */ - if (i == kfsb->root_group_len && memcmp (key, kfsb->root_group, i) == 0) + if (last_slash != NULL && (last_slash - key) == kfsb->root_group_len && memcmp (key, kfsb->root_group, last_slash - key) == 0) return FALSE; } else { /* if no root_group was given, ensure that the user gave a path */ - if (i == -1) + if (last_slash == NULL) return FALSE; } if (group) { - if (i >= 0) + if (last_slash != NULL) { - *group = g_memdup (key, i + 1); - (*group)[i] = '\0'; + *group = g_memdup2 (key, (last_slash - key) + 1); + (*group)[(last_slash - key)] = '\0'; } else *group = g_strdup (kfsb->root_group); } if (basename) - *basename = g_memdup (key + i + 1, key_len - i); + { + if (last_slash != NULL) + *basename = g_memdup2 (last_slash + 1, key_len - (last_slash - key)); + else + *basename = g_strdup (key); + } return TRUE; } diff --unified --recursive --text --new-file --color glib-2.62.6.old/gio/gsettingsschema.c glib-2.62.6.new/gio/gsettingsschema.c --- glib-2.62.6.old/gio/gsettingsschema.c 2021-03-03 08:49:45.493161255 +0800 +++ glib-2.62.6.new/gio/gsettingsschema.c 2021-03-03 16:30:43.817336605 +0800 @@ -20,6 +20,7 @@ #include "gsettingsschema-internal.h" #include "gsettings.h" +#include "gstrfuncsprivate.h" #include "gvdb/gvdb-reader.h" #include "strinfo.c" @@ -1058,9 +1059,9 @@ if (g_str_has_suffix (key, "/")) { - gint length = strlen (key); + gsize length = strlen (key); - strv[j] = g_memdup (key, length); + strv[j] = g_memdup2 (key, length); strv[j][length - 1] = '\0'; j++; } diff --unified --recursive --text --new-file --color glib-2.62.6.old/gio/gsocket.c glib-2.62.6.new/gio/gsocket.c --- glib-2.62.6.old/gio/gsocket.c 2021-03-03 08:49:45.493161255 +0800 +++ glib-2.62.6.new/gio/gsocket.c 2021-03-03 16:35:32.327613237 +0800 @@ -75,6 +75,7 @@ #include "gcredentialsprivate.h" #include "glibintl.h" #include "gioprivate.h" +#include "gstrfuncsprivate.h" #ifdef G_OS_WIN32 /* For Windows XP runtime compatibility, but use the system's if_nametoindex() if available */ @@ -174,7 +175,7 @@ GError **error); static GSocketAddress * -cache_recv_address (GSocket *socket, struct sockaddr *native, int native_len); +cache_recv_address (GSocket *socket, struct sockaddr *native, size_t native_len); static gssize g_socket_receive_message_with_timeout (GSocket *socket, @@ -260,7 +261,7 @@ struct { GSocketAddress *addr; struct sockaddr *native; - gint native_len; + gsize native_len; guint64 last_used; } recv_addr_cache[RECV_ADDR_CACHE_SIZE]; }; @@ -5211,14 +5212,14 @@ } static GSocketAddress * -cache_recv_address (GSocket *socket, struct sockaddr *native, int native_len) +cache_recv_address (GSocket *socket, struct sockaddr *native, size_t native_len) { GSocketAddress *saddr; gint i; guint64 oldest_time = G_MAXUINT64; gint oldest_index = 0; - if (native_len <= 0) + if (native_len == 0) return NULL; saddr = NULL; @@ -5226,7 +5227,7 @@ { GSocketAddress *tmp = socket->priv->recv_addr_cache[i].addr; gpointer tmp_native = socket->priv->recv_addr_cache[i].native; - gint tmp_native_len = socket->priv->recv_addr_cache[i].native_len; + gsize tmp_native_len = socket->priv->recv_addr_cache[i].native_len; if (!tmp) continue; @@ -5256,7 +5257,7 @@ g_free (socket->priv->recv_addr_cache[oldest_index].native); } - socket->priv->recv_addr_cache[oldest_index].native = g_memdup (native, native_len); + socket->priv->recv_addr_cache[oldest_index].native = g_memdup2 (native, native_len); socket->priv->recv_addr_cache[oldest_index].native_len = native_len; socket->priv->recv_addr_cache[oldest_index].addr = g_object_ref (saddr); socket->priv->recv_addr_cache[oldest_index].last_used = g_get_monotonic_time (); @@ -5404,6 +5405,9 @@ /* do it */ while (1) { + /* addrlen has to be of type int because that’s how WSARecvFrom() is defined */ + G_STATIC_ASSERT (sizeof addr <= G_MAXINT); + addrlen = sizeof addr; if (address) result = WSARecvFrom (socket->priv->fd, diff --unified --recursive --text --new-file --color glib-2.62.6.old/gio/gtlspassword.c glib-2.62.6.new/gio/gtlspassword.c --- glib-2.62.6.old/gio/gtlspassword.c 2021-03-03 08:49:45.493161255 +0800 +++ glib-2.62.6.new/gio/gtlspassword.c 2021-03-03 16:39:37.198900994 +0800 @@ -23,6 +23,7 @@ #include "glibintl.h" #include "gioenumtypes.h" +#include "gstrfuncsprivate.h" #include "gtlspassword.h" #include <string.h> @@ -287,9 +288,14 @@ g_return_if_fail (G_IS_TLS_PASSWORD (password)); if (length < 0) - length = strlen ((gchar *)value); + { + /* FIXME: g_tls_password_set_value_full() doesn’t support unsigned gsize */ + gsize length_unsigned = strlen ((gchar *) value); + g_return_if_fail (length_unsigned <= G_MAXSSIZE); + length = (gssize) length_unsigned; + } - g_tls_password_set_value_full (password, g_memdup (value, length), length, g_free); + g_tls_password_set_value_full (password, g_memdup2 (value, (gsize) length), length, g_free); } /** diff --unified --recursive --text --new-file --color glib-2.62.6.old/gio/gwin32appinfo.c glib-2.62.6.new/gio/gwin32appinfo.c --- glib-2.62.6.old/gio/gwin32appinfo.c 2021-03-03 08:49:45.493161255 +0800 +++ glib-2.62.6.new/gio/gwin32appinfo.c 2021-03-03 17:47:04.580196383 +0800 @@ -1,5 +1,5 @@ /* GIO - GLib Input, Output and Streaming Library - * + * * Copyright (C) 2006-2007 Red Hat, Inc. * Copyright (C) 2014 Руслан Ижбулатов * @@ -464,15 +464,34 @@ /* Watch this key */ static GWin32RegistryKey *classes_root_key; +static gsize +g_utf16_len (const gunichar2 *str) +{ + gsize result; + + for (result = 0; str[0] != 0; str++, result++) + ; + + return result; +} + static gunichar2 * -g_wcsdup (const gunichar2 *str, gssize str_size) +g_wcsdup (const gunichar2 *str, gssize str_len) { - if (str_size == -1) - { - str_size = wcslen (str) + 1; - str_size *= sizeof (gunichar2); - } - return g_memdup (str, str_size); + gsize str_len_unsigned; + gsize str_size; + + g_return_val_if_fail (str != NULL, NULL); + + if (str_len < 0) + str_len_unsigned = g_utf16_len (str); + else + str_len_unsigned = (gsize) str_len; + + g_assert (str_len_unsigned <= G_MAXSIZE / sizeof (gunichar2) - 1); + str_size = (str_len_unsigned + 1) * sizeof (gunichar2); + + return g_memdup2 (str, str_size); } #define URL_ASSOCIATIONS L"HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\Shell\\Associations\\UrlAssociations\\" @@ -2103,7 +2122,7 @@ &program_id_folded)) continue; - + handler_rec = g_hash_table_lookup (handlers, program_id_folded); if (handler_rec == NULL) diff --unified --recursive --text --new-file --color glib-2.62.6.old/gio/gwin32registrykey.c