188 lines
5.1 KiB
Diff
188 lines
5.1 KiB
Diff
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--- dbus_dict_helpers.c.array-fix 2006-12-18 12:31:11.000000000 -0500
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+++ dbus_dict_helpers.c 2006-12-20 03:17:08.000000000 -0500
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@@ -629,36 +629,55 @@ dbus_bool_t wpa_dbus_dict_open_read(DBus
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}
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+#define BYTE_ARRAY_CHUNK_SIZE 34
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+#define BYTE_ARRAY_ITEM_SIZE (sizeof (char))
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+
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static dbus_bool_t _wpa_dbus_dict_entry_get_byte_array(
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- DBusMessageIter *iter, int array_len, int array_type,
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+ DBusMessageIter *iter, int array_type,
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struct wpa_dbus_dict_entry *entry)
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{
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- dbus_uint32_t i = 0;
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+ dbus_uint32_t count = 0;
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dbus_bool_t success = FALSE;
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- char byte;
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+ char * buffer;
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- /* Zero-length arrays are valid. */
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- if (array_len == 0) {
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- entry->bytearray_value = NULL;
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- entry->array_type = DBUS_TYPE_BYTE;
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- success = TRUE;
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- goto done;
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- }
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+ entry->bytearray_value = NULL;
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+ entry->array_type = DBUS_TYPE_BYTE;
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- entry->bytearray_value = wpa_zalloc(array_len * sizeof(char));
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- if (!entry->bytearray_value) {
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+ buffer = wpa_zalloc(BYTE_ARRAY_ITEM_SIZE * BYTE_ARRAY_CHUNK_SIZE);
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+ if (!buffer) {
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perror("_wpa_dbus_dict_entry_get_byte_array[dbus]: out of "
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"memory");
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goto done;
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}
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- entry->array_type = DBUS_TYPE_BYTE;
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- entry->array_len = array_len;
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+ entry->bytearray_value = buffer;
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+ entry->array_len = 0;
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while (dbus_message_iter_get_arg_type(iter) == DBUS_TYPE_BYTE) {
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+ char byte;
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+
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+ if ((count % BYTE_ARRAY_CHUNK_SIZE) == 0 && count != 0) {
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+ buffer = realloc(buffer, BYTE_ARRAY_ITEM_SIZE * (count + BYTE_ARRAY_CHUNK_SIZE));
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+ if (buffer == NULL) {
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+ perror("_wpa_dbus_dict_entry_get_byte_array["
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+ "dbus] out of memory trying to "
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+ "retrieve the string array");
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+ goto done;
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+ }
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+ }
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+ entry->bytearray_value = buffer;
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+
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dbus_message_iter_get_basic(iter, &byte);
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- entry->bytearray_value[i++] = byte;
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+ entry->bytearray_value[count] = byte;
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+ entry->array_len = ++count;
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dbus_message_iter_next(iter);
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}
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+
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+ /* Zero-length arrays are valid. */
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+ if (entry->array_len == 0) {
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+ free(entry->bytearray_value);
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+ entry->strarray_value = NULL;
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+ }
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+
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success = TRUE;
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done:
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@@ -666,8 +685,11 @@ done:
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}
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+#define STR_ARRAY_CHUNK_SIZE 8
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+#define STR_ARRAY_ITEM_SIZE (sizeof (char *))
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+
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static dbus_bool_t _wpa_dbus_dict_entry_get_string_array(
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- DBusMessageIter *iter, int array_len, int array_type,
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+ DBusMessageIter *iter, int array_type,
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struct wpa_dbus_dict_entry *entry)
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{
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dbus_uint32_t count = 0;
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@@ -677,13 +699,7 @@ static dbus_bool_t _wpa_dbus_dict_entry_
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entry->strarray_value = NULL;
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entry->array_type = DBUS_TYPE_STRING;
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- /* Zero-length arrays are valid. */
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- if (array_len == 0) {
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- success = TRUE;
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- goto done;
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- }
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-
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- buffer = wpa_zalloc(sizeof (char *) * 8);
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+ buffer = wpa_zalloc(STR_ARRAY_ITEM_SIZE * STR_ARRAY_CHUNK_SIZE);
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if (buffer == NULL) {
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perror("_wpa_dbus_dict_entry_get_string_array[dbus] out of "
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"memory trying to retrieve a string array");
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@@ -696,18 +712,14 @@ static dbus_bool_t _wpa_dbus_dict_entry_
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const char *value;
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char *str;
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- if ((count % 8) == 0 && count != 0) {
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- char **tmp;
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- tmp = realloc(buffer, sizeof(char *) * (count + 8));
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- if (tmp == NULL) {
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+ if ((count % STR_ARRAY_CHUNK_SIZE) == 0 && count != 0) {
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+ buffer = realloc(buffer, STR_ARRAY_ITEM_SIZE * (count + STR_ARRAY_CHUNK_SIZE));
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+ if (buffer == NULL) {
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perror("_wpa_dbus_dict_entry_get_string_array["
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"dbus] out of memory trying to "
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"retrieve the string array");
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- free(buffer);
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- buffer = NULL;
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goto done;
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}
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- buffer = tmp;
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}
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entry->strarray_value = buffer;
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@@ -723,6 +735,13 @@ static dbus_bool_t _wpa_dbus_dict_entry_
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entry->array_len = ++count;
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dbus_message_iter_next(iter);
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}
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+
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+ /* Zero-length arrays are valid. */
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+ if (entry->array_len == 0) {
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+ free(entry->strarray_value);
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+ entry->strarray_value = NULL;
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+ }
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+
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success = TRUE;
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done:
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@@ -734,7 +753,6 @@ static dbus_bool_t _wpa_dbus_dict_entry_
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DBusMessageIter *iter_dict_val, struct wpa_dbus_dict_entry *entry)
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{
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int array_type = dbus_message_iter_get_element_type(iter_dict_val);
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- int array_len;
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dbus_bool_t success = FALSE;
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DBusMessageIter iter_array;
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@@ -743,20 +761,14 @@ static dbus_bool_t _wpa_dbus_dict_entry_
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dbus_message_iter_recurse(iter_dict_val, &iter_array);
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- array_len = dbus_message_iter_get_array_len(&iter_array);
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- if (array_len < 0)
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- return FALSE;
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-
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switch (array_type) {
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case DBUS_TYPE_BYTE:
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success = _wpa_dbus_dict_entry_get_byte_array(&iter_array,
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- array_len,
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array_type,
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entry);
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break;
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case DBUS_TYPE_STRING:
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success = _wpa_dbus_dict_entry_get_string_array(&iter_array,
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- array_len,
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array_type,
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entry);
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break;
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@@ -943,9 +955,17 @@ void wpa_dbus_dict_entry_clear(struct wp
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break;
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case DBUS_TYPE_ARRAY:
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switch (entry->array_type) {
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- case DBUS_TYPE_BYTE:
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- free(entry->bytearray_value);
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- break;
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+ case DBUS_TYPE_BYTE: {
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+ free(entry->bytearray_value);
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+ break;
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+ }
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+ case DBUS_TYPE_STRING: {
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+ int i;
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+ for (i = 0; i < entry->array_len; i++)
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+ free (entry->strarray_value[i]);
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+ free (entry->strarray_value);
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+ break;
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+ }
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}
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break;
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}
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