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101 lines
3.2 KiB
101 lines
3.2 KiB
/*
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* Copyright (C) 2002 Tomasz Kojm <zolw@konarski.edu.pl>
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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 as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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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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#include <sys/socket.h>
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#include <sys/stat.h>
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#include <sys/un.h>
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#include <clamav.h>
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#include <errno.h>
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#include "options.h"
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#include "cfgfile.h"
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#include "defaults.h"
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#include "others.h"
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#include "server.h"
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int localserver(const struct optstruct *opt, const struct cfgstruct *copt, struct cl_node *root)
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{
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struct sockaddr_un server;
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int sockfd, backlog;
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struct cfgstruct *cpt;
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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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if((sockfd = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
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estr = strerror(errno);
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//fprintf(stderr, "ERROR: socket() error: %s\n", estr);
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logg("!Socket allocation error: %s\n", estr);
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exit(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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close(sockfd);
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logg("!Socket file %s is in use by another process.\n", server.sun_path);
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exit(1);
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}
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if(cfgopt(copt, "FixStaleSocket")) {
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logg("^Socket file %s exists. Unclean shutdown? Removing...\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("!Socket file %s could not be removed: %s\n", server.sun_path, estr);
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exit(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("!Socket file %s could not be bound: %s (unlink tried)\n", server.sun_path, estr);
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exit(1);
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}
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} else if(stat(server.sun_path, &foo) != -1) {
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logg("!Socket file %s exists. Either remove it, or configure a different one.\n", server.sun_path);
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exit(1);
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}
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} else {
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estr = strerror(errno);
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logg("!Socket file %s could not be bound: %s\n", server.sun_path, estr);
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exit(1);
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}
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}
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logg("Unix socket file %s\n", server.sun_path);
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if((cpt = cfgopt(copt, "MaxConnectionQueueLength")))
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backlog = cpt->numarg;
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else
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backlog = CL_DEFAULT_BACKLOG;
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logg("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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//fprintf(stderr, "ERROR: listen() error: %s\n", estr);
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logg("!listen() error: %s\n", estr);
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exit(1);
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}
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acceptloop(sockfd, root, copt);
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return 0;
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}
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