glib-2.62.6.new/gio/gwin32registrykey.c --- glib-2.62.6.old/gio/gwin32registrykey.c 2021-03-03 08:49:45.493161255 +0800 +++ glib-2.62.6.new/gio/gwin32registrykey.c 2021-03-03 16:35:19.664396949 +0800 @@ -28,6 +28,8 @@ #include <ntstatus.h> #include <winternl.h> +#include "gstrfuncsprivate.h" + #ifndef _WDMDDK_ typedef enum _KEY_INFORMATION_CLASS { KeyBasicInformation, @@ -125,16 +127,34 @@ G_WIN32_REGISTRY_UPDATED_PATH = 1, } GWin32RegistryKeyUpdateFlag; +static gsize +g_utf16_len (const gunichar2 *str) +{ + gsize result; + + for (result = 0; str[0] != 0; str++, result++) + ; + + return result; +} + static gunichar2 * -g_wcsdup (const gunichar2 *str, - gssize str_size) +g_wcsdup (const gunichar2 *str, gssize str_len) { - if (str_size == -1) - { - str_size = wcslen (str) + 1; - str_size *= sizeof (gunichar2); - } - return g_memdup (str, str_size); + gsize str_len_unsigned; + gsize str_size; + + g_return_val_if_fail (str != NULL, NULL); + + if (str_len < 0) + str_len_unsigned = g_utf16_len (str); + else + str_len_unsigned = (gsize) str_len; + + g_assert (str_len_unsigned <= G_MAXSIZE / sizeof (gunichar2) - 1); + str_size = (str_len_unsigned + 1) * sizeof (gunichar2); + + return g_memdup2 (str, str_size); } /** @@ -247,7 +267,7 @@ new_iter->value_name_size = iter->value_name_size; if (iter->value_data != NULL) - new_iter->value_data = g_memdup (iter->value_data, iter->value_data_size); + new_iter->value_data = g_memdup2 (iter->value_data, iter->value_data_size); new_iter->value_data_size = iter->value_data_size; @@ -268,8 +288,8 @@ new_iter->value_data_expanded_charsize = iter->value_data_expanded_charsize; if (iter->value_data_expanded_u8 != NULL) - new_iter->value_data_expanded_u8 = g_memdup (iter->value_data_expanded_u8, - iter->value_data_expanded_charsize); + new_iter->value_data_expanded_u8 = g_memdup2 (iter->value_data_expanded_u8, + iter->value_data_expanded_charsize); new_iter->value_data_expanded_u8_size = iter->value_data_expanded_charsize; diff --unified --recursive --text --new-file --color glib-2.62.6.old/gio/tests/async-close-output-stream.c glib-2.62.6.new/gio/tests/async-close-output-stream.c --- glib-2.62.6.old/gio/tests/async-close-output-stream.c 2021-03-03 08:49:45.493161255 +0800 +++ glib-2.62.6.new/gio/tests/async-close-output-stream.c 2021-03-03 16:30:43.817336605 +0800 @@ -24,6 +24,8 @@ #include <stdlib.h> #include <string.h> +#include "gstrfuncsprivate.h" + #define DATA_TO_WRITE "Hello world\n" typedef struct @@ -147,9 +149,9 @@ data->expected_size = g_memory_output_stream_get_data_size (G_MEMORY_OUTPUT_STREAM (data->data_stream)); - g_assert_cmpint (data->expected_size, >, 0); + g_assert_cmpuint (data->expected_size, >, 0); - data->expected_output = g_memdup (written, (guint)data->expected_size); + data->expected_output = g_memdup2 (written, data->expected_size); /* then recreate the streams and prepare them for the asynchronous close */ destroy_streams (data); diff --unified --recursive --text --new-file --color glib-2.62.6.old/gio/tests/gdbus-export.c glib-2.62.6.new/gio/tests/gdbus-export.c --- glib-2.62.6.old/gio/tests/gdbus-export.c 2021-03-03 08:49:45.496494586 +0800 +++ glib-2.62.6.new/gio/tests/gdbus-export.c 2021-03-03 16:30:43.817336605 +0800 @@ -23,6 +23,7 @@ #include <string.h> #include "gdbus-tests.h" +#include "gstrfuncsprivate.h" /* all tests rely on a shared mainloop */ static GMainLoop *loop = NULL; @@ -671,7 +672,7 @@ g_assert_not_reached (); } - return g_memdup (interfaces, 2 * sizeof (void *)); + return g_memdup2 (interfaces, 2 * sizeof (void *)); } static const GDBusInterfaceVTable * @@ -727,7 +728,7 @@ { const GDBusInterfaceInfo *interfaces[2] = { &dyna_interface_info, NULL }; - return g_memdup (interfaces, 2 * sizeof (void *)); + return g_memdup2 (interfaces, 2 * sizeof (void *)); } static const GDBusInterfaceVTable * diff --unified --recursive --text --new-file --color glib-2.62.6.old/gio/tests/gsettings.c glib-2.62.6.new/gio/tests/gsettings.c --- glib-2.62.6.old/gio/tests/gsettings.c 2021-03-03 08:49:45.496494586 +0800 +++ glib-2.62.6.new/gio/tests/gsettings.c 2021-03-03 17:18:40.464332950 +0800 @@ -1,4 +1,5 @@ #include <stdlib.h> +#include <errno.h> #include <locale.h> #include <libintl.h> #include <unistd.h> @@ -10,6 +11,38 @@ #include "testenum.h" +/** + * g_assert_no_errno: + * @expr: the expression to check + * + * Debugging macro to check that an expression has a non-negative return value, + * as used by traditional POSIX functions (such as `rmdir()`) to indicate + * success. + * + * If the assertion fails (i.e. the @expr returns a negative value), an error + * message is logged and the testcase is marked as failed. The error message + * will contain the value of `errno` and its human-readable message from + * g_strerror(). + * + * This macro will clear the value of `errno` before executing @expr. + * + * Since: 2.66 + * Backported here as a private macro for testing. + */ +#define g_assert_no_errno(expr) G_STMT_START { \ + int __ret, __errsv; \ + errno = 0; \ + __ret = expr; \ + __errsv = errno; \ + if (__ret < 0) \ + { \ + gchar *__msg; \ + __msg = g_strdup_printf ("assertion failed (" #expr " >= 0): errno %i: %s", __errsv, g_strerror (__errsv)); \ + g_assertion_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, __msg); \ + g_free (__msg); \ + } \ + } G_STMT_END + static const gchar *locale_dir = "."; static gboolean backend_set; @@ -1740,6 +1773,14 @@ (*b) = TRUE; } +typedef struct +{ + const gchar *path; + const gchar *root_group; + const gchar *keyfile_group; + const gchar *root_path; +} KeyfileTestData; + /* * Test that using a keyfile works */ @@ -1834,7 +1875,11 @@ g_free (str); g_settings_set (settings, "farewell", "s", "cheerio"); - + + /* Check that empty keys/groups are not allowed. */ + g_assert_false (g_settings_is_writable (settings, "")); + g_assert_false (g_settings_is_writable (settings, "/")); + /* When executing as root, changing the mode of the keyfile will have * no effect on the writability of the settings. */ @@ -1866,6 +1911,149 @@ g_free (keyfile_path); } +/* + * Test that using a keyfile works with a schema with no path set. + */ +static void +test_keyfile_no_path (Fixture *fixture, + gconstpointer user_data) +{ + const KeyfileTestData *test_data = user_data; + GSettingsBackend *kf_backend; + GSettings *settings; + GKeyFile *keyfile; + gboolean writable; + gchar *key = NULL; + GError *error = NULL; + gchar *keyfile_path = NULL, *store_path = NULL; + + keyfile_path = g_build_filename (fixture->tmp_dir, "keyfile", NULL); + store_path = g_build_filename (keyfile_path, "gsettings.store", NULL); + kf_backend = g_keyfile_settings_backend_new (store_path, test_data->root_path, test_data->root_group); + settings = g_settings_new_with_backend_and_path ("org.gtk.test.no-path", kf_backend, test_data->path); + g_object_unref (kf_backend); + + g_settings_reset (settings, "test-boolean"); + g_assert_true (g_settings_get_boolean (settings, "test-boolean")); + + writable = g_settings_is_writable (settings, "test-boolean"); + g_assert_true (writable); + g_settings_set (settings, "test-boolean", "b", FALSE); + + g_assert_false (g_settings_get_boolean (settings, "test-boolean")); + + g_settings_delay (settings); + g_settings_set (settings, "test-boolean", "b", TRUE); + g_settings_apply (settings); + + keyfile = g_key_file_new (); + g_assert_true (g_key_file_load_from_file (keyfile, store_path, 0, NULL)); + + g_assert_true (g_key_file_get_boolean (keyfile, test_data->keyfile_group, "test-boolean", NULL)); + + g_key_file_free (keyfile); + + g_settings_reset (settings, "test-boolean"); + g_settings_apply (settings); + keyfile = g_key_file_new (); + g_assert_true (g_key_file_load_from_file (keyfile, store_path, 0, NULL)); + + g_assert_false (g_key_file_get_string (keyfile, test_data->keyfile_group, "test-boolean", &error)); + g_assert_error (error, G_KEY_FILE_ERROR, G_KEY_FILE_ERROR_KEY_NOT_FOUND); + g_clear_error (&error); + + /* Check that empty keys/groups are not allowed. */ + g_assert_false (g_settings_is_writable (settings, "")); + g_assert_false (g_settings_is_writable (settings, "/")); + + /* Keys which ghost the root group name are not allowed. This can only be + * tested when the path is `/` as otherwise it acts as a prefix and prevents + * any ghosting. */ + if (g_str_equal (test_data->path, "/")) + { + key = g_strdup_printf ("%s/%s", test_data->root_group, ""); + g_assert_false (g_settings_is_writable (settings, key)); + g_free (key); + + key = g_strdup_printf ("%s/%s", test_data->root_group, "/"); + g_assert_false (g_settings_is_writable (settings, key)); + g_free (key); + + key = g_strdup_printf ("%s/%s", test_data->root_group, "test-boolean"); + g_assert_false (g_settings_is_writable (settings, key)); + g_free (key); + } + + g_key_file_free (keyfile); + g_object_unref (settings); + + /* Clean up the temporary directory. */ + g_assert_no_errno (g_chmod (keyfile_path, 0777)); + g_assert_no_errno (g_remove (store_path)); + g_assert_no_errno (g_rmdir (keyfile_path)); + g_free (store_path); + g_free (keyfile_path); +} + +/* + * Test that a keyfile rejects writes to keys outside its root path. + */ +static void +test_keyfile_outside_root_path (Fixture *fixture, + gconstpointer user_data) +{ + GSettingsBackend *kf_backend; + GSettings *settings; + gchar *keyfile_path = NULL, *store_path = NULL; + + keyfile_path = g_build_filename (fixture->tmp_dir, "keyfile", NULL); + store_path = g_build_filename (keyfile_path, "gsettings.store", NULL); + kf_backend = g_keyfile_settings_backend_new (store_path, "/tests/basic-types/", "root"); + settings = g_settings_new_with_backend_and_path ("org.gtk.test.no-path", kf_backend, "/tests/"); + g_object_unref (kf_backend); + + g_assert_false (g_settings_is_writable (settings, "test-boolean")); + + g_object_unref (settings); + + /* Clean up the temporary directory. The keyfile probably doesn’t exist, so + * don’t error on failure. */ + g_remove (store_path); + g_assert_no_errno (g_rmdir (keyfile_path)); + g_free (store_path); + g_free (keyfile_path); +} + +/* + * Test that a keyfile rejects writes to keys in the root if no root group is set. + */ +static void +test_keyfile_no_root_group (Fixture *fixture, + gconstpointer user_data) +{ + GSettingsBackend *kf_backend; + GSettings *settings; + gchar *keyfile_path = NULL, *store_path = NULL; + + keyfile_path = g_build_filename (fixture->tmp_dir, "keyfile", NULL); + store_path = g_build_filename (keyfile_path, "gsettings.store", NULL); + kf_backend = g_keyfile_settings_backend_new (store_path, "/", NULL); + settings = g_settings_new_with_backend_and_path ("org.gtk.test.no-path", kf_backend, "/"); + g_object_unref (kf_backend); + + g_assert_false (g_settings_is_writable (settings, "test-boolean")); + g_assert_true (g_settings_is_writable (settings, "child/test-boolean")); + + g_object_unref (settings); + + /* Clean up the temporary directory. The keyfile probably doesn’t exist, so + * don’t error on failure. */ + g_remove (store_path); + g_assert_no_errno (g_rmdir (keyfile_path)); + g_free (store_path); + g_free (keyfile_path); +} + /* Test that getting child schemas works */ static void @@ -2844,6 +3032,14 @@ gchar *override_text; gchar *enums; gint result; + const KeyfileTestData keyfile_test_data_explicit_path = { "/tests/", "root", "tests", "/" }; + const KeyfileTestData keyfile_test_data_empty_path = { "/", "root", "root", "/" }; + const KeyfileTestData keyfile_test_data_long_path = { + "/tests/path/is/very/long/and/this/makes/some/comparisons/take/a/different/branch/", + "root", + "tests/path/is/very/long/and/this/makes/some/comparisons/take/a/different/branch", + "/" + }; /* Meson build sets this */ #ifdef TEST_LOCALE_PATH @@ -2967,6 +3163,11 @@ } g_test_add ("/gsettings/keyfile", Fixture, NULL, setup, test_keyfile, teardown); + g_test_add ("/gsettings/keyfile/explicit-path", Fixture, &keyfile_test_data_explicit_path, setup, test_keyfile_no_path, teardown); + g_test_add ("/gsettings/keyfile/empty-path", Fixture, &keyfile_test_data_empty_path, setup, test_keyfile_no_path, teardown); + g_test_add ("/gsettings/keyfile/long-path", Fixture, &keyfile_test_data_long_path, setup, test_keyfile_no_path, teardown); + g_test_add ("/gsettings/keyfile/outside-root-path", Fixture, NULL, setup, test_keyfile_outside_root_path, teardown); + g_test_add ("/gsettings/keyfile/no-root-group", Fixture, NULL, setup, test_keyfile_no_root_group, teardown); g_test_add_func ("/gsettings/child-schema", test_child_schema); g_test_add_func ("/gsettings/strinfo", test_strinfo); g_test_add_func ("/gsettings/enums", test_enums); diff --unified --recursive --text --new-file --color glib-2.62.6.old/gio/tests/tls-interaction.c glib-2.62.6.new/gio/tests/tls-interaction.c --- glib-2.62.6.old/gio/tests/tls-interaction.c 2021-03-03 08:49:45.499827919 +0800 +++ glib-2.62.6.new/gio/tests/tls-interaction.c 2021-03-03 16:39:42.345528415 +0800 @@ -174,6 +174,38 @@ } +/* Return a copy of @str that is allocated in a silly way, to exercise + * custom free-functions. The returned pointer points to a copy of @str + * in a buffer of the form "BEFORE \0 str \0 AFTER". */ +static guchar * +special_dup (const char *str) +{ + GString *buf = g_string_new ("BEFORE"); + guchar *ret; + + g_string_append_c (buf, '\0'); + g_string_append (buf, str); + g_string_append_c (buf, '\0'); + g_string_append (buf, "AFTER"); + ret = (guchar *) g_string_free (buf, FALSE); + return ret + strlen ("BEFORE") + 1; +} + + +/* Free a copy of @str that was made with special_dup(), after asserting + * that it has not been corrupted. */ +static void +special_free (gpointer p) +{ + gchar *s = p; + gchar *buf = s - strlen ("BEFORE") - 1; + + g_assert_cmpstr (buf, ==, "BEFORE"); + g_assert_cmpstr (s + strlen (s) + 1, ==, "AFTER"); + g_free (buf); +} + + static GTlsInteractionResult test_interaction_ask_password_sync_success (GTlsInteraction *interaction, GTlsPassword *password, @@ -181,6 +213,8 @@ GError **error) { TestInteraction *self; + const guchar *value; + gsize len; g_assert (TEST_IS_INTERACTION (interaction)); self = TEST_INTERACTION (interaction); @@ -192,6 +226,27 @@ g_assert (error != NULL); g_assert (*error == NULL); + /* Exercise different ways to set the value */ + g_tls_password_set_value (password, (const guchar *) "foo", 4); + len = 0; + value = g_tls_password_get_value (password, &len); + g_assert_cmpmem (value, len, "foo", 4); + + g_tls_password_set_value (password, (const guchar *) "bar", -1); + len = 0; + value = g_tls_password_get_value (password, &len); + g_assert_cmpmem (value, len, "bar", 3); + + g_tls_password_set_value_full (password, special_dup ("baa"), 4, special_free); + len = 0; + value = g_tls_password_get_value (password, &len); + g_assert_cmpmem (value, len, "baa", 4); + + g_tls_password_set_value_full (password, special_dup ("baz"), -1, special_free); + len = 0; + value = g_tls_password_get_value (password, &len); + g_assert_cmpmem (value, len, "baz", 3); + /* Don't do this in real life. Include a null terminator for testing */ g_tls_password_set_value (password, (const guchar *)"the password", 13); return G_TLS_INTERACTION_HANDLED; diff --unified --recursive --text --new-file --color glib-2.62.6.old/gio/win32/gwinhttpfile.c glib-2.62.6.new/gio/win32/gwinhttpfile.c --- glib-2.62.6.old/gio/win32/gwinhttpfile.c 2021-03-03 08:49:45.499827919 +0800 +++ glib-2.62.6.new/gio/win32/gwinhttpfile.c 2021-03-03 16:35:06.734517818 +0800 @@ -29,6 +29,7 @@ #include "gio/gfile.h" #include "gio/gfileattribute.h" #include "gio/gfileinfo.h" +#include "gstrfuncsprivate.h" #include "gwinhttpfile.h" #include "gwinhttpfileinputstream.h" #include "gwinhttpfileoutputstream.h" @@ -393,10 +394,10 @@ child = g_object_new (G_TYPE_WINHTTP_FILE, NULL); child->vfs = winhttp_file->vfs; child->url = winhttp_file->url; - child->url.lpszScheme = g_memdup (winhttp_file->url.lpszScheme, (winhttp_file->url.dwSchemeLength+1)*2); - child->url.lpszHostName = g_memdup (winhttp_file->url.lpszHostName, (winhttp_file->url.dwHostNameLength+1)*2); - child->url.lpszUserName = g_memdup (winhttp_file->url.lpszUserName, (winhttp_file->url.dwUserNameLength+1)*2); - child->url.lpszPassword = g_memdup (winhttp_file->url.lpszPassword, (winhttp_file->url.dwPasswordLength+1)*2); + child->url.lpszScheme = g_memdup2 (winhttp_file->url.lpszScheme, ((gsize) winhttp_file->url.dwSchemeLength + 1) * 2); + child->url.lpszHostName = g_memdup2 (winhttp_file->url.lpszHostName, ((gsize) winhttp_file->url.dwHostNameLength + 1) * 2); + child->url.lpszUserName = g_memdup2 (winhttp_file->url.lpszUserName, ((gsize) winhttp_file->url.dwUserNameLength + 1) * 2); + child->url.lpszPassword = g_memdup2 (winhttp_file->url.lpszPassword, ((gsize) winhttp_file->url.dwPasswordLength + 1) * 2); child->url.lpszUrlPath = wnew_path; child->url.dwUrlPathLength = wcslen (wnew_path); child->url.lpszExtraInfo = NULL; diff --unified --recursive --text --new-file --color glib-2.62.6.old/glib/gbytes.c glib-2.62.6.new/glib/gbytes.c --- glib-2.62.6.old/glib/gbytes.c 2021-03-03 08:49:45.499827919 +0800 +++ glib-2.62.6.new/glib/gbytes.c 2021-03-03 16:32:33.262736897 +0800 @@ -34,6 +34,8 @@ #include <string.h> +#include "gstrfuncsprivate.h" + /** * GBytes: * @@ -95,7 +97,7 @@ { g_return_val_if_fail (data != NULL || size == 0, NULL); - return g_bytes_new_take (g_memdup (data, size), size); + return g_bytes_new_take (g_memdup2 (data, size), size); } /** @@ -499,7 +501,7 @@ * Copy: Non g_malloc (or compatible) allocator, or static memory, * so we have to copy, and then unref. */ - result = g_memdup (bytes->data, bytes->size); + result = g_memdup2 (bytes->data, bytes->size); *size = bytes->size; g_bytes_unref (bytes); } diff --unified --recursive --text --new-file --color glib-2.62.6.old/glib/gdir.c glib-2.62.6.new/glib/gdir.c --- glib-2.62.6.old/glib/gdir.c 2021-03-03 08:49:45.499827919 +0800 +++ glib-2.62.6.new/glib/gdir.c 2021-03-03 16:32:33.262736897 +0800 @@ -37,6 +37,7 @@ #include "gconvert.h" #include "gfileutils.h" #include "gstrfuncs.h" +#include "gstrfuncsprivate.h" #include "gtestutils.h" #include "glibintl.h" @@ -112,7 +113,7 @@ return NULL; #endif - return g_memdup (&dir, sizeof dir); + return g_memdup2 (&dir, sizeof dir); } /** diff --unified --recursive --text --new-file --color glib-2.62.6.old/glib/ghash.c glib-2.62.6.new/glib/ghash.c --- glib-2.62.6.old/glib/ghash.c 2021-03-03 08:49:45.499827919 +0800 +++ glib-2.62.6.new/glib/ghash.c 2021-03-03 16:32:33.262736897 +0800 @@ -34,6 +34,7 @@ #include "gmacros.h" #include "glib-private.h" #include "gstrfuncs.h" +#include "gstrfuncsprivate.h" #include "gatomic.h" #include "gtestutils.h" #include "gslice.h" @@ -964,7 +965,7 @@ if (hash_table->have_big_keys) { if (key != value) - hash_table->values = g_memdup (hash_table->keys, sizeof (gpointer) * hash_table->size); + hash_table->values = g_memdup2 (hash_table->keys, sizeof (gpointer) * hash_table->size); /* Keys and values are both big now, so no need for further checks */ return; } @@ -972,7 +973,7 @@ { if (key != value) { - hash_table->values = g_memdup (hash_table->keys, sizeof (guint) * hash_table->size); + hash_table->values = g_memdup2 (hash_table->keys, sizeof (guint) * hash_table->size); is_a_set = FALSE; } } @@ -1000,7 +1001,7 @@ /* Just split if necessary */ if (is_a_set && key != value) - hash_table->values = g_memdup (hash_table->keys, sizeof (gpointer) * hash_table->size); + hash_table->values = g_memdup2 (hash_table->keys, sizeof (gpointer) * hash_table->size); #endif } diff --unified --recursive --text --new-file --color glib-2.62.6.old/glib/giochannel.c glib-2.62.6.new/glib/giochannel.c --- glib-2.62.6.old/glib/giochannel.c 2021-03-03 08:49:45.503161252 +0800 +++ glib-2.62.6.new/glib/giochannel.c 2021-03-03 16:39:15.155737252 +0800 @@ -22,10 +22,10 @@ * Modified by the GLib Team and others 1997-2000. See the AUTHORS * file for a list of people on the GLib Team. See the ChangeLog * files for a list of changes. These files are distributed with - * GLib at ftp://ftp.gtk.org/pub/gtk/. + * GLib at ftp://ftp.gtk.org/pub/gtk/. */ -/* +/* * MT safe */ @@ -37,6 +37,7 @@ #include "giochannel.h" #include "gstrfuncs.h" +#include "gstrfuncsprivate.h" #include "gtestutils.h" #include "glibintl.h" @@ -176,10 +177,10 @@ * g_io_channel_init: * @channel: a #GIOChannel * - * Initializes a #GIOChannel struct. + * Initializes a #GIOChannel struct. * - * This is called by each of the above functions when creating a - * #GIOChannel, and so is not often needed by the application + * This is called by each of the above functions when creating a + * #GIOChannel, and so is not often needed by the application * programmer (unless you are creating a new type of #GIOChannel). */ void @@ -225,7 +226,7 @@ * * Decrements the reference count of a #GIOChannel. */ -void +void g_io_channel_unref (GIOChannel *channel) { gboolean is_zero; @@ -269,7 +270,7 @@ return G_IO_ERROR_AGAIN; case G_IO_STATUS_ERROR: g_return_val_if_fail (err != NULL, G_IO_ERROR_UNKNOWN); - + if (err->domain != G_IO_CHANNEL_ERROR) return G_IO_ERROR_UNKNOWN; switch (err->code) @@ -287,20 +288,20 @@ /** * g_io_channel_read: * @channel: a #GIOChannel - * @buf: a buffer to read the data into (which should be at least + * @buf: a buffer to read the data into (which should be at least * count bytes long) * @count: the number of bytes to read from the #GIOChannel * @bytes_read: returns the number of bytes actually read - * - * Reads data from a #GIOChannel. - * - * Returns: %G_IO_ERROR_NONE if the operation was successful. + * + * Reads data from a #GIOChannel. + * + * Returns: %G_IO_ERROR_NONE if the operation was successful. * * Deprecated:2.2: Use g_io_channel_read_chars() instead. **/ -GIOError -g_io_channel_read (GIOChannel *channel, - gchar *buf, +GIOError +g_io_channel_read (GIOChannel *channel, + gchar *buf, gsize count, gsize *bytes_read) { @@ -336,16 +337,16 @@ * @buf: the buffer containing the data to write * @count: the number of bytes to write * @bytes_written: the number of bytes actually written - * - * Writes data to a #GIOChannel. - * + * + * Writes data to a #GIOChannel. + * * Returns: %G_IO_ERROR_NONE if the operation was successful. * * Deprecated:2.2: Use g_io_channel_write_chars() instead. **/ -GIOError -g_io_channel_write (GIOChannel *channel, - const gchar *buf, +GIOError +g_io_channel_write (GIOChannel *channel, + const gchar *buf, gsize count, gsize *bytes_written) { @@ -369,22 +370,22 @@ /** * g_io_channel_seek: * @channel: a #GIOChannel - * @offset: an offset, in bytes, which is added to the position specified + * @offset: an offset, in bytes, which is added to the position specified * by @type * @type: the position in the file, which can be %G_SEEK_CUR (the current - * position), %G_SEEK_SET (the start of the file), or %G_SEEK_END + * position), %G_SEEK_SET (the start of the file), or %G_SEEK_END * (the end of the file) - * - * Sets the current position in the #GIOChannel, similar to the standard - * library function fseek(). - * + * + * Sets the current position in the #GIOChannel, similar to the standard + * library function fseek(). + * * Returns: %G_IO_ERROR_NONE if the operation was successful. * * Deprecated:2.2: Use g_io_channel_seek_position() instead. **/ -GIOError +GIOError g_io_channel_seek (GIOChannel *channel, - gint64 offset, + gint64 offset, GSeekType type) { GError *err = NULL; @@ -438,10 +439,10 @@ /** * g_io_channel_close: * @channel: A #GIOChannel - * + * * Close an IO channel. Any pending data to be written will be * flushed, ignoring errors. The channel will not be freed until the - * last reference is dropped using g_io_channel_unref(). + * last reference is dropped using g_io_channel_unref(). * * Deprecated:2.2: Use g_io_channel_shutdown() instead. **/ @@ -449,7 +450,7 @@ g_io_channel_close (GIOChannel *channel) { GError *err = NULL; - + g_return_if_fail (channel != NULL); g_io_channel_purge (channel); @@ -461,7 +462,7 @@ g_warning ("Error closing channel: %s", err->message); g_error_free (err); } - + channel->close_on_unref = FALSE; /* Because we already did */ channel->is_readable = FALSE; channel->is_writeable = FALSE; @@ -473,7 +474,7 @@ * @channel: a #GIOChannel * @flush: if %TRUE, flush pending * @err: location to store a #GIOChannelError - * + * * Close an IO channel. Any pending data to be written will be * flushed if @flush is %TRUE. The channel will not be freed until the * last reference is dropped using g_io_channel_unref(). @@ -487,7 +488,7 @@ { GIOStatus status, result; GError *tmperr = NULL; - + g_return_val_if_fail (channel != NULL, G_IO_STATUS_ERROR); g_return_val_if_fail (err == NULL || *err == NULL, G_IO_STATUS_ERROR); @@ -496,7 +497,7 @@ if (flush) { GIOFlags flags; - + /* Set the channel to blocking, to avoid a busy loop */ flags = g_io_channel_get_flags (channel); @@ -592,12 +593,12 @@ * @channel: a #GIOChannel to watch * @condition: conditions to watch for * - * Creates a #GSource that's dispatched when @condition is met for the - * given @channel. For example, if condition is #G_IO_IN, the source will + * Creates a #GSource that's dispatched when @condition is met for the + * given @channel. For example, if condition is #G_IO_IN, the source will * be dispatched when there's data available for reading. * - * g_io_add_watch() is a simpler interface to this same functionality, for - * the case where you want to add the source to the default main loop context + * g_io_add_watch() is a simpler interface to this same functionality, for + * the case where you want to add the source to the default main loop context * at the default priority. * * On Windows, polling a #GSource created to watch a channel for a socket @@ -633,7 +634,7 @@ * * Returns: the event source id */ -guint +guint g_io_add_watch_full (GIOChannel *channel, gint priority, GIOCondition condition, @@ -643,7 +644,7 @@ { GSource *source; guint id; - + g_return_val_if_fail (channel != NULL, 0); source = g_io_create_watch (channel, condition); @@ -696,7 +697,7 @@ * A bitwise combination representing a condition to watch for on an * event source. **/ -guint +guint g_io_add_watch (GIOChannel *channel, GIOCondition condition, GIOFunc func, @@ -710,7 +711,7 @@ * @channel: A #GIOChannel * * This function returns a #GIOCondition depending on whether there - * is data to be read/space to write data in the internal buffers in + * is data to be read/space to write data in the internal buffers in * the #GIOChannel. Only the flags %G_IO_IN and %G_IO_OUT may be set. * * Returns: A #GIOCondition @@ -743,7 +744,7 @@ * * Converts an `errno` error number to a #GIOChannelError. * - * Returns: a #GIOChannelError error number, e.g. + * Returns: a #GIOChannelError error number, e.g. * %G_IO_CHANNEL_ERROR_INVAL. **/ GIOChannelError @@ -832,7 +833,7 @@ * @size: the size of the buffer, or 0 to let GLib pick a good size * * Sets the buffer size. - **/ + **/ void g_io_channel_set_buffer_size (GIOChannel *channel, gsize size) @@ -855,7 +856,7 @@ * Gets the buffer size. * * Returns: the size of the buffer. - **/ + **/ gsize g_io_channel_get_buffer_size (GIOChannel *channel) { @@ -883,17 +884,26 @@ const gchar *line_term, gint length) { + guint length_unsigned; + g_return_if_fail (channel != NULL); g_return_if_fail (line_term == NULL || length != 0); /* Disallow "" */ if (line_term == NULL) - length = 0; - else if (length < 0) - length = strlen (line_term); + length_unsigned = 0; + else if (length >= 0) + length_unsigned = (guint) length; + else + { + /* FIXME: We’re constrained by line_term_len being a guint here */ + gsize length_size = strlen (line_term); + g_return_if_fail (length_size <= G_MAXUINT); + length_unsigned = (guint) length_size; + } g_free (channel->line_term); - channel->line_term = line_term ? g_memdup (line_term, length) : NULL; - channel->line_term_len = length; + channel->line_term = line_term ? g_memdup2 (line_term, length_unsigned) : NULL; + channel->line_term_len = length_unsigned; } /** @@ -928,7 +938,7 @@ * * Sets the (writeable) flags in @channel to (@flags & %G_IO_FLAG_SET_MASK). * - * Returns: the status of the operation. + * Returns: the status of the operation. **/ /** * GIOFlags: @@ -1252,7 +1262,7 @@ * * Returns whether @channel is buffered. * - * Return Value: %TRUE if the @channel is buffered. + * Return Value: %TRUE if the @channel is buffered. **/ gboolean g_io_channel_get_buffered (GIOChannel *channel) @@ -1268,15 +1278,15 @@ * @encoding: (nullable): the encoding type * @error: location to store an error of type #GConvertError * - * Sets the encoding for the input/output of the channel. - * The internal encoding is always UTF-8. The default encoding + * Sets the encoding for the input/output of the channel. + * The internal encoding is always UTF-8. The default encoding * for the external file is UTF-8. * * The encoding %NULL is safe to use with binary data. * * The encoding can only be set if one of the following conditions * is true: - * + * * - The channel was just created, and has not been written to or read from yet. * * - The channel is write-only. @@ -1289,18 +1299,18 @@ * * - One of the (new API) read functions has just returned %G_IO_STATUS_EOF * (or, in the case of g_io_channel_read_to_end(), %G_IO_STATUS_NORMAL). - * - * - One of the functions g_io_channel_read_chars() or - * g_io_channel_read_unichar() has returned %G_IO_STATUS_AGAIN or - * %G_IO_STATUS_ERROR. This may be useful in the case of + * + * - One of the functions g_io_channel_read_chars() or + * g_io_channel_read_unichar() has returned %G_IO_STATUS_AGAIN or + * %G_IO_STATUS_ERROR. This may be useful in the case of * %G_CONVERT_ERROR_ILLEGAL_SEQUENCE. * Returning one of these statuses from g_io_channel_read_line(), * g_io_channel_read_line_string(), or g_io_channel_read_to_end() * does not guarantee that the encoding can be changed. * * Channels which do not meet one of the above conditions cannot call - * g_io_channel_seek_position() with an offset of %G_SEEK_CUR, and, if - * they are "seekable", cannot call g_io_channel_write_chars() after + * g_io_channel_seek_position() with an offset of %G_SEEK_CUR, and, if + * they are "seekable", cannot call g_io_channel_write_chars() after * calling one of the API "read" functions. * * Return Value: %G_IO_STATUS_NORMAL if the encoding was successfully set @@ -1437,8 +1447,8 @@ * g_io_channel_get_encoding: * @channel: a #GIOChannel * - * Gets the encoding for the input/output of the channel. - * The internal encoding is always UTF-8. The encoding %NULL + * Gets the encoding for the input/output of the channel. + * The internal encoding is always UTF-8. The encoding %NULL * makes the channel safe for binary data. * * Returns: A string containing the encoding, this string is @@ -1629,7 +1639,7 @@ * @channel: a #GIOChannel * @str_return: (out): The line read from the #GIOChannel, including the * line terminator. This data should be freed with g_free() - * when no longer needed. This is a nul-terminated string. + * when no longer needed. This is a nul-terminated string. * If a @length of zero is returned, this will be %NULL instead. * @length: (out) (optional): location to store length of the read data, or %NULL * @terminator_pos: (out) (optional): location to store position of line terminator, or %NULL @@ -1652,7 +1662,7 @@ { GIOStatus status; gsize got_length; - + g_return_val_if_fail (channel != NULL, G_IO_STATUS_ERROR); g_return_val_if_fail (str_return != NULL, G_IO_STATUS_ERROR); g_return_val_if_fail ((error == NULL) || (*error == NULL), @@ -1672,7 +1682,7 @@ } else *str_return = NULL; - + return status; } @@ -1902,7 +1912,7 @@ * * Reads all the remaining data from the file. * - * Returns: %G_IO_STATUS_NORMAL on success. + * Returns: %G_IO_STATUS_NORMAL on success. * This function never returns %G_IO_STATUS_EOF. **/ GIOStatus @@ -1912,7 +1922,7 @@ GError **error) { GIOStatus status; - + g_return_val_if_fail (channel != NULL, G_IO_STATUS_ERROR); g_return_val_if_fail ((error == NULL) || (*error == NULL), G_IO_STATUS_ERROR); @@ -2208,10 +2218,10 @@ if (!channel->use_buffer) { gsize tmp_bytes; - + g_assert (!channel->write_buf || channel->write_buf->len == 0); g_assert (channel->partial_write_buf[0] == '\0'); - + status = channel->funcs->io_write (channel, buf, count_unsigned, &tmp_bytes, error); diff --unified --recursive --text --new-file --color glib-2.62.6.old/glib/gslice.c