1 /*************************************************************************** 2 * 3 * adt_data.c : Provides Audit functionalities 4 * 5 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 6 * Use is subject to license terms. 7 * 8 * Licensed under the Academic Free License version 2.1 9 * 10 ***************************************************************************/ 11 12 #pragma ident "%Z%%M% %I% %E% SMI" 13 14 #include <stdio.h> 15 #include <errno.h> 16 #include <string.h> 17 #include <stdlib.h> 18 #include <glib.h> 19 #include <dbus/dbus-glib-lowlevel.h> 20 #include <dbus/dbus-glib.h> 21 #include "../hald/logger.h" 22 #include "adt_data.h" 23 24 adt_export_data_t * 25 get_audit_export_data(DBusConnection *bus, const char *invoked_by_syscon_name, size_t *data_size) 26 { 27 DBusMessage *message; 28 DBusMessage *reply; 29 DBusMessageIter iter, subiter; 30 DBusError error; 31 int count, bufsize; 32 uchar_t *buf; 33 uchar_t value; 34 35 message = dbus_message_new_method_call ("org.freedesktop.DBus", 36 "/org/freedesktop/DBus", 37 "org.freedesktop.DBus", 38 "GetAdtAuditSessionData"); 39 if (message == NULL) { 40 printf ("cannot get GetAdtAuditSessionData message\n"); 41 return NULL; 42 } 43 44 if (!dbus_message_append_args(message, DBUS_TYPE_STRING, &invoked_by_syscon_name, 45 DBUS_TYPE_INVALID)) { 46 dbus_message_unref(message); 47 return NULL; 48 } 49 50 dbus_error_init (&error); 51 reply = dbus_connection_send_with_reply_and_block (bus, 52 message, -1, 53 &error); 54 if (dbus_error_is_set (&error)) { 55 printf ("send failed %s\n", error.message); 56 dbus_error_free (&error); 57 dbus_message_unref (message); 58 return NULL; 59 } 60 if (reply == NULL) { 61 dbus_message_unref (message); 62 return NULL; 63 } 64 65 dbus_message_iter_init (reply, &iter); 66 67 if (dbus_message_iter_get_arg_type (&iter) != DBUS_TYPE_ARRAY || 68 dbus_message_iter_get_element_type (&iter) != DBUS_TYPE_BYTE) { 69 printf ("expecting an array of byte entries\n"); 70 dbus_message_unref (message); 71 dbus_message_unref (reply); 72 return NULL; 73 } 74 dbus_message_iter_recurse (&iter, &subiter); 75 76 count = 0; 77 bufsize = 256; 78 buf = (uchar_t *)malloc (bufsize); 79 80 while (dbus_message_iter_get_arg_type (&subiter) == DBUS_TYPE_BYTE) { 81 if (count == bufsize) { 82 bufsize += 256; 83 buf = realloc (buf, bufsize); 84 if (buf == NULL) { 85 dbus_message_unref (message); 86 dbus_message_unref (reply); 87 return NULL; 88 } 89 } 90 91 dbus_message_iter_get_basic (&subiter, &value); 92 buf[count++] = value; 93 dbus_message_iter_next(&subiter); 94 } 95 96 dbus_message_unref (message); 97 dbus_message_unref (reply); 98 99 *data_size = count; 100 if (count == 0) { 101 free (buf); 102 buf = NULL; 103 } 104 105 return (adt_export_data_t *)buf; 106 } 107