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123 lines
3.4 KiB
123 lines
3.4 KiB
/*
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* Copyright (C) 2002 - 2005 Tomasz Kojm <tkojm@clamav.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#if HAVE_CONFIG_H
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#include "clamav-config.h"
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#endif
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#include <stdio.h>
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#include <string.h>
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#include <sys/types.h>
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#ifndef C_WINDOWS
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#include <sys/socket.h>
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#endif
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#include <sys/stat.h>
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#ifndef C_WINDOWS
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#include <sys/un.h>
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#endif
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#include <errno.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include "libclamav/clamav.h"
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#include "shared/options.h"
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#include "shared/cfgparser.h"
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#include "others.h"
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#include "server.h"
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#include "output.h"
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#include "localserver.h"
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#ifdef C_WINDOWS
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int localserver(const struct cfgstruct *copt)
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{
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logg("!Localserver is not supported on this platform");
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return -1;
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}
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#else
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int localserver(const struct cfgstruct *copt)
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{
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struct sockaddr_un server;
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int sockfd, backlog;
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struct stat foo;
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char *estr;
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memset((char *) &server, 0, sizeof(server));
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server.sun_family = AF_UNIX;
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strncpy(server.sun_path, cfgopt(copt, "LocalSocket")->strarg, sizeof(server.sun_path));
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server.sun_path[sizeof(server.sun_path)-1]='\0';
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if((sockfd = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
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estr = strerror(errno);
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logg("!LOCAL: Socket allocation error: %s\n", estr);
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return -1;
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}
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if(bind(sockfd, (struct sockaddr *) &server, sizeof(struct sockaddr_un)) == -1) {
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if(errno == EADDRINUSE) {
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if(connect(sockfd, (struct sockaddr *) &server, sizeof(struct sockaddr_un)) >= 0) {
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logg("!LOCAL: Socket file %s is in use by another process.\n", server.sun_path);
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close(sockfd);
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return -1;
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}
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if(cfgopt(copt, "FixStaleSocket")->enabled) {
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logg("#LOCAL: Removing stale socket file %s\n", server.sun_path);
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if(unlink(server.sun_path) == -1) {
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estr = strerror(errno);
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logg("!LOCAL: Socket file %s could not be removed: %s\n", server.sun_path, estr);
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close(sockfd);
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return -1;
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}
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if(bind(sockfd, (struct sockaddr *) &server, sizeof(struct sockaddr_un)) == -1) {
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estr = strerror(errno);
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logg("!LOCAL: Socket file %s could not be bound: %s (unlink tried)\n", server.sun_path, estr);
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close(sockfd);
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return -1;
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}
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} else if(stat(server.sun_path, &foo) != -1) {
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logg("!LOCAL: Socket file %s exists. Either remove it, or configure a different one.\n", server.sun_path);
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close(sockfd);
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return -1;
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}
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} else {
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estr = strerror(errno);
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logg("!LOCAL: Socket file %s could not be bound: %s\n", server.sun_path, estr);
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close(sockfd);
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return -1;
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}
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}
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logg("#LOCAL: Unix socket file %s\n", server.sun_path);
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backlog = cfgopt(copt, "MaxConnectionQueueLength")->numarg;
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logg("#LOCAL: Setting connection queue length to %d\n", backlog);
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if(listen(sockfd, backlog) == -1) {
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estr = strerror(errno);
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logg("!LOCAL: listen() error: %s\n", estr);
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close(sockfd);
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return -1;
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}
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return sockfd;
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}
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#endif /* C_WINDOWS */
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