mirror of
https://github.com/servalproject/serval-dna.git
synced 2024-12-27 16:38:53 +00:00
9cf4d5529a
This consistently handles abstract vs normal sockets with a single switch. overlay mdp tries to have both (abstract & normal) but the code paths seem different, I have consolidated them. Needs more testing.
67 lines
2.2 KiB
C
67 lines
2.2 KiB
C
/*
|
|
Copyright (C) 2012 Daniel O'Connor, Serval Project.
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program 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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifdef HAVE_NETINET_IN_H
|
|
#include <netinet/in.h>
|
|
#endif
|
|
#include <stdio.h>
|
|
#include <strings.h>
|
|
#include <sys/errno.h>
|
|
#ifdef HAVE_SYS_SOCKET_H
|
|
#include <sys/socket.h>
|
|
#endif
|
|
#include <sys/un.h>
|
|
#include <unistd.h>
|
|
|
|
#include "conf.h"
|
|
#include "log.h"
|
|
#include "socket.h"
|
|
|
|
/* Set the socket name in the abstract namespace for linux or
|
|
* $SERVALINSTANCE_PATH/name for everything else.
|
|
*/
|
|
void
|
|
socket_setname(struct sockaddr_un *sockname, const char *name, socklen_t *len) {
|
|
bzero(sockname, sizeof(*sockname));
|
|
sockname->sun_family = AF_UNIX;
|
|
|
|
#ifdef USE_ABSTRACT_NAMESPACE
|
|
sockname->sun_path[0] = 0;
|
|
/* Note: -2 here not -1 because sprintf will put the trailling nul in */
|
|
*len = snprintf(sockname->sun_path + 1, sizeof(sockname->sun_path) - 2, "%s.%s",
|
|
DEFAULT_ABSTRACT_PREFIX, name);
|
|
if (*len > sizeof(sockname->sun_path) - 2)
|
|
FATALF("Socket path too long (%d > %d)", *len, sizeof(sockname->sun_path) - 2);
|
|
|
|
/* Doesn't include trailing nul */
|
|
*len = 1 + strlen(sockname->sun_path + 1) + sizeof(sockname->sun_family);
|
|
#else
|
|
*len = snprintf(sockname->sun_path, sizeof(sockname->sun_path) - 1, "%s/%s",
|
|
serval_instancepath(), name);
|
|
if (*len > sizeof(sockname->sun_path) - 1)
|
|
FATALF("Socket path too long (%d > %d)", *len, sizeof(sockname->sun_path) - 1);
|
|
|
|
#ifdef SUN_LEN
|
|
*len = SUN_LEN(sockname);
|
|
#else
|
|
/* Includes trailing nul */
|
|
*len = 1 + strlen(sockname->sun_path) + sizeof(sockname->sun_family);
|
|
#endif
|
|
#endif
|
|
}
|