syslog-132.tar.gz

[apple/syslog.git] / syslogd.tproj / bsd_in.c

diff --git a/syslogd.tproj/bsd_in.c b/syslogd.tproj/bsd_in.c
index d1ccd50a1b9e88ff3c3e12f49d8cae9328d1b340..fa10fd46c68de7a5f7bf3a44a284b02e5fda863a 100644 (file)
--- a/syslogd.tproj/bsd_in.c
+++ b/syslogd.tproj/bsd_in.c
@@ -1,23 +1,22 @@
 /*
- * Copyright (c) 2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2004-2010 Apple Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
- * "Portions Copyright (c) 2004 Apple Computer, Inc.  All Rights
- * Reserved.  This file contains Original Code and/or Modifications of
- * Original Code as defined in and that are subject to the Apple Public
- * Source License Version 1.0 (the 'License').  You may not use this file
- * except in compliance with the License.  Please obtain a copy of the
- * License at http://www.apple.com/publicsource and read it before using
- * this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
  * 
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License."
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
  * 
  * @APPLE_LICENSE_HEADER_END@
  */
@@ -35,12 +34,13 @@
 #include <errno.h>
 #include "daemon.h"
 
+#define BSD_SOCKET_NAME "BSDSystemLogger"
 #define MY_ID "bsd_in"
-#define MAXLINE 1024
+#define MAXLINE 4096
 
 static int sock = -1;
 
-asl_msg_t *
+aslmsg
 bsd_in_acceptmsg(int fd)
 {
        uint32_t len;
@@ -54,45 +54,64 @@ bsd_in_acceptmsg(int fd)
        if (n <= 0) return NULL;
 
        line[n] = '\0';
-       return asl_syslog_input_convert(line, n, NULL, 0);
+
+       return asl_input_parse(line, n, NULL, SOURCE_BSD_SOCKET);
 }
 
 int
 bsd_in_init(void)
 {
-       struct sockaddr_un sun;
        int rbufsize;
        int len;
+       launch_data_t sockets_dict, fd_array, fd_dict;
 
        asldebug("%s: init\n", MY_ID);
        if (sock >= 0) return sock;
 
-       unlink(_PATH_SYSLOG_IN);
-       sock = socket(AF_UNIX, SOCK_DGRAM, 0);
-       if (sock < 0)
+       if (global.launch_dict == NULL)
+       {
+               asldebug("%s: launchd dict is NULL\n", MY_ID);
+               return -1;
+       }
+
+       sockets_dict = launch_data_dict_lookup(global.launch_dict, LAUNCH_JOBKEY_SOCKETS);
+       if (sockets_dict == NULL)
        {
-               asldebug("%s: couldn't create socket for %s: %s\n", MY_ID, _PATH_SYSLOG_IN, strerror(errno));
+               asldebug("%s: launchd lookup of LAUNCH_JOBKEY_SOCKETS failed\n", MY_ID);
                return -1;
        }
 
-       asldebug("%s: creating %s for fd %d\n", MY_ID, _PATH_SYSLOG_IN, sock);
+       fd_array = launch_data_dict_lookup(sockets_dict, BSD_SOCKET_NAME);
+       if (fd_array == NULL)
+       {
+               asldebug("%s: launchd lookup of BSD_SOCKET_NAME failed\n", MY_ID);
+               return -1;
+       }
 
-       memset(&sun, 0, sizeof(sun));
-       sun.sun_family = AF_UNIX;
-       strcpy(sun.sun_path, _PATH_SYSLOG_IN);
+       len = launch_data_array_get_count(fd_array);
+       if (len <= 0)
+       {
+               asldebug("%s: launchd fd array is empty\n", MY_ID);
+               return -1;
+       }
 
-       len = sizeof(struct sockaddr_un);
-       if (bind(sock, (struct sockaddr *)&sun, len) < 0)
+       if (len > 1)
        {
-               asldebug("%s: couldn't bind socket %d for %s: %s\n", MY_ID, sock, _PATH_SYSLOG_IN, strerror(errno));
-               close(sock);
-               sock = -1;
+               asldebug("%s: warning! launchd fd array has %d sockets\n", MY_ID, len);
+       }
+
+       fd_dict = launch_data_array_get_index(fd_array, 0);
+       if (fd_dict == NULL)
+       {
+               asldebug("%s: launchd file discriptor array element 0 is NULL\n", MY_ID);
                return -1;
        }
 
+       sock = launch_data_get_fd(fd_dict);
+
        rbufsize = 128 * 1024;
        len = sizeof(rbufsize);
-       
+
        if (setsockopt(sock, SOL_SOCKET, SO_RCVBUF, &rbufsize, len) < 0)
        {
                asldebug("%s: couldn't set receive buffer size for socket %d (%s): %s\n", MY_ID, sock, _PATH_SYSLOG_IN, strerror(errno));
@@ -109,23 +128,23 @@ bsd_in_init(void)
                return -1;
        }
 
-       chmod(_PATH_SYSLOG_IN, 0666);
-
-       return aslevent_addfd(sock, bsd_in_acceptmsg, NULL, NULL);
+       return aslevent_addfd(SOURCE_BSD_SOCKET, sock, ADDFD_FLAGS_LOCAL, bsd_in_acceptmsg, NULL, NULL);
 }
 
 int
-bsd_in_reset(void)
+bsd_in_close(void)
 {
+       if (sock < 0) return 1;
+
+       aslevent_removefd(sock);
+       close(sock);
+       sock = -1;
+
        return 0;
 }
 
 int
-bsd_in_close(void)
+bsd_in_reset(void)
 {
-       if (sock < 0) return 1;
-
-       close(sock);
-       unlink(_PATH_SYSLOG_IN);
        return 0;
 }