glib-2.62.6.new/glib/gslice.c --- glib-2.62.6.old/glib/gslice.c 2021-03-03 08:49:45.503161252 +0800 +++ glib-2.62.6.new/glib/gslice.c 2021-03-03 16:32:33.262736897 +0800 @@ -41,6 +41,7 @@ #include "gmain.h" #include "gmem.h" /* gslice.h */ #include "gstrfuncs.h" +#include "gstrfuncsprivate.h" #include "gutils.h" #include "gtrashstack.h" #include "gtestutils.h" @@ -350,7 +351,7 @@ array[i++] = allocator->contention_counters[address]; array[i++] = allocator_get_magazine_threshold (allocator, address); *n_values = i; - return g_memdup (array, sizeof (array[0]) * *n_values); + return g_memdup2 (array, sizeof (array[0]) * *n_values); default: return NULL; } diff --unified --recursive --text --new-file --color glib-2.62.6.old/glib/gstrfuncsprivate.h glib-2.62.6.new/glib/gstrfuncsprivate.h --- glib-2.62.6.old/glib/gstrfuncsprivate.h 1970-01-01 08:00:00.000000000 +0800 +++ glib-2.62.6.new/glib/gstrfuncsprivate.h 2021-03-03 16:29:56.861262840 +0800 @@ -0,0 +1,55 @@ +/* GLIB - Library of useful routines for C programming + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see <http://www.gnu.org/licenses/>. + */ + +#include <glib.h> +#include <string.h> + +/* + * g_memdup2: + * @mem: (nullable): the memory to copy. + * @byte_size: the number of bytes to copy. + * + * Allocates @byte_size bytes of memory, and copies @byte_size bytes into it + * from @mem. If @mem is %NULL it returns %NULL. + * + * This replaces g_memdup(), which was prone to integer overflows when + * converting the argument from a #gsize to a #guint. + * + * This static inline version is a backport of the new public API from + * GLib 2.68, kept internal to GLib for backport to older stable releases. + * See https://gitlab.gnome.org/GNOME/glib/-/issues/2319. + * + * Returns: (nullable): a pointer to the newly-allocated copy of the memory, + * or %NULL if @mem is %NULL. + * Since: 2.68 + */ +static inline gpointer +g_memdup2 (gconstpointer mem, + gsize byte_size) +{ + gpointer new_mem; + + if (mem && byte_size != 0) + { + new_mem = g_malloc (byte_size); + memcpy (new_mem, mem, byte_size); + } + else + new_mem = NULL; + + return new_mem; +} diff --unified --recursive --text --new-file --color glib-2.62.6.old/glib/gtestutils.c glib-2.62.6.new/glib/gtestutils.c --- glib-2.62.6.old/glib/gtestutils.c 2021-03-03 08:49:45.503161252 +0800 +++ glib-2.62.6.new/glib/gtestutils.c 2021-03-03 16:32:33.266070197 +0800 @@ -49,6 +49,7 @@ #include "gpattern.h" #include "grand.h" #include "gstrfuncs.h" +#include "gstrfuncsprivate.h" #include "gtimer.h" #include "gslice.h" #include "gspawn.h" @@ -3798,7 +3799,7 @@ if (p <= tbuffer->data->str + mlength) { g_string_erase (tbuffer->data, 0, mlength); - tbuffer->msgs = g_slist_prepend (tbuffer->msgs, g_memdup (&msg, sizeof (msg))); + tbuffer->msgs = g_slist_prepend (tbuffer->msgs, g_memdup2 (&msg, sizeof (msg))); return TRUE; } diff --unified --recursive --text --new-file --color glib-2.62.6.old/glib/gvariant.c glib-2.62.6.new/glib/gvariant.c --- glib-2.62.6.old/glib/gvariant.c 2021-03-03 08:49:45.506494584 +0800 +++ glib-2.62.6.new/glib/gvariant.c 2021-03-03 16:32:33.266070197 +0800 @@ -33,6 +33,7 @@ #include <string.h> +#include "gstrfuncsprivate.h" /** * SECTION:gvariant @@ -725,7 +726,7 @@ g_variant_ref_sink (value); return g_variant_new_from_children (G_VARIANT_TYPE_VARIANT, - g_memdup (&value, sizeof value), + g_memdup2 (&value, sizeof value), 1, g_variant_is_trusted (value)); } @@ -1229,7 +1230,7 @@ return NULL; } - data = g_memdup (elements, n_elements * element_size); + data = g_memdup2 (elements, n_elements * element_size); value = g_variant_new_from_data (array_type, data, n_elements * element_size, FALSE, g_free, data); @@ -1908,7 +1909,7 @@ if (length) *length = size; - return g_memdup (original, size + 1); + return g_memdup2 (original, size + 1); } /** diff --unified --recursive --text --new-file --color glib-2.62.6.old/glib/gvarianttype.c glib-2.62.6.new/glib/gvarianttype.c --- glib-2.62.6.old/glib/gvarianttype.c 2021-03-03 08:49:45.506494584 +0800 +++ glib-2.62.6.new/glib/gvarianttype.c 2021-03-03 16:32:33.266070197 +0800 @@ -28,6 +28,7 @@ #include <string.h> +#include "gstrfuncsprivate.h" /** * SECTION:gvarianttype @@ -1181,7 +1182,7 @@ g_assert (offset < sizeof buffer); buffer[offset++] = ')'; - return (GVariantType *) g_memdup (buffer, offset); + return (GVariantType *) g_memdup2 (buffer, offset); } /** diff --unified --recursive --text --new-file --color glib-2.62.6.old/glib/meson.build glib-2.62.6.new/glib/meson.build --- glib-2.62.6.old/glib/meson.build 2021-03-03 08:49:45.506494584 +0800 +++ glib-2.62.6.new/glib/meson.build 2021-03-03 16:29:56.864596132 +0800 @@ -268,6 +268,7 @@ 'gslist.c', 'gstdio.c', 'gstrfuncs.c', + 'gstrfuncsprivate.h', 'gstring.c', 'gstringchunk.c', 'gtestutils.c', diff --unified --recursive --text --new-file --color glib-2.62.6.old/glib/tests/array-test.c glib-2.62.6.new/glib/tests/array-test.c --- glib-2.62.6.old/glib/tests/array-test.c 2021-03-03 08:49:45.506494584 +0800 +++ glib-2.62.6.new/glib/tests/array-test.c 2021-03-03 16:32:33.266070197 +0800 @@ -29,6 +29,8 @@ #include <string.h> #include "glib.h" +#include "gstrfuncsprivate.h" + /* Test data to be passed to any function which calls g_array_new(), providing * the parameters for that call. Most #GArray tests should be repeated for all * possible values of #ArrayTestData. */ @@ -1642,7 +1644,7 @@ GByteArray *gbarray; guint8 *data; - data = g_memdup ("woooweeewow", 11); + data = g_memdup2 ("woooweeewow", 11); gbarray = g_byte_array_new_take (data, 11); g_assert (gbarray->data == data); g_assert_cmpuint (gbarray->len, ==, 11); diff --unified --recursive --text --new-file --color glib-2.62.6.old/glib/tests/option-context.c glib-2.62.6.new/glib/tests/option-context.c --- glib-2.62.6.old/glib/tests/option-context.c 2021-03-03 08:49:45.523161247 +0800 +++ glib-2.62.6.new/glib/tests/option-context.c 2021-03-03 16:32:33.266070197 +0800 @@ -27,6 +27,8 @@ #include <string.h> #include <locale.h> +#include "gstrfuncsprivate.h" + static GOptionEntry main_entries[] = { { "main-switch", 0, 0, G_OPTION_ARG_NONE, NULL, @@ -256,7 +258,7 @@ static char ** copy_stringv (char **argv, int argc) { - return g_memdup (argv, sizeof (char *) * (argc + 1)); + return g_memdup2 (argv, sizeof (char *) * (argc + 1)); } static void @@ -2323,7 +2325,7 @@ g_option_context_add_group (context, group); argv = split_string ("program --test arg1 -f arg2 --group-test arg3 --frob arg4 -z arg5", &argc); - orig_argv = g_memdup (argv, (argc + 1) * sizeof (char *)); + orig_argv = g_memdup2 (argv, (argc + 1) * sizeof (char *)); retval = g_option_context_parse (context, &argc, &argv, &error); diff --unified --recursive --text --new-file --color glib-2.62.6.old/glib/tests/strfuncs.c glib-2.62.6.new/glib/tests/strfuncs.c --- glib-2.62.6.old/glib/tests/strfuncs.c 2021-03-03 08:49:45.529827914 +0800 +++ glib-2.62.6.new/glib/tests/strfuncs.c 2021-03-03 16:29:56.864596132 +0800 @@ -32,6 +32,8 @@ #include <string.h> #include "glib.h" +#include "gstrfuncsprivate.h" + #if defined (_MSC_VER) && (_MSC_VER <= 1800) #define isnan(x) _isnan(x) @@ -219,6 +221,26 @@ g_free (str_dup); } +/* Testing g_memdup2() function with various positive and negative cases */ +static void +test_memdup2 (void) +{ + gchar *str_dup = NULL; + const gchar *str = "The quick brown fox jumps over the lazy dog"; + + /* Testing negative cases */ + g_assert_null (g_memdup2 (NULL, 1024)); + g_assert_null (g_memdup2 (str, 0)); + g_assert_null (g_memdup2 (NULL, 0)); + + /* Testing normal usage cases */ + str_dup = g_memdup2 (str, strlen (str) + 1); + g_assert_nonnull (str_dup); + g_assert_cmpstr (str, ==, str_dup); + + g_free (str_dup); +} + /* Testing g_strpcpy() function with various positive and negative cases */ static void test_stpcpy (void) @@ -2523,6 +2545,7 @@ g_test_add_func ("/strfuncs/has-prefix", test_has_prefix); g_test_add_func ("/strfuncs/has-suffix", test_has_suffix); g_test_add_func ("/strfuncs/memdup", test_memdup); + g_test_add_func ("/strfuncs/memdup2", test_memdup2); g_test_add_func ("/strfuncs/stpcpy", test_stpcpy); g_test_add_func ("/strfuncs/str_match_string", test_str_match_string); g_test_add_func ("/strfuncs/str_tokenize_and_fold", test_str_tokenize_and_fold); diff --unified --recursive --text --new-file --color glib-2.62.6.old/glib/tests/uri.c glib-2.62.6.new/glib/tests/uri.c --- glib-2.62.6.old/glib/tests/uri.c 2021-03-03 08:49:45.529827914 +0800 +++ glib-2.62.6.new/glib/tests/uri.c 2021-03-03 16:34:51.847992046 +0800 @@ -81,7 +81,7 @@ * and would not occur in real life. */ { "/:", NULL, "file:///:"}, - { "/?&=", NULL, "file:///%3F&="}, + { "/?&=", NULL, "file:///%3F&="}, { "/", "0123456789-", NULL, G_CONVERT_ERROR_ILLEGAL_SEQUENCE}, { "/", "ABCDEFGHIJKLMNOPQRSTUVWXYZ", "file://ABCDEFGHIJKLMNOPQRSTUVWXYZ/"}, { "/", "abcdefghijklmnopqrstuvwxyz", "file://abcdefghijklmnopqrstuvwxyz/"}, diff --unified --recursive --text --new-file --color glib-2.62.6.old/gobject/gsignal.c glib-2.62.6.new/gobject/gsignal.c --- glib-2.62.6.old/gobject/gsignal.c 2021-03-03 08:49:45.536494577 +0800 +++ glib-2.62.6.new/gobject/gsignal.c 2021-03-03 16:32:27.979461331 +0800 @@ -28,6 +28,7 @@ #include <signal.h> #include "gsignal.h" +#include "gstrfuncsprivate.h" #include "gtype-private.h" #include "gbsearcharray.h" #include "gvaluecollector.h" @@ -1730,7 +1731,7 @@ node->single_va_closure_is_valid = FALSE; node->flags = signal_flags & G_SIGNAL_FLAGS_MASK; node->n_params = n_params; - node->param_types = g_memdup (param_types, sizeof (GType) * n_params); + node->param_types = g_memdup2 (param_types, sizeof (GType) * n_params); node->return_type = return_type; node->class_closure_bsa = NULL; if (accumulator) diff --unified --recursive --text --new-file --color glib-2.62.6.old/gobject/gtype.c glib-2.62.6.new/gobject/gtype.c --- glib-2.62.6.old/gobject/gtype.c 2021-03-03 08:49:45.539827910 +0800 +++ glib-2.62.6.new/gobject/gtype.c 2021-03-03 16:32:27.979461331 +0800 @@ -33,6 +33,7 @@ #include "glib-private.h" #include "gconstructor.h" +#include "gstrfuncsprivate.h" #ifdef G_OS_WIN32 #include <windows.h> @@ -1470,7 +1471,7 @@ iholder->next = iface_node_get_holders_L (iface); iface_node_set_holders_W (iface, iholder); iholder->instance_type = NODE_TYPE (node); - iholder->info = info ? g_memdup (info, sizeof (*info)) : NULL; + iholder->info = info ? g_memdup2 (info, sizeof (*info)) : NULL; iholder->plugin = plugin; /* create an iface entry for this type */ @@ -1731,7 +1732,7 @@ INVALID_RECURSION ("g_type_plugin_*", iholder->plugin, NODE_NAME (iface)); check_interface_info_I (iface, instance_type, &tmp_info); - iholder->info = g_memdup (&tmp_info, sizeof (tmp_info)); + iholder->info = g_memdup2 (&tmp_info, sizeof (tmp_info)); } return iholder; /* we don't modify write lock upon returning NULL */ @@ -2016,10 +2017,10 @@ IFaceEntry *pentry = type_lookup_iface_entry_L (pnode, iface); if (pentry) - vtable = g_memdup (pentry->vtable, iface->data->iface.vtable_size); + vtable = g_memdup2 (pentry->vtable, iface->data->iface.vtable_size); } if (!vtable) - vtable = g_memdup (iface->data->iface.dflt_vtable, iface->data->iface.vtable_size); + vtable = g_memdup2 (iface->data->iface.dflt_vtable, iface->data->iface.vtable_size); entry->vtable = vtable; vtable->g_type = NODE_TYPE (iface); vtable->g_instance_type = NODE_TYPE (node); diff --unified --recursive --text --new-file --color glib-2.62.6.old/gobject/gtypemodule.c glib-2.62.6.new/gobject/gtypemodule.c --- glib-2.62.6.old/gobject/gtypemodule.c 2021-03-03 08:49:45.546494577 +0800 +++ glib-2.62.6.new/gobject/gtypemodule.c 2021-03-03 16:32:27.979461331 +0800 @@ -19,6 +19,7 @@ #include <stdlib.h> +#include "gstrfuncsprivate.h" #include "gtypeplugin.h" #include "gtypemodule.h" @@ -436,7 +437,7 @@ module_type_info->loaded = TRUE; module_type_info->info = *type_info; if (type_info->value_table) - module_type_info->info.value_table = g_memdup (type_info->value_table, + module_type_info->info.value_table = g_memdup2 (type_info->value_table, sizeof (GTypeValueTable)); return module_type_info->type; diff --unified --recursive --text --new-file --color glib-2.62.6.old/gobject/tests/param.c glib-2.62.6.new/gobject/tests/param.c --- glib-2.62.6.old/gobject/tests/param.c 2021-03-03 08:49:45.549827907 +0800 +++ glib-2.62.6.new/gobject/tests/param.c 2021-03-03 16:32:27.979461331 +0800 @@ -2,6 +2,8 @@ #include <glib-object.h> #include <stdlib.h> +#include "gstrfuncsprivate.h" + static void test_param_value (void) { @@ -851,7 +853,7 @@ test_path = g_strdup_printf ("/param/implement/subprocess/%d-%d-%d-%d", data.change_this_flag, data.change_this_type, data.use_this_flag, data.use_this_type); - test_data = g_memdup (&data, sizeof (TestParamImplementData)); + test_data = g_memdup2 (&data, sizeof (TestParamImplementData)); g_test_add_data_func_full (test_path, test_data, test_param_implement_child, g_free); g_free (test_path); }